1 /* Fortran language support routines for GDB, the GNU debugger.
2 Copyright 1993, 1994, 1996, 2000 Free Software Foundation, Inc.
3 Contributed by Motorola. Adapted from the C parser by Farooq Butt
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
24 #include "gdb_string.h"
27 #include "expression.h"
28 #include "parser-defs.h"
33 /* The built-in types of F77. FIXME: integer*4 is missing, plain
34 logical is missing (builtin_type_logical is logical*4). */
36 struct type *builtin_type_f_character;
37 struct type *builtin_type_f_logical;
38 struct type *builtin_type_f_logical_s1;
39 struct type *builtin_type_f_logical_s2;
40 struct type *builtin_type_f_integer;
41 struct type *builtin_type_f_integer_s2;
42 struct type *builtin_type_f_real;
43 struct type *builtin_type_f_real_s8;
44 struct type *builtin_type_f_real_s16;
45 struct type *builtin_type_f_complex_s8;
46 struct type *builtin_type_f_complex_s16;
47 struct type *builtin_type_f_complex_s32;
48 struct type *builtin_type_f_void;
50 /* Following is dubious stuff that had been in the xcoff reader. */
54 long line_offset; /* Line offset for function */
55 struct saved_fcn *next;
59 struct saved_bf_symnum
61 long symnum_fcn; /* Symnum of function (i.e. .function directive) */
62 long symnum_bf; /* Symnum of .bf for this function */
63 struct saved_bf_symnum *next;
66 typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR;
67 typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR;
71 extern void _initialize_f_language PARAMS ((void));
73 static void clear_function_list PARAMS ((void));
74 static long get_bf_for_fcn PARAMS ((long));
75 static void clear_bf_list PARAMS ((void));
76 static void patch_all_commons_by_name PARAMS ((char *, CORE_ADDR, int));
77 static SAVED_F77_COMMON_PTR find_first_common_named PARAMS ((char *));
78 static void add_common_entry PARAMS ((struct symbol *));
79 static void add_common_block PARAMS ((char *, CORE_ADDR, int, char *));
80 static SAVED_FUNCTION *allocate_saved_function_node PARAMS ((void));
81 static SAVED_BF_PTR allocate_saved_bf_node PARAMS ((void));
82 static COMMON_ENTRY_PTR allocate_common_entry_node PARAMS ((void));
83 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node PARAMS ((void));
84 static void patch_common_entries PARAMS ((SAVED_F77_COMMON_PTR, CORE_ADDR, int));
87 static struct type *f_create_fundamental_type PARAMS ((struct objfile *, int));
88 static void f_printstr (struct ui_file * stream, char *string,
89 unsigned int length, int width,
91 static void f_printchar (int c, struct ui_file * stream);
92 static void f_emit_char (int c, struct ui_file * stream, int quoter);
94 /* Print the character C on STREAM as part of the contents of a literal
95 string whose delimiter is QUOTER. Note that that format for printing
96 characters and strings is language specific.
97 FIXME: This is a copy of the same function from c-exp.y. It should
98 be replaced with a true F77 version. */
101 f_emit_char (c, stream, quoter)
103 struct ui_file *stream;
106 c &= 0xFF; /* Avoid sign bit follies */
108 if (PRINT_LITERAL_FORM (c))
110 if (c == '\\' || c == quoter)
111 fputs_filtered ("\\", stream);
112 fprintf_filtered (stream, "%c", c);
119 fputs_filtered ("\\n", stream);
122 fputs_filtered ("\\b", stream);
125 fputs_filtered ("\\t", stream);
128 fputs_filtered ("\\f", stream);
131 fputs_filtered ("\\r", stream);
134 fputs_filtered ("\\e", stream);
137 fputs_filtered ("\\a", stream);
140 fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
146 /* FIXME: This is a copy of the same function from c-exp.y. It should
147 be replaced with a true F77version. */
150 f_printchar (c, stream)
152 struct ui_file *stream;
154 fputs_filtered ("'", stream);
155 LA_EMIT_CHAR (c, stream, '\'');
156 fputs_filtered ("'", stream);
159 /* Print the character string STRING, printing at most LENGTH characters.
