1 /* Fortran language support routines for GDB, the GNU debugger.
2 Copyright 1993, 1994, 1996 Free Software Foundation, Inc.
3 Contributed by Motorola. Adapted from the C parser by Farooq Butt
4 (fmbutt@engage.sps.mot.com).
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"
32 /* The built-in types of F77. FIXME: integer*4 is missing, plain
33 logical is missing (builtin_type_logical is logical*4). */
35 struct type *builtin_type_f_character;
36 struct type *builtin_type_f_logical;
37 struct type *builtin_type_f_logical_s1;
38 struct type *builtin_type_f_logical_s2;
39 struct type *builtin_type_f_integer;
40 struct type *builtin_type_f_integer_s2;
41 struct type *builtin_type_f_real;
42 struct type *builtin_type_f_real_s8;
43 struct type *builtin_type_f_real_s16;
44 struct type *builtin_type_f_complex_s8;
45 struct type *builtin_type_f_complex_s16;
46 struct type *builtin_type_f_complex_s32;
47 struct type *builtin_type_f_void;
49 /* Following is dubious stuff that had been in the xcoff reader. */
53 long line_offset; /* Line offset for function */
54 struct saved_fcn *next;
58 struct saved_bf_symnum
60 long symnum_fcn; /* Symnum of function (i.e. .function directive) */
61 long symnum_bf; /* Symnum of .bf for this function */
62 struct saved_bf_symnum *next;
65 typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR;
66 typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR;
70 extern void _initialize_f_language PARAMS ((void));
72 static void clear_function_list PARAMS ((void));
73 static long get_bf_for_fcn PARAMS ((long));
74 static void clear_bf_list PARAMS ((void));
75 static void patch_all_commons_by_name PARAMS ((char *, CORE_ADDR, int));
76 static SAVED_F77_COMMON_PTR find_first_common_named PARAMS ((char *));
77 static void add_common_entry PARAMS ((struct symbol *));
78 static void add_common_block PARAMS ((char *, CORE_ADDR, int, char *));
79 static SAVED_FUNCTION *allocate_saved_function_node PARAMS ((void));
80 static SAVED_BF_PTR allocate_saved_bf_node PARAMS ((void));
81 static COMMON_ENTRY_PTR allocate_common_entry_node PARAMS ((void));
82 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node PARAMS ((void));
83 static void patch_common_entries PARAMS ((SAVED_F77_COMMON_PTR, CORE_ADDR, int));
86 static struct type *f_create_fundamental_type PARAMS ((struct objfile *, int));
87 static void f_printstr PARAMS ((GDB_FILE * stream, char *string, unsigned int length, int width, int force_ellipses));
88 static void f_printchar PARAMS ((int c, GDB_FILE * stream));
89 static void f_emit_char PARAMS ((int c, GDB_FILE * stream, int quoter));
91 /* Print the character C on STREAM as part of the contents of a literal
92 string whose delimiter is QUOTER. Note that that format for printing
93 characters and strings is language specific.
94 FIXME: This is a copy of the same function from c-exp.y. It should
95 be replaced with a true F77 version. */
98 f_emit_char (c, stream, quoter)
103 c &= 0xFF; /* Avoid sign bit follies */
105 if (PRINT_LITERAL_FORM (c))
107 if (c == '\\' || c == quoter)
108 fputs_filtered ("\\", stream);
109 fprintf_filtered (stream, "%c", c);
116 fputs_filtered ("\\n", stream);
119 fputs_filtered ("\\b", stream);
122 fputs_filtered ("\\t", stream);
125 fputs_filtered ("\\f", stream);
128 fputs_filtered ("\\r", stream);
131 fputs_filtered ("\\e", stream);
134 fputs_filtered ("\\a", stream);
137 fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
143 /* FIXME: This is a copy of the same function from c-exp.y. It should
144 be replaced with a true F77version. */
147 f_printchar (c, stream)
151 fputs_filtered ("'", stream);
152 LA_EMIT_CHAR (c, stream, '\'');
153 fputs_filtered ("'", stream);
156 /* Print the character string STRING, printing at most LENGTH characters.
