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 TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
359 case FT_DBL_PREC_FLOAT
:
360 type
= init_type (TYPE_CODE_FLT
,
361 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
362 0, "real*8", objfile
);
364 case FT_FLOAT_DECIMAL
:
365 type
= init_type (TYPE_CODE_FLT
,
366 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
367 0, "floating decimal", objfile
);
369 case FT_EXT_PREC_FLOAT
:
370 type
= init_type (TYPE_CODE_FLT
,
371 TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
372 0, "real*16", objfile
);
375 type
= init_type (TYPE_CODE_COMPLEX
,
376 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
377 0, "complex*8", objfile
);
378 TYPE_TARGET_TYPE (type
) = builtin_type_f_real
;
380 case FT_DBL_PREC_COMPLEX
:
381 type
= init_type (TYPE_CODE_COMPLEX
,
382 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
383 0, "complex*16", objfile
);
384 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s8
;
386 case FT_EXT_PREC_COMPLEX
:
387 type
= init_type (TYPE_CODE_COMPLEX
,
388 2 * TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
389 0, "complex*32", objfile
);
390 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s16
;
393 /* FIXME: For now, if we are asked to produce a type not in this
394 language, create the equivalent of a C integer type with the
395 name "<?type?>". When all the dust settles from the type
396 reconstruction work, this should probably become an error. */
397 type
= init_type (TYPE_CODE_INT
,
398 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
399 0, "<?type?>", objfile
);
400 warning (_("internal error: no F77 fundamental type %d"), typeid);
407 /* Table of operators and their precedences for printing expressions. */
409 static const struct op_print f_op_print_tab
[] =
411 {"+", BINOP_ADD
, PREC_ADD
, 0},
412 {"+", UNOP_PLUS
, PREC_PREFIX
, 0},
413 {"-", BINOP_SUB
, PREC_ADD
, 0},
414 {"-", UNOP_NEG
, PREC_PREFIX
, 0},
415 {"*", BINOP_MUL
, PREC_MUL
, 0},
416 {"/", BINOP_DIV
, PREC_MUL
, 0},
417 {"DIV", BINOP_INTDIV
, PREC_MUL
, 0},
418 {"MOD", BINOP_REM
, PREC_MUL
, 0},
419 {"=", BINOP_ASSIGN
, PREC_ASSIGN
, 1},
420 {".OR.", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0},
421 {".AND.", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0},
422 {".NOT.", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0},
423 {".EQ.", BINOP_EQUAL
, PREC_EQUAL
, 0},
424 {".NE.", BINOP_NOTEQUAL
, PREC_EQUAL
, 0},
425 {".LE.", BINOP_LEQ
, PREC_ORDER
, 0},
426 {".GE.", BINOP_GEQ
, PREC_ORDER
, 0},
427 {".GT.", BINOP_GTR
, PREC_ORDER
, 0},
428 {".LT.", BINOP_LESS
, PREC_ORDER
, 0},
429 {"**", UNOP_IND
, PREC_PREFIX
, 0},
430 {"@", BINOP_REPEAT
, PREC_REPEAT
, 0},
434 struct type
**const (f_builtin_types
[]) =
436 &builtin_type_f_character
,
437 &builtin_type_f_logical
,
438 &builtin_type_f_logical_s1
,
439 &builtin_type_f_logical_s2
,
440 &builtin_type_f_integer
,
441 &builtin_type_f_integer_s2
,
442 &builtin_type_f_real
,
443 &builtin_type_f_real_s8
,
444 &builtin_type_f_real_s16
,
445 &builtin_type_f_complex_s8
,
446 &builtin_type_f_complex_s16
,
448 &builtin_type_f_complex_s32
,
450 &builtin_type_f_void
,
454 /* This is declared in c-lang.h but it is silly to import that file for what
455 is already just a hack. */
456 extern int c_value_print (struct value
*, struct ui_file
*, int,
457 enum val_prettyprint
);
459 const struct language_defn f_language_defn
=
468 &exp_descriptor_standard
,
469 f_parse
, /* parser */
470 f_error
, /* parser error function */
472 f_printchar
, /* Print character constant */
473 f_printstr
, /* function to print string constant */
