本文整理汇总了C++中MCStreamer::AddComment方法的典型用法代码示例。如果您正苦于以下问题：C++ MCStreamer::AddComment方法的具体用法？C++ MCStreamer::AddComment怎么用？C++ MCStreamer::AddComment使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MCStreamer的用法示例。
在下文中一共展示了MCStreamer::AddComment方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: emitType
/// Emit a BTF common type.
void BTFTypeBase::emitType(MCStreamer &OS) {
OS.AddComment(std::string(BTFKindStr[Kind]) + "(id = " + std::to_string(Id) +
")");
OS.EmitIntValue(BTFType.NameOff, 4);
OS.AddComment("0x" + Twine::utohexstr(BTFType.Info));
OS.EmitIntValue(BTFType.Info, 4);
OS.EmitIntValue(BTFType.Size, 4);
}示例2: EmitCFIInstructions
/// EmitFrameMoves - Emit frame instructions to describe the layout of the
/// frame.
void EmitCFIInstructions(MCStreamer &streamer,
const std::vector<MCCFIInstruction> &Instrs,
MCSymbol *BaseLabel,
const std::vector<MCSymbol*> *Labels,
int &CFAOffset,
int DataAlignmentFactor) {
for (unsigned i = 0, N = Instrs.size(); i < N; ++i) {
const MCCFIInstruction &Instr = Instrs[i];
MCSymbol *Label = Labels ? ((*Labels)[i]) : NULL;
// Throw out move if the label is invalid.
//if (Label && !Label->isDefined()) continue; // Not emitted, in dead code.
// Advance row if new location.
if (BaseLabel && Label) {
MCSymbol *ThisSym = Label;
if (ThisSym != BaseLabel) {
streamer.AddComment ("cfa_advance");
streamer.EmitDwarfAdvanceFrameAddr(BaseLabel, ThisSym);
BaseLabel = ThisSym;
}
}
EmitCFIInstruction(streamer, Instr, CFAOffset, DataAlignmentFactor);
}
}示例3: EmitCFIInstruction
void EmitCFIInstruction(MCStreamer &Streamer,
const MCCFIInstruction &Instr,
int &CFAOffset, int DataAlignmentFactor) {
// Same as MCDwarf::EmitCFIInstruction ()
// FIXME: Unify
int dataAlignmentFactor = DataAlignmentFactor;
bool VerboseAsm = Streamer.isVerboseAsm();
switch (Instr.getOperation()) {
case MCCFIInstruction::OpWindowSave: {
Streamer.EmitIntValue(dwarf::DW_CFA_GNU_window_save, 1);
return;
}
case MCCFIInstruction::OpUndefined: {
unsigned Reg = Instr.getRegister();
if (VerboseAsm) {
Streamer.AddComment("DW_CFA_undefined");
Streamer.AddComment(Twine("Reg ") + Twine(Reg));
}
Streamer.EmitIntValue(dwarf::DW_CFA_undefined, 1);
Streamer.EmitULEB128IntValue(Reg);
return;
}
case MCCFIInstruction::OpAdjustCfaOffset:
case MCCFIInstruction::OpDefCfaOffset: {
const bool IsRelative =
Instr.getOperation() == MCCFIInstruction::OpAdjustCfaOffset;
if (VerboseAsm)
Streamer.AddComment("DW_CFA_def_cfa_offset");
Streamer.EmitIntValue(dwarf::DW_CFA_def_cfa_offset, 1);
if (IsRelative)
CFAOffset += Instr.getOffset();
else
// The backends pass in a negative value,
// then createDefCfaOffset () negates it
CFAOffset = Instr.getOffset();
if (VerboseAsm)
Streamer.AddComment(Twine("Offset " + Twine(CFAOffset)));
Streamer.EmitULEB128IntValue(CFAOffset);
return;
}
case MCCFIInstruction::OpDefCfa: {
if (VerboseAsm)
Streamer.AddComment("DW_CFA_def_cfa");
Streamer.EmitIntValue(dwarf::DW_CFA_def_cfa, 1);
if (VerboseAsm)
Streamer.AddComment(Twine("Reg ") + Twine(Instr.getRegister()));
Streamer.EmitULEB128IntValue(Instr.getRegister());
// Backends pass a negative value to createDefCfa () which
// negates it back
CFAOffset = Instr.getOffset();
if (VerboseAsm)
Streamer.AddComment(Twine("Offset " + Twine(CFAOffset)));
Streamer.EmitULEB128IntValue(CFAOffset);
return;
}
case MCCFIInstruction::OpDefCfaRegister: {
if (VerboseAsm)
Streamer.AddComment("DW_CFA_def_cfa_register");
Streamer.EmitIntValue(dwarf::DW_CFA_def_cfa_register, 1);
if (VerboseAsm)
Streamer.AddComment(Twine("Reg ") + Twine(Instr.getRegister()));
Streamer.EmitULEB128IntValue(Instr.getRegister());
return;
}
case MCCFIInstruction::OpOffset:
case MCCFIInstruction::OpRelOffset: {
const bool IsRelative =
Instr.getOperation() == MCCFIInstruction::OpRelOffset;
unsigned Reg = Instr.getRegister();
int Offset = Instr.getOffset();
if (IsRelative)
Offset -= CFAOffset;
Offset = Offset / dataAlignmentFactor;
if (Offset < 0) {
if (VerboseAsm) Streamer.AddComment("DW_CFA_offset_extended_sf");
Streamer.EmitIntValue(dwarf::DW_CFA_offset_extended_sf, 1);
if (VerboseAsm) Streamer.AddComment(Twine("Reg ") + Twine(Reg));
Streamer.EmitULEB128IntValue(Reg);
if (VerboseAsm) Streamer.AddComment(Twine("Offset ") + Twine(Offset));
Streamer.EmitSLEB128IntValue(Offset);
} else if (Reg < 64) {
if (VerboseAsm) Streamer.AddComment(Twine("DW_CFA_offset + Reg(") +
Twine(Reg) + ")");
Streamer.EmitIntValue(dwarf::DW_CFA_offset + Reg, 1);
if (VerboseAsm) Streamer.AddComment(Twine("Offset ") + Twine(Offset));
//.........这里部分代码省略.........