sys/compat/linux32/arch/amd64/linux32_signal.h

   1 /*      $NetBSD: linux32_signal.h,v 1.1 2006/02/09 19:18:57 manu Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Emmanuel Dreyfus
  17  * 4. The name of the author may not be used to endorse or promote
  18  *    products derived from this software without specific prior written
  19  *    permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
  25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 #ifndef _AMD64_LINUX32_SIGNAL_H_
  34 #define _AMD64_LINUX32_SIGNAL_H_
  35
  36 #define native_to_linux32_signo native_to_linux_signo
  37 #define linux32_to_native_signo linux_to_native_signo
  38
  39 typedef netbsd32_pointer_t      linux32_handler_t;
  40 typedef netbsd32_pointer_t      linux32_restorer_t;
  41 typedef netbsd32_pointer_t      linux32_siginfop_t;
  42 typedef netbsd32_pointer_t      linux32_ucontextp_t;
  43 typedef netbsd32_pointer_t      linux32_sigcontextp_t;
  44 typedef netbsd32_pointer_t      linux32_fpstatep_t;
  45 typedef u_int32_t               linux32_old_sigset_t;
  46
  47 #define LINUX32__NSIG             64
  48 #define LINUX32__NSIG_BPW         32
  49 #define LINUX32__NSIG_WORDS       (LINUX32__NSIG / LINUX32__NSIG_BPW)
  50
  51 #define LINUX32_SIG_BLOCK         0
  52 #define LINUX32_SIG_UNBLOCK       1
  53 #define LINUX32_SIG_SETMASK       2
  54
  55 #define LINUX32_SA_NOCLDSTOP      0x00000001
  56 #define LINUX32_SA_NOCLDWAIT      0x00000002
  57 #define LINUX32_SA_SIGINFO        0x00000004
  58 #define LINUX32_SA_RESTORER       0x04000000
  59 #define LINUX32_SA_ONSTACK        0x08000000
  60 #define LINUX32_SA_RESTART        0x10000000
  61 #define LINUX32_SA_INTERRUPT      0x20000000
  62 #define LINUX32_SA_NOMASK         0x40000000
  63 #define LINUX32_SA_ONESHOT        0x80000000
  64 #define LINUX32_SA_ALLBITS        0xfc000007
  65
  66 #define LINUX32_SS_ONSTACK        1
  67 #define LINUX32_SS_DISABLE        2
  68
  69 /*
  70  * We only define the ones used in linux32_machdep.c, since they are
  71  * the same on i386 and amd64...
  72  */
  73 #define LINUX32_SIGILL  LINUX_SIGILL
  74 #define LINUX32_SIGFPE  LINUX_SIGFPE
  75 #define LINUX32_SIGSEGV LINUX_SIGSEGV
  76 #define LINUX32_SIGBUS  LINUX_SIGBUS
  77 #define LINUX32_SIGTRAP LINUX_SIGTRAP
  78 #define LINUX32_SIGCHLD LINUX_SIGCHLD
  79 #define LINUX32_SIGIO   LINUX_SIGIO
  80 #define LINUX32_SIGALRM LINUX_SIGALRM
  81 #define LINUX32_SIGRTMIN        LINUX_SIGRTMIN
  82
  83 typedef struct {
  84         u_int32_t sig[LINUX32__NSIG_WORDS];
  85 } linux32_sigset_t;
  86
  87 struct linux32_sigaction {
  88         linux32_handler_t       linux_sa_handler;
  89         u_int32_t               linux_sa_flags;
  90         linux32_restorer_t      linux_sa_restorer;
  91         linux32_sigset_t        linux_sa_mask;
  92 };
  93
  94 typedef union linux32_sigval {
  95         int     sival_int;
  96         netbsd32_voidp  sival_ptr;
  97 } linux32_sigval_t;
  98
  99 #define SI_MAX_SIZE     128
 100 #define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 3)
 101
 102 typedef struct linux32_siginfo {
 103         int     lsi_signo;
 104         int     lsi_errno;
 105         int     lsi_code;
 106         union {
 107                 int _pad[SI_PAD_SIZE];
