FreeBSD/Linux Kernel Cross Reference
sys/arm64/include/frame.h

     /*-
      * Copyright (c) 2014 Andrew Turner
      * Copyright (c) 2014 The FreeBSD Foundation
      * All rights reserved.
      *
      * This software was developed by Andrew Turner under
      * sponsorship from the FreeBSD Foundation.
      *
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 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.
     *
     * $FreeBSD: releng/11.2/sys/arm64/include/frame.h 319204 2017-05-30 13:02:10Z andrew $
     */
    
    #ifndef _MACHINE_FRAME_H_
    #define _MACHINE_FRAME_H_
    
    #ifndef LOCORE
    
    #include <sys/signal.h>
    #include <sys/ucontext.h>
    
    /*
     * NOTE: keep this structure in sync with struct reg and struct mcontext.
     */
    struct trapframe {
            uint64_t tf_sp;
            uint64_t tf_lr;
            uint64_t tf_elr;
            uint32_t tf_spsr;
            uint32_t tf_esr;
            uint64_t tf_x[30];
    };
    
    struct arm64_frame {
            struct arm64_frame      *f_frame;
            u_long                  f_retaddr;
    };
    
    /*
     * Signal frame, pushedonto the user stack
     */
    struct sigframe {
            siginfo_t       sf_si;          /* actual saved siginfo */
            ucontext_t      sf_uc;          /* actual saved ucontext */
    };
    
    /*
     * There is no fixed frame layout, other than to be 16-byte aligned
     */
    struct frame {
            int dummy;
    };
    
    #endif /* !LOCORE */
    
    #endif /* !_MACHINE_FRAME_H_ */

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