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36 Commits

Author SHA1 Message Date
Bruno Cardoso Lopes
a7fc820079 Remove hack used to strip unwanted chars from section name 
Use MCSectionELF methods as much as possible, removing some
ELFWriter methods which are now unused

llvm-svn: 78940
 2009-08-13 21:25:27 +00:00
Bruno Cardoso Lopes
5347f22cb1 Move ConstantExpr handling to ResolveConstantExpr method and also 
add support for PtrToInt, Add, Mul.

llvm-svn: 78552
 2009-08-10 03:32:40 +00:00
Bruno Cardoso Lopes
9e93ee1c78 ELF improvements: 
Handle large integers, x86_fp80, ConstantAggregateZero, and two more ConstantExpr:
GetElementPtr and IntToPtr
Set SHF_MERGE bit for mergeable strings
Avoid zero initialized strings to be classified as a bss symbol
Don't allow common symbols to be classified as STB_WEAK
Add a constant to be used as a global value offset in data relocations 

llvm-svn: 78476
 2009-08-08 17:29:04 +00:00
Bruno Cardoso Lopes
2ae97a2777 - Remove custom handling of jumptables by the elf writter (this was 
a dirty hack and isn't need anymore since the last x86 code emitter patch)
- Add a target-dependent modifier to addend calculation
- Use R_X86_64_32S relocation for X86::reloc_absolute_word_sext
- Use getELFSectionFlags whenever possible
- fix getTextSection to use TLOF and emit the right text section 
- Handle global emission for static ctors, dtors and Type::PointerTyID
- Some minor fixes

llvm-svn: 78176
 2009-08-05 06:57:03 +00:00
Chris Lattner
c156a00641 refactor section construction in TLOF to be through an explicit 
initialize method, which can be called when an MCContext is available.

llvm-svn: 77687
 2009-07-31 17:42:42 +00:00
Bruno Cardoso Lopes
f6ea9fb8c2 add module identifier to the elf object file 
llvm-svn: 77238
 2009-07-27 19:32:57 +00:00
Bruno Cardoso Lopes
a536302ed5 Handle external symbols for ELF and add some static methods to ELFSym 
llvm-svn: 77232
 2009-07-27 18:54:47 +00:00
Chris Lattner
a2b00bdd7a Eliminate SectionFlags, just embed a SectionKind into Section 
instead and drive things based off of that.

llvm-svn: 77184
 2009-07-27 05:32:16 +00:00
Bruno Cardoso Lopes
2015382398 Support adding relocations for data sections, handling the cases where 
global declared symbols are initialized with references from other global
symbols.

llvm-svn: 76540
 2009-07-21 06:51:32 +00:00
Bruno Cardoso Lopes
b47b093de2 For PC relative relocations where symbols are defined in the same section they 
are referenced, ignore the relocation entry and patch the relocatable field with
the computed symbol offset directly

llvm-svn: 76414
 2009-07-20 08:52:02 +00:00
Bruno Cardoso Lopes
84568ea6f1 Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions 
llvm-svn: 76347
 2009-07-18 23:24:01 +00:00
Bruno Cardoso Lopes
d5eafae1fd Add support to properly reference private symbols on relocation entries. 
Use proper relocation type to build relocations for JumpTables (rodata
sections).

llvm-svn: 76326
 2009-07-18 19:30:09 +00:00
Bruno Cardoso Lopes
c69e9d53bb Fix coding style issues pointed by Bill. 
llvm-svn: 75898
 2009-07-16 06:26:41 +00:00
Bruno Cardoso Lopes
7bdb20f6a2 use std::vector instead of std::list for both Section and Symbol lists because 
we care more about random access than insertion/deletion of elements.

llvm-svn: 75828
 2009-07-15 20:49:10 +00:00
Bruno Cardoso Lopes
046ddf7ca0 Cleanup the global emission and refactor some code 
llvm-svn: 75537
 2009-07-13 22:40:39 +00:00
Daniel Dunbar
cf2cfb50d3 Match declaration to definition. 
llvm-svn: 75454
 2009-07-13 06:00:13 +00:00
Bruno Cardoso Lopes
f03970cf37 Changed ELFCodeEmitter to inherit from ObjectCodeEmitter 
llvm-svn: 74821
 2009-07-06 09:26:48 +00:00
Bruno Cardoso Lopes
0dc4fd3fcc Factor some code out and support for Jump Table relocations 
llvm-svn: 74760
 2009-07-03 04:36:26 +00:00
Bruno Cardoso Lopes
810ef07890 shrinking down #includes 
llvm-svn: 74718
 2009-07-02 18:29:24 +00:00
Bruno Cardoso Lopes
5e0be0b9a1 Support Constant Pool Sections 
Add section symbols to the symbol table

llvm-svn: 74170
 2009-06-25 07:36:24 +00:00
Bruno Cardoso Lopes
bd023b8ebe Use a default alignment for data and bss sections. 
Only pad when the section size > 0 and move the code that deals
with globals initializers to a place we know for sure the global
is initialized.

llvm-svn: 73944
 2009-06-23 04:39:27 +00:00
Bruno Cardoso Lopes
4615b9cdf9 Use different functions to emit the string and symbol tables. 
llvm-svn: 73895
 2009-06-22 19:29:56 +00:00
Bruno Cardoso Lopes
7b196ba30e Add more methods to gather target specific elf stuff 
Support for .text relocations, implementing TargetELFWriter overloaded methods for x86/x86_64.
Use a map to track global values to their symbol table indexes
Code cleanup and small fixes

llvm-svn: 73894
 2009-06-22 19:16:16 +00:00
Bruno Cardoso Lopes
d73d79eaf9 Introduce new BinaryObject (blob) class, ELF Writer modified to use it. BinaryObject.h by Aaron Gray 
llvm-svn: 73333
 2009-06-14 07:53:21 +00:00
Bruno Cardoso Lopes
9b68e8653f Support for ELF Visibility 
Emission for globals, using the correct data sections
Function alignment can be computed for each target using TargetELFWriterInfo
Some small fixes

llvm-svn: 73201
 2009-06-11 19:16:03 +00:00
Bruno Cardoso Lopes
cfa07266cf Simple ELF32/64 binary files can now be emitted for x86 and x86_64 without 
relocation sections.

llvm-svn: 73038
 2009-06-07 21:22:38 +00:00
Bruno Cardoso Lopes
b3b24681ca Remove elf specific info from ELFWriter.h to Elf.h. Code cleanup and more comments added 
llvm-svn: 72982
 2009-06-06 03:56:29 +00:00
Bruno Cardoso Lopes
23b9f95d35 ELF Code Emitter now uses CurBufferPtr, BufferBegin and BufferEnd, as do JIT and 
MachO Writer. This will change with the arrival of ObjectCodeEmitter and
BinaryObject

llvm-svn: 72906
 2009-06-05 00:22:10 +00:00
Owen Anderson
2c1d54952b Use raw_ostream throughout the AsmPrinter. 
llvm-svn: 55092
 2008-08-21 00:14:44 +00:00
Dan Gohman
a363ba510c Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Gabor Greif
5f705671e4 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
 2007-07-05 17:07:56 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Bill Wendling
48653bfaa4 Moved from include/llvm/CodeGen to lib/CodeGen. 
llvm-svn: 34027
 2007-02-08 01:30:50 +00:00