474 f_emit_char
, /* Function to print a single character */
475 f_create_fundamental_type
, /* Create fundamental type in this language */
476 f_print_type
, /* Print a type using appropriate syntax */
477 f_val_print
, /* Print a value using appropriate syntax */
478 c_value_print
, /* FIXME */
479 NULL
, /* Language specific skip_trampoline */
480 value_of_this
, /* value_of_this */
481 basic_lookup_symbol_nonlocal
, /* lookup_symbol_nonlocal */
482 basic_lookup_transparent_type
,/* lookup_transparent_type */
483 NULL
, /* Language specific symbol demangler */
484 NULL
, /* Language specific class_name_from_physname */
485 f_op_print_tab
, /* expression operators for printing */
486 0, /* arrays are first-class (not c-style) */
487 1, /* String lower bound */
488 &builtin_type_f_character
, /* Type of string elements */
489 default_word_break_characters
,
490 NULL
, /* FIXME: la_language_arch_info. */
491 default_print_array_index
,
496 build_fortran_types (void)
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
,
515 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
516 0, "integer*2", (struct objfile
*) NULL
);
518 builtin_type_f_logical_s2
=
519 init_type (TYPE_CODE_BOOL
,
520 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
521 TYPE_FLAG_UNSIGNED
, "logical*2", (struct objfile
*) NULL
);
523 builtin_type_f_integer
=
524 init_type (TYPE_CODE_INT
,
525 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
526 0, "integer", (struct objfile
*) NULL
);
528 builtin_type_f_logical
=
529 init_type (TYPE_CODE_BOOL
,
530 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
531 TYPE_FLAG_UNSIGNED
, "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
;
571 _initialize_f_language (void)
573 build_fortran_types ();
575 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_character
);
576 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical
);
577 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s1
);
578 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_logical_s2
);
579 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer
);
580 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_integer_s2
);
581 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real
);
582 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s8
);
583 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_real_s16
);
584 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s8
);
585 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s16
);
586 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_complex_s32
);
587 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_f_void
);
588 DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_string
);
589 deprecated_register_gdbarch_swap (NULL
, 0, build_fortran_types
);
591 builtin_type_string
=
592 init_type (TYPE_CODE_STRING
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
594 "character string", (struct objfile
*) NULL
);
596 add_language (&f_language_defn
);
601 allocate_saved_bf_node (void)
605 new = (SAVED_BF_PTR
) xmalloc (sizeof (SAVED_BF
));
609 static SAVED_FUNCTION
*
610 allocate_saved_function_node (void)
614 new = (SAVED_FUNCTION
*) xmalloc (sizeof (SAVED_FUNCTION
));
618 static SAVED_F77_COMMON_PTR
619 allocate_saved_f77_common_node (void)
621 SAVED_F77_COMMON_PTR
new;
623 new = (SAVED_F77_COMMON_PTR
) xmalloc (sizeof (SAVED_F77_COMMON
));
627 static COMMON_ENTRY_PTR
628 allocate_common_entry_node (void)
630 COMMON_ENTRY_PTR
new;
632 new = (COMMON_ENTRY_PTR
) xmalloc (sizeof (COMMON_ENTRY
));
637 SAVED_F77_COMMON_PTR head_common_list
= NULL
; /* Ptr to 1st saved COMMON */
