Michael J. Spencer
3407211b2f
[ELF][Writer] Add hash table.
...
llvm-svn: 175972
2013-02-23 19:46:18 +00:00
Michael J. Spencer
13db19d64e
[ELF][Writer] Add a PHDR program table entry for dynamic files.
...
llvm-svn: 175951
2013-02-23 03:58:06 +00:00
Michael J. Spencer
942dbcc209
[ELF][Writer] Add dynamic string and symbol table.
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llvm-svn: 175941
2013-02-23 01:02:31 +00:00
Shankar Easwaran
8c55c01d2a
sort quickdata for the hexagon target
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llvm-svn: 175904
2013-02-22 18:01:08 +00:00
Shankar Easwaran
873c9ffba0
add changes for typeDataFast
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llvm-svn: 175901
2013-02-22 17:18:53 +00:00
Michael J. Spencer
e4c0e3712f
[ELF][Writer] Add .interp section.
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llvm-svn: 175657
2013-02-20 20:13:47 +00:00
Michael J. Spencer
b71ce655a8
[ELF][Writer] Add dynamic table.
...
llvm-svn: 175654
2013-02-20 19:46:12 +00:00
Shankar Easwaran
25832ede03
functionality to handle global atoms in Merge sections
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llvm-svn: 175636
2013-02-20 17:38:37 +00:00
Michael J. Spencer
be03e2a861
[Core,Driver,ELF] Differentiate static and dynamic executables.
...
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
Shankar Easwaran
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
Shankar Easwaran
0da6d71b54
add support for merging common strings
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llvm-svn: 174990
2013-02-12 18:46:53 +00:00
Michael J. Spencer
c3c8bc1e5c
[ELF] Add support for reading dynamic libraries.
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llvm-svn: 174916
2013-02-11 23:03:35 +00:00
Shankar Easwaran
710b4c8fa2
fix segment ordering of elf segments
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llvm-svn: 174659
2013-02-07 20:33:55 +00:00
Shankar Easwaran
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
Michael J. Spencer
7799d15f6e
[Driver] Add -L and -l support.
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llvm-svn: 174590
2013-02-07 06:47:17 +00:00
Michael J. Spencer
7a0e212f6f
[ELF][x86-64] Handle PLT32 relocations to IFUNC.
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llvm-svn: 174428
2013-02-05 19:15:03 +00:00
Michael J. Spencer
359b6ff6bb
[ELF] Implement GOTPCREL for defined atoms.
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llvm-svn: 174426
2013-02-05 19:14:28 +00:00
Michael J. Spencer
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
Shankar Easwaran
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
Michael J. Spencer
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
Michael J. Spencer
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
Michael J. Spencer
b0ed8e80d8
[ELF][x86-84] Add static TLS support.
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llvm-svn: 174154
2013-02-01 07:13:49 +00:00
Michael J. Spencer
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
Michael J. Spencer
d269a3e281
[ELF] Use correct regex in test.
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llvm-svn: 173665
2013-01-28 06:11:39 +00:00
Michael J. Spencer
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
Michael J. Spencer
5ba1a96a10
[ELF][x86-64] Add relocation string<->kind.
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llvm-svn: 173533
2013-01-25 23:48:58 +00:00
Michael J. Spencer
866e0f8a8c
[ELF][X86-64] Use the correct base address.
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llvm-svn: 173527
2013-01-25 23:23:24 +00:00
Nick Kledzik
36293f6512
Add SectionPosition and OrderPass
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llvm-svn: 173300
2013-01-23 22:32:56 +00:00
Michael J. Spencer
563d33a6f1
[ELF] Read IFUNC symbols correctly as typeResolver.
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llvm-svn: 173299
2013-01-23 22:08:46 +00:00
Michael J. Spencer
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
Michael J. Spencer
fe71a50494
Trailing whitespace.
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llvm-svn: 172554
2013-01-15 21:13:14 +00:00
Michael J. Spencer
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
Nick Kledzik
233f537799
Add new merge-by-content Merge attribute for use by anonymous
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constants and string literals which the linker should coalesce.
llvm-svn: 172495
2013-01-15 00:17:57 +00:00
Michael J. Spencer
ca20ffbab2
[test] Fix tests on Windows.
