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 3 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, see <http://www.gnu.org/licenses/>. */
25 #include "gdb_string.h"
28 #include "expression.h"
29 #include "parser-defs.h"
36 /* Following is dubious stuff that had been in the xcoff reader. */
40 long line_offset
; /* Line offset for function */
41 struct saved_fcn
*next
;
45 struct saved_bf_symnum
47 long symnum_fcn
; /* Symnum of function (i.e. .function directive) */
48 long symnum_bf
; /* Symnum of .bf for this function */
49 struct saved_bf_symnum
*next
;
52 typedef struct saved_fcn SAVED_FUNCTION
, *SAVED_FUNCTION_PTR
;
53 typedef struct saved_bf_symnum SAVED_BF
, *SAVED_BF_PTR
;
57 extern void _initialize_f_language (void);
59 static void clear_function_list (void);
60 static long get_bf_for_fcn (long);
61 static void clear_bf_list (void);
62 static void patch_all_commons_by_name (char *, CORE_ADDR
, int);
63 static SAVED_F77_COMMON_PTR
find_first_common_named (char *);
64 static void add_common_entry (struct symbol
*);
65 static void add_common_block (char *, CORE_ADDR
, int, char *);
66 static SAVED_FUNCTION
*allocate_saved_function_node (void);
67 static SAVED_BF_PTR
allocate_saved_bf_node (void);
68 static COMMON_ENTRY_PTR
allocate_common_entry_node (void);
69 static SAVED_F77_COMMON_PTR
allocate_saved_f77_common_node (void);
70 static void patch_common_entries (SAVED_F77_COMMON_PTR
, CORE_ADDR
, int);
73 static struct type
*f_create_fundamental_type (struct objfile
*, int);
74 static void f_printchar (int c
, struct ui_file
* stream
);
75 static void f_emit_char (int c
, struct ui_file
* stream
, int quoter
);
77 /* Print the character C on STREAM as part of the contents of a literal
78 string whose delimiter is QUOTER. Note that that format for printing
79 characters and strings is language specific.
80 FIXME: This is a copy of the same function from c-exp.y. It should
81 be replaced with a true F77 version. */
84 f_emit_char (int c
, struct ui_file
*stream
, int quoter
)
86 c
&= 0xFF; /* Avoid sign bit follies */
88 if (PRINT_LITERAL_FORM (c
))
90 if (c
== '\\' || c
== quoter
)
91 fputs_filtered ("\\", stream
);
92 fprintf_filtered (stream
, "%c", c
);
99 fputs_filtered ("\\n", stream
);
102 fputs_filtered ("\\b", stream
);
105 fputs_filtered ("\\t", stream
);
108 fputs_filtered ("\\f", stream
);
111 fputs_filtered ("\\r", stream
);
114 fputs_filtered ("\\e", stream
);
117 fputs_filtered ("\\a", stream
);
120 fprintf_filtered (stream
, "\\%.3o", (unsigned int) c
);
126 /* FIXME: This is a copy of the same function from c-exp.y. It should
127 be replaced with a true F77version. */
130 f_printchar (int c
, struct ui_file
*stream
)
132 fputs_filtered ("'", stream
);
133 LA_EMIT_CHAR (c
, stream
, '\'');
134 fputs_filtered ("'", stream
);
137 /* Print the character string STRING, printing at most LENGTH characters.
