Commit | Line | Data |
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c906108c | 1 | /* Support for printing Fortran values for GDB, the GNU debugger. |
a2bd3dcd | 2 | |
0b302171 JB |
3 | Copyright (C) 1993-1996, 1998-2000, 2003, 2005-2012 Free Software |
4 | Foundation, Inc. | |
a2bd3dcd | 5 | |
c906108c SS |
6 | Contributed by Motorola. Adapted from the C definitions by Farooq Butt |
7 | (fmbutt@engage.sps.mot.com), additionally worked over by Stan Shebs. | |
8 | ||
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 14 | (at your option) any later version. |
c906108c | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
c906108c | 20 | |
c5aa993b | 21 | You should have received a copy of the GNU General Public License |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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 "value.h" | |
c906108c SS |
30 | #include "valprint.h" |
31 | #include "language.h" | |
c5aa993b | 32 | #include "f-lang.h" |
c906108c SS |
33 | #include "frame.h" |
34 | #include "gdbcore.h" | |
35 | #include "command.h" | |
fe898f56 | 36 | #include "block.h" |
c906108c | 37 | |
a14ed312 KB |
38 | extern void _initialize_f_valprint (void); |
39 | static void info_common_command (char *, int); | |
0d5cff50 | 40 | static void list_all_visible_commons (const char *); |
d9fcf2fb JM |
41 | static void f77_create_arrayprint_offset_tbl (struct type *, |
42 | struct ui_file *); | |
a14ed312 | 43 | static void f77_get_dynamic_length_of_aggregate (struct type *); |
c906108c | 44 | |
c5aa993b | 45 | int f77_array_offset_tbl[MAX_FORTRAN_DIMS + 1][2]; |
c906108c SS |
46 | |
47 | /* Array which holds offsets to be applied to get a row's elements | |
0963b4bd | 48 | for a given array. Array also holds the size of each subarray. */ |
c906108c SS |
49 | |
50 | /* The following macro gives us the size of the nth dimension, Where | |
0963b4bd | 51 | n is 1 based. */ |
c906108c SS |
52 | |
53 | #define F77_DIM_SIZE(n) (f77_array_offset_tbl[n][1]) | |
54 | ||
0963b4bd | 55 | /* The following gives us the offset for row n where n is 1-based. */ |
c906108c SS |
56 | |
57 | #define F77_DIM_OFFSET(n) (f77_array_offset_tbl[n][0]) | |
58 | ||
c5aa993b | 59 | int |
d78df370 | 60 | f77_get_lowerbound (struct type *type) |
c906108c | 61 | { |
d78df370 JK |
62 | if (TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED (type)) |
63 | error (_("Lower bound may not be '*' in F77")); | |
c5aa993b | 64 | |
d78df370 | 65 | return TYPE_ARRAY_LOWER_BOUND_VALUE (type); |
c906108c SS |
66 | } |
67 | ||
c5aa993b | 68 | int |
d78df370 | 69 | f77_get_upperbound (struct type *type) |
c906108c | 70 | { |
d78df370 | 71 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
c906108c | 72 | { |
d78df370 JK |
73 | /* We have an assumed size array on our hands. Assume that |
74 | upper_bound == lower_bound so that we show at least 1 element. | |
75 | If the user wants to see more elements, let him manually ask for 'em | |
76 | and we'll subscript the array and show him. */ | |
77 | ||
78 | return f77_get_lowerbound (type); | |
c906108c | 79 | } |
d78df370 JK |
80 | |
81 | return TYPE_ARRAY_UPPER_BOUND_VALUE (type); | |
c906108c SS |
82 | } |
83 | ||
0963b4bd | 84 | /* Obtain F77 adjustable array dimensions. */ |
c906108c SS |
85 | |
86 | static void | |
fba45db2 | 87 | f77_get_dynamic_length_of_aggregate (struct type *type) |
c906108c SS |
88 | { |
89 | int upper_bound = -1; | |
c5aa993b | 90 | int lower_bound = 1; |
c5aa993b | 91 | |
c906108c SS |
92 | /* Recursively go all the way down into a possibly multi-dimensional |
93 | F77 array and get the bounds. For simple arrays, this is pretty | |
