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Petr Hosek 52db9a4fe6 [ELF] Remove unused synthetic sections from script commands 
Script commands are processed before unused synthetic sections are
removed. Therefore, if a linker script matches one of these sections
it'll get emitted as an empty output section because the logic for
removing unused synthetic sections ignores script commands which
could have already matched and captured one of these sections. This
patch fixes that by also removing the unused synthetic sections from
the script commands.

Differential Revision: https://reviews.llvm.org/D34800

llvm-svn: 307037
 		2017-07-03 15:49:25 +00:00
..
Inputs [ELF] - Linkerscript: support combination of linkerscript and --compress-debug-sections. 2017-05-08 10:18:12 +00:00
absolute-expr.s Remove string table offsets from tests. 2016-11-01 21:26:28 +00:00
absolute.s Support ABSOLUTE on the right hand side in linker scripts 2017-03-15 03:33:23 +00:00
addr-zero.s Add a test that now passes. 2017-03-17 13:19:15 +00:00
addr.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
align-empty.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
align.s [ELF] Use late evaluation for ALIGN in expression 2017-05-30 03:18:28 +00:00
alignof.s [ELF] Print file:line for 'undefined section' errors 2016-11-28 09:58:04 +00:00
alternate-sections.s Replace MergeOutputSection with a synthetic section. 2017-02-03 13:06:18 +00:00
arm-exidx-phdrs.s Always create a PT_ARM_EXIDX if needed. 2016-11-28 00:40:21 +00:00
arm-lscript.s Do not track section types of previous sections, always use PROGBITS for dummy sections. 2017-05-24 16:48:31 +00:00
assert.s [ELF] - Make ASSERT() return Dot instead of evaluated value. 2017-02-21 07:33:38 +00:00
at-addr.s [ELF] - Shortify at-addr.s testcase. 2017-02-21 15:10:30 +00:00
at.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
bss-fill.s [ELF] - Do not crash when linkerscript applies fill to .bss. 2017-05-30 05:48:09 +00:00
comdat-gc.s Linkerscript: don't crash when GC .debug_line 2016-09-26 09:04:16 +00:00
common-assign.s [ELF] - Do not crash when assign common symbol's values in script 2017-01-20 09:45:36 +00:00
common.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
compress-debug-sections.s [ELF] - Linkerscript: support combination of linkerscript and --compress-debug-sections. 2017-05-08 10:18:12 +00:00
constructor.s [ELF] - Committed missing ld.ldd invocation to constructor.s 2017-01-23 16:55:13 +00:00
data-commands-gc.s Check the produced file instead of stderr. 2017-06-28 01:46:31 +00:00
data-commands.s [ELF] Fix test case thinko from r289152 2016-12-09 21:51:37 +00:00
data-segment-relro.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
define.s [ELF] - Linkerscript: implement DEFINED() command. 2016-09-23 13:17:23 +00:00
diagnostic.s [ELF] Better error reporting for linker scripts 2016-11-21 15:49:56 +00:00
discard-interp.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
discard-print-gc.s Fix --print-gc-sections with linker scripts. 2017-02-17 19:37:30 +00:00
discard-section-err.s Error when discarding .dynstr. 2017-06-16 23:53:36 +00:00
discard-section-metadata.s Change section flag character for SHF_LINK_ORDER to "o". 2017-04-04 22:35:16 +00:00
discard-section.s Alternative fix for reloc tareting discarded section 2016-10-12 12:31:34 +00:00
dot-is-not-abs.s The expr '.' is not absolute. 2016-10-31 21:36:23 +00:00
