forked from OSchip/llvm-project
More refactoring of common API to the common class for
the two Next's objc runtimes. More comments. llvm-svn: 62735
This commit is contained in:
Fariborz Jahanian
parent
56493b0d54
commit
eee54df5b6
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@ -65,6 +65,25 @@ public:
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/// SuperPtrTy - LLVM type for struct objc_super *.
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const llvm::Type *SuperPtrTy;
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llvm::Function *GetPropertyFn, *SetPropertyFn;
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llvm::Function *EnumerationMutationFn;
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/// GcReadWeakFn -- LLVM objc_read_weak (id *src) function.
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llvm::Function *GcReadWeakFn;
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/// GcAssignWeakFn -- LLVM objc_assign_weak function.
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llvm::Function *GcAssignWeakFn;
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/// GcAssignGlobalFn -- LLVM objc_assign_global function.
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llvm::Function *GcAssignGlobalFn;
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/// GcAssignIvarFn -- LLVM objc_assign_ivar function.
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llvm::Function *GcAssignIvarFn;
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/// GcAssignStrongCastFn -- LLVM objc_assign_strongCast function.
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llvm::Function *GcAssignStrongCastFn;
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ObjCCommonTypesHelper(CodeGen::CodeGenModule &cgm);
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~ObjCCommonTypesHelper(){}
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};
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@ -143,9 +162,6 @@ public:
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const llvm::Type *MethodListTy;
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/// MethodListPtrTy - LLVM type for struct objc_method_list *.
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const llvm::Type *MethodListPtrTy;
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llvm::Function *GetPropertyFn, *SetPropertyFn;
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llvm::Function *EnumerationMutationFn;
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/// ExceptionDataTy - LLVM type for struct _objc_exception_data.
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const llvm::Type *ExceptionDataTy;
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@ -174,21 +190,6 @@ public:
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/// SyncExitFn - LLVM object_sync_exit function.
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llvm::Function *SyncExitFn;
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/// GcReadWeakFn -- LLVM objc_read_weak (id *src) function.
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llvm::Function *GcReadWeakFn;
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/// GcAssignWeakFn -- LLVM objc_assign_weak function.
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llvm::Function *GcAssignWeakFn;
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/// GcAssignGlobalFn -- LLVM objc_assign_global function.
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llvm::Function *GcAssignGlobalFn;
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/// GcAssignIvarFn -- LLVM objc_assign_ivar function.
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llvm::Function *GcAssignIvarFn;
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/// GcAssignStrongCastFn -- LLVM objc_assign_strongCast function.
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llvm::Function *GcAssignStrongCastFn;
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public:
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ObjCTypesHelper(CodeGen::CodeGenModule &cgm);
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~ObjCTypesHelper() {}
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@ -2309,15 +2310,83 @@ ObjCCommonTypesHelper::ObjCCommonTypesHelper(CodeGen::CodeGenModule &cgm)
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SuperPtrCTy = Ctx.getPointerType(SuperCTy);
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SuperTy = cast<llvm::StructType>(Types.ConvertType(SuperCTy));
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SuperPtrTy = llvm::PointerType::getUnqual(SuperTy);
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SuperPtrTy = llvm::PointerType::getUnqual(SuperTy);
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// Property manipulation functions.
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// id objc_getProperty (id, SEL, ptrdiff_t, bool)
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std::vector<const llvm::Type*> Params;
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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Params.push_back(LongTy);
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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GetPropertyFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_getProperty");
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// void objc_setProperty (id, SEL, ptrdiff_t, id, bool, bool)
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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Params.push_back(LongTy);
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Params.push_back(ObjectPtrTy);
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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SetPropertyFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::VoidTy,
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Params,
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false),
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"objc_setProperty");
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// Enumeration mutation.
