84b2a79570
Make the contents of encoded sections SmallVector<char, N> instead of
...
SmallString. This makes it possible to use the length-erased SmallVectorImpl
in the interface without imposing buffer size. Thus, the size of MCInstFragment
is back down since a preallocated 8-byte contents buffer is enough.
It would be generally a good idea to rid all the fragments of SmallString as
contents, because a vector just makes more sense.
llvm-svn: 169644
2012-12-07 22:06:56 +00:00
a31a894eed
Refactor MCInstFragment and MCDataFragment to adhere to a common interface,
...
which removes code duplication and prepares the ground for future additions.
Full discussion:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121203/158233.html
llvm-svn: 169626
2012-12-07 19:13:57 +00:00
2ccd044c22
Add separate statistics for Data and Inst fragments emitted during relaxation.
...
Also fixes a test that was overly-sensitive to the exact order of statistics
emitted.
llvm-svn: 169619
2012-12-07 17:59:21 +00:00
131186c11a
Some common functionality from WinCOFFStreamer::EmitAssignment can be now
...
delegated to MCObjectStreamer.
llvm-svn: 169617
2012-12-07 17:55:28 +00:00
ea2824dc88
Lift EmitAssignment into MCObjectStreamer which gets rid of at least three
...
duplicate implementations in format-specific streamers.
llvm-svn: 169613
2012-12-07 17:42:41 +00:00
5cc3dc86bb
Added Mapping Symbols for ARM ELF
...
Before this patch, when you objdump an LLVM-compiled file, objdump tried to
decode data-in-code sections as if they were code. This patch adds the missing
Mapping Symbols, as defined by "ELF for the ARM Architecture" (ARM IHI 0044D).
Patch based on work by Greg Fitzgerald.
llvm-svn: 169609
2012-12-07 16:50:23 +00:00
59ff070376
Split MCELFStreamer into a header file.
...
llvm-svn: 169603
2012-12-07 15:50:40 +00:00
e84b13f039
fixed valgrind issues of prior commit, this change applies r169456 changes back to the tree with fixes. on darwin no valgrind issues exist in the tests that used to fail.
...
original change description:
change MCContext to work on the doInitialization/doFinalization model
reviewed by Evan Cheng <evan.cheng@apple.com>
llvm-svn: 169553
2012-12-06 22:12:44 +00:00
d985d76040
Revert r169456, "change MCContext to work on the doInitialization/doFinalization model"
...
It broke many builders.
llvm-svn: 169462
2012-12-06 02:00:13 +00:00
bf7d3bab26
change MCContext to work on the doInitialization/doFinalization model
...
reviewed by Evan Cheng <evan.cheng@apple.com>
llvm-svn: 169456
2012-12-06 00:50:55 +00:00
02631c4e31
Change std::vector to SmallVector<4> and remove some unused methods.
...
This is more consistent with other vectors in this code. In addition, I ran some
tests compiling a large program and >96% of fragments have 4 or less fixups, so
SmallVector<4> is a good optimization.
llvm-svn: 169433
2012-12-05 22:11:02 +00:00
507aca835e
Try to unbreak the build on hosts that don't transitively pull in a definition for int64_t.
...
Also use the portable (ugly) format string macros, for MSVC compatibility.
llvm-svn: 169396
2012-12-05 18:31:11 +00:00
168ffb36a5
Added a option to the disassembler to print immediates as hex.
...
This is for the lldb team so most of but not all of the values are
to be printed as hex with this option. Some small values like the
scale in an X86 address were requested to printed in decimal
without the leading 0x.
There may be some tweaks need to places that may still be in
decimal that they want in hex. Specially for arm. I made my best
guess. Any tweaks from here should be simple.
I also did the best I know now with help from the C++ gurus
creating the cleanest formatImm() utility function and containing
the changes. But if someone has a better idea to make something
cleaner I'm all ears and game for changing the implementation.
rdar://8109283
llvm-svn: 169393
2012-12-05 18:13:19 +00:00
ca4a0c9dbd
This patch introduces initial-exec model support for thread-local storage
...
on 64-bit PowerPC ELF.
The patch includes code to handle external assembly and MC output with the
integrated assembler. It intentionally does not support the "old" JIT.
For the initial-exec TLS model, the ABI requires the following to calculate
the address of external thread-local variable x:
Code sequence Relocation Symbol
ld 9,x@got@tprel(2) R_PPC64_GOT_TPREL16_DS x
add 9,9,x@tls R_PPC64_TLS x
The register 9 is arbitrary here. The linker will replace x@got@tprel
with the offset relative to the thread pointer to the generated GOT
entry for symbol x. It will replace x@tls with the thread-pointer
register (13).
The two test cases verify correct assembly output and relocation output
as just described.
PowerPC-specific selection node variants are added for the two
instructions above: LD_GOT_TPREL and ADD_TLS. These are inserted
when an initial-exec global variable is encountered by
PPCTargetLowering::LowerGlobalTLSAddress(), and later lowered to
machine instructions LDgotTPREL and ADD8TLS. LDgotTPREL is a pseudo
that uses the same LDrs support added for medium code model's LDtocL,
with a different relocation type.
The rest of the processing is straightforward.
llvm-svn: 169281
2012-12-04 16:18:08 +00:00
802d755533
Sort includes for all of the .h files under the 'lib' tree. These were
...
missed in the first pass because the script didn't yet handle include
guards.
Note that the script is now able to handle all of these headers without
manual edits. =]
llvm-svn: 169224
2012-12-04 07:12:27 +00:00
ed0881b2a6
Use the new script to sort the includes of every file under lib.
...
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.
Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]
llvm-svn: 169131
2012-12-03 16:50:05 +00:00
40f1d85807
MC/AsmParser: Avoid unnecessary use of SourceMgr::FindBufferForLoc()
...
- Each macro instantiation introduces a new buffer, and FindBufferForLoc() is
linear, so previously macro instantiation could be N^2 for some pathological
inputs.
llvm-svn: 169073
2012-12-01 01:38:48 +00:00
3c23009117
Add the rest of the experimental fission sections to MC.
...
llvm-svn: 168986
2012-11-30 06:47:06 +00:00
c3b434b76c
Add brief support for the fission .debug_info.dwo section for
...
ELF output.
llvm-svn: 168764
2012-11-28 02:49:38 +00:00
27ed8ec126
Add comments.
...
llvm-svn: 168763
2012-11-28 02:49:34 +00:00
34627e3434
This patch implements medium code model support for 64-bit PowerPC.
...
The default for 64-bit PowerPC is small code model, in which TOC entries
must be addressable using a 16-bit offset from the TOC pointer. Additionally,
only TOC entries are addressed via the TOC pointer.
With medium code model, TOC entries and data sections can all be addressed
via the TOC pointer using a 32-bit offset. Cooperation with the linker
allows 16-bit offsets to be used when these are sufficient, reducing the
number of extra instructions that need to be executed. Medium code model
also does not generate explicit TOC entries in ".section toc" for variables
that are wholly internal to the compilation unit.
Consider a load of an external 4-byte integer. With small code model, the
compiler generates:
ld 3, .LC1@toc(2)
lwz 4, 0(3)
.section .toc,"aw",@progbits
.LC1:
.tc ei[TC],ei
With medium model, it instead generates:
addis 3, 2, .LC1@toc@ha
ld 3, .LC1@toc@l(3)
lwz 4, 0(3)
.section .toc,"aw",@progbits
.LC1:
.tc ei[TC],ei
Here .LC1@toc@ha is a relocation requesting the upper 16 bits of the
32-bit offset of ei's TOC entry from the TOC base pointer. Similarly,
.LC1@toc@l is a relocation requesting the lower 16 bits. Note that if
the linker determines that ei's TOC entry is within a 16-bit offset of
the TOC base pointer, it will replace the "addis" with a "nop", and
replace the "ld" with the identical "ld" instruction from the small
code model example.
Consider next a load of a function-scope static integer. For small code
model, the compiler generates:
ld 3, .LC1@toc(2)
lwz 4, 0(3)
.section .toc,"aw",@progbits
.LC1:
.tc test_fn_static.si[TC],test_fn_static.si
.type test_fn_static.si,@object
.local test_fn_static.si
.comm test_fn_static.si,4,4
For medium code model, the compiler generates:
addis 3, 2, test_fn_static.si@toc@ha
addi 3, 3, test_fn_static.si@toc@l
lwz 4, 0(3)
.type test_fn_static.si,@object
.local test_fn_static.si
.comm test_fn_static.si,4,4
Again, the linker may replace the "addis" with a "nop", calculating only
a 16-bit offset when this is sufficient.
Note that it would be more efficient for the compiler to generate:
addis 3, 2, test_fn_static.si@toc@ha
lwz 4, test_fn_static.si@toc@l(3)
The current patch does not perform this optimization yet. This will be
addressed as a peephole optimization in a later patch.
For the moment, the default code model for 64-bit PowerPC will remain the
small code model. We plan to eventually change the default to medium code
model, which matches current upstream GCC behavior. Note that the different
code models are ABI-compatible, so code compiled with different models will
be linked and execute correctly.
I've tested the regression suite and the application/benchmark test suite in
two ways: Once with the patch as submitted here, and once with additional
logic to force medium code model as the default. The tests all compile
cleanly, with one exception. The mandel-2 application test fails due to an
unrelated ABI compatibility with passing complex numbers. It just so happens
that small code model was incredibly lucky, in that temporary values in
floating-point registers held the expected values needed by the external
library routine that was called incorrectly. My current thought is to correct
the ABI problems with _Complex before making medium code model the default,
to avoid introducing this "regression."
Here are a few comments on how the patch works, since the selection code
can be difficult to follow:
The existing logic for small code model defines three pseudo-instructions:
LDtoc for most uses, LDtocJTI for jump table addresses, and LDtocCPT for
constant pool addresses. These are expanded by SelectCodeCommon(). The
pseudo-instruction approach doesn't work for medium code model, because
we need to generate two instructions when we match the same pattern.
Instead, new logic in PPCDAGToDAGISel::Select() intercepts the TOC_ENTRY
node for medium code model, and generates an ADDIStocHA followed by either
a LDtocL or an ADDItocL. These new node types correspond naturally to
the sequences described above.
The addis/ld sequence is generated for the following cases:
* Jump table addresses
* Function addresses
* External global variables
* Tentative definitions of global variables (common linkage)
The addis/addi sequence is generated for the following cases:
* Constant pool entries
* File-scope static global variables
* Function-scope static variables
Expanding to the two-instruction sequences at select time exposes the
instructions to subsequent optimization, particularly scheduling.
The rest of the processing occurs at assembly time, in
PPCAsmPrinter::EmitInstruction. Each of the instructions is converted to
a "real" PowerPC instruction. When a TOC entry needs to be created, this
is done here in the same manner as for the existing LDtoc, LDtocJTI, and
LDtocCPT pseudo-instructions (I factored out a new routine to handle this).
I had originally thought that if a TOC entry was needed for LDtocL or
ADDItocL, it would already have been generated for the previous ADDIStocHA.
However, at higher optimization levels, the ADDIStocHA may appear in a
different block, which may be assembled textually following the block
containing the LDtocL or ADDItocL. So it is necessary to include the
possibility of creating a new TOC entry for those two instructions.
Note that for LDtocL, we generate a new form of LD called LDrs. This
allows specifying the @toc@l relocation for the offset field of the LD
instruction (i.e., the offset is replaced by a SymbolLo relocation).
When the peephole optimization described above is added, we will need
to do similar things for all immediate-form load and store operations.
The seven "mcm-n.ll" test cases are kept separate because otherwise the
intermingling of various TOC entries and so forth makes the tests fragile
and hard to understand.
The above assumes use of an external assembler. For use of the
integrated assembler, new relocations are added and used by
PPCELFObjectWriter. Testing is done with "mcm-obj.ll", which tests for
proper generation of the various relocations for the same sequences
tested with the external assembler.
llvm-svn: 168708
2012-11-27 17:35:46 +00:00
cdb9a538d6
Add support for .cfi_register now that it is easy to extent the representation
...
to support it. Original patch with the parsing and plumbing by the PaX team and
Roman Divacky. I added the bits in MCDwarf.cpp and the test.
llvm-svn: 168565
2012-11-25 15:14:49 +00:00
9bcb9226f6
libLTO: Add a utility method to initialize the disassemblers.
...
Necessary to give disassembler users (like darwin's otool) a possibility to
dlopen libLTO and still initialize the required LLVM bits. This used to go
through libMCDisassembler but that's a gross layering violation, the MC layer
can't pull in functions from the targets. Adding a function to libLTO is a bit
of a hack but not worse than exposing other disassembler bits from libLTO.
Fixes PR14362.
llvm-svn: 168545
2012-11-24 16:59:10 +00:00
cc0c74a76c
Change the representation of MCCFIInstruction.
...
We now store the Register and Offset directly. MachineLocation is gone (from
this file)!
llvm-svn: 168536
2012-11-24 04:33:48 +00:00
5dce65b21e
Give each MCCFIInstruction its own opcode.
...
This untangles the switch cases of the old Move and RelMove opcodes a bit
and makes it clear how to add new instructions.
llvm-svn: 168534
2012-11-24 03:10:54 +00:00
7a6e441262
Move a bit of duplicated code into a helper function.
...
llvm-svn: 168533
2012-11-24 02:18:49 +00:00
1c3086cc91
Refactor how MCCFIInstructions are created.
...
Give MCCFIInstruction a single, private constructor and add helper static
methods that create each type of cfi instruction. This is is preparation
for changing its representation. The representation with a pair
MachineLocations older than MC and has been abused quiet a bit to support
more cfi instructions.
llvm-svn: 168532
2012-11-24 02:01:08 +00:00
9bb247813a
Implement .cfi_undefined. Based on a patch from PaX team, updated by
...
Roman Divacky. I just added the testcase.
llvm-svn: 168520
2012-11-23 16:59:41 +00:00
64b52d8434
Add relocations used for mips big GOT.
...
llvm-svn: 168448
2012-11-21 19:50:22 +00:00
00fd5257a2
Emit relocations from .debug_aranges to .debug_info for asm files
...
llvm-svn: 167926
2012-11-14 09:55:38 +00:00
a305ea5511
Add ARM TARGET2 relocation. The testcase will follow with actualy use-case.
...
Based on the patch by Logan Chien!
llvm-svn: 167633
2012-11-09 20:20:12 +00:00
27121c1543
Fix for PR14264 cause by commit r167237 which did not take into account a
...
possible buffer change with a .macro directive.
rdar://12637628
llvm-svn: 167408
2012-11-05 21:55:41 +00:00
4eaf8ef5cb
Add support for generating dwarf debugging info with assembly files
...
run through the 'C' preprocessor. That is pick up the file name
and line numbers from the cpp hash file line comments for the
dwarf file and line numbers tables.
rdar://9275556
llvm-svn: 167237
2012-11-01 17:31:35 +00:00
11c42f2d2c
[ms-inline asm] Add support for the TYPE operator.
...
Part of rdar://12576868
llvm-svn: 166790
2012-10-26 18:04:20 +00:00
e2f03771c4
[ms-inline asm] Have the target AsmParser create the asmrewrite for the offsetof
...
operator.
llvm-svn: 166779
2012-10-26 16:09:20 +00:00
f0e8720054
[ms-inline asm] Add support for creating AsmRewrites in the target specific
...
AsmParser logic. To be used/tested in a subsequent commit.
llvm-svn: 166714
2012-10-25 20:41:34 +00:00
f2aceda854
Initial TOC support for PowerPC64 object creation
...
This patch adds initial PPC64 TOC MC object creation using the small mcmodel
(a single 64K TOC) adding the some TOC relocations (R_PPC64_TOC,
R_PPC64_TOC16, and R_PPC64_TOC16DS).
The addition of 'undefinedExplicitRelSym' hook on 'MCELFObjectTargetWriter'
is meant to avoid the creation of an unreferenced ".TOC." symbol (used in
the .odp creation) as well to set the R_PPC64_TOC relocation target as the
temporary ".TOC." symbol. On PPC64 ABI, the R_PPC64_TOC relocation should
not point to any symbol.
llvm-svn: 166677
2012-10-25 12:27:42 +00:00
91c8266200
[ms-inline asm] Create a register operand, rather than a memory operand when we
...
see the offsetof operator. Previously, we were matching something like MOVrm
in the front-end and later matching MOVrr in the back-end. This change makes
things more consistent. It also fixes cases where we can't match against a
memory operand as the source (test cases coming).
Part of rdar://12470317
llvm-svn: 166592
2012-10-24 17:22:29 +00:00
dccdac6a06
Make branch heavy code for generating marked up disassembly simpler
...
and easier to read by adding a couple helper functions. Suggestion by
Chandler Carruth and seconded by Meador Inge!
llvm-svn: 166515
2012-10-23 22:52:52 +00:00
37e755cee2
[ms-inline asm] Add an implementation of the offset operator. This is a follow
...
on patch to r166433.
rdar://12470317
llvm-svn: 166488
2012-10-23 17:43:43 +00:00
0f4871d487
[ms-inline-asm] Implement _emit directive (which is roughly equivalent to .byte).
...
<rdar://problem/12470345>.
llvm-svn: 166451
2012-10-22 23:58:19 +00:00
62183c4e18
Add support for annotated disassembly output for X86 and arm.
...
Per the October 12, 2012 Proposal for annotated disassembly output sent out by
Jim Grosbach this set of changes implements this for X86 and arm. The llvm-mc
tool now has a -mdis option to produced the marked up disassembly and a couple
of small example test cases have been added.
rdar://11764962
llvm-svn: 166445
2012-10-22 22:31:46 +00:00
15e9b33678
[ms-inline asm] Don't rewrite out parts of an inline-asm skipped by .if 0 and friends.
...
It's unnecessary and makes the generated assembly less faithful to the original source.
llvm-svn: 166440
2012-10-22 20:50:25 +00:00
a74129adad
Symbol hygiene: Make sure declarations and definitions match, make helper functions static.
...
llvm-svn: 166376
2012-10-20 12:53:26 +00:00
3017a06c8f
[ms-inline asm] Rename AsmOpRewrite to just AsmRewrite to be more generic. No functional change intended.
...
llvm-svn: 166360
2012-10-20 01:02:45 +00:00
eda70b3451
[ms-inline asm] If the state of the parser is ignore, then don't parse the
...
inline assembly. Also make sure the remove the ignored statements from the IR.
llvm-svn: 166357
2012-10-20 00:47:08 +00:00
ce09f6b9ef
[ms-inline asm] Continue parsing even when we're in an ignore block.
...
llvm-svn: 166352
2012-10-19 23:15:00 +00:00
f1f6a72901
[ms-inline asm] Reset the opcode prior to parsing a statement.
...
llvm-svn: 166349
2012-10-19 22:57:33 +00:00
0f48c55e70
[ms-inline asm] Have the TargetParser callback to Sema to determine the size of
...
a memory operand. Retain this information and then add the sizing directives
to the IR. This allows the backend to do proper instruction selection.
llvm-svn: 166316
2012-10-19 20:57:14 +00:00
75f0b2f2bd
[ms-inline asm] Add the isParsingInlineAsm() function to the MCAsmTargetParser.
...
llvm-svn: 166292
2012-10-19 17:57:49 +00:00
ac612277cb
Pacify -Wnon-virtual-dtor.
...
llvm-svn: 166270
2012-10-19 07:00:09 +00:00
d48d078487
[ms-inline asm] Add a size argument to the LookupInlineAsmIdentifier() callback,
...
which will be used by the asm matcher in the near future.
llvm-svn: 166222
2012-10-18 20:27:15 +00:00
f641baa030
[ms-inline asm] Have the LookupInlineAsmIdentifier() callback function return a
...
*NamedDecl. In turn, build the expressions after we're finished parsing the
asm. This avoids a crasher if the lookup fails.
llvm-svn: 166212
2012-10-18 19:39:30 +00:00
8bce664144
[ms-inline asm] Move most of the AsmParsing logic in clang back into the MC
...
layer. Add the ParseMSInlineAsm() function, which is the new interface to
clang. Also expose the new MCAsmParserSemaCallback interface, which is used
by the back-end to do name lookup in Sema. Finally, remove the now defunct
APIs introduced in r165946.
llvm-svn: 166183
2012-10-18 15:49:34 +00:00
e4ad2a0b96
[ms-inline asm] Add the helper function, isParseringInlineAsm(). To be used in a future commit.
...
llvm-svn: 166054
2012-10-16 20:16:20 +00:00
d6f3168a08
Check .rela instead of ELF64 for the compensation vaue resetting
...
llvm-svn: 166051
2012-10-16 19:49:51 +00:00
f3bc599680
[ms-inline asm] If we parsed a statement and the opcode is valid, then it's an instruction.
...
llvm-svn: 165955
2012-10-15 19:08:18 +00:00
0d6f149e62
[ms-inline asm] Add a few new APIs to the AsmParser class in support of MS-Style
...
inline assembly. For the time being, these will be called directly by clang.
However, in the near future I expect these to be sunk back into the MC layer
and more basic APIs (e.g., getClobbers(), getConstraints(), etc.) will be called
by clang.
llvm-svn: 165946
2012-10-15 17:19:13 +00:00
ef206f19a4
PowerPC: add EmitTCEntry class for TOC creation
...
This patch replaces the EmitRawText by a EmitTCEntry class (specialized for
each Streamer) in PowerPC64 TOC entry creation.
llvm-svn: 165940
2012-10-15 15:43:14 +00:00
4996355592
[ms-inline asm] Remove the MatchInstruction() function. Previously, this was
...
the interface between the front-end and the MC layer when parsing inline
assembly. Unfortunately, this is too deep into the parsing stack. Specifically,
we're unable to handle target-independent assembly (i.e., assembly directives,
labels, etc.). Note the MatchAndEmitInstruction() isn't the correct
abstraction either. I'll be exposing target-independent hooks shortly, so this
is really just a cleanup.
llvm-svn: 165858
2012-10-13 00:26:04 +00:00
126d0b8c4d
Whitespace.
...
llvm-svn: 165540
2012-10-09 20:15:02 +00:00
a0ad67dad8
Add names for the accelerator table sections so that they can
...
be emitted if they're wanted on elf platforms.
llvm-svn: 165432
2012-10-08 21:41:30 +00:00
64ddcb0da6
Hoist some grossly duplicated code from the COFF/ELF/MachO streamers into MCObjectStreamer.
...
llvm-svn: 165225
2012-10-04 13:12:43 +00:00
54b69d4c0d
Remove template from function that is only used with one type after r165092.
...
llvm-svn: 165203
2012-10-04 05:18:31 +00:00
0e6c5b68b6
Fix doxygen comment to match function name.
...
llvm-svn: 165094
2012-10-03 06:47:18 +00:00
85e7a40232
Remove unused function that used to get itineraries from SubTargetFeatures. This is done from MCSubTargetInfo these days.
...
llvm-svn: 165092
2012-10-03 06:26:11 +00:00
feb805fcf2
Support for generating ELF objects on Windows.
...
This adds 'elf' as a recognized target triple environment value and overrides the default generated object format on Windows platforms if that value is present. This patch also enables MCJIT tests on Windows using the new environment value.
llvm-svn: 165030
2012-10-02 18:38:34 +00:00
745c52dd4e
MachO: direct-to-object attribute for data-in-code markers.
...
The target backend can support data-in-code load commands even when
the assembler doesn't, or vice-versa. Allow targets to opt-in for
direct-to-object.
PR13973.
llvm-svn: 164974
2012-10-01 22:20:54 +00:00
4c8af550ad
Provide a shortcut for MCObjectStreamer when emitting fills.
...
Reduces runtime of i386-large-relocations.s by 10x in Release builds, even more
in Debug+Asserts builds.
llvm-svn: 164945
2012-10-01 15:14:14 +00:00
91ce36c986
Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767
...
llvm-svn: 164768
2012-09-27 10:14:43 +00:00
721cffd53a
Fix a typo 'iff' => 'if'
...
llvm-svn: 164767
2012-09-27 09:59:43 +00:00
2a6a08b1cd
Rename virtual table anchors from Anchor() to anchor() for consistency with the rest of the tree.
...
llvm-svn: 164666
2012-09-26 06:36:36 +00:00
37d73002d4
Emit dtors into proper section while compiling in vcpp-compatible mode.
...
Patch by Kai!
llvm-svn: 164476
2012-09-23 15:53:47 +00:00
055006475e
Add support for macro parameters/arguments delimited by spaces,
...
to improve compatibility with GNU as.
Based on a patch by PaX Team.
Fixed assertion failures on non-Darwin and added additional test cases.
llvm-svn: 164248
2012-09-19 20:36:12 +00:00
242ed3158a
Support default parameters/arguments for assembler macros.
...
This patch is based on the one by PaX Team.
Patch by Andy Zhang!
llvm-svn: 164246
2012-09-19 20:29:04 +00:00
eb3ebf16ab
Enhance unmatched '.endr' directive error message in assembler.
...
The directive can be matched with directives other than '.rept'
Patch by Andy Zhang!
llvm-svn: 164245
2012-09-19 20:23:43 +00:00
0aac6ce759
Tidy up. Minor formatting.
...
llvm-svn: 164182
2012-09-18 23:05:18 +00:00
b12b71ae6e
Tidy up. 80 columns.
...
llvm-svn: 164181
2012-09-18 23:05:12 +00:00
0be33598ce
Avoid symbol name clash when filling TOC.
...
Patch by Adhemerval Zanella.
llvm-svn: 164141
2012-09-18 17:10:37 +00:00
ba7b921fcb
Replaced ReInitMCSubtargetInfo with InitMCProcessor.
...
Now where we used to call ReInitMCSubtargetInfo, we actually recompute
the same information as InitMCSubtargetInfo instead of only setting
the feature bits.
llvm-svn: 164105
2012-09-18 05:33:15 +00:00
6e6d597b1c
TargetSchedModel API. Implement latency lookup, disabled.
...
llvm-svn: 164098
2012-09-18 04:03:34 +00:00
ab722bdd50
TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine model.
...
llvm-svn: 164092
2012-09-18 03:18:56 +00:00
8e7f202e32
Revert r164061-r164067. Most of the new subtarget emitter.
...
I have to work out the Target/CodeGen header dependencies
before putting this back.
llvm-svn: 164072
2012-09-17 23:00:42 +00:00
692b87c18f
InitMCProcessor
...
llvm-svn: 164066
2012-09-17 22:19:12 +00:00
f403ee7937
TargetSchedModel API. Implement latency lookup, disabled.
...
llvm-svn: 164065
2012-09-17 22:19:08 +00:00
0923f8183b
TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine model.
...
llvm-svn: 164061
2012-09-17 22:18:55 +00:00
2e6644c260
Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.
...
llvm-svn: 163970
2012-09-15 16:23:52 +00:00
d2a19da1b8
TargetSchedModel interface. To be implemented...
...
llvm-svn: 163934
2012-09-14 20:26:46 +00:00
ac36af470c
Define MC data tables for the new scheduling machine model.
...
llvm-svn: 163933
2012-09-14 20:26:41 +00:00
5485acd440
Fix Doxygen issues:
...
* wrap code blocks in \code ... \endcode;
* refer to parameter names in paragraphs correctly (\arg is not what most
people want -- it starts a new paragraph);
* use \param instead of \arg to document parameters in order to be consistent
with the rest of the codebase.
llvm-svn: 163902
2012-09-14 14:57:36 +00:00
b7b750d480
Assembler: Darwin variables defined via .set are no-dead-strip.
...
For gas compatibility.
rdar://12219394
llvm-svn: 163854
2012-09-13 23:11:31 +00:00
d96ef194d9
MachO: Correctly mark symbol-difference variables as N_ABS.
...
.set a, b - c + CONSTANT
d = b - c + CONSTANT
Both 'a' and 'd' should be marked as absolute symbols (N_ABS).
rdar://12219394
llvm-svn: 163853
2012-09-13 23:11:25 +00:00
49d684e1e2
Release build: guard dump functions with
...
"#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)"
No functional change. Update r163344.
llvm-svn: 163679
2012-09-12 05:06:18 +00:00
21e2f1c6e5
Add MCRI::getNumSubRegIndices() and start checking SubRegIndex ranges.
...
Apparently, NumSubRegIndices was completely unused before. Adjust it by
one to include the null subreg index, just like getNumRegs() includes
the null register.
llvm-svn: 163628
2012-09-11 16:34:02 +00:00
ca1e27be0d
Remove redundant semicolons which are null statements.
...
llvm-svn: 163547
2012-09-10 21:26:47 +00:00
68b9f0583f
Fix alignment of .comm and .lcomm on mingw32.
...
For some reason .lcomm uses byte alignment and .comm log2 alignment so we can't
use the same setting for both. Fix this by reintroducing the LCOMM enum.
I verified this against mingw's gcc.
llvm-svn: 163420
2012-09-07 21:08:01 +00:00
ad100ec90e
Contrary to what the documentation says, .lcomm alignment on COFF is in bytes, not power of 2.
...
llvm-svn: 163405
2012-09-07 18:56:10 +00:00
47f9ec92cb
MC: Overhaul handling of .lcomm
...
- Darwin lied about not supporting .lcomm and turned it into zerofill in the
asm parser. Push the zerofill-conversion down into macho-specific code.
- This makes the tri-state LCOMMType enum superfluous, there are no targets
without .lcomm.
- Do proper error reporting when trying to use .lcomm with alignment on a target
that doesn't support it.
- .comm and .lcomm alignment was parsed in bytes on COFF, should be power of 2.
- Fixes PR13755 (.lcomm crashes on ELF).
llvm-svn: 163395
2012-09-07 17:25:13 +00:00
c3366ccecb
Release build: guard dump functions with "ifndef NDEBUG"
...
No functional change.
llvm-svn: 163344
2012-09-06 19:55:56 +00:00
77198de4d6
Constify subtarget info properly so that we dont cast away the const in
...
the SubtargetInfoKV tables. Found by gcc48 -Wcast-qual.
llvm-svn: 163251
2012-09-05 21:43:57 +00:00
9d0f923e7c
Allow targets to specify a minimum supported NOP size when performing NOP padding. If the desired padding is smaller than the supported NOP size,
...
we will enlarge the padding to make it work.
llvm-svn: 162870
2012-08-29 22:18:56 +00:00
5f96ca51b6
Add virtual keywords for methods that override the base class.
...
llvm-svn: 162826
2012-08-29 05:48:09 +00:00
073ee7d0a8
Fix comment.
...
llvm-svn: 162678
2012-08-27 16:04:24 +00:00
ace4707ea6
Lower constant pools and jump tables via TOC on PPC64/SVR4.
...
In collaboration with Adhemerval Zanella.
llvm-svn: 162562
2012-08-24 16:26:02 +00:00
65340a69e1
Fix a bunch of -Wdocumentation warnings.
...
llvm-svn: 162446
2012-08-23 16:54:08 +00:00
f29db275b2
Reduce duplicated hash map lookups.
...
llvm-svn: 162362
2012-08-22 15:37:57 +00:00
77064c0590
For mips64 switch statements in subroutines could generate
...
within the codegen EK_GPRel64BlockAddress. This was not
supported for direct object output and resulted in an assertion.
This change adds support for EK_GPRel64BlockAddress for
direct object.
One fallout from this is to turn on rela relocations
for mips64 to match gas.
llvm-svn: 162334
2012-08-22 00:49:30 +00:00
2c06448360
Fix macros arguments with an underscore, dot or dollar in them. This is based
...
on a patch by Andy/PaX. I added the support for dot and dollar.
llvm-svn: 162298
2012-08-21 18:29:30 +00:00
af6da83a2c
Make the wording in of the "expected identifier" error in the .macro directive
...
consistent with the other "expected identifier" errors.
Extracted from the Andy/PaX patch. I added the test.
llvm-svn: 162291
2012-08-21 17:12:05 +00:00
d2dc2a7af3
Use typedefs. Fix indentation. Extracted from the Andy/PaX patch.
...
llvm-svn: 162283
2012-08-21 16:06:48 +00:00
5535863043
Remove unused variable. Extracted from the Andy/PaX patch.
...
llvm-svn: 162282
2012-08-21 16:01:14 +00:00
3e5eb4263a
Fix typo. Extracted from the Andy/PaX patch.
...
llvm-svn: 162281
2012-08-21 15:55:04 +00:00
333449cd65
When emitting the PC range in an FDE, use the same data encoding for both ends
...
of the range. Fixes PR13581!
llvm-svn: 161739
2012-08-12 08:09:45 +00:00
bf387df302
Move [SU]LEB128 encoding to a utility header.
...
These functions are very generic. There's no reason for them to
be tied to MCObjectWriter.
llvm-svn: 161545
2012-08-08 23:56:06 +00:00
cb7eadfe7e
Typedefs and indentation fixes from the Andy Zhang/PAX macro argument patch.
...
Committing it first as it makes the "real" patch a lot easier to read.
llvm-svn: 161491
2012-08-08 14:51:03 +00:00
cc8c539300
Fix for .pdata and .xdata section attributes on COFF.
...
Patch by kai@redstar.de !
llvm-svn: 161487
2012-08-08 12:46:46 +00:00
ce4fe41d21
Add `.pushsection', `.popsection', and `.previous' directives to Darwin ASM.
...
There are situations where inline ASM may want to change the section -- for
instance, to create a variable in the .data section. However, it cannot do this
without (potentially) restoring to the wrong section. E.g.:
asm volatile (".section __DATA, __data\n\t"
".globl _fnord\n\t"
"_fnord: .quad 1f\n\t"
".text\n\t"
"1:" :::);
This may be wrong if this is inlined into a function that has a "section"
attribute. The user should use `.pushsection' and `.popsection' here instead.
The addition of `.previous' is added for completeness.
<rdar://problem/12048387>
llvm-svn: 161477
2012-08-08 06:30:30 +00:00
20666162e9
Keep empty assembly macro argument values in the middle of the list.
...
Empty macro arguments at the end of the list should be as-if not specified at
all, but those in the middle of the list need to be kept so as not to screw
up the positional numbering. E.g.:
.macro foo
foo_-bash___:
nop
.endm
foo 1, 2, 3, 4
foo 1, , 3, 4
Should create two labels, "foo_1_2_3_4" and "foo_1__3_4".
rdar://11948769
llvm-svn: 161002
2012-07-30 22:44:17 +00:00
0c06121e4e
Give MCRegisterInfo an implementation file.
...
Move some functions from MCRegisterInfo.h that don't need to be inline.
This shrinks llc by 8K.
llvm-svn: 160865
2012-07-27 16:25:20 +00:00
35521e2310
Fix a typo (the the => the)
...
llvm-svn: 160621
2012-07-23 08:51:15 +00:00
f73e362758
Add VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind.
...
Test case will be added later when long branch patch is checked in.
llvm-svn: 160597
2012-07-21 02:15:19 +00:00
d163405df8
Remove tabs.
...
llvm-svn: 160475
2012-07-19 00:04:14 +00:00
848094e3ce
Whitespace.
...
llvm-svn: 160445
2012-07-18 19:35:16 +00:00
87255e340e
I'm introducing a new machine model to simultaneously allow simple
...
subtarget CPU descriptions and support new features of
MachineScheduler.
MachineModel has three categories of data:
1) Basic properties for coarse grained instruction cost model.
2) Scheduler Read/Write resources for simple per-opcode and operand cost model (TBD).
3) Instruction itineraties for detailed per-cycle reservation tables.
These will all live side-by-side. Any subtarget can use any
combination of them. Instruction itineraries will not change in the
near term. In the long run, I expect them to only be relevant for
in-order VLIW machines that have complex contraints and require a
precise scheduling/bundling model. Once itineraries are only actively
used by VLIW-ish targets, they could be replaced by something more
appropriate for those targets.
This tablegen backend rewrite sets things up for introducing
MachineModel type #2 : per opcode/operand cost model.
llvm-svn: 159891
2012-07-07 04:00:00 +00:00
030e2f8f1a
Tweak spelling.
...
llvm-svn: 159889
2012-07-07 03:59:48 +00:00
d359075e43
Enable target dependent directive parsing to hook before standard parser in
...
AsmParser::ParseStatement.
Patch by Vladimir Medic.
llvm-svn: 159768
2012-07-05 19:09:33 +00:00
09e3510eb1
MCContext.cpp: Fixup for my odd previous commit. No functional changes.
...
llvm-svn: 159645
2012-07-03 06:01:27 +00:00
30396ba4aa
MCContext::GetDwarfFile(): Make FileName parsing tolerant of DOSish pathsep with PathV2.
...
It fixes failure in test/MC/MachO/gen-dwarf.s on Win32 w/o bash.
llvm-svn: 159640
2012-07-03 03:59:29 +00:00
8ad0c272af
The ELF relocation record format is different for N64
...
which many Mips 64 ABIs use than for O64 which many
if not all other target ABIs use.
Most architectures have the following 64 bit relocation record format:
typedef struct
{
Elf64_Addr r_offset; /* Address of reference */
Elf64_Xword r_info; /* Symbol index and type of relocation */
} Elf64_Rel;
typedef struct
{
Elf64_Addr r_offset;
Elf64_Xword r_info;
Elf64_Sxword r_addend;
} Elf64_Rela;
Whereas N64 has the following format:
typedef struct
{
Elf64_Addr r_offset;/* Address of reference */
Elf64_Word r_sym; /* Symbol index */
Elf64_Byte r_ssym; /* Special symbol */
Elf64_Byte r_type3; /* Relocation type */
Elf64_Byte r_type2; /* Relocation type */
Elf64_Byte r_type; /* Relocation type */
} Elf64_Rel;
typedef struct
{
Elf64_Addr r_offset;/* Address of reference */
Elf64_Word r_sym; /* Symbol index */
Elf64_Byte r_ssym; /* Special symbol */
Elf64_Byte r_type3; /* Relocation type */
Elf64_Byte r_type2; /* Relocation type */
Elf64_Byte r_type; /* Relocation type */
Elf64_Sxword r_addend;
} Elf64_Rela;
The structure is the same size, but the r_info data element
is now 5 separate elements. Besides the content aspects,
endian byte reordering will be different for the area with
each element being endianized separately.
I treat this as generic and continue to pass r_type as
an integer masking and unmasking the byte sized N64
values for N64 mode. I've implemented this and it causes no
affect on other current targets.
This passes make check.
Jack
llvm-svn: 159299
2012-06-27 22:28:30 +00:00
f5bd6c6510
EmitZerofill should take a 64-bit size or else it's chopping off large zero-filled global. rdar://11729134
...
llvm-svn: 159023
2012-06-22 20:14:46 +00:00
ea59166190
Remove another duplicated variable. We only need one to tell us if the linker
...
knows dwarf or not.
llvm-svn: 158993
2012-06-22 13:32:49 +00:00
d7bdaf5795
Fix a FIXME: DwarfRequiresRelocationForSectionOffset is the same as
...
DwarfUsesRelocationsAcrossSections.
llvm-svn: 158992
2012-06-22 13:24:07 +00:00
33da33676f
Emit relocations for DW_AT_location entries on systems which need it. This is
...
a recommit of r127757. Fixes PR9493. Patch by Paul Robinson!
llvm-svn: 158957
2012-06-22 01:25:12 +00:00
f70bea93e2
Implement irpc. Extracted from a patch by the PaX team. I just added the test.
...
llvm-svn: 158604
2012-06-16 18:03:25 +00:00
768b41c17a
Factor macro argument parsing into helper methods and add support for .irp.
...
Patch extracted from a larger one by the PaX team. I added the testcases
and tightened error handling a bit.
llvm-svn: 158523
2012-06-15 14:02:34 +00:00
3f87e3b707
Add accessors for all private members of DisasmContext.
...
LLVM should be -Wunused-private-field clean now.
llvm-svn: 158103
2012-06-06 20:45:10 +00:00
73d7736b17
misched: Added MultiIssueItineraries.
...
This allows a subtarget to explicitly specify the issue width and
other properties without providing pipeline stage details for every
instruction.
llvm-svn: 157979
2012-06-05 03:44:40 +00:00
e3f15c98d1
Implement local-exec TLS on PowerPC.
...
llvm-svn: 157935
2012-06-04 17:36:38 +00:00
34b9c511c1
Represent .rept as an anonymous macro. This removes the need for the ActiveRept
...
vector. No functionality change.
Extracted from a patch by the PaX Team.
llvm-svn: 157909
2012-06-03 23:57:14 +00:00
dd17c237a8
Add a typedef to simplify the code a bit. Not functionality change.
...
Part of a patch by the PaX Team.
llvm-svn: 157908
2012-06-03 22:41:23 +00:00
bde9176663
Fix typos found by http://github.com/lyda/misspell-check
...
llvm-svn: 157885
2012-06-02 10:20:22 +00:00
368461cad0
Fix typo in assembly directive. Noticed by inspection.
...
llvm-svn: 157726
2012-05-31 00:53:18 +00:00
49ea89ee2d
Compress MCRegisterInfo register name tables.
...
Store (debugging) register names as offsets into a string table instead
of as char pointers.
llvm-svn: 157449
2012-05-25 00:21:41 +00:00
9520719b9b
Mark some static arrays as const.
...
llvm-svn: 157377
2012-05-24 06:35:32 +00:00
4b63d2ae1d
Refactor data-in-code annotations.
...
Use a dedicated MachO load command to annotate data-in-code regions.
This is the same format the linker produces for final executable images,
allowing consistency of representation and use of introspection tools
for both object and executable files.
Data-in-code regions are annotated via ".data_region"/".end_data_region"
directive pairs, with an optional region type.
data_region_directive := ".data_region" { region_type }
region_type := "jt8" | "jt16" | "jt32" | "jta32"
end_data_region_directive := ".end_data_region"
The previous handling of ARM-style "$d.*" labels was broken and has
been removed. Specifically, it didn't handle ARM vs. Thumb mode when
marking the end of the section.
rdar://11459456
llvm-svn: 157062
2012-05-18 19:12:01 +00:00
c7eda3ee9c
Fix spacing after if.
...
llvm-svn: 156716
2012-05-12 16:52:21 +00:00
47b7dac220
Add support for the .rept directive. Patch by Vladmir Sorokin. I added support
...
for nesting.
llvm-svn: 156714
2012-05-12 16:31:10 +00:00
6bee7f750d
ELF: Add support for the asm .version directive.
...
llvm-svn: 156712
2012-05-12 14:30:47 +00:00
95d31bcba5
AsmParser: Add support for the .purgem directive.
...
Based on a patch by Team PaX.
llvm-svn: 156709
2012-05-12 11:21:46 +00:00
38de62f883
AsmParser: Give a nice error message for .code16gcc, which is currently unsupported.
...
