The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/amd64/linux32/linux.h

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    1 /*-
    2  * Copyright (c) 2004 Tim J. Robbins
    3  * Copyright (c) 2001 Doug Rabson
    4  * Copyright (c) 1994-1996 Søren Schmidt
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer 
   12  *    in this position and unchanged.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. The name of the author may not be used to endorse or promote products
   17  *    derived from this software without specific prior written permission
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  * $FreeBSD: releng/5.4/sys/amd64/linux32/linux.h 145335 2005-04-20 19:11:07Z cvs2svn $
   31  */
   32 
   33 #ifndef _AMD64_LINUX_LINUX_H_
   34 #define _AMD64_LINUX_LINUX_H_
   35 
   36 #include <sys/signal.h> /* for sigval union */
   37 
   38 #include <amd64/linux32/linux32_syscall.h>
   39 
   40 /*
   41  * debugging support
   42  */
   43 extern u_char linux_debug_map[];
   44 #define ldebug(name)    isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
   45 #define ARGS(nm, fmt)   "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
   46 #define LMSG(fmt)       "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
   47 
   48 #ifdef MALLOC_DECLARE
   49 MALLOC_DECLARE(M_LINUX);
   50 #endif
   51 
   52 #define LINUX32_USRSTACK        ((1ul << 32) - PAGE_SIZE)
   53 /* XXX 16 = sizeof(linux32_ps_strings) */
   54 #define LINUX32_PS_STRINGS      (LINUX32_USRSTACK - 16)
   55 #define LINUX32_MAXDSIZ         (512*1024*1024)         /* 512MB */
   56 #define LINUX32_MAXSSIZ         (64*1024*1024)          /* 64MB */
   57 #define LINUX32_MAXVMEM         0                       /* Unlimited */
   58 
   59 #define PTRIN(v)        (void *)(uintptr_t)(v)
   60 #define PTROUT(v)       (l_uintptr_t)(uintptr_t)(v)
   61 
   62 /*
   63  * Provide a separate set of types for the Linux types.
   64  */
   65 typedef int             l_int;
   66 typedef int32_t         l_long;
   67 typedef int64_t         l_longlong;
   68 typedef short           l_short;
   69 typedef unsigned int    l_uint;
   70 typedef uint32_t        l_ulong;
   71 typedef uint64_t        l_ulonglong;
   72 typedef unsigned short  l_ushort;
   73 
   74 typedef l_ulong         l_uintptr_t;
   75 typedef l_long          l_clock_t;
   76 typedef l_int           l_daddr_t;
   77 typedef l_ushort        l_dev_t;
   78 typedef l_uint          l_gid_t;
   79 typedef l_ushort        l_gid16_t;
   80 typedef l_ulong         l_ino_t;
   81 typedef l_int           l_key_t;
   82 typedef l_longlong      l_loff_t;
   83 typedef l_ushort        l_mode_t;
   84 typedef l_long          l_off_t;
   85 typedef l_int           l_pid_t;
   86 typedef l_uint          l_size_t;
   87 typedef l_long          l_suseconds_t;
   88 typedef l_long          l_time_t;
   89 typedef l_uint          l_uid_t;
   90 typedef l_ushort        l_uid16_t;
   91 
   92 typedef struct {
   93         l_int           val[2];
   94 } __packed l_fsid_t;
   95 
   96 typedef struct {
   97         l_time_t        tv_sec;
   98         l_suseconds_t   tv_usec;
   99 } __packed l_timeval;
  100 
  101 #define l_fd_set        fd_set
  102 
  103 /*
  104  * Miscellaneous
  105  */
  106 #define LINUX_NAME_MAX          255
  107 #define LINUX_MAX_UTSNAME       65
  108 
  109 #define LINUX_CTL_MAXNAME       10
  110 
  111 struct l___sysctl_args
  112 {
  113         l_uintptr_t     name;
  114         l_int           nlen;
  115         l_uintptr_t     oldval;
  116         l_uintptr_t     oldlenp;
  117         l_uintptr_t     newval;