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llvm-svn: 172339
2013-01-13 01:09:51 +00:00
Shankar Easwaran
7381db059a
add noinhibit exec option
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llvm-svn: 172204
2013-01-11 15:11:47 +00:00
Michael J. Spencer
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
Michael J. Spencer
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
Shankar Easwaran
2ca8e7d733
support for adding linker defined symbols
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llvm-svn: 172040
2013-01-10 03:16:27 +00:00
Michael J. Spencer
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
Nick Kledzik
cc3d2dca60
Better tie together ContentType and Permissions.
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Since most content types (e.g. typeCode) have a
preferred Permission, add a function to do that mapping.
Then hook up to YAML Reader and Writer such that
the 'permissions:' key does not need to be specified unless
overriding what the content type prefers.
llvm-svn: 171929
2013-01-09 01:17:12 +00:00
Nick Kledzik
8a3052eab0
Rename YAML key 'fixups:' to 'references:'
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llvm-svn: 171898
2013-01-08 21:12:13 +00:00
Nick Kledzik
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
Michael J. Spencer
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
Michael J. Spencer
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
Michael J. Spencer
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
Michael J. Spencer
cdb892488e
[ELF] Add common x86_64 relocation types.
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llvm-svn: 171703
2013-01-07 06:58:53 +00:00
Michael J. Spencer
0c3f25ead9
[Driver] x86-64 should use ELF 64.
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llvm-svn: 171693
2013-01-07 04:51:32 +00:00
Nick Kledzik
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
Michael J. Spencer
3a772ebbe4
[CMake] Add lld to the list of test dependencies.
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llvm-svn: 171580
2013-01-05 00:51:04 +00:00
Michael J. Spencer
70d0e10c5f
Target test fix.
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llvm-svn: 171579
2013-01-05 00:47:15 +00:00
Michael J. Spencer
3124422a8b
[ELF] Add skeleton for X86-64 relocations.
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llvm-svn: 171578
2013-01-05 00:47:04 +00:00
Michael J. Spencer
bc7f2a7359
[Driver] Add x86-64 target.
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llvm-svn: 171557
2013-01-04 23:34:29 +00:00
Shankar Easwaran
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
Shankar Easwaran
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
Michael J. Spencer
74f29afd58
[Driver] Add test.
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llvm-svn: 169721
2012-12-10 02:53:10 +00:00
Hemant Kulkarni
736f7fbee2
Populate entry point into ELF executable.
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llvm-svn: 168461
2012-11-21 21:07:36 +00:00
Hemant Kulkarni
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
Shankar Easwaran
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
Hemant Kulkarni
f828613945
Add absolute symbol scope recognition in lld/Core
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llvm-svn: 167394
2012-11-05 19:13:54 +00:00
Sid Manning
823e8bb7be
This patch changes the following:
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* 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
Sid Manning
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
Sid Manning
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
Hemant Kulkarni
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
Sid Manning
05c82a42dd
* Return correct size and alignment for common symbols.
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llvm-svn: 165170
2012-10-03 21:46:48 +00:00
Hemant Kulkarni
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
Hemant Kulkarni
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
Sid Manning
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
Sid Manning
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
Sid Manning
37e3120af8
Fix environment path problem
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llvm-svn: 163929
2012-09-14 20:04:36 +00:00
Hemant Kulkarni
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
Michael J. Spencer
298f38ee68
Hook up lld-test to llvm check-all. Patch by Andy Gibbs!
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llvm-svn: 161067
2012-07-31 18:44:52 +00:00
Nick Kledzik
7243b89459
PR13467: Fix mach-o writer to handle case of zero stubs. Renumber TestingHelpers kind values
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llvm-svn: 160982
2012-07-30 20:10:46 +00:00
Sid Manning
51b1cc1428
Add test cases for ReaderELF.
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llvm-svn: 160737
2012-07-25 17:14:55 +00:00
Nick Kledzik
3011259a85
Rework how YAMLReader is layered on top of YAMLParser. Turn hand written
...
recursive descent functions into one table driven parser. Add proper
error recovery and reporting. Add lots of test cases with semantics errors
and verify error messages.
llvm-svn: 156136
2012-05-03 23:55:34 +00:00
Michael J. Spencer
d0d5ec4a38
Convert the YAMLReader to use LLVM/Support/YAMLParser.