Patch by Team PaX!
llvm-svn: 156708
2012-05-12 11:19:04 +00:00
66b8d4d28f
AsmParser: ignore the .extern directive.
...
llvm-svn: 156707
2012-05-12 11:18:59 +00:00
e297b9f506
AsmParser: Add support for .ifc and .ifnc directives.
...
Based on a patch from PaX Team.
llvm-svn: 156706
2012-05-12 11:18:51 +00:00
62c18b0881
AsmParser: Add support for .ifb and .ifnb directives.
...
Based on a patch from PaX Team.
llvm-svn: 156705
2012-05-12 11:18:42 +00:00
dc1e36e9f5
Tidy up. Trailing whitespace.
...
llvm-svn: 156602
2012-05-11 01:41:30 +00:00
7ce129268e
Nuke a few dead remnants of the CBE.
...
llvm-svn: 156241
2012-05-05 17:45:12 +00:00
758e0cc94a
MC: Unknown assembler directives are now hard errors.
...
Previously, an unsupported/unknown assembler directive issued a warning.
That's generally unsafe, and inconsistent with the behaviour of pretty
much every system assembler. Now that the MC assemblers are mature
enough to be the default on multiple targets, it's reasonable to
issue errors for these.
For target or platform directives that need to stay warnings, we
should add explicit handlers for them in, e.g., ELFAsmParser.cpp,
DarwinAsmParser.cpp, et. al., and issue the warning there.
rdar://9246275
llvm-svn: 155926
2012-05-01 18:38:27 +00:00
a0c53f147a
MC: Remove errant EatToEndOfStatement() in asm parser.
...
The caller is already responsible for eating any additional input on the
line. Putting an additional EatToEndOfStatement() in ParseStatement()
causes an entire extra statement to be consumed when treating warnings
as errors. For example, test/MC/macros.s will assert() because the
.endmacro directive is missed as a result.
rdar://11355843
llvm-svn: 155925
2012-05-01 18:38:24 +00:00
1e1d68f1b9
MC assembly parser handling for trailing comma in macro instantiation.
...
A trailing comma means no argument at all (i.e., as if the comma were not
present), not an empty argument to the invokee.
rdar://11252521
llvm-svn: 154863
2012-04-16 21:18:49 +00:00
7a426b5f2e
Compute hashes directly with hash_combine instead of taking a detour through FoldingSetNodeID.
...
llvm-svn: 154495
2012-04-11 14:06:39 +00:00
bbec87205d
Use the correct section types on Solaris for unwind data on both x86 and x86-64.
...
Patch by Dmitri Shubin!
llvm-svn: 154391
2012-04-10 11:44:33 +00:00
0235f684f0
Output UTF-8-encoded characters as identifier characters into assembly
...
by default.
This is a behaviour configurable in the MCAsmInfo. I've decided to turn
it on by default in (possibly optimistic) hopes that most assemblers are
reasonably sane. If this proves a problem, switching to default seems
reasonable.
I'm not sure if this is the opportune place to test, but it seemed good
to make sure it was tested somewhere.
llvm-svn: 154235
2012-04-07 00:37:53 +00:00
e804b5b762
Fixed two leaks in the MC disassembler. The MC
...
disassembler requires a MCSubtargetInfo and a
MCInstrInfo to exist in order to initialize the
instruction printer and disassembler; however,
although the printer and disassembler keep
references to these objects they do not own them.
Previously, the MCSubtargetInfo and MCInstrInfo
objects were just leaked.
I have extended LLVMDisasmContext to own these
objects and delete them when it is destroyed.
llvm-svn: 154192
2012-04-06 18:21:09 +00:00
1c0541b031
Move getOpcodeName from the various target InstPrinters into the superclass MCInstPrinter.
...
All implementations used the same code.
llvm-svn: 153866
2012-04-02 08:32:38 +00:00
54bfde79db
Make MCInstrInfo available to the MCInstPrinter. This will be used to remove getInstructionName and the static data it contains since the same tables are already in MCInstrInfo.
...
llvm-svn: 153860
2012-04-02 06:09:36 +00:00
1fcf5bcae1
Prune some includes
...
llvm-svn: 153502
2012-03-27 07:54:11 +00:00
6e80c28017
Prune some includes and forward declarations.
...
llvm-svn: 153429
2012-03-26 06:58:25 +00:00
64ad2cf1e4
Add a hook in MCELFObjectTargetWriter to allow targets to sort relocation
...
entries in the relocation table before they are written out to the file.
llvm-svn: 153345
2012-03-23 23:06:45 +00:00
1283317db4
Assembler should accept redefinitions of unused variable symbols.
...
rdar://11027851
llvm-svn: 153137
2012-03-20 21:33:21 +00:00
765a6e0231
Tidy up.
...
llvm-svn: 153136
2012-03-20 21:33:17 +00:00
2c8e0ac85c
MC asm parser macro argument count was wrong when empty.
...
evaluated to '1' when the argument list was empty (should be '0').
rdar://11057257
llvm-svn: 152967
2012-03-17 00:11:42 +00:00
fa39bd2d42
Implement relocation-overflow behavior for PE/COFF.
...
This needs a test, but it will take some time to figure
out the best way to get an input that will produce > 2^16 relocs.
Patch by Graydon Hoare!
llvm-svn: 152787
2012-03-15 09:03:03 +00:00
fd93a59557
Make MCRegisterInfo available to the the MCInstPrinter.
...
Used to allow context sensitive printing of super-register or sub-register
references.
llvm-svn: 152043
2012-03-05 19:33:20 +00:00
c7ecbfb07d
Correctly initialize LineSectionSymbol. Thanks to Duncan Sands for noticing it.
...
llvm-svn: 151979
2012-03-03 14:24:15 +00:00
56b662ce0f
Make MemoryObject accessor members const again
...
llvm-svn: 151687
2012-02-29 01:09:06 +00:00
c22c85c29c
On ELF, create relocations to the abbreviation and line sections when producing
...
debug info for assembly files. We were already doing the right thing when
producing debug info for C/C++.
ELF linkers don't know dwarf, so they depend on these relocations to produce
valid dwarf output.
llvm-svn: 151655
2012-02-28 21:13:05 +00:00
7b811d30d9
ARM BL/BLX instruction fixups should use relocations.
...
We on the linker to resolve calls to the appropriate BL/BLX instruction
to make interworking function correctly. It uses the symbol in the
relocation to do that, so we need to be careful about being too clever.
To enable this for ARM mode, split the BL/BLX fixup kind off from the
unconditional-branch fixups.
rdar://10927209
llvm-svn: 151571
2012-02-27 21:36:23 +00:00
73dc95c5cd
Grammar-o.
...
llvm-svn: 151418
2012-02-25 01:02:44 +00:00
213039a5a1
ARM Thumb symbol references in assembly need the low bit set.
...
Add support for a missed case when the symbols in a difference
expression are in the same section but not the same fragment.
rdar://10924681
llvm-svn: 151345
2012-02-24 05:12:18 +00:00
b560d079df
Emit global ctors into .CRT$XCU instead of .ctors on Win32. Patch by Joe Groff!
...
llvm-svn: 151289
2012-02-23 21:56:08 +00:00
00b679c127
Bump SmallString to the minimum required amount for raw_ostream to avoid allocation.
...
It's is a bit annoying, we should hide this implementation detail better.
llvm-svn: 151284
2012-02-23 21:15:21 +00:00
9646a472da
MC: Fix the MCNullStreamer which was broken in r147763.
...
llvm-svn: 151213
2012-02-22 23:49:50 +00:00
2d27b0f0ed
Switch the llvm::Triple class to immediately parse the triple string on
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construction. Simplify its interface, implementation, and users
accordingly as there is no longer an 'uninitialized' state to check for.
Also, fixes a bug lurking in the interface as there was one method that
didn't correctly check for initialization.
llvm-svn: 151024
2012-02-21 03:39:36 +00:00
636a3d618c
Remove dead code. Improve llvm_unreachable text. Simplify some control flow.
...
llvm-svn: 150918
2012-02-19 11:37:01 +00:00
1eb5cd9b74
Fix typo in comment ldopen() -> dlopen().
...
llvm-svn: 150836
2012-02-17 19:26:00 +00:00
86f94ce509
Put back the initializing the targets in the disassembler API with a comment as
...
to why this is needed. This broke the darwin's otool(1) program. This change
was made in r144385.
llvm-svn: 150832
2012-02-17 19:18:29 +00:00
07f8d3e4e9
Generate the correct EH frame section types on Solaris, this time without breaking other platforms...
...
llvm-svn: 150819
2012-02-17 17:31:15 +00:00
85dd309e85
Revert r150814. It turns out that there is a good reason for this after all...
...
llvm-svn: 150818
2012-02-17 16:51:02 +00:00
38e25ab513
Don't lazily allocate eh_frame. We're not lazily allocating things like the LSDA, which are only used when the eh frame is used, so this lazy allocation doesn't really make sense.
...
Fix the type of eh_frame on Solaris so that Sun ld doesn't fail to combine them (thus making it impossible for the unwind library to find them and breaking exceptions).
llvm-svn: 150814
2012-02-17 16:32:07 +00:00
44ec69efe0
For ELF, also call fixSymbolsInTLSFixups() on expressions passed to EmitValue (literal values). Previously only called on expressions in instructions. New test cases added to tls.s, tls-i386.s. Resolves PR11981.
...
llvm-svn: 150582
2012-02-15 15:09:06 +00:00
c6b4017ce2
Add support for implicit TLS model used with MS VC runtime.
...
Patch by Kai Nacke!
llvm-svn: 150307
2012-02-11 17:26:53 +00:00
a2886c21d9
Convert assert(0) to llvm_unreachable
...
llvm-svn: 149967
2012-02-07 05:05:23 +00:00
8b2dcad4b5
Enable streaming of bitcode
...
This CL delays reading of function bodies from initial parse until
materialization, allowing overlap of compilation with bitcode download.
llvm-svn: 149918
2012-02-06 22:30:29 +00:00
bdce3885c4
Modified the Enhanced Disassembler to create and
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cache disassemblers according to the string value
of the target triple, not according to the enum
of the triple CPU. The reason for this is that
certain attributes of the instruction set are not
reflected in the enum, but only in the string.
llvm-svn: 149773
2012-02-04 07:45:35 +00:00
f0b08445f6
Add a new MachineJumpTableInfo entry type, EK_GPRel64BlockAddress, which is
...
needed to emit a 64-bit gp-relative relocation entry. Make changes necessary
for emitting jump tables which have entries with directive .gpdword. This patch
does not implement the parts needed for direct object emission or JIT.
llvm-svn: 149668
2012-02-03 04:33:00 +00:00
e1a12cf3ee
Fixed a crash in llvm-mc for Mach-O when a symbol difference expression uses a
...
symbol from an assignment. In this case the symbol did not have a fragment so
MCObjectWriter::IsSymbolRefDifferenceFullyResolved() should not have been
calling IsSymbolRefDifferenceFullyResolvedImpl() with a NULL fragment and should
just have returned false in that case.
llvm-svn: 149442
2012-01-31 23:02:57 +00:00
a173ee56fd
Add assembler dialect attribute in asm parser which lets target specific asm parser change dialect on the fly.
...
llvm-svn: 149396
2012-01-31 18:14:05 +00:00
4efe5064c3
Silence GCC's -Wreturn-type warning.
...
llvm-svn: 149179
2012-01-28 15:28:41 +00:00
004725876e
Small improvement to the recursion detection logic from the previous commit.
...
llvm-svn: 149175
2012-01-28 06:22:14 +00:00
72f5f170c6
Handle recursive variable definitions directly. This gives us better error
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messages and allows us to fix PR11865.
llvm-svn: 149174
2012-01-28 05:57:00 +00:00
d856fd0d99
Source information in 'expected relocatable expression' diagnostic.
...
llvm-svn: 149105
2012-01-27 00:51:23 +00:00
b591277c4a
Better diagnostic for malformed .org assembly directive.
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Provide source line number information.
llvm-svn: 149101
2012-01-27 00:37:08 +00:00
5aac954be9
Tidy up.
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llvm-svn: 149096
2012-01-26 23:47:45 +00:00
b18b409258
Add simple support for keeping MCFixup source information.
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Can be used to issue more user friendly diagnostics for faulty
relocation constructs and such.
llvm-svn: 149092
2012-01-26 23:20:11 +00:00
dfc5b555da
Add SourceMgr to MCContext for backend diagnostics.
...
llvm-svn: 149090
2012-01-26 23:20:05 +00:00
6685c08e5f
Add support for the R_ARM_TARGET1 relocation, which should be given to relocations applied to all C++ constructors and destructors.
...
This enables the linker to match concrete relocation types (absolute or relative) with whatever library or C++ support code is being linked against.
llvm-svn: 149057
2012-01-26 09:25:43 +00:00
7722a2d4e3
Properly emit ctors / dtors with priorities into desired sections
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and let linker handle the rest.
This finally fixes PR5329
llvm-svn: 148990
2012-01-25 22:24:19 +00:00
35bc8f9159
ARM Darwin symbol ref differences w/o subsection-via-symbols.
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When not using subsections via symbols, the assembler can resolve
symbol differences (including pcrel references) to non-local
labels at assembly time, not just those in the same atom.
llvm-svn: 148865
2012-01-24 21:45:25 +00:00
3c47e37387
Add support for .cfi_signal_frame. Fixes pr11762.
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llvm-svn: 148733
2012-01-23 21:51:52 +00:00
46a9f016c5
More dead code removal (using -Wunreachable-code)
...
llvm-svn: 148578
2012-01-20 21:51:11 +00:00
d3309a3434
Add missing breaks to switch.
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Found by the clang static analyzer.
llvm-svn: 148543
2012-01-20 14:42:37 +00:00
084b9f4134
Remove a bunch of unused variable assignments.
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Found by the clang static analyzer.
llvm-svn: 148541
2012-01-20 14:42:32 +00:00
4b53e188c1
Add a dump() implementation for sub-instruction MCOperands.
...
llvm-svn: 148493
2012-01-19 19:32:20 +00:00
d4dbd09d85
MCAssembler tweak for determining when a symbol difference is resolved.
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If the two fragments are in the same Atom, then the difference
expression is resolvable at compile time. Previously we were checking
that they were in the same fragment, but that breaks down in the
presence of instruction relaxation which has multiple fragments in the
same atom.
rdar://10711829
llvm-svn: 148423
2012-01-18 21:54:12 +00:00
aba3de99c0
Tidy up. MCAsmBackend naming conventions.
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llvm-svn: 148400
2012-01-18 18:52:16 +00:00
3b50c9ec7f
Move some ARM specific MCAssmebler bits into the ARMAsmBackend.
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llvm-svn: 148364
2012-01-18 00:23:57 +00:00
4045507fea
MC tweak symbol difference resolution for non-local symbols.
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When the non-local symbol in the expression is in the same fragment
as the second symbol, the assembler can still evaluate the expression
without needing a relocation.
For example, on ARM:
_foo:
ldr lr, (_foo - 4)
rdar://10348687
llvm-svn: 148341
2012-01-17 22:14:39 +00:00
6223cf72e6
The error check for using -g with a .s file already containing dwarf .file
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directives was in the wrong place and getting triggered incorectly with a
cpp .file directive. This change fixes that and adds a test case.
llvm-svn: 147951
2012-01-11 18:04:47 +00:00
227b6279b6
Let asm parser query asm syntax dialect.
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llvm-svn: 147880
2012-01-10 21:49:42 +00:00
f7d77069ca
This is the matching change for the data structure name changes for the
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functional change in r147860 to use DW_TAG_label's instead TAG_subprogram's.
This only changes names and updates comments. No functional change.
llvm-svn: 147877
2012-01-10 21:12:34 +00:00
233149cf06
Fix some leftover control reaches end of non-void function warnings.
...
llvm-svn: 147874
2012-01-10 20:47:20 +00:00
f3e8502cc1
Add 'llvm_unreachable' to passify GCC's understanding of the constraints
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of several newly un-defaulted switches. This also helps optimizers
(including LLVM's) recognize that every case is covered, and we should
assume as much.
llvm-svn: 147861
2012-01-10 18:08:01 +00:00
8d4a2204b7
Various crash reporting tools have a problem with the dwarf generated for
...
assembly source when it generates the TAG_subprogram dwarf debug info for
the labels that have nothing between them as in this bit of assembly source:
% cat ZeroLength.s
_func1:
_func2:
nop
One solution would be to not emit the subsequent labels with the same address
and use the next label with a different address or the end of the section for
the AT_high_pc value of the TAG_subprogram.
Turns out in llvm-mc it is not possible in all cases to determine of two
symbols have the same value at the point we put out the TAG_subprogram dwarf
debug info.
So we will have llvm-mc instead of putting out TAG_subprogram's put out
DW_TAG_label's. And the DW_TAG_label does not have a AT_high_pc value which
avoids the problem.
This commit is only the functional change to make the diffs clear as to what is
really being changed. The next commit will be to clean up the names of such
things like MCGenDwarfSubprogramEntry to something like MCGenDwarfLabelEntry.
rdar://10666925
llvm-svn: 147860
2012-01-10 17:52:29 +00:00
edbb58c577
Remove unnecessary default cases in switches that cover all enum values.
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llvm-svn: 147855
2012-01-10 16:47:17 +00:00
5cb98f1062
Remove the logging streamer.
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llvm-svn: 147820
2012-01-10 00:40:39 +00:00
f28213ca01
Don't print an unused label before .cfi_endproc.
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llvm-svn: 147763
2012-01-09 00:17:29 +00:00
81a6274e7c
Remove MCELFStreamer.h.
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llvm-svn: 147745
2012-01-07 23:18:39 +00:00
382412032c
Don't print a label before .cfi_startproc when we don't need to. This makes
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the produce assembly when using CFI just a bit more readable.
llvm-svn: 147743
2012-01-07 22:42:19 +00:00
0708209642
Split Finish into Finish and FinishImpl to have a common place to do end of
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file error checking. Use that to error on an unfinished cfi_startproc.
The error is not nice, but is already better than a segmentation fault.
llvm-svn: 147717
2012-01-07 03:13:18 +00:00
4ea99816ef
Implement cfi_restore. Patch by Brian Anderson!
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llvm-svn: 147356
2011-12-29 21:43:03 +00:00
03dbffd8ce
Rename Remember and Restore to RememberState and RestoreState for consistency.
...
llvm-svn: 147354
2011-12-29 21:09:08 +00:00
ef4aa35164
Implement .cfi_escape. Patch by Brian Anderson!
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llvm-svn: 147352
2011-12-29 20:24:47 +00:00
a56ab0ede7
Section relative fixups are a coff concept, not a x86 one. Replace the
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x86 specific reloc_coff_secrel32 with a generic FK_SecRel_4.
llvm-svn: 147252
2011-12-24 14:47:52 +00:00
908d2ed14e
Move x86 specific bits of the COFF writer to lib/Target/X86.
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llvm-svn: 147231
2011-12-24 02:14:02 +00:00
b120ea2b92
Define trivial destructor inline.
...
llvm-svn: 147230
2011-12-24 01:53:13 +00:00
a2da8aa505
Make GetRelocType pure virtual.
...
llvm-svn: 147229
2011-12-24 01:36:25 +00:00
e61724aa00
Move all the dependencies on X86FixupKinds.h to a single method in preparation
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to moving it to lib/Target/X86.
llvm-svn: 147190
2011-12-22 22:21:47 +00:00
29abd977de
Kill the monstrosity that was ELFObjectWriter.h.
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llvm-svn: 147136
2011-12-22 03:38:00 +00:00
34a68afc05
Misc cleanups.
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llvm-svn: 147135
2011-12-22 03:24:43 +00:00
1dc45d8df4
Move the Mips only bits of the ELF writer to lib/Target/Mips.
...
llvm-svn: 147133
2011-12-22 03:03:17 +00:00
cc369ac0a2
Move the MBlaze ELF writer bits to lib/Target/MBlaze.
...
llvm-svn: 147129
2011-12-22 02:28:24 +00:00
38a400df3b
Move PPC bits to lib/Target/PowerPC.
...
llvm-svn: 147124
2011-12-22 01:57:09 +00:00
e2eed9649e
Local dynamic TLS model for direct object output. Create the correct TLS MIPS
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ELF relocations.
Patch by Jack Carter.
llvm-svn: 147118
2011-12-22 01:05:17 +00:00
a0124055b1
Move the ARM specific parts of the ELF writer to Target/ARM.
...
llvm-svn: 147115
2011-12-22 00:37:50 +00:00
6faa1533fb
getEFlags is const.
...
llvm-svn: 147114
2011-12-22 00:21:50 +00:00
f61ff34252
Switch from WriteEFlags to getEFlags in preparation for moving it
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to Target/.
llvm-svn: 147087
2011-12-21 20:09:46 +00:00
b264d33854
Move the X86 specific bits of the ELF writer to the Target/X86 directory.
...
Other targets will follow shortly.
llvm-svn: 147060
2011-12-21 17:30:17 +00:00
1ad4095d6b
Reduce the exposure of Triple::OSType in the ELF object writer. This will
...
avoid including ADT/Triple.h in many places when the target specific bits are
moved.
llvm-svn: 147059
2011-12-21 17:00:36 +00:00
9e252bf038
Small refactoring so that RelocNeedsGOT can stay in the target independent
...
side when the target specific bits are moved to the Target directory.
llvm-svn: 147053
2011-12-21 14:26:29 +00:00
a379b18173
Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch
...
llvm-svn: 146960
2011-12-20 02:50:00 +00:00
d3df3d3527
Add back the MC bits of 126425. Original patch by Nathan Jeffords. I added the
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asm parsing and testcase.
llvm-svn: 146801
2011-12-17 01:14:52 +00:00
db0f63e345
Re-re-enable compact unwind after fixing a failure in SingleSource/Benchmarks/Shootout-C++/except.cpp and friends. It was encoding the stored registers in the wrong order.
...
llvm-svn: 146617
2011-12-15 00:14:24 +00:00
dc785db0c3
Another improvement to the implementation of .incbin directive by avoiding a
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buffer copy. Suggestion by Chris Lattner!
llvm-svn: 146614
2011-12-15 00:00:27 +00:00
ad41ab5015
Improve the implementation of .incbin directive by replacing a loop by using
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getStreamer().EmitBytes. Suggestion by Benjamin Kramer!
llvm-svn: 146599
2011-12-14 22:34:45 +00:00
109f25c966
Add the .incbin directive which takes the binary data from a file and emits
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it to the streamer. rdar://10383898
llvm-svn: 146592
2011-12-14 21:47:48 +00:00
27a9762b3c
Disable to review some failures.
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llvm-svn: 146545
2011-12-14 02:16:54 +00:00
e41963ce47
Relocation against a symbol, instead of against section. We had some extreme
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test cases where there were a lot of relocations applied relative to a large
rodata section. Gas would create a symbol for each of these whereas we would
be relative to the beginning of the rodata section. This change mimics what
gas does.
Patch by Jack Carter.
llvm-svn: 146468
2011-12-13 02:27:40 +00:00
8889bb08b8
LLVMBuild: Introduce a common section which currently has a list of the
...
subdirectories to traverse into.
- Originally I wanted to avoid this and just autoscan, but this has one key
flaw in that new subdirectories can not automatically trigger a rerun of the
llvm-build tool. This is particularly a pain when switching back and forth
between trees where one has added a subdirectory, as the dependencies will
tend to be wrong. This will also eliminates FIXME implicitly.
llvm-svn: 146436
2011-12-12 22:45:54 +00:00
27a7489a03
LLVMBuild: Remove trailing newline, which irked me.
...
llvm-svn: 146409
2011-12-12 19:48:00 +00:00
735cb8bcdc
Add support for gnu_indirect_function.
...
llvm-svn: 146377
2011-12-12 17:34:04 +00:00
7e0a793183
Handle reloc_signed_4byte in here. Not doing so was a regression from my
...
previous commit. It is strange that we see it in 32 bits. We already
have a fixme about it.
llvm-svn: 146273
2011-12-09 19:57:29 +00:00
e7739d484f
The second part of support for generating dwarf for assembly source files. This
...
generates the dwarf Compile Unit DIE and a dwarf subprogram DIE for each
non-temporary label.
The next part will be to get the clang driver to enable this when assembling
a .s file. rdar://9275556
llvm-svn: 146262
2011-12-09 18:09:40 +00:00
0a7f336475
Handle the case of the magical _GLOBAL_OFFSET_TABLE_ showing up in a
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symbol difference. This matches gas behavior and fixes PR11513.
We still don't handle _GLOBAL_OFFSET_TABLE_ in data sections.
llvm-svn: 146238
2011-12-09 03:03:58 +00:00
d6ae4ba002
Darwin assembler improved relocs when w/o subsections_via_symbols.
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When the file isn't being built with subsections-via-symbols, symbol
differences involving non-local symbols can be resolved more aggressively.
Needed for gas compatibility.
llvm-svn: 146054
2011-12-07 19:46:59 +00:00
61e6d987bf
Add a few moreLocal/Global R_MIPS_GOT related fixups and
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make the addend fixup code a bit more generic
Patch by Jack Carter.
llvm-svn: 145998
2011-12-07 00:28:57 +00:00
efdd2f8fef
Re-enable compact unwind. It seems to work now. <rdar://problem/10441838>
...
llvm-svn: 145977
2011-12-06 22:18:12 +00:00
87cfffe149
Explicit symbols for gnu mimicing relocations. Patch by Jack Carter
...
llvm-svn: 145911
2011-12-06 03:34:42 +00:00
25b63fa117
Move target-specific logic out of generic MCAssembler.
...
Whether a fixup needs relaxation for the associated instruction is a
target-specific function, as the FIXME indicated. Create a hook for that
and use it.
llvm-svn: 145881
2011-12-06 00:47:03 +00:00
46be301c4c
Tidy up. Hard tabs.
...
llvm-svn: 145878
2011-12-06 00:13:09 +00:00
18e2fe47fa
Switch MCAssembler to method names starting w/ lower-case.
...
per http://llvm.org/docs/CodingStandards.html#ll_naming
llvm-svn: 145873
2011-12-06 00:03:48 +00:00
965e0c6de2
Emit the ctors in the proper order on ARM/EABI.
...
Maybe some targets should use this as well.
Patch by Evgeniy Stepanov!
llvm-svn: 145781
2011-12-03 23:49:37 +00:00
539d0a8a09
build/CMake: Finish removal of add_llvm_library_dependencies.
...
llvm-svn: 145420
2011-11-29 19:25:30 +00:00
de3a2118db
MC/X86/COFF: Allow quotes in names when targeting MS/Windows,
...
as MC is the only assembler we support.
This splits MS/Windows and GNU/Windows ASM infos into two seperate classes.
While there is currently only one difference, full MS C++ ABI support will
require many more.
llvm-svn: 145409
2011-11-29 18:00:06 +00:00
11b9894234
MachO doesn't support the protected visibility. Don't default to 'global' here. <rdar://problem/10396775>
...
llvm-svn: 145368
2011-11-29 02:39:58 +00:00
ae9132207f
Better fix for ARM MOVT relocation encoding of thumb bit.
...
Replaces r145318 with a more targetted fix for the relocation handling.
llvm-svn: 145346
2011-11-29 01:15:25 +00:00
fe2d028ab1
build: Update CMakeLists.txt.
...
llvm-svn: 145341
2011-11-29 00:33:14 +00:00
b074d102a3
edis: Sink EDMain.cpp into lib/MC/MCDisassembler.
...
- This fixes some layering violations and matches how we handle the llvm-c lib,
for example.
llvm-svn: 145338
2011-11-29 00:25:57 +00:00
30168fbde5
Thumb2 only force the fixup thumb bit for data relocations.
...
rdar://10493453
llvm-svn: 145318
2011-11-28 23:39:00 +00:00
faa8efb482
Remove obsolete FIXME.
...
llvm-svn: 145313
2011-11-28 23:23:58 +00:00
f5ddf13f79
This patch addresses gp relative fixups/relocations for jump tables.
...
llvm-svn: 145112
2011-11-23 22:18:04 +00:00
ecb2908bf9
Sink codegen optimization level into MCCodeGenInfo along side relocation model
...
and code model. This eliminates the need to pass OptLevel flag all over the
place and makes it possible for any codegen pass to use this information.
llvm-svn: 144788
2011-11-16 08:38:26 +00:00
d519d8ca83
Remove function printMipsSymbolRef.
...
llvm-svn: 144663
2011-11-15 18:38:35 +00:00
0dde349df1
Tidy up. 80 columns.
...
llvm-svn: 144649
2011-11-15 16:46:22 +00:00
8d1c7dbdff
Disable generation of compact unwind encodings. <rdar://problem/10441578>
...
This still seems to be causing some failures. It needs more testing before
it gets enabled again.
llvm-svn: 144543
2011-11-14 18:21:07 +00:00
52823cc91c
build: Attempt to rectify inconsistencies between CMake and LLVMBuild versions of explicit dependencies.
...
- The hope is that we have a tool/test to verify these are accurate (and tight) soon.
llvm-svn: 144444
2011-11-12 02:10:57 +00:00
c391f7ff64
Remove FIXME comment that should have been removed with r144351.
...
llvm-svn: 144392
2011-11-11 17:34:14 +00:00
f554228d82
Clients are responsible for initializing the targets, remove it from the disassembler API.
...
This will break users of the LLVMCreateDisasm API (not that I know of any). They have to call the
LLVMInitializeAll* functions from llvm-c/Target.h themselves now. edis' C API in all its horribleness
should be unaffected.
llvm-svn: 144385
2011-11-11 13:20:40 +00:00
70976ad9c2
Reenable compact unwinding now that <rdar://problem/10430076> is fixed.
...
llvm-svn: 144351
2011-11-11 01:03:50 +00:00
f311655e3f
Disable compact unwind generation until I can solve the codegen problems.
...
llvm-svn: 144346
2011-11-11 00:28:42 +00:00
b27317f7dd
build/MCDisassembler: Fix required libraries list of MCDisassembler to use
...
all-targets instead of an explicit list.
llvm-svn: 144320
2011-11-10 22:00:34 +00:00
6312682b46
Simplify code. No functionality change.
...
llvm-svn: 144186
2011-11-09 13:19:15 +00:00
5223a57533
Remove the pubnames section, no one consumes it.
...
llvm-svn: 144169
2011-11-09 05:24:07 +00:00
39674fc008
Emit the compact unwind *if* we have a compact unwind encoding.
...
*headdesk*
llvm-svn: 144138
2011-11-08 22:23:43 +00:00
5ca95bc56f
MC/COFF: Correctly emit the size of an empty string table.
...
llvm-svn: 144111
2011-11-08 19:52:32 +00:00
69d57cf9c4
Simplify some uses of utohexstr.
...
As a side effect hex is printed lowercase instead of uppercase now.
llvm-svn: 144013
2011-11-07 21:00:59 +00:00
4996c70034
Add the support code to enable the dwarf accelerator tables. Upcoming patches
...
to fix the types section (all types, not just global types), and testcases.
The code to do the final emission is disabled by default.
llvm-svn: 143923
2011-11-07 09:24:32 +00:00
20baffb257
Replace (Lower|Upper)caseString in favor of StringRef's newest methods.
...
llvm-svn: 143891
2011-11-06 20:37:06 +00:00
adc5b46782
Twinify.
...
llvm-svn: 143811
2011-11-05 13:11:25 +00:00
c74798d5cf
Add an option to pad an uleb128 to MCObjectWriter and remove the uleb128 encoding from the DWARF asm printer.
...
As a side effect we now print dwarf ulebs with .ascii directives.
llvm-svn: 143809
2011-11-05 11:52:44 +00:00
c9473e9809
Add mips ELF relocation types. Patch by Jack Carter!
...
llvm-svn: 143738
2011-11-04 22:24:36 +00:00
bf9bba47a1
build: Add initial cut at LLVMBuild.txt files.
...
llvm-svn: 143634
2011-11-03 18:53:17 +00:00
60d8516857
Replace tabs I added in this new line of code with spaces.
...
Thanks to Nick for spotting this!
llvm-svn: 143556
2011-11-02 17:56:38 +00:00
82ed3be1fb
Fixed a bug in the code to create a dwarf file and directory table entires when
...
it is separating the directory part from the basename of the FileName. Noticed
that this:
.file 1 "dir/foo"
when assembled got the two parts switched. Using the Mac OS X dwarfdump tool
it can be seen easily:
% dwarfdump -a a.out
include_directories[ 1] = 'foo'
Dir Mod Time File Len File Name
---- ---------- ---------- ---------------------------
file_names[ 1] 1 0x00000000 0x00000000 dir
...
Which should be:
...
include_directories[ 1] = 'dir'
Dir Mod Time File Len File Name
---- ---------- ---------- ---------------------------
file_names[ 1] 1 0x00000000 0x00000000 foo
llvm-svn: 143521
2011-11-01 23:39:05 +00:00
6469fc275a
First part of support for generating dwarf for assembly source files with the
...
-g flag. In this part we generate the .file for the source being assembled and
the .loc's for the assembled instructions.
The next part will be to generate the dwarf Compile Unit DIE and a dwarf
subprogram DIE for each non-temporary label.
Once the next part is done test cases will be added. rdar://9275556
llvm-svn: 143509
2011-11-01 22:27:22 +00:00
d59c0cac6c
Teach our Dwarf emission to use the string pool.
...
llvm-svn: 143097
2011-10-27 06:44:11 +00:00
6485a7991d
Trailing whitespace.
...
llvm-svn: 143071
2011-10-26 22:44:41 +00:00
1a62d78325
On an ELF system, ".debug_str" is mergeable and contains null terminated strings
...
composed of one byte characters.
llvm-svn: 143044
2011-10-26 18:44:32 +00:00
82b077ec22
This is the first of several patches for Mips direct object generation.
...
This first patch is for expression variable kinds.
Patch by Jack Carter!
llvm-svn: 142934
2011-10-25 18:13:20 +00:00
e0d0908356
Fix parsing of a line with only a # in it.
...
llvm-svn: 142537
2011-10-19 18:48:52 +00:00
40f8f2ff24
Add support for a new extension to the .file directive:
...
.file filenumber "directory" "filename"
This removes one join+split of the directory+filename in MC internals. Because
bitcode files have independent fields for directory and filenames in debug info,
this patch may change the .o files written by existing .bc files.
llvm-svn: 142300
2011-10-17 23:05:28 +00:00
cc863b2bb6
Let printf do the formatting instead aligning strings ourselves.
...
While at it, merge some format strings.
llvm-svn: 142140
2011-10-16 16:30:34 +00:00
1930b003fe
Add AsmToken::getEndLoc and use it to add ranges to x86 asm register parsing.
...
<stdin>:1:12: error: register %rax is only available in 64-bit mode
incl %rax
^~~~
llvm-svn: 142137
2011-10-16 12:10:27 +00:00
47f5e30e78
PR11143: Save the old diagnostic handler and call it when munging diagnostics for #line directives.
...
This reenables proper inline asm diagnostics in clang
llvm-svn: 142132
2011-10-16 10:48:29 +00:00
7284526aff
remove the dead 'ShowLine' argument from SMDiagnostic.
...
llvm-svn: 142108
2011-10-16 05:47:55 +00:00
03b80a4027
Make SMDiagnostic a little more sane. Instead of passing around note/warning/error as a
...
string, pass it around as an enum.
llvm-svn: 142107
2011-10-16 05:43:57 +00:00
a3a0681083
Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance
...
the X86 asmparser to produce ranges in the one case that was annoying me, for example:
test.s:10:15: error: invalid operand for instruction
movl 0(%rax), 0(%edx)
^~~~~~~
It should be straight-forward to enhance filecheck, tblgen, and/or the .ll parser to use
ranges where appropriate if someone is interested.
llvm-svn: 142106
2011-10-16 04:47:35 +00:00
4a49dee221
Disable code/data region symbols on ELF targets, where different mapping symbols are used for ARM/Thumb mode code. This should only be re-enabled once we have a solution to properly distinguish these.
...
llvm-svn: 141984
2011-10-14 20:28:57 +00:00
e7c0c499b8
Finish supporting cpp #file/line comments in assembler for error messages. So
...
for cpp pre-processed assembly we give correct filename and line numbers when
reporting errors in assembly files when using clang and -integrated-as on .s
files. rdar://8998895
llvm-svn: 141814
2011-10-12 21:38:39 +00:00
f895efaa45
Hoist vector.size() computation out of the loop. No functionality change.
...
llvm-svn: 141807
2011-10-12 20:20:48 +00:00
29e7b315ac
Also create a shndx even if there are no symbols. This lets us test
...
.symtab_shndx reading and writing together, and finally we have a testcase for
r141440.
llvm-svn: 141641
2011-10-11 03:54:50 +00:00
bed5504f5f
MCAtom extending methods need to extend the range of the atom as well.
...
llvm-svn: 141557
2011-10-10 18:09:38 +00:00
133a16871f
Don't emit the symbol table entry for the .symtab_shndx section either.
...
llvm-svn: 141440
2011-10-07 23:29:53 +00:00
c6ac5f7388
Remove extraneous curlies. No functionality change.
...
llvm-svn: 141439
2011-10-07 23:28:32 +00:00
8b02d36a23
Don't emit a shstrtabindex in the reserved range. Spotted by inspection and
...
patch by Cary Coutant!
llvm-svn: 141413
2011-10-07 20:58:24 +00:00
4eb1143038
Clarify/fix typo. No functionality change.
...
llvm-svn: 141412
2011-10-07 20:56:23 +00:00
0ca562ec4c
Teach the MC to output code/data region marker labels in MachO and ELF modes. These are used by disassemblers to provide better disassembly, particularly on targets like ARM Thumb that like to intermingle data in the TEXT segment.
...
llvm-svn: 141135
2011-10-04 23:26:17 +00:00
5dcda64338
Adding back support for printing operands symbolically to ARM's new disassembler
...
using llvm's public 'C' disassembler API now including annotations.
Hooked this up to Darwin's otool(1) so it can again print things like branch
targets for example this:
blx _puts
instead of this:
blx #-36
and includes support for annotations for branches to symbol stubs like:
bl 0x40 @ symbol stub for: _puts
and annotations for pc relative loads like this:
ldr r3, #8 @ literal pool for: Hello, world!
Also again can print the expression encoded in the Mach-O relocation entries for
things like this:
movt r0, :upper16:((_foo-_bar)+1234)
llvm-svn: 141129
2011-10-04 22:44:48 +00:00
e67a10d54d
Add definition of MipsELFObjectWriter.
...
Patch by Reed Kotler at Mips Technologies.
llvm-svn: 140891
2011-09-30 21:55:40 +00:00
f550fa9173
Sort CMakeLists.txt.
...
llvm-svn: 140465
2011-09-24 22:06:35 +00:00
64a4bf1788
PR10989: Don't print .hidden on Windows.
...
llvm-svn: 140356
2011-09-23 00:13:02 +00:00
adea3f0c01
Add new files to CMake.
...
llvm-svn: 140352
2011-09-22 23:20:48 +00:00
fbf0fba9f4
Update CMake build.
...
llvm-svn: 140347
2011-09-22 22:38:34 +00:00
6cca67fc4a
Start stubbing out MCModule and MCAtom, which provide an API for accessing the rich disassembly of a complete object or executable.
...
These are very much a work in progress, and not really useful yet.
llvm-svn: 140345
2011-09-22 22:32:22 +00:00
69fa8ffeef
In the disassembler C API, be careful not to confuse the comment streamer that the disassembler outputs annotations on with the streamer that the InstPrinter will print them on.
...
llvm-svn: 140217
2011-09-21 00:25:23 +00:00
1223416411
MCInstrAnalysis: Don't crash on instructions with no operands.
...
llvm-svn: 140027
2011-09-19 17:56:00 +00:00
a0c3b97221
Don't attach annotations to MCInst's. Instead, have the disassembler return, and the printer accept, an annotation string which can be passed through if the client cares about annotations.
...
llvm-svn: 139876
2011-09-15 23:38:46 +00:00
233f130101
The the MC disassembler C API to print in verbose mode. Perhaps there should be a parameter to request verbose mode?
...
llvm-svn: 139821
2011-09-15 18:37:20 +00:00
d1814791ad
Add support for stored annotations to MCInst, and provide facilities for MC-based InstPrinters to print them out. Enhance the ARM and X86 InstPrinter's to do so in verbose mode.
...
llvm-svn: 139820
2011-09-15 18:36:29 +00:00
ebdf32f907
Assmebler symbol attribute directives don't work on temporary symbols.
...
Assembler private local symbols aren't legal targets of symbol attributes,
so issue a diagnostic for them.
Based on patch by Stepan Dyatkovskiy.
llvm-svn: 139807
2011-09-15 17:56:49 +00:00
a9aa3c18e3
Handle missing newline at EOF more gracefully in MC AsmLexer.
...
If we see an EOF w/o a preceding end-of-line, return an EndOfStatement
token before returning the Eof token.
Based on patch by Stepan Dyatkovskiy.
llvm-svn: 139798
2011-09-15 16:52:06 +00:00
1daf07338c
Move state var to private class member.
...
llvm-svn: 139697
2011-09-14 16:37:04 +00:00
7255361320
First step in supporting #line directives in assembler. This step parses the
...
#line directives with the needed support in the lexer. Next will be to build
a simple file/line# table mapping source SMLoc's for later use by diagnostics.
And the last step will be to get the diagnostics to use the mapping for file
and line numbers.
llvm-svn: 139669
2011-09-13 23:45:18 +00:00
460be996ce
Formatting and typo.
...
llvm-svn: 139325
2011-09-08 22:17:40 +00:00
7b46bb8e32
Fix a Darwin x86_64 special case of a jmp to a temporary symbol from an atom
...
without a base symbol that must not have a relocation entry.
llvm-svn: 139316
2011-09-08 20:53:44 +00:00
4c493e8050
Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson.
...
llvm-svn: 139237
2011-09-07 17:24:38 +00:00
9803abb788
As a first step, emit both the compact unwind and CIE/FDEs for a function.
...
llvm-svn: 139152
2011-09-06 18:37:11 +00:00
5c04c62765
Darwin wants ctors/dtors to be ordered the other way round to linux.
...
llvm-svn: 139015
2011-09-02 18:07:19 +00:00
6397051ece
Don't drop alignment info on local common symbols.
...
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm
Based on a patch by NAKAMURA Takumi.
Fixes PR9337, PR9483 and PR10128.
llvm-svn: 138976
2011-09-01 23:04:27 +00:00
5ada2a7e27
Fix apparent build error caused by r138948 on certain versions of GCC with -Werror. Sorry for the inconvenience.
...
llvm-svn: 138973
2011-09-01 22:01:14 +00:00
2e2d75fb97
Fix the build for us -Werror users.
...
