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131 Commits

Author SHA1 Message Date
Shankar Easwaran bd525a3f63 [lld][ELF] set ordinals for mergeAtoms and fix testcase 
llvm-svn: 181622
 2013-05-10 18:52:29 +00:00
Shankar Easwaran 3c5d2c8a24 [lld][LayoutPass] This commit fixes a problem in the 
Layoutpass by ordering atoms if they appear in the override
list first and then looking at the way of ordering atoms in
the default way.

The fix also fixes issues with the sizes of the sections,
that appear in the output properly too.

The commit also adds a testcase(orderatoms-by-override.test)
to test it and fixes all the other relevant testcases.

llvm-svn: 181605
 2013-05-10 16:44:02 +00:00
Rui Ueyama eb6b6e4857 [lld] Fix broken test. -layout-pass option does not exist. 
Also shuffle the atoms so that it can verify the layout pass
actually changed the layout.

llvm-svn: 181573
 2013-05-10 00:50:33 +00:00
Shankar Easwaran 6e1f5b7d1a [lld][ELF] reduce the number of symbols emitted in the symbol table 
llvm-svn: 180872
 2013-05-01 19:36:38 +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
Nico Rieck bdfd4eb223 Replace elf-dump with llvm-readobj in lld tests 
llvm-svn: 179364
 2013-04-12 04:29:01 +00:00
Shankar Easwaran bba9fe8495 [test] missing underscore while checking for test output 
llvm-svn: 179264
 2013-04-11 04:20:21 +00:00
Shankar Easwaran 4cb24b38f6 [test] fix failing test, the test was not accounting for - in the path 
llvm-svn: 179260
 2013-04-11 04:08:11 +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
Shankar Easwaran f4a5e2f439 [ELF][test] add dynamic library search 
llvm-svn: 178840
 2013-04-05 04:34:57 +00:00
Shankar Easwaran 831b4a0503 [test] remove printing the file to stdout 
llvm-svn: 178817
 2013-04-04 23:53:46 +00:00
Nick Kledzik 563d9dc1b2 temp change to test case to debug buildbot failure 
llvm-svn: 178788
 2013-04-04 20:34:37 +00:00
Nick Kledzik 9a632dbe0c fix command line option to use -o 
llvm-svn: 178777
 2013-04-04 19:17:58 +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
Rafael Espindola 13de1566d0 Update the lld testsuite for the llvm-readobj format change. 
llvm-svn: 178693
 2013-04-03 20:53:45 +00:00
Shankar Easwaran 34353270a0 [ELF][Hexagon] fix few relocations and add test 
llvm-svn: 178495
 2013-04-01 20:20:11 +00:00
Shankar Easwaran 1d9e531856 [ELF][Hexagon] Create .got.plt entries with the appropriate alignment 
llvm-svn: 178467
 2013-04-01 15:14:34 +00:00
Shankar Easwaran cbe06ca340 [ELF] Set the symbol type for undefined atoms properly 
llvm-svn: 178466
 2013-04-01 15:12:54 +00:00
Shankar Easwaran bb9d4a5ca0 [ELF] Add dynamic hash table and get simple dynamic libraries working with Hexagon 
llvm-svn: 178323
 2013-03-29 00:53:25 +00:00
Shankar Easwaran 7404004a4c [ELF][Hexagon] Fixing failing test on Bots, few symbol names are available only in debug builds, dont check the symbol names 
llvm-svn: 177991
 2013-03-26 04:01:26 +00:00
Shankar Easwaran 499aa9e028 [ELF][Hexagon] add GOTREL/GOT relocations 
llvm-svn: 177970
 2013-03-26 02:20:56 +00:00
Shankar Easwaran 1af701ec6a [ELF] order rela.dyn/rela.plt properly 
llvm-svn: 177969
 2013-03-26 02:20:08 +00:00
Shankar Easwaran aec2165123 [ELF] fix dynamic symbol table entries and update tests 
llvm-svn: 177875
 2013-03-25 16:41:14 +00:00
Shankar Easwaran 71738cafe6 [ELF][Hexagon][test] check .got.plt order 
llvm-svn: 177604
 2013-03-20 23:39:43 +00:00
Shankar Easwaran 0fa1b3c86a [X86_64][test] check that interp section is not emitted when building dynamic libraries 
llvm-svn: 177603
 2013-03-20 23:34:36 +00:00
Shankar Easwaran 74fc23fa5d [ELF][X86_64][Hexagon] order plt/got entries properly and fix test 
llvm-svn: 176970
 2013-03-13 20:30:11 +00:00
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
Shankar Easwaran 3ff62ade38 [ELF] add dynamic library support 
llvm-svn: 176483
 2013-03-05 14:52:48 +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
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 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