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239 Commits

Author SHA1 Message Date
Rafael Espindola 0e527b7ed5 Fix typo and add a FIXME. 
llvm-svn: 114570
 2010-09-22 19:04:41 +00:00
Rafael Espindola 461a692c7f Revert unrelated change that was accidentally included in the previous commit. 
llvm-svn: 114383
 2010-09-21 00:40:19 +00:00
Rafael Espindola f0591c1642 Implement support for .local and its "interesting" interactions with .comm. 
llvm-svn: 114382
 2010-09-21 00:24:38 +00:00
Rafael Espindola 32ab4558fe Produce a R_X86_64_32 when the value is >=0. 
llvm-svn: 114339
 2010-09-20 19:20:47 +00:00
Rafael Espindola 57e599a82a Make sure the STT_FILE symbol is the first one in the symbol table. 
llvm-svn: 114285
 2010-09-18 15:03:21 +00:00
Rafael Espindola 0ecde03e9f Avoid relocations in a common case. 
llvm-svn: 114229
 2010-09-17 22:34:41 +00:00
Rafael Espindola 44bf266111 Print the address of sections as 0 and create the metadata sections in the 
same order as gnu as.

llvm-svn: 114109
 2010-09-16 19:46:31 +00:00
Benjamin Kramer 6c3c349b2b MCELF: Write relocation fragments in the right endian. 
- This code is gross, but does the job for now.

llvm-svn: 113509
 2010-09-09 18:01:29 +00:00
Roman Divacky 3b727f55aa Make ELF OS ABI dependent on the OS from target triple. 
llvm-svn: 113508
 2010-09-09 17:57:50 +00:00
Roman Divacky 2ef1a589c5 ELF_STB_Local is 0 so setting and checking it must be done specially 
llvm-svn: 113375
 2010-09-08 18:08:40 +00:00
Roman Divacky 6c27de28b5 Unresolved weak symbols have value equal zero. 
llvm-svn: 113358
 2010-09-08 14:29:45 +00:00
Benjamin Kramer 3723ba1fe0 MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell. 
llvm-svn: 113155
 2010-09-06 16:11:52 +00:00
Benjamin Kramer 4226198a1d Allow creation of SHT_NULL sections, from Roman Divacky. 
llvm-svn: 112605
 2010-08-31 17:03:33 +00:00
Benjamin Kramer b1b493bcab MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky. 
llvm-svn: 112492
 2010-08-30 17:20:17 +00:00
Benjamin Kramer 8199447851 The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev. 
llvm-svn: 112473
 2010-08-30 12:00:16 +00:00
Benjamin Kramer f791b9fc56 Index external symbols by symbol table instead of parent section, by Roman Divacky. 
llvm-svn: 112472
 2010-08-30 11:59:29 +00:00
Chris Lattner 95bb297c26 squish dead code. 
llvm-svn: 112350
 2010-08-28 03:21:03 +00:00
Benjamin Kramer 05e22982c8 MCELF: Always overwrite FixedValue. 
llvm-svn: 112259
 2010-08-27 10:38:39 +00:00
Benjamin Kramer 2c45f431fa MCELF: Fix a thinko of mine. 
llvm-svn: 112203
 2010-08-26 18:12:04 +00:00
Benjamin Kramer 929cc7618f MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups. 
llvm-svn: 112197
 2010-08-26 17:23:02 +00:00
Benjamin Kramer 37b384cd66 MCELF: Use precomputed symbol indices, patch by Roman Divacky. 
llvm-svn: 112079
 2010-08-25 20:09:43 +00:00
Benjamin Kramer a536f077fe Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky. 
llvm-svn: 111925
 2010-08-24 17:34:39 +00:00
Benjamin Kramer d41b53c037 Fix thinko. Having no tests is great ... 
llvm-svn: 111848
 2010-08-23 21:32:00 +00:00
Benjamin Kramer c4809c930a Reduce code duplication. 
llvm-svn: 111846
 2010-08-23 21:23:52 +00:00
Benjamin Kramer 86511dce18 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. 
llvm-svn: 111844
 2010-08-23 21:19:37 +00:00
Benjamin Kramer 40f83489b4 Add the symbol offset to the relocation value when we relocate against section. By Roman Divacky. 
llvm-svn: 111824
 2010-08-23 19:05:46 +00:00
Benjamin Kramer 620b68e883 Use the proper relocation section + cleanup, from Roman Divacky. 
llvm-svn: 111819
 2010-08-23 18:24:20 +00:00
Benjamin Kramer 448886d5df MCELF: Count the section orders properly. Patch by Roman Divacky. 
llvm-svn: 111517
 2010-08-19 13:44:49 +00:00
Benjamin Kramer da7604f53d Remove dead code. Fixes a GCC warning. 
llvm-svn: 111271
 2010-08-17 19:45:05 +00:00
Benjamin Kramer 1afba421a9 Sketch i386 relocations handling, from Roman Divacky. 
Hello world builds & runs now on i386/ELF with -integrated-as.

llvm-svn: 111264
 2010-08-17 18:20:28 +00:00
Benjamin Kramer fd0541566b Use the correct entry size for relocation entries, from Roman Divacky. 
llvm-svn: 111259
 2010-08-17 17:56:13 +00:00
Benjamin Kramer 1fe76565d0 Differentiate between RELA and REL relocations, from Roman Divacky. 
llvm-svn: 111252
 2010-08-17 17:30:07 +00:00
Benjamin Kramer 896bd7e932 One baby step towards i386 ELF, from Roman Divacky. 
llvm-svn: 111247
 2010-08-17 17:02:29 +00:00
Benjamin Kramer b962ca0ce5 Try to silence a overeager GCC warning. 
llvm-svn: 111214
 2010-08-17 00:33:24 +00:00
Benjamin Kramer 5f237942f5 A round of minor cleanups for ELFObjectWriter. 
llvm-svn: 111213
 2010-08-17 00:00:46 +00:00
Benjamin Kramer be6cca2b7d Silence warnings and simplify code. Eliminate a 32/64 bit portability issue. 
llvm-svn: 111201
 2010-08-16 23:00:12 +00:00
Eli Friedman 1fe0d53aec Fixes for generation of ELF relocations. Patch by Roman Divacky. 
llvm-svn: 111183
 2010-08-16 21:17:09 +00:00
Eli Friedman b20b5249d2 Fix a few warnings in and detabify MCELFStreamer and ELFObjectWriter. 
llvm-svn: 111175
 2010-08-16 19:15:06 +00:00
Matt Fleming 6c1ad4835e Add ELF ObjectWriter and Streamer support. 
I forgot to add these files in commit 111172.

llvm-svn: 111174
 2010-08-16 18:57:57 +00:00