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/*-
* Copyright (c) 1994-1996 Søren Schmidt
* 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
* in this position and unchanged.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
* $FreeBSD: release/9.1.0/sys/i386/linux/linux.h 231145 2012-02-07 19:11:54Z jhb $
*/
#ifndef _I386_LINUX_H_
#define _I386_LINUX_H_
#include <sys/signal.h> /* for sigval union */
#include <i386/linux/linux_syscall.h>
/*
* debugging support
*/
extern u_char linux_debug_map[];
#define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
#define ARGS(nm, fmt) "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
#define LMSG(fmt) "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_LINUX);
#endif
#define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
#define LINUX_USRSTACK LINUX_SHAREDPAGE
#define PTRIN(v) (void *)(v)
#define PTROUT(v) (l_uintptr_t)(v)
/*
* Provide a separate set of types for the Linux types.
*/
typedef int l_int;
typedef int32_t l_long;
typedef int64_t l_longlong;
typedef short l_short;
typedef unsigned int l_uint;
typedef uint32_t l_ulong;
typedef uint64_t l_ulonglong;
typedef unsigned short l_ushort;
typedef char *l_caddr_t;
typedef l_ulong l_uintptr_t;
typedef l_long l_clock_t;
typedef l_int l_daddr_t;
typedef l_ushort l_dev_t;
typedef l_uint l_gid_t;
typedef l_ushort l_gid16_t;
typedef l_ulong l_ino_t;
typedef l_int l_key_t;
typedef l_longlong l_loff_t;
typedef l_ushort l_mode_t;
typedef l_long l_off_t;
typedef l_int l_pid_t;
typedef l_uint l_size_t;
typedef l_long l_suseconds_t;
typedef l_long l_time_t;
typedef l_uint l_uid_t;
typedef l_ushort l_uid16_t;
typedef l_int l_timer_t;
typedef l_int l_mqd_t;
typedef struct {
l_int val[2];
} l_fsid_t;
typedef struct {
l_time_t tv_sec;
l_suseconds_t tv_usec;
} l_timeval;
#define l_fd_set fd_set
/*
* Miscellaneous
*/
#define LINUX_NAME_MAX 255
#define LINUX_MAX_UTSNAME 65
#define LINUX_CTL_MAXNAME 10
#define LINUX_AT_COUNT 16 /* Count of used aux entry types.
* Keep this synchronized with
* elf_linux_fixup() code.
*/
struct l___sysctl_args
{
l_int *name;
l_int nlen;
void *oldval;
l_size_t *oldlenp;
void *newval;
l_size_t newlen;
l_ulong __spare[4];
};
/* Scheduling policies */
#define LINUX_SCHED_OTHER 0
#define LINUX_SCHED_FIFO 1
#define LINUX_SCHED_RR 2
/* Resource limits */
#define LINUX_RLIMIT_CPU 0
#define LINUX_RLIMIT_FSIZE 1
#define LINUX_RLIMIT_DATA 2
#define LINUX_RLIMIT_STACK 3
#define LINUX_RLIMIT_CORE 4
#define LINUX_RLIMIT_RSS 5
#define LINUX_RLIMIT_NPROC 6
#define LINUX_RLIMIT_NOFILE 7
#define LINUX_RLIMIT_MEMLOCK 8
#define LINUX_RLIMIT_AS 9 /* Address space limit */
#define LINUX_RLIM_NLIMITS 10
struct l_rlimit {
l_ulong rlim_cur;
l_ulong rlim_max;
};
/* mmap options */
#define LINUX_MAP_SHARED 0x0001
#define LINUX_MAP_PRIVATE 0x0002
#define LINUX_MAP_FIXED 0x0010
#define LINUX_MAP_ANON 0x0020
#define LINUX_MAP_GROWSDOWN 0x0100
struct l_mmap_argv {
l_uintptr_t addr;
l_size_t len;
l_int prot;
l_int flags;
l_int fd;
l_off_t pgoff;
} __packed;
/*
* stat family of syscalls
*/
struct l_timespec {
l_time_t tv_sec;
l_long tv_nsec;
};
struct l_newstat {
l_ushort st_dev;
l_ushort __pad1;
l_ulong st_ino;
l_ushort st_mode;
l_ushort st_nlink;
l_ushort st_uid;
l_ushort st_gid;
l_ushort st_rdev;
l_ushort __pad2;
l_ulong st_size;
l_ulong st_blksize;
l_ulong st_blocks;
struct l_timespec st_atim;
struct l_timespec st_mtim;
struct l_timespec st_ctim;
