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Simon Atanasyan 9e0297b8bc [ELF][MIPS] N32 ABI support 
In short the patch introduces support for linking object file conform
MIPS N32 ABI [1]. This ABI is similar to N64 ABI but uses 32-bit
pointer size.

The most non-trivial requirement of this ABI is one more relocation
packing format. N64 ABI puts multiple relocation type into the single
relocation record. The N32 ABI uses series of successive relocations
with the same offset for this purpose. In this patch, new function
`mergeMipsN32RelTypes` handle this case and "convert" N32 relocation to
the N64 relocation so the rest of the code keep unchanged.

For now, linker does not support series of relocations applied to sections
without SHF_ALLOC bit. Probably later I will add the support or insert
some sort of assert into the `relocateNonAlloc` routine to catch this
case.

[1] ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/MIPS-N32-ABI-Handbook.pdf

Differential revision: https://reviews.llvm.org/D26298

llvm-svn: 286052
 		2016-11-05 22:58:01 +00:00
..
aarch64-condb-reloc.s [ELF/AARCH64] - Implemented R_AARCH64_CONDBR19 relocation. 2016-01-11 14:22:00 +00:00
aarch64-copy2.s Fix implicit plt creation on aarch64. 2016-06-04 19:11:14 +00:00
aarch64-tls-gdie.s Implement gd to ie relaxation for aarch64. 2016-06-04 23:33:31 +00:00
aarch64-tls-ie.s Reapply r257588 2016-01-13 13:04:46 +00:00
aarch64-tstbr14-reloc.s [ELF/AARCH64] - Implemented R_AARCH64_TSTBR14 relocation. 2016-01-11 14:27:05 +00:00
abs-hidden.s Don't create relocations for non preemptable absolute symbols. 2016-04-15 12:22:22 +00:00
abs.s
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abs255.s
…
abs256.s
…
abs257.s
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allow-multiple-definition.s
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allow-shlib-undefined.s [ELF] - Error out when R_X86_64_PC32/R_X86_64_32 are used against preemptible symbol when linking shared object. 2016-03-29 08:35:42 +00:00
archive.s Remove unnecessary trailing semicolons. 2016-04-27 02:58:27 +00:00
archive2.s
…
archive3.s
…
archive4.s
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arm-exidx-cantunwind.s [ELF][ARM] Initial implentation of ARM exceptions support 2016-10-10 09:39:26 +00:00
arm-plt-reloc.s Initial support for ARM in lld. 2016-06-07 09:31:52 +00:00
arm-thumb-blx-targets.s Add initial support for Thumb for ARMv7a 2016-06-16 09:53:46 +00:00
arm-thumb-narrow-branch.o Add initial support for Thumb for ARMv7a 2016-06-16 09:53:46 +00:00
arm-thumb-narrow-branch.s Add initial support for Thumb for ARMv7a 2016-06-16 09:53:46 +00:00
arm-tls-get-addr.s [ARM] ARM TLS shouldn't use relaxations 2016-09-23 13:54:48 +00:00
comdat.s
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comment-gc.s Don't GC non-alloc mergeable section pieces 2016-09-29 10:27:10 +00:00
common.s
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conflict.s ELF: Include archive names in error messages. 2016-02-02 08:22:41 +00:00
copy-in-shared.s Reject zero-sized symbols when creating copy relocations. 2016-05-24 02:37:40 +00:00
copy-rel-corrupted.s Reject zero-sized symbols when creating copy relocations. 2016-05-24 02:37:40 +00:00
copy-rel-pie.s Fix copy relocations in pie. 2016-05-05 19:41:49 +00:00
ctors_dtors_priority1.s ELF: Implement the correct semantics of .[cd]tors. 2016-02-11 23:41:38 +00:00
ctors_dtors_priority2.s ELF: Implement the correct semantics of .[cd]tors. 2016-02-11 23:41:38 +00:00
ctors_dtors_priority3.s ELF: Implement the correct semantics of .[cd]tors. 2016-02-11 23:41:38 +00:00
discard-merge-unnamed.o Treat unnamed symbols as locals. 2015-12-11 19:09:21 +00:00
duplicated-plt-entry.s Don't create multiple .got.plt entries for the same symbol. 2016-02-16 16:46:31 +00:00
dynamic-reloc-weak.s Fix some confusion about what can be preempted. 2016-02-26 14:27:47 +00:00
