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| author | Colin LeMahieu <colinl@codeaurora.org> | 2015-05-30 18:42:22 +0000 |
|---|---|---|
| committer | Colin LeMahieu <colinl@codeaurora.org> | 2015-05-30 18:42:22 +0000 |
| commit | a01780facfaa80f3ad219df2aaf9d8153a0ef850 (patch) | |
| tree | 8400df13906706930f09a9320d555e9ee056621a /llvm/lib/MC/MCAsmBackend.cpp | |
| parent | 2ea204e645ea224d90b902153602e655f097dab2 (diff) | |
| download | llvm-a01780facfaa80f3ad219df2aaf9d8153a0ef850.zip llvm-a01780facfaa80f3ad219df2aaf9d8153a0ef850.tar.gz llvm-a01780facfaa80f3ad219df2aaf9d8153a0ef850.tar.bz2 | |
[MC] Allow backends to decide relaxation for unresolved fixups.
Differential Revision: http://reviews.llvm.org/D8217
llvm-svn: 238659
Diffstat (limited to 'llvm/lib/MC/MCAsmBackend.cpp')
| -rw-r--r-- | llvm/lib/MC/MCAsmBackend.cpp | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/llvm/lib/MC/MCAsmBackend.cpp b/llvm/lib/MC/MCAsmBackend.cpp index c42757b..36c65b7 100644 --- a/llvm/lib/MC/MCAsmBackend.cpp +++ b/llvm/lib/MC/MCAsmBackend.cpp @@ -16,27 +16,33 @@ MCAsmBackend::MCAsmBackend() : HasDataInCodeSupport(false) {} MCAsmBackend::~MCAsmBackend() {} -const MCFixupKindInfo & -MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const { +const MCFixupKindInfo &MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const { static const MCFixupKindInfo Builtins[] = { - { "FK_Data_1", 0, 8, 0 }, - { "FK_Data_2", 0, 16, 0 }, - { "FK_Data_4", 0, 32, 0 }, - { "FK_Data_8", 0, 64, 0 }, - { "FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel }, - { "FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel }, - { "FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel }, - { "FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel }, - { "FK_GPRel_1", 0, 8, 0 }, - { "FK_GPRel_2", 0, 16, 0 }, - { "FK_GPRel_4", 0, 32, 0 }, - { "FK_GPRel_8", 0, 64, 0 }, - { "FK_SecRel_1", 0, 8, 0 }, - { "FK_SecRel_2", 0, 16, 0 }, - { "FK_SecRel_4", 0, 32, 0 }, - { "FK_SecRel_8", 0, 64, 0 } - }; + {"FK_Data_1", 0, 8, 0}, + {"FK_Data_2", 0, 16, 0}, + {"FK_Data_4", 0, 32, 0}, + {"FK_Data_8", 0, 64, 0}, + {"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel}, + {"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel}, + {"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel}, + {"FK_GPRel_1", 0, 8, 0}, + {"FK_GPRel_2", 0, 16, 0}, + {"FK_GPRel_4", 0, 32, 0}, + {"FK_GPRel_8", 0, 64, 0}, + {"FK_SecRel_1", 0, 8, 0}, + {"FK_SecRel_2", 0, 16, 0}, + {"FK_SecRel_4", 0, 32, 0}, + {"FK_SecRel_8", 0, 64, 0}}; assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind"); return Builtins[Kind]; } + +bool MCAsmBackend::fixupNeedsRelaxationAdvanced( + const MCFixup &Fixup, bool Resolved, uint64_t Value, + const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const { + if (!Resolved) + return true; + return fixupNeedsRelaxation(Fixup, Value, DF, Layout); +} |