l_ulong __unused4;
l_ulong __unused5;
};
struct l_stat {
l_ushort st_dev;
l_ulong st_ino;
l_ushort st_mode;
l_ushort st_nlink;
l_ushort st_uid;
l_ushort st_gid;
l_ushort st_rdev;
l_long st_size;
struct l_timespec st_atim;
struct l_timespec st_mtim;
struct l_timespec st_ctim;
l_long st_blksize;
l_long st_blocks;
l_ulong st_flags;
l_ulong st_gen;
};
struct l_stat64 {
l_ushort st_dev;
u_char __pad0[10];
l_ulong __st_ino;
l_uint st_mode;
l_uint st_nlink;
l_ulong st_uid;
l_ulong st_gid;
l_ushort st_rdev;
u_char __pad3[10];
l_longlong st_size;
l_ulong st_blksize;
l_ulong st_blocks;
l_ulong __pad4;
struct l_timespec st_atim;
struct l_timespec st_mtim;
struct l_timespec st_ctim;
l_ulonglong st_ino;
};
struct l_statfs64 {
l_int f_type;
l_int f_bsize;
uint64_t f_blocks;
uint64_t f_bfree;
uint64_t f_bavail;
uint64_t f_files;
uint64_t f_ffree;
l_fsid_t f_fsid;
l_int f_namelen;
l_int f_spare[6];
};
struct l_new_utsname {
char sysname[LINUX_MAX_UTSNAME];
char nodename[LINUX_MAX_UTSNAME];
char release[LINUX_MAX_UTSNAME];
char version[LINUX_MAX_UTSNAME];
char machine[LINUX_MAX_UTSNAME];
char domainname[LINUX_MAX_UTSNAME];
};
/*
* Signalling
*/
#define LINUX_SIGHUP 1
#define LINUX_SIGINT 2
#define LINUX_SIGQUIT 3
#define LINUX_SIGILL 4
#define LINUX_SIGTRAP 5
#define LINUX_SIGABRT 6
#define LINUX_SIGIOT LINUX_SIGABRT
#define LINUX_SIGBUS 7
#define LINUX_SIGFPE 8
#define LINUX_SIGKILL 9
#define LINUX_SIGUSR1 10
#define LINUX_SIGSEGV 11
#define LINUX_SIGUSR2 12
#define LINUX_SIGPIPE 13
#define LINUX_SIGALRM 14
#define LINUX_SIGTERM 15
#define LINUX_SIGSTKFLT 16
#define LINUX_SIGCHLD 17
#define LINUX_SIGCONT 18
#define LINUX_SIGSTOP 19
#define LINUX_SIGTSTP 20
#define LINUX_SIGTTIN 21
#define LINUX_SIGTTOU 22
#define LINUX_SIGURG 23
#define LINUX_SIGXCPU 24
#define LINUX_SIGXFSZ 25
#define LINUX_SIGVTALRM 26
#define LINUX_SIGPROF 27
#define LINUX_SIGWINCH 28
#define LINUX_SIGIO 29
#define LINUX_SIGPOLL LINUX_SIGIO
#define LINUX_SIGPWR 30
#define LINUX_SIGSYS 31
#define LINUX_SIGRTMIN 32
#define LINUX_SIGTBLSZ 31
#define LINUX_NSIG_WORDS 2
#define LINUX_NBPW 32
#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
/* sigaction flags */
#define LINUX_SA_NOCLDSTOP 0x00000001
#define LINUX_SA_NOCLDWAIT 0x00000002
#define LINUX_SA_SIGINFO 0x00000004
#define LINUX_SA_RESTORER 0x04000000
#define LINUX_SA_ONSTACK 0x08000000
#define LINUX_SA_RESTART 0x10000000
#define LINUX_SA_INTERRUPT 0x20000000
#define LINUX_SA_NOMASK 0x40000000
#define LINUX_SA_ONESHOT 0x80000000
/* sigprocmask actions */
#define LINUX_SIG_BLOCK 0
#define LINUX_SIG_UNBLOCK 1
#define LINUX_SIG_SETMASK 2
/* sigset_t macros */
#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
/* sigaltstack */
#define LINUX_MINSIGSTKSZ 2048
#define LINUX_SS_ONSTACK 1
#define LINUX_SS_DISABLE 2
int linux_to_bsd_sigaltstack(int lsa);
int bsd_to_linux_sigaltstack(int bsa);
typedef void (*l_handler_t)(l_int);
typedef l_ulong l_osigset_t;
typedef struct {
l_uint __bits[LINUX_NSIG_WORDS];
} l_sigset_t;
typedef struct {
l_handler_t lsa_handler;
l_osigset_t lsa_mask;
l_ulong lsa_flags;
void (*lsa_restorer)(void);
} l_osigaction_t;
typedef struct {
l_handler_t lsa_handler;
l_ulong lsa_flags;
void (*lsa_restorer)(void);
l_sigset_t lsa_mask;
} l_sigaction_t;
typedef struct {
void *ss_sp;
l_int ss_flags;
l_size_t ss_size;
} l_stack_t;
/* The Linux sigcontext, pretty much a standard 386 trapframe. */
struct l_sigcontext {
l_int sc_gs;
