Commit | Line | Data |
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c906108c | 1 | /* Fortran language support routines for GDB, the GNU debugger. |
6c6ea35e | 2 | Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002 |
b6ba6518 | 3 | Free Software Foundation, Inc. |
c906108c SS |
4 | Contributed by Motorola. Adapted from the C parser by Farooq Butt |
5 | (fmbutt@engage.sps.mot.com). | |
6 | ||
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include "gdb_string.h" | |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "expression.h" | |
29 | #include "parser-defs.h" | |
30 | #include "language.h" | |
31 | #include "f-lang.h" | |
745b8ca0 | 32 | #include "valprint.h" |
c906108c SS |
33 | |
34 | /* The built-in types of F77. FIXME: integer*4 is missing, plain | |
35 | logical is missing (builtin_type_logical is logical*4). */ | |
36 | ||
37 | struct type *builtin_type_f_character; | |
38 | struct type *builtin_type_f_logical; | |
39 | struct type *builtin_type_f_logical_s1; | |
40 | struct type *builtin_type_f_logical_s2; | |
c5aa993b | 41 | struct type *builtin_type_f_integer; |
c906108c SS |
42 | struct type *builtin_type_f_integer_s2; |
43 | struct type *builtin_type_f_real; | |
44 | struct type *builtin_type_f_real_s8; | |
45 | struct type *builtin_type_f_real_s16; | |
46 | struct type *builtin_type_f_complex_s8; | |
47 | struct type *builtin_type_f_complex_s16; | |
48 | struct type *builtin_type_f_complex_s32; | |
49 | struct type *builtin_type_f_void; | |
50 | ||
51 | /* Following is dubious stuff that had been in the xcoff reader. */ | |
52 | ||
53 | struct saved_fcn | |
c5aa993b JM |
54 | { |
55 | long line_offset; /* Line offset for function */ | |
56 | struct saved_fcn *next; | |
57 | }; | |
c906108c SS |
58 | |
59 | ||
c5aa993b JM |
60 | struct saved_bf_symnum |
61 | { | |
62 | long symnum_fcn; /* Symnum of function (i.e. .function directive) */ | |
63 | long symnum_bf; /* Symnum of .bf for this function */ | |
64 | struct saved_bf_symnum *next; | |
65 | }; | |
c906108c | 66 | |
c5aa993b JM |
67 | typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR; |
68 | typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR; | |
c906108c SS |
69 | |
70 | /* Local functions */ | |
71 | ||
a14ed312 | 72 | extern void _initialize_f_language (void); |
c906108c | 73 | #if 0 |
a14ed312 KB |
74 | static void clear_function_list (void); |
75 | static long get_bf_for_fcn (long); | |
76 | static void clear_bf_list (void); | |
77 | static void patch_all_commons_by_name (char *, CORE_ADDR, int); | |
78 | static SAVED_F77_COMMON_PTR find_first_common_named (char *); | |
79 | static void add_common_entry (struct symbol *); | |
80 | static void add_common_block (char *, CORE_ADDR, int, char *); | |
81 | static SAVED_FUNCTION *allocate_saved_function_node (void); | |
82 | static SAVED_BF_PTR allocate_saved_bf_node (void); | |
83 | static COMMON_ENTRY_PTR allocate_common_entry_node (void); | |
84 | static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node (void); | |
85 | static void patch_common_entries (SAVED_F77_COMMON_PTR, CORE_ADDR, int); | |
c906108c SS |
86 | #endif |
87 | ||
a14ed312 | 88 | static struct type *f_create_fundamental_type (struct objfile *, int); |
d9fcf2fb JM |
89 | static void f_printstr (struct ui_file * stream, char *string, |
90 | unsigned int length, int width, | |
91 | int force_ellipses); | |
92 | static void f_printchar (int c, struct ui_file * stream); | |
93 | static void f_emit_char (int c, struct ui_file * stream, int quoter); | |
c906108c SS |
94 | |
95 | /* Print the character C on STREAM as part of the contents of a literal | |
96 | string whose delimiter is QUOTER. Note that that format for printing | |
97 | characters and strings is language specific. | |
98 | FIXME: This is a copy of the same function from c-exp.y. It should | |
99 | be replaced with a true F77 version. */ | |
100 | ||
101 | static void | |
fba45db2 | 102 | f_emit_char (register int c, struct ui_file *stream, int quoter) |
c906108c SS |
103 | { |
104 | c &= 0xFF; /* Avoid sign bit follies */ | |
c5aa993b | 105 | |
c906108c SS |
106 | if (PRINT_LITERAL_FORM (c)) |
107 | { | |
108 | if (c == '\\' || c == quoter) | |
109 | fputs_filtered ("\\", stream); | |
110 | fprintf_filtered (stream, "%c", c); | |
111 | } | |
112 | else | |
113 | { | |
114 | switch (c) | |
115 | { | |
116 | case '\n': | |
117 | fputs_filtered ("\\n", stream); | |
118 | break; | |
119 | case '\b': | |
120 | fputs_filtered ("\\b", stream); | |
121 | break; | |
122 | case '\t': | |
123 | fputs_filtered ("\\t", stream); | |
124 | break; | |
125 | case '\f': | |
