diff options
Diffstat (limited to 'clang/lib/CodeGen/CGException.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGException.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp index d6a9538bc1f..6a421e81dff 100644 --- a/clang/lib/CodeGen/CGException.cpp +++ b/clang/lib/CodeGen/CGException.cpp @@ -112,11 +112,17 @@ EHPersonality::MSVC_C_specific_handler = { "__C_specific_handler", nullptr }; const EHPersonality EHPersonality::MSVC_CxxFrameHandler3 = { "__CxxFrameHandler3", nullptr }; +/// On Win64, use libgcc's SEH personality function. We fall back to dwarf on +/// other platforms, unless the user asked for SjLj exceptions. +static bool useLibGCCSEHPersonality(const llvm::Triple &T) { + return T.isOSWindows() && T.getArch() == llvm::Triple::x86_64; +} + static const EHPersonality &getCPersonality(const llvm::Triple &T, const LangOptions &L) { if (L.SjLjExceptions) return EHPersonality::GNU_C_SJLJ; - if (L.SEHExceptions) + else if (useLibGCCSEHPersonality(T)) return EHPersonality::GNU_C_SEH; return EHPersonality::GNU_C; } @@ -138,7 +144,7 @@ static const EHPersonality &getObjCPersonality(const llvm::Triple &T, case ObjCRuntime::ObjFW: if (L.SjLjExceptions) return EHPersonality::GNU_ObjC_SJLJ; - if (L.SEHExceptions) + else if (useLibGCCSEHPersonality(T)) return EHPersonality::GNU_ObjC_SEH; return EHPersonality::GNU_ObjC; } @@ -149,7 +155,7 @@ static const EHPersonality &getCXXPersonality(const llvm::Triple &T, const LangOptions &L) { if (L.SjLjExceptions) return EHPersonality::GNU_CPlusPlus_SJLJ; - if (L.SEHExceptions) + else if (useLibGCCSEHPersonality(T)) return EHPersonality::GNU_CPlusPlus_SEH; return EHPersonality::GNU_CPlusPlus; } @@ -205,10 +211,6 @@ const EHPersonality &EHPersonality::get(CodeGenModule &CGM, if (T.isWindowsMSVCEnvironment() && !L.ObjC1) { if (L.SjLjExceptions) return EHPersonality::GNU_CPlusPlus_SJLJ; - if (L.SEHExceptions) - return EHPersonality::GNU_CPlusPlus_SEH; - if (L.DWARFExceptions) - return EHPersonality::GNU_CPlusPlus; else return EHPersonality::MSVC_CxxFrameHandler3; } |
