2002-11-07 20:15:01 +01:00
|
|
|
/* Test and measure memcpy functions.
|
* posix/tst-execle1.c (do_test): Add a const.
* posix/tst-execle2.c (do_test): Likewise.
* posix/transbug.c (run_test): Add some casts.
* posix/bug-regex22.c (main): Likewise.
* posix/bug-regex5.c (main): Likewise.
* wcsmbs/tst-mbsrtowcs.c (main): Likewise.
* string/test-strspn.c (do_test, do_random_tests): Likewise.
* string/test-strrchr.c (do_test, do_random_tests): Likewise.
* string/test-strlen.c (do_random_tests): Likewise.
* string/test-strpbrk.c (do_test, do_random_tests): Likewise.
* string/test-strcmp.c (do_random_tests): Likewise.
* string/test-strchr.c (do_test, do_random_tests): Likewise.
* string/test-strcat.c (do_test, do_random_tests): Likewise.
* string/test-strncpy.c (do_random_tests): Likewise.
* string/test-strcpy.c (do_test, do_random_tests): Likewise.
* string/test-memccpy.c (do_test): Likewise.
* string/test-memmove.c (do_test, do_random_tests): Likewise.
* string/test-memcpy.c (do_test, do_random_tests): Likewise.
* string/test-memcmp.c (do_test, do_random_tests): Likewise.
* string/test-memchr.c (do_test, do_random_tests): Likewise.
* dlfcn/bug-atexit1.c (do_test): Fix up prototype in cast.
* stdio-common/tst-fgets.c (do_test): Add a cast.
* iconvdata/bug-iconv4.c (xiconv): Add a cast.
* locale/programs/simple-hash.c (insert_entry_2): Remove useless casts.
* resolv/herror.c (herror): Remove unused extern decl.
* libio/obprintf.c: Include "strfile.h".
* elf/order2mod2.c (init): Cast ignored value to void.
* stdio-common/tstdiomisc.c: If FLT_EVAL_METHOD is 2, use long
2005-12-27 23:50:12 +01:00
|
|
|
Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc.
|
2002-11-07 20:15:01 +01:00
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|
This file is part of the GNU C Library.
|
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|
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|
Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
|
2012-02-10 00:18:22 +01:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
|
2002-11-07 20:15:01 +01:00
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#ifndef MEMCPY_RESULT
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# define MEMCPY_RESULT(dst, len) dst
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# define MIN_PAGE_SIZE 131072
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# define TEST_MAIN
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# include "test-string.h"
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char *simple_memcpy (char *, const char *, size_t);
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char *builtin_memcpy (char *, const char *, size_t);
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IMPL (simple_memcpy, 0)
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IMPL (builtin_memcpy, 0)
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IMPL (memcpy, 1)
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char *
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simple_memcpy (char *dst, const char *src, size_t n)
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|
{
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|
char *ret = dst;
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|
while (n--)
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|
*dst++ = *src++;
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|
return ret;
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|
}
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|
char *
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|
builtin_memcpy (char *dst, const char *src, size_t n)
|
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|
|
{
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|
return __builtin_memcpy (dst, src, n);
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|
}
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|
#endif
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|
typedef char *(*proto_t) (char *, const char *, size_t);
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static void
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do_one_test (impl_t *impl, char *dst, const char *src,
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|
size_t len)
|
|
|
|
{
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|
if (CALL (impl, dst, src, len) != MEMCPY_RESULT (dst, len))
|
|
|
|
{
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|
error (0, 0, "Wrong result in function %s %p %p", impl->name,
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CALL (impl, dst, src, len), MEMCPY_RESULT (dst, len));
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ret = 1;
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|
return;
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|
}
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|
if (memcmp (dst, src, len) != 0)
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|
{
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|
error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
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|
impl->name, dst, src);
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ret = 1;
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return;
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}
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|
|
if (HP_TIMING_AVAIL)
|
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|
|
{
|
2003-04-17 19:38:38 +02:00
|
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|
hp_timing_t start __attribute ((unused));
|
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|
|
hp_timing_t stop __attribute ((unused));
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|
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hp_timing_t best_time = ~ (hp_timing_t) 0;
|
2002-11-07 20:15:01 +01:00
|
|
|
size_t i;
|
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for (i = 0; i < 32; ++i)
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|
|
{
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|
HP_TIMING_NOW (start);
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|
CALL (impl, dst, src, len);
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HP_TIMING_NOW (stop);
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HP_TIMING_BEST (best_time, start, stop);
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|
}
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printf ("\t%zd", (size_t) best_time);
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}
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}
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|
static void
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|
do_test (size_t align1, size_t align2, size_t len)
|
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|
|
{
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|
size_t i, j;
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char *s1, *s2;
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align1 &= 63;
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|
if (align1 + len >= page_size)
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|
return;
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|
align2 &= 63;
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|
|
if (align2 + len >= page_size)
|
|
|
|
return;
|
|
|
|
|
* posix/tst-execle1.c (do_test): Add a const.
