void AsmPrinter::emitCFIInstruction(const MCCFIInstruction &Inst) const {
switch (Inst.getOperation()) {
default:
llvm_unreachable("Unexpected instruction");
case MCCFIInstruction::OpDefCfaOffset:
OutStreamer.EmitCFIDefCfaOffset(Inst.getOffset());
break;
case MCCFIInstruction::OpDefCfa:
OutStreamer.EmitCFIDefCfa(Inst.getRegister(), Inst.getOffset());
break;
case MCCFIInstruction::OpDefCfaRegister:
OutStreamer.EmitCFIDefCfaRegister(Inst.getRegister());
break;
case MCCFIInstruction::OpOffset:
OutStreamer.EmitCFIOffset(Inst.getRegister(), Inst.getOffset());
break;
case MCCFIInstruction::OpRealignedOffset:
OutStreamer.EmitCFIRealignedOffset(Inst.getRegister(), Inst.getOffset(),
Inst.getAlign(), Inst.getOffset2());
break;
case MCCFIInstruction::OpRegister:
OutStreamer.EmitCFIRegister(Inst.getRegister(), Inst.getRegister2());
break;
case MCCFIInstruction::OpWindowSave:
OutStreamer.EmitCFIWindowSave();
break;
case MCCFIInstruction::OpSameValue:
OutStreamer.EmitCFISameValue(Inst.getRegister());
break;
}
}
void AsmPrinter::emitCFIInstruction(const MCCFIInstruction &Inst) const {
switch (Inst.getOperation()) {
default:
llvm_unreachable("Unexpected instruction");
case MCCFIInstruction::OpDefCfaOffset:
OutStreamer->EmitCFIDefCfaOffset(Inst.getOffset());
break;
case MCCFIInstruction::OpAdjustCfaOffset:
OutStreamer->EmitCFIAdjustCfaOffset(Inst.getOffset());
break;
case MCCFIInstruction::OpDefCfa:
OutStreamer->EmitCFIDefCfa(Inst.getRegister(), Inst.getOffset());
break;
case MCCFIInstruction::OpDefCfaRegister:
OutStreamer->EmitCFIDefCfaRegister(Inst.getRegister());
break;
case MCCFIInstruction::OpOffset:
OutStreamer->EmitCFIOffset(Inst.getRegister(), Inst.getOffset());
break;
case MCCFIInstruction::OpRegister:
OutStreamer->EmitCFIRegister(Inst.getRegister(), Inst.getRegister2());
break;
case MCCFIInstruction::OpWindowSave:
OutStreamer->EmitCFIWindowSave();
break;
case MCCFIInstruction::OpSameValue:
OutStreamer->EmitCFISameValue(Inst.getRegister());
break;
case MCCFIInstruction::OpGnuArgsSize:
OutStreamer->EmitCFIGnuArgsSize(Inst.getOffset());
break;
case MCCFIInstruction::OpEscape:
OutStreamer->EmitCFIEscape(Inst.getValues());
break;
}
}
static void printCFI(raw_ostream &OS, const MCCFIInstruction &CFI,
const TargetRegisterInfo *TRI) {
switch (CFI.getOperation()) {
case MCCFIInstruction::OpSameValue:
OS << "same_value ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
break;
case MCCFIInstruction::OpRememberState:
OS << "remember_state ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
break;
case MCCFIInstruction::OpRestoreState:
OS << "restore_state ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
break;
case MCCFIInstruction::OpOffset:
OS << "offset ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
OS << ", " << CFI.getOffset();
break;
case MCCFIInstruction::OpDefCfaRegister:
OS << "def_cfa_register ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
break;
case MCCFIInstruction::OpDefCfaOffset:
OS << "def_cfa_offset ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
OS << CFI.getOffset();
break;
case MCCFIInstruction::OpDefCfa:
OS << "def_cfa ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
OS << ", " << CFI.getOffset();
break;
case MCCFIInstruction::OpRelOffset:
OS << "rel_offset ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
OS << ", " << CFI.getOffset();
break;
case MCCFIInstruction::OpAdjustCfaOffset:
OS << "adjust_cfa_offset ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
OS << CFI.getOffset();
break;
case MCCFIInstruction::OpRestore:
OS << "restore ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
break;
case MCCFIInstruction::OpEscape: {
OS << "escape ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
if (!CFI.getValues().empty()) {
size_t e = CFI.getValues().size() - 1;
for (size_t i = 0; i < e; ++i)
OS << format("0x%02x", uint8_t(CFI.getValues()[i])) << ", ";
OS << format("0x%02x", uint8_t(CFI.getValues()[e])) << ", ";
}
break;
}
case MCCFIInstruction::OpUndefined:
OS << "undefined ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
break;
case MCCFIInstruction::OpRegister:
OS << "register ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
printCFIRegister(CFI.getRegister(), OS, TRI);
OS << ", ";
printCFIRegister(CFI.getRegister2(), OS, TRI);
break;
case MCCFIInstruction::OpWindowSave:
OS << "window_save ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
break;
case MCCFIInstruction::OpNegateRAState:
OS << "negate_ra_sign_state ";
if (MCSymbol *Label = CFI.getLabel())
MachineOperand::printSymbol(OS, *Label);
break;
default:
// TODO: Print the other CFI Operations.
OS << "<unserializable cfi directive>";
break;
}
}
