1 /* Fortran language support routines for GDB, the GNU debugger.
3 Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
4 2004, 2005, 2007 Free Software Foundation, Inc.
6 Contributed by Motorola. Adapted from the C parser by Farooq Butt
7 (fmbutt@engage.sps.mot.com).
9 This file is part of GDB.
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
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
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.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
27 #include "gdb_string.h"
30 #include "expression.h"
31 #include "parser-defs.h"
37 /* The built-in types of F77. FIXME: integer*4 is missing, plain
38 logical is missing (builtin_type_logical is logical*4). */
40 struct type *builtin_type_f_character;
41 struct type *builtin_type_f_logical;
42 struct type *builtin_type_f_logical_s1;
43 struct type *builtin_type_f_logical_s2;
44 struct type *builtin_type_f_integer;
45 struct type *builtin_type_f_integer_s2;
46 struct type *builtin_type_f_real;
47 struct type *builtin_type_f_real_s8;
48 struct type *builtin_type_f_real_s16;
49 struct type *builtin_type_f_complex_s8;
50 struct type *builtin_type_f_complex_s16;
51 struct type *builtin_type_f_complex_s32;
52 struct type *builtin_type_f_void;
54 /* Following is dubious stuff that had been in the xcoff reader. */
58 long line_offset; /* Line offset for function */
59 struct saved_fcn *next;
63 struct saved_bf_symnum
65 long symnum_fcn; /* Symnum of function (i.e. .function directive) */
66 long symnum_bf; /* Symnum of .bf for this function */
67 struct saved_bf_symnum *next;
70 typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR;
71 typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR;
75 extern void _initialize_f_language (void);
77 static void clear_function_list (void);
78 static long get_bf_for_fcn (long);
79 static void clear_bf_list (void);
80 static void patch_all_commons_by_name (char *, CORE_ADDR, int);
81 static SAVED_F77_COMMON_PTR find_first_common_named (char *);
82 static void add_common_entry (struct symbol *);
83 static void add_common_block (char *, CORE_ADDR, int, char *);
84 static SAVED_FUNCTION *allocate_saved_function_node (void);
85 static SAVED_BF_PTR allocate_saved_bf_node (void);
86 static COMMON_ENTRY_PTR allocate_common_entry_node (void);
87 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node (void);
88 static void patch_common_entries (SAVED_F77_COMMON_PTR, CORE_ADDR, int);
91 static struct type *f_create_fundamental_type (struct objfile *, int);
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);
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. */
102 f_emit_char (int c, struct ui_file *stream, int quoter)
104 c &= 0xFF; /* Avoid sign bit follies */
106 if (PRINT_LITERAL_FORM (c))
108 if (c == '\\' || c == quoter)
109 fputs_filtered ("\\", stream);
110 fprintf_filtered (stream, "%c", c);
117 fputs_filtered ("\\n", stream);
120 fputs_filtered ("\\b", stream);
123 fputs_filtered ("\\t", stream);
126 fputs_filtered ("\\f", stream);
129 fputs_filtered ("\\r", stream);
132 fputs_filtered ("\\e", stream);
135 fputs_filtered ("\\a", stream);
138 fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
144 /* FIXME: This is a copy of the same function from c-exp.y. It should
145 be replaced with a true F77version. */
148 f_printchar (int c, struct ui_file *stream)
150 fputs_filtered ("'", stream);
151 LA_EMIT_CHAR (c, stream, '\'');
152 fputs_filtered ("'", stream);
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. */
163 f_printstr (struct ui_file *stream, const gdb_byte *string,
164 unsigned int length, int width, int force_ellipses)
167 unsigned int things_printed = 0;
173 fputs_filtered ("''", gdb_stdout);
177 for (i = 0; i < length && things_printed < print_max; ++i)
179 /* Position of the character we are examining
180 to see whether it is repeated. */
182 /* Number of repetitions we have detected so far. */
189 fputs_filtered (", ", stream);
195 while (rep1 < length && string[rep1] == string[i])
