d825ce0a5d
by moving bits that are MI out into headers in compat/linux. Reviewed by: Chagin Dmitry dmitry | gmail MFC after: 2 weeks
789 lines
19 KiB
C
789 lines
19 KiB
C
/*-
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* Copyright (c) 2004 Tim J. Robbins
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* Copyright (c) 2001 Doug Rabson
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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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* in this position and unchanged.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _AMD64_LINUX_H_
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#define _AMD64_LINUX_H_
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#include <amd64/linux32/linux32_syscall.h>
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/*
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* debugging support
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*/
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extern u_char linux_debug_map[];
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#define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
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#define ARGS(nm, fmt) "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
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#define LMSG(fmt) "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
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#define LINUX_DTRACE linuxulator32
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_LINUX);
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#endif
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#define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE)
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#define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE)
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#define LINUX32_USRSTACK LINUX32_SHAREDPAGE
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/* XXX 16 = sizeof(linux32_ps_strings) */
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#define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16)
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#define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */
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#define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */
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#define LINUX32_MAXVMEM 0 /* Unlimited */
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#define PTRIN(v) (void *)(uintptr_t)(v)
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#define PTROUT(v) (l_uintptr_t)(uintptr_t)(v)
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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 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_ushort l_dev_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_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 struct {
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l_int val[2];
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} __packed 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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#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 16 /* Count of used aux entry types.
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* Keep this synchronized with
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* elf_linux_fixup() code.
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*/
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struct l___sysctl_args
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{
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l_uintptr_t name;
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l_int nlen;
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l_uintptr_t oldval;
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l_uintptr_t oldlenp;
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l_uintptr_t newval;
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l_size_t newlen;
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l_ulong __spare[4];
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} __packed;
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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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} __packed;
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struct l_rusage {
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l_timeval ru_utime;
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l_timeval ru_stime;
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l_long ru_maxrss;
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l_long ru_ixrss;
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l_long ru_idrss;
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l_long ru_isrss;
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l_long ru_minflt;
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l_long ru_majflt;
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l_long ru_nswap;
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l_long ru_inblock;
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l_long ru_oublock;
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l_long ru_msgsnd;
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l_long ru_msgrcv;
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l_long ru_nsignals;
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l_long ru_nvcsw;
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l_long ru_nivcsw;
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} __packed;
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/* mmap options */
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#define LINUX_MAP_SHARED 0x0001
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#define LINUX_MAP_PRIVATE 0x0002
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#define LINUX_MAP_FIXED 0x0010