138 Printing stops early if the number hits print_max; repeat counts
139 are printed as appropriate. Print ellipses at the end if we
140 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
141 FIXME: This is a copy of the same function from c-exp.y. It should
142 be replaced with a true F77 version. */
145 f_printstr (struct ui_file
*stream
, const gdb_byte
*string
,
146 unsigned int length
, int width
, int force_ellipses
)
149 unsigned int things_printed
= 0;
155 fputs_filtered ("''", gdb_stdout
);
159 for (i
= 0; i
< length
&& things_printed
< print_max
; ++i
)
161 /* Position of the character we are examining
162 to see whether it is repeated. */
164 /* Number of repetitions we have detected so far. */
171 fputs_filtered (", ", stream
);
177 while (rep1
< length
&& string
[rep1
] == string
[i
])
183 if (reps
> repeat_count_threshold
)
188 fputs_filtered ("\\', ", stream
);
190 fputs_filtered ("', ", stream
);
193 f_printchar (string
[i
], stream
);
194 fprintf_filtered (stream
, " <repeats %u times>", reps
);
196 things_printed
+= repeat_count_threshold
;
204 fputs_filtered ("\\'", stream
);
206 fputs_filtered ("'", stream
);
209 LA_EMIT_CHAR (string
[i
], stream
, '"');
214 /* Terminate the quotes if necessary. */
218 fputs_filtered ("\\'", stream
);
220 fputs_filtered ("'", stream
);
223 if (force_ellipses
|| i
< length
)
224 fputs_filtered ("...", stream
);
227 /* FIXME: This is a copy of c_create_fundamental_type(), before
228 all the non-C types were stripped from it. Needs to be fixed
229 by an experienced F77 programmer. */
232 f_create_fundamental_type (struct objfile
*objfile
, int typeid)
234 struct type
*type
= NULL
;
239 type
= init_type (TYPE_CODE_VOID
,
240 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
244 type
= init_type (TYPE_CODE_BOOL
,
245 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
246 TYPE_FLAG_UNSIGNED
, "boolean", objfile
);
249 type
= init_type (TYPE_CODE_STRING
,
250 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
251 0, "string", objfile
);
254 type
= init_type (TYPE_CODE_INT
,
255 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
256 0, "character", objfile
);
259 type
= init_type (TYPE_CODE_INT
,
260 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
261 0, "integer*1", objfile
);
263 case FT_UNSIGNED_CHAR
:
264 type
= init_type (TYPE_CODE_BOOL
,
265 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
266 TYPE_FLAG_UNSIGNED
, "logical*1", objfile
);
269 type
= init_type (TYPE_CODE_INT
,
270 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
271 0, "integer*2", objfile
);
273 case FT_SIGNED_SHORT
:
274 type
= init_type (TYPE_CODE_INT
,
275 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
276 0, "short", objfile
); /* FIXME-fnf */
278 case FT_UNSIGNED_SHORT
:
279 type
= init_type (TYPE_CODE_BOOL
,
280 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
281 TYPE_FLAG_UNSIGNED
, "logical*2", objfile
);
284 type
= init_type (TYPE_CODE_INT
,
285 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
286 0, "integer*4", objfile
);
288 case FT_SIGNED_INTEGER
:
289 type
= init_type (TYPE_CODE_INT
,
290 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
291 0, "integer", objfile
); /* FIXME -fnf */
293 case FT_UNSIGNED_INTEGER
:
294 type
= init_type (TYPE_CODE_BOOL
,
295 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
296 TYPE_FLAG_UNSIGNED
, "logical*4", objfile
);
298 case FT_FIXED_DECIMAL
:
299 type
= init_type (TYPE_CODE_INT
,
300 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
301 0, "fixed decimal", objfile