  118         l_size_t        newlen;
  119         l_ulong         __spare[4];
  120 } __packed;
  121 
  122 /* Scheduling policies */
  123 #define LINUX_SCHED_OTHER       0
  124 #define LINUX_SCHED_FIFO        1
  125 #define LINUX_SCHED_RR          2
  126 
  127 /* Resource limits */
  128 #define LINUX_RLIMIT_CPU        0
  129 #define LINUX_RLIMIT_FSIZE      1
  130 #define LINUX_RLIMIT_DATA       2
  131 #define LINUX_RLIMIT_STACK      3
  132 #define LINUX_RLIMIT_CORE       4
  133 #define LINUX_RLIMIT_RSS        5
  134 #define LINUX_RLIMIT_NPROC      6
  135 #define LINUX_RLIMIT_NOFILE     7
  136 #define LINUX_RLIMIT_MEMLOCK    8
  137 #define LINUX_RLIMIT_AS         9       /* address space limit */
  138 
  139 #define LINUX_RLIM_NLIMITS      10
  140 
  141 struct l_rlimit {
  142         l_ulong rlim_cur;
  143         l_ulong rlim_max;
  144 } __packed;
  145 
  146 struct l_rusage {
  147         l_timeval ru_utime;
  148         l_timeval ru_stime;
  149         l_long  ru_maxrss;
  150         l_long  ru_ixrss;
  151         l_long  ru_idrss;
  152         l_long  ru_isrss;
  153         l_long  ru_minflt;
  154         l_long  ru_majflt;
  155         l_long  ru_nswap;
  156         l_long  ru_inblock;
  157         l_long  ru_oublock;
  158         l_long  ru_msgsnd;
  159         l_long  ru_msgrcv;
  160         l_long  ru_nsignals;
  161         l_long  ru_nvcsw;
  162         l_long  ru_nivcsw;
  163 } __packed;
  164 
  165 /* mmap options */
  166 #define LINUX_MAP_SHARED        0x0001
  167 #define LINUX_MAP_PRIVATE       0x0002
  168 #define LINUX_MAP_FIXED         0x0010
  169 #define LINUX_MAP_ANON          0x0020
  170 #define LINUX_MAP_GROWSDOWN     0x0100
  171 
  172 /*
  173  * stat family of syscalls
  174  */
  175 struct l_timespec {
  176         l_ulong         tv_sec;
  177         l_ulong         tv_nsec;
  178 } __packed;
  179 
  180 struct l_newstat {
  181         l_ushort        st_dev;
  182         l_ushort        __pad1;
  183         l_ulong         st_ino;
  184         l_ushort        st_mode;
  185         l_ushort        st_nlink;
  186         l_ushort        st_uid;
  187         l_ushort        st_gid;
  188         l_ushort        st_rdev;
  189         l_ushort        __pad2;
  190         l_ulong         st_size;
  191         l_ulong         st_blksize;
  192         l_ulong         st_blocks;
  193         struct l_timespec       st_atimespec;
  194         struct l_timespec       st_mtimespec;
  195         struct l_timespec       st_ctimespec;
  196         l_ulong         __unused4;
  197         l_ulong         __unused5;
  198 } __packed;
  199 
  200 struct l_stat64 {
  201         l_ushort        st_dev;
  202         u_char          __pad0[10];
  203         l_ulong         __st_ino;
  204         l_uint          st_mode;
  205         l_uint          st_nlink;
  206         l_ulong         st_uid;
  207         l_ulong         st_gid;
  208         l_ushort        st_rdev;
  209         u_char          __pad3[10];
  210         l_longlong      st_size;
  211         l_ulong         st_blksize;
  212         l_ulong         st_blocks;
  213         l_ulong         __pad4;
  214         struct l_timespec       st_atimespec;
  215         struct l_timespec       st_mtimespec;
  216         struct l_timespec       st_ctimespec;
  217         l_ulonglong     st_ino;
  218 } __packed;
  219 
  220 struct l_new_utsname {
  221         char    sysname[LINUX_MAX_UTSNAME];
  222         char    nodename[LINUX_MAX_UTSNAME];
  223         char    release[LINUX_MAX_UTSNAME];
  224         char    version[LINUX_MAX_UTSNAME];