160 Printing stops early if the number hits print_max; repeat counts
161 are printed as appropriate. Print ellipses at the end if we
162 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
163 FIXME: This is a copy of the same function from c-exp.y. It should
164 be replaced with a true F77 version. */
167 f_printstr (stream, string, length, width, force_ellipses)
168 struct ui_file *stream;
174 register unsigned int i;
175 unsigned int things_printed = 0;
178 extern int inspect_it;
182 fputs_filtered ("''", gdb_stdout);
186 for (i = 0; i < length && things_printed < print_max; ++i)
188 /* Position of the character we are examining
189 to see whether it is repeated. */
191 /* Number of repetitions we have detected so far. */
198 fputs_filtered (", ", stream);
204 while (rep1 < length && string[rep1] == string[i])
210 if (reps > repeat_count_threshold)
215 fputs_filtered ("\\', ", stream);
217 fputs_filtered ("', ", stream);
220 f_printchar (string[i], stream);
221 fprintf_filtered (stream, " <repeats %u times>", reps);
223 things_printed += repeat_count_threshold;
231 fputs_filtered ("\\'", stream);
233 fputs_filtered ("'", stream);
236 LA_EMIT_CHAR (string[i], stream, '"');
241 /* Terminate the quotes if necessary. */
245 fputs_filtered ("\\'", stream);
247 fputs_filtered ("'", stream);
250 if (force_ellipses || i < length)
251 fputs_filtered ("...", stream);
254 /* FIXME: This is a copy of c_create_fundamental_type(), before
255 all the non-C types were stripped from it. Needs to be fixed
256 by an experienced F77 programmer. */
259 f_create_fundamental_type (objfile, typeid)
260 struct objfile *objfile;
263 register struct type *type = NULL;
268 type = init_type (TYPE_CODE_VOID,
269 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
273 type = init_type (TYPE_CODE_BOOL,
274 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
275 TYPE_FLAG_UNSIGNED, "boolean", objfile);
278 type = init_type (TYPE_CODE_STRING,
279 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
280 0, "string", objfile);
283 type = init_type (TYPE_CODE_INT,
284 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
285 0, "character", objfile);
288 type = init_type (TYPE_CODE_INT,
289 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
290 0, "integer*1", objfile);
292 case FT_UNSIGNED_CHAR:
293 type = init_type (TYPE_CODE_BOOL,
294 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
295 TYPE_FLAG_UNSIGNED, "logical*1", objfile);
298 type = init_type (TYPE_CODE_INT,
299 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
300 0, "integer*2", objfile);
302 case FT_SIGNED_SHORT:
303 type = init_type (TYPE_CODE_INT,
304 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
305 0, "short", objfile); /* FIXME-fnf */
307 case FT_UNSIGNED_SHORT:
308 type = init_type (TYPE_CODE_BOOL,
309 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
310 TYPE_FLAG_UNSIGNED, "logical*2", objfile);
313 type = init_type (TYPE_CODE_INT,
314 TARGET_INT_BIT / TARGET_CHAR_BIT,
315 0, "integer*4", objfile);
317 case FT_SIGNED_INTEGER:
318 type = init_type (TYPE_CODE_INT,
319 TARGET_INT_BIT / TARGET_CHAR_BIT,
320 0, "integer", objfile); /* FIXME -fnf */
322 case FT_UNSIGNED_INTEGER:
323 type = init_type (TYPE_CODE_BOOL,
324 TARGET_INT_BIT / TARGET_CHAR_BIT,
325 TYPE_FLAG_UNSIGNED, "logical*4", objfile);
327 case FT_FIXED_DECIMAL:
328 type = init_type (TYPE_CODE_INT,
329 TARGET_INT_BIT / TARGET_CHAR_BIT,
330 0, "fixed decimal", objfile);
333 type = init_type (TYPE_CODE_INT,
334 TARGET_LONG_BIT / TARGET_CHAR_BIT,
338 type = init_type (TYPE_CODE_INT,
339 TARGET_LONG_BIT / TARGET_CHAR_BIT,
340 0, "long", objfile); /* FIXME -fnf */
342 case FT_UNSIGNED_LONG:
343 type = init_type (TYPE_CODE_INT,
344 TARGET_LONG_BIT / TARGET_CHAR_BIT,
345 TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
348 type = init_type (TYPE_CODE_INT,
349 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
350 0, "long long", objfile);
352 case FT_SIGNED_LONG_LONG:
353 type = init_type (TYPE_CODE_INT,
354 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
355 0, "signed long long", objfile);
357 case FT_UNSIGNED_LONG_LONG:
358 type = init_type (TYPE_CODE_INT,
359 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
360 TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
363 type = init_type (TYPE_CODE_FLT,
364 TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
367 case FT_DBL_PREC_FLOAT:
368 type = init_type (TYPE_CODE_FLT,
