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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 04:29:21 +00:00
Added minimum Dwarf aranges. Cleaned up some section headers. Line number
support now works in gdb. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25417 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -855,12 +855,12 @@ public:
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}
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void EmitLabel(const char *Tag, unsigned Number) const;
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/// EmitLabelReference - Emit a reference to a label.
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/// EmitReference - Emit a reference to a label.
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///
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void EmitLabelReference(DWLabel Label) const {
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EmitLabelReference(Label.Tag, Label.Number);
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void EmitReference(DWLabel Label) const {
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EmitReference(Label.Tag, Label.Number);
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}
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void EmitLabelReference(const char *Tag, unsigned Number) const;
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void EmitReference(const char *Tag, unsigned Number) const;
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/// EmitDifference - Emit the difference between two labels. Some
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/// assemblers do not behave with absolute expressions with data directives,
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@ -967,11 +967,11 @@ private:
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///
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void EndModule();
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/// BeginFunction - Emit pre-function debug information.
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/// BeginFunction - Gather pre-function debug information.
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///
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void BeginFunction();
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/// EndFunction - Emit post-function debug information.
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/// EndFunction - Gather and emit post-function debug information.
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///
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void EndFunction();
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};
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@ -701,7 +701,7 @@ unsigned DIEString::SizeOf(const DwarfWriter &DW, unsigned Form) const {
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/// EmitValue - Emit label value.
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///
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void DIELabel::EmitValue(const DwarfWriter &DW, unsigned Form) const {
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DW.EmitLabelReference(Value);
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DW.EmitReference(Value);
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}
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/// SizeOf - Determine size of label value in bytes.
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@ -893,9 +893,9 @@ void DwarfWriter::EmitLabel(const char *Tag, unsigned Number) const {
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O << ":\n";
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}
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/// EmitLabelReference - Emit a reference to a label.
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/// EmitReference - Emit a reference to a label.
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///
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void DwarfWriter::EmitLabelReference(const char *Tag, unsigned Number) const {
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void DwarfWriter::EmitReference(const char *Tag, unsigned Number) const {
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if (AddressSize == 4)
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O << Asm->Data32bitsDirective;
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else
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@ -1113,7 +1113,7 @@ void DwarfWriter::EmitDebugInfo() const {
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EmitShort(DWARF_VERSION); EOL("DWARF version number");
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EmitLabelReference("abbrev", 0); EOL("Offset Into Abbrev. Section");
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EmitReference("abbrev", 0); EOL("Offset Into Abbrev. Section");
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EmitByte(AddressSize); EOL("Address Size (in bytes)");
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@ -1252,7 +1252,7 @@ void DwarfWriter::EmitDebugLines() const {
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EmitByte(0); EOL("Extended Op");
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EmitByte(4 + 1); EOL("Op size");
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EmitByte(DW_LNE_set_address); EOL("DW_LNE_set_address");
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EmitLabelReference("loc", i + 1); EOL("Location label");
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EmitReference("loc", i + 1); EOL("Location label");
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// If change of source, then switch to the new source.
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if (Source != LineInfo->getSourceID()) {
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@ -1297,41 +1297,79 @@ void DwarfWriter::EmitDebugLines() const {
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/// EmitDebugFrame - Emit visible names into a debug frame section.
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///
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void DwarfWriter::EmitDebugFrame() {
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// FIXME - Should be per frame
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}
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/// EmitDebugPubNames - Emit visible names into a debug pubnames section.
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///
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void DwarfWriter::EmitDebugPubNames() {
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// Start the dwarf pubnames section.
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Asm->SwitchSection(DwarfPubNamesSection, 0);
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}
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/// EmitDebugPubTypes - Emit visible names into a debug pubtypes section.
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///
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void DwarfWriter::EmitDebugPubTypes() {
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// Start the dwarf pubtypes section.
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Asm->SwitchSection(DwarfPubTypesSection, 0);
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}
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/// EmitDebugStr - Emit visible names into a debug str section.
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///
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void DwarfWriter::EmitDebugStr() {
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// Start the dwarf str section.
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Asm->SwitchSection(DwarfStrSection, 0);
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}
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/// EmitDebugLoc - Emit visible names into a debug loc section.
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///
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void DwarfWriter::EmitDebugLoc() {
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// Start the dwarf loc section.
