76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/*
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* Check decoding of socketcall syscall.
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*
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* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_socketcall
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# include <assert.h>
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# include <stdio.h>
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# include <unistd.h>
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# include "xlat.h"
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# include "xlat/socketcalls.h"
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static const char *
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xlookup_uint(const struct xlat *xlat, const unsigned int val)
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{
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for (; xlat->str != NULL; xlat++)
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if (xlat->val == val)
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return xlat->str;
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return NULL;
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}
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static const int sc_min = 1, sc_max = 20;
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static void *efault;
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static void
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test_socketcall(const int i, const void *const addr)
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{
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const unsigned long call =
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(unsigned long) 0xfacefeed00000000ULL | (unsigned int) i;
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long rc = syscall(__NR_socketcall, call, addr);
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if (i < sc_min || i > sc_max) {
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printf("socketcall(%d, %p) = %ld %s (%m)\n",
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(int) call, addr, rc, errno2name());
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} else if (addr == efault) {
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const char *const str = xlookup_uint(socketcalls, i);
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assert(str);
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printf("socketcall(%s, %p) = %ld %s (%m)\n",
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str, addr, rc, errno2name());
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}
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}
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int
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main(void)
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{
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assert((unsigned) sc_min == socketcalls[0].val);
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assert((unsigned) sc_max == socketcalls[ARRAY_SIZE(socketcalls) - 2].val);
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const unsigned long *const args = tail_alloc(sizeof(*args) * 6);
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efault = tail_alloc(1) + 1;
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int i;
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for (i = sc_min - 3; i <= sc_max + 3; ++i) {
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test_socketcall(i, efault);
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test_socketcall(i, args);
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_socketcall")
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#endif
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