79 Commits

Author SHA1 Message Date
Rui Ueyama
c8a53795ab [PECOFF] Support linking against DLL.
This patch adds a new pass, IdataPass, to transform shared atom references
to real references and to construct the .idata section data. With this patch
lld can produce a working Hello World program by linking it against
kernel32.dll and user32.dll.

Reviewers: Bigcheese

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1096

llvm-svn: 186071
2013-07-11 08:46:21 +00:00
Rui Ueyama
7b7b0b9f7d Removed unnecessary "class" keyword.
llvm-svn: 184589
2013-06-21 19:59:15 +00:00
Rafael Espindola
c1b32686fe Factor duplicated yamlReader creation.
The yaml reader is not specific to any file format. This patch moves
it to TargetInfo and makes validate a non virtual interface so that it
can be constructed from a single location.

The same method will be used to create a reader for llvm bitcode
files.

llvm-svn: 183740
2013-06-11 12:36:05 +00:00
Michael J. Spencer
bd66d04f34 Instrument things.
llvm-svn: 182789
2013-05-28 18:55:39 +00:00
Rui Ueyama
90b3b92a8b [lld] Use range based for loop instead of explicit iterators (no functionality change)
llvm-svn: 181503
2013-05-09 04:00:44 +00:00
Rui Ueyama
60f5f30687 [lld] Add comments to InputFiles::searchLibraries() arguments.
llvm-svn: 181492
2013-05-08 23:54:10 +00:00
Nick Kledzik
80d8308b57 Use anonymous namespace for local classes. Patch by Rui Ueyama
llvm-svn: 181473
2013-05-08 21:34:11 +00:00
Michael J. Spencer
9d70cef481 [Core] Allow weak symbols in shared library when linking.
Patch by Rui Ueyama.

llvm-svn: 180209
2013-04-24 19:00:26 +00:00
Shankar Easwaran
eeee23e60a This adds functionality for undefined atoms from dynamic libraries to be added
to the list of undefined atoms. 

The processing of undefined atoms from dynamic libraries is controlled by
use-shlib-undefines command line option. 

This patch also adds additional command line arguments to allow/disallow
unresolved symbols from shared libraries and mimics GNU ld behavior.

llvm-svn: 179257
2013-04-11 02:56:30 +00:00
Michael J. Spencer
d4eb47c110 Add VTune as an optional external dependency and add task tracking.
llvm-svn: 178940
2013-04-06 00:56:40 +00:00
Michael J. Spencer
e6d5609de4 Revert "Correctly pass ownership of MemoryBuffers."
llvm-svn: 178918
2013-04-05 22:04:44 +00:00
Michael J. Spencer
ce1e53e19c Correctly pass ownership of MemoryBuffers.
llvm-svn: 178914
2013-04-05 21:08:30 +00:00
Michael J. Spencer
096ea03f31 Fix uninitialized variables. Found by ubsan.
llvm-svn: 178913
2013-04-05 21:07:44 +00:00
Nick Kledzik
c314b46e71 This is my Driver refactoring patch.
The major changes are:
1) LinkerOptions has been merged into TargetInfo
2) LinkerInvocation has been merged into Driver
3) Drivers no longer convert arguments into an intermediate (core) argument 
   list, but instead create a TargetInfo object and call setter methods on 
   it. This is only how in-process linking would work. That is, you can 
   programmatically set up a TargetInfo object which controls the linking.
4) Lots of tweaks to test suite to work with driver changes
5) Add the DarwinDriver
6) I heavily doxygen commented TargetInfo.h

Things to do after this patch is committed:
a) Consider renaming TargetInfo, given its new roll. 
b) Consider pulling the list of input files out of TargetInfo. This will 
   enable in-process clients to create one TargetInfo the re-use it with 
   different input file lists.
c) Work out a way for Drivers to format the warnings and error done in 
   core linking.

llvm-svn: 178776
2013-04-04 18:59:24 +00:00
Michael J. Spencer
67f25272f1 [SymbolTable][Perf] Use hash_combine instead of a custom hash, also use memcmp.
ArrayRef<uint8_t>::equals(); lowers to a byte compare loop :(.

TODO: Figure out if we are getting hash collisions, or just have a lot of equal
content. Also test if crypto hashing the content instead of full compare is
better.

llvm-svn: 177588
2013-03-20 22:18:22 +00:00
Shankar Easwaran
8962feb915 [lld] remove trailing whitespace
llvm-svn: 177079
2013-03-14 16:09:49 +00:00
Michael J. Spencer
a55e37f477 Add basic linker script parsing.
llvm-svn: 176309
2013-03-01 00:03:36 +00:00
Shankar Easwaran
db74ffbe72 [ELF][Hexagon]add typeZeroFillFast
llvm-svn: 175983
2013-02-24 03:09:10 +00:00
Shankar Easwaran
873c9ffba0 add changes for typeDataFast
llvm-svn: 175901
2013-02-22 17:18:53 +00:00
Michael J. Spencer
be1100e192 [Resolver] Improve undefined symbol error.
llvm-svn: 174277
2013-02-03 10:50:06 +00:00
Michael J. Spencer
280dadbbaf [Core] Only complain about undefined symbols if they are marked as canBeNullNever.
llvm-svn: 174107
2013-01-31 22:56:13 +00:00
Nick Kledzik
36293f6512 Add SectionPosition and OrderPass
llvm-svn: 173300
2013-01-23 22:32:56 +00:00
Michael J. Spencer
c0d3c4efe6 Add PassManager.
It owns and manages passes.

llvm-svn: 173287
2013-01-23 20:03:10 +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
Michael J. Spencer
d68d6196af Add {,ELF,MachO}TargetInfo.
llvm-svn: 173117
2013-01-22 02:15:30 +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
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
80fe907903 fix typo
llvm-svn: 171916
2013-01-08 23:43:11 +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
Michael J. Spencer
552074f18e Style fixes.
llvm-svn: 171531
2013-01-04 21:18:34 +00:00
Michael J. Spencer
7f693c50db Slightly better diagnostics on duplicate symbols.
llvm-svn: 171528
2013-01-04 21:17:51 +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
f828613945 Add absolute symbol scope recognition in lld/Core
llvm-svn: 167394
2012-11-05 19:13:54 +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
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
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
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
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
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