 108
 109                 /* kill() */
 110                 struct {
 111                         linux32_pid_t   _pid;
 112                         linux32_uid_t   _uid;
 113                 } _kill;
 114
 115                 /* POSIX.1b signals */
 116                 struct {
 117                         linux32_pid_t   _pid;
 118                         linux32_uid_t   _uid;
 119                         linux32_sigval_t        _sigval;
 120                 } _rt;
 121
 122                 /* POSIX.1b timers */
 123                 struct {
 124                         unsigned int    _timer1;
 125                         unsigned int    _timer2;
 126                 } _timer;
 127
 128                 /* SIGCHLD */
 129                 struct {
 130                         linux32_pid_t   _pid;
 131                         linux32_uid_t   _uid;
 132                         int             _status;
 133                         linux32_clock_t _utime;
 134                         linux32_clock_t _stime;
 135                 } _sigchld;
 136
 137                 /* SIGPOLL */
 138                 struct {
 139                         int _band;
 140                         int _fd;
 141                 } _sigpoll;
 142
 143                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
 144                 struct {
 145                         netbsd32_voidp _addr;
 146                 } _sigfault;
 147         } _sidata;
 148 } linux32_siginfo_t;
 149
 150 #define lsi_pid         _sidata._kill._pid
 151 #define lsi_uid         _sidata._kill._uid
 152 #define lsi_status      _sidata._sigchld._status
 153 #define lsi_utime       _sidata._sigchld._utime
 154 #define lsi_stime       _sidata._sigchld._stime
 155 #define lsi_value       _sidata._rt._sigval
 156 #define lsi_int         _sidata._rt._sigval.sival_int
 157 #define lsi_ptr         _sidata._rt._sigval.sival_ptr
 158 #define lsi_addr        _sidata._sigfault._addr
 159 #define lsi_band        _sidata._sigpoll._band
 160 #define lsi_fd          _sidata._sigpoll._fd
 161
 162 /*
 163  * si_code values for non-signals
 164  */
 165 #define LINUX32_SI_USER         0
 166 #define LINUX32_SI_KERNEL               0x80
 167 #define LINUX32_SI_QUEUE                -1
 168 #define LINUX32_SI_TIMER                -2
 169 #define LINUX32_SI_MESGQ                -3
 170 #define LINUX32_SI_ASYNCIO      -4
 171 #define LINUX32_SI_SIGIO                -5
 172 #define LINUX32_SI_SIGNL                -6
 173
 174 /* si_code values for SIGILL */
 175 #define LINUX32_ILL_ILLOPC      1
 176 #define LINUX32_ILL_ILLOPN      2
 177 #define LINUX32_ILL_ILLADR      3
 178 #define LINUX32_ILL_ILLTRP      4
 179 #define LINUX32_ILL_PRVOPC      5
 180 #define LINUX32_ILL_PRVREG      6
 181 #define LINUX32_ILL_COPROC      7
 182 #define LINUX32_ILL_BADSTK      8
 183
 184 /* si_code values for SIGFPE */
 185 #define LINUX32_FPE_INTDIV      1
 186 #define LINUX32_FPE_INTOVF      2
 187 #define LINUX32_FPE_FLTDIV      3
 188 #define LINUX32_FPE_FLTOVF      4
 189 #define LINUX32_FPE_FLTUND      5
 190 #define LINUX32_FPE_FLTRES      6
 191 #define LINUX32_FPE_FLTINV      7
 192 #define LINUX32_FPE_FLTSUB      8
 193
 194 /* si_code values for SIGSEGV */