Remove broken emacs mode major notation marking a C++ file as C.
No functionality change.
llvm-svn: 138963
2011-09-01 21:09:04 +00:00
db4ce60328
Fix up r137380 based on post-commit review by Jim Grosbach.
...
llvm-svn: 138948
2011-09-01 18:02:14 +00:00
065c35726f
Fix C++0x narrowing errors when char is unsigned.
...
In the case of EDInstInfo, this would actually cause a bug when -1 became 255
and was then compared >=0 in llvm-mc/Disassembler.cpp.
llvm-svn: 138825
2011-08-30 20:53:29 +00:00
7113f221e2
Fix grammar, noticed by Duncan.
...
llvm-svn: 138764
2011-08-29 21:03:12 +00:00
ebab735788
Initialize CompactUnwindSection so that other targets won't use an uninitialized value.
...
llvm-svn: 138752
2011-08-29 18:25:59 +00:00
88e6d5945f
Initialize member variable.
...
llvm-svn: 138548
2011-08-25 04:04:18 +00:00
eee864520c
Some autoconf tests use module level inline asm to test compiler's handling of
...
.cfi_startproc. e.g. libffi:
$ cat confopt.c
asm (".cfi_startproc\n\t.cfi_endproc");
int main () { return 0; }
Teach MC / dwarf emission to handle these cfi directives which essentially
create an empty frame.
rdar://10017184
llvm-svn: 138504
2011-08-24 22:31:37 +00:00
2bb4035707
Move TargetRegistry and TargetSelect from Target to Support where they belong.
...
These are strictly utilities for registering targets and components.
llvm-svn: 138450
2011-08-24 18:08:43 +00:00
bd16424f91
Fix AsmParser binary precedence for shift operators.
...
rdar://9976729
llvm-svn: 138208
2011-08-20 16:24:13 +00:00
7b3379be20
Fixed a memory bug in the MCDisassembler where
...
MCParsedAsmOperand objects were being leaked.
llvm-svn: 138053
2011-08-19 18:23:06 +00:00
345768c9ff
Remove unused Target argument from AsmParser construction methods.
...
The argument is unused, and is a layering violation in any case.
llvm-svn: 137735
2011-08-16 18:33:49 +00:00
91ea511436
MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does.
...
llvm-svn: 137414
2011-08-12 01:51:29 +00:00
a317160348
Don't truncate MachO addresses.
...
Assigned symbol addresses get truncated to 32-bits, even on 64-bit platforms.
That's obviously bogus.
For example,
.globl _foo
.equ _foo, 0x987654321ULL
rdar://9922863
llvm-svn: 137158
2011-08-09 22:12:37 +00:00
1afd89ae36
Pacify virtual dtor warnings and cmake buildbots.
...
llvm-svn: 137060
2011-08-08 19:09:02 +00:00
c22d50e5c3
Add MCInstrAnalysis class. This allows the targets to specify own versions of MCInstrDescs functions.
...
- Add overrides for ARM.
- Teach llvm-objdump to use this instead of plain MCInstrDesc.
llvm-svn: 137059
2011-08-08 18:56:44 +00:00
e8baa38e79
allow \r's in .s files.
...
llvm-svn: 136908
2011-08-04 19:31:26 +00:00
dfbecd1eb7
Introduce adjustFixupOffset that adjusts the fixup offset of a relocation.
...
This is meant to be overriden by backends. Implement an override on PowerPC
which adjusts the offset by 2 for ha16/lo16 relocation kinds. This removes
a commented out hack and enables hello world to be compiled on PowerPC.
llvm-svn: 136905
2011-08-04 19:08:19 +00:00
d7facaf371
Add an assert to check that the Addend fits the file format.
...
llvm-svn: 136868
2011-08-04 13:05:26 +00:00
e4df09f7ba
Fix http://llvm.org/bugs/show_bug.cgi?id=10568
...
Move the reloc size assert into AsmBackend - where it is more apropos.
llvm-svn: 136855
2011-08-04 00:38:45 +00:00
c48e10cd54
Assume .cfi_startproc is the first thing in a function. If the function is
...
externally visable, create a local symbol to use in the CFE. If not, use the
function label itself.
Fixes PR10420.
llvm-svn: 136716
2011-08-02 20:24:22 +00:00
11a044634a
Comment out the PPC relocation offset adjustment. It must be done differently.
...
This unbreaks some tests.
llvm-svn: 136692
2011-08-02 16:15:32 +00:00
038c1a1a73
Sketch out PowerPC ELF writer. This is enough to get clang -integrated-as
...
to compile a working hello world on FreeBSD/PPC32.
llvm-svn: 136689
2011-08-02 15:51:38 +00:00
09fae1f257
I mis-interpreted the MCDisassembler's intended dependencies. Now to fix
...
them properly. Specifically, the disassembler clearly attempts to
initialiaze all TargetInfo, MCTargeDesc, AsmParser, and Disassembler
sublibraries of registered targets. This makes the CMakeLists accurately
reflect this intent in the code.
This should fix the last of the link errors that I have gotten reports
of on OS X, but if anyone continues to see link errors, continue to
pester me and I'll look into it.
llvm-svn: 136603
2011-07-31 22:00:40 +00:00
3566477679
On mac, it seems the MC disassembler is actually using the targetinfo
...
for targets that don't have an MC-ized disassembler. I'm suspicious that
this shouldn't actually be happening, but hoping to fix the CMake build
on macs first, and investigate why second.
llvm-svn: 136508
2011-07-29 20:23:34 +00:00
bc836c2c84
Fix the MCDisassembler dependencies. These were just absurdly wrong.
...
First off, only depend on the actual MC-ized disassemblers in the
targets, not all of the libraries those in turn depend on.
Second off, only depend on those MC-ized disassemblers for targets we're
building.
This should fix builds of fewer than all targets.
llvm-svn: 136455
2011-07-29 02:12:59 +00:00
9d7feab3e0
Rewrite the CMake build to use explicit dependencies between libraries,
...
specified in the same file that the library itself is created. This is
more idiomatic for CMake builds, and also allows us to correctly specify
dependencies that are missed due to bugs in the GenLibDeps perl script,
or change from compiler to compiler. On Linux, this returns CMake to
a place where it can relably rebuild several targets of LLVM.
I have tried not to change the dependencies from the ones in the current
auto-generated file. The only places I've really diverged are in places
where I was seeing link failures, and added a dependency. The goal of
this patch is not to start changing the dependencies, merely to move
them into the correct location, and an explicit form that we can control
and change when necessary.
This also removes a serialization point in the build because we don't
have to scan all the libraries before we begin building various tools.
We no longer have a step of the build that regenerates a file inside the
source tree. A few other associated cleanups fall out of this.
This isn't really finished yet though. After talking to dgregor he urged
switching to a single CMake macro to construct libraries with both
sources and dependencies in the arguments. Migrating from the two macros
to that style will be a follow-up patch.
Also, llvm-config is still generated with GenLibDeps.pl, which means it
still has slightly buggy dependencies. The internal CMake
'llvm-config-like' macro uses the correct explicitly specified
dependencies however. A future patch will switch llvm-config generation
(when using CMake) to be based on these deps as well.
This may well break Windows. I'm getting a machine set up now to dig
into any failures there. If anyone can chime in with problems they see
or ideas of how to solve them for Windows, much appreciated.
llvm-svn: 136433
2011-07-29 00:14:25 +00:00
481ebb0133
Support .code32 and .code64 in X86 assembler.
...
llvm-svn: 136197
2011-07-27 00:38:12 +00:00
2833ad13f0
Remove one last reference to Target in MC library.
...
llvm-svn: 136145
2011-07-26 20:57:44 +00:00
1142444565
Rename TargetAsmParser to MCTargetAsmParser and TargetAsmLexer to MCTargetAsmLexer; rename createAsmLexer to createMCAsmLexer and createAsmParser to createMCAsmParser.
...
llvm-svn: 136027
2011-07-26 00:24:13 +00:00
215b3fd42e
TargetAsmBackend has been renamed to MCAsmBackend.
...
llvm-svn: 136012
2011-07-25 23:28:36 +00:00
5928e69d20
Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to createMCAsmBackend.
...
llvm-svn: 136010
2011-07-25 23:24:55 +00:00
b2561029b1
Add a missing enumerator to this switch. Currently its in the
...
assert-path code, as previously we would have fallen off the end of the
function, but please review and let me know if this should go somewhere
else.
This fixes a Clang warning:
lib/MC/MCMachOStreamer.cpp:201:11: error: enumeration value 'MCSA_IndirectSymbol' not handled in switch [-Werror,-Wswitch-enum]
switch (Attribute) {
^
1 error generated.
llvm-svn: 135976
2011-07-25 21:21:08 +00:00
61faa55b74
Separate MCInstPrinter registration from AsmPrinter registration.
...
llvm-svn: 135974
2011-07-25 21:20:24 +00:00
f60768a14e
Fix last bits of MC layer issues. llvm-mc doesn't need to initialize TargetMachine's anymore.
...
llvm-svn: 135963
2011-07-25 20:53:02 +00:00
7e763d86ba
Refactor X86 target to separate MC code from Target code.
...
llvm-svn: 135930
2011-07-25 18:43:53 +00:00
38b1ed8ce2
Move some ELF directives into ELF asm parser.
...
The .local, .hidden, .internal, and .protected are not legal for all supported
file formats (in particular, they're invalid for MachO). Move the parsing for
them into the ELF assembly parser since that's the format they're for.
Similarly, .weak is used by COFF and ELF, but not MachO, so move the parsing
to the COFF and ELF asm parsers. Previously, using any of these directives
on Darwin would result in an assertion failure in the parser; now we get
a diagnostic as we should.
rdar://9827089
llvm-svn: 135921
2011-07-25 17:55:35 +00:00
1a55fa61e2
Tidy up. 80 columns.
...
llvm-svn: 135917
2011-07-25 17:11:29 +00:00
f2596bc62a
Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong.
...
llvm-svn: 135833
2011-07-23 00:45:41 +00:00
ad5f485957
Sink ARM mc routines into MCTargetDesc.
...
llvm-svn: 135825
2011-07-23 00:00:19 +00:00
8c886a40d2
Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo,
...
InitializeX86MCInstrInfo, etc. are combined into InitializeX86TargetMC.
llvm-svn: 135812
2011-07-22 21:58:54 +00:00
4d9aa512f8
Emit the __compact_unwind section first. If there are any frames which weren't
...
emitted, emit them next as CIE/FDEs.
llvm-svn: 135807
2011-07-22 21:18:59 +00:00
c3035d6657
X86 is the only target that uses coff format. This should fixes test failures running on Windows, Cygwin, or MingW hosts.
...
llvm-svn: 135639
2011-07-20 23:53:54 +00:00
bbf3b0de8b
Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc.
...
There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.
llvm-svn: 135611
2011-07-20 19:50:42 +00:00
acb9ed4077
Initialize the EHFrameSection pointer to zero.
...
This should fix the spurious buildbot errors.
llvm-svn: 135594
2011-07-20 18:13:23 +00:00
efd9b4240f
- Move CodeModel from a TargetMachine global option to MCCodeGenInfo.
...
- Introduce JITDefault code model. This tells targets to set different default
code model for JIT. This eliminates the ugly hack in TargetMachine where
code model is changed after construction.
llvm-svn: 135580
2011-07-20 07:51:56 +00:00
345b6b45c1
Include MCRegisterInfo to eliminate a compilation warning.
...
llvm-svn: 135575
2011-07-20 06:54:19 +00:00
e3063f022b
Fix the CMake build.
...
llvm-svn: 135573
2011-07-20 06:35:24 +00:00
76792992d6
Add MCObjectFileInfo and sink the MCSections initialization code from
...
TargetLoweringObjectFileImpl down to MCObjectFileInfo.
TargetAsmInfo is done to one last method. It's *almost* gone!
llvm-svn: 135569
2011-07-20 05:58:47 +00:00
2129f59637
Introduce MCCodeGenInfo, which keeps information that can affect codegen
...
(including compilation, assembly). Move relocation model Reloc::Model from
TargetMachine to MCCodeGenInfo so it's accessible even without TargetMachine.
llvm-svn: 135468
2011-07-19 06:37:02 +00:00
ada366c691
Micro-opt: Only emit compact unwind if there is a compact unwind encoding to emit.
...
llvm-svn: 135452
2011-07-19 00:09:25 +00:00
49bc680bdf
Use the CompactUnwindEncoding from the Frame, if it's defined.
...
llvm-svn: 135451
2011-07-19 00:06:12 +00:00
c438d78c38
Add a method to set compact unwind encoding information in a frame.
...
llvm-svn: 135449
2011-07-19 00:01:42 +00:00
67bc18552a
Fixed a bug where the MC subtarget information
...
wasn't being initialized by the enhanced disassembler,
leading to assertion failures.
llvm-svn: 135447
2011-07-19 00:00:41 +00:00
67c033e6b8
Move getInitialFrameState from TargetFrameInfo to MCAsmInfo (suggestions for
...
better location welcome).
llvm-svn: 135438
2011-07-18 22:29:13 +00:00
d60fa58ba1
Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down
...
to MCRegisterInfo. Also initialize the mapping at construction time.
This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.
llvm-svn: 135424
2011-07-18 20:57:22 +00:00
a83b37a9db
Move some parts of TargetAsmInfo down to MCAsmInfo. This is not the greatest
...
solution but it is a small step towards removing the horror that is
TargetAsmInfo.
llvm-svn: 135237
2011-07-15 02:09:41 +00:00
9b8605f787
Remove setting the bit for personality function. It should be set by the linker.
...
llvm-svn: 135236
2011-07-15 01:42:32 +00:00
c998f71d14
Encode that we have a personality function.
...
llvm-svn: 135227
2011-07-15 00:07:31 +00:00
1705ab00ab
Rename createAsmInfo to createMCAsmInfo and move registration code to MCTargetDesc to prepare for next round of changes.
...
llvm-svn: 135219
2011-07-14 23:50:31 +00:00
dafd598f05
* If we have an LSDA, we need to mark it in the encoding.
...
* The personality function should be encoded as an absolute pointer to the function.
llvm-svn: 135215
2011-07-14 23:34:45 +00:00
c7ac690ba2
Unfortunately several files in MC are badly violating layering rule by using
...
TargetAsmInfo, which in turn pulls in TargetRegisterInfo, etc. :-( There are
other cases of violations, but this is probably the worst.
This patch is but one small step towards fixing this. 500 more steps to go. :-(
llvm-svn: 135131
2011-07-14 05:43:07 +00:00
602aa90ab8
Update MCParsedAsmOperand debug methods.
...
Update the debug output interface for MCParsedAsmOperand to have a print()
method which takes an output stream argument, an << operator which invokes
the print method using the given stream, and a dump() method which prints
the operand to the dbgs() stream. This makes the interface more consistent
with the rest of LLVM, and more convenient to use at the debugger command
line.
llvm-svn: 135043
2011-07-13 15:34:57 +00:00
ee6e776be2
Don't emit the FDE end label if the last thing emitted was a compact unwind and
...
not the FDE
llvm-svn: 135020
2011-07-13 00:49:09 +00:00
761feb85e1
Resynchronize EDInfo.h and EDEmitter.cpp.
...
The enum names as well as order (i.e. value)
had skewed, which means that consumers of the
tablegen-ed table would see different values than
intended. Make both files have a superset of enums,
and add classification as needed for numMCOperands.
Reviewed by Owen Anderson
llvm-svn: 134905
2011-07-11 17:57:30 +00:00
c5e6d2f519
- Eliminate MCCodeEmitter's dependency on TargetMachine. It now uses MCInstrInfo
...
and MCSubtargetInfo.
- Added methods to update subtarget features (used when targets automatically
detect subtarget features or switch modes).
- Teach X86Subtarget to update MCSubtargetInfo features bits since the
MCSubtargetInfo layer can be shared with other modules.
- These fixes .code 16 / .code 32 support since mode switch is updated in
MCSubtargetInfo so MC code emitter can do the right thing.
llvm-svn: 134884
2011-07-11 03:57:24 +00:00
91111d2706
Change createAsmParser to take a MCSubtargetInfo instead of triple,
...
CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.
llvm-svn: 134795
2011-07-09 05:47:46 +00:00
15bc70f765
Fix comment.
...
llvm-svn: 134763
2011-07-08 22:49:42 +00:00
22e9d8f40e
TargetAsmParser doesn't need reference to Target.
...
llvm-svn: 134721
2011-07-08 19:33:14 +00:00
4d1ca96bfc
Eliminate asm parser's dependency on TargetMachine:
...
- Each target asm parser now creates its own MCSubtatgetInfo (if needed).
- Changed AssemblerPredicate to take subtarget features which tablegen uses
to generate asm matcher subtarget feature queries. e.g.
"ModeThumb,FeatureThumb2" is translated to
"(Bits & ModeThumb) != 0 && (Bits & FeatureThumb2) != 0".
llvm-svn: 134678
2011-07-08 01:53:10 +00:00
2f2d9cbb22
This patch adds a flag in MCAsmInfo that indicates whether dwarf register
...
numbers should be printed instead of symbolic register names in
MCAsmStreamer::EmitRegisterName. This is necessary because some versions of
GNU assembler won't accept code in which symbolic register names are used in
cfi directives. There is no change in behavior unless the flag is explicitly
set to true by a backend.
llvm-svn: 134635
2011-07-07 20:30:33 +00:00
1a72add615
Compute feature bits at time of MCSubtargetInfo initialization.
...
llvm-svn: 134606
2011-07-07 07:07:08 +00:00
b6adf46f62
Add a target hook to encode the compact unwind information.
...
llvm-svn: 134577
2011-07-07 00:54:13 +00:00
7ed5625082
Clean up the #includes.
...
llvm-svn: 134557
2011-07-06 22:52:32 +00:00
ab37af9af3
createMCInstPrinter doesn't need TargetMachine anymore.
...
llvm-svn: 134525
2011-07-06 19:45:42 +00:00
fb71f4260a
Add getFeatureBits to extract feature bits for a given CPU.
...
llvm-svn: 134298
2011-07-02 00:43:44 +00:00
54b68e3432
- Added MCSubtargetInfo to capture subtarget features and scheduling
...
itineraries.
- Refactor TargetSubtarget to be based on MCSubtargetInfo.
- Change tablegen generated subtarget info to initialize MCSubtargetInfo
and hide more details from targets.
llvm-svn: 134257
2011-07-01 20:45:01 +00:00
c88d6d402a
Eliminate one extra conversion.
...
llvm-svn: 134240
2011-07-01 16:59:30 +00:00
92da450ae7
Another misuse of StringRef. MSVC is very sensitive to that kind of error.
...
llvm-svn: 134236
2011-07-01 09:23:41 +00:00
968af4fee2
Fix use after free.
...
llvm-svn: 134234
2011-07-01 04:40:50 +00:00
d8e27a584e
Switch SubtargetFeatures from std::string to StringRef.
...
llvm-svn: 134219
2011-07-01 00:23:10 +00:00
c737ac1816
Remove tabs.
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llvm-svn: 134212
2011-06-30 23:59:38 +00:00
40cc749788
Improve comment: Show the register the DWARF label is added to.
...
llvm-svn: 134209
2011-06-30 23:47:40 +00:00
2fd8d775df
Add one more comment to the FDE verbose asm output.
...
llvm-svn: 134200
2011-06-30 22:35:49 +00:00
f166ab447e
Add comments to the FDE.
...
llvm-svn: 134196
2011-06-30 22:02:20 +00:00
e7fe47e53b
Add more comments to the ASM output for the CIE's "moves".
...
llvm-svn: 134194
2011-06-30 21:45:12 +00:00
567a1aee85
Add comments to the ASM output to help understand the compact unwind and CIE tables.
...
llvm-svn: 134191
2011-06-30 21:25:51 +00:00
fe6e405e8c
Fix the ridiculous SubtargetFeatures API where it implicitly expects CPU name to
...
be the first encoded as the first feature. It then uses the CPU name to look up
features / scheduling itineray even though clients know full well the CPU name
being used to query these properties.
The fix is to just have the clients explictly pass the CPU name!
llvm-svn: 134127
2011-06-30 01:53:36 +00:00
7517466970
* Use the proper size to output the range size.
...
* Rough in the compact encoding part.
llvm-svn: 134119
2011-06-30 00:30:52 +00:00
4cdb206e76
Stupid error: If the LSDA and Personality functions aren't there, emit 0 instead
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of the encoding.
llvm-svn: 134117
2011-06-29 23:53:16 +00:00
8fa4ada5cf
We don't want to use relocations inside the compact unwind section. Just use the
...
symbols instead.
llvm-svn: 134115
2011-06-29 23:49:12 +00:00
76346c3bf7
Asm parser range checking on .<size> <value> directives.
...
For example, ".byte 256" would previously assert() when emitting an object
file. Now it generates a diagnostic that the literal value is out of range.
rdar://9686950
llvm-svn: 134069
2011-06-29 16:05:14 +00:00
7e26682c71
Fix CMake build.
...
llvm-svn: 134055
2011-06-29 03:26:17 +00:00
8264e272a9
Sink SubtargetFeature and TargetInstrItineraries (renamed MCInstrItineraries) into MC.
...
llvm-svn: 134049
2011-06-29 01:14:12 +00:00
28fcafb502
Refactor MachO relocation generaration into the Target directories.
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Move the target-specific RecordRelocation logic out of the generic MC
MachObjectWriter and into the target-specific object writers. This allows
nuking quite a bit of target knowledge from the supposedly target-independent
bits in lib/MC.
llvm-svn: 133844
2011-06-24 23:44:37 +00:00
018970216c
tidy up whitespace.
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llvm-svn: 133815
2011-06-24 19:43:27 +00:00
3c9ede62f6
Fixup info for Thumb2 unconditional branch.
...
rdar://9667872
llvm-svn: 133808
2011-06-24 18:48:32 +00:00
7633256b9d
Tidy up.
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llvm-svn: 133770
2011-06-23 22:29:00 +00:00
61ea0e4692
Reinstate r133513 (reverted in r133700) with an additional fix for a
...
-Wshorten-64-to-32 warning in Instructions.h.
llvm-svn: 133708
2011-06-23 09:09:15 +00:00
25fbb92320
Use a reference. Don't make a useless copy of the vector.
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llvm-svn: 133707
2011-06-23 07:55:41 +00:00
a4b9d1f97b
Formatting changes. No functionality change.
...
llvm-svn: 133706
2011-06-23 07:44:54 +00:00
96513120b7
Revert r133513:
...
"Reinstate r133435 and r133449 (reverted in r133499) now that the clang
self-hosted build failure has been fixed (r133512)."
Due to some additional warnings.
llvm-svn: 133700
2011-06-23 06:24:52 +00:00
9af2fa9d1b
Use the presence of the __compact_unwind section to indicate that a target
...
supports compact unwind info instead of having a separate flag indicating this.
llvm-svn: 133685
2011-06-23 05:13:28 +00:00
e8fc92ad46
Some skeleton code to emit the compact unwind. If the information is unable to
...
be emitted in a compact way, we then default to emitting a CIE and FDE.
llvm-svn: 133676
2011-06-23 01:06:23 +00:00
21162219b4
80-column violations.
...
llvm-svn: 133668
2011-06-23 00:09:43 +00:00
eb872e0471
Move class methods out-of-line. This reduces the indentation, and is more in
...
line with LLVM's general coding style.
No functionality change.
llvm-svn: 133645
2011-06-22 21:07:27 +00:00
b3aaf95c4f
Remove the subclassing. This will be moved to the ASM printer.
...
llvm-svn: 133473
2011-06-20 22:12:24 +00:00
f7cb7ef996
Directly print to a raw_ostream instead of printing to a buffer first.
...
llvm-svn: 133352
2011-06-18 14:42:47 +00:00
3fefc65c1d
MC: Allow .common as alias for .comm assembler directive. PR10116.
...
llvm-svn: 133349
2011-06-18 13:51:54 +00:00
098321c145
* Override the "EmitBytes" function, since it can sneak values in that way.
...
* Make this used only if CFI is used.
llvm-svn: 133319
2011-06-18 00:19:35 +00:00
804e6d191b
Remove false assertion.
...
llvm-svn: 133314
2011-06-17 23:42:01 +00:00
03cb993560
Disable for another investigation.
...
llvm-svn: 133299
2011-06-17 21:44:15 +00:00
23de6d07c4
Support only DwarfCFI or SjLj exception handling in LSDA decoder.
...
llvm-svn: 133297
2011-06-17 21:31:43 +00:00
590adcbcbf
SjLj exception handling LSDA decoding support wasn't represented correctly. Use
...
the correct values, etc. In particular, the exception handling type is SjLj, not
ARM.
llvm-svn: 133296
2011-06-17 21:29:06 +00:00
cc648ad092
Disable to investigate ARM failure.
...
llvm-svn: 133293
2011-06-17 21:09:50 +00:00
b74b9de151
Use the verbose asm flag instead of a new flag for decoding the LSDA.
...
llvm-svn: 133292
2011-06-17 20:55:01 +00:00
e303114b3c
Add an option that allows one to "decode" the LSDA.
...
The LSDA is a bit difficult for the non-initiated to read. Even with comments,
it's not always clear what's going on. This wraps the ASM streamer in a class
that retains the LSDA and then emits a human-readable description of what's
going on in it.
So instead of having to make sense of:
Lexception1:
.byte 255
.byte 155
.byte 168
.space 1
.byte 3
.byte 26
Lset0 = Ltmp7-Leh_func_begin1
.long Lset0
Lset1 = Ltmp812-Ltmp7
.long Lset1
Lset2 = Ltmp913-Leh_func_begin1
.long Lset2
.byte 3
Lset3 = Ltmp812-Leh_func_begin1
.long Lset3
Lset4 = Leh_func_end1-Ltmp812
.long Lset4
.long 0
.byte 0
.byte 1
.byte 0
.byte 2
.byte 125
.long __ZTIi@GOTPCREL+4
.long __ZTIPKc@GOTPCREL+4
you can read this instead:
## Exception Handling Table: Lexception1
## @LPStart Encoding: omit
## @TType Encoding: indirect pcrel sdata4
## @TType Base: 40 bytes
## @CallSite Encoding: udata4
## @Action Table Size: 26 bytes
## Action 1:
## A throw between Ltmp7 and Ltmp812 jumps to Ltmp913 on an exception.
## For type(s): __ZTIi@GOTPCREL+4 __ZTIPKc@GOTPCREL+4
## Action 2:
## A throw between Ltmp812 and Leh_func_end1 does not have a landing pad.
llvm-svn: 133286
2011-06-17 20:35:21 +00:00
29a9d7653a
Remove a useless copy of MCELFStreamer. Patch by Logan Chien!
...
llvm-svn: 133272
2011-06-17 18:05:30 +00:00
c7e6b8fed5
Diagnostic for undefined assembler local symbols.
...
Re-apply 133010, with fixes for inline assembler.
Original commit message:
"When an assembler local symbol is used but not defined in a module, a
Darwin assembler wants to issue a diagnostic to that effect."
Added fix to only perform the check when finalizing, as otherwise we're not
done and undefined symbols may simply not have been encountered yet.
Passes "make check" and a self-host check on Darwin.
llvm-svn: 133071
2011-06-15 18:33:28 +00:00
ed1da49673
Revert 133010. Self-hosted buildbot unhappy.
...
Apparently llvm itself generates undefined assembler local labels, causing
self-hosting problems with this patch. Reverting until that's sorted out.
llvm-svn: 133013
2011-06-14 21:51:20 +00:00
627e780902
Diagnostic for undefined assembler local symbols.
...
When an assembler local symbol is used but not defined in a module, a
Darwin assembler wants to issue a diagnostic to that effect.
rdar://9559714
llvm-svn: 133010
2011-06-14 21:13:25 +00:00
4b5665a1f7
Fix emission of PPC64 assembler on non-darwin platforms by splitting
...
VK_PPC_{HA,LO}16 into darwin and gas variants.
Darwin wants {ha,lo}16(symbol) while gnu as wants symbol@{ha,l}.
llvm-svn: 132802
2011-06-09 20:25:38 +00:00
7fbe7914af
Remove an uneeded switch - Turns out reloc results are identical w/o the switch. (face+palm)
...
llvm-svn: 132790
2011-06-09 19:13:45 +00:00
384ffa9a0e
Make EmitIntValue() work properly on big-endian targets.
...
llvm-svn: 132715
2011-06-07 17:31:02 +00:00
1134ab23df
Basic support for macros with explicit arguments.
...
We still don't handle
* default values
* :req
* :vararg
* \()
llvm-svn: 132656
2011-06-05 02:43:45 +00:00
940a0ee5ca
Produce an undefined reference to _GLOBAL_OFFSET_TABLE_ if we have a
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VK_GOTOFF reloc. This matches as' behavior, but it is not clear why the linker
might need this, so I added a FIXME.
I could test this by duplicating test/MC/ELF/got.s, but it doesn't look
worthwhile.
llvm-svn: 132655
2011-06-05 01:20:06 +00:00
34fa1684e7
Add support for @GOTPTOFF in i386 mode.
...
llvm-svn: 132643
2011-06-04 17:38:07 +00:00
dac0238ed2
.cfi directive register parsing flexibility.
...
Parsing a register name/number for .cfi directives can't assume that a
register name starts with a '%' token. Be more flexible and check for a
register number instead. Still unlikely to be perfect, but it allows us
to parse both plain identifiers as register names and integers as register
numbers, which is what we're wanting to support at this point.
llvm-svn: 132466
2011-06-02 17:14:04 +00:00
d6860522b2
Don't hardcode the %reg format in the streamer.
...
llvm-svn: 132451
2011-06-02 02:34:55 +00:00
af5f23ee07
Add new -d option to tblgen. It writes a make(1)-style dependency file.
...
llvm-svn: 132395
2011-06-01 13:10:15 +00:00
08600bcf65
Use the dwarf->llvm mapping to print register names in the cfi
...
directives.
Fixes PR9826.
llvm-svn: 132317
2011-05-30 20:20:15 +00:00
03eef62db0
Add a parameter to the Win64 EH section getters to get a section with a
...
suffix (e.g. .xdata$myfunc). The suffix part isn't implemented yet, but
I'll get to it in the next patch.
Fix up all callers of the affected functions. Make them pass said suffix to
the function.
llvm-svn: 132205
2011-05-27 19:09:24 +00:00
ea5dc3a67b
Assorted fixes for Win64 EH unwind info emission:
...
- Flip order of bitfields. This gets our output matching GAS.
- Handle case where the end of the prolog wasn't specified.
- If the resulting unwind info struct is less than 8 bytes, pad to 8 bytes.
Add a test for the latter two.
llvm-svn: 132188
2011-05-27 15:10:25 +00:00
6d1c4c73a9
Start keeping track of where the various unwind instructions are in the prolog.
...
Use them to calculate the offset inside the prolog. Emit this value when
emitting the unwind codes.
llvm-svn: 132177
2011-05-27 03:25:01 +00:00
761313b28d
Add missing break statements. Align UNWIND_INFO and RUNTIME_FUNCTION structs
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to 4 bytes.
I'm surprised no one caught the missing break statements.
llvm-svn: 132176
2011-05-27 02:43:19 +00:00
a60cd577fd
My attempt at fixing the leak reported by the valgrind buildbots. Valgrind will
...
still report leaks, but they're spurious now. Valgrind cannot peer into
std::vector objects--or any dynamic array, for that matter--because it doesn't
know how big the array is.
llvm-svn: 132174
2011-05-27 02:01:08 +00:00
9dcee31aab
Fix inverted conditional in SaveReg and SaveXMM. Err when the frame pointer is
...
already defined, and err when the PushMachFrame operation isn't the first
operation (if specified at all).
llvm-svn: 132173
2011-05-27 01:42:17 +00:00
006e1c39d0
Test .seh_startchained and .seh_endchained parsing.
...
Rework how the MCWin64EHUnwindInfo instances are stored. Fix issues with
chained unwind areas exposed by the test that were related to this.
The ChainedParent field had the wrong address, because when the chained unwind
info was added, the addresses shifted around. Now we store the pointers to the
structures, which are now allocated from the MC heap.
llvm-svn: 132106
2011-05-26 02:45:47 +00:00
2f6ecea19d
Add tests for .seh_setframe and .seh_handlerdata parsing. Fix issues with
...
them.
I had to add a special SwitchSectionNoChange method to MCStreamer just for
.seh_handlerdata. If this isn't OK, please let me know, and I'll find some
other way to fix .seh_handlerdata streaming.
llvm-svn: 132084
2011-05-25 21:43:45 +00:00
828b00c0e1
Add tests for .seh_savereg and .seh_savexmm parsing. Once again, fix the
...
buggy methods that parse these directives.
llvm-svn: 132045
2011-05-25 04:51:25 +00:00
b0c4f39173
Add a test for .seh_pushframe parsing. Fix the bug exposed by it (and another
...
one I found by inspection).
llvm-svn: 132037
2011-05-25 04:08:15 +00:00
fc1e7ce850
Add a test for the .seh_handler directive. Fix problems with the parsing
...
method exposed by the test. While we're at it, simplify the .seh_proc
parsing method.
llvm-svn: 132028
2011-05-25 01:33:42 +00:00
f4ce8fde18
Test basic SEH directive-parsing functionality. Fix a latent bug exposed by
...
this test.
llvm-svn: 132004
2011-05-24 21:22:53 +00:00
7f6176c3f9
Implement the rest of the SEH directive-parsing methods in the COFFAsmParser.
...
Add a size alignment check to the .seh_stackalloc directive parser. Add a
more descriptive error message to the .seh_handler directive parser.
Add methods to the TargetAsmInfo struct in support of all this.
llvm-svn: 131992
2011-05-24 20:06:30 +00:00
bae9fee95f
Propagate error correctly in the MC Asm parser for leading '$' expressions.
...
llvm-svn: 131918
2011-05-23 20:36:04 +00:00
d9eafdcfd5
Implement .seh_stackalloc and .seh_pushframe parsing.
...
I haven't implemented any of the ones that take registers yet. The problem is
that for x86-64 the streamer methods expect a native x86 register number (note:
%r8-%r15 want 8-15 instead of 0-7; same for %xmm8-%xmm15). I haven't figured
out exactly how I want to do that yet.
llvm-svn: 131899
2011-05-23 16:43:09 +00:00
c7250faeb1
Add methods to parse the SEH directives to the COFFAsmParser. Implement some
...
of them, particularly the ones that don't take arguments. Also implement
.seh_proc and .seh_handler.
llvm-svn: 131866
2011-05-22 21:12:15 +00:00
1d068cc0b0
switch to using a smallvector to avoid allocations for most normal size instructions.
...
llvm-svn: 131837
2011-05-22 04:53:24 +00:00
0388fb0ee2
tidy some things up.
...
llvm-svn: 131836
2011-05-22 04:52:24 +00:00
bc2daa0f93
Implement emission of all Win64 exception tables. Make the COFF streamer emit
...
these tables.
llvm-svn: 131833
2011-05-22 04:15:07 +00:00
1c8bd5ad7e
Make the COFF streamer emit unwind info when processing a .seh_handlerdata
...
directive.
Implement emission of Win64 EH unwind info.
Pull in <cassert> in MCWin64EH.h so it can use the assert() macro.
llvm-svn: 131832
2011-05-22 03:01:05 +00:00
e636022b4d
Don't allow unaligned offsets and sizes in the Win64 EH directives.
...
Also, fix threshold for 'Big' register saves.
llvm-svn: 131830
2011-05-22 00:56:20 +00:00
6879634efd
Don't allow .seh_handler and .seh_handlerdata directives inside chained
...
unwind areas.
llvm-svn: 131795
2011-05-21 17:36:25 +00:00
8e8f59bdfb
A handler for a function in the Win64 EH scheme can be both an unwind handler
...
and an exception handler. Handle that case.
Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be
needed later.
llvm-svn: 131791
2011-05-21 15:57:49 +00:00
54254008ba
Set the "LastFrameInst" field when streaming a .seh_setframe directive. This
...
is needed for an upcoming patch.
llvm-svn: 131772
2011-05-21 00:09:04 +00:00
8aded86edb
No reason not to allow defining the CFA as a reg w/ offset zero.
...
llvm-svn: 131760
2011-05-20 21:50:09 +00:00
860b03b5f9
Add missing leading \t when printing .cfi_def_cfa in the asmstreamer.
...
llvm-svn: 131755
2011-05-20 21:22:37 +00:00
1866808384
fixes target address tBL and tBLX and sets relocation type
...
of tBL/tBLX to R_ARM_THM_CALL (ARM ELF 4.7.1.6)
Patch by koan-sin tan.
llvm-svn: 131748
2011-05-20 20:01:01 +00:00
9a115a4bd2
Now that they're implemented, make the Win64 EH MCAsmStreamer methods call
...
super.
llvm-svn: 131743
2011-05-20 18:19:22 +00:00
24b31b6b7d
"Implement" the HandlerData Win64 EH method in the base MCStreamer.
...
There's really nothing to implement. All this really does is swap to a
pseudo-section that later gets written to the unwind info struct. That
needs to be implemented in the object streamers.
llvm-svn: 131734
2011-05-20 16:06:22 +00:00
1edfb17bc2
Looks like OS X assemblers (including MC) don't like
...
foo:
bar = foo
.quad bar
Avoid producing it. Fixes PR9951.
llvm-svn: 131687
2011-05-19 22:05:56 +00:00
8e129296fe
Misc code refactorings:
...
* Remove unnecessary arguments now that ForceExpAbs is a method.
* Use ForceExpAbs in EmitAbsValue.
llvm-svn: 131683
2011-05-19 21:40:34 +00:00
de745ba396
Implement the EndProlog Win64 EH method on the base MCStreamer.
...
llvm-svn: 131679
2011-05-19 21:24:54 +00:00
7e6e8951af
Implement the Win64 EH prolog instruction methods on the base MCStreamer.
...
I had to change the API slightly to avoid overloading issues.
llvm-svn: 131666
2011-05-19 19:35:55 +00:00
74ba2623ce
Reapply 131644 including the missing header changes:
...
Introduce -fatal-assembler-warnings for the obvious purpose
llvm-svn: 131655
2011-05-19 18:00:13 +00:00
3e2f17499e
Revert r131644; it's breaking the build.
...
llvm-svn: 131653
2011-05-19 17:48:09 +00:00
4cd8856704
Turns out GAS does have Win64 EH directives. (It also supports WinCE EH.) Make
...
ours compatible with GAS.
In retrospect, I should have emailed binutils about this earlier. Thanks to
Kai Tietz for pointing out that GAS already had SEH directives.
llvm-svn: 131652
2011-05-19 17:46:39 +00:00
59b523169f
Introduce -fatal-assembler-warnings for the obvious purpose
...
llvm-svn: 131644
2011-05-19 17:27:01 +00:00
b4222589bf
Implement the StartChained and EndChained Win64 EH methods on MCStreamer.
...
llvm-svn: 131629
2011-05-19 04:04:13 +00:00
d991ec4e68
Implement the StartProc and EndProc Win64 EH methods on the base MCStreamer.
...
Based largely on Rafael Espindola's work on CFI. Other methods soon to follow.
llvm-svn: 131623
2011-05-19 02:49:00 +00:00
27117af772
Remove comments as Chris requested.
...
llvm-svn: 131590
2011-05-18 22:13:51 +00:00
492f87de4e
Fix an obvious typo in r131572.
...
llvm-svn: 131579
2011-05-18 21:29:07 +00:00
77e0610d7c
Add some more Win64 EH directives:
...
- StartChained and EndChained delimit a chained unwind area, which can contain
additional operations to be undone if an exception occurs inside of it.
- UnwindOnly declares that this function doesn't handle any exceptions. If it
has a handler, it's an unwind handler instead of an exception handler.
- Lsda declares the location and size of the LSDA, which in the Win64 EH
scheme is kept inside the UNWIND_INFO struct. Windows itself ignores the
LSDA; it's used by the Language-Specific Handler (the "Personality Function"
from DWARF).
llvm-svn: 131572
2011-05-18 20:54:10 +00:00
8d9c99042f
Implement the Win64 EH directive methods for the assembly language streamer.
...
GAS has no such directives (not even mingw-w64 GAS has them), so I took
creative license with their names in assembly. I prefixed them all with
"w64_" to avoid namespace collisions, for example. If I discover that GAS
has taken a different approach, I'll change ours to match.
llvm-svn: 131525
2011-05-18 04:58:05 +00:00
384041d0dc
While thinking about how to know where the functions' boundaries are for
...
the purposes of the Win64 EH tables, I realized we had no way to tell where
the function ends. (MASM bounds functions with PROC and ENDP keywords.)
Add a directive to delimit the end of the function, and rename the 'frame'
directive to more accurately reflect its duality with the new directive.
llvm-svn: 131522
2011-05-18 04:47:22 +00:00
2701815ed8
Add a method I forgot in the last commit. Don't worry, this one passed
...
self-host :).
llvm-svn: 131421
2011-05-16 21:13:58 +00:00
94c31fdd31
Add a FIXME reminder to remove ForceARMElfPIC switch.
...
llvm-svn: 131411
2011-05-16 16:35:21 +00:00
e90c1cb221
sets bit 0 of the function address of thumb function in .symtab
...
("T is 1 if the target symbol S has type STT_FUNC and the
symbol addresses a Thumb instruction ;it is 0 otherwise."
from "ELF for the ARM Architecture" 4.7.1.2)
Patch by Koan-Sin Tan!
llvm-svn: 131406
2011-05-16 16:17:21 +00:00
2f10078ae7
Fix copy-pasto.
...
llvm-svn: 131384
2011-05-15 17:28:27 +00:00
af18d07ed6
Add stub methods to MCStreamer for emitting Win64 exception-handling
...
information.
llvm-svn: 131382
2011-05-15 17:20:01 +00:00
7c6c90b35d
Remove an unused variable and move a couple others inside DEBUG.
...
llvm-svn: 131208
2011-05-11 23:34:51 +00:00
c09e726455
Address the last bit of relocation flag related divergence betweeen
...
LLVM and binutils.
With this patch, there are no functional differences between the .o
produced directly from LLVM versus the .s to .o via GNU as, for relocation tags
at least, for both PIC and non-PIC modes.
Because some non-PIC reloc tags are used (legally) on PIC, so IsPCRel flag is
necessary but not sufficient to determine whether the overall codegen mode is
PIC or not. Why is this necessary? There is an incompatibility of how relocs
are emitted in the .rodata section. Binutils PIC likes to emit certain relocs
as section relative offsets. Non-PIC does not do this.
So I added a hidden switch on the ELFObjectwriter "-arm-elf-force-pic" which
forces the objectwriter to pretend that all relocs are for PIC mode.
