1 //===-- MCELFObjectTargetWriter.cpp - ELF Target Writer Subclass ----------===//
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/ADT/STLExtras.h"
11 #include "llvm/MC/MCELFObjectWriter.h"
12 #include "llvm/MC/MCExpr.h"
13 #include "llvm/MC/MCValue.h"
14
15 using namespace llvm;
16
MCELFObjectTargetWriter(bool Is64Bit_,uint8_t OSABI_,uint16_t EMachine_,bool HasRelocationAddend_,bool IsN64_)17 MCELFObjectTargetWriter::MCELFObjectTargetWriter(bool Is64Bit_,
18 uint8_t OSABI_,
19 uint16_t EMachine_,
20 bool HasRelocationAddend_,
21 bool IsN64_)
22 : OSABI(OSABI_), EMachine(EMachine_),
23 HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_),
24 IsN64(IsN64_){
25 }
26
ExplicitRelSym(const MCAssembler & Asm,const MCValue & Target,const MCFragment & F,const MCFixup & Fixup,bool IsPCRel) const27 const MCSymbol *MCELFObjectTargetWriter::ExplicitRelSym(const MCAssembler &Asm,
28 const MCValue &Target,
29 const MCFragment &F,
30 const MCFixup &Fixup,
31 bool IsPCRel) const {
32 return NULL;
33 }
34
undefinedExplicitRelSym(const MCValue & Target,const MCFixup & Fixup,bool IsPCRel) const35 const MCSymbol *MCELFObjectTargetWriter::undefinedExplicitRelSym(const MCValue &Target,
36 const MCFixup &Fixup,
37 bool IsPCRel) const {
38 const MCSymbol &Symbol = Target.getSymA()->getSymbol();
39 return &Symbol.AliasedSymbol();
40 }
41
adjustFixupOffset(const MCFixup & Fixup,uint64_t & RelocOffset)42 void MCELFObjectTargetWriter::adjustFixupOffset(const MCFixup &Fixup,
43 uint64_t &RelocOffset) {
44 }
45
46 void
sortRelocs(const MCAssembler & Asm,std::vector<ELFRelocationEntry> & Relocs)47 MCELFObjectTargetWriter::sortRelocs(const MCAssembler &Asm,
48 std::vector<ELFRelocationEntry> &Relocs) {
49 // Sort by the r_offset, just like gnu as does.
50 array_pod_sort(Relocs.begin(), Relocs.end());
51 }
52