double-bss.s Rewrite CommonInputSection as a synthetic input section. 2016-11-05 23:05:47 +00:00
dynamic-sym.s Allow use define symbols to override linker defined ones. 2016-11-17 21:20:16 +00:00
dynamic.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
early-assign-symbol.s [ELF] - Linkerscript: improved error reporting. 2017-06-07 08:54:43 +00:00
edata-etext.s Change the error message format for undefined symbols. 2017-03-30 19:13:47 +00:00
eh-frame-hdr.s Revert "Add terminator to .eh_frame sections" 2017-02-28 18:55:08 +00:00
eh-frame-reloc-out-of-range.s [ELF] Fix error reporting for synthetic sections 2017-03-14 08:33:45 +00:00
eh-frame.s [ELF] Propely handle .eh_frame in linker scripts 2017-03-10 20:00:42 +00:00
ehdr_start.s [ELF] Define __ehdr_start unconditionally even when using linker script 2017-05-10 16:20:33 +00:00
emit-reloc.s Ignore relocation sections in linker scripts. 2017-02-16 14:36:09 +00:00
emit-relocs-discard.s [ELF] - Added support of linkerscript's "/DISCARD/" for --emit-relocs 2017-02-17 19:46:47 +00:00
emit-relocs-ehframe-discard.s [ELF] - Added support of linkerscript's "/DISCARD/" for --emit-relocs 2017-02-17 19:46:47 +00:00
emit-relocs-multiple.s [ELF] - Do not merge relocation sections by name when using --emit-relocs. 2017-06-07 09:20:35 +00:00
empty-load.s Don't create a bogus PT_PHDR if we don't allocate the headers. 2017-01-20 20:46:15 +00:00
empty-tls.s Don't crash if PT_TLS is empty. 2016-07-29 19:24:27 +00:00
entry.s Remove `REQUIRES: shell` hack to workaround an echo issue. 2016-12-09 18:49:37 +00:00
exclude-multiple.s [ELF] - Linkerscript: reimplement readSectionExcludes() 2016-09-21 08:53:21 +00:00
excludefile.s [ELF] Recommit r299635 to pad x86 executable sections with 0xcc 2017-04-07 10:36:42 +00:00
expr-invalid-sec.s [ELF] - Linkerscript: improved error reporting. 2017-06-07 08:54:43 +00:00
expr-sections.s Handle & and | of non abs values. 2017-03-17 14:55:36 +00:00
extend-pt-load.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
filename-spec.s Make tests less dependent on the exact layout. 2016-09-20 15:08:24 +00:00
fill-exec-sections.s [ELF] Recommit r299635 to pad x86 executable sections with 0xcc 2017-04-07 10:36:42 +00:00
fill.s Fix FILL linker script command. 2017-04-13 23:40:00 +00:00
group.s Remove `REQUIRES: shell` hack to workaround an echo issue. 2016-12-09 18:49:37 +00:00
header-addr.s Use the correct page size. 2016-11-21 20:20:04 +00:00
huge-temporary-file.s [ELF] - Fix for huge-temporary-file.s 2017-01-17 14:06:44 +00:00
implicit-program-header.s Fix program header propagation. 2016-11-14 15:39:38 +00:00
input-order.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
input-sec-dup.s Make tests less dependent on the exact layout. 2016-09-20 15:08:24 +00:00
lazy-symbols.s [ELF] Insert linkerscript symbols directly into symbol table 2017-02-21 22:32:51 +00:00
linkerscript.s [ELF] - Linkerscript: Fall back to search paths when INCLUDE not found 2016-12-21 09:42:25 +00:00
loadaddr.s [ELF] Print file:line for 'undefined section' errors 2016-11-28 09:58:04 +00:00
locationcountererr.s [ELF] - Improve diagnostic messages for move location counter errors. 2017-02-21 14:50:38 +00:00
locationcountererr2.s Set non alloc section address to 0 earlier. 2017-06-13 20:57:43 +00:00
memory.s Allow expressions in MEMORY command. 2017-04-12 23:16:52 +00:00
merge-sections-reloc.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
merge-sections-syms.s Replace MergeOutputSection with a synthetic section. 2017-02-03 13:06:18 +00:00