  225         char    machine[LINUX_MAX_UTSNAME];
  226         char    domainname[LINUX_MAX_UTSNAME];
  227 } __packed;
  228 
  229 /*
  230  * Signalling
  231  */
  232 #define LINUX_SIGHUP            1
  233 #define LINUX_SIGINT            2
  234 #define LINUX_SIGQUIT           3
  235 #define LINUX_SIGILL            4
  236 #define LINUX_SIGTRAP           5
  237 #define LINUX_SIGABRT           6
  238 #define LINUX_SIGIOT            LINUX_SIGABRT
  239 #define LINUX_SIGBUS            7
  240 #define LINUX_SIGFPE            8
  241 #define LINUX_SIGKILL           9
  242 #define LINUX_SIGUSR1           10
  243 #define LINUX_SIGSEGV           11
  244 #define LINUX_SIGUSR2           12
  245 #define LINUX_SIGPIPE           13
  246 #define LINUX_SIGALRM           14
  247 #define LINUX_SIGTERM           15
  248 #define LINUX_SIGSTKFLT         16
  249 #define LINUX_SIGCHLD           17
  250 #define LINUX_SIGCONT           18
  251 #define LINUX_SIGSTOP           19
  252 #define LINUX_SIGTSTP           20
  253 #define LINUX_SIGTTIN           21
  254 #define LINUX_SIGTTOU           22
  255 #define LINUX_SIGURG            23
  256 #define LINUX_SIGXCPU           24
  257 #define LINUX_SIGXFSZ           25
  258 #define LINUX_SIGVTALRM         26
  259 #define LINUX_SIGPROF           27
  260 #define LINUX_SIGWINCH          28
  261 #define LINUX_SIGIO             29
  262 #define LINUX_SIGPOLL           LINUX_SIGIO
  263 #define LINUX_SIGPWR            30
  264 #define LINUX_SIGSYS            31
  265 
  266 #define LINUX_SIGTBLSZ          31
  267 #define LINUX_NSIG_WORDS        2
  268 #define LINUX_NBPW              32
  269 #define LINUX_NSIG              (LINUX_NBPW * LINUX_NSIG_WORDS)
  270 
  271 /* sigaction flags */
  272 #define LINUX_SA_NOCLDSTOP      0x00000001
  273 #define LINUX_SA_NOCLDWAIT      0x00000002
  274 #define LINUX_SA_SIGINFO        0x00000004
  275 #define LINUX_SA_RESTORER       0x04000000
  276 #define LINUX_SA_ONSTACK        0x08000000
  277 #define LINUX_SA_RESTART        0x10000000
  278 #define LINUX_SA_INTERRUPT      0x20000000
  279 #define LINUX_SA_NOMASK         0x40000000
  280 #define LINUX_SA_ONESHOT        0x80000000
  281 
  282 /* sigprocmask actions */
  283 #define LINUX_SIG_BLOCK         0
  284 #define LINUX_SIG_UNBLOCK       1
  285 #define LINUX_SIG_SETMASK       2
  286 
  287 /* sigset_t macros */
  288 #define LINUX_SIGEMPTYSET(set)          (set).__bits[0] = (set).__bits[1] = 0
  289 #define LINUX_SIGISMEMBER(set, sig)     SIGISMEMBER(set, sig)
  290 #define LINUX_SIGADDSET(set, sig)       SIGADDSET(set, sig)
  291 
  292 /* sigaltstack */
  293 #define LINUX_MINSIGSTKSZ       2048
  294 #define LINUX_SS_ONSTACK        1
  295 #define LINUX_SS_DISABLE        2
  296 
  297 int linux_to_bsd_sigaltstack(int lsa);
  298 int bsd_to_linux_sigaltstack(int bsa);
  299 
  300 typedef l_uintptr_t l_handler_t;
  301 typedef l_ulong l_osigset_t;
  302 
  303 typedef struct {
  304         l_uint  __bits[LINUX_NSIG_WORDS];
  305 } __packed l_sigset_t;
  306 
  307 typedef struct {
  308         l_handler_t     lsa_handler;
  309         l_osigset_t     lsa_mask;
  310         l_ulong         lsa_flags;
  311         l_uintptr_t     lsa_restorer;
  312 } __packed l_osigaction_t;
  313 
  314 typedef struct {
  315         l_handler_t     lsa_handler;
  316         l_ulong         lsa_flags;
  317         l_uintptr_t     lsa_restorer;
  318         l_sigset_t      lsa_mask;
  319 } __packed l_sigaction_t;
  320 
  321 typedef struct {
  322         l_uintptr_t     ss_sp;
  323         l_int           ss_flags;
