1*673dc3d4SNico Weber // Check that ASan dumps the CPU registers on a SIGSEGV.
2*673dc3d4SNico Weber 
3*673dc3d4SNico Weber // RUN: %clangxx_asan %s -o %t
4*673dc3d4SNico Weber // RUN: not %run %t 2>&1 | FileCheck %s
5*673dc3d4SNico Weber 
6*673dc3d4SNico Weber #include <assert.h>
7*673dc3d4SNico Weber #include <stdio.h>
8*673dc3d4SNico Weber #include <sys/mman.h>
9*673dc3d4SNico Weber 
main()10*673dc3d4SNico Weber int main() {
11*673dc3d4SNico Weber   fprintf(stderr, "Hello\n");
12*673dc3d4SNico Weber   char *ptr;
13*673dc3d4SNico Weber 
14*673dc3d4SNico Weber   ptr = (char *)mmap(NULL, 0x10000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
15*673dc3d4SNico Weber   assert(ptr && "failed to mmap");
16*673dc3d4SNico Weber 
17*673dc3d4SNico Weber   fprintf(stderr, sizeof(uintptr_t) == 8 ? "p = 0x%016lx\n" : "p = 0x%08lx\n", (uintptr_t)ptr);
18*673dc3d4SNico Weber   // CHECK: p = [[ADDR:0x[0-9]+]]
19*673dc3d4SNico Weber 
20*673dc3d4SNico Weber   char c = *ptr;  // BOOM
21*673dc3d4SNico Weber   // CHECK: ERROR: AddressSanitizer: {{SEGV|BUS}}
22*673dc3d4SNico Weber   // CHECK: Register values:
23*673dc3d4SNico Weber   // CHECK: [[ADDR]]
24*673dc3d4SNico Weber   fprintf(stderr, "World\n");
25*673dc3d4SNico Weber   return c;
26*673dc3d4SNico Weber }
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