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Asm->SwitchSection(DwarfLocSection, 0);
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}
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/// EmitDebugARanges - Emit visible names into a debug aranges section.
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///
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void DwarfWriter::EmitDebugARanges() {
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// Start the dwarf aranges section.
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Asm->SwitchSection(DwarfARangesSection, 0);
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// FIXME - Mock up
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// Don't include size of length
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EmitLong(0x1c); EOL("Length of Address Ranges Info");
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EmitShort(DWARF_VERSION); EOL("Dwarf Version");
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EmitReference("info", 0); EOL("Offset of Compilation Unit Info");
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EmitByte(AddressSize); EOL("Size of Address");
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EmitByte(0); EOL("Size of Segment Descriptor");
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EmitShort(0); EOL("Pad (1)");
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EmitShort(0); EOL("Pad (2)");
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// Range 1
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EmitReference("text_begin", 0); EOL("Address");
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EmitDifference("text_end", 0, "text_begin", 0); EOL("Length");
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EmitLong(0); EOL("EOM (1)");
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EmitLong(0); EOL("EOM (2)");
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}
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/// EmitDebugRanges - Emit visible names into a debug ranges section.
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///
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void DwarfWriter::EmitDebugRanges() {
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// Start the dwarf ranges section.
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Asm->SwitchSection(DwarfRangesSection, 0);
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}
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/// EmitDebugMacInfo - Emit visible names into a debug macinfo section.
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///
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void DwarfWriter::EmitDebugMacInfo() {
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// Start the dwarf macinfo section.
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Asm->SwitchSection(DwarfMacInfoSection, 0);
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}
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/// ShouldEmitDwarf - Determine if Dwarf declarations should be made.
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@ -1397,7 +1435,9 @@ void DwarfWriter::EndModule() {
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EOL("Dwarf End Module");
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// Standard sections final addresses.
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Asm->SwitchSection(TextSection, 0);
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EmitLabel("text_end", 0);
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Asm->SwitchSection(DataSection, 0);
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EmitLabel("data_end", 0);
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// Get directory and source information.
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@ -1451,14 +1491,14 @@ void DwarfWriter::EndModule() {
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EmitDebugMacInfo();
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}
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/// BeginFunction - Emit pre-function debug information.
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/// BeginFunction - Gather pre-function debug information.
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///
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void DwarfWriter::BeginFunction() {
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if (!ShouldEmitDwarf()) return;
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EOL("Dwarf Begin Function");
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}
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/// EndFunction - Emit post-function debug information.
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/// EndFunction - Gather and emit post-function debug information.
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///
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void DwarfWriter::EndFunction() {
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if (!ShouldEmitDwarf()) return;
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@ -215,17 +215,18 @@ namespace {
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: DwarfWriter(o, ap)
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{
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needsSet = true;
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DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev,regular,debug";
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DwarfInfoSection = ".section __DWARFA,__debug_info,regular,debug";
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DwarfLineSection = ".section __DWARFA,__debug_line,regular,debug";
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DwarfFrameSection = ".section __DWARFA,__debug_frame,regular,debug";
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DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames,regular,debug";
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DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes,regular,debug";
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DwarfStrSection = ".section __DWARFA,__debug_str,regular,debug";
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DwarfLocSection = ".section __DWARFA,__debug_loc,regular,debug";
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DwarfARangesSection = ".section __DWARFA,__debug_aranges,regular,debug";
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DwarfRangesSection = ".section __DWARFA,__debug_ranges,regular,debug";
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DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo,regular,debug";
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DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev";
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DwarfInfoSection = ".section __DWARFA,__debug_info";
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DwarfLineSection = ".section __DWARFA,__debug_line";
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DwarfFrameSection =
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".section __DWARFA,__debug_frame,,coalesced,no_toc+strip_static_syms";
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DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames";
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DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes";
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DwarfStrSection = ".section __DWARFA,__debug_str";
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DwarfLocSection = ".section __DWARFA,__debug_loc";
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DwarfARangesSection = ".section __DWARFA,__debug_aranges";
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DwarfRangesSection = ".section __DWARFA,__debug_ranges";
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DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo";
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TextSection = ".text";
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DataSection = ".data";
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}
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@ -233,7 +234,6 @@ namespace {
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/// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
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/// X
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///
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struct DarwinAsmPrinter : public PPCAsmPrinter {
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DarwinDwarfWriter DW;
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