Commit Graph

108 Commits

Author SHA1 Message Date
Kevin Enderby 8597488e5e Update llvm-objdump’s Mach-O symbolizer code to print the name of symbol stubs.
So in fully linked images when a call is made through a stub it now gets a
comment like the following in the disassembly:

    callq	0x100000f6c             ## symbol stub for: _printf

indicating the call is to a symbol stub and which symbol it is for.  This is
done for branch reference types and seeing if the branch target is in a stub
section and if so using the indirect symbol table entry for that stub and
using that symbol table entries symbol name.

llvm-svn: 218546
2014-09-26 22:20:44 +00:00
Kevin Enderby bf246f5a9d Flush out enough of llvm-objdump’s SymbolizerSymbolLookUp() for Mach-O files to
get the literal string “Hello world” printed as a comment on the instruction
that loads the pointer to it. For now this is just for x86_64. So for object
files with relocation entries it produces things like:

	leaq	L_.str(%rip), %rax      ## literal pool for: "Hello world\n"

and similar for fully linked images like executables:

	leaq	0x4f(%rip), %rax        ## literal pool for: "Hello world\n"

Also to allow testing against darwin’s otool(1), I hooked up the existing 
-no-show-raw-insn option to the Mach-O parser code, added the new Mach-O
only -full-leading-addr option to match otool(1)'s printing of addresses and
also added the new -print-imm-hex option.

llvm-svn: 218423
2014-09-24 23:08:22 +00:00
Kevin Enderby 98c9accace Hookup the MCSymbolizer to llvm-objdump’s disassembly for Mach-O files.
First step done in this commit is to get flush out enough of the
SymbolizerGetOpInfo() routine to symbolic an X86_64 hello world .o and
its loading of the literal string and call to printf.  Also the code to
symbolicate the X86_64_RELOC_SUBTRACTOR relocation and a test is also
added to show a slightly more complicated case.

Next will be to flush out enough of SymbolizerSymbolLookUp() to get the
literal string “Hello world” printed as a comment on the instruction that load
the pointer to it.

llvm-svn: 217893
2014-09-16 18:00:57 +00:00
Kevin Enderby 84897b8b7d Removed the ctime printed “time stamp” from macho-private-headers.test to fix the builds.
llvm-svn: 217175
2014-09-04 17:13:44 +00:00
Kevin Enderby 8ae63c127d Adds the next bit of support for llvm-objdump’s -private-headers for executable Mach-O files.
This adds the printing of more load commands, so that the normal load commands
in a typical X86 Mach-O executable can all be printed.

llvm-svn: 217172
2014-09-04 16:54:47 +00:00
Kevin Enderby 956366c6f1 Next bit of support for llvm-objdump’s -private-headers for Mach-O files.
This adds the printing of the LC_SEGMENT load command and sections,
LC_SYMTAB and LC_DYSYMTAB load commands.

llvm-svn: 216795
2014-08-29 22:30:52 +00:00
Kevin Enderby b76d386d7c Add the start of the support for llvm-objdump’s -private-headers for Mach-O files.
This adds the printing of the mach header. Load command printing will be next.

llvm-svn: 216285
2014-08-22 20:35:18 +00:00
NAKAMURA Takumi 17ae2fca4c llvm/test/tools/llvm-objdump: Reorganize target-dependent some tests.
llvm-svn: 215122
2014-08-07 17:17:19 +00:00