merge-sections.s [ELF] Filter out non InputSection members from InputSections 2017-05-30 05:17:58 +00:00
multi-sections-constraint.s Make test less dependent on the section order. 2016-09-20 20:48:54 +00:00
multiple-tbss.s Fix VA computation for tbss. 2016-09-22 12:35:44 +00:00
no-pt-load.s Avoid accessing an end() iterator. 2016-11-17 14:18:08 +00:00
no-space.s Don't create a bogus PT_PHDR if we don't allocate the headers. 2017-01-20 20:46:15 +00:00
noload.s Fix a bug in output section directive. 2017-06-08 19:47:16 +00:00
non-absolute.s [ELF] - Linkerscript: properly mark minus expression with non-absolute flag 2017-02-01 09:01:16 +00:00
non-absolute2.s Handle symbol assignments before the first section switch. 2017-02-06 22:21:46 +00:00
non-alloc-segment.s [LLD][LinkerScript] Allow non-alloc sections to be assigned to segments. 2017-07-03 10:11:25 +00:00
non-alloc.s Don't create a bogus PT_PHDR if we don't allocate the headers. 2017-01-20 20:46:15 +00:00
numbers.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
obj-symbol-value.s Change our linker script expr representation. 2017-03-17 13:05:04 +00:00
openbsd-bootdata.s [ELF] - Teach LLD to recognize PT_OPENBSD_BOOTDATA 2016-12-06 17:57:42 +00:00
openbsd-randomize.s [ELF] Choose default segment when it is not specified 2016-10-19 15:04:49 +00:00
openbsd-wxneeded.s [ELF] - Update testcases after llvm change. 2016-10-18 11:11:03 +00:00
operators.s Apply different tokenization rules to linker script expressions. 2017-02-15 19:58:17 +00:00
orphan-align.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
orphan-first-cmd.s [ELF] - Linkerscript: make section with no content to be SHT_PROGBITS by default. 2017-04-14 09:37:00 +00:00
orphan.s ELF: Place relro sections after non-relro sections in r/w segment. 2017-01-10 01:21:30 +00:00
orphans.s Revert "Revert "Only restrict order if both sections are in the script."" 2016-09-20 22:43:15 +00:00
ouputformat.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
out-of-order.s [ELF] - Improve diagnostic messages for move location counter errors. 2017-02-21 14:50:38 +00:00
output-too-large.s Use uint64_t to keep file size even on 32-bit machines. 2017-04-05 21:37:09 +00:00
outputarch.s [ELF] - Linkerscript - fix handling of OUTPUT_ARCH command. 2017-02-08 09:59:06 +00:00
outsections-addr.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
page-size-align.s Use the correct MaxPageSize. 2016-12-07 20:10:43 +00:00
page-size.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
phdr-check.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
phdrs-flags.s [ELF] Choose default segment when it is not specified 2016-10-19 15:04:49 +00:00
phdrs.s Change which input sections we concatenate 2017-01-05 14:20:35 +00:00
pt_gnu_eh_frame.s [ELF] Fix crash when .eh_frame(_hdr) is discarded 2017-03-14 08:49:09 +00:00
repsection-symbol.s ELF: Place relro sections after non-relro sections in r/w segment. 2017-01-10 01:21:30 +00:00
repsection-va.s Make test less dependent on the section order. 2016-09-20 20:48:54 +00:00
rosegment.s Disable --rosegment when we have linker scripts. 2016-09-20 15:22:27 +00:00
searchdir.s Remove `REQUIRES: shell` hack to workaround an echo issue. 2016-12-09 18:49:37 +00:00
section-align.s [ELF] Handle output section alignment in linker scripts 2017-02-07 23:42:31 +00:00
section-metadata.s Fix pr32816. 2017-05-01 20:32:39 +00:00
