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285 Commits

Author SHA1 Message Date
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 4586fbcbad [Core] Move Resolver and SymbolTable over to TargetInfo. 
No functionality change.

llvm-svn: 173192
 2013-01-22 20:49:42 +00:00
Shankar Easwaran 58ad41b563 change enum class to enum, as g++ doesnot support bitfields with enumerated classes with c++11 flag set 
llvm-svn: 173166
 2013-01-22 14:58:51 +00:00
Shankar Easwaran c7176430dc it looks like g++ 4.7.2 doesnot like bit fields when the type is a enumeration (Throws an error as bit-field with non integral type) 
llvm-svn: 173125
 2013-01-22 04:12:03 +00:00
Michael J. Spencer d68d6196af Add {,ELF,MachO}TargetInfo. 
llvm-svn: 173117
 2013-01-22 02:15:30 +00:00
Shankar Easwaran 6d9921fc53 no functionality changes(split WriterELF into multiple files) 
llvm-svn: 173082
 2013-01-21 20:09:55 +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 359e09d4f5 [docs] Document lld's usage of C++11 features. 
llvm-svn: 172972
 2013-01-20 10:39:17 +00:00
Chandler Carruth b5f3bd956c Replace the 'final' keyword with 'LLVM_FINAL' as GCC 4.6 doesn't support 
the keyword.

If anyone cares deeply about the final optimizations with GCC, we might
want to add a version test to the LLVM definition, but I'm perfectly
happy with this just only firing under Clang and modern MSVC builds.

llvm-svn: 172898
 2013-01-19 09:57:51 +00:00
Chandler Carruth 8b95c03fca Allow the LLD CMake build to work with -std=gnu++0x and -std=gnu++11 as 
well as c++0x and c++11. This can be especially useful when building
with GCC in C++11 mode.

llvm-svn: 172897
 2013-01-19 09:41:42 +00:00
Chandler Carruth 058761266d Fix the build with libstdc++ v4.6 on Linux by supplying an explicit move 
assignment operator. There is an issue where classes with deleted copy
constructors and user defined move constructors end up with an
implicitly deleted copy constructor that is selected instead of the
implicit move constructor. This is a bit of a hack, but it allows me to
build LLD in a bootstrap with libstdc++ which is my primary goal.

llvm-svn: 172896
 2013-01-19 09:38:14 +00:00
Michael J. Spencer a17b72e7cf [Core] Fix passing an rvalue reference of ErrorOr. 
llvm-svn: 172850
 2013-01-18 21:42:01 +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 fe71a50494 Trailing whitespace. 
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. 
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 bb78a04088 [ELF] Replace [...] x_{begin,end}() with range<[...]> x(). 
llvm-svn: 172513
 2013-01-15 06:55:37 +00:00
Michael J. Spencer aa3aa570dc [Core] Add iterator ranges. 
This is based on code by Jeffrey Yasskin. It has been modified to compile
with MSVC and reformated to LLVM style.

llvm-svn: 172512
 2013-01-15 06:55:25 +00:00
Michael J. Spencer 7fe77f8c61 [ELF] Fix use of LLVM RTTI. 
llvm-svn: 172511
 2013-01-15 06:55:11 +00:00
Shankar Easwaran f6dc082f91 remove const from FindByName 
llvm-svn: 172507
 2013-01-15 03:02:33 +00:00
Michael J. Spencer ed1950719b [docs] Add driver documentation. 
This gives an overview of the driver and explains how to add options and driver flavors.

llvm-svn: 172502
 2013-01-15 02:00:59 +00:00
Michael J. Spencer 31dffbb659 [docs] Update status. 
llvm-svn: 172501
 2013-01-15 02:00:48 +00:00
Nick Kledzik 233f537799 Add new merge-by-content Merge attribute for use by anonymous 
constants and string literals which the linker should coalesce.