369 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
370 0, "real*8", objfile);
372 case FT_FLOAT_DECIMAL:
373 type = init_type (TYPE_CODE_FLT,
374 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
375 0, "floating decimal", objfile);
377 case FT_EXT_PREC_FLOAT:
378 type = init_type (TYPE_CODE_FLT,
379 TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
380 0, "real*16", objfile);
383 type = init_type (TYPE_CODE_COMPLEX,
384 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
385 0, "complex*8", objfile);
386 TYPE_TARGET_TYPE (type) = builtin_type_f_real;
388 case FT_DBL_PREC_COMPLEX:
389 type = init_type (TYPE_CODE_COMPLEX,
390 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
391 0, "complex*16", objfile);
392 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
394 case FT_EXT_PREC_COMPLEX:
395 type = init_type (TYPE_CODE_COMPLEX,
396 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
397 0, "complex*32", objfile);
398 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
401 /* FIXME: For now, if we are asked to produce a type not in this
402 language, create the equivalent of a C integer type with the
403 name "<?type?>". When all the dust settles from the type
404 reconstruction work, this should probably become an error. */
405 type = init_type (TYPE_CODE_INT,
406 TARGET_INT_BIT / TARGET_CHAR_BIT,
407 0, "<?type?>", objfile);
408 warning ("internal error: no F77 fundamental type %d", typeid);
415 /* Table of operators and their precedences for printing expressions. */
417 static const struct op_print f_op_print_tab[] =
419 {"+", BINOP_ADD, PREC_ADD, 0},
420 {"+", UNOP_PLUS, PREC_PREFIX, 0},
421 {"-", BINOP_SUB, PREC_ADD, 0},
422 {"-", UNOP_NEG, PREC_PREFIX, 0},
423 {"*", BINOP_MUL, PREC_MUL, 0},
424 {"/", BINOP_DIV, PREC_MUL, 0},
425 {"DIV", BINOP_INTDIV, PREC_MUL, 0},
426 {"MOD", BINOP_REM, PREC_MUL, 0},
427 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
428 {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
429 {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
430 {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
431 {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
432 {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
433 {".LE.", BINOP_LEQ, PREC_ORDER, 0},
434 {".GE.", BINOP_GEQ, PREC_ORDER, 0},
435 {".GT.", BINOP_GTR, PREC_ORDER, 0},
436 {".LT.", BINOP_LESS, PREC_ORDER, 0},
437 {"**", UNOP_IND, PREC_PREFIX, 0},
438 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
442 struct type **CONST_PTR (f_builtin_types[]) =
444 &builtin_type_f_character,
445 &builtin_type_f_logical,
446 &builtin_type_f_logical_s1,
447 &builtin_type_f_logical_s2,
448 &builtin_type_f_integer,
449 &builtin_type_f_integer_s2,
450 &builtin_type_f_real,
451 &builtin_type_f_real_s8,
452 &builtin_type_f_real_s16,
453 &builtin_type_f_complex_s8,
454 &builtin_type_f_complex_s16,
456 &builtin_type_f_complex_s32,
458 &builtin_type_f_void,
462 /* This is declared in c-lang.h but it is silly to import that file for what
463 is already just a hack. */
464 extern int c_value_print (struct value *, struct ui_file *, int,
465 enum val_prettyprint);
467 const struct language_defn f_language_defn =
474 f_parse, /* parser */
475 f_error, /* parser error function */
476 evaluate_subexp_standard,
477 f_printchar, /* Print character constant */
478 f_printstr, /* function to print string constant */
479 f_emit_char, /* Function to print a single character */
480 f_create_fundamental_type, /* Create fundamental type in this language */
481 f_print_type, /* Print a type using appropriate syntax */
482 f_val_print, /* Print a value using appropriate syntax */
483 c_value_print, /* FIXME */
484 {"", "", "", ""}, /* Binary format info */
485 {"0%o", "0", "o", ""}, /* Octal format info */
486 {"%d", "", "d", ""}, /* Decimal format info */
487 {"0x%x", "0x", "x", ""}, /* Hex format info */
488 f_op_print_tab, /* expression operators for printing */
489 0, /* arrays are first-class (not c-style) */
490 1, /* String lower bound */
491 &builtin_type_f_character, /* Type of string elements */
496 _initialize_f_language ()
498 builtin_type_f_void =
499 init_type (TYPE_CODE_VOID, 1,
501 "VOID", (struct objfile *) NULL);
503 builtin_type_f_character =
504 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
506 "character", (struct objfile *) NULL);
508 builtin_type_f_logical_s1 =
509 init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
511 "logical*1", (struct objfile *) NULL);
513 builtin_type_f_integer_s2 =