157 Printing stops early if the number hits print_max; repeat counts
158 are printed as appropriate. Print ellipses at the end if we
159 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
160 FIXME: This is a copy of the same function from c-exp.y. It should
161 be replaced with a true F77 version. */
164 f_printstr (stream, string, length, width, force_ellipses)
171 register unsigned int i;
172 unsigned int things_printed = 0;
175 extern int inspect_it;
176 extern int repeat_count_threshold;
177 extern int print_max;
181 fputs_filtered ("''", gdb_stdout);
185 for (i = 0; i < length && things_printed < print_max; ++i)
187 /* Position of the character we are examining
188 to see whether it is repeated. */
190 /* Number of repetitions we have detected so far. */
197 fputs_filtered (", ", stream);
203 while (rep1 < length && string[rep1] == string[i])
209 if (reps > repeat_count_threshold)
214 fputs_filtered ("\\', ", stream);
216 fputs_filtered ("', ", stream);
219 f_printchar (string[i], stream);
220 fprintf_filtered (stream, " <repeats %u times>", reps);
222 things_printed += repeat_count_threshold;
230 fputs_filtered ("\\'", stream);
232 fputs_filtered ("'", stream);
235 LA_EMIT_CHAR (string[i], stream, '"');
240 /* Terminate the quotes if necessary. */
244 fputs_filtered ("\\'", stream);
246 fputs_filtered ("'", stream);
249 if (force_ellipses || i < length)
250 fputs_filtered ("...", stream);
253 /* FIXME: This is a copy of c_create_fundamental_type(), before
254 all the non-C types were stripped from it. Needs to be fixed
255 by an experienced F77 programmer. */
258 f_create_fundamental_type (objfile, typeid)
259 struct objfile *objfile;
262 register struct type *type = NULL;
267 type = init_type (TYPE_CODE_VOID,
268 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
272 type = init_type (TYPE_CODE_BOOL,
273 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
274 TYPE_FLAG_UNSIGNED, "boolean", objfile);
277 type = init_type (TYPE_CODE_STRING,
278 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
279 0, "string", objfile);
282 type = init_type (TYPE_CODE_INT,
283 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
284 0, "character", objfile);
287 type = init_type (TYPE_CODE_INT,
288 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
289 0, "integer*1", objfile);
291 case FT_UNSIGNED_CHAR:
292 type = init_type (TYPE_CODE_BOOL,
293 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
294 TYPE_FLAG_UNSIGNED, "logical*1", objfile);
297 type = init_type (TYPE_CODE_INT,
298 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
299 0, "integer*2", objfile);
301 case FT_SIGNED_SHORT:
302 type = init_type (TYPE_CODE_INT,
303 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
304 0, "short", objfile); /* FIXME-fnf */
306 case FT_UNSIGNED_SHORT:
307 type = init_type (TYPE_CODE_BOOL,
308 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
309 TYPE_FLAG_UNSIGNED, "logical*2", objfile);
312 type = init_type (TYPE_CODE_INT,
313 TARGET_INT_BIT / TARGET_CHAR_BIT,
314 0, "integer*4", objfile);
316 case FT_SIGNED_INTEGER:
317 type = init_type (TYPE_CODE_INT,
318 TARGET_INT_BIT / TARGET_CHAR_BIT,
319 0, "integer", objfile); /* FIXME -fnf */
321 case FT_UNSIGNED_INTEGER:
322 type = init_type (TYPE_CODE_BOOL,
323 TARGET_INT_BIT / TARGET_CHAR_BIT,
324 TYPE_FLAG_UNSIGNED, "logical*4", objfile);
326 case FT_FIXED_DECIMAL:
327 type = init_type (TYPE_CODE_INT,
328 TARGET_INT_BIT / TARGET_CHAR_BIT,
329 0, "fixed decimal", objfile);
332 type = init_type (TYPE_CODE_INT,
333 TARGET_LONG_BIT / TARGET_CHAR_BIT,
337 type = init_type (TYPE_CODE_INT,
338 TARGET_LONG_BIT / TARGET_CHAR_BIT,
