1 /* Fortran language support routines for GDB, the GNU debugger.
3 Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002,
4 2003, 2004, 2005 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., 59 Temple Place - Suite 330,
24 Boston, MA 02111-1307, 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 bfd_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 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
289 0, "integer*2", objfile);
291 case FT_SIGNED_SHORT:
292 type = init_type (TYPE_CODE_INT,
293 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
294 0, "short", objfile); /* FIXME-fnf */
296 case FT_UNSIGNED_SHORT:
297 type = init_type (TYPE_CODE_BOOL,
298 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
299 TYPE_FLAG_UNSIGNED, "logical*2", objfile);
302 type = init_type (TYPE_CODE_INT,
303 TARGET_INT_BIT / TARGET_CHAR_BIT,
304 0, "integer*4", objfile);
306 case FT_SIGNED_INTEGER:
307 type = init_type (TYPE_CODE_INT,
308 TARGET_INT_BIT / TARGET_CHAR_BIT,
309 0, "integer", objfile); /* FIXME -fnf */
311 case FT_UNSIGNED_INTEGER:
312 type = init_type (TYPE_CODE_BOOL,
313 TARGET_INT_BIT / TARGET_CHAR_BIT,
314 TYPE_FLAG_UNSIGNED, "logical*4", objfile);
316 case FT_FIXED_DECIMAL:
317 type = init_type (TYPE_CODE_INT,
318 TARGET_INT_BIT / TARGET_CHAR_BIT,
319 0, "fixed decimal", objfile);
322 type = init_type (TYPE_CODE_INT,
323 TARGET_LONG_BIT / TARGET_CHAR_BIT,
327 type = init_type (TYPE_CODE_INT,
328 TARGET_LONG_BIT / TARGET_CHAR_BIT,
329 0, "long", objfile); /* FIXME -fnf */
331 case FT_UNSIGNED_LONG:
332 type = init_type (TYPE_CODE_INT,
333 TARGET_LONG_BIT / TARGET_CHAR_BIT,
334 TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
337 type = init_type (TYPE_CODE_INT,
338 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
339 0, "long long", objfile);
341 case FT_SIGNED_LONG_LONG:
342 type = init_type (TYPE_CODE_INT,
343 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
344 0, "signed long long", objfile);
346 case FT_UNSIGNED_LONG_LONG:
347 type = init_type (TYPE_CODE_INT,
348 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
349 TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
352 type = init_type (TYPE_CODE_FLT,
353 TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
356 case FT_DBL_PREC_FLOAT:
357 type = init_type (TYPE_CODE_FLT,
358 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
359 0, "real*8", objfile);
361 case FT_FLOAT_DECIMAL:
362 type = init_type (TYPE_CODE_FLT,
363 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
364 0, "floating decimal", objfile);
366 case FT_EXT_PREC_FLOAT:
367 type = init_type (TYPE_CODE_FLT,
368 TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
369 0, "real*16", objfile);
372 type = init_type (TYPE_CODE_COMPLEX,
373 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
374 0, "complex*8", objfile);
375 TYPE_TARGET_TYPE (type) = builtin_type_f_real;
377 case FT_DBL_PREC_COMPLEX:
378 type = init_type (TYPE_CODE_COMPLEX,
379 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
380 0, "complex*16", objfile);
381 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
383 case FT_EXT_PREC_COMPLEX:
384 type = init_type (TYPE_CODE_COMPLEX,
385 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
386 0, "complex*32", objfile);
387 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
390 /* FIXME: For now, if we are asked to produce a type not in this
391 language, create the equivalent of a C integer type with the
392 name "<?type?>". When all the dust settles from the type
393 reconstruction work, this should probably become an error. */
394 type = init_type (TYPE_CODE_INT,
395 TARGET_INT_BIT / TARGET_CHAR_BIT,
396 0, "<?type?>", objfile);
397 warning (_("internal error: no F77 fundamental type %d"), typeid);
404 /* Table of operators and their precedences for printing expressions. */
406 static const struct op_print f_op_print_tab[] =
408 {"+", BINOP_ADD, PREC_ADD, 0},
409 {"+", UNOP_PLUS, PREC_PREFIX, 0},
410 {"-", BINOP_SUB, PREC_ADD, 0},
411 {"-", UNOP_NEG, PREC_PREFIX, 0},
412 {"*", BINOP_MUL, PREC_MUL, 0},
413 {"/", BINOP_DIV, PREC_MUL, 0},
414 {"DIV", BINOP_INTDIV, PREC_MUL, 0},
415 {"MOD", BINOP_REM, PREC_MUL, 0},
