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Annotation of cci/usr/src/usr.bin/f77/include/machdefs.h, revision 1.1.1.1

1.1       root        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 1.3 86/02/18 10:55:30 rcs Exp $
                      9:  * $Log:       machdefs.h,v $
                     10:  * Revision 1.3  86/02/18  10:55:30  rcs
                     11:  * add 4.3 f77 references. C. Keating.
                     12:  * 
                     13:  * Revision 2.2  85/01/14  03:41:13  donn
                     14:  * Added changes to make the storage used for constants that are passed
                     15:  * as arguments to functions come out read-only.
                     16:  * 
                     17:  * Revision 2.1  84/07/19  12:55:11  donn
                     18:  * Changed comment header to UofU.
                     19:  * 
                     20:  * Revision 1.3  84/07/02  12:04:42  donn
                     21:  * I goofed when I added the original changes for SZFLOAT and SZDOUBLE.
                     22:  * Thanks to Raleigh Romine for pointing this out (sigh).
                     23:  * 
                     24:  * Revision 1.2  84/02/28  20:46:16  donn
                     25:  * Added definitions for SZFLOAT and SZDOUBLE, needed by Berkeley changes to
                     26:  * produce shorter offsets to variables in machine code.
                     27:  * 
                     28:  */
                     29: 
                     30: #ifndef TARGET
                     31: TARGET NOT DEFINED !!!
                     32: #endif
                     33: #if TARGET!= TAHOE
                     34: Target= TARGET OUT OF RANGE!!
                     35: #endif
                     36: 
                     37: #ifndef FAMILY
                     38: FAMILY NOT DEFINED!!!
                     39: #endif
                     40: #if FAMILY!=PCC && FAMILY!=DMR
                     41: Family = FAMILY OUT OF RANGE
                     42: #endif
                     43: 
                     44: #define SDB 1
                     45: 
                     46: #define TYLENG         TYLONG
                     47: 
                     48: #define TYINT          TYLONG
                     49: #define SZADDR         4
                     50: #define SZSHORT                2
                     51: #define SZINT          4
                     52: #define SZFLOAT                4
                     53: #define SZDOUBLE       8
                     54: 
                     55: #define SZLONG         4
                     56: #define SZLENG         SZLONG
                     57: 
                     58: #define ALIADDR SZADDR
                     59: #define ALISHORT SZSHORT
                     60: #define ALILONG 4
                     61: #define ALIDOUBLE 4
                     62: #define ALIINT ALILONG
                     63: #define ALILENG        ALILONG
                     64: 
                     65: #define AUTOREG 13
                     66: #define ARGREG 12
                     67: #define LVARREG 11
                     68: #define ARGOFFSET 4
                     69: 
                     70: 
                     71: #define FUDGEOFFSET 1
                     72: #define BITSPERCHAR 8
                     73: #define XL 16
                     74: 
                     75: #define USETEXT                ".text"
                     76: #define USECONST       ".data\t0"
                     77: #define USEBSS         ".data\t1"
                     78: #define USEINIT                ".data\t2"
                     79: 
                     80: #define BLANKCOMMON "_BLNK_"
                     81: 
                     82: #define LABELFMT "%s:\n"
                     83: 
                     84: #define MAXREGVAR 5
                     85: #define TYIREG TYLONG
                     86: #define MSKIREG  (M(TYSHORT)|M(TYLONG))
                     87: 
                     88: #define MAXINT 0x7fffffff
                     89: #define MININT  0x80000000
                     90: 
                     91: #define MAXBYTE        0xff
                     92: #define BYTESIZE       8
                     93: 
                     94: #define SMALLVAR(x) ((x) < 512)

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