4.3BSD - /usr/src/usr.bin/f77/include/machdefs.h

   1: /*
   2:  * machdefs.h
   3:  *
   4:  * Machine definitions for f77 compiler, pass 1.  VAX version.
   5:  *
   6:  * University of Utah CS Dept modification history:
   7:  *
   8:  * $Header: machdefs.h,v 2.2 85/01/14 03:41:13 donn Exp $
   9:  * $Log:	machdefs.h,v $
  10:  * Revision 2.2  85/01/14  03:41:13  donn
  11:  * Added changes to make the storage used for constants that are passed
  12:  * as arguments to functions come out read-only.
  13:  *
  14:  * Revision 2.1  84/07/19  12:55:11  donn
  15:  * Changed comment header to UofU.
  16:  *
  17:  * Revision 1.3  84/07/02  12:04:42  donn
  18:  * I goofed when I added the original changes for SZFLOAT and SZDOUBLE.
  19:  * Thanks to Raleigh Romine for pointing this out (sigh).
  20:  *
  21:  * Revision 1.2  84/02/28  20:46:16  donn
  22:  * Added definitions for SZFLOAT and SZDOUBLE, needed by Berkeley changes to
  23:  * produce shorter offsets to variables in machine code.
  24:  *
  25:  */
  26: 
  27: #ifndef TARGET
  28: TARGET NOT DEFINED !!!
  29: #endif
  30: #if TARGET!=VAX
  31: Target= TARGET OUT OF RANGE!!
  32: #endif
  33: 
  34: #ifndef FAMILY
  35: FAMILY NOT DEFINED!!!
  36: #endif
  37: #if FAMILY!=PCC && FAMILY!=DMR
  38: Family = FAMILY OUT OF RANGE
  39: #endif
  40: 
  41: #define SDB 1
  42: 
  43: #define TYLENG      TYLONG
  44: 
  45: #define TYINT       TYLONG
  46: #define SZADDR      4
  47: #define SZSHORT     2
  48: #define SZINT       4
  49: #define SZFLOAT     4
  50: #define SZDOUBLE    8
  51: 
  52: #define SZLONG      4
  53: #define SZLENG      SZLONG
  54: 
  55: #define ALIADDR SZADDR
  56: #define ALISHORT SZSHORT
  57: #define ALILONG 4
  58: #define ALIDOUBLE 4
  59: #define ALIINT  ALILONG
  60: #define ALILENG ALILONG
  61: 
  62: #define AUTOREG 13
  63: #define ARGREG 12
  64: #define CARGREG 12
  65: #define ARGOFFSET 4
  66: #define SAVESPACE 40
  67: 
  68: 
  69: #define FUDGEOFFSET 1
  70: #define BITSPERCHAR 8
  71: #define XL 16
  72: 
  73: #define USETEXT ".text\t0"
  74: #define USECONST    ".text\t1"
  75: #define USEBSS  ".data\t0"
  76: #define USEINIT ".data\t1"
  77: 
  78: #define BLANKCOMMON "_BLNK_"
  79: 
  80: #define LABELFMT "%s:\n"
  81: 
  82: #define MAXREGVAR 5
  83: #define TYIREG TYLONG
  84: #define MSKIREG  (M(TYSHORT)|M(TYLONG))
  85: 
  86: #define MAXINT  2147483647
  87: #define MININT  ((-2147483647) - 1)
  88: 
  89: #define MAXBYTE 255
  90: #define BYTESIZE    8
  91: 
  92: #define SMALLVAR(x) ((x) < 512)

Defined macros