diff options
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfException.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfException.cpp | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp index b2efad30ff..1f992faaad 100644 --- a/lib/CodeGen/AsmPrinter/DwarfException.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp @@ -527,14 +527,30 @@ void DwarfException::EmitExceptionTable() { I = CallSites.begin(), E = CallSites.end(); I != E; ++I, ++idx) { const CallSiteEntry &S = *I; + if (VerboseAsm) { + // Emit comments that decode the call site. + Asm->OutStreamer.AddComment(Twine(">> Call Site ") + + llvm::utostr(idx) + " <<"); + Asm->OutStreamer.AddComment(Twine(" On exception at call site ") + + llvm::utostr(idx)); + + if (S.Action == 0) + Asm->OutStreamer.AddComment(" Action: cleanup"); + else + Asm->OutStreamer.AddComment(Twine(" Action: ") + + llvm::utostr((S.Action - 1) / 2 + 1)); + + Asm->OutStreamer.AddBlankLine(); + } + // Offset of the landing pad, counted in 16-byte bundles relative to the // @LPStart address. - Asm->EmitULEB128(idx, "Call Site"); + Asm->EmitULEB128(idx); // Offset of the first associated action record, relative to the start of // the action table. This value is biased by 1 (1 indicates the start of // the action table), and 0 indicates that there are no actions. - Asm->EmitULEB128(S.Action, "Action"); + Asm->EmitULEB128(S.Action); } } else { // DWARF Exception handling @@ -586,6 +602,7 @@ void DwarfException::EmitExceptionTable() { Asm->OutStreamer.AddComment(Twine(" Call between ") + BeginLabel->getName() + " and " + EndLabel->getName()); + if (!S.PadLabel) { Asm->OutStreamer.AddComment(" has no landing pad"); } else { |