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head/lib/libsysdecode/errno.c

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/*-
* Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <sysdecode.h>
#if defined(__i386__) || defined(__amd64__)
/*
* Linux syscalls return negative errno's, we do positive and map them
* Reference:
* FreeBSD: src/sys/sys/errno.h
* Linux: linux-2.6.17.8/include/asm-generic/errno-base.h
* linux-2.6.17.8/include/asm-generic/errno.h
*/
static int bsd_to_linux_errno[ELAST + 1] = {
-0, -1, -2, -3, -4, -5, -6, -7, -8, -9,
-10, -35, -12, -13, -14, -15, -16, -17, -18, -19,
-20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
-30, -31, -32, -33, -34, -11,-115,-114, -88, -89,
-90, -91, -92, -93, -94, -95, -96, -97, -98, -99,
-100,-101,-102,-103,-104,-105,-106,-107,-108,-109,
-110,-111, -40, -36,-112,-113, -39, -11, -87,-122,
-116, -66, -6, -6, -6, -6, -6, -37, -38, -9,
-6, -6, -43, -42, -75,-125, -84, -95, -16, -74,
-72, -67, -71
};
#endif
#if defined(__aarch64__) || defined(__amd64__)
#include <compat/cloudabi/cloudabi_syscalldefs.h>
static const int cloudabi_errno_table[] = {
[CLOUDABI_E2BIG] = E2BIG,
[CLOUDABI_EACCES] = EACCES,
[CLOUDABI_EADDRINUSE] = EADDRINUSE,
[CLOUDABI_EADDRNOTAVAIL] = EADDRNOTAVAIL,
[CLOUDABI_EAFNOSUPPORT] = EAFNOSUPPORT,
[CLOUDABI_EAGAIN] = EAGAIN,
[CLOUDABI_EALREADY] = EALREADY,
[CLOUDABI_EBADF] = EBADF,
[CLOUDABI_EBADMSG] = EBADMSG,
[CLOUDABI_EBUSY] = EBUSY,
[CLOUDABI_ECANCELED] = ECANCELED,
[CLOUDABI_ECHILD] = ECHILD,
[CLOUDABI_ECONNABORTED] = ECONNABORTED,
[CLOUDABI_ECONNREFUSED] = ECONNREFUSED,
[CLOUDABI_ECONNRESET] = ECONNRESET,
[CLOUDABI_EDEADLK] = EDEADLK,
[CLOUDABI_EDESTADDRREQ] = EDESTADDRREQ,
[CLOUDABI_EDOM] = EDOM,
[CLOUDABI_EDQUOT] = EDQUOT,
[CLOUDABI_EEXIST] = EEXIST,
[CLOUDABI_EFAULT] = EFAULT,
[CLOUDABI_EFBIG] = EFBIG,
[CLOUDABI_EHOSTUNREACH] = EHOSTUNREACH,
[CLOUDABI_EIDRM] = EIDRM,
[CLOUDABI_EILSEQ] = EILSEQ,
[CLOUDABI_EINPROGRESS] = EINPROGRESS,
[CLOUDABI_EINTR] = EINTR,
[CLOUDABI_EINVAL] = EINVAL,
[CLOUDABI_EIO] = EIO,
[CLOUDABI_EISCONN] = EISCONN,
[CLOUDABI_EISDIR] = EISDIR,
[CLOUDABI_ELOOP] = ELOOP,
[CLOUDABI_EMFILE] = EMFILE,
[CLOUDABI_EMLINK] = EMLINK,
[CLOUDABI_EMSGSIZE] = EMSGSIZE,
[CLOUDABI_EMULTIHOP] = EMULTIHOP,
[CLOUDABI_ENAMETOOLONG] = ENAMETOOLONG,
[CLOUDABI_ENETDOWN] = ENETDOWN,
[CLOUDABI_ENETRESET] = ENETRESET,
[CLOUDABI_ENETUNREACH] = ENETUNREACH,
[CLOUDABI_ENFILE] = ENFILE,
