//===----------------------------------------------------------------------===//
//
// Data structures for DWARF info entries.
-//
+//
//===----------------------------------------------------------------------===//
#include "DIE.h"
-#include "DwarfPrinter.h"
#include "llvm/ADT/Twine.h"
#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/Support/Allocator.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
/// Emit - Print the abbreviation using the specified asm printer.
///
-void DIEAbbrev::Emit(const AsmPrinter *Asm) const {
+void DIEAbbrev::Emit(AsmPrinter *AP) const {
// Emit its Dwarf tag type.
- Asm->EmitULEB128Bytes(Tag);
- Asm->EOL(dwarf::TagString(Tag));
+ // FIXME: Doing work even in non-asm-verbose runs.
+ AP->EmitULEB128(Tag, dwarf::TagString(Tag));
// Emit whether it has children DIEs.
- Asm->EmitULEB128Bytes(ChildrenFlag);
- Asm->EOL(dwarf::ChildrenString(ChildrenFlag));
+ // FIXME: Doing work even in non-asm-verbose runs.
+ AP->EmitULEB128(ChildrenFlag, dwarf::ChildrenString(ChildrenFlag));
// For each attribute description.
for (unsigned i = 0, N = Data.size(); i < N; ++i) {
const DIEAbbrevData &AttrData = Data[i];
// Emit attribute type.
- Asm->EmitULEB128Bytes(AttrData.getAttribute());
- Asm->EOL(dwarf::AttributeString(AttrData.getAttribute()));
+ // FIXME: Doing work even in non-asm-verbose runs.
+ AP->EmitULEB128(AttrData.getAttribute(),
+ dwarf::AttributeString(AttrData.getAttribute()));
// Emit form type.
- Asm->EmitULEB128Bytes(AttrData.getForm());
- Asm->EOL(dwarf::FormEncodingString(AttrData.getForm()));
+ // FIXME: Doing work even in non-asm-verbose runs.
+ AP->EmitULEB128(AttrData.getForm(),
+ dwarf::FormEncodingString(AttrData.getForm()));
}
// Mark end of abbreviation.
- Asm->EmitULEB128Bytes(0); Asm->EOL("EOM(1)");
- Asm->EmitULEB128Bytes(0); Asm->EOL("EOM(2)");
+ AP->EmitULEB128(0, "EOM(1)");
+ AP->EmitULEB128(0, "EOM(2)");
}
#ifndef NDEBUG
delete Children[i];
}
-/// addSiblingOffset - Add a sibling offset field to the front of the DIE.
-///
-void DIE::addSiblingOffset() {
- DIEInteger *DI = new DIEInteger(0);
- Values.insert(Values.begin(), DI);
- Abbrev.AddFirstAttribute(dwarf::DW_AT_sibling, dwarf::DW_FORM_ref4);
-}
-
#ifndef NDEBUG
void DIE::print(raw_ostream &O, unsigned IncIndent) {
IndentCount += IncIndent;
<< "Die: "
<< format("0x%lx", (long)(intptr_t)this)
<< ", Offset: " << Offset
- << ", Size: " << Size
- << "\n";
+ << ", Size: " << Size << "\n";
O << Indent
<< dwarf::TagString(Abbrev.getTag())
<< " "
- << dwarf::ChildrenString(Abbrev.getChildrenFlag());
+ << dwarf::ChildrenString(Abbrev.getChildrenFlag()) << "\n";
} else {
- O << "Size: " << Size;
+ O << "Size: " << Size << "\n";
}
- O << "\n";
const SmallVector<DIEAbbrevData, 8> &Data = Abbrev.getData();
}
#endif
+void DIEValue::anchor() { }
#ifndef NDEBUG
void DIEValue::dump() {
/// EmitValue - Emit integer of appropriate size.
///
-void DIEInteger::EmitValue(DwarfPrinter *D, unsigned Form) const {
- const AsmPrinter *Asm = D->getAsm();
+void DIEInteger::EmitValue(AsmPrinter *Asm, unsigned Form) const {
unsigned Size = ~0U;
switch (Form) {
+ case dwarf::DW_FORM_flag_present:
+ // Emit something to keep the lines and comments in sync.
+ // FIXME: Is there a better way to do this?
+ if (Asm->OutStreamer.hasRawTextSupport())
+ Asm->OutStreamer.EmitRawText(StringRef(""));
+ return;
case dwarf::DW_FORM_flag: // Fall thru
case dwarf::DW_FORM_ref1: // Fall thru
case dwarf::DW_FORM_data1: Size = 1; break;
case dwarf::DW_FORM_data4: Size = 4; break;
case dwarf::DW_FORM_ref8: // Fall thru
case dwarf::DW_FORM_data8: Size = 8; break;
- case dwarf::DW_FORM_udata: Asm->EmitULEB128Bytes(Integer); return;
- case dwarf::DW_FORM_sdata: Asm->EmitSLEB128Bytes(Integer); return;
+ case dwarf::DW_FORM_GNU_str_index: Asm->EmitULEB128(Integer); return;
+ case dwarf::DW_FORM_GNU_addr_index: Asm->EmitULEB128(Integer); return;
+ case dwarf::DW_FORM_udata: Asm->EmitULEB128(Integer); return;
+ case dwarf::DW_FORM_sdata: Asm->EmitSLEB128(Integer); return;
+ case dwarf::DW_FORM_addr:
+ Size = Asm->getDataLayout().getPointerSize(); break;
default: llvm_unreachable("DIE Value form not supported yet");
}
- Asm->OutStreamer.EmitIntValue(Integer, Size, 0/*addrspace*/);
+ Asm->OutStreamer.EmitIntValue(Integer, Size);
}
/// SizeOf - Determine size of integer value in bytes.