126 | fputs_filtered ("\\f", stream); | |
127 | break; | |
128 | case '\r': | |
129 | fputs_filtered ("\\r", stream); | |
130 | break; | |
131 | case '\033': | |
132 | fputs_filtered ("\\e", stream); | |
133 | break; | |
134 | case '\007': | |
135 | fputs_filtered ("\\a", stream); | |
136 | break; | |
137 | default: | |
138 | fprintf_filtered (stream, "\\%.3o", (unsigned int) c); | |
139 | break; | |
140 | } | |
141 | } | |
142 | } | |
143 | ||
144 | /* FIXME: This is a copy of the same function from c-exp.y. It should | |
145 | be replaced with a true F77version. */ | |
146 | ||
147 | static void | |
fba45db2 | 148 | f_printchar (int c, struct ui_file *stream) |
c906108c SS |
149 | { |
150 | fputs_filtered ("'", stream); | |
151 | LA_EMIT_CHAR (c, stream, '\''); | |
152 | fputs_filtered ("'", stream); | |
153 | } | |
154 | ||
155 | /* Print the character string STRING, printing at most LENGTH characters. | |
156 | Printing stops early if the number hits print_max; repeat counts | |
157 | are printed as appropriate. Print ellipses at the end if we | |
158 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
159 | FIXME: This is a copy of the same function from c-exp.y. It should | |
160 | be replaced with a true F77 version. */ | |
161 | ||
162 | static void | |
fba45db2 KB |
163 | f_printstr (struct ui_file *stream, char *string, unsigned int length, |
164 | int width, int force_ellipses) | |
c906108c SS |
165 | { |
166 | register unsigned int i; | |
167 | unsigned int things_printed = 0; | |
168 | int in_quotes = 0; | |
169 | int need_comma = 0; | |
170 | extern int inspect_it; | |
c5aa993b | 171 | |
c906108c SS |
172 | if (length == 0) |
173 | { | |
174 | fputs_filtered ("''", gdb_stdout); | |
175 | return; | |
176 | } | |
c5aa993b | 177 | |
c906108c SS |
178 | for (i = 0; i < length && things_printed < print_max; ++i) |
179 | { | |
180 | /* Position of the character we are examining | |
c5aa993b | 181 | to see whether it is repeated. */ |
c906108c SS |
182 | unsigned int rep1; |
183 | /* Number of repetitions we have detected so far. */ | |
184 | unsigned int reps; | |
c5aa993b | 185 | |
c906108c | 186 | QUIT; |
c5aa993b | 187 | |
c906108c SS |
188 | if (need_comma) |
189 | { | |
190 | fputs_filtered (", ", stream); | |
191 | need_comma = 0; | |
192 | } | |
c5aa993b | 193 | |
c906108c SS |
194 | rep1 = i + 1; |
195 | reps = 1; | |
196 | while (rep1 < length && string[rep1] == string[i]) | |
197 | { | |
198 | ++rep1; | |
199 | ++reps; | |
200 | } | |
c5aa993b | 201 | |
c906108c SS |
202 | if (reps > repeat_count_threshold) |
203 | { | |
204 | if (in_quotes) | |
205 | { | |
206 | if (inspect_it) | |
207 | fputs_filtered ("\\', ", stream); | |
208 | else | |
209 | fputs_filtered ("', ", stream); | |
210 | in_quotes = 0; | |
211 | } | |
212 | f_printchar (string[i], stream); | |
213 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
214 | i = rep1 - 1; | |
215 | things_printed += repeat_count_threshold; | |
216 | need_comma = 1; | |
217 | } | |
218 | else | |
219 | { | |
220 | if (!in_quotes) | |
221 | { | |
222 | if (inspect_it) | |
223 | fputs_filtered ("\\'", stream); | |
224 | else | |
225 | fputs_filtered ("'", stream); | |
226 | in_quotes = 1; | |
227 | } | |
228 | LA_EMIT_CHAR (string[i], stream, '"'); | |
229 | ++things_printed; | |
230 | } | |
231 | } | |
c5aa993b | 232 | |
c906108c SS |
233 | /* Terminate the quotes if necessary. */ |
234 | if (in_quotes) | |
235 | { | |
236 | if (inspect_it) | |
237 | fputs_filtered ("\\'", stream); | |
238 | else | |
239 | fputs_filtered ("'", stream); | |
240 | } | |
c5aa993b | 241 | |
c906108c SS |
242 | if (force_ellipses || i < length) |
243 | fputs_filtered ("...", stream); | |
244 | } | |
245 | ||
246 | /* FIXME: This is a copy of c_create_fundamental_type(), before | |
247 | all the non-C types were stripped from it. Needs to be fixed | |
248 | by an experienced F77 programmer. */ | |
249 | ||
250 | static struct type * | |
fba45db2 | 251 | f_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
252 | { |
253 | register struct type *type = NULL; | |
c5aa993b | 254 | |
c906108c SS |
255 | switch (typeid) |
256 | { | |
257 | case FT_VOID: | |
258 | type = init_type (TYPE_CODE_VOID, | |
259 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
260 | 0, "VOID", objfile); | |
261 | break; | |
262 | case FT_BOOLEAN: | |
263 | type = init_type (TYPE_CODE_BOOL, | |
264 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
265 | TYPE_FLAG_UNSIGNED, "boolean", objfile); | |
266 | break; | |
267 | case FT_STRING: | |
268 | type = init_type (TYPE_CODE_STRING, | |
269 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