  324         l_size_t        ss_size;
  325 } __packed l_stack_t;
  326 
  327 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
  328 struct l_sigcontext {
  329         l_int           sc_gs;
  330         l_int           sc_fs;
  331         l_int           sc_es;
  332         l_int           sc_ds;
  333         l_int           sc_edi;
  334         l_int           sc_esi;
  335         l_int           sc_ebp;
  336         l_int           sc_esp;
  337         l_int           sc_ebx;
  338         l_int           sc_edx;
  339         l_int           sc_ecx;
  340         l_int           sc_eax;
  341         l_int           sc_trapno;
  342         l_int           sc_err;
  343         l_int           sc_eip;
  344         l_int           sc_cs;
  345         l_int           sc_eflags;
  346         l_int           sc_esp_at_signal;
  347         l_int           sc_ss;
  348         l_int           sc_387;
  349         l_int           sc_mask;
  350         l_int           sc_cr2;
  351 } __packed;
  352 
  353 struct l_ucontext {
  354         l_ulong         uc_flags;
  355         l_uintptr_t     uc_link;
  356         l_stack_t       uc_stack;
  357         struct l_sigcontext     uc_mcontext;
  358         l_sigset_t      uc_sigmask;
  359 } __packed;
  360 
  361 #define LINUX_SI_MAX_SIZE     128
  362 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
  363 
  364 typedef struct l_siginfo {
  365         l_int           lsi_signo;
  366         l_int           lsi_errno;
  367         l_int           lsi_code;
  368         union {
  369                 l_int   _pad[LINUX_SI_PAD_SIZE];
  370 
  371                 struct {
  372                         l_pid_t         _pid;
  373                         l_uid16_t       _uid;
  374                 } __packed _kill;
  375 
  376                 struct {
  377                         l_uint          _timer1;
  378                         l_uint          _timer2;
  379                 } __packed _timer;
  380 
  381                 struct {
  382                         l_pid_t         _pid;           /* sender's pid */
  383                         l_uid16_t       _uid;           /* sender's uid */
  384                         union sigval _sigval;
  385                 } __packed _rt;
  386 
  387                 struct {
  388                         l_pid_t         _pid;           /* which child */
  389                         l_uid16_t       _uid;           /* sender's uid */
  390                         l_int           _status;        /* exit code */
  391                         l_clock_t       _utime;
  392                         l_clock_t       _stime;
  393                 } __packed _sigchld;
  394 
  395                 struct {
  396                         l_uintptr_t     _addr; /* faulting insn/memory ref. */
  397                 } __packed _sigfault;
  398 
  399                 struct {
  400                         l_int           _band;  /* POLL_IN,POLL_OUT,POLL_MSG */
  401                         l_int           _fd;
  402                 } __packed _sigpoll;
  403         } _sifields;
  404 } __packed l_siginfo_t;
  405 
  406 #define lsi_pid          _sifields._kill._pid
  407 #define lsi_uid          _sifields._kill._uid
  408 #define lsi_status       _sifields._sigchld._status
  409 #define lsi_utime        _sifields._sigchld._utime
  410 #define lsi_stime        _sifields._sigchld._stime
  411 #define lsi_value        _sifields._rt._sigval
  412 #define lsi_int          _sifields._rt._sigval.sival_int
  413 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
  414 #define lsi_addr         _sifields._sigfault._addr