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#define LINUX_MAP_ANON 0x0020
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#define LINUX_MAP_GROWSDOWN 0x0100
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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_ulong 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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} __packed;
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struct l_newstat {
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l_ushort st_dev;
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l_ushort __pad1;
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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_ushort __pad2;
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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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} __packed;
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struct l_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_ushort st_dev;
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u_char __pad0[10];
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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_ushort st_rdev;
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u_char __pad3[10];
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l_longlong st_size;
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l_ulong st_blksize;
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l_ulong st_blocks;
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l_ulong __pad4;
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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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} __packed;
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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_spare[6];
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} __packed;
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/*
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* Signalling
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*/
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#define LINUX_SIGHUP 1
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#define LINUX_SIGINT 2
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#define LINUX_SIGQUIT 3
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#define LINUX_SIGILL 4
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#define LINUX_SIGTRAP 5
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#define LINUX_SIGABRT 6
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#define LINUX_SIGIOT LINUX_SIGABRT
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#define LINUX_SIGBUS 7
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#define LINUX_SIGFPE 8
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#define LINUX_SIGKILL 9
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#define LINUX_SIGUSR1 10
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#define LINUX_SIGSEGV 11
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#define LINUX_SIGUSR2 12
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#define LINUX_SIGPIPE 13
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#define LINUX_SIGALRM 14
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#define LINUX_SIGTERM 15
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#define LINUX_SIGSTKFLT 16
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#define LINUX_SIGCHLD 17
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#define LINUX_SIGCONT 18
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#define LINUX_SIGSTOP 19
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#define LINUX_SIGTSTP 20
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#define LINUX_SIGTTIN 21
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#define LINUX_SIGTTOU 22
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#define LINUX_SIGURG 23
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#define LINUX_SIGXCPU 24
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#define LINUX_SIGXFSZ 25
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#define LINUX_SIGVTALRM 26
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#define LINUX_SIGPROF 27
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#define LINUX_SIGWINCH 28
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#define LINUX_SIGIO 29
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#define LINUX_SIGPOLL LINUX_SIGIO
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#define LINUX_SIGPWR 30
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#define LINUX_SIGSYS 31
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#define LINUX_SIGRTMIN 32
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#define LINUX_SIGTBLSZ 31
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#define LINUX_NSIG_WORDS 2
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#define LINUX_NBPW 32
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#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
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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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/* sigprocmask actions */
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#define LINUX_SIG_BLOCK 0
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#define LINUX_SIG_UNBLOCK 1
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#define LINUX_SIG_SETMASK 2
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/* sigset_t macros */
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#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
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#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
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#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
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/* sigaltstack */
