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13719 Commits

Author SHA1 Message Date
Hemant Kulkarni 08e410293f Emit symbol tables. 
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: 
* 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
Michael J. Spencer e2fb6c73f3 Fix -Wcovered-switch-default warning. 
llvm-svn: 164846
 2012-09-28 21:07:58 +00:00
Sid Manning d3a7e7e164 Add case for typeConstant in SectionChunk 
llvm-svn: 164732
 2012-09-26 22:46:17 +00:00
Sid Manning dd11020739 This patch makes use of recently added relocation reference data. The bulk 
of this is derived from the Mach-O writer.  Reviewed by: Nick Kledzik.
 * Adds loop to SectionChunk::write traverse references calling the
   writer's fixup handler, applyFixup.
 * Adds method, ELFWriter::buildAtomToAddressMap to that creates a
   mapping from an atom to its runtime address.
 * Adds method, ELFWriter::addressOfAtom to return the runtime address
   of the atom. 

llvm-svn: 164618
 2012-09-25 18:22:09 +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
Sid Manning 37e3120af8 Fix environment path problem 
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 
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
Hemant Kulkarni f6e2bc07eb Test commit 
llvm-svn: 163861
 2012-09-14 00:00:39 +00:00
Michael J. Spencer 69ed53ab5f Fix warnings. 
llvm-svn: 163573
 2012-09-10 23:46:58 +00:00
Michael J. Spencer 298f38ee68 Hook up lld-test to llvm check-all. Patch by Andy Gibbs! 
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 
llvm-svn: 160982
 2012-07-30 20:10:46 +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 ad58efd69a Add a default constructor/destructor for ReaderOptionsPECOFF 
llvm-svn: 160740
 2012-07-25 17:16:46 +00:00
Sid Manning 51b1cc1428 Add test cases for ReaderELF. 
llvm-svn: 160737
 2012-07-25 17:14:55 +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
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
Sid Manning d5c8fe3eea Trivial reformatting 
llvm-svn: 160730
 2012-07-25 15:16:02 +00:00
Marshall Clow 341f496538 Added description of Atom types from Nick's email 
llvm-svn: 160468
 2012-07-18 23:20:40 +00:00
Marshall Clow f33f0bbdcf Minor edits to match style guidelines. No functionality change 
llvm-svn: 160370
 2012-07-17 16:18:04 +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
Michael J. Spencer efcf099db5 Unused var warning. 
llvm-svn: 158944
 2012-06-21 22:41:46 +00:00
Nick Kledzik 920ceddf80 Fix Sphinx warning. Patch by Sean Silva 
llvm-svn: 158678
 2012-06-18 20:24:47 +00:00
Michael J. Spencer aedfa6a36b Fix MSVC compat. MSVC doesn't have bzero. 
Although the code is not valid to begin with. It is trying to do a raw memory
copy of a non standard-layout type. nameoffset is not guaranteed to directly
follow cmdsize.

This should be properly fixed.

llvm-svn: 158612
 2012-06-17 01:18:44 +00:00
Nick Kledzik 28854f56db Wordsmithing from patch from Sean Silva 
llvm-svn: 158584
 2012-06-16 00:52:17 +00:00
Nick Kledzik 7145cf6846 Add 'invalid' as a Reference Kind so that unknown/invalid kind strings can return that fact to the caller for use in constructing an error message, rather that triggering an assertion. 
llvm-svn: 158547
 2012-06-15 21:26:18 +00:00
Nick Kledzik 21f5d4d629 remove return statements after llvm_unreachable() as the compiler no longer warns abot missing return values 
llvm-svn: 158544
 2012-06-15 21:04:32 +00:00
Nick Kledzik 751eb3d2b3 use llvm_unreachable() instead of assert(0) for invalid enum values in switch statements 
llvm-svn: 158542
 2012-06-15 20:37:24 +00:00
Nick Kledzik d6a27324f9 Use ADT/StringSwitch 
llvm-svn: 158541
 2012-06-15 20:29:27 +00:00
Nick Kledzik c890ae41e2 flesh out mach-o Reference Kinds 
llvm-svn: 158375
 2012-06-12 23:01:30 +00:00
Nick Kledzik b47d6ca3a5 Wrote initial doc on how to create a Reader 
llvm-svn: 158374
 2012-06-12 22:43:35 +00:00
Nick Kledzik 40b68559e8 Move implementation of WriterOptionsMachO to its own file. Reduced redundant 
ivars in WriterOptionsMachO instead have its methods compute ivar interactions.
Refactor mach-o Reference Kinds and introduce abstract class KindHandler.
Split up StubAtoms.hpp by architecture.  Add support for 32-bit x86 stubs.

llvm-svn: 158336
 2012-06-11 22:53:15 +00:00
Nick Kledzik 5fb2e4dabe put the public function createReaderPECOFF() in the lld namespace and everything else in is own namespace 
llvm-svn: 158135
 2012-06-07 02:23:48 +00:00
Nick Kledzik 98211f6d19 fix warnings found after cranking up warnings 
llvm-svn: 158134
 2012-06-07 01:53:39 +00:00
Nick Kledzik 40b8655082 abstract load commands to that WriterMachO can write 64-bit and 32-bit mach-o files 
llvm-svn: 158133
 2012-06-07 01:45:39 +00:00
Michael J. Spencer 56d756dc33 Add missing include. 
llvm-svn: 157834
 2012-06-01 20:22:59 +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
Filipe Cabecinhas 6f970e8458 Remove some compilation warnings. 
llvm-svn: 157253
 2012-05-22 14:45:44 +00:00
Nick Kledzik a3c24f447f remove completed items 
llvm-svn: 156143
 2012-05-04 01:14:02 +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 440b26749c Address review comments from Roman Divacky. 
llvm-svn: 156130
 2012-05-03 23:36:39 +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
Michael J. Spencer 63d320064d Remove whitespace. 
llvm-svn: 155846
 2012-04-30 21:19:44 +00:00
Nick Kledzik f784817107 show how to specify alternate path to clang compiler 
llvm-svn: 155678
 2012-04-26 23:41:01 +00:00
Evandro Menezes f48d80161d Fix minor warnings and simplify code. 
llvm-svn: 155652
 2012-04-26 19:20:11 +00:00
Jay Foad 4d5e6cf906 Fix errors when building with GCC 4.6.1 -std=c++0x, which requires 
"friend class Foo;" instead of just friend Foo;".

