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//===-- MipsELFStreamer.cpp - MipsELFStreamer ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===-------------------------------------------------------------------===//
#include "MipsSubtarget.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCELFSymbolFlags.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
namespace {
class MipsELFStreamer : public MCELFStreamer {
public:
MipsELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_ostream &OS,
MCCodeEmitter *Emitter, bool RelaxAll, bool NoExecStack)
: MCELFStreamer(Context, TAB, OS, Emitter) {}
~MipsELFStreamer() {}
void emitMipsHackELFFlags(unsigned Flags);
void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
};
}
namespace llvm {
MCELFStreamer *createMipsELFStreamer(MCContext &Context, MCAsmBackend &TAB,
raw_ostream &OS, MCCodeEmitter *Emitter,
bool RelaxAll, bool NoExecStack) {
MipsELFStreamer *S =
new MipsELFStreamer(Context, TAB, OS, Emitter, RelaxAll, NoExecStack);
return S;
}
} // namespace llvm
void MipsELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
MCAssembler &MCA = getAssembler();
MCA.setELFHeaderEFlags(Flags);
}
// Set a symbol's STO flags
void MipsELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
MCSymbolData &Data = getOrCreateSymbolData(Sym);
// The "other" values are stored in the last 6 bits of the second byte
// The traditional defines for STO values assume the full byte and thus
// the shift to pack it.
MCELF::setOther(Data, Val >> 2);
}
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