llvm-mirror/lib/MC/MCELFObjectTargetWriter.cpp
Akira Hatanaka d848fb8bf9 Add a hook in MCELFObjectTargetWriter to allow targets to sort relocation
entries in the relocation table before they are written out to the file. 

llvm-svn: 153345
2012-03-23 23:06:45 +00:00

47 lines
1.7 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"
using namespace llvm;
MCELFObjectTargetWriter::MCELFObjectTargetWriter(bool Is64Bit_,
uint8_t OSABI_,
uint16_t EMachine_,
bool HasRelocationAddend_)
: OSABI(OSABI_), EMachine(EMachine_),
HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_) {
}
/// 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;
}
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());
}