///
-unsigned DIEInteger::SizeOf(const TargetData *TD, unsigned Form) const {
+unsigned DIEInteger::SizeOf(AsmPrinter *AP, unsigned Form) const {
switch (Form) {
+ case dwarf::DW_FORM_flag_present: return 0;
case dwarf::DW_FORM_flag: // Fall thru
case dwarf::DW_FORM_ref1: // Fall thru
case dwarf::DW_FORM_data1: return sizeof(int8_t);
case dwarf::DW_FORM_data4: return sizeof(int32_t);
case dwarf::DW_FORM_ref8: // Fall thru
case dwarf::DW_FORM_data8: return sizeof(int64_t);
+ case dwarf::DW_FORM_GNU_str_index: return MCAsmInfo::getULEB128Size(Integer);
+ case dwarf::DW_FORM_GNU_addr_index: return MCAsmInfo::getULEB128Size(Integer);
case dwarf::DW_FORM_udata: return MCAsmInfo::getULEB128Size(Integer);
case dwarf::DW_FORM_sdata: return MCAsmInfo::getSLEB128Size(Integer);
- default: llvm_unreachable("DIE Value form not supported yet"); break;
+ case dwarf::DW_FORM_addr: return AP->getDataLayout().getPointerSize();
+ default: llvm_unreachable("DIE Value form not supported yet");
}
- return 0;
}
#ifndef NDEBUG
void DIEInteger::print(raw_ostream &O) {
- O << "Int: " << (int64_t)Integer
- << format(" 0x%llx", (unsigned long long)Integer);
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-// DIEString Implementation
-//===----------------------------------------------------------------------===//
-
-/// EmitValue - Emit string value.
-///
-void DIEString::EmitValue(DwarfPrinter *D, unsigned Form) const {
- D->getAsm()->EmitString(Str);
-}
-
-#ifndef NDEBUG
-void DIEString::print(raw_ostream &O) {
- O << "Str: \"" << Str << "\"";
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-// DIEDwarfLabel Implementation
-//===----------------------------------------------------------------------===//
-
-/// EmitValue - Emit label value.
-///
-void DIEDwarfLabel::EmitValue(DwarfPrinter *D, unsigned Form) const {
- bool IsSmall = Form == dwarf::DW_FORM_data4;
- D->EmitReference(Label, false, IsSmall);
-}
-
-/// SizeOf - Determine size of label value in bytes.
-///
-unsigned DIEDwarfLabel::SizeOf(const TargetData *TD, unsigned Form) const {
- if (Form == dwarf::DW_FORM_data4) return 4;
- return TD->getPointerSize();
-}
-
-#ifndef NDEBUG
-void DIEDwarfLabel::print(raw_ostream &O) {
- O << "Lbl: ";
- Label.print(O);
+ O << "Int: " << (int64_t)Integer << " 0x";
+ O.write_hex(Integer);
}
#endif
//===----------------------------------------------------------------------===//
-// DIEObjectLabel Implementation
+// DIELabel Implementation
//===----------------------------------------------------------------------===//
/// EmitValue - Emit label value.
///
-void DIEObjectLabel::EmitValue(DwarfPrinter *D, unsigned Form) const {
- bool IsSmall = Form == dwarf::DW_FORM_data4;
- D->EmitReference(Sym, false, IsSmall);
+void DIELabel::EmitValue(AsmPrinter *AP, unsigned Form) const {
+ AP->OutStreamer.EmitSymbolValue(Label, SizeOf(AP, Form));
}
/// SizeOf - Determine size of label value in bytes.
///
-unsigned DIEObjectLabel::SizeOf(const TargetData *TD, unsigned Form) const {
- if (Form == dwarf::DW_FORM_data4) return 4;
- return TD->getPointerSize();
-}
-
-#ifndef NDEBUG
-void DIEObjectLabel::print(raw_ostream &O) {
- O << "Obj: " << Sym->getName();
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-// DIESectionOffset Implementation
-//===----------------------------------------------------------------------===//
-
-/// EmitValue - Emit delta value.
-///
-void DIESectionOffset::EmitValue(DwarfPrinter *D, unsigned Form) const {
- bool IsSmall = Form == dwarf::DW_FORM_data4;
- D->EmitSectionOffset(Label.getTag(), Section.getTag(),
- Label.getNumber(), Section.getNumber(),
- IsSmall, IsEH, UseSet);
-}
-
-/// SizeOf - Determine size of delta value in bytes.
