391 lines
9.0 KiB
C
391 lines
9.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1994-1996 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* $FreeBSD$
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*/
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#ifndef _I386_LINUX_H_
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#define _I386_LINUX_H_
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#include <sys/abi_compat.h>
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#include <compat/linux/linux.h>
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#include <i386/linux/linux_syscall.h>
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#define LINUX_LEGACY_SYSCALLS
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#define LINUX_DTRACE linuxulator
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/*
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* Provide a separate set of types for the Linux types.
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*/
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typedef int l_int;
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typedef int32_t l_long;
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typedef int64_t l_longlong;
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typedef short l_short;
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typedef unsigned int l_uint;
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typedef uint32_t l_ulong;
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typedef uint64_t l_ulonglong;
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typedef unsigned short l_ushort;
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typedef char *l_caddr_t;
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typedef l_ulong l_uintptr_t;
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typedef l_long l_clock_t;
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typedef l_int l_daddr_t;
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typedef l_uint l_gid_t;
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typedef l_ushort l_gid16_t;
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typedef l_ulong l_ino_t;
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typedef l_int l_key_t;
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typedef l_longlong l_loff_t;
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typedef l_ushort l_mode_t;
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typedef l_long l_off_t;
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typedef l_int l_pid_t;
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typedef l_uint l_size_t;
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typedef l_long l_suseconds_t;
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typedef l_long l_time_t;
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typedef l_longlong l_time64_t;
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typedef l_uint l_uid_t;
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typedef l_ushort l_uid16_t;
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typedef l_int l_timer_t;
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typedef l_int l_mqd_t;
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typedef l_ulong l_fd_mask;
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#include <compat/linux/linux_siginfo.h>
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typedef struct {
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l_int val[2];
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} l_fsid_t;
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typedef struct {
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l_time_t tv_sec;
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l_suseconds_t tv_usec;
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} l_timeval;
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typedef struct {
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l_time64_t tv_sec;
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l_time64_t tv_usec;
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} l_sock_timeval;
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#define l_fd_set fd_set
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/*
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* Miscellaneous
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*/
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#define LINUX_AT_COUNT 21 /* Count of used aux entry types.
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* Keep this synchronized with
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* linux_copyout_auxargs() code.
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*/
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struct l___sysctl_args
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{
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l_int *name;
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l_int nlen;
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void *oldval;
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l_size_t *oldlenp;
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void *newval;
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l_size_t newlen;
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l_ulong __spare[4];
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};
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/* Resource limits */
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#define LINUX_RLIMIT_CPU 0
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#define LINUX_RLIMIT_FSIZE 1
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#define LINUX_RLIMIT_DATA 2
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#define LINUX_RLIMIT_STACK 3
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#define LINUX_RLIMIT_CORE 4
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#define LINUX_RLIMIT_RSS 5
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#define LINUX_RLIMIT_NPROC 6
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#define LINUX_RLIMIT_NOFILE 7
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#define LINUX_RLIMIT_MEMLOCK 8
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#define LINUX_RLIMIT_AS 9 /* Address space limit */
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#define LINUX_RLIM_NLIMITS 10
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struct l_rlimit {
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l_ulong rlim_cur;
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l_ulong rlim_max;
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};
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struct l_mmap_argv {
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l_uintptr_t addr;
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l_size_t len;
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l_int prot;
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l_int flags;
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l_int fd;
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l_off_t pgoff;
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};
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/*
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* stat family of syscalls
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*/
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struct l_timespec {
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l_time_t tv_sec;
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l_long tv_nsec;
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};
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/* __kernel_timespec */
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struct l_timespec64 {
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l_time64_t tv_sec;
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l_longlong tv_nsec;
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};
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struct l_newstat {
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l_ulong st_dev;
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l_ulong st_ino;
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l_ushort st_mode;
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l_ushort st_nlink;
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l_ushort st_uid;
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l_ushort st_gid;
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l_ulong st_rdev;
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l_ulong st_size;
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l_ulong st_blksize;
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l_ulong st_blocks;
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struct l_timespec st_atim;
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struct l_timespec st_mtim;
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struct l_timespec st_ctim;
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l_ulong __unused4;
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l_ulong __unused5;
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};
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/* __old_kernel_stat now */
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struct l_old_stat {
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l_ushort st_dev;
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l_ulong st_ino;
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l_ushort st_mode;
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l_ushort st_nlink;
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l_ushort st_uid;
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l_ushort st_gid;
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l_ushort st_rdev;
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l_long st_size;
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struct l_timespec st_atim;
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struct l_timespec st_mtim;
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struct l_timespec st_ctim;
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l_long st_blksize;
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l_long st_blocks;
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l_ulong st_flags;
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l_ulong st_gen;
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};
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struct l_stat64 {
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l_ulonglong st_dev;
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u_char __pad0[4];
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l_ulong __st_ino;
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l_uint st_mode;
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l_uint st_nlink;
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l_ulong st_uid;
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l_ulong st_gid;
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l_ulonglong st_rdev;
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u_char __pad3[4];
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l_longlong st_size;
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l_ulong st_blksize;
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l_ulonglong st_blocks;
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struct l_timespec st_atim;
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struct l_timespec st_mtim;
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struct l_timespec st_ctim;
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l_ulonglong st_ino;
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};
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struct l_statfs64 {
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l_int f_type;
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l_int f_bsize;
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uint64_t f_blocks;
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uint64_t f_bfree;