416 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
417 {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
418 {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
419 {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
420 {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
421 {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
422 {".LE.", BINOP_LEQ, PREC_ORDER, 0},
423 {".GE.", BINOP_GEQ, PREC_ORDER, 0},
424 {".GT.", BINOP_GTR, PREC_ORDER, 0},
425 {".LT.", BINOP_LESS, PREC_ORDER, 0},
426 {"**", UNOP_IND, PREC_PREFIX, 0},
427 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
431 struct type **const (f_builtin_types[]) =
433 &builtin_type_f_character,
434 &builtin_type_f_logical,
435 &builtin_type_f_logical_s1,
436 &builtin_type_f_logical_s2,
437 &builtin_type_f_integer,
438 &builtin_type_f_integer_s2,
439 &builtin_type_f_real,
440 &builtin_type_f_real_s8,
441 &builtin_type_f_real_s16,
442 &builtin_type_f_complex_s8,
443 &builtin_type_f_complex_s16,
445 &builtin_type_f_complex_s32,
447 &builtin_type_f_void,
451 /* This is declared in c-lang.h but it is silly to import that file for what
452 is already just a hack. */
453 extern int c_value_print (struct value *, struct ui_file *, int,
454 enum val_prettyprint);
456 const struct language_defn f_language_defn =
465 &exp_descriptor_standard,
466 f_parse, /* parser */
467 f_error, /* parser error function */
469 f_printchar, /* Print character constant */
470 f_printstr, /* function to print string constant */
471 f_emit_char, /* Function to print a single character */
472 f_create_fundamental_type, /* Create fundamental type in this language */
473 f_print_type, /* Print a type using appropriate syntax */
474 f_val_print, /* Print a value using appropriate syntax */
475 c_value_print, /* FIXME */
476 NULL, /* Language specific skip_trampoline */
477 value_of_this, /* value_of_this */
478 basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
479 basic_lookup_transparent_type,/* lookup_transparent_type */
480 NULL, /* Language specific symbol demangler */
481 NULL, /* Language specific class_name_from_physname */
482 f_op_print_tab, /* expression operators for printing */
483 0, /* arrays are first-class (not c-style) */
484 1, /* String lower bound */
485 &builtin_type_f_character, /* Type of string elements */
486 default_word_break_characters,
487 NULL, /* FIXME: la_language_arch_info. */
492 build_fortran_types (void)
494 builtin_type_f_void =
495 init_type (TYPE_CODE_VOID, 1,
497 "VOID", (struct objfile *) NULL);
499 builtin_type_f_character =
500 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
502 "character", (struct objfile *) NULL);
504 builtin_type_f_logical_s1 =
505 init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
507 "logical*1", (struct objfile *) NULL);
509 builtin_type_f_integer_s2 =
510 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
512 "integer*2", (struct objfile *) NULL);
514 builtin_type_f_logical_s2 =
515 init_type (TYPE_CODE_BOOL, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
517 "logical*2", (struct objfile *) NULL);
519 builtin_type_f_integer =
520 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
522 "integer", (struct objfile *) NULL);
524 builtin_type_f_logical =
525 init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
527 "logical*4", (struct objfile *) NULL);
529 builtin_type_f_real =
530 init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
532 "real", (struct objfile *) NULL);
534 builtin_type_f_real_s8 =
535 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
537 "real*8", (struct objfile *) NULL);
539 builtin_type_f_real_s16 =
540 init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
542 "real*16", (struct objfile *) NULL);
544 builtin_type_f_complex_s8 =
545 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
547 "complex*8", (struct objfile *) NULL);
548 TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real;
550 builtin_type_f_complex_s16 =
551 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
553 "complex*16", (struct objfile *) NULL);
554 TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8;
556 /* We have a new size == 4 double floats for the