270 | 0, "string", objfile); | |
271 | break; | |
272 | case FT_CHAR: | |
273 | type = init_type (TYPE_CODE_INT, | |
274 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
275 | 0, "character", objfile); | |
276 | break; | |
277 | case FT_SIGNED_CHAR: | |
278 | type = init_type (TYPE_CODE_INT, | |
279 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
280 | 0, "integer*1", objfile); | |
281 | break; | |
282 | case FT_UNSIGNED_CHAR: | |
283 | type = init_type (TYPE_CODE_BOOL, | |
284 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
285 | TYPE_FLAG_UNSIGNED, "logical*1", objfile); | |
286 | break; | |
287 | case FT_SHORT: | |
288 | type = init_type (TYPE_CODE_INT, | |
289 | TARGET_SHORT_BIT / TARGET_CHAR_BIT, | |
290 | 0, "integer*2", objfile); | |
291 | break; | |
292 | case FT_SIGNED_SHORT: | |
293 | type = init_type (TYPE_CODE_INT, | |
294 | TARGET_SHORT_BIT / TARGET_CHAR_BIT, | |
295 | 0, "short", objfile); /* FIXME-fnf */ | |
296 | break; | |
297 | case FT_UNSIGNED_SHORT: | |
298 | type = init_type (TYPE_CODE_BOOL, | |
299 | TARGET_SHORT_BIT / TARGET_CHAR_BIT, | |
300 | TYPE_FLAG_UNSIGNED, "logical*2", objfile); | |
301 | break; | |
302 | case FT_INTEGER: | |
303 | type = init_type (TYPE_CODE_INT, | |
304 | TARGET_INT_BIT / TARGET_CHAR_BIT, | |
305 | 0, "integer*4", objfile); | |
306 | break; | |
307 | case FT_SIGNED_INTEGER: | |
308 | type = init_type (TYPE_CODE_INT, | |
309 | TARGET_INT_BIT / TARGET_CHAR_BIT, | |
c5aa993b | 310 | 0, "integer", objfile); /* FIXME -fnf */ |
c906108c SS |
311 | break; |
312 | case FT_UNSIGNED_INTEGER: | |
c5aa993b | 313 | type = init_type (TYPE_CODE_BOOL, |
c906108c SS |
314 | TARGET_INT_BIT / TARGET_CHAR_BIT, |
315 | TYPE_FLAG_UNSIGNED, "logical*4", objfile); | |
316 | break; | |
317 | case FT_FIXED_DECIMAL: | |
318 | type = init_type (TYPE_CODE_INT, | |
319 | TARGET_INT_BIT / TARGET_CHAR_BIT, | |
320 | 0, "fixed decimal", objfile); | |
321 | break; | |
322 | case FT_LONG: | |
323 | type = init_type (TYPE_CODE_INT, | |
324 | TARGET_LONG_BIT / TARGET_CHAR_BIT, | |
325 | 0, "long", objfile); | |
326 | break; | |
327 | case FT_SIGNED_LONG: | |
328 | type = init_type (TYPE_CODE_INT, | |
329 | TARGET_LONG_BIT / TARGET_CHAR_BIT, | |
c5aa993b | 330 | 0, "long", objfile); /* FIXME -fnf */ |
c906108c SS |
331 | break; |
332 | case FT_UNSIGNED_LONG: | |
333 | type = init_type (TYPE_CODE_INT, | |
334 | TARGET_LONG_BIT / TARGET_CHAR_BIT, | |
335 | TYPE_FLAG_UNSIGNED, "unsigned long", objfile); | |
336 | break; | |
337 | case FT_LONG_LONG: | |
338 | type = init_type (TYPE_CODE_INT, | |
339 | TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, | |
340 | 0, "long long", objfile); | |
341 | break; | |
342 | case FT_SIGNED_LONG_LONG: | |
343 | type = init_type (TYPE_CODE_INT, | |
344 | TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, | |
345 | 0, "signed long long", objfile); | |
346 | break; | |
347 | case FT_UNSIGNED_LONG_LONG: | |
348 | type = init_type (TYPE_CODE_INT, | |
349 | TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, | |
350 | TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); | |
351 | break; | |
352 | case FT_FLOAT: | |
353 | type = init_type (TYPE_CODE_FLT, | |
354 | TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
355 | 0, "real", objfile); | |
356 | break; | |
357 | case FT_DBL_PREC_FLOAT: | |
358 | type = init_type (TYPE_CODE_FLT, | |
359 | TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
360 | 0, "real*8", objfile); | |
361 | break; | |
362 | case FT_FLOAT_DECIMAL: | |
363 | type = init_type (TYPE_CODE_FLT, | |
364 | TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
365 | 0, "floating decimal", objfile); | |
366 | break; | |
367 | case FT_EXT_PREC_FLOAT: | |
368 | type = init_type (TYPE_CODE_FLT, | |
369 | TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, | |
370 | 0, "real*16", objfile); | |
371 | break; | |
372 | case FT_COMPLEX: | |
373 | type = init_type (TYPE_CODE_COMPLEX, | |
374 | 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
375 | 0, "complex*8", objfile); | |
376 | TYPE_TARGET_TYPE (type) = builtin_type_f_real; | |
377 | break; | |
378 | case FT_DBL_PREC_COMPLEX: | |
379 | type = init_type (TYPE_CODE_COMPLEX, | |
380 | 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
381 | 0, "complex*16", objfile); | |
382 | TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8; | |
383 | break; | |
384 | case FT_EXT_PREC_COMPLEX: | |
385 | type = init_type (TYPE_CODE_COMPLEX, | |
386 | 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, | |
387 | 0, "complex*32", objfile); | |
388 | TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16; | |
