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