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Annotation of 43BSDReno/sys/vax/inline/inline.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1984, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)inline.h    7.1 (Berkeley) 6/5/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * COMMENTCHAR is the character delimiting comments in the assembler.
        !            11:  * LABELCHAR is the character that separates labels from instructions.
        !            12:  * ARGSEPCHAR is the character that separates arguments in instructions.
        !            13:  */
        !            14: #define COMMENTCHAR    '#'
        !            15: #define LABELCHAR      ':'
        !            16: #define ARGSEPCHAR     ','
        !            17: 
        !            18: /*
        !            19:  * Expansion parameters:
        !            20:  *   QUEUESIZE is the number of instructions to be considered for 
        !            21:  *     integration of argument pushes and pops
        !            22:  *   MAXLINELEN is the longest expected input line
        !            23:  *   MAXARGS is the maximum number of arguments in an assembly instruction
        !            24:  */
        !            25: #define QUEUESIZE      16
        !            26: #define MAXLINELEN     1024
        !            27: #define MAXARGS                10
        !            28: 
        !            29: /*
        !            30:  * The following global variables are used to manipulate the queue of
        !            31:  * recently seen instructions.
        !            32:  *     line - The queue of instructions.
        !            33:  *     bufhead - Pointer to next availble queue slot. It is not
        !            34:  *             considered part of te instruction stream until
        !            35:  *             bufhead is advanced.
        !            36:  *     buftail - Pointer to last instruction in queue.
        !            37:  * Note that bufhead == buftail implies that the queue is empty.
        !            38:  */
        !            39: int bufhead, buftail;
        !            40: char line[QUEUESIZE][MAXLINELEN];
        !            41: 
        !            42: #define SUCC(qindex) ((qindex) + 1 == QUEUESIZE ? 0 : (qindex) + 1)
        !            43: #define PRED(qindex) ((qindex) - 1 < 0 ? QUEUESIZE - 1 : (qindex) - 1)
        !            44: 
        !            45: /*
        !            46:  * Hash table headers should be twice as big as the number of patterns.
        !            47:  * They must be a power of two.
        !            48:  */
        !            49: #define HSHSIZ 128
        !            50: 
        !            51: /*
        !            52:  * These tables specify the substitutions that are to be done.
        !            53:  */
        !            54: struct pats {
        !            55:        int     args;
        !            56:        char    *name;
        !            57:        char    *replace;
        !            58:        struct  pats *next;
        !            59:        int     size;
        !            60: };
        !            61: struct pats *patshdr[HSHSIZ];
        !            62: extern struct pats language_ptab[], libc_ptab[], machine_ptab[];
        !            63: extern struct pats vax_libc_ptab[], vaxsubset_libc_ptab[];
        !            64: extern struct pats vax_ptab[], vaxsubset_ptab[];
        !            65: 
        !            66: /*
        !            67:  * This table defines the set of instructions that demark the
        !            68:  * end of a basic block.
        !            69:  */
        !            70: struct inststoptbl {
        !            71:        char    *name;
        !            72:        struct  inststoptbl *next;
        !            73:        int     size;
        !            74: };
        !            75: struct inststoptbl *inststoptblhdr[HSHSIZ];
        !            76: extern struct inststoptbl inststoptable[];
        !            77: 
        !            78: /*
        !            79:  * Miscellaneous functions.
        !            80:  */
        !            81: char *newline(), *copyline(), *doreplaceon();

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