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| author | Jack Carter <jcarter@mips.com> | 2012-11-21 23:38:59 +0000 |
|---|---|---|
| committer | Jack Carter <jcarter@mips.com> | 2012-11-21 23:38:59 +0000 |
| commit | 198ad916d736047f8a439f19dee25cee917df8a9 (patch) | |
| tree | 7a5851d2e159af0669630c415b536fd92b3010e1 /lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp | |
| parent | 17ced4521f67255271df17e8d6e3e61de426371c (diff) | |
| download | external_llvm-198ad916d736047f8a439f19dee25cee917df8a9.zip external_llvm-198ad916d736047f8a439f19dee25cee917df8a9.tar.gz external_llvm-198ad916d736047f8a439f19dee25cee917df8a9.tar.bz2 | |
Mips direct object xgot support
This patch provides support for the MIPS relocations:
*) R_MIPS_GOT_HI16
*) R_MIPS_GOT_LO16
*) R_MIPS_CALL_HI16
*) R_MIPS_CALL_LO16
These are used for large GOT instruction sequences.
Contributer: Jack Carter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168471 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp')
| -rw-r--r-- | lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp index 9a35bb6..c078794 100644 --- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp +++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp @@ -42,6 +42,8 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) { case Mips::fixup_Mips_GOT_PAGE: case Mips::fixup_Mips_GOT_OFST: case Mips::fixup_Mips_GOT_DISP: + case Mips::fixup_Mips_GOT_LO16: + case Mips::fixup_Mips_CALL_LO16: break; case Mips::fixup_Mips_PC16: // So far we are only using this type for branches. @@ -60,6 +62,8 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) { break; case Mips::fixup_Mips_HI16: case Mips::fixup_Mips_GOT_Local: + case Mips::fixup_Mips_GOT_HI16: + case Mips::fixup_Mips_CALL_HI16: // Get the 2nd 16-bits. Also add 1 if bit 15 is 1. Value = ((Value + 0x8000) >> 16) & 0xffff; break; @@ -179,7 +183,11 @@ public: { "fixup_Mips_GOT_OFST", 0, 16, 0 }, { "fixup_Mips_GOT_DISP", 0, 16, 0 }, { "fixup_Mips_HIGHER", 0, 16, 0 }, - { "fixup_Mips_HIGHEST", 0, 16, 0 } + { "fixup_Mips_HIGHEST", 0, 16, 0 }, + { "fixup_Mips_GOT_HI16", 0, 16, 0 }, + { "fixup_Mips_GOT_LO16", 0, 16, 0 }, + { "fixup_Mips_CALL_HI16", 0, 16, 0 }, + { "fixup_Mips_CALL_LO16", 0, 16, 0 } }; if (Kind < FirstTargetFixupKind) |