clang
3.9.0
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#include "CodeGenFunction.h"
#include "CGCXXABI.h"
#include "CGCleanup.h"
#include "CGObjCRuntime.h"
#include "TargetInfo.h"
#include "clang/AST/Mangle.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/StmtObjC.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/TargetBuiltins.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Support/SaveAndRestore.h"
Go to the source code of this file.
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static llvm::Constant * | getFreeExceptionFn (CodeGenModule &CGM) |
static llvm::Constant * | getUnexpectedFn (CodeGenModule &CGM) |
static llvm::Constant * | getCatchallRethrowFn (CodeGenModule &CGM, StringRef Name) |
static bool | useLibGCCSEHPersonality (const llvm::Triple &T) |
On Win64, use libgcc's SEH personality function. More... | |
static const EHPersonality & | getCPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getObjCPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getCXXPersonality (const llvm::Triple &T, const LangOptions &L) |
static const EHPersonality & | getObjCXXPersonality (const llvm::Triple &T, const LangOptions &L) |
Determines the personality function to use when both C++ and Objective-C exceptions are being caught. More... | |
static const EHPersonality & | getSEHPersonalityMSVC (const llvm::Triple &T) |
static llvm::Constant * | getPersonalityFn (CodeGenModule &CGM, const EHPersonality &Personality) |
static llvm::Constant * | getOpaquePersonalityFn (CodeGenModule &CGM, const EHPersonality &Personality) |
static bool | LandingPadHasOnlyCXXUses (llvm::LandingPadInst *LPI) |
Check whether a landingpad instruction only uses C++ features. More... | |
static bool | PersonalityHasOnlyCXXUses (llvm::Constant *Fn) |
Check whether a personality function could reasonably be swapped for a C++ personality function. More... | |
static llvm::Constant * | getCatchAllValue (CodeGenFunction &CGF) |
Returns the value to inject into a selector to indicate the presence of a catch-all. More... | |
static void | emitFilterDispatchBlock (CodeGenFunction &CGF, EHFilterScope &filterScope) |
Emit the dispatch block for a filter scope if necessary. More... | |
static bool | isNonEHScope (const EHScope &S) |
Check whether this is a non-EH scope, i.e. More... | |
static void | emitCatchPadBlock (CodeGenFunction &CGF, EHCatchScope &CatchScope) |
static void | emitCatchDispatchBlock (CodeGenFunction &CGF, EHCatchScope &catchScope) |
Emit the structure of the dispatch block for the given catch scope. More... | |
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Emit the structure of the dispatch block for the given catch scope.
It is an invariant that the dispatch block already exists.
Definition at line 918 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateBitCast(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), emitCatchPadBlock(), clang::CodeGen::CatchTypeInfo::Flags, clang::CodeGen::EHPersonality::get(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::EHCatchScope::getHandler(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CodeGen::EHCatchScope::getNumHandlers(), clang::CodeGen::CodeGenFunction::getSelectorFromSlot(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::EHCatchScope::Handler::isCatchAll(), clang::CodeGen::CatchTypeInfo::RTTI, and clang::CodeGen::EHCatchScope::Handler::Type.
Referenced by clang::CodeGen::CodeGenFunction::ExitCXXTryStmt(), clang::CodeGen::CodeGenFunction::ExitSEHTryStmt(), and clang::CodeGen::CodeGenFunction::popCatchScope().
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Definition at line 876 of file CGException.cpp.
References clang::CodeGen::EHCatchScope::Handler::Block, clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::CatchTypeInfo::Flags, clang::CodeGen::EHPersonality::get(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHDispatchBlock(), clang::CodeGen::EHScope::getEnclosingEHScope(), clang::CodeGen::EHCatchScope::getHandler(), clang::CodeGen::CodeGenFunction::getLLVMContext(), clang::CodeGen::EHCatchScope::getNumHandlers(), I, clang::CodeGen::CatchTypeInfo::RTTI, clang::CodeGen::EHCatchScope::Handler::Type, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.
Referenced by emitCatchDispatchBlock().
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Emit the dispatch block for a filter scope if necessary.
Definition at line 466 of file CGException.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitBlockAfterUses(), clang::CodeGen::CodeGenFunction::EmitRuntimeCall(), clang::CodeGen::EHScope::getCachedEHDispatchBlock(), clang::CodeGen::CodeGenFunction::getEHResumeBlock(), clang::CodeGen::CodeGenFunction::getExceptionFromSlot(), clang::CodeGen::EHFilterScope::getNumFilters(), clang::CodeGen::CodeGenFunction::getSelectorFromSlot(), and getUnexpectedFn().
