OutStreamer->EmitSLEB128IntValue(Value);
}
-/// EmitULEB128 - emit the specified signed leb128 value.
+/// EmitULEB128 - emit the specified unsigned leb128 value.
void AsmPrinter::EmitULEB128(uint64_t Value, const char *Desc,
unsigned PadTo) const {
if (isVerbose() && Desc)
OutStreamer->EmitULEB128IntValue(Value, PadTo);
}
-/// EmitCFAByte - Emit a .byte 42 directive for a DW_CFA_xxx value.
-void AsmPrinter::EmitCFAByte(unsigned Val) const {
- if (isVerbose()) {
- if (Val >= dwarf::DW_CFA_offset && Val < dwarf::DW_CFA_offset + 64)
- OutStreamer->AddComment("DW_CFA_offset + Reg (" +
- Twine(Val - dwarf::DW_CFA_offset) + ")");
- else
- OutStreamer->AddComment(dwarf::CallFrameString(Val));
- }
- OutStreamer->EmitIntValue(Val, 1);
-}
-
static const char *DecodeDWARFEncoding(unsigned Encoding) {
switch (Encoding) {
case dwarf::DW_EH_PE_absptr:
default:
llvm_unreachable("Invalid encoded value.");
case dwarf::DW_EH_PE_absptr:
- return TM.getDataLayout()->getPointerSize();
+ return MF->getDataLayout().getPointerSize();
case dwarf::DW_EH_PE_udata2:
return 2;
case dwarf::DW_EH_PE_udata4:
OutStreamer->EmitIntValue(0, GetSizeOfEncodedValue(Encoding));
}
-/// EmitSectionOffset - Emit the 4-byte offset of Label from the start of its
-/// section. This can be done with a special directive if the target supports
-/// it (e.g. cygwin) or by emitting it as an offset from a label at the start
-/// of the section.
-///
-/// SectionLabel is a temporary label emitted at the start of the section that
-/// Label lives in.
-void AsmPrinter::emitSectionOffset(const MCSymbol *Label) const {
- // On COFF targets, we have to emit the special .secrel32 directive.
- if (MAI->needsDwarfSectionOffsetDirective()) {
- OutStreamer->EmitCOFFSecRel32(Label);
- return;
+void AsmPrinter::emitDwarfSymbolReference(const MCSymbol *Label,
+ bool ForceOffset) const {
+ if (!ForceOffset) {
+ // On COFF targets, we have to emit the special .secrel32 directive.
+ if (MAI->needsDwarfSectionOffsetDirective()) {
+ OutStreamer->EmitCOFFSecRel32(Label);
+ return;
+ }
+
+ // If the format uses relocations with dwarf, refer to the symbol directly.
+ if (MAI->doesDwarfUseRelocationsAcrossSections()) {
+ OutStreamer->EmitSymbolValue(Label, 4);
+ return;
+ }
}
- // If the format uses relocations with dwarf, refer to the symbol directly.
+ // Otherwise, emit it as a label difference from the start of the section.
+ EmitLabelDifference(Label, Label->getSection().getBeginSymbol(), 4);
+}
+
+void AsmPrinter::emitDwarfStringOffset(DwarfStringPoolEntryRef S) const {
if (MAI->doesDwarfUseRelocationsAcrossSections()) {
- OutStreamer->EmitSymbolValue(Label, 4);
+ emitDwarfSymbolReference(S.getSymbol());
return;
}
- // Otherwise, emit it as a label difference from the start of the section.
- EmitLabelDifference(Label, Label->getSection().getBeginSymbol(), 4);
+ // Just emit the offset directly; no need for symbol math.
+ EmitInt32(S.getOffset());
}
/// EmitDwarfRegOp - Emit dwarf register operation.
case MCCFIInstruction::OpSameValue:
OutStreamer->EmitCFISameValue(Inst.getRegister());
break;
+ case MCCFIInstruction::OpGnuArgsSize:
+ OutStreamer->EmitCFIGnuArgsSize(Inst.getOffset());
+ break;
+ case MCCFIInstruction::OpEscape:
+ OutStreamer->EmitCFIEscape(Inst.getValues());
+ break;
}
}
void AsmPrinter::emitDwarfDIE(const DIE &Die) const {
- // Get the abbreviation for this DIE.
- const DIEAbbrev &Abbrev = Die.getAbbrev();
-
// Emit the code (index) for the abbreviation.
if (isVerbose())
- OutStreamer->AddComment("Abbrev [" + Twine(Abbrev.getNumber()) +
- "] 0x" + Twine::utohexstr(Die.getOffset()) +
- ":0x" + Twine::utohexstr(Die.getSize()) + " " +
- dwarf::TagString(Abbrev.getTag()));
- EmitULEB128(Abbrev.getNumber());
-
- const SmallVectorImpl<DIEValue *> &Values = Die.getValues();
- const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
+ OutStreamer->AddComment("Abbrev [" + Twine(Die.getAbbrevNumber()) + "] 0x" +
+ Twine::utohexstr(Die.getOffset()) + ":0x" +
+ Twine::utohexstr(Die.getSize()) + " " +
+ dwarf::TagString(Die.getTag()));
+ EmitULEB128(Die.getAbbrevNumber());
// Emit the DIE attribute values.
- for (unsigned i = 0, N = Values.size(); i < N; ++i) {
- dwarf::Attribute Attr = AbbrevData[i].getAttribute();
- dwarf::Form Form = AbbrevData[i].getForm();
- assert(Form && "Too many attributes for DIE (check abbreviation)");
+ for (const auto &V : Die.values()) {
+ dwarf::Attribute Attr = V.getAttribute();
+ assert(V.getForm() && "Too many attributes for DIE (check abbreviation)");
if (isVerbose()) {
OutStreamer->AddComment(dwarf::AttributeString(Attr));
if (Attr == dwarf::DW_AT_accessibility)
- OutStreamer->AddComment(dwarf::AccessibilityString(
- cast<DIEInteger>(Values[i])->getValue()));
+ OutStreamer->AddComment(
+ dwarf::AccessibilityString(V.getDIEInteger().getValue()));
}
// Emit an attribute using the defined form.
- Values[i]->EmitValue(this, Form);
+ V.EmitValue(this);
}
// Emit the DIE children if any.
- if (Abbrev.hasChildren()) {
- for (auto &Child : Die.getChildren())
- emitDwarfDIE(*Child);
+ if (Die.hasChildren()) {
+ for (auto &Child : Die.children())
+ emitDwarfDIE(Child);
OutStreamer->AddComment("End Of Children Mark");
EmitInt8(0);
void
AsmPrinter::emitDwarfAbbrevs(const std::vector<DIEAbbrev *>& Abbrevs) const {
- // For each abbrevation.
+ // For each abbreviation.
for (const DIEAbbrev *Abbrev : Abbrevs) {
- // Emit the abbrevations code (base 1 index.)
+ // Emit the abbreviations code (base 1 index.)
EmitULEB128(Abbrev->getNumber(), "Abbreviation Code");
// Emit the abbreviations data.
projects / oota-llvm.git / blobdiff