389 | break; | |
390 | default: | |
391 | /* FIXME: For now, if we are asked to produce a type not in this | |
c5aa993b JM |
392 | language, create the equivalent of a C integer type with the |
393 | name "<?type?>". When all the dust settles from the type | |
394 | reconstruction work, this should probably become an error. */ | |
c906108c SS |
395 | type = init_type (TYPE_CODE_INT, |
396 | TARGET_INT_BIT / TARGET_CHAR_BIT, | |
397 | 0, "<?type?>", objfile); | |
398 | warning ("internal error: no F77 fundamental type %d", typeid); | |
399 | break; | |
400 | } | |
401 | return (type); | |
402 | } | |
c906108c | 403 | \f |
c5aa993b | 404 | |
c906108c SS |
405 | /* Table of operators and their precedences for printing expressions. */ |
406 | ||
c5aa993b JM |
407 | static const struct op_print f_op_print_tab[] = |
408 | { | |
409 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
410 | {"+", UNOP_PLUS, PREC_PREFIX, 0}, | |
411 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
412 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
413 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
414 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
415 | {"DIV", BINOP_INTDIV, PREC_MUL, 0}, | |
416 | {"MOD", BINOP_REM, PREC_MUL, 0}, | |
417 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
418 | {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
419 | {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
420 | {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
421 | {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0}, | |
422 | {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
423 | {".LE.", BINOP_LEQ, PREC_ORDER, 0}, | |
424 | {".GE.", BINOP_GEQ, PREC_ORDER, 0}, | |
425 | {".GT.", BINOP_GTR, PREC_ORDER, 0}, | |
426 | {".LT.", BINOP_LESS, PREC_ORDER, 0}, | |
427 | {"**", UNOP_IND, PREC_PREFIX, 0}, | |
428 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
429 | {NULL, 0, 0, 0} | |
c906108c SS |
430 | }; |
431 | \f | |
6c6ea35e | 432 | struct type **const (f_builtin_types[]) = |
c906108c SS |
433 | { |
434 | &builtin_type_f_character, | |
c5aa993b JM |
435 | &builtin_type_f_logical, |
436 | &builtin_type_f_logical_s1, | |
437 | &builtin_type_f_logical_s2, | |
438 | &builtin_type_f_integer, | |
439 | &builtin_type_f_integer_s2, | |
440 | &builtin_type_f_real, | |
441 | &builtin_type_f_real_s8, | |
442 | &builtin_type_f_real_s16, | |
443 | &builtin_type_f_complex_s8, | |
444 | &builtin_type_f_complex_s16, | |
c906108c | 445 | #if 0 |
c5aa993b | 446 | &builtin_type_f_complex_s32, |
c906108c | 447 | #endif |
c5aa993b JM |
448 | &builtin_type_f_void, |
449 | 0 | |
c906108c SS |
450 | }; |
451 | ||
452 | /* This is declared in c-lang.h but it is silly to import that file for what | |
453 | is already just a hack. */ | |
d9fcf2fb JM |
454 | extern int c_value_print (struct value *, struct ui_file *, int, |
455 | enum val_prettyprint); | |
c906108c | 456 | |
c5aa993b JM |
457 | const struct language_defn f_language_defn = |
458 | { | |
c906108c SS |
459 | "fortran", |
460 | language_fortran, | |
461 | f_builtin_types, | |
462 | range_check_on, | |
463 | type_check_on, | |
63872f9d | 464 | case_sensitive_off, |
c906108c SS |
465 | f_parse, /* parser */ |
466 | f_error, /* parser error function */ | |
467 | evaluate_subexp_standard, | |
468 | f_printchar, /* Print character constant */ | |
469 | f_printstr, /* function to print string constant */ | |
470 | f_emit_char, /* Function to print a single character */ | |
471 | f_create_fundamental_type, /* Create fundamental type in this language */ | |
c5aa993b | 472 | f_print_type, /* Print a type using appropriate syntax */ |
c906108c | 473 | f_val_print, /* Print a value using appropriate syntax */ |
c5aa993b | 474 | c_value_print, /* FIXME */ |
f636b87d | 475 | NULL, /* Language specific skip_trampoline */ |
9a3d7dfd | 476 | NULL, /* Language specific symbol demangler */ |
c5aa993b JM |
477 | {"", "", "", ""}, /* Binary format info */ |
478 | {"0%o", "0", "o", ""}, /* Octal format info */ | |
479 | {"%d", "", "d", ""}, /* Decimal format info */ | |
480 | {"0x%x", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
481 | f_op_print_tab, /* expression operators for printing */ |
482 | 0, /* arrays are first-class (not c-style) */ | |
483 | 1, /* String lower bound */ | |
c5aa993b | 484 | &builtin_type_f_character, /* Type of string elements */ |
c906108c | 485 | LANG_MAGIC |
c5aa993b | 486 | }; |
c906108c | 487 | |
4e845cd3 MS |
488 | static void |
489 | build_fortran_types (void) | |
c906108c SS |
490 | { |
491 | builtin_type_f_void = | |
492 | init_type (TYPE_CODE_VOID, 1, | |
493 | 0, | |