Todo: Activate ForceARMElfPIC to true if -relocation-model=pic is selected
on llc.
Todo: There are probably more issues for PIC mode on ARM/MC/ELF...
Todo: Existing tests in MC/ARM/elf-reloc*.ll need to be converted over to .s
tests as well as expanded to cover the gamut.
llvm-svn: 131205
2011-05-11 22:53:06 +00:00
de32fa163f
Avoid a gcc warning.
...
llvm-svn: 131161
2011-05-10 22:28:35 +00:00
99f6735532
On MachO, unlike ELF, there should be no relocation to produce the CIE pointer.
...
llvm-svn: 131149
2011-05-10 20:59:42 +00:00
2fe0ee1ce2
Rename DwarfRequiresRelocationForStmtList to
...
DwarfRequiresRelocationForSectionOffset as this is not specific to StmtList.
llvm-svn: 131148
2011-05-10 20:35:05 +00:00
d0d2354258
The EH symbols are only needed in eh_frame, not debug_frame.
...
llvm-svn: 131146
2011-05-10 19:51:53 +00:00
27390b4a0e
In a debug_frame the cfi offset is to the start of the debug_frame section!
...
llvm-svn: 131129
2011-05-10 15:20:23 +00:00
ec53aa9485
Add CFIStartSections to the asm printer. Add an assert that at least
...
one of the sections is created.
llvm-svn: 131124
2011-05-10 13:39:48 +00:00
1ecb12fc57
Add support for producing .deubg_frame sections.
...
llvm-svn: 131121
2011-05-10 03:54:12 +00:00
b6444c0401
Small cleanups.
...
llvm-svn: 131120
2011-05-10 03:26:21 +00:00
b6089d6cac
Factor some code into a new EmitFrames method.
...
llvm-svn: 131119
2011-05-10 03:14:15 +00:00
0e130d1d37
Remove unused argument.
...
llvm-svn: 131118
2011-05-10 03:01:39 +00:00
74b101f3e3
Parsing and plumbing for .cfi_sections.
...
llvm-svn: 131117
2011-05-10 01:10:18 +00:00
392445823d
Eliminate an unused line to fix a warning.
...
llvm-svn: 131078
2011-05-08 23:19:04 +00:00
ab39c63538
Don't force relaxation of AdvanceLoc instructions on OS X. gdb is happy with
...
the smaller encoding and this cuts 270336 bytes from a release version of
clang and 1246272 bytes from a debug build.
llvm-svn: 131067
2011-05-08 14:35:21 +00:00
bcabcdcedd
Switch Darwin to the generic CIE/FDE printer.
...
llvm-svn: 131031
2011-05-06 22:29:04 +00:00
a716096677
Dead code elimination.
...
llvm-svn: 130984
2011-05-06 14:56:22 +00:00
a4982bddf3
Don't produce a __debug_frame.
...
I tested both gdb on a bootstrapped clang and and the gdb testsuite on OS X (snow leopard)
and both are happy using __eh_frame.
llvm-svn: 130937
2011-05-05 18:43:39 +00:00
a75589171a
Producing a DW_FORM_addr for DW_AT_stmt_list is probably correct, but
...
it is both inefficient and unexpected by dwarfdump. Change to
a DW_FORM_data4.
While in here, change the predicate name to reflect that the position
is not really absolute (it is an offset), just that the linker needs a
relocation.
llvm-svn: 130846
2011-05-04 17:44:06 +00:00
f6daf94ab2
MCDwarf: Don't save Twine to local variable, this is almost never safe to do
...
(and should thus never be done).
- Should fix a crash on win32.
llvm-svn: 130793
2011-05-03 21:33:37 +00:00
fc8223670a
Add r130623 back now that ELF has been fixed to work with -fno-dwarf2-cfi-asm.
...
llvm-svn: 130658
2011-05-01 15:44:13 +00:00
750cb61553
GCC uses a different encoding of pointers in the FDE when using
...
-fno-dwarf2-cfi-asm. Implement the same behavior.
llvm-svn: 130637
2011-05-01 04:49:54 +00:00
fd05785324
Simplify the handling of pcrel relocations on ELF. Now we do the right thing
...
for all symbol differences and can drop the old EmitPCRelSymbolValue
method.
This also make getExprForFDESymbol on ELF equal to the one on MachO, and it
can be made non-virtual.
llvm-svn: 130634
2011-05-01 03:50:49 +00:00
b7c2286055
Revert the previous patch while I figure out how to make llvm-gcc
...
less agressive about disabling cfi on linux :-(
llvm-svn: 130626
2011-04-30 23:03:44 +00:00
5265bc483e
Enable CFI on OS X.
...
Currently the output should be almost identical to the one produced by CodeGen
to make the transition easier.
The only two differences I know of are:
* Some files get an extra advance loc of size 0. This will be fixed when
relaxations are enabled.
* The optimization of declaring an EH symbol as an external variable is not
implemented. This is a subset of adding the nounwind attribute, so we if really
this at -O0 we should probably do it at the IL level.
llvm-svn: 130623
2011-04-30 22:29:54 +00:00
bde52bca69
Implement MCAsmStreamer::EmitEHSymAttributes. Doing this in the asm streamer
...
is a bit ugly, but doing it on the base MCStreamer would be redundant
with the object streamer which does it using SD.
llvm-svn: 130611
2011-04-30 16:34:57 +00:00
0b474c2d15
Handle PrivateExtern eh symbols.
...
llvm-svn: 130609
2011-04-30 16:22:46 +00:00
a3181d12c6
Add all the plumbing needed for MC to expand cfi to the old tables in
...
the final assembly. It is the same technique used when targeting
assemblers that don't support .loc.
llvm-svn: 130587
2011-04-30 03:44:37 +00:00
1d1eced025
Implement MCAsmStreamer::EmitDwarfAdvanceFrameAddr.
...
llvm-svn: 130585
2011-04-30 03:21:04 +00:00
6a85f9b42e
Avoid some uses of .uleb128. This is a small speedup and more importantly
...
lets this code be used when producing assembly code for old assemblers without
uleb support.
llvm-svn: 130544
2011-04-29 21:50:57 +00:00
6c961e1b75
Implement MCAsmStreamer::EmitCFIDefCfa.
...
llvm-svn: 130543
2011-04-29 21:41:06 +00:00
72032861c6
MCAsmLayout: Add support for computing the symbol offset of variables. Not
...
currently used, because variables don't get reported as being "defined".
llvm-svn: 130524
2011-04-29 18:20:20 +00:00
bea7b93c88
MC: Change variable symbols to be recognized as defined, by assigning their sections based on FindAssociatedSection().
...
llvm-svn: 130523
2011-04-29 18:20:17 +00:00
b200f93125
MC/Mach-O: Update getSymbolAddress() to support evaluation of variables.
...
llvm-svn: 130522
2011-04-29 18:13:42 +00:00
29ba55cfe4
MC/Mach-O: Allow emission of relocations for variables in some more cases.
...
llvm-svn: 130520
2011-04-29 18:10:47 +00:00
b9c2b6c50d
MC/Mach-O: Find section ordinal's by looking at the symbol, instead of assuming they are present in a fragment.
...
llvm-svn: 130519
2011-04-29 18:07:43 +00:00
124ae13421
Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries.
...
PR 9810
llvm-svn: 130518
2011-04-29 18:00:54 +00:00
dc3e4cc5ed
MCExpr: Add FindAssociatedSection, which attempts to mirror the 'as' semantics
...
that associate sections with expressions.
llvm-svn: 130517
2011-04-29 18:00:03 +00:00
1bf128eaeb
MC/AsmParser: Generalize a check.
...
llvm-svn: 130515
2011-04-29 17:53:11 +00:00
68067664c3
Last bit by bit compatibility patch to MCDwarf.cpp: If a FDE with no LSDA is
...
assigned to a CIE that requires one, just output a 0.
llvm-svn: 130472
2011-04-29 03:06:29 +00:00
7c7151512c
Add an alternative implementation of CIE and FDE emission that outputs them
...
in the same order as the one in CodeGen.
llvm-svn: 130471
2011-04-29 02:42:28 +00:00
6bd6a70837
Add the getExprForFDESymbol method that responsible for computing the
...
expressions used in the FDE to refer to symbols.
llvm-svn: 130437
2011-04-28 21:04:39 +00:00
c5dac4df2e
Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it when
...
converting the symbol passed to .cfi_personality into bytes is the file.
llvm-svn: 130400
2011-04-28 16:09:09 +00:00
349c3298da
Mark the EH symbol global or weak if the corresponding function is.
...
llvm-svn: 130397
2011-04-28 12:50:37 +00:00
2eeee8cfef
Add a small temporary hack for producing identical eh_frame sections on OS X.
...
This removes one of the main advantages of moving eh_frame to MC, but
makes the transition a lot easier to debug (run md5).
llvm-svn: 130379
2011-04-28 04:04:14 +00:00
bf60fb0a37
Produce the EH_frame# symbols if needed.
...
llvm-svn: 130378
2011-04-28 03:26:11 +00:00
96b07932a3
Forward isFunctionEHFrameSymbolPrivate. If it is false, produce the foo.eh
...
symbols.
llvm-svn: 130375
2011-04-28 02:46:42 +00:00
27c0c9bb87
Factor a bit of code to MCStreamer::EmitLabel. Keep track of the last
...
non private symbol. This will be use for handling
foo:
.cfi_startproc
...
On OS X where we have to create a foo.eh symbol.
llvm-svn: 130305
2011-04-27 15:21:19 +00:00
ae124da625
Force some values to be absolute and align based on the FDE pointers size. A small
...
step towards using .cfi_* on OS X.
llvm-svn: 130273
2011-04-27 01:43:49 +00:00
3584ab6cc6
No relocation produces a SLEB or ULEB, make sure they are handled in MC.
...
llvm-svn: 130181
2011-04-26 02:17:58 +00:00
1b86ea80bb
Give MC/MCDisassembler/Disassembler.h a header guard.
...
llvm-svn: 130096
2011-04-24 15:46:56 +00:00
1a180156b6
Remove unused STL header includes.
...
llvm-svn: 130068
2011-04-23 19:53:52 +00:00
bab81b9797
Delete the other unused variable in this function. Sorry I missed this
...
the first time through.
llvm-svn: 129969
2011-04-22 01:29:18 +00:00
ea41470726
Remove an unused variable from a function. This is a likely cut-paste-o.
...
Silences GCC warning.
I wonder why Clang doesn't warn on this...
llvm-svn: 129968
2011-04-22 01:21:06 +00:00
5395f44fe8
Compute the size of the FDE encoding instead of hard coding it. Update
...
X8664_ELFTargetObjectFile::getFDEEncoding to match reality.
llvm-svn: 129959
2011-04-22 00:08:43 +00:00
6aea59268a
Remove unused argument.
...
llvm-svn: 129955
2011-04-21 23:39:26 +00:00
ea61f22dd3
Don't pass address spaces to EmitULEB128IntValue.
...
llvm-svn: 129953
2011-04-21 23:26:40 +00:00
c3dc486752
Fix relative relocations. This is sufficient for running the rust testsuite with
...
MC :-)
llvm-svn: 129923
2011-04-21 18:36:50 +00:00
ed16477cb9
Behave like gnu as when a relocation crosses sections.
...
llvm-svn: 129850
2011-04-20 14:01:45 +00:00
d897f39797
Made the MC disassembler check before accessing
...
MCInst operands for ARM. This allows it to be
more tolerant of malformed MCInsts or incorrect
instruction metadata.
llvm-svn: 129840
2011-04-20 00:43:34 +00:00
b2545fbc2a
malloc elimination: it's a bad idea to use raw_svector_ostream on a
...
small heap-allocated SmallString because it unconditionally forces a malloc.
(Revised version of r129688, with the necessary flush() call.)
llvm-svn: 129716
2011-04-18 20:54:46 +00:00
17740e70d5
Reduce clutter in asm output. Do not emit source location as comment for each instruction.
...
llvm-svn: 129715
2011-04-18 20:26:49 +00:00
3f8ecf5cc5
Revert r129688; it's breaking buildbots.
...
llvm-svn: 129689
2011-04-18 05:54:54 +00:00
2dc287a147
More malloc elimination: it's a bad idea to use raw_svector_ostream on a
...
small heap-allocated SmallString because it unconditionally forces a malloc.
llvm-svn: 129688
2011-04-18 05:38:58 +00:00
0e40208d7b
Make the StringMaps attached to MCContext use the MCContext's allocator;
...
reduces the number of calls to malloc().
llvm-svn: 129687
2011-04-18 05:02:31 +00:00
0ab5e2cded
Fix a ton of comment typos found by codespell. Patch by
...
Luis Felipe Strano Moraes!
llvm-svn: 129558
2011-04-15 05:18:47 +00:00
539d96f01d
Be consistent about being virtual and returning void in the cfi methods.
...
Implement the ones that were missing in the asm streamer.
llvm-svn: 129413
2011-04-12 23:59:07 +00:00
fd794affe5
Remove LastOffset from the asm parser.
...
llvm-svn: 129378
2011-04-12 18:53:30 +00:00
1ec0f46169
Fix the case of a .cfi_rel_offset before any .cfi_def_cfa_offset.
...
llvm-svn: 129362
2011-04-12 16:12:03 +00:00
2e1c9d2188
Implement .cfi_same_value.
...
llvm-svn: 129361
2011-04-12 15:31:05 +00:00
ffc0e1f6e6
Match case for invalid constant error messages and add a new
...
test for invalid hexadecimals.
llvm-svn: 129326
2011-04-12 00:18:03 +00:00
104af0619e
To avoid printing out multiple error messages for cases like:
...
.long 80+08
go ahead and assume that if we've got an Error token that we handled it
already. Otherwise if it's a token we can't handle then go ahead and
return the default error.
llvm-svn: 129322
2011-04-12 00:03:13 +00:00
64749f2a89
Lex, and then fail on invalid constants.
...
Testcase forthcoming.
rdar://8490596
llvm-svn: 129309
2011-04-11 22:24:56 +00:00
82065cb6cf
Implement cfi_rel_offset
...
llvm-svn: 129306
2011-04-11 21:49:50 +00:00
ffd2e5163b
implement .cfi_adjust_cfa_offset.
...
llvm-svn: 129296
2011-04-11 20:29:16 +00:00
9377a52c12
Adding support for printing operands symbolically to llvm's public 'C'
...
disassembler API. Hooked this up to the ARM target so such tools as Darwin's
otool(1) can now print things like branch targets for example this:
blx _puts
instead of this:
blx #-36
And even print the expression encoded in the Mach-O relocation entried for
things like this:
movt r0, :upper16:((_foo-_bar)+1234)
llvm-svn: 129284
2011-04-11 18:08:50 +00:00
26e7768f38
Fix potential buffer overflow on win32.
...
llvm-svn: 129214
2011-04-09 14:06:12 +00:00
2b6c96b43d
Don't store Twine temporaries, it's not safe.
...
And don't append the name over and over again in the loop.
llvm-svn: 129210
2011-04-09 11:26:27 +00:00
1426351c83
Redirected errors from the AsmParser to the proper
...
error stream, in cases where the AsmParser is
being invoked by EDDisassembler. Before, they
were being sent to errs() because no error handler
was installed in the SourceMgr.
llvm-svn: 129177
2011-04-09 00:37:25 +00:00
b80875edee
Micro optimization and improved similarity with gas' output:
...
When two section names share a suffix, reuse the entry in shstrtab.
llvm-svn: 129115
2011-04-07 23:21:52 +00:00
88bc341061
Add support for .skip.
...
Patch by Roman Divacky.
Fixes PR9361.
llvm-svn: 129106
2011-04-07 20:26:23 +00:00
6c6be946fc
Fixed a bug where missing EDInstInfo would cause
...
tokenization to crash and burn.
llvm-svn: 129051
2011-04-07 01:56:01 +00:00
e59f8ca49e
An MCDisassembler has the option to not implement
...
getEDInfo(), in which case this code would dereference
NULL. EDInst can already handle NULL info, so avoid
the dereference and pass NULL through.
Reviewed by Sean Callanan
llvm-svn: 128904
2011-04-05 18:40:45 +00:00
5bbe957155
Added support symbolic floating point constants in the MC assembler for Infinity
...
and Nans with the same strings as GAS supports. rdar://8673024
llvm-svn: 128488
2011-03-29 21:11:52 +00:00
3cf622a832
Fix the MSVC build.
...
llvm-svn: 128441
2011-03-29 00:30:01 +00:00
4ee0d03274
MC: Add support for disabling "temporary label" behavior. Useful for debugging
...
on Darwin.
llvm-svn: 128430
2011-03-28 22:49:15 +00:00
2d45693446
Unbreak CMake build.
...
llvm-svn: 128426
2011-03-28 20:43:53 +00:00
f3070dc40d
Again adding a C API to the disassembler for use by such tools as Darwin's
...
otool(1), this time with the needed fix for case sensitive file systems :) .
This is a work in progress as the interface for producing symbolic operands is
not done. But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer. These APIs will be
moved into a dynamic library at some point.
llvm-svn: 128415
2011-03-28 18:25:07 +00:00
af66980d8a
Fix whitespace.
...
llvm-svn: 128370
2011-03-27 01:44:40 +00:00
d077a857cc
Remove the files for r128308 as it is causing a buildbot failure.
...
llvm-svn: 128309
2011-03-26 00:23:05 +00:00
c8b4078654
Adding a C API to the disassembler for use by such tools as Darwin's otool(1).
...
This is a work in progress as the interface for producing symbolic operands is
not done. But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer. These APIs will be
moved into a dynamic library at some point.
llvm-svn: 128308
2011-03-26 00:06:33 +00:00
6f4c9425eb
MC: Improve some diagnostics on uses of '.' pseudo-symbol.
...
llvm-svn: 128289
2011-03-25 17:47:17 +00:00
3f56104be1
Tidyness.
...
llvm-svn: 128288
2011-03-25 17:47:14 +00:00
f170f8bff6
Add asm parsing support w/ testcases for strex/ldrex family of instructions
...
llvm-svn: 128236
2011-03-24 21:04:58 +00:00
a3df87fb01
Clean up assembly statement separator support.
...
The MC asm lexer wasn't honoring a non-default (anything but ';') statement
separator. Fix that, and generalize a bit to support multi-character
statement separators.
llvm-svn: 128227
2011-03-24 18:46:34 +00:00
ab234158b8
Fix a bug introduced by my patch yesterday: BL is a 4-byte instructions like BLX, rather than a 2-byte instruction like B.
...
llvm-svn: 128169
2011-03-23 21:19:56 +00:00
6149a34102
RIT_ARM_ThumbBranch32Bit relocations are not used and should never be generated.
...
This fixes kimwitu++, bullet, and tramp3dv4 with the ARM integrated assembler.
Fixes <rdar://problem/9165738>.
llvm-svn: 128117
2011-03-22 22:52:54 +00:00
9746286bec
Add support for Thumb interworking addresses for symbol offsets that get constant folded very early.
...
This fixes SPASS with -integrated-as. <rdar://problem/9165399>
llvm-svn: 128037
2011-03-21 23:13:43 +00:00
00f0cddfd4
We need to pass the TargetMachine object to the InstPrinter if we are printing
...
the alias of an InstAlias instead of the thing being aliased. Because we need to
know the features that are valid for an InstAlias.
This is part of a work-in-progress.
llvm-svn: 127986
2011-03-21 04:13:46 +00:00
1557fd6d39
Write the section table and the section data in the same order that
...
gun as does. This makes it a lot easier to compare the output of both
as the addresses are now a lot closer.
llvm-svn: 127972
2011-03-20 18:44:20 +00:00
12d5312622
Reapply 127939 since Daniel fixed the breakage. <rdar://problem/9012638>
...
llvm-svn: 127944
2011-03-19 02:42:31 +00:00
08b4daa191
Revert 127939. <rdar://problem/9012638>
...
llvm-svn: 127943
2011-03-19 02:33:56 +00:00
83d4a28d1f
Revise r126127 to address Daniel's comments. <rdar://problem/9012638>
...
llvm-svn: 127939
2011-03-19 01:32:01 +00:00
f1d62cfc8f
MC/Mach-O: Fix regression introduced in r126127, this assignment shouldn't have
...
been removed.
llvm-svn: 127812
2011-03-17 16:25:24 +00:00
07de07eeea
Fix handling of @IDNTPOFF relocations, they need to get STT_TLS.
...
While here, add VK_ARM_TPOFF and VK_ARM_GOTTPOFF, too.
llvm-svn: 127780
2011-03-17 00:35:10 +00:00
c2631d26c0
Silence compiler warning about case values not being in the enumerated type
...
MCFixupKind. This is the same technique that is used elsewhere in MC.
llvm-svn: 127676
2011-03-15 08:54:51 +00:00
47f660aeaf
Fixed the comparison operator for the enhanced
...
disassembler's disassembler map.
llvm-svn: 127527
2011-03-12 03:27:54 +00:00
745fc89f62
Add constructors to MCElfStreamer and MCObjectStreamer to take an extra MCAssembler * argument.
...
llvm-svn: 127343
2011-03-09 17:33:05 +00:00
14be61aeee
Darwin 'as' silently ignores the '.ident' directive.
...
llvm-svn: 127258
2011-03-08 19:17:19 +00:00
e7410dd0d5
Preliminary support for ARM frame save directives emission via MI flags.
...
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.
llvm-svn: 127101
2011-03-05 18:43:32 +00:00
a7ec2dcefd
Some first rudimentary support for ARM EHABI: print exception table in "text mode".
...
llvm-svn: 127099
2011-03-05 18:43:15 +00:00
62f759791a
Be nice to Xcore and the XMOS assembler and avoid quoting section names
...
that contain only letters, digits and the characters "_" and ".".
llvm-svn: 127028
2011-03-04 20:03:14 +00:00
852ab890b5
Bug#9033: For the ELF assembler output, always quote the section name.
...
llvm-svn: 126963
2011-03-03 22:31:08 +00:00
771911e28b
Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that other components can use them.
...
llvm-svn: 126942
2011-03-03 14:52:12 +00:00
d92d17bf67
PR9352: Always emit a relocation for weak symbols. Not emitting relocations
...
for calls to weak symbols with a definition has the appearance of working
with LLVM-generated code because weak symbol definitions are put in their
own sections.
llvm-svn: 126933
2011-03-03 07:24:36 +00:00
98a3c80a3e
Fixes warnings emitted by Visual Studio 2010 compiler.
...
Patch by Erik Olofsson!
llvm-svn: 126796
2011-03-01 23:11:57 +00:00
30a52dec93
Make all static functions become static class methods. Move shared (duplicated) functions to new MCELF class.
...
llvm-svn: 126686
2011-02-28 21:45:04 +00:00
fcf51fd298
Roll out r126425 and r126450 to see if it fixes the failures on the buildbots.
...
llvm-svn: 126488
2011-02-25 16:30:32 +00:00
afb36fad99
Restore r125595 (reverted in r126336) with modifications:
...
Introduce a variable in the AsmParserExtension whether [] is valid in an
expression. If it is true, parse them like (). Enable this for ELF only.
llvm-svn: 126443
2011-02-24 21:59:22 +00:00
b037383a35
Enable DebugInfo support for COFF object files.
...
Patch by Nathan Jeffords!
llvm-svn: 126425
2011-02-24 21:04:00 +00:00
c053644217
Plug some leaks in edis.
...
- Don't leak parsed operands during tokenization.
- Don't leak printed insts in llvm-mc.
llvm-svn: 126381
2011-02-24 11:03:19 +00:00
0c03a3a146
Revert r125595, which is an X86-only undocumented assembly syntax extension
...
enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.
Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.
llvm-svn: 126336
2011-02-23 21:26:51 +00:00
9e18e96264
Put in the symbol table symbols only used in a .globl statement.
...
Fixes PR9292.
llvm-svn: 126330
2011-02-23 20:22:07 +00:00
34770edf43
Fixed a bug in the enhanced disassembler that caused
...
it to ignore valid uses of FS and GS as additional
base registers in address computations. Added a test
case for this.
llvm-svn: 126302
2011-02-23 03:31:28 +00:00
bf83659d11
Omit private_extern declarations of extern symbols; followup to
...
r124468. Patch by Rafael Avila de Espindola!
llvm-svn: 126297
2011-02-23 02:27:05 +00:00
4f864d3111
Bug#9172: Don't use static in file scope, use an attribute on the
...
parser.
llvm-svn: 126225
2011-02-22 16:53:11 +00:00
37d5484d18
Handle FK_PCRel_1 and add a test case for this and FK_PCRel_4.
...
llvm-svn: 126157
2011-02-21 23:25:41 +00:00
d7927e0fcd
End the line if we return early. Radar 9012638.
...
llvm-svn: 126141
2011-02-21 21:07:07 +00:00
b4863a41e9
Fix to correctly support attribute((section("__DATA, __common"))).
...
Radar 9012638.
llvm-svn: 126127
2011-02-21 17:27:17 +00:00
eef2f9009d
Use a vector of pairs to implement the section stack, not two
...
independent vectors.
llvm-svn: 126099
2011-02-21 01:07:42 +00:00
f849bf81bd
Add some limited support for labels in org directives. Hopefully enough to fix
...
PR9245.
llvm-svn: 126091
2011-02-20 20:20:07 +00:00
5ed962656c
Move library stuff out of the toplevel CMakeLists.txt file.
...
llvm-svn: 125968
2011-02-18 22:06:14 +00:00
490d02a334
Gas is very inconsistent about when a relaxation/relocation is needed. Do
...
the right thing and stop trying to copy it. Fixes PR8944.
llvm-svn: 125648
2011-02-16 03:25:55 +00:00
58ac6e1677
Add support for pushsection and popsection. Patch by Joerg Sonnenberger.
...
llvm-svn: 125629
2011-02-16 01:08:29 +00:00
4e0f4957bc
Add support for parsing [expr].
...
This is submitted by Joerg Sonnenberger and fixes his PR8685.
llvm-svn: 125595
2011-02-15 20:43:39 +00:00
70d8015063
Switch llvm to using comdats. For now always use groups with a single
...
section.
llvm-svn: 125526
2011-02-14 22:23:49 +00:00
85bc995c5b
Move broken HasCommonSymbols to ELFWriter.cpp.
...
llvm-svn: 125490
2011-02-14 16:51:08 +00:00
01af6c4641
More whitespace cleanup...
...
llvm-svn: 125388
2011-02-11 19:05:56 +00:00
fd3e83953f
Fix comparator used for looking up previously instantiated EDDisassemblers.
...
Now, Syntax is only used as a tie-breaker if the Arch
matches. Previously, a request for x86_64 disassembler followed by the
i386 disassembler in a single process would return the cached x86_64
disassembler. Fixes <rdar://problem/8958982>
llvm-svn: 125215
2011-02-09 21:03:19 +00:00
7b7caf51e9
Support for .ifdef / .ifndef in the assembler parser. Patch by Joerg Sonnenberger.
...
llvm-svn: 125120
2011-02-08 22:29:56 +00:00
202630c6ee
Teach ARM/MC/ELF about gcc compatible reloc output to get past odd linkage
...
failures with relocations.
The code committed is a first cut at compatibility for emitted relocations in
ELF .o.
Why do this? because existing ARM tools like emitting relocs symbols as
explicit relocations, not as section-offset relocs.
Result is that with these changes,
1) relocs are now substantially identical what to gcc outputs.
2) larger apps (including many spec2k tests) compile, cross-link, and pass
Added reminder fixme to tests for future conversion to .s form.
llvm-svn: 124996
2011-02-07 01:11:15 +00:00
4761fba833
Teach ARM/MC/ELF about EF_ARM_EABI_VERSION. The magic number is set to
...
5 to match the current doc.
Added FIXME reminder Make it really configurable later.
llvm-svn: 124899
2011-02-04 21:41:11 +00:00
d2e2f56c36
Teach ARM/MC/ELF to handle R_ARM_JUMP24 relocation type for conditional jumps.
...
(yes, this is different from R_ARM_CALL)
- Adds a new method getARMBranchTargetOpValue() which handles the
necessary distinction between the conditional and unconditional br/bl
needed for ARM/ELF
At least for ARM mode, the needed fixup for conditional versus unconditional
br/bl is identical, but the ARM docs and existing ARM tools expect this
reloc type...
Added a few FIXME's for future naming fixups in ARMInstrInfo.td
llvm-svn: 124895
2011-02-04 19:47:15 +00:00
813bdf6e58
Do not sign extend floating-point values in the asm parser.
...
llvm-svn: 124831
2011-02-03 23:17:47 +00:00
dfc85ed01e
Fix bogus assert condition noticed by Csaba Raduly.
...
llvm-svn: 124645
2011-02-01 01:50:49 +00:00
9a58919c8e
Enumerate .code16/32/64 instead of checking .code prefix. This
...
unbreaks some ARM tests.
llvm-svn: 124608
2011-01-31 21:19:43 +00:00
bd59dff739
Error on all .code* directives instead of just .code16 as they
...
all lead to a silent miscompilation of code.
llvm-svn: 124603
2011-01-31 20:56:49 +00:00
cd9ae95ae7
Error on .code16 instead of producing wrong (32bit) code.
...
llvm-svn: 124498
2011-01-28 19:29:48 +00:00
7e9e290952
Add support for parsing .float
...
llvm-svn: 124485
2011-01-28 14:20:32 +00:00
4ada0d9164
PR8951: Support for .equiv in integrated assembler, patch by Jörg Sonnenberger!
...
llvm-svn: 124467
2011-01-28 03:04:41 +00:00
ed5efb4053
Add support for specifying register name in cfi-register/offset/def
...
as well as register number.
llvm-svn: 124379
2011-01-27 17:16:37 +00:00
cdbf17b179
Add support for parsing a Real value. It stores the Real value as its binary
...
encoding. It's up to the individual back-ends to convert it to their preferred
representation when printing.
llvm-svn: 124229
2011-01-25 21:26:41 +00:00
689939e648
Handle strings in section names the same way as gas:
...
* If the name is a single string, we remove the quotes
* If the name starts without a quote, we include any quotes in the name
llvm-svn: 124127
2011-01-24 18:02:54 +00:00
b3eca9bb71
Add support for the --noexecstack option.
...
llvm-svn: 124077
2011-01-23 17:55:27 +00:00
8bac423ddb
Add support for lowercase variants.
...
llvm-svn: 124071
2011-01-23 16:11:25 +00:00
4b7b7fba38
Delay the creation of eh_frame so that the user can change the defaults.
...
Add support for SHT_X86_64_UNWIND.
llvm-svn: 124059
2011-01-23 05:43:40 +00:00
0e7e34e476
Remove more duplicated code.
...
llvm-svn: 124056
2011-01-23 04:43:11 +00:00
aea4958ea6
Remove duplicated code.
...
llvm-svn: 124054
2011-01-23 04:28:49 +00:00
493c0fbde8
Make sure to propogate the error code when we fail to parse a modifier.
...
llvm-svn: 123857
2011-01-19 23:06:07 +00:00
e2bea1c82e
Use common style for .cfi directives
...
llvm-svn: 123472
2011-01-14 21:57:39 +00:00
d4a5c05c97
Completed :lower16: / :upper16: support for movw / movt pairs on Darwin.
...
- Fixed :upper16: fix up routine. It should be shifting down the top 16 bits first.
- Added support for Thumb2 :lower16: and :upper16: fix up.
- Added :upper16: and :lower16: relocation support to mach-o object writer.
llvm-svn: 123424
2011-01-14 02:38:49 +00:00
52899a9c34
Add comment about Thumb2 fixup comments being completely bogus.
...
llvm-svn: 123411
2011-01-13 23:27:39 +00:00
0447d30939
Relax an assertion. On archs like ARM, an immediate field may be scattered. So it's possible for some bits of every 8 bits to be encoded already, and the rest still needs to be fixed up.
...
llvm-svn: 123403
2011-01-13 21:45:26 +00:00
965b3c7323
Model :upper16: and :lower16: as ARM specific MCTargetExpr. This is a step
...
in the right direction. It eliminated some hacks and will unblock codegen
work. But it's far from being done. It doesn't reject illegal expressions,
e.g. (FOO - :lower16:BAR). It also doesn't work in Thumb2 mode at all.
llvm-svn: 123369
2011-01-13 07:58:56 +00:00
39e36e7ab4
Style clean up - break up the breaks.
...
llvm-svn: 123347
2011-01-13 00:07:51 +00:00
9c5b65d289
1. Support ELF pcrel relocations for movw/movt:
...
R_ARM_MOVT_PREL and R_ARM_MOVW_PREL_NC.
2. Fix minor bug in ARMAsmPrinter - treat bitfield flag as a bitfield, not an enum.
3. Add support for 3 new elf section types (no-ops)
llvm-svn: 123294
2011-01-12 00:19:25 +00:00
2f93128109
Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
...
llvm-svn: 123170
2011-01-10 12:39:04 +00:00
3686473578
Fix PR8878.
...
llvm-svn: 122658
2011-01-01 19:05:35 +00:00
570dd787a6
Make a bunch of symbols internal.
...
llvm-svn: 122642
2010-12-30 22:34:44 +00:00
ab14a6f174
MC/Mach-O/Thumb: Set the thumb bit in the symbol table.
...
llvm-svn: 122630
2010-12-29 14:14:06 +00:00
46a5b05207
Correctly encode pcrel|indirect.
...
llvm-svn: 122624
2010-12-29 04:31:26 +00:00
2ae93b2c9c
Remove second return.
...
llvm-svn: 122616
2010-12-29 02:42:33 +00:00
563301dfdb
Fix bug when trying to output uint16_t or uint32_t.
...
llvm-svn: 122615
2010-12-29 02:30:49 +00:00
290d71671e
Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks
...
like 6 is a fixed point of that and so the previous tests were OK :-)
llvm-svn: 122614
2010-12-29 01:42:56 +00:00
426e68f793
Implement cfi_def_cfa_register.
...
llvm-svn: 122612
2010-12-29 00:26:06 +00:00
86d347dd31
Initial .cfi_offset implementation.
...
llvm-svn: 122611
2010-12-29 00:09:59 +00:00
6bbfb6c06c
Don't produce a "DW_CFA_advance_loc 0".
...
llvm-svn: 122609
2010-12-28 23:38:03 +00:00
85d91982ca
Implement .cfi_remember_state and .cfi_restore_state.
...
llvm-svn: 122602
2010-12-28 18:36:23 +00:00
b6d52b8b64
Cast away "comparison between signed and unsigned integer" warnings.
...
llvm-svn: 122598
2010-12-28 13:52:52 +00:00
3784c5ea3c
Fix warning about size potentially being used uninitialized
...
when doing a release build.
llvm-svn: 122594
2010-12-28 10:02:42 +00:00
736a35d9ab
Relax address updates in the eh_frame section.
...
llvm-svn: 122591
2010-12-28 05:39:27 +00:00
a75b87b55a
Start adding basic support for emitting the call frame instructions.
...
llvm-svn: 122590
2010-12-28 04:15:37 +00:00
1de2dd0e5e
Add support for .cfi_lsda.
...
llvm-svn: 122584
2010-12-27 15:56:22 +00:00
a895c69431
MC/Mach-O/Thumb: Select appropriate relocation types for Thumb.
...
llvm-svn: 122583
2010-12-27 14:49:49 +00:00
8fc59a682f
Handle reloc_riprel_4byte_movq_load. Should make the bots happy.
...
llvm-svn: 122579
2010-12-27 02:03:24 +00:00
2ac8355ecd
Add support for the same encodings of the personality function that gnu as
...
supports.
llvm-svn: 122577
2010-12-27 00:36:05 +00:00
54462cd730
Fix .cfi_personality on 32 bit systems.
...
llvm-svn: 122570
2010-12-26 22:47:37 +00:00
9ae2d05d45
Add support for @note. Patch by Jörg Sonnenberger.
...
llvm-svn: 122568
2010-12-26 21:30:59 +00:00
9141b611ad
Add basic support for .cfi_personality.
...
llvm-svn: 122566
2010-12-26 20:20:31 +00:00
03a102bff3
Generalize a previous change, fixing PR8855 - an valid large immediate
...
rejected by the mc assembler.
llvm-svn: 122557
2010-12-25 21:36:35 +00:00
0f8abeba1d
Merge IsFixupFullyResolved and IsSymbolRefDifferenceFullyResolved. We now
...
have a single point where targets test if a relocation is needed.
llvm-svn: 122549
2010-12-24 21:22:02 +00:00
7f2bb4dcae
MC/Mach-O/ARM: Start handling some Thumb branches.
...
llvm-svn: 122547
2010-12-24 16:41:46 +00:00
fa3c6f148c
In llvm-mc parse a Hash token as a full line comment. Allows handling of
...
preprocessed .s files and matches darwin gas. rdar://8798690
Also fix a comment on the next line of AsmParser.cpp after this new code.
llvm-svn: 122531
2010-12-24 00:12:02 +00:00
4124ab1255
Add r122359 back now that the bug in MCDwarfLineAddrFragment fragment has been
...
fixed.
llvm-svn: 122448
2010-12-22 22:16:24 +00:00
d91e11932c
Assert that the AddrDelta expression is really constant and wrap it in a set
...
if we have a lame assembler.
llvm-svn: 122446
2010-12-22 22:04:28 +00:00
a6cd2d821a
Rename NeedsSetToChangeDiffSize to HasAggressiveSymbolFolding which is a much
...
better name and matches what is used in the MachO writer.
llvm-svn: 122443
2010-12-22 21:51:29 +00:00
ac8173cf71
MC/Mach-O/ARM: Don't try to use scattered relocs for BR24 fixups.
...
llvm-svn: 122441
2010-12-22 21:26:43 +00:00
0e14b61c0b
Revert r122359 while I debug PR8845.
...
llvm-svn: 122427
2010-12-22 19:05:49 +00:00
6b5d2519b3
Fix another conditional expression mismatched enum type warning.
...
llvm-svn: 122419
2010-12-22 18:25:55 +00:00
45140d2efc
MC/Mach-O/ARM: We always use the SECTDIFF reloc type on ARM, which is
...
esp. important given that the LOCAL_SECTDIFF enumeration got redefined.
llvm-svn: 122412
2010-12-22 16:52:19 +00:00
11617c8666
MC/Mach-O/ARM: Clone off an ARM version of RecordScatteredRelocation until I figure out how it is supposed to work.
...
llvm-svn: 122410
2010-12-22 16:45:29 +00:00
dde72ef0c1
MC/Mach-O: Return to reporting errors if we see unexpected fixup kinds.
...
llvm-svn: 122409
2010-12-22 16:32:41 +00:00
a191cfd97e
MC/Mach-O/ARM: Recognize generic _Data_N fixup kinds.
...
llvm-svn: 122408
2010-12-22 16:32:37 +00:00
9ccf843a61
MC/Mach-O/ARM: Add enough relocation logic to get BR24 relocations.
...
llvm-svn: 122407
2010-12-22 16:19:24 +00:00
56f13732e2
MC/Mach-O/ARM: Fix thinko.
...
llvm-svn: 122406
2010-12-22 16:19:20 +00:00
50ce2f06de
Use references and simplify.
...
llvm-svn: 122405
2010-12-22 16:11:57 +00:00
73c0ae77ca
Simplify the handling of .size expressions.
...
llvm-svn: 122404
2010-12-22 16:03:00 +00:00
083132e131
MC/Mach-O/ARM: Stub out RecordARMRelocation, which is mostly a copy of
...
RecordRelocation with lots of FIXMEs.
llvm-svn: 122402
2010-12-22 13:50:05 +00:00
a63db77f2e
Simplify.
...
llvm-svn: 122401
2010-12-22 13:49:56 +00:00
1e5be3653c
MC/Mach-O: Split out RecordARMRelocation for now, it is weird enough it isn't
...
clear how to keep in the generic path (yet).
- Will revisit when it actually works.
llvm-svn: 122400
2010-12-22 13:49:43 +00:00
890cb2d506
GCC objects to the two sides of a conditional expression having different enum
...
types, but they're just getting converted to unsigned anyway, so cast first
(and ask questions later).
llvm-svn: 122377
2010-12-21 23:43:23 +00:00
a468ae02cb
Simplify EvaluateAsAbsolute now that EvaluateAsRelocatableImpl does all
...
the folding it can.
llvm-svn: 122359
2010-12-21 20:51:42 +00:00
6bdb49ded8
Don't relax org or align. They change size as the relaxation happens, but they
...
are not actually relaxed. For example, a section with only alignments will never
needs relaxation.
llvm-svn: 122356
2010-12-21 20:35:18 +00:00
ff78eda678
MC/Mach-O: Shuffle enums a bit to make it harder to inadvertently use the wrong
...
type.
llvm-svn: 122334
2010-12-21 15:26:45 +00:00
98d93c5294
Layout one section until no relaxations are done and then move to the next
...
section.
This helps because in practice sections form a dag with debug sections pointing
to text sections. Finishing up the text sections first makes the debug section
relaxation trivial.
llvm-svn: 122314
2010-12-21 04:22:09 +00:00
55184ddd35
Set the value of absolute symbols.
...
llvm-svn: 122268
2010-12-20 21:14:39 +00:00
0de20af7ba
Add missing standard headers. Patch by Joerg Sonnenberger!
...
llvm-svn: 122193
2010-12-19 20:43:38 +00:00
ee54636f0a
Fixed version of 122160 (the previous one would fold undefined symbols).
...
llvm-svn: 122167
2010-12-19 04:18:56 +00:00
9a2d4e04c7
Revert 122160 while I debug it.
...
llvm-svn: 122165
2010-12-19 03:22:05 +00:00
6fd80a5593
Move all folding to AttemptToFoldSymbolOffsetDifference.
...
llvm-svn: 122160
2010-12-19 02:15:04 +00:00
71d29167ea
Add support for lexing single quotes like 'c'.
...
This fixed 8615.
llvm-svn: 122150
2010-12-18 08:56:37 +00:00
b403e098a1
Merge isAbsolute into IsSymbolRefDifferenceFullyResolved.
...
llvm-svn: 122148
2010-12-18 06:27:54 +00:00
8396dd0893
Remove the MCObjectFormat class.
...
llvm-svn: 122147
2010-12-18 05:37:28 +00:00
293a7c1840
Add a FIXME and explain a hack.
...
llvm-svn: 122144
2010-12-18 04:19:20 +00:00
1ea7f18caa
Fix the note.
...
llvm-svn: 122139
2010-12-18 04:01:45 +00:00
5004f4a9b5
Revert 122011, 122012, 122013, 122023 adding back an important optimization.
...
I added a note, but suggestions on how to add a test are really welcome.
llvm-svn: 122138
2010-12-18 03:57:21 +00:00
fdaae0d16f
Move some data to the TargetWriter.