557 complex*32 data type */
559 builtin_type_f_complex_s32 =
560 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
562 "complex*32", (struct objfile *) NULL);
563 TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16;
567 _initialize_f_language (void)
569 build_fortran_types ();
571 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_character);
572 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical);
573 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s1);
574 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s2);
575 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer);
576 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer_s2);
577 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real);
578 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s8);
579 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s16);
580 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s8);
581 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s16);
582 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s32);
583 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_void);
584 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_string);
585 deprecated_register_gdbarch_swap (NULL, 0, build_fortran_types);
587 builtin_type_string =
588 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
590 "character string", (struct objfile *) NULL);
592 add_language (&f_language_defn);
597 allocate_saved_bf_node (void)
601 new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
605 static SAVED_FUNCTION *
606 allocate_saved_function_node (void)
610 new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
614 static SAVED_F77_COMMON_PTR
615 allocate_saved_f77_common_node (void)
617 SAVED_F77_COMMON_PTR new;
619 new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
623 static COMMON_ENTRY_PTR
624 allocate_common_entry_node (void)
626 COMMON_ENTRY_PTR new;
628 new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
633 SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */
634 SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */
635 SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */
638 static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function)
640 static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */
641 static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list
644 static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
647 /* The following function simply enters a given common block onto
648 the global common block chain */
651 add_common_block (char *name, CORE_ADDR offset, int secnum, char *func_stab)
653 SAVED_F77_COMMON_PTR tmp;
654 char *c, *local_copy_func_stab;
656 /* If the COMMON block we are trying to add has a blank
657 name (i.e. "#BLNK_COM") then we set it to __BLANK
658 because the darn "#" character makes GDB's input
662 if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
663 || strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
667 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
668 strcpy (name, BLANK_COMMON_NAME_LOCAL);
671 tmp = allocate_saved_f77_common_node ();
673 local_copy_func_stab = xmalloc (strlen (func_stab) + 1);
674 strcpy (local_copy_func_stab, func_stab);
676 tmp->name = xmalloc (strlen (name) + 1);
678 /* local_copy_func_stab is a stabstring, let us first extract the
679 function name from the stab by NULLing out the ':' character. */
683 c = strchr (local_copy_func_stab, ':');
688 error (_("Malformed function STAB found in add_common_block()"));
691 tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1);
693 strcpy (tmp->owning_function, local_copy_func_stab);
695 strcpy (tmp->name, name);
696 tmp->offset = offset;
699 tmp->secnum = secnum;
701 current_common = tmp;
703 if (head_common_list == NULL)
705 head_common_list = tail_common_list = tmp;
709 tail_common_list->next = tmp;
710 tail_common_list = tmp;
715 /* The following function simply enters a given common entry onto
716 the "current_common" block that has been saved away. */
720 add_common_entry (struct symbol *entry_sym_ptr)
722 COMMON_ENTRY_PTR tmp;
726 /* The order of this list is important, since
727 we expect the entries to appear in decl.