llvm-svn: 172495
 2013-01-15 00:17:57 +00:00
Nick Kledzik 343ecbd6ba Fix shadowed variable warning 
llvm-svn: 172482
 2013-01-14 22:10:22 +00:00
Michael J. Spencer ca20ffbab2 [test] Fix tests on Windows. 
llvm-svn: 172339
 2013-01-13 01:09:51 +00:00
Michael J. Spencer 74ba722be1 [YAML] Fix undefined behavior. 
llvm-svn: 172338
 2013-01-13 01:09:39 +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 3756852d62 [ELF] Fix comment. 
llvm-svn: 172266
 2013-01-11 22:39:56 +00:00
Michael J. Spencer 4ffbd608cd [ELF] Add AtomLayout instead of using pair<Atom, pair<uint64_t, uint64_t>>. 
llvm-svn: 172265
 2013-01-11 22:39:44 +00:00
Michael J. Spencer 2a5763cd86 [ELF] Use the correct cast. 
llvm-svn: 172264
 2013-01-11 22:39:31 +00:00
Michael J. Spencer bbe4b9812b [ELF] Simplify assert. 
llvm-svn: 172255
 2013-01-11 21:38:36 +00:00
Shankar Easwaran b1d09c07f1 better implementation for findOutputSection 
llvm-svn: 172236
 2013-01-11 18:56:11 +00:00
Shankar Easwaran 7381db059a add noinhibit exec option 
llvm-svn: 172204
 2013-01-11 15:11:47 +00:00
Shankar Easwaran d127d8169a add hexagon target to lld 
llvm-svn: 172202
 2013-01-11 15:01:04 +00:00
Michael J. Spencer ecd5f4062f [ELF] Add support for __init_array_{start,end}. 
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. 
llvm-svn: 172132
 2013-01-10 22:41:19 +00:00
Michael J. Spencer aa8a5a2ab2 [ELF] Fixed -Wunused in -asserts mode. 
llvm-svn: 172131
 2013-01-10 22:41:05 +00:00
Shankar Easwaran 37c528259a style changes 
llvm-svn: 172080
 2013-01-10 18:16:10 +00:00
Shankar Easwaran 2ca8e7d733 support for adding linker defined symbols 
llvm-svn: 172040
 2013-01-10 03:16:27 +00:00
Michael J. Spencer ad5f00ea2d [Archive] Use a hash map to lookup symbols in archives. Increases performance of linking lua by ~6x. 
llvm-svn: 172028
 2013-01-10 01:27:45 +00:00
Michael J. Spencer 41d9dc56d3 Style fixes. 
llvm-svn: 171997
 2013-01-09 20:39:07 +00:00
Michael J. Spencer cf2306fe2b Fix the elf/rodata.objtext test to work when first run. 
llvm-svn: 171992
 2013-01-09 20:10:30 +00:00
Nick Kledzik cc3d2dca60 Better tie together ContentType and Permissions. 
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 bd49198409 add extra namespace for gcc-4.7 compatibility 
llvm-svn: 171918
 2013-01-08 23:51:03 +00:00
Nick Kledzik 80fe907903 fix typo 
llvm-svn: 171916
 2013-01-08 23:43:11 +00:00
Michael J. Spencer 6047163a24 [lld] Add support for -mllvm. 
There is no way to test this at the moment because the options are not
processed until the link starts, and we can't pass an empty file.

llvm-svn: 171910
 2013-01-08 22:59:27 +00:00
Michael J. Spencer 79fafccb5e [Driver] Fix indentation. 
llvm-svn: 171909
 2013-01-08 22:59:01 +00:00
Nick Kledzik 8a3052eab0 Rename YAML key 'fixups:' to 'references:' 
llvm-svn: 171898
 2013-01-08 21:12:13 +00:00
Nick Kledzik 809b9955e8 Fix to work with style of new YAML writer 
llvm-svn: 171897
 2013-01-08 21:05:47 +00:00
Michael J. Spencer d2a4ccf8f9 [ELF] Add R_X86_64_64 relocation. 
llvm-svn: 171836
 2013-01-08 02:12:15 +00:00
Michael J. Spencer 8f80cd92d9 [lld] Add and ignore some flags for ld compat. 
llvm-svn: 171835
 2013-01-08 02:12:01 +00:00
Michael J. Spencer 8de8364753 [ELF] Properly handle constant data. 
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 956b03618c [lld] Add -emit-yaml option. This outputs yaml instead of a binary. 
llvm-svn: 171710
 2013-01-07 08:00:25 +00:00
Michael J. Spencer 1ac382f0c5 [ELF] Emit the file header and program headers at the beginning of the first segment. 
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 00b702c95c [ELF] Change Segment to hold Chunks instead of Sections. No functionality change. 
llvm-svn: 171708
 2013-01-07 07:59:46 +00:00
Michael J. Spencer c8a12cce98 [ELF] Remove dead variable. 
llvm-svn: 171707
 2013-01-07 07:59:34 +00:00
Michael J. Spencer 28c6594c71 [ELF] Emit zeroFill as STT_OBJECT in the final executable. ld does this. 
llvm-svn: 171704
 2013-01-07 07:05:52 +00:00
Michael J. Spencer cdb892488e [ELF] Add common x86_64 relocation types. 
llvm-svn: 171703
 2013-01-07 06:58:53 +00:00
Michael J. Spencer 0c3f25ead9 [Driver] x86-64 should use ELF 64. 
llvm-svn: 171693
 2013-01-07 04:51:32 +00:00
Michael J. Spencer c41d48fdee [ELF] Give a slightly better message for unknown relocation types. 
llvm-svn: 171692
 2013-01-07 04:51:17 +00:00
Michael J. Spencer fd3981d6db [ELF] Update to llvm change. 
llvm-svn: 171652
 2013-01-06 05:40:27 +00:00
Michael J. Spencer 00744bf495 [YAML] Fix -Wcovered-switch-default 
llvm-svn: 171645
 2013-01-06 00:45:22 +00:00
Michael J. Spencer c4048062e5 [CMake] Don't add flags this late and don't force libc++. Error if we know the compiler doesn't support c++11. 
llvm-svn: 171596
 2013-01-05 04:16:52 +00:00
Nick Kledzik 6b079f5e2f Removes files for separate ReaderYAML.cpp and WriterYAML.cpp 
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
Reid Kleckner e974bd1be9 Avoid MSVCRT assertion on comparing phdr iterators 
llvm-svn: 171591
 2013-01-05 02:21:42 +00:00
Michael J. Spencer 3a772ebbe4 [CMake] Add lld to the list of test dependencies. 
llvm-svn: 171580
 2013-01-05 00:51:04 +00:00
Michael J. Spencer 70d0e10c5f Target test fix. 
llvm-svn: 171579
 2013-01-05 00:47:15 +00:00
Michael J. Spencer 3124422a8b [ELF] Add skeleton for X86-64 relocations. 
llvm-svn: 171578
 2013-01-05 00:47:04 +00:00
Michael J. Spencer 18225e7be1 [Driver] Add -flavor core support. This will be tested by other tests using -flavor core. 
llvm-svn: 171577
 2013-01-05 00:46:45 +00:00
Michael J. Spencer 5adebbd6a6 [ELF][Writer] Don't infinite loop. 
This will be tested by a following committ that runs the linker
with no inputs.