...
llvm-svn: 122134
2010-12-18 03:27:34 +00:00
79855298b9
Thumb's forced-PC-alignment requirement applies to the _total_ displacement, not just to the fragment relative
...
portion. While the fragment boundary is usually already aligned, it is possible for it not to be, which
would lead to a non-aligned final displacement.
llvm-svn: 122091
2010-12-17 21:49:48 +00:00
d11460a65b
Store and free the TargetObjectWriter.
...
llvm-svn: 122070
2010-12-17 18:01:31 +00:00
6b5e56c2b1
Stub out explicit MCELFObjectTargetWriter interface.
...
llvm-svn: 122067
2010-12-17 17:45:22 +00:00
f0e24d426a
Move createELFObjectWriter to its own header.
...
llvm-svn: 122064
2010-12-17 16:59:53 +00:00
df63335844
Use getFixupKindInfo to implement isFixupKindPCRel, ELF version.
...
llvm-svn: 122050
2010-12-17 07:28:17 +00:00
137d422e50
MC/Expr: Implemnt more aggressive folding during symbol evaluation using
...
IsSymbolRefDifferenceFullyResolved(). For example, we will now fold away
something like:
--
_a:
...
L0:
...
L1:
...
.long (L1 - L0) / 2
--
llvm-svn: 122043
2010-12-17 05:50:33 +00:00
2ee6c9b8c9
MC/Mach-O: On second thought, use a custom hook for enabling aggressive
...
IsSymbolRefDifferenceFullyResolved, it turns out this does change behavior on
enough cases for x86-32 that I would rather wait a bit on it.
- In practice, we will want to change this eventually because it only means we
generate less relocations (it also eliminates the need for the horrible
'.set' hack that Darwin requires in some places).
llvm-svn: 122042
2010-12-17 05:50:29 +00:00
b27bb86ba5
MC/Mach-O: Implement IsSymbolRefDifferenceFullyResolved.
...
- Unlike for fixups, we always do the "reliable" thing (not just for x86_64).
- Since Darwin 'as' would typically reject things that using this will allow,
we don't need to worry about compatibility.
llvm-svn: 122038
2010-12-17 04:54:58 +00:00
f2adf782ab
MC/ObjectWriter: Add a new IsSymbolRefDifferenceFullyResolved target format specific hook.
...
- Currently just has stub implementations for Mach-O, ELF, and COFF.
llvm-svn: 122037
2010-12-17 04:54:54 +00:00
50269280f8
MC/Assembler: Strip out object writer arguments, now that it is always available
...
-- and remove FIXME asking for the same!
llvm-svn: 122032
2010-12-17 02:45:59 +00:00
42a037abb1
MC/Assembler: Make the MCObjectWriter available through the lifetime of the
...
assembler.
llvm-svn: 122031
2010-12-17 02:45:41 +00:00
d2867f13a0
MC/Target: Remove HasScatteredSymbols target hook variable, which has been
...
superceded and was effectively dead.
llvm-svn: 122024
2010-12-17 02:06:08 +00:00
e491ea4630
MC/Expr: Simplify.
...
llvm-svn: 122023
2010-12-17 02:05:45 +00:00
f89156da92
MC: Remove another dead MCAssembler argument, and update clients.
...
llvm-svn: 122013
2010-12-17 01:07:35 +00:00
f15aeb8d01
MC: Remove dead MCAssembler argument -- Rafael, can you check the FIXME I added
...
here?
llvm-svn: 122012
2010-12-17 01:07:31 +00:00
9af1335b5d
MC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment
...
in MCAsmLayout).
llvm-svn: 122011
2010-12-17 01:07:28 +00:00
33d571e2ae
Write => in a more normal form.
...
llvm-svn: 122009
2010-12-17 01:07:22 +00:00
76793bac89
MC/Expr: Simplify (and add a FIXME).
...
llvm-svn: 122008
2010-12-17 01:07:20 +00:00
32c74ea3ab
"Fix" FDE alignment to match what gas does.
...
llvm-svn: 122006
2010-12-17 00:28:02 +00:00
395a09922b
MC/Expr: Add a doxyment.
...
llvm-svn: 121988
2010-12-16 18:36:25 +00:00
03fcccbb47
MC/Mach-O: Lift some MachObjectWriter arguments into the target specific
...
interface.
llvm-svn: 121981
2010-12-16 17:21:02 +00:00
8888a9604d
MC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface.
...
llvm-svn: 121973
2010-12-16 16:09:19 +00:00
73b8713d7c
MC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h.
...
llvm-svn: 121971
2010-12-16 16:08:33 +00:00
9d1ed19982
MC/Mach-O: Use fixup info instead of hard coded list.
...
llvm-svn: 121970
2010-12-16 15:42:31 +00:00
0c9d9fdd81
MC: Move target specific fixup info descriptors to TargetAsmBackend instead of
...
the MCCodeEmitter, which seems like a better organization.
- Also, cleaned up some magic constants while in the area.
llvm-svn: 121953
2010-12-16 03:20:06 +00:00
4c1386add9
1. ARM/MC/ELF: A few more ELF relocs for .o
...
2. Fixed EmitLocalCommonSymbol for ELF (Yes, they exist. :)
Test added.
llvm-svn: 121951
2010-12-16 03:12:17 +00:00
ecd0c8a557
MC: Make TargetAsmBackend available to the AsmStreamer.
...
- Treaty talks on the non-proliferation of MC objects broke down.
llvm-svn: 121949
2010-12-16 03:05:59 +00:00
f991d4f587
Better fix for opt build
...
llvm-svn: 121910
2010-12-15 23:14:45 +00:00
15f96baa01
Fix opt -Werror build
...
llvm-svn: 121904
2010-12-15 22:21:20 +00:00
c8fa5fcc42
Fix typo in r121875.
...
llvm-svn: 121880
2010-12-15 19:24:24 +00:00
622ad5170b
Implement cleanups suggested by Daniel.
...
llvm-svn: 121875
2010-12-15 18:48:27 +00:00
844f6b6cfb
Relax alignment fragments.
...
With this we don't need the EffectiveSize field anymore. Without that field
LayoutFragment only updates offsets and we don't need to invalidate the
current fragment when it is relaxed (only the ones following it).
This is also a very small improvement in the accuracy of the layout info as
we now use the after relaxation size immediately.
llvm-svn: 121857
2010-12-15 08:45:53 +00:00
8911d03504
Patch by David Meyer to avoid a O(N^2) behaviour when relaxing fragments.
...
Since we now don't update addresses so early, we might relax a bit more than
we need to. This is simillar to the issue in PR8467.
llvm-svn: 121856
2010-12-15 07:39:29 +00:00
f80f18a11a
Generalize an assert.
...
llvm-svn: 121851
2010-12-15 07:12:24 +00:00
41955ff958
ARM Fixups relative to thumb functions need to have the low bit of the value
...
set for interworking to work properly. rdar://8755956
llvm-svn: 121778
2010-12-14 18:46:57 +00:00
0e909c5f9c
First cut of ARM/MC/ELF PIC relocations.
...
Test has fixme, to move to .s -> .o test when AsmParser works better.
llvm-svn: 121732
2010-12-13 23:16:07 +00:00
e119da1146
Thumb unconditional branch binary encoding. rdar://8754994
...
llvm-svn: 121496
2010-12-10 18:21:33 +00:00
0a017a6db2
Fixed version of 121434 with no new memory leaks.
...
llvm-svn: 121471
2010-12-10 07:39:47 +00:00
a945a34c73
Revert my previous patch to make the valgrind bots happy.
...
llvm-svn: 121461
2010-12-10 04:01:09 +00:00
56eb741237
Initial support for the cfi directives. This is just enough to get
...
f:
.cfi_startproc
nop
.cfi_endproc
assembled (on ELF).
llvm-svn: 121434
2010-12-09 23:48:29 +00:00
d66e65df03
Use const references.
...
llvm-svn: 121426
2010-12-09 23:08:35 +00:00
3ef19d9d48
Fix an issue in some Thumb fixups, where the effective PC address needs to be 4-byte aligned when calculating
...
the offset. Add a new fixup flag to represent this, and use it for the one fixups that I have a testcase for needing
this. It's quite likely that the other Thumb fixups will need this too, and to have their fixup encoding logic
adjusted accordingly.
llvm-svn: 121408
2010-12-09 20:27:52 +00:00
68b27eb9d1
Rename CB/CBZ specific fixup accordingly.
...
llvm-svn: 121404
2010-12-09 19:50:12 +00:00
3ebe3defe3
Add assert to catch an attempt to emit .byte 256
...
llvm-svn: 121402
2010-12-09 19:26:21 +00:00
c79c5f6e8c
ARM/MC/ELF TPsoft is now a proper pseudo inst.
...
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM
as well as ELF/OBJ (including fixup)
Also added support for ELF::R_ARM_TLS_IE32
llvm-svn: 121312
2010-12-08 23:14:44 +00:00
a7d6aa902a
Support the "target" encodings for the CB[N]Z instructions.
...
llvm-svn: 121308
2010-12-08 23:01:43 +00:00
8a6449c46e
Add support for loading from a constant pool.
...
llvm-svn: 121226
2010-12-08 01:57:09 +00:00
87055ed6f4
Let target asm backends see assembler flags as they go by. Use that to handle
...
thumb vs. arm mode differences in WriteNopData().
llvm-svn: 121219
2010-12-08 01:16:55 +00:00
6624f47272
Layout each section independently. With the testcase in PR8711:
...
before:
4 assembler - Number of assembler layout and relaxation steps
78563 assembler - Number of emitted assembler fragments
8693904 assembler - Number of emitted object file bytes
271223 assembler - Number of evaluated fixups
330771677 assembler - Number of fragment layouts
5958 assembler - Number of relaxed instructions
2508361 mcexpr - Number of MCExpr evaluations
real 0m26.123s
user 0m25.694s
sys 0m0.388s
after:
4 assembler - Number of assembler layout and relaxation steps
78563 assembler - Number of emitted assembler fragments
8693904 assembler - Number of emitted object file bytes
271223 assembler - Number of evaluated fixups
231507 assembler - Number of fragment layouts
5958 assembler - Number of relaxed instructions
2508361 mcexpr - Number of MCExpr evaluations
real 0m2.500s
user 0m2.113s
sys 0m0.273s
And yes, the outputs are identical :-)
llvm-svn: 121207
2010-12-07 23:32:26 +00:00
e78d3b38de
Fix absolute recording of differences of symbols in two sections. Reduced from ctor_dtor_count-2.cpp.
...
llvm-svn: 121152
2010-12-07 17:12:32 +00:00
bdbe5a712d
Fix relocations with weak definitions.
...
llvm-svn: 121114
2010-12-07 05:57:28 +00:00
2eabaae459
Fix pcrel relocations that cross sections.
...
llvm-svn: 121107
2010-12-07 03:50:14 +00:00
a2421ec705
Fix a crash reduced from gcc produced assembly.
...
llvm-svn: 121085
2010-12-07 01:09:54 +00:00
93e3cf0ebd
Sorry for such a large commit. The summary is that only MachO cares about the
...
actuall addresses in a .o file, so it is better to let the MachO writer compute
it.
This is good for two reasons. First, areas that shouldn't care about
addresses now don't have access to it. Second, the layout of each section
is independent. I should use this in a subsequent commit to speed it up.
Most of the patch is just removing the section address computation. The two
interesting parts are the change on how we handle padding in the end
of sections and how MachO can get the address of a-b when a and b are in
different sections.
Since now the expression evaluation normally doesn't know the section address,
it will think that a-b needs relocation and let the MachO writer know. Once
it has computed the section addresses, it calls back the expression evaluation
with the section addresses to resolve these expressions.
The remaining problem is the handling of padding. Currently it will create
a special alignment fragment at the end. Since that fragment doesn't update
the alignment of the section, it needs the real address to be computed.
Since now the layout will not compute a-b with a and b in different sections,
the only effect that the special alignment fragment has is update the
address size of the section. This can also be done by the MachO writer.
llvm-svn: 121076
2010-12-07 00:27:36 +00:00
9e1994698d
Add fixup for Thumb1 BL/BLX instructions.
...
llvm-svn: 121072
2010-12-06 23:57:07 +00:00
1055f72b97
Use references to simplify the code a bit.
...
llvm-svn: 121050
2010-12-06 22:30:54 +00:00
495c2bb9a6
Refactor ELFObjectWriter.
...
+ ARM/X86/MBlaze now share a common RecordRelocation
+ ARM/X86/MBlaze arch specific routines are limited to GetRelocType()
llvm-svn: 121043
2010-12-06 21:57:34 +00:00
e134b08daa
use getSymbolOffset.
...
llvm-svn: 121041
2010-12-06 21:51:55 +00:00
408344017e
Another use of getSymbolOffset.
...
llvm-svn: 121034
2010-12-06 19:55:05 +00:00
0f30fec0bd
Remove the instruction fragment to data fragment lowering since it was causing
...
freed data to be read. I will open a bug to track it being reenabled.
llvm-svn: 121028
2010-12-06 19:08:48 +00:00
44bbe36de6
Second try at making direct object emission produce the same results
...
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.
llvm-svn: 121006
2010-12-06 17:27:56 +00:00
dee3062373
Revert previous two patches while I try to find out how to make both
...
linux and darwin assemblers happy :-(
llvm-svn: 121004
2010-12-06 15:35:15 +00:00
34a06a0802
Add an EmitAbsValue helper method and use it in cases where we want to be sure
...
that no relocations are used (on MochO).
Fixes llc producing different output from llc + llvm-mc.
llvm-svn: 121000
2010-12-06 14:53:14 +00:00
baf2f3b3eb
Remove the getAddress getter, initialize Ordinal in the constructor and use
...
that on the ELF writer to detect a section we created.
llvm-svn: 120981
2010-12-06 03:48:09 +00:00
46e40188f7
Simplify a bit.
...
llvm-svn: 120980
2010-12-06 03:36:43 +00:00
45790b82af
Use getSymbolOffset on the COFF writer.
...
llvm-svn: 120979
2010-12-06 03:24:04 +00:00
ac60adb38d
Don't use PadSectionToAlignment on windows.
...
llvm-svn: 120978
2010-12-06 03:03:44 +00:00
e7284c3671
Add a getSymbolOffset method and use it in the ELF writer.
...
llvm-svn: 120977
2010-12-06 02:57:26 +00:00
8867390cf2
Once the layout is done we don't need to keep updating which fragments are
...
valid. Addresses will not change.
llvm-svn: 120921
2010-12-04 22:47:22 +00:00
99e026dbca
Remember the contents of leb and dwarfline fragments when relaxing. This avoids
...
having to evaluate the expression again when writing.
llvm-svn: 120920
2010-12-04 21:58:52 +00:00
1c8ac8f027
There are two reasons why we might want to use
...
foo = a - b
.long foo
instead of just
.long a - b
First, on darwin9 64 bits the assembler produces the wrong result. Second,
if "a" is the end of the section all darwin assemblers (9, 10 and mc) will not
consider a - b to be a constant but will if the dummy foo is created.
Split how we handle these cases. The first one is something MC should take care
of. The second one has to be handled by the caller.
llvm-svn: 120889
2010-12-04 03:21:47 +00:00
1048e75fb9
Next step: Only pad debug_line when the target is darwin. Add a FIXME to avoid
...
doing that if the target is darwin10 or newer.
This fixes
*) Direct object emission was producing objects without the workaround on
darwin9.
*) Assembly printing was producing objects with the workaround on linux.
llvm-svn: 120866
2010-12-04 00:31:13 +00:00
f8af778e1f
First step in fixing MC. Make it clear that we are avoiding a bug in the
...
darwin9 linker, what is needed to avoid it and where to get more information.
Also make the workaround simpler. Just the regular end_sequence we normally
create is more than 4 bytes.
Tested by building cctools and ld64 from darwin9 on a darwin10 system and using
those. I checked that I was able to reproduce the bootstrap failure when
the the workaround was disabled.
llvm-svn: 120854
2010-12-03 23:36:59 +00:00
4c70eeaf33
Make EmitIntValue more efficient and more like what we do for leb128. The
...
difference is much smaller (about 0.3s) but significant.
llvm-svn: 120787
2010-12-03 02:54:21 +00:00
675fbb2ad1
Do with uleb the same trick we now do with dwarf line/address advances. This
...
avoids creating leb128 fragments and speeds up the test in PR8711 to 33s.
llvm-svn: 120774
2010-12-03 01:19:49 +00:00
57ab708bdd
Try to resolve symbol differences early, and if successful create a plain
...
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.
llvm-svn: 120767
2010-12-03 00:55:40 +00:00
5eed2e63f8
It may not be an option to skip .debug_line if there are file reference in already emitted debug info. So, for now, emit dummy line table entry to make older linker and assemblers happy. This is not a new behavior, original AsmPrinter emitted similar line table entries.
...
llvm-svn: 120760
2010-12-03 00:10:48 +00:00
8cabd938ed
Use set directive for StartMinusEndExpr.
...
This is a fix for llvm-gcc-i386-darwin9 buildbot failure.
llvm-svn: 120742
2010-12-02 21:32:30 +00:00
bf792065a9
Add a fast path to EvaluateSymbolicAdd. This avoids computing symbol addresses
...
which then avoids running EnsureValid.
This cuts the assembly time of the testcase in PR8711 from 2:50 minutes to 1
minute.
llvm-svn: 120697
2010-12-02 07:53:12 +00:00
9065bfc692
Move EmitValueToOffset to the ObjectStreamer.
...
llvm-svn: 120691
2010-12-02 05:59:38 +00:00
3fa6fc1450
Add EmitInstToFragment to the generic object streamer.
...
llvm-svn: 120690
2010-12-02 05:44:06 +00:00
60ebca9aaf
The sections that the ELF object writer has to create are very simple and
...
contain only data. Handle them specially instead of using AddSectionToTheEnd.
This moves a hack from the generic assembler to the elf writer. It is also
a bit faster and should make other improvements easier.
llvm-svn: 120683
2010-12-02 03:09:06 +00:00
87b9114f49
If tehre are not any line entry then do not try to emit .debug_line section.
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llvm-svn: 120637
2010-12-02 01:17:51 +00:00
ce2bd8d05f
Add support for binary encoding of ARM 'adr' instructions referencing constant
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pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291.
llvm-svn: 120635
2010-12-02 00:28:45 +00:00
50fe5c5138
Remove unused argument.
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llvm-svn: 120621
2010-12-01 22:48:11 +00:00
5fe5f45352
Rename temporary symbols if they conflict with artificial symbols created
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by the assembler. This was blocking parsing any large .s produced by clang for
example.
Fixes PR8596.
llvm-svn: 120603
2010-12-01 20:46:11 +00:00
943fb60b1f
Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax.
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llvm-svn: 120589
2010-12-01 19:18:46 +00:00
5695098c4c
Fix a mised reloc rename spot.
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llvm-svn: 120585
2010-12-01 19:02:26 +00:00
29805961d8
ARM/MC/ELF relocation "hello world" for movw/movt.
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Lifted adjustFixupValue() from Darwin for sharing w ELF.
Test added
TODO:
refactor ELFObjectWriter::RecordRelocation more.
Possibly share more code with Darwin?
Lots more relocations...
llvm-svn: 120534
2010-12-01 02:40:06 +00:00
447762da85
Merge System into Support.
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llvm-svn: 120298
2010-11-29 18:16:10 +00:00
e5e1f9ad0f
Make EmitIntValue non virtual.
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llvm-svn: 120271
2010-11-28 23:22:44 +00:00
0710e3771f
Forgot the MCPureStreamer::EmitValue in the previous commit.
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llvm-svn: 120270
2010-11-28 23:13:47 +00:00
a084fd6e9d
Move EmitValue to MCObjectStreamer.
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llvm-svn: 120269
2010-11-28 23:08:47 +00:00
e5b7415b21
Fixed verson of r120245.
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Factor some duplicated code into MCObjectStreamer::EmitLabel.
llvm-svn: 120248
2010-11-28 17:18:55 +00:00
1679580cc9
Revert previous patch while I debug the darwin bootstrap failure.
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llvm-svn: 120246
2010-11-28 16:22:59 +00:00
d4b3feb3f7
Factor some duplicated code into MCObjectStreamer::EmitLabel.
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llvm-svn: 120245
2010-11-28 15:54:36 +00:00
b746531c2c
Avoid code duplication in the many unsupported EmitGPRel32Value implementations.
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llvm-svn: 120243
2010-11-28 15:09:24 +00:00
8a3a7923eb
Define generic 1, 2 and 4 byte pc relative relocations. They are common
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and at least the 4 byte one will be needed to implement the .cfi_* directives.
llvm-svn: 120240
2010-11-28 14:17:56 +00:00
0ac77d526d
macho-dump: Add support for dumping relocation entries.
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llvm-svn: 120216
2010-11-27 13:39:48 +00:00
768a5e8004
Fix a comment.
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llvm-svn: 120199
2010-11-27 07:39:37 +00:00
4b128a5d4f
Reduce nesting.
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llvm-svn: 120189
2010-11-27 05:18:48 +00:00
eab6e401fe
MC/Mach-O: Migrate more constants into MachOFormat.h.
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llvm-svn: 120188
2010-11-27 04:59:14 +00:00
2263ca4834
MC/Mach-O: Introduce Object/MachOFormat for describing purely platform / machine
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independent information on the Mach object format, and move some stuff from
MachObjectWriter.cpp there.
llvm-svn: 120186
2010-11-27 04:19:38 +00:00
bf4a4e4ad9
Remove the unused TheTarget member.
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llvm-svn: 120168
2010-11-26 04:24:21 +00:00
f13f442b1a
Fix Whitespace.
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llvm-svn: 120166
2010-11-26 04:16:08 +00:00
f8e127eaf6
Factor some code to parseSectionFlags and fix the default type of a section.
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llvm-svn: 120145
2010-11-25 15:32:56 +00:00
9f75d5df0b
Behave a bit more like gnu as and use the symbol (instead of the section)
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for any relocation to a symbol defined in a tls section.
llvm-svn: 120121
2010-11-24 21:57:39 +00:00
708ac4d6ad
Relocate with the symbol if the relocation is of kind NTPOFF.
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Patch by David Meyer, I added the test.
llvm-svn: 120104
2010-11-24 19:23:50 +00:00
e98d483b71
Fix and add tests for all cases in x86 and x86_64 where gnu as implicitly
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sets the type of a symbol to STT_TLS.
llvm-svn: 120100
2010-11-24 18:51:21 +00:00
4e70ac7b68
If a symbol is used as tls, mark it as tls even if not declare as so. Probably
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fixes PR8659.
llvm-svn: 120076
2010-11-24 02:19:40 +00:00
5c1d4e3b1e
Invalidate the layout on any relaxation, not just Instructions. Bug found by David Meyer.
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While here, remove unused argument and rename UpdateForSlide to Invalidate.
llvm-svn: 120009
2010-11-23 08:08:33 +00:00
6e13aa1d3b
Reuse data fragments while lowering. Patch by David Meyer.
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llvm-svn: 119999
2010-11-23 05:49:35 +00:00
767a1e9adc
Fixed some style issues (no _, no spc after !)
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llvm-svn: 119986
2010-11-22 22:05:16 +00:00
16b75262c4
Make the <ARCH>ELFObjectWriter statics private
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llvm-svn: 119982
2010-11-22 18:57:00 +00:00
84ffdd5cf1
Fix misplaced statics.
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llvm-svn: 119981
2010-11-22 18:47:05 +00:00
a262546df7
Kill trailing whitespace
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llvm-svn: 119979
2010-11-22 18:42:07 +00:00
7c7d0ef287
Refactor the ELFRelocationEntry (pull up) and move the arch-specific statics to inside the class where it belongs.
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Next step is to rationally break apart the RecordRelocation()
Probably the step will be to have 1 member function for ech slot of the ELFRelocationEntry()
llvm-svn: 119978
2010-11-22 18:41:13 +00:00
3c227b0b89
Add basic CFI methods to the streamer interface.
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llvm-svn: 119972
2010-11-22 14:27:24 +00:00
556f203d64
Remove some #includes.
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llvm-svn: 119967
2010-11-22 11:53:17 +00:00
7699d6cfe9
Implement ELF object file writing support for the MBlaze backend. Its not perfect yet, but it works for many tests.
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llvm-svn: 119952
2010-11-21 22:06:28 +00:00
26cb15a549
Handle PCRel relocations with absolute values. Fixes PR8656.
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llvm-svn: 119917
2010-11-21 00:48:25 +00:00
8be14414f6
Added support for the Mach-O .symbol_resolver directive. rdar://8673046
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llvm-svn: 119816
2010-11-19 18:39:33 +00:00
9900b4802e
Add a MCLineSectionOrder vector so that we produce the line tables in a
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deterministic order.
llvm-svn: 119795
2010-11-19 07:41:23 +00:00
0b4c9aa9a9
Add an assert.
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llvm-svn: 119788
2010-11-19 04:55:36 +00:00
92ca933f6e
Fix llvm-gcc boostrap on OS X by avoiding printing sleb and uleb when
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possible.
llvm-svn: 119785
2010-11-19 04:10:13 +00:00
b58867ccba
Change some methods in MCDwarf.cpp to be able to handle an arbitrary
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MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.
This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.
llvm-svn: 119777
2010-11-19 02:26:16 +00:00
67c6ab8865
Change CodeGen to use .loc directives. This produces a lot more readable output
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and testing is easier. A good example is the unknown-location.ll test that
now can just look for ".loc 1 0 0". We also don't use a DW_LNE_set_address for
every address change anymore.
llvm-svn: 119613
2010-11-18 02:04:25 +00:00
7a2cd8b540
make isVirtualSection a virtual method on MCSection. Chris' suggestion.
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llvm-svn: 119547
2010-11-17 20:03:54 +00:00
d82684c7fc
Fix typo.
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llvm-svn: 119542
2010-11-17 19:30:11 +00:00
b67912d5cd
Add support for .int.
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llvm-svn: 119512
2010-11-17 16:24:40 +00:00
5c996894bd
Add support for .2byte, .4byte and .8byte.
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Fixes PR8631.
llvm-svn: 119511
2010-11-17 16:15:42 +00:00
95d37be1a9
MC-JIT: Stub out "pure" streamer.
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- No immediate use, but maybe someone feels like hacking on it.
llvm-svn: 119510
2010-11-17 16:06:47 +00:00
c653a895c8
Add .loc methods to the streamer.
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Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer
and then switch codegen to use it.
llvm-svn: 119384
2010-11-16 21:20:32 +00:00
3bbea57a6e
Parse and ignore some .cfi_* directives.
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llvm-svn: 119362
2010-11-16 18:34:07 +00:00
7d19efd6ff
A bit more of gnu as compatibility when handling relocations with aliases.
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llvm-svn: 119328
2010-11-16 04:11:46 +00:00
202d91e433
Fix compiler warnigns.
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llvm-svn: 119175
2010-11-15 19:20:50 +00:00
8c3039b67b
Change MCExpr::EvaluateAsRelocatableImpl of variables to return the original
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variable if recursing fails to simplify it.
Factor AliasedSymbol to be a method of MCSymbol.
Update MCAssembler::EvaluateFixup to match the change in
EvaluateAsRelocatableImpl.
Remove the WeakRefExpr hack, as the object writer now sees the weakref with
no extra effort needed.
Nothing else is using MCTargetExpr, but keep it for now.
Now that the ELF writer sees relocations with aliases, handle
.weak foo2
foo2:
.weak bar2
.set bar2,foo2
.quad bar2
the same way gas does and produce a relocation with bar2.
llvm-svn: 119152
2010-11-15 16:33:49 +00:00
96f4c01cb3
Dovetail with Dan Dunbar's rework of ELFObjectWriter.
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Added 2 new subclasses - X86ELFObjectWriter and ARMELFObectWriter.
ARM and X86 require different code for RecordRelocation(), possibly others.
llvm-svn: 119149
2010-11-15 16:18:39 +00:00
46c79ef113
Fix PR8565.
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This moves most of the isUsed logic to the MCSymbol itself. With this we
get a bit more relaxed about allowing definitions after uses: uses that
don't evaluate their argument immediately (jmp foo) are accepted.
ddunbar, this was the smallest compromise I could think of that lets us
accept gcc (and clang!) assembly.
llvm-svn: 119144
2010-11-15 14:40:36 +00:00
9e7d8c0313
correct the fixup comment printer to work on big endian platforms.
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llvm-svn: 119122
2010-11-15 05:56:19 +00:00
edb9d84dcc
add targetoperand flags for jump tables, constant pool and block address
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nodes to indicate when ha16/lo16 modifiers should be used. This lets
us pass PowerPC/indirectbr.ll.
The one annoying thing about this patch is that the MCSymbolExpr isn't
expressive enough to represent ha16(label1-label2) which we need on
PowerPC. I have a terrible hack in the meantime, but this will have
to be revisited at some point.
Last major conversion item left is global variable references.
llvm-svn: 119105
2010-11-15 02:46:57 +00:00
240028d11d
Move the logic to decide with which symbol we produce a relocation (if any) to
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a central location. This also makes us a bit more compatible with gas.
llvm-svn: 119094
2010-11-14 23:53:26 +00:00
94f0c14cb0
reimplement ppc asmprinter "toc" handling to use a VariantKind
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on the operand, required for .o file writing and fixing
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.
llvm-svn: 119087
2010-11-14 22:22:59 +00:00
a7d0bed336
Fix another case of a .comm directive without a corresponding .type
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directive.
llvm-svn: 119073
2010-11-14 21:11:16 +00:00
b05ef7377a
Fix the type of a symbol created with .comm and no corresponding .type.
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llvm-svn: 119060
2010-11-14 19:40:55 +00:00
7d0ba3464e
Handle a peculiar comdat case: Creating a section with an undefined
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signature symbol causes a local symbol to be created unless there is
some other use of the symbol.
llvm-svn: 119026
2010-11-14 04:17:37 +00:00
0e3decfcf7
Simplify getSymbolIndexInSymbolTable by setting the actual index of
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the symbols.
llvm-svn: 119022
2010-11-14 03:12:24 +00:00
eba9022652
Fix warning.
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llvm-svn: 119021
2010-11-14 01:34:31 +00:00
fe0c28f4db
MC: Simplify Mach-O and ELF object writer implementations.
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- What was I thinking?????
llvm-svn: 118992
2010-11-13 07:33:40 +00:00
2d006b1ade
Fix warning and add support for printing gnu_unique_object.
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llvm-svn: 118981
2010-11-13 04:55:06 +00:00
4bcf94c75a
Parse and record the gnu_unique_object type.
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llvm-svn: 118980
2010-11-13 04:51:02 +00:00
f01b622902
Parse and remember discriminators in .loc line. I try to output them with
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another patch.
This lets us parse a bit more of the gcc 4.5 output.
llvm-svn: 118975
2010-11-13 03:18:27 +00:00
1d37f35eea
Fix the encoding of negative line deltas.
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llvm-svn: 118962
2010-11-13 01:06:27 +00:00
dcc7732f88
MCELF: Copy the symbol name only if we're going to modify it.
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llvm-svn: 118920
2010-11-12 19:26:04 +00:00
c4f4b2e878
Remove what looks like dead code in the production of debug lines.
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We only produce debug line information if we have seen a line directive, so
this code is dead. Also, if we want to be bug by bug compatible with
gas and sometimes produce "empty" .debug_line sections, this will
match the content produced by gas.
llvm-svn: 118914
2010-11-12 18:41:26 +00:00
de990b270d
gnu as support both % and @ before types, do the same.
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llvm-svn: 118893
2010-11-12 15:47:08 +00:00
ba321cb120
Trailing whitespace.
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llvm-svn: 118831
2010-11-11 20:16:23 +00:00
84d031870c
Mark labels declared in tls sections as STT_TLS. This matches the behavior of
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gas.
llvm-svn: 118818
2010-11-11 19:04:55 +00:00
a3e9a2298d
Initial comdat implementation.
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llvm-svn: 118805
2010-11-11 18:13:52 +00:00
fb6540c112
Make AliasedSymbol able to handle MCTargetExpr. They can get here if
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a weakref is used with a VariantKind.
llvm-svn: 118798
2010-11-11 17:24:43 +00:00
fa7b55754c
Fix the symbol index of weak references. Also make RecordRelocation a bit
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easier to read by having const references to the symbol, aliased symbol and
renamed symbol.
llvm-svn: 118793
2010-11-11 16:48:11 +00:00
19fa38000a
Remove some explicit arguments to getELFSection. This is
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a leftover from the removal of isExplicit.
llvm-svn: 118774
2010-11-11 03:40:25 +00:00
5a8d781caa
Factor some code into WriteSection.
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llvm-svn: 118733
2010-11-10 23:36:59 +00:00
eb97f59753
Update the section index map after we add the medatada sections.
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llvm-svn: 118728
2010-11-10 22:34:07 +00:00
1801410fa8
Use SectionIndexMap in WriteSymbolTable to make it a little less brittle.
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llvm-svn: 118725
2010-11-10 22:16:43 +00:00
d634003ebd
Factor some code into ComputeIndexMap.
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llvm-svn: 118722
2010-11-10 21:51:05 +00:00
51d68339a2
Change the String<size> methods to take a fragment instead of a buffer.
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llvm-svn: 118709
2010-11-10 20:02:59 +00:00
36ef57d2eb
Use MCSectionELF in places we know we have an ELF section.
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llvm-svn: 118699
2010-11-10 19:05:07 +00:00
f23b2d9d8d
Update ARMConstantPoolValue to not use a modifier string. Use an explicit
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VariantKind marker to indicate the additional information necessary. Update
MC to handle the new Kinds. rdar://8647623
llvm-svn: 118671
2010-11-10 03:26:07 +00:00
9bb44a5ce8
Fixed version of 118639 with an extra assert to catch similar problems
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earlier. Implicit bool -> int conversions are evil!
llvm-svn: 118651
2010-11-09 23:42:07 +00:00
33048f069f
Revert previous patch. Missed a case.
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llvm-svn: 118645
2010-11-09 22:54:38 +00:00
4bdd2724e3
Remove IsExplicit. It was always false.
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llvm-svn: 118639
2010-11-09 22:37:44 +00:00
8a3c3f2ad3
Fix typo.
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llvm-svn: 118421
2010-11-08 17:53:02 +00:00
9d17a3194e
Set default flags for .rodata.
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llvm-svn: 118395
2010-11-08 02:47:59 +00:00
20b11eaa01
Speed up AddSectionToTheEnd. It was walking all fragments in all sections.
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This is really slow with we have 1000s of sections each with a corresponding
relocation section. Also, it is only used by the ELF writer to add
basic data, so there is no need to force a new layout pass.
Should fix PR8563.
llvm-svn: 118377
2010-11-07 15:03:27 +00:00
5665a93bc5
Relax dwarf line fragments. This fixes a crash in the included testcase.
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llvm-svn: 118365
2010-11-07 02:07:12 +00:00
cbdf7efe1c
Add '.code 32' assembler directive to MC streamers.
...
llvm-svn: 118309
2010-11-05 22:40:09 +00:00
5a2c68d308
MC'ize the '.code 16' and '.thumb_func' ARM directives.
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llvm-svn: 118301
2010-11-05 22:08:08 +00:00
80bb80f5fc
Put class into an anonymous namespace.
...
llvm-svn: 118294
2010-11-05 19:56:38 +00:00
46c2acbcb4
Allow targets to specify the MachO CPUType/CPUSubtype information.
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llvm-svn: 118288
2010-11-05 18:48:58 +00:00
c75bb744e1
syntaxunified directive is a no-op for MachO writing.
...
llvm-svn: 118287
2010-11-05 18:47:32 +00:00
38d0756b88
Add 118023 back, but with proper spelling for .uleb128/.sleb128.
...
llvm-svn: 118254
2010-11-04 18:17:08 +00:00
f8343f87e7
Do relaxations with FT_Org fragments. Fixes the FIXME:
...
// FIXME: We should compute this sooner, we don't want to recurse here, and
// we would like to be more functional.
In MCAssembler::ComputeFragmentSize.
llvm-svn: 118080
2010-11-02 21:38:23 +00:00
5e874982f2
Add support for expressions in .sleb/.uleb directives.
...
llvm-svn: 118023
2010-11-02 17:22:24 +00:00
13ddd6d410
Write the line info to .debug_line.
...
llvm-svn: 117930
2010-11-01 17:07:14 +00:00
72b5488680
Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it.
...
llvm-svn: 117925
2010-11-01 16:27:31 +00:00
144fb8af58
Add support for .value.
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llvm-svn: 117922
2010-11-01 15:29:07 +00:00
1614597873
Implement .weakref.
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llvm-svn: 117911
2010-11-01 14:28:48 +00:00
3fe87a1eed
Add support for files with more than 65280 sections. No testcase since
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it would be a bit too big :-)
llvm-svn: 117849
2010-10-31 00:16:26 +00:00
45834a0065
Be more strict on when we produce an undefined reference. In gas a file with
...
just
.type foo,@object
will produce an undefined reference to foo. On the other hand, a file with
just
.weakref bar, foo
will not. It is somewhat hard to support both in MC since both statements
should create the symbols. It should be possible if we really need to by
adding to the flags, but hopefully that is not necessary.
With this patch we do not produce a undefined reference in any of those cases.
The assembly file needs an actual use for the undefined reference to be
present.
This is in preparation for a patch implementing .weakref.
llvm-svn: 117735
2010-10-29 23:09:31 +00:00
8aefb66376
Improvements to .section parsing:
...
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G
We ignore the G arguments and flag for now.
llvm-svn: 117608
2010-10-28 21:33:33 +00:00
63760ba38e
Add support for the .string directive.
...
llvm-svn: 117592
2010-10-28 20:02:27 +00:00
3c5a54e4b9
Defined weak symbols should have non-zero value.
...
llvm-svn: 117585
2010-10-28 19:39:57 +00:00
29f70afbae
Fix relocations with renamed symbols.
...
llvm-svn: 117575
2010-10-28 19:08:03 +00:00
6cd76e63f8
Aliases defined with .symver should copy the binding of the symbols they alias.
...
Move the existing patching for undefined symbols so that all the patching
is done in the same function.
llvm-svn: 117570
2010-10-28 18:33:03 +00:00
41e6cebb40
Use the IDVal directly as there's no need to convert to std::string.
...
Pointed out by Chris!
llvm-svn: 117557
2010-10-28 16:57:58 +00:00
fdac6365ab
Implement .equ directive as a synonym to .set.
...
llvm-svn: 117553
2010-10-28 16:22:58 +00:00
936ba3af28
Implement R_X86_64_DTPOFF32.
...
llvm-svn: 117548
2010-10-28 15:11:03 +00:00
2dbec3f762
Implement TLSLD.
...
llvm-svn: 117547
2010-10-28 15:02:40 +00:00
e8f08be11c
Implement DTPOFF.
...
llvm-svn: 117546
2010-10-28 14:48:59 +00:00
6f23eb380d
Implement TLSLDM.
...
llvm-svn: 117544
2010-10-28 14:37:09 +00:00
b3b49bbc39
Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind.
...
llvm-svn: 117543
2010-10-28 14:22:44 +00:00
f8537165bd
Add support for R_386_TLS_GD, R_386_TLS_LE_32, R_386_TLS_IE and R_386_TLS_LE.
...
llvm-svn: 117494
2010-10-27 21:23:52 +00:00
24c8b04d5f
Implement R_X86_64_GOTTPOFF, R_X86_64_TLSGD and R_X86_64_TPOFF32.
...
llvm-svn: 117481
2010-10-27 20:28:07 +00:00
14807270be
Replace pointer arithmetic with StringRef::substr.
...
llvm-svn: 117477
2010-10-27 19:53:52 +00:00
095fa9e5cc
Set default type and flags for .init and .fini.
...
llvm-svn: 117471
2010-10-27 18:45:20 +00:00
26496e6835
Produce an error for an invalid use of .symver.
...
llvm-svn: 117462
2010-10-27 17:56:18 +00:00
cc1b168ef6
Symbols defined as the difference of other two end up in the ABS section.
...
llvm-svn: 117451
2010-10-27 16:04:30 +00:00
eb0c2c170d
Add support for the .symver directive. This is really ugly, but most of it is
...
contained in the ELF object writer.
llvm-svn: 117448
2010-10-27 15:18:17 +00:00
a5efd6a27c
Move more logic to isInSymtab and simplify.
...
llvm-svn: 117447
2010-10-27 14:44:52 +00:00
c9fb35e73b
Add support for .ident.
...
llvm-svn: 117389
2010-10-26 19:35:47 +00:00
b3a48f3459
MC/AsmParser: Fix relative precedence of {+,-} and comparison ops.
...
llvm-svn: 117299
2010-10-25 20:18:56 +00:00
7484d2cbec
MC/AsmLexer: Fix bug in source location for Slash token.
...
llvm-svn: 117298
2010-10-25 20:18:53 +00:00
0ed1543d4e
Add support for emitting ARM file attributes.
...
llvm-svn: 117275
2010-10-25 17:50:35 +00:00
800fd3533c
Add X86::reloc_global_offset_table and use it to have a single place where
...
we check for _GLOBAL_OFFSET_TABLE_.
llvm-svn: 117241
2010-10-24 17:35:42 +00:00
9192e7ab12
Make some symbols static, move classes into anonymous namespaces.
...
llvm-svn: 117111
2010-10-22 17:35:07 +00:00
1851090515
Making the e_machine configurable by the target backend in ELFObjectWriter.
...
llvm-svn: 117099
2010-10-22 15:52:49 +00:00
90600d3329
Trailing whitespace.
...
llvm-svn: 117073
2010-10-21 22:04:05 +00:00
31041a9967
Fix Warnings.
...
llvm-svn: 117062
2010-10-21 20:49:38 +00:00
8ba86f801d
Do not recurse into symbol refs that have a variant kind. This prevents us
...
from losing the variant when producing a relocation on an alias.
llvm-svn: 117037
2010-10-21 18:00:20 +00:00
1898262a33
Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three
...
#includes in the process.
llvm-svn: 116919
2010-10-20 08:27:02 +00:00
ee8d15157a
Small cleanups and fixes in preparation for fixing _GLOBAL_OFFSET_TABLE_.
...
llvm-svn: 116848
2010-10-19 19:31:37 +00:00
5391eb61fb
Fix spelling.
...
llvm-svn: 116804
2010-10-19 10:18:23 +00:00
a960cb7181
Move the definition of this to the source file to anchor the vtable.
...
llvm-svn: 116779
2010-10-19 00:37:30 +00:00
fba9f74932
Implement R_386_GOT32.
...
llvm-svn: 116744
2010-10-18 20:47:21 +00:00
0a5314fdb3
Relocate with .bss instead of using the symbol. Matches gas behavior.
