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| Commit | Line | Data |
|---|---|---|
| 0f78cceb KB |
1 | /* |
| 2 | * Copyright (c) 1982 Regents of the University of California | |
| 3 | * @(#)instrs.h 4.5 6/9/83 | |
| 4 | */ | |
| 5 | /* | |
| 6 | * Argument data types | |
| 7 | * | |
| 8 | * If you change these definitions, you must also change the tables | |
| 9 | * in assizetab.c | |
| 10 | */ | |
| 11 | #define TYPB 000 /* byte integer */ | |
| 12 | #define TYPW 001 /* word integer */ | |
| 13 | #define TYPL 002 /* long integer */ | |
| 14 | #define TYPQ 003 /* quad integer */ | |
| 15 | #define TYPF 004 /* F float */ | |
| 16 | #define TYPD 005 /* D float */ | |
| 17 | #define TYPNONE 006 /* when nothing */ | |
| 18 | #define TYPLG 3 /* number of bits the above take up */ | |
| 19 | ||
| 20 | #define TYPMASK ((1<<TYPLG)-1) /* the mask (assumes 2's comp arith) */ | |
| 21 | /* | |
| 22 | * Constructors and extractors for argument access kinds and types | |
| 23 | */ | |
| 24 | #define A_CONS(access, type) ((access) | (type)) | |
| 25 | #define A_ACCEXT(consed) ((consed) & (TYPMASK << TYPLG)) | |
| 26 | #define A_TYPEXT(consed) ((consed) & TYPMASK) | |
| 27 | ||
| 28 | /* | |
| 29 | * Argument access types used to test validity of operands to operators | |
| 30 | */ | |
| 31 | #define ACCR (1<<TYPLG) /* read */ | |
| 32 | #define ACCW (2<<TYPLG) /* write */ | |
| 33 | #define ACCB (4<<TYPLG) /* branch displacement */ | |
| 34 | #define ACCA (8<<TYPLG) /* address only */ | |
| 35 | #define ACCM (ACCR | ACCW) /* modify */ | |
| 36 | #define ACCI (ACCB | ACCR) /* XFC code */ | |
| 37 | ||
| 38 | #define ACCESSMASK (ACCA | ACCR | ACCW | ACCB) /* the mask */ | |
| 39 | ||
| 40 | /* | |
| 41 | * Construction of TYPX and ACCX, to make the instrs table | |
| 42 | * easy to use and read. | |
| 43 | */ | |
| 44 | /* | |
| 45 | * For real memory address | |
| 46 | */ | |
| 47 | #define A_AB A_CONS(ACCA, TYPB) | |
| 48 | #define A_AW A_CONS(ACCA, TYPW) | |
| 49 | #define A_AL A_CONS(ACCA, TYPL) | |
| 50 | #define A_AQ A_CONS(ACCA, TYPQ) | |
| 51 | #define A_AF A_CONS(ACCA, TYPF) | |
| 52 | #define A_AD A_CONS(ACCA, TYPD) | |
| 53 | /* | |
| 54 | * For branch displacement | |
| 55 | */ | |
| 56 | #define A_BB A_CONS(ACCB, TYPB) | |
| 57 | #define A_BW A_CONS(ACCB, TYPW) | |
| 58 | /* | |
| 59 | * For modification | |
| 60 | */ | |
| 61 | #define A_MB A_CONS(ACCM, TYPB) | |
| 62 | #define A_MW A_CONS(ACCM, TYPW) | |
| 63 | #define A_ML A_CONS(ACCM, TYPL) | |
| 64 | #define A_MF A_CONS(ACCM, TYPF) | |
| 65 | #define A_MD A_CONS(ACCM, TYPD) | |
| 66 | /* | |
| 67 | * For reading | |
| 68 | */ | |
| 69 | #define A_RB A_CONS(ACCR, TYPB) | |
| 70 | #define A_RW A_CONS(ACCR, TYPW) | |
| 71 | #define A_RL A_CONS(ACCR, TYPL) | |
| 72 | #define A_RQ A_CONS(ACCR, TYPQ) | |
| 73 | #define A_RF A_CONS(ACCR, TYPF) | |
| 74 | #define A_RD A_CONS(ACCR, TYPD) | |
| 75 | /* | |
| 76 | * For writing | |
| 77 | */ | |
| 78 | #define A_WB A_CONS(ACCW, TYPB) | |
| 79 | #define A_WW A_CONS(ACCW, TYPW) | |
| 80 | #define A_WL A_CONS(ACCW, TYPL) | |
| 81 | #define A_WQ A_CONS(ACCW, TYPQ) | |
| 82 | #define A_WF A_CONS(ACCW, TYPF) | |
| 83 | #define A_WD A_CONS(ACCW, TYPD) | |
| 84 | ||
| 85 | #ifndef INSTTAB | |
| 86 | /* | |
| 87 | * Define what the entries in the table look like. | |
| 88 | * This is only used for adb and sdb; not for as. | |
| 89 | */ | |
| 90 | #define INSTTAB | |
| 91 | struct insttab{ | |
| 92 | char *iname; | |
| 93 | u_char opcode; | |
| 94 | char nargs; | |
| 95 | u_char argtype[6]; | |
| 96 | } insttab[]; | |
| 97 | ||
| 98 | #define OP(name,opcode,nargs,a1,a2,a3,a4,a5,a6) {name,opcode,nargs,a1,a2,a3,a4,a5,a6} | |
| 99 | ||
| 100 | #endif INSTTAB | |
| 101 |