sys/compat/svr4/svr4_ucontext.h

   1 /*      $NetBSD: svr4_ucontext.h,v 1.8 2007/12/04 18:40:25 dsl Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1994 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Christos Zoulas.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _SVR4_UCONTEXT_H_
  33 #define _SVR4_UCONTEXT_H_
  34
  35 #include <compat/svr4/svr4_types.h>
  36 #include <compat/svr4/svr4_signal.h>
  37 #include <machine/svr4_machdep.h>
  38
  39 /*
  40  * Machine context
  41  */
  42
  43 #define SVR4_UC_SIGMASK         0x01
  44 #define SVR4_UC_STACK           0x02
  45
  46 #define SVR4_UC_CPU             0x04
  47 #define SVR4_UC_FPU             0x08
  48 #define SVR4_UC_WEITEK          0x10
  49
  50 #define SVR4_UC_MCONTEXT        (SVR4_UC_CPU|SVR4_UC_FPU|SVR4_UC_WEITEK)
  51
  52 #define SVR4_UC_ALL             (SVR4_UC_SIGMASK|SVR4_UC_STACK|SVR4_UC_MCONTEXT)
  53
  54 typedef struct svr4_ucontext {
  55         u_long                   uc_flags;
  56         struct svr4_ucontext    *uc_link;
  57         svr4_sigset_t            uc_sigmask;
  58         struct svr4_sigaltstack  uc_stack;
  59         svr4_mcontext_t          uc_mcontext;
  60 #ifdef SVR4_UC_MACHINE_PAD
  61         long                     uc_pad[SVR4_UC_MACHINE_PAD];
  62 #endif
  63 } svr4_ucontext_t;
  64
  65 #define SVR4_UC_GETREGSET       0
  66 #define SVR4_UC_SETREGSET       1
  67
  68 /*
  69  * Signal frame
  70  */
  71 struct svr4_sigframe {
  72         int     sf_signum;
  73         union   svr4_siginfo  *sf_sip;
  74         struct  svr4_ucontext *sf_ucp;
  75         sig_t   sf_handler;
  76         struct  svr4_ucontext sf_uc;
  77         union   svr4_siginfo  sf_si;
  78 };
  79
  80
  81 void *svr4_getmcontext(struct lwp *, struct svr4_mcontext *, u_long *);
  82 int svr4_setmcontext(struct lwp *, struct svr4_mcontext *, u_long);
  83
  84 void svr4_getcontext(struct lwp *, struct svr4_ucontext *);
  85 int svr4_setcontext(struct lwp *, struct svr4_ucontext *);
  86
  87 #endif /* !_SVR4_UCONTEXT_H_ */