1/*-
2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/param.h>
27#include <sys/acl.h>
28#include <sys/wait.h>
29#include <errno.h>
30#include <limits.h>
31#include <stdbool.h>
32#include <stdio.h>
33#include <sysdecode.h>
34
35#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
36#include <compat/linux/linux_errno.h>
37#include <compat/linux/linux_errno.inc>
38#endif
39
40int
41sysdecode_abi_to_freebsd_errno(enum sysdecode_abi abi, int error)
42{
43
44	switch (abi) {
45	case SYSDECODE_ABI_FREEBSD:
46	case SYSDECODE_ABI_FREEBSD32:
47		return (error);
48#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
49	case SYSDECODE_ABI_LINUX:
50	case SYSDECODE_ABI_LINUX32: {
51		unsigned int i;
52
53		/*
54		 * This is imprecise since it returns the first
55		 * matching errno.
56		 */
57		for (i = 0; i < nitems(linux_errtbl); i++) {
58			if (error == linux_errtbl[i])
59				return (i);
60		}
61		break;
62	}
63#endif
64	default:
65		break;
66	}
67	return (INT_MAX);
68}
69
70int
71sysdecode_freebsd_to_abi_errno(enum sysdecode_abi abi, int error)
72{
73
74	switch (abi) {
75	case SYSDECODE_ABI_FREEBSD:
76	case SYSDECODE_ABI_FREEBSD32:
77		return (error);
78#if defined(__aarch64__) || defined(__amd64__) || defined(__i386__)
79	case SYSDECODE_ABI_LINUX:
80	case SYSDECODE_ABI_LINUX32:
81		if (error >= 0 && error <= ELAST)
82			return (linux_errtbl[error]);
83		break;
84#endif
85	default:
86		break;
87	}
88	return (INT_MAX);
89}
90
91