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Annotation of Net2/arch/vax/inline/inline.h, revision 1.1.1.1

1.1       root        1: /*-
                      2:  * Copyright (c) 1984, 1986 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)inline.h    7.2 (Berkeley) 5/8/91
                     34:  */
                     35: 
                     36: /*
                     37:  * COMMENTCHAR is the character delimiting comments in the assembler.
                     38:  * LABELCHAR is the character that separates labels from instructions.
                     39:  * ARGSEPCHAR is the character that separates arguments in instructions.
                     40:  */
                     41: #define COMMENTCHAR    '#'
                     42: #define LABELCHAR      ':'
                     43: #define ARGSEPCHAR     ','
                     44: 
                     45: /*
                     46:  * Expansion parameters:
                     47:  *   QUEUESIZE is the number of instructions to be considered for 
                     48:  *     integration of argument pushes and pops
                     49:  *   MAXLINELEN is the longest expected input line
                     50:  *   MAXARGS is the maximum number of arguments in an assembly instruction
                     51:  */
                     52: #define QUEUESIZE      16
                     53: #define MAXLINELEN     1024
                     54: #define MAXARGS                10
                     55: 
                     56: /*
                     57:  * The following global variables are used to manipulate the queue of
                     58:  * recently seen instructions.
                     59:  *     line - The queue of instructions.
                     60:  *     bufhead - Pointer to next availble queue slot. It is not
                     61:  *             considered part of te instruction stream until
                     62:  *             bufhead is advanced.
                     63:  *     buftail - Pointer to last instruction in queue.
                     64:  * Note that bufhead == buftail implies that the queue is empty.
                     65:  */
                     66: int bufhead, buftail;
                     67: char line[QUEUESIZE][MAXLINELEN];
                     68: 
                     69: #define SUCC(qindex) ((qindex) + 1 == QUEUESIZE ? 0 : (qindex) + 1)
                     70: #define PRED(qindex) ((qindex) - 1 < 0 ? QUEUESIZE - 1 : (qindex) - 1)
                     71: 
                     72: /*
                     73:  * Hash table headers should be twice as big as the number of patterns.
                     74:  * They must be a power of two.
                     75:  */
                     76: #define HSHSIZ 128
                     77: 
                     78: /*
                     79:  * These tables specify the substitutions that are to be done.
                     80:  */
                     81: struct pats {
                     82:        int     args;
                     83:        char    *name;
                     84:        char    *replace;
                     85:        struct  pats *next;
                     86:        int     size;
                     87: };
                     88: struct pats *patshdr[HSHSIZ];
                     89: extern struct pats language_ptab[], libc_ptab[], machine_ptab[];
                     90: extern struct pats vax_libc_ptab[], vaxsubset_libc_ptab[];
                     91: extern struct pats vax_ptab[], vaxsubset_ptab[];
                     92: 
                     93: /*
                     94:  * This table defines the set of instructions that demark the
                     95:  * end of a basic block.
                     96:  */
                     97: struct inststoptbl {
                     98:        char    *name;
                     99:        struct  inststoptbl *next;
                    100:        int     size;
                    101: };
                    102: struct inststoptbl *inststoptblhdr[HSHSIZ];
                    103: extern struct inststoptbl inststoptable[];
                    104: 
                    105: /*
                    106:  * Miscellaneous functions.
                    107:  */
                    108: char *newline(), *copyline(), *doreplaceon();

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