#include "llvm/IR/DataLayout.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Instructions.h"
+#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
using namespace llvm;
MipsTargetStreamer &MipsAsmPrinter::getTargetStreamer() {
- return static_cast<MipsTargetStreamer &>(OutStreamer.getTargetStreamer());
+ return static_cast<MipsTargetStreamer &>(*OutStreamer.getTargetStreamer());
}
bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
MCInst TmpInst0;
MCInstLowering.Lower(I, TmpInst0);
- OutStreamer.EmitInstruction(TmpInst0);
+ EmitToStreamer(OutStreamer, TmpInst0);
} while ((++I != E) && I->isInsideBundle()); // Delay slot check
}
// Create a bitmask with all callee saved registers for CPU or Floating Point
// registers. For CPU registers consider RA, GP and FP for saving if necessary.
-void MipsAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
+void MipsAsmPrinter::printSavedRegsBitmask() {
// CPU and FPU Saved Registers Bitmasks
unsigned CPUBitmask = 0, FPUBitmask = 0;
int CPUTopSavedRegOff, FPUTopSavedRegOff;
// CPU Regs are saved below FP Regs.
CPUTopSavedRegOff = CPUBitmask ? -CSFPRegsSize - CPURegSize : 0;
+ MipsTargetStreamer &TS = getTargetStreamer();
// Print CPUBitmask
- O << "\t.mask \t"; printHex32(CPUBitmask, O);
- O << ',' << CPUTopSavedRegOff << '\n';
+ TS.emitMask(CPUBitmask, CPUTopSavedRegOff);
// Print FPUBitmask
- O << "\t.fmask\t"; printHex32(FPUBitmask, O);
- O << "," << FPUTopSavedRegOff << '\n';
-}
-
-// Print a 32 bit hex number with all numbers.
-void MipsAsmPrinter::printHex32(unsigned Value, raw_ostream &O) {
- O << "0x";
- for (int i = 7; i >= 0; i--)
- O.write_hex((Value & (0xF << (i*4))) >> (i*4));
+ TS.emitFMask(FPUBitmask, FPUTopSavedRegOff);
}
//===----------------------------------------------------------------------===//
unsigned returnReg = RI.getRARegister();
unsigned stackSize = MF->getFrameInfo()->getStackSize();
- if (OutStreamer.hasRawTextSupport())
- OutStreamer.EmitRawText("\t.frame\t$" +
- StringRef(MipsInstPrinter::getRegisterName(stackReg)).lower() +
- "," + Twine(stackSize) + ",$" +
- StringRef(MipsInstPrinter::getRegisterName(returnReg)).lower());
+ getTargetStreamer().emitFrame(stackReg, stackSize, returnReg);
}
/// Emit Set directives.
}
void MipsAsmPrinter::EmitFunctionEntryLabel() {
- if (OutStreamer.hasRawTextSupport()) {
- if (Subtarget->inMips16Mode())
- OutStreamer.EmitRawText(StringRef("\t.set\tmips16"));
- else
- OutStreamer.EmitRawText(StringRef("\t.set\tnomips16"));
- // leave out until FSF available gas has micromips changes
- // OutStreamer.EmitRawText(StringRef("\t.set\tnomicromips"));
- OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
- }
-
+ MipsTargetStreamer &TS = getTargetStreamer();
if (Subtarget->inMicroMipsMode())
- getTargetStreamer().emitMipsHackSTOCG(CurrentFnSym,
- (unsigned)ELF::STO_MIPS_MICROMIPS);
+ TS.emitDirectiveSetMicroMips();
+ // leave out until FSF available gas has micromips changes
+ // else
+ // TS.emitDirectiveSetNoMicroMips();
+
+ if (Subtarget->inMips16Mode())
+ TS.emitDirectiveSetMips16();
+ else
+ TS.emitDirectiveSetNoMips16();
+
+ TS.emitDirectiveEnt(*CurrentFnSym);
OutStreamer.EmitLabel(CurrentFnSym);
}
/// EmitFunctionBodyStart - Targets can override this to emit stuff before
/// the first basic block in the function.
