ucontext.h

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    1 /*      $NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc.
    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  * $FreeBSD: releng/11.2/sys/arm/include/ucontext.h 331722 2018-03-29 02:50:57Z eadler $
   32  */
   33 
   34 #ifndef _MACHINE_MCONTEXT_H_
   35 #define _MACHINE_MCONTEXT_H_
   36 /*
   37  * General register state
   38  */
   39 #define _NGREG          17
   40 typedef unsigned int    __greg_t;
   41 typedef __greg_t        __gregset_t[_NGREG];
   42 
   43 #define _REG_R0         0
   44 #define _REG_R1         1
   45 #define _REG_R2         2
   46 #define _REG_R3         3
   47 #define _REG_R4         4
   48 #define _REG_R5         5
   49 #define _REG_R6         6
   50 #define _REG_R7         7
   51 #define _REG_R8         8
   52 #define _REG_R9         9
   53 #define _REG_R10        10
   54 #define _REG_R11        11
   55 #define _REG_R12        12
   56 #define _REG_R13        13
   57 #define _REG_R14        14
   58 #define _REG_R15        15
   59 #define _REG_CPSR       16
   60 /* Convenience synonyms */
   61 #define _REG_FP         _REG_R11
   62 #define _REG_SP         _REG_R13
   63 #define _REG_LR         _REG_R14
   64 #define _REG_PC         _REG_R15
   65 
   66 /*
   67  * Floating point register state
   68  */
   69 typedef struct {
   70         __uint64_t      mcv_reg[32];
   71         __uint32_t      mcv_fpscr;
   72 } mcontext_vfp_t;
   73 
   74 typedef struct {
   75         __gregset_t     __gregs;
   76 
   77         /*
   78          * Originally, rest of this structure was named __fpu, 35 * 4 bytes
   79          * long, never accessed from kernel. 
   80          */
   81         __size_t        mc_vfp_size;
   82         void            *mc_vfp_ptr;
   83         unsigned int    mc_spare[33];
   84 } mcontext_t;
   85 
   86 #define UC_
   87 #endif  /* !_MACHINE_MCONTEXT_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm/include/ucontext.h

FreeBSD/Linux Kernel Cross Reference
sys/arm/include/ucontext.h