4.3BSD - /usr/src/ucb/pascal/src/tmps.h

   1: /*
   2:  * Copyright (c) 1980 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:  *	@(#)tmps.h	5.1 (Berkeley) 6/5/85
   7:  */
   8: 
   9: /*
  10:  * The following structure is used
  11:  * to keep track of the amount of variable
  12:  * storage required by each block.
  13:  * "Max" is the high water mark, "off"
  14:  * the current need. Temporaries for "for"
  15:  * loops and "with" statements are allocated
  16:  * in the local variable area and these
  17:  * numbers are thereby changed if necessary.
  18:  *
  19:  * for the compiler,
  20:  *	low_water is the lowest number register allocated of its type
  21:  *	next_avail is the next available register of its type
  22:  */
  23: 
  24: #ifdef PC
  25: #ifdef vax
  26:     /*
  27:      *	the number of register types.
  28:      *	the details of how many of each kind of register there is
  29:      *	(and what they are for) is known in tmps.c
  30:      */
  31: #define NUMREGTYPES 1
  32: #define REG_GENERAL 0
  33: #endif vax
  34: 
  35: #ifdef mc68000
  36:     /*
  37:      *	the number of register types.
  38:      *	the details of how many of each kind of register there is
  39:      *	(and what they are for) is known in tmps.c
  40:      */
  41: #define NUMREGTYPES 2
  42: #define REG_DATA    0
  43: #define REG_ADDR    1
  44: #endif mc68000
  45: #endif PC
  46: 
  47: struct om {
  48:     long    om_max;
  49: #ifdef PC
  50:     long    low_water[NUMREGTYPES];
  51: #endif PC
  52:     struct tmps {
  53:         long    om_off;
  54: #ifdef PC
  55:         long    next_avail[NUMREGTYPES];
  56: #endif PC
  57:     }   curtmps;
  58: } sizes[DSPLYSZ];
  59: 
  60:     /*
  61:      *	an enumeration for whether a temporary can be a register.  cf. tmps.c
  62:      */
  63: #define NOREG 0
  64: #define REGOK 1

Defined variables

Defined struct's

Defined macros

Usage of this include