201 if (reps > repeat_count_threshold)
206 fputs_filtered ("\\', ", stream);
208 fputs_filtered ("', ", stream);
211 f_printchar (string[i], stream);
212 fprintf_filtered (stream, " <repeats %u times>", reps);
214 things_printed += repeat_count_threshold;
222 fputs_filtered ("\\'", stream);
224 fputs_filtered ("'", stream);
227 LA_EMIT_CHAR (string[i], stream, '"');
232 /* Terminate the quotes if necessary. */
236 fputs_filtered ("\\'", stream);
238 fputs_filtered ("'", stream);
241 if (force_ellipses || i < length)
242 fputs_filtered ("...", stream);
245 /* FIXME: This is a copy of c_create_fundamental_type(), before
246 all the non-C types were stripped from it. Needs to be fixed
247 by an experienced F77 programmer. */
250 f_create_fundamental_type (struct objfile *objfile, int typeid)
252 struct type *type = NULL;
257 type = init_type (TYPE_CODE_VOID,
258 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
262 type = init_type (TYPE_CODE_BOOL,
263 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
264 TYPE_FLAG_UNSIGNED, "boolean", objfile);
267 type = init_type (TYPE_CODE_STRING,
268 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
269 0, "string", objfile);
272 type = init_type (TYPE_CODE_INT,
273 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
274 0, "character", objfile);
277 type = init_type (TYPE_CODE_INT,
278 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
279 0, "integer*1", objfile);
281 case FT_UNSIGNED_CHAR:
282 type = init_type (TYPE_CODE_BOOL,
283 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
284 TYPE_FLAG_UNSIGNED, "logical*1", objfile);
287 type = init_type (TYPE_CODE_INT,
288 gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
289 0, "integer*2", objfile);
291 case FT_SIGNED_SHORT:
292 type = init_type (TYPE_CODE_INT,
293 gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
294 0, "short", objfile); /* FIXME-fnf */
296 case FT_UNSIGNED_SHORT:
297 type = init_type (TYPE_CODE_BOOL,
298 gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
299 TYPE_FLAG_UNSIGNED, "logical*2", objfile);
302 type = init_type (TYPE_CODE_INT,
303 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
304 0, "integer*4", objfile);
306 case FT_SIGNED_INTEGER:
307 type = init_type (TYPE_CODE_INT,
308 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
309 0, "integer", objfile); /* FIXME -fnf */
311 case FT_UNSIGNED_INTEGER:
312 type = init_type (TYPE_CODE_BOOL,
313 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
314 TYPE_FLAG_UNSIGNED, "logical*4", objfile);
316 case FT_FIXED_DECIMAL:
317 type = init_type (TYPE_CODE_INT,
318 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
319 0, "fixed decimal", objfile);
322 type = init_type (TYPE_CODE_INT,
323 gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
327 type = init_type (TYPE_CODE_INT,
328 gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
329 0, "long", objfile); /* FIXME -fnf */
331 case FT_UNSIGNED_LONG:
332 type = init_type (TYPE_CODE_INT,
333 gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
334 TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
337 type = init_type (TYPE_CODE_INT,
338 gdbarch_long_long_bit (current_gdbarch)
340 0, "long long", objfile);
342 case FT_SIGNED_LONG_LONG:
343 type = init_type (TYPE_CODE_INT,
344 gdbarch_long_long_bit (current_gdbarch)
346 0, "signed long long", objfile);
348 case FT_UNSIGNED_LONG_LONG:
349 type = init_type (TYPE_CODE_INT,
350 gdbarch_long_long_bit (current_gdbarch)
352 TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
355 type = init_type (TYPE_CODE_FLT,
356 gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
359 case FT_DBL_PREC_FLOAT:
360 type = init_type (TYPE_CODE_FLT,
361 gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
362 0, "real*8", objfile);
364 case FT_FLOAT_DECIMAL:
365 type = init_type (TYPE_CODE_FLT,
366 gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
367 0, "floating decimal", objfile);
369 case FT_EXT_PREC_FLOAT:
370 type = init_type (TYPE_CODE_FLT,
371 gdbarch_long_double_bit (current_gdbarch)
373 0, "real*16", objfile);
376 type = init_type (TYPE_CODE_COMPLEX,
377 2 * gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
378 0, "complex*8", objfile);
379 TYPE_TARGET_TYPE (type) = builtin_type_f_real;
381 case FT_DBL_PREC_COMPLEX:
382 type = init_type (TYPE_CODE_COMPLEX,
383 2 * gdbarch_double_bit (current_gdbarch)
385 0, "complex*16", objfile);
386 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
388 case FT_EXT_PREC_COMPLEX:
389 type = init_type (TYPE_CODE_COMPLEX,
390 2 * gdbarch_long_double_bit (current_gdbarch)
392 0, "complex*32", objfile);
393 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
396 /* FIXME: For now, if we are asked to produce a type not in this
397 language, create the equivalent of a C integer type with the
398 name "<?type?>". When all the dust settles from the type
399 reconstruction work, this should probably become an error. */
400 type = init_type (TYPE_CODE_INT,
401 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
402 0, "<?type?>", objfile);
403 warning (_("internal error: no F77 fundamental type %d"), typeid);
410 /* Table of operators and their precedences for printing expressions. */
412 static const struct op_print f_op_print_tab[] =
414 {"+", BINOP_ADD, PREC_ADD, 0},
415 {"+", UNOP_PLUS, PREC_PREFIX, 0},
416 {"-", BINOP_SUB, PREC_ADD, 0},
417 {"-", UNOP_NEG, PREC_PREFIX, 0},
418 {"*", BINOP_MUL, PREC_MUL, 0},
419 {"/", BINOP_DIV, PREC_MUL, 0},
420 {"DIV", BINOP_INTDIV, PREC_MUL, 0},
421 {"MOD", BINOP_REM, PREC_MUL, 0},
422 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
423 {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
424 {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
425 {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
426 {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
427 {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
428 {".LE.", BINOP_LEQ, PREC_ORDER, 0},
429 {".GE.", BINOP_GEQ, PREC_ORDER, 0},
430 {".GT.", BINOP_GTR, PREC_ORDER, 0},
431 {".LT.", BINOP_LESS, PREC_ORDER, 0},
432 {"**", UNOP_IND, PREC_PREFIX, 0},
433 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
437 enum f_primitive_types {
438 f_primitive_type_character,
439 f_primitive_type_logical,
440 f_primitive_type_logical_s1,
441 f_primitive_type_logical_s2,
442 f_primitive_type_integer,
443 f_primitive_type_integer_s2,
444 f_primitive_type_real,
445 f_primitive_type_real_s8,
446 f_primitive_type_real_s16,
447 f_primitive_type_complex_s8,
448 f_primitive_type_complex_s16,
449 f_primitive_type_void,
454 f_language_arch_info (struct gdbarch *gdbarch,
455 struct language_arch_info *lai)
457 lai->string_char_type = builtin_type_f_character;
458 lai->primitive_type_vector
459 = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_f_primitive_types + 1,
462 lai->primitive_type_vector [f_primitive_type_character]
463 = builtin_type_f_character;
464 lai->primitive_type_vector [f_primitive_type_logical]
465 = builtin_type_f_logical;
466 lai->primitive_type_vector [f_primitive_type_logical_s1]
467 = builtin_type_f_logical_s1;
468 lai->primitive_type_vector [f_primitive_type_logical_s2]
469 = builtin_type_f_logical_s2;
470 lai->primitive_type_vector [f_primitive_type_real]
471 = builtin_type_f_real;
472 lai->primitive_type_vector [f_primitive_type_real_s8]
473 = builtin_type_f_real_s8;
474 lai->primitive_type_vector [f_primitive_type_real_s16]
475 = builtin_type_f_real_s16;
476 lai->primitive_type_vector [f_primitive_type_complex_s8]
477 = builtin_type_f_complex_s8;
478 lai->primitive_type_vector [f_primitive_type_complex_s16]
479 = builtin_type_f_complex_s16;
480 lai->primitive_type_vector [f_primitive_type_void]
481 = builtin_type_f_void;
484 /* This is declared in c-lang.h but it is silly to import that file for what
485 is already just a hack. */
486 extern int c_value_print (struct value *, struct ui_file *, int,
487 enum val_prettyprint);
489 const struct language_defn f_language_defn =
