forked from OSchip/llvm-project
Define LLVM types for nonfragile abi metadata.
llvm-svn: 62830
This commit is contained in:
Fariborz Jahanian
parent
e2c430b317
commit
0232c0569f
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@ -78,6 +78,11 @@ public:
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// MethodTy - LLVM type for struct objc_method.
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const llvm::StructType *MethodTy;
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/// CacheTy - LLVM type for struct objc_cache.
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const llvm::Type *CacheTy;
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/// CachePtrTy - LLVM type for struct objc_cache *.
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const llvm::Type *CachePtrTy;
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llvm::Function *GetPropertyFn, *SetPropertyFn;
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llvm::Function *EnumerationMutationFn;
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@ -151,10 +156,6 @@ public:
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const llvm::StructType *ClassExtensionTy;
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/// ClassExtensionPtrTy - LLVM type for struct objc_class_ext *.
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const llvm::Type *ClassExtensionPtrTy;
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/// CacheTy - LLVM type for struct objc_cache.
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const llvm::Type *CacheTy;
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/// CachePtrTy - LLVM type for struct objc_cache *.
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const llvm::Type *CachePtrTy;
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// IvarTy - LLVM type for struct objc_ivar.
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const llvm::StructType *IvarTy;
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/// IvarListTy - LLVM type for struct objc_ivar_list.
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@ -215,6 +216,42 @@ public:
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/// modern abi
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class ObjCNonFragileABITypesHelper : public ObjCCommonTypesHelper {
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public:
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// MethodListnfABITy - LLVM for struct _method_list_t
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const llvm::StructType *MethodListnfABITy;
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// MethodListnfABIPtrTy - LLVM for struct _method_list_t*
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const llvm::Type *MethodListnfABIPtrTy;
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// ProtocolnfABITy = LLVM for struct _protocol_t
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const llvm::StructType *ProtocolnfABITy;
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// ProtocolListnfABITy - LLVM for struct _objc_protocol_list
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const llvm::StructType *ProtocolListnfABITy;
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// ProtocolListnfABIPtrTy - LLVM for struct _objc_protocol_list*
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const llvm::Type *ProtocolListnfABIPtrTy;
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// ClassnfABITy - LLVM for struct _class_t
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const llvm::StructType *ClassnfABITy;
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// IvarnfABITy - LLVM for struct _ivar_t
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const llvm::StructType *IvarnfABITy;
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// IvarListnfABITy - LLVM for struct _ivar_list_t
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const llvm::StructType *IvarListnfABITy;
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// IvarListnfABIPtrTy = LLVM for struct _ivar_list_t*
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const llvm::Type *IvarListnfABIPtrTy;
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// ClassRonfABITy - LLVM for struct _class_ro_t
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const llvm::StructType *ClassRonfABITy;
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// ImpnfABITy - LLVM for id (*)(id, SEL, ...)
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const llvm::Type *ImpnfABITy;
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// CategorynfABITy - LLVM for struct _category_t
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const llvm::StructType *CategorynfABITy;
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ObjCNonFragileABITypesHelper(CodeGen::CodeGenModule &cgm);
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~ObjCNonFragileABITypesHelper(){}
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};
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@ -2326,9 +2363,9 @@ ObjCCommonTypesHelper::ObjCCommonTypesHelper(CodeGen::CodeGenModule &cgm)
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PropertyTy);
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// struct _prop_list_t {
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// uint32_t entsize; // sizeof(struct _objc_property)
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// uint32_t entsize; // sizeof(struct _prop_t)
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// uint32_t count_of_properties;
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// struct _objc_property prop_list[count_of_properties];
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// struct _prop_t prop_list[count_of_properties];
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// }
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PropertyListTy = llvm::StructType::get(IntTy,
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IntTy,
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@ -2349,6 +2386,11 @@ ObjCCommonTypesHelper::ObjCCommonTypesHelper(CodeGen::CodeGenModule &cgm)
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Int8PtrTy,
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NULL);
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CGM.getModule().addTypeName("struct._objc_method", MethodTy);
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// struct _objc_cache *
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CacheTy = llvm::OpaqueType::get();
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CGM.getModule().addTypeName("struct._objc_cache", CacheTy);
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CachePtrTy = llvm::PointerType::getUnqual(CacheTy);
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// Property manipulation functions.
