//===----------------------------------------------------------------------===//
#include "InstPrinter/MipsInstPrinter.h"
+#include "MipsMCTargetDesc.h"
#include "MipsTargetObjectFile.h"
#include "MipsTargetStreamer.h"
-#include "MipsMCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
}
void MipsTargetAsmStreamer::emitDirectiveAbiCalls() { OS << "\t.abicalls\n"; }
+
+void MipsTargetAsmStreamer::emitDirectiveNaN2008() { OS << "\t.nan\t2008\n"; }
+
+void MipsTargetAsmStreamer::emitDirectiveNaNLegacy() {
+ OS << "\t.nan\tlegacy\n";
+}
+
void MipsTargetAsmStreamer::emitDirectiveOptionPic0() {
OS << "\t.option\tpic0\n";
}
+void MipsTargetAsmStreamer::emitDirectiveOptionPic2() {
+ OS << "\t.option\tpic2\n";
+}
+
void MipsTargetAsmStreamer::emitFrame(unsigned StackReg, unsigned StackSize,
unsigned ReturnReg) {
OS << "\t.frame\t$"
<< StringRef(MipsInstPrinter::getRegisterName(ReturnReg)).lower() << '\n';
}
+void MipsTargetAsmStreamer::emitDirectiveSetMips32R2() {
+ OS << "\t.set\tmips32r2\n";
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips64() {
+ OS << "\t.set\tmips64\n";
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips64R2() {
+ OS << "\t.set\tmips64r2\n";
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetDsp() {
+ OS << "\t.set\tdsp\n";
+}
// Print a 32 bit hex number with all numbers.
static void printHex32(unsigned Value, raw_ostream &OS) {
OS << "0x";
MCAssembler &MCA = getStreamer().getAssembler();
uint64_t Features = STI.getFeatureBits();
Triple T(STI.getTargetTriple());
+ Pic = (MCA.getContext().getObjectFileInfo()->getRelocM() == Reloc::PIC_)
+ ? true
+ : false;
// Update e_header flags
unsigned EFlags = 0;
EFlags |= ELF::EF_MIPS_ARCH_64R2;
else if (Features & Mips::FeatureMips64)
EFlags |= ELF::EF_MIPS_ARCH_64;
+ else if (Features & Mips::FeatureMips4)
+ EFlags |= ELF::EF_MIPS_ARCH_4;
else if (Features & Mips::FeatureMips32r2)
EFlags |= ELF::EF_MIPS_ARCH_32R2;
else if (Features & Mips::FeatureMips32)
EFlags |= ELF::EF_MIPS_ABI_O32;
}
+ // Other options.
+ if (Features & Mips::FeatureNaN2008)
+ EFlags |= ELF::EF_MIPS_NAN2008;
+
MCA.setELFHeaderEFlags(EFlags);
}
}
}
+void MipsTargetELFStreamer::emitAssignment(MCSymbol *Symbol,
+ const MCExpr *Value) {
+ // If on rhs is micromips symbol then mark Symbol as microMips.
+ if (Value->getKind() != MCExpr::SymbolRef)
+ return;
+ const MCSymbol &RhsSym =
+ static_cast<const MCSymbolRefExpr *>(Value)->getSymbol();
+ MCSymbolData &Data = getStreamer().getOrCreateSymbolData(&RhsSym);
+ uint8_t Type = MCELF::GetType(Data);
+ if ((Type != ELF::STT_FUNC)
+ || !(MCELF::getOther(Data) & (ELF::STO_MIPS_MICROMIPS >> 2)))
+ return;
+
+ MCSymbolData &SymbolData = getStreamer().getOrCreateSymbolData(Symbol);
+ // 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(SymbolData, ELF::STO_MIPS_MICROMIPS >> 2);
+}
+
MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
return static_cast<MCELFStreamer &>(Streamer);
}
Flags |= ELF::EF_MIPS_CPIC | ELF::EF_MIPS_PIC;
MCA.setELFHeaderEFlags(Flags);
}
+
+void MipsTargetELFStreamer::emitDirectiveNaN2008() {
+ MCAssembler &MCA = getStreamer().getAssembler();
+ unsigned Flags = MCA.getELFHeaderEFlags();
+ Flags |= ELF::EF_MIPS_NAN2008;
+ MCA.setELFHeaderEFlags(Flags);
+}
+
+void MipsTargetELFStreamer::emitDirectiveNaNLegacy() {
+ MCAssembler &MCA = getStreamer().getAssembler();
+ unsigned Flags = MCA.getELFHeaderEFlags();
+ Flags &= ~ELF::EF_MIPS_NAN2008;
+ MCA.setELFHeaderEFlags(Flags);
+}
+
void MipsTargetELFStreamer::emitDirectiveOptionPic0() {
MCAssembler &MCA = getStreamer().getAssembler();
unsigned Flags = MCA.getELFHeaderEFlags();
+ // This option overrides other PIC options like -KPIC.
+ Pic = false;
Flags &= ~ELF::EF_MIPS_PIC;
MCA.setELFHeaderEFlags(Flags);
}
+void MipsTargetELFStreamer::emitDirectiveOptionPic2() {
+ MCAssembler &MCA = getStreamer().getAssembler();
+ unsigned Flags = MCA.getELFHeaderEFlags();
+ Pic = true;
+ // NOTE: We are following the GAS behaviour here which means the directive
+ // 'pic2' also sets the CPIC bit in the ELF header. This is different from
+ // what is stated in the SYSV ABI which consider the bits EF_MIPS_PIC and
+ // EF_MIPS_CPIC to be mutually exclusive.
+ Flags |= ELF::EF_MIPS_PIC | ELF::EF_MIPS_CPIC;
+ MCA.setELFHeaderEFlags(Flags);
+}
+
void MipsTargetELFStreamer::emitFrame(unsigned StackReg, unsigned StackSize,
unsigned ReturnReg) {
// FIXME: implement.
int FPUTopSavedRegOff) {
// FIXME: implement.
}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips32R2() {
+ // No action required for ELF output.
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips64() {
+ // No action required for ELF output.
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips64R2() {
+ // No action required for ELF output.
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetDsp() {
+ // No action required for ELF output.
+}