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355 Commits

Author SHA1 Message Date
Shankar Easwaran c44bc347cb [ELF] Order weak symbols properly 
llvm-svn: 176583
 2013-03-06 21:59:27 +00:00
Shankar Easwaran 7d89b2b6a7 [ELF][Hexagon] fixing dynlib test 
llvm-svn: 176503
 2013-03-05 19:00:21 +00:00
Shankar Easwaran b6ef6c5a52 [ELF][Hexagon] fixing test failure 
llvm-svn: 176497
 2013-03-05 18:39:16 +00:00
Dmitri Gribenko e16bc92063 Fix -Wdocumentation warning: use a correct Doxygen comment marker 
llvm-svn: 176494
 2013-03-05 18:11:01 +00:00
Shankar Easwaran 49ae019997 [ELF] Set symbol type to STT_SECTION, so that objdump.bfd doesnot get confused when disassembling output 
llvm-svn: 176489
 2013-03-05 16:09:32 +00:00
Shankar Easwaran 3ff62ade38 [ELF] add dynamic library support 
llvm-svn: 176483
 2013-03-05 14:52:48 +00:00
Shankar Easwaran bcb722a452 [ELF] Remove comment 
llvm-svn: 176482
 2013-03-05 14:45:59 +00:00
Shankar Easwaran 7b0ae11c82 [ELF] no functionality change, update dynamicTable functionality 
llvm-svn: 176430
 2013-03-04 02:21:16 +00:00
Shankar Easwaran 03a525d6fd [lld][ELF] Add modified writer 
llvm-svn: 176425
 2013-03-03 22:10:57 +00:00
Shankar Easwaran 1993b0000c [lld][ELF] rename to add new support in the ELF Writer 
llvm-svn: 176424
 2013-03-03 22:09:22 +00:00
Shankar Easwaran 62bba5ddfb [ELF] rename Writer to ExecutableWriter 
llvm-svn: 176416
 2013-03-03 07:37:17 +00:00
Shankar Easwaran 1729e12358 [ELF][Hexagon] add initial changes to add GOT/PLT 
llvm-svn: 176415
 2013-03-03 07:34:56 +00:00
Shankar Easwaran b0e356e223 move dynamic linking atoms to Atoms.h 
llvm-svn: 176370
 2013-03-01 19:33:42 +00:00
Michael J. Spencer 8c0526593a [Writer][ELF][x86-64] Handle GOTPCREL relocations to SharedLibraryAtoms. 
llvm-svn: 176324
 2013-03-01 01:09:46 +00:00
Michael J. Spencer 3e00c5015f [ELF][x86-64] Only emit a PLT entry for a PLT relocation if the target atom is a SharedLibraryAtom. 
This seems to be what ld does, but I'm not sure how it works with symbol interposition.

With this hello-world with glibc dynamically linked works.

llvm-svn: 176310
 2013-03-01 00:03:56 +00:00
Michael J. Spencer a55e37f477 Add basic linker script parsing. 
llvm-svn: 176309
 2013-03-01 00:03:36 +00:00
Shankar Easwaran da28895597 [ELF][Hexagon] add quickdata relocations 
llvm-svn: 176298
 2013-02-28 20:54:03 +00:00
Michael J. Spencer a26f71c9ed [ELF][x86-64] Separate static and dynamic GOT/PLT generation. 
llvm-svn: 176294
 2013-02-28 20:04:32 +00:00
Shankar Easwaran 4685069152 [ELF][tests] changes for test cases 
llvm-svn: 176280
 2013-02-28 18:38:20 +00:00
Shankar Easwaran 937aa19a4b [ELF] Set header flags to 0 by default 
llvm-svn: 176279
 2013-02-28 18:36:34 +00:00
Shankar Easwaran dac3873442 [ELF][Hexagon] change Header flags 
llvm-svn: 176278
 2013-02-28 18:35:27 +00:00
Shankar Easwaran 8a2d1990d8 [lld][ELF][Hexagon] add more relocations 
llvm-svn: 176277
 2013-02-28 18:29:23 +00:00
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
Shankar Easwaran c5eda3ad2b fixing build error properly according to comment from David 
llvm-svn: 176169
 2013-02-27 05:53:38 +00:00
Shankar Easwaran 4f4ed0acdf adding a return to fix compilation error from buildbot, build #75 
llvm-svn: 176167
 2013-02-27 05:33:27 +00:00
Shankar Easwaran 2ce6b43f40 fixing typo in header file 
llvm-svn: 176162
 2013-02-27 04:02:30 +00:00
Michael J. Spencer 2063679ec4 [ELF][Writer] Add dynamic relocation tables. 
This adds separate PLT and dynamic relocation tables. It also fills in the dynamic table
entries for them.

llvm-svn: 176150
 2013-02-27 01:30:27 +00:00
Michael J. Spencer 7f09a3d54e [Pass][Layout] Fix bug and add debug printing. 
Fix a bug where if two atoms had the same index in the override map,
the compare would return false. It now goes to the next check when
they are equal.

No test because it currently can't be tested. An upcomming patch will test it.

llvm-svn: 176073
 2013-02-26 01:35:30 +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 1b095842ec [ELF] Change functions to virtual, in ExecutableAtoms 
llvm-svn: 175993
 2013-02-24 15:11:55 +00:00
Shankar Easwaran 5f0afe84f5 [ELF]Change name of runtime files, so that targets can change runtime files that they own 
llvm-svn: 175992
 2013-02-24 14:54:02 +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 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