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uint64_t f_bavail;
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uint64_t f_files;
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uint64_t f_ffree;
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l_fsid_t f_fsid;
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l_int f_namelen;
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l_int f_frsize;
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l_int f_flags;
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l_int f_spare[4];
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};
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/* sigaction flags */
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#define LINUX_SA_NOCLDSTOP 0x00000001
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#define LINUX_SA_NOCLDWAIT 0x00000002
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#define LINUX_SA_SIGINFO 0x00000004
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#define LINUX_SA_RESTORER 0x04000000
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#define LINUX_SA_ONSTACK 0x08000000
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#define LINUX_SA_RESTART 0x10000000
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#define LINUX_SA_INTERRUPT 0x20000000
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#define LINUX_SA_NOMASK 0x40000000
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#define LINUX_SA_ONESHOT 0x80000000
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/* sigaltstack */
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#define LINUX_MINSIGSTKSZ 2048
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typedef void (*l_handler_t)(l_int);
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typedef l_ulong l_osigset_t;
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typedef struct {
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l_handler_t lsa_handler;
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l_osigset_t lsa_mask;
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l_ulong lsa_flags;
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void (*lsa_restorer)(void);
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} l_osigaction_t;
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typedef struct {
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l_handler_t lsa_handler;
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l_ulong lsa_flags;
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void (*lsa_restorer)(void);
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l_sigset_t lsa_mask;
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} l_sigaction_t;
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typedef struct {
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l_uintptr_t ss_sp;
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l_int ss_flags;
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l_size_t ss_size;
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} l_stack_t;
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extern struct sysentvec linux_sysvec;
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/*
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* arch specific open/fcntl flags
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*/
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#define LINUX_F_GETLK64 12
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#define LINUX_F_SETLK64 13
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#define LINUX_F_SETLKW64 14
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union l_semun {
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l_int val;
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l_uintptr_t buf;
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l_ushort *array;
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l_uintptr_t __buf;
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l_uintptr_t __pad;
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};
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struct l_user_desc {
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l_uint entry_number;
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l_uint base_addr;
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l_uint limit;
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l_uint seg_32bit:1;
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l_uint contents:2;
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l_uint read_exec_only:1;
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l_uint limit_in_pages:1;
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l_uint seg_not_present:1;
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l_uint useable:1;
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};
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struct l_desc_struct {
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unsigned long a, b;
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};
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#define LINUX_LOWERWORD 0x0000ffff
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/*
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* Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
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* These convert Linux user space descriptor to machine one.
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*/
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#define LINUX_LDT_entry_a(info) \
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((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
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((info)->limit & LINUX_LOWERWORD))
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#define LINUX_ENTRY_B_READ_EXEC_ONLY 9
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#define LINUX_ENTRY_B_CONTENTS 10
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#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
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#define LINUX_ENTRY_B_BASE_ADDR 16
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#define LINUX_ENTRY_B_USEABLE 20
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#define LINUX_ENTRY_B_SEG32BIT 22
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#define LINUX_ENTRY_B_LIMIT 23
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#define LINUX_LDT_entry_b(info) \
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(((info)->base_addr & 0xff000000) | \
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((info)->limit & 0xf0000) | \
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((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
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(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
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(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
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(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
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((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
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((info)->useable << LINUX_ENTRY_B_USEABLE) | \
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((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
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#define LINUX_LDT_empty(info) \
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((info)->base_addr == 0 && \
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(info)->limit == 0 && \
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(info)->contents == 0 && \
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(info)->seg_not_present == 1 && \
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(info)->read_exec_only == 1 && \
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(info)->seg_32bit == 0 && \
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(info)->limit_in_pages == 0 && \
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(info)->useable == 0)
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/*
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* Macros for converting segments.
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* They do the same as those in arch/i386/kernel/process.c in Linux.
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*/
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#define LINUX_GET_BASE(desc) \
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((((desc)->a >> 16) & LINUX_LOWERWORD) | \
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(((desc)->b << 16) & 0x00ff0000) | \
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((desc)->b & 0xff000000))
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#define LINUX_GET_LIMIT(desc) \
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(((desc)->a & LINUX_LOWERWORD) | \
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((desc)->b & 0xf0000))
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#define LINUX_GET_32BIT(desc) \
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(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
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#define LINUX_GET_CONTENTS(desc) \
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(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
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#define LINUX_GET_WRITABLE(desc) \
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(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
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#define LINUX_GET_LIMIT_PAGES(desc) \
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(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
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#define LINUX_GET_PRESENT(desc) \
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(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
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#define LINUX_GET_USEABLE(desc) \
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(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
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#define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r))
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/* This corresponds to 'struct user_regs_struct' in Linux. */
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struct linux_pt_regset {
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l_uint ebx;
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l_uint ecx;
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l_uint edx;
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l_uint esi;
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l_uint edi;
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l_uint ebp;
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l_uint eax;
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l_uint ds;
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l_uint es;
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l_uint fs;
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l_uint gs;
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l_uint orig_eax;
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l_uint eip;
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l_uint cs;
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l_uint eflags;
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l_uint esp;
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l_uint ss;
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};
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#ifdef _KERNEL
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struct reg;
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void bsd_to_linux_regset(const struct reg *b_reg,
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struct linux_pt_regset *l_regset);
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#endif /* _KERNEL */
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#endif /* !_I386_LINUX_H_ */
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