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Annotation of 43BSDReno/pgrm/dbx/ops.tahoe.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1985 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)ops.tahoe.c        5.7 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: /*
        !            25:  * Machine operators.
        !            26:  */
        !            27: 
        !            28: #include "defs.h"
        !            29: #include "ops.h"
        !            30: 
        !            31: #ifndef public
        !            32: typedef unsigned char Opcode;
        !            33: 
        !            34: /*
        !            35:  * Opcode definitions.
        !            36:  */
        !            37: 
        !            38: /*
        !            39:  * Argument access types
        !            40:  */
        !            41: #define ACCA   (8<<3)  /* address only */
        !            42: #define ACCR   (1<<3)  /* read */
        !            43: #define ACCW   (2<<3)  /* write */
        !            44: #define ACCM   (3<<3)  /* modify */
        !            45: #define ACCB   (4<<3)  /* branch displacement */
        !            46: #define ACCI   (5<<3)  /* XFC code */
        !            47: 
        !            48: /*
        !            49:  * Argument data types
        !            50:  */
        !            51: #define TYPB   0       /* byte */
        !            52: #define TYPW   1       /* word */
        !            53: #define TYPL   2       /* long */
        !            54: #define TYPQ   3       /* quad */
        !            55: #define        TYPF    4       /* float */
        !            56: #define        TYPD    5       /* double */
        !            57: 
        !            58: /*
        !            59:  * Addressing modes.
        !            60:  */
        !            61: #define LITSHORT    0x0        /* short literals */
        !            62: #define LITUPTO31   0x1
        !            63: #define LITUPTO47   0x2
        !            64: #define LITUPTO63   0x3
        !            65: #define INDEX       0x4 /* i[r] */
        !            66: #define REG        0x5 /* r */
        !            67: #define REGDEF      0x6 /* (r) */
        !            68: #define AUTODEC     0x7 /* -(r) */
        !            69: #define AUTOINC     0x8 /* (r)+ */
        !            70: #define AUTOINCDEF  0x9 /* *(r)+ */
        !            71: #define BYTEDISP    0xA /* BD(r) */
        !            72: #define BYTEDISPDEF 0xB /* *BD(r) */
        !            73: #define WORDDISP    0xC /* WD(r) */
        !            74: #define WORDDISPDEF 0xD /* *WD(r) */
        !            75: #define LONGDISP    0xE /* LD(r) */
        !            76: #define LONGDISPDEF 0xF /* *LD(r) */
        !            77: 
        !            78: #define is_branch_disp(arg) ((arg & ACCB) != 0)
        !            79: #define typelen(arg)        (arg & 07)
        !            80: #define regnm(mode)        (mode & 0xF)
        !            81: #define addrmode(mode)      (mode >> 4)
        !            82: 
        !            83: /*
        !            84:  * Certain opcodes values are used either in calculating
        !            85:  * the next address a process will go to, or for other
        !            86:  * random reasons -- these are defined here.
        !            87:  */
        !            88: #define        O_AOBLEQ        0x3f
        !            89: #define        O_AOBLSS        0x2f
        !            90: #define        O_BBC           0x1e
        !            91: #define        O_BBS           0x0e
        !            92: #define        O_BBSSI         0x5f
        !            93: #define        O_BCC           0xf1
        !            94: #define        O_BCS           0xe1
        !            95: #define        O_BEQL          0x31
        !            96: #define        O_BGEQ          0x81
        !            97: #define        O_BGEQU         0xe1
        !            98: #define        O_BGTR          0x41
        !            99: #define        O_BGTRU         0xa1
        !           100: #define        O_BLEQ          0x51
        !           101: #define        O_BLEQU         0xb1
        !           102: #define        O_BLSS          0x91
        !           103: #define        O_BLSSU         0xf1
        !           104: #define        O_BNEQ          0x21
        !           105: #define        O_BPT           0x30
        !           106: #define        O_BRB           0x11
        !           107: #define        O_BRW           0x13
        !           108: #define        O_BTCS          0xce
        !           109: #define        O_BVC           0xc1
        !           110: #define        O_BVS           0xd1
        !           111: #define        O_CALLF         0xfe
        !           112: #define        O_CALLS         0xbf
        !           113: #define        O_CASEL         0xfc
        !           114: #define        O_JMP           0x71
        !           115: #define        O_KCALL         0xcf
        !           116: #define        O_RET           0x40
        !           117: 
        !           118: /*
        !           119:  * Operator information structure.
