//===----------------------------------------------------------------------===//
//
// Data structures for DWARF info entries.
-//
+//
//===----------------------------------------------------------------------===//
#include "DIE.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"
// Emit attribute type.
// FIXME: Doing work even in non-asm-verbose runs.
AP->EmitULEB128(AttrData.getAttribute(),
- dwarf::AttributeString(AttrData.getAttribute()));
+ dwarf::AttributeString(AttrData.getAttribute()));
// Emit form type.
// FIXME: Doing work even in non-asm-verbose runs.
delete Children[i];
}
-/// addSiblingOffset - Add a sibling offset field to the front of the DIE.
-///
-DIEValue *DIE::addSiblingOffset(BumpPtrAllocator &A) {
- DIEInteger *DI = new (A) DIEInteger(0);
- Values.insert(Values.begin(), DI);
- Abbrev.AddFirstAttribute(dwarf::DW_AT_sibling, dwarf::DW_FORM_ref4);
- return DI;
-}
-
#ifndef NDEBUG
void DIE::print(raw_ostream &O, unsigned IncIndent) {
IndentCount += IncIndent;
}
#endif
+void DIEValue::anchor() { }
#ifndef NDEBUG
void DIEValue::dump() {
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_ref2: // Fall thru
case dwarf::DW_FORM_data2: Size = 2; break;
+ case dwarf::DW_FORM_sec_offset: // Fall thru
case dwarf::DW_FORM_ref4: // Fall thru
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_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_ref2: // Fall thru
case dwarf::DW_FORM_data2: return sizeof(int16_t);
+ case dwarf::DW_FORM_sec_offset: // Fall thru
case dwarf::DW_FORM_ref4: // Fall thru
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(AsmPrinter *AP, unsigned Form) const {
- AP->OutStreamer.EmitBytes(Str, /*addrspace*/0);
- // Emit nul terminator.
- AP->OutStreamer.EmitIntValue(0, 1, /*addrspace*/0);
-}
-
-#ifndef NDEBUG
-void DIEString::print(raw_ostream &O) {
- O << "Str: \"" << Str << "\"";
+ O << "Int: " << (int64_t)Integer << " 0x";
+ O.write_hex(Integer);
}
#endif
/// EmitValue - Emit label value.
///
void DIELabel::EmitValue(AsmPrinter *AP, unsigned Form) const {
- bool IsSmall = Form == dwarf::DW_FORM_data4;
- unsigned Size = IsSmall ? 4 : AP->getTargetData().getPointerSize();
- AP->OutStreamer.EmitSymbolValue(Label, Size, 0/*AddrSpace*/);
+ AP->OutStreamer.EmitSymbolValue(Label, SizeOf(AP, Form));
}
/// SizeOf - Determine size of label value in bytes.
///
-unsigned DIELabel::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
/// EmitValue - Emit delta value.
///
void DIEDelta::EmitValue(AsmPrinter *AP, unsigned Form) const {
- AP->EmitLabelDifference(LabelHi, LabelLo,
- SizeOf(&AP->getTargetData(), Form));
+ 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
/// 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;
///
void DIEBlock::EmitValue(AsmPrinter *Asm, unsigned Form) const {
switch (Form) {
- default: assert(0 && "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;
/// 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;
+ default: llvm_unreachable("Improper form for block");
}
- return 0;
}
#ifndef NDEBUG
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