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

     /*      $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $  */
     
     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 1994-1997 Mark Brinicombe.
      * Copyright (c) 1994 Brini.
      * All rights reserved.
      *
     * This code is derived from software written for Brini by Mark Brinicombe
     *
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Brini.
     * 4. The name of the company nor the name of the author may be used to
     *    endorse or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI OR CONTRIBUTORS 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.
     *
     * RiscBSD kernel project
     *
     * frame.h
     *
     * Stack frames structures
     *
     * Created      : 30/09/94
     *
     * $FreeBSD$
     *
     */
    
    #ifndef _MACHINE_FRAME_H_
    #define _MACHINE_FRAME_H_
    
    #ifndef _LOCORE
    
    #include <sys/signal.h>
    #include <sys/ucontext.h>
    
    /*
     * Trap frame.  Pushed onto the kernel stack on a trap (synchronous exception).
     */
    
    struct trapframe {
            register_t tf_spsr;
            register_t tf_r0;
            register_t tf_r1;
            register_t tf_r2;
            register_t tf_r3;
            register_t tf_r4;
            register_t tf_r5;
            register_t tf_r6;
            register_t tf_r7;
            register_t tf_r8;
            register_t tf_r9;
            register_t tf_r10;
            register_t tf_r11;
            register_t tf_r12;
            register_t tf_usr_sp;
            register_t tf_usr_lr;
            register_t tf_svc_sp;
            register_t tf_svc_lr;
            register_t tf_pc;
            register_t tf_pad;
    };
    
    /* Register numbers */
    #define tf_r13 tf_usr_sp
    #define tf_r14 tf_usr_lr
    #define tf_r15 tf_pc
    
    /*
     * Signal frame.  Pushed onto user stack before calling sigcode.
     * The pointers are used in the trampoline code to locate the ucontext.
     */
    struct sigframe {
            siginfo_t       sf_si;          /* actual saved siginfo */
            ucontext_t      sf_uc;          /* actual saved ucontext */
            mcontext_vfp_t  sf_vfp;         /* actual saved VFP context */
    };
   
   /*
    * Switch frame.
    *
    * It is important this is a multiple of 8 bytes so the stack is correctly
    * aligned when we create new threads.
    */
   struct switchframe
   {
           register_t sf_r4;
           register_t sf_r5;
           register_t sf_r6;
           register_t sf_r7;
           register_t sf_r8;
           register_t sf_r9;
           register_t sf_r10;
           register_t sf_r11;
           register_t sf_r12;
           register_t sf_sp;
           register_t sf_lr;
           register_t sf_pc;
           register_t sf_tpidrurw;
           register_t sf_spare0;
   };
   
   /*
    * Stack frame. Used during stack traces (db_trace.c)
    */
   struct frame {
           u_int   fr_fp;
           u_int   fr_sp;
           u_int   fr_lr;
           u_int   fr_pc;
   };
   
   #endif /* !_LOCORE */
   
   #endif /* _MACHINE_FRAME_H_ */

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