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llvm-svn: 155847
2012-04-30 21:20:13 +00:00
Nick Kledzik
20e652d627
Add way to represent static archives in yaml test cases.
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Add SharedLibraryFile and ArchiveLibraryFile subclasses of File.
Add command line options to lld-core to set various ResolverOptions settings
and added lots of test cases to verify the options work.
llvm-svn: 155183
2012-04-20 01:24:37 +00:00
Nick Kledzik
bb963dfb7e
Factor out core linking options from Platform in a new ResolverOptions
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class. Change Resolver to no longer use Platform. Core linking
now issues errors directly. We need to factor that out later.
Rework how Darwin executable writer finds "main" atom. It now
adds to core linking an Atom which has a Reference to "main".
llvm-svn: 155060
2012-04-18 21:55:06 +00:00
Nick Kledzik
b334be1ed2
First implementation of Darwin Platform. It is rich enough to generate
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a hello world executable from atoms. There is still much to be flushed out.
Added one test case, test/darwin/hello-world.objtxt, which exercises the
darwin platform.
Added -platform option to lld-core tool to dynamically select platform.
llvm-svn: 154242
2012-04-07 01:31:00 +00:00
Nick Kledzik
f4e2c73fa7
Add Pass to instantiate GOT entries
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llvm-svn: 152874
2012-03-15 23:36:24 +00:00
Michael J. Spencer
e753cbc685
Fix MSVC incompatibilities.
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llvm-svn: 152389
2012-03-09 05:27:43 +00:00
Nick Kledzik
1a6615dc88
Sources now require C++11 to build.
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Add first linker pass (StubsPass) which looks for calls to shared library
symbols and replaces them with calls to a StubAtom. On ELF system, a "stub"
is a PLT entry. Added a simple test case.
Pass a Platform object to YAML reader and writer for converting fixup kinds
between names and values.
Change output of Resolver to be a File object instead of a vector of Atoms.
Thus, passes operate on a File instead of just Atoms.
Rework how to walk through a File's Atoms. Now iterator based instead of
a method that visits each atom.
llvm-svn: 152269
2012-03-08 00:18:30 +00:00
Nick Kledzik
6bc04c6904
Add support for SharedLibraryAtoms (proxy atoms for exported symbols from a
...
shared library) and AbsoluteAtoms (proxy atoms for absolute address (e.g. ROM)).
Redesign weak importing as can-be-null-at-runtime and can-be-null-at-build-time.
Add lots of test cases for all the above.
llvm-svn: 151204
2012-02-22 21:56:59 +00:00
Nick Kledzik
49d6cc8457
(no commit message)
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llvm-svn: 150539
2012-02-15 00:38:09 +00:00
Nick Kledzik
23384e84af
Add support for UndefinedAtom in yaml and native format. Add test cases with undefined atoms
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llvm-svn: 149962
2012-02-07 02:59:54 +00:00
Nick Kledzik
f4fb2c5ac8
A couple of big refactorings: 1) Move most attributes of Atom down to DefinedAtom, so only atoms representing definitions need to implement them. 2) Remove definitionTentative, definitionWeak, mergeDuplicates, and autoHide. Replace with merge and interposable attributes. 3) Make all methods on Atom be virtual so that future object file readers can lazily generated attributes
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llvm-svn: 147903
2012-01-11 01:06:19 +00:00
Nick Kledzik
bfedfc171d
add initial support for coalescing by content (c-strings) with test case
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llvm-svn: 147799
2012-01-09 20:18:15 +00:00
Nick Kledzik
7735a7d1a0
Support more Atom attributes. Add more test cases to lld-core
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llvm-svn: 147571
2012-01-04 23:58:17 +00:00
Nick Kledzik
38eec3d931
Add more merging/coalescing test cases and make core linking work for them
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llvm-svn: 147130
2011-12-22 02:38:01 +00:00
Michael J. Spencer
773a8fb6ab
Initial commit. Code by Nick Kledzik. Cleanups and build system by me.
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llvm-svn: 146844
2011-12-18 08:27:59 +00:00