projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 7c27088c KB |
1 | /*- |
| 2 | * Copyright (c) 1986 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Computer Consoles Inc. | |
| 7 | * | |
| c0567266 KB |
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. | |
| ad787160 C |
35 | * |
| 36 | * @(#)Aregister.c 7.1 (Berkeley) 12/6/90 | |
| 7c27088c | 37 | */ |
| 344ce65a | 38 | |
| 6499767c | 39 | #include "align.h" |
| 344ce65a SL |
40 | |
| 41 | /* | |
| 42 | * Return the specified register from the big structure. | |
| 43 | */ | |
| 44 | ||
| 45 | long | |
| 46 | Register (infop, number) | |
| 47 | process_info *infop; | |
| 48 | long number; | |
| 49 | { | |
| 50 | ||
| 51 | switch (number) { | |
| 52 | case 0: return (r0); | |
| 53 | case 1: return (r1); | |
| 54 | case 2: return (r2); | |
| 55 | case 3: return (r3); | |
| 56 | case 4: return (r4); | |
| 57 | case 5: return (r5); | |
| 58 | case 6: return (r6); | |
| 59 | case 7: return (r7); | |
| 60 | case 8: return (r8); | |
| 61 | case 9: return (r9); | |
| 62 | case 10: return (r10); | |
| 63 | case 11: return (r11); | |
| 64 | case 12: return (r12); | |
| 65 | case 13: return (fp); | |
| 66 | case 14: return (sp); | |
| 67 | case 15: return (pc); | |
| 68 | } | |
| 69 | } | |
| 70 | ||
| 71 | ||
| 72 | /* | |
| 73 | * Replace a given register with the given value. | |
| 74 | */ | |
| 75 | Replace (infop,number, newvalue) | |
| 76 | process_info *infop; | |
| 77 | long number; | |
| 78 | long newvalue; | |
| 79 | { | |
| 80 | ||
| 81 | switch (number) { | |
| 82 | case 0: r0 = newvalue; return; | |
| 83 | case 1: r1 = newvalue; return; | |
| 84 | case 2: r2 = newvalue; return; | |
| 85 | case 3: r3 = newvalue; return; | |
| 86 | case 4: r4 = newvalue; return; | |
| 87 | case 5: r5 = newvalue; return; | |
| 88 | case 6: r6 = newvalue; return; | |
| 89 | case 7: r7 = newvalue; return; | |
| 90 | case 8: r8 = newvalue; return; | |
| 91 | case 9: r9 = newvalue; return; | |
| 92 | case 10: r10 = newvalue; return; | |
| 93 | case 11: r11 = newvalue; return; | |
| 94 | case 12: r12 = newvalue; return; | |
| 95 | case 13: fp = newvalue; return; | |
| 96 | case 14: sp = newvalue & ~3; return; | |
| 97 | case 15: pc = newvalue; return; | |
| 98 | } | |
| 99 | } |