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 registers to apriori known values. */ 7 __asm__ __volatile__( 8 "movq $0x101, %%rax\n" 9 "movq $0x102, %%rbx\n" 10 "movq $0x103, %%rcx\n" 11 "movq $0x104, %%rdx\n" 12 "movq $0x105, %%rsi\n" 13 "movq $0x106, %%rdi\n" 14 "movq $0x107, %%r8\n" 15 "movq $0x108, %%r9\n" 16 "movq $0x109, %%r10\n" 17 "movq $0x10a, %%r11\n" 18 "movq $0x10b, %%r12\n" 19 "movq $0x10c, %%r13\n" 20 "movq $0x10d, %%r14\n" 21 "movq $0x10e, %%r15\n" 22 // not %rbp as mdb is then not able to reconstruct stack trace 23 "movq $0x10f, %%rsp\n" 24 "movq $0x1234, (%%rax)\n" // should cause SEGV here 25 "ud2" // should never get here 26 : // no output registers 27 : // no input registers 28 : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", 29 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rsp"); 30 } 31 32 __attribute__((noinline)) 33 static void outer(void) 34 { 35 inner(); 36 } 37 38 int main(int argc, const char *argv[]) 39 { 40 outer(); 41 return 0; 42 } 43
