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234 Commits

Author SHA1 Message Date
Rafael Espindola 4876c886fc Ignore --version-script. 
llvm-svn: 249149
 2015-10-02 16:20:39 +00:00
Ed Maste 2dab6c9bcc Allow -soname arg in addition to -soname=arg 
Differential Revision: http://reviews.llvm.org/D13387

llvm-svn: 249146
 2015-10-02 15:45:26 +00:00
Ed Maste 9c95ac2946 Ignore --enable-new-dtags and --no-fatal-warnings 
Found while testing a FreeBSD base system build with lld.  Ignored for
now while we continue to identify missing options and functionality.

llvm-svn: 249144
 2015-10-02 15:29:31 +00:00
Rafael Espindola fc96a263a1 Ignore options used during a clang build. 
llvm-svn: 249135
 2015-10-02 14:25:26 +00:00
Rafael Espindola 327b178dd6 Accept some options with both -- and -. 
This matches what both gold and bfd ld accept.

llvm-svn: 249134
 2015-10-02 14:21:24 +00:00
Michael J. Spencer b660b61954 [elf2] Ignore --{start,end}-group. 
llvm-svn: 249093
 2015-10-01 22:54:37 +00:00
Rafael Espindola 8f13bef575 Ignore --no-add-needed. 
llvm-svn: 249089
 2015-10-01 22:31:38 +00:00
George Rimar 57e40deb8d [ELF2] Implement --no-undefined flag. 
llvm-svn: 249064
 2015-10-01 20:14:45 +00:00
Rui Ueyama 7de3f3719a ELF2: Add -soname option. 
llvm-svn: 249058
 2015-10-01 19:36:04 +00:00
Igor Kudrin 2696bbeb93 [ELF2] Add --[no-]whole-archive command line switches 
Summary:
If --whole-archive is used, all symbols from the following archives are added to the output. --no-whole-archive restores default behavior. These switches can be used multiple times.

NB. We have to keep an ArchiveFile instance within SymbolTable even if --whole-archive mode is active since it can be a thin archive which contains just names of external files. In that case actual memory buffers for the archive members will be stored within the File member of ArchiveFile class.

Reviewers: rafael, ruiu

Subscribers: grimar, llvm-commits

Projects: #lld

Differential Revision: http://reviews.llvm.org/D13286

llvm-svn: 249045
 2015-10-01 18:02:21 +00:00
Rui Ueyama fd124db996 ELF2: Tidy up Options.td again. 
llvm-svn: 249038
 2015-10-01 17:33:38 +00:00
George Rimar ee05828261 [ELF2] Implement --allow-shlib-undefined as default behavior. 
We ignore --{no,}allow-shlib-undefined options and always allow undefined
symbols if we are building a DSO.

llvm-svn: 249036
 2015-10-01 17:24:24 +00:00
Igor Kudrin d912ee9595 [ELF2] Add -Bstatic and -Bdynamic command line switches 
Summary:
These switches affect library searching for '-l' which follow them. Synonym forms are also supported:
* -dy and -call_shared for -Bdynamic switch
* -dn, -non_shared and -static for -Bstatic switch 

Reviewers: rafael, ruiu

Subscribers: emaste, llvm-commits

Projects: #lld

Differential Revision: http://reviews.llvm.org/D13238

llvm-svn: 249029
 2015-10-01 16:42:03 +00:00
Rui Ueyama 1c8092c915 ELF2: Tidy up Options.td. 
Fix indentation and sort options alphabetically.

llvm-svn: 248969
 2015-10-01 00:33:02 +00:00
Rui Ueyama 5d8ef2cbd8 ELF2: Ignore some command line argument that clang passes to the linker. 
llvm-svn: 248967
 2015-10-01 00:24:54 +00:00
Rui Ueyama 9d4c6d771b [ELF2] Implemented --entry flag. 
Patch from George Rimar!

llvm-svn: 248806
 2015-09-29 16:40:13 +00:00
Rafael Espindola 4b2ca85c1a Implement --allow-multiple-definition. 
Patch by George Rimar!

