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1.1 root 1: /*ident "@(#)ctrans:src/size.h 1.2" */
2: /*************************************************************************
3:
4: C++ source for cfront, the C++ compiler front-end
5: written in the computer science research center of Bell Labs
6:
7: Copyright (c) 1984 AT&T, Inc. All rigths Reserved
8: THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T, INC.
9:
10: size.h:
11: sizes and alignments used to calculate sizeofs
12:
13: table and butffer sizes
14:
15: ***************************************************************************/
16: #ifndef GRAM
17: extern BI_IN_WORD;
18: extern BI_IN_BYTE;
19: /* byte sizes */
20: extern SZ_CHAR;
21: extern AL_CHAR;
22:
23: extern SZ_SHORT;
24: extern AL_SHORT;
25:
26: extern SZ_INT;
27: extern AL_INT;
28:
29: extern SZ_LONG;
30: extern AL_LONG;
31:
32: extern SZ_FLOAT;
33: extern AL_FLOAT;
34:
35: extern SZ_DOUBLE;
36: extern AL_DOUBLE;
37:
38: extern SZ_LDOUBLE;
39: extern AL_LDOUBLE;
40:
41: extern SZ_STRUCT; /* minimum struct size */
42: extern AL_STRUCT;
43:
44: //extern SZ_FRAME;
45: //extern AL_FRAME;
46:
47: extern SZ_WORD;
48:
49: extern SZ_WPTR;
50: extern AL_WPTR;
51:
52: extern SZ_BPTR;
53: extern AL_BPTR;
54:
55: //extern SZ_TOP;
56: //extern SZ_BOTTOM;
57:
58: extern char* LARGEST_INT;
59: extern int F_SENSITIVE; // is field alignment sensitive to the type of the field?
60: extern int F_OPTIMIZED; // can the compiler fit a small int field into a char?
61: #endif
62: // default sizes:
63: // Note: #if doesn't work on all systems
64: #ifdef u3b
65: #define Abbb
66: #endif
67: #ifdef u3b2
68: #define Abbb
69: #endif
70: #ifdef u3b5
71: #define Abbb
72: #endif
73: #ifdef u3b15
74: #define Abbb
75: #endif
76: #ifdef pyr
77: #define Abbb
78: #endif
79:
80:
81: #ifdef alliant
82: #define Am68
83: #endif
84: #ifdef apollo
85: #define Am68
86: #endif
87: #if defined(sun2) || defined(mc68010)
88: #define Am68
89: #endif
90: #if defined(sun3) || defined(mc68020)
91: #define Am68
92: #endif
93: #if defined(mc68k) || defined(hp9000s200) || defined(hp9000s300)
94: #define Am68
95: #endif
96:
97: #ifdef iAPX286
98: #ifdef LARGE
99: #define Ai286l
100: #endif
101: #endif
102:
103: #ifdef Abbb
104: /* AT&T 3Bs */
105: #define DBI_IN_WORD 32
106: #define DBI_IN_BYTE 8
107: #define DSZ_CHAR 1
108: #define DAL_CHAR 1
109: #define DSZ_SHORT 2
110: #define DAL_SHORT 2
111: #define DSZ_INT 4
112: #define DAL_INT 4
113: #define DSZ_LONG 4
114: #define DAL_LONG 4
115: #define DSZ_FLOAT 4
116: #define DAL_FLOAT 4
117: #define DSZ_DOUBLE 8
118: #define DAL_DOUBLE 4
119: #define DSZ_LDOUBLE 8
120: #define DAL_LDOUBLE 4
121: #define DSZ_STRUCT 4
122: #define DAL_STRUCT 4
123: //#define DSZ_FRAME 4
124: //#define DAL_FRAME 4
125: #define DSZ_WORD 4
126: #define DSZ_WPTR 4
127: #define DAL_WPTR 4
128: #define DSZ_BPTR 4
129: #define DAL_BPTR 4
130: //#define DSZ_TOP 0
131: //#define DSZ_BOTTOM 0
132: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
133: #define DF_SENSITIVE 0
134: #define DF_OPTIMIZED 1
135: #else
136: #ifdef Am68
137: /* most M68K boxes */
138: #if defined(hp9000s200) || defined(hp9000s300)
139: #define DBI_IN_WORD 32
140: #else
141: #define DBI_IN_WORD 16
142: #endif
143: #define DBI_IN_BYTE 8
144: #define DSZ_CHAR 1
145: #define DAL_CHAR 1
146: #define DSZ_SHORT 2
147: #define DAL_SHORT 2
148: #define DSZ_INT 4
149: #define DAL_INT 2