94 | easy but when the bounds are dynamic, we must be very careful | |
95 | to add up all the lengths correctly. Not doing this right | |
96 | will lead to horrendous-looking arrays in parameter lists. | |
c5aa993b | 97 | |
c906108c | 98 | This function also works for strings which behave very |
c5aa993b JM |
99 | similarly to arrays. */ |
100 | ||
101 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY | |
102 | || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRING) | |
c906108c | 103 | f77_get_dynamic_length_of_aggregate (TYPE_TARGET_TYPE (type)); |
c5aa993b JM |
104 | |
105 | /* Recursion ends here, start setting up lengths. */ | |
d78df370 JK |
106 | lower_bound = f77_get_lowerbound (type); |
107 | upper_bound = f77_get_upperbound (type); | |
c5aa993b | 108 | |
0963b4bd | 109 | /* Patch in a valid length value. */ |
c5aa993b | 110 | |
c906108c | 111 | TYPE_LENGTH (type) = |
3e43a32a MS |
112 | (upper_bound - lower_bound + 1) |
113 | * TYPE_LENGTH (check_typedef (TYPE_TARGET_TYPE (type))); | |
c5aa993b | 114 | } |
c906108c SS |
115 | |
116 | /* Function that sets up the array offset,size table for the array | |
c5aa993b | 117 | type "type". */ |
c906108c | 118 | |
c5aa993b | 119 | static void |
fba45db2 | 120 | f77_create_arrayprint_offset_tbl (struct type *type, struct ui_file *stream) |
c906108c SS |
121 | { |
122 | struct type *tmp_type; | |
123 | int eltlen; | |
124 | int ndimen = 1; | |
9216103f | 125 | int upper, lower; |
c5aa993b JM |
126 | |
127 | tmp_type = type; | |
128 | ||
129 | while ((TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY)) | |
c906108c | 130 | { |
d78df370 JK |
131 | upper = f77_get_upperbound (tmp_type); |
132 | lower = f77_get_lowerbound (tmp_type); | |
c5aa993b | 133 | |
c906108c | 134 | F77_DIM_SIZE (ndimen) = upper - lower + 1; |
c5aa993b | 135 | |
c906108c | 136 | tmp_type = TYPE_TARGET_TYPE (tmp_type); |
c5aa993b | 137 | ndimen++; |
c906108c | 138 | } |
c5aa993b | 139 | |
c906108c SS |
140 | /* Now we multiply eltlen by all the offsets, so that later we |
141 | can print out array elements correctly. Up till now we | |
142 | know an offset to apply to get the item but we also | |
0963b4bd | 143 | have to know how much to add to get to the next item. */ |
c5aa993b | 144 | |
c906108c | 145 | ndimen--; |
c5aa993b | 146 | eltlen = TYPE_LENGTH (tmp_type); |
c906108c SS |
147 | F77_DIM_OFFSET (ndimen) = eltlen; |
148 | while (--ndimen > 0) | |
149 | { | |
150 | eltlen *= F77_DIM_SIZE (ndimen + 1); | |
151 | F77_DIM_OFFSET (ndimen) = eltlen; | |
152 | } | |
153 | } | |
154 | ||
b3cacbee DL |
155 | |
156 | ||
c906108c SS |
157 | /* Actual function which prints out F77 arrays, Valaddr == address in |
158 | the superior. Address == the address in the inferior. */ | |
7b0090c3 | 159 | |
c5aa993b | 160 | static void |
a2bd3dcd | 161 | f77_print_array_1 (int nss, int ndimensions, struct type *type, |
490f124f PA |
162 | const gdb_byte *valaddr, |
163 | int embedded_offset, CORE_ADDR address, | |
79a45b7d | 164 | struct ui_file *stream, int recurse, |
0e03807e | 165 | const struct value *val, |
79a45b7d | 166 | const struct value_print_options *options, |
b3cacbee | 167 | int *elts) |
c906108c SS |
168 | { |
169 | int i; | |
c5aa993b | 170 | |
c906108c SS |
171 | if (nss != ndimensions) |
172 | { | |
3e43a32a MS |
173 | for (i = 0; |
174 | (i < F77_DIM_SIZE (nss) && (*elts) < options->print_max); | |
175 | i++) | |
c906108c SS |
176 | { |
177 | fprintf_filtered (stream, "( "); | |
178 | f77_print_array_1 (nss + 1, ndimensions, TYPE_TARGET_TYPE (type), | |
490f124f PA |
179 | valaddr, |
180 | embedded_offset + i * F77_DIM_OFFSET (nss), | |
181 | address, | |
0e03807e | 182 | stream, recurse, val, options, elts); |
