| // Check that ASan dumps the CPU registers on a SIGSEGV. |
| |
| // RUN: %clangxx_asan %s -o %t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <sys/mman.h> |
| |
| int main() { |
| fprintf(stderr, "Hello\n"); |
| char *ptr; |
| |
| ptr = (char *)mmap(NULL, 0x10000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0); |
| assert(ptr && "failed to mmap"); |
| |
| fprintf(stderr, sizeof(uintptr_t) == 8 ? "p = 0x%016lx\n" : "p = 0x%08lx\n", (uintptr_t)ptr); |
| // CHECK: p = [[ADDR:0x[0-9]+]] |
| |
| char c = *ptr; // BOOM |
| // CHECK: ERROR: AddressSanitizer: {{SEGV|BUS}} |
| // CHECK: Register values: |
| // CHECK: [[ADDR]] |
| fprintf(stderr, "World\n"); |
| return c; |
| } |