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frame.h revision 1.4
      1 /*	$NetBSD: frame.h,v 1.4 2003/10/13 18:38:02 fvdl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*-
     40  * Copyright (c) 1990 The Regents of the University of California.
     41  * All rights reserved.
     42  *
     43  * This code is derived from software contributed to Berkeley by
     44  * William Jolitz.
     45  *
     46  * Redistribution and use in source and binary forms, with or without
     47  * modification, are permitted provided that the following conditions
     48  * are met:
     49  * 1. Redistributions of source code must retain the above copyright
     50  *    notice, this list of conditions and the following disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  * 3. Neither the name of the University nor the names of its contributors
     55  *    may be used to endorse or promote products derived from this software
     56  *    without specific prior written permission.
     57  *
     58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68  * SUCH DAMAGE.
     69  *
     70  *	@(#)frame.h	5.2 (Berkeley) 1/18/91
     71  */
     72 
     73 /*
     74  * Adapted for NetBSD/amd64 by fvdl (at) wasabisystems.com
     75  */
     76 
     77 #ifndef _AMD64_FRAME_H_
     78 #define _AMD64_FRAME_H_
     79 
     80 #include <sys/signal.h>
     81 #include <machine/fpu.h>
     82 
     83 /*
     84  * System stack frames.
     85  */
     86 
     87 /*
     88  * Exception/Trap Stack Frame
     89  */
     90 struct trapframe {
     91 	uint64_t	tf_rdi;
     92 	uint64_t	tf_rsi;
     93 	uint64_t	tf_rdx;
     94 	uint64_t	tf_rcx;
     95 	uint64_t	tf_r8;
     96 	uint64_t 	tf_r9;
     97 	uint64_t	tf_r10;
     98 	uint64_t 	tf_r11;
     99 	uint64_t 	tf_r12;
    100 	uint64_t 	tf_r13;
    101 	uint64_t 	tf_r14;
    102 	uint64_t 	tf_r15;
    103 	uint64_t	tf_rbp;
    104 	uint64_t	tf_rbx;
    105 	uint64_t	tf_rax;
    106 	uint64_t	tf_gs;
    107 	uint64_t	tf_fs;
    108 	uint64_t	tf_es;
    109 	uint64_t	tf_ds;
    110 	uint64_t	tf_trapno;
    111 	/* below portion defined in hardware */
    112 	uint64_t	tf_err;
    113 	uint64_t	tf_rip;
    114 	uint64_t	tf_cs;
    115 	uint64_t	tf_rflags;
    116 	/* These are pushed unconditionally on the x86-64 */
    117 	uint64_t	tf_rsp;
    118 	uint64_t	tf_ss;
    119 };
    120 
    121 /*
    122  * Interrupt stack frame
    123  */
    124 struct intrframe {
    125 	uint64_t	if_ppl;
    126 	uint64_t	if_rdi;
    127 	uint64_t	if_rsi;
    128 	uint64_t	if_rdx;
    129 	uint64_t	if_rcx;
    130 	uint64_t	if_r8;
    131 	uint64_t	if_r9;
    132 	uint64_t	if_r10;
    133 	uint64_t	if_r11;
    134 	uint64_t	if_r12;
    135 	uint64_t	if_r13;
    136 	uint64_t	if_r14;
    137 	uint64_t	if_r15;
    138 	uint64_t	if_rbp;
    139 	uint64_t	if_rbx;
    140 	uint64_t	if_rax;
    141 	uint64_t	tf_gs;
    142 	uint64_t	tf_fs;
    143 	uint64_t	tf_es;
    144 	uint64_t	tf_ds;
    145 	u_int64_t __if_trapno; /* for compat with trap frame - trapno */
    146 	u_int64_t __if_err;	/* for compat with trap frame - err */
    147 	/* below portion defined in hardware */
    148 	uint64_t	if_rip;
    149 	uint64_t	if_cs;
    150 	uint64_t	if_rflags;
    151 	/* These are pushed unconditionally on the x86-64 */
    152 	uint64_t	if_rsp;
    153 	uint64_t	if_ss;
    154 };
    155 
    156 /*
    157  * Stack frame inside cpu_switch()
    158  */
    159 struct switchframe {
    160 	uint64_t	sf_r15;
    161 	uint64_t	sf_r14;
    162 	uint64_t	sf_r13;
    163 	uint64_t	sf_r12;
    164 	uint64_t	sf_rbp;
    165 	uint64_t	sf_rbx;
    166 	uint64_t	sf_rip;
    167 };
    168 
    169 /*
    170  * Signal frame
    171  */
    172 struct sigframe_sigcontext {
    173 	uint64_t sf_ra;
    174 	struct	sigcontext sf_sc;
    175 };
    176 
    177 struct sigframe_siginfo {
    178 	uint64_t	sf_ra;		/* return address for handler */
    179 	siginfo_t	sf_si;		/* actual saved siginfo */
    180 	ucontext_t	sf_uc;		/* actual saved ucontext */
    181 };
    182 
    183 #ifdef _KERNEL
    184 void *getframe(struct lwp *, int, int *);
    185 void buildcontext(struct lwp *, void *, void *);
    186 #ifdef COMPAT_16
    187 void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
    188 #endif
    189 #endif
    190 
    191 #endif  /* _AMD64_FRAME_H_ */
    192