494 | "VOID", (struct objfile *) NULL); | |
c5aa993b | 495 | |
c906108c SS |
496 | builtin_type_f_character = |
497 | init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
498 | 0, | |
499 | "character", (struct objfile *) NULL); | |
c5aa993b | 500 | |
c906108c SS |
501 | builtin_type_f_logical_s1 = |
502 | init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
503 | TYPE_FLAG_UNSIGNED, | |
504 | "logical*1", (struct objfile *) NULL); | |
c5aa993b | 505 | |
c906108c SS |
506 | builtin_type_f_integer_s2 = |
507 | init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, | |
508 | 0, | |
509 | "integer*2", (struct objfile *) NULL); | |
c5aa993b | 510 | |
c906108c SS |
511 | builtin_type_f_logical_s2 = |
512 | init_type (TYPE_CODE_BOOL, TARGET_SHORT_BIT / TARGET_CHAR_BIT, | |
513 | TYPE_FLAG_UNSIGNED, | |
514 | "logical*2", (struct objfile *) NULL); | |
c5aa993b | 515 | |
c906108c SS |
516 | builtin_type_f_integer = |
517 | init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, | |
518 | 0, | |
519 | "integer", (struct objfile *) NULL); | |
c5aa993b | 520 | |
c906108c SS |
521 | builtin_type_f_logical = |
522 | init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT, | |
523 | TYPE_FLAG_UNSIGNED, | |
524 | "logical*4", (struct objfile *) NULL); | |
c5aa993b | 525 | |
c906108c SS |
526 | builtin_type_f_real = |
527 | init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
528 | 0, | |
529 | "real", (struct objfile *) NULL); | |
c5aa993b | 530 | |
c906108c SS |
531 | builtin_type_f_real_s8 = |
532 | init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
533 | 0, | |
534 | "real*8", (struct objfile *) NULL); | |
c5aa993b | 535 | |
c906108c SS |
536 | builtin_type_f_real_s16 = |
537 | init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, | |
538 | 0, | |
539 | "real*16", (struct objfile *) NULL); | |
c5aa993b | 540 | |
c906108c SS |
541 | builtin_type_f_complex_s8 = |
542 | init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
543 | 0, | |
544 | "complex*8", (struct objfile *) NULL); | |
545 | TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real; | |
c5aa993b | 546 | |
c906108c SS |
547 | builtin_type_f_complex_s16 = |
548 | init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
549 | 0, | |
550 | "complex*16", (struct objfile *) NULL); | |
551 | TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8; | |
c5aa993b | 552 | |
c906108c SS |
553 | /* We have a new size == 4 double floats for the |
554 | complex*32 data type */ | |
c5aa993b JM |
555 | |
556 | builtin_type_f_complex_s32 = | |
c906108c SS |
557 | init_type (TYPE_CODE_COMPLEX, 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, |
558 | 0, | |
559 | "complex*32", (struct objfile *) NULL); | |
560 | TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16; | |
4e845cd3 MS |
561 | } |
562 | ||
563 | void | |
564 | _initialize_f_language (void) | |
565 | { | |
566 | build_fortran_types (); | |
567 | register_gdbarch_swap (&builtin_type_f_character, | |
568 | sizeof (struct type *), NULL); | |
569 | register_gdbarch_swap (&builtin_type_f_logical, | |
570 | sizeof (struct type *), NULL); | |
571 | register_gdbarch_swap (&builtin_type_f_logical_s1, | |
572 | sizeof (struct type *), NULL); | |
573 | register_gdbarch_swap (&builtin_type_f_logical_s2, | |
574 | sizeof (struct type *), NULL); | |
575 | register_gdbarch_swap (&builtin_type_f_integer, | |
576 | sizeof (struct type *), NULL); | |
577 | register_gdbarch_swap (&builtin_type_f_integer_s2, | |
578 | sizeof (struct type *), NULL); | |
579 | register_gdbarch_swap (&builtin_type_f_real, | |
580 | sizeof (struct type *), NULL); | |
581 | register_gdbarch_swap (&builtin_type_f_real_s8, | |
582 | sizeof (struct type *), NULL); | |
583 | register_gdbarch_swap (&builtin_type_f_real_s16, | |
584 | sizeof (struct type *), NULL); | |
585 | register_gdbarch_swap (&builtin_type_f_complex_s8, | |
586 | sizeof (struct type *), NULL); | |
587 | register_gdbarch_swap (&builtin_type_f_complex_s16, | |
588 | sizeof (struct type *), NULL); | |
589 | register_gdbarch_swap (&builtin_type_f_complex_s32, | |
590 | sizeof (struct type *), NULL); | |
591 | register_gdbarch_swap (&builtin_type_f_void, | |
592 | sizeof (struct type *), NULL); | |
593 | register_gdbarch_swap (&builtin_type_string, | |
594 | sizeof (struct type *), NULL); | |
595 | ||
596 | register_gdbarch_swap (NULL, 0, build_fortran_types); | |
c906108c SS |
597 | |
598 | builtin_type_string = | |
599 | init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
600 | 0, | |
c5aa993b JM |
601 | "character string", (struct objfile *) NULL); |
602 | ||
c906108c SS |
