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, Boston, MA 02111-1307, USA. */
23 #include "gdb_string.h"
26 #include "expression.h"
27 #include "parser-defs.h"
31 /* The built-in types of F77. FIXME: integer*4 is missing, plain
32 logical is missing (builtin_type_logical is logical*4). */
34 struct type *builtin_type_f_character;
35 struct type *builtin_type_f_logical;
36 struct type *builtin_type_f_logical_s1;
37 struct type *builtin_type_f_logical_s2;
38 struct type *builtin_type_f_integer;
39 struct type *builtin_type_f_integer_s2;
40 struct type *builtin_type_f_real;
41 struct type *builtin_type_f_real_s8;
42 struct type *builtin_type_f_real_s16;
43 struct type *builtin_type_f_complex_s8;
44 struct type *builtin_type_f_complex_s16;
45 struct type *builtin_type_f_complex_s32;
46 struct type *builtin_type_f_void;
48 /* Following is dubious stuff that had been in the xcoff reader. */
52 long line_offset; /* Line offset for function */
53 struct saved_fcn *next;
57 struct saved_bf_symnum
59 long symnum_fcn; /* Symnum of function (i.e. .function directive) */
60 long symnum_bf; /* Symnum of .bf for this function */
61 struct saved_bf_symnum *next;
64 typedef struct saved_fcn SAVED_FUNCTION, *SAVED_FUNCTION_PTR;
65 typedef struct saved_bf_symnum SAVED_BF, *SAVED_BF_PTR;
69 extern void _initialize_f_language PARAMS ((void));
71 static void clear_function_list PARAMS ((void));
72 static long get_bf_for_fcn PARAMS ((long));
73 static void clear_bf_list PARAMS ((void));
74 static void patch_all_commons_by_name PARAMS ((char *, CORE_ADDR, int));
75 static SAVED_F77_COMMON_PTR find_first_common_named PARAMS ((char *));
76 static void add_common_entry PARAMS ((struct symbol *));
77 static void add_common_block PARAMS ((char *, CORE_ADDR, int, char *));
78 static SAVED_FUNCTION *allocate_saved_function_node PARAMS ((void));
79 static SAVED_BF_PTR allocate_saved_bf_node PARAMS ((void));
80 static COMMON_ENTRY_PTR allocate_common_entry_node PARAMS ((void));
81 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node PARAMS ((void));
82 static void patch_common_entries PARAMS ((SAVED_F77_COMMON_PTR, CORE_ADDR, int));
85 static struct type *f_create_fundamental_type PARAMS ((struct objfile *, int));
86 static void f_printstr PARAMS ((GDB_FILE *stream, char *string, unsigned int length, int width, int force_ellipses));
87 static void f_printchar PARAMS ((int c, GDB_FILE *stream));
88 static void f_emit_char PARAMS ((int c, GDB_FILE *stream, int quoter));
90 /* Print the character C on STREAM as part of the contents of a literal
91 string whose delimiter is QUOTER. Note that that format for printing
92 characters and strings is language specific.
93 FIXME: This is a copy of the same function from c-exp.y. It should
94 be replaced with a true F77 version. */
97 f_emit_char (c, stream, quoter)
102 c &= 0xFF; /* Avoid sign bit follies */
104 if (PRINT_LITERAL_FORM (c))
106 if (c == '\\' || c == quoter)
107 fputs_filtered ("\\", stream);
108 fprintf_filtered (stream, "%c", c);
115 fputs_filtered ("\\n", stream);
118 fputs_filtered ("\\b", stream);
121 fputs_filtered ("\\t", stream);
124 fputs_filtered ("\\f", stream);
127 fputs_filtered ("\\r", stream);
130 fputs_filtered ("\\e", stream);
133 fputs_filtered ("\\a", stream);
136 fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
142 /* FIXME: This is a copy of the same function from c-exp.y. It should
143 be replaced with a true F77version. */
146 f_printchar (c, 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 (stream, string, length, width, force_ellipses)
170 register unsigned int i;
171 unsigned int things_printed = 0;
174 extern int inspect_it;