  415 #define lsi_band         _sifields._sigpoll._band
  416 #define lsi_fd           _sifields._sigpoll._fd
  417 
  418 struct l_fpreg {
  419         u_int16_t significand[4];
  420         u_int16_t exponent;
  421 } __packed;
  422 
  423 struct l_fpxreg {
  424         u_int16_t significand[4];
  425         u_int16_t exponent;
  426         u_int16_t padding[3];
  427 } __packed;
  428 
  429 struct l_xmmreg {
  430         u_int32_t element[4];
  431 } __packed;
  432 
  433 struct l_fpstate {
  434         /* Regular FPU environment */
  435         u_int32_t               cw;
  436         u_int32_t               sw;
  437         u_int32_t               tag;
  438         u_int32_t               ipoff;
  439         u_int32_t               cssel;
  440         u_int32_t               dataoff;
  441         u_int32_t               datasel;
  442         struct l_fpreg          _st[8];
  443         u_int16_t               status;
  444         u_int16_t               magic;  /* 0xffff = regular FPU data */
  445 
  446         /* FXSR FPU environment */
  447         u_int32_t               _fxsr_env[6]; /* env is ignored */
  448         u_int32_t               mxcsr;
  449         u_int32_t               reserved;
  450         struct l_fpxreg         _fxsr_st[8];  /* reg data is ignored */
  451         struct l_xmmreg         _xmm[8];
  452         u_int32_t               padding[56];
  453 } __packed;
  454 
  455 /*
  456  * We make the stack look like Linux expects it when calling a signal
  457  * handler, but use the BSD way of calling the handler and sigreturn().
  458  * This means that we need to pass the pointer to the handler too.
  459  * It is appended to the frame to not interfere with the rest of it.
  460  */
  461 struct l_sigframe {
  462         l_int                   sf_sig;
  463         struct l_sigcontext     sf_sc;
  464         struct l_fpstate        sf_fpstate;
  465         l_uint                  sf_extramask[LINUX_NSIG_WORDS-1];
  466         l_handler_t             sf_handler;
  467 } __packed;
  468 
  469 struct l_rt_sigframe {
  470         l_int                   sf_sig;
  471         l_uintptr_t             sf_siginfo;
  472         l_uintptr_t             sf_ucontext;
  473         l_siginfo_t             sf_si;
  474         struct l_ucontext       sf_sc;
  475         l_handler_t             sf_handler;
  476 } __packed;
  477 
  478 extern int bsd_to_linux_signal[];
  479 extern int linux_to_bsd_signal[];
  480 
  481 /*
  482  * Pluggable ioctl handlers
  483  */
  484 struct linux_ioctl_args;
  485 struct thread;
  486 
  487 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
  488 
  489 struct linux_ioctl_handler {
  490         linux_ioctl_function_t *func;
  491         int     low, high;
  492 };
  493 
  494 int     linux_ioctl_register_handler(struct linux_ioctl_handler *h);
  495 int     linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
  496 
  497 /*
  498  * open/fcntl flags
  499  */
  500 #define LINUX_O_RDONLY          00
  501 #define LINUX_O_WRONLY          01
  502 #define LINUX_O_RDWR            02
  503 #define LINUX_O_CREAT           0100
  504 #define LINUX_O_EXCL            0200
  505 #define LINUX_O_NOCTTY          0400
  506 #define LINUX_O_TRUNC           01000
  507 #define LINUX_O_APPEND          02000
  508 #define LINUX_O_NONBLOCK        04000
  509 #define LINUX_O_NDELAY          LINUX_O_NONBLOCK
  510 #define LINUX_O_SYNC            010000
  511 #define LINUX_FASYNC            020000
  512 
  513 #define LINUX_F_DUPFD           0
  514 #define LINUX_F_GETFD           1