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@ -2531,11 +2573,6 @@ ObjCTypesHelper::ObjCTypesHelper(CodeGen::CodeGenModule &cgm)
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CGM.getModule().addTypeName("struct._objc_method_list", MethodListTy);
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MethodListPtrTy = llvm::PointerType::getUnqual(MethodListTy);
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// struct _objc_cache *
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CacheTy = llvm::OpaqueType::get();
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CGM.getModule().addTypeName("struct._objc_cache", CacheTy);
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CachePtrTy = llvm::PointerType::getUnqual(CacheTy);
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// struct _objc_class_extension *
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ClassExtensionTy =
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llvm::StructType::get(IntTy,
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@ -2774,32 +2811,63 @@ ObjCNonFragileABITypesHelper::ObjCNonFragileABITypesHelper(CodeGen::CodeGenModul
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// uint32_t method_count;
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// struct _objc_method method_list[method_count];
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// }
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MethodListnfABITy = llvm::StructType::get(IntTy,
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IntTy,
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llvm::ArrayType::get(MethodTy, 0),
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NULL);
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CGM.getModule().addTypeName("struct.__method_list_t",
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MethodListnfABITy);
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// struct method_list_t *
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MethodListnfABIPtrTy = llvm::PointerType::getUnqual(MethodListnfABITy);
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// struct _protocol_t {
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// id isa; // NULL
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// const char * const protocol_name;
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// const struct * _protocol_t const protocol_list;
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// const struct _protocol_list_t * protocol_list; // super protocols
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// const struct method_list_t * const instance_methods;
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// const struct method_list_t * const class_methods;
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// const struct method_list_t *optionalInstanceMethods;
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// const struct method_list_t *optionalClassMethods;
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// const struct _prop_list_t * const properties;
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// const struct _prop_list_t * properties;
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// const uint32_t size; // sizeof(struct _protocol_t)
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// const uint32_t flags; // = 0
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// }
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// Holder for struct _protocol_list_t *
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llvm::PATypeHolder ProtocolListTyHolder = llvm::OpaqueType::get();
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ProtocolnfABITy = llvm::StructType::get(ObjectPtrTy,
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Int8PtrTy,
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llvm::PointerType::getUnqual(
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ProtocolListTyHolder),
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MethodListnfABIPtrTy,
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MethodListnfABIPtrTy,
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MethodListnfABIPtrTy,
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MethodListnfABIPtrTy,
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PropertyListPtrTy,
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IntTy,
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IntTy,
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NULL);
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CGM.getModule().addTypeName("struct._protocol_t",
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ProtocolnfABITy);
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// struct _objc_protocol_list {
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// long protocol_count;
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// long protocol_count; // Note, this is 32/64 bit
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// struct _protocol_t[protocol_count];
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// }
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// struct _class_t {
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// struct _class_t *isa;
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// struct _class_t * const superclass;
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// void *cache;
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// IMP *vtable;
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// struct class_ro_t *ro;
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// }
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ProtocolListnfABITy = llvm::StructType::get(LongTy,
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llvm::ArrayType::get(
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ProtocolnfABITy, 0),
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NULL);
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CGM.getModule().addTypeName("struct._objc_protocol_list",
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ProtocolListnfABITy);
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// FIXME! Is this doing the right thing?
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cast<llvm::OpaqueType>(ProtocolListTyHolder.get())->refineAbstractTypeTo(
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ProtocolListnfABITy);
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// struct _objc_protocol_list*
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ProtocolListnfABIPtrTy = llvm::PointerType::getUnqual(ProtocolListnfABITy);
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// struct _ivar_t {
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// unsigned long int *offset; // pointer to ivar offset location
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@ -2808,14 +2876,27 @@ ObjCNonFragileABITypesHelper::ObjCNonFragileABITypesHelper(CodeGen::CodeGenModul
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// uint32_t alignment;
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// uint32_t size;
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// }
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IvarnfABITy = llvm::StructType::get(llvm::PointerType::getUnqual(LongTy),
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Int8PtrTy,
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Int8PtrTy,
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IntTy,
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IntTy,
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NULL);
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CGM.getModule().addTypeName("struct._ivar_t", IvarnfABITy);
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// struct _ivar_list_t {
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// uint32 entsize; // sizeof(struct _ivar_t)
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// uint32 count;
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// struct _iver_t list[count];
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// }
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IvarListnfABIPtrTy = llvm::StructType::get(IntTy,
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IntTy,
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llvm::ArrayType::get(
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IvarnfABITy, 0),
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NULL);
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CGM.getModule().addTypeName("struct._ivar_list_t", IvarListnfABIPtrTy);
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// struct class_ro_t {
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// struct _class_ro_t {
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// uint32_t const flags;
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// uint32_t const instanceStart;
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// uint32_t const instanceSize;
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@ -2828,6 +2909,58 @@ ObjCNonFragileABITypesHelper::ObjCNonFragileABITypesHelper(CodeGen::CodeGenModul
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// const uint8_t * const weakIvarLayout;
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// const struct _prop_list_t * const properties;
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// }
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// FIXME. Add 'reserved' field in 64bit abi mode!
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ClassRonfABITy = llvm::StructType::get(IntTy,
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IntTy,
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IntTy,
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Int8PtrTy,
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Int8PtrTy,
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MethodListnfABIPtrTy,
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ProtocolListnfABIPtrTy,
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IvarListnfABIPtrTy,
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Int8PtrTy,
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PropertyListPtrTy,
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NULL);
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CGM.getModule().addTypeName("struct._class_ro_t",
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ClassRonfABITy);
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// ImpnfABITy - LLVM for id (*)(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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ImpnfABITy = llvm::PointerType::getUnqual(
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llvm::FunctionType::get(ObjectPtrTy, Params, false));
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// struct _class_t {
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// struct _class_t *isa;
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// struct _class_t * const superclass;
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// void *cache;
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// IMP *vtable;
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// struct class_ro_t *ro;
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// }
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llvm::PATypeHolder ClassTyHolder = llvm::OpaqueType::get();
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ClassnfABITy = llvm::StructType::get(llvm::PointerType::getUnqual(ClassTyHolder),
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llvm::PointerType::getUnqual(ClassTyHolder),
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CachePtrTy,
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llvm::PointerType::getUnqual(ImpnfABITy),
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llvm::PointerType::getUnqual(
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ClassRonfABITy),
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NULL);
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CGM.getModule().addTypeName("struct._class_t", ClassnfABITy);
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cast<llvm::OpaqueType>(ClassTyHolder.get())->refineAbstractTypeTo(
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ClassnfABITy);
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// struct _category_t {
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// const char * const name;
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// struct _class_t *const cls;
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// const struct _method_list_t * const instance_methods;
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// const struct _method_list_t * const class_methods;
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// const struct _protocol_list_t * const protocols;
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// const struct _prop_list_t * const properties;
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// }
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}
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/* *** */
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