void foo() {}
int main() {
//% self.filecheck("c", "blraa.c")
// CHECK: stop reason = EXC_BAD_ACCESS
// CHECK-NEXT: Note: Possible pointer authentication failure detected.
// CHECK-NEXT: Found authenticated indirect branch at address=0x{{.*}} (blraa.c:[[@LINE+1]]:3).
asm volatile (
"mov x9, #0xbad \n"
"blraa %[target], x9 \n"
/* Outputs */ :
/* Inputs */ : [target] "r"(&foo)
/* Clobbers */ : "x9"
);
return 1;
}
// Expected codegen and exception message without ptrauth diagnostics:
// * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x2000000100007f9c)
// frame #0: 0x0000000100007f9c blraa2`foo
// blraa2`foo:
// 0x100007f9c <+0>: ret
//
// blraa2`main:
// 0x100007fa0 <+0>: nop
// 0x100007fa4 <+4>: ldr x8, #0x5c
// 0x100007fa8 <+8>: mov x9, #0xbad