l_int sc_fs;
l_int sc_es;
l_int sc_ds;
l_int sc_edi;
l_int sc_esi;
l_int sc_ebp;
l_int sc_esp;
l_int sc_ebx;
l_int sc_edx;
l_int sc_ecx;
l_int sc_eax;
l_int sc_trapno;
l_int sc_err;
l_int sc_eip;
l_int sc_cs;
l_int sc_eflags;
l_int sc_esp_at_signal;
l_int sc_ss;
l_int sc_387;
l_int sc_mask;
l_int sc_cr2;
};
struct l_ucontext {
l_ulong uc_flags;
void *uc_link;
l_stack_t uc_stack;
struct l_sigcontext uc_mcontext;
l_sigset_t uc_sigmask;
};
#define LINUX_SI_MAX_SIZE 128
#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
typedef union l_sigval {
l_int sival_int;
l_uintptr_t sival_ptr;
} l_sigval_t;
typedef struct l_siginfo {
l_int lsi_signo;
l_int lsi_errno;
l_int lsi_code;
union {
l_int _pad[LINUX_SI_PAD_SIZE];
struct {
l_pid_t _pid;
l_uid_t _uid;
} _kill;
struct {
l_timer_t _tid;
l_int _overrun;
char _pad[sizeof(l_uid_t) - sizeof(l_int)];
l_sigval_t _sigval;
l_int _sys_private;
} _timer;
struct {
l_pid_t _pid; /* sender's pid */
l_uid_t _uid; /* sender's uid */
l_sigval_t _sigval;
} _rt;
struct {
l_pid_t _pid; /* which child */
l_uid_t _uid; /* sender's uid */
l_int _status; /* exit code */
l_clock_t _utime;
l_clock_t _stime;
} _sigchld;
struct {
l_uintptr_t _addr; /* Faulting insn/memory ref. */
} _sigfault;
struct {
l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
l_int _fd;
} _sigpoll;
} _sifields;
} l_siginfo_t;
#define lsi_pid _sifields._kill._pid
#define lsi_uid _sifields._kill._uid
#define lsi_tid _sifields._timer._tid
#define lsi_overrun _sifields._timer._overrun
#define lsi_sys_private _sifields._timer._sys_private
#define lsi_status _sifields._sigchld._status
#define lsi_utime _sifields._sigchld._utime
#define lsi_stime _sifields._sigchld._stime
#define lsi_value _sifields._rt._sigval
#define lsi_int _sifields._rt._sigval.sival_int
#define lsi_ptr _sifields._rt._sigval.sival_ptr
#define lsi_addr _sifields._sigfault._addr
#define lsi_band _sifields._sigpoll._band
#define lsi_fd _sifields._sigpoll._fd
struct l_fpreg {
u_int16_t significand[4];
u_int16_t exponent;
};
struct l_fpxreg {
u_int16_t significand[4];
u_int16_t exponent;
u_int16_t padding[3];
};
struct l_xmmreg {
u_int32_t element[4];
};
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];
};
/*
* 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;
};
struct l_rt_sigframe {
l_int sf_sig;
l_siginfo_t *sf_siginfo;
struct l_ucontext *sf_ucontext;
l_siginfo_t sf_si;
struct l_ucontext sf_sc;
l_handler_t sf_handler;
};
extern int bsd_to_linux_signal[];
extern int linux_to_bsd_signal[];
extern struct sysentvec linux_sysvec;
extern struct sysentvec elf_linux_sysvec;
/*
* Pluggable ioctl handlers
*/
struct linux_ioctl_args;
struct thread;
typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
struct linux_ioctl_handler {
linux_ioctl_function_t *func;
int low, high;
};
int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
/*
* 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
/*
* posix_fadvise advice
*/
#define LINUX_POSIX_FADV_NORMAL 0
#define LINUX_POSIX_FADV_RANDOM 1
#define LINUX_POSIX_FADV_SEQUENTIAL 2
#define LINUX_POSIX_FADV_WILLNEED 3
#define LINUX_POSIX_FADV_DONTNEED 4
#define LINUX_POSIX_FADV_NOREUSE 5
/*
* mount flags
*/
#define LINUX_MS_RDONLY 0x0001
#define LINUX_MS_NOSUID 0x0002
#define LINUX_MS_NODEV 0x0004
#define LINUX_MS_NOEXEC 0x0008
#define LINUX_MS_REMOUNT 0x0020
/*
* SystemV IPC defines
*/
#define LINUX_SEMOP 1
#define LINUX_SEMGET 2
