diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp index 7e694d05390..b6fb038d932 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp @@ -82,3 +82,47 @@ void AsmPrinter::EmitCFAByte(unsigned Val) const { OutStreamer.EmitIntValue(Val, 1, 0/*addrspace*/); } +static const char *DecodeDWARFEncoding(unsigned Encoding) { + switch (Encoding) { + case dwarf::DW_EH_PE_absptr: return "absptr"; + case dwarf::DW_EH_PE_omit: return "omit"; + case dwarf::DW_EH_PE_pcrel: return "pcrel"; + case dwarf::DW_EH_PE_udata4: return "udata4"; + case dwarf::DW_EH_PE_udata8: return "udata8"; + case dwarf::DW_EH_PE_sdata4: return "sdata4"; + case dwarf::DW_EH_PE_sdata8: return "sdata8"; + case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4: return "pcrel udata4"; + case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4: return "pcrel sdata4"; + case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8: return "pcrel udata8"; + case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8: return "pcrel sdata8"; + case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4: + return "indirect pcrel udata4"; + case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4: + return "indirect pcrel sdata4"; + case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8: + return "indirect pcrel udata8"; + case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8: + return "indirect pcrel sdata8"; + } + + return ""; +} + + +/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an +/// encoding. If verbose assembly output is enabled, we output comments +/// describing the encoding. Desc is an optional string saying what the +/// encoding is specifying (e.g. "LSDA"). +void AsmPrinter::EmitEncodingByte(unsigned Val, const char *Desc) { + if (isVerbose()) { + if (Desc != 0) + OutStreamer.AddComment(Twine(Desc)+" Encoding = " + + Twine(DecodeDWARFEncoding(Val))); + else + OutStreamer.AddComment(Twine("Encoding = ") + + DecodeDWARFEncoding(Val)); + } + + OutStreamer.EmitIntValue(Val, 1, 0/*addrspace*/); +} + diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp index e45f8d988d1..6dad20962bf 100644 --- a/lib/CodeGen/AsmPrinter/DwarfException.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp @@ -138,14 +138,14 @@ void DwarfException::EmitCIE(const Function *PersonalityFn, unsigned Index) { // If there is a personality, we need to indicate the function's location. if (PersonalityFn) { - EmitEncodingByte(PerEncoding, "Personality"); + Asm->EmitEncodingByte(PerEncoding, "Personality"); Asm->OutStreamer.AddComment("Personality"); EmitReference(PersonalityFn, PerEncoding); } if (UsesLSDA[Index]) - EmitEncodingByte(LSDAEncoding, "LSDA"); + Asm->EmitEncodingByte(LSDAEncoding, "LSDA"); if (FDEEncoding != dwarf::DW_EH_PE_absptr) - EmitEncodingByte(FDEEncoding, "FDE"); + Asm->EmitEncodingByte(FDEEncoding, "FDE"); } // Indicate locations of general callee saved registers in frame. @@ -699,8 +699,8 @@ void DwarfException::EmitExceptionTable() { Asm->getFunctionNumber())); // Emit the LSDA header. - EmitEncodingByte(dwarf::DW_EH_PE_omit, "@LPStart"); - EmitEncodingByte(TTypeEncoding, "@TType"); + Asm->EmitEncodingByte(dwarf::DW_EH_PE_omit, "@LPStart"); + Asm->EmitEncodingByte(TTypeEncoding, "@TType"); // The type infos need to be aligned. GCC does this by inserting padding just // before the type infos. However, this changes the size of the exception @@ -743,7 +743,7 @@ void DwarfException::EmitExceptionTable() { // SjLj Exception handling if (IsSJLJ) { - EmitEncodingByte(dwarf::DW_EH_PE_udata4, "Call site"); + Asm->EmitEncodingByte(dwarf::DW_EH_PE_udata4, "Call site"); // Add extra padding if it wasn't added to the TType base offset. Asm->EmitULEB128(CallSiteTableLength, "Call site table length", SizeAlign); @@ -786,7 +786,7 @@ void DwarfException::EmitExceptionTable() { // supposed to throw. // Emit the landing pad call site table. - EmitEncodingByte(dwarf::DW_EH_PE_udata4, "Call site"); + Asm->EmitEncodingByte(dwarf::DW_EH_PE_udata4, "Call site"); // Add extra padding if it wasn't added to the TType base offset. Asm->EmitULEB128(CallSiteTableLength, "Call site table length", SizeAlign); diff --git a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp index c2a6152ca09..1baa162baac 100644 --- a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp @@ -57,49 +57,6 @@ unsigned DwarfPrinter::SizeOfEncodedValue(unsigned Encoding) const { return 0; } -static const char *DecodeDWARFEncoding(unsigned Encoding) { - switch (Encoding) { - case dwarf::DW_EH_PE_absptr: return "absptr"; - case dwarf::DW_EH_PE_omit: return "omit"; - case dwarf::DW_EH_PE_pcrel: return "pcrel"; - case dwarf::DW_EH_PE_udata4: return "udata4"; - case dwarf::DW_EH_PE_udata8: return "udata8"; - case dwarf::DW_EH_PE_sdata4: return "sdata4"; - case dwarf::DW_EH_PE_sdata8: return "sdata8"; - case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata4: return "pcrel udata4"; - case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4: return "pcrel sdata4"; - case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8: return "pcrel udata8"; - case dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8: return "pcrel sdata8"; - case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata4: - return "indirect pcrel udata4"; - case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata4: - return "indirect pcrel sdata4"; - case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_udata8: - return "indirect pcrel udata8"; - case dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |dwarf::DW_EH_PE_sdata8: - return "indirect pcrel sdata8"; - } - - return ""; -} - -/// EmitEncodingByte - Emit a .byte 42 directive that corresponds to an -/// encoding. If verbose assembly output is enabled, we output comments -/// describing the encoding. Desc is an optional string saying what the -/// encoding is specifying (e.g. "LSDA"). -void DwarfPrinter::EmitEncodingByte(unsigned Val, const char *Desc) { - if (Asm->isVerbose()) { - if (Desc != 0) - Asm->OutStreamer.AddComment(Twine(Desc)+" Encoding = " + - Twine(DecodeDWARFEncoding(Val))); - else - Asm->OutStreamer.AddComment(Twine("Encoding = ") + - DecodeDWARFEncoding(Val)); - } - - Asm->OutStreamer.EmitIntValue(Val, 1, 0/*addrspace*/); -} - void DwarfPrinter::EmitReference(const MCSymbol *Sym, unsigned Encoding) const { const TargetLoweringObjectFile &TLOF = Asm->getObjFileLowering();