c906108c SS |
183 | fprintf_filtered (stream, ") "); |
184 | } | |
79a45b7d | 185 | if (*elts >= options->print_max && i < F77_DIM_SIZE (nss)) |
b3cacbee | 186 | fprintf_filtered (stream, "..."); |
c906108c SS |
187 | } |
188 | else | |
189 | { | |
79a45b7d | 190 | for (i = 0; i < F77_DIM_SIZE (nss) && (*elts) < options->print_max; |
7b0090c3 | 191 | i++, (*elts)++) |
c906108c SS |
192 | { |
193 | val_print (TYPE_TARGET_TYPE (type), | |
490f124f PA |
194 | valaddr, |
195 | embedded_offset + i * F77_DIM_OFFSET (ndimensions), | |
196 | address, stream, recurse, | |
197 | val, options, current_language); | |
c906108c SS |
198 | |
199 | if (i != (F77_DIM_SIZE (nss) - 1)) | |
c5aa993b JM |
200 | fprintf_filtered (stream, ", "); |
201 | ||
79a45b7d TT |
202 | if ((*elts == options->print_max - 1) |
203 | && (i != (F77_DIM_SIZE (nss) - 1))) | |
c906108c SS |
204 | fprintf_filtered (stream, "..."); |
205 | } | |
206 | } | |
207 | } | |
208 | ||
209 | /* This function gets called to print an F77 array, we set up some | |
0963b4bd | 210 | stuff and then immediately call f77_print_array_1(). */ |
c906108c | 211 | |
c5aa993b | 212 | static void |
fc1a4b47 | 213 | f77_print_array (struct type *type, const gdb_byte *valaddr, |
490f124f | 214 | int embedded_offset, |
a2bd3dcd | 215 | CORE_ADDR address, struct ui_file *stream, |
0e03807e TT |
216 | int recurse, |
217 | const struct value *val, | |
218 | const struct value_print_options *options) | |
c906108c | 219 | { |
c5aa993b | 220 | int ndimensions; |
b3cacbee | 221 | int elts = 0; |
c5aa993b JM |
222 | |
223 | ndimensions = calc_f77_array_dims (type); | |
224 | ||
c906108c | 225 | if (ndimensions > MAX_FORTRAN_DIMS || ndimensions < 0) |
3e43a32a MS |
226 | error (_("\ |
227 | Type node corrupt! F77 arrays cannot have %d subscripts (%d Max)"), | |
c906108c | 228 | ndimensions, MAX_FORTRAN_DIMS); |
c5aa993b | 229 | |
c906108c | 230 | /* Since F77 arrays are stored column-major, we set up an |
0963b4bd MS |
231 | offset table to get at the various row's elements. The |
232 | offset table contains entries for both offset and subarray size. */ | |
c906108c | 233 | |
c5aa993b JM |
234 | f77_create_arrayprint_offset_tbl (type, stream); |
235 | ||
490f124f PA |
236 | f77_print_array_1 (1, ndimensions, type, valaddr, embedded_offset, |
237 | address, stream, recurse, val, options, &elts); | |
c5aa993b | 238 | } |
c906108c | 239 | \f |
c5aa993b | 240 | |
e88acd96 TT |
241 | /* Decorations for Fortran. */ |
242 | ||
243 | static const struct generic_val_print_decorations f_decorations = | |
244 | { | |
245 | "(", | |
246 | ",", | |
247 | ")", | |
248 | ".TRUE.", | |
249 | ".FALSE.", | |
250 | "VOID", | |
251 | }; | |
252 | ||
32b72a42 | 253 | /* See val_print for a description of the various parameters of this |
d3eab38a | 254 | function; they are identical. */ |
c906108c | 255 | |
d3eab38a | 256 | void |
fc1a4b47 | 257 | f_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
79a45b7d | 258 | CORE_ADDR address, struct ui_file *stream, int recurse, |
0e03807e | 259 | const struct value *original_value, |
79a45b7d | 260 | const struct value_print_options *options) |
c906108c | 261 | { |
50810684 | 262 | struct gdbarch *gdbarch = get_type_arch (type); |
e17a4113 | 263 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
0963b4bd | 264 | unsigned int i = 0; /* Number of characters printed. */ |
c906108c | 265 | struct type *elttype; |
c906108c | 266 | CORE_ADDR addr; |
2a5e440c | 267 | int index; |
c5aa993b | 268 | |
c906108c SS |
269 | CHECK_TYPEDEF (type); |
270 | switch (TYPE_CODE (type)) | |
271 | { | |
c5aa993b | 272 | case TYPE_CODE_STRING: |
