1/* Tests that Valgrind coredump support works correctly by producing
2   a core dump analyzable by mdb. */
3
4#include <stdio.h>
5#include <sys/types.h>
6
7__attribute__((noinline))
8static void inner(void)
9{
10   /* Set registers to apriori known values. */
11   __asm__ __volatile__(
12      "movq $0x101, %%rax\n"
13      "movq $0x102, %%rbx\n"
14      "movq $0x103, %%rcx\n"
15      "movq $0x104, %%rdx\n"
16      "movq $0x105, %%rsi\n"
17      "movq $0x106, %%rdi\n"
18      "movq $0x107, %%r8\n"
19      "movq $0x108, %%r9\n"
20      "movq $0x109, %%r10\n"
21      "movq $0x10a, %%r11\n"
22      "movq $0x10b, %%r12\n"
23      "movq $0x10c, %%r13\n"
24      "movq $0x10d, %%r14\n"
25      "movq $0x10e, %%r15\n"
26      // not %rbp as mdb is then not able to reconstruct stack trace
27      "movq $0x10f, %%rsp\n"
28      "movq $0x1234, (%%rax)\n"  // should cause SEGV here
29      "ud2"                      // should never get here
30      : // no output registers
31      : // no input registers
32      : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi",
33        "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rsp");
34}
35
36__attribute__((noinline))
37static void outer(void)
38{
39   inner();
40}
41
42int main(int argc, const char *argv[])
43{
44   outer();
45   return 0;
46}
47