498 &exp_descriptor_standard,
499 f_parse, /* parser */
500 f_error, /* parser error function */
502 f_printchar, /* Print character constant */
503 f_printstr, /* function to print string constant */
504 f_emit_char, /* Function to print a single character */
505 f_create_fundamental_type, /* Create fundamental type in this language */
506 f_print_type, /* Print a type using appropriate syntax */
507 f_val_print, /* Print a value using appropriate syntax */
508 c_value_print, /* FIXME */
509 NULL, /* Language specific skip_trampoline */
510 value_of_this, /* value_of_this */
511 basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
512 basic_lookup_transparent_type,/* lookup_transparent_type */
513 NULL, /* Language specific symbol demangler */
514 NULL, /* Language specific class_name_from_physname */
515 f_op_print_tab, /* expression operators for printing */
516 0, /* arrays are first-class (not c-style) */
517 1, /* String lower bound */
519 default_word_break_characters,
520 f_language_arch_info,
521 default_print_array_index,
526 build_fortran_types (void)
528 builtin_type_f_void =
529 init_type (TYPE_CODE_VOID, 1,
531 "VOID", (struct objfile *) NULL);
533 builtin_type_f_character =
534 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
536 "character", (struct objfile *) NULL);
538 builtin_type_f_logical_s1 =
539 init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
541 "logical*1", (struct objfile *) NULL);
543 builtin_type_f_integer_s2 =
544 init_type (TYPE_CODE_INT,
545 gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
546 0, "integer*2", (struct objfile *) NULL);
548 builtin_type_f_logical_s2 =
549 init_type (TYPE_CODE_BOOL,
550 gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
551 TYPE_FLAG_UNSIGNED, "logical*2", (struct objfile *) NULL);
553 builtin_type_f_integer =
554 init_type (TYPE_CODE_INT,
555 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
556 0, "integer", (struct objfile *) NULL);
558 builtin_type_f_logical =
559 init_type (TYPE_CODE_BOOL,
560 gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
561 TYPE_FLAG_UNSIGNED, "logical*4", (struct objfile *) NULL);
563 builtin_type_f_real =
564 init_type (TYPE_CODE_FLT,
565 gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
567 "real", (struct objfile *) NULL);
569 builtin_type_f_real_s8 =
570 init_type (TYPE_CODE_FLT,
571 gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
573 "real*8", (struct objfile *) NULL);
575 builtin_type_f_real_s16 =
576 init_type (TYPE_CODE_FLT,
577 gdbarch_long_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
579 "real*16", (struct objfile *) NULL);
581 builtin_type_f_complex_s8 =
582 init_type (TYPE_CODE_COMPLEX,
583 2 * gdbarch_float_bit (current_gdbarch) / TARGET_CHAR_BIT,
585 "complex*8", (struct objfile *) NULL);
586 TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real;
588 builtin_type_f_complex_s16 =
589 init_type (TYPE_CODE_COMPLEX,
590 2 * gdbarch_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
592 "complex*16", (struct objfile *) NULL);
593 TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8;
595 /* We have a new size == 4 double floats for the
596 complex*32 data type */
598 builtin_type_f_complex_s32 =
599 init_type (TYPE_CODE_COMPLEX,
600 2 * gdbarch_long_double_bit (current_gdbarch) / TARGET_CHAR_BIT,
602 "complex*32", (struct objfile *) NULL);
603 TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16;
607 _initialize_f_language (void)
609 build_fortran_types ();
611 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_character);
612 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical);
613 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s1);
614 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s2);
615 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer);
616 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer_s2);
617 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real);
618 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s8);