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#define LINUX_MINSIGSTKSZ 2048
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#define LINUX_SS_ONSTACK 1
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#define LINUX_SS_DISABLE 2
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int linux_to_bsd_sigaltstack(int lsa);
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int bsd_to_linux_sigaltstack(int bsa);
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typedef l_uintptr_t l_handler_t;
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typedef l_ulong l_osigset_t;
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typedef struct {
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l_uint __bits[LINUX_NSIG_WORDS];
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} __packed l_sigset_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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l_uintptr_t lsa_restorer;
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} __packed 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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l_uintptr_t lsa_restorer;
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l_sigset_t lsa_mask;
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} __packed 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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} __packed l_stack_t;
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/* The Linux sigcontext, pretty much a standard 386 trapframe. */
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struct l_sigcontext {
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l_uint sc_gs;
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l_uint sc_fs;
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l_uint sc_es;
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l_uint sc_ds;
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l_uint sc_edi;
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l_uint sc_esi;
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l_uint sc_ebp;
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l_uint sc_esp;
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l_uint sc_ebx;
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l_uint sc_edx;
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l_uint sc_ecx;
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l_uint sc_eax;
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l_uint sc_trapno;
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l_uint sc_err;
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l_uint sc_eip;
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l_uint sc_cs;
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l_uint sc_eflags;
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l_uint sc_esp_at_signal;
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l_uint sc_ss;
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l_uint sc_387;
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l_uint sc_mask;
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l_uint sc_cr2;
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} __packed;
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struct l_ucontext {
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l_ulong uc_flags;
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l_uintptr_t uc_link;
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l_stack_t uc_stack;
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struct l_sigcontext uc_mcontext;
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l_sigset_t uc_sigmask;
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} __packed;
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#define LINUX_SI_MAX_SIZE 128
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#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
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typedef union l_sigval {
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l_int sival_int;
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l_uintptr_t sival_ptr;
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} l_sigval_t;
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typedef struct l_siginfo {
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l_int lsi_signo;
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l_int lsi_errno;
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l_int lsi_code;
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union {
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l_int _pad[LINUX_SI_PAD_SIZE];
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struct {
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l_pid_t _pid;
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l_uid_t _uid;
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} __packed _kill;
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struct {
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l_timer_t _tid;
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l_int _overrun;
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char _pad[sizeof(l_uid_t) - sizeof(l_int)];
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l_sigval_t _sigval;
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l_int _sys_private;
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} __packed _timer;
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struct {
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l_pid_t _pid; /* sender's pid */
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l_uid_t _uid; /* sender's uid */
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l_sigval_t _sigval;
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} __packed _rt;
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struct {
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l_pid_t _pid; /* which child */
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l_uid_t _uid; /* sender's uid */
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l_int _status; /* exit code */