llvm-svn: 171576
 2013-01-05 00:46:23 +00:00
Michael J. Spencer b14ac9b1fe Style 
llvm-svn: 171575
 2013-01-05 00:46:10 +00:00
Michael J. Spencer bc7f2a7359 [Driver] Add x86-64 target. 
llvm-svn: 171557
 2013-01-04 23:34:29 +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 552074f18e Style fixes. 
llvm-svn: 171531
 2013-01-04 21:18:34 +00:00
Michael J. Spencer b8c853e5eb [Passes][GOT] Fix style. 
llvm-svn: 171530
 2013-01-04 21:18:13 +00:00
Michael J. Spencer 85d998a109 [Driver] Error on undefined. 
llvm-svn: 171529
 2013-01-04 21:18:02 +00:00
Michael J. Spencer 7f693c50db Slightly better diagnostics on duplicate symbols. 
llvm-svn: 171528
 2013-01-04 21:17:51 +00:00
Michael J. Spencer a2c9727810 [ELF] Handle misaligned ELF files properly. 
llvm-svn: 171526
 2013-01-04 21:09:21 +00:00
Alex Rosenberg 59095f1cf9 Add .arcconfig for Phabricator command-line support 
llvm-svn: 171451
 2013-01-03 02:15:37 +00:00
NAKAMURA Takumi 43632a26a5 Update the copyright coredits -- Happy new year 2013! 
llvm-svn: 171342
 2013-01-01 10:00:19 +00:00
Shankar Easwaran 495d38bf46 add Changes to ELF Writer to layout sections/segments in the output executable 
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 
llvm-svn: 171127
 2012-12-27 01:40:08 +00:00
Shankar Easwaran b3cb257b8b changes to fix Hexagon Relocation so that it accounts for the bitmask properly as documented in the ABI 
llvm-svn: 171125
 2012-12-27 01:04:00 +00:00
Andy Gibbs d02bf1d232 Fix build issue when building lld against libstdc++ 4.7 
llvm-svn: 170983
 2012-12-22 09:46:10 +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
Michael J. Spencer 800de03813 [Core][ErrorOr] Add support for user error data. 
llvm-svn: 170483
 2012-12-19 00:51:07 +00:00
Michael J. Spencer db1450800a [CMake] Fix external llvm build. It needs to know where llvm-tblgen is. 
llvm-svn: 169794
 2012-12-10 23:52:34 +00:00
Michael J. Spencer 74f29afd58 [Driver] Add test. 
llvm-svn: 169721
 2012-12-10 02:53:10 +00:00
Michael J. Spencer 99b99d26bb [Driver] Properly handle -entry for X86 Linux. 
llvm-svn: 169718
 2012-12-09 23:56:37 +00:00
Michael J. Spencer 3825760550 [Driver] Add -### support for printing out the core command line. 
llvm-svn: 169717
 2012-12-09 23:56:26 +00:00
Michael J. Spencer 48ed572710 Remove left over debugging output. 
llvm-svn: 169716
 2012-12-09 23:56:03 +00:00
Michael J. Spencer c8b60a70be [Driver] Make the X86Linux target use X86 (not x64) and properly initalize WriterOptions. 
llvm-svn: 169715
 2012-12-09 23:55:52 +00:00
Michael J. Spencer 9ff4be240a Add the core architecture for the lld driver. 
This includes selecting which driver to emulate, option parsing, invocation
building, and running the link. This currently only supports a very basic
subset of ld for x86_64-linux.

lld -flavor ld obj.o -o obj

or symlink lld as (ld , link, ld64, core) to get the desired behavior without
-flavor.

llvm-svn: 169659
 2012-12-08 00:47:36 +00:00
Benjamin Kramer f7798e34c9 Add library dependencies to the lld cmake build. 
llvm-svn: 169306
 2012-12-04 21:09:04 +00:00
Hemant Kulkarni 736f7fbee2 Populate entry point into ELF executable. 
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 
llvm-svn: 167874
 2012-11-13 21:34:45 +00:00
Shankar Easwaran 85bb045106 changes after mspencer reviews in phabricator 
llvm-svn: 167871
 2012-11-13 20:34:55 +00:00