514 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
516 "integer*2", (struct objfile *) NULL);
518 builtin_type_f_logical_s2 =
519 init_type (TYPE_CODE_BOOL, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
521 "logical*2", (struct objfile *) NULL);
523 builtin_type_f_integer =
524 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
526 "integer", (struct objfile *) NULL);
528 builtin_type_f_logical =
529 init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
531 "logical*4", (struct objfile *) NULL);
533 builtin_type_f_real =
534 init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
536 "real", (struct objfile *) NULL);
538 builtin_type_f_real_s8 =
539 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
541 "real*8", (struct objfile *) NULL);
543 builtin_type_f_real_s16 =
544 init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
546 "real*16", (struct objfile *) NULL);
548 builtin_type_f_complex_s8 =
549 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
551 "complex*8", (struct objfile *) NULL);
552 TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real;
554 builtin_type_f_complex_s16 =
555 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
557 "complex*16", (struct objfile *) NULL);
558 TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8;
560 /* We have a new size == 4 double floats for the
561 complex*32 data type */
563 builtin_type_f_complex_s32 =
564 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
566 "complex*32", (struct objfile *) NULL);
567 TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16;
569 builtin_type_string =
570 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
572 "character string", (struct objfile *) NULL);
574 add_language (&f_language_defn);
579 allocate_saved_bf_node ()
583 new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
587 static SAVED_FUNCTION *
588 allocate_saved_function_node ()
592 new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
596 static SAVED_F77_COMMON_PTR
597 allocate_saved_f77_common_node ()
599 SAVED_F77_COMMON_PTR new;
601 new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
605 static COMMON_ENTRY_PTR
606 allocate_common_entry_node ()
608 COMMON_ENTRY_PTR new;
610 new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
615 SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */
616 SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */
617 SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */
620 static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function)
622 static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */
623 static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list
626 static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
629 /* The following function simply enters a given common block onto
630 the global common block chain */
633 add_common_block (name, offset, secnum, func_stab)
639 SAVED_F77_COMMON_PTR tmp;
640 char *c, *local_copy_func_stab;
642 /* If the COMMON block we are trying to add has a blank
643 name (i.e. "#BLNK_COM") then we set it to __BLANK
644 because the darn "#" character makes GDB's input
648 if (STREQ (name, BLANK_COMMON_NAME_ORIGINAL) ||
649 STREQ (name, BLANK_COMMON_NAME_MF77))
653 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
654 strcpy (name, BLANK_COMMON_NAME_LOCAL);
657 tmp = allocate_saved_f77_common_node ();
659 local_copy_func_stab = xmalloc (strlen (func_stab) + 1);
660 strcpy (local_copy_func_stab, func_stab);
662 tmp->name = xmalloc (strlen (name) + 1);
664 /* local_copy_func_stab is a stabstring, let us first extract the
665 function name from the stab by NULLing out the ':' character. */
669 c = strchr (local_copy_func_stab, ':');
674 error ("Malformed function STAB found in add_common_block()");
677 tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1);
679 strcpy (tmp->owning_function, local_copy_func_stab);
681 strcpy (tmp->name, name);
682 tmp->offset = offset;
685 tmp->secnum = secnum;
687 current_common = tmp;
689 if (head_common_list == NULL)
691 head_common_list = tail_common_list = tmp;
695 tail_common_list->next = tmp;
696 tail_common_list = tmp;
701 /* The following function simply enters a given common entry onto
702 the "current_common" block that has been saved away. */
706 add_common_entry (entry_sym_ptr)
707 struct symbol *entry_sym_ptr;
709 COMMON_ENTRY_PTR tmp;
713 /* The order of this list is important, since
714 we expect the entries to appear in decl.
