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939 Commits

Author SHA1 Message Date
Rafael Espindola
f89671d994 Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:27:31 +00:00
Rafael Espindola
cc3acee7b3 Add support for .value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 15:29:07 +00:00
Rafael Espindola
484291c273 Implement .weakref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 14:28:48 +00:00
Rafael Espindola
7be2c33193 Add support for files with more than 65280 sections. No testcase since 
it would be a bit too big :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 00:16:26 +00:00
Rafael Espindola
d179886f05 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:09:31 +00:00
Rafael Espindola
f4b0f3e616 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:33:33 +00:00
Rafael Espindola
787c33718d Add support for the .string directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:02:27 +00:00
Rafael Espindola
1973d43792 Defined weak symbols should have non-zero value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:39:57 +00:00
Rafael Espindola
29129728f1 Fix relocations with renamed symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:08:03 +00:00
Rafael Espindola
f571f9a8fe 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 18:33:03 +00:00
Roman Divacky
f9d1752104 Use the IDVal directly as there's no need to convert to std::string. 
Pointed out by Chris!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 16:57:58 +00:00
Roman Divacky
50e7a78709 Implement .equ directive as a synonym to .set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117553 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 16:22:58 +00:00
Rafael Espindola
aa8f1f0135 Implement R_X86_64_DTPOFF32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 15:11:03 +00:00
Rafael Espindola
b4d1721eff Implement TLSLD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 15:02:40 +00:00
Rafael Espindola
0cf15d61b7 Implement DTPOFF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 14:48:59 +00:00
Rafael Espindola
a264f72d3f Implement TLSLDM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 14:37:09 +00:00
Rafael Espindola
a0a2f8734c Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 14:22:44 +00:00
Rafael Espindola
3cede2d0b2 Add support for R_386_TLS_GD, R_386_TLS_LE_32, R_386_TLS_IE and R_386_TLS_LE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117494 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 21:23:52 +00:00
Rafael Espindola
bc82d8b84f Implement R_X86_64_GOTTPOFF, R_X86_64_TLSGD and R_X86_64_TPOFF32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 20:28:07 +00:00
Benjamin Kramer
07ee63283c Replace pointer arithmetic with StringRef::substr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 19:53:52 +00:00
Rafael Espindola
4fa3478fc2 Set default type and flags for .init and .fini. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 18:45:20 +00:00
Rafael Espindola
83ff4d2b0d Produce an error for an invalid use of .symver. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117462 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 17:56:18 +00:00
Rafael Espindola
bf052ac5d1 Symbols defined as the difference of other two end up in the ABS section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 16:04:30 +00:00
Rafael Espindola
8818213247 Add support for the .symver directive. This is really ugly, but most of it is 
contained in the ELF object writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 15:18:17 +00:00
Rafael Espindola
a6866969ba Move more logic to isInSymtab and simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 14:44:52 +00:00
Rafael Espindola
61e3b91da7 Add support for .ident. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 19:35:47 +00:00
Daniel Dunbar
b1e0f76352 MC/AsmParser: Fix relative precedence of {+,-} and comparison ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 20:18:56 +00:00
Daniel Dunbar
bdf90d679b MC/AsmLexer: Fix bug in source location for Slash token. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117298 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 20:18:53 +00:00
Rafael Espindola
cecbc3d282 Add support for emitting ARM file attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117275 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 17:50:35 +00:00
Rafael Espindola
24ba4f7f5f Add X86::reloc_global_offset_table and use it to have a single place where 
we check for _GLOBAL_OFFSET_TABLE_.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-24 17:35:42 +00:00
Benjamin Kramer
a3ac427507 Make some symbols static, move classes into anonymous namespaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 17:35:07 +00:00
Wesley Peck
eecb858ca8 Making the e_machine configurable by the target backend in ELFObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 15:52:49 +00:00
Jim Grosbach
fe40f9551c Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-21 22:04:05 +00:00
Michael J. Spencer
ef0401ad66 Fix Warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117062 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-21 20:49:38 +00:00
Rafael Espindola
8c8bc05a38 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117037 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-21 18:00:20 +00:00
Chandler Carruth
1cd9708f5c Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three 
