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1217 Commits

Author SHA1 Message Date
Simon Atanasyan
134a8a6311 [Mips] Reduce the number of 'const' casts. 
llvm-svn: 204355
 2014-03-20 16:26:25 +00:00
Simon Atanasyan
df0d62a7cb [Mips] Join two for loops over defined atoms into the single one. 
llvm-svn: 204354
 2014-03-20 16:26:15 +00:00
Simon Atanasyan
7b571f4ee0 [Mips] Remove the dead code. 
llvm-svn: 204353
 2014-03-20 16:26:07 +00:00
Simon Atanasyan
c452d4f89f [Mips] Remove unused member function argument. 
llvm-svn: 204352
 2014-03-20 16:25:58 +00:00
Rui Ueyama
6d500da3cc Revert "[ELF] Order DT_NEEDED entries by command line order." 
This reverts commit r204291 because it broke buildbots.

llvm-svn: 204317
 2014-03-20 06:57:28 +00:00
Rui Ueyama
bc6b52e68e Move RoundTrip tests behind LLVM_RUN_ROUNDTRIP_TEST env flag. 
If the environment variable is defined and not empty, RoundTrip tests
are run. The reason to move the tests behind the flag is because they
are too slow to enable by default.

LLD linking time on llvm-tblgen improved from 2m7s to 2.3s. About 60x
faster now in this case.

Differential Revision: http://llvm-reviews.chandlerc.com/D3126

llvm-svn: 204296
 2014-03-20 02:49:33 +00:00
Michael J. Spencer
05c152b5d1 [gnu-ld] Support -m on non-NetBSD targets. 
llvm-svn: 204293
 2014-03-20 01:28:36 +00:00
Michael J. Spencer
deefb10fd6 [ELF] Order DT_NEEDED entries by command line order. 
With this all test-suite tests pass with lld on x86-64 Linux.

llvm-svn: 204291
 2014-03-20 01:28:23 +00:00
Simon Atanasyan
6210b2ef6b [Mips] Remove unused function. 
llvm-svn: 204248
 2014-03-19 16:05:32 +00:00
Simon Atanasyan
e29132d427 [Mips] Fix handling of R_MIPS_GOT16 relocation and building local part 
of GOT.
 * Read addend for R_MIPS_GOT16 relocation.
 * Put only high 16 bits of symbol + addend into GOT entries for
   locally visible symbols.

llvm-svn: 204247
 2014-03-19 15:46:25 +00:00
Simon Atanasyan
b1ba018ed2 [Mips] Handle R_MIPS_GOT16 relocation for external and local symbols in 
a uniform way.

llvm-svn: 204246
 2014-03-19 15:46:15 +00:00
Simon Atanasyan
49fa6a41f4 [Mips] Factor out the code creates GOT entry atoms into the two 
functions. The first one is for local GOT entries. The second one is for
global GOT entries.

llvm-svn: 204245
 2014-03-19 15:46:07 +00:00
Simon Atanasyan
a7b553efd1 [Mips] Add 'const' qualifier to the function. 
llvm-svn: 204244
 2014-03-19 15:46:00 +00:00
Simon Atanasyan
c1b62ea310 [Mips] Move AHL addends calculation to the RelocationPass class. 
llvm-svn: 204243
 2014-03-19 15:45:55 +00:00
Simon Atanasyan
d8259fbcc3 [Mips] Move RelocationPass class member function definitions out of the 
class.

llvm-svn: 204242
 2014-03-19 15:45:49 +00:00
Simon Atanasyan
0edb4bbb4b [PECOFF] Fix -Wsign-compare warning. 
llvm-svn: 204223
 2014-03-19 11:06:01 +00:00
Simon Atanasyan
0e202224a3 [ELF] Remove unused fields (linking context references). 
llvm-svn: 204222
 2014-03-19 11:05:55 +00:00
Simon Atanasyan
b665ce2c27 Fix warning 'enumeral and non-enumeral type in conditional expression'. 
llvm-svn: 204221
 2014-03-19 11:05:47 +00:00
Alexey Samsonov
8e6829e436 Remove extra semicolon for -Wpedantic 
llvm-svn: 204219
 2014-03-19 09:38:31 +00:00
Rui Ueyama
7ad72ebc5e [PECOFF] Support yet another new type of weak symbol. 
COMDAT_SELECT_LARGEST is a COMDAT type that make linker to choose the largest
definition from among all of the definition of a symbol. If the size is the
same, the choice is arbitrary.

Differential Revision: http://llvm-reviews.chandlerc.com/D3011

llvm-svn: 204172
 2014-03-18 19:37:50 +00:00
Alexey Samsonov
67dc3e9538 Fix lld build 
llvm-svn: 204122
 2014-03-18 07:24:10 +00:00
Rui Ueyama
a7236598bb [PECOFF] Data type of SectionNumber is now unsigned (r203986). 
So we don't need static_cast's to convert it from signed to unsigned.

llvm-svn: 203992
 2014-03-15 00:39:12 +00:00
Rui Ueyama
39aa6af23f Remove redundant "virtual" keyword. 
llvm-svn: 203903
 2014-03-14 07:10:43 +00:00
Rui Ueyama
74af50134b [PECOFF] Handle large objects having more than 32768 sections. 
The COFF spec says that the SectionNumber field in the symbol table is 16 bit
signed type, but MSVC treats the field as if it is unsigned.

llvm-svn: 203901
 2014-03-14 07:04:01 +00:00
Rui Ueyama
aca3c7c6f4 [PECOFF] Fix link order. 
LLD fails to link symbol "_main" if the symbol is in a library file and
the library file is given as a bare argument (i.e. not with /defaultlib
option). It's because library files given as bare arguments are processed
before other libraries given with /defaultlib, so when Linker finds msvcrtd
needs a definition for "_main", the file providing the main function has
already been processed and skipped. Linker don't revisit libraries if it's
not given with /defaultlib.