dynamic-reloc.s
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ehframe-relocation.s Make this test a bit stronger. 2016-04-06 19:38:26 +00:00
empty-ver.ver Handle empty versions. 2016-06-28 21:48:33 +00:00
far-arm-abs.s Initial support for ARM in lld. 2016-06-07 09:31:52 +00:00
far-arm-thumb-abs.s Add initial support for Thumb for ARMv7a 2016-06-16 09:53:46 +00:00
gc-sections-weak.s Add an interesting GC testcase. 2016-04-15 15:26:52 +00:00
gdb-index-a.elf [ELF] - Partial support of --gdb-index command line option (Part 1). 2016-10-20 09:19:48 +00:00
gdb-index-b.elf [ELF] - Partial support of --gdb-index command line option (Part 1). 2016-10-20 09:19:48 +00:00
gnu-ifunc-gotpcrel.s ELF: Treat IFunc definitions in DSOs as functions. 2016-04-26 16:22:51 +00:00
gotpc-relax-und-dso.s [ELF] - Implemented optimization for R_X86_64_GOTPCREL relocation. 2016-05-25 14:31:37 +00:00
icf2.s ELF: Implement ICF. 2016-02-25 18:43:51 +00:00
libsearch-dyn.s Remove unnecessary trailing semicolons. 2016-04-27 02:58:27 +00:00
libsearch-st.s Remove unnecessary trailing semicolons. 2016-04-27 02:58:27 +00:00
llvm33-rela-outside-group.o [ELF] - Error out when R_X86_64_PC32/R_X86_64_32 are used against preemptible symbol when linking shared object. 2016-03-29 08:35:42 +00:00
merge.s
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mips-align-err.s Fix the alignment check. 2016-03-31 12:09:36 +00:00
mips-dynamic.s Reject zero-sized symbols when creating copy relocations. 2016-05-24 02:37:40 +00:00
mips-fnpic.s [ELF][MIPS] Do not use a binary input file in the test case. NFC 2016-09-29 12:58:42 +00:00
mips-fpic.s [ELF][MIPS] Do not use a binary input file in the test case. NFC 2016-09-29 12:58:42 +00:00
mips-gp-disp.so Regenerate test file. 2016-04-04 16:02:39 +00:00
mips-gp0-non-zero.o [ELF][MIPS] Set GP0 value to zero in case of relocatable object generation 2016-09-29 12:58:48 +00:00
mips-n32-rels.o [ELF][MIPS] N32 ABI support 2016-11-05 22:58:01 +00:00
mips-nonalloc.s [ELF] Take into account offset in the output section when read addends for a non-alloc input section 2016-05-21 19:48:54 +00:00
mips-options.o [ELF][MIPS] Handle section symbol points to the .MIPS.options / .reginfo section 2016-05-26 20:46:01 +00:00
mips-pic.s [ELF] Implement infrastructure for thunk code creation 2016-03-31 21:26:23 +00:00
mips-tls.s [ELF][MIPS] Support MIPS TLS relocations 2016-06-23 15:26:31 +00:00
no-symtab.o
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plt-aarch64.s Fix some confusion about what can be preempted. 2016-02-26 14:27:47 +00:00
ppc64-addr16-error.s Use defined hidden symbols for out of range tests. 2016-03-08 19:51:58 +00:00
progname-ver.so Fix producing undefined reference to __progname. 2016-04-29 16:23:31 +00:00
protected-shared.s Don't create dynamic relocations to ro segments. 2016-04-30 01:15:17 +00:00
relocatable-ehframe.s Run dos2unix. NFC. 2016-03-11 14:34:44 +00:00
relocatable.s [ELF2] - Basic implementation of -r/--relocatable 2016-02-25 08:23:37 +00:00
relocatable2.s [ELF2] - Basic implementation of -r/--relocatable 2016-02-25 08:23:37 +00:00
relocation-copy-alias.s ELF: Create dynamic symbols for symbol aliases of copy relocations. 2016-04-04 22:29:24 +00:00
relocation-copy-align.s Fix alignment computation for copy relocs. 2015-12-10 22:53:24 +00:00
relocation-copy-arm.s Initial support for ARM in lld. 2016-06-07 09:31:52 +00:00
relocation-copy.s [ELF/AArch64] Support R_AARCH64_COPY relocation. 2015-12-03 08:05:35 +00:00
relocation-size-shared.s [ELF] - R_X86_64_SIZE64/R_X86_64_SIZE32 relocations implemented. 2015-12-11 08:59:37 +00:00
resolution-shared.s Prefer symbols from .o over .so. 2016-01-18 23:54:05 +00:00
resolution.s
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shared-ppc64.s
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shared.s Create implicit plt entries for R_X86_64_32S. 2016-02-24 16:37:47 +00:00