#includes in the process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 08:27:02 +00:00
Rafael Espindola
bd70118f16 Small cleanups and fixes in preparation for fixing _GLOBAL_OFFSET_TABLE_. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 19:31:37 +00:00
Bill Wendling
cf2561d111 Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 10:18:23 +00:00
Chandler Carruth
b5a2d3f8e3 Move the definition of this to the source file to anchor the vtable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:37:30 +00:00
Rafael Espindola
eada304793 Implement R_386_GOT32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 20:47:21 +00:00
Rafael Espindola
ce2d3c5775 Relocate with .bss instead of using the symbol. Matches gas behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 20:25:33 +00:00
Rafael Espindola
24dc9ecdc5 Reenable assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 19:33:01 +00:00
Rafael Espindola
aa85c21633 Produce ELF::R_386_GOTPC relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:36:12 +00:00
Rafael Espindola
9baee3b3a3 Make the bots happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:03:28 +00:00
Rafael Espindola
9edab3a9e1 Produce a R_386_PLT32 when needed. Moved the default cases of switches to the 
start for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116715 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 16:58:03 +00:00
Rafael Espindola
c97f80efc8 Handle GOTOFF correctly on i386. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 16:38:04 +00:00
Benjamin Kramer
24f1206c7d Fix a typo and silence unused variable warnings in -Asserts build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-17 07:38:40 +00:00
Rafael Espindola
f230df9af4 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 18:23:53 +00:00
Michael J. Spencer
4cee2890a6 MC-COFF: Add support for default-null weak externals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 08:25:57 +00:00
Daniel Dunbar
138abae2a2 MC/AsmParser: Report .stabs directive as unsupported. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 04:56:42 +00:00
Rafael Espindola
de89b010b0 Refactor alias handling to AliasedSymbol. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-15 18:25:33 +00:00
Rafael Espindola
5df0b65e8f Refactor code a bit and avoid creating unnecessary entries in the string 
map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-15 15:39:06 +00:00
Rafael Espindola
a0949b50dc Remove some code duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116484 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 16:34:44 +00:00
Michael J. Spencer
28ca86aa19 MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 16:04:45 +00:00
Michael J. Spencer
192d136750 MC-COFF: Implement InitSections. Fixes PR8335. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 15:44:27 +00:00
Michael J. Spencer
7d4900416a MC-COFF: Add COFFAsmParser. Completes PR8343. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116150 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 11:01:07 +00:00
Michael J. Spencer
c0c8df3cea Fix Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 11:00:50 +00:00
Michael J. Spencer
d47f4a9c98 MC-COFF: Assert on non-coff sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 11:00:37 +00:00
Michael J. Spencer
e90ea139f4 MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for something else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 03:47:55 +00:00
Michael J. Spencer
b225adee29 MC-COFF: Handle relaxation in COFF better. Fixes PR8321. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116013 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 23:55:40 +00:00
NAKAMURA Takumi
86c3647ddf Minor cosmetic change: fix DOSish \r\n. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 07:21:04 +00:00
Michael J. Spencer
b5814a3c15 MC-COFF: Fix symbol aliases. Fixes PR8251. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 06:29:33 +00:00
Rafael Espindola
d8e0bfe07a Another case of 256 sections not being enough :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 22:28:19 +00:00
Rafael Espindola
152c1061e0 Get binding and visibility info from the the alias, but Type from the symbol 
being aliased.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 21:02:29 +00:00
Michael J. Spencer
345ed9806a MC: Add missing forward in MCLoggingStreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 20:36:47 +00:00
Rafael Espindola
153666c038 If a symbol is global, reloc against it even if it is in a mergeable section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 19:27:21 +00:00
Rafael Espindola
3223f19ff0 Make sure weak symbols are listed after the local ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 16:47:31 +00:00
Rafael Espindola
8cecf253e4 Correctly handle GOTPCREL relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 16:23:36 +00:00
Rafael Espindola
3729d0052b Use a relocation against the symbol if it is a PLT and the symbol is in another 
section. Common because of linkonce sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 23:57:26 +00:00
Rafael Espindola
01f9ea35a7 Implement more alias cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 22:26:43 +00:00
Rafael Espindola
f5c347dfc2 256 sections should be enough for anyone... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 21:20:07 +00:00
Rafael Espindola
62fed8bd38 Don't crash in a strange .size directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 21:02:45 +00:00
