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authorH.J. Lu <hjl.tools@gmail.com>2018-05-23 03:59:56 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-05-23 04:00:11 -0700
commited983107bbc62245b06b99f02e69acf36a0baa3e (patch)
tree63ccbbcbb3d9ceccdd4e7c9053b028beec6670fe /string
parent9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e (diff)
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Add a test case for [BZ #23196]
[BZ #23196] * string/test-memcpy.c (do_test1): New function. (test_main): Call it.
Diffstat (limited to 'string')
-rw-r--r--string/test-memcpy.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/string/test-memcpy.c b/string/test-memcpy.c
index 45f20a6d804..3c8066da520 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;
}