sections-constraint.s Order writable executable sections before writable ones. 2017-05-26 17:23:25 +00:00
sections-constraint2.s Fix constraint checking in ONLY_IF_RO. 2016-09-16 20:34:02 +00:00
sections-constraint3.s Only process commands in a ONLY_IF_RO if it matches. 2016-09-16 21:05:36 +00:00
sections-constraint4.s [ELF] Linkerscript: fixed bug about commands processing. 2016-09-17 09:50:10 +00:00
sections-constraint5.s Implement ONLY_IF_RO/ONLY_IF_RW like bfd. 2016-09-21 18:33:44 +00:00
sections-gc.s [ELF] - Do not segfault when using --gc-sections with linker script 2017-02-21 15:46:43 +00:00
sections-gc2.s Fully precise gc handling of __start and __stop symbols. 2017-03-06 18:48:18 +00:00
sections-keep.s Include version string into ".comment" section. 2016-11-10 20:20:37 +00:00
sections-padding.s [ELF] Recommit r299635 to pad x86 executable sections with 0xcc 2017-04-07 10:36:42 +00:00
sections-sort.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
sections.s Error on trying to discard .dynamic. 2017-06-16 23:45:35 +00:00
segment-none.s [LLD][LinkerScript] Add support for segment NONE. 2017-06-19 15:28:58 +00:00
segment-start.s [ELF] Linkerscript: print location of undefined symbol usage 2016-12-22 13:13:12 +00:00
sizeof.s Allow SIZEOF() command on nonexistent section. 2016-11-17 20:27:10 +00:00
sizeofheaders.s Disable --rosegment when we have linker scripts. 2016-09-20 15:22:27 +00:00
sort-constructors.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
sort-init.s [ELF] - Linkerscript: implemented SORT_BY_INIT_PRIORITY. 2016-09-15 19:15:12 +00:00
sort-nested.s Make tests less dependent on the exact layout. 2016-09-20 15:08:24 +00:00
sort-non-script.s ELF: Place relro sections after non-relro sections in r/w segment. 2017-01-10 01:21:30 +00:00
sort.s [ELF] - Accept --sort-section=xxx command form. 2016-12-16 11:59:52 +00:00
sort2.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
start-end.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
subalign.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
symbol-assignexpr.s Make a few tests shorter. NFC. 2017-04-12 22:38:02 +00:00
symbol-conflict.s The expr '.' is not absolute. 2016-10-31 21:36:23 +00:00
symbol-memoryexpr.s Add memory ORIGIN and LENGTH expression support 2017-05-09 18:24:38 +00:00
symbol-only.s [ELF] - Linkerscript: make section with no content to be SHT_PROGBITS by default. 2017-04-14 09:37:00 +00:00
symbol-reserved.s [ELF] Use late evaluation for ALIGN in expression 2017-05-30 03:18:28 +00:00
symbolreferenced.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
symbols-non-alloc.s Set non alloc section address to 0 earlier. 2017-06-13 20:57:43 +00:00
symbols-synthetic.s Revert "Add terminator to .eh_frame sections" 2017-02-28 18:55:08 +00:00
symbols.s The expr '.' is not absolute. 2016-10-31 21:36:23 +00:00
tbss.s Don't depend on lld creating space for the headers. 2016-09-30 00:06:24 +00:00
ttext-script.s Prefer -Ttext over linker script values. 2017-06-20 01:51:50 +00:00
undef.s Remove useless file prefix. 2016-09-02 20:40:53 +00:00
unused-synthetic.s [ELF] Remove unused synthetic sections from script commands 2017-07-03 15:49:25 +00:00
va.s Start linker scripts at 0. 2016-09-30 00:16:11 +00:00
visibility.s Correctly merge visibility of linkerscript created symbols. 2016-10-31 13:14:53 +00:00
wildcards.s Include version string into ".comment" section. 2016-11-10 20:20:37 +00:00
wildcards2.s Make tests less dependent on the exact layout. 2016-09-20 15:08:24 +00:00