-///
-unsigned DIESectionOffset::SizeOf(const TargetData *TD, unsigned Form) const {
+unsigned DIELabel::SizeOf(AsmPrinter *AP, unsigned Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
- return TD->getPointerSize();
+ if (Form == dwarf::DW_FORM_strp) return 4;
+ return AP->getDataLayout().getPointerSize();
}
#ifndef NDEBUG
-void DIESectionOffset::print(raw_ostream &O) {
- O << "Off: ";
- Label.print(O);
- O << "-";
- Section.print(O);
- O << "-" << IsEH << "-" << UseSet;
+void DIELabel::print(raw_ostream &O) {
+ O << "Lbl: " << Label->getName();
}
#endif
/// EmitValue - Emit delta value.
///
-void DIEDelta::EmitValue(DwarfPrinter *D, unsigned Form) const {
- bool IsSmall = Form == dwarf::DW_FORM_data4;
- D->EmitDifference(LabelHi, LabelLo, IsSmall);
+void DIEDelta::EmitValue(AsmPrinter *AP, unsigned Form) const {
+ AP->EmitLabelDifference(LabelHi, LabelLo, SizeOf(AP, Form));
}
/// SizeOf - Determine size of delta value in bytes.
///
-unsigned DIEDelta::SizeOf(const TargetData *TD, unsigned Form) const {
+unsigned DIEDelta::SizeOf(AsmPrinter *AP, unsigned Form) const {
if (Form == dwarf::DW_FORM_data4) return 4;
- return TD->getPointerSize();
+ if (Form == dwarf::DW_FORM_strp) return 4;
+ return AP->getDataLayout().getPointerSize();
}
#ifndef NDEBUG
void DIEDelta::print(raw_ostream &O) {
- O << "Del: ";
- LabelHi.print(O);
- O << "-";
- LabelLo.print(O);
+ O << "Del: " << LabelHi->getName() << "-" << LabelLo->getName();
}
#endif
/// EmitValue - Emit debug information entry offset.
///
-void DIEEntry::EmitValue(DwarfPrinter *D, unsigned Form) const {
- D->getAsm()->EmitInt32(Entry->getOffset());
+void DIEEntry::EmitValue(AsmPrinter *AP, unsigned Form) const {
+ AP->EmitInt32(Entry->getOffset());
}
#ifndef NDEBUG
/// ComputeSize - calculate the size of the block.
///
-unsigned DIEBlock::ComputeSize(const TargetData *TD) {
+unsigned DIEBlock::ComputeSize(AsmPrinter *AP) {
if (!Size) {
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
- Size += Values[i]->SizeOf(TD, AbbrevData[i].getForm());
+ Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
return Size;
/// EmitValue - Emit block data.
///
-void DIEBlock::EmitValue(DwarfPrinter *D, unsigned Form) const {
- const AsmPrinter *Asm = D->getAsm();
+void DIEBlock::EmitValue(AsmPrinter *Asm, unsigned Form) const {
switch (Form) {
- case dwarf::DW_FORM_block1: Asm->EmitInt8(Size); break;
- case dwarf::DW_FORM_block2: Asm->EmitInt16(Size); break;
- case dwarf::DW_FORM_block4: Asm->EmitInt32(Size); break;
- case dwarf::DW_FORM_block: Asm->EmitULEB128Bytes(Size); break;
- default: llvm_unreachable("Improper form for block"); break;
+ default: llvm_unreachable("Improper form for block");
+ case dwarf::DW_FORM_block1: Asm->EmitInt8(Size); break;
+ case dwarf::DW_FORM_block2: Asm->EmitInt16(Size); break;
+ case dwarf::DW_FORM_block4: Asm->EmitInt32(Size); break;
+ case dwarf::DW_FORM_block: Asm->EmitULEB128(Size); break;
}
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev.getData();
- for (unsigned i = 0, N = Values.size(); i < N; ++i) {
- Asm->O << '\n';
- Values[i]->EmitValue(D, AbbrevData[i].getForm());
- }
+ for (unsigned i = 0, N = Values.size(); i < N; ++i)
+ Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
}
/// SizeOf - Determine size of block data in bytes.
///
-unsigned DIEBlock::SizeOf(const TargetData *TD, unsigned Form) const {
+unsigned DIEBlock::SizeOf(AsmPrinter *AP, unsigned Form) const {
switch (Form) {
case dwarf::DW_FORM_block1: return Size + sizeof(int8_t);
case dwarf::DW_FORM_block2: return Size + sizeof(int16_t);
case dwarf::DW_FORM_block4: return Size + sizeof(int32_t);
- case dwarf::DW_FORM_block: return Size + MCAsmInfo::getULEB128Size(Size);
- default: llvm_unreachable("Improper form for block"); break;
+ case dwarf::DW_FORM_block: return Size + MCAsmInfo::getULEB128Size(Size);
+ default: llvm_unreachable("Improper form for block");
}
- return 0;
}
#ifndef NDEBUG
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