 195 #define LINUX32_SEGV_MAPERR     1
 196 #define LINUX32_SEGV_ACCERR     2
 197
 198 /* si_code values for SIGBUS */
 199 #define LINUX32_BUS_ADRALN      1
 200 #define LINUX32_BUS_ADRERR      2
 201 #define LINUX32_BUS_OBJERR      3
 202
 203 /* si_code values for SIGTRAP */
 204 #define LINUX32_TRAP_BRKPT      1
 205 #define LINUX32_TRAP_TRACE      2
 206
 207 /* si_code values for SIGCHLD */
 208 #define LINUX32_CLD_EXITED      1
 209 #define LINUX32_CLD_KILLED      2
 210 #define LINUX32_CLD_DUMPED      3
 211 #define LINUX32_CLD_TRAPPED     4
 212 #define LINUX32_CLD_STOPPED     5
 213 #define LINUX32_CLD_CONTINUED   6
 214
 215 /* si_code values for SIGPOLL */
 216 #define LINUX32_POLL_IN         1
 217 #define LINUX32_POLL_OUT                2
 218 #define LINUX32_POLL_MSG                3
 219 #define LINUX32_POLL_ERR                4
 220 #define LINUX32_POLL_PRI                5
 221 #define LINUX32_POLL_HUP                6
 222
 223 #define LINUX32_SI_FROMUSER(sp) ((sp)->si_code <= 0)
 224 #define LINUX32_SI_FROMKERNEL(sp)       ((sp)->si_code > 0)
 225
 226 struct linux32_sigaltstack {
 227         netbsd32_voidp ss_sp;
 228         int ss_flags;
 229         netbsd32_size_t ss_size;
 230 };
 231
 232 struct linux32_sigcontext {
 233         int     sc_gs;
 234         int     sc_fs;
 235         int     sc_es;
 236         int     sc_ds;
 237         int     sc_edi;
 238         int     sc_esi;
 239         int     sc_ebp;
 240         int     sc_esp;
 241         int     sc_ebx;
 242         int     sc_edx;
 243         int     sc_ecx;
 244         int     sc_eax;
 245         int     sc_trapno;
 246         int     sc_err;
 247         int     sc_eip;
 248         int     sc_cs;
 249         int     sc_eflags;
 250         int     sc_esp_at_signal;
 251         int     sc_ss;
 252         linux32_fpstatep_t sc_387;
 253         /* XXX check this */
 254         linux32_old_sigset_t sc_mask;
 255         int     sc_cr2;
 256 };
 257
 258 struct linux32_libc_fpreg {
 259         unsigned short  significand[4];
 260         unsigned short  exponent;
 261 };
 262
 263 struct linux32_libc_fpstate {
 264         u_int32_t cw;
 265         u_int32_t sw;
 266         u_int32_t tag;
 267         u_int32_t ipoff;
 268         u_int32_t cssel;
 269         u_int32_t dataoff;
 270         u_int32_t datasel;
 271         struct linux32_libc_fpreg _st[8];
 272         u_int32_t status;
 273 };
 274
 275 struct linux32_ucontext {
 276         u_int32_t   uc_flags;
 277         linux32_ucontextp_t uc_link;
 278         struct linux32_sigaltstack uc_stack;
 279         struct linux32_sigcontext uc_mcontext;
 280         linux32_sigset_t uc_sigmask;
 281         struct linux32_libc_fpstate uc_fpregs_mem;
 282 };
 283
 284 struct linux32_rt_sigframe {
 285         int     sf_sig;
 286         linux32_siginfop_t  sf_sip;
 287         linux32_ucontextp_t sf_ucp;
 288         struct  linux32_siginfo  sf_si;
 289         struct  linux32_ucontext sf_uc;
 290         linux32_handler_t   sf_handler;
 291 };
 292
 293 struct linux32_sigframe {
 294         int     sf_sig;
 295         struct  linux32_sigcontext sf_sc;
 296         linux32_handler_t   sf_handler;
 297 };
 298
 299 #endif /* _AMD64_LINUX32_SIGNAL_H_ */