a0949b50dc
Remove some code duplication.
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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
d8e0bfe07a
Another case of 256 sections not being enough :-)
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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
152c1061e0
Get binding and visibility info from the the alias, but Type from the symbol
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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
153666c038
If a symbol is global, reloc against it even if it is in a mergeable section.
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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
3223f19ff0
Make sure weak symbols are listed after the local ones.
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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
8cecf253e4
Correctly handle GOTPCREL relocations.
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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
3729d0052b
Use a relocation against the symbol if it is a PLT and the symbol is in another
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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
01f9ea35a7
Implement more alias cases.
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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
f5c347dfc2
256 sections should be enough for anyone...
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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
62fed8bd38
Don't crash in a strange .size directive.
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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
737cd213e3
Implement a simple alias case and refactor the code a bit so that the
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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
5c77c16f31
Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed.
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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
8f413fa9c0
On ELF we need to know which symbols are used in relocations to decide if
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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
607d1f6d32
Implement ELF::R_X86_64_GOTPCREL.
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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
cebdc01d66
Move isFixupKindX86PCRel.
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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
92bf6684f6
Produce a R_X86_64_PLT32 when needed.
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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
28f9ac8101
Produce a R_X86_64_GOT32 when needed.
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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
55fb102130
Include the section address in the computation of the relocation.
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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
01263d35d4
Correctly compute the relocation when it is not in the first fragment.
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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
9d8b7555cd
Implement a very basic PIC case.
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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
7eae36b38b
Factor some logic into ShouldRelocOnSymbol. This simplifies the code and
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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
a8c02c3bdd
Correctly produce R_X86_64_32 or R_X86_64_32S.
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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
7070387f08
Make it possible for the MCObjectWriter to decide if a given fixup is fully
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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
53725bc57a
On elf, undefined symbols can start with .L.
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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
c3c413f631
Write relocations in the end of the file. This matches what gas does and
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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
2c6ec31df6
Factor symbol value computation into a function.
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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
73ffea47d2
Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put
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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
a648918eb7
Reapply 114678 and 114667. Reverting them did not fix the bot:
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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
cd4b20a25b
Revert 114678 and 114667 to see if
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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
e15eb4e14c
Correctly handle weak undefined symbols. Before we would get a invalid binding
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(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
a5c6b78bf8
Correctly compute the offset of the symbol. Forgot these bits from the
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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
b142bef30b
Represent relocations against local symbols as relocations against the section
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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
51efe7a253
Fix the FIXME.
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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
38738bf1a8
Fix typo and add a FIXME.
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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
aa359bddbf
Revert unrelated change that was accidentally included in the previous commit.
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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
f7c10a3cff
Implement support for .local and its "interesting" interactions with .comm.
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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
43779dcfef
Produce a R_X86_64_32 when the value is >=0.
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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
ad49cf5866
Make sure the STT_FILE symbol is the first one in the symbol table.
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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
0007489312
Avoid relocations in a common case.
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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
71859c640f
Print the address of sections as 0 and create the metadata sections in the
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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
5e492e8d42
MCELF: Write relocation fragments in the right endian.
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- 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
5baf79edc0
Make ELF OS ABI dependent on the OS from target triple.
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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
b629dcca72
ELF_STB_Local is 0 so setting and checking it must be done specially
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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
563b38a89a
Unresolved weak symbols have value equal zero.
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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
a9eadca2fd
MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell.
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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
19dc7faf25
Allow creation of SHT_NULL sections, from Roman Divacky.
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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
6cc53be24c
MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky.
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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
51799ddc7c
The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev.
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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
679d236117
Index external symbols by symbol table instead of parent section, by Roman Divacky.
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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
b188a3789e
squish dead code.
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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