Michael J. Spencer
ea1104a4c3 Fix Punctuation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 19:48:12 +00:00
Michael J. Spencer
eb6e77f8cc MC-COFF: Fix (PR8278) temporary symbol relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 19:48:03 +00:00
Rafael Espindola
e452b17130 Add support for a fill value in the .zero directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 19:42:57 +00:00
Rafael Espindola
737cd213e3 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 18:01:23 +00:00
Rafael Espindola
5c77c16f31 Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 15:48:37 +00:00
Rafael Espindola
8f413fa9c0 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115619 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 15:11:03 +00:00
Kevin Enderby
3f55c24df9 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 20:17:24 +00:00
Rafael Espindola
607d1f6d32 Implement ELF::R_X86_64_GOTPCREL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 19:51:39 +00:00
Rafael Espindola
cebdc01d66 Move isFixupKindX86PCRel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 19:46:28 +00:00
Rafael Espindola
92bf6684f6 Produce a R_X86_64_PLT32 when needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 19:04:13 +00:00
Rafael Espindola
28f9ac8101 Produce a R_X86_64_GOT32 when needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 18:44:25 +00:00
Jan Wen Voung
083cf1574f 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115523 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 17:32:41 +00:00
Rafael Espindola
55fb102130 Include the section address in the computation of the relocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 15:59:01 +00:00
Rafael Espindola
01263d35d4 Correctly compute the relocation when it is not in the first fragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115506 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-04 15:28:43 +00:00
Rafael Espindola
9d8b7555cd Implement a very basic PIC case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-03 00:46:57 +00:00
Kevin Enderby
8c9aa922a9 This adds a Darwin x86_64 relocation encoding for a subtraction expression 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-02 00:13:41 +00:00
Rafael Espindola
7eae36b38b 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115194 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:18:35 +00:00
Kevin Enderby
c095793b4a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 16:52:03 +00:00
Kevin Enderby
b5a3ec17a4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 16:42:21 +00:00
Chandler Carruth
5c0d472b6e Silence a GCC warning about not handling all flags in this switch, we 
specifically assert on unexpected flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 10:59:51 +00:00
Jan Wen Voung
186e7a0fb1 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 05:59:22 +00:00
Rafael Espindola
a8c02c3bdd 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 03:11:42 +00:00
Jason W Kim
afd1cc2578 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:45:56 +00:00
Jan Wen Voung
12ad94e03c Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when 
constructing a section. Test for a few cases also included.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:41:46 +00:00
Rafael Espindola
7070387f08 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:22:20 +00:00
Jan Wen Voung
a854a4bbc8 Test commit - Deleted some whitespace at the end of a line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 01:09:20 +00:00
Rafael Espindola
9e3922e949 Move "local commons" to the end of .bss to match the gnu as behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115037 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 14:52:01 +00:00
Michael J. Spencer
81100d0608 MC-COFF: Fix symbol storage class for globals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 03:13:41 +00:00
Chris Lattner
7036f8be4d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115014 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 01:42:58 +00:00
Rafael Espindola
53725bc57a On elf, undefined symbols can start with .L. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114958 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 16:19:11 +00:00
Rafael Espindola
c3c413f631 Write relocations in the end of the file. This matches what gas does and 
makes files easier to diff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 22:04:54 +00:00
Rafael Espindola
0453dd9ca0 Make sure .text doesn't produce extra alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:40:27 +00:00
Rafael Espindola
2c6ec31df6 Factor symbol value computation into a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114891 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:23:02 +00:00
Michael J. Spencer
9cf23a9ab4 MC-COFF: Fix signed/unsigned comparison. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:17:39 +00:00
Daniel Dunbar
4f2afe3d39 MC/AsmParser: Handle exponents in floating point literals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 20:12:52 +00:00
Rafael Espindola
b814110612 Remove unused argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114852 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:13:03 +00:00
Benjamin Kramer
d1e1703c39 Push twines deeper into SourceMgr's error handling methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 17:42:11 +00:00
Michael J. Spencer
