143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/*-
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* Copyright (c) 2000
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* Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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*
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* This product includes software developed by Intel Corporation and
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* its contributors.
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*
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* 4. Neither the name of Intel Corporation or its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_SETJMP_H_
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#define _MACHINE_SETJMP_H_
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#include <sys/cdefs.h>
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/*
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* IA64 assembler doesn't like C style comments. This also means we can't
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* include other include files to get things like the roundup2() macro.
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*
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* NOTE: Actual register storage must start on a 16 byte boundary. Both
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* setjmp and longjmp make that adjustment before referencing the contents
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* of jmp_buf. The macro JMPBUF_ADDR_OF() allows someone to get the address
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* of an individual item saved in jmp_buf.
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*/
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#if __BSD_VISIBLE
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#define our_roundup(x, y) (((x)+((y)-1))&(~((y)-1)))
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#endif
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#define _JMPBUF_ALIGNMENT 0x10
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#if __BSD_VISIBLE
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#define JMPBUF_ALIGNMENT _JMPBUF_ALIGNMENT
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#define JMPBUF_ADDR_OF(buf, item) \
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((size_t)((our_roundup((size_t)buf, JMPBUF_ALIGNMENT)) + item))
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#define J_UNAT 0
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#define J_NATS 0x8
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#define J_PFS 0x10
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#define J_BSP 0x18
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#define J_RNAT 0x20
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#define J_PREDS 0x28
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#define J_LC 0x30
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#define J_R4 0x38
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#define J_R5 0x40
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#define J_R6 0x48
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#define J_R7 0x50
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#define J_SP 0x58
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#define J_F2 0x60
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#define J_F3 0x70
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#define J_F4 0x80
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#define J_F5 0x90
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#define J_F16 0xa0
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#define J_F17 0xb0
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#define J_F18 0xc0
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#define J_F19 0xd0
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#define J_F20 0xe0
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#define J_F21 0xf0
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#define J_F22 0x100
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#define J_F23 0x110
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#define J_F24 0x120
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#define J_F25 0x130
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#define J_F26 0x140
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#define J_F27 0x150
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#define J_F28 0x160
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#define J_F29 0x170
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#define J_F30 0x180
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#define J_F31 0x190
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#define J_FPSR 0x1a0
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#define J_B0 0x1a8
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#define J_B1 0x1b0
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#define J_B2 0x1b8
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#define J_B3 0x1c0
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#define J_B4 0x1c8
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#define J_B5 0x1d0
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#define J_SIG0 0x1d8
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#define J_SIG1 0x1e0
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#define J_SIGMASK 0x1e8
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#endif /* __BSD_VISIBLE */
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#define _J_END 0x1f0
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#if __BSD_VISIBLE
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#define J_END _J_END
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#endif
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/*
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* XXX this check is wrong, since LOCORE is in the application namespace and
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* applications shouldn't be able to affect the implementation. One workaround
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* would be to only check LOCORE if _KERNEL is defined, but unfortunately
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* LOCORE is used outside of the kernel. The best solution would be to rename
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* LOCORE to _LOCORE, so that it can be used in userland to safely affect the
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* implementation.
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*/
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#ifndef LOCORE
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/*
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* jmp_buf and sigjmp_buf are encapsulated in different structs to force
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* compile-time diagnostics for mismatches. The structs are the same
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* internally to avoid some run-time errors for mismatches.
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*/
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#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
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typedef struct _sigjmp_buf {
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char _Buffer[_J_END + _JMPBUF_ALIGNMENT];
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} sigjmp_buf[1];
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#endif
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typedef struct _jmp_buf {
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char _Buffer[ _J_END + _JMPBUF_ALIGNMENT ];
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} jmp_buf[1];
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#endif
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#endif /* !_MACHINE_SETJMP_H_ */
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