/* $NetBSD: frame.h,v 1.23 2025/06/27 21:36:24 andvar Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)frame.h 5.2 (Berkeley) 1/18/91
*/
/*
* Adapted for NetBSD/amd64 by
[email protected]
*/
#ifndef _AMD64_FRAME_H_
#define _AMD64_FRAME_H_
#ifdef __x86_64__
#include <sys/signal.h>
#include <sys/ucontext.h>
#include <machine/frame_regs.h>
/*
* System stack frames.
*/
/*
* Exception/Trap Stack Frame
*/
#define tf(reg, REG, idx) uint64_t tf_##reg;
struct trapframe {
_FRAME_REG(tf, tf)
};
#undef tf
/*
* Interrupt stack frame
*/
struct intrframe {
uint64_t if_ppl; /* Old interrupt mask level */
struct trapframe if_tf;
};
#ifdef XEN
/*
* Need arch independent way to access IP and CS from intrframe
*/
#define _INTRFRAME_CS if_tf.tf_cs
#define _INTRFRAME_IP if_tf.tf_rip
#endif
/*
* Stack frame inside cpu_switchto()
*/
struct switchframe {
uint64_t sf_r15;
uint64_t sf_r14;
uint64_t sf_r13;
uint64_t sf_r12;
uint64_t sf_rbx;
uint64_t sf_rip;
};
/*
* Signal frame
*/
struct sigframe_siginfo {
uint64_t sf_ra; /* return address for handler */
siginfo_t sf_si; /* actual saved siginfo */
ucontext_t sf_uc; /* actual saved ucontext */
};
#ifdef _KERNEL
struct lwp;
void buildcontext(struct lwp *, void *, void *);
#define lwp_trapframe(l) ((l)->l_md.md_regs)
#endif
#else /* __x86_64__ */
#include <i386/frame.h>
#endif /* __x86_64__ */
#endif /* _AMD64_FRAME_H_ */