a72d87899b MC-COFF: Drop empty sections, and label symbols. Convert relocations 
targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114823 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 08:58:26 +00:00
Rafael Espindola
73ffea47d2 Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put 
symbols defined in merge sections in independent atoms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114786 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 05:42:19 +00:00
Rafael Espindola
a648918eb7 Reapply 114678 and 114667. Reverting them did not fix the bot: 
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost/builds/69

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 21:19:03 +00:00
Rafael Espindola
cd4b20a25b Revert 114678 and 114667 to see if 
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost

gets happy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 18:48:08 +00:00
Daniel Dunbar
facb34b41c MC/AsmParser: Handle a missed case of floating literals in the lexer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 17:10:26 +00:00
Daniel Dunbar
b95a079cae 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 01:59:56 +00:00
Daniel Dunbar
54f0a625b0 MC/Lexer: Add 'Real' token type for floating point literals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 01:59:31 +00:00
Daniel Dunbar
75413b1464 MC: Add missing ')' in diagnostic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 01:58:56 +00:00
Rafael Espindola
e15eb4e14c Correctly handle weak undefined symbols. Before we would get a invalid binding 
(2 == STB_WEAK | STB_GLOBAL).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114690 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 19:55:14 +00:00
Rafael Espindola
a5c6b78bf8 Correctly compute the offset of the symbol. Forgot these bits from the 
last commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114678 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 18:01:31 +00:00
Rafael Espindola
b142bef30b 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 17:25:18 +00:00
Rafael Espindola
51efe7a253 Fix the FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 14:14:56 +00:00
Sean Callanan
38a9288f78 Fixed a crash in the enhanced disassembler where 
because of the lack of a newline, AsmToken::Eof
was being found instead of AsmToken::EndOfStatement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 02:14:12 +00:00
Jim Grosbach
637d89fe0e 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)).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 23:27:36 +00:00
Rafael Espindola
59ff3c9134 Avoid some Mach-O specific alignment being done on ELF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114594 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 22:27:05 +00:00
Chris Lattner
e07b75e069 allow target-specific label suffixes, patch by Yuri Gribov! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 22:19:53 +00:00
Rafael Espindola
38738bf1a8 Fix typo and add a FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 19:04:41 +00:00
Jim Grosbach
bd4ec84d15 grammar tweakage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 18:18:30 +00:00
Jim Grosbach
00545e1cd5 remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 18:16:55 +00:00
Rafael Espindola
1963572f9d Correctly align bss. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 17:43:04 +00:00
Chris Lattner
f7d4da0c1d fix rdar://8456417 - llvm-mc can't do basic math 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 05:05:16 +00:00
Rafael Espindola
aa359bddbf Revert unrelated change that was accidentally included in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 00:40:19 +00:00
Rafael Espindola
f7c10a3cff Implement support for .local and its "interesting" interactions with .comm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 00:24:38 +00:00
Rafael Espindola
43779dcfef Produce a R_X86_64_32 when the value is >=0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114339 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 19:20:47 +00:00
Rafael Espindola
ad49cf5866 Make sure the STT_FILE symbol is the first one in the symbol table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-18 15:03:21 +00:00
Rafael Espindola
0007489312 Avoid relocations in a common case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 22:34:41 +00:00
Daniel Dunbar
f3f95c9274 Fix an MSVC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114184 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 16:34:24 +00:00
Daniel Dunbar
23bea41ec6 MC/Mach-O/i386: Fix a crash in relocation handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 15:21:50 +00:00
Daniel Dunbar
cceba83893 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 02:47:07 +00:00
Rafael Espindola
71859c640f Print the address of sections as 0 and create the metadata sections in the 
same order as gnu as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-16 19:46:31 +00:00
Rafael Espindola
34e3d0cfe5 Make sure that names like .note.GNU-stack are accepted as valid section names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-16 17:05:55 +00:00
Rafael Espindola
2ea2ac798b Add support for the .zero directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-16 15:03:59 +00:00
Rafael Espindola
d80781b98b 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-15 21:48:40 +00:00
Michael J. Spencer
3a210e2d30 Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally." 
