451a9ce9ff
This PR introduces the use of pointer authentication to objective-c[++]. This includes: * __ptrauth qualifier support for ivars * protection of isa and super fields * protection of SEL typed ivars * protection of class_ro_t data * protection of methodlist pointers and content
18 lines
736 B
Objective-C
18 lines
736 B
Objective-C
// RUN: %clang_cc1 -triple arm64e -fptrauth-calls -fptrauth-vtable-pointer-address-discrimination -fptrauth-vtable-pointer-type-discrimination -emit-llvm -fexceptions -fobjc-exceptions -o - %s | FileCheck %s
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__attribute__((objc_root_class))
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@interface Root {
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Class isa;
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}
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@end
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__attribute__((objc_exception))
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@interface A : Root
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@end
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@implementation A
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@end
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// CHECK: @"OBJC_EHTYPE_$_A" = global %struct._objc_typeinfo { ptr ptrauth (ptr getelementptr inbounds (ptr, ptr @objc_ehtype_vtable, i32 2), i32 2), ptr @OBJC_CLASS_NAME_, ptr @"OBJC_CLASS_$_A" }
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//. @"OBJC_EHTYPE_$_A" = global %struct._objc_typeinfo { ptr getelementptr inbounds (ptr, ptr @objc_ehtype_vtable, i32 2), ptr @OBJC_CLASS_NAME_, ptr @"OBJC_CLASS_$_A" }
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