339 0, "long", objfile); /* FIXME -fnf */
341 case FT_UNSIGNED_LONG:
342 type = init_type (TYPE_CODE_INT,
343 TARGET_LONG_BIT / TARGET_CHAR_BIT,
344 TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
347 type = init_type (TYPE_CODE_INT,
348 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
349 0, "long long", objfile);
351 case FT_SIGNED_LONG_LONG:
352 type = init_type (TYPE_CODE_INT,
353 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
354 0, "signed long long", objfile);
356 case FT_UNSIGNED_LONG_LONG:
357 type = init_type (TYPE_CODE_INT,
358 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
359 TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
362 type = init_type (TYPE_CODE_FLT,
363 TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
366 case FT_DBL_PREC_FLOAT:
367 type = init_type (TYPE_CODE_FLT,
368 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
369 0, "real*8", objfile);
371 case FT_FLOAT_DECIMAL:
372 type = init_type (TYPE_CODE_FLT,
373 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
374 0, "floating decimal", objfile);
376 case FT_EXT_PREC_FLOAT:
377 type = init_type (TYPE_CODE_FLT,
378 TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
379 0, "real*16", objfile);
382 type = init_type (TYPE_CODE_COMPLEX,
383 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
384 0, "complex*8", objfile);
385 TYPE_TARGET_TYPE (type) = builtin_type_f_real;
387 case FT_DBL_PREC_COMPLEX:
388 type = init_type (TYPE_CODE_COMPLEX,
389 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
390 0, "complex*16", objfile);
391 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
393 case FT_EXT_PREC_COMPLEX:
394 type = init_type (TYPE_CODE_COMPLEX,
395 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
396 0, "complex*32", objfile);
397 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
400 /* FIXME: For now, if we are asked to produce a type not in this
401 language, create the equivalent of a C integer type with the
402 name "<?type?>". When all the dust settles from the type
403 reconstruction work, this should probably become an error. */
404 type = init_type (TYPE_CODE_INT,
405 TARGET_INT_BIT / TARGET_CHAR_BIT,
406 0, "<?type?>", objfile);
407 warning ("internal error: no F77 fundamental type %d", typeid);
414 /* Table of operators and their precedences for printing expressions. */
416 static const struct op_print f_op_print_tab[] =
418 {"+", BINOP_ADD, PREC_ADD, 0},
419 {"+", UNOP_PLUS, PREC_PREFIX, 0},
420 {"-", BINOP_SUB, PREC_ADD, 0},
421 {"-", UNOP_NEG, PREC_PREFIX, 0},
422 {"*", BINOP_MUL, PREC_MUL, 0},
423 {"/", BINOP_DIV, PREC_MUL, 0},
424 {"DIV", BINOP_INTDIV, PREC_MUL, 0},
425 {"MOD", BINOP_REM, PREC_MUL, 0},
426 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
427 {".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
428 {".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
429 {".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
430 {".EQ.", BINOP_EQUAL, PREC_EQUAL, 0},
431 {".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0},
432 {".LE.", BINOP_LEQ, PREC_ORDER, 0},
433 {".GE.", BINOP_GEQ, PREC_ORDER, 0},
434 {".GT.", BINOP_GTR, PREC_ORDER, 0},
435 {".LT.", BINOP_LESS, PREC_ORDER, 0},
436 {"**", UNOP_IND, PREC_PREFIX, 0},
437 {"@", BINOP_REPEAT, PREC_REPEAT, 0},
441 struct type **CONST_PTR (f_builtin_types[]) =
443 &builtin_type_f_character,
444 &builtin_type_f_logical,
445 &builtin_type_f_logical_s1,
446 &builtin_type_f_logical_s2,
447 &builtin_type_f_integer,
448 &builtin_type_f_integer_s2,
449 &builtin_type_f_real,
450 &builtin_type_f_real_s8,
451 &builtin_type_f_real_s16,
452 &builtin_type_f_complex_s8,