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l_clock_t _utime;
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l_clock_t _stime;
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} __packed _sigchld;
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|
|
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struct {
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l_uintptr_t _addr; /* Faulting insn/memory ref. */
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} __packed _sigfault;
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|
|
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struct {
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l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
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l_int _fd;
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} __packed _sigpoll;
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} _sifields;
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} __packed l_siginfo_t;
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|
|
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#define lsi_pid _sifields._kill._pid
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#define lsi_uid _sifields._kill._uid
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#define lsi_tid _sifields._timer._tid
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#define lsi_overrun _sifields._timer._overrun
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#define lsi_sys_private _sifields._timer._sys_private
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#define lsi_status _sifields._sigchld._status
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#define lsi_utime _sifields._sigchld._utime
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#define lsi_stime _sifields._sigchld._stime
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#define lsi_value _sifields._rt._sigval
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#define lsi_int _sifields._rt._sigval.sival_int
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#define lsi_ptr _sifields._rt._sigval.sival_ptr
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#define lsi_addr _sifields._sigfault._addr
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#define lsi_band _sifields._sigpoll._band
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#define lsi_fd _sifields._sigpoll._fd
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struct l_fpreg {
|
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u_int16_t significand[4];
|
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u_int16_t exponent;
|
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} __packed;
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|
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struct l_fpxreg {
|
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u_int16_t significand[4];
|
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u_int16_t exponent;
|
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u_int16_t padding[3];
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} __packed;
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|
|
struct l_xmmreg {
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u_int32_t element[4];
|
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} __packed;
|
|
|
|
struct l_fpstate {
|
|
/* Regular FPU environment */
|
|
u_int32_t cw;
|
|
u_int32_t sw;
|
|
u_int32_t tag;
|
|
u_int32_t ipoff;
|
|
u_int32_t cssel;
|
|
u_int32_t dataoff;
|
|
u_int32_t datasel;
|
|
struct l_fpreg _st[8];
|
|
u_int16_t status;
|
|
u_int16_t magic; /* 0xffff = regular FPU data */
|
|
|
|
/* FXSR FPU environment */
|
|
u_int32_t _fxsr_env[6]; /* env is ignored. */
|
|
u_int32_t mxcsr;
|
|
u_int32_t reserved;
|
|
struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
|
|
struct l_xmmreg _xmm[8];
|
|
u_int32_t padding[56];
|
|
} __packed;
|
|
|
|
/*
|
|
* We make the stack look like Linux expects it when calling a signal
|
|
* handler, but use the BSD way of calling the handler and sigreturn().
|
|
* This means that we need to pass the pointer to the handler too.
|
|
* It is appended to the frame to not interfere with the rest of it.
|
|
*/
|
|
struct l_sigframe {
|
|
l_int sf_sig;
|
|
struct l_sigcontext sf_sc;
|
|
struct l_fpstate sf_fpstate;
|
|
l_uint sf_extramask[LINUX_NSIG_WORDS-1];
|
|
l_handler_t sf_handler;
|
|
} __packed;
|
|
|
|
struct l_rt_sigframe {
|
|
l_int sf_sig;
|
|
l_uintptr_t sf_siginfo;
|
|
l_uintptr_t sf_ucontext;
|
|
l_siginfo_t sf_si;
|
|
struct l_ucontext sf_sc;
|
|
l_handler_t sf_handler;
|
|
} __packed;
|
|
|
|
extern struct sysentvec elf_linux_sysvec;
|
|
|
|
/*
|
|
* open/fcntl flags
|
|
*/
|
|
#define LINUX_O_RDONLY 00000000
|
|
#define LINUX_O_WRONLY 00000001
|
|
#define LINUX_O_RDWR 00000002
|
|
#define LINUX_O_ACCMODE 00000003
|
|
#define LINUX_O_CREAT 00000100
|
|
#define LINUX_O_EXCL 00000200
|
|
#define LINUX_O_NOCTTY 00000400
|
|
#define LINUX_O_TRUNC 00001000
|
|
#define LINUX_O_APPEND 00002000
|
|
#define LINUX_O_NONBLOCK 00004000
|
|
#define LINUX_O_NDELAY LINUX_O_NONBLOCK
|
|
#define LINUX_O_SYNC 00010000
|
|
#define LINUX_FASYNC 00020000
|
|
#define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
|
|
#define LINUX_O_LARGEFILE 00100000
|
|
#define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
|
|
#define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
|
|
#define LINUX_O_NOATIME 01000000
|
|
#define LINUX_O_CLOEXEC 02000000
|
|
|
|
#define LINUX_F_DUPFD 0
|
|
#define LINUX_F_GETFD 1
|
|
#define LINUX_F_SETFD 2
|
|
#define LINUX_F_GETFL 3
|
|
#define LINUX_F_SETFL 4
|
|
#define LINUX_F_GETLK 5
|
|
#define LINUX_F_SETLK 6
|
|
#define LINUX_F_SETLKW 7
|
|
#define LINUX_F_SETOWN 8
|
|
#define LINUX_F_GETOWN 9
|
|
|
|
#define LINUX_F_GETLK64 12
|
|
#define LINUX_F_SETLK64 13
|
|
#define LINUX_F_SETLKW64 14
|
|
|
|
#define LINUX_F_RDLCK 0
|
|
#define LINUX_F_WRLCK 1
|
|
#define LINUX_F_UNLCK 2
|
|
|
|