175 extern int repeat_count_threshold;
176 extern int print_max;
180 fputs_filtered ("''", gdb_stdout);
184 for (i = 0; i < length && things_printed < print_max; ++i)
186 /* Position of the character we are examining
187 to see whether it is repeated. */
189 /* Number of repetitions we have detected so far. */
196 fputs_filtered (", ", stream);
202 while (rep1 < length && string[rep1] == string[i])
208 if (reps > repeat_count_threshold)
213 fputs_filtered ("\\', ", stream);
215 fputs_filtered ("', ", stream);
218 f_printchar (string[i], stream);
219 fprintf_filtered (stream, " <repeats %u times>", reps);
221 things_printed += repeat_count_threshold;
229 fputs_filtered ("\\'", stream);
231 fputs_filtered ("'", stream);
234 LA_EMIT_CHAR (string[i], stream, '"');
239 /* Terminate the quotes if necessary. */
243 fputs_filtered ("\\'", stream);
245 fputs_filtered ("'", stream);
248 if (force_ellipses || i < length)
249 fputs_filtered ("...", stream);
252 /* FIXME: This is a copy of c_create_fundamental_type(), before
253 all the non-C types were stripped from it. Needs to be fixed
254 by an experienced F77 programmer. */
257 f_create_fundamental_type (objfile, typeid)
258 struct objfile *objfile;
261 register struct type *type = NULL;
266 type = init_type (TYPE_CODE_VOID,
267 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
271 type = init_type (TYPE_CODE_BOOL,
272 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
273 TYPE_FLAG_UNSIGNED, "boolean", objfile);
276 type = init_type (TYPE_CODE_STRING,
277 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
278 0, "string", objfile);
281 type = init_type (TYPE_CODE_INT,
282 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
283 0, "character", objfile);
286 type = init_type (TYPE_CODE_INT,
287 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
288 0, "integer*1", objfile);
290 case FT_UNSIGNED_CHAR:
291 type = init_type (TYPE_CODE_BOOL,
292 TARGET_CHAR_BIT / TARGET_CHAR_BIT,
293 TYPE_FLAG_UNSIGNED, "logical*1", objfile);
296 type = init_type (TYPE_CODE_INT,
297 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
298 0, "integer*2", objfile);
300 case FT_SIGNED_SHORT:
301 type = init_type (TYPE_CODE_INT,
302 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
303 0, "short", objfile); /* FIXME-fnf */
305 case FT_UNSIGNED_SHORT:
306 type = init_type (TYPE_CODE_BOOL,
307 TARGET_SHORT_BIT / TARGET_CHAR_BIT,
308 TYPE_FLAG_UNSIGNED, "logical*2", objfile);
311 type = init_type (TYPE_CODE_INT,
312 TARGET_INT_BIT / TARGET_CHAR_BIT,
313 0, "integer*4", objfile);
315 case FT_SIGNED_INTEGER:
316 type = init_type (TYPE_CODE_INT,
317 TARGET_INT_BIT / TARGET_CHAR_BIT,
318 0, "integer", objfile); /* FIXME -fnf */
320 case FT_UNSIGNED_INTEGER:
321 type = init_type (TYPE_CODE_BOOL,
322 TARGET_INT_BIT / TARGET_CHAR_BIT,
323 TYPE_FLAG_UNSIGNED, "logical*4", objfile);
325 case FT_FIXED_DECIMAL:
326 type = init_type (TYPE_CODE_INT,
327 TARGET_INT_BIT / TARGET_CHAR_BIT,
328 0, "fixed decimal", objfile);
331 type = init_type (TYPE_CODE_INT,
332 TARGET_LONG_BIT / TARGET_CHAR_BIT,
336 type = init_type (TYPE_CODE_INT,
337 TARGET_LONG_BIT / TARGET_CHAR_BIT,
338 0, "long", objfile); /* FIXME -fnf */
340 case FT_UNSIGNED_LONG:
341 type = init_type (TYPE_CODE_INT,
342 TARGET_LONG_BIT / TARGET_CHAR_BIT,
343 TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
346 type = init_type (TYPE_CODE_INT,
347 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
348 0, "long long", objfile);
350 case FT_SIGNED_LONG_LONG:
351 type = init_type (TYPE_CODE_INT,
352 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
353 0, "signed long long", objfile);
355 case FT_UNSIGNED_LONG_LONG:
356 type = init_type (TYPE_CODE_INT,