638 SAVED_F77_COMMON_PTR tail_common_list
= NULL
; /* Ptr to last saved COMMON */
639 SAVED_F77_COMMON_PTR current_common
= NULL
; /* Ptr to current COMMON */
642 static SAVED_BF_PTR saved_bf_list
= NULL
; /* Ptr to (.bf,function)
644 static SAVED_BF_PTR saved_bf_list_end
= NULL
; /* Ptr to above list's end */
645 static SAVED_BF_PTR current_head_bf_list
= NULL
; /* Current head of above list
648 static SAVED_BF_PTR tmp_bf_ptr
; /* Generic temporary for use
651 /* The following function simply enters a given common block onto
652 the global common block chain */
655 add_common_block (char *name
, CORE_ADDR offset
, int secnum
, char *func_stab
)
657 SAVED_F77_COMMON_PTR tmp
;
658 char *c
, *local_copy_func_stab
;
660 /* If the COMMON block we are trying to add has a blank
661 name (i.e. "#BLNK_COM") then we set it to __BLANK
662 because the darn "#" character makes GDB's input
666 if (strcmp (name
, BLANK_COMMON_NAME_ORIGINAL
) == 0
667 || strcmp (name
, BLANK_COMMON_NAME_MF77
) == 0)
671 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
672 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
675 tmp
= allocate_saved_f77_common_node ();
677 local_copy_func_stab
= xmalloc (strlen (func_stab
) + 1);
678 strcpy (local_copy_func_stab
, func_stab
);
680 tmp
->name
= xmalloc (strlen (name
) + 1);
682 /* local_copy_func_stab is a stabstring, let us first extract the
683 function name from the stab by NULLing out the ':' character. */
687 c
= strchr (local_copy_func_stab
, ':');
692 error (_("Malformed function STAB found in add_common_block()"));
695 tmp
->owning_function
= xmalloc (strlen (local_copy_func_stab
) + 1);
697 strcpy (tmp
->owning_function
, local_copy_func_stab
);
699 strcpy (tmp
->name
, name
);
700 tmp
->offset
= offset
;
703 tmp
->secnum
= secnum
;
705 current_common
= tmp
;
707 if (head_common_list
== NULL
)
709 head_common_list
= tail_common_list
= tmp
;
713 tail_common_list
->next
= tmp
;
714 tail_common_list
= tmp
;
719 /* The following function simply enters a given common entry onto
720 the "current_common" block that has been saved away. */
724 add_common_entry (struct symbol
*entry_sym_ptr
)
726 COMMON_ENTRY_PTR tmp
;
730 /* The order of this list is important, since
731 we expect the entries to appear in decl.
732 order when we later issue "info common" calls */
734 tmp
= allocate_common_entry_node ();
737 tmp
->symbol
= entry_sym_ptr
;
739 if (current_common
== NULL
)
740 error (_("Attempt to add COMMON entry with no block open!"));
743 if (current_common
->entries
== NULL
)
745 current_common
->entries
= tmp
;
746 current_common
->end_of_entries
= tmp
;
750 current_common
->end_of_entries
->next
= tmp
;
751 current_common
->end_of_entries
= tmp
;
757 /* This routine finds the first encountred COMMON block named "name" */
760 static SAVED_F77_COMMON_PTR
761 find_first_common_named (char *name
)
764 SAVED_F77_COMMON_PTR tmp
;
766 tmp
= head_common_list
;
770 if (strcmp (tmp
->name
, name
) == 0)
779 /* This routine finds the first encountred COMMON block named "name"
780 that belongs to function funcname */
783 find_common_for_function (char *name
, char *funcname
)
786 SAVED_F77_COMMON_PTR tmp
;
788 tmp
= head_common_list
;
792 if (DEPRECATED_STREQ (tmp
->name
, name
)
793 && DEPRECATED_STREQ (tmp
->owning_function
, funcname
))
804 /* The following function is called to patch up the offsets
805 for the statics contained in the COMMON block named
809 patch_common_entries (SAVED_F77_COMMON_PTR blk
, CORE_ADDR offset
, int secnum
)
811 COMMON_ENTRY_PTR entry
;
813 blk
->offset
= offset
; /* Keep this around for future use. */
