1 /* This test used to cause an assertion in the address space manager */
2
3 __attribute__((noinline))
inner(void)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))
outer(void)33 static void outer(void)
34 {
35 inner();
36 }
37
main(int argc,const char * argv[])38 int main(int argc, const char *argv[])
39 {
40 outer();
41 return 0;
42 }
43