...
llvm-svn: 116741
2010-10-18 20:25:33 +00:00
3604d4441a
Reenable assert.
...
llvm-svn: 116738
2010-10-18 19:33:01 +00:00
e3dc9e2ea1
Produce ELF::R_386_GOTPC relocations.
...
llvm-svn: 116728
2010-10-18 18:36:12 +00:00
257374bb0f
Make the bots happy.
...
llvm-svn: 116719
2010-10-18 18:03:28 +00:00
3521f8467d
Produce a R_386_PLT32 when needed. Moved the default cases of switches to the
...
start for consistency.
llvm-svn: 116715
2010-10-18 16:58:03 +00:00
4464e0858f
Handle GOTOFF correctly on i386.
...
llvm-svn: 116711
2010-10-18 16:38:04 +00:00
77414757f6
Fix a typo and silence unused variable warnings in -Asserts build.
...
llvm-svn: 116685
2010-10-17 07:38:40 +00:00
4262a22225
Add a MCObjectFormat class so that code common to all targets that use a
...
single object format can be shared.
This also adds support for
mov zed+(bar-foo), %eax
on ELF and COFF targets.
llvm-svn: 116675
2010-10-16 18:23:53 +00:00
17990d5690
MC-COFF: Add support for default-null weak externals.
...
llvm-svn: 116666
2010-10-16 08:25:57 +00:00
4d99878a37
MC/AsmParser: Report .stabs directive as unsupported.
...
llvm-svn: 116659
2010-10-16 04:56:42 +00:00
84378f0f53
Refactor alias handling to AliasedSymbol.
...
llvm-svn: 116600
2010-10-15 18:25:33 +00:00
fbcf0db7ee
Refactor code a bit and avoid creating unnecessary entries in the string
...
map.
llvm-svn: 116579
2010-10-15 15:39:06 +00:00
bee6e9f8e0
Remove some code duplication.
...
llvm-svn: 116484
2010-10-14 16:34:44 +00:00
a6a984bd96
MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi!
...
llvm-svn: 116155
2010-10-09 16:04:45 +00:00
86bbd71088
MC-COFF: Implement InitSections. Fixes PR8335.
...
llvm-svn: 116151
2010-10-09 15:44:27 +00:00
c8dbdfd4ba
MC-COFF: Add COFFAsmParser. Completes PR8343.
...
llvm-svn: 116150
2010-10-09 11:01:07 +00:00
530ce85b3e
Fix Whitespace.
...
llvm-svn: 116149
2010-10-09 11:00:50 +00:00
be52c62a6d
MC-COFF: Assert on non-coff sections.
...
llvm-svn: 116148
2010-10-09 11:00:37 +00:00
3d89823102
MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for something else.
...
llvm-svn: 116142
2010-10-09 03:47:55 +00:00
aaf4643a31
MC-COFF: Handle relaxation in COFF better. Fixes PR8321.
...
llvm-svn: 116013
2010-10-07 23:55:40 +00:00
87002b592e
Minor cosmetic change: fix DOSish \r\n.
...
llvm-svn: 115910
2010-10-07 07:21:04 +00:00
1666b61357
MC-COFF: Fix symbol aliases. Fixes PR8251.
...
llvm-svn: 115909
2010-10-07 06:29:33 +00:00
883936ce0b
Another case of 256 sections not being enough :-)
...
llvm-svn: 115858
2010-10-06 22:28:19 +00:00
5f2d6a5cd9
Get binding and visibility info from the the alias, but Type from the symbol
...
being aliased.
llvm-svn: 115836
2010-10-06 21:02:29 +00:00
e535b01a74
MC: Add missing forward in MCLoggingStreamer.
...
llvm-svn: 115830
2010-10-06 20:36:47 +00:00
d444577382
If a symbol is global, reloc against it even if it is in a mergeable section.
...
llvm-svn: 115817
2010-10-06 19:27:21 +00:00
83b2a3337f
Make sure weak symbols are listed after the local ones.
...
llvm-svn: 115795
2010-10-06 16:47:31 +00:00
8f3d2c9058
Correctly handle GOTPCREL relocations.
...
llvm-svn: 115793
2010-10-06 16:23:36 +00:00
d7565c3a06
Use a relocation against the symbol if it is a PLT and the symbol is in another
...
section. Common because of linkonce sections.
llvm-svn: 115718
2010-10-05 23:57:26 +00:00
0ad137e98e
Implement more alias cases.
...
llvm-svn: 115699
2010-10-05 22:26:43 +00:00
3844da781f
256 sections should be enough for anyone...
...
llvm-svn: 115687
2010-10-05 21:20:07 +00:00
c58a37ea51
Don't crash in a strange .size directive.
...
llvm-svn: 115684
2010-10-05 21:02:45 +00:00
a65d17a5ca
Fix Punctuation.
...
llvm-svn: 115657
2010-10-05 19:48:12 +00:00
a3b34ed2df
MC-COFF: Fix (PR8278) temporary symbol relocations.
...
llvm-svn: 115656
2010-10-05 19:48:03 +00:00
b91bac6c96
Add support for a fill value in the .zero directive.
...
llvm-svn: 115655
2010-10-05 19:42:57 +00:00
b1d0789357
Implement a simple alias case and refactor the code a bit so that the
...
isInSymtab and isLocal logic in the two loops don't get easily out of sync.
llvm-svn: 115643
2010-10-05 18:01:23 +00:00
d03e81dba8
Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed.
...
llvm-svn: 115623
2010-10-05 15:48:37 +00:00
bce26a1ee0
On ELF we need to know which symbols are used in relocations to decide if
...
they should be in the symbol table or not. Instead of "guessing", just compute
the symbol table after the relocations are known.
llvm-svn: 115619
2010-10-05 15:11:03 +00:00
a68d004d88
Incorporate suggestions by Daniel Dunbar after his review. Thanks Daniel!
...
1) Changed ValidateDwarfFileNumber() to isValidDwarfFileNumber() to be better
named. Since it is just a predicate and isn't actually changing any state.
2) Added a missing return in the comments for setCurrentDwarfLoc() in
include/llvm/MC/MCContext.h for fix formatting.
3) Changed clearDwarfLocSeen() to ClearDwarfLocSeen() since it does change
state.
4) Simplified the last test in isValidDwarfFileNumber() to just a one line
boolean test of MCDwarfFiles[FileNumber] != 0 for the final return statement.
llvm-svn: 115551
2010-10-04 20:17:24 +00:00
fd1fff8b19
Implement ELF::R_X86_64_GOTPCREL.
...
llvm-svn: 115547
2010-10-04 19:51:39 +00:00
308363336b
Move isFixupKindX86PCRel.
...
llvm-svn: 115545
2010-10-04 19:46:28 +00:00
baadbd554a
Produce a R_X86_64_PLT32 when needed.
...
llvm-svn: 115541
2010-10-04 19:04:13 +00:00
b2c4ca6433
Produce a R_X86_64_GOT32 when needed.
...
llvm-svn: 115537
2010-10-04 18:44:25 +00:00
87f77b5f9a
Add hook in MCSection to decide when to use "optimized nops", for each
...
section kind. Previously, optimized nops were only used for MachO.
Also added tests for ELF and COFF.
llvm-svn: 115523
2010-10-04 17:32:41 +00:00
da0e3d07b2
Include the section address in the computation of the relocation.
...
llvm-svn: 115509
2010-10-04 15:59:01 +00:00
7c48b06930
Correctly compute the relocation when it is not in the first fragment.
...
llvm-svn: 115506
2010-10-04 15:28:43 +00:00
f70b4e0c2e
Implement a very basic PIC case.
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llvm-svn: 115454
2010-10-03 00:46:57 +00:00
a8d176866d
This adds a Darwin x86_64 relocation encoding for a subtraction expression
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where both symbols are "local", that is non-external symbols, and there is
no "base" for the symbols used in the expression, that is the section has
no non-temporary symbols. This case looks like this:
% cat local_reloc_A-B.s
.long 0
LB: .long 1
.long LA - LB - 4
.long 2
LA: .long 3
which llvm-mc will not encode without this patch, generates a "unsupported
local relocations in difference" error, but the Darwin assembler will
encode with relocation entries like this:
% otool -rv a.out l.out
a.out:
Relocation information (__TEXT,__text) 2 entries
address pcrel length extern type scattered symbolnum/value
00000008 False long False SUB False 1 (__TEXT,__text)
00000008 False long False UNSIGND False 1 (__TEXT,__text)
which is very similar to what is encoded when the symbols don't have the
leading 'L' and they are not temporary symbols. Which llvm-mc and the
Darwin assembler will encoded like this:
Relocation information (__TEXT,__text) 2 entries
address pcrel length extern type scattered symbolnum/value
00000008 False long True SUB False B
00000008 False long True UNSIGND False A
This is the missing relocation encoding needed to allow the Mach-O x86
Dwarf file and line table to be emitted. So this patch also removes the
TODO from the if() statement in MCMachOStreamer::Finish() that didn't
call MCDwarfFileTable::Emit() for 64-bit targets.
llvm-svn: 115389
2010-10-02 00:13:41 +00:00
f987d5ea1c
Factor some logic into ShouldRelocOnSymbol. This simplifies the code and
...
fixes some cases where we were producing relocations with at symbol that
should use a section instead.
llvm-svn: 115194
2010-09-30 20:18:35 +00:00
e46564a4a8
This is the last major patch to implement support for the .loc directive
...
and output the dwarf line number tables. This contains the code to emit and
encode the dwarf line tables from the previously gathered information in the
MCLineSection objects. This contains all the details to encode the line and
address deltas into the dwarf line table.
To do this an MCDwarfLineAddrFragment has been added.
Also this moves the interface code out of Mach-O streamer into
MCDwarf so it should be useable by other object file formats.
There is now one call to be made from an MCObjectStreamer
EmitInstruction() method:
MCLineEntry::Make(this, getCurrentSection());
to create a line entry after each instruction is assembled.
And one call call to be made from an MCObjectStreamer Finish() method:
MCDwarfFileTable::Emit(this, DwarfLineSection);
when getContext().hasDwarfFiles() is true and is passed a object file specific
MCSection where to emit the dwarf file and the line tables.
This appears to now be correct for 32-bit targets, at least x86. But the
relocation entries for 64-bit Darwin needs some further work which is next
up to work on. So for now the 64-bit Mach-O target does not output the
dwarf file and line tables.
llvm-svn: 115157
2010-09-30 16:52:03 +00:00
dce906c77f
Changes EvaluateAsAbsolute() to return the "current value" of the expression
...
if we are given a Layout object, even in cases when the value is not fixed.
This will be needed by the final patch for the dwarf .loc support to size a
new MCDwarf fragment needed to build and emit dwarf line number tables.
llvm-svn: 115155
2010-09-30 16:42:21 +00:00
f44d350614
Silence a GCC warning about not handling all flags in this switch, we
...
specifically assert on unexpected flags.
llvm-svn: 115143
2010-09-30 10:59:51 +00:00
efbdbe5565
Move logic of determining ELF entsize from the .s printer to initialization
...
time. That way, the EntrySize field is initialized for other code paths,
namely, the .ll -> .o code path.
llvm-svn: 115141
2010-09-30 05:59:22 +00:00
70d6e0e0ff
Correctly produce R_X86_64_32 or R_X86_64_32S.
...
With this patch in
movq $foo, foo(%rip)
foo:
.long foo
We produce a R_X86_64_32S for the first relocation and R_X86_64_32 for the
second one.
llvm-svn: 115134
2010-09-30 03:11:42 +00:00
645f6c2bef
Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile()
...
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.
llvm-svn: 115133
2010-09-30 02:45:56 +00:00
b96b2d8e4d
Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when
...
constructing a section. Test for a few cases also included.
llvm-svn: 115132
2010-09-30 02:41:46 +00:00
2ebaee9c75
Make it possible for the MCObjectWriter to decide if a given fixup is fully
...
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.
Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.
llvm-svn: 115131
2010-09-30 02:22:20 +00:00
c768287968
Test commit - Deleted some whitespace at the end of a line.
...
llvm-svn: 115122
2010-09-30 01:09:20 +00:00
53f0bf194a
Move "local commons" to the end of .bss to match the gnu as behavior.
...
llvm-svn: 115037
2010-09-29 14:52:01 +00:00
86a6222469
MC-COFF: Fix symbol storage class for globals
...
llvm-svn: 115020
2010-09-29 03:13:41 +00:00
b44fd24fc1
change the protocol TargetAsmPArser::MatchInstruction method to take an
...
MCStreamer to emit into instead of an MCInst to fill in. This allows the
matcher extra flexibility and is more convenient.
llvm-svn: 115014
2010-09-29 01:42:58 +00:00
01d20a76fe
On elf, undefined symbols can start with .L.
...
llvm-svn: 114958
2010-09-28 16:19:11 +00:00
96bfb50c03
Write relocations in the end of the file. This matches what gas does and
...
makes files easier to diff.
llvm-svn: 114898
2010-09-27 22:04:54 +00:00
9ca41113f6
Make sure .text doesn't produce extra alignment.
...
llvm-svn: 114895
2010-09-27 21:40:27 +00:00
9735f4ff8d
Factor symbol value computation into a function.
...
llvm-svn: 114891
2010-09-27 21:23:02 +00:00
ce2e535b19
MC-COFF: Fix signed/unsigned comparison.
...
llvm-svn: 114888
2010-09-27 21:17:39 +00:00
d116d8a4e9
MC/AsmParser: Handle exponents in floating point literals.
...
llvm-svn: 114861
2010-09-27 20:12:52 +00:00
cceded493f
Remove unused argument.
...
llvm-svn: 114852
2010-09-27 18:13:03 +00:00
c758311025
Push twines deeper into SourceMgr's error handling methods.
...
llvm-svn: 114847
2010-09-27 17:42:11 +00:00
d628377a2d
MC-COFF: Drop empty sections, and label symbols. Convert relocations
...
targeted at symbols into relocations relative to the containing section.
Patch by Nathan Jeffords!
llvm-svn: 114823
2010-09-27 08:58:26 +00:00
75d65b9a03
Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put
...
symbols defined in merge sections in independent atoms.
llvm-svn: 114786
2010-09-25 05:42:19 +00:00
cf1f985838
Reapply 114678 and 114667. Reverting them did not fix the bot:
...
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost/builds/69
llvm-svn: 114761
2010-09-24 21:19:03 +00:00
3843bb9d2c
Revert 114678 and 114667 to see if
...
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost
gets happy.
llvm-svn: 114742
2010-09-24 18:48:08 +00:00
ce17f72c38
MC/AsmParser: Handle a missed case of floating literals in the lexer.
...
llvm-svn: 114733
2010-09-24 17:10:26 +00:00
2af1653032
MC/AsmParser: Support .single and .double for embedding floating point literals.
...
- I believe more modern 'gas' supports a more enhanced set of arithmetic on
them, but for now the only thing we can do is emit them as data.
llvm-svn: 114719
2010-09-24 01:59:56 +00:00
3068a93dc1
MC/Lexer: Add 'Real' token type for floating point literals.
...
llvm-svn: 114718
2010-09-24 01:59:31 +00:00
74c1f1192c
MC: Add missing ')' in diagnostic.
...
llvm-svn: 114717
2010-09-24 01:58:56 +00:00
f458f04eb1
Correctly handle weak undefined symbols. Before we would get a invalid binding
...
(2 == STB_WEAK | STB_GLOBAL).
llvm-svn: 114690
2010-09-23 19:55:14 +00:00
6366d1b858
Correctly compute the offset of the symbol. Forgot these bits from the
...
last commit.
llvm-svn: 114678
2010-09-23 18:01:31 +00:00
48e108753b
Represent relocations against local symbols as relocations against the section
...
they are in. Both ways should be equivalent, but gas produces relocations
against the section.
Roman wrote the patch, I added the test.
llvm-svn: 114667
2010-09-23 17:25:18 +00:00
2816588eb9
Fix the FIXME.
...
llvm-svn: 114639
2010-09-23 14:14:56 +00:00
002ad003a3
Fixed a crash in the enhanced disassembler where
...
because of the lack of a newline, AsmToken::Eof
was being found instead of AsmToken::EndOfStatement.
llvm-svn: 114621
2010-09-23 02:14:12 +00:00
85dcd3d0f4
Add support for ELF PLT references for ARM MC asm printing. Adding a
...
new VariantKind to the MCSymbolExpr seems like overkill, but I'm not sure
there's a more straightforward way to get the printing difference captured.
(i.e., x86 uses @PLT, ARM uses (PLT)).
llvm-svn: 114613
2010-09-22 23:27:36 +00:00
dee12d8110
Avoid some Mach-O specific alignment being done on ELF.
...
llvm-svn: 114594
2010-09-22 22:27:05 +00:00
7bce0596a7
allow target-specific label suffixes, patch by Yuri Gribov!
...
llvm-svn: 114592
2010-09-22 22:19:53 +00:00
0e527b7ed5
Fix typo and add a FIXME.
...
llvm-svn: 114570
2010-09-22 19:04:41 +00:00
6ebd728067
grammar tweakage
...
llvm-svn: 114561
2010-09-22 18:18:30 +00:00
3bde49aa29
remove trailing whitespace
...
llvm-svn: 114560
2010-09-22 18:16:55 +00:00
9bac6cb544
Correctly align bss.
...
llvm-svn: 114556
2010-09-22 17:43:04 +00:00
2bb9504d1a
fix rdar://8456417 - llvm-mc can't do basic math
...
llvm-svn: 114532
2010-09-22 05:05:16 +00:00
461a692c7f
Revert unrelated change that was accidentally included in the previous commit.
...
llvm-svn: 114383
2010-09-21 00:40:19 +00:00
f0591c1642
Implement support for .local and its "interesting" interactions with .comm.
...
llvm-svn: 114382
2010-09-21 00:24:38 +00:00
32ab4558fe
Produce a R_X86_64_32 when the value is >=0.
...
llvm-svn: 114339
2010-09-20 19:20:47 +00:00
57e599a82a
Make sure the STT_FILE symbol is the first one in the symbol table.
...
llvm-svn: 114285
2010-09-18 15:03:21 +00:00
0ecde03e9f
Avoid relocations in a common case.
...
llvm-svn: 114229
2010-09-17 22:34:41 +00:00
baad46c6ee
Fix an MSVC warning.
...
llvm-svn: 114184
2010-09-17 16:34:24 +00:00
35a7a0ee2e
MC/Mach-O/i386: Fix a crash in relocation handling.
...
llvm-svn: 114176
2010-09-17 15:21:50 +00:00
55f16678e4
MC/AsmParser: Add support for 'a + 4@GOTPCREL' and friends, by reconsing the
...
expression to include the modifier.
- Gross, but this a corner case we don't expect to see often in practice, but
it is worth accepting.
- Also improves diagnostics on invalid modifiers.
llvm-svn: 114154
2010-09-17 02:47:07 +00:00
44bf266111
Print the address of sections as 0 and create the metadata sections in the
...
same order as gnu as.
llvm-svn: 114109
2010-09-16 19:46:31 +00:00
f7f433200b
Make sure that names like .note.GNU-stack are accepted as valid section names.
...
llvm-svn: 114091
2010-09-16 17:05:55 +00:00
922e3f454b
Add support for the .zero directive.
...
llvm-svn: 114077
2010-09-16 15:03:59 +00:00
f667d929ce
Add a InitSections method to the streamer interface.
...
The ELF implementation now creates text, data and bss to match the gnu as
behavior.
The text streamer still has the old MachO specific behavior since
the testsuite checks that it will error when a directive is given
before a setting the current section for example.
A nice benefit is that -n is not required anymore when producing
ELF files.
llvm-svn: 114027
2010-09-15 21:48:40 +00:00
93c9b2ea93
Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally."
...
This reverts commit r113632
Conflicts:
cmake/modules/AddLLVM.cmake
llvm-svn: 113819
2010-09-13 23:59:48 +00:00
9fd2ed9243
Factoring and potential bug fix. The elf "flags" cannot be used as masks.
...
For example, setting STT_OBJECT (1) and STT_FUNC (2), should not produce
a STT_SECTION (3).
llvm-svn: 113759
2010-09-13 17:39:45 +00:00
12d73d1f18
Add support for leb128 of absolute expressions.
...
llvm-svn: 113691
2010-09-11 16:45:15 +00:00
a2a9d16b78
fix the asmparser so that the target is responsible for skipping to
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the end of the line on a parser error, allowing skipping to happen
for syntactic errors but not for semantic errors. Before we would
miss emitting a diagnostic about the second line, because we skipped
it due to the semantic error on the first line:
foo %eax
bar %al
This fixes rdar://8414033 - llvm-mc ignores lines after an invalid instruction mnemonic errors
llvm-svn: 113688
2010-09-11 16:18:25 +00:00
dc38d36ccb
CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally.
...
llvm-svn: 113632
2010-09-10 21:14:25 +00:00
e5444a88cd
llvm-mc: Don't crash when using -n and we see a directive before the initial section.
...
- This is annoying, because we have to scatter this check everywhere that could emit real data, but I see no better solution.
llvm-svn: 113552
2010-09-09 22:42:59 +00:00
43325c4a68
llvm-mc: Make sure we exit != 0 if any errors are encountered.
...
llvm-svn: 113551
2010-09-09 22:42:56 +00:00
6c3c349b2b
MCELF: Write relocation fragments in the right endian.
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- This code is gross, but does the job for now.
llvm-svn: 113509
2010-09-09 18:01:29 +00:00
3b727f55aa
Make ELF OS ABI dependent on the OS from target triple.
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llvm-svn: 113508
2010-09-09 17:57:50 +00:00
a90e25cc64
MC: Give a (lame) hard error if a .org directive would create an unreasonably
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large object file (> 1GB).
llvm-svn: 113494
2010-09-09 16:23:33 +00:00
2ef1a589c5
ELF_STB_Local is 0 so setting and checking it must be done specially
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llvm-svn: 113375
2010-09-08 18:08:40 +00:00
6c27de28b5
Unresolved weak symbols have value equal zero.
...
llvm-svn: 113358
2010-09-08 14:29:45 +00:00
91689c1d0f
change the MC "ParseInstruction" interface to make it the
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implementation's job to check for and lex the EndOfStatement
marker.
llvm-svn: 113347
2010-09-08 05:10:46 +00:00
3723ba1fe0
MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell.
...
llvm-svn: 113155
2010-09-06 16:11:52 +00:00
78395e4b8a
Get rid of "passing signed into unsigned parameter" warning on PPC.
...
llvm-svn: 112995
2010-09-03 19:09:46 +00:00
e39017cb97
Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.
...
llvm-svn: 112849
2010-09-02 18:53:37 +00:00
5af02b0360
Allow MCSA_WeakRef in ELF. Patch by Roman Divacky.
...
llvm-svn: 112834
2010-09-02 17:18:32 +00:00
da3ef85460
Fix .debug_range for linux. Patch by Krister Wombell.
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llvm-svn: 112830
2010-09-02 16:43:44 +00:00
ea63639da5
Use absolute label for DW_AT_stmt_list if a target does not prefer offset here.
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This patch was developed on top of original patch by Artur Pietrek.
llvm-svn: 112678
2010-08-31 23:50:19 +00:00
d94dacf829
This is the second of three patches to implement support for the .loc directive
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and output the dwarf line number tables. This takes the current loc info after
an instruction is assembled and saves the needed info into an object that has
vector and for each section. These objects will be used for the final patch to
build and emit the encoded dwarf line number tables. Again for now this is only
in the Mach-O streamer but at some point will move to a more generic place.
llvm-svn: 112668
2010-08-31 22:55:11 +00:00
4226198a1d
Allow creation of SHT_NULL sections, from Roman Divacky.
...
llvm-svn: 112605
2010-08-31 17:03:33 +00:00
b1b493bcab
MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky.
...
llvm-svn: 112492
2010-08-30 17:20:17 +00:00
8199447851
The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev.
...
llvm-svn: 112473
2010-08-30 12:00:16 +00:00
f791b9fc56
Index external symbols by symbol table instead of parent section, by Roman Divacky.
...
llvm-svn: 112472
2010-08-30 11:59:29 +00:00
6ebea89316
Mark all common symbols external. This is not exactly correct but it lets apps
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link for now and can be adjusted later. Patch by Roman Divacky.
llvm-svn: 112471
2010-08-30 11:56:55 +00:00
95bb297c26
squish dead code.
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llvm-svn: 112350
2010-08-28 03:21:03 +00:00
1f6012479f
MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky.
...
llvm-svn: 112260
2010-08-27 10:40:51 +00:00
05e22982c8
MCELF: Always overwrite FixedValue.
...
llvm-svn: 112259
2010-08-27 10:38:39 +00:00
2c45f431fa
MCELF: Fix a thinko of mine.
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llvm-svn: 112203
2010-08-26 18:12:04 +00:00
929cc7618f
MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups.
...
llvm-svn: 112197
2010-08-26 17:23:02 +00:00
37b384cd66
MCELF: Use precomputed symbol indices, patch by Roman Divacky.
...
llvm-svn: 112079
2010-08-25 20:09:43 +00:00
237e4ecafb
MC: Fix inconsistant naming in COFF object writer. Patch by Cameron Esfahani.
...
llvm-svn: 112076
2010-08-25 19:27:27 +00:00
a71ab07e14
Change the parsing of .loc back to allow the LineNumber field to be optional as
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it is with other assemblers.
llvm-svn: 111967
2010-08-24 21:14:47 +00:00
ccd28d0665
Fix COFF x86-64 relocations. PR7960.
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Multiple symbol reloc handling part of the patch by Cameron Esfahani.
llvm-svn: 111963
2010-08-24 21:04:52 +00:00
1264b7cab8
First bit of support for the dwarf .loc directive. This patch updates the
...
needed parsing for the .loc directive and saves the current info from that
into the context. The next patch will take the current loc info after an
instruction is assembled and save that info into a vector for each section for
use to build the line number tables. The patch after that will encode the info
from those vectors into the output file as the dwarf line tables.
llvm-svn: 111956
2010-08-24 20:32:42 +00:00
2476432639
MC/AsmParser: Change ParseExpression to use ParseIdentifier(), to support
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dollars in identifiers.
llvm-svn: 111946
2010-08-24 19:13:42 +00:00
3b96ffdac1
MC/Parser: Accept leading dollar signs in identifiers.
...
- Implemented by manually splicing the tokens. If this turns out to be
problematically platform specific, a more elegant solution would be to
implement some context dependent lexing support.
llvm-svn: 111934
2010-08-24 18:12:12 +00:00
a536f077fe
Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky.
...
llvm-svn: 111925
2010-08-24 17:34:39 +00:00
02db8f6415
fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals.
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Also fix 0b010 syntax to actually work while we're at it :-)
llvm-svn: 111876
2010-08-24 00:43:25 +00:00
d41b53c037
Fix thinko. Having no tests is great ...
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llvm-svn: 111848
2010-08-23 21:32:00 +00:00
c4809c930a
Reduce code duplication.
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llvm-svn: 111846
2010-08-23 21:23:52 +00:00
86511dce18
ELFObjectWriter: Run ComputeSymbolTable before recording relocations. This way we can use the information it has computed and don't have to recompute the same stuff over and over again.
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llvm-svn: 111844
2010-08-23 21:19:37 +00:00
40f83489b4
Add the symbol offset to the relocation value when we relocate against section. By Roman Divacky.
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llvm-svn: 111824
2010-08-23 19:05:46 +00:00
620b68e883
Use the proper relocation section + cleanup, from Roman Divacky.
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llvm-svn: 111819
2010-08-23 18:24:20 +00:00
db06215b7f
Revert part of my last commit. the mingw32 build bot doesn't seem to like it.
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llvm-svn: 111793
2010-08-23 05:25:23 +00:00
e87231232a
Workaround broken jump tables on x86-64 COFF.
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llvm-svn: 111792
2010-08-23 04:45:37 +00:00
377aa20e6e
MC: Add partial x86-64 support to COFF.
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llvm-svn: 111728
2010-08-21 05:58:13 +00:00
448886d5df
MCELF: Count the section orders properly. Patch by Roman Divacky.
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llvm-svn: 111517
2010-08-19 13:44:49 +00:00
8e92d9b68d
MC/ELF: Allow null values in virtual sections, ELF doesn't use special
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directives for putting contents in .bss, for example.
llvm-svn: 111376
2010-08-18 18:22:37 +00:00
da7604f53d
Remove dead code. Fixes a GCC warning.
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llvm-svn: 111271
2010-08-17 19:45:05 +00:00
1afba421a9
Sketch i386 relocations handling, from Roman Divacky.
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Hello world builds & runs now on i386/ELF with -integrated-as.
llvm-svn: 111264
2010-08-17 18:20:28 +00:00
fd0541566b
Use the correct entry size for relocation entries, from Roman Divacky.
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llvm-svn: 111259
2010-08-17 17:56:13 +00:00
1fe76565d0
Differentiate between RELA and REL relocations, from Roman Divacky.
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llvm-svn: 111252
2010-08-17 17:30:07 +00:00
896bd7e932
One baby step towards i386 ELF, from Roman Divacky.
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llvm-svn: 111247
2010-08-17 17:02:29 +00:00
b962ca0ce5
Try to silence a overeager GCC warning.
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llvm-svn: 111214
2010-08-17 00:33:24 +00:00
5f237942f5
A round of minor cleanups for ELFObjectWriter.
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llvm-svn: 111213
2010-08-17 00:00:46 +00:00
be6cca2b7d
Silence warnings and simplify code. Eliminate a 32/64 bit portability issue.
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llvm-svn: 111201
2010-08-16 23:00:12 +00:00
1fe0d53aec
Fixes for generation of ELF relocations. Patch by Roman Divacky.
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llvm-svn: 111183
2010-08-16 21:17:09 +00:00
b20b5249d2
Fix a few warnings in and detabify MCELFStreamer and ELFObjectWriter.
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llvm-svn: 111175
2010-08-16 19:15:06 +00:00
6c1ad4835e
Add ELF ObjectWriter and Streamer support.
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I forgot to add these files in commit 111172.
llvm-svn: 111174
2010-08-16 18:57:57 +00:00
d83b927897
Add ELF ObjectWriter and Streamer support.
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llvm-svn: 111172
2010-08-16 18:35:43 +00:00
9cecd63b07
Layout helper function.
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Introduce a helper method to add a section to the end of a layout. This
will be used by the ELF ObjectWriter code to add the metadata sections
(symbol table, etc) to the end of an object file.
llvm-svn: 111171
2010-08-16 18:35:06 +00:00
c6beca522c
Record a symbol's size which is needed for ELF symbol tables.
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llvm-svn: 111170
2010-08-16 18:34:31 +00:00
1218ed824d
silence a vc2010 warning: " result of 32-bit shift implicitly converted to
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64 bits (was 64-bit shift intended?)", pointed out by 'nobled' on llvmdev
llvm-svn: 111148
2010-08-16 16:35:20 +00:00
2ecc3bb4f7
MC/AsmParser: Push the burdon of emitting diagnostics about unmatched
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instructions onto the target specific parser, which can do a better job.
llvm-svn: 110889
2010-08-12 00:55:38 +00:00
2eca0252c3
llvm-mc: Add -show-inst-operands, for dumping the parsed instruction representation before matching.
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llvm-svn: 110791
2010-08-11 06:37:09 +00:00
ebace2248f
MCAsmParser: Add dump() hook to MCParsedAsmOperand.
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llvm-svn: 110790
2010-08-11 06:37:04 +00:00
d215976208
MC/AsmParser: Fix a bug in macro argument parsing, which was dropping
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parentheses from argument lists.
llvm-svn: 110692
2010-08-10 17:38:52 +00:00
18bf25f189
Revert "MC/MachO: Fix possible null pointer dereference."
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This reverts commit 110575.
Target.isAbsolute() is true if SD would be null.
llvm-svn: 110683
2010-08-10 16:00:49 +00:00
7221b76c32
Next bit of support for the dwarf .file directive. This patch takes the
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previously collected info from the .file directives and outputs the encoded
bytes for it. For now this is only in the Mach-O streamer but at some point
will move to a more generic place.
llvm-svn: 110617
2010-08-09 22:52:14 +00:00
4a5167c836
MC/MachO: Fix possible null pointer dereference.
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Discovered by Microsoft Visual Studio 2010 Code Analysis.
llvm-svn: 110575
2010-08-09 15:28:05 +00:00
54cfd42c33
MC: Fix symbol fragment offsets in COFF.
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Patch by Cameron Esfahani!
llvm-svn: 110104
2010-08-03 05:02:46 +00:00
d32764c8a0
Revert "MC: Fix symbol fragment offsets in COFF."
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This reverts commit r110100
Wrong path caps.
llvm-svn: 110103
2010-08-03 04:53:28 +00:00
a6cfbeb98c
MC: Add time travel support to COFF.
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llvm-svn: 110101
2010-08-03 04:43:33 +00:00
cf3d8b4ec4
MC: Fix symbol fragment offsets in COFF.
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Patch by Cameron Esfahani!
llvm-svn: 110100
2010-08-03 04:43:24 +00:00
727be43a3d
Silence some -Asserts uninitialized variable warnings.
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llvm-svn: 109956
2010-07-31 21:08:54 +00:00
6b4925e223
Add relax all support to the COFF object streamer.
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llvm-svn: 109947
2010-07-31 06:22:29 +00:00
5dc31317dd
MC: Initialize MCFragment::Offset, noticed by Cameron Esfahani.
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llvm-svn: 109875
2010-07-30 18:32:09 +00:00
a3e0ddb564
Plug the remaining MC leaks by giving MCObjectStreamer/MCAsmStreamer ownership of the TargetAsmBackend and the MCCodeEmitter.
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llvm-svn: 109767
2010-07-29 17:48:06 +00:00
bccfec653d
Stop leaking std::strings in GetDwarfFile.
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llvm-svn: 109746
2010-07-29 13:53:19 +00:00
c2997dde85
COFFObjectWriter: Don't leak COFFSymbols and COFFSections.
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llvm-svn: 109745
2010-07-29 11:57:59 +00:00
b759a13da8
MC: Destroy Macro instances.
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llvm-svn: 109720
2010-07-29 01:51:55 +00:00
e5930f142a
Added first bit of support for the dwarf .file directive. This patch collects
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the info from the .file directive and makes file and directory tables that
will eventually be put out as part of the dwarf info in the output file.
llvm-svn: 109651
2010-07-28 20:55:35 +00:00
e397dded7b
MC: Put back the MCFragment vtable, so subclasses are destroyed properly (duh).
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llvm-svn: 109649
2010-07-28 20:28:45 +00:00
675b162512
Fix format-specifier warning
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llvm-svn: 109391
2010-07-26 03:55:44 +00:00
c21293792e
MC: Fix whitespace error from last commit.
...
A Visual C++ extension that removes trailing new lines? Seriously?
llvm-svn: 109390
2010-07-26 03:01:28 +00:00
b5fc138547
MC: Add WinCOFFObjectWriter implementation.
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Origonal Windows COFF implementation by Nathan Jedffords.
llvm-svn: 109389
2010-07-26 02:17:32 +00:00
d85e3c5a86
Initial modifications to MCAssembler and TargetMachine for the MCJIT.
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Patch by Olivier Meurant!
llvm-svn: 109080
2010-07-22 05:58:53 +00:00
a8f6c1cc26
Add some more handlers for ELF section directives.
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llvm-svn: 108928
2010-07-20 21:12:46 +00:00
14d74d649a
Let's get those buildbots green: #include is needed in the header, not just the implementation.
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llvm-svn: 108912
2010-07-20 20:16:11 +00:00
073660336c
apparently also missing an include.
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llvm-svn: 108908
2010-07-20 20:06:19 +00:00
4e8e93f142
this is in System
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llvm-svn: 108895
2010-07-20 19:54:01 +00:00
6faea9668f
turn this into a normal header.
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llvm-svn: 108891
2010-07-20 19:43:19 +00:00
55cdb62dd0
hopefully heal the linux builders
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llvm-svn: 108890
2010-07-20 19:40:51 +00:00
91773ea9b2
there is no reason to dynamically generate a static header.
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llvm-svn: 108887
2010-07-20 18:59:58 +00:00
7e52a45f8a
drop edinfo.inc into the objdir for src!=objdir builds.
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llvm-svn: 108886
2010-07-20 18:53:27 +00:00
529989b8b6
Update header.
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llvm-svn: 108883
2010-07-20 18:46:43 +00:00
79d68ddda8
hopefully teach cmake to build the .inc file.
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llvm-svn: 108874
2010-07-20 18:33:21 +00:00
6219596ff6
cmake too
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llvm-svn: 108872
2010-07-20 18:30:37 +00:00
3a14721829
forgot to add a file
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llvm-svn: 108870
2010-07-20 18:29:50 +00:00
979634bbb0
start straightening out libedis's dependencies and make it fit
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better in the llvm world. Among other things, this changes:
1. The guts of libedis are now moved into lib/MC/MCDisassembler
2. llvm-mc now depends on lib/MC/MCDisassembler, not tools/edis,
so edis and mc don't have to be built in series.
3. lib/MC/MCDisassembler no longer depends on the C api, the C
API depends on it.
4. Various code cleanup changes.
There is still a lot to be done to make edis fit with the llvm
design, but this is an incremental step in the right direction.
llvm-svn: 108869
2010-07-20 18:25:19 +00:00
6b4391aa69
MC/Mach-O: Silently ignore .file directives instead of error'ing out on
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them. They aren't important enough to abort the entire assembly, and failing
early makes testing more annoying.
llvm-svn: 108747
2010-07-19 20:44:20 +00:00
2ed9f4bd39
_[A-Z] identifiers are reserved for the implementation.
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llvm-svn: 108682
2010-07-19 06:26:19 +00:00
e2da0a478d
MC: Add WinCOFFStreamer implementation and merge common code from MachO
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into MCObjectStreamer.
Origonal Windows COFF implementation by Nathan Jedffords.
llvm-svn: 108678
2010-07-19 06:13:10 +00:00
eefe8616be
TblGen/AsmMatcher: Add support for honoring instruction Requires<[]> attributes as part of the matcher.
...
- Currently includes a hack to limit ourselves to "In32BitMode" and "In64BitMode", because we don't have the other infrastructure to properly deal with setting SSE, etc. features on X86.
llvm-svn: 108677
2010-07-19 05:44:09 +00:00
20b026464e
Make .align parse correctly on platforms where .align is measured in bytes.
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llvm-svn: 108674
2010-07-19 04:17:25 +00:00
8897d479b5
MC/AsmParser: Stop playing unsafe member function pointer calls, this isn't
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portable enough.
- Downside is we now double dispatch through a stub function, but this isn't
performance critical.
llvm-svn: 108661
2010-07-18 22:22:07 +00:00
40a564f09f
MC/AsmParser: Fix .abort and .secure_log_unique to accept arbitrary token
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sequences, not just strings.
llvm-svn: 108655
2010-07-18 20:15:59 +00:00
6fb1c3ad8a
MC/AsmParser: Add macro argument substitution support.
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llvm-svn: 108654
2010-07-18 19:00:10 +00:00
4323571efb
MC/AsmParser: Add basic support for macro instantiation.
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llvm-svn: 108653
2010-07-18 18:54:11 +00:00
c1f58ec83c
MC/AsmParser: Add basic parsing support for .macro definitions.
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llvm-svn: 108652
2010-07-18 18:47:21 +00:00
828984ff4e
MC/AsmParser: Add .macros_{off,on} support, not that makes sense since we don't
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support macros.
llvm-svn: 108649
2010-07-18 18:38:02 +00:00
d8a1845c31
MC/AsmParser: Use Error() instead of calling PrintMessage() directly.
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llvm-svn: 108648
2010-07-18 18:31:45 +00:00
ba6e354b61
MC/AsmParser: Fix TokError() to accept a Twine.
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llvm-svn: 108647
2010-07-18 18:31:42 +00:00
2a2c6cf5f9
MC/AsmParser: Hide the AsmParser implementation.
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llvm-svn: 108646
2010-07-18 18:31:38 +00:00
9de5967244
Start of .sleb128/.uleb128 parsing support.
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llvm-svn: 108612
2010-07-17 06:27:28 +00:00
9e36dd001a
Work-in-progress parsing for ELF .section directive.
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llvm-svn: 108609
2010-07-17 04:29:04 +00:00
56178a07bf
Add support for parsing .size directives for ELF.
...
llvm-svn: 108606
2010-07-17 03:09:18 +00:00
01e3607d70
MC/AsmParser: Lift Run() and TargetParser to base class.
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Also, add constructor function for creating AsmParser instances.
llvm-svn: 108604
2010-07-17 02:26:10 +00:00
c2b3675f8b
fix indentation and 80 cols
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llvm-svn: 108460
2010-07-15 21:19:31 +00:00
92d8998348
Don't pass StringRef by reference.
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llvm-svn: 108366
2010-07-14 22:38:02 +00:00
ab058b83e0
MC/AsmParser: Move ELF specific parser to ELFAsmParser.cpp.
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llvm-svn: 108196
2010-07-12 21:23:32 +00:00
0cb91cfc74
MC/AsmParser: Move Darwin specific parse to DarwinAsmParser.cpp.
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llvm-svn: 108193
2010-07-12 20:51:51 +00:00
a5bf6b6001
MC/AsmParser: Move .section parsing to Darwin specific parser.
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llvm-svn: 108190
2010-07-12 20:42:34 +00:00
aa59cf2686
MC/AsmParser: Move special section directive parsing to Darwin specific parser.
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llvm-svn: 108187
2010-07-12 20:23:36 +00:00
80be44a2ac
MC/AsmParser: Add a basic ELFAsmParser extension.
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llvm-svn: 108185
2010-07-12 20:08:04 +00:00
101c14c940
MC/AsmParser: Inline AsmParser::CreateSymbol into callers.
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llvm-svn: 108183
2010-07-12 19:52:10 +00:00
d388c93f87
MC/AsmParser: Move .tbss and .zerofill parsing to Darwin specific parser.
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llvm-svn: 108180
2010-07-12 19:37:35 +00:00
63a379dd5c
MC/AsmParser: Move .desc parsing to Darwin specific parser.
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llvm-svn: 108179
2010-07-12 19:22:53 +00:00
b992f1a95b
MC/AsmParser: Move .lsym parsing to Darwin specific parser.
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llvm-svn: 108176
2010-07-12 19:08:25 +00:00
ae9da1481a
MC/AsmParser: Move some misc. Darwin directive handling to DarwinAsmParser.
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llvm-svn: 108174
2010-07-12 18:49:22 +00:00
c5011088cd
MC/AsmParser: Add a DarwinAsmParser extension.
...