);
304 type
= init_type (TYPE_CODE_INT
,
305 gdbarch_long_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
309 type
= init_type (TYPE_CODE_INT
,
310 gdbarch_long_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
311 0, "long", objfile
); /* FIXME -fnf */
313 case FT_UNSIGNED_LONG
:
314 type
= init_type (TYPE_CODE_INT
,
315 gdbarch_long_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
316 TYPE_FLAG_UNSIGNED
, "unsigned long", objfile
);
319 type
= init_type (TYPE_CODE_INT
,
320 gdbarch_long_long_bit (current_gdbarch
)
322 0, "long long", objfile
);
324 case FT_SIGNED_LONG_LONG
:
325 type
= init_type (TYPE_CODE_INT
,
326 gdbarch_long_long_bit (current_gdbarch
)
328 0, "signed long long", objfile
);
330 case FT_UNSIGNED_LONG_LONG
:
331 type
= init_type (TYPE_CODE_INT
,
332 gdbarch_long_long_bit (current_gdbarch
)
334 TYPE_FLAG_UNSIGNED
, "unsigned long long", objfile
);
337 type
= init_type (TYPE_CODE_FLT
,
338 gdbarch_float_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
341 case FT_DBL_PREC_FLOAT
:
342 type
= init_type (TYPE_CODE_FLT
,
343 gdbarch_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
344 0, "real*8", objfile
);
346 case FT_FLOAT_DECIMAL
:
347 type
= init_type (TYPE_CODE_FLT
,
348 gdbarch_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
349 0, "floating decimal", objfile
);
351 case FT_EXT_PREC_FLOAT
:
352 type
= init_type (TYPE_CODE_FLT
,
353 gdbarch_long_double_bit (current_gdbarch
)
355 0, "real*16", objfile
);
358 type
= init_type (TYPE_CODE_COMPLEX
,
359 2 * gdbarch_float_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
360 0, "complex*8", objfile
);
361 TYPE_TARGET_TYPE (type
) = builtin_type_f_real
;
363 case FT_DBL_PREC_COMPLEX
:
364 type
= init_type (TYPE_CODE_COMPLEX
,
365 2 * gdbarch_double_bit (current_gdbarch
)
367 0, "complex*16", objfile
);
368 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s8
;
370 case FT_EXT_PREC_COMPLEX
:
371 type
= init_type (TYPE_CODE_COMPLEX
,
372 2 * gdbarch_long_double_bit (current_gdbarch
)
374 0, "complex*32", objfile
);
375 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s16
;
378 /* FIXME: For now, if we are asked to produce a type not in this
379 language, create the equivalent of a C integer type with the
380 name "<?type?>". When all the dust settles from the type
381 reconstruction work, this should probably become an error. */
382 type
= init_type (TYPE_CODE_INT
,
383 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
384 0, "<?type?>", objfile
);
385 warning (_("internal error: no F77 fundamental type %d"), typeid);
392 /* Table of operators and their precedences for printing expressions. */
394 static const struct op_print f_op_print_tab
[] =
396 {"+", BINOP_ADD
, PREC_ADD
, 0},
397 {"+", UNOP_PLUS
, PREC_PREFIX
, 0},
398 {"-", BINOP_SUB
, PREC_ADD
, 0},
399 {"-", UNOP_NEG
, PREC_PREFIX
, 0},
400 {"*", BINOP_MUL
, PREC_MUL
, 0},
401 {"/", BINOP_DIV
, PREC_MUL
, 0},
402 {"DIV", BINOP_INTDIV
, PREC_MUL
, 0},
403 {"MOD", BINOP_REM
, PREC_MUL
, 0},
404 {"=", BINOP_ASSIGN
, PREC_ASSIGN
, 1},
405 {".OR.", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0},
406 {".AND.", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0},
407 {".NOT.", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0},
408 {".EQ.", BINOP_EQUAL
, PREC_EQUAL
, 0},
409 {".NE.", BINOP_NOTEQUAL
, PREC_EQUAL
, 0},
410 {".LE.", BINOP_LEQ
, PREC_ORDER
, 0},
411 {".GE.", BINOP_GEQ
, PREC_ORDER
, 0},
412 {".GT.", BINOP_GTR
, PREC_ORDER
, 0},
413 {".LT.", BINOP_LESS
, PREC_ORDER
, 0},
414 {"**", UNOP_IND
