#include "llvm/Target/TargetLoweringObjectFile.h"
namespace llvm {
-DwarfFile::DwarfFile(AsmPrinter *AP, const char *Pref, BumpPtrAllocator &DA)
- : Asm(AP), StringPool(DA), NextStringPoolNumber(0), StringPref(Pref) {}
+DwarfFile::DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA)
+ : Asm(AP), StrPool(DA, *Asm, Pref) {}
-DwarfFile::~DwarfFile() {
-}
-
-MCSymbol *DwarfFile::getStringPoolSym() {
- return Asm->GetTempSymbol(StringPref);
-}
-
-MCSymbol *DwarfFile::getStringPoolEntry(StringRef Str) {
- std::pair<MCSymbol *, unsigned> &Entry =
- StringPool.GetOrCreateValue(Str).getValue();
- if (Entry.first)
- return Entry.first;
-
- Entry.second = NextStringPoolNumber++;
- return Entry.first = Asm->GetTempSymbol(StringPref, Entry.second);
-}
-
-unsigned DwarfFile::getStringPoolIndex(StringRef Str) {
- std::pair<MCSymbol *, unsigned> &Entry =
- StringPool.GetOrCreateValue(Str).getValue();
- if (Entry.first)
- return Entry.second;
-
- Entry.second = NextStringPoolNumber++;
- Entry.first = Asm->GetTempSymbol(StringPref, Entry.second);
- return Entry.second;
-}
-
-unsigned DwarfFile::getAddrPoolIndex(const MCSymbol *Sym, bool TLS) {
- std::pair<AddrPool::iterator, bool> P = AddressPool.insert(
- std::make_pair(Sym, AddressPoolEntry(AddressPool.size(), TLS)));
- return P.first->second.Number;
-}
+DwarfFile::~DwarfFile() {}
// Define a unique number for the abbreviation.
//
// the abbreviations going into ASection.
void DwarfFile::emitUnits(DwarfDebug *DD, const MCSymbol *ASectionSym) {
for (const auto &TheU : CUs) {
- DIE *Die = TheU->getUnitDie();
+ DIE &Die = TheU->getUnitDie();
const MCSection *USection = TheU->getSection();
Asm->OutStreamer.SwitchSection(USection);
// Emit size of content not including length itself
Asm->OutStreamer.AddComment("Length of Unit");
- Asm->EmitInt32(TheU->getHeaderSize() + Die->getSize());
+ Asm->EmitInt32(TheU->getHeaderSize() + Die.getSize());
TheU->emitHeader(ASectionSym);
- DD->emitDIE(*Die);
+ DD->emitDIE(Die);
Asm->OutStreamer.EmitLabel(TheU->getLabelEnd());
}
}
// EndOffset here is CU-relative, after laying out
// all of the CU DIE.
- unsigned EndOffset = computeSizeAndOffset(*TheU->getUnitDie(), Offset);
+ unsigned EndOffset = computeSizeAndOffset(TheU->getUnitDie(), Offset);
SecOffset += EndOffset;
}
}
// Emit strings into a string section.
void DwarfFile::emitStrings(const MCSection *StrSection,
- const MCSection *OffsetSection,
- const MCSymbol *StrSecSym) {
-
- if (StringPool.empty())
- return;
-
- // Start the dwarf str section.
- Asm->OutStreamer.SwitchSection(StrSection);
-
- // Get all of the string pool entries and put them in an array by their ID so
- // we can sort them.
- SmallVector<std::pair<unsigned, const StrPool::value_type *>, 64 > Entries;
-
- for (const auto &I : StringPool)
- Entries.push_back(std::make_pair(I.second.second, &I));
-
- array_pod_sort(Entries.begin(), Entries.end());
-
- for (const auto &Entry : Entries) {
- // Emit a label for reference from debug information entries.
- Asm->OutStreamer.EmitLabel(Entry.second->getValue().first);
-
- // Emit the string itself with a terminating null byte.
- Asm->OutStreamer.EmitBytes(StringRef(Entry.second->getKeyData(),
- Entry.second->getKeyLength() + 1));
- }
-
- // If we've got an offset section go ahead and emit that now as well.
- if (OffsetSection) {
- Asm->OutStreamer.SwitchSection(OffsetSection);
- unsigned offset = 0;
- unsigned size = 4; // FIXME: DWARF64 is 8.
- for (const auto &Entry : Entries) {
- Asm->OutStreamer.EmitIntValue(offset, size);
- offset += Entry.second->getKeyLength() + 1;
- }
- }
-}
-
-// Emit addresses into the section given.
-void DwarfFile::emitAddresses(const MCSection *AddrSection) {
-
- if (AddressPool.empty())
- return;
-
- // Start the dwarf addr section.
- Asm->OutStreamer.SwitchSection(AddrSection);
-
- // Order the address pool entries by ID
- SmallVector<const MCExpr *, 64> Entries(AddressPool.size());
-
- for (const auto &I : AddressPool)
- Entries[I.second.Number] =
- I.second.TLS
- ? Asm->getObjFileLowering().getDebugThreadLocalSymbol(I.first)
- : MCSymbolRefExpr::Create(I.first, Asm->OutContext);
-
- for (const MCExpr *Entry : Entries)
- Asm->OutStreamer.EmitValue(Entry, Asm->getDataLayout().getPointerSize());
+ const MCSection *OffsetSection) {
+ StrPool.emit(*Asm, StrSection, OffsetSection);
}
}