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- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
- *
- * @(#)reg.h 5.5 (Berkeley) 1/18/91
- */
-
- /*
- * Location of the users' stored
- * registers within appropriate frame of 'trap' and 'syscall', relative to
- * base of stack frame.
- * Normal usage is u.u_ar0[XX] in kernel.
- */
-
- /* When referenced during a trap/exception, registers are at these offsets */
-
- #define tES (0)
- #define tDS (1)
- #define tEDI (2)
- #define tESI (3)
- #define tEBP (4)
-
- #define tEBX (6)
- #define tEDX (7)
- #define tECX (8)
- #define tEAX (9)
-
- #define tEIP (12)
- #define tCS (13)
- #define tEFLAGS (14)
- #define tESP (15)
- #define tSS (16)
-
- /* During a system call, registers are at these offsets instead of above. */
-
- #define sEDI (0)
- #define sESI (1)
- #define sEBP (2)
-
- #define sEBX (4)
- #define sEDX (5)
- #define sECX (6)
- #define sEAX (7)
- #define sEFLAGS (8)
- #define sEIP (9)
- #define sCS (10)
- #define sESP (11)
- #define sSS (12)
-
- #define PC sEIP
- #define SP sESP
- #define PS sEFLAGS
- #define R0 sEDX
- #define R1 sECX
- /*
- * Registers accessible to ptrace(2) syscall for debugger
- */
- #ifdef IPCREG
- #define NIPCREG 14
- int ipcreg[NIPCREG] =
- { tES,tDS,tEDI,tESI,tEBP,tEBX,tEDX,tECX,tEAX,tEIP,tCS,tEFLAGS,tESP,tSS };
- #endif
-