1729e12358
[ELF][Hexagon] add initial changes to add GOT/PLT
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llvm-svn: 176415
2013-03-03 07:34:56 +00:00
b0e356e223
move dynamic linking atoms to Atoms.h
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llvm-svn: 176370
2013-03-01 19:33:42 +00:00
8c0526593a
[Writer][ELF][x86-64] Handle GOTPCREL relocations to SharedLibraryAtoms.
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llvm-svn: 176324
2013-03-01 01:09:46 +00:00
3e00c5015f
[ELF][x86-64] Only emit a PLT entry for a PLT relocation if the target atom is a SharedLibraryAtom.
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This seems to be what ld does, but I'm not sure how it works with symbol interposition.
With this hello-world with glibc dynamically linked works.
llvm-svn: 176310
2013-03-01 00:03:56 +00:00
a26f71c9ed
[ELF][x86-64] Separate static and dynamic GOT/PLT generation.
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llvm-svn: 176294
2013-02-28 20:04:32 +00:00
4685069152
[ELF][tests] changes for test cases
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llvm-svn: 176280
2013-02-28 18:38:20 +00:00
d4ac74ffcc
[lld][ELF] Order segments
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llvm-svn: 176207
2013-02-27 20:24:47 +00:00
2e41976893
[test] Don't start elf-dump until lld-core is done writing the output.
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llvm-svn: 176205
2013-02-27 20:01:43 +00:00
f10c0a3aa0
[ELF][Writer] Fill in dynamic table entries.
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llvm-svn: 176045
2013-02-25 20:03:09 +00:00
596b40871a
[ELF][Hexagon] add _SDA_BASE_(absolute symbol pointing to start of quickdata)
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llvm-svn: 175997
2013-02-24 16:02:24 +00:00
db74ffbe72
[ELF][Hexagon]add typeZeroFillFast
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llvm-svn: 175983
2013-02-24 03:09:10 +00:00
3407211b2f
[ELF][Writer] Add hash table.
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llvm-svn: 175972
2013-02-23 19:46:18 +00:00
13db19d64e
[ELF][Writer] Add a PHDR program table entry for dynamic files.
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llvm-svn: 175951
2013-02-23 03:58:06 +00:00
942dbcc209
[ELF][Writer] Add dynamic string and symbol table.
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llvm-svn: 175941
2013-02-23 01:02:31 +00:00
8c55c01d2a
sort quickdata for the hexagon target
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llvm-svn: 175904
2013-02-22 18:01:08 +00:00
873c9ffba0
add changes for typeDataFast
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llvm-svn: 175901
2013-02-22 17:18:53 +00:00
e4c0e3712f
[ELF][Writer] Add .interp section.
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llvm-svn: 175657
2013-02-20 20:13:47 +00:00
b71ce655a8
[ELF][Writer] Add dynamic table.
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llvm-svn: 175654
2013-02-20 19:46:12 +00:00
25832ede03
functionality to handle global atoms in Merge sections
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llvm-svn: 175636
2013-02-20 17:38:37 +00:00
be03e2a861
[Core,Driver,ELF] Differentiate static and dynamic executables.
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This also adds a simple relocation change for dynamic executables to
x86-64 ELF.
llvm-svn: 175208
2013-02-14 20:32:00 +00:00
96d594b14e
add merge strings option, this temporarily fixes the problem bringing up helloworld with glibc on x86_64
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llvm-svn: 175038
2013-02-13 06:12:52 +00:00
0da6d71b54
add support for merging common strings
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llvm-svn: 174990
2013-02-12 18:46:53 +00:00
c3c8bc1e5c
[ELF] Add support for reading dynamic libraries.
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llvm-svn: 174916
2013-02-11 23:03:35 +00:00
710b4c8fa2
fix segment ordering of elf segments
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llvm-svn: 174659
2013-02-07 20:33:55 +00:00
34ab70f1e6
add changes for layoutafter/layoutbefore/ingroup/layoutpass and test cases
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llvm-svn: 174658
2013-02-07 20:16:12 +00:00
7799d15f6e
[Driver] Add -L and -l support.
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llvm-svn: 174590
2013-02-07 06:47:17 +00:00
7a0e212f6f
[ELF][x86-64] Handle PLT32 relocations to IFUNC.
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llvm-svn: 174428
2013-02-05 19:15:03 +00:00
359b6ff6bb
[ELF] Implement GOTPCREL for defined atoms.