llvm-svn: 248733
 2015-09-28 20:30:11 +00:00
Igor Kudrin 1309fc0378 [ELF2] Add --sysroot command line switch 
Reviewers: rafael, ruiu

Subscribers: llvm-commits

Projects: #lld

Differential Revision: http://reviews.llvm.org/D13209

llvm-svn: 248715
 2015-09-28 15:01:59 +00:00
Rafael Espindola abb7b28686 Add support for -L and -l command line switches. 
Patch by Igor Kudrin!

llvm-svn: 248708
 2015-09-28 12:52:21 +00:00
Rafael Espindola 551dfd8818 Implement --noinhibit-exec. 
Patch by George Rimar!

llvm-svn: 248605
 2015-09-25 19:24:57 +00:00
Davide Italiano bf37cdec28 [ELF2] Remove ignored options handling. 
This was prematurely committed (and I take the blame for that).
Ideally, we want to support only ignored options that are really used
by somebody. Some of the options listed are not even supported by gold
(but only by ld.bfd), which says a lot about their "real-world" usefulness.

llvm-svn: 248503
 2015-09-24 15:12:34 +00:00
Davide Italiano d75d3b94fd [ELF2] Add support for -discard-none. 
Differential Revision:	http://reviews.llvm.org/D13083

llvm-svn: 248499
 2015-09-24 15:08:23 +00:00
Davide Italiano aab93b59d4 [ELF2] - added ignored command line options for compatibility. 
Patch by George Grimar.

Differential Revision:	 http://reviews.llvm.org/D13097

llvm-svn: 248389
 2015-09-23 15:46:44 +00:00
Rafael Espindola 05a3dd2cba Implement --export-dynamic. 
llvm-svn: 248347
 2015-09-22 23:38:23 +00:00
Davide Italiano 1ab83f8d8e [ELF2] Accept -X/-x as alias for -discard-locals/-discard-all. 
llvm-svn: 248134
 2015-09-20 23:35:56 +00:00
Davide Italiano 5445b2de50 [ELF2] Implement support for -discard-locals. 
This is not on by default, but it may make sense to change it in future.

llvm-svn: 248133
 2015-09-20 21:58:12 +00:00
Davide Italiano 6d328d3841 [ELF2] Initial support for local symbols. 
Symbol table is now populated correctly, but some fields are missing,
they'll be added in the future. This patch also adds --discard-all
flag, which was the default behavior until now.

Differential Revision:   http://reviews.llvm.org/D12874

llvm-svn: 247849
 2015-09-16 20:45:57 +00:00
Rafael Espindola 4340aad144 Start adding support for creating shared libraries. 
They are not fully functional yet, but this implements enough support for lld
itself to read them.

With that, delete the .so binary we were using for tests and start eating our
own dog food.

llvm-svn: 247487
 2015-09-11 22:42:45 +00:00
Rafael Espindola 92b6c15cce Fix a copy and paste error. Sorry about that. 
llvm-svn: 247478
 2015-09-11 21:26:42 +00:00
Rafael Espindola 2e9eac13c7 Implement -rpath. 
llvm-svn: 247475
 2015-09-11 21:18:56 +00:00
Rafael Espindola 7010776db7 Implement the -dynamic-linker option. 
With this dynamic executables can be executed with just ./t instead of
/lib64/ld-2.20.so ./t

llvm-svn: 247446
 2015-09-11 18:49:42 +00:00
Michael J. Spencer 84487f1174 [ELF2] Add a new ELF linker based on the new PE/COFF linker. 
Differential Revision: http://reviews.llvm.org/D11188

llvm-svn: 243161
 2015-07-24 21:03:07 +00:00
Michael J. Spencer bae540e945 Revert ELF port. Posting to mailing list. 
llvm-svn: 242118
 2015-07-14 04:49:48 +00:00
Michael J. Spencer 8a4145411f Initial ELF port. 
This is a direct port of the new PE/COFF linker to ELF.

It can take a single object file and generate a valid executable that executes at the first byte in the text section.

llvm-svn: 242088
 2015-07-13 23:48:06 +00:00