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95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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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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* 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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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be 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 THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* 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 THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)reg.h 5.5 (Berkeley) 1/18/91
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* $Id$
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*/
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/*
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* Location of the users' stored
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* registers within appropriate frame of 'trap' and 'syscall', relative to
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* base of stack frame.
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* Normal usage is u.u_ar0[XX] in kernel.
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*/
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/* When referenced during a trap/exception, registers are at these offsets */
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#define tES (0)
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#define tDS (1)
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#define tEDI (2)
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#define tESI (3)
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#define tEBP (4)
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#define tEBX (6)
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#define tEDX (7)
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#define tECX (8)
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#define tEAX (9)
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#define tEIP (12)
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#define tCS (13)
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#define tEFLAGS (14)
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#define tESP (15)
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#define tSS (16)
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/* During a system call, registers are at these offsets instead of above. */
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#define sEDI (0)
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#define sESI (1)
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#define sEBP (2)
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#define sEBX (4)
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#define sEDX (5)
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#define sECX (6)
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#define sEAX (7)
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#define sEFLAGS (8)
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#define sEIP (9)
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#define sCS (10)
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#define sESP (11)
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#define sSS (12)
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#define PC sEIP
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#define SP sESP
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#define PS sEFLAGS
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#define R0 sEDX
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#define R1 sECX
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/*
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* Registers accessible to ptrace(2) syscall for debugger
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*/
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#ifdef IPCREG
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#define NIPCREG 14
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int ipcreg[NIPCREG] =
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{ tES,tDS,tEDI,tESI,tEBP,tEBX,tEDX,tECX,tEAX,tEIP,tCS,tEFLAGS,tESP,tSS };
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#endif
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