c906108c | 273 | f77_get_dynamic_length_of_aggregate (type); |
50810684 | 274 | LA_PRINT_STRING (stream, builtin_type (gdbarch)->builtin_char, |
490f124f PA |
275 | valaddr + embedded_offset, |
276 | TYPE_LENGTH (type), NULL, 0, options); | |
c906108c | 277 | break; |
c5aa993b | 278 | |
c906108c | 279 | case TYPE_CODE_ARRAY: |
3b2b8fea TT |
280 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_CHAR) |
281 | { | |
282 | fprintf_filtered (stream, "("); | |
283 | f77_print_array (type, valaddr, embedded_offset, | |
284 | address, stream, recurse, original_value, options); | |
285 | fprintf_filtered (stream, ")"); | |
286 | } | |
287 | else | |
288 | { | |
289 | struct type *ch_type = TYPE_TARGET_TYPE (type); | |
290 | ||
291 | f77_get_dynamic_length_of_aggregate (type); | |
292 | LA_PRINT_STRING (stream, ch_type, | |
293 | valaddr + embedded_offset, | |
294 | TYPE_LENGTH (type) / TYPE_LENGTH (ch_type), | |
295 | NULL, 0, options); | |
296 | } | |
c906108c | 297 | break; |
7e86466e | 298 | |
c906108c | 299 | case TYPE_CODE_PTR: |
79a45b7d | 300 | if (options->format && options->format != 's') |
c906108c | 301 | { |
ab2188aa PA |
302 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
303 | original_value, options, 0, stream); | |
c906108c SS |
304 | break; |
305 | } | |
306 | else | |
307 | { | |
b012acdd TT |
308 | int want_space = 0; |
309 | ||
490f124f | 310 | addr = unpack_pointer (type, valaddr + embedded_offset); |
c906108c | 311 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
c5aa993b | 312 | |
c906108c SS |
313 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) |
314 | { | |
315 | /* Try to print what function it points to. */ | |
edf0c1b7 | 316 | print_function_pointer_address (options, gdbarch, addr, stream); |
d3eab38a | 317 | return; |
c906108c | 318 | } |
c5aa993b | 319 | |
9cb709b6 TT |
320 | if (options->symbol_print) |
321 | want_space = print_address_demangle (options, gdbarch, addr, | |
322 | stream, demangle); | |
323 | else if (options->addressprint && options->format != 's') | |
b012acdd TT |
324 | { |
325 | fputs_filtered (paddress (gdbarch, addr), stream); | |
326 | want_space = 1; | |
327 | } | |
c5aa993b | 328 | |
c906108c SS |
329 | /* For a pointer to char or unsigned char, also print the string |
330 | pointed to, unless pointer is null. */ | |
331 | if (TYPE_LENGTH (elttype) == 1 | |
332 | && TYPE_CODE (elttype) == TYPE_CODE_INT | |
79a45b7d | 333 | && (options->format == 0 || options->format == 's') |
c906108c | 334 | && addr != 0) |
b012acdd TT |
335 | { |
336 | if (want_space) | |
337 | fputs_filtered (" ", stream); | |
338 | i = val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1, | |
339 | stream, options); | |
340 | } | |
d3eab38a | 341 | return; |
7e86466e RH |
342 | } |
343 | break; | |
344 | ||
c906108c | 345 | case TYPE_CODE_INT: |
79a45b7d TT |
346 | if (options->format || options->output_format) |
347 | { | |
348 | struct value_print_options opts = *options; | |
bb9bcb69 | 349 | |
79a45b7d TT |
350 | opts.format = (options->format ? options->format |
351 | : options->output_format); | |
ab2188aa PA |
352 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
353 | original_value, options, 0, stream); | |
79a45b7d | 354 | } |
c906108c SS |
355 | else |
356 | { | |
490f124f | 357 | val_print_type_code_int (type, valaddr + embedded_offset, stream); |
c906108c SS |
358 | /* C and C++ has no single byte int type, char is used instead. |
359 | Since we don't know whether the value is really intended to | |
360 | be used as an integer or a character, print the character | |
0963b4bd | 361 | equivalent as well. */ |
e88acd96 | 362 | if (TYPE_LENGTH (type) == 1) |