, PREC_PREFIX
, 0},
415 {"@", BINOP_REPEAT
, PREC_REPEAT
, 0},
419 enum f_primitive_types
{
420 f_primitive_type_character
,
421 f_primitive_type_logical
,
422 f_primitive_type_logical_s1
,
423 f_primitive_type_logical_s2
,
424 f_primitive_type_integer
,
425 f_primitive_type_integer_s2
,
426 f_primitive_type_real
,
427 f_primitive_type_real_s8
,
428 f_primitive_type_real_s16
,
429 f_primitive_type_complex_s8
,
430 f_primitive_type_complex_s16
,
431 f_primitive_type_void
,
436 f_language_arch_info (struct gdbarch
*gdbarch
,
437 struct language_arch_info
*lai
)
439 const struct builtin_f_type
*builtin
= builtin_f_type (gdbarch
);
441 lai
->string_char_type
= builtin
->builtin_character
;
442 lai
->primitive_type_vector
443 = GDBARCH_OBSTACK_CALLOC (gdbarch
, nr_f_primitive_types
+ 1,
446 lai
->primitive_type_vector
[f_primitive_type_character
]
447 = builtin
->builtin_character
;
448 lai
->primitive_type_vector
[f_primitive_type_logical
]
449 = builtin
->builtin_logical
;
450 lai
->primitive_type_vector
[f_primitive_type_logical_s1
]
451 = builtin
->builtin_logical_s1
;
452 lai
->primitive_type_vector
[f_primitive_type_logical_s2
]
453 = builtin
->builtin_logical_s2
;
454 lai
->primitive_type_vector
[f_primitive_type_real
]
455 = builtin
->builtin_real
;
456 lai
->primitive_type_vector
[f_primitive_type_real_s8
]
457 = builtin
->builtin_real_s8
;
458 lai
->primitive_type_vector
[f_primitive_type_real_s16
]
459 = builtin
->builtin_real_s16
;
460 lai
->primitive_type_vector
[f_primitive_type_complex_s8
]
461 = builtin
->builtin_complex_s8
;
462 lai
->primitive_type_vector
[f_primitive_type_complex_s16
]
463 = builtin
->builtin_complex_s16
;
464 lai
->primitive_type_vector
[f_primitive_type_void
]
465 = builtin
->builtin_void
;
468 /* This is declared in c-lang.h but it is silly to import that file for what
469 is already just a hack. */
470 extern int c_value_print (struct value
*, struct ui_file
*, int,
471 enum val_prettyprint
);
473 const struct language_defn f_language_defn
=
482 &exp_descriptor_standard
,
483 f_parse
, /* parser */
484 f_error
, /* parser error function */
486 f_printchar
, /* Print character constant */
487 f_printstr
, /* function to print string constant */
488 f_emit_char
, /* Function to print a single character */
489 f_create_fundamental_type
, /* Create fundamental type in this language */
490 f_print_type
, /* Print a type using appropriate syntax */
491 f_val_print
, /* Print a value using appropriate syntax */
492 c_value_print
, /* FIXME */
493 NULL
, /* Language specific skip_trampoline */
494 value_of_this
, /* value_of_this */
495 basic_lookup_symbol_nonlocal
, /* lookup_symbol_nonlocal */
496 basic_lookup_transparent_type
,/* lookup_transparent_type */
497 NULL
, /* Language specific symbol demangler */
498 NULL
, /* Language specific class_name_from_physname */
499 f_op_print_tab
, /* expression operators for printing */
500 0, /* arrays are first-class (not c-style) */
501 1, /* String lower bound */
503 default_word_break_characters
,
504 f_language_arch_info
,
505 default_print_array_index
,
506 default_pass_by_reference
,
511 build_fortran_types (struct gdbarch
*gdbarch
)
513 struct builtin_f_type
*builtin_f_type
514 = GDBARCH_OBSTACK_ZALLOC (gdbarch
, struct builtin_f_type
);
516 builtin_f_type
->builtin_void
=
517 init_type (TYPE_CODE_VOID
, 1,
519 "VOID", (struct objfile
*) NULL
);
521 builtin_f_type
->builtin_character
=
522 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
524 "character", (struct objfile
*) NULL
);
526 builtin_f_type
