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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [binutils/] [sysinfo.y] - Blame information for rev 221

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1 38 julius
/* Copyright 2001, 2003, 2005, 2007 Free Software Foundation, Inc.
2
   Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
3
 
4
   This file is part of GNU binutils.
5
 
6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 3 of the License, or
9
   (at your option) any later version.
10
 
11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
15
 
16
   You should have received a copy of the GNU General Public License
17
   along with this program; if not, write to the Free Software
18
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19
   MA 02110-1301, USA.  */
20
 
21
%{
22
#include 
23
#include 
24
 
25
static char writecode;
26
static char *it;
27
static int code;
28
static char * repeat;
29
static char *oldrepeat;
30
static char *name;
31
static int rdepth;
32
static char *names[] = {" ","[n]","[n][m]"};
33
static char *pnames[]= {"","*","**"};
34
 
35
static int yyerror (char *s);
36
extern int yylex (void);
37
%}
38
 
39
 
40
%union {
41
 int i;
42
 char *s;
43
}
44
%token COND
45
%token REPEAT
46
%token '(' ')'
47
%token  TYPE
48
%token  NAME
49
%token  NUMBER UNIT
50
%type  attr_size
51
%type  attr_desc attr_id attr_type
52
%%
53
 
54
top:  {
55
  switch (writecode)
56
    {
57
    case 'i':
58
      printf("#ifdef SYSROFF_SWAP_IN\n");
59
      break;
60
    case 'p':
61
      printf("#ifdef SYSROFF_p\n");
62
      break;
63
    case 'd':
64
      break;
65
    case 'g':
66
      printf("#ifdef SYSROFF_SWAP_OUT\n");
67
      break;
68
    case 'c':
69
      printf("#ifdef SYSROFF_PRINT\n");
70
      printf("#include \n");
71
      printf("#include \n");
72
      printf("#include \n");
73
      break;
74
    }
75
 }
76
it_list {
77
  switch (writecode) {
78
  case 'i':
79
  case 'p':
80
  case 'g':
81
  case 'c':
82
    printf("#endif\n");
83
    break;
84
  case 'd':
85
    break;
86
  }
87
}
88
 
89
  ;
90
 
91
 
92
it_list: it it_list
93
  |
94
  ;
95
 
96
it:
97
        '(' NAME NUMBER
98
      {
99
        it = $2; code = $3;
100
        switch (writecode)
101
          {
102
          case 'd':
103
            printf("\n\n\n#define IT_%s_CODE 0x%x\n", it,code);
104
            printf("struct IT_%s;\n", it);
105
            printf("extern void sysroff_swap_%s_in PARAMS ((struct IT_%s *));\n",
106
                   $2, it);
107
            printf("extern void sysroff_swap_%s_out PARAMS ((FILE *, struct IT_%s *));\n",
108
                   $2, it);
109
            printf("extern void sysroff_print_%s_out PARAMS ((struct IT_%s *));\n",
110
                   $2, it);
111
            printf("struct IT_%s { \n", it);
112
            break;
113
          case 'i':
114
            printf("void sysroff_swap_%s_in(ptr)\n",$2);
115
            printf("struct IT_%s *ptr;\n", it);
116
            printf("{\n");
117
            printf("unsigned char raw[255];\n");
118
            printf("\tint idx = 0 ;\n");
119
            printf("\tint size;\n");
120
            printf("memset(raw,0,255);\n");
121
            printf("memset(ptr,0,sizeof(*ptr));\n");
122
            printf("size = fillup(raw);\n");
123
            break;
124
          case 'g':
125
            printf("void sysroff_swap_%s_out(file,ptr)\n",$2);
126
            printf("FILE * file;\n");
127
            printf("struct IT_%s *ptr;\n", it);
128
            printf("{\n");
129
            printf("\tunsigned char raw[255];\n");
130
            printf("\tint idx = 16 ;\n");
131
            printf("\tmemset (raw, 0, 255);\n");
132
            printf("\tcode = IT_%s_CODE;\n", it);
133
            break;
134
          case 'o':
135
            printf("void sysroff_swap_%s_out(abfd,ptr)\n",$2);
136
            printf("bfd * abfd;\n");
137
            printf("struct IT_%s *ptr;\n",it);
138
            printf("{\n");
139
            printf("int idx = 0 ;\n");
140
            break;
141
          case 'c':
142
            printf("void sysroff_print_%s_out(ptr)\n",$2);
143
            printf("struct IT_%s *ptr;\n", it);
144
            printf("{\n");
145
            printf("itheader(\"%s\", IT_%s_CODE);\n",$2,$2);
146
            break;
147
 
