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/*-
* Copyright (c) 2000
* Intel Corporation.
* 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.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
*
* This product includes software developed by Intel Corporation and
* its contributors.
*
* 4. Neither the name of Intel Corporation or its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION 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 INTEL CORPORATION 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_SETJMP_H_
#define _MACHINE_SETJMP_H_
#include <sys/cdefs.h>
#if __BSD_VISIBLE
#define JMPBUF_ADDR_OF(buf, item) ((unsigned long)((char *)buf + item))
#define J_UNAT 0
#define J_NATS 0x8
#define J_PFS 0x10
#define J_BSP 0x18
#define J_RNAT 0x20
#define J_PREDS 0x28
#define J_LC 0x30
#define J_R4 0x38
#define J_R5 0x40
#define J_R6 0x48
#define J_R7 0x50
#define J_SP 0x58
#define J_F2 0x60
#define J_F3 0x70
#define J_F4 0x80
#define J_F5 0x90
#define J_F16 0xa0
#define J_F17 0xb0
#define J_F18 0xc0
#define J_F19 0xd0
#define J_F20 0xe0
#define J_F21 0xf0
#define J_F22 0x100
#define J_F23 0x110
#define J_F24 0x120
#define J_F25 0x130
#define J_F26 0x140
#define J_F27 0x150
#define J_F28 0x160
#define J_F29 0x170
#define J_F30 0x180
#define J_F31 0x190
#define J_FPSR 0x1a0
#define J_B0 0x1a8
#define J_B1 0x1b0
#define J_B2 0x1b8
#define J_B3 0x1c0
#define J_B4 0x1c8
#define J_B5 0x1d0
#define J_SIGMASK 0x1d8
#define J_SIGSET 0x1e0
#endif /* __BSD_VISIBLE */
#define _JBLEN 0x20 /* Size in long doubles */
/*
* XXX this check is wrong, since LOCORE is in the application namespace and
* applications shouldn't be able to affect the implementation. One workaround
* would be to only check LOCORE if _KERNEL is defined, but unfortunately
* LOCORE is used outside of the kernel. The best solution would be to rename
* LOCORE to _LOCORE, so that it can be used in userland to safely affect the
* implementation.
*/
#ifndef LOCORE
/*
* jmp_buf and sigjmp_buf are encapsulated in different structs to force
* compile-time diagnostics for mismatches. The structs are the same
* internally to avoid some run-time errors for mismatches.
*/
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
struct _sigjmp_buf {
long double buf[_JBLEN];
};
typedef struct _sigjmp_buf sigjmp_buf[1];
#endif
struct _jmp_buf {
long double buf[_JBLEN];
};
typedef struct _jmp_buf jmp_buf[1];
#ifdef _KERNEL
#ifdef CTASSERT
CTASSERT(sizeof(struct _jmp_buf) == 512);
#endif
#endif
#endif /* !LOCORE */
#endif /* !_MACHINE_SETJMP_H_ */
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