->builtin_logical_s1
=
527 init_type (TYPE_CODE_BOOL
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
529 "logical*1", (struct objfile
*) NULL
);
531 builtin_f_type
->builtin_integer_s2
=
532 init_type (TYPE_CODE_INT
,
533 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
534 0, "integer*2", (struct objfile
*) NULL
);
536 builtin_f_type
->builtin_logical_s2
=
537 init_type (TYPE_CODE_BOOL
,
538 gdbarch_short_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
539 TYPE_FLAG_UNSIGNED
, "logical*2", (struct objfile
*) NULL
);
541 builtin_f_type
->builtin_integer
=
542 init_type (TYPE_CODE_INT
,
543 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
544 0, "integer", (struct objfile
*) NULL
);
546 builtin_f_type
->builtin_logical
=
547 init_type (TYPE_CODE_BOOL
,
548 gdbarch_int_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
549 TYPE_FLAG_UNSIGNED
, "logical*4", (struct objfile
*) NULL
);
551 builtin_f_type
->builtin_real
=
552 init_type (TYPE_CODE_FLT
,
553 gdbarch_float_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
555 "real", (struct objfile
*) NULL
);
557 builtin_f_type
->builtin_real_s8
=
558 init_type (TYPE_CODE_FLT
,
559 gdbarch_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
561 "real*8", (struct objfile
*) NULL
);
563 builtin_f_type
->builtin_real_s16
=
564 init_type (TYPE_CODE_FLT
,
565 gdbarch_long_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
567 "real*16", (struct objfile
*) NULL
);
569 builtin_f_type
->builtin_complex_s8
=
570 init_type (TYPE_CODE_COMPLEX
,
571 2 * gdbarch_float_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
573 "complex*8", (struct objfile
*) NULL
);
574 TYPE_TARGET_TYPE (builtin_f_type
->builtin_complex_s8
)
575 = builtin_f_type
->builtin_real
;
577 builtin_f_type
->builtin_complex_s16
=
578 init_type (TYPE_CODE_COMPLEX
,
579 2 * gdbarch_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
581 "complex*16", (struct objfile
*) NULL
);
582 TYPE_TARGET_TYPE (builtin_f_type
->builtin_complex_s16
)
583 = builtin_f_type
->builtin_real_s8
;
585 /* We have a new size == 4 double floats for the
586 complex*32 data type */
588 builtin_f_type
->builtin_complex_s32
=
589 init_type (TYPE_CODE_COMPLEX
,
590 2 * gdbarch_long_double_bit (current_gdbarch
) / TARGET_CHAR_BIT
,
592 "complex*32", (struct objfile
*) NULL
);
593 TYPE_TARGET_TYPE (builtin_f_type
->builtin_complex_s32
)
594 = builtin_f_type
->builtin_real_s16
;
596 return builtin_f_type
;
599 static struct gdbarch_data
*f_type_data
;
601 const struct builtin_f_type
*
602 builtin_f_type (struct gdbarch
*gdbarch
)
604 return gdbarch_data (gdbarch
, f_type_data
);
608 _initialize_f_language (void)
610 f_type_data
= gdbarch_data_register_post_init (build_fortran_types
);
612 add_language (&f_language_defn
);
617 allocate_saved_bf_node (void)
621 new = (SAVED_BF_PTR
) xmalloc (sizeof (SAVED_BF
));
625 static SAVED_FUNCTION
*
626 allocate_saved_function_node (void)
630 new = (SAVED_FUNCTION
*) xmalloc (sizeof (SAVED_FUNCTION
));
634 static SAVED_F77_COMMON_PTR
635 allocate_saved_f77_common_node (void)
637 SAVED_F77_COMMON_PTR
new;
639 new = (SAVED_F77_COMMON_PTR
) xmalloc (sizeof (SAVED_F77_COMMON
));
643 static COMMON_ENTRY_PTR
644 allocate_common_entry_node (void)
646 COMMON_ENTRY_PTR
new;
648 new = (COMMON_ENTRY_PTR
) xmalloc (sizeof (COMMON_ENTRY
));
653 SAVED_F77_COMMON_PTR head_common_list
= NULL
; /* Ptr to 1st saved COMMON */
654 SAVED_F77_COMMON_PTR tail_common_list
= NULL
; /* Ptr to last saved COMMON */
655 SAVED_F77_COMMON_PTR current_common
= NULL