* posix/tst-execle2.c (do_test): Likewise.
* posix/transbug.c (run_test): Add some casts.
* posix/bug-regex22.c (main): Likewise.
* posix/bug-regex5.c (main): Likewise.
* wcsmbs/tst-mbsrtowcs.c (main): Likewise.
* string/test-strspn.c (do_test, do_random_tests): Likewise.
* string/test-strrchr.c (do_test, do_random_tests): Likewise.
* string/test-strlen.c (do_random_tests): Likewise.
* string/test-strpbrk.c (do_test, do_random_tests): Likewise.
* string/test-strcmp.c (do_random_tests): Likewise.
* string/test-strchr.c (do_test, do_random_tests): Likewise.
* string/test-strcat.c (do_test, do_random_tests): Likewise.
* string/test-strncpy.c (do_random_tests): Likewise.
* string/test-strcpy.c (do_test, do_random_tests): Likewise.
* string/test-memccpy.c (do_test): Likewise.
* string/test-memmove.c (do_test, do_random_tests): Likewise.
* string/test-memcpy.c (do_test, do_random_tests): Likewise.
* string/test-memcmp.c (do_test, do_random_tests): Likewise.
* string/test-memchr.c (do_test, do_random_tests): Likewise.
* dlfcn/bug-atexit1.c (do_test): Fix up prototype in cast.
* stdio-common/tst-fgets.c (do_test): Add a cast.
* iconvdata/bug-iconv4.c (xiconv): Add a cast.
* locale/programs/simple-hash.c (insert_entry_2): Remove useless casts.
* resolv/herror.c (herror): Remove unused extern decl.
* libio/obprintf.c: Include "strfile.h".
* elf/order2mod2.c (init): Cast ignored value to void.
* stdio-common/tstdiomisc.c: If FLT_EVAL_METHOD is 2, use long
2005-12-27 23:50:12 +01:00
|
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s1 = (char *) (buf1 + align1);
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s2 = (char *) (buf2 + align2);
|
2002-11-07 20:15:01 +01:00
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for (i = 0, j = 1; i < len; i++, j += 23)
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s1[i] = j;
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if (HP_TIMING_AVAIL)
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printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
|
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FOR_EACH_IMPL (impl, 0)
|
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do_one_test (impl, s2, s1, len);
|
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if (HP_TIMING_AVAIL)
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putchar ('\n');
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|
}
|
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|
|
|
static void
|
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|
|
do_random_tests (void)
|
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|
|
{
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|
size_t i, j, n, align1, align2, len, size1, size2, size;
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|
int c;
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|
|
unsigned char *p1, *p2;
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|
|
unsigned char *res;
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|
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|
for (n = 0; n < ITERATIONS; n++)
|
|
|
|
{
|
|
|
|
if (n == 0)
|
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|
|
{
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|
|
len = getpagesize ();
|
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|
size = len + 512;
|
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|
|
size1 = size;
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|
size2 = size;
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|
|
align1 = 512;
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|
align2 = 512;
|
|
|
|
}
|
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|
|
else
|
|
|
|
{
|
|
|
|
if ((random () & 255) == 0)
|
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|
|
size = 65536;
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|
else
|
|
|
|
size = 768;
|
|
|
|
if (size > page_size)
|
|
|
|
size = page_size;
|
|
|
|
size1 = size;
|
|
|
|
size2 = size;
|
|
|
|
i = random ();
|
|
|
|
if (i & 3)
|
|
|
|
size -= 256;
|
|
|
|
if (i & 1)
|
|
|
|
size1 -= 256;
|
|
|
|
if (i & 2)
|
|
|
|
size2 -= 256;
|
|
|
|
if (i & 4)
|
|
|
|
{
|
|
|
|
len = random () % size;
|
|
|
|
align1 = size1 - len - (random () & 31);
|
|
|
|
align2 = size2 - len - (random () & 31);
|
|
|
|
if (align1 > size1)
|
|
|
|
align1 = 0;
|
|
|
|
if (align2 > size2)
|
|
|
|
align2 = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
align1 = random () & 63;
|
|
|
|
align2 = random () & 63;
|
|
|
|
len = random () % size;
|
|
|
|
if (align1 + len > size1)
|
|
|
|
align1 = size1 - len;
|
|
|
|
if (align2 + len > size2)
|
|
|
|
align2 = size2 - len;
|
|
|
|
}
|
2003-04-17 19:38:38 +02:00
|
|
|
}
|
2002-11-07 20:15:01 +01:00
|
|
|
p1 = buf1 + page_size - size1;
|
|
|
|
p2 = buf2 + page_size - size2;
|
|
|
|
c = random () & 255;
|
|
|
|
j = align1 + len + 256;
|
|
|
|
if (j > size1)
|
|
|
|
j = size1;
|
|
|
|
for (i = 0; i < j; ++i)
|
|
|
|
p1[i] = random () & 255;
|
|
|
|
|
|
|
|
FOR_EACH_IMPL (impl, 1)
|
|
|
|
{
|
|
|
|
j = align2 + len + 256;
|
|
|
|
if (j > size2)
|
|
|
|
j = size2;
|
|
|
|
memset (p2, c, j);
|
* posix/tst-execle1.c (do_test): Add a const.