453 &builtin_type_f_complex_s16,
455 &builtin_type_f_complex_s32,
457 &builtin_type_f_void,
461 /* This is declared in c-lang.h but it is silly to import that file for what
462 is already just a hack. */
464 c_value_print PARAMS ((struct value *, GDB_FILE *, int, enum val_prettyprint));
466 const struct language_defn f_language_defn =
473 f_parse, /* parser */
474 f_error, /* parser error function */
475 evaluate_subexp_standard,
476 f_printchar, /* Print character constant */
477 f_printstr, /* function to print string constant */
478 f_emit_char, /* Function to print a single character */
479 f_create_fundamental_type, /* Create fundamental type in this language */
480 f_print_type, /* Print a type using appropriate syntax */
481 f_val_print, /* Print a value using appropriate syntax */
482 c_value_print, /* FIXME */
483 {"", "", "", ""}, /* Binary format info */
484 {"0%o", "0", "o", ""}, /* Octal format info */
485 {"%d", "", "d", ""}, /* Decimal format info */
486 {"0x%x", "0x", "x", ""}, /* Hex format info */
487 f_op_print_tab, /* expression operators for printing */
488 0, /* arrays are first-class (not c-style) */
489 1, /* String lower bound */
490 &builtin_type_f_character, /* Type of string elements */
495 _initialize_f_language ()
497 builtin_type_f_void =
498 init_type (TYPE_CODE_VOID, 1,
500 "VOID", (struct objfile *) NULL);
502 builtin_type_f_character =
503 init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
505 "character", (struct objfile *) NULL);
507 builtin_type_f_logical_s1 =
508 init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
510 "logical*1", (struct objfile *) NULL);
512 builtin_type_f_integer_s2 =
513 init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
515 "integer*2", (struct objfile *) NULL);
517 builtin_type_f_logical_s2 =
518 init_type (TYPE_CODE_BOOL, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
520 "logical*2", (struct objfile *) NULL);
522 builtin_type_f_integer =
523 init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
525 "integer", (struct objfile *) NULL);
527 builtin_type_f_logical =
528 init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
530 "logical*4", (struct objfile *) NULL);
532 builtin_type_f_real =
533 init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
535 "real", (struct objfile *) NULL);
537 builtin_type_f_real_s8 =
538 init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
540 "real*8", (struct objfile *) NULL);
542 builtin_type_f_real_s16 =
543 init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
545 "real*16", (struct objfile *) NULL);
547 builtin_type_f_complex_s8 =
548 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
550 "complex*8", (struct objfile *) NULL);
551 TYPE_TARGET_TYPE (builtin_type_f_complex_s8) = builtin_type_f_real;
553 builtin_type_f_complex_s16 =
554 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
556 "complex*16", (struct objfile *) NULL);
557 TYPE_TARGET_TYPE (builtin_type_f_complex_s16) = builtin_type_f_real_s8;
559 /* We have a new size == 4 double floats for the
560 complex*32 data type */
562 builtin_type_f_complex_s32 =
563 init_type (TYPE_CODE_COMPLEX, 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
565 "complex*32", (struct objfile *) NULL);
566 TYPE_TARGET_TYPE (builtin_type_f_complex_s32) = builtin_type_f_real_s16;
568 builtin_type_string =
569 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
571 "character string", (struct objfile *) NULL);
573 add_language (&f_language_defn);
578 allocate_saved_bf_node ()
582 new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
586 static SAVED_FUNCTION *
587 allocate_saved_function_node ()