815 entry
= blk
->entries
;
817 while (entry
!= NULL
)
819 SYMBOL_VALUE (entry
->symbol
) += offset
;
820 SYMBOL_SECTION (entry
->symbol
) = secnum
;
824 blk
->secnum
= secnum
;
827 /* Patch all commons named "name" that need patching.Since COMMON
828 blocks occur with relative infrequency, we simply do a linear scan on
829 the name. Eventually, the best way to do this will be a
830 hashed-lookup. Secnum is the section number for the .bss section
831 (which is where common data lives). */
834 patch_all_commons_by_name (char *name
, CORE_ADDR offset
, int secnum
)
837 SAVED_F77_COMMON_PTR tmp
;
839 /* For blank common blocks, change the canonical reprsentation
842 if (strcmp (name
, BLANK_COMMON_NAME_ORIGINAL
) == 0
843 || strcmp (name
, BLANK_COMMON_NAME_MF77
) == 0)
846 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
847 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
850 tmp
= head_common_list
;
854 if (COMMON_NEEDS_PATCHING (tmp
))
855 if (strcmp (tmp
->name
, name
) == 0)
856 patch_common_entries (tmp
, offset
, secnum
);
863 /* This macro adds the symbol-number for the start of the function
864 (the symbol number of the .bf) referenced by symnum_fcn to a
865 list. This list, in reality should be a FIFO queue but since
866 #line pragmas sometimes cause line ranges to get messed up
867 we simply create a linear list. This list can then be searched
868 first by a queueing algorithm and upon failure fall back to
872 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
874 if (saved_bf_list == NULL) \
876 tmp_bf_ptr = allocate_saved_bf_node(); \
878 tmp_bf_ptr->symnum_bf = (bf_sym); \
879 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
880 tmp_bf_ptr->next = NULL; \
882 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
883 saved_bf_list_end = tmp_bf_ptr; \
887 tmp_bf_ptr = allocate_saved_bf_node(); \
889 tmp_bf_ptr->symnum_bf = (bf_sym); \
890 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
891 tmp_bf_ptr->next = NULL; \
893 saved_bf_list_end->next = tmp_bf_ptr; \
894 saved_bf_list_end = tmp_bf_ptr; \
898 /* This function frees the entire (.bf,function) list */
905 SAVED_BF_PTR tmp
= saved_bf_list
;
906 SAVED_BF_PTR next
= NULL
;
914 saved_bf_list
= NULL
;
918 int global_remote_debug
;
923 get_bf_for_fcn (long the_function
)
928 /* First use a simple queuing algorithm (i.e. look and see if the
929 item at the head of the queue is the one you want) */
931 if (saved_bf_list
== NULL
)
932 internal_error (__FILE__
, __LINE__
,
933 _("cannot get .bf node off empty list"));
935 if (current_head_bf_list
!= NULL
)
936 if (current_head_bf_list
->symnum_fcn
== the_function
)
938 if (global_remote_debug
)
939 fprintf_unfiltered (gdb_stderr
, "*");
941 tmp
= current_head_bf_list
;
942 current_head_bf_list
= current_head_bf_list
->next
;
943 return (tmp
->symnum_bf
);
946 /* If the above did not work (probably because #line directives were
947 used in the sourcefile and they messed up our internal tables) we now do
948 the ugly linear scan */
950 if (global_remote_debug
)
951 fprintf_unfiltered (gdb_stderr
, "\ndefaulting to linear scan\n");
958 if (tmp
->symnum_fcn
== the_function
)
960 if (global_remote_debug
)
961 fprintf_unfiltered (gdb_stderr
, "Found in %d probes\n", nprobes
);
962 current_head_bf_list
= tmp
->next
;
963 return (tmp
->symnum_bf
);
971 static SAVED_FUNCTION_PTR saved_function_list
= NULL
;
972 static SAVED_FUNCTION_PTR saved_function_list_end
= NULL
;
975 clear_function_list (void)
977 SAVED_FUNCTION_PTR tmp
= saved_function_list
;
978 SAVED_FUNCTION_PTR next
= NULL
;
987 saved_function_list
= NULL
;