Commit | Line | Data |
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c906108c | 1 | /* Fortran language support routines for GDB, the GNU debugger. |
ce27fb25 | 2 | |
42a4f53d | 3 | Copyright (C) 1993-2019 Free Software Foundation, Inc. |
ce27fb25 | 4 | |
c906108c SS |
5 | Contributed by Motorola. Adapted from the C parser by Farooq Butt |
6 | (fmbutt@engage.sps.mot.com). | |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #include "defs.h" | |
c906108c SS |
24 | #include "symtab.h" |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "parser-defs.h" | |
28 | #include "language.h" | |
a53b64ea | 29 | #include "varobj.h" |
aa3cfbda | 30 | #include "gdbcore.h" |
c906108c | 31 | #include "f-lang.h" |
745b8ca0 | 32 | #include "valprint.h" |
5f9a71c3 | 33 | #include "value.h" |
f55ee35c | 34 | #include "cp-support.h" |
3b2b8fea | 35 | #include "charset.h" |
8e069a98 | 36 | #include "c-lang.h" |
0841c79a | 37 | #include "target-float.h" |
c906108c | 38 | |
0841c79a | 39 | #include <math.h> |
c906108c | 40 | |
c906108c SS |
41 | /* Local functions */ |
42 | ||
6c7a06a3 TT |
43 | static void f_printchar (int c, struct type *type, struct ui_file * stream); |
44 | static void f_emit_char (int c, struct type *type, | |
45 | struct ui_file * stream, int quoter); | |
c906108c | 46 | |
3b2b8fea TT |
47 | /* Return the encoding that should be used for the character type |
48 | TYPE. */ | |
49 | ||
50 | static const char * | |
51 | f_get_encoding (struct type *type) | |
52 | { | |
53 | const char *encoding; | |
54 | ||
55 | switch (TYPE_LENGTH (type)) | |
56 | { | |
57 | case 1: | |
58 | encoding = target_charset (get_type_arch (type)); | |
59 | break; | |
60 | case 4: | |
61 | if (gdbarch_byte_order (get_type_arch (type)) == BFD_ENDIAN_BIG) | |
62 | encoding = "UTF-32BE"; | |
63 | else | |
64 | encoding = "UTF-32LE"; | |
65 | break; | |
66 | ||
67 | default: | |
68 | error (_("unrecognized character type")); | |
69 | } | |
70 | ||
71 | return encoding; | |
72 | } | |
73 | ||
c906108c SS |
74 | /* Print the character C on STREAM as part of the contents of a literal |
75 | string whose delimiter is QUOTER. Note that that format for printing | |
76 | characters and strings is language specific. | |
77 | FIXME: This is a copy of the same function from c-exp.y. It should | |
78 | be replaced with a true F77 version. */ | |
79 | ||
80 | static void | |
6c7a06a3 | 81 | f_emit_char (int c, struct type *type, struct ui_file *stream, int quoter) |
c906108c | 82 | { |
3b2b8fea | 83 | const char *encoding = f_get_encoding (type); |
c5aa993b | 84 | |
3b2b8fea | 85 | generic_emit_char (c, type, stream, quoter, encoding); |
c906108c SS |
86 | } |
87 | ||
3b2b8fea | 88 | /* Implementation of la_printchar. */ |
c906108c SS |
89 | |
90 | static void | |
6c7a06a3 | 91 | f_printchar (int c, struct type *type, struct ui_file *stream) |
c906108c SS |
92 | { |
93 | fputs_filtered ("'", stream); | |
6c7a06a3 | 94 | LA_EMIT_CHAR (c, type, stream, '\''); |
c906108c SS |
95 | fputs_filtered ("'", stream); |
96 | } | |
97 | ||
98 | /* Print the character string STRING, printing at most LENGTH characters. | |
99 | Printing stops early if the number hits print_max; repeat counts | |
100 | are printed as appropriate. Print ellipses at the end if we | |
101 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
102 | FIXME: This is a copy of the same function from c-exp.y. It should | |
0963b4bd | 103 | be replaced with a true F77 version. */ |
c906108c SS |
104 | |
105 | static void | |
6c7a06a3 | 106 | f_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string, |
be759fcf | 107 | unsigned int length, const char *encoding, int force_ellipses, |
79a45b7d | 108 | const struct value_print_options *options) |
c906108c | 109 | { |
3b2b8fea | 110 | const char *type_encoding = f_get_encoding (type); |
c5aa993b | 111 | |