- Currently initialization is a bit of a hack, but harmless. We need to rework
various parts of target initialization to clean this up.
llvm-svn: 108165
2010-07-12 18:12:02 +00:00
dd41dcf270
MC/AsmParser: Switch a bunch of directive parsing to use accessors.
...
llvm-svn: 108163
2010-07-12 18:03:11 +00:00
86033407c9
MCAsmParser: Pull some directive handling out into a helper class, and change
...
DirectiveMap to be based on MCAsmParserExtension.
llvm-svn: 108161
2010-07-12 17:54:38 +00:00
cc21af1dfb
MC/AsmParser: Switch some directive parsing to use accessor methods.
...
llvm-svn: 108160
2010-07-12 17:45:27 +00:00
af3d1de891
MC: Add MCAsmParserExtension, a base class for all the target/object specific
...
classes which want to extend the basic asm parser.
llvm-svn: 108158
2010-07-12 17:27:45 +00:00
4be8f2ffad
MC: Move AsmParser::TokError to MCAsmParser().
...
llvm-svn: 108155
2010-07-12 17:18:45 +00:00
4042c33cd8
MC: Move getLoc() to MCAsmLexer().
...
llvm-svn: 108154
2010-07-12 17:10:00 +00:00
41b4a6b36a
Convert some tab stops into spaces.
...
llvm-svn: 108130
2010-07-12 08:16:59 +00:00
2c52b7997c
introduce WinCOFFObjectWriter, patch by Michael Spencer!
...
llvm-svn: 108103
2010-07-11 22:07:02 +00:00
56725be9ef
introduce WinCOFFStreamer.cpp, patch by Michael Spencer!
...
llvm-svn: 108102
2010-07-11 22:05:00 +00:00
ea9207cd7a
Revert some unneeded parts of the change in r107886 for the
...
.weak_def_can_be_hidden directive. Chris pointed out that the MCAsmInfo.h/.cpp
chunks aren't needed for this until the compiler starts generating these. And
when that happens it will be more convenient for it to be a bool than a const
char*.
llvm-svn: 107906
2010-07-08 20:30:44 +00:00
082d0fd7ad
Added the darwin .weak_def_can_be_hidden directive.
...
llvm-svn: 107886
2010-07-08 17:22:42 +00:00
05ea2a4791
finish up support for callw: PR7195
...
llvm-svn: 107826
2010-07-07 22:35:13 +00:00
0e980755d3
MC: Fix some stray hunks I didn't intend to commit.
...
llvm-svn: 107428
2010-07-01 20:48:51 +00:00
02877d6e85
MC: Pass the target instance to the AsmParser constructor.
...
llvm-svn: 107426
2010-07-01 20:41:56 +00:00
0aa4365e47
MC: Fix an error message.
...
llvm-svn: 107424
2010-07-01 20:20:01 +00:00
329d202362
MC: Move COFF enumeration constants to llvm/Support/COFF.h, patch by Michael
...
Spencer!
llvm-svn: 107418
2010-07-01 20:07:24 +00:00
3632171750
Revert r107205 and r107207.
...
llvm-svn: 107215
2010-06-29 22:34:52 +00:00
1767723dbe
Introducing the "linker_weak" linkage type. This will be used for Objective-C
...
metadata types which should be marked as "weak", but which the linker will
remove upon final linkage. For example, the "objc_msgSend_fixup_alloc" symbol is
defined like this:
.globl l_objc_msgSend_fixup_alloc
.weak_definition l_objc_msgSend_fixup_alloc
.section __DATA, __objc_msgrefs, coalesced
.align 3
l_objc_msgSend_fixup_alloc:
.quad _objc_msgSend_fixup
.quad L_OBJC_METH_VAR_NAME_1
This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".
llvm-svn: 107205
2010-06-29 21:24:00 +00:00
a85a90773c
The variable ValueSize is set to 1 on both code paths, and then
...
ignored! Remove it.
llvm-svn: 107138
2010-06-29 13:30:08 +00:00
1245e4c07d
The variable "Value" is carefully set to Layout.getSymbolAddress,
...
but then not actually used - maybe a bug? Remove the variable.
llvm-svn: 107137
2010-06-29 13:26:33 +00:00
5667a08468
Remove unused calls to Lexer.getLoc and the pointless variable HasFillExpr.
...
llvm-svn: 107136
2010-06-29 13:24:40 +00:00
e233dda2e2
Added the darwin .secure_log_unique and .secure_log_reset directives.
...
llvm-svn: 107077
2010-06-28 21:45:58 +00:00
7f85520644
Get the addend correct for i386 pic.
...
Thanks Daniel!
llvm-svn: 106608
2010-06-22 23:51:47 +00:00
79d2075e4a
"This is just a cosmetic change in MCAsmStreamer.cpp/EmitSymbolAttribute: all attributes have now a \t before and after, as done for '.type'.
...
This makes the output look consistent, as well as help some third party assemblers expecting the attributes to be in the second column."
Patch by Arnaud de Grandmaison!
llvm-svn: 106469
2010-06-21 20:35:01 +00:00
93f16372f9
Update comment.
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llvm-svn: 106191
2010-06-17 00:49:46 +00:00
74892d4f1f
In progress on 32-bit addends.
...
llvm-svn: 106154
2010-06-16 21:32:38 +00:00
ede8e6d2f0
MC/Mach-O: Rewrite atom association to be a final pass we do in Finish(), instead of tracking as part of emission.
...
- This allows sharing more code with the MCObjectStreamer.
llvm-svn: 106143
2010-06-16 20:04:32 +00:00
aa627c39e4
MC: Simplify MCAssembler::isSymbolLinkerVisible to only take an MCSymbol.
...
llvm-svn: 106142
2010-06-16 20:04:29 +00:00
b2347fe504
MC: Lift SwitchSection() and Finish() into MCObjectStreamer.
...
llvm-svn: 106141
2010-06-16 20:04:25 +00:00
8a3c9d9bc4
MC: Factor out an MCObjectStreamer class, which will be shared by the concrete
...
object file format writers.
llvm-svn: 106140
2010-06-16 20:04:22 +00:00
2092dc2acd
Fix indentation.
...
llvm-svn: 106072
2010-06-16 00:26:36 +00:00
a86c2bdd2c
Some more work on mach-o TLV relocations.
...
llvm-svn: 106062
2010-06-15 22:59:05 +00:00
a76715fc88
Don't call flush() at a library level which isn't checking for errors
...
and doesn't know where the output is going.
llvm-svn: 105274
2010-06-01 16:31:34 +00:00
eaddfac539
Rearrange conditionals so we don't get caught with the correct type as wrong.
...
llvm-svn: 104793
2010-05-27 00:52:31 +00:00
b889fc987e
MC: When running with -mc-relax-all, we can eagerly relax instructions and avoid creating unnecessary MCInstFragments.
...
llvm-svn: 104736
2010-05-26 20:37:03 +00:00
9d40ef162b
MC/Mach-O: Factor out EmitInstTo{Fragment,Data} for emitting MCInst's as MCInstFragments or appending onto an MCDataFragment.
...
llvm-svn: 104735
2010-05-26 20:37:00 +00:00
7c8bd0fc98
MC: Change RelaxInstruction to only take the input and output instructions.
...
llvm-svn: 104713
2010-05-26 18:15:06 +00:00
388ff9b1a2
MC: Eliminate an unnecessary copy.
...
llvm-svn: 104709
2010-05-26 17:50:16 +00:00
a19838e107
MC: Simplify MayNeedRelaxation to not provide the fixups, so we can query it
...
before encoding.
llvm-svn: 104707
2010-05-26 17:45:29 +00:00
b34440a6a8
MC: Eliminate MCAsmFixup, replace with MCFixup.
...
llvm-svn: 104699
2010-05-26 15:18:56 +00:00
353a91ff76
MC: Use accessors for access to MCAsmFixup.
...
llvm-svn: 104697
2010-05-26 15:18:31 +00:00
3627af5da4
MC: Change MCInst::dump_pretty to not include a trailing newline.
...
llvm-svn: 104696
2010-05-26 15:18:13 +00:00
870e5759e7
MC: Eliminate MCFragment vtable, which was unnecessary.
...
llvm-svn: 104689
2010-05-26 06:50:57 +00:00
e7b64dcc1e
Start adding mach-o tls reloc support.
...
llvm-svn: 104651
2010-05-26 00:02:12 +00:00
6738a2e39e
llvm-mc: Use EmitIntValue where possible, which makes the API calls from the AsmParser and CodeGen line up better.
...
llvm-svn: 104467
2010-05-23 18:36:38 +00:00
8271d1bb4a
llvm-mc: Use AddBlankLine in asm parser. This makes transliteration match the input much more closely, and also makes the API calls from the AsmParser and CodeGen line up better.
...
llvm-svn: 104466
2010-05-23 18:36:34 +00:00
3ff1a06de6
MC: Add an MCLoggingStreamer, for use in debugging integrated-as mismatches.
...
llvm-svn: 104463
2010-05-23 17:44:06 +00:00
09d47031b1
Expand on comment.
...
llvm-svn: 104396
2010-05-21 23:03:53 +00:00
3dca28d0e2
Fix section attribute name.
...
llvm-svn: 104381
2010-05-21 21:08:52 +00:00
ec9d6faef0
Add support for parsing the ELF .type assembler directive.
...
llvm-svn: 104316
2010-05-21 11:36:59 +00:00
141791c6d1
Grammar fix. This is a test commit.
...
llvm-svn: 104264
2010-05-20 19:45:09 +00:00
7c3e230cd1
Reduce string trashing.
...
llvm-svn: 104223
2010-05-20 14:14:22 +00:00
27e7ffc7d4
Partial code for emitting thread local bss data.
...
llvm-svn: 104197
2010-05-20 00:49:07 +00:00
7cbfa4462f
fix rdar://7986634 - match instruction opcodes case insensitively.
...
llvm-svn: 104183
2010-05-19 23:34:33 +00:00
feedc90c57
Implement EmitTBSSSymbol for MachOStreamer.
...
Fixes build failure as well.
llvm-svn: 104059
2010-05-18 21:26:41 +00:00
5c87be766d
Make EmitTBSSSymbol take a section argument so that we can find it later.
...
Fix up callers and users.
llvm-svn: 104057
2010-05-18 21:16:04 +00:00
7bcc9e9450
Incorporate Daniel's suggestion and use !isdigit(CurPtr[0]) and not
...
CurPtr[0] == '\n' when testing the character after a "0b" when looking
to see if it part of a something like "jmp 0b".
llvm-svn: 104039
2010-05-18 18:09:20 +00:00
53e0631516
Fixed the problem with a branch to "0b" that was not parsed by llvm-mc
...
correctly. The Lexer was incorrectly eating the newline casusing it to branch
to address 0. Updated the test case to use a "0:" label and a branch to "0b".
llvm-svn: 104038
2010-05-18 17:51:35 +00:00
d5563f420a
MC/Mach-O: Implement support for setting indirect symbol table offset in section header.
...
Also, create symbol data for LHS of assignment, to match 'as' symbol ordering better.
llvm-svn: 104033
2010-05-18 17:28:24 +00:00
f16c12d7a1
MC/Mach-O: Remove some FIXMEs.
...
llvm-svn: 104032
2010-05-18 17:28:20 +00:00
39617bb08a
MC/Mach-O: Fail faster/harder when we see .file, which isn't yet supported.
...
llvm-svn: 104031
2010-05-18 17:28:17 +00:00
ab7be75e3f
Simplify MCContext::(Next|Get)Instance
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- Allocate MCLabels in the context so they don't leak.
- Avoid duplicated densemap lookup.
llvm-svn: 104020
2010-05-18 12:15:34 +00:00
0510b48fd9
Added support in MC for Directional Local Labels.
...
llvm-svn: 103989
2010-05-17 23:08:19 +00:00
9635b3da6b
More data/parsing support for tls directives. Add a few more testcases
...
and cleanup comments as well.
llvm-svn: 103985
2010-05-17 22:53:55 +00:00
bb166bed40
MC/Mach-O/x86: Optimal nop sequences should only be used for the .text sections, not all sections in the text segment.
...
llvm-svn: 103981
2010-05-17 21:54:30 +00:00
ce5e1bb326
MC: Add dyn_cast support to MCSection.
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- Of questionable utility, since in general anything which wants to do this should probably be within a target specific hook, which can rely on the sections being of the appropriate type. However, it can be useful for short term hacks.
llvm-svn: 103980
2010-05-17 21:54:26 +00:00
b7b796cc11
MC/Mach-O: Reverse order of SymbolData scanning when emitting instructions.
...
- This fixes a string table mismatch with 'as' when two new symbols are defined
in a single instruction.
llvm-svn: 103979
2010-05-17 21:19:59 +00:00
bf79238599
Add some section and constant support for darwin TLS.
...
llvm-svn: 103974
2010-05-17 21:02:07 +00:00
0211a96989
MC/Mach-O: Fix some differences in symbol flag handling.
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- Don't clear weak reference flag, 'as' was only "trying" to do this, it wasn't
actually succeeding.
- Clear the "lazy bound" bit when we mark something external. This corresponds
roughly to the lazy clearing of the bit that 'as' implements in
symbol_table_lookup.
- The exact meaning of these flags appears pretty loose, since 'as' isn't very
consistent. For now we just try to match 'as', we will clean this up one day
hopefully.
llvm-svn: 103964
2010-05-17 20:12:31 +00:00
9b4a824217
llvm-mc: Support reassignment of variables in one special case, when the
...
variable has not yet been used in an expression. This allows us to support a few
cases that show up in real code (mostly because gcc generates it for Objective-C
on Darwin), without giving up a reasonable semantic model for assignment.
llvm-svn: 103950
2010-05-17 17:46:23 +00:00
68b1bbe66a
Assume that we'll handle mangling the symbols earlier and just put the
...
symbol to the file as we have it. Simplifies out tbss handling.
llvm-svn: 103928
2010-05-17 02:13:02 +00:00
2493ddfe42
MC/Mach-O/x86_64: Darwin's special "signed_N" relocation types should only be
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used to replace a normal relocation, not a reference to a GOT entry.
llvm-svn: 103789
2010-05-14 18:53:40 +00:00
9fb6bb07ca
Add AsmParser support for darwin tbss directive.
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Nothing uses this yet.
llvm-svn: 103757
2010-05-14 01:50:28 +00:00
bc81885ff7
Fix a couple of typos.
...
llvm-svn: 103756
2010-05-14 01:38:54 +00:00
4bce748aa2
MC: Switch to completely lazy layout.
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- The eliminates the last major algorithmic problem with MC.
llvm-svn: 103754
2010-05-14 00:51:14 +00:00
9abade1017
MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order.
...
llvm-svn: 103753
2010-05-14 00:37:21 +00:00
3eedc26e18
MC: Implicitly assign section addresses when the previous fragment is layed out.
...
llvm-svn: 103752
2010-05-14 00:37:17 +00:00
8f9d2266e6
MC: Switch MCFragment to storing the layout order index, not its index in the file.
...
llvm-svn: 103751
2010-05-14 00:37:14 +00:00
a99a23b061
MC: Change LayoutSection() to only do the section initializiation.
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Also, elimminate MCAsmLayout::set*, which are no longer needed.
llvm-svn: 103750
2010-05-14 00:37:11 +00:00
b9f6ac094a
MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile().
...
llvm-svn: 103738
2010-05-13 20:40:12 +00:00
454ea716a3
MC: Factor out MCAssembler::ComputeFragmentSize.
...
llvm-svn: 103724
2010-05-13 18:35:06 +00:00
484c6fc825
MC: Add section layout order indices to MCSectionData.
...
llvm-svn: 103715
2010-05-13 15:17:26 +00:00
aa8bd69886
MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly.
...
llvm-svn: 103711
2010-05-13 08:43:37 +00:00
e73353c720
MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout.
...
llvm-svn: 103710
2010-05-13 08:43:34 +00:00
e8845ef4db
MC: Add MCAsmLayout::FragmentReplaced() helper function.
...
llvm-svn: 103709
2010-05-13 08:43:31 +00:00
5a93253fc8
Fix -Asserts warning.
...
llvm-svn: 103697
2010-05-13 03:50:50 +00:00
d83889bd87
MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by
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utility functions.
llvm-svn: 103695
2010-05-13 03:19:50 +00:00
c7c53ea715
MC: Switch to using explicit MCAlignFragments with OnlyAlignAddress bit instead
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of manually doing padding/editing layout in LayoutSection().
- This probably seems like six-of-one and half-dozen of another, but there
is a method to my madness.
llvm-svn: 103693
2010-05-13 02:34:14 +00:00
a6780da661
MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment.
...
llvm-svn: 103690
2010-05-13 01:10:26 +00:00
4dac59dcb7
MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction).
...
llvm-svn: 103689
2010-05-13 01:10:22 +00:00
8cb4728a15
fix rdar://7965971 and a fixme: use ParseIdentifier in
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ParseDirectiveDarwinZerofill instead of hard coding the
check for identifier. This allows quoted symbol names to
be used.
llvm-svn: 103682
2010-05-13 00:10:34 +00:00
b76df22a2e
MC: Move MCAlignFragment::EmitNops value out of the constructor.
...
llvm-svn: 103665
2010-05-12 22:56:23 +00:00
4405ffc688
MC: Eliminate MCZeroFillFragment, it is no longer needed.
...
llvm-svn: 103664
2010-05-12 22:51:38 +00:00
7cd309f7dc
MC: Explicitly check that only virtual fragments appear in virtual sections.
...
llvm-svn: 103663
2010-05-12 22:51:35 +00:00
597eb48168
MC: Switch MCFillFragment to storing total fill size instead of a count. This allows using ValueSize==0 to represent a virtual fill.
...
llvm-svn: 103662
2010-05-12 22:51:32 +00:00
51402b79e4
MC: Drop support for alignment in ZeroFill fragment, we can just use
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MCAlignFragments for this.
llvm-svn: 103661
2010-05-12 22:51:27 +00:00
7d73564b82
Simplify.
...
llvm-svn: 103651
2010-05-12 21:47:55 +00:00
a7cc32a7b6
MC: Factor out MCAssembler::LayoutFragment
...
llvm-svn: 103649
2010-05-12 21:35:25 +00:00
2abec791f1
MC: Tweak section layout to not relying on accumulating address value.
...
llvm-svn: 103648
2010-05-12 21:35:22 +00:00
a11479eb49
MC: Simplify LayoutSection to just take the index of the section to layout.
...
llvm-svn: 103627
2010-05-12 17:56:47 +00:00
e02c1f6834
MC: Track section layout order explicitly, and use to simplify.
...
llvm-svn: 103616
2010-05-12 15:42:59 +00:00
d2de49ddda
stylistic change to MCSectionCOFF::PrintSwitchToSection COMDAT handling
...
Made a stylistic changed to the code/comments related to the unsupported COMDAT selection type IMAGE_COMDAT_SELECT_LARGEST based on from Anton Korobeynikov.
llvm-svn: 103590
2010-05-12 07:36:03 +00:00
b69c7b76f1
Add support for movi32 of global values to the new (MC) asm printer.
...
llvm-svn: 103576
2010-05-12 05:16:34 +00:00
76a07580ad
updated support for the COFF .linkonce
...
Now, the .linkonce directive is emitted as part of MCSectionCOFF::PrintSwitchToSection instead of AsmPrinter::EmitLinkage since it is an attribute of the section the symbol was placed into not the symbol itself.
llvm-svn: 103568
2010-05-12 04:26:09 +00:00
ba2f4c3884
MC/Mach-O/x86_64: Add a new hook for checking whether a particular section can
...
be diced into atoms, and adjust getAtom() to take this into account.
- This fixes relocations to symbols in fixed size literal sections, for
example.
llvm-svn: 103532
2010-05-12 00:38:17 +00:00
53ce0e12d8
MC/Mach-O/x86_64: Fix PCrel adjustment for x86_64, which was using the fixup
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offset instead of the fixup address as intended.
llvm-svn: 103527
2010-05-11 23:53:11 +00:00
7c6f0e3827
MC/Mach-O: As Kevin pointed out, 'Address' is really an offset -- rename to clarify.
...
llvm-svn: 103526
2010-05-11 23:53:07 +00:00
795baa1972
MC/Mach-O: Fix a crash on invalid.
...
llvm-svn: 103525
2010-05-11 23:53:05 +00:00
3937e28da0
MC/Mach-O x86_64: Switch to using fragment atom symbol.
...
- This eliminates getAtomForAddress() (which was a linear search) and
simplifies getAtom().
- This also fixes some correctness problems where local labels at the same
address as non-local labels could be assigned to the wrong atom.
llvm-svn: 103480
2010-05-11 17:22:50 +00:00
75778984f9
MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use a
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scattered relocation entry with a .weak_definition.
llvm-svn: 103443
2010-05-10 23:15:20 +00:00
7de3106a89
MC/Mach-O: Factor out doesSymbolRequireExternRelocation.
...
llvm-svn: 103442
2010-05-10 23:15:13 +00:00
aadb2cac49
MC/Mach-O: Explicitly track atoms, as represented by their defining symbol, for each fragment (not yet used).
...
llvm-svn: 103438
2010-05-10 22:45:09 +00:00
da7d01404d
test commit, added a comment to MCSectionCOFF::PrintSwitchToSection function
...
llvm-svn: 103372
2010-05-09 05:49:00 +00:00
72afa956db
break coff symbol definition stuff out into proper MCStreamer callbacks,
...
patch by Nathan Jeffords!
llvm-svn: 103346
2010-05-08 19:54:22 +00:00
028449325b
add COFF support for COMDAT sections, patch by Nathan Jeffords!
...
llvm-svn: 103304
2010-05-07 21:49:09 +00:00
51bed9c870
Fix i386 relocations to Weak Definitions. The relocation entries should be
...
external and the item to be relocated should not have the address of the
symbol added in.
llvm-svn: 103302
2010-05-07 21:44:23 +00:00
58a0bd48ad
Update CMake build.
...
llvm-svn: 103269
2010-05-07 17:29:48 +00:00
87cffa9498
switch MCSectionCOFF from a syntactic to semantic representation,
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patch by Peter Housel!
llvm-svn: 103267
2010-05-07 17:17:41 +00:00
b0ceb764b8
Revert r103137, fix for $ in labels. It looks like we can't actually handle this
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at the token level. Consider the following horrible test case:
a = 1
.globl $a
movl ($a), %eax
movl $a, %eax
movl $$a, %eax
llvm-svn: 103178
2010-05-06 14:46:38 +00:00
482fa218d4
fix rdar://7946934 - in some limited cases, the assembler should
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allow $ at the start of a symbol name.
llvm-svn: 103137
2010-05-05 23:51:28 +00:00
f3a53baf00
MC/Mach-O: Mark absolute variable's appropriately, and add Mach-O support for
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writing them.
- <rdar://problem/7885351> integrated assembler broken for i386 objc code
llvm-svn: 103112
2010-05-05 19:01:05 +00:00
deb7ba9cc0
MC: Reject attempts to define a variable symbol.
...
llvm-svn: 103111
2010-05-05 19:01:00 +00:00
8557426958
MC: Make setVariableValue check the redefinition condition a bit more strongly.
...
llvm-svn: 103110
2010-05-05 19:00:56 +00:00
7a989da0af
MC: Rename MCSymbol::{g,s}etValue -> MCSymbol::{g,s}etVariableValue.
...
llvm-svn: 103095
2010-05-05 17:41:00 +00:00
027fa5f31c
MC/Mach-O/x86_64: Relocations in debug sections should use local relocations
...
when possible.
- <rdar://problem/7934873>
llvm-svn: 103092
2010-05-05 17:22:39 +00:00
ce0c1e11ce
llvm-mc: Fix case were we would skip a line in the .s file after an instruction
...
match failure.
Also, fixes a few memory leak FIXMEs.
llvm-svn: 102986
2010-05-04 00:33:07 +00:00
b0a0a26df1
Add support for assemblers that don't support periods in a name
...
llvm-svn: 102594
2010-04-29 04:00:56 +00:00
926885c090
refactor .if handling code a bit.
...
llvm-svn: 101659
2010-04-17 18:14:27 +00:00
6b55cb9cd8
implement mc asmparser support for '.', which gets the
...
current PC. rdar://7834775
We now produce an identical .o file compared to the cctools
assembler for something like this:
_f0:
L0:
jmp L1
.long . - L0
L1:
jmp A
.long . - L1
.zerofill __DATA,_bss,A,0
llvm-svn: 101227
2010-04-14 04:40:28 +00:00
5418dd5fda
move elf section uniquing to MCContext. Along the way
...
merge XCore's section into MCSectionELF
llvm-svn: 100812
2010-04-08 21:26:26 +00:00
2073112fc0
move macho section uniquing from MCParser and TLOF to MCContext where
...
the compiler and asmparser now unique to the same sections. This fixes
rdar://7835021.
llvm-svn: 100807
2010-04-08 20:30:37 +00:00
53dd088b58
Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free.
...
llvm-svn: 100767
2010-04-08 15:25:57 +00:00
2104b8d36e
rename llvm::llvm_report_error -> llvm::report_fatal_error
...
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
3b21e4d404
Give AsmParser an option to control whether it finalizes
...
the stream. New demo:
$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000 subq $0x08,%rsp
0000000000000004 movl %edi,(%rsp)
0000000000000007 movl %edi,%eax
0000000000000009 incl %eax
000000000000000b movl %eax,(%rsp)
000000000000000e movl %eax,0x04(%rsp)
0000000000000012 addq $0x08,%rsp
0000000000000016 ret
llvm-svn: 100492
2010-04-05 23:15:42 +00:00
324c86600d
eliminate the magic AbsoluteDebugSectionOffsets MAI hook,
...
which is really a property of the section being referenced.
Add a predicate to MCSection to replace it.
Yay for reduction in magic.
llvm-svn: 100367
2010-04-04 23:22:29 +00:00
e239fa05cd
isAbsoluteEHSectionOffsets always returns false, eliminate it
...
and substitute false at the one call site.
llvm-svn: 100354
2010-04-04 21:29:44 +00:00
7012916275
fix an ugly wart in the MCInstPrinter api where the
...
raw_ostream to print an instruction to had to be specified
at MCInstPrinter construction time instead of being able
to pick at each call to printInstruction.
llvm-svn: 100307
2010-04-04 05:04:31 +00:00
1716721df1
add a twine form of MCStreamer::EmitRawText, and mc'ize
...
a few more things in AsmPrinter.cpp.
llvm-svn: 100294
2010-04-03 22:12:35 +00:00
aca014e24e
allow attaching comments to raw text.
...
llvm-svn: 100292
2010-04-03 22:06:56 +00:00
6ec72d2e8f
add <cstdlib> header for abort() on linux builders.
...
llvm-svn: 100290
2010-04-03 21:48:59 +00:00
8a87fb7633
add a new EmitInlineAsm function to asmprinter to handle inline asm.
...
If we have an MCAsmStreamer, we continue to emit asm textually,
otherwise we (currently) emit an error to errs and ignore it.
llvm-svn: 100289
2010-04-03 21:35:55 +00:00
9897043928
Rip out the 'is temporary' nonsense from the MCContext interface to
...
create symbols. It is extremely error prone and a source of a lot
of the remaining integrated assembler bugs on x86-64.
This fixes rdar://7807601.
llvm-svn: 99902
2010-03-30 18:10:53 +00:00
c95156262d
MC/Mach-O/x86_64: Support @GOTPCREL on symbols, even for non-PCrel relocations!
...
llvm-svn: 99853
2010-03-29 23:56:40 +00:00
d821f4ac60
llvm-mc: Add a -mc-relax-all option, which relaxes every fixup. We always need
...
exactly two passes in that case, and don't ever need to recompute any layout,
so this is a nice baseline for relaxation performance.
llvm-svn: 99563
2010-03-25 22:49:09 +00:00
6432bd744e
MC: Stop restarting layout on every relaxation.
...
- Still O(N^2), just a faster form, and now its the MCAsmLayout's fault.
On the .s I am tuning against (combine.s from 403.gcc):
--
ddunbar@lordcrumb:MC$ diff stats-before.txt stats-after.txt
5,10c5,10
< 1728 assembler - Number of assembler layout and relaxation steps
< 7707 assembler - Number of emitted assembler fragments
< 120588 assembler - Number of emitted object file bytes
< 2233448 assembler - Number of evaluated fixups
< 1727 assembler - Number of relaxed instructions
< 6723845 mcexpr - Number of MCExpr evaluations
---
> 3 assembler - Number of assembler layout and relaxation steps
> 7707 assembler - Number of emitted assembler fragments
> 120588 assembler - Number of emitted object file bytes
> 14796 assembler - Number of evaluated fixups
> 1727 assembler - Number of relaxed instructions
> 67889 mcexpr - Number of MCExpr evaluations
--
Feel free to LOL at the -before numbers, if you like.
I am a little surprised we make more than 2 relaxation passes. It's pretty
trivial for us to do relaxation out-of-order if that would give a speedup.
llvm-svn: 99543
2010-03-25 19:35:56 +00:00
0ba6a671d4
MC: Simplify main section layout process by moving alignment into LayoutSection.
...
llvm-svn: 99529
2010-03-25 18:16:42 +00:00
25d114b2b2
MC: Sink Section address assignment into LayoutSection.
...
llvm-svn: 99528
2010-03-25 18:16:38 +00:00
951459740c
MC/Mach-O: Switch to MCSectionData::getOrdinal.
...
llvm-svn: 99504
2010-03-25 08:08:54 +00:00
4108802628
MC: Explicity track section and fragment ordinals.
...
llvm-svn: 99500
2010-03-25 07:10:11 +00:00
eaa792f0d9
Fix -Asserts warning.
...
llvm-svn: 99499
2010-03-25 07:10:05 +00:00
5b07334c0d
MC: Route access to SectionData offset and file size through MCAsmLayout.
...
llvm-svn: 99474
2010-03-25 02:00:07 +00:00
2522dd1c49
MC: Route access to Fragment offset and effective size through MCAsmLayout.
...
llvm-svn: 99473
2010-03-25 02:00:02 +00:00
5d98824615
MC: Eliminate MC{Fragment,{Section,Symbol}Data}::getAddress.
...
llvm-svn: 99467
2010-03-25 01:03:24 +00:00
5caf2ff561
MC: Fix refacto in MCExpr evaluation, I mistakenly replaced a fragment address with a symbol address.
...
- This fixes the integrated-as nightly test regressions.
llvm-svn: 99466
2010-03-25 01:03:17 +00:00
7c969558d9
MC: Direct all {fragment,section,symbol} address access through the MCAsmLayout object.
...
llvm-svn: 99380
2010-03-24 03:43:40 +00:00
5376c2a431
MC: Sprinkle in some more interesting statistics.
...
llvm-svn: 99350
2010-03-23 23:47:14 +00:00
5cfb58719d
llvm-mc: Fast path EvaluateAbsolute of constants.
...
llvm-svn: 99348
2010-03-23 23:47:07 +00:00
de04b3f62c
MC: Switch to using MCInst fragments to do relaxation.
...
Also, both MCMachOStreamer and MCAssembler are now target independent!
llvm-svn: 99256
2010-03-23 05:09:03 +00:00
86face8333
MC: Add TargetAsmBackend::MayNeedRelaxation, for checking whether a particular instruction + fixups might need relaxation.
...
llvm-svn: 99249
2010-03-23 03:13:05 +00:00
a9ae3ae698
MC: Add TargetAsmBackend::WriteNopData and use to eliminate some target dependencies in MCMachOStreamer and MCAssembler.
...
llvm-svn: 99248
2010-03-23 02:36:58 +00:00
16cbe95dd6
MC: Tweak MCInstFragment to include the encoded data and fixups, so that we don't need to recompute them during relaxation. I will revisit this once all the other pieces of fast relaxation are in place.
...
llvm-svn: 99244
2010-03-23 01:39:05 +00:00
a99d232803
Put MCSectionCOFF::Name into the MCContext instead of leaking it.
...
llvm-svn: 99231
2010-03-22 23:26:12 +00:00
b31c49a70d
MC: Add MCInstFragment, not used yet.
...
llvm-svn: 99229
2010-03-22 23:16:48 +00:00
a75f01a905
Add a FIXME.
...
llvm-svn: 99228
2010-03-22 23:16:43 +00:00
fdc7ccc4e4
MC: Fix a few more cases we were passing an MCDataFragment when a MCFragment would do, and sprinkle in some const.
...
llvm-svn: 99218
2010-03-22 21:49:41 +00:00
20ea02fde2
Simplify.
...
llvm-svn: 99217
2010-03-22 21:49:38 +00:00
04047fbe14
MCInst: Add ::dump_pretty.
...
llvm-svn: 99216
2010-03-22 21:49:34 +00:00
a0ab4bf989
MC: Change MCObjectWriter::RecordRelocation to take an MCFragment (instead of a MCDataFragment). Object files should only need the generic MCFragment features.
...
llvm-svn: 99205
2010-03-22 20:35:50 +00:00
f1f1827bfa
MC/Mach-O: Factor out getOrCreateDataFragment().
...
llvm-svn: 99204
2010-03-22 20:35:46 +00:00
9213355a91
MC: Eliminate MCFragment::getMaxFileSize.
...
llvm-svn: 99203
2010-03-22 20:35:43 +00:00
32ffc58ca9
MC: Share the MCAsmLayout object, although its still not used for anything important.
...
llvm-svn: 99202
2010-03-22 20:35:35 +00:00
5ea5fab22b
Better fix for r98994, MachObjectWriterImpl wasn't intended to be virtual.
...
llvm-svn: 99031
2010-03-20 01:58:40 +00:00
07b4f8cd4b
Fix -Wnon-virtual-dtor warning.
...
llvm-svn: 98994
2010-03-19 21:26:46 +00:00
1a81ad3559
MC/Mach-O/x86_64: Add relocation support.
...
- This is "extraordinarily" Darwin 'as' compatible. See the litany of FIXMEs littered about for more information.
- There are a few cases which seem to clearly be 'as' bugs which I have left unsupported, and there is one cases where we diverge but should fix if it blocks diffing .o files (Darwin 'as' ends up widening a jump unnecessarily).
- 403.gcc build, runs, and diffs equivalently to the 'as' built version now (using llvm-mc). However, it builds so slowly that I wouldn't recommend trying it quite yet. :)
llvm-svn: 98974
2010-03-19 18:07:55 +00:00
4d7c8645fd
MC: Add TargetAsmBackend::createObjectWriter.
...
- MCAssembler is now object-file independent, although we will surely need more work to fully support ELF/COFF.
llvm-svn: 98955
2010-03-19 10:43:26 +00:00
eaa367f5ae
MCCodeEmitter: Add target independent fixup flag for is-pc-relative.
...
llvm-svn: 98954
2010-03-19 10:43:23 +00:00
1bd7171c95
MC: Sink code emitter into MCAssembler.
...
llvm-svn: 98953
2010-03-19 10:43:18 +00:00
79e0e5a631
MC/Mach-O: Move to MachObjectWriter.{h,cpp}.
...
llvm-svn: 98952
2010-03-19 10:43:15 +00:00
c5084cccc8
MC: Add TargetAsmBackend::isVirtualSection hook.
...
llvm-svn: 98950
2010-03-19 09:29:03 +00:00
f027abf7de
MC: Split MCObjectWriter out of MCAssembler.cpp.
...
llvm-svn: 98949
2010-03-19 09:28:59 +00:00
49e5a8ac2a
MCAssembler: Pull out MCObjectWriter class.
...
llvm-svn: 98948
2010-03-19 09:28:55 +00:00
f0517efc6c
MCAssembler: Move ApplyFixup to the TargetAsmBackend, this is a target specific not object writer specific task.
...
llvm-svn: 98947
2010-03-19 09:28:12 +00:00
3cab275783
MC/Mach-O: Lift the fixup evaluation and application up (to the same place), and eliminate MCAsmFixup::FixedValue.
...
llvm-svn: 98944
2010-03-19 07:09:47 +00:00
d84d196a86
MC/Mach-O: Factor out ExecutePostLayoutBinding, to separate the post-layout changes the object writer may need to make to the assembler from the actual .o writing.
...
llvm-svn: 98943
2010-03-19 07:09:33 +00:00
563d40eda6
MC/Mach-O: Lift relocation emission logic a bit higher to separate evaluation / relocation handling from the actual .o writing.
...
llvm-svn: 98942
2010-03-19 07:09:18 +00:00
90a7859ebc
fix an MCInstPrinter leak that jyasskin pointed out:
...
createAsmStreamer now takes ownership of the instprinter.
llvm-svn: 98939
2010-03-19 05:48:53 +00:00
0f7fbb3d00
MC/Mach-O: Add isScatteredFixupFullyResolved, which implements the correct algorithm (used on x86_64) for determining whether an evaluated fixup is fully resolved (doesn't need relocation).
...
- Test cases will follow, once we have x86_64 relocation support.
llvm-svn: 98926
2010-03-19 03:18:18 +00:00
6e13bb07fb
MC/Mach-O/x86_64: Add getAtom[ForAddress].
...
- These find the defining symbol which identifies the containing atom for a symbol or address. They are currently very slow, but will be eliminated eventually.
llvm-svn: 98925
2010-03-19 03:18:15 +00:00
5ec4bdd1b3
MC/Mach-O: Factor out isScatteredFixupFullyResolvedSimple predicate, and fix some corner cases.
...
llvm-svn: 98924
2010-03-19 03:18:12 +00:00
c558ec211f
MC/Mach-O: Factor out isSymbolLinkerVisible method; "linker visible" is a made up term to refer to non-temporary labels + temporary labels in sections-which-require symbols. For Darwin, it corresponds to symbols which effectively define an atom.
...
llvm-svn: 98923
2010-03-19 03:18:09 +00:00
9c64ec0a7e
MCValue: Change to holding MCSymbolRefExprs instead of MCSymbols, we will need this for accessing to symbol modifiers.
...
llvm-svn: 98791
2010-03-18 00:59:10 +00:00
6544baff6f
MC/Darwin: Add a new target hook for whether the target uses "reliable" symbol differences, basically whether the assembler should attempt to understand atoms when using scattered symbols.
...
Also, avoid some virtual call overhead.
llvm-svn: 98789
2010-03-18 00:58:53 +00:00
aed00fa039
fix GetOrCreateTemporarySymbol to require a name, clients
...
should use CreateTempSymbol() if they don't care about the
name.
llvm-svn: 98712
2010-03-17 05:41:18 +00:00
5599256415
MC: Allow modifiers in MCSymbolRefExpr, and eliminate X86MCTargetExpr.
...
- Although it would be nice to allow this decoupling, the assembler needs to be able to reason about MCSymbolRefExprs in too many places to make this viable. We can use a target specific encoding of the variant if this becomes an issue.
- This patch also extends llvm-mc to support parsing of the modifiers, as opposed to lumping them in with the symbol.
llvm-svn: 98592
2010-03-15 23:51:06 +00:00
fe8d866fc7
MC/Mach-O/x86_64: Temporary labels in cstring sections require symbols (and external relocations, but we don't have x86_64 relocations yet).
...
llvm-svn: 98583
2010-03-15 21:56:50 +00:00
232dc953ac
MC/Mach-O: Add MCSectionMachO::getType()
...
llvm-svn: 98582
2010-03-15 21:56:38 +00:00
133487696a
fix a memory leak yjasskin pointed out: MCSymbol is bump pointer
...
allocated and thus not freed. This is cool except that it contains
and std::string so the string data didn't get freed. In any case
there is no reason to redundantly store the string data in the
MCSymbol anyway, just make the MCSymbol ref the string data in the
MCContext StringMap.
llvm-svn: 98536
2010-03-15 06:15:35 +00:00
073d817958
add a new CreateTempSymbol method, the use case for
...
CreateTempSymbol vs GetOrCreateTemporarySymbol are
completely different.
llvm-svn: 98486
2010-03-14 08:23:30 +00:00
aa8f95eb56
MC: Fix a crash on invalid, attempting to evaluate undefined symbols.
...
llvm-svn: 98464
2010-03-14 03:10:40 +00:00
7c1f3d8cad
MC/X86_64: Symbol support.
...
llvm-svn: 98456
2010-03-13 22:49:35 +00:00
56597588f0
MC/Mach-O: Initial x86_64 support.
...
llvm-svn: 98454
2010-03-13 22:10:17 +00:00
341b1d25f1
add a hack to allow parsing negative minint. rdar://7751341
...
llvm-svn: 98442
2010-03-13 19:25:13 +00:00
34b8e553ea
MC/Mach-O: PCrel relocations weren't using the right base address, they are
...
relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.
llvm-svn: 98420
2010-03-13 02:38:00 +00:00
322fec671b
llvm-mc: Support -n, useful for comparing -integrated-as output since the
...
compiler may not lead with the text section.
llvm-svn: 98418
2010-03-13 02:20:57 +00:00
12f1e32d59
MC/Mach-O: Implement initial support for relaxation.
...
- The implementation is currently very brain dead and inefficient, but I have a
clear plan on how to fix it.
- The good news is, it works and correctly assembles 403.gcc (when built with
Clang, at '-Os', '-Os -g', and '-O3'). Even better, at '-Os' and '-Os -g',
the resulting binary is exactly equivalent to that when built with the system
assembler. So it probably works! :)
llvm-svn: 98396
2010-03-12 22:07:14 +00:00
8d99c764d3
move fastcall/stdcall mangling up into Mangler.
...
llvm-svn: 98384
2010-03-12 21:03:47 +00:00
ea9e2f8a15
MC: Factor out MCAssembler::EvaluateFixup, and simplify.
...
llvm-svn: 98381
2010-03-12 21:00:49 +00:00
968b36a0bd
MC: Constify MCAsmLayout argument to MCExpr::EvaluteAs...
...
llvm-svn: 98380
2010-03-12 21:00:45 +00:00
921e79f5eb
MC: Add MCAssembler::addFixup, which enforces that fixups are added in order.
...
llvm-svn: 98379
2010-03-12 21:00:38 +00:00
ac77bf5d1e
remove MAI argument from createAsmStreamer since it
...
can get it from the context now.
llvm-svn: 98361
2010-03-12 18:28:53 +00:00
d3691dd04b
enhance MCContext::GetOrCreateTemporarySymbol() to create a new symbol
...
with an arbitrary unique name.
llvm-svn: 98294
2010-03-11 22:56:10 +00:00
768ea2add2
change MCContext to always have an MCAsmInfo.
...
llvm-svn: 98293
2010-03-11 22:53:35 +00:00
216e7299d7
empty symbols aren't possible, the mcsymbol ctor aborts on them.
...
llvm-svn: 98288
2010-03-11 21:38:58 +00:00
64b408b124
MC/Mach-O: Add MCSymbolData::getAddress() utility.