Referenced by clang::CodeGen::CodeGenFunction::EmitEndEHSpec().
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Definition at line 76 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by clang::CodeGen::CodeGenFunction::getEHResumeBlock().
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Returns the value to inject into a selector to indicate the presence of a catch-all.
Definition at line 336 of file CGException.cpp.
References clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::EmitLandingPad(), and clang::CodeGen::CodeGenFunction::getTerminateLandingPad().
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Definition at line 116 of file CGException.cpp.
References clang::CodeGen::EHPersonality::GNU_C, clang::CodeGen::EHPersonality::GNU_C_SEH, clang::CodeGen::EHPersonality::GNU_C_SJLJ, and useLibGCCSEHPersonality().
Referenced by clang::CodeGen::EHPersonality::get(), and getObjCPersonality().
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Definition at line 145 of file CGException.cpp.
References clang::CodeGen::EHPersonality::GNU_CPlusPlus, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SEH, clang::CodeGen::EHPersonality::GNU_CPlusPlus_SJLJ, and useLibGCCSEHPersonality().
Referenced by clang::CodeGen::EHPersonality::get(), and getObjCXXPersonality().
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Definition at line 32 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
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Definition at line 125 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCPersonality(), clang::ObjCRuntime::getKind(), clang::ObjCRuntime::getVersion(), clang::CodeGen::EHPersonality::GNU_ObjC, clang::ObjCRuntime::GNUstep, clang::CodeGen::EHPersonality::GNUstep_ObjC, clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::CodeGen::EHPersonality::NeXT_ObjC, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, and clang::ObjCRuntime::WatchOS.
Referenced by clang::CodeGen::EHPersonality::get().
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Determines the personality function to use when both C++ and Objective-C exceptions are being caught.
Definition at line 156 of file CGException.cpp.
References clang::ObjCRuntime::FragileMacOSX, clang::ObjCRuntime::GCC, getCXXPersonality(), clang::ObjCRuntime::getKind(), clang::CodeGen::EHPersonality::GNU_ObjC, clang::CodeGen::EHPersonality::GNU_ObjCXX, clang::ObjCRuntime::GNUstep, clang::ObjCRuntime::iOS, clang::ObjCRuntime::MacOSX, clang::CodeGen::EHPersonality::NeXT_ObjC, clang::LangOptions::ObjCRuntime, clang::ObjCRuntime::ObjFW, and clang::ObjCRuntime::WatchOS.
Referenced by clang::CodeGen::EHPersonality::get().
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Definition at line 230 of file CGException.cpp.
References getPersonalityFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl(), and clang::CodeGen::CodeGenFunction::getTerminateLandingPad().
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Definition at line 222 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int32Ty, and clang::CodeGen::EHPersonality::PersonalityFn.
Referenced by getOpaquePersonalityFn().
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Definition at line 183 of file CGException.cpp.
References clang::CodeGen::EHPersonality::MSVC_C_specific_handler, and clang::CodeGen::EHPersonality::MSVC_except_handler.
Referenced by clang::CodeGen::EHPersonality::get().
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Definition at line 41 of file CGException.cpp.
References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::VoidTy.
Referenced by emitFilterDispatchBlock().
Check whether this is a non-EH scope, i.e.
a scope which doesn't affect exception handling. Currently, the only non-EH scopes are normal-only cleanup scopes.
Definition at line 671 of file CGException.cpp.
References clang::CodeGen::EHScope::Catch, clang::CodeGen::EHScope::Cleanup, clang::CodeGen::EHScope::Filter, clang::CodeGen::EHScope::getKind(), clang::CodeGen::isEHCleanup(), clang::CodeGen::EHScope::PadEnd, S, and clang::CodeGen::EHScope::Terminate.
Referenced by clang::CodeGen::CodeGenFunction::getInvokeDestImpl().
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Check whether a landingpad instruction only uses C++ features.
Definition at line 237 of file CGException.cpp.
Referenced by PersonalityHasOnlyCXXUses().
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Check whether a personality function could reasonably be swapped for a C++ personality function.
Definition at line 268 of file CGException.cpp.
References E, and LandingPadHasOnlyCXXUses().
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On Win64, use libgcc's SEH personality function.
We fall back to dwarf on other platforms, unless the user asked for SjLj exceptions.
Definition at line 112 of file CGException.cpp.
Referenced by getCPersonality(), and getCXXPersonality().