3b2b8fea TT |
112 | if (TYPE_LENGTH (type) == 4) |
113 | fputs_filtered ("4_", stream); | |
c5aa993b | 114 | |
3b2b8fea TT |
115 | if (!encoding || !*encoding) |
116 | encoding = type_encoding; | |
c5aa993b | 117 | |
3b2b8fea TT |
118 | generic_printstr (stream, type, string, length, encoding, |
119 | force_ellipses, '\'', 0, options); | |
c906108c | 120 | } |
c906108c | 121 | \f |
c5aa993b | 122 | |
c906108c SS |
123 | /* Table of operators and their precedences for printing expressions. */ |
124 | ||
c5aa993b JM |
125 | static const struct op_print f_op_print_tab[] = |
126 | { | |
127 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
128 | {"+", UNOP_PLUS, PREC_PREFIX, 0}, | |
129 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
130 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
131 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
132 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
133 | {"DIV", BINOP_INTDIV, PREC_MUL, 0}, | |
134 | {"MOD", BINOP_REM, PREC_MUL, 0}, | |
135 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
136 | {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
137 | {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
138 | {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
139 | {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0}, | |
140 | {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
141 | {".LE.", BINOP_LEQ, PREC_ORDER, 0}, | |
142 | {".GE.", BINOP_GEQ, PREC_ORDER, 0}, | |
143 | {".GT.", BINOP_GTR, PREC_ORDER, 0}, | |
144 | {".LT.", BINOP_LESS, PREC_ORDER, 0}, | |
145 | {"**", UNOP_IND, PREC_PREFIX, 0}, | |
146 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
f486487f | 147 | {NULL, OP_NULL, PREC_REPEAT, 0} |
c906108c SS |
148 | }; |
149 | \f | |
cad351d1 UW |
150 | enum f_primitive_types { |
151 | f_primitive_type_character, | |
152 | f_primitive_type_logical, | |
153 | f_primitive_type_logical_s1, | |
154 | f_primitive_type_logical_s2, | |
ce4b0682 | 155 | f_primitive_type_logical_s8, |
cad351d1 UW |
156 | f_primitive_type_integer, |
157 | f_primitive_type_integer_s2, | |
158 | f_primitive_type_real, | |
159 | f_primitive_type_real_s8, | |
160 | f_primitive_type_real_s16, | |
161 | f_primitive_type_complex_s8, | |
162 | f_primitive_type_complex_s16, | |
163 | f_primitive_type_void, | |
164 | nr_f_primitive_types | |
c906108c SS |
165 | }; |
166 | ||
cad351d1 UW |
167 | static void |
168 | f_language_arch_info (struct gdbarch *gdbarch, | |
169 | struct language_arch_info *lai) | |
170 | { | |
54ef06c7 UW |
171 | const struct builtin_f_type *builtin = builtin_f_type (gdbarch); |
172 | ||
173 | lai->string_char_type = builtin->builtin_character; | |
cad351d1 UW |
174 | lai->primitive_type_vector |
175 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_f_primitive_types + 1, | |
176 | struct type *); | |
177 | ||
178 | lai->primitive_type_vector [f_primitive_type_character] | |
54ef06c7 | 179 | = builtin->builtin_character; |
cad351d1 | 180 | lai->primitive_type_vector [f_primitive_type_logical] |
54ef06c7 | 181 | = builtin->builtin_logical; |
cad351d1 | 182 | lai->primitive_type_vector [f_primitive_type_logical_s1] |
54ef06c7 | 183 | = builtin->builtin_logical_s1; |
cad351d1 | 184 | lai->primitive_type_vector [f_primitive_type_logical_s2] |
54ef06c7 | 185 | = builtin->builtin_logical_s2; |
ce4b0682 SDJ |
186 | lai->primitive_type_vector [f_primitive_type_logical_s8] |
187 | = builtin->builtin_logical_s8; | |
cad351d1 | 188 | lai->primitive_type_vector [f_primitive_type_real] |
54ef06c7 | 189 | = builtin->builtin_real; |
cad351d1 | 190 | lai->primitive_type_vector [f_primitive_type_real_s8] |
54ef06c7 | 191 | = builtin->builtin_real_s8; |
cad351d1 | 192 | lai->primitive_type_vector [f_primitive_type_real_s16] |
54ef06c7 | 193 | = builtin->builtin_real_s16; |
cad351d1 | 194 | lai->primitive_type_vector [f_primitive_type_complex_s8] |
