diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp')
-rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp index d9db7832faa..094e4c9e19c 100644 --- a/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/EHStreamer.cpp @@ -374,15 +374,17 @@ void EHStreamer::emitExceptionTable() { computeCallSiteTable(CallSites, LandingPads, FirstActions); bool IsSJLJ = Asm->MAI->getExceptionHandlingType() == ExceptionHandling::SjLj; - bool HaveTTData = IsSJLJ ? (!TypeInfos.empty() || !FilterIds.empty()) : true; + unsigned CallSiteEncoding = + IsSJLJ ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_uleb128; + bool HaveTTData = !TypeInfos.empty() || !FilterIds.empty(); // Type infos. MCSection *LSDASection = Asm->getObjFileLowering().getLSDASection(); unsigned TTypeEncoding; if (!HaveTTData) { - // For SjLj exceptions, if there is no TypeInfo, then we just explicitly say - // that we're omitting that bit. + // If there is no TypeInfo, then we just explicitly say that we're omitting + // that bit. TTypeEncoding = dwarf::DW_EH_PE_omit; } else { // Okay, we have actual filters or typeinfos to emit. As such, we need to @@ -450,7 +452,7 @@ void EHStreamer::emitExceptionTable() { // Emit the landing pad call site table. MCSymbol *CstBeginLabel = Asm->createTempSymbol("cst_begin"); MCSymbol *CstEndLabel = Asm->createTempSymbol("cst_end"); - Asm->EmitEncodingByte(dwarf::DW_EH_PE_udata4, "Call site"); + Asm->EmitEncodingByte(CallSiteEncoding, "Call site"); Asm->EmitLabelDifferenceAsULEB128(CstEndLabel, CstBeginLabel); Asm->OutStreamer->EmitLabel(CstBeginLabel); @@ -518,23 +520,24 @@ void EHStreamer::emitExceptionTable() { // Offset of the call site relative to the start of the procedure. if (VerboseAsm) Asm->OutStreamer->AddComment(">> Call Site " + Twine(++Entry) + " <<"); - Asm->EmitLabelDifference(BeginLabel, EHFuncBeginSym, 4); + Asm->EmitLabelDifferenceAsULEB128(BeginLabel, EHFuncBeginSym); if (VerboseAsm) Asm->OutStreamer->AddComment(Twine(" Call between ") + BeginLabel->getName() + " and " + EndLabel->getName()); - Asm->EmitLabelDifference(EndLabel, BeginLabel, 4); + Asm->EmitLabelDifferenceAsULEB128(EndLabel, BeginLabel); // Offset of the landing pad relative to the start of the procedure. if (!S.LPad) { if (VerboseAsm) Asm->OutStreamer->AddComment(" has no landing pad"); - Asm->OutStreamer->EmitIntValue(0, 4/*size*/); + Asm->EmitULEB128(0); } else { if (VerboseAsm) Asm->OutStreamer->AddComment(Twine(" jumps to ") + S.LPad->LandingPadLabel->getName()); - Asm->EmitLabelDifference(S.LPad->LandingPadLabel, EHFuncBeginSym, 4); + Asm->EmitLabelDifferenceAsULEB128(S.LPad->LandingPadLabel, + EHFuncBeginSym); } // Offset of the first associated action record, relative to the start of |