1 /* This test used to cause an assertion in the address space manager */ 2 3 __attribute__((noinline)) 4 static void inner(void) 5 { 6 /* Set other registers to apriori known values. */ 7 __asm__ __volatile__( 8 "movl $0x101, %%eax\n" 9 "movl $0x102, %%ebx\n" 10 "movl $0x103, %%ecx\n" 11 "movl $0x104, %%edx\n" 12 "movl $0x105, %%esi\n" 13 "movl $0x106, %%edi\n" 14 // not %ebp as mdb is then not able to reconstruct stack trace 15 "movl $0x108, %%esp\n" 16 "movl $0x1234, (%%eax)\n" // should cause SEGV here 17 "ud2" // should never get here 18 : // no output registers 19 : // no input registers 20 : "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "%esp"); 21 } 22 23 __attribute__((noinline)) 24 static void outer(void) 25 { 26 inner(); 27 } 28 29 int main(int argc, const char *argv[]) 30 { 31 outer(); 32 return 0; 33 } 34
