1 | void foo() {} |
2 | |
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 | |