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Rafael Auler 776293660e [ELF] Fix inclusion of weak symbols in the dynamic symbol table 
This commit implements in the X86_64 ELF lld backend yet another feature that
was only available in the MIPS backend. However, this patch changes generic ELF
classes to make it trivial for other ELF backends to use this logic too. When
creating a dynamic executable that has dynamic relocations against weak
undefined symbols, these symbols must be exported to the dynamic symbol table
to seek a possible resolution at run time.

A common use case is the __gmon_start__ weak glibc undefined symbol.

Reviewer: shankarke

http://reviews.llvm.org/D5571

llvm-svn: 219349
 		2014-10-08 22:38:10 +00:00
..
AArch64 [AArch64] Initial ELF/AArch64 Support 2014-08-13 13:16:38 +00:00
Hexagon Change llvm-nm to use -M instead of -s to work with latest llvm-nm 2014-07-09 00:25:52 +00:00
Inputs [ELF] Fix bug in ELFFile::createAtoms() that caused lld to mislink musl 2014-10-03 22:50:50 +00:00
Mips [mips] Remove .end and .end from test/elf/Mips/hilo16-3.test 2014-08-13 10:04:59 +00:00
X86_64 [ELF] Fix inclusion of weak symbols in the dynamic symbol table 2014-10-08 22:38:10 +00:00
linkerscript [ELF] Return error from invalid linker script parse. 2013-10-10 16:59:53 +00:00
options Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
abs-dup.objtxt Accept and handle absolute symbols with empty name. 2014-02-06 07:35:16 +00:00
abs.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
allowduplicates.objtxt [ELF] Add -z muldefs option. 2014-04-02 03:57:37 +00:00
archive-elf-forceload.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
archive-elf.test Add missing triples so that these tests pass on 32 bit arch. 2014-01-09 00:07:20 +00:00
branch.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
check.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
checkrodata.test [lld][ELF] Fix the readonly section order. 2013-09-12 15:43:13 +00:00
common.test This is my Driver refactoring patch. 2013-04-04 18:59:24 +00:00
consecutive-weak-sym-defs.test [ELF] Fix bug in ELFFile::createAtoms() that caused lld to mislink musl 2014-10-03 22:50:50 +00:00
defsym.objtxt [ELF] Support --defsym=<symbol>=<symbol>. 2014-04-16 20:58:57 +00:00
dynamic-segorder.test [lld] [ELF] Support for general dynamic TLS relocations on X86_64 2014-09-29 22:05:26 +00:00
dynamic-undef.test [lld] [ELF] Support for general dynamic TLS relocations on X86_64 2014-09-29 22:05:26 +00:00
dynamic.test [ELF] Implement .{init,fini}_array ordering. 2013-10-25 23:59:06 +00:00
eh_frame_hdr.test [ELF] Implement minimal support for .eh_frame_hdr. 2013-10-30 00:02:04 +00:00
entry.objtxt Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
export-dynamic.test [ELF] Implement --export-dynamic/-E 2014-10-08 18:54:26 +00:00
filenotfound.test [ELF][Driver] Produce a proper error when file is not found 2014-09-08 04:18:11 +00:00
gotpcrel.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
group-cmd-search.test [ELF] Implement parsing `-l` prefixed items in the `GROUP` linker script command. 2014-07-15 17:17:30 +00:00
hexagon-quickdata-sort.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
hexagon-quickdata-sortcommon.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
ifunc.test [ELF] change LayoutBefore Reference to InGroup Reference 2014-02-03 04:01:14 +00:00
ignore-unknownoption.test [Gnu] Ignore unknown arguments, and print message. 2013-11-25 04:22:11 +00:00
init_array-order.test [ELF] Fix incorrect sorting of .init_array / .fini_array sections. 2014-05-30 05:29:46 +00:00
init_array.test This is my Driver refactoring patch. 2013-04-04 18:59:24 +00:00
librarynotfound.test [lld][InputGraph] Change the Resolver to use inputGraph 2013-10-07 02:47:09 +00:00
linker-as-ld.test If lld is renamed (or symlinked) to "ld" automatically pick the right flavor. 2014-09-11 00:52:05 +00:00
mergeatoms.test Add missing triples so that these tests pass on 32 bit arch. 2014-01-09 00:07:20 +00:00
mergeconstants.test [ELF] change LayoutBefore Reference to InGroup Reference 2014-02-03 04:01:14 +00:00
mergeglobalatoms.test [lld][LinkingContext][ELF] Allow different output file types. 2013-09-23 04:24:15 +00:00
phdr.test Linking of shared libraries for MIPS little-endian 32-bit target. 2013-12-15 12:57:28 +00:00
ppc.test Revert "r193300 - [PassManager] add ReaderWriter{Native, YAML} to the Driver" 2013-10-24 18:22:16 +00:00
quickdata.test [ELF] Fix uninitalized value. 2013-10-03 19:25:34 +00:00
reloc.test [ELF] change LayoutBefore Reference to InGroup Reference 2014-02-03 04:01:14 +00:00
responsefile.test [ELF] Support response file. 2014-03-28 19:34:34 +00:00
rodata.test This is my Driver refactoring patch. 2013-04-04 18:59:24 +00:00
rosegment.test [ELF] Implement --rosegment 2014-09-08 04:05:52 +00:00
roundtrip.test REQUIRES: debug doesn't actually do anything! 2013-12-20 22:01:26 +00:00
sections.test [ELF] Fix uninitalized value. 2013-10-03 19:25:34 +00:00
soname.test Output soname. 2013-09-14 19:53:51 +00:00
stripped-empty.test Fix handling of files without a symbol table. 2013-06-07 21:08:19 +00:00
symbols.test [ELF] Dont generate PHDR when creating dynamic libraries. 2014-02-19 23:46:13 +00:00
tls.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
tlsAddr.test Fix trailing whitespace. 2014-01-27 03:09:26 +00:00
undef-from-dso-to-main.test Re-commit r218259. 2014-09-22 20:48:04 +00:00
undef-from-main-dso.test [lld] [ELF] Support for general dynamic TLS relocations on X86_64 2014-09-29 22:05:26 +00:00
weaksym.test A weak reference to a symbol that is only weakly referenced in 2013-09-03 12:06:33 +00:00
x86-64-dynamic-relocs.test [lld][LinkingContext][ELF] Allow different output file types. 2013-09-23 04:24:15 +00:00
x86-64-dynamic.test [ELF] Refactor x86-64 relocation pass. 2013-10-24 22:46:48 +00:00
x86.test [lld][LinkingContext][ELF] Allow different output file types. 2013-09-23 04:24:15 +00:00
x86_64-kinds.test [lld][LinkingContext][ELF] Allow different output file types. 2013-09-23 04:24:15 +00:00