This reverts commit r113632

Conflicts:

	cmake/modules/AddLLVM.cmake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-13 23:59:48 +00:00
Rafael Espindola
f713384be5 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).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-13 17:39:45 +00:00
Rafael Espindola
b98ac2a71e Add support for leb128 of absolute expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-11 16:45:15 +00:00
Chris Lattner
cbf8a98c7c fix the asmparser so that the target is responsible for skipping to 
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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113688 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-11 16:18:25 +00:00
Michael J. Spencer
4e9c939312 CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113632 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 21:14:25 +00:00
Daniel Dunbar
1ab6f2fa7a 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113552 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 22:42:59 +00:00
Daniel Dunbar
93bd4d1e6b llvm-mc: Make sure we exit != 0 if any errors are encountered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 22:42:56 +00:00
Benjamin Kramer
5e492e8d42 MCELF: Write relocation fragments in the right endian. 
- This code is gross, but does the job for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 18:01:29 +00:00
Roman Divacky
5baf79edc0 Make ELF OS ABI dependent on the OS from target triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 17:57:50 +00:00
Daniel Dunbar
a6c329d66b MC: Give a (lame) hard error if a .org directive would create an unreasonably 
large object file (> 1GB).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113494 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-09 16:23:33 +00:00
Roman Divacky
b629dcca72 ELF_STB_Local is 0 so setting and checking it must be done specially 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113375 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 18:08:40 +00:00
Roman Divacky
563b38a89a Unresolved weak symbols have value equal zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 14:29:45 +00:00
Chris Lattner
34e53140c2 change the MC "ParseInstruction" interface to make it the 
implementation's job to check for and lex the EndOfStatement
marker.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-08 05:10:46 +00:00
Benjamin Kramer
a9eadca2fd MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 16:11:52 +00:00
Bill Wendling
7d49f2b1bf Get rid of "passing signed into unsigned parameter" warning on PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:09:46 +00:00
Benjamin Kramer
1674b0b0e4 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:53:37 +00:00
Benjamin Kramer
230c274724 Allow MCSA_WeakRef in ELF. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112834 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 17:18:32 +00:00
Devang Patel
b1fcfbe89b Fix .debug_range for linux. Patch by Krister Wombell. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 16:43:44 +00:00
Devang Patel
ae84d5b9ba Use absolute label for DW_AT_stmt_list if a target does not prefer offset here. 