54ef06c7 | 195 | = builtin->builtin_complex_s8; |
cad351d1 | 196 | lai->primitive_type_vector [f_primitive_type_complex_s16] |
54ef06c7 | 197 | = builtin->builtin_complex_s16; |
cad351d1 | 198 | lai->primitive_type_vector [f_primitive_type_void] |
54ef06c7 | 199 | = builtin->builtin_void; |
fbb06eb1 UW |
200 | |
201 | lai->bool_type_symbol = "logical"; | |
202 | lai->bool_type_default = builtin->builtin_logical_s2; | |
cad351d1 UW |
203 | } |
204 | ||
f55ee35c JK |
205 | /* Remove the modules separator :: from the default break list. */ |
206 | ||
67cb5b2d | 207 | static const char * |
f55ee35c JK |
208 | f_word_break_characters (void) |
209 | { | |
210 | static char *retval; | |
211 | ||
212 | if (!retval) | |
213 | { | |
214 | char *s; | |
215 | ||
216 | retval = xstrdup (default_word_break_characters ()); | |
217 | s = strchr (retval, ':'); | |
218 | if (s) | |
219 | { | |
220 | char *last_char = &s[strlen (s) - 1]; | |
221 | ||
222 | *s = *last_char; | |
223 | *last_char = 0; | |
224 | } | |
225 | } | |
226 | return retval; | |
227 | } | |
228 | ||
3e43a32a MS |
229 | /* Consider the modules separator :: as a valid symbol name character |
230 | class. */ | |
f55ee35c | 231 | |
eb3ff9a5 PA |
232 | static void |
233 | f_collect_symbol_completion_matches (completion_tracker &tracker, | |
c6756f62 | 234 | complete_symbol_mode mode, |
b5ec771e | 235 | symbol_name_match_type compare_name, |
eb3ff9a5 PA |
236 | const char *text, const char *word, |
237 | enum type_code code) | |
f55ee35c | 238 | { |
c6756f62 | 239 | default_collect_symbol_completion_matches_break_on (tracker, mode, |
b5ec771e | 240 | compare_name, |
eb3ff9a5 | 241 | text, word, ":", code); |
f55ee35c JK |
242 | } |
243 | ||
9dad4a58 AB |
244 | /* Special expression evaluation cases for Fortran. */ |
245 | struct value * | |
246 | evaluate_subexp_f (struct type *expect_type, struct expression *exp, | |
247 | int *pos, enum noside noside) | |
248 | { | |
4d00f5d8 AB |
249 | struct value *arg1 = NULL; |
250 | enum exp_opcode op; | |
251 | int pc; | |
252 | struct type *type; | |
253 | ||
254 | pc = *pos; | |
255 | *pos += 1; | |
256 | op = exp->elts[pc].opcode; | |
257 | ||
258 | switch (op) | |
259 | { | |
260 | default: | |
261 | *pos -= 1; | |
262 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
263 | ||
0841c79a AB |
264 | case UNOP_ABS: |
265 | arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); | |
266 | if (noside == EVAL_SKIP) | |
267 | return eval_skip_value (exp); | |
268 | type = value_type (arg1); | |
269 | switch (TYPE_CODE (type)) | |
270 | { | |
271 | case TYPE_CODE_FLT: | |
272 | { | |
273 | double d | |
274 | = fabs (target_float_to_host_double (value_contents (arg1), | |
275 | value_type (arg1))); | |
276 | return value_from_host_double (type, d); | |
277 | } | |
278 | case TYPE_CODE_INT: | |
279 | { | |
280 | LONGEST l = value_as_long (arg1); | |
281 | l = llabs (l); | |
282 | return value_from_longest (type, l); | |
283 | } | |
284 | } | |
285 | error (_("ABS of type %s not supported"), TYPE_SAFE_NAME (type)); | |
286 | ||
4d00f5d8 AB |
287 | case UNOP_KIND: |
288 | arg1 = evaluate_subexp (NULL, exp, pos, EVAL_AVOID_SIDE_EFFECTS); | |
289 | type = value_type (arg1); | |
290 | ||
291 | switch (TYPE_CODE (type)) | |
292 | { | |
293 | case TYPE_CODE_STRUCT: | |
294 | case TYPE_CODE_UNION: | |
295 | case TYPE_CODE_MODULE: | |
296 | case TYPE_CODE_FUNC: | |
297 | error (_("argument to kind must be an intrinsic type")); | |
298 | } | |
299 | ||
300 | if (!TYPE_TARGET_TYPE (type)) | |
301 | return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, | |
302 | TYPE_LENGTH (type)); | |
303 | return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, | |
304 | TYPE_LENGTH (TYPE_TARGET_TYPE(type))); | |
305 | } | |
306 | ||
307 | /* Should be unreachable. */ | |
308 | return nullptr; | |