  515 #define LINUX_F_SETFD           2
  516 #define LINUX_F_GETFL           3
  517 #define LINUX_F_SETFL           4
  518 #define LINUX_F_GETLK           5
  519 #define LINUX_F_SETLK           6
  520 #define LINUX_F_SETLKW          7
  521 #define LINUX_F_SETOWN          8
  522 #define LINUX_F_GETOWN          9
  523 
  524 #define LINUX_F_GETLK64         12
  525 #define LINUX_F_SETLK64         13
  526 #define LINUX_F_SETLKW64        14
  527 
  528 #define LINUX_F_RDLCK           0
  529 #define LINUX_F_WRLCK           1
  530 #define LINUX_F_UNLCK           2
  531 
  532 /*
  533  * mount flags
  534  */
  535 #define LINUX_MS_RDONLY         0x0001
  536 #define LINUX_MS_NOSUID         0x0002
  537 #define LINUX_MS_NODEV          0x0004
  538 #define LINUX_MS_NOEXEC         0x0008
  539 #define LINUX_MS_REMOUNT        0x0020
  540         
  541 /*
  542  * SystemV IPC defines
  543  */
  544 #define LINUX_SEMOP             1
  545 #define LINUX_SEMGET            2
  546 #define LINUX_SEMCTL            3
  547 #define LINUX_MSGSND            11
  548 #define LINUX_MSGRCV            12
  549 #define LINUX_MSGGET            13
  550 #define LINUX_MSGCTL            14
  551 #define LINUX_SHMAT             21
  552 #define LINUX_SHMDT             22
  553 #define LINUX_SHMGET            23
  554 #define LINUX_SHMCTL            24
  555 
  556 #define LINUX_IPC_RMID          0
  557 #define LINUX_IPC_SET           1
  558 #define LINUX_IPC_STAT          2
  559 #define LINUX_IPC_INFO          3
  560 
  561 #define LINUX_SHM_LOCK          11
  562 #define LINUX_SHM_UNLOCK        12
  563 #define LINUX_SHM_STAT          13
  564 #define LINUX_SHM_INFO          14
  565 
  566 #define LINUX_SHM_RDONLY        0x1000
  567 #define LINUX_SHM_RND           0x2000
  568 #define LINUX_SHM_REMAP         0x4000
  569 
  570 /* semctl commands */
  571 #define LINUX_GETPID            11
  572 #define LINUX_GETVAL            12
  573 #define LINUX_GETALL            13
  574 #define LINUX_GETNCNT           14
  575 #define LINUX_GETZCNT           15
  576 #define LINUX_SETVAL            16
  577 #define LINUX_SETALL            17
  578 #define LINUX_SEM_STAT          18
  579 #define LINUX_SEM_INFO          19
  580 
  581 union l_semun {
  582         l_int           val;
  583         l_uintptr_t     buf;
  584         l_uintptr_t     array;
  585         l_uintptr_t     __buf;
  586         l_uintptr_t     __pad;
  587 } __packed;
  588 
  589 /*
  590  * Socket defines
  591  */
  592 #define LINUX_SOCKET            1
  593 #define LINUX_BIND              2
  594 #define LINUX_CONNECT           3
  595 #define LINUX_LISTEN            4
  596 #define LINUX_ACCEPT            5
  597 #define LINUX_GETSOCKNAME       6
  598 #define LINUX_GETPEERNAME       7
  599 #define LINUX_SOCKETPAIR        8
  600 #define LINUX_SEND              9
  601 #define LINUX_RECV              10
  602 #define LINUX_SENDTO            11
  603 #define LINUX_RECVFROM          12
  604 #define LINUX_SHUTDOWN          13
  605 #define LINUX_SETSOCKOPT        14
  606 #define LINUX_GETSOCKOPT        15
  607 #define LINUX_SENDMSG           16
  608 #define LINUX_RECVMSG           17
  609 
  610 #define LINUX_AF_UNSPEC         0
  611 #define LINUX_AF_UNIX           1
  612 #define LINUX_AF_INET           2
  613 #define LINUX_AF_AX25           3
  614 #define LINUX_AF_IPX            4
  615 #define LINUX_AF_APPLETALK      5
  616 #define LINUX_AF_INET6          10
  617 
  618 #define LINUX_SOL_SOCKET        1
  619 #define LINUX_SOL_IP            0
  620 #define LINUX_SOL_IPX           256