148
          case 't':
149
            break;
150
          }
151
 
152
      }
153
        it_field_list
154
')'
155
{
156
  switch (writecode) {
157
  case 'd':
158
    printf("};\n");
159
    break;
160
  case 'g':
161
    printf("\tchecksum(file,raw, idx, IT_%s_CODE);\n", it);
162
 
163
  case 'i':
164
 
165
  case 'o':
166
  case 'c':
167
    printf("}\n");
168
  }
169
}
170
;
171
 
172
 
173
 
174
it_field_list:
175
                it_field it_field_list
176
        |       cond_it_field it_field_list
177
        |       repeat_it_field it_field_list
178
        |
179
        ;
180
 
181
repeat_it_field: '(' REPEAT NAME
182
        {
183
          rdepth++;
184
          switch (writecode)
185
            {
186
            case 'c':
187
              if (rdepth==1)
188
              printf("\tprintf(\"repeat %%d\\n\", %s);\n",$3);
189
              if (rdepth==2)
190
              printf("\tprintf(\"repeat %%d\\n\", %s[n]);\n",$3);
191
            case 'i':
192
            case 'g':
193
            case 'o':
194
 
195
              if (rdepth==1)
196
                {
197
              printf("\t{ int n; for (n = 0; n < %s; n++) {\n",    $3);
198
            }
199
              if (rdepth == 2) {
200
              printf("\t{ int m; for (m = 0; m < %s[n]; m++) {\n",    $3);
201
            }
202
 
203
              break;
204
            }
205
 
206
          oldrepeat = repeat;
207
         repeat = $3;
208
        }
209
 
210
         it_field_list ')'
211
 
212
        {
213
          repeat = oldrepeat;
214
          oldrepeat =0;
215
          rdepth--;
216
          switch (writecode)
217
            {
218
            case 'i':
219
            case 'g':
220
            case 'o':
221
            case 'c':
222
          printf("\t}}\n");
223
        }
224
        }
225
       ;
226
 
227
 
228
cond_it_field: '(' COND NAME
229
        {
230
          switch (writecode)
231
            {
232
            case 'i':
233
            case 'g':
234
            case 'o':
235
            case 'c':
236
              printf("\tif (%s) {\n", $3);
237
              break;
238
            }
239
        }
240
 
241
         it_field_list ')'
242
        {
243
          switch (writecode)
244
            {
245
            case 'i':
246
            case 'g':
247
            case 'o':
248
            case 'c':
249
          printf("\t}\n");
250
        }
251
        }
252
       ;
253
 
254
it_field:
255
        '(' attr_desc '(' attr_type attr_size ')' attr_id
256
        {name = $7; }
257
        enums ')'
258
        {
259
          char *desc = $2;
260
          char *type = $4;
261
          int size = $5;
262
          char *id = $7;
263
char *p = names[rdepth];
264
char *ptr = pnames[rdepth];
265
          switch (writecode)
266
            {
267
            case 'g':
268
              if (size % 8)
269
                {
270
 
271
                  printf("\twriteBITS(ptr->%s%s,raw,&idx,%d);\n",
272
                         id,
273
                         names[rdepth], size);
274
 
275
                }
276
              else {
277
                printf("\twrite%s(ptr->%s%s,raw,&idx,%d,file);\n",
278
                       type,
279
                       id,
280
                       names[rdepth],size/8);
281
                }
282
              break;
283
            case 'i':
284
              {
285
 
286
                if (rdepth >= 1)
287
 
288
                  {
289
                    printf("if (!ptr->%s) ptr->%s = (%s*)xcalloc(%s, sizeof(ptr->%s[0]));\n",
290
                           id,
291
                           id,
292
                           type,
293
                           repeat,
294
                           id);
295
                  }
296
 