357 TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
358 TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
361 type = init_type (TYPE_CODE_FLT,
362 TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
365 case FT_DBL_PREC_FLOAT:
366 type = init_type (TYPE_CODE_FLT,
367 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
368 0, "real*8", objfile);
370 case FT_FLOAT_DECIMAL:
371 type = init_type (TYPE_CODE_FLT,
372 TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
373 0, "floating decimal", objfile);
375 case FT_EXT_PREC_FLOAT:
376 type = init_type (TYPE_CODE_FLT,
377 TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
378 0, "real*16", objfile);
381 type = init_type (TYPE_CODE_COMPLEX,
382 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
383 0, "complex*8", objfile);
384 TYPE_TARGET_TYPE (type) = builtin_type_f_real;
386 case FT_DBL_PREC_COMPLEX:
387 type = init_type (TYPE_CODE_COMPLEX,
388 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
389 0, "complex*16", objfile);
390 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s8;
392 case FT_EXT_PREC_COMPLEX:
393 type = init_type (TYPE_CODE_COMPLEX,
394 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
395 0, "complex*32", objfile);
396 TYPE_TARGET_TYPE (type) = builtin_type_f_real_s16;
399 /* FIXME: For now, if we are asked to produce a type not in this
400 language, create the equivalent of a C integer type with the
401 name "<?type?>". When all the dust settles from the type
402 reconstruction work, this should probably become an error. */
403 type = init_type (TYPE_CODE_INT,
404 TARGET_INT_BIT / TARGET_CHAR_BIT,
405 0, "<?type?>", objfile);
406 warning ("internal error: no F77 fundamental type %d", typeid);
413 /* Table of operators and their precedences for printing expressions. */
415 static const struct op_print f_op_print_tab[] = {
416 { "+", BINOP_ADD, PREC_ADD, 0 },
417 { "+", UNOP_PLUS, PREC_PREFIX, 0 },
418 { "-", BINOP_SUB, PREC_ADD, 0 },
419 { "-", UNOP_NEG, PREC_PREFIX, 0 },
420 { "*", BINOP_MUL, PREC_MUL, 0 },
421 { "/", BINOP_DIV, PREC_MUL, 0 },
422 { "DIV", BINOP_INTDIV, PREC_MUL, 0 },
423 { "MOD", BINOP_REM, PREC_MUL, 0 },
424 { "=", BINOP_ASSIGN, PREC_ASSIGN, 1 },
425 { ".OR.", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0 },
426 { ".AND.", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0 },
427 { ".NOT.", UNOP_LOGICAL_NOT, PREC_PREFIX, 0 },
428 { ".EQ.", BINOP_EQUAL, PREC_EQUAL, 0 },
429 { ".NE.", BINOP_NOTEQUAL, PREC_EQUAL, 0 },
430 { ".LE.", BINOP_LEQ, PREC_ORDER, 0 },
431 { ".GE.", BINOP_GEQ, PREC_ORDER, 0 },
432 { ".GT.", BINOP_GTR, PREC_ORDER, 0 },
433 { ".LT.", BINOP_LESS, PREC_ORDER, 0 },
434 { "**", UNOP_IND, PREC_PREFIX, 0 },
435 { "@", BINOP_REPEAT, PREC_REPEAT, 0 },
439 struct type ** CONST_PTR (f_builtin_types[]) =
441 &builtin_type_f_character,
442 &builtin_type_f_logical,
443 &builtin_type_f_logical_s1,
444 &builtin_type_f_logical_s2,
445 &builtin_type_f_integer,
446 &builtin_type_f_integer_s2,
447 &builtin_type_f_real,
448 &builtin_type_f_real_s8,
449 &builtin_type_f_real_s16,
450 &builtin_type_f_complex_s8,
451 &builtin_type_f_complex_s16,
453 &builtin_type_f_complex_s32,
455 &builtin_type_f_void,
459 /* This is declared in c-lang.h but it is silly to import that file for what
460 is already just a hack. */
462 c_value_print PARAMS ((struct value *, GDB_FILE *, int, enum val_prettyprint));
464 const struct language_defn f_language_defn = {
470 f_parse, /* parser */
471 f_error, /* parser error function */
472 evaluate_subexp_standard,
473 f_printchar, /* Print character constant */
474 f_printstr, /* function to print string constant */
475 f_emit_char, /* Function to print a single character */