591 new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
595 static SAVED_F77_COMMON_PTR
596 allocate_saved_f77_common_node ()
598 SAVED_F77_COMMON_PTR new;
600 new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
604 static COMMON_ENTRY_PTR
605 allocate_common_entry_node ()
607 COMMON_ENTRY_PTR new;
609 new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
614 SAVED_F77_COMMON_PTR head_common_list = NULL; /* Ptr to 1st saved COMMON */
615 SAVED_F77_COMMON_PTR tail_common_list = NULL; /* Ptr to last saved COMMON */
616 SAVED_F77_COMMON_PTR current_common = NULL; /* Ptr to current COMMON */
619 static SAVED_BF_PTR saved_bf_list = NULL; /* Ptr to (.bf,function)
621 static SAVED_BF_PTR saved_bf_list_end = NULL; /* Ptr to above list's end */
622 static SAVED_BF_PTR current_head_bf_list = NULL; /* Current head of above list
625 static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
628 /* The following function simply enters a given common block onto
629 the global common block chain */
632 add_common_block (name, offset, secnum, func_stab)
638 SAVED_F77_COMMON_PTR tmp;
639 char *c, *local_copy_func_stab;
641 /* If the COMMON block we are trying to add has a blank
642 name (i.e. "#BLNK_COM") then we set it to __BLANK
643 because the darn "#" character makes GDB's input
647 if (STREQ (name, BLANK_COMMON_NAME_ORIGINAL) ||
648 STREQ (name, BLANK_COMMON_NAME_MF77))
652 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
653 strcpy (name, BLANK_COMMON_NAME_LOCAL);
656 tmp = allocate_saved_f77_common_node ();
658 local_copy_func_stab = xmalloc (strlen (func_stab) + 1);
659 strcpy (local_copy_func_stab, func_stab);
661 tmp->name = xmalloc (strlen (name) + 1);
663 /* local_copy_func_stab is a stabstring, let us first extract the
664 function name from the stab by NULLing out the ':' character. */
668 c = strchr (local_copy_func_stab, ':');
673 error ("Malformed function STAB found in add_common_block()");
676 tmp->owning_function = xmalloc (strlen (local_copy_func_stab) + 1);
678 strcpy (tmp->owning_function, local_copy_func_stab);
680 strcpy (tmp->name, name);
681 tmp->offset = offset;
684 tmp->secnum = secnum;
686 current_common = tmp;
688 if (head_common_list == NULL)
690 head_common_list = tail_common_list = tmp;
694 tail_common_list->next = tmp;
695 tail_common_list = tmp;
700 /* The following function simply enters a given common entry onto
701 the "current_common" block that has been saved away. */
705 add_common_entry (entry_sym_ptr)
706 struct symbol *entry_sym_ptr;
708 COMMON_ENTRY_PTR tmp;
712 /* The order of this list is important, since
713 we expect the entries to appear in decl.
714 order when we later issue "info common" calls */
716 tmp = allocate_common_entry_node ();
719 tmp->symbol = entry_sym_ptr;
721 if (current_common == NULL)
722 error ("Attempt to add COMMON entry with no block open!");
725 if (current_common->entries == NULL)
727 current_common->entries = tmp;
728 current_common->end_of_entries = tmp;
732 current_common->end_of_entries->next = tmp;
733 current_common->end_of_entries = tmp;
739 /* This routine finds the first encountred COMMON block named "name" */
742 static SAVED_F77_COMMON_PTR
743 find_first_common_named (name)
747 SAVED_F77_COMMON_PTR tmp;
749 tmp = head_common_list;
753 if (STREQ (tmp->name, name))
762 /* This routine finds the first encountred COMMON block named "name"
763 that belongs to function funcname */
766 find_common_for_function (name, funcname)
771 SAVED_F77_COMMON_PTR tmp;
773 tmp = head_common_list;
777 if (STREQ (tmp->name, name) && STREQ (tmp->owning_function, funcname))
788 /* The following function is called to patch up the offsets