union l_semun {
|
|
l_int val;
|
|
l_uintptr_t buf;
|
|
l_uintptr_t array;
|
|
l_uintptr_t __buf;
|
|
l_uintptr_t __pad;
|
|
} __packed;
|
|
|
|
/*
|
|
* Socket defines
|
|
*/
|
|
#define LINUX_SOL_SOCKET 1
|
|
#define LINUX_SOL_IP 0
|
|
#define LINUX_SOL_IPX 256
|
|
#define LINUX_SOL_AX25 257
|
|
#define LINUX_SOL_TCP 6
|
|
#define LINUX_SOL_UDP 17
|
|
|
|
#define LINUX_SO_DEBUG 1
|
|
#define LINUX_SO_REUSEADDR 2
|
|
#define LINUX_SO_TYPE 3
|
|
#define LINUX_SO_ERROR 4
|
|
#define LINUX_SO_DONTROUTE 5
|
|
#define LINUX_SO_BROADCAST 6
|
|
#define LINUX_SO_SNDBUF 7
|
|
#define LINUX_SO_RCVBUF 8
|
|
#define LINUX_SO_KEEPALIVE 9
|
|
#define LINUX_SO_OOBINLINE 10
|
|
#define LINUX_SO_NO_CHECK 11
|
|
#define LINUX_SO_PRIORITY 12
|
|
#define LINUX_SO_LINGER 13
|
|
#define LINUX_SO_PEERCRED 17
|
|
#define LINUX_SO_RCVLOWAT 18
|
|
#define LINUX_SO_SNDLOWAT 19
|
|
#define LINUX_SO_RCVTIMEO 20
|
|
#define LINUX_SO_SNDTIMEO 21
|
|
#define LINUX_SO_TIMESTAMP 29
|
|
#define LINUX_SO_ACCEPTCONN 30
|
|
|
|
struct l_sockaddr {
|
|
l_ushort sa_family;
|
|
char sa_data[14];
|
|
} __packed;
|
|
|
|
struct l_msghdr {
|
|
l_uintptr_t msg_name;
|
|
l_int msg_namelen;
|
|
l_uintptr_t msg_iov;
|
|
l_size_t msg_iovlen;
|
|
l_uintptr_t msg_control;
|
|
l_size_t msg_controllen;
|
|
l_uint msg_flags;
|
|
};
|
|
|
|
struct l_cmsghdr {
|
|
l_size_t cmsg_len;
|
|
l_int cmsg_level;
|
|
l_int cmsg_type;
|
|
};
|
|
|
|
struct l_ifmap {
|
|
l_ulong mem_start;
|
|
l_ulong mem_end;
|
|
l_ushort base_addr;
|
|
u_char irq;
|
|
u_char dma;
|
|
u_char port;
|
|
} __packed;
|
|
|
|
#define LINUX_IFHWADDRLEN 6
|
|
#define LINUX_IFNAMSIZ 16
|
|
|
|
struct l_ifreq {
|
|
union {
|
|
char ifrn_name[LINUX_IFNAMSIZ];
|
|
} ifr_ifrn;
|
|
|
|
union {
|
|
struct l_sockaddr ifru_addr;
|
|
struct l_sockaddr ifru_dstaddr;
|
|
struct l_sockaddr ifru_broadaddr;
|
|
struct l_sockaddr ifru_netmask;
|
|
struct l_sockaddr ifru_hwaddr;
|
|
l_short ifru_flags[1];
|
|
l_int ifru_metric;
|
|
l_int ifru_mtu;
|
|
struct l_ifmap ifru_map;
|
|
char ifru_slave[LINUX_IFNAMSIZ];
|
|
l_uintptr_t ifru_data;
|
|
} ifr_ifru;
|
|
} __packed;
|
|
|
|
#define ifr_name ifr_ifrn.ifrn_name /* Interface name */
|
|
#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
|
|
|
|
struct l_ifconf {
|
|
int ifc_len;
|
|
union {
|
|
l_uintptr_t ifcu_buf;
|
|
l_uintptr_t ifcu_req;
|
|
} ifc_ifcu;
|
|
} __packed;
|
|
|
|
#define ifc_buf ifc_ifcu.ifcu_buf
|
|
#define ifc_req ifc_ifcu.ifcu_req
|
|
|
|
/*
|
|
* poll()
|
|
*/
|
|
#define LINUX_POLLIN 0x0001
|
|
#define LINUX_POLLPRI 0x0002
|
|
#define LINUX_POLLOUT 0x0004
|
|
#define LINUX_POLLERR 0x0008
|
|
#define LINUX_POLLHUP 0x0010
|
|
#define LINUX_POLLNVAL 0x0020
|
|
#define LINUX_POLLRDNORM 0x0040
|
|
#define LINUX_POLLRDBAND 0x0080
|
|
#define LINUX_POLLWRNORM 0x0100
|
|
#define LINUX_POLLWRBAND 0x0200
|
|
#define LINUX_POLLMSG 0x0400
|
|
|
|
struct l_pollfd {
|
|
l_int fd;
|
|
l_short events;
|
|
l_short revents;
|
|
} __packed;
|
|
|
|
struct l_user_desc {
|
|
l_uint entry_number;
|
|
l_uint base_addr;
|
|
l_uint limit;
|
|
l_uint seg_32bit:1;
|
|
l_uint contents:2;
|
|
l_uint read_exec_only:1;
|
|
l_uint limit_in_pages:1;
|
|
l_uint seg_not_present:1;
|
|
l_uint useable:1;
|
|
};
|
|
|
|
#define LINUX_LOWERWORD 0x0000ffff
|
|
|
|
/*
|
|
* Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
|
|
* These convert Linux user space descriptor to machine one.
|
|
*/
|
|
#define LINUX_LDT_entry_a(info) \
|
|
((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
|
|
((info)->limit & LINUX_LOWERWORD))
|
|
|
|
#define LINUX_ENTRY_B_READ_EXEC_ONLY 9
|
|
#define LINUX_ENTRY_B_CONTENTS 10
|
|
#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
|
|
#define LINUX_ENTRY_B_BASE_ADDR 16
|
|
#define LINUX_ENTRY_B_USEABLE 20
|
|
#define LINUX_ENTRY_B_SEG32BIT 22
|
|
#define LINUX_ENTRY_B_LIMIT 23
|
|
|
|
#define LINUX_LDT_entry_b(info) \
|
|
(((info)->base_addr & 0xff000000) | \
|
|
((info)->limit & 0xf0000) | \
|
|
((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
|
|
(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
|
|
(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
|
|
(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
|
|
((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
|
|
((info)->useable << LINUX_ENTRY_B_USEABLE) | \
|
|
((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
|
|
|
|
#define LINUX_LDT_empty(info) \
|
|
((info)->base_addr == 0 && \
|
|
(info)->limit == 0 && \
|
|
(info)->contents == 0 && \
|
|
(info)->seg_not_present == 1 && \
|
|
(info)->read_exec_only == 1 && \
|
|
(info)->seg_32bit == 0 && \
|
|
(info)->limit_in_pages == 0 && \
|
|
(info)->useable == 0)
|
|
|
|
/*
|
|
* Macros for converting segments.
|
|
* They do the same as those in arch/i386/kernel/process.c in Linux.
|
|
*/
|
|
#define LINUX_GET_BASE(desc) \
|
|
((((desc)->a >> 16) & LINUX_LOWERWORD) | \
|
|
(((desc)->b << 16) & 0x00ff0000) | \
|
|
((desc)->b & 0xff000000))
|
|
|
|
#define LINUX_GET_LIMIT(desc) \
|
|
(((desc)->a & LINUX_LOWERWORD) | \
|
|
((desc)->b & 0xf0000))
|
|
|
|
#define LINUX_GET_32BIT(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
|
|
#define LINUX_GET_CONTENTS(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
|
|
#define LINUX_GET_WRITABLE(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
|
|
#define LINUX_GET_LIMIT_PAGES(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
|
|
#define LINUX_GET_PRESENT(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
|
|
#define LINUX_GET_USEABLE(desc) \
|
|
(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
|
|
|
|
struct iovec;
|
|
|
|
struct l_iovec32 {
|
|
uint32_t iov_base;
|
|
l_size_t iov_len;
|
|
};
|
|
|
|
int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
|
|
struct iovec **iovp, int error);
|
|
|
|
/* robust futexes */
|
|
struct linux_robust_list {
|
|
l_uintptr_t next;
|
|
};
|
|
|
|
struct linux_robust_list_head {
|
|
struct linux_robust_list list;
|
|
l_long futex_offset;
|
|
l_uintptr_t pending_list;
|
|
};
|
|
|
|
#endif /* !_AMD64_LINUX_H_ */
|