// 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 #include #include 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; }