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/*
* This file is part of time strace test.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2015-2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_time
# include <errno.h>
# include <stdio.h>
# include <stdint.h>
# include <unistd.h>
typedef kernel_ulong_t kernel_time_t;
static kernel_long_t
k_time(void *p)
{
# if defined __x86_64__ && defined __ILP32__
register long arg asm("rdi") = (uintptr_t) p;
kernel_long_t rc;
asm volatile("syscall\n\t"
: "=a"(rc)
: "0"(__NR_time), "r"(arg)
: "memory", "cc", "r11", "cx");
if (rc < 0 && rc >= -4095) {
errno = -rc;
rc = (kernel_long_t) -1LL;
}
return rc;
# else
const kernel_ulong_t arg = (uintptr_t) p;
const kernel_ulong_t bad = (kernel_ulong_t) 0xbadc0dedbadc0dedULL;
return syscall(__NR_time, arg, bad, bad, bad, bad, bad);
# endif
}
int
main(void)
{
TAIL_ALLOC_OBJECT_CONST_PTR(kernel_time_t, p);
kernel_ulong_t t = k_time(NULL);
if (t == (kernel_ulong_t) -1ULL)
perror_msg_and_skip("time");
printf("time(NULL) = %llu (", (unsigned long long) t);
print_time_t_nsec(t, 0, 0);
puts(")");
t = k_time(p + 1);
printf("time(%p) = %s\n", p + 1, sprintrc(t));
t = k_time(p);
printf("time([%lld", (long long) *p);
print_time_t_nsec(*p, 0, 1),
printf("]) = %llu (", (unsigned long long) t);
print_time_t_nsec(t, 0, 0);
puts(")");
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_time")
#endif
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