c906108c | 363 | { |
490f124f PA |
364 | LONGEST c; |
365 | ||
c906108c | 366 | fputs_filtered (" ", stream); |
490f124f PA |
367 | c = unpack_long (type, valaddr + embedded_offset); |
368 | LA_PRINT_CHAR ((unsigned char) c, type, stream); | |
c906108c SS |
369 | } |
370 | } | |
371 | break; | |
c5aa993b | 372 | |
2a5e440c | 373 | case TYPE_CODE_STRUCT: |
9eec4d1e | 374 | case TYPE_CODE_UNION: |
2a5e440c WZ |
375 | /* Starting from the Fortran 90 standard, Fortran supports derived |
376 | types. */ | |
9eec4d1e | 377 | fprintf_filtered (stream, "( "); |
2a5e440c WZ |
378 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
379 | { | |
380 | int offset = TYPE_FIELD_BITPOS (type, index) / 8; | |
bb9bcb69 | 381 | |
490f124f PA |
382 | val_print (TYPE_FIELD_TYPE (type, index), valaddr, |
383 | embedded_offset + offset, | |
384 | address, stream, recurse + 1, | |
0e03807e | 385 | original_value, options, current_language); |
2a5e440c WZ |
386 | if (index != TYPE_NFIELDS (type) - 1) |
387 | fputs_filtered (", ", stream); | |
388 | } | |
9eec4d1e | 389 | fprintf_filtered (stream, " )"); |
2a5e440c WZ |
390 | break; |
391 | ||
e88acd96 TT |
392 | case TYPE_CODE_REF: |
393 | case TYPE_CODE_FUNC: | |
394 | case TYPE_CODE_FLAGS: | |
395 | case TYPE_CODE_FLT: | |
396 | case TYPE_CODE_VOID: | |
397 | case TYPE_CODE_ERROR: | |
398 | case TYPE_CODE_RANGE: | |
399 | case TYPE_CODE_UNDEF: | |
400 | case TYPE_CODE_COMPLEX: | |
401 | case TYPE_CODE_BOOL: | |
402 | case TYPE_CODE_CHAR: | |
c906108c | 403 | default: |
e88acd96 TT |
404 | generic_val_print (type, valaddr, embedded_offset, address, |
405 | stream, recurse, original_value, options, | |
406 | &f_decorations); | |
407 | break; | |
c906108c SS |
408 | } |
409 | gdb_flush (stream); | |
c906108c SS |
410 | } |
411 | ||
412 | static void | |
0d5cff50 | 413 | list_all_visible_commons (const char *funname) |
c906108c | 414 | { |
c5aa993b JM |
415 | SAVED_F77_COMMON_PTR tmp; |
416 | ||
c906108c | 417 | tmp = head_common_list; |
c5aa993b | 418 | |
a3f17187 | 419 | printf_filtered (_("All COMMON blocks visible at this level:\n\n")); |
c5aa993b | 420 | |
c906108c SS |
421 | while (tmp != NULL) |
422 | { | |
762f08a3 | 423 | if (strcmp (tmp->owning_function, funname) == 0) |
c5aa993b JM |
424 | printf_filtered ("%s\n", tmp->name); |
425 | ||
c906108c SS |
426 | tmp = tmp->next; |
427 | } | |
428 | } | |
429 | ||
430 | /* This function is used to print out the values in a given COMMON | |
0963b4bd MS |
431 | block. It will always use the most local common block of the |
432 | given name. */ | |
c906108c | 433 | |
c5aa993b | 434 | static void |
fba45db2 | 435 | info_common_command (char *comname, int from_tty) |
c906108c | 436 | { |
c5aa993b JM |
437 | SAVED_F77_COMMON_PTR the_common; |
438 | COMMON_ENTRY_PTR entry; | |
c906108c | 439 | struct frame_info *fi; |
0d5cff50 | 440 | const char *funname = 0; |
c906108c | 441 | struct symbol *func; |
c5aa993b | 442 | |
c906108c SS |
443 | /* We have been told to display the contents of F77 COMMON |
444 | block supposedly visible in this function. Let us | |
445 | first make sure that it is visible and if so, let | |
0963b4bd | 446 | us display its contents. */ |
c5aa993b | 447 | |
206415a3 | 448 | fi = get_selected_frame (_("No frame selected")); |
c5aa993b | 449 | |
c906108c | 450 | /* The following is generally ripped off from stack.c's routine |
0963b4bd | 451 | print_frame_info(). */ |
c5aa993b | 452 | |
bdd78e62 | 453 | func = find_pc_function (get_frame_pc (fi)); |
c906108c SS |
454 | if (func) |
455 | { | |
456 | /* In certain pathological cases, the symtabs give the wrong | |
c5aa993b JM |
457 | function (when we are in the first function in a file which |