llvm-svn: 155625
 2012-04-26 07:37:08 +00:00
Gabor Greif c52fc9e073 fix some typos and punctuation 
llvm-svn: 155588
 2012-04-25 21:09:37 +00:00
Michael J. Spencer aa53d680bb [docs] Minor spelling fix. Thanks Gabor! 
llvm-svn: 155581
 2012-04-25 19:59:06 +00:00
Michael J. Spencer 365f1ec246 [docs] Add getting started guide. 
llvm-svn: 155578
 2012-04-25 19:34:24 +00:00
Michael J. Spencer 87d6714a76 [docs] Update version number. I suggest that at some point we make the 
build system generate this file with the proper version.

llvm-svn: 155222
 2012-04-20 19:30:12 +00:00
Michael J. Spencer 34fbcb4cba MSVC fixes: 
* MSVC does not yet support initializer lists and uniform initialization.
* MSVC does not support flexible array members (And neither does C++).

The Mach-O writer test still fails with this, but it all compiles and
all other tests pass.

llvm-svn: 155215
 2012-04-20 18:35:18 +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
Daniel Dunbar 96f7aeeb67 [docs] Remove a dead link. 
llvm-svn: 154400
 2012-04-10 16:18:16 +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
Michael J. Spencer 00d9e87cac [docs] Add documentation todos. 
llvm-svn: 154276
 2012-04-08 02:06:15 +00:00
Michael J. Spencer d01c8fe7a5 [docs] Make the index page ReST based instead of html based. 
llvm-svn: 154275
 2012-04-08 02:06:04 +00:00
Michael J. Spencer f9bc125c5a [docs] Add open projects page that includes the TODO.txt files. 
llvm-svn: 154274
 2012-04-07 23:10:01 +00:00
Nick Kledzik 5a1528f49d Add to-do lists 
llvm-svn: 154246
 2012-04-07 01:54:17 +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
Daniel Dunbar e84f5ca2ea [docs] Note that 'make.bat' provides the same interface as the Makefile for 
Windows users.

llvm-svn: 154229
 2012-04-06 23:55:50 +00:00
Daniel Dunbar eaa88c8f71 [docs] Start a development guide, and write an introduction to Sphinx based 
documentation.

llvm-svn: 154228
 2012-04-06 23:47:34 +00:00
Michael J. Spencer 6f71434a3b [docs] Don't duplicate the intro and fix wording. 
llvm-svn: 154227
 2012-04-06 23:44:58 +00:00
Daniel Dunbar 1eafbaad32 [docs] Remove old HTML docs. 
llvm-svn: 154217
 2012-04-06 22:27:01 +00:00
Daniel Dunbar feee554e3b [docs] Test commit. 
llvm-svn: 154213
 2012-04-06 22:06:07 +00:00
Daniel Dunbar 462217eab3 docs: Add the standard LLVM favicon. 
llvm-svn: 154212
 2012-04-06 21:49:53 +00:00
Daniel Dunbar 5969411316 docs: Import existing www content into Sphinx. 
llvm-svn: 154207
 2012-04-06 21:02:24 +00:00
Daniel Dunbar 5fcd1034f0 docs: Sketch Sphinx based docs structure. 
- This uses the llvm-theme developed by Michael Spencer and the base structure
   (front-facing index page) I use for LNT.

llvm-svn: 154206
 2012-04-06 21:02:20 +00:00
Michael J. Spencer 765792d5d1 Remove trailing whitespace. 
llvm-svn: 153964
 2012-04-03 18:40:27 +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 b495562b5d Use the LLVM RTTI library. 
llvm-svn: 153912
 2012-04-02 23:56:36 +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 cfd029fd91 Rearange header order to match llvm style. This exposed some missing types. 
Also fix some Platform.h includes that somehow got missed last time.

llvm-svn: 153590
 2012-03-28 19:04:02 +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
Michael J. Spencer 510b6f28b2 Disable /Za on Windows. It breaks C++11 ;/. 
llvm-svn: 153588
 2012-03-28 18:48:47 +00:00
Michael J. Spencer a9a2572cca Test website auto-update. 
llvm-svn: 153102
 2012-03-20 18:22:49 +00:00
Nick Kledzik a144a1d736 Add more details about file formats. Fix whitespace. 
llvm-svn: 152939
 2012-03-16 20:03:05 +00:00
Nick Kledzik f4e2c73fa7 Add Pass to instantiate GOT entries 
llvm-svn: 152874
 2012-03-15 23:36:24 +00:00
Nick Kledzik 9bff918b9d fix typos 
llvm-svn: 152674
 2012-03-13 21:52:55 +00:00
Nick Kledzik b1e8a53e0b Added first round of documentation 
llvm-svn: 152591
 2012-03-13 00:10:27 +00:00
Michael J. Spencer 166b090a46 Audit uses of StringRef::getAsInteger. 
llvm-svn: 152565
 2012-03-12 18:13:36 +00:00
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