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Revert "Use DW_AT_high_pc and DW_AT_low_pc for the high and low pc for a"
in order to fix the cygwin/mingw bots. This reverts commit r199990. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199991 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -187,7 +187,6 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
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DwarfAddrSectionSym = 0;
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DwarfAbbrevDWOSectionSym = DwarfStrDWOSectionSym = 0;
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FunctionBeginSym = FunctionEndSym = 0;
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TextSectionBeginSym = TextSectionEndSym = 0;
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CurFn = 0;
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CurMI = 0;
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@ -1062,12 +1061,9 @@ void DwarfDebug::finalizeModuleInfo() {
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addSectionLabel(Asm, U, U->getUnitDie(), dwarf::DW_AT_ranges,
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Asm->GetTempSymbol("cu_ranges", U->getUniqueID()),
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DwarfDebugRangeSectionSym);
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else {
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U->addLocalLabelAddress(U->getUnitDie(), dwarf::DW_AT_low_pc,
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TextSectionBeginSym);
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U->addLocalLabelAddress(U->getUnitDie(), dwarf::DW_AT_high_pc,
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TextSectionEndSym);
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}
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else
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U->addUInt(U->getUnitDie(), dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr,
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0);
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}
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}
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@ -1121,10 +1117,6 @@ void DwarfDebug::endSections() {
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Sym = Asm->GetTempSymbol("debug_end", ID);
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Asm->OutStreamer.SwitchSection(Section);
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Asm->OutStreamer.EmitLabel(Sym);
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// If this is the end of the text section keep track of where the end of
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// the section is so that we can use it later.
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if (Section == Asm->getObjFileLowering().getTextSection())
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TextSectionEndSym = Sym;
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}
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// Insert a final terminator.
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@ -2020,8 +2012,6 @@ void DwarfDebug::emitSectionLabels() {
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DwarfDebugLocSectionSym =
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emitSectionSym(Asm, TLOF.getDwarfLocSection(), "section_debug_loc");
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TextSectionBeginSym = emitSectionSym(Asm, TLOF.getTextSection(), "text_begin");
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}
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// Recursively emits a debug information entry.
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@ -432,7 +432,6 @@ class DwarfDebug : public AsmPrinterHandler {
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MCSymbol *DwarfInfoDWOSectionSym, *DwarfAbbrevDWOSectionSym;
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MCSymbol *DwarfStrDWOSectionSym;
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MCSymbol *DwarfGnuPubNamesSectionSym, *DwarfGnuPubTypesSectionSym;
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MCSymbol *TextSectionBeginSym, *TextSectionEndSym;
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// As an optimization, there is no need to emit an entry in the directory
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// table for the same directory as DW_AT_comp_dir.
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@ -266,26 +266,10 @@ void DwarfUnit::addSectionOffset(DIE *Die, dwarf::Attribute Attribute,
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///
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void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
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MCSymbol *Label) {
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if (!DD->useSplitDwarf())
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return addLocalLabelAddress(Die, Attribute, Label);
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if (Label)
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DD->addArangeLabel(SymbolCU(this, Label));
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unsigned idx = DU->getAddrPoolIndex(Label);
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DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
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Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
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}
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/// addLocalLabelAddress - Add a dwarf label attribute data and value using
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/// DW_FORM_addr only.
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///
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void DwarfCompileUnit::addLocalLabelAddress(DIE *Die,
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dwarf::Attribute Attribute,
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MCSymbol *Label) {
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if (Label)
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DD->addArangeLabel(SymbolCU(this, Label));
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if (!DD->useSplitDwarf()) {
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if (Label) {
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DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
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Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
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@ -293,6 +277,11 @@ void DwarfCompileUnit::addLocalLabelAddress(DIE *Die,
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DIEValue *Value = new (DIEValueAllocator) DIEInteger(0);
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Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
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}
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} else {
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unsigned idx = DU->getAddrPoolIndex(Label);
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DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
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Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
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}
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}
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/// addOpAddress - Add a dwarf op address data and value using the
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@ -545,11 +545,6 @@ public:
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/// addLabelAddress - Add a dwarf label attribute data and value using
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/// either DW_FORM_addr or DW_FORM_GNU_addr_index.
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void addLabelAddress(DIE *Die, dwarf::Attribute Attribute, MCSymbol *Label);
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/// addLocalLabelAddress - Add a dwarf label attribute data and value using
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/// DW_FORM_addr only.
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void addLocalLabelAddress(DIE *Die, dwarf::Attribute Attribute,
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MCSymbol *Label);
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};
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class DwarfTypeUnit : public DwarfUnit {
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@ -7,15 +7,15 @@
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; first check that we have a TAG_subprogram at a given offset and it has
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; AT_inline.
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; CHECK: 0x00000124: DW_TAG_subprogram [17]
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; CHECK: 0x0000011c: DW_TAG_subprogram [17]
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; CHECK-NEXT: DW_AT_specification
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; CHECK-NEXT: DW_AT_inline
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; and then that a TAG_subprogram refers to it with AT_abstract_origin.
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; CHECK: 0x00000165: DW_TAG_subprogram [19]
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; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x0124 => {0x00000124})
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; CHECK: 0x0000015d: DW_TAG_subprogram [19]
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; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x011c => {0x0000011c})
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define i32 @_ZN17nsAutoRefCnt7ReleaseEv() {
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entry:
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@ -109,8 +109,6 @@
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; OBJ-NEXT: R_X86_64_32 .debug_str
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; OBJ-NEXT: R_X86_64_32 .debug_addr
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; OBJ-NEXT: R_X86_64_32 .debug_str
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; OBJ-NEXT: R_X86_64_64 .text 0x0
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; OBJ-NEXT: R_X86_64_64 .text 0x0
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; OBJ-NEXT: }
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; OBJ: .debug_aranges
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; OBJ-NEXT: R_X86_64_32 .debug_info 0x0
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