1 /* Fortran language support routines for GDB, the GNU debugger.
2 Copyright 1993, 1994, 1996, 2000 Free Software Foundation, Inc.
3 Contributed by Motorola. Adapted from the C parser by Farooq Butt
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"
33 /* The built-in types of F77. FIXME: integer*4 is missing, plain
34 logical is missing (builtin_type_logical is logical*4). */
36 struct type
*builtin_type_f_character
;
37 struct type
*builtin_type_f_logical
;
38 struct type
*builtin_type_f_logical_s1
;
39 struct type
*builtin_type_f_logical_s2
;
40 struct type
*builtin_type_f_integer
;
41 struct type
*builtin_type_f_integer_s2
;
42 struct type
*builtin_type_f_real
;
43 struct type
*builtin_type_f_real_s8
;
44 struct type
*builtin_type_f_real_s16
;
45 struct type
*builtin_type_f_complex_s8
;
46 struct type
*builtin_type_f_complex_s16
;
47 struct type
*builtin_type_f_complex_s32
;
48 struct type
*builtin_type_f_void
;
50 /* Following is dubious stuff that had been in the xcoff reader. */
54 long line_offset
; /* Line offset for function */
55 struct saved_fcn
*next
;
59 struct saved_bf_symnum
61 long symnum_fcn
; /* Symnum of function (i.e. .function directive) */
62 long symnum_bf
; /* Symnum of .bf for this function */
63 struct saved_bf_symnum
*next
;
66 typedef struct saved_fcn SAVED_FUNCTION
, *SAVED_FUNCTION_PTR
;
67 typedef struct saved_bf_symnum SAVED_BF
, *SAVED_BF_PTR
;
71 extern void _initialize_f_language (void);
73 static void clear_function_list (void);
74 static long get_bf_for_fcn (long);
75 static void clear_bf_list (void);
76 static void patch_all_commons_by_name (char *, CORE_ADDR
, int);
77 static SAVED_F77_COMMON_PTR
find_first_common_named (char *);
78 static void add_common_entry (struct symbol
*);
79 static void add_common_block (char *, CORE_ADDR
, int, char *);
80 static SAVED_FUNCTION
*allocate_saved_function_node (void);
81 static SAVED_BF_PTR
allocate_saved_bf_node (void);
82 static COMMON_ENTRY_PTR
allocate_common_entry_node (void);
83 static SAVED_F77_COMMON_PTR
allocate_saved_f77_common_node (void);
84 static void patch_common_entries (SAVED_F77_COMMON_PTR
, CORE_ADDR
, int);
87 static struct type
*f_create_fundamental_type (struct objfile
*, int);
88 static void f_printstr (struct ui_file
* stream
, char *string
,
89 unsigned int length
, int width
,
91 static void f_printchar (int c
, struct ui_file
* stream
);
92 static void f_emit_char (int c
, struct ui_file
* stream
, int quoter
);
94 /* Print the character C on STREAM as part of the contents of a literal
95 string whose delimiter is QUOTER. Note that that format for printing
96 characters and strings is language specific.
97 FIXME: This is a copy of the same function from c-exp.y. It should
98 be replaced with a true F77 version. */
101 f_emit_char (register int c
, struct ui_file
*stream
, int 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 (int c
, struct ui_file
*stream
)
149 fputs_filtered ("'", stream
);
150 LA_EMIT_CHAR (c
, stream
, '\'');
151 fputs_filtered ("'", stream
);
154 /* Print the character string STRING, printing at most LENGTH characters.
155 Printing stops early if the number hits print_max; repeat counts
156 are printed as appropriate. Print ellipses at the end if we
157 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
158 FIXME: This is a copy of the same function from c-exp.y. It should
159 be replaced with a true F77 version. */
162 f_printstr (struct ui_file
*stream
, char *string
, unsigned int length
,
163 int width
, int force_ellipses
)
165 register unsigned int i
;
166 unsigned int things_printed
= 0;
169 extern int inspect_it
;
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 register 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 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
289 0, "integer*2", objfile
);
291 case FT_SIGNED_SHORT
:
292 type
= init_type (TYPE_CODE_INT
,
293 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
294 0, "short", objfile
); /* FIXME-fnf */
296 case FT_UNSIGNED_SHORT
:
297 type
= init_type (TYPE_CODE_BOOL
,
298 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
299 TYPE_FLAG_UNSIGNED
, "logical*2", objfile
);
302 type
= init_type (TYPE_CODE_INT
,
303 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
304 0, "integer*4", objfile
);
306 case FT_SIGNED_INTEGER
:
307 type
= init_type (TYPE_CODE_INT
,
308 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
309 0, "integer", objfile
); /* FIXME -fnf */
311 case FT_UNSIGNED_INTEGER
:
312 type
= init_type (TYPE_CODE_BOOL
,
313 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
314 TYPE_FLAG_UNSIGNED
, "logical*4", objfile
);
316 case FT_FIXED_DECIMAL
:
317 type
= init_type (TYPE_CODE_INT
,
318 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
319 0, "fixed decimal", objfile
);
322 type
= init_type (TYPE_CODE_INT
,
323 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
327 type
= init_type (TYPE_CODE_INT
,
328 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
329 0, "long", objfile
); /* FIXME -fnf */
331 case FT_UNSIGNED_LONG
:
332 type
= init_type (TYPE_CODE_INT
,
333 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
334 TYPE_FLAG_UNSIGNED
, "unsigned long", objfile
);
337 type