619 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s16);
620 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s8);
621 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s16);
622 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s32);
623 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_void);
624 deprecated_register_gdbarch_swap (NULL, 0, build_fortran_types);
626 add_language (&f_language_defn);
631 allocate_saved_bf_node (void)
635 new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
639 static SAVED_FUNCTION *
640 allocate_saved_function_node (void)
644 new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
648 static SAVED_F77_COMMON_PTR
649 allocate_saved_f77_common_node (void)
651 SAVED_F77_COMMON_PTR new;
653 new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
657 static COMMON_ENTRY_PTR
658 allocate_common_entry_node (void)
660 COMMON_ENTRY_PTR new;
662 new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
667 SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */
668 SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */
669 SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */
672 static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function)
674 static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */
675 static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list
678 static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
681 /* The following function simply enters a given common block onto
682 the global common block chain */
685 add_common_block (char *name, CORE_ADDR offset, int secnum, char *func_stab)
687 SAVED_F77_COMMON_PTR tmp;
688 char *c, *local_copy_func_stab;
690 /* If the COMMON block we are trying to add has a blank
691 name (i.e. "#BLNK_COM") then we set it to __BLANK
692 because the darn "#" character makes GDB's input
696 if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
697 || strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
701 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
702 strcpy (name, BLANK_COMMON_NAME_LOCAL);
705 tmp = allocate_saved_f77_common_node ();
707 local_copy_func_stab = xmalloc (strlen (func_stab) + 1);
708 strcpy (local_copy_func_stab, func_stab);
710 tmp->name = xmalloc (strlen (name) + 1);
712 /* local_copy_func_stab is a stabstring, let us first extract the
713 function name from the stab by NULLing out the ':' character. */
717 c = strchr (local_copy_func_stab, ':');
722 error (_("Malformed function STAB found in add_common_block()"));
725 tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1);
727 strcpy (tmp->owning_function, local_copy_func_stab);
729 strcpy (tmp->name, name);
730 tmp->offset = offset;
733 tmp->secnum = secnum;
735 current_common = tmp;
737 if (head_common_list == NULL)
739 head_common_list = tail_common_list = tmp;
743 tail_common_list->next = tmp;
744 tail_common_list = tmp;
749 /* The following function simply enters a given common entry onto
750 the "current_common" block that has been saved away. */
754 add_common_entry (struct symbol *entry_sym_ptr)
756 COMMON_ENTRY_PTR tmp;
760 /* The order of this list is important, since
761 we expect the entries to appear in decl.
762 order when we later issue "info common" calls */
764 tmp = allocate_common_entry_node ();
767 tmp->symbol = entry_sym_ptr;
769 if (current_common == NULL)
770 error (_("Attempt to add COMMON entry with no block open!"));
773 if (current_common->entries == NULL)
775 current_common->entries = tmp;
776 current_common->end_of_entries = tmp;
780 current_common->end_of_entries->next = tmp;
781 current_common->end_of_entries = tmp;
787 /* This routine finds the first encountred COMMON block named "name" */
790 static SAVED_F77_COMMON_PTR
791 find_first_common_named (char *name)
794 SAVED_F77_COMMON_PTR tmp;
796 tmp = head_common_list;
800 if (strcmp (tmp->name, name) == 0)
809 /* This routine finds the first encountred COMMON block named "name"
810 that belongs to function funcname */
813 find_common_for_function (char *name, char *funcname)
