MipsTargetStreamer.cpp [plain text]
#include "MipsTargetStreamer.h"
#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
using namespace llvm;
static cl::opt<bool> PrintHackDirectives("print-hack-directives",
cl::init(false), cl::Hidden);
void MipsTargetStreamer::anchor() {}
MipsTargetStreamer::MipsTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
MipsTargetAsmStreamer::MipsTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS)
: MipsTargetStreamer(S), OS(OS) {}
void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) {
if (!PrintHackDirectives)
return;
OS << "\t.mips_hack_elf_flags 0x";
OS.write_hex(Flags);
OS << '\n';
}
void MipsTargetAsmStreamer::emitDirectiveSetMicroMips() {
OS << "\t.set\tmicromips\n";
}
void MipsTargetAsmStreamer::emitDirectiveSetNoMicroMips() {
OS << "\t.set\tnomicromips\n";
}
void MipsTargetAsmStreamer::emitDirectiveSetMips16() {
OS << "\t.set\tmips16\n";
}
void MipsTargetAsmStreamer::emitDirectiveSetNoMips16() {
OS << "\t.set\tnomips16\n";
}
void MipsTargetAsmStreamer::emitDirectiveEnt(const MCSymbol &Symbol) {
OS << "\t.ent\t" << Symbol.getName() << '\n';
}
void MipsTargetAsmStreamer::emitDirectiveAbiCalls() { OS << "\t.abicalls\n"; }
void MipsTargetAsmStreamer::emitDirectiveOptionPic0() {
OS << "\t.option\tpic0\n";
}
MipsTargetELFStreamer::MipsTargetELFStreamer(MCStreamer &S)
: MipsTargetStreamer(S), MicroMipsEnabled(false) {}
void MipsTargetELFStreamer::emitLabel(MCSymbol *Symbol) {
if (!isMicroMipsEnabled())
return;
MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Symbol);
uint8_t Type = MCELF::GetType(Data);
if (Type != ELF::STT_FUNC)
return;
MCELF::setOther(Data, ELF::STO_MIPS_MICROMIPS >> 2);
}
MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
return static_cast<MCELFStreamer &>(Streamer);
}
void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
MCAssembler &MCA = getStreamer().getAssembler();
MCA.setELFHeaderEFlags(Flags);
}
void MipsTargetELFStreamer::emitDirectiveSetMicroMips() {
MicroMipsEnabled = true;
}
void MipsTargetELFStreamer::emitDirectiveSetNoMicroMips() {
MicroMipsEnabled = false;
}
void MipsTargetELFStreamer::emitDirectiveSetMips16() {
}
void MipsTargetELFStreamer::emitDirectiveSetNoMips16() {
}
void MipsTargetELFStreamer::emitDirectiveEnt(const MCSymbol &Symbol) {
}
void MipsTargetELFStreamer::emitDirectiveAbiCalls() {
MCAssembler &MCA = getStreamer().getAssembler();
unsigned Flags = MCA.getELFHeaderEFlags();
Flags |= ELF::EF_MIPS_CPIC;
MCA.setELFHeaderEFlags(Flags);
}
void MipsTargetELFStreamer::emitDirectiveOptionPic0() {
MCAssembler &MCA = getStreamer().getAssembler();
unsigned Flags = MCA.getELFHeaderEFlags();
Flags &= ~ELF::EF_MIPS_PIC;
MCA.setELFHeaderEFlags(Flags);
}