File: blraa.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (28 lines) | stat: -rw-r--r-- 875 bytes parent folder | download | duplicates (16) 
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
 
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