        !           120:  */
        !           121: typedef struct {
        !           122:     char *iname;
        !           123:     char val;
        !           124:     char numargs;
        !           125:     char argtype[6];
        !           126: } Optab;
        !           127: 
        !           128: #define        SYSSIZE 151             /* # of system calls */
        !           129: #endif
        !           130: 
        !           131: #ifndef ADBINSTRS
        !           132: #define ADBINSTRS "../../bin/adb/adb.tahoe/instrs.adb"
        !           133: #endif
        !           134: 
        !           135: public Optab optab[] = {
        !           136: #define OP(a,b,c,d,e,f,g,h,i) {a,b,c,d,e,f,g,h,i}
        !           137: #include ADBINSTRS
        !           138: 0};
        !           139: 
        !           140: /*
        !           141:  * Register names.
        !           142:  */
        !           143: 
        !           144: public String regname[] = {
        !           145:     "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
        !           146:     "r8", "r9", "r10","r11","r12", "fp", "sp", "pc"
        !           147: };
        !           148: 
        !           149: public String systab[SYSSIZE] = {
        !           150:        "indir",        "exit",         "fork",         "read",
        !           151:        "write",        "open",         "close",        "owait",
        !           152:        "creat",        "link",         "unlink",       "execv",
        !           153:        "chdir",        "otime",        "mknod",        "chmod",
        !           154:        "chown",        "obreak",       "ostat",        "lseek",
        !           155:        "getpid",       "mount",        "umount",       "osetuid",
        !           156:        "getuid",       "ostime",       "ptrace",       "oalarm",
        !           157:        "ofstat",       "opause",       "outime",       "ostty",
        !           158:        "ogtty",        "access",       "onice",        "oftime",
        !           159:        "sync",         "kill",         "stat",         "osetpgrp",
        !           160:        "lstat",        "dup",          "pipe",         "otimes",
        !           161:        "profil",       0,              "osetgid",      "getgid",
        !           162:        "osig",         0,              0,              "acct",
        !           163:        "ophys",        "olock",        "ioctl",        "reboot",
        !           164:        "ompxchan",     "symlink",      "readlink",     "execve",
        !           165:        "umask",        "chroot",       "fstat",        0,
        !           166:        "getpagesize",  "mremap",       "vfork",        "ovread",
        !           167:        "ovwrite",      "sbrk",         "sstk",         "mmap",
        !           168:        "ovadvise",     "munmap",       "mprotect",     "madvise",
        !           169:        "vhangup",      "ovlimit",      "mincore",      "getgroups",
        !           170:        "setgroups",    "getpgrp",      "setpgrp",      "setitimer",
        !           171:        "wait",         "swapon",       "getitimer",    "gethostname",
        !           172:        "sethostname",  "getdtablesize","dup2",         "getdopt",
        !           173:        "fcntl",        "select",       "setdopt",      "fsync",
        !           174:        "setpriority",  "socket",       "connect",      "accept",
        !           175:        "getpriority",  "send",         "recv",         "osocketaddr",
        !           176:        "bind",         "setsockopt",   "listen",       "ovtimes",
        !           177:        "sigvec",       "sigblock",     "sigsetmask",   "sigpause",
        !           178:        "sigstack",     "recvmsg",      "sendmsg",      "vtrace",
        !           179:        "gettimeofday", "getrusage",    "getsockopt",   "resuba",
        !           180:        "readv",        "writev",       "settimeofday", "fchown",
        !           181:        "fchmod",       "recvfrom",     "setreuid",     "setregid",
        !           182:        "rename",       "truncate",     "ftruncate",    "flock",
        !           183:        0,              "sendto",       "shutdown",     "socketpair",
        !           184:        "mkdir",        "rmdir",        "utimes",       0,
        !           185:        0,              "getpeername",  "gethostid",    "sethostid",
        !           186:        "getrlimit",    "setrlimit",    "killpg",       0,
        !           187:        "quota",        "qquota",       "getsockname",
        !           188: };

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