You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
2.5 KiB
130 lines
2.5 KiB
/*
|
|
* memset test.
|
|
*
|
|
* Copyright (c) 2019-2020, Arm Limited.
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "mte.h"
|
|
#include "stringlib.h"
|
|
#include "stringtest.h"
|
|
|
|
#define F(x, mte) {#x, x, mte},
|
|
|
|
static const struct fun
|
|
{
|
|
const char *name;
|
|
void *(*fun) (void *s, int c, size_t n);
|
|
int test_mte;
|
|
} funtab[] = {
|
|
// clang-format off
|
|
F(memset, 0)
|
|
#if __aarch64__
|
|
F(__memset_aarch64, 1)
|
|
#elif __arm__
|
|
F(__memset_arm, 0)
|
|
#endif
|
|
{0, 0, 0}
|
|
// clang-format on
|
|
};
|
|
#undef F
|
|
|
|
#define A 32
|
|
#define LEN 250000
|
|
static unsigned char *sbuf;
|
|
|
|
static void *
|
|
alignup (void *p)
|
|
{
|
|
return (void *) (((uintptr_t) p + A - 1) & -A);
|
|
}
|
|
|
|
static void
|
|
test (const struct fun *fun, int salign, int c, int len)
|
|
{
|
|
unsigned char *src = alignup (sbuf);
|
|
unsigned char *s = src + salign;
|
|
void *p;
|
|
int i;
|
|
|
|
if (err_count >= ERR_LIMIT)
|
|
return;
|
|
if (len > LEN || salign >= A)
|
|
abort ();
|
|
for (i = 0; i < len + A; i++)
|
|
src[i] = '?';
|
|
for (i = 0; i < len; i++)
|
|
s[i] = 'a' + i % 23;
|
|
|
|
s = tag_buffer (s, len, fun->test_mte);
|
|
p = fun->fun (s, c, len);
|
|
untag_buffer (s, len, fun->test_mte);
|
|
|
|
if (p != s)
|
|
ERR ("%s(%p,..) returned %p\n", fun->name, s, p);
|
|
|
|
for (i = 0; i < salign; i++)
|
|
{
|
|
if (src[i] != '?')
|
|
{
|
|
ERR ("%s(align %d, %d, %d) failed\n", fun->name, salign, c, len);
|
|
quoteat ("got", src, len + A, i);
|
|
return;
|
|
}
|
|
}
|
|
for (; i < salign + len; i++)
|
|
{
|
|
if (src[i] != (unsigned char) c)
|
|
{
|
|
ERR ("%s(align %d, %d, %d) failed\n", fun->name, salign, c, len);
|
|
quoteat ("got", src, len + A, i);
|
|
return;
|
|
}
|
|
}
|
|
for (; i < len + A; i++)
|
|
{
|
|
if (src[i] != '?')
|
|
{
|
|
ERR ("%s(align %d, %d, %d) failed\n", fun->name, salign, c, len);
|
|
quoteat ("got", src, len + A, i);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
sbuf = mte_mmap (LEN + 2 * A);
|
|
int r = 0;
|
|
for (int i = 0; funtab[i].name; i++)
|
|
{
|
|
err_count = 0;
|
|
for (int s = 0; s < A; s++)
|
|
{
|
|
int n;
|
|
for (n = 0; n < 100; n++)
|
|
{
|
|
test (funtab + i, s, 0, n);
|
|
test (funtab + i, s, 0x25, n);
|
|
test (funtab + i, s, 0xaa25, n);
|
|
}
|
|
for (; n < LEN; n *= 2)
|
|
{
|
|
test (funtab + i, s, 0, n);
|
|
test (funtab + i, s, 0x25, n);
|
|
test (funtab + i, s, 0xaa25, n);
|
|
}
|
|
}
|
|
char *pass = funtab[i].test_mte && mte_enabled () ? "MTE PASS" : "PASS";
|
|
printf ("%s %s\n", err_count ? "FAIL" : pass, funtab[i].name);
|
|
if (err_count)
|
|
r = -1;
|
|
}
|
|
return r;
|
|
}
|