1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// RUN: %clang_cc1 %s -mllvm -ptrauth-emit-wrapper-globals=1 -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s
// RUN: %clang_cc1 -xc++ %s -mllvm -ptrauth-emit-wrapper-globals=1 -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s --check-prefixes=CHECK,CXX
#ifdef __cplusplus
extern "C" {
#endif
void f(void);
// CHECK: @f.ptrauth = private constant { ptr, i32, i64, i64 } { ptr @f, i32 0, i64 0, i64 0 }, section "llvm.ptrauth"
#ifdef __cplusplus
// CXX-LABEL: define internal void @__cxx_global_var_init()
// CXX: store ptr getelementptr inbounds (i32, ptr @f.ptrauth, i64 2), ptr @_ZL2fp, align 8
__attribute__((used))
void (*const fp)(void) = (void (*)(void))((int *)&f + 2); // Error in C mode.
#endif
// CHECK-LABEL: define void @t1()
void t1() {
// CHECK: [[PF:%.*]] = alloca ptr
// CHECK: store ptr getelementptr inbounds (i32, ptr @f.ptrauth, i64 2), ptr [[PF]]
void (*pf)(void) = (void (*)(void))((int *)&f + 2);
(void)pf;
}
#ifdef __cplusplus
}
#endif
|