void MipsAsmPrinter::EmitFunctionBodyStart() {
+ MipsTargetStreamer &TS = getTargetStreamer();
+
MCInstLowering.Initialize(&MF->getContext());
bool IsNakedFunction =
if (!IsNakedFunction)
emitFrameDirective();
- if (OutStreamer.hasRawTextSupport()) {
- SmallString<128> Str;
- raw_svector_ostream OS(Str);
- if (!IsNakedFunction)
- printSavedRegsBitmask(OS);
- OutStreamer.EmitRawText(OS.str());
- if (!Subtarget->inMips16Mode()) {
- OutStreamer.EmitRawText(StringRef("\t.set\tnoreorder"));
- OutStreamer.EmitRawText(StringRef("\t.set\tnomacro"));
- OutStreamer.EmitRawText(StringRef("\t.set\tnoat"));
- }
+ if (!IsNakedFunction)
+ printSavedRegsBitmask();
+
+ if (!Subtarget->inMips16Mode()) {
+ TS.emitDirectiveSetNoReorder();
+ TS.emitDirectiveSetNoMacro();
+ TS.emitDirectiveSetNoAt();
}
}
/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
/// the last basic block in the function.
void MipsAsmPrinter::EmitFunctionBodyEnd() {
+ MipsTargetStreamer &TS = getTargetStreamer();
+
// There are instruction for this macros, but they must
// always be at the function end, and we can't emit and
// break with BB logic.
- if (OutStreamer.hasRawTextSupport()) {
- if (!Subtarget->inMips16Mode()) {
- OutStreamer.EmitRawText(StringRef("\t.set\tat"));
- OutStreamer.EmitRawText(StringRef("\t.set\tmacro"));
- OutStreamer.EmitRawText(StringRef("\t.set\treorder"));
- }
- OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
+ if (!Subtarget->inMips16Mode()) {
+ TS.emitDirectiveSetAt();
+ TS.emitDirectiveSetMacro();
+ TS.emitDirectiveSetReorder();
}
+ TS.emitDirectiveEnd(CurrentFnSym->getName());
// Make sure to terminate any constant pools that were at the end
// of the function.
if (!InConstantPool)
void MipsAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
+ const DataLayout *DL = TM.getDataLayout();
const MachineOperand &MO = MI->getOperand(opNum);
bool closeP = false;
break;
}
- case MachineOperand::MO_ExternalSymbol:
- O << *GetExternalSymbolSymbol(MO.getSymbolName());
- break;
-
- case MachineOperand::MO_JumpTableIndex:
- O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << MO.getIndex();
- break;
-
case MachineOperand::MO_ConstantPoolIndex:
- O << MAI->getPrivateGlobalPrefix() << "CPI"
+ O << DL->getPrivateGlobalPrefix() << "CPI"
<< getFunctionNumber() << "_" << MO.getIndex();
if (MO.getOffset())
O << "+" << MO.getOffset();
}
void MipsAsmPrinter::EmitStartOfAsmFile(Module &M) {
- // FIXME: Use SwitchSection.
-
// TODO: Need to add -mabicalls and -mno-abicalls flags.
// Currently we assume that -mabicalls is the default.
