4.4BSD/usr/src/old/dbx/ops.tahoe.c
/*
* Copyright (c) 1985 The Regents of the University of California.
* All rights reserved.
*
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)ops.tahoe.c 5.9 (Berkeley) 11/14/91";
#endif /* not lint */
/*
* Machine operators.
*/
#include "defs.h"
#include "ops.h"
#include "pathnames.h"
#ifndef public
typedef unsigned char Opcode;
/*
* Opcode definitions.
*/
/*
* Argument access types
*/
#define ACCA (8<<3) /* address only */
#define ACCR (1<<3) /* read */
#define ACCW (2<<3) /* write */
#define ACCM (3<<3) /* modify */
#define ACCB (4<<3) /* branch displacement */
#define ACCI (5<<3) /* XFC code */
/*
* Argument data types
*/
#define TYPB 0 /* byte */
#define TYPW 1 /* word */
#define TYPL 2 /* long */
#define TYPQ 3 /* quad */
#define TYPF 4 /* float */
#define TYPD 5 /* double */
/*
* Addressing modes.
*/
#define LITSHORT 0x0 /* short literals */
#define LITUPTO31 0x1
#define LITUPTO47 0x2
#define LITUPTO63 0x3
#define INDEX 0x4 /* i[r] */
#define REG 0x5 /* r */
#define REGDEF 0x6 /* (r) */
#define AUTODEC 0x7 /* -(r) */
#define AUTOINC 0x8 /* (r)+ */
#define AUTOINCDEF 0x9 /* *(r)+ */
#define BYTEDISP 0xA /* BD(r) */
#define BYTEDISPDEF 0xB /* *BD(r) */
#define WORDDISP 0xC /* WD(r) */
#define WORDDISPDEF 0xD /* *WD(r) */
#define LONGDISP 0xE /* LD(r) */
#define LONGDISPDEF 0xF /* *LD(r) */
#define is_branch_disp(arg) ((arg & ACCB) != 0)
#define typelen(arg) (arg & 07)
#define regnm(mode) (mode & 0xF)
#define addrmode(mode) (mode >> 4)
/*
* Certain opcodes values are used either in calculating
* the next address a process will go to, or for other
* random reasons -- these are defined here.
*/
#define O_AOBLEQ 0x3f
#define O_AOBLSS 0x2f
#define O_BBC 0x1e
#define O_BBS 0x0e
#define O_BBSSI 0x5f
#define O_BCC 0xf1
#define O_BCS 0xe1
#define O_BEQL 0x31
#define O_BGEQ 0x81
#define O_BGEQU 0xe1
#define O_BGTR 0x41
#define O_BGTRU 0xa1
#define O_BLEQ 0x51
#define O_BLEQU 0xb1
#define O_BLSS 0x91
#define O_BLSSU 0xf1
#define O_BNEQ 0x21
#define O_BPT 0x30
#define O_BRB 0x11
#define O_BRW 0x13
#define O_BTCS 0xce
#define O_BVC 0xc1
#define O_BVS 0xd1
#define O_CALLF 0xfe
#define O_CALLS 0xbf
#define O_CASEL 0xfc
#define O_JMP 0x71
#define O_KCALL 0xcf
#define O_RET 0x40
/*
* Operator information structure.
*/
typedef struct {
char *iname;
char val;
char numargs;
char argtype[6];
} Optab;
#define SYSSIZE 151 /* # of system calls */
#endif
public Optab optab[] = {
#define OP(a,b,c,d,e,f,g,h,i) {a,b,c,d,e,f,g,h,i}
#include "instrs.adb"
0};
/*
* Register names.
*/
public String regname[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10","r11","r12", "fp", "sp", "pc"
};
public String systab[SYSSIZE] = {
"indir", "exit", "fork", "read",
"write", "open", "close", "owait",
"creat", "link", "unlink", "execv",
"chdir", "otime", "mknod", "chmod",
"chown", "obreak", "ostat", "lseek",
"getpid", "mount", "umount", "osetuid",
"getuid", "ostime", "ptrace", "oalarm",
"ofstat", "opause", "outime", "ostty",
"ogtty", "access", "onice", "oftime",
"sync", "kill", "stat", "osetpgrp",
"lstat", "dup", "pipe", "otimes",
"profil", 0, "osetgid", "getgid",
"osig", 0, 0, "acct",
"ophys", "olock", "ioctl", "reboot",
"ompxchan", "symlink", "readlink", "execve",
"umask", "chroot", "fstat", 0,
"getpagesize", "mremap", "vfork", "ovread",
"ovwrite", "sbrk", "sstk", "mmap",
"ovadvise", "munmap", "mprotect", "madvise",
"vhangup", "ovlimit", "mincore", "getgroups",
"setgroups", "getpgrp", "setpgrp", "setitimer",
"wait", "swapon", "getitimer", "gethostname",
"sethostname", "getdtablesize","dup2", "getdopt",
"fcntl", "select", "setdopt", "fsync",
"setpriority", "socket", "connect", "accept",
"getpriority", "send", "recv", "osocketaddr",
"bind", "setsockopt", "listen", "ovtimes",
"sigvec", "sigblock", "sigsetmask", "sigpause",
"sigstack", "recvmsg", "sendmsg", "vtrace",
"gettimeofday", "getrusage", "getsockopt", "resuba",
"readv", "writev", "settimeofday", "fchown",
"fchmod", "recvfrom", "setreuid", "setregid",
"rename", "truncate", "ftruncate", "flock",
0, "sendto", "shutdown", "socketpair",
"mkdir", "rmdir", "utimes", 0,
0, "getpeername", "gethostid", "sethostid",
"getrlimit", "setrlimit", "killpg", 0,
"quota", "qquota", "getsockname",
};