1 /* Test memcpy with size_t in the lower 32 bits of 64-bit register.
2 Copyright (C) 2019-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #define TEST_NAME "memcpy"
20 #include "test-size_t.h"
21
22 IMPL (memcpy, 1)
23
24 typedef void *(*proto_t) (void *, const void *, size_t);
25
26 static void *
27 __attribute__ ((noinline, noclone))
do_memcpy(parameter_t a,parameter_t b)28 do_memcpy (parameter_t a, parameter_t b)
29 {
30 return CALL (&b, a.p, b.p, a.len);
31 }
32
33 static int
test_main(void)34 test_main (void)
35 {
36 test_init ();
37
38 parameter_t dest = { { page_size }, buf1 };
39 parameter_t src = { { 0 }, buf2 };
40
41 int ret = 0;
42 FOR_EACH_IMPL (impl, 0)
43 {
44 src.fn = impl->fn;
45 do_memcpy (dest, src);
46 int res = memcmp (dest.p, src.p, dest.len);
47 if (res)
48 {
49 error (0, 0, "Wrong result in function %s: %i != 0",
50 impl->name, res);
51 ret = 1;
52 }
53 }
54
55 return ret ? EXIT_FAILURE : EXIT_SUCCESS;
56 }
57
58 #include <support/test-driver.c>
59