458 | is compiled without debugging symbols, the previous function | |
459 | is compiled with debugging symbols, and the "foo.o" symbol | |
460 | that is supposed to tell us where the file with debugging symbols | |
461 | ends has been truncated by ar because it is longer than 15 | |
462 | characters). | |
463 | ||
464 | So look in the minimal symbol tables as well, and if it comes | |
465 | up with a larger address for the function use that instead. | |
466 | I don't think this can ever cause any problems; there shouldn't | |
467 | be any minimal symbols in the middle of a function. | |
0963b4bd | 468 | FIXME: (Not necessarily true. What about text labels?) */ |
c5aa993b | 469 | |
7c6e0d48 MS |
470 | struct minimal_symbol *msymbol = |
471 | lookup_minimal_symbol_by_pc (get_frame_pc (fi)); | |
c5aa993b | 472 | |
c906108c | 473 | if (msymbol != NULL |
c5aa993b | 474 | && (SYMBOL_VALUE_ADDRESS (msymbol) |
c906108c | 475 | > BLOCK_START (SYMBOL_BLOCK_VALUE (func)))) |
3567439c | 476 | funname = SYMBOL_LINKAGE_NAME (msymbol); |
c906108c | 477 | else |
3567439c | 478 | funname = SYMBOL_LINKAGE_NAME (func); |
c906108c SS |
479 | } |
480 | else | |
481 | { | |
aa1ee363 | 482 | struct minimal_symbol *msymbol = |
bb9bcb69 | 483 | lookup_minimal_symbol_by_pc (get_frame_pc (fi)); |
c5aa993b | 484 | |
c906108c | 485 | if (msymbol != NULL) |
3567439c | 486 | funname = SYMBOL_LINKAGE_NAME (msymbol); |
7c6e0d48 MS |
487 | else /* Got no 'funname', code below will fail. */ |
488 | error (_("No function found for frame.")); | |
c906108c | 489 | } |
c5aa993b | 490 | |
c906108c | 491 | /* If comname is NULL, we assume the user wishes to see the |
0963b4bd | 492 | which COMMON blocks are visible here and then return. */ |
c5aa993b | 493 | |
c906108c SS |
494 | if (comname == 0) |
495 | { | |
496 | list_all_visible_commons (funname); | |
c5aa993b | 497 | return; |
c906108c | 498 | } |
c5aa993b JM |
499 | |
500 | the_common = find_common_for_function (comname, funname); | |
501 | ||
c906108c SS |
502 | if (the_common) |
503 | { | |
8f043999 JK |
504 | struct frame_id frame_id = get_frame_id (fi); |
505 | ||
762f08a3 | 506 | if (strcmp (comname, BLANK_COMMON_NAME_LOCAL) == 0) |
a3f17187 | 507 | printf_filtered (_("Contents of blank COMMON block:\n")); |
c5aa993b | 508 | else |
a3f17187 | 509 | printf_filtered (_("Contents of F77 COMMON block '%s':\n"), comname); |
c5aa993b JM |
510 | |
511 | printf_filtered ("\n"); | |
512 | entry = the_common->entries; | |
513 | ||
c906108c SS |
514 | while (entry != NULL) |
515 | { | |
8f043999 JK |
516 | fi = frame_find_by_id (frame_id); |
517 | if (fi == NULL) | |
518 | { | |
519 | warning (_("Unable to restore previously selected frame.")); | |
520 | break; | |
521 | } | |
522 | ||
aad95b57 | 523 | print_variable_and_value (NULL, entry->symbol, fi, gdb_stdout, 0); |
8f043999 JK |
524 | |
525 | /* print_variable_and_value invalidates FI. */ | |
526 | fi = NULL; | |
527 | ||
c5aa993b | 528 | entry = entry->next; |
c906108c SS |
529 | } |
530 | } | |
c5aa993b | 531 | else |
a3f17187 | 532 | printf_filtered (_("Cannot locate the common block %s in function '%s'\n"), |
c5aa993b | 533 | comname, funname); |
c906108c SS |
534 | } |
535 | ||
c906108c | 536 | void |
fba45db2 | 537 | _initialize_f_valprint (void) |
c906108c SS |
538 | { |
539 | add_info ("common", info_common_command, | |
1bedd215 | 540 | _("Print out the values contained in a Fortran COMMON block.")); |
c906108c | 541 | if (xdb_commands) |
c5aa993b | 542 | add_com ("lc", class_info, info_common_command, |
1bedd215 | 543 | _("Print out the values contained in a Fortran COMMON block.")); |
c906108c | 544 | } |