This patch was developed on top of original patch by Artur Pietrek.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112678 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:50:19 +00:00
Kevin Enderby
232ab949d5 This is the second of three patches to implement support for the .loc directive 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112668 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:55:11 +00:00
Benjamin Kramer
19dc7faf25 Allow creation of SHT_NULL sections, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 17:03:33 +00:00
Benjamin Kramer
6cc53be24c MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 17:20:17 +00:00
Benjamin Kramer
51799ddc7c The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112473 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 12:00:16 +00:00
Benjamin Kramer
679d236117 Index external symbols by symbol table instead of parent section, by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 11:59:29 +00:00
Benjamin Kramer
82a3171b72 Mark all common symbols external. This is not exactly correct but it lets apps 
link for now and can be adjusted later. Patch by Roman Divacky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 11:56:55 +00:00
Chris Lattner
b188a3789e squish dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 03:21:03 +00:00
Benjamin Kramer
93ded7371f MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 10:40:51 +00:00
Benjamin Kramer
95c602ade3 MCELF: Always overwrite FixedValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 10:38:39 +00:00
Benjamin Kramer
4ba1b3074b MCELF: Fix a thinko of mine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 18:12:04 +00:00
Benjamin Kramer
63d37b9322 MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 17:23:02 +00:00
Benjamin Kramer
7b83c26051 MCELF: Use precomputed symbol indices, patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:09:43 +00:00
Michael J. Spencer
bf252bef67 MC: Fix inconsistant naming in COFF object writer. Patch by Cameron Esfahani. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 19:27:27 +00:00
Kevin Enderby
6d8f1a9a18 Change the parsing of .loc back to allow the LineNumber field to be optional as 
it is with other assemblers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111967 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:14:47 +00:00
Michael J. Spencer
82c84fdd23 Fix COFF x86-64 relocations. PR7960. 
Multiple symbol reloc handling part of the patch by Cameron Esfahani.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111963 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:04:52 +00:00
Kevin Enderby
c1840b3da2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111956 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:32:42 +00:00
Daniel Dunbar
e17edff28f MC/AsmParser: Change ParseExpression to use ParseIdentifier(), to support 
dollars in identifiers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111946 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:13:42 +00:00
Daniel Dunbar
1f1b865c40 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:12:12 +00:00
Benjamin Kramer
2f6e0e68a4 Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:34:39 +00:00
Chris Lattner
a78c67e9bb fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals. 
Also fix 0b010 syntax to actually work while we're at it :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 00:43:25 +00:00
Benjamin Kramer
c522f6e70b Fix thinko. Having no tests is great ... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:32:00 +00:00
Benjamin Kramer
36c6dc22bc Reduce code duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:23:52 +00:00
Benjamin Kramer
0b6cbfe04c 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 21:19:37 +00:00
Benjamin Kramer
bcf2db60dd Add the symbol offset to the relocation value when we relocate against section. By Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 19:05:46 +00:00
Benjamin Kramer
30dc1ee78a Use the proper relocation section + cleanup, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:24:20 +00:00
Michael J. Spencer
69c59218dc Revert part of my last commit. the mingw32 build bot doesn't seem to like it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 05:25:23 +00:00
Michael J. Spencer
3464cec4d8 Workaround broken jump tables on x86-64 COFF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111792 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 04:45:37 +00:00
Michael J. Spencer
da0bfcdaf9 MC: Add partial x86-64 support to COFF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 05:58:13 +00:00
Benjamin Kramer
44cbde85ba MCELF: Count the section orders properly. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-19 13:44:49 +00:00
Daniel Dunbar
c983b20661 MC/ELF: Allow null values in virtual sections, ELF doesn't use special 
directives for putting contents in .bss, for example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 18:22:37 +00:00
Benjamin Kramer
81cfb8529b Remove dead code. Fixes a GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 19:45:05 +00:00
Benjamin Kramer
e5b57347e9 Sketch i386 relocations handling, from Roman Divacky. 
Hello world builds & runs now on i386/ELF with -integrated-as.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 18:20:28 +00:00
Benjamin Kramer
299fbe3a5a Use the correct entry size for relocation entries, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:56:13 +00:00
Benjamin Kramer
377a572d9b Differentiate between RELA and REL relocations, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:30:07 +00:00
Benjamin Kramer
eb97677764 One baby step towards i386 ELF, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:02:29 +00:00
Benjamin Kramer
172d7d6a12 Try to silence a overeager GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:33:24 +00:00
Benjamin Kramer
368ae7e4ec A round of minor cleanups for ELFObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:00:46 +00:00
Benjamin Kramer
1f8aa7bf08 Silence warnings and simplify code. Eliminate a 32/64 bit portability issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:00:12 +00:00
Eli Friedman
a44fa2473a Fixes for generation of ELF relocations. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:17:09 +00:00