setjmp.h revision 104493
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 104493 2002-10-04 22:10:06Z mike $ 40 */ 41 42#ifndef _MACHINE_SETJMP_H_ 43#define _MACHINE_SETJMP_H_ 44 45/* 46 * IA64 assembler doesn't like C style comments. This also means we can't 47 * include other include files to get things like the roundup2() macro. 48 * 49 * NOTE: Actual register storage must start on a 16 byte boundary. Both 50 * setjmp and longjmp make that adjustment before referencing the contents 51 * of jmp_buf. The macro JMPBUF_ADDR_OF() allows someone to get the address 52 * of an individual item saved in jmp_buf. 53 */ 54 55#define our_roundup(x, y) (((x)+((y)-1))&(~((y)-1))) 56 57#define JMPBUF_ALIGNMENT 0x10 58#define JMPBUF_ADDR_OF(buf, item) \ 59 ((size_t)((our_roundup((size_t)buf, JMPBUF_ALIGNMENT)) + item)) 60 61#define J_UNAT 0 62#define J_NATS 0x8 63#define J_PFS 0x10 64#define J_BSP 0x18 65#define J_RNAT 0x20 66#define J_PREDS 0x28 67#define J_LC 0x30 68#define J_R4 0x38 69#define J_R5 0x40 70#define J_R6 0x48 71#define J_R7 0x50 72#define J_SP 0x58 73#define J_F2 0x60 74#define J_F3 0x70 75#define J_F4 0x80 76#define J_F5 0x90 77#define J_F16 0xa0 78#define J_F17 0xb0 79#define J_F18 0xc0 80#define J_F19 0xd0 81#define J_F20 0xe0 82#define J_F21 0xf0 83#define J_F22 0x100 84#define J_F23 0x110 85#define J_F24 0x120 86#define J_F25 0x130 87#define J_F26 0x140 88#define J_F27 0x150 89#define J_F28 0x160 90#define J_F29 0x170 91#define J_F30 0x180 92#define J_F31 0x190 93#define J_FPSR 0x1a0 94#define J_B0 0x1a8 95#define J_B1 0x1b0 96#define J_B2 0x1b8 97#define J_B3 0x1c0 98#define J_B4 0x1c8 99#define J_B5 0x1d0 100#define J_SIG0 0x1d8 101#define J_SIG1 0x1e0 102#define J_SIGMASK 0x1e8 103#define J_END 0x1f0 104 105#ifndef LOCORE 106/* 107 * jmp_buf and sigjmp_buf are encapsulated in different structs to force 108 * compile-time diagnostics for mismatches. The structs are the same 109 * internally to avoid some run-time errors for mismatches. 110 */ 111#ifndef _ANSI_SOURCE 112typedef struct _sigjmp_buf { 113 char Buffer[J_END + JMPBUF_ALIGNMENT]; 114} sigjmp_buf[1]; 115#endif 116 117typedef struct _jmp_buf { 118 char Buffer[J_END + JMPBUF_ALIGNMENT]; 119} jmp_buf[1]; 120#endif 121 122#endif /* !_MACHINE_SETJMP_H_ */ 123