| /* Tests that Valgrind coredump support works correctly by producing |
| a core dump analyzable by mdb. */ |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| |
| __attribute__((noinline)) |
| static void inner(void) |
| { |
| /* Set registers to apriori known values. */ |
| __asm__ __volatile__( |
| "movq $0x101, %%rax\n" |
| "movq $0x102, %%rbx\n" |
| "movq $0x103, %%rcx\n" |
| "movq $0x104, %%rdx\n" |
| "movq $0x105, %%rsi\n" |
| "movq $0x106, %%rdi\n" |
| "movq $0x107, %%r8\n" |
| "movq $0x108, %%r9\n" |
| "movq $0x109, %%r10\n" |
| "movq $0x10a, %%r11\n" |
| "movq $0x10b, %%r12\n" |
| "movq $0x10c, %%r13\n" |
| "movq $0x10d, %%r14\n" |
| "movq $0x10e, %%r15\n" |
| // not %rbp as mdb is then not able to reconstruct stack trace |
| "movq $0x10f, %%rsp\n" |
| "movq $0x1234, (%%rax)\n" // should cause SEGV here |
| "ud2" // should never get here |
| : // no output registers |
| : // no input registers |
| : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", |
| "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15", "%rsp"); |
| } |
| |
| __attribute__((noinline)) |
| static void outer(void) |
| { |
| inner(); |
| } |
| |
| int main(int argc, const char *argv[]) |
| { |
| outer(); |
| return 0; |
| } |