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22 Commits

Author SHA1 Message Date
Sid Manning 261eec5fa5 [ELF][HEXAGON] Add support for GOT relocations. 
The GOT is referenced through the symbol _GLOBAL_OFFSET_TABLE_ .

The relocation added calculates the offset into the global offset table for
the entry of a symbol.  In order to get the correct TargetVA I needed to
create an new relocation expression, HEXAGON_GOT.  It does
Sym.getGotVA() - In.GotPlt->getVA().

Differential Revision: https://reviews.llvm.org/D52744

llvm-svn: 343784
 2018-10-04 14:54:17 +00:00
Sid Manning 490429d069 [ELF] [HEXAGON] Add support for PLT_B22_PCREL and HEX_32_PCREL 
Update testcase.

Differential Revision: https://reviews.llvm.org/D52734

llvm-svn: 343515
 2018-10-01 18:27:26 +00:00
Sid Manning fc50e63a2a [ELF][HEXAGON] Add support for dynamic libraries 
Write out the PLT header and stub.
Hexagon uses RELA relocations.

Differential Revision: https://reviews.llvm.org/D52317

llvm-svn: 343320
 2018-09-28 14:09:16 +00:00
George Rimar 95aae4c59d [ELF] - Do not fail on R_*_NONE relocations when parsing the debug info. 
This is https://bugs.llvm.org//show_bug.cgi?id=38919.

Currently, LLD may report "unsupported relocation target while parsing debug info"
when parsing the debug information.

At the same time LLD does that for zeroed R_X86_64_NONE relocations,
which obviously has "invalid" targets.

The nature of R_*_NONE relocation assumes them should be ignored.
This patch teaches LLD to stop reporting the debug information parsing errors for them.

Differential revision: https://reviews.llvm.org/D52408

llvm-svn: 343078
 2018-09-26 08:11:34 +00:00
Sid Manning 6d0e4fce1a [ELF][HEXAGON] Set DefaultMaxPageSize to 64K 
Update testcase to reflect the change.

llvm-svn: 342662
 2018-09-20 16:32:19 +00:00
Sid Manning 569a56d6a0 [ELF][HEXAGON] Add R_HEX_11/10/9_X support 
Differential Revision: https://reviews.llvm.org/D51225

llvm-svn: 340739
 2018-08-27 12:55:28 +00:00
Sid Manning 2c3d4b37b6 [ELF][HEXAGON] Add R_HEX_B13_PCREL relocation support 
Differential Revision: https://reviews.llvm.org/D51166

llvm-svn: 340693
 2018-08-25 23:16:37 +00:00
Sid Manning 6d0415e098 [ELF][HEXAGON] Add R_HEX_B9_PCREL and R_HEX_B9_PCREL_X relocation support 
Differential Revision: https://reviews.llvm.org/D51045

llvm-svn: 340692
 2018-08-25 21:25:35 +00:00
Sid Manning 564e65a4c0 [ELF][HEXAGON] Add R_HEX_16_X relocation 
This relocation has only 6-bits the remaining are in the extender.

Differential Revision: https://reviews.llvm.org/D50603

llvm-svn: 340413
 2018-08-22 15:25:15 +00:00
Rui Ueyama 4c7d6beb37 Remove unnecessary applyMask() application. 
applyMask(0xffffffff, x) is an identity function.

llvm-svn: 340152
 2018-08-20 06:33:29 +00:00
Sid Manning 5b0141c49e [ELF][HEXAGON] Add R_HEX_32 support 
Differential Revision: https://reviews.llvm.org/D50657

llvm-svn: 339677
 2018-08-14 13:52:38 +00:00
Sid Manning 07e541a892 [ELF][HEXAGON] Add R_HEX_8_X relocation 
Differential Revision: https://reviews.llvm.org/D50577

llvm-svn: 339477
 2018-08-10 21:48:40 +00:00
Sid Manning c53078a1e3 [ELF][HEXAGON] Add R_HEX_HI16/R_HEX_LO16 relocations 
Differential Revision: https://reviews.llvm.org/D50520

llvm-svn: 339371
 2018-08-09 20:04:53 +00:00
Sid Manning 17858207a0 Add R_HEX_6_X relocation support 
This is a larger patch.  This relocation has irregular immediate
masks that require a lookup to find the correct mask.

Differential Revision: https://reviews.llvm.org/D50450

llvm-svn: 339332
 2018-08-09 12:00:10 +00:00
Sid Manning bff6719450 [ELF][HEXAGON] Add R_HEX_32_6_X and R_HEX_12_X 
And add a test.

llvm-svn: 338213
 2018-07-29 11:59:38 +00:00
Sid Manning 3241724536 [ELF][HEXAGON] Add R_HEX_B15_PCREL_X relocation 
Update testcase

Differential Revision: https://reviews.llvm.org/D49567

llvm-svn: 337829
 2018-07-24 15:08:13 +00:00
Sid Manning 690b544f41 [ELF][HEXAGON] Add support for R_HEX_B15_PCREL 
Add support and update the testcase.

Differential Revision: https://reviews.llvm.org/D49394

llvm-svn: 337494
 2018-07-19 20:27:43 +00:00
Sid Manning bdd71f358d Add support for R_HEX_B32_PCREL_X, R_HEX_B22_PCREL_X relocations 
A couple more basic relocations plus testcase.

Differential Revision: https://reviews.llvm.org/D47791

llvm-svn: 337484
 2018-07-19 19:10:56 +00:00
Rui Ueyama 1ebde333e8 Remove needless bitwise-AND. 
Because applyMask ignores upper bits, we don't need to mask them.

llvm-svn: 334647
 2018-06-13 19:58:33 +00:00
Rui Ueyama 3cc4a0825b Make a function non-member because it doesn't depend on any class. 
llvm-svn: 334646
 2018-06-13 19:50:10 +00:00
Rui Ueyama 803ffdbc7b Apply clang-format. 
llvm-svn: 334645
 2018-06-13 19:49:58 +00:00
Sid Manning 95b0c2e1e3 Add Hexagon Support 
Differential Revision: https://reviews.llvm.org/D47791

llvm-svn: 334637
 2018-06-13 18:45:25 +00:00