- if (OutStreamer.hasRawTextSupport()) {
- OutStreamer.EmitRawText(StringRef("\t.abicalls"));
- Reloc::Model RM = Subtarget->getRelocationModel();
- if (RM == Reloc::Static && !Subtarget->hasMips64())
- OutStreamer.EmitRawText(StringRef("\t.option\tpic0"));
- }
+ getTargetStreamer().emitDirectiveAbiCalls();
+ Reloc::Model RM = Subtarget->getRelocationModel();
+ if (RM == Reloc::Static && !Subtarget->hasMips64())
+ getTargetStreamer().emitDirectiveOptionPic0();
// Tell the assembler which ABI we are using
- if (OutStreamer.hasRawTextSupport())
- OutStreamer.EmitRawText("\t.section .mdebug." +
- Twine(getCurrentABIString()));
+ std::string SectionName = std::string(".mdebug.") + getCurrentABIString();
+ OutStreamer.SwitchSection(OutContext.getELFSection(
+ SectionName, ELF::SHT_PROGBITS, 0, SectionKind::getDataRel()));
// TODO: handle O64 ABI
- if (OutStreamer.hasRawTextSupport()) {
- if (Subtarget->isABI_EABI()) {
- if (Subtarget->isGP32bit())
- OutStreamer.EmitRawText(StringRef("\t.section .gcc_compiled_long32"));
- else
- OutStreamer.EmitRawText(StringRef("\t.section .gcc_compiled_long64"));
- }
- }
-
- // return to previous section
- if (OutStreamer.hasRawTextSupport())
- OutStreamer.EmitRawText(StringRef("\t.previous"));
-
-}
-
-static void emitELFHeaderFlagsCG(MipsTargetStreamer &TargetStreamer,
- const MipsSubtarget &Subtarget) {
- // Update e_header flags
- unsigned EFlags = 0;
-
- // TODO: Need to add -mabicalls and -mno-abicalls flags.
- // Currently we assume that -mabicalls is the default.
- EFlags |= ELF::EF_MIPS_CPIC;
-
- if (Subtarget.inMips16Mode())
- EFlags |= ELF::EF_MIPS_ARCH_ASE_M16;
- else
- EFlags |= ELF::EF_MIPS_NOREORDER;
-
- // Architecture
- if (Subtarget.hasMips64r2())
- EFlags |= ELF::EF_MIPS_ARCH_64R2;
- else if (Subtarget.hasMips64())
- EFlags |= ELF::EF_MIPS_ARCH_64;
- else if (Subtarget.hasMips32r2())
- EFlags |= ELF::EF_MIPS_ARCH_32R2;
- else
- EFlags |= ELF::EF_MIPS_ARCH_32;
- if (Subtarget.inMicroMipsMode())
- EFlags |= ELF::EF_MIPS_MICROMIPS;
-
- // ABI
- if (Subtarget.isABI_O32())
- EFlags |= ELF::EF_MIPS_ABI_O32;
-
- // Relocation Model
- Reloc::Model RM = Subtarget.getRelocationModel();
- if (RM == Reloc::PIC_ || RM == Reloc::Default)
- EFlags |= ELF::EF_MIPS_PIC;
- else if (RM == Reloc::Static)
- ; // Do nothing for Reloc::Static
- else
- llvm_unreachable("Unsupported relocation model for e_flags");
+ if (Subtarget->isABI_EABI()) {
+ if (Subtarget->isGP32bit())
+ OutStreamer.SwitchSection(
+ OutContext.getELFSection(".gcc_compiled_long32", ELF::SHT_PROGBITS, 0,
+ SectionKind::getDataRel()));
+ else
+ OutStreamer.SwitchSection(
+ OutContext.getELFSection(".gcc_compiled_long64", ELF::SHT_PROGBITS, 0,
+ SectionKind::getDataRel()));
+ }
- TargetStreamer.emitMipsHackELFFlags(EFlags);
+ // return to the text section
+ OutStreamer.SwitchSection(OutContext.getObjectFileInfo()->getTextSection());
}
void MipsAsmPrinter::EmitEndOfAsmFile(Module &M) {
// Emit Mips ELF register info
Subtarget->getMReginfo().emitMipsReginfoSectionCG(
OutStreamer, getObjFileLowering(), *Subtarget);
- emitELFHeaderFlagsCG(getTargetStreamer(), *Subtarget);
}
void MipsAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
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