715 order when we later issue "info common" calls */
717 tmp = allocate_common_entry_node ();
720 tmp->symbol = entry_sym_ptr;
722 if (current_common == NULL)
723 error ("Attempt to add COMMON entry with no block open!");
726 if (current_common->entries == NULL)
728 current_common->entries = tmp;
729 current_common->end_of_entries = tmp;
733 current_common->end_of_entries->next = tmp;
734 current_common->end_of_entries = tmp;
740 /* This routine finds the first encountred COMMON block named "name" */
743 static SAVED_F77_COMMON_PTR
744 find_first_common_named (name)
748 SAVED_F77_COMMON_PTR tmp;
750 tmp = head_common_list;
754 if (STREQ (tmp->name, name))
763 /* This routine finds the first encountred COMMON block named "name"
764 that belongs to function funcname */
767 find_common_for_function (name, funcname)
772 SAVED_F77_COMMON_PTR tmp;
774 tmp = head_common_list;
778 if (STREQ (tmp->name, name) && STREQ (tmp->owning_function, funcname))
789 /* The following function is called to patch up the offsets
790 for the statics contained in the COMMON block named
794 patch_common_entries (blk, offset, secnum)
795 SAVED_F77_COMMON_PTR blk;
799 COMMON_ENTRY_PTR entry;
801 blk->offset = offset; /* Keep this around for future use. */
803 entry = blk->entries;
805 while (entry != NULL)
807 SYMBOL_VALUE (entry->symbol) += offset;
808 SYMBOL_SECTION (entry->symbol) = secnum;
812 blk->secnum = secnum;
815 /* Patch all commons named "name" that need patching.Since COMMON
816 blocks occur with relative infrequency, we simply do a linear scan on
817 the name. Eventually, the best way to do this will be a
818 hashed-lookup. Secnum is the section number for the .bss section
819 (which is where common data lives). */
822 patch_all_commons_by_name (name, offset, secnum)
828 SAVED_F77_COMMON_PTR tmp;
830 /* For blank common blocks, change the canonical reprsentation
833 if ((STREQ (name, BLANK_COMMON_NAME_ORIGINAL)) ||
834 (STREQ (name, BLANK_COMMON_NAME_MF77)))
837 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
838 strcpy (name, BLANK_COMMON_NAME_LOCAL);
841 tmp = head_common_list;
845 if (COMMON_NEEDS_PATCHING (tmp))
846 if (STREQ (tmp->name, name))
847 patch_common_entries (tmp, offset, secnum);
854 /* This macro adds the symbol-number for the start of the function
855 (the symbol number of the .bf) referenced by symnum_fcn to a
856 list. This list, in reality should be a FIFO queue but since
857 #line pragmas sometimes cause line ranges to get messed up
858 we simply create a linear list. This list can then be searched
859 first by a queueing algorithm and upon failure fall back to
863 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
865 if (saved_bf_list == NULL) \
867 tmp_bf_ptr = allocate_saved_bf_node(); \
869 tmp_bf_ptr->symnum_bf = (bf_sym); \
870 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
871 tmp_bf_ptr->next = NULL; \
873 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
874 saved_bf_list_end = tmp_bf_ptr; \
878 tmp_bf_ptr = allocate_saved_bf_node(); \
880 tmp_bf_ptr->symnum_bf = (bf_sym); \
881 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
882 tmp_bf_ptr->next = NULL; \
884 saved_bf_list_end->next = tmp_bf_ptr; \
885 saved_bf_list_end = tmp_bf_ptr; \
889 /* This function frees the entire (.bf,function) list */
896 SAVED_BF_PTR tmp = saved_bf_list;
897 SAVED_BF_PTR next = NULL;
905 saved_bf_list = NULL;
909 int global_remote_debug;
914 get_bf_for_fcn (the_function)
920 /* First use a simple queuing algorithm (i.e. look and see if the
921 item at the head of the queue is the one you want) */
923 if (saved_bf_list == NULL)
924 internal_error ("cannot get .bf node off empty list");
926 if (current_head_bf_list != NULL)
927 if (current_head_bf_list->symnum_fcn == the_function)
929 if (global_remote_debug)
930 fprintf (stderr, "*");
932 tmp = current_head_bf_list;
933 current_head_bf_list = current_head_bf_list->next;
934 return (tmp->symnum_bf);
937 /* If the above did not work (probably because #line directives were
938 used in the sourcefile and they messed up our internal tables) we now do
939 the ugly linear scan */
941 if (global_remote_debug)
942 fprintf (stderr, "\ndefaulting to linear scan\n");
949 if (tmp->symnum_fcn == the_function)
951 if (global_remote_debug)
952 fprintf (stderr, "Found in %d probes\n", nprobes);
953 current_head_bf_list = tmp->next;
954 return (tmp->symnum_bf);
962 static SAVED_FUNCTION_PTR saved_function_list = NULL;
963 static SAVED_FUNCTION_PTR saved_function_list_end = NULL;
966 clear_function_list ()
968 SAVED_FUNCTION_PTR tmp = saved_function_list;
969 SAVED_FUNCTION_PTR next = NULL;
978 saved_function_list = NULL;