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314 Commits

Author SHA1 Message Date
Shankar Easwaran 8a1a4e7cf7 rename fixupAddend to relocAddend 
llvm-svn: 175638
 2013-02-20 17:42:00 +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 2139795dfa [Driver][GNULD] Lookup .so files and default to dynamic output. 
llvm-svn: 175572
 2013-02-19 23:05:36 +00:00
Michael J. Spencer cadb082e5a [ELF] Fix memory leak by deleting BumpPtr allocated objects. 
llvm-svn: 175558
 2013-02-19 21:04:30 +00:00
Chandler Carruth 21aaf2534d Switch a vector<pair<const T &, const U &>> to a vector<pair<const T *, 
const U *>>. Even in C++11 it doesn't seem this is valid as vector's
emplace support requires move assignment, and there is no way to move
assign a reference.

The real motivation however is that this fixes the build of lld with
libstdc++ 4.6.

llvm-svn: 175481
 2013-02-19 01:58:11 +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
Michael J. Spencer db18847b01 [ELF][Writer] Refactor Section to not have atoms. Move atoms into AtomSection. 
The purpose of this change is to simplify creating non-atom sections.
Previously _contentType, _sectionKind and _order were used for multiple
purposes and collided in places. This moves all of the Atom specific logic down
into AtomSection and makes Section just have raw Elf_Shdr flags.

llvm-svn: 175207
 2013-02-14 20:24:38 +00:00
Shankar Easwaran 4b9cea7317 fix the mergeable string atom, when the target points to a symbol which is at a relative offset from the start of the .rodata section 
llvm-svn: 175039
 2013-02-13 06:35:33 +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 ac4f444e39 [docs] lld self hosts. 
llvm-svn: 174592
 2013-02-07 07:26:45 +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 cfe59fd0d3 [Driver] Replace Target with TargetInfo. Simplify LinkerInput. 
This removes Target and moves the functionality it had over to TargetInfo.

This also simplifies LinkerInput by removing the InputKind. This will be handled elsewhere.

llvm-svn: 174589
 2013-02-07 06:46:48 +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 7fec00b20e [ELF][Layout] Provide a proper way to get the TLS segment size. 
llvm-svn: 174427
 2013-02-05 19:14:43 +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
Michael J. Spencer be1100e192 [Resolver] Improve undefined symbol error. 
llvm-svn: 174277
 2013-02-03 10:50:06 +00:00
Michael J. Spencer 7b7e8edb86 [ELF] Use LLVM_IS_UNALIGNED_ACCESS_FAST. 
llvm-svn: 174276
 2013-02-03 10:49:57 +00:00
Michael J. Spencer 7e813242af [ELF][Reader] Improve performance by removing calls to malloc. 
llvm-svn: 174275
 2013-02-03 10:49:47 +00:00
Michael J. Spencer 9a1da075b2 [ELF] Fix uninitialized variable. 
llvm-svn: 174274
 2013-02-03 10:49:37 +00:00
Michael J. Spencer 4673da27ef [Archive] Update to LLVM change. 
llvm-svn: 174273
 2013-02-03 10:49:26 +00:00
Alex Rosenberg b65e88863e Spelling and grammar corrections. 
llvm-svn: 174268
 2013-02-03 07:05:26 +00:00
Shankar Easwaran a47495898c remove duplicate strings from the string table 
llvm-svn: 174200
 2013-02-01 18:06:15 +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
Shankar Easwaran f23fc86ca8 add proper copyright header 
llvm-svn: 174178
 2013-02-01 15:05:11 +00:00
Michael J. Spencer 18950a174e [Docs] Update status :) 
llvm-svn: 174162
 2013-02-01 09:20:24 +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 3c75665fdd [ELF][x86-64] Add the _GLOBAL_OFFSET_TABLE_ Atom in the correct location. 
Now we link against glibc without --noinhibit-exec.

llvm-svn: 174150
 2013-02-01 05:36:14 +00:00
Michael J. Spencer c8803d27aa [ELF] Add more absolute atoms. Simplify how they are resolved. 
llvm-svn: 174149
 2013-02-01 05:36:00 +00:00
Shankar Easwaran 73ef70b50f add hexagon scatter bits and split hexgontargethandler to hexagonrelocationhander 
llvm-svn: 174148
 2013-02-01 05:26:02 +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
Michael J. Spencer 461d33648b [ELF][x86-64] Improve unknown relocation message. 
llvm-svn: 174092
 2013-01-31 21:00:57 +00:00
Michael J. Spencer 3830d2c49f [ELF] Create atoms for progbits sections with no symbols but still have content. 
llvm-svn: 174091
 2013-01-31 21:00:42 +00:00
Shankar Easwaran fb8565a9c6 add support for assigning virtual addresses to TDATA/TBSS sections 
llvm-svn: 174065
 2013-01-31 16:04:47 +00:00
Michael J. Spencer b3c04d28c8 [ELF] Fix circular initialization bug. 
llvm-svn: 173968
 2013-01-30 20:36:56 +00:00
Michael J. Spencer 901fd6a4c8 [ELF] Use the target's LayoutHandler. 
llvm-svn: 173966
 2013-01-30 20:05:27 +00:00
Shankar Easwaran e07245cdfc hexagon targetinfo changes for getting the relocation kind from string and vice versa 
llvm-svn: 173942
 2013-01-30 16:05:43 +00:00
Shankar Easwaran ddb122811b simplify hexagon relocations handling 
llvm-svn: 173938
 2013-01-30 15:38:41 +00:00
Michael J. Spencer 23d23953b3 [ELF][x86-64] Add TargetLayout. 
llvm-svn: 173922
 2013-01-30 10:43:25 +00:00
Michael J. Spencer 8254185eea Whitespace. 
llvm-svn: 173921
 2013-01-30 10:43:10 +00:00
Michael J. Spencer d21b72730f [ELF] Remove ReferenceKinds. 
llvm-svn: 173912
 2013-01-30 07:46:54 +00:00
Michael J. Spencer f35c3e434a [ELF] Use TargetRelocationHandler to apply relocations. 
llvm-svn: 173911
 2013-01-30 07:46:31 +00:00
Michael J. Spencer 409a737f36 [ELF] Add {Hexagon,PPC,X86}TargetHandler. 
llvm-svn: 173909
 2013-01-30 07:36:45 +00:00
Shankar Easwaran 072031a265 change the function names in RelocationHelper to adhere to convention 
llvm-svn: 173908
 2013-01-30 07:36:09 +00:00