diff options
Diffstat (limited to 'clang/lib/CIR/CodeGen/CIRGenCleanup.h')
| -rw-r--r-- | clang/lib/CIR/CodeGen/CIRGenCleanup.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/clang/lib/CIR/CodeGen/CIRGenCleanup.h b/clang/lib/CIR/CodeGen/CIRGenCleanup.h index 9acf8b1..61a09a5 100644 --- a/clang/lib/CIR/CodeGen/CIRGenCleanup.h +++ b/clang/lib/CIR/CodeGen/CIRGenCleanup.h @@ -15,6 +15,7 @@ #define CLANG_LIB_CIR_CODEGEN_CIRGENCLEANUP_H #include "Address.h" +#include "CIRGenModule.h" #include "EHScopeStack.h" #include "mlir/IR/Value.h" @@ -257,5 +258,53 @@ inline void EHScopeStack::popCatch() { deallocate(EHCatchScope::getSizeForNumHandlers(scope.getNumHandlers())); } +/// The exceptions personality for a function. +struct EHPersonality { + const char *personalityFn = nullptr; + + // If this is non-null, this personality requires a non-standard + // function for rethrowing an exception after a catchall cleanup. + // This function must have prototype void(void*). + const char *catchallRethrowFn = nullptr; + + static const EHPersonality &get(CIRGenModule &cgm, + const clang::FunctionDecl *fd); + static const EHPersonality &get(CIRGenFunction &cgf); + + static const EHPersonality GNU_C; + static const EHPersonality GNU_C_SJLJ; + static const EHPersonality GNU_C_SEH; + static const EHPersonality GNU_ObjC; + static const EHPersonality GNU_ObjC_SJLJ; + static const EHPersonality GNU_ObjC_SEH; + static const EHPersonality GNUstep_ObjC; + static const EHPersonality GNU_ObjCXX; + static const EHPersonality NeXT_ObjC; + static const EHPersonality GNU_CPlusPlus; + static const EHPersonality GNU_CPlusPlus_SJLJ; + static const EHPersonality GNU_CPlusPlus_SEH; + static const EHPersonality MSVC_except_handler; + static const EHPersonality MSVC_C_specific_handler; + static const EHPersonality MSVC_CxxFrameHandler3; + static const EHPersonality GNU_Wasm_CPlusPlus; + static const EHPersonality XL_CPlusPlus; + static const EHPersonality ZOS_CPlusPlus; + + /// Does this personality use landingpads or the family of pad instructions + /// designed to form funclets? + bool usesFuncletPads() const { + return isMSVCPersonality() || isWasmPersonality(); + } + + bool isMSVCPersonality() const { + return this == &MSVC_except_handler || this == &MSVC_C_specific_handler || + this == &MSVC_CxxFrameHandler3; + } + + bool isWasmPersonality() const { return this == &GNU_Wasm_CPlusPlus; } + + bool isMSVCXXPersonality() const { return this == &MSVC_CxxFrameHandler3; } +}; + } // namespace clang::CIRGen #endif // CLANG_LIB_CIR_CODEGEN_CIRGENCLEANUP_H |