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/*
* Check decoding of socketcall syscall.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_socketcall
# include <assert.h>
# include <stdio.h>
# include <unistd.h>
# include "xlat.h"
# include "xlat/socketcalls.h"
static const char *
xlookup_uint(const struct xlat *xlat, const unsigned int val)
{
for (; xlat->str != NULL; xlat++)
if (xlat->val == val)
return xlat->str;
return NULL;
}
static const int sc_min = 1, sc_max = 20;
static void *efault;
static void
test_socketcall(const int i, const void *const addr)
{
const unsigned long call =
(unsigned long) 0xfacefeed00000000ULL | (unsigned int) i;
long rc = syscall(__NR_socketcall, call, addr);
if (i < sc_min || i > sc_max) {
printf("socketcall(%d, %p) = %ld %s (%m)\n",
(int) call, addr, rc, errno2name());
} else if (addr == efault) {
const char *const str = xlookup_uint(socketcalls, i);
assert(str);
printf("socketcall(%s, %p) = %ld %s (%m)\n",
str, addr, rc, errno2name());
}
}
int
main(void)
{
assert((unsigned) sc_min == socketcalls[0].val);
assert((unsigned) sc_max == socketcalls[ARRAY_SIZE(socketcalls) - 2].val);
const unsigned long *const args = tail_alloc(sizeof(*args) * 6);
efault = tail_alloc(1) + 1;
int i;
for (i = sc_min - 3; i <= sc_max + 3; ++i) {
test_socketcall(i, efault);
test_socketcall(i, args);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_socketcall")
#endif
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