To fix it this patch change the way of command line handling; files end with
".lib" are treated as if they are given with /defaultlib. I don't believe
it's 100% correct behavior but it's better than before.

llvm-svn: 203892
 2014-03-14 05:59:16 +00:00
Rui Ueyama
ebffa9b4be [PECOFF] Fix arguments passed to lib.exe. 
llvm-svn: 203891
 2014-03-14 05:04:08 +00:00
Rui Ueyama
516273ba99 [PECOFF] Make WinLinkDriver::parse() and allocate*() functions thread-safe. 
Looks like a major cause of instability on Windows is this thread-safety bug.

llvm-svn: 203889
 2014-03-14 04:28:38 +00:00
Rui Ueyama
f88731f293 [PECOFF] Implement /lib option. 
This option is not documented and seems weird, but yeah we need it anyway.

llvm-svn: 203884
 2014-03-14 03:06:55 +00:00
Rui Ueyama
7d96f0cc38 Use short identifier, s/diagnostics/diag/. 
llvm-svn: 203876
 2014-03-14 00:38:34 +00:00
Rui Ueyama
b3f679e1ab [PECOFF] Support response files. 
If the driver finds a command line option in the form of "@filename", the
option will be replaced with the content of the given file. It's an error
if a response file cannot be read.

llvm-svn: 203875
 2014-03-14 00:36:30 +00:00
Ahmed Charles
13c70b6d4b Replace OwningPtr with std::unique_ptr. 
This results in some simplifications to the code where an OwningPtr had to
be used with the previous api and then ownership moved to a unique_ptr for
the rest of lld.

llvm-svn: 203809
 2014-03-13 16:20:38 +00:00
Rui Ueyama
c83b4eb3a1 [PECOFF] Handle objects with unknown machine type header value. 
An object whose machine type header value is unknown looks a bit odd but
is valid. If an object contains only machine-type-independent data, you
can leave the type field unspecified. Some files in oldname.lib are such
object files.

llvm-svn: 203752
 2014-03-13 05:12:36 +00:00
Michael J. Spencer
ac1b1d7bfc [docs] Add some more information on missing relocations. 
llvm-svn: 203744
 2014-03-13 01:11:03 +00:00
Rui Ueyama
b325b81138 [ELF] Fix MSVC warning on conversion from enum to bool. 
This function returns a boolean value, so returning STT_COMMON does not
make sense.

llvm-svn: 203731
 2014-03-12 23:04:27 +00:00
Ahmed Charles
d6432c8aed [Cleanup] Sort includes. 
llvm-svn: 203666
 2014-03-12 15:55:13 +00:00
Michael J. Spencer
e1de2a39df [docs] Add list of missing GNU ld command line options. 
llvm-svn: 203491
 2014-03-10 21:25:43 +00:00
Simon Atanasyan
fe3e0a2abf [Mips] Fix addendum reading for R_MIPS_26 relocation. 
llvm-svn: 203412
 2014-03-09 13:20:01 +00:00
Simon Atanasyan
c146325b26 [Mips] Fix addendum reading for R_MIPS_32 relocation. 
llvm-svn: 203411
 2014-03-09 13:19:54 +00:00
Simon Atanasyan
0f96aca940 [Mips] Fix addendum reading for R_MIPS_HI16 / R_MIPS_LO16 relocations. 
llvm-svn: 203410
 2014-03-09 13:19:46 +00:00
Simon Atanasyan
cfffe940a8 [Mips] Create ELF object reader for MIPS target. 
llvm-svn: 203409
 2014-03-09 13:19:36 +00:00
Simon Atanasyan
3af8664858 [ELF] Factor out the code creates a Reference for the specified symbol 
and relocation entry into the two virtual functions.

llvm-svn: 203408
 2014-03-09 13:19:29 +00:00
Simon Atanasyan
6928b38c99 [Mips] Remove redundant 'mips' prefix from names of MipsELFWriter class 
fields.

llvm-svn: 203406
 2014-03-09 13:05:33 +00:00
Simon Atanasyan
8d8e340c61 [Mips] Reduce the code indentation. 
llvm-svn: 203405
 2014-03-09 13:05:26 +00:00
Simon Atanasyan
82381f97b9 [Mips] Change unused return type from 'bool' to 'void'. 
llvm-svn: 203404
 2014-03-09 13:05:20 +00:00
Simon Atanasyan
0784422520 [Mips] Remove unnecessary LLVM_ATTRIBUTE_UNUSED attribute. 
llvm-svn: 203403
 2014-03-09 13:05:15 +00:00
Simon Atanasyan
6af34b9661 [Mips] Do not inherit MipsDynamicLibraryWriter and MipsExecutableWriter 
from MipsELFWriter class. MipsELFWriter is just a helper.

llvm-svn: 203402
 2014-03-09 13:05:09 +00:00
Simon Atanasyan
16c425e985 [Mips] Mark class by 'final' keyword. 
llvm-svn: 203401
 2014-03-09 13:05:03 +00:00
Simon Atanasyan
8801c45110 [Mips] Remove redundant 'mips' prefix from names of MipsTargetHandler 
and MipsDynamicSymbolTable classes fields.

llvm-svn: 203400
 2014-03-09 13:04:56 +00:00
Simon Atanasyan
4881a93b73 [Mips] Remove redundant call to the unique_ptr::get() method followed 
by the returned pointer dereferencing.

llvm-svn: 203399
 2014-03-09 13:04:50 +00:00
Simon Atanasyan
f08deab395 [Mips] Remove unused class field. 
llvm-svn: 203398
 2014-03-09 13:04:45 +00:00