shared2.s
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shared3.s
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start-lib-comdat.s Don't include --start-lib/--end-lib files twice. 2016-06-14 21:56:36 +00:00
start-lib1.s Fix a crash bug in --start-lib. 2016-04-08 20:49:31 +00:00
start-lib2.s Fix a crash bug in --start-lib. 2016-04-08 20:49:31 +00:00
startstop-shared2.s ELF: Override DSO definitions when creating __start_* and __stop_* symbols. 2016-10-13 22:20:18 +00:00
symbol-override.s Remove trailing whitespaces. 2016-07-25 16:51:52 +00:00
tls-got-entry.s Avoid creating duplicated relocations. 2016-04-01 12:54:27 +00:00
tls-got.s
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tls-in-archive.s Handle a weak undefined tls to archive member. 2016-02-22 23:19:29 +00:00
tls-mismatch.s
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tls-opt-gdie.s [ELF] - Implemented @tlsgd optimization (GD->IE case, x64). 2015-12-04 11:20:13 +00:00
tls-opt-gdiele-i686.s [ELF] - Implement the TLS relocation optimization for 32-bit x86. 2015-12-09 09:55:54 +00:00
tls-opt-iele-i686-nopic.s [ELF] - implemented @indntpoff (x86) relocation and its optimization. 2015-12-17 09:32:21 +00:00
trace-ar1.s [ELF] - Change -t implementation to print which archive members are used. 2016-04-13 18:07:57 +00:00
trace-ar2.s [ELF] - Change -t implementation to print which archive members are used. 2016-04-13 18:07:57 +00:00
trace-symbols-foo-strong.s Implement --trace-symbol=symbol option. 2016-06-23 07:00:17 +00:00
trace-symbols-foo-weak.s Implement --trace-symbol=symbol option. 2016-06-23 07:00:17 +00:00
uabs_label.s [ELF/AArch64] Implement some UABS relocs 2016-09-12 10:02:41 +00:00
undef-debug.s Allow fetching source line, when multiple "AX" sections present 2016-11-01 09:17:50 +00:00
undef-with-plt-addr.s Don't create dynamic relocations to ro segments. 2016-04-30 01:15:17 +00:00
undef.s Print member name in undefined symbol error. 2016-05-09 21:40:06 +00:00
unresolved-symbols.s [ELF] - Added support for --unresolved-symbols option. 2016-06-29 12:35:04 +00:00
use-bar.s [ELF] Don't fail if undefined symbol is not used 2016-10-06 09:45:04 +00:00
verdef-defaultver.s [ELF] - Implemented support of default/non-default symbols versions 2016-06-28 08:21:10 +00:00
verdef.s [ELF] - Recommit r273143("[ELF] - Basic versioned symbols support implemented.") 2016-06-20 11:55:12 +00:00
verneed.so.sh ELF: Create .gnu.version and .gnu.version_r sections when linking against versioned DSOs. 2016-04-27 20:22:31 +00:00
verneed1.so ELF: Create .gnu.version and .gnu.version_r sections when linking against versioned DSOs. 2016-04-27 20:22:31 +00:00
verneed2.so ELF: Create .gnu.version and .gnu.version_r sections when linking against versioned DSOs. 2016-04-27 20:22:31 +00:00
version-script-err.script Don't go on an infinite loop on a missing ";". 2016-06-20 14:02:22 +00:00
version-undef-sym.so Be sure to always increment the Versym pointer. 2016-04-29 17:46:07 +00:00
version-use.script Ignore the "globally available" version. 2016-06-06 22:42:57 +00:00
version-use.so Ignore the "globally available" version. 2016-06-06 22:42:57 +00:00
visibility.s Don't depend on lld creating relocations in ro segments. 2016-04-30 00:49:10 +00:00
warn-common.s [ELF] implement --warn-common/--no-warn-common 2016-03-14 09:19:30 +00:00
warn-common2.s [ELF] implement --warn-common/--no-warn-common 2016-03-14 09:19:30 +00:00
whole-archive.s Remove unnecessary trailing semicolons. 2016-04-27 02:58:27 +00:00
wrap.s ELF: Implement --wrap. 2016-01-07 17:20:07 +00:00
x86-64-relax-offset.s Don't confuse input and output section offsets. 2016-06-17 15:42:36 +00:00
x86-64-reloc-error.s Use defined hidden symbols for out of range tests. 2016-03-08 19:51:58 +00:00
x86-64-tls-gd-got.s Add a test for accessing __tls_get_addr with a GOT. 2016-07-04 17:34:53 +00:00