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26 Commits

Author SHA1 Message Date
Shankar Easwaran
3256d4ff62 add elf targethandler 
llvm-svn: 173430
 2013-01-25 07:39:18 +00:00
Michael J. Spencer
64afcb4c6b Move everything over to TargetInfo. 
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
8af48f3864 [Core] Use LLVM's ErrorOr<T>. 
llvm-svn: 172993
 2013-01-20 21:27:05 +00:00
Michael J. Spencer
71c00f42bd [ELF] Use operator new(std::size_t, BumpPtrAllocator). 
llvm-svn: 172675
 2013-01-16 23:34:45 +00:00
Michael J. Spencer
84d3b01fb5 [ELF] clang-format ReaderELF.cpp 
llvm-svn: 172674
 2013-01-16 23:34:32 +00:00
Michael J. Spencer
8b3898af26 [ELF] Never allocate content to weak symbols as they may be merged away. 
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
Michael J. Spencer
842885e06e [ELF] Refactoring and style cleanup. No functionality change. 
llvm-svn: 172552
 2013-01-15 21:12:45 +00:00
Michael J. Spencer
b03f6c489a [ELF] Update for LLVM Object/ELF changes. 
llvm-svn: 172516
 2013-01-15 07:53:22 +00:00
Michael J. Spencer
57752dc56e Factor File::addAtom out to MutableFile::addAtom. 
This removes a bunch of llvm_unreachables and makes a File's mutability part of the type system.

llvm-svn: 172297
 2013-01-12 02:45:54 +00:00
Michael J. Spencer
65f6113d21 [ELF] STT_GNU_IFUNC is a known symbol type, so accept it. We do not yet implement its semantics. 
llvm-svn: 171533
 2013-01-04 21:25:25 +00:00
Michael J. Spencer
a2c9727810 [ELF] Handle misaligned ELF files properly. 
llvm-svn: 171526
 2013-01-04 21:09:21 +00:00
Shankar Easwaran
bbf9ddda04 changes for the ELF Reader : split up into AtomsELF.h/Adding new permissions permRWX 
llvm-svn: 171127
 2012-12-27 01:40:08 +00:00
Michael J. Spencer
8ac9150556 [ELF][Reader] Ignore SHF_GROUP when switching on flags. 
llvm-svn: 170624
 2012-12-20 00:37:24 +00:00
Michael J. Spencer
6344b322e2 Style fixes. 
llvm-svn: 170623
 2012-12-20 00:37:10 +00:00
Hemant Kulkarni
736f7fbee2 Populate entry point into ELF executable. 
llvm-svn: 168461
 2012-11-21 21:07:36 +00:00
Michael J. Spencer
a5d22811af Fix style violations. 
llvm-svn: 167869
 2012-11-13 19:58:58 +00:00
Shankar Easwaran
70b4dcfbcd Adding support to resolve symbols with archive libraries in lld 
llvm-svn: 167854
 2012-11-13 18:39:10 +00:00
Sid Manning
2a59024ff8 This update does the following: 
* 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
05c82a42dd * Return correct size and alignment for common symbols. 
llvm-svn: 165170
 2012-10-03 21:46:48 +00:00
Sid Manning
e861d43f65 This change: 
* 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 
llvm-svn: 164027
 2012-09-17 12:49:38 +00:00
Hemant Kulkarni
927bbc2871 ELF support for LLD writer. The writer at present emits ELF header and section 
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
69ed53ab5f Fix warnings. 
llvm-svn: 163573
 2012-09-10 23:46:58 +00:00
Sid Manning
429a4bc172 Fix warning from -Wshadow. Report errors back to caller rather than calling 
llvm::report_fatal_error.

llvm-svn: 160864
 2012-07-27 14:52:18 +00:00
Sid Manning
1a60141f99 Implement the ELF reader. The original implementation was by Hemant Kulkarni 
with subsequent changes to use lower level interfaces done by me.

llvm-svn: 160732
 2012-07-25 16:27:21 +00:00
Nick Kledzik
abb6981f68 Major refactoring: Remove Platform concept. In its place there are 
now Reader and Writer subclasses for each file format.  Each Reader and
Writer subclass defines an "options" class which controls how that Reader
or Writer operates.

llvm-svn: 157774
 2012-05-31 22:34:00 +00:00