setjmp.h revision 111894
1/*- 2 * Copyright (c) 2000 3 * Intel Corporation. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 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 * 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * 20 * This product includes software developed by Intel Corporation and 21 * its contributors. 22 * 23 * 4. Neither the name of Intel Corporation or its contributors may be 24 * used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS'' 28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE 31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 37 * THE POSSIBILITY OF SUCH DAMAGE. 38 * 39 * $FreeBSD: head/sys/ia64/include/setjmp.h 111894 2003-03-05 03:30:54Z marcel $ 40 */ 41 42#ifndef _MACHINE_SETJMP_H_ 43#define _MACHINE_SETJMP_H_ 44 45#include <sys/cdefs.h> 46 47#if __BSD_VISIBLE 48#define JMPBUF_ADDR_OF(buf, item) ((unsigned long)((char *)buf + item)) 49 50#define J_UNAT 0 51#define J_NATS 0x8 52#define J_PFS 0x10 53#define J_BSP 0x18 54#define J_RNAT 0x20 55#define J_PREDS 0x28 56#define J_LC 0x30 57#define J_R4 0x38 58#define J_R5 0x40 59#define J_R6 0x48 60#define J_R7 0x50 61#define J_SP 0x58 62#define J_F2 0x60 63#define J_F3 0x70 64#define J_F4 0x80 65#define J_F5 0x90 66#define J_F16 0xa0 67#define J_F17 0xb0 68#define J_F18 0xc0 69#define J_F19 0xd0 70#define J_F20 0xe0 71#define J_F21 0xf0 72#define J_F22 0x100 73#define J_F23 0x110 74#define J_F24 0x120 75#define J_F25 0x130 76#define J_F26 0x140 77#define J_F27 0x150 78#define J_F28 0x160 79#define J_F29 0x170 80#define J_F30 0x180 81#define J_F31 0x190 82#define J_FPSR 0x1a0 83#define J_B0 0x1a8 84#define J_B1 0x1b0 85#define J_B2 0x1b8 86#define J_B3 0x1c0 87#define J_B4 0x1c8 88#define J_B5 0x1d0 89#define J_SIGMASK 0x1d8 90#define J_SIGSET 0x1e0 91#endif /* __BSD_VISIBLE */ 92 93/* 94 * We have 16 bytes left for future use, but it's a nice round, 95 * but above all large number. Size is in bytes. 96 */ 97#define _JMPBUFSZ 0x200 98 99/* 100 * XXX this check is wrong, since LOCORE is in the application namespace and 101 * applications shouldn't be able to affect the implementation. One workaround 102 * would be to only check LOCORE if _KERNEL is defined, but unfortunately 103 * LOCORE is used outside of the kernel. The best solution would be to rename 104 * LOCORE to _LOCORE, so that it can be used in userland to safely affect the 105 * implementation. 106 */ 107#ifndef LOCORE 108 109/* 110 * jmp_buf and sigjmp_buf are encapsulated in different structs to force 111 * compile-time diagnostics for mismatches. The structs are the same 112 * internally to avoid some run-time errors for mismatches. 113 */ 114#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE 115struct _sigjmp_buf { 116 char _Buffer[_JMPBUFSZ]; 117} __aligned(16); 118typedef struct _sigjmp_buf sigjmp_buf[1]; 119#endif 120 121struct _jmp_buf { 122 char _Buffer[_JMPBUFSZ]; 123} __aligned(16); 124typedef struct _jmp_buf jmp_buf[1]; 125 126#endif /* !LOCORE */ 127 128#endif /* !_MACHINE_SETJMP_H_ */ 129