llvm-project/llvm/lib/MC/MCELFObjectTargetWriter.cpp

57 lines
2.2 KiB
C++

//===-- MCELFObjectTargetWriter.cpp - ELF Target Writer Subclass ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
using namespace llvm;
MCELFObjectTargetWriter::MCELFObjectTargetWriter(bool Is64Bit_,
uint8_t OSABI_,
uint16_t EMachine_,
bool HasRelocationAddend_,
bool IsN64_)
: OSABI(OSABI_), EMachine(EMachine_),
HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_),
IsN64(IsN64_){
}
/// Default e_flags = 0
unsigned MCELFObjectTargetWriter::getEFlags() const {
return 0;
}
const MCSymbol *MCELFObjectTargetWriter::ExplicitRelSym(const MCAssembler &Asm,
const MCValue &Target,
const MCFragment &F,
const MCFixup &Fixup,
bool IsPCRel) const {
return NULL;
}
const MCSymbol *MCELFObjectTargetWriter::undefinedExplicitRelSym(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
const MCSymbol &Symbol = Target.getSymA()->getSymbol();
return &Symbol.AliasedSymbol();
}
void MCELFObjectTargetWriter::adjustFixupOffset(const MCFixup &Fixup,
uint64_t &RelocOffset) {
}
void
MCELFObjectTargetWriter::sortRelocs(const MCAssembler &Asm,
std::vector<ELFRelocationEntry> &Relocs) {
// Sort by the r_offset, just like gnu as does.
array_pod_sort(Relocs.begin(), Relocs.end());
}