diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp b/llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp index 8c90bed2b5a..2737a5323d6 100644 --- a/llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/Win64Exception.cpp @@ -212,9 +212,14 @@ void Win64Exception::emitCSpecificHandlerTable() { if (isCatchEHSelector(Selector)) ++NumEntries; } + NumEntries += CSE.LPad->SEHHandlers.size(); } Asm->OutStreamer.EmitIntValue(NumEntries, 4); + // If there are no actions, we don't need to iterate again. + if (NumEntries == 0) + return; + // Emit the four-label records for each call site entry. The table has to be // sorted in layout order, and the call sites should already be sorted. for (const CallSiteEntry &CSE : CallSites) { @@ -240,6 +245,31 @@ void Win64Exception::emitCSpecificHandlerTable() { End = createImageRel32(EHFuncEndSym); } + // Emit an entry for each action. + for (SEHHandler Handler : LPad->SEHHandlers) { + Asm->OutStreamer.EmitValue(Begin, 4); + Asm->OutStreamer.EmitValue(End, 4); + + // Emit the filter or finally function pointer, if present. Otherwise, + // emit '1' to indicate a catch-all. + const Function *F = Handler.FilterOrFinally; + if (F) + Asm->OutStreamer.EmitValue(createImageRel32(Asm->getSymbol(F)), 4); + else + Asm->OutStreamer.EmitIntValue(1, 4); + + // Emit the recovery address, if present. Otherwise, this must be a + // finally. + const BlockAddress *BA = Handler.RecoverBA; + if (BA) + Asm->OutStreamer.EmitValue( + createImageRel32(Asm->GetBlockAddressSymbol(BA)), 4); + else + Asm->OutStreamer.EmitIntValue(0, 4); + } + if (!LPad->SEHHandlers.empty()) + continue; + // These aren't really type info globals, they are actually pointers to // filter functions ordered by selector. The zero selector is used for // cleanups, so slot zero corresponds to selector 1. |