150: #define DSZ_LONG 4
151: #define DAL_LONG 2
152: #define DSZ_FLOAT 4
153: #define DAL_FLOAT 2
154: #define DSZ_DOUBLE 8
155: #define DAL_DOUBLE 2
156: #define DSZ_LDOUBLE 8
157: #define DAL_LDOUBLE 2
158: #define DSZ_STRUCT 2
159: #define DAL_STRUCT 2
160: //#define DSZ_FRAME 4
161: //#define DAL_FRAME 4
162: #define DSZ_WORD 2
163: #define DSZ_WPTR 4
164: #define DAL_WPTR 2
165: #define DSZ_BPTR 4
166: #define DAL_BPTR 2
167: //#define DSZ_TOP 0
168: //#define DSZ_BOTTOM 0
169: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
170: #define DF_SENSITIVE 0
171: #define DF_OPTIMIZED 1
172: #else
173: #ifdef Ai286l
174: /* Intel 80286 large model */
175: #define DBI_IN_WORD 16
176: #define DBI_IN_BYTE 8
177: #define DSZ_CHAR 1
178: #define DAL_CHAR 1
179: #define DSZ_SHORT 2
180: #define DAL_SHORT 2
181: #define DSZ_INT 2
182: #define DAL_INT 2
183: #define DSZ_LONG 4
184: #define DAL_LONG 2
185: #define DSZ_FLOAT 4
186: #define DAL_FLOAT 2
187: #define DSZ_DOUBLE 8
188: #define DAL_DOUBLE 2
189: #define DSZ_LDOUBLE 8
190: #define DAL_LDOUBLE 2
191: #define DSZ_STRUCT 2
192: #define DAL_STRUCT 2
193: //#define DSZ_FRAME 4
194: //#define DAL_FRAME 4
195: #define DSZ_WORD 2
196: #define DSZ_WPTR 4
197: #define DAL_WPTR 2
198: #define DSZ_BPTR 4
199: #define DAL_BPTR 2
200: //#define DSZ_TOP 0
201: //#define DSZ_BOTTOM 0
202: #define DLARGEST_INT "32767" /* 2**15 - 1 */
203: #define DF_SENSITIVE 0
204: #define DF_OPTIMIZED 1
205: #else
206: #if defined(uts) || defined(hp9000s800) || defined(sun4) || defined(sparc)
207: /* Amdahl running UTS, HP RISC */
208: #define DBI_IN_WORD 32
209: #define DBI_IN_BYTE 8
210: #define DSZ_CHAR 1
211: #define DAL_CHAR 1
212: #define DSZ_SHORT 2
213: #define DAL_SHORT 2
214: #define DSZ_INT 4
215: #define DAL_INT 4
216: #define DSZ_LONG 4
217: #define DAL_LONG 4
218: #define DSZ_FLOAT 4
219: #define DAL_FLOAT 4
220: #define DSZ_DOUBLE 8
221: #define DAL_DOUBLE 8
222: #define DSZ_LDOUBLE 8
223: #define DAL_LDOUBLE 8
224: #define DSZ_STRUCT 1
225: #define DAL_STRUCT 1
226: #define DSZ_WORD 4
227: #define DSZ_WPTR 4
228: #define DAL_WPTR 4
229: #define DSZ_BPTR 4
230: #define DAL_BPTR 4
231: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
232: #if defined(uts)
233: #define DF_SENSITIVE 1
234: #else
235: #define DF_SENSITIVE 0
236: #endif
237: #define DF_OPTIMIZED 1
238: #else
239: #ifdef hpux
240: /* hp */
241: #define DBI_IN_WORD 32
242: #define DBI_IN_BYTE 8
243: #define DSZ_CHAR 1
244: #define DAL_CHAR 1
245: #define DSZ_SHORT 2
246: #define DAL_SHORT 2
247: #define DSZ_INT 4
248: #define DAL_INT 4
249: #define DSZ_LONG 4
250: #define DAL_LONG 4
251: #define DSZ_FLOAT 4
252: #define DAL_FLOAT 4
253: #define DSZ_DOUBLE 8
254: #define DAL_DOUBLE 8
255: #define DSZ_LDOUBLE 8
256: #define DAL_LDOUBLE 8
257: #define DSZ_STRUCT 1
258: #define DAL_STRUCT 1
259: #define DSZ_WORD 4
260: #define DSZ_WPTR 4
261: #define DAL_WPTR 4
262: #define DSZ_BPTR 4
263: #define DAL_BPTR 4
264: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
265: #define DF_SENSITIVE 1
266: #define DF_OPTIMIZED 1
267: #else
268: #if defined(vax) || defined(ibm032) || defined(i386)
269: /* VAX, IBM 32, Intel 386 */
270: #define DBI_IN_WORD 32
271: #define DBI_IN_BYTE 8
272: #define DSZ_CHAR 1
273: #define DAL_CHAR 1
274: #define DSZ_SHORT 2
275: #define DAL_SHORT 2
276: #define DSZ_INT 4
277: #define DAL_INT 4
278: #define DSZ_LONG 4
279: #define DAL_LONG 4