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llvm-svn: 174426
2013-02-05 19:14:28 +00:00
e6ab9f80a7
[ELF] Replace local dynamic tls access with direct access.
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llvm-svn: 174425
2013-02-05 19:14:07 +00:00
d476528e3d
add alignment to .got/.got.plt/.plt sections & fix tests
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llvm-svn: 174199
2013-02-01 18:03:32 +00:00
08b49bf27e
[ELF][x86-64] Fix ifunc and add test.
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In an previous commit I managed to completely disable the IRELATIVE relocation
writing code. I also used the wrong addend for the static relocation. Fix both
these issues and add a test. This test is quite brittle because there's no way
to do arithmetic on variables in FileCheck.
llvm-svn: 174161
2013-02-01 09:14:21 +00:00
b5d6f5e988
[ELF][x86-64] Implement static relocation model for TLS.
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This implements the static relocation model for GOT accesses to TLS.
llvm-svn: 174155
2013-02-01 07:14:14 +00:00
b0ed8e80d8
[ELF][x86-84] Add static TLS support.
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llvm-svn: 174154
2013-02-01 07:13:49 +00:00
289dcedea5
[ELF] Add support for IFUNC.
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This sadly doesn't have a test for the final
output because llvm-objdump can't dump relocations
that don't belong to a section :(
llvm-svn: 173808
2013-01-29 16:38:03 +00:00
d269a3e281
[ELF] Use correct regex in test.
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llvm-svn: 173665
2013-01-28 06:11:39 +00:00
990ec2b223
[ELF] Use entry point from LinkerOptions.
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Patch by Ahmed Bougacha!
llvm-svn: 173655
2013-01-28 04:15:44 +00:00
5ba1a96a10
[ELF][x86-64] Add relocation string<->kind.
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llvm-svn: 173533
2013-01-25 23:48:58 +00:00
866e0f8a8c
[ELF][X86-64] Use the correct base address.
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llvm-svn: 173527
2013-01-25 23:23:24 +00:00
563d33a6f1
[ELF] Read IFUNC symbols correctly as typeResolver.
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llvm-svn: 173299
2013-01-23 22:08:46 +00:00
64afcb4c6b
Move everything over to TargetInfo.
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I really would have liked to split this patch up, but it would greatly
complicate the lld-core and lld drivers having to deal with both
{Reader,Writer}Option and TargetInfo.
llvm-svn: 173217
2013-01-23 01:18:43 +00:00
fe71a50494
Trailing whitespace.
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llvm-svn: 172554
2013-01-15 21:13:14 +00:00
8b3898af26
[ELF] Never allocate content to weak symbols as they may be merged away.
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This is done by creating a new non-weak anonymous symbol and creating
an atom with content for that symbol. This is added after the weak symbol
so that they have the same address.
llvm-svn: 172553
2013-01-15 21:13:02 +00:00
ecd5f4062f
[ELF] Add support for __init_array_{start,end}.
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With this change c++ global constructors and destructors work.
llvm-svn: 172133
2013-01-10 22:41:42 +00:00
36b9b8f945
[ELF] Fix leading 0 count. Matches change in llvm.
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llvm-svn: 172132
2013-01-10 22:41:19 +00:00
2ca8e7d733
support for adding linker defined symbols
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llvm-svn: 172040
2013-01-10 03:16:27 +00:00
cf2306fe2b
Fix the elf/rodata.objtext test to work when first run.
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llvm-svn: 171992
2013-01-09 20:10:30 +00:00
8a3052eab0
Rename YAML key 'fixups:' to 'references:'
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llvm-svn: 171898
2013-01-08 21:12:13 +00:00
809b9955e8
Fix to work with style of new YAML writer
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llvm-svn: 171897
2013-01-08 21:05:47 +00:00
8de8364753
[ELF] Properly handle constant data.
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With this hello world works with dietlibc on x86-64 Linux.
llvm-svn: 171711
2013-01-07 08:00:42 +00:00
1ac382f0c5
[ELF] Emit the file header and program headers at the beginning of the first segment.
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This is required for the loader to correctly set AT_PHDR.
With this lld can correctly link against dietlibc and get to main.
llvm-svn: 171709
2013-01-07 08:00:04 +00:00
28c6594c71
[ELF] Emit zeroFill as STT_OBJECT in the final executable. ld does this.
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llvm-svn: 171704
2013-01-07 07:05:52 +00:00
cdb892488e
[ELF] Add common x86_64 relocation types.
