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67 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
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
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
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
Simon Atanasyan
e9ba661696 [Mips] Removed extra space. Thanks to dexonsmith's eagle eye. 
llvm-svn: 203201
 2014-03-07 04:50:53 +00:00
Simon Atanasyan
54f6f7bd77 [Mips] Replace "virtual" by "override" in member function declarations 
where it is appropriate.

llvm-svn: 203102
 2014-03-06 10:29:45 +00:00
Chandler Carruth
6eface7c9d [C++11] Switch from LLVM_FINAL to just "final" now that all of LLVM is 
requiring MSVC 2012 or newer.

llvm-svn: 202626
 2014-03-02 09:35:33 +00:00
Simon Atanasyan
930ea1892f [Mips] Remove non-ASCII symbol from the comment. 
llvm-svn: 202290
 2014-02-26 19:23:52 +00:00
Simon Atanasyan
46ff3ce2bd [Mips] Split reloc26 function into two parts - for processing local and 
external relocations.

llvm-svn: 202289
 2014-02-26 19:17:20 +00:00
Simon Atanasyan
2043ee167c [Mips] Use a correct number of bits when apply result of calculated relocation. 
llvm-svn: 202288
 2014-02-26 19:17:14 +00:00
Simon Atanasyan
a444eae5ce [Mips] Exit from the class method as soon as possible. 
llvm-svn: 202287
 2014-02-26 19:17:07 +00:00
Simon Atanasyan
06f8ea4c07 [Mips] Simplify the code. Replace redundant 'switch' operator by the single 'if' one. 
llvm-svn: 201131
 2014-02-11 06:36:16 +00:00
Simon Atanasyan
bf987c2dae [Mips] Handle R_MIPS_COPY relocation. 
llvm-svn: 201129
 2014-02-11 05:34:02 +00:00
Simon Atanasyan
b828ebb5dd [Mips] In case of executable file linking MIPS ABI requires to add even 
undefined symbols to '.dynsym' if these symbols have corresponding entries
in a global part of GOT.

llvm-svn: 200716
 2014-02-03 20:10:40 +00:00
Simon Atanasyan
0912fe06dc [Mips] Unify #include guard names. 
llvm-svn: 200715
 2014-02-03 20:10:30 +00:00
Simon Atanasyan
e6f6f06c91 [ELF] Customize dynamic table tag used for .got.plt section referencing. 
The patch reviewed by Shankar Easwaran and Rui Ueyama.

llvm-svn: 200630
 2014-02-02 12:19:29 +00:00
Simon Atanasyan
7aa9061ead [Mips] Declare MipsDynamicTable class in a separate header file. 
llvm-svn: 200328
 2014-01-28 18:52:41 +00:00
Shankar Easwaran
b11964707c [ELF] Make changes to all the targets supported currently 
X86_64,X86,PPC,Hexagon,Mips

No change in functionality.

llvm-svn: 200177
 2014-01-27 01:21:02 +00:00
Shankar Easwaran
9691b01905 [ELF] Rename File.h to ELFFile.h to avoid confusion. 
No change in functionality.

llvm-svn: 200166
 2014-01-26 23:49:07 +00:00
Simon Atanasyan
d8cadd6f17 [ELF] Customize a relocation table output format (rel / rela). 
Add new virtual virtual function `isRelaOutputFormat` to the
`ELFLinkingContext` class. Call this function everywhere we need to
select a relocation table format.

Patch reviewed by Shankar Easwaran and Rui Ueyama.

llvm-svn: 199973
 2014-01-24 05:21:21 +00:00
Simon Atanasyan
2f1d6366e7 [Mips] Emit ELF header for MIPS target. ELF flags set is mostly hardcoded. 
Later we need to improve that solution and build a correct set of flags
by merging ELF flags from all input objects.

llvm-svn: 199555
 2014-01-18 16:59:11 +00:00
Simon Atanasyan
0e57a77072 [Mips] Simplify calculations of relocations - replace scatterBits calls 
by bitwise AND operator and remove redundant local variables.

llvm-svn: 199554
 2014-01-18 16:59:00 +00:00
Simon Atanasyan
9ab3b8db84 [Mips] Allocate local GOT entry for a global symbol defined in an 
executable file.

llvm-svn: 199517
 2014-01-17 21:18:45 +00:00
Simon Atanasyan
362bdc125e [Mips] Implement .plt and .got.plt section creation. 
llvm-svn: 199516
 2014-01-17 21:18:37 +00:00
Simon Atanasyan
66338224be [Mips] Handle R_MIPS_26 relocation. Maintaining of .plt and .got.plt 
sections will be implemented later.

llvm-svn: 199515
 2014-01-17 21:18:26 +00:00
Simon Atanasyan
80b86a43d5 [Mips] Provide default name of MIPS-specific interpreter. 
llvm-svn: 199514
 2014-01-17 21:18:14 +00:00
Simon Atanasyan
13c5ce53dc [Mips] Do not forget to initialize a class field. 
llvm-svn: 199241
 2014-01-14 18:20:07 +00:00
Simon Atanasyan
e46e2dfe01 [Mips] Calculate gp value only once. 
llvm-svn: 199240
 2014-01-14 18:20:00 +00:00
Simon Atanasyan
db2e1f35d8 [Mips] Create and initialize _gp symbol. 
llvm-svn: 199239
 2014-01-14 18:19:52 +00:00
Simon Atanasyan
6cac582de5 [Mips] Do not store a pointer to the AtomLayout related to the 
_GLOBAL_OFFSET_TABLE_ symbol. We do not use this ponter anywhere after
assigning of virtual address.

llvm-svn: 199237
 2014-01-14 18:19:35 +00:00