297
                if (rdepth == 2)
298
                  {
299
                    printf("if (!ptr->%s[n]) ptr->%s[n] = (%s**)xcalloc(%s[n], sizeof(ptr->%s[n][0]));\n",
300
                           id,
301
                           id,
302
                           type,
303
                           repeat,
304
                           id);
305
                  }
306
 
307
              }
308
 
309
              if (size % 8)
310
                {
311
                  printf("\tptr->%s%s = getBITS(raw,&idx, %d,size);\n",
312
                         id,
313
                         names[rdepth],
314
                         size);
315
                }
316
              else {
317
                printf("\tptr->%s%s = get%s(raw,&idx, %d,size);\n",
318
                       id,
319
                       names[rdepth],
320
                       type,
321
                       size/8);
322
                }
323
              break;
324
            case 'o':
325
              printf("\tput%s(raw,%d,%d,&idx,ptr->%s%s);\n", type,size/8,size%8,id,names[rdepth]);
326
              break;
327
            case 'd':
328
              if (repeat)
329
                printf("\t/* repeat %s */\n", repeat);
330
 
331
                  if (type[0] == 'I') {
332
                  printf("\tint %s%s; \t/* %s */\n",ptr,id, desc);
333
                }
334
                  else if (type[0] =='C') {
335
                  printf("\tchar %s*%s;\t /* %s */\n",ptr,id, desc);
336
                }
337
              else {
338
                printf("\tbarray %s%s;\t /* %s */\n",ptr,id, desc);
339
              }
340
                  break;
341
                case 'c':
342
              printf("tabout();\n");
343
                  printf("\tprintf(\"/*%-30s*/ ptr->%s = \");\n", desc, id);
344
 
345
                  if (type[0] == 'I')
346
                  printf("\tprintf(\"%%d\\n\",ptr->%s%s);\n", id,p);
347
                  else   if (type[0] == 'C')
348
                  printf("\tprintf(\"%%s\\n\",ptr->%s%s);\n", id,p);
349
 
350
                  else   if (type[0] == 'B')
351
                    {
352
                  printf("\tpbarray(&ptr->%s%s);\n", id,p);
353
                }
354
              else abort();
355
                  break;
356
                }
357
        }
358
 
359
        ;
360
 
361
 
362
attr_type:
363
         TYPE { $$ = $1; }
364
        |  { $$ = "INT";}
365
        ;
366
 
367
attr_desc:
368
        '(' NAME ')'
369
        { $$ = $2; }
370
        ;
371
 
372
attr_size:
373
         NUMBER UNIT
374
        { $$ = $1 * $2; }
375
        ;
376
 
377
 
378
attr_id:
379
                '(' NAME ')'    { $$ = $2; }
380
        |       { $$ = "dummy";}
381
        ;
382
 
383
enums:
384
        | '(' enum_list ')' ;
385
 
386
enum_list:
387
        |
388
        enum_list '(' NAME NAME ')' {
389
          switch (writecode)
390
            {
391
            case 'd':
392
              printf("#define %s %s\n", $3,$4);
393
              break;
394
            case 'c':
395
                printf("if (ptr->%s%s == %s) { tabout(); printf(\"%s\\n\");}\n", name, names[rdepth],$4,$3);
396
            }
397
        }
398
 
399
        ;
400
 
401
 
402
 
403
%%
404
/* four modes
405
 
406
   -d write structure definitions for sysroff in host format
407
   -i write functions to swap into sysroff format in
408
   -o write functions to swap into sysroff format out
409
   -c write code to print info in human form */
410
 
411
int yydebug;
412
 
413
int
414
main (int ac, char **av)
415
{
416
  yydebug=0;
417
  if (ac > 1)
418
    writecode = av[1][1];
419
if (writecode == 'd')
420
  {
421
    printf("typedef struct { unsigned char *data; int len; } barray; \n");
422
    printf("typedef  int INT;\n");
423
    printf("typedef  char * CHARS;\n");
424
 
425
  }
426
  yyparse();
427
return 0;
428
}
429
 
430
static int
431
yyerror (char *s)
432
{
433
  fprintf(stderr, "%s\n" , s);
434
  return 0;
435
}

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