| //===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/MC/MCAsmBackend.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/MC/MCFixupKindInfo.h" |
| using namespace llvm; |
| |
| MCAsmBackend::MCAsmBackend() {} |
| |
| MCAsmBackend::~MCAsmBackend() {} |
| |
| Optional<MCFixupKind> MCAsmBackend::getFixupKind(StringRef Name) const { |
| return None; |
| } |
| |
| 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}}; |
| |
| 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); |
| } |