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llvm-svn: 171703
2013-01-07 06:58:53 +00:00
0c3f25ead9
[Driver] x86-64 should use ELF 64.
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llvm-svn: 171693
2013-01-07 04:51:32 +00:00
6b079f5e2f
Removes files for separate ReaderYAML.cpp and WriterYAML.cpp
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and adds a new file ReaderWriterYAML.cpp that uses YAML I/O.
Lots of tweaks to test suite for slightly different YAML encoding.
llvm-svn: 171592
2013-01-05 02:22:35 +00:00
3124422a8b
[ELF] Add skeleton for X86-64 relocations.
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llvm-svn: 171578
2013-01-05 00:47:04 +00:00
495d38bf46
add Changes to ELF Writer to layout sections/segments in the output executable
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llvm-svn: 171135
2012-12-27 02:26:30 +00:00
bbf9ddda04
changes for the ELF Reader : split up into AtomsELF.h/Adding new permissions permRWX
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llvm-svn: 171127
2012-12-27 01:40:08 +00:00
736f7fbee2
Populate entry point into ELF executable.
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llvm-svn: 168461
2012-11-21 21:07:36 +00:00
87dbac00a9
Add program header emission to ELF writer. This patch also rearranges sections for efficient memory utilization
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llvm-svn: 167874
2012-11-13 21:34:45 +00:00
70b4dcfbcd
Adding support to resolve symbols with archive libraries in lld
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llvm-svn: 167854
2012-11-13 18:39:10 +00:00
823e8bb7be
This patch changes the following:
...
* Use conventional naming for KindHandlers.
* Add X86 relocation routines.
* Use std::function instead of function pointers in _fixupHandler map.
* Change _fixupHandler map from std::map to llvm::DenseMap.
* Add simple testcase for x86 relocations.
llvm-svn: 166700
2012-10-25 17:53:04 +00:00
2a59024ff8
This update does the following:
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* Moves enum Scope from DefinedAtom.h to Atom.h
* Adds scope method to AbsoluteAtom class
* Updates YAML to print scope of AbsoluteAtoms
* Update Native Reader/Writer to handle this new, "attribute"
* Adds testcase
Reviewed and approved by Nick Kledzik
llvm-svn: 166189
2012-10-18 17:16:19 +00:00
42064e5b60
* Add relocation reference support for Hexagon and PowerPC.
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- Hexagon has many relocation types, this patch covers just
a subset, more will be added.
- PowerPC support was added so that we can verify mixed endian
environments.
* Add some basic test cases
* Update ldd-core to accept -endian flag
llvm-svn: 165477
2012-10-09 02:20:47 +00:00
8bd276120f
Added missing break in StockSectionChunk constructor.
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Removed architecture dependent .sbss section creation.
Updated test case to show the change in section types and removal of a sbss section.
llvm-svn: 165181
2012-10-03 23:27:33 +00:00
05c82a42dd
* Return correct size and alignment for common symbols.
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llvm-svn: 165170
2012-10-03 21:46:48 +00:00
cc613e1c25
Changed test output comparison to be consistent with the way llvm-objdump and llvm-readobj work.
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llvm-svn: 165048
2012-10-02 21:12:21 +00:00
08e410293f
Emit symbol tables.
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Reorganize to derive all sections from SectionChunk.
Construct section table header from SectionChunk.
llvm-svn: 164981
2012-10-01 23:53:20 +00:00
e861d43f65
This change:
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* Updates ReaderELF.cpp contentType method to match ELF.h's logic and now handle
typeData
* Add -arch to ldd-core testdriver
* Add testcase to check typeData
* Update others to stay in sync with this change.
llvm-svn: 164976
2012-10-01 23:23:05 +00:00
8caf4de31f
Add ELFReference class - parse relocations needed by that class and update DefinedAtom to use the class. Tweak coding style. Add testcase to check relocations. Change was signed-off-by: Michael Spencer
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llvm-svn: 164027
2012-09-17 12:49:38 +00:00
927bbc2871
ELF support for LLD writer. The writer at present emits ELF header and section
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table header. Skeleton code for ReferenceKinds.
Credits:
Doxygen by Michael Spencer.
Origianl implementation from Macho by Sidney Manning.
Templatization, implementation of section header chunks, string table, ELF header by Hemant Kulkarni.
llvm-svn: 163906
2012-09-14 16:11:34 +00:00
51b1cc1428
Add test cases for ReaderELF.
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llvm-svn: 160737
2012-07-25 17:14:55 +00:00
Shankar Easwaran