789 for the statics contained in the COMMON block named
793 patch_common_entries (blk, offset, secnum)
794 SAVED_F77_COMMON_PTR blk;
798 COMMON_ENTRY_PTR entry;
800 blk->offset = offset; /* Keep this around for future use. */
802 entry = blk->entries;
804 while (entry != NULL)
806 SYMBOL_VALUE (entry->symbol) += offset;
807 SYMBOL_SECTION (entry->symbol) = secnum;
811 blk->secnum = secnum;
814 /* Patch all commons named "name" that need patching.Since COMMON
815 blocks occur with relative infrequency, we simply do a linear scan on
816 the name. Eventually, the best way to do this will be a
817 hashed-lookup. Secnum is the section number for the .bss section
818 (which is where common data lives). */
821 patch_all_commons_by_name (name, offset, secnum)
827 SAVED_F77_COMMON_PTR tmp;
829 /* For blank common blocks, change the canonical reprsentation
832 if ((STREQ (name, BLANK_COMMON_NAME_ORIGINAL)) ||
833 (STREQ (name, BLANK_COMMON_NAME_MF77)))
836 name = alloca (strlen (BLANK_COMMON_NAME_LOCAL) + 1);
837 strcpy (name, BLANK_COMMON_NAME_LOCAL);
840 tmp = head_common_list;
844 if (COMMON_NEEDS_PATCHING (tmp))
845 if (STREQ (tmp->name, name))
846 patch_common_entries (tmp, offset, secnum);
853 /* This macro adds the symbol-number for the start of the function
854 (the symbol number of the .bf) referenced by symnum_fcn to a
855 list. This list, in reality should be a FIFO queue but since
856 #line pragmas sometimes cause line ranges to get messed up
857 we simply create a linear list. This list can then be searched
858 first by a queueing algorithm and upon failure fall back to
862 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
864 if (saved_bf_list == NULL) \
866 tmp_bf_ptr = allocate_saved_bf_node(); \
868 tmp_bf_ptr->symnum_bf = (bf_sym); \
869 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
870 tmp_bf_ptr->next = NULL; \
872 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
873 saved_bf_list_end = tmp_bf_ptr; \
877 tmp_bf_ptr = allocate_saved_bf_node(); \
879 tmp_bf_ptr->symnum_bf = (bf_sym); \
880 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
881 tmp_bf_ptr->next = NULL; \
883 saved_bf_list_end->next = tmp_bf_ptr; \
884 saved_bf_list_end = tmp_bf_ptr; \
888 /* This function frees the entire (.bf,function) list */
895 SAVED_BF_PTR tmp = saved_bf_list;
896 SAVED_BF_PTR next = NULL;
904 saved_bf_list = NULL;
908 int global_remote_debug;
913 get_bf_for_fcn (the_function)
919 /* First use a simple queuing algorithm (i.e. look and see if the
920 item at the head of the queue is the one you want) */
922 if (saved_bf_list == NULL)
923 fatal ("cannot get .bf node off empty list");
925 if (current_head_bf_list != NULL)
926 if (current_head_bf_list->symnum_fcn == the_function)
928 if (global_remote_debug)
929 fprintf (stderr, "*");
931 tmp = current_head_bf_list;
932 current_head_bf_list = current_head_bf_list->next;
933 return (tmp->symnum_bf);
936 /* If the above did not work (probably because #line directives were
937 used in the sourcefile and they messed up our internal tables) we now do
938 the ugly linear scan */
940 if (global_remote_debug)
941 fprintf (stderr, "\ndefaulting to linear scan\n");
948 if (tmp->symnum_fcn == the_function)
950 if (global_remote_debug)
951 fprintf (stderr, "Found in %d probes\n", nprobes);
952 current_head_bf_list = tmp->next;
953 return (tmp->symnum_bf);
961 static SAVED_FUNCTION_PTR saved_function_list = NULL;
962 static SAVED_FUNCTION_PTR saved_function_list_end = NULL;
965 clear_function_list ()
967 SAVED_FUNCTION_PTR tmp = saved_function_list;
968 SAVED_FUNCTION_PTR next = NULL;
977 saved_function_list = NULL;