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Params.clear();
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Params.push_back(ObjectPtrTy);
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EnumerationMutationFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::VoidTy,
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Params,
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false),
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"objc_enumerationMutation");
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// gc's API
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// id objc_read_weak (id *)
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Params.clear();
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Params.push_back(PtrObjectPtrTy);
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GcReadWeakFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_read_weak");
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// id objc_assign_weak (id, id *)
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(PtrObjectPtrTy);
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GcAssignWeakFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_weak");
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GcAssignGlobalFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_global");
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GcAssignIvarFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_ivar");
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GcAssignStrongCastFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_strongCast");
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}
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ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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: ObjCCommonTypesHelper(cgm)
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{
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CodeGen::CodeGenTypes &Types = CGM.getTypes();
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ASTContext &Ctx = CGM.getContext();
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// struct _objc_method_description {
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// SEL name;
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// char *types;
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@ -2544,6 +2613,12 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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CGM.getModule().addTypeName("struct._objc_symtab", SymtabTy);
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SymtabPtrTy = llvm::PointerType::getUnqual(SymtabTy);
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// struct _objc_module {
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// long version;
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// long size; // sizeof(struct _objc_module)
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// char *name;
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// struct _objc_symtab* symtab;
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// }
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ModuleTy =
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llvm::StructType::get(LongTy,
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LongTy,
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@ -2554,6 +2629,7 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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// Message send functions.
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// id objc_msgSend (id, SEL, ...)
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std::vector<const llvm::Type*> Params;
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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@ -2563,8 +2639,8 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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true),
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"objc_msgSend");
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// id objc_msgSend_stret (id, SEL, ...)
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Params.clear();
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Params.push_back(Int8PtrTy);
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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MessageSendStretFn =
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@ -2573,16 +2649,19 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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true),
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"objc_msgSend_stret");
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//
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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// FIXME: This should be long double on x86_64?
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// [double | long double] objc_msgSend_fpret(id self, SEL op, ...)
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MessageSendFpretFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::DoubleTy,
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Params,
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true),
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"objc_msgSend_fpret");
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// id objc_msgSendSuper(struct objc_super *super, SEL op, ...)
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Params.clear();
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Params.push_back(SuperPtrTy);
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Params.push_back(SelectorPtrTy);
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@ -2592,6 +2671,8 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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true),
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"objc_msgSendSuper");
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// void objc_msgSendSuper_stret(void * stretAddr, struct objc_super *super,
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// SEL op, ...)
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Params.clear();
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Params.push_back(Int8PtrTy);
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Params.push_back(SuperPtrTy);
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@ -2605,42 +2686,6 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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// There is no objc_msgSendSuper_fpret? How can that work?
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MessageSendSuperFpretFn = MessageSendSuperFn;
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// Property manipulation functions.
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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Params.push_back(LongTy);
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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GetPropertyFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_getProperty");
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(SelectorPtrTy);
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Params.push_back(LongTy);
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Params.push_back(ObjectPtrTy);
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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Params.push_back(Types.ConvertTypeForMem(Ctx.BoolTy));
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SetPropertyFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::VoidTy,
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Params,
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false),
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"objc_setProperty");
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// Enumeration mutation.
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Params.clear();
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Params.push_back(ObjectPtrTy);
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EnumerationMutationFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(llvm::Type::VoidTy,
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Params,
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false),
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"objc_enumerationMutation");
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// FIXME: This is the size of the setjmp buffer and should be
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// target specific. 18 is what's used on 32-bit X86.
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uint64_t SetJmpBufferSize = 18;
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@ -2716,40 +2761,6 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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false),
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"_setjmp");
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// gc's API
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// id objc_read_weak (id *)
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Params.clear();
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Params.push_back(PtrObjectPtrTy);
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GcReadWeakFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_read_weak");
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// id objc_assign_weak (id, id *)
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Params.clear();
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Params.push_back(ObjectPtrTy);
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Params.push_back(PtrObjectPtrTy);
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GcAssignWeakFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_weak");
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GcAssignGlobalFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_global");
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GcAssignIvarFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_ivar");
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GcAssignStrongCastFn =
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CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
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Params,
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false),
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"objc_assign_strongCast");
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}
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ObjCModernTypesHelper::ObjCModernTypesHelper(CodeGen::CodeGenModule &cgm)
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