#define LINUX_SEMCTL 3
#define LINUX_MSGSND 11
#define LINUX_MSGRCV 12
#define LINUX_MSGGET 13
#define LINUX_MSGCTL 14
#define LINUX_SHMAT 21
#define LINUX_SHMDT 22
#define LINUX_SHMGET 23
#define LINUX_SHMCTL 24
#define LINUX_IPC_RMID 0
#define LINUX_IPC_SET 1
#define LINUX_IPC_STAT 2
#define LINUX_IPC_INFO 3
#define LINUX_SHM_LOCK 11
#define LINUX_SHM_UNLOCK 12
#define LINUX_SHM_STAT 13
#define LINUX_SHM_INFO 14
#define LINUX_SHM_RDONLY 0x1000
#define LINUX_SHM_RND 0x2000
#define LINUX_SHM_REMAP 0x4000
/* semctl commands */
#define LINUX_GETPID 11
#define LINUX_GETVAL 12
#define LINUX_GETALL 13
#define LINUX_GETNCNT 14
#define LINUX_GETZCNT 15
#define LINUX_SETVAL 16
#define LINUX_SETALL 17
#define LINUX_SEM_STAT 18
#define LINUX_SEM_INFO 19
union l_semun {
l_int val;
struct l_semid_ds *buf;
l_ushort *array;
struct l_seminfo *__buf;
void *__pad;
};
/*
* Socket defines
*/
#define LINUX_SOCKET 1
#define LINUX_BIND 2
#define LINUX_CONNECT 3
#define LINUX_LISTEN 4
#define LINUX_ACCEPT 5
#define LINUX_GETSOCKNAME 6
#define LINUX_GETPEERNAME 7
#define LINUX_SOCKETPAIR 8
#define LINUX_SEND 9
#define LINUX_RECV 10
#define LINUX_SENDTO 11
#define LINUX_RECVFROM 12
#define LINUX_SHUTDOWN 13
#define LINUX_SETSOCKOPT 14
#define LINUX_GETSOCKOPT 15
#define LINUX_SENDMSG 16
#define LINUX_RECVMSG 17
#define LINUX_ACCEPT4 18
#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
#define LINUX_IP_TOS 1
#define LINUX_IP_TTL 2
#define LINUX_IP_HDRINCL 3
#define LINUX_IP_OPTIONS 4
#define LINUX_IP_MULTICAST_IF 32
#define LINUX_IP_MULTICAST_TTL 33
#define LINUX_IP_MULTICAST_LOOP 34
#define LINUX_IP_ADD_MEMBERSHIP 35
#define LINUX_IP_DROP_MEMBERSHIP 36
struct l_sockaddr {
l_ushort sa_family;
char sa_data[14];
};
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;
};
#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_caddr_t ifru_data;
} ifr_ifru;
};
#define ifr_name ifr_ifrn.ifrn_name /* Interface name */
#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
/*
* 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;
};
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;
};
struct l_desc_struct {
unsigned long a, b;
};
#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)
#define LINUX_CLOCK_REALTIME 0
#define LINUX_CLOCK_MONOTONIC 1
#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
#define LINUX_CLOCK_THREAD_CPUTIME_ID 3
#define LINUX_CLOCK_REALTIME_HR 4
#define LINUX_CLOCK_MONOTONIC_HR 5
#define LINUX_CLONE_VM 0x00000100
#define LINUX_CLONE_FS 0x00000200
#define LINUX_CLONE_FILES 0x00000400
#define LINUX_CLONE_SIGHAND 0x00000800
#define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
#define LINUX_CLONE_VFORK 0x00004000
#define LINUX_CLONE_PARENT 0x00008000
#define LINUX_CLONE_THREAD 0x00010000
#define LINUX_CLONE_SETTLS 0x00080000
#define LINUX_CLONE_PARENT_SETTID 0x00100000
#define LINUX_CLONE_CHILD_CLEARTID 0x00200000
#define LINUX_CLONE_CHILD_SETTID 0x01000000
#define LINUX_THREADING_FLAGS \
(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \
LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
/* robust futexes */
struct linux_robust_list {
struct linux_robust_list *next;
};
struct linux_robust_list_head {
struct linux_robust_list list;
l_long futex_offset;
struct linux_robust_list *pending_list;
};
int linux_set_upcall_kse(struct thread *td, register_t stack);
int linux_set_cloned_tls(struct thread *td, void *desc);
#endif /* !_I386_LINUX_H_ */