...
llvm-svn: 98266
2010-03-11 18:22:51 +00:00
5c5228a8f6
MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables.
...
llvm-svn: 98241
2010-03-11 05:53:37 +00:00
cf55f96214
MC/Mach-O: Start passing in the basic MCAsmLayout object.
...
- Also, drop the current location part of AsmLayout, I think I prefer to implement this via explicit symbols.
llvm-svn: 98240
2010-03-11 05:53:33 +00:00
ac8a95498a
MC: Sketch initial MCAsmLayout class, which encapsulates the current layout of an assembly file. The MCAsmLayout is also available for use by MCExpr::EvaluateAs{Absolute,Relocatable}, to allow target specific hooks and "absolutizing" of symbols.
...
llvm-svn: 98227
2010-03-11 02:28:59 +00:00
c5ddbad237
MC: Provide MCAssembler with a TargetAsmBackend.
...
llvm-svn: 98222
2010-03-11 01:34:27 +00:00
dc765e9f03
MC/Mach-O: Use the MCAssembler symbol map instead of reconstructing.
...
llvm-svn: 98187
2010-03-10 20:58:31 +00:00
6eab721011
MC: Move the backend section and symbol data maps to MCAssembler.
...
llvm-svn: 98186
2010-03-10 20:58:29 +00:00
7e3283c055
Remove unneeded includes.
...
llvm-svn: 98167
2010-03-10 17:56:05 +00:00
71c30c164f
move three lowering hooks from MAI to TLOF and make one of them
...
semantic instead of syntactic. This completes MCization of
darwin/x86[-64]!
llvm-svn: 98145
2010-03-10 07:20:42 +00:00
ac2361a9b0
set the temporary bit on MCSymbols correctly.
...
llvm-svn: 98124
2010-03-10 02:25:11 +00:00
46ed804180
MC/Mach-O: Resolve a FIXME; these relocation types are no longer semanticaly different.
...
llvm-svn: 98120
2010-03-10 02:10:29 +00:00
b973ea88b5
eliminate MCContext::CreateSymbol and CreateTemporarySymbol.
...
Add a new GetOrCreateTemporarySymbol method and a version that
takes a twine.
llvm-svn: 98118
2010-03-10 01:29:27 +00:00
27b984ac85
MC/Mach-O: Use the SECTDIFF relocation type for (A - B + constant) where A is external.
...
- I'm not sure why, but this is what 'as' does.
llvm-svn: 98115
2010-03-10 00:58:25 +00:00
aab52840af
make the NullStreamer set the section on a label when emitted so that isDefined() works.
...
llvm-svn: 98100
2010-03-09 23:12:18 +00:00
3dde457b94
MC/Mach-O: For PCrel relocations, we need to compensate for the PCrel adjustment when determining if we need a scattered relocation.
...
llvm-svn: 98082
2010-03-09 21:27:58 +00:00
d49794e703
MC/Mach-O: Also set the PCrel bit in the second half of paired relocation entries.
...
llvm-svn: 98081
2010-03-09 21:27:47 +00:00
4680000b27
MC/Mach-O: Don't generate relocations for PCrel fixups to local labels.
...
llvm-svn: 98080
2010-03-09 21:27:30 +00:00
cb01210eca
MC/Mach-O: Tweak .dump() formatting.
...
llvm-svn: 98028
2010-03-09 01:12:23 +00:00
97d64717c4
MC/Mach-O: Don't adjust section sizes when aligning zero fill sections, just pad the address.
...
llvm-svn: 98027
2010-03-09 01:12:20 +00:00
b14490d912
add a EmitSymbolValue convenience method to MCStreamer.
...
llvm-svn: 98017
2010-03-09 00:39:24 +00:00
3a3f472cb4
MC/Macho-O: Align the zerofill section itself to the maximum alignment.
...
llvm-svn: 97991
2010-03-08 22:03:42 +00:00
6622fe7873
MC/Mach-O: Fix address compution for zero fill sections.
...
llvm-svn: 97984
2010-03-08 21:10:42 +00:00
c6ac7940d9
MC/Mach-O: Error out instead of crashing on invalid scattered relocation expressions.
...
llvm-svn: 97983
2010-03-08 21:10:39 +00:00
bb592eb9d0
pass in more section kinds, enough to get the .align 0x90
...
stuff to emit optimal nops in the right places.
llvm-svn: 97233
2010-02-26 18:32:26 +00:00
7f99302dc9
This is a patch to the assembler frontend to detect when aligning a text
...
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment(). This allows x86 assembly code to be aligned
with optimal nops.
llvm-svn: 97158
2010-02-25 18:46:04 +00:00
c26ddccf38
This is the second patch to allow x86 code to be aligned with optimal nops.
...
With the compiler changed to use EmitCodeAlignment() it does change the
functionality. But X86 assembly code assembled with llvm-mc does not change
its output. For that we will eventually change the assembler frontend to
detect a '.align x, 0x90' when used in a section that 'hasInstructions' and use
EmitCodeAlignment, but will wait until we have better target hooks.
llvm-svn: 96988
2010-02-23 21:41:24 +00:00
eebaf6a76f
genericize MCAsmStreamer::EmitCodeAlignment to support other targets
...
so that it doesn't break them when the code generator starts using it.
llvm-svn: 96966
2010-02-23 18:44:31 +00:00
e83d74f626
This is the first patch to put the needed bits in place to eventually allow code
...
to be aligned with optimal nops. This patch does not change any functionality
and when the compiler is changed to use EmitCodeAlignment() it should also not
change the resulting output. Once the compiler change is made and everything
looks good the next patch with the table of optimal X86 nops will be added to
WriteNopData() changing the output. There are many FIXMEs in this patch which
will be removed when we have better target hooks (coming soon I hear).
llvm-svn: 96963
2010-02-23 18:26:34 +00:00
5fe3129a5d
MC/Mach-O: Remove non-sensical comment, and add a missing AddValueSymbols call.
...
llvm-svn: 96809
2010-02-22 22:08:57 +00:00
40eb7f0991
MC/X86: Add stub AsmBackend.
...
llvm-svn: 96763
2010-02-21 21:54:14 +00:00
3bea9bfa04
MC: Sketch registry support for target specific assembler backends.
...
llvm-svn: 96762
2010-02-21 21:53:53 +00:00
1d7179ad63
MC/Mach-O: Update fixup values for change to X86 offsets.
...
llvm-svn: 96532
2010-02-17 23:45:16 +00:00
fe562b6598
Pacify gcc-4.5, which warns (correctly) that these switches have
...
cases that are not part of the enum.
llvm-svn: 96477
2010-02-17 14:52:22 +00:00
8408c126c1
MCAssembler: Fix pcrel relocations. Oh and,
...
--
ddunbar@ozzy:tmp$ clang -m32 -integrated-as hello.c && ./a.out
hello world!
--
llvm-svn: 96096
2010-02-13 09:45:59 +00:00
1e2fad3de8
MC/Mach-O: Start emitting fixups/relocations for instructions.
...
llvm-svn: 96095
2010-02-13 09:29:02 +00:00
3374835b46
MCAssembler: Switch MCAsmFixup to storing MCFixupKind instead of just a size.
...
llvm-svn: 96094
2010-02-13 09:28:54 +00:00
97867a9cfc
MCAssembler: Sink fixup list into MCDataFragment.
...
llvm-svn: 96093
2010-02-13 09:28:43 +00:00
056bc60336
MCAssembler: Switch MCFillFragment to only taking constant values. Symbolic expressions can always be emitted as data + fixups.
...
llvm-svn: 96092
2010-02-13 09:28:32 +00:00
1a1fbb50fc
MC/Mach-O: Implement EmitValue using data fragments + fixups instead of fill fragment.
...
llvm-svn: 96091
2010-02-13 09:28:22 +00:00
8e53203154
MCAssembler: Start applying fixups in the data section.
...
llvm-svn: 96090
2010-02-13 09:28:15 +00:00
bedf1d4a41
MCAssembler: Add assorted dump() methods.
...
llvm-svn: 96089
2010-02-13 09:28:03 +00:00
d0c6d361fe
MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'.
...
llvm-svn: 96064
2010-02-13 01:28:07 +00:00
524138176d
add a new MCInstPrinter::getOpcodeName interface, when it is
...
implemented, llvm-mc --show-inst now uses it to print the
instruction opcode as well as the number.
llvm-svn: 95929
2010-02-11 22:39:10 +00:00
1d34759721
MC: Move assembler-backend's fixup list into the fragment.
...
llvm-svn: 95926
2010-02-11 21:29:46 +00:00
ee82e763e6
MC: Move MCSectionData::Fixup out to MCAsmFixup.
...
llvm-svn: 95925
2010-02-11 21:29:29 +00:00
ddeceae839
make getFixupKindInfo return a const reference, allowing
...
the tables to be const. Teach MCCodeEmitter to handle
the target-indep kinds so that we don't crash on them.
llvm-svn: 95924
2010-02-11 21:27:18 +00:00
605474463f
MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the
...
MCInst it came from.
llvm-svn: 95767
2010-02-10 04:47:08 +00:00
75c9a4eeae
llvm-mc: Remove --show-fixups and always show as part of --show-encoding.
...
Also, fix a silly memory leak.
llvm-svn: 95752
2010-02-10 01:41:14 +00:00
69920c5c8a
daniel *really* likes fixups!
...
llvm-svn: 95742
2010-02-10 01:05:28 +00:00
482bf69bfe
Add ability for MCInstPrinters to add comments for instructions.
...
Enhance the x86 backend to show the hex values of immediates in
comments when they are large. For example:
movl $1072693248, 4(%esp) ## imm = 0x3FF00000
llvm-svn: 95728
2010-02-10 00:10:18 +00:00
9a0a46163d
llvm-mc: Add --show-fixups option, for displaying the instruction fixup information in the asm comments.
...
llvm-svn: 95710
2010-02-09 23:00:14 +00:00
b311a6b3ae
MC: First cut at MCFixup, for getting fixup/relocation information out of an MCCodeEmitter.
...
llvm-svn: 95708
2010-02-09 22:59:55 +00:00
89261502cb
make -show-inst be formatted a bit nicer. Before:
...
movl $3735928559, a ## inst: <MCInst 1273 <MCOperand Reg:0> <MCOperand Imm:1> <MCOperand Reg:0> <MCOperand Expr:(a)> <MCOperand Reg:0> <MCOperand Expr:(3735928559)>>
after:
movl $3735928559, a ## <MCInst #1273
## <MCOperand Reg:0>
## <MCOperand Imm:1>
## <MCOperand Reg:0>
## <MCOperand Expr:(a)>
## <MCOperand Reg:0>
## <MCOperand Expr:(3735928559)>>
llvm-svn: 95637
2010-02-09 00:54:51 +00:00
9a9d9ea7bc
Document that MCExpr::Mod is actually remainder.
...
Document that MCExpr::Div, Mod, and the comparison operators are all
signed operators.
Document that the comparison operators' results are target-dependent.
Document that the behavior of shr is target-dependent.
llvm-svn: 95619
2010-02-08 23:58:47 +00:00
54d88f1759
don't make hte dtor private or we can't construct the class.
...
llvm-svn: 95587
2010-02-08 22:07:36 +00:00
38d022efe9
add scaffolding for target-specific MCExprs.
...
llvm-svn: 95559
2010-02-08 19:41:07 +00:00
175629608e
print encodings like this:
...
pslld 69, %mm3 ## encoding: [0x0f,0xf2,0x1c,0x25,0x45,0x00,0x00,0x00]
instead of like this:
pslld 69, %mm3 ## encoding: [0x0f,0xf2,0x1c,0x25,0x45,0000,0000,0000]
this only affects 0.
llvm-svn: 95441
2010-02-05 22:20:08 +00:00
675ae27e37
MC: Change default comment column to 40 characters.
...
llvm-svn: 95378
2010-02-05 07:32:18 +00:00
77fe07a93a
Use a tab instead of space after .type, for consistency.
...
llvm-svn: 95272
2010-02-04 01:42:13 +00:00
e3ee332fe0
llvm-mc: Add --show-inst option, for showing the MCInst inline with the assembly
...
output.
llvm-svn: 95227
2010-02-03 18:18:30 +00:00
44f7325de5
print instruction encodings with the existing comment facilities,
...
so that llvm-mc -show-encoding prints like this:
hlt ## encoding: [0xf4]
instead of like this:
hlt
# encoding: [0xf4]
llvm-svn: 95207
2010-02-03 06:28:13 +00:00
b0d44c3807
refactor code so that LLVMTargetMachine creates the asmstreamer and
...
mccontext instead of having AsmPrinter do it. This allows other
types of MCStreamer's to be passed in.
llvm-svn: 95155
2010-02-02 23:37:42 +00:00
255a8c8b13
MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections.
...
llvm-svn: 95135
2010-02-02 21:44:01 +00:00
809ae81ff9
Add a new top-level MachO.h file for manifest constants, fixing
...
a layering violation from MC -> Target.
llvm-svn: 95113
2010-02-02 19:38:14 +00:00
fc2e376a15
use EmitLinkage for functions as well as globals. One output
...
change is that we now use ".linkonce discard" for global variables
instead of ".linkonce samesize". These should be the same, just less
strict. If anyone is interested in mcizing MCSection for COFF targets,
this should be easy to fix.
llvm-svn: 94623
2010-01-26 23:51:52 +00:00
ff234e09b9
Eliminate SetDirective, and replace it with HasSetDirective.
...
Default HasSetDirective to true, since most targets have it.
The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16. All of these except pic16 are normal ELF targets, so
they almost certainly have it.
llvm-svn: 94585
2010-01-26 20:40:54 +00:00
dcb03f0f6b
Emit .comm alignment in bytes but .align in powers of 2 for ARM ELF.
...
Original patch by Sandeep Patel and updated by me.
llvm-svn: 94582
2010-01-26 20:21:43 +00:00
3dd38a8112
eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform
...
that has it.
llvm-svn: 94581
2010-01-26 20:20:43 +00:00
3cde760023
mcstreamerize gprel32 emission.
...
llvm-svn: 94452
2010-01-25 21:28:50 +00:00
19bd039896
rename MAI::PICJumpTableDirective to MAI::GPRel32Directive to
...
make it clear what it is, instead of how it is used.
llvm-svn: 94448
2010-01-25 21:10:10 +00:00
ccabcd7f85
remove JumpTableDirective, it is always null.
...
llvm-svn: 94445
2010-01-25 20:52:54 +00:00
d45adf28de
wirte up .file and .file to the mc asmparser.
...
llvm-svn: 94438
2010-01-25 19:02:58 +00:00
601ef33c77
mcstreamerize .file and .file. This also fixes an issue where the
...
normal form of .file would fail if the filename had a weird character
in it.
llvm-svn: 94437
2010-01-25 18:58:59 +00:00
bc696445e1
emit ELF .type directives through MCStreamer instead of doing it textually.
...
llvm-svn: 94436
2010-01-25 18:33:40 +00:00
bc8f638531
add symbol attribute support for the ELF .type directive.
...
llvm-svn: 94435
2010-01-25 18:30:45 +00:00
91dac6d570
emit the .size directive for global variables on ELF through
...
mcstreamer.
llvm-svn: 94416
2010-01-25 07:52:13 +00:00
0375d2fbe7
all supported target now have aligned common support.
...
llvm-svn: 94413
2010-01-25 07:29:13 +00:00
9f7667e4ad
coff targets support alignment on .comm
...
llvm-svn: 94410
2010-01-25 07:20:44 +00:00
823aed16f9
make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.
...
llvm-svn: 94378
2010-01-24 20:43:08 +00:00
807a3bcbbb
fix a parsing problem on instructions like:
...
movw $8, (_cost_table_-L97$pb)+66(%eax)
After the parens, we could still have a binop.
llvm-svn: 94345
2010-01-24 01:07:33 +00:00
b1301f7bce
mcize lcomm, simplify .comm, extend both to support 64-bit sizes.
...
llvm-svn: 94299
2010-01-23 07:47:02 +00:00
76bdea3290
resolve a fixme: the "nonexecutable stack directive" is actually
...
a .section. Switch to it with SwitchSection.
However, I think that this directive should be safe on any ELF target.
If so, we should hoist it up out of the X86 and SystemZ targets.
llvm-svn: 94298
2010-01-23 07:21:06 +00:00
0bfd279b37
mcize visibility directives.
...
llvm-svn: 94295
2010-01-23 06:53:23 +00:00
685508cf49
move the various directive enums out of the MCStreamer class
...
into a new MCDirectives.h file.
llvm-svn: 94294
2010-01-23 06:39:22 +00:00
1deb09c28d
mcstreamerize .no_dead_strip and .reference for static ctors/dtors.
...
llvm-svn: 94290
2010-01-23 05:51:36 +00:00
4225a7b987
mcize jump table and constant pool entry labels, .local on elf,
...
and some .weak directives.
llvm-svn: 94284
2010-01-23 05:19:23 +00:00
ded9af63bb
teach MCAsmStreamer::EmitBytes to use .ascii and .asciz
...
llvm-svn: 94259
2010-01-23 00:15:00 +00:00
1386a88c95
Changes to fix buffering that I forgot to commit with previous patch.
...
llvm-svn: 94222
2010-01-22 21:16:10 +00:00
a3eee3cb69
Convert some more random-comment-printing stuff to use
...
AddComment and GetCommentOS. Add a blank line between globals
(even in non-verbose mode) to make the assembly more readable.
llvm-svn: 94202
2010-01-22 19:52:01 +00:00
8fa0e35f97
add a new MCAsmStreamer::GetCommentOS method to simplify stuff
...
that doesn't want to use twines.
llvm-svn: 94199
2010-01-22 19:17:48 +00:00
e1d8a319a1
rename addComment -> AddComment for consistency.
...
llvm-svn: 94190
2010-01-22 18:21:35 +00:00
94b993ed8a
Simplify some uses of str(n)cmp with StringRef.
...
llvm-svn: 94189
2010-01-22 18:21:23 +00:00
cfa5ebc336
add comment support to the rest of the directives.
...
llvm-svn: 94168
2010-01-22 07:36:39 +00:00
e649401824
stop using strtoll, it gives windows heartburn.
...
llvm-svn: 94167
2010-01-22 07:34:12 +00:00
38e9219f71
Add the ability for MCStreamer to emit comments on the same line as directives.
...
Switch over the asm-verbose comment for double values to use it. We now get:
_x:
.long 343597384 ## double 1.231200e+02
.long 1079953326
For example, note that the comment is on the same line as the .long. Woo.
llvm-svn: 94166
2010-01-22 07:29:22 +00:00
0522eb2160
pass "-fasm-verbose" into createAsmStreamer.
...
llvm-svn: 94165
2010-01-22 07:06:15 +00:00
7ba0661f27
Stop building RTTI information for *most* llvm libraries. Notable
...
missing ones are libsupport, libsystem and libvmcore. libvmcore is
currently blocked on bugpoint, which uses EH. Once it stops using
EH, we can switch it off.
This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.
llvm-svn: 94164
2010-01-22 06:49:46 +00:00
5b0e01c54e
move some files out of the llvm-mc tool into the MCParser library so
...
other tools can link it.
llvm-svn: 94131
2010-01-22 01:58:08 +00:00
9a184b368b
forgot to svn add these, doh.
...
llvm-svn: 94130
2010-01-22 01:55:10 +00:00
00646cfbd4
create a new MCParser library and move some stuff into it.
...
llvm-svn: 94129
2010-01-22 01:44:57 +00:00
1edfeb2c46
don't forget to initialize an instance variable!
...
llvm-svn: 94021
2010-01-20 20:48:59 +00:00
9fc980403e
use getGlobalDirective(), don't hardcode .globl. PR6093
...
llvm-svn: 94006
2010-01-20 17:50:30 +00:00
45eeffcc2a
make mcasmstreamer handle expanding 8 byte integer constants to
...
4-byte constants if .quad isn't supported. Switch a bunch of
methods used by the dwarf writer to use OutStreamer.EmitIntValue.
llvm-svn: 93987
2010-01-20 06:45:39 +00:00
38caaf14c1
give createAsmStreamer an 'isLittleEndian' argument.
...
llvm-svn: 93986
2010-01-20 06:39:07 +00:00
2b4364fe03
revert 93934, removing the MCAsmInfo endianness bit. I can't
...
stomache MCAsmInfo having this, and I found a better solution to
this layering issue.
llvm-svn: 93985
2010-01-20 06:34:14 +00:00
003b5c8472
give MCAsmInfo a 'has little endian' bit. This is unfortunate, but
...
I really want clients of the streamer to be able to say "emit this
64-bit integer" and have it get broken down right by the streamer.
I may change this in the future, we'll see how it works out.
llvm-svn: 93934
2010-01-19 22:42:28 +00:00
dc50e5d128
add a new EmitIntValue method that MCStreamer impls can optionally define
...
and that clients can use.
llvm-svn: 93923
2010-01-19 22:03:38 +00:00
936b0d3144
Promoted the getTok() method to MCAsmParser so that
...
the two token accessor functions are declared consistently.
Modified the clients of MCAsmParser to reflect this change.
llvm-svn: 93916
2010-01-19 21:44:56 +00:00
c35681b298
Generalize mcasmstreamer data emission APIs to take an address space
...
identifier. There is no way to work around it.
llvm-svn: 93896
2010-01-19 19:46:13 +00:00
ed89f60f5e
mcstreamerize AsmPrinter::EmitZeros, at least when emitting to the
...
default address space.
llvm-svn: 93890
2010-01-19 18:58:52 +00:00
4340cb3246
add an MCAsmStreamer::EmitFill specialization of EmitFill that
...
emits one directive instead of N. Not doing this would be a
significant regression on the # bytes generated by .fill.
llvm-svn: 93889
2010-01-19 18:52:28 +00:00
0c65fd4902
add a "MCStreamer::EmitFill" method, and move the default implementation
...
(which just iteratively emits bytes) to MCStreamer.
llvm-svn: 93888
2010-01-19 18:45:47 +00:00
9c31b0c695
remove MAI::ZeroDirectiveSuffix, which is only used by MASM,
...
which we don't support anymore.
llvm-svn: 93886
2010-01-19 18:37:01 +00:00
cd2915e467
stop using the .lcomm pseudoop on darwin, instead, directly use the
...
.zerofill directive. Streamerize its generation.
llvm-svn: 93868
2010-01-19 06:25:51 +00:00
95b98959b0
mc'ize some stuff, don't comment out .lcomm directive in -fverbose-asm mode.
...
llvm-svn: 93860
2010-01-19 06:01:04 +00:00
b1f2934fc7
hookize the cygwin ".linkonce" directive.
...
llvm-svn: 93855
2010-01-19 05:08:13 +00:00
dccbb28bca
add a bool for whether .lcomm takes an alignment instead of basing this on "isdarwin".
...
llvm-svn: 93852
2010-01-19 04:48:20 +00:00
e9d28b19cf
move production of .reference directives for static ctor/dtor list on
...
darwin into common code.
llvm-svn: 93849
2010-01-19 04:34:02 +00:00
1d371882b6
Cleanup handling of .zerofill on darwin:
...
1. TargetLoweringObjectFileMachO should decide if something
goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
the right MCSection, the asmprinters should just emit to the
right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
MAI can have a bool "haszerofill" instead of having the textual
directive to emit.
llvm-svn: 93838
2010-01-19 02:09:44 +00:00
e945172ba4
Remove this fixme, looking at the linker source, all targets pad to 4 bytes.
...
llvm-svn: 93835
2010-01-19 01:32:44 +00:00
c8f7717808
remove the MAI argument to MCExpr::print and switch overthing to use << when printing them.
...
llvm-svn: 93699
2010-01-18 00:37:40 +00:00
8b5d55ed06
now that MCSymbol::print doesn't use it's MAI argument, we can
...
remove it and change all the code that prints MCSymbols to use
<< instead, which is much simpler and cleaner.
llvm-svn: 93695
2010-01-17 21:43:43 +00:00
043e656797
rename NameNeedsEscaping -> NameNeedsQuoting, eliminate the check
...
for first character which is a digit, mangler would have taken care
of this already.
llvm-svn: 93694
2010-01-17 20:11:03 +00:00
83e872e1c4
Get MCSymbol out of the mangling business, and move all the logic
...
to Mangler. Now MCSymbol just decides whether to slap quotes around
a symbol when printing it.
This also fixes some weirdness where two MCSymbols could be created
for the same symbol, if one needed to be mangled and got mangled to
the other one.
llvm-svn: 93690
2010-01-17 19:23:46 +00:00
660d979ad9
Add a note for the macho streamer and remove a used of the mangler from the soon to be defunct machowriter pass.
...
llvm-svn: 93670
2010-01-17 03:49:01 +00:00
18bcf30497
unbreak the build, grr symlinks.
...
llvm-svn: 93539
2010-01-15 19:51:05 +00:00
528d00b913
extend MCAsmParser::ParseExpression and ParseParenExpression
...
to return range information for subexpressions. Use this to
provide range info for several new X86Operands.
llvm-svn: 93534
2010-01-15 19:28:38 +00:00
b9d1f5a006
tidy
...
llvm-svn: 93352
2010-01-13 21:21:29 +00:00
8361006264
expose a static function as a static method on the MCSymbol class.
...
llvm-svn: 93350
2010-01-13 21:09:59 +00:00
7b42d7067e
Change errs() to dbgs().
...
llvm-svn: 92635
2010-01-05 01:28:22 +00:00
ac7f537d57
Change errs() to dbgs().
...
llvm-svn: 92634
2010-01-05 01:28:17 +00:00
cdf0452ed2
Change errs() to dbgs().
...
llvm-svn: 92632
2010-01-05 01:28:10 +00:00
a8cbfb8acc
Change errs() to dbgs().
...
llvm-svn: 92630
2010-01-05 01:28:07 +00:00
ad36e8aceb
Pass StringRef by value.
...
llvm-svn: 86251
2009-11-06 10:58:06 +00:00
56869f22c4
Move DataTypes.h to include/llvm/System, update all users. This breaks the last
...
direct inclusion edge from System to Support.
llvm-svn: 85086
2009-10-26 01:35:46 +00:00
86dfd73c38
add a twine version of MCContext::GetOrCreateSymbol.
...
llvm-svn: 84561
2009-10-19 22:49:00 +00:00
5d9134747b
MC: Set symbol values in MachO MCStreamer.
...
llvm-svn: 84236
2009-10-16 01:58:23 +00:00
e024def785
Minor formatting tweaks.
...
llvm-svn: 84235
2009-10-16 01:58:15 +00:00
8e6d889d4c
MC: Switch assembler API to using MCExpr instead of MCValue.
...
llvm-svn: 84234
2009-10-16 01:58:03 +00:00
c3bd60e393
MC: Remove unneeded context argument to MCExpr::Evaluate*.
...
llvm-svn: 84233
2009-10-16 01:57:52 +00:00
5f339244fb
MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute
...
variables and symbols invalid.
llvm-svn: 84232
2009-10-16 01:57:39 +00:00
d20cda028a
MC: When parsing a variable reference, substitute absolute variables immediately
...
since they are allowed to be redefined.
llvm-svn: 84230
2009-10-16 01:34:54 +00:00
17b9027b5c
MC: Move assembler variable values from MCContext to MCSymbol.
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llvm-svn: 84229
2009-10-16 01:33:57 +00:00
584a1b25ef
MC: Switch MCContext value table to storing MCExprs.
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llvm-svn: 84228
2009-10-16 01:33:11 +00:00
818b6b96cb
Fixed MCSectionMachO::ParseSectionSpecifier to allow an attribute of "none" so
...
that a symbol stub section with no attributes can be parsed as in:
.section __TEXT,__picsymbolstub4,symbol_stubs,none,16
llvm-svn: 83488
2009-10-07 20:57:20 +00:00
50d75a6099
No newline at end of files.
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llvm-svn: 83318
2009-10-05 18:43:19 +00:00
a15f0044a0
eliminate a use of strtoul.
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llvm-svn: 82382
2009-09-20 06:58:54 +00:00
592638ae05
Allow symbols to start from the digit if target requests it. This allows, e.g. pinning
...
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.
llvm-svn: 82227
2009-09-18 16:57:42 +00:00
b866602f06
Big change #1 for personality function references:
...
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.
To replace their functionality, add a new
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.
The default implementation just returns the symbol. The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub. The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.
DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another
horrible hack from DwarfException.cpp:
- if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
- O << "-" << MAI->getPCSymbol();
llvm-svn: 81991
2009-09-16 01:46:41 +00:00
6a833f6806
add a helper method for creating MCSymbol and MCSymbolRefExpr at
...
the same time.
llvm-svn: 81984
2009-09-16 01:26:31 +00:00
2251293788
remove some horrible MAI hooks which fortunately turn out to be always empty.
...
llvm-svn: 81946
2009-09-15 23:11:32 +00:00
813efa2551
Update CMake.
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llvm-svn: 81757
2009-09-14 05:22:47 +00:00
11b2fc9ea4
Change MCAsmStreamer to take an MCInstPrinter instead of a
...
full AsmPrinter, and change TargetRegistry to keep track
of registered MCInstPrinters.
llvm-mc is still linking in the entire
target foo to get the code emitter stuff, but this is an
important step in the right direction.
llvm-svn: 81754
2009-09-14 03:02:37 +00:00
de57d8e72b
add a new MCInstPrinter class, move the (trivial) MCDisassmbler ctor inline.
...
llvm-svn: 81745
2009-09-14 01:43:38 +00:00
a4760f3642
'printMCInst' doesn't print newlines after instructions anymore.
...
llvm-svn: 81723
2009-09-13 22:24:34 +00:00
d940dd5801
remove MAI::JumpTableSpecialLabelPrefix now that MAI
...
has real information about linker private linkage.
llvm-svn: 81695
2009-09-13 19:02:16 +00:00
de79e4fc2e
fix MCSymbol printing on darwin to exactly match the mangler (handling of \n and " in a symbol name).
...
llvm-svn: 81683
2009-09-13 18:11:09 +00:00
3d6c8ebb58
Make the MC symbol printer and llvm::Mangler exactly agree on mangling
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for systems that don't support quoting (PR4966).
llvm-svn: 81682
2009-09-13 18:04:46 +00:00
5090e6c4a7
eliminate the "MBBLabel" MCOperand type, and just use a MCSymbol for
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MBB labels like everything else.
llvm-svn: 81628
2009-09-12 20:45:03 +00:00
c74e09f654
Update CMake files.
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llvm-svn: 81577
2009-09-11 21:49:45 +00:00
d747a9f21f
canonicalize namespace gymnastics
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llvm-svn: 81402
2009-09-09 23:46:42 +00:00
1358fb7feb
Added an abstract superclass, MCDisassembler, for
...
all disassemblers.
Modified the MemoryObject to support 64-bit address
spaces, regardless of the LLVM process's address
width.
Modified the Target class to allow extraction of a
MCDisassembler.
llvm-svn: 81392
2009-09-09 22:49:13 +00:00
cada1c1012
allow @ in symbol names without quoting the identifier. This
...
allows things like @PLT without quotes.
llvm-svn: 81296
2009-09-09 00:14:09 +00:00
22833a3cd6
parenthesize symbol names that start with $, fixing X86/dollar-name.ll with
...
the new asmprinter.
llvm-svn: 81269
2009-09-08 23:20:50 +00:00
7975b8fc32
Print "X-42" instead of "X+-42".
...
llvm-svn: 81203
2009-09-08 06:37:35 +00:00
3cfc551f6e
make formatting of expressions more closely match the existing asmprinter.
...
llvm-svn: 81202
2009-09-08 06:34:07 +00:00
a0020be758
tidy whitespace.
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llvm-svn: 81201
2009-09-08 06:27:48 +00:00
1945453843
fix MCSymbol printing to exactly match the normal mangler rules so
...
we can diff .s files.
llvm-svn: 80894
2009-09-03 05:57:47 +00:00
f4366a3998
Thread an MCAsmInfo pointer through the various MC printing APIs,
...
and fix a few things using << on MCSymbols to use ->print(). No
functionality change other than unbreaking my previous patch.
llvm-svn: 80890
2009-09-03 05:46:51 +00:00
1800dff44e
inline insertion operators.
...
llvm-svn: 80888
2009-09-03 05:33:01 +00:00
f16a122213
output alignment value in hex so that we get:
...
.align 3, 0x90
instead of,
.align 3, 144
suggested by eric.
llvm-svn: 80875
2009-09-03 04:01:10 +00:00
4fa0595b94
llvm-mc: Store MCSymbolData value as a pointer (to make MSVC happy).
...
llvm-svn: 80652
2009-09-01 04:09:03 +00:00
897ffadd2d
llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues.
...
llvm-svn: 80578
2009-08-31 08:09:28 +00:00
b7b2097aac
llvm-mc: Simplify EmitAssignment ('.set' is identical to '=').
...
llvm-svn: 80577
2009-08-31 08:09:09 +00:00
73da11ebda
llvm-mc: Switch MCInst to storing an MCExpr* instead of an MCValue.
...
Also, use MCInst::print instead of custom code in MCAsmPrinter.
llvm-svn: 80575
2009-08-31 08:08:38 +00:00
945e257e99
llvm-mc: Make MCSymbolData symbol member const.
...
llvm-svn: 80573
2009-08-31 08:08:06 +00:00
02c7254f6d
llvm-mc: Add MCContext to MCAssembler.
...
llvm-svn: 80572
2009-08-31 08:07:55 +00:00
b34a2b9da1
llvm-mc: Add MCExpr::{dump,print}.
...
llvm-svn: 80570
2009-08-31 08:07:33 +00:00
f363645da2
llvm-mc: Switch MCExpr construction to using static member functions, and taking the MCContext (which now owns all MCExprs).
...
llvm-svn: 80569
2009-08-31 08:07:22 +00:00
115e4d6d7b
llvm-mc: Move AsmExpr into MC lib (as MCExpr).
...
llvm-svn: 80567
2009-08-31 08:06:59 +00:00
6a715dccdf
llvm-mc: MCStreamer cleanups. - Remove EmitLocalSymbol, this is unsupported for now.
...
- Switch Emit{CommonSymbol,Zerofill} to take alignment in bytes (for consistency).
llvm-svn: 80484
2009-08-30 06:17:16 +00:00
2a2459a291
llvm-mc: .lsym is more unsupported than unimplemented, pending a use case appearing.
...
Also, all one of the file level flags are implemented.
llvm-svn: 80352
2009-08-28 07:08:47 +00:00
2701eee0ad
llvm-mc: Support .comm emission.
...
llvm-svn: 80351
2009-08-28 07:08:35 +00:00
42a39d038a
llvm-mc: Support .zerofill emission.
...
- I'm still trying to figure out the cleanest way to implement this and match the assembler, currently there are some substantial differences.
llvm-svn: 80347
2009-08-28 05:49:21 +00:00
a468a12dfa
llvm-mc: Tweak section alignment and size computation to match 'as' closer.
...
llvm-svn: 80345
2009-08-28 05:49:04 +00:00
d82ef0e923
llvm-mc: Factor getSectionData out of SwitchSection.
...
llvm-svn: 80344
2009-08-28 05:48:54 +00:00
96abad185d
llvm-mc: Emit .lcomm as .zerofill.
...
llvm-svn: 80343
2009-08-28 05:48:46 +00:00
cf72e1c03e
llvm-mc: Add const to EmitZeroFill section argument.
...
llvm-svn: 80341
2009-08-28 05:48:22 +00:00
93665faad0
llvm-mc: Fix thinko in emitting values.
...
llvm-svn: 80340
2009-08-28 05:48:10 +00:00
c7c5f9fa86
llvm-mc/Mach-O: Add MCCodeEmitter support, for encoding instructions.
...
- No relocations yet, of course.
llvm-svn: 80235
2009-08-27 08:17:51 +00:00
c4f0e7e28d
llvm-mc: Print encodings after the instruction, and only when we have an asm
...
printer.
llvm-svn: 80233
2009-08-27 07:58:57 +00:00
212b6d8a57
Add {MCInst,MCOperand}::{print,dump}
...
llvm-svn: 80231
2009-08-27 07:57:12 +00:00
9cefb135a5
Update CMake
...
llvm-svn: 80195
2009-08-27 02:08:37 +00:00
81cb753298
llvm-mc: Tweak MCCodeEmitter skeleton.
...
llvm-svn: 80193
2009-08-27 01:34:22 +00:00
65105174a6
Sketch TargetRegistry support for MCCodeEmitter abstract interface.
...
- Of course, nothing actually can provide this interface yet.
llvm-svn: 80188
2009-08-27 00:51:57 +00:00
47f11ac5b5
Try to make MSVC just a little happier.
...
llvm-svn: 80187
2009-08-27 00:38:04 +00:00
e73b267301
llvm-mc/Mach-O: Don't put assembler temporary labels in the symbol table.
...
- I moved section creation back into AsmParser. I think policy decisions like
this should be pushed higher, not lower, when possible (in addition the
assembler has flags which change this behavior, for example).
llvm-svn: 80162
2009-08-26 22:13:22 +00:00
e2697738a4
llvm-mc/Mach-O: Set .subsections_via_symbols flag properly.
...
llvm-svn: 80144
2009-08-26 21:22:22 +00:00
c4581eaca8
llvm-mc/Mach-O: Add support for relocations.
...
- I haven't really tried to find the "right" way to store the fixups or apply
them, yet. This works, but isn't particularly elegant or fast.
- Still no evaluation support, so we don't actually ever not turn a fixup into
a relocation entry.
llvm-svn: 80089
2009-08-26 13:58:10 +00:00
a9eeb78ed5
llvm-mc/Mach-O: Move symbol indices into the MCSymbolData structure.
...
llvm-svn: 80088
2009-08-26 13:57:54 +00:00
c1710a04ba
llvm-mc: Add symbol entries for undefined symbols used in .fill and .org.
...
llvm-svn: 80086
2009-08-26 13:57:37 +00:00
ffda9eb31a
llvm-mc: Change MCContext value table to take const MCSymbol*s.
...
llvm-svn: 80079
2009-08-26 09:16:57 +00:00
066d0f93bf
llvm-mc/Mach-O: Add section padding where needed (to align the next section).
...
Also, simplify some of Mach-O writer code which can now use section addresses.
llvm-svn: 80067
2009-08-26 04:13:32 +00:00
aef5317edd
llvm-mc/Mach-O: Set addresses for symbols.
...
llvm-svn: 80065
2009-08-26 02:48:04 +00:00
c2c0bf961f
llvm-mc: Improve indirect symbol support (add the indirect index table).
...
llvm-svn: 80059
2009-08-26 00:18:21 +00:00
a9f56a686c
Revert last patch. We need to put this into TargetLowering. There will be a lot
...
of EH stuff going into there, so we can wait to add them all then.
llvm-svn: 80036
2009-08-25 21:31:39 +00:00
5a07d6a9c6
llvm-mc: Add statistic for number of fragments emitted by the assembler.
...
llvm-svn: 80033
2009-08-25 21:10:45 +00:00
dd14b4a77a
Add the #include here.
...
llvm-svn: 80032
2009-08-25 21:09:50 +00:00
485591273c
Add a target asm info hook to specify that particular bits of data in the FDE
...
should be forced to 32-bits (.long) even on 64-bit architectures. Darwin wants
these bits to be 64-bits (.quad). However, other platforms may disagree.
This is just the info right now and is part of a work-in-progress which needs
this. We'll add the actual *use* of this soon.
llvm-svn: 80024
2009-08-25 20:21:17 +00:00
582d61026d
llvm-mc/Mach-O: Preliminary support for indirect symbols.
...
- The indirect table itself isn't being filled in yet.
- This isn't factored properly and is rather FIXMEd, but at the moment I'm more
focused on figuring out what it needs to do.
llvm-svn: 79910
2009-08-24 11:56:58 +00:00
04a1158d13
llvm-mc/Mach-O: Support symbol attributes.
...
- This is mostly complete, the main thing missing is .indirect_symbol support
(which would be straight-forward, except that the way it is implemented in
'as' makes getting an exact .o match interesting).
llvm-svn: 79899
2009-08-24 08:40:12 +00:00
d341e781da
llvm-mc: Tweak undefined symbol handling.
...
llvm-svn: 79898
2009-08-24 08:39:57 +00:00
06fa176862
prune the #includes in raw_ostream.h by moving a
...
member out of line. ftostr is not particularly speedy,
so that method is presumably not perf sensitive.
llvm-svn: 79885
2009-08-24 03:52:50 +00:00
4db6267a2c
Update CMake build, unbreak linux build.
...
llvm-svn: 79779
2009-08-22 22:07:08 +00:00
e9a75a6654
rename TAI -> MAI, being careful not to make MAILJMP instructions :)
...
llvm-svn: 79777
2009-08-22 21:43:10 +00:00
054574666a
rename COFFMCAsmInfo -> MCAsmInfoCOFF, likewise for darwin.
...
llvm-svn: 79773
2009-08-22 21:03:30 +00:00
2b9f0d100b
move the MCAsmInfo .cpp/.h files into the right
...
directories and rename them.
llvm-svn: 79768
2009-08-22 20:58:17 +00:00
7b26fce23e
Rename TargetAsmInfo (and its subclasses) to MCAsmInfo.
...
llvm-svn: 79763
2009-08-22 20:48:53 +00:00
ca098517a3
prune some redundant #includes.
...
llvm-svn: 79746
2009-08-22 19:35:08 +00:00
8f816e7d68
tweak #includes
...
llvm-svn: 79744
2009-08-22 19:19:12 +00:00
d1859474a7
llvm-mc/Mach-O: Improve symbol table support:
...
- Honor .globl.
- Set symbol type and section correctly ('nm' now works), and order symbols
appropriately.
- Take care to the string table so that the .o matches 'as' exactly (for ease
of testing).
llvm-svn: 79740
2009-08-22 11:41:10 +00:00
ff3eafd39d
llvm-mc/Mach-O: Sketch symbol table support.
...
- The only .s syntax this honors right now is emitting labels, and some parts
of the symbol table generation are wrong or faked.
- This is enough to get nm to report such symbols... incorrectly, but still.
Also, fixed byte emission to extend the previous fragment if possible.
llvm-svn: 79739
2009-08-22 10:13:24 +00:00
38728fe481
llvm-mc/Mach-O: Move more logic for writing the Mach-O file into the writer
...
class, and kill off MCSectionData::FileOffset.
llvm-svn: 79735
2009-08-22 08:28:27 +00:00
fef19ffe3a
llvm-mc: Rename / redefine MCFragment::FileOffset to MCFragment::Offset (the
...
section offset).
llvm-svn: 79734
2009-08-22 08:27:54 +00:00
Eli Bendersky