  621 #define LINUX_SOL_AX25          257
  622 #define LINUX_SOL_TCP           6
  623 #define LINUX_SOL_UDP           17
  624 
  625 #define LINUX_SO_DEBUG          1
  626 #define LINUX_SO_REUSEADDR      2
  627 #define LINUX_SO_TYPE           3
  628 #define LINUX_SO_ERROR          4
  629 #define LINUX_SO_DONTROUTE      5
  630 #define LINUX_SO_BROADCAST      6
  631 #define LINUX_SO_SNDBUF         7
  632 #define LINUX_SO_RCVBUF         8
  633 #define LINUX_SO_KEEPALIVE      9
  634 #define LINUX_SO_OOBINLINE      10
  635 #define LINUX_SO_NO_CHECK       11
  636 #define LINUX_SO_PRIORITY       12
  637 #define LINUX_SO_LINGER         13
  638 
  639 #define LINUX_IP_TOS            1
  640 #define LINUX_IP_TTL            2
  641 #define LINUX_IP_HDRINCL        3
  642 #define LINUX_IP_OPTIONS        4
  643 
  644 #define LINUX_IP_MULTICAST_IF           32
  645 #define LINUX_IP_MULTICAST_TTL          33
  646 #define LINUX_IP_MULTICAST_LOOP         34
  647 #define LINUX_IP_ADD_MEMBERSHIP         35
  648 #define LINUX_IP_DROP_MEMBERSHIP        36
  649 
  650 struct l_sockaddr {
  651         l_ushort        sa_family;
  652         char            sa_data[14];
  653 } __packed;
  654 
  655 struct l_ifmap {
  656         l_ulong         mem_start;
  657         l_ulong         mem_end;
  658         l_ushort        base_addr;
  659         u_char          irq;
  660         u_char          dma;
  661         u_char          port;
  662 } __packed;
  663 
  664 #define LINUX_IFHWADDRLEN       6
  665 #define LINUX_IFNAMSIZ          16
  666 
  667 struct l_ifreq {
  668         union {
  669                 char    ifrn_name[LINUX_IFNAMSIZ];
  670         } ifr_ifrn;
  671 
  672         union {
  673                 struct l_sockaddr       ifru_addr;
  674                 struct l_sockaddr       ifru_dstaddr;
  675                 struct l_sockaddr       ifru_broadaddr;
  676                 struct l_sockaddr       ifru_netmask;
  677                 struct l_sockaddr       ifru_hwaddr;
  678                 l_short         ifru_flags[1];
  679                 l_int           ifru_metric;
  680                 l_int           ifru_mtu;
  681                 struct l_ifmap  ifru_map;
  682                 char            ifru_slave[LINUX_IFNAMSIZ];
  683                 l_uintptr_t     ifru_data;
  684         } ifr_ifru;
  685 } __packed;
  686 
  687 #define ifr_name        ifr_ifrn.ifrn_name      /* interface name */
  688 #define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
  689 
  690 struct l_ifconf {
  691         int     ifc_len;
  692         union {
  693                 l_uintptr_t     ifcu_buf;
  694                 l_uintptr_t     ifcu_req;
  695         } ifc_ifcu;
  696 } __packed;
  697 
  698 #define ifc_buf         ifc_ifcu.ifcu_buf
  699 #define ifc_req         ifc_ifcu.ifcu_req
  700 
  701 /*
  702  * poll()
  703  */
  704 #define LINUX_POLLIN            0x0001
  705 #define LINUX_POLLPRI           0x0002
  706 #define LINUX_POLLOUT           0x0004
  707 #define LINUX_POLLERR           0x0008
  708 #define LINUX_POLLHUP           0x0010
  709 #define LINUX_POLLNVAL          0x0020
  710 #define LINUX_POLLRDNORM        0x0040
  711 #define LINUX_POLLRDBAND        0x0080
  712 #define LINUX_POLLWRNORM        0x0100
  713 #define LINUX_POLLWRBAND        0x0200
  714 #define LINUX_POLLMSG           0x0400
  715 
  716 struct l_pollfd {
  717         l_int           fd;
  718         l_short         events;
  719         l_short         revents;
  720 } __packed;
  721 
  722 #endif /* !_AMD64_LINUX_LINUX_H_ */

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