603 | add_language (&f_language_defn); |
604 | } | |
605 | ||
606 | #if 0 | |
607 | static SAVED_BF_PTR | |
fba45db2 | 608 | allocate_saved_bf_node (void) |
c906108c SS |
609 | { |
610 | SAVED_BF_PTR new; | |
c5aa993b | 611 | |
c906108c | 612 | new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF)); |
c5aa993b | 613 | return (new); |
c906108c SS |
614 | } |
615 | ||
616 | static SAVED_FUNCTION * | |
fba45db2 | 617 | allocate_saved_function_node (void) |
c906108c SS |
618 | { |
619 | SAVED_FUNCTION *new; | |
c5aa993b | 620 | |
c906108c | 621 | new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION)); |
c5aa993b | 622 | return (new); |
c906108c SS |
623 | } |
624 | ||
c5aa993b | 625 | static SAVED_F77_COMMON_PTR |
fba45db2 | 626 | allocate_saved_f77_common_node (void) |
c906108c SS |
627 | { |
628 | SAVED_F77_COMMON_PTR new; | |
c5aa993b | 629 | |
c906108c | 630 | new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON)); |
c5aa993b | 631 | return (new); |
c906108c SS |
632 | } |
633 | ||
c5aa993b | 634 | static COMMON_ENTRY_PTR |
fba45db2 | 635 | allocate_common_entry_node (void) |
c906108c SS |
636 | { |
637 | COMMON_ENTRY_PTR new; | |
c5aa993b | 638 | |
c906108c | 639 | new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY)); |
c5aa993b | 640 | return (new); |
c906108c SS |
641 | } |
642 | #endif | |
643 | ||
c5aa993b JM |
644 | SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */ |
645 | SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */ | |
646 | SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */ | |
c906108c SS |
647 | |
648 | #if 0 | |
c5aa993b JM |
649 | static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function) |
650 | list */ | |
651 | static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */ | |
652 | static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list | |
653 | */ | |
c906108c | 654 | |
c5aa993b JM |
655 | static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use |
656 | in macros */ | |
c906108c SS |
657 | |
658 | /* The following function simply enters a given common block onto | |
659 | the global common block chain */ | |
660 | ||
661 | static void | |
fba45db2 | 662 | add_common_block (char *name, CORE_ADDR offset, int secnum, char *func_stab) |
c906108c SS |
663 | { |
664 | SAVED_F77_COMMON_PTR tmp; | |
c5aa993b JM |
665 | char *c, *local_copy_func_stab; |
666 | ||
c906108c SS |
667 | /* If the COMMON block we are trying to add has a blank |
668 | name (i.e. "#BLNK_COM") then we set it to __BLANK | |
669 | because the darn "#" character makes GDB's input | |
c5aa993b JM |
670 | parser have fits. */ |
671 | ||
672 | ||
673 | if (STREQ (name, BLANK_COMMON_NAME_ORIGINAL) || | |
674 | STREQ (name, BLANK_COMMON_NAME_MF77)) | |
c906108c | 675 | { |
c5aa993b | 676 | |
b8c9b27d | 677 | xfree (name); |
c5aa993b JM |
678 | name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1); |
679 | strcpy (name, BLANK_COMMON_NAME_LOCAL); | |
c906108c | 680 | } |
c5aa993b JM |
681 | |
682 | tmp = allocate_saved_f77_common_node (); | |
683 | ||
684 | local_copy_func_stab = xmalloc (strlen (func_stab) + 1); | |
685 | strcpy (local_copy_func_stab, func_stab); | |
686 | ||
687 | tmp->name = xmalloc (strlen (name) + 1); | |
688 | ||
c906108c | 689 | /* local_copy_func_stab is a stabstring, let us first extract the |
c5aa993b JM |
690 | function name from the stab by NULLing out the ':' character. */ |
691 | ||
692 | ||
693 | c = NULL; | |
694 | c = strchr (local_copy_func_stab, ':'); | |
695 | ||
c906108c SS |
696 | if (c) |
697 | *c = '\0'; | |
698 | else | |
c5aa993b JM |
699 | error ("Malformed function STAB found in add_common_block()"); |
700 | ||
701 | ||
702 | tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1); | |
703 | ||
704 | strcpy (tmp->owning_function, local_copy_func_stab); | |
705 | ||
706 | strcpy (tmp->name, name); | |
707 | tmp->offset = offset; | |
c906108c SS |
708 | tmp->next = NULL; |
709 | tmp->entries = NULL; | |
c5aa993b JM |
710 | tmp->secnum = secnum; |
711 | ||
c906108c | 712 | current_common = tmp; |
c5aa993b | 713 | |
c906108c SS |
714 | if (head_common_list == NULL) |
715 | { | |
716 | head_common_list = tail_common_list = tmp; | |
717 | } | |
718 | else | |
719 | { | |
c5aa993b | 720 | tail_common_list->next = tmp; |
c906108c SS |
721 | tail_common_list = tmp; |
722 | } | |
723 | } | |
724 | #endif | |
725 | ||
726 | /* The following function simply enters a given common entry onto | |
c5aa993b | 727 | the "current_common" block that has been saved away. */ |
c906108c SS |
728 | |
729 | #if 0 | |
730 | static void | |
fba45db2 | 731 | add_common_entry (struct symbol *entry_sym_ptr) |