476 f_create_fundamental_type, /* Create fundamental type in this language */
477 f_print_type, /* Print a type using appropriate syntax */
478 f_val_print, /* Print a value using appropriate syntax */
479 c_value_print, /* FIXME */
480 {"", "", "", ""}, /* Binary format info */
481 {"0%o", "0", "o", ""}, /* Octal format info */
482 {"%d", "", "d", ""}, /* Decimal format info */
483 {"0x%x", "0x", "x", ""}, /* Hex format info */
484 f_op_print_tab, /* expression operators for printing */
485 0, /* arrays are first-class (not c-style) */
486 1, /* String lower bound */
487 &builtin_type_f_character, /* Type of string elements */
492 _initialize_f_language ()
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;
565 builtin_type_string =
566 init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
568 "character string", (struct objfile *) NULL);
570 add_language (&f_language_defn);
575 allocate_saved_bf_node()
579 new = (SAVED_BF_PTR) xmalloc (sizeof (SAVED_BF));
583 static SAVED_FUNCTION *
584 allocate_saved_function_node()
588 new = (SAVED_FUNCTION *) xmalloc (sizeof (SAVED_FUNCTION));
592 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node()
594 SAVED_F77_COMMON_PTR new;
596 new = (SAVED_F77_COMMON_PTR) xmalloc (sizeof (SAVED_F77_COMMON));
600 static COMMON_ENTRY_PTR allocate_common_entry_node()
602 COMMON_ENTRY_PTR new;
604 new = (COMMON_ENTRY_PTR) xmalloc (sizeof (COMMON_ENTRY));
609 SAVED_F77_COMMON_PTR head_common_list=NULL; /* Ptr to 1st saved COMMON */
610 SAVED_F77_COMMON_PTR tail_common_list=NULL; /* Ptr to last saved COMMON */
611 SAVED_F77_COMMON_PTR current_common=NULL; /* Ptr to current COMMON */
614 static SAVED_BF_PTR saved_bf_list=NULL; /* Ptr to (.bf,function)
616 static SAVED_BF_PTR saved_bf_list_end=NULL; /* Ptr to above list's end */
617 static SAVED_BF_PTR current_head_bf_list=NULL; /* Current head of above list
620 static SAVED_BF_PTR tmp_bf_ptr; /* Generic temporary for use
623 /* The following function simply enters a given common block onto
624 the global common block chain */
627 add_common_block(name,offset,secnum,func_stab)
633 SAVED_F77_COMMON_PTR tmp;
634 char *c,*local_copy_func_stab;
636 /* If the COMMON block we are trying to add has a blank
637 name (i.e. "#BLNK_COM") then we set it to __BLANK
638 because the darn "#" character makes GDB's input
642 if (STREQ(name,BLANK_COMMON_NAME_ORIGINAL) ||
643 STREQ(name,BLANK_COMMON_NAME_MF77))
647 name = alloca(strlen(BLANK_COMMON_NAME_LOCAL) + 1);
648 strcpy(name,BLANK_COMMON_NAME_LOCAL);
651 tmp = allocate_saved_f77_common_node();
653 local_copy_func_stab = xmalloc (strlen(func_stab) + 1);
654 strcpy(local_copy_func_stab,func_stab);
656 tmp->name = xmalloc(strlen(name) + 1);
658 /* local_copy_func_stab is a stabstring, let us first extract the
659 function name from the stab by NULLing out the ':' character. */
663 c = strchr(local_copy_func_stab,':');
668 error("Malformed function STAB found in add_common_block()");
671 tmp->owning_function = xmalloc (strlen(local_copy_func_stab) + 1);
673 strcpy(tmp->owning_function,local_copy_func_stab);
675 strcpy(tmp->name,name);
676 tmp->offset = offset;
679 tmp->secnum = secnum;
681 current_common = tmp;
683 if (head_common_list == NULL)
685 head_common_list = tail_common_list = tmp;
689 tail_common_list->next = tmp;
690 tail_common_list = tmp;
695 /* The following function simply enters a given common entry onto
696 the "current_common" block that has been saved away. */
700 add_common_entry(entry_sym_ptr)
701 struct symbol *entry_sym_ptr;
703 COMMON_ENTRY_PTR tmp;
707 /* The order of this list is important, since
708 we expect the entries to appear in decl.