; /* Ptr to current COMMON */
658 static SAVED_BF_PTR saved_bf_list
= NULL
; /* Ptr to (.bf,function)
660 static SAVED_BF_PTR saved_bf_list_end
= NULL
; /* Ptr to above list's end */
661 static SAVED_BF_PTR current_head_bf_list
= NULL
; /* Current head of above list
664 static SAVED_BF_PTR tmp_bf_ptr
; /* Generic temporary for use
667 /* The following function simply enters a given common block onto
668 the global common block chain */
671 add_common_block (char *name
, CORE_ADDR offset
, int secnum
, char *func_stab
)
673 SAVED_F77_COMMON_PTR tmp
;
674 char *c
, *local_copy_func_stab
;
676 /* If the COMMON block we are trying to add has a blank
677 name (i.e. "#BLNK_COM") then we set it to __BLANK
678 because the darn "#" character makes GDB's input
682 if (strcmp (name
, BLANK_COMMON_NAME_ORIGINAL
) == 0
683 || strcmp (name
, BLANK_COMMON_NAME_MF77
) == 0)
687 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
688 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
691 tmp
= allocate_saved_f77_common_node ();
693 local_copy_func_stab
= xmalloc (strlen (func_stab
) + 1);
694 strcpy (local_copy_func_stab
, func_stab
);
696 tmp
->name
= xmalloc (strlen (name
) + 1);
698 /* local_copy_func_stab is a stabstring, let us first extract the
699 function name from the stab by NULLing out the ':' character. */
703 c
= strchr (local_copy_func_stab
, ':');
708 error (_("Malformed function STAB found in add_common_block()"));
711 tmp
->owning_function
= xmalloc (strlen (local_copy_func_stab
) + 1);
713 strcpy (tmp
->owning_function
, local_copy_func_stab
);
715 strcpy (tmp
->name
, name
);
716 tmp
->offset
= offset
;
719 tmp
->secnum
= secnum
;
721 current_common
= tmp
;
723 if (head_common_list
== NULL
)
725 head_common_list
= tail_common_list
= tmp
;
729 tail_common_list
->next
= tmp
;
730 tail_common_list
= tmp
;
735 /* The following function simply enters a given common entry onto
736 the "current_common" block that has been saved away. */
740 add_common_entry (struct symbol
*entry_sym_ptr
)
742 COMMON_ENTRY_PTR tmp
;
746 /* The order of this list is important, since
747 we expect the entries to appear in decl.
748 order when we later issue "info common" calls */
750 tmp
= allocate_common_entry_node ();
753 tmp
->symbol
= entry_sym_ptr
;
755 if (current_common
== NULL
)
756 error (_("Attempt to add COMMON entry with no block open!"));
759 if (current_common
->entries
== NULL
)
761 current_common
->entries
= tmp
;
762 current_common
->end_of_entries
= tmp
;
766 current_common
->end_of_entries
->next
= tmp
;
767 current_common
->end_of_entries
= tmp
;
773 /* This routine finds the first encountred COMMON block named "name" */
776 static SAVED_F77_COMMON_PTR
777 find_first_common_named (char *name
)
780 SAVED_F77_COMMON_PTR tmp
;
782 tmp
= head_common_list
;
786 if (strcmp (tmp
->name
, name
) == 0)
795 /* This routine finds the first encountred COMMON block named "name"
796 that belongs to function funcname */
799 find_common_for_function (char *name
, char *funcname
)
802 SAVED_F77_COMMON_PTR tmp
;
804 tmp
= head_common_list
;
808 if (DEPRECATED_STREQ (tmp
->name
, name
)
809 && DEPRECATED_STREQ (tmp
->owning_function
, funcname
))
820 /* The following function is called to patch up the offsets
821 for the statics contained in the COMMON block named
825 patch_common_entries (SAVED_F77_COMMON_PTR blk
, CORE_ADDR offset
, int secnum
)
827 COMMON_ENTRY_PTR entry
;
829 blk
->offset
= offset
; /* Keep this around for future use. */
831 entry
= blk
->entries
;
833 while (entry
!= NULL
)
