1 //===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/MC/MCAsmBackend.h"
11 #include "llvm/ADT/STLExtras.h"
12 #include "llvm/MC/MCFixupKindInfo.h"
15 MCAsmBackend::MCAsmBackend() : HasDataInCodeSupport(false) {}
17 MCAsmBackend::~MCAsmBackend() {}
19 const MCFixupKindInfo &MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
20 static const MCFixupKindInfo Builtins[] = {
21 {"FK_Data_1", 0, 8, 0},
22 {"FK_Data_2", 0, 16, 0},
23 {"FK_Data_4", 0, 32, 0},
24 {"FK_Data_8", 0, 64, 0},
25 {"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel},
26 {"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel},
27 {"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
28 {"FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel},
29 {"FK_GPRel_1", 0, 8, 0},
30 {"FK_GPRel_2", 0, 16, 0},
31 {"FK_GPRel_4", 0, 32, 0},
32 {"FK_GPRel_8", 0, 64, 0},
33 {"FK_SecRel_1", 0, 8, 0},
34 {"FK_SecRel_2", 0, 16, 0},
35 {"FK_SecRel_4", 0, 32, 0},
36 {"FK_SecRel_8", 0, 64, 0}};
38 assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
39 return Builtins[Kind];
42 bool MCAsmBackend::fixupNeedsRelaxationAdvanced(
43 const MCFixup &Fixup, bool Resolved, uint64_t Value,
44 const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const {
47 return fixupNeedsRelaxation(Fixup, Value, DF, Layout);