9dad4a58 AB |
309 | } |
310 | ||
56618e20 TT |
311 | static const char *f_extensions[] = |
312 | { | |
313 | ".f", ".F", ".for", ".FOR", ".ftn", ".FTN", ".fpp", ".FPP", | |
314 | ".f90", ".F90", ".f95", ".F95", ".f03", ".F03", ".f08", ".F08", | |
315 | NULL | |
316 | }; | |
317 | ||
9dad4a58 AB |
318 | /* Expression processing for Fortran. */ |
319 | static const struct exp_descriptor exp_descriptor_f = | |
320 | { | |
321 | print_subexp_standard, | |
322 | operator_length_standard, | |
323 | operator_check_standard, | |
324 | op_name_standard, | |
325 | dump_subexp_body_standard, | |
326 | evaluate_subexp_f | |
327 | }; | |
328 | ||
47e77640 | 329 | extern const struct language_defn f_language_defn = |
c5aa993b | 330 | { |
c906108c | 331 | "fortran", |
6abde28f | 332 | "Fortran", |
c906108c | 333 | language_fortran, |
c906108c | 334 | range_check_on, |
63872f9d | 335 | case_sensitive_off, |
7ca2d3a3 | 336 | array_column_major, |
9a044a89 | 337 | macro_expansion_no, |
56618e20 | 338 | f_extensions, |
9dad4a58 | 339 | &exp_descriptor_f, |
c906108c | 340 | f_parse, /* parser */ |
e85c3284 | 341 | null_post_parser, |
c906108c SS |
342 | f_printchar, /* Print character constant */ |
343 | f_printstr, /* function to print string constant */ | |
344 | f_emit_char, /* Function to print a single character */ | |
c5aa993b | 345 | f_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 346 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c | 347 | f_val_print, /* Print a value using appropriate syntax */ |
c5aa993b | 348 | c_value_print, /* FIXME */ |
a5ee536b | 349 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 350 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 351 | NULL, /* name_of_this */ |
59cc4834 | 352 | false, /* la_store_sym_names_in_linkage_form_p */ |
f55ee35c | 353 | cp_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 354 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
8b302db8 TT |
355 | |
356 | /* We could support demangling here to provide module namespaces | |
357 | also for inferiors with only minimal symbol table (ELF symbols). | |
358 | Just the mangling standard is not standardized across compilers | |
359 | and there is no DW_AT_producer available for inferiors with only | |
360 | the ELF symbols to check the mangling kind. */ | |
9a3d7dfd | 361 | NULL, /* Language specific symbol demangler */ |
8b302db8 | 362 | NULL, |
3e43a32a MS |
363 | NULL, /* Language specific |
364 | class_name_from_physname */ | |
c906108c SS |
365 | f_op_print_tab, /* expression operators for printing */ |
366 | 0, /* arrays are first-class (not c-style) */ | |
367 | 1, /* String lower bound */ | |
f55ee35c | 368 | f_word_break_characters, |
eb3ff9a5 | 369 | f_collect_symbol_completion_matches, |
cad351d1 | 370 | f_language_arch_info, |
e79af960 | 371 | default_print_array_index, |
41f1b697 | 372 | default_pass_by_reference, |
ae6a3a4c | 373 | default_get_string, |
43cc5389 | 374 | c_watch_location_expression, |
b5ec771e | 375 | NULL, /* la_get_symbol_name_matcher */ |
f8eba3c6 | 376 | iterate_over_symbols, |
5ffa0793 | 377 | default_search_name_hash, |
a53b64ea | 378 | &default_varobj_ops, |
bb2ec1b3 TT |
379 | NULL, |
380 | NULL, | |
c906108c | 381 | LANG_MAGIC |
c5aa993b | 382 | }; |
c906108c | 383 | |
54ef06c7 UW |
384 | static void * |
385 | build_fortran_types (struct gdbarch *gdbarch) | |
c906108c | 386 | { |
54ef06c7 UW |
387 | struct builtin_f_type *builtin_f_type |
388 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_f_type); | |
389 | ||
e9bb382b | 390 | builtin_f_type->builtin_void |
77b7c781 | 391 | = arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "VOID"); |
e9bb382b UW |
392 | |
393 | builtin_f_type->builtin_character | |
4a270568 | 394 | = arch_type (gdbarch, TYPE_CODE_CHAR, TARGET_CHAR_BIT, "character"); |
e9bb382b UW |
395 | |
