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38 Commits

Author SHA1 Message Date
Sid Manning 42064e5b60 * Add relocation reference support for Hexagon and PowerPC. 
- 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
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
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
Nick Kledzik 7243b89459 PR13467: Fix mach-o writer to handle case of zero stubs. Renumber TestingHelpers kind values 
llvm-svn: 160982
 2012-07-30 20:10:46 +00:00
Sid Manning 556d84fe03 Add a new option, -reader which will select formats other than YAML for 
reading.  YAML is still the default.

llvm-svn: 160736
 2012-07-25 17:13:13 +00:00
Nick Kledzik 686eec102c Add missing LLVMSupport 
llvm-svn: 159702
 2012-07-04 02:16:35 +00:00
Michael J. Spencer e1db0daf25 Fix CMake build to use target_link_libraries. Patch by Sidney Manning! 
llvm-svn: 159165
 2012-06-25 21:42:38 +00:00
Michael J. Spencer 26f5a62712 Fix link order. Patch by Sidney Manning. 
llvm-svn: 158945
 2012-06-21 22:42:00 +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
Michael J. Spencer 60d835fa59 Add COFF reader. 
There are no tests for this yet because I still need to finish the
YAML -> COFF converter so we don't get binary files checked in.

llvm-svn: 156100
 2012-05-03 20:52:22 +00:00
Michael J. Spencer 729e234828 Add some docs on the type of flags link.exe has that our driver will need to support. 
llvm-svn: 155861
 2012-04-30 23:45:49 +00:00
Michael J. Spencer d0d5ec4a38 Convert the YAMLReader to use LLVM/Support/YAMLParser. 
llvm-svn: 155847
 2012-04-30 21:20:13 +00:00
Nick Kledzik 20e652d627 Add way to represent static archives in yaml test cases. 
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 
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 467209b1d4 Remove definedAtomsBegin() and co. so that C++11 range based for loops can be used 
llvm-svn: 154302
 2012-04-09 00:58:21 +00:00
Nick Kledzik 062a98cff0 Rename referencesBegin() to begin() so that C++11 range based for loops can be used 
llvm-svn: 154301
 2012-04-08 23:52:13 +00:00
Michael J. Spencer d73a53f158 [docs] Add more open projects. 
llvm-svn: 154277
 2012-04-08 03:47:49 +00:00
Nick Kledzik b334be1ed2 First implementation of Darwin Platform. It is rich enough to generate 
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
Michael J. Spencer e6203a57b5 Steal LLVM.h from Clang. This brings in very commonly used LLVM ADT/Support 
types into the lld namespace.

llvm-svn: 153963
 2012-04-03 18:39:40 +00:00
Michael J. Spencer c9d2506a76 Replace all uses of NULL with nullptr. 
llvm-svn: 153677
 2012-03-29 19:39:14 +00:00
Michael J. Spencer d58cf03cff llvm::OwningPtr -> std::unique_ptr. 
llvm-svn: 153620
 2012-03-29 00:49:50 +00:00
Michael J. Spencer 8700f80d8d Rearange headers in lld-core. 
llvm-svn: 153619
 2012-03-29 00:49:30 +00:00
Michael J. Spencer 42f2c5a2e6 Add ArrayRef header. Patch by Marshall Clow. 
llvm-svn: 153618
 2012-03-29 00:49:19 +00:00
Michael J. Spencer 87c2994e24 Move Platform.h to Core as Core depends on Platform.h, and the Platform 
library depends on Core. This breaks that cycle.

llvm-svn: 153589
 2012-03-28 18:49:17 +00:00
Nick Kledzik f4e2c73fa7 Add Pass to instantiate GOT entries 
llvm-svn: 152874
 2012-03-15 23:36:24 +00:00
Michael J. Spencer 166b090a46 Audit uses of StringRef::getAsInteger. 
llvm-svn: 152565
 2012-03-12 18:13:36 +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 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 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 8526e64bef Add pretty stack tracing and llvm_shutdown. 
llvm-svn: 149428
 2012-01-31 21:46:17 +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 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 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