280: #define DSZ_FLOAT 4
281: #define DAL_FLOAT 4
282: #define DSZ_DOUBLE 8
283: #define DAL_DOUBLE 4
284: #define DSZ_LDOUBLE 8
285: #define DAL_LDOUBLE 4
286: #define DSZ_STRUCT 1
287: #define DAL_STRUCT 1
288: //#define DSZ_FRAME 4
289: //#define DAL_FRAME 4
290: #define DSZ_WORD 4
291: #define DSZ_WPTR 4
292: #define DAL_WPTR 4
293: #define DSZ_BPTR 4
294: #define DAL_BPTR 4
295: //#define DSZ_TOP 0
296: //#define DSZ_BOTTOM 0
297: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
298: #define DF_SENSITIVE 0
299: #define DF_OPTIMIZED 1
300: #else
301: #ifdef mc300
302: #define DBI_IN_WORD 32
303: #define DBI_IN_BYTE 8
304: #define DSZ_CHAR 1
305: #define DAL_CHAR 1
306: #define DSZ_SHORT 2
307: #define DAL_SHORT 2
308: #define DSZ_INT 4
309: #define DAL_INT 4
310: #define DSZ_LONG 4
311: #define DAL_LONG 4
312: #define DSZ_FLOAT 4
313: #define DAL_FLOAT 4
314: #define DSZ_DOUBLE 8
315: #define DAL_DOUBLE 4
316: #define DSZ_LDOUBLE 8
317: #define DAL_LDOUBLE 4
318: #define DSZ_STRUCT 2
319: #define DAL_STRUCT 2
320: //#define DSZ_FRAME 4
321: //#define DAL_FRAME 4
322: #define DSZ_WORD 4
323: #define DSZ_WPTR 4
324: #define DAL_WPTR 4
325: #define DSZ_BPTR 4
326: #define DAL_BPTR 4
327: //#define DSZ_TOP 0
328: //#define DSZ_BOTTOM 0
329: #define DLARGEST_INT "2147483647" /* 2**31 - 1 */
330: #define DF_SENSITIVE 0
331: #define DF_OPTIMIZED 1
332: #else
333: #ifdef mips
334: #define DBI_IN_BYTE 8
335: #define DBI_IN_WORD 32
336: #define DSZ_WORD 4
337: #define DSZ_CHAR 1
338: #define DAL_CHAR 1
339: #define DSZ_SHORT 2
340: #define DAL_SHORT 2
341: #define DSZ_INT 4
342: #define DAL_INT 4
343: #define DLARGEST_INT "2147483647"
344: #define DSZ_LONG 4
345: #define DAL_LONG 4
346: #define DSZ_FLOAT 4
347: #define DAL_FLOAT 4
348: #define DSZ_DOUBLE 8
349: #define DAL_DOUBLE 8
350: #define DSZ_LDOUBLE 8
351: #define DAL_LDOUBLE 8
352: #define DSZ_BPTR 4
353: #define DAL_BPTR 4
354: #define DSZ_WPTR 4
355: #define DAL_WPTR 4
356: #define DSZ_STRUCT 1
357: #define DAL_STRUCT 1
358: #define DF_SENSITIVE 0
359: #define DF_OPTIMIZED 1
360: #else
361: /* defaults: 0 => error */
362: #define DBI_IN_WORD 0
363: #define DBI_IN_BYTE 0
364: #define DSZ_CHAR 1
365: #define DAL_CHAR 1
366: #define DSZ_SHORT 0
367: #define DAL_SHORT 0
368: #define DSZ_INT 0
369: #define DAL_INT 0
370: #define DSZ_LONG 0
371: #define DAL_LONG 0
372: #define DSZ_FLOAT 0
373: #define DAL_FLOAT 0
374: #define DSZ_DOUBLE 0
375: #define DAL_DOUBLE 0
376: #define DSZ_LDOUBLE 0
377: #define DAL_LDOUBLE 0
378: #define DSZ_STRUCT 0
379: #define DAL_STRUCT 0
380: #define DSZ_WORD 0
381: #define DSZ_WPTR 0
382: #define DAL_WPTR 0
383: #define DSZ_BPTR 0
384: #define DAL_BPTR 0
385: #define DLARGEST_INT "0"
386: #define DF_SENSITIVE 0
387: #define DF_OPTIMIZED 0
388: #endif
389: #endif
390: #endif
391: #endif
392: #endif
393: #endif
394: #endif
395: #endif
396:
397: #define KTBLSIZE 123 /* initial keyword table size */
398: #define GTBLSIZE 257 /* initial global name table size */
399: #define CTBLSIZE 12 /* initial class table size */
400: #define TBLSIZE 20 /* initial block table size */
401: #define BLMAX 50 /* max block nesting */
402: #define MAXFILE 127 /* max include file nesting */
403: #define MAXERR 13 /* maximum number of errors before terminating */
404:
405: #ifndef GRAM
406: const CHUNK = 8*1024;
407: void* chunk(int);
408: #endif
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