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/* $NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $ */
/*-
* Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_MCONTEXT_H_
#define _MACHINE_MCONTEXT_H_
/*
* General register state
*/
#define _NGREG 17
typedef unsigned int __greg_t;
typedef __greg_t __gregset_t[_NGREG];
#define _REG_R0 0
#define _REG_R1 1
#define _REG_R2 2
#define _REG_R3 3
#define _REG_R4 4
#define _REG_R5 5
#define _REG_R6 6
#define _REG_R7 7
#define _REG_R8 8
#define _REG_R9 9
#define _REG_R10 10
#define _REG_R11 11
#define _REG_R12 12
#define _REG_R13 13
#define _REG_R14 14
#define _REG_R15 15
#define _REG_CPSR 16
/* Convenience synonyms */
#define _REG_FP _REG_R11
#define _REG_SP _REG_R13
#define _REG_LR _REG_R14
#define _REG_PC _REG_R15
/*
* Floating point register state
*/
/* Note: the storage layout of this structure must be identical to ARMFPE! */
typedef struct {
unsigned int __fp_fpsr;
struct {
unsigned int __fp_exponent;
unsigned int __fp_mantissa_hi;
unsigned int __fp_mantissa_lo;
} __fp_fr[8];
} __fpregset_t;
typedef struct {
unsigned int __vfp_fpscr;
unsigned int __vfp_fstmx[33];
unsigned int __vfp_fpsid;
} __vfpregset_t;
typedef struct {
__gregset_t __gregs;
union {
__fpregset_t __fpregs;
__vfpregset_t __vfpregs;
} __fpu;
} mcontext_t;
/* Machine-dependent uc_flags */
#define _UC_ARM_VFP 0x00010000 /* FPU field is VFP */
/* used by signal delivery to indicate status of signal stack */
#define _UC_SETSTACK 0x00020000
#define _UC_CLRSTACK 0x00040000
#endif /* !_MACHINE_MCONTEXT_H_ */
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