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94 Commits

Author SHA1 Message Date
Shankar Easwaran d4ac74ffcc [lld][ELF] Order segments 
llvm-svn: 176207
 2013-02-27 20:24:47 +00:00
Michael J. Spencer 2e41976893 [test] Don't start elf-dump until lld-core is done writing the output. 
llvm-svn: 176205
 2013-02-27 20:01:43 +00:00
Michael J. Spencer f10c0a3aa0 [ELF][Writer] Fill in dynamic table entries. 
llvm-svn: 176045
 2013-02-25 20:03:09 +00:00
Shankar Easwaran 596b40871a [ELF][Hexagon] add _SDA_BASE_(absolute symbol pointing to start of quickdata) 
llvm-svn: 175997
 2013-02-24 16:02:24 +00:00
Shankar Easwaran db74ffbe72 [ELF][Hexagon]add typeZeroFillFast 
llvm-svn: 175983
 2013-02-24 03:09:10 +00:00
Michael J. Spencer 3407211b2f [ELF][Writer] Add hash table. 
llvm-svn: 175972
 2013-02-23 19:46:18 +00:00
Michael J. Spencer 13db19d64e [ELF][Writer] Add a PHDR program table entry for dynamic files. 
llvm-svn: 175951
 2013-02-23 03:58:06 +00:00
Michael J. Spencer 942dbcc209 [ELF][Writer] Add dynamic string and symbol table. 
llvm-svn: 175941
 2013-02-23 01:02:31 +00:00
Shankar Easwaran 8c55c01d2a sort quickdata for the hexagon target 
llvm-svn: 175904
 2013-02-22 18:01:08 +00:00
Shankar Easwaran 873c9ffba0 add changes for typeDataFast 
llvm-svn: 175901
 2013-02-22 17:18:53 +00:00
Michael J. Spencer e4c0e3712f [ELF][Writer] Add .interp section. 
llvm-svn: 175657
 2013-02-20 20:13:47 +00:00
Michael J. Spencer b71ce655a8 [ELF][Writer] Add dynamic table. 
llvm-svn: 175654
 2013-02-20 19:46:12 +00:00
Shankar Easwaran 25832ede03 functionality to handle global atoms in Merge sections 
llvm-svn: 175636
 2013-02-20 17:38:37 +00:00
Michael J. Spencer be03e2a861 [Core,Driver,ELF] Differentiate static and dynamic executables. 
This also adds a simple relocation change for dynamic executables to
x86-64 ELF.

llvm-svn: 175208
 2013-02-14 20:32:00 +00:00
Shankar Easwaran 96d594b14e add merge strings option, this temporarily fixes the problem bringing up helloworld with glibc on x86_64 
llvm-svn: 175038
 2013-02-13 06:12:52 +00:00
Shankar Easwaran 0da6d71b54 add support for merging common strings 
llvm-svn: 174990
 2013-02-12 18:46:53 +00:00
Michael J. Spencer c3c8bc1e5c [ELF] Add support for reading dynamic libraries. 
llvm-svn: 174916
 2013-02-11 23:03:35 +00:00
Shankar Easwaran 710b4c8fa2 fix segment ordering of elf segments 
llvm-svn: 174659
 2013-02-07 20:33:55 +00:00
Shankar Easwaran 34ab70f1e6 add changes for layoutafter/layoutbefore/ingroup/layoutpass and test cases 
llvm-svn: 174658
 2013-02-07 20:16:12 +00:00
Michael J. Spencer 7799d15f6e [Driver] Add -L and -l support. 
llvm-svn: 174590
 2013-02-07 06:47:17 +00:00
Michael J. Spencer 7a0e212f6f [ELF][x86-64] Handle PLT32 relocations to IFUNC. 
llvm-svn: 174428
 2013-02-05 19:15:03 +00:00
Michael J. Spencer 359b6ff6bb [ELF] Implement GOTPCREL for defined atoms. 
llvm-svn: 174426
 2013-02-05 19:14:28 +00:00
Michael J. Spencer e6ab9f80a7 [ELF] Replace local dynamic tls access with direct access. 
llvm-svn: 174425
 2013-02-05 19:14:07 +00:00
Shankar Easwaran d476528e3d add alignment to .got/.got.plt/.plt sections & fix tests 
llvm-svn: 174199
 2013-02-01 18:03:32 +00:00
Michael J. Spencer 08b49bf27e [ELF][x86-64] Fix ifunc and add test. 
In an previous commit I managed to completely disable the IRELATIVE relocation
writing code. I also used the wrong addend for the static relocation. Fix both
these issues and add a test. This test is quite brittle because there's no way
to do arithmetic on variables in FileCheck.

llvm-svn: 174161
 2013-02-01 09:14:21 +00:00
Michael J. Spencer b5d6f5e988 [ELF][x86-64] Implement static relocation model for TLS. 
This implements the static relocation model for GOT accesses to TLS.

llvm-svn: 174155
 2013-02-01 07:14:14 +00:00
Michael J. Spencer b0ed8e80d8 [ELF][x86-84] Add static TLS support. 
llvm-svn: 174154
 2013-02-01 07:13:49 +00:00
Michael J. Spencer 289dcedea5 [ELF] Add support for IFUNC. 
This sadly doesn't have a test for the final
output because llvm-objdump can't dump relocations
that don't belong to a section :(

llvm-svn: 173808
 2013-01-29 16:38:03 +00:00
Michael J. Spencer d269a3e281 [ELF] Use correct regex in test. 
llvm-svn: 173665
 2013-01-28 06:11:39 +00:00
Michael J. Spencer 990ec2b223 [ELF] Use entry point from LinkerOptions. 
Patch by Ahmed Bougacha!

llvm-svn: 173655
 2013-01-28 04:15:44 +00:00
Michael J. Spencer 5ba1a96a10 [ELF][x86-64] Add relocation string<->kind. 
llvm-svn: 173533
 2013-01-25 23:48:58 +00:00
Michael J. Spencer 866e0f8a8c [ELF][X86-64] Use the correct base address. 
llvm-svn: 173527
 2013-01-25 23:23:24 +00:00
Nick Kledzik 36293f6512 Add SectionPosition and OrderPass 
llvm-svn: 173300
 2013-01-23 22:32:56 +00:00
Michael J. Spencer 563d33a6f1 [ELF] Read IFUNC symbols correctly as typeResolver. 
llvm-svn: 173299
 2013-01-23 22:08:46 +00:00
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 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
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
Michael J. Spencer ca20ffbab2 [test] Fix tests on Windows. 
llvm-svn: 172339
 2013-01-13 01:09:51 +00:00
Shankar Easwaran 7381db059a add noinhibit exec option 
llvm-svn: 172204
 2013-01-11 15:11:47 +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
Shankar Easwaran 2ca8e7d733 support for adding linker defined symbols 
llvm-svn: 172040
 2013-01-10 03:16:27 +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 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 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 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 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