projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 28a753c6 WJ |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * William Jolitz. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 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 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 36 | * @(#)reg.h 5.5 (Berkeley) 1/18/91 | |
| 37 | */ | |
| 38 | ||
| 39 | /* | |
| 40 | * Location of the users' stored | |
| 41 | * registers within appropriate frame of 'trap' and 'syscall', relative to | |
| 42 | * base of stack frame. | |
| 43 | * Normal usage is u.u_ar0[XX] in kernel. | |
| 44 | */ | |
| 45 | ||
| 46 | /* When referenced during a trap/exception, registers are at these offsets */ | |
| 47 | ||
| 48 | #define tES (0) | |
| 49 | #define tDS (1) | |
| 50 | #define tEDI (2) | |
| 51 | #define tESI (3) | |
| 52 | #define tEBP (4) | |
| 53 | ||
| 54 | #define tEBX (6) | |
| 55 | #define tEDX (7) | |
| 56 | #define tECX (8) | |
| 57 | #define tEAX (9) | |
| 58 | ||
| 59 | #define tEIP (12) | |
| 60 | #define tCS (13) | |
| 61 | #define tEFLAGS (14) | |
| 62 | #define tESP (15) | |
| 63 | #define tSS (16) | |
| 64 | ||
| 65 | /* During a system call, registers are at these offsets instead of above. */ | |
| 66 | ||
| 67 | #define sEDI (0) | |
| 68 | #define sESI (1) | |
| 69 | #define sEBP (2) | |
| 70 | ||
| 71 | #define sEBX (4) | |
| 72 | #define sEDX (5) | |
| 73 | #define sECX (6) | |
| 74 | #define sEAX (7) | |
| 75 | #define sEFLAGS (8) | |
| 76 | #define sEIP (9) | |
| 77 | #define sCS (10) | |
| 78 | #define sESP (11) | |
| 79 | #define sSS (12) | |
| 80 | ||
| 81 | #define PC sEIP | |
| 82 | #define SP sESP | |
| 83 | #define PS sEFLAGS | |
| 84 | #define R0 sEDX | |
| 85 | #define R1 sECX | |
| 86 | /* | |
| 87 | * Registers accessible to ptrace(2) syscall for debugger | |
| 88 | */ | |
| 89 | #ifdef IPCREG | |
| 90 | #define NIPCREG 14 | |
| 91 | int ipcreg[NIPCREG] = | |
| 92 | { tES,tDS,tEDI,tESI,tEBP,tEBX,tEDX,tECX,tEAX,tEIP,tCS,tEFLAGS,tESP,tSS }; | |
| 93 | #endif |