835 SYMBOL_VALUE (entry
->symbol
) += offset
;
836 SYMBOL_SECTION (entry
->symbol
) = secnum
;
840 blk
->secnum
= secnum
;
843 /* Patch all commons named "name" that need patching.Since COMMON
844 blocks occur with relative infrequency, we simply do a linear scan on
845 the name. Eventually, the best way to do this will be a
846 hashed-lookup. Secnum is the section number for the .bss section
847 (which is where common data lives). */
850 patch_all_commons_by_name (char *name
, CORE_ADDR offset
, int secnum
)
853 SAVED_F77_COMMON_PTR tmp
;
855 /* For blank common blocks, change the canonical reprsentation
858 if (strcmp (name
, BLANK_COMMON_NAME_ORIGINAL
) == 0
859 || strcmp (name
, BLANK_COMMON_NAME_MF77
) == 0)
862 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
863 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
866 tmp
= head_common_list
;
870 if (COMMON_NEEDS_PATCHING (tmp
))
871 if (strcmp (tmp
->name
, name
) == 0)
872 patch_common_entries (tmp
, offset
, secnum
);
879 /* This macro adds the symbol-number for the start of the function
880 (the symbol number of the .bf) referenced by symnum_fcn to a
881 list. This list, in reality should be a FIFO queue but since
882 #line pragmas sometimes cause line ranges to get messed up
883 we simply create a linear list. This list can then be searched
884 first by a queueing algorithm and upon failure fall back to
888 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
890 if (saved_bf_list == NULL) \
892 tmp_bf_ptr = allocate_saved_bf_node(); \
894 tmp_bf_ptr->symnum_bf = (bf_sym); \
895 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
896 tmp_bf_ptr->next = NULL; \
898 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
899 saved_bf_list_end = tmp_bf_ptr; \
903 tmp_bf_ptr = allocate_saved_bf_node(); \
905 tmp_bf_ptr->symnum_bf = (bf_sym); \
906 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
907 tmp_bf_ptr->next = NULL; \
909 saved_bf_list_end->next = tmp_bf_ptr; \
910 saved_bf_list_end = tmp_bf_ptr; \
914 /* This function frees the entire (.bf,function) list */
921 SAVED_BF_PTR tmp
= saved_bf_list
;
922 SAVED_BF_PTR next
= NULL
;
930 saved_bf_list
= NULL
;
934 int global_remote_debug
;
939 get_bf_for_fcn (long the_function
)
944 /* First use a simple queuing algorithm (i.e. look and see if the
945 item at the head of the queue is the one you want) */
947 if (saved_bf_list
== NULL
)
948 internal_error (__FILE__
, __LINE__
,
949 _("cannot get .bf node off empty list"));
951 if (current_head_bf_list
!= NULL
)
952 if (current_head_bf_list
->symnum_fcn
== the_function
)
954 if (global_remote_debug
)
955 fprintf_unfiltered (gdb_stderr
, "*");
957 tmp
= current_head_bf_list
;
958 current_head_bf_list
= current_head_bf_list
->next
;
959 return (tmp
->symnum_bf
);
962 /* If the above did not work (probably because #line directives were
963 used in the sourcefile and they messed up our internal tables) we now do
964 the ugly linear scan */
966 if (global_remote_debug
)
967 fprintf_unfiltered (gdb_stderr
, "\ndefaulting to linear scan\n");
974 if (tmp
->symnum_fcn
== the_function
)
976 if (global_remote_debug
)
977 fprintf_unfiltered (gdb_stderr
, "Found in %d probes\n", nprobes
);
978 current_head_bf_list
= tmp
->next
;
979 return (tmp
->symnum_bf
);
987 static SAVED_FUNCTION_PTR saved_function_list
= NULL
;
988 static SAVED_FUNCTION_PTR saved_function_list_end
= NULL
;
991 clear_function_list (void)
993 SAVED_FUNCTION_PTR tmp
= saved_function_list
;
994 SAVED_FUNCTION_PTR next
= NULL
;
1003 saved_function_list
= NULL
;