1 //===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/MC/MCAsmBackend.h"
11 #include "llvm/ADT/STLExtras.h"
12 #include "llvm/MC/MCFixupKindInfo.h"
13 using namespace llvm;
14
MCAsmBackend()15 MCAsmBackend::MCAsmBackend()
16 : HasReliableSymbolDifference(false), HasDataInCodeSupport(false) {}
17
~MCAsmBackend()18 MCAsmBackend::~MCAsmBackend() {}
19
20 const MCFixupKindInfo &
getFixupKindInfo(MCFixupKind Kind) const21 MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
22 static const MCFixupKindInfo Builtins[] = {
23 { "FK_Data_1", 0, 8, 0 },
24 { "FK_Data_2", 0, 16, 0 },
25 { "FK_Data_4", 0, 32, 0 },
26 { "FK_Data_8", 0, 64, 0 },
27 { "FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel },
28 { "FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel },
29 { "FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel },
30 { "FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel },
31 { "FK_GPRel_1", 0, 8, 0 },
32 { "FK_GPRel_2", 0, 16, 0 },
33 { "FK_GPRel_4", 0, 32, 0 },
34 { "FK_GPRel_8", 0, 64, 0 },
35 { "FK_SecRel_1", 0, 8, 0 },
36 { "FK_SecRel_2", 0, 16, 0 },
37 { "FK_SecRel_4", 0, 32, 0 },
38 { "FK_SecRel_8", 0, 64, 0 }
39 };
40
41 assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
42 return Builtins[Kind];
43 }
44