diff options
| author | Jim Grosbach <grosbach@apple.com> | 2009-08-12 17:38:44 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-08-12 17:38:44 +0000 |
| commit | bff392384ddb032c732c38ec78b91d7a25dcf467 (patch) | |
| tree | c91d04da3f2ec7947bb8a0de73bbe3d55779e697 /lib/CodeGen | |
| parent | 683e922d299bdfa9ec609bd58a0eed20568303f1 (diff) | |
Add catch block handling to SjLj exception handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78817 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfException.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp index a0cd456d37..77e4ddd101 100644 --- a/lib/CodeGen/AsmPrinter/DwarfException.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp @@ -531,6 +531,11 @@ void DwarfException::EmitExceptionTable() { const unsigned SiteLengthSize = sizeof(int32_t); // DW_EH_PE_udata4 const unsigned LandingPadSize = sizeof(int32_t); // DW_EH_PE_udata4 unsigned SizeSites; + + bool HaveTTData = (TAI->getExceptionHandlingType() == ExceptionHandling::SjLj) + ? (!TypeInfos.empty() || !FilterIds.empty()) : true; + + if (TAI->getExceptionHandlingType() == ExceptionHandling::SjLj) { SizeSites = (MF->getMaxCallSiteIndex() - CallSites.size()) * TargetAsmInfo::getULEB128Size(0) * 2; @@ -553,7 +558,8 @@ void DwarfException::EmitExceptionTable() { unsigned TotalSize = sizeof(int8_t) + // LPStart format sizeof(int8_t) + // TType format - TargetAsmInfo::getULEB128Size(TypeOffset) + // TType base offset + (HaveTTData ? + TargetAsmInfo::getULEB128Size(TypeOffset) : 0) + // TType base offset TypeOffset; unsigned SizeAlign = (4 - TotalSize) & 3; @@ -624,11 +630,10 @@ void DwarfException::EmitExceptionTable() { Asm->EOL("TType base offset"); } #else - // For SjLj exceptions, is there is no TypeInfo, then we just explicitly + // For SjLj exceptions, if there is no TypeInfo, then we just explicitly // say that we're omitting that bit. // FIXME: does this apply to Dwarf also? The above #if 0 implies yes? - if (TAI->getExceptionHandlingType() == ExceptionHandling::SjLj - && (TypeInfos.empty() || FilterIds.empty())) { + if (!HaveTTData) { Asm->EmitInt8(dwarf::DW_EH_PE_omit); Asm->EOL("TType format (DW_EH_PE_omit)"); } else { |