diff options
Diffstat (limited to 'string/test-memcpy.c')
| -rw-r--r-- | string/test-memcpy.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/string/test-memcpy.c b/string/test-memcpy.c index 49f0a76047..dfc94b2e92 100644 --- a/string/test-memcpy.c +++ b/string/test-memcpy.c @@ -212,6 +212,50 @@ do_random_tests (void) } } +static void +do_test1 (void) +{ + size_t size = 0x100000; + void *large_buf; + + large_buf = mmap (NULL, size * 2 + page_size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0); + if (large_buf == MAP_FAILED) + { + puts ("Failed to allocat large_buf, skipping do_test1"); + return; + } + + if (mprotect (large_buf + size, page_size, PROT_NONE)) + error (EXIT_FAILURE, errno, "mprotect failed"); + + size_t arrary_size = size / sizeof (uint32_t); + uint32_t *dest = large_buf; + uint32_t *src = large_buf + size + page_size; + size_t i; + + for (i = 0; i < arrary_size; i++) + src[i] = (uint32_t) i; + + FOR_EACH_IMPL (impl, 0) + { + memset (dest, -1, size); + CALL (impl, (char *) dest, (char *) src, size); + for (i = 0; i < arrary_size; i++) + if (dest[i] != src[i]) + { + error (0, 0, + "Wrong result in function %s dst \"%p\" src \"%p\" offset \"%zd\"", + impl->name, dest, src, i); + ret = 1; + break; + } + } + + munmap ((void *) dest, size); + munmap ((void *) src, size); +} + int test_main (void) { @@ -253,6 +297,9 @@ test_main (void) do_test (0, 0, getpagesize ()); do_random_tests (); + + do_test1 (); + return ret; } |