396 | builtin_f_type->builtin_logical_s1 | |
397 | = arch_boolean_type (gdbarch, TARGET_CHAR_BIT, 1, "logical*1"); | |
398 | ||
399 | builtin_f_type->builtin_integer_s2 | |
400 | = arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch), 0, | |
401 | "integer*2"); | |
402 | ||
067630bd AB |
403 | builtin_f_type->builtin_integer_s8 |
404 | = arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch), 0, | |
405 | "integer*8"); | |
406 | ||
e9bb382b UW |
407 | builtin_f_type->builtin_logical_s2 |
408 | = arch_boolean_type (gdbarch, gdbarch_short_bit (gdbarch), 1, | |
409 | "logical*2"); | |
410 | ||
ce4b0682 SDJ |
411 | builtin_f_type->builtin_logical_s8 |
412 | = arch_boolean_type (gdbarch, gdbarch_long_long_bit (gdbarch), 1, | |
413 | "logical*8"); | |
414 | ||
e9bb382b UW |
415 | builtin_f_type->builtin_integer |
416 | = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), 0, | |
417 | "integer"); | |
418 | ||
419 | builtin_f_type->builtin_logical | |
420 | = arch_boolean_type (gdbarch, gdbarch_int_bit (gdbarch), 1, | |
421 | "logical*4"); | |
422 | ||
423 | builtin_f_type->builtin_real | |
424 | = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), | |
49f190bc | 425 | "real", gdbarch_float_format (gdbarch)); |
e9bb382b UW |
426 | builtin_f_type->builtin_real_s8 |
427 | = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), | |
49f190bc | 428 | "real*8", gdbarch_double_format (gdbarch)); |
e9bb382b UW |
429 | builtin_f_type->builtin_real_s16 |
430 | = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), | |
49f190bc | 431 | "real*16", gdbarch_long_double_format (gdbarch)); |
e9bb382b UW |
432 | |
433 | builtin_f_type->builtin_complex_s8 | |
434 | = arch_complex_type (gdbarch, "complex*8", | |
435 | builtin_f_type->builtin_real); | |
436 | builtin_f_type->builtin_complex_s16 | |
437 | = arch_complex_type (gdbarch, "complex*16", | |
438 | builtin_f_type->builtin_real_s8); | |
439 | builtin_f_type->builtin_complex_s32 | |
440 | = arch_complex_type (gdbarch, "complex*32", | |
441 | builtin_f_type->builtin_real_s16); | |
54ef06c7 UW |
442 | |
443 | return builtin_f_type; | |
444 | } | |
445 | ||
446 | static struct gdbarch_data *f_type_data; | |
447 | ||
448 | const struct builtin_f_type * | |
449 | builtin_f_type (struct gdbarch *gdbarch) | |
450 | { | |
9a3c8263 | 451 | return (const struct builtin_f_type *) gdbarch_data (gdbarch, f_type_data); |
4e845cd3 MS |
452 | } |
453 | ||
454 | void | |
455 | _initialize_f_language (void) | |
456 | { | |
54ef06c7 | 457 | f_type_data = gdbarch_data_register_post_init (build_fortran_types); |
c906108c | 458 | } |
aa3cfbda RB |
459 | |
460 | /* See f-lang.h. */ | |
461 | ||
462 | struct value * | |
463 | fortran_argument_convert (struct value *value, bool is_artificial) | |
464 | { | |
465 | if (!is_artificial) | |
466 | { | |
467 | /* If the value is not in the inferior e.g. registers values, | |
468 | convenience variables and user input. */ | |
469 | if (VALUE_LVAL (value) != lval_memory) | |
470 | { | |
471 | struct type *type = value_type (value); | |
472 | const int length = TYPE_LENGTH (type); | |
473 | const CORE_ADDR addr | |
474 | = value_as_long (value_allocate_space_in_inferior (length)); | |
475 | write_memory (addr, value_contents (value), length); | |
476 | struct value *val | |
477 | = value_from_contents_and_address (type, value_contents (value), | |
478 | addr); | |
479 | return value_addr (val); | |
480 | } | |
481 | else | |
482 | return value_addr (value); /* Program variables, e.g. arrays. */ | |
483 | } | |
484 | return value; | |
485 | } | |
486 | ||
487 | /* See f-lang.h. */ | |
488 | ||
489 | struct type * | |
490 | fortran_preserve_arg_pointer (struct value *arg, struct type *type) | |
491 | { | |
492 | if (TYPE_CODE (value_type (arg)) == TYPE_CODE_PTR) | |
493 | return value_type (arg); | |
494 | return type; | |
495 | } |