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/* $OpenBSD: frame.h,v 1.3 2018/06/30 15:23:37 deraadt Exp $ */
/*
* Copyright (c) 2016 Dale Rahn <drahn@dalerahn.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_
#ifndef _LOCORE
#include <sys/signal.h>
/*
* Exception/Trap Stack Frame
*/
#define clockframe trapframe
typedef struct trapframe {
register_t tf_sp;
register_t tf_lr;
register_t tf_elr;
register_t tf_spsr;
register_t tf_x[30];
} trapframe_t;
/*
* pushed on stack for signal delivery
*/
struct sigframe {
int sf_signum;
struct sigcontext sf_sc;
siginfo_t sf_si;
};
/*
* System stack frames.
*/
/*
* Stack frame inside cpu_switch()
*/
struct switchframe {
register_t sf_x19;
register_t sf_x20;
register_t sf_x21;
register_t sf_x22;
register_t sf_x23;
register_t sf_x24;
register_t sf_x25;
register_t sf_x26;
register_t sf_x27;
register_t sf_x28;
register_t sf_x29;
register_t sf_lr;
};
struct callframe {
struct callframe *f_frame;
register_t f_lr;
};
#endif /* !_LOCORE */
#endif /* _MACHINE_FRAME_H_ */
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