c906108c SS |
732 | { |
733 | COMMON_ENTRY_PTR tmp; | |
c5aa993b JM |
734 | |
735 | ||
736 | ||
c906108c SS |
737 | /* The order of this list is important, since |
738 | we expect the entries to appear in decl. | |
c5aa993b JM |
739 | order when we later issue "info common" calls */ |
740 | ||
741 | tmp = allocate_common_entry_node (); | |
742 | ||
c906108c SS |
743 | tmp->next = NULL; |
744 | tmp->symbol = entry_sym_ptr; | |
c5aa993b | 745 | |
c906108c | 746 | if (current_common == NULL) |
c5aa993b JM |
747 | error ("Attempt to add COMMON entry with no block open!"); |
748 | else | |
c906108c SS |
749 | { |
750 | if (current_common->entries == NULL) | |
751 | { | |
752 | current_common->entries = tmp; | |
c5aa993b | 753 | current_common->end_of_entries = tmp; |
c906108c SS |
754 | } |
755 | else | |
756 | { | |
c5aa993b JM |
757 | current_common->end_of_entries->next = tmp; |
758 | current_common->end_of_entries = tmp; | |
c906108c SS |
759 | } |
760 | } | |
761 | } | |
762 | #endif | |
763 | ||
c5aa993b | 764 | /* This routine finds the first encountred COMMON block named "name" */ |
c906108c SS |
765 | |
766 | #if 0 | |
767 | static SAVED_F77_COMMON_PTR | |
fba45db2 | 768 | find_first_common_named (char *name) |
c906108c | 769 | { |
c5aa993b | 770 | |
c906108c | 771 | SAVED_F77_COMMON_PTR tmp; |
c5aa993b | 772 | |
c906108c | 773 | tmp = head_common_list; |
c5aa993b | 774 | |
c906108c SS |
775 | while (tmp != NULL) |
776 | { | |
c5aa993b JM |
777 | if (STREQ (tmp->name, name)) |
778 | return (tmp); | |
c906108c SS |
779 | else |
780 | tmp = tmp->next; | |
781 | } | |
c5aa993b | 782 | return (NULL); |
c906108c SS |
783 | } |
784 | #endif | |
785 | ||
786 | /* This routine finds the first encountred COMMON block named "name" | |
c5aa993b | 787 | that belongs to function funcname */ |
c906108c | 788 | |
c5aa993b | 789 | SAVED_F77_COMMON_PTR |
fba45db2 | 790 | find_common_for_function (char *name, char *funcname) |
c906108c | 791 | { |
c5aa993b | 792 | |
c906108c | 793 | SAVED_F77_COMMON_PTR tmp; |
c5aa993b | 794 | |
c906108c | 795 | tmp = head_common_list; |
c5aa993b | 796 | |
c906108c SS |
797 | while (tmp != NULL) |
798 | { | |
c5aa993b JM |
799 | if (STREQ (tmp->name, name) && STREQ (tmp->owning_function, funcname)) |
800 | return (tmp); | |
c906108c SS |
801 | else |
802 | tmp = tmp->next; | |
803 | } | |
c5aa993b | 804 | return (NULL); |
c906108c SS |
805 | } |
806 | ||
807 | ||
808 | #if 0 | |
809 | ||
810 | /* The following function is called to patch up the offsets | |
811 | for the statics contained in the COMMON block named | |
c5aa993b | 812 | "name." */ |
c906108c SS |
813 | |
814 | static void | |
fba45db2 | 815 | patch_common_entries (SAVED_F77_COMMON_PTR blk, CORE_ADDR offset, int secnum) |
c906108c SS |
816 | { |
817 | COMMON_ENTRY_PTR entry; | |
c5aa993b JM |
818 | |
819 | blk->offset = offset; /* Keep this around for future use. */ | |
820 | ||
c906108c | 821 | entry = blk->entries; |
c5aa993b | 822 | |
c906108c SS |
823 | while (entry != NULL) |
824 | { | |
c5aa993b | 825 | SYMBOL_VALUE (entry->symbol) += offset; |
c906108c | 826 | SYMBOL_SECTION (entry->symbol) = secnum; |
c5aa993b | 827 | |
c906108c SS |
828 | entry = entry->next; |
829 | } | |
c5aa993b | 830 | blk->secnum = secnum; |
c906108c SS |
831 | } |
832 | ||
833 | /* Patch all commons named "name" that need patching.Since COMMON | |
834 | blocks occur with relative infrequency, we simply do a linear scan on | |
835 | the name. Eventually, the best way to do this will be a | |
836 | hashed-lookup. Secnum is the section number for the .bss section | |
837 | (which is where common data lives). */ | |
838 | ||
839 | static void | |
fba45db2 | 840 | patch_all_commons_by_name (char *name, CORE_ADDR offset, int secnum) |
c906108c | 841 | { |
c5aa993b | 842 | |
c906108c | 843 | SAVED_F77_COMMON_PTR tmp; |
c5aa993b | 844 | |
c906108c SS |
845 | /* For blank common blocks, change the canonical reprsentation |
846 | of a blank name */ | |
c5aa993b JM |
847 | |
848 | if ((STREQ (name, BLANK_COMMON_NAME_ORIGINAL)) || | |
849 | (STREQ (name, BLANK_COMMON_NAME_MF77))) | |
c906108c | 850 | { |
b8c9b27d | 851 | xfree (name); |
c5aa993b JM |
852 | name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1); |
853 | strcpy (name, BLANK_COMMON_NAME_LOCAL); | |
c906108c | 854 | } |
c5aa993b | 855 | |
c906108c | 856 | tmp = head_common_list; |
c5aa993b | 857 | |
c906108c SS |
858 | while (tmp != NULL) |
859 | { | |
c5aa993b JM |
860 | if (COMMON_NEEDS_PATCHING (tmp)) |
861 | if (STREQ (tmp->name, name)) | |
862 | patch_common_entries (tmp, offset, secnum); | |
863 | ||
c906108c | 864 | tmp = tmp->next; |