709 order when we later issue "info common" calls */
711 tmp = allocate_common_entry_node();
714 tmp->symbol = entry_sym_ptr;
716 if (current_common == NULL)
717 error("Attempt to add COMMON entry with no block open!");
720 if (current_common->entries == NULL)
722 current_common->entries = tmp;
723 current_common->end_of_entries = tmp;
727 current_common->end_of_entries->next = tmp;
728 current_common->end_of_entries = tmp;
734 /* This routine finds the first encountred COMMON block named "name" */
737 static SAVED_F77_COMMON_PTR
738 find_first_common_named(name)
742 SAVED_F77_COMMON_PTR tmp;
744 tmp = head_common_list;
748 if (STREQ(tmp->name,name))
757 /* This routine finds the first encountred COMMON block named "name"
758 that belongs to function funcname */
760 SAVED_F77_COMMON_PTR find_common_for_function(name, funcname)
765 SAVED_F77_COMMON_PTR tmp;
767 tmp = head_common_list;
771 if (STREQ(tmp->name,name) && STREQ(tmp->owning_function,funcname))
782 /* The following function is called to patch up the offsets
783 for the statics contained in the COMMON block named
787 patch_common_entries (blk, offset, secnum)
788 SAVED_F77_COMMON_PTR blk;
792 COMMON_ENTRY_PTR entry;
794 blk->offset = offset; /* Keep this around for future use. */
796 entry = blk->entries;
798 while (entry != NULL)
800 SYMBOL_VALUE (entry->symbol) += offset;
801 SYMBOL_SECTION (entry->symbol) = secnum;
805 blk->secnum = secnum;
808 /* Patch all commons named "name" that need patching.Since COMMON
809 blocks occur with relative infrequency, we simply do a linear scan on
810 the name. Eventually, the best way to do this will be a
811 hashed-lookup. Secnum is the section number for the .bss section
812 (which is where common data lives). */
815 patch_all_commons_by_name (name, offset, secnum)
821 SAVED_F77_COMMON_PTR tmp;
823 /* For blank common blocks, change the canonical reprsentation
826 if ((STREQ(name,BLANK_COMMON_NAME_ORIGINAL)) ||
827 (STREQ(name,BLANK_COMMON_NAME_MF77)))
830 name = alloca(strlen(BLANK_COMMON_NAME_LOCAL) + 1);
831 strcpy(name,BLANK_COMMON_NAME_LOCAL);
834 tmp = head_common_list;
838 if (COMMON_NEEDS_PATCHING(tmp))
839 if (STREQ(tmp->name,name))
840 patch_common_entries(tmp,offset,secnum);
847 /* This macro adds the symbol-number for the start of the function
848 (the symbol number of the .bf) referenced by symnum_fcn to a
849 list. This list, in reality should be a FIFO queue but since
850 #line pragmas sometimes cause line ranges to get messed up
851 we simply create a linear list. This list can then be searched
852 first by a queueing algorithm and upon failure fall back to
856 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
858 if (saved_bf_list == NULL) \
860 tmp_bf_ptr = allocate_saved_bf_node(); \
862 tmp_bf_ptr->symnum_bf = (bf_sym); \
863 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
864 tmp_bf_ptr->next = NULL; \
866 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
867 saved_bf_list_end = tmp_bf_ptr; \
871 tmp_bf_ptr = allocate_saved_bf_node(); \
873 tmp_bf_ptr->symnum_bf = (bf_sym); \
874 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
875 tmp_bf_ptr->next = NULL; \
877 saved_bf_list_end->next = tmp_bf_ptr; \
878 saved_bf_list_end = tmp_bf_ptr; \
882 /* This function frees the entire (.bf,function) list */
889 SAVED_BF_PTR tmp = saved_bf_list;
890 SAVED_BF_PTR next = NULL;
898 saved_bf_list = NULL;
902 int global_remote_debug;
907 get_bf_for_fcn (the_function)
913 /* First use a simple queuing algorithm (i.e. look and see if the
914 item at the head of the queue is the one you want) */
916 if (saved_bf_list == NULL)
917 fatal ("cannot get .bf node off empty list");
919 if (current_head_bf_list != NULL)
920 if (current_head_bf_list->symnum_fcn == the_function)
922 if (global_remote_debug)
925 tmp = current_head_bf_list;
926 current_head_bf_list = current_head_bf_list->next;
927 return(tmp->symnum_bf);
930 /* If the above did not work (probably because #line directives were
931 used in the sourcefile and they messed up our internal tables) we now do
932 the ugly linear scan */
934 if (global_remote_debug)
935 fprintf(stderr,"\ndefaulting to linear scan\n");
942 if (tmp->symnum_fcn == the_function)
944 if (global_remote_debug)
945 fprintf(stderr,"Found in %d probes\n",nprobes);
946 current_head_bf_list = tmp->next;
947 return(tmp->symnum_bf);
955 static SAVED_FUNCTION_PTR saved_function_list=NULL;
956 static SAVED_FUNCTION_PTR saved_function_list_end=NULL;
959 clear_function_list()
961 SAVED_FUNCTION_PTR tmp = saved_function_list;
962 SAVED_FUNCTION_PTR next = NULL;
971 saved_function_list = NULL;