FreeBSD/Linux Kernel Cross Reference
sys/i386/svr4/svr4_machdep.h

     /*-
      * Copyright (c) 1998 Mark Newton
      * Copyright (c) 1994 Christos Zoulas
      * 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.
     * 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_SVR4_MACHDEP_H_
    #define _I386_SVR4_MACHDEP_H_
    
    #if !defined(SVR4_MACHDEP_JUST_REGS)
    #include <sys/signal.h>
    #include <compat/svr4/svr4_types.h>
    #endif
    
    /*
     * Machine dependent portions [X86]
     */
    
    #define SVR4_X86_GS     0
    #define SVR4_X86_FS     1
    #define SVR4_X86_ES     2
    #define SVR4_X86_DS     3
    #define SVR4_X86_EDI    4
    #define SVR4_X86_ESI    5
    #define SVR4_X86_EBP    6
    #define SVR4_X86_ESP    7
    #define SVR4_X86_EBX    8
    #define SVR4_X86_EDX    9
    #define SVR4_X86_ECX    10
    #define SVR4_X86_EAX    11
    #define SVR4_X86_TRAPNO 12
    #define SVR4_X86_ERR    13
    #define SVR4_X86_EIP    14
    #define SVR4_X86_CS     15
    #define SVR4_X86_EFL    16
    #define SVR4_X86_UESP   17
    #define SVR4_X86_SS     18
    #define SVR4_X86_MAXREG 19
    
    
    #if !defined(SVR4_MACHDEP_JUST_REGS)
    typedef int svr4_greg_t;
    typedef svr4_greg_t svr4_gregset_t[SVR4_X86_MAXREG];
    
    typedef struct {
        int         f_x87[62];      /* x87 registers */
        long        f_weitek[33];   /* weitek */
    } svr4_fregset_t;
    
    struct thread;
    struct svr4_ucontext;
    
    void svr4_getcontext(struct thread *, struct svr4_ucontext *, sigset_t *, int);
    int svr4_setcontext(struct thread *p, struct svr4_ucontext *);
    
    typedef struct {
            svr4_gregset_t  greg;
            svr4_fregset_t  freg;
    } svr4_mcontext_t;
    
    /*
     * SYSARCH numbers
     */
    #define SVR4_SYSARCH_FPHW       40
    #define SVR4_SYSARCH_DSCR       75
    
    struct svr4_ssd {
            unsigned int selector;
            unsigned int base;
            unsigned int limit;
            unsigned int access1;
            unsigned int access2;
    };
    
    /*
    * Processor traps
    */
   #define SVR4_T_DIVIDE           0
   #define SVR4_T_TRCTRAP          1
   #define SVR4_T_NMI              2
   #define SVR4_T_BPTFLT           3
   #define SVR4_T_OFLOW            4
   #define SVR4_T_BOUND            5
   #define SVR4_T_PRIVINFLT        6
   #define SVR4_T_DNA              7
   #define SVR4_T_DOUBLEFLT        8
   #define SVR4_T_FPOPFLT          9
   #define SVR4_T_TSSFLT           10
   #define SVR4_T_SEGNPFLT         11
   #define SVR4_T_STKFLT           12
   #define SVR4_T_PROTFLT          13
   #define SVR4_T_PAGEFLT          14
   #define SVR4_T_ALIGNFLT         17
   
   #endif /* !SVR4_MACHDEP_JUST_REGS */
   #endif /* !_I386_SVR4_MACHDEP_H_ */

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