diff options
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfUnit.cpp')
-rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfUnit.cpp | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp index 991ab94b50ab..37c68c085792 100644 --- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp @@ -47,31 +47,42 @@ using namespace llvm; #define DEBUG_TYPE "dwarfdebug" DIEDwarfExpression::DIEDwarfExpression(const AsmPrinter &AP, - DwarfCompileUnit &CU, - DIELoc &DIE) - : DwarfExpression(AP.getDwarfVersion(), CU), AP(AP), - DIE(DIE) {} + DwarfCompileUnit &CU, DIELoc &DIE) + : DwarfExpression(AP.getDwarfVersion(), CU), AP(AP), OutDIE(DIE) {} void DIEDwarfExpression::emitOp(uint8_t Op, const char* Comment) { - CU.addUInt(DIE, dwarf::DW_FORM_data1, Op); + CU.addUInt(getActiveDIE(), dwarf::DW_FORM_data1, Op); } void DIEDwarfExpression::emitSigned(int64_t Value) { - CU.addSInt(DIE, dwarf::DW_FORM_sdata, Value); + CU.addSInt(getActiveDIE(), dwarf::DW_FORM_sdata, Value); } void DIEDwarfExpression::emitUnsigned(uint64_t Value) { - CU.addUInt(DIE, dwarf::DW_FORM_udata, Value); + CU.addUInt(getActiveDIE(), dwarf::DW_FORM_udata, Value); } void DIEDwarfExpression::emitData1(uint8_t Value) { - CU.addUInt(DIE, dwarf::DW_FORM_data1, Value); + CU.addUInt(getActiveDIE(), dwarf::DW_FORM_data1, Value); } void DIEDwarfExpression::emitBaseTypeRef(uint64_t Idx) { - CU.addBaseTypeRef(DIE, Idx); + CU.addBaseTypeRef(getActiveDIE(), Idx); } +void DIEDwarfExpression::enableTemporaryBuffer() { + assert(!IsBuffering && "Already buffering?"); + IsBuffering = true; +} + +void DIEDwarfExpression::disableTemporaryBuffer() { IsBuffering = false; } + +unsigned DIEDwarfExpression::getTemporaryBufferSize() { + return TmpDIE.ComputeSize(&AP); +} + +void DIEDwarfExpression::commitTemporaryBuffer() { OutDIE.takeValues(TmpDIE); } + bool DIEDwarfExpression::isFrameRegister(const TargetRegisterInfo &TRI, unsigned MachineReg) { return MachineReg == TRI.getFrameRegister(*AP.MF); @@ -205,6 +216,10 @@ void DwarfUnit::insertDIE(const DINode *Desc, DIE *D) { MDNodeToDieMap.insert(std::make_pair(Desc, D)); } +void DwarfUnit::insertDIE(DIE *D) { + MDNodeToDieMap.insert(std::make_pair(nullptr, D)); +} + void DwarfUnit::addFlag(DIE &Die, dwarf::Attribute Attribute) { if (DD->getDwarfVersion() >= 4) Die.addValue(DIEValueAllocator, Attribute, dwarf::DW_FORM_flag_present, @@ -718,7 +733,7 @@ std::string DwarfUnit::getParentContextString(const DIScope *Context) const { return ""; // FIXME: Decide whether to implement this for non-C++ languages. - if (getLanguage() != dwarf::DW_LANG_C_plus_plus) + if (!dwarf::isCPlusPlus((dwarf::SourceLanguage)getLanguage())) return ""; std::string CS; @@ -942,6 +957,9 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, const DICompositeType *CTy) { if (CTy->isAppleBlockExtension()) addFlag(Buffer, dwarf::DW_AT_APPLE_block); + if (CTy->getExportSymbols()) + addFlag(Buffer, dwarf::DW_AT_export_symbols); + // This is outside the DWARF spec, but GDB expects a DW_AT_containing_type // inside C++ composite types to point to the base class with the vtable. // Rust uses DW_AT_containing_type to link a vtable to the type @@ -1696,15 +1714,6 @@ void DwarfUnit::addRnglistsBase() { TLOF.getDwarfRnglistsSection()->getBeginSymbol()); } -void DwarfUnit::addLoclistsBase() { - assert(DD->getDwarfVersion() >= 5 && - "DW_AT_loclists_base requires DWARF version 5 or later"); - const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering(); - addSectionLabel(getUnitDie(), dwarf::DW_AT_loclists_base, - DU->getLoclistsTableBaseSym(), - TLOF.getDwarfLoclistsSection()->getBeginSymbol()); -} - void DwarfTypeUnit::finishNonUnitTypeDIE(DIE& D, const DICompositeType *CTy) { addFlag(D, dwarf::DW_AT_declaration); StringRef Name = CTy->getName(); |