[CLOUDABI_ENOBUFS] = ENOBUFS,
[CLOUDABI_ENODEV] = ENODEV,
[CLOUDABI_ENOENT] = ENOENT,
[CLOUDABI_ENOEXEC] = ENOEXEC,
[CLOUDABI_ENOLCK] = ENOLCK,
[CLOUDABI_ENOLINK] = ENOLINK,
[CLOUDABI_ENOMEM] = ENOMEM,
[CLOUDABI_ENOMSG] = ENOMSG,
[CLOUDABI_ENOPROTOOPT] = ENOPROTOOPT,
[CLOUDABI_ENOSPC] = ENOSPC,
[CLOUDABI_ENOSYS] = ENOSYS,
[CLOUDABI_ENOTCONN] = ENOTCONN,
[CLOUDABI_ENOTDIR] = ENOTDIR,
[CLOUDABI_ENOTEMPTY] = ENOTEMPTY,
[CLOUDABI_ENOTRECOVERABLE] = ENOTRECOVERABLE,
[CLOUDABI_ENOTSOCK] = ENOTSOCK,
[CLOUDABI_ENOTSUP] = ENOTSUP,
[CLOUDABI_ENOTTY] = ENOTTY,
[CLOUDABI_ENXIO] = ENXIO,
[CLOUDABI_EOVERFLOW] = EOVERFLOW,
[CLOUDABI_EOWNERDEAD] = EOWNERDEAD,
[CLOUDABI_EPERM] = EPERM,
[CLOUDABI_EPIPE] = EPIPE,
[CLOUDABI_EPROTO] = EPROTO,
[CLOUDABI_EPROTONOSUPPORT] = EPROTONOSUPPORT,
[CLOUDABI_EPROTOTYPE] = EPROTOTYPE,
[CLOUDABI_ERANGE] = ERANGE,
[CLOUDABI_EROFS] = EROFS,
[CLOUDABI_ESPIPE] = ESPIPE,
[CLOUDABI_ESRCH] = ESRCH,
[CLOUDABI_ESTALE] = ESTALE,
[CLOUDABI_ETIMEDOUT] = ETIMEDOUT,
[CLOUDABI_ETXTBSY] = ETXTBSY,
[CLOUDABI_EXDEV] = EXDEV,
[CLOUDABI_ENOTCAPABLE] = ENOTCAPABLE,
};
#endif
int
sysdecode_abi_to_freebsd_errno(enum sysdecode_abi abi, int error)
{
switch (abi) {
case SYSDECODE_ABI_FREEBSD:
case SYSDECODE_ABI_FREEBSD32:
return (error);
#if defined(__i386__) || defined(__amd64__)
case SYSDECODE_ABI_LINUX:
case SYSDECODE_ABI_LINUX32: {
unsigned int i;
/*
* This is imprecise since it returns the first
* matching errno.
*/
for (i = 0; i < nitems(bsd_to_linux_errno); i++) {
if (error == bsd_to_linux_errno[i])
return (i);
}
break;
}
#endif
#if defined(__aarch64__) || defined(__amd64__)
case SYSDECODE_ABI_CLOUDABI64:
if (error >= 0 &&
(unsigned int)error < nitems(cloudabi_errno_table))
return (cloudabi_errno_table[error]);
break;
#endif
default:
break;
}
return (INT_MAX);
}
int
sysdecode_freebsd_to_abi_errno(enum sysdecode_abi abi, int error)
{
switch (abi) {
case SYSDECODE_ABI_FREEBSD:
case SYSDECODE_ABI_FREEBSD32:
return (error);
#if defined(__i386__) || defined(__amd64__)
case SYSDECODE_ABI_LINUX:
case SYSDECODE_ABI_LINUX32:
if (error >= 0 && error <= ELAST)
return (bsd_to_linux_errno[error]);
break;
#endif
#if defined(__aarch64__) || defined(__amd64__)
case SYSDECODE_ABI_CLOUDABI64: {
unsigned int i;
for (i = 0; i < nitems(cloudabi_errno_table); i++) {
if (error == cloudabi_errno_table[i])
return (i);
}
break;
}
#endif
default:
break;
}
return (INT_MAX);
}