816 SAVED_F77_COMMON_PTR tmp;
818 tmp = head_common_list;
822 if (DEPRECATED_STREQ (tmp->name, name)
823 && DEPRECATED_STREQ (tmp->owning_function, funcname))
834 /* The following function is called to patch up the offsets
835 for the statics contained in the COMMON block named
839 patch_common_entries (SAVED_F77_COMMON_PTR blk, CORE_ADDR offset, int secnum)
841 COMMON_ENTRY_PTR entry;
843 blk->offset = offset; /* Keep this around for future use. */
845 entry = blk->entries;
847 while (entry != NULL)
849 SYMBOL_VALUE (entry->symbol) += offset;
850 SYMBOL_SECTION (entry->symbol) = secnum;
854 blk->secnum = secnum;
857 /* Patch all commons named "name" that need patching.Since COMMON
858 blocks occur with relative infrequency, we simply do a linear scan on
859 the name. Eventually, the best way to do this will be a
860 hashed-lookup. Secnum is the section number for the .bss section
861 (which is where common data lives). */
864 patch_all_commons_by_name (char *name, CORE_ADDR offset, int secnum)
867 SAVED_F77_COMMON_PTR tmp;
869 /* For blank common blocks, change the canonical reprsentation
872 if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
873 || strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
876 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
877 strcpy (name, BLANK_COMMON_NAME_LOCAL);
880 tmp = head_common_list;
884 if (COMMON_NEEDS_PATCHING (tmp))
885 if (strcmp (tmp->name, name) == 0)
886 patch_common_entries (tmp, offset, secnum);
893 /* This macro adds the symbol-number for the start of the function
894 (the symbol number of the .bf) referenced by symnum_fcn to a
895 list. This list, in reality should be a FIFO queue but since
896 #line pragmas sometimes cause line ranges to get messed up
897 we simply create a linear list. This list can then be searched
898 first by a queueing algorithm and upon failure fall back to
902 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
904 if (saved_bf_list == NULL) \
906 tmp_bf_ptr = allocate_saved_bf_node(); \
908 tmp_bf_ptr->symnum_bf = (bf_sym); \
909 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
910 tmp_bf_ptr->next = NULL; \
912 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
913 saved_bf_list_end = tmp_bf_ptr; \
917 tmp_bf_ptr = allocate_saved_bf_node(); \
919 tmp_bf_ptr->symnum_bf = (bf_sym); \
920 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
921 tmp_bf_ptr->next = NULL; \
923 saved_bf_list_end->next = tmp_bf_ptr; \
924 saved_bf_list_end = tmp_bf_ptr; \
928 /* This function frees the entire (.bf,function) list */
935 SAVED_BF_PTR tmp = saved_bf_list;
936 SAVED_BF_PTR next = NULL;
944 saved_bf_list = NULL;
948 int global_remote_debug;
953 get_bf_for_fcn (long the_function)
958 /* First use a simple queuing algorithm (i.e. look and see if the
959 item at the head of the queue is the one you want) */
961 if (saved_bf_list == NULL)
962 internal_error (__FILE__, __LINE__,
963 _("cannot get .bf node off empty list"));
965 if (current_head_bf_list != NULL)
966 if (current_head_bf_list->symnum_fcn == the_function)
968 if (global_remote_debug)
969 fprintf_unfiltered (gdb_stderr, "*");
971 tmp = current_head_bf_list;
972 current_head_bf_list = current_head_bf_list->next;
973 return (tmp->symnum_bf);
976 /* If the above did not work (probably because #line directives were
977 used in the sourcefile and they messed up our internal tables) we now do
978 the ugly linear scan */
980 if (global_remote_debug)
981 fprintf_unfiltered (gdb_stderr, "\ndefaulting to linear scan\n");
988 if (tmp->symnum_fcn == the_function)
990 if (global_remote_debug)
991 fprintf_unfiltered (gdb_stderr, "Found in %d probes\n", nprobes);
992 current_head_bf_list = tmp->next;
993 return (tmp->symnum_bf);
1001 static SAVED_FUNCTION_PTR saved_function_list = NULL;
1002 static SAVED_FUNCTION_PTR saved_function_list_end = NULL;
1005 clear_function_list (void)
1007 SAVED_FUNCTION_PTR tmp = saved_function_list;
1008 SAVED_FUNCTION_PTR next = NULL;
1017 saved_function_list = NULL;