[dragonfly.git] / sys / cpu / x86_64 / include / ucontext.h

/*-
 * Copyright (c) 2003 Peter Wemm
 * Copyright (c) 1999 Marcel Moolenaar
 * Copyright (c) 2008 The DragonFly Project.
 * All rights reserved.
 *
 * 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 
 *    in this position and unchanged.
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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: src/sys/amd64/include/ucontext.h,v 1.18 2003/11/08 04:39:22 peter Exp $
 */

#ifndef _CPU_UCONTEXT_H_
#define	_CPU_UCONTEXT_H_

typedef struct __mcontext {
	/*
	 * The first 20 fields must match the definition of
	 * sigcontext. So that we can support sigcontext
	 * and ucontext_t at the same time.
	 *
	 * NOTE: bcopy in sendsig copies trapframe to this
	 * structure as of mc_rdi.
	 */
	__register_t	mc_onstack;	/* XXX - sigcontext compat. */
	__register_t	mc_rdi;
	__register_t	mc_rsi;
	__register_t	mc_rdx;
	__register_t	mc_rcx;
	__register_t	mc_r8;
	__register_t	mc_r9;
	__register_t	mc_rax;
	__register_t	mc_rbx;
	__register_t	mc_rbp;
	__register_t	mc_r10;
	__register_t	mc_r11;
	__register_t	mc_r12;
	__register_t	mc_r13;
	__register_t	mc_r14;
	__register_t	mc_r15;
	__register_t	mc_xflags;
	__register_t	mc_trapno;
	__register_t	mc_addr;
	__register_t	mc_flags;
	__register_t	mc_err;
	__register_t	mc_rip;
	__register_t	mc_cs;
	__register_t	mc_rflags;
	__register_t	mc_rsp;		/* machine state */
	__register_t	mc_ss;

	unsigned int	mc_len;		/* sizeof(mcontext_t) */
	unsigned int	mc_fpformat;
	unsigned int	mc_ownedfp;
	unsigned int	mc_reserved;
	unsigned int	mc_unused01;
	unsigned int	mc_unused02;

	/* 16 byte aligned */

	int		mc_fpregs[128];
	int		__spare__[16];
} mcontext_t;

#define _MC_FPFMT_NODEV		0x10000 /* device not present or configured */
#define _MC_FPFMT_387		0x10001
#define _MC_FPFMT_XMM		0x10002

#define _MC_FPOWNED_NONE	0x20000 /* FP state not used */
#define _MC_FPOWNED_FPU		0x20001 /* FP state came from FPU */
#define _MC_FPOWNED_PCB		0x20002 /* FP state came from PCB */

#endif /* !_CPU_UCONTEXT_H_ */
Commit	Line	Data
fc3f9779 SS	1	/*-
	2	* Copyright (c) 2003 Peter Wemm
	3	* Copyright (c) 1999 Marcel Moolenaar
c8fe38ae	4	* Copyright (c) 2008 The DragonFly Project.
fc3f9779 SS	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer
	12	* in this position and unchanged.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. The name of the author may not be used to endorse or promote products
	17	* derived from this software without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	20	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	21	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	22	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	23	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	24	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	25	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	26	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	27	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	28	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	29	*
	30	* $FreeBSD: src/sys/amd64/include/ucontext.h,v 1.18 2003/11/08 04:39:22 peter Exp $
fc3f9779 SS	31	*/
	32
	33	#ifndef _CPU_UCONTEXT_H_
	34	#define _CPU_UCONTEXT_H_
	35
	36	typedef struct __mcontext {
	37	/*
	38	* The first 20 fields must match the definition of
	39	* sigcontext. So that we can support sigcontext
	40	* and ucontext_t at the same time.
5b9f6cc4 MD	41	*
	42	* NOTE: bcopy in sendsig copies trapframe to this
	43	* structure as of mc_rdi.
fc3f9779	44	*/
c8fe38ae MD	45	__register_t mc_onstack; /* XXX - sigcontext compat. */
c8fe38ae MD	46	__register_t mc_rdi;
fc3f9779 SS	47	__register_t mc_rsi;
	48	__register_t mc_rdx;
	49	__register_t mc_rcx;
	50	__register_t mc_r8;
	51	__register_t mc_r9;
	52	__register_t mc_rax;
	53	__register_t mc_rbx;
	54	__register_t mc_rbp;
	55	__register_t mc_r10;
	56	__register_t mc_r11;
	57	__register_t mc_r12;
	58	__register_t mc_r13;
	59	__register_t mc_r14;
	60	__register_t mc_r15;
5b9f6cc4	61	__register_t mc_xflags;
fc3f9779 SS	62	__register_t mc_trapno;
	63	__register_t mc_addr;
	64	__register_t mc_flags;
	65	__register_t mc_err;
	66	__register_t mc_rip;
	67	__register_t mc_cs;
	68	__register_t mc_rflags;
c8fe38ae	69	__register_t mc_rsp; /* machine state */
fc3f9779 SS	70	__register_t mc_ss;
fc3f9779 SS	71
c8fe38ae MD	72	unsigned int mc_len; /* sizeof(mcontext_t) */
	73	unsigned int mc_fpformat;
	74	unsigned int mc_ownedfp;
	75	unsigned int mc_reserved;
	76	unsigned int mc_unused01;
	77	unsigned int mc_unused02;
	78
	79	/* 16 byte aligned */
	80
	81	int mc_fpregs[128];
	82	int __spare__[16];
fc3f9779 SS	83	} mcontext_t;
fc3f9779 SS	84
c8fe38ae MD	85	#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
	86	#define _MC_FPFMT_387 0x10001
	87	#define _MC_FPFMT_XMM 0x10002
	88
	89	#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
	90	#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
	91	#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
	92
fc3f9779	93	#endif /* !_CPU_UCONTEXT_H_ */