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29 Commits

Author SHA1 Message Date
Michael J. Spencer e753cbc685 Fix MSVC incompatibilities. 
llvm-svn: 152389
 2012-03-09 05:27:43 +00:00
Michael J. Spencer b5ef4df359 StringRef is not null terminated. 
llvm-svn: 152388
 2012-03-09 05:27:20 +00:00
Michael J. Spencer 9f91f958b1 Use llvm/Support/DataTypes instead of stdint.h 
llvm-svn: 152387
 2012-03-09 05:27:11 +00:00
Michael J. Spencer 4ff3c79998 Use nullptr instead of NULL, and remove use of VLA. 
llvm-svn: 152386
 2012-03-09 05:26:55 +00:00
Benjamin Kramer 398ecd6200 Use the old -std=c++0x flag for compatibility with pre-2011 versions of GCC. 
llvm-svn: 152355
 2012-03-09 00:23:07 +00:00
Nick Kledzik 1a6615dc88 Sources now require C++11 to build. 
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 af18a2b29f use llvm::DenseMap instead of std::map 
llvm-svn: 150547
 2012-02-15 00:50:07 +00:00
Nick Kledzik 49d6cc8457 (no commit message) 
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 
llvm-svn: 149962
 2012-02-07 02:59:54 +00:00
Michael J. Spencer 7aba8957c1 Cleanup system_error extensions. 
llvm-svn: 149432
 2012-01-31 21:47:13 +00:00
Michael J. Spencer aa37613305 Don't delete the temp file until after we finish reading from it. 
llvm-svn: 149431
 2012-01-31 21:46:52 +00:00
Michael J. Spencer 8c36f458fa &vectorval[0] is UB when vectorval.size() == 0. 
llvm-svn: 149430
 2012-01-31 21:46:41 +00:00
Michael J. Spencer 4e45ebb92c Fix use after free. 
llvm-svn: 149429
 2012-01-31 21:46:29 +00:00
Michael J. Spencer 8526e64bef Add pretty stack tracing and llvm_shutdown. 
llvm-svn: 149428
 2012-01-31 21:46:17 +00:00
Michael J. Spencer 846fe662ba If cont.size() is 0, the expression &_contentPool[result] has undefined 
behaivior because it indexes past the end of _contentPool.

llvm-svn: 149427
 2012-01-31 21:46:05 +00:00
Michael J. Spencer b2bd733593 Flexible array members are not in C++03, and MSVC doesn't support them. 
llvm-svn: 149426
 2012-01-31 21:45:53 +00:00
Michael J. Spencer 73e3e3c7b9 NULL requires including cstddef. Just use 0. 
llvm-svn: 149425
 2012-01-31 21:45:26 +00:00
Nick Kledzik 55fd6beb00 First chunk of native object file reader/writer. The lld-core tool now reads YAML file, links, writes that out as native object format, then reads that native file, then writes the YAML to stdout. Thus the test suite tests both YAML reading/writing as well as native object file reading/writing. 
llvm-svn: 148256
 2012-01-16 22:03:44 +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 
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 
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 
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 
llvm-svn: 147130
 2011-12-22 02:38:01 +00:00
Nick Kledzik f46669c828 Cleaned up Atom attribues some more. Added lots of doxygen comments 
llvm-svn: 147105
 2011-12-21 23:29:36 +00:00
Nick Kledzik f96d0ade79 Refactor and comment Atom attributes. Replace combine() with internalName() and mergeDuplicates() 
llvm-svn: 146958
 2011-12-20 02:18:44 +00:00
Nick Kledzik 070e1a7643 add parseObjectTextFileOrSTDIN() utility 
llvm-svn: 146931
 2011-12-20 00:07:11 +00:00
Michael J. Spencer 773a8fb6ab Initial commit. Code by Nick Kledzik. Cleanups and build system by me. 
llvm-svn: 146844
 2011-12-18 08:27:59 +00:00
Michael J. Spencer a2a6e2f282 More renaming. 
llvm-svn: 146829
 2011-12-17 12:35:04 +00:00
Michael J. Spencer c7e7638ec2 Rename lold to lld :(. 
llvm-svn: 146828
 2011-12-17 12:27:19 +00:00