c5aa993b | 865 | } |
c906108c SS |
866 | } |
867 | #endif | |
868 | ||
869 | /* This macro adds the symbol-number for the start of the function | |
870 | (the symbol number of the .bf) referenced by symnum_fcn to a | |
871 | list. This list, in reality should be a FIFO queue but since | |
872 | #line pragmas sometimes cause line ranges to get messed up | |
873 | we simply create a linear list. This list can then be searched | |
874 | first by a queueing algorithm and upon failure fall back to | |
c5aa993b | 875 | a linear scan. */ |
c906108c SS |
876 | |
877 | #if 0 | |
878 | #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \ | |
879 | \ | |
880 | if (saved_bf_list == NULL) \ | |
881 | { \ | |
882 | tmp_bf_ptr = allocate_saved_bf_node(); \ | |
883 | \ | |
884 | tmp_bf_ptr->symnum_bf = (bf_sym); \ | |
885 | tmp_bf_ptr->symnum_fcn = (fcn_sym); \ | |
886 | tmp_bf_ptr->next = NULL; \ | |
887 | \ | |
888 | current_head_bf_list = saved_bf_list = tmp_bf_ptr; \ | |
889 | saved_bf_list_end = tmp_bf_ptr; \ | |
890 | } \ | |
891 | else \ | |
892 | { \ | |
893 | tmp_bf_ptr = allocate_saved_bf_node(); \ | |
894 | \ | |
895 | tmp_bf_ptr->symnum_bf = (bf_sym); \ | |
896 | tmp_bf_ptr->symnum_fcn = (fcn_sym); \ | |
897 | tmp_bf_ptr->next = NULL; \ | |
898 | \ | |
899 | saved_bf_list_end->next = tmp_bf_ptr; \ | |
900 | saved_bf_list_end = tmp_bf_ptr; \ | |
c5aa993b | 901 | } |
c906108c SS |
902 | #endif |
903 | ||
c5aa993b | 904 | /* This function frees the entire (.bf,function) list */ |
c906108c SS |
905 | |
906 | #if 0 | |
c5aa993b | 907 | static void |
fba45db2 | 908 | clear_bf_list (void) |
c906108c | 909 | { |
c5aa993b | 910 | |
c906108c | 911 | SAVED_BF_PTR tmp = saved_bf_list; |
c5aa993b JM |
912 | SAVED_BF_PTR next = NULL; |
913 | ||
c906108c SS |
914 | while (tmp != NULL) |
915 | { | |
916 | next = tmp->next; | |
b8c9b27d | 917 | xfree (tmp); |
c5aa993b | 918 | tmp = next; |
c906108c SS |
919 | } |
920 | saved_bf_list = NULL; | |
921 | } | |
922 | #endif | |
923 | ||
924 | int global_remote_debug; | |
925 | ||
926 | #if 0 | |
927 | ||
928 | static long | |
fba45db2 | 929 | get_bf_for_fcn (long the_function) |
c906108c SS |
930 | { |
931 | SAVED_BF_PTR tmp; | |
932 | int nprobes = 0; | |
c5aa993b | 933 | |
c906108c SS |
934 | /* First use a simple queuing algorithm (i.e. look and see if the |
935 | item at the head of the queue is the one you want) */ | |
c5aa993b | 936 | |
c906108c | 937 | if (saved_bf_list == NULL) |
8e65ff28 AC |
938 | internal_error (__FILE__, __LINE__, |
939 | "cannot get .bf node off empty list"); | |
c5aa993b JM |
940 | |
941 | if (current_head_bf_list != NULL) | |
c906108c SS |
942 | if (current_head_bf_list->symnum_fcn == the_function) |
943 | { | |
c5aa993b | 944 | if (global_remote_debug) |
dac8068e | 945 | fprintf_unfiltered (gdb_stderr, "*"); |
c906108c | 946 | |
c5aa993b | 947 | tmp = current_head_bf_list; |
c906108c | 948 | current_head_bf_list = current_head_bf_list->next; |
c5aa993b | 949 | return (tmp->symnum_bf); |
c906108c | 950 | } |
c5aa993b | 951 | |
c906108c SS |
952 | /* If the above did not work (probably because #line directives were |
953 | used in the sourcefile and they messed up our internal tables) we now do | |
954 | the ugly linear scan */ | |
c5aa993b JM |
955 | |
956 | if (global_remote_debug) | |
dac8068e | 957 | fprintf_unfiltered (gdb_stderr, "\ndefaulting to linear scan\n"); |
c5aa993b JM |
958 | |
959 | nprobes = 0; | |
c906108c SS |
960 | tmp = saved_bf_list; |
961 | while (tmp != NULL) | |
962 | { | |
c5aa993b | 963 | nprobes++; |
c906108c | 964 | if (tmp->symnum_fcn == the_function) |
c5aa993b | 965 | { |
c906108c | 966 | if (global_remote_debug) |
dac8068e | 967 | fprintf_unfiltered (gdb_stderr, "Found in %d probes\n", nprobes); |
c906108c | 968 | current_head_bf_list = tmp->next; |
c5aa993b JM |
969 | return (tmp->symnum_bf); |
970 | } | |
971 | tmp = tmp->next; | |
c906108c | 972 | } |
c5aa993b JM |
973 | |
974 | return (-1); | |
c906108c SS |
975 | } |
976 | ||
c5aa993b JM |
977 | static SAVED_FUNCTION_PTR saved_function_list = NULL; |
978 | static SAVED_FUNCTION_PTR saved_function_list_end = NULL; | |
c906108c SS |
979 | |
980 | static void | |
fba45db2 | 981 | clear_function_list (void) |
c906108c SS |
982 | { |
983 | SAVED_FUNCTION_PTR tmp = saved_function_list; | |
c5aa993b JM |
984 | SAVED_FUNCTION_PTR next = NULL; |
985 | ||
c906108c SS |
986 | while (tmp != NULL) |
987 | { | |
988 | next = tmp->next; | |
b8c9b27d | 989 | xfree (tmp); |
c906108c SS |
990 | tmp = next; |
991 | } | |
c5aa993b | 992 | |
c906108c SS |
993 | saved_function_list = NULL; |
994 | } | |
995 | #endif |