* posix/tst-execle2.c (do_test): Likewise.
* posix/transbug.c (run_test): Add some casts.
* posix/bug-regex22.c (main): Likewise.
* posix/bug-regex5.c (main): Likewise.
* wcsmbs/tst-mbsrtowcs.c (main): Likewise.
* string/test-strspn.c (do_test, do_random_tests): Likewise.
* string/test-strrchr.c (do_test, do_random_tests): Likewise.
* string/test-strlen.c (do_random_tests): Likewise.
* string/test-strpbrk.c (do_test, do_random_tests): Likewise.
* string/test-strcmp.c (do_random_tests): Likewise.
* string/test-strchr.c (do_test, do_random_tests): Likewise.
* string/test-strcat.c (do_test, do_random_tests): Likewise.
* string/test-strncpy.c (do_random_tests): Likewise.
* string/test-strcpy.c (do_test, do_random_tests): Likewise.
* string/test-memccpy.c (do_test): Likewise.
* string/test-memmove.c (do_test, do_random_tests): Likewise.
* string/test-memcpy.c (do_test, do_random_tests): Likewise.
* string/test-memcmp.c (do_test, do_random_tests): Likewise.
* string/test-memchr.c (do_test, do_random_tests): Likewise.
* dlfcn/bug-atexit1.c (do_test): Fix up prototype in cast.
* stdio-common/tst-fgets.c (do_test): Add a cast.
* iconvdata/bug-iconv4.c (xiconv): Add a cast.
* locale/programs/simple-hash.c (insert_entry_2): Remove useless casts.
* resolv/herror.c (herror): Remove unused extern decl.
* libio/obprintf.c: Include "strfile.h".
* elf/order2mod2.c (init): Cast ignored value to void.
* stdio-common/tstdiomisc.c: If FLT_EVAL_METHOD is 2, use long
2005-12-27 23:50:12 +01:00
|
|
|
res = (unsigned char *) CALL (impl,
|
|
|
|
(char *) (p2 + align2),
|
|
|
|
(char *) (p1 + align1), len);
|
2002-11-07 20:15:01 +01:00
|
|
|
if (res != MEMCPY_RESULT (p2 + align2, len))
|
|
|
|
{
|
|
|
|
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
|
|
|
|
n, impl->name, align1, align2, len, res,
|
|
|
|
MEMCPY_RESULT (p2 + align2, len));
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
for (i = 0; i < align2; ++i)
|
|
|
|
{
|
|
|
|
if (p2[i] != c)
|
|
|
|
{
|
|
|
|
error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
|
|
|
|
n, impl->name, align1, align2, len);
|
|
|
|
ret = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (i = align2 + len; i < j; ++i)
|
|
|
|
{
|
|
|
|
if (p2[i] != c)
|
|
|
|
{
|
|
|
|
error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
|
|
|
|
n, impl->name, align1, align2, len);
|
|
|
|
ret = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (memcmp (p1 + align1, p2 + align2, len))
|
|
|
|
{
|
|
|
|
error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
|
|
|
|
n, impl->name, align1, align2, len);
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
test_main (void)
|
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
test_init ();
|
|
|
|
|
|
|
|
printf ("%23s", "");
|
|
|
|
FOR_EACH_IMPL (impl, 0)
|
|
|
|
printf ("\t%s", impl->name);
|
|
|
|
putchar ('\n');
|
|
|
|
|
|
|
|
for (i = 0; i < 18; ++i)
|
|
|
|
{
|
|
|
|
do_test (0, 0, 1 << i);
|
|
|
|
do_test (i, 0, 1 << i);
|
|
|
|
do_test (0, i, 1 << i);
|
|
|
|
do_test (i, i, 1 << i);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < 32; ++i)
|
|
|
|
{
|
|
|
|
do_test (0, 0, i);
|
|
|
|
do_test (i, 0, i);
|
|
|
|
do_test (0, i, i);
|
|
|
|
do_test (i, i, i);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 3; i < 32; ++i)
|
|
|
|
{
|
|
|
|
if ((i & (i - 1)) == 0)
|
|
|
|
continue;
|
|
|
|
do_test (0, 0, 16 * i);
|
|
|
|
do_test (i, 0, 16 * i);
|
|
|
|
do_test (0, i, 16 * i);
|
|
|
|
do_test (i, i, 16 * i);
|
|
|
|
}
|
|
|
|
|
|
|
|
do_test (0, 0, getpagesize ());
|
|
|
|
|
|
|
|
do_random_tests ();
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
#include "../test-skeleton.c"
|