728 order when we later issue "info common" calls */
730 tmp = allocate_common_entry_node ();
733 tmp->symbol = entry_sym_ptr;
735 if (current_common == NULL)
736 error (_("Attempt to add COMMON entry with no block open!"));
739 if (current_common->entries == NULL)
741 current_common->entries = tmp;
742 current_common->end_of_entries = tmp;
746 current_common->end_of_entries->next = tmp;
747 current_common->end_of_entries = tmp;
753 /* This routine finds the first encountred COMMON block named "name" */
756 static SAVED_F77_COMMON_PTR
757 find_first_common_named (char *name)
760 SAVED_F77_COMMON_PTR tmp;
762 tmp = head_common_list;
766 if (strcmp (tmp->name, name) == 0)
775 /* This routine finds the first encountred COMMON block named "name"
776 that belongs to function funcname */
779 find_common_for_function (char *name, char *funcname)
782 SAVED_F77_COMMON_PTR tmp;
784 tmp = head_common_list;
788 if (DEPRECATED_STREQ (tmp->name, name)
789 && DEPRECATED_STREQ (tmp->owning_function, funcname))
800 /* The following function is called to patch up the offsets
801 for the statics contained in the COMMON block named
805 patch_common_entries (SAVED_F77_COMMON_PTR blk, CORE_ADDR offset, int secnum)
807 COMMON_ENTRY_PTR entry;
809 blk->offset = offset; /* Keep this around for future use. */
811 entry = blk->entries;
813 while (entry != NULL)
815 SYMBOL_VALUE (entry->symbol) += offset;
816 SYMBOL_SECTION (entry->symbol) = secnum;
820 blk->secnum = secnum;
823 /* Patch all commons named "name" that need patching.Since COMMON
824 blocks occur with relative infrequency, we simply do a linear scan on
825 the name. Eventually, the best way to do this will be a
826 hashed-lookup. Secnum is the section number for the .bss section
827 (which is where common data lives). */
830 patch_all_commons_by_name (char *name, CORE_ADDR offset, int secnum)
833 SAVED_F77_COMMON_PTR tmp;
835 /* For blank common blocks, change the canonical reprsentation
838 if (strcmp (name, BLANK_COMMON_NAME_ORIGINAL) == 0
839 || strcmp (name, BLANK_COMMON_NAME_MF77) == 0)
842 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
843 strcpy (name, BLANK_COMMON_NAME_LOCAL);
846 tmp = head_common_list;
850 if (COMMON_NEEDS_PATCHING (tmp))
851 if (strcmp (tmp->name, name) == 0)
852 patch_common_entries (tmp, offset, secnum);
859 /* This macro adds the symbol-number for the start of the function
860 (the symbol number of the .bf) referenced by symnum_fcn to a
861 list. This list, in reality should be a FIFO queue but since
862 #line pragmas sometimes cause line ranges to get messed up
863 we simply create a linear list. This list can then be searched
864 first by a queueing algorithm and upon failure fall back to
868 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
870 if (saved_bf_list == NULL) \
872 tmp_bf_ptr = allocate_saved_bf_node(); \
874 tmp_bf_ptr->symnum_bf = (bf_sym); \
875 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
876 tmp_bf_ptr->next = NULL; \
878 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
879 saved_bf_list_end = tmp_bf_ptr; \
883 tmp_bf_ptr = allocate_saved_bf_node(); \
885 tmp_bf_ptr->symnum_bf = (bf_sym); \
886 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
887 tmp_bf_ptr->next = NULL; \
889 saved_bf_list_end->next = tmp_bf_ptr; \
890 saved_bf_list_end = tmp_bf_ptr; \
894 /* This function frees the entire (.bf,function) list */
901 SAVED_BF_PTR tmp = saved_bf_list;
902 SAVED_BF_PTR next = NULL;
910 saved_bf_list = NULL;
914 int global_remote_debug;
919 get_bf_for_fcn (long the_function)
924 /* First use a simple queuing algorithm (i.e. look and see if the
925 item at the head of the queue is the one you want) */
927 if (saved_bf_list == NULL)
928 internal_error (__FILE__, __LINE__,
929 _("cannot get .bf node off empty list"));
931 if (current_head_bf_list != NULL)
932 if (current_head_bf_list->symnum_fcn == the_function)
934 if (global_remote_debug)
935 fprintf_unfiltered (gdb_stderr, "*");
937 tmp = current_head_bf_list;
938 current_head_bf_list = current_head_bf_list->next;
939 return (tmp->symnum_bf);
942 /* If the above did not work (probably because #line directives were
943 used in the sourcefile and they messed up our internal tables) we now do
944 the ugly linear scan */
946 if (global_remote_debug)
947 fprintf_unfiltered (gdb_stderr, "\ndefaulting to linear scan\n");
954 if (tmp->symnum_fcn == the_function)
956 if (global_remote_debug)
957 fprintf_unfiltered (gdb_stderr, "Found in %d probes\n", nprobes);
958 current_head_bf_list = tmp->next;
959 return (tmp->symnum_bf);
967 static SAVED_FUNCTION_PTR saved_function_list = NULL;
968 static SAVED_FUNCTION_PTR saved_function_list_end = NULL;
971 clear_function_list (void)
973 SAVED_FUNCTION_PTR tmp = saved_function_list;
974 SAVED_FUNCTION_PTR next = NULL;
983 saved_function_list = NULL;