foo()1 void foo() {}
2
main()3 int main() {
4 //% self.filecheck("c", "blraa.c")
5 // CHECK: stop reason = EXC_BAD_ACCESS
6 // CHECK-NEXT: Note: Possible pointer authentication failure detected.
7 // CHECK-NEXT: Found authenticated indirect branch at address=0x{{.*}} (blraa.c:[[@LINE+1]]:3).
8 asm volatile (
9 "mov x9, #0xbad \n"
10 "blraa %[target], x9 \n"
11 /* Outputs */ :
12 /* Inputs */ : [target] "r"(&foo)
13 /* Clobbers */ : "x9"
14 );
15
16 return 1;
17 }
18
19 // Expected codegen and exception message without ptrauth diagnostics:
20 // * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x2000000100007f9c)
21 // frame #0: 0x0000000100007f9c blraa2`foo
22 // blraa2`foo:
23 // 0x100007f9c <+0>: ret
24 //
25 // blraa2`main:
26 // 0x100007fa0 <+0>: nop
27 // 0x100007fa4 <+4>: ldr x8, #0x5c
28 // 0x100007fa8 <+8>: mov x9, #0xbad
29