d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
5002a60f9b
freebsd-nq/sys/i386/linux/linux.h
Marcel Moolenaar 5002a60f9b Round of cleanups and enhancements. These include (in random order): 
o  Introduce private types for use in linux syscalls for two reasons:
   1. establish type independence for ease in porting and,
   2. provide a visual queue as to which syscalls have proper
      prototypes to further cleanup the i386/alpha split.
   Linuxulator types are prefixed by 'l_'. void and char have not
   been "virtualized".

o  Provide dummy functions for all syscalls and remove dummy functions
   or implementations of truely obsolete syscalls.

o  Sanitize the shm*, sem* and msg* syscalls.

o  Make a first attempt to implement the linux_sysctl syscall. At this
   time it only returns one MIB (KERN_VERSION), but most importantly,
   it tells us when we need to add additional sysctls :-)

o  Bump the kenel version up to 2.4.2 (this is not the same as the
   KERN_VERSION MIB, BTW).

o  Implement new syscalls, of which most are specific to i386. Our
   syscall table is now up to date with Linux 2.4.2. Some highlights:
   -  Implement the 32-bit uid_t and gid_t bases syscalls.
   -  Implement a couple of 64-bit file size/offset bases syscalls.

o  Fix or improve numerous syscalls and prototypes.

o  Reduce style(9) violations while I'm here. Especially indentation
   inconsistencies within the same file are addressed. Re-indenting
   did not obfuscate actual changes to the extend that it could not
   be combined.

NOTE: I spend some time testing these changes and found that if there
      were regressions, they were not caused by these changes AFAICT.
      It was observed that installing a RH 7.1 runtime environment
      did make matters worse. Hangs and/or reboots have been observed
      with and without these changes, so when it failed to make life
      better in cases it doesn't look like it made it worse.
2001-09-08 19:07:04 +00:00

676 lines
15 KiB
C
Raw Blame History

/*-
* 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.
*
* $FreeBSD$
*/
#ifndef _I386_LINUX_LINUX_H_
#define _I386_LINUX_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)p->p_pid
#define LMSG(fmt) "linux(%ld): "fmt"\n", (long)p->p_pid
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_LINUX);
#endif
/*
* Provide a seperate 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_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 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
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
/*
* stat family of syscalls
*/
struct l_timespec {
l_ulong tv_sec;
l_ulong 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_atimespec;
struct l_timespec st_mtimespec;
struct l_timespec st_ctimespec;
l_ulong __unused4;
l_ulong __unused5;
};
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_atimespec;
struct l_timespec st_mtimespec;
struct l_timespec st_ctimespec;
l_ulonglong st_ino;
};
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_SIGUNUSED 31
#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 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_uid16_t _uid;
} _kill;
struct {
l_uint _timer1;
l_uint _timer2;
} _timer;
struct {
l_pid_t _pid; /* sender's pid */
l_uid16_t _uid; /* sender's uid */
union sigval _sigval;
} _rt;
struct {
l_pid_t _pid; /* which child */
l_uid16_t _uid; /* sender's uid */
l_int _status; /* exit code */
l_clock_t _utime;
l_clock_t _stime;
} _sigchld;
struct {
void *_addr; /* faulting insn/memory ref. */
} _sigfault;
struct {
l_int _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_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 proc;
typedef int linux_ioctl_function_t(struct proc *, 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 00
#define LINUX_O_WRONLY 01
#define LINUX_O_RDWR 02
#define LINUX_O_CREAT 0100
#define LINUX_O_EXCL 0200
#define LINUX_O_NOCTTY 0400
#define LINUX_O_TRUNC 01000
#define LINUX_O_APPEND 02000
#define LINUX_O_NONBLOCK 04000
#define LINUX_O_NDELAY LINUX_O_NONBLOCK
#define LINUX_O_SYNC 010000
#define LINUX_FASYNC 020000
#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_RDLCK 0
#define LINUX_F_WRLCK 1
#define LINUX_F_UNLCK 2
/*
* 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
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_AF_UNSPEC 0
#define LINUX_AF_UNIX 1
#define LINUX_AF_INET 2
#define LINUX_AF_AX25 3
#define LINUX_AF_IPX 4
#define LINUX_AF_APPLETALK 5
#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_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_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;
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;
};
#endif /* !_I386_LINUX_LINUX_H_ */
Reference in New Issue View Git Blame Copy Permalink