= init_type (TYPE_CODE_INT
,
338 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
339 0, "long long", objfile
);
341 case FT_SIGNED_LONG_LONG
:
342 type
= init_type (TYPE_CODE_INT
,
343 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
344 0, "signed long long", objfile
);
346 case FT_UNSIGNED_LONG_LONG
:
347 type
= init_type (TYPE_CODE_INT
,
348 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
349 TYPE_FLAG_UNSIGNED
, "unsigned long long", objfile
);
352 type
= init_type (TYPE_CODE_FLT
,
353 TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
356 case FT_DBL_PREC_FLOAT
:
357 type
= init_type (TYPE_CODE_FLT
,
358 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
359 0, "real*8", objfile
);
361 case FT_FLOAT_DECIMAL
:
362 type
= init_type (TYPE_CODE_FLT
,
363 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
364 0, "floating decimal", objfile
);
366 case FT_EXT_PREC_FLOAT
:
367 type
= init_type (TYPE_CODE_FLT
,
368 TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
369 0, "real*16", objfile
);
372 type
= init_type (TYPE_CODE_COMPLEX
,
373 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
374 0, "complex*8", objfile
);
375 TYPE_TARGET_TYPE (type
) = builtin_type_f_real
;
377 case FT_DBL_PREC_COMPLEX
:
378 type
= init_type (TYPE_CODE_COMPLEX
,
379 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
380 0, "complex*16", objfile
);
381 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s8
;
383 case FT_EXT_PREC_COMPLEX
:
384 type
= init_type (TYPE_CODE_COMPLEX
,
385 2 * TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
386 0, "complex*32", objfile
);
387 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s16
;
390 /* FIXME: For now, if we are asked to produce a type not in this
391 language, create the equivalent of a C integer type with the
392 name "<?type?>". When all the dust settles from the type
393 reconstruction work, this should probably become an error. */
394 type
= init_type (TYPE_CODE_INT
,
395 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
396 0, "<?type?>", objfile
);
397 warning ("internal error: no F77 fundamental type %d", typeid);
404 /* Table of operators and their precedences for printing expressions. */
406 static const struct op_print f_op_print_tab
[] =
408 {"+", BINOP_ADD
, PREC_ADD
, 0},
409 {"+", UNOP_PLUS
, PREC_PREFIX
, 0},
410 {"-", BINOP_SUB
, PREC_ADD
, 0},
411 {"-", UNOP_NEG
, PREC_PREFIX
, 0},
412 {"*", BINOP_MUL
, PREC_MUL
, 0},
413 {"/", BINOP_DIV
, PREC_MUL
, 0},
414 {"DIV", BINOP_INTDIV
, PREC_MUL
, 0},
415 {"MOD", BINOP_REM
, PREC_MUL
, 0},
416 {"=", BINOP_ASSIGN
, PREC_ASSIGN
, 1},
417 {".OR.", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0},
418 {".AND.", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0},
419 {".NOT.", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0},
420 {".EQ.", BINOP_EQUAL
, PREC_EQUAL
, 0},
421 {".NE.", BINOP_NOTEQUAL
, PREC_EQUAL
, 0},
422 {".LE.", BINOP_LEQ
, PREC_ORDER
, 0},
423 {".GE.", BINOP_GEQ
, PREC_ORDER
, 0},
424 {".GT.", BINOP_GTR
, PREC_ORDER
, 0},
425 {".LT.", BINOP_LESS
, PREC_ORDER
, 0},
426 {"**", UNOP_IND
, PREC_PREFIX
, 0},
427 {"@", BINOP_REPEAT
, PREC_REPEAT
, 0},
431 struct type
**CONST_PTR (f_builtin_types
[]) =
433 &builtin_type_f_character
,
434 &builtin_type_f_logical
,
435 &builtin_type_f_logical_s1
,
436 &builtin_type_f_logical_s2
,
437 &builtin_type_f_integer
,
438 &builtin_type_f_integer_s2
,
439 &builtin_type_f_real
,
440 &builtin_type_f_real_s8
,
441 &builtin_type_f_real_s16
,
442 &builtin_type_f_complex_s8
,
443 &builtin_type_f_complex_s16
,
445 &builtin_type_f_complex_s32
,
447 &builtin_type_f_void
,
451 /* This is declared in c-lang.h but it is silly to import that file for what
452 is already just a hack. */
453 extern int c_value_print (struct value
*, struct ui_file
*, int,
454 enum val_prettyprint
);
456 const struct language_defn f_language_defn
=
463 f_parse
, /* parser */
464 f_error
, /* parser error function */
465 evaluate_subexp_standard
,
466 f_printchar
, /* Print character constant */
467 f_printstr
, /* function to print string constant */
468 f_emit_char
, /* Function to print a single character */
469 f_create_fundamental_type
, /* Create fundamental type in this language */
470 f_print_type
, /* Print a type using appropriate syntax */
471 f_val_print
, /* Print a value using appropriate syntax */
472 c_value_print
, /* FIXME */
473 {"", "", "", ""}, /* Binary format info */
474 {"0%o", "0", "o", ""}, /* Octal format info */
475 {"%d", "", "d", ""}, /* Decimal format info */
476 {"0x%x", "0x", "x", ""}, /* Hex format info */
477 f_op_print_tab
, /* expression operators for printing */
478 0, /* arrays are first-class (not c-style) */
479 1, /* String lower bound */
480 &builtin_type_f_character
, /* Type of string elements */
485 _initialize_f_language (void)
487 builtin_type_f_void
=
488 init_type (TYPE_CODE_VOID
, 1,
490 "VOID", (struct objfile
*) NULL
);
492 builtin_type_f_character
=
493 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
495 "character", (struct objfile
*) NULL
);
497 builtin_type_f_logical_s1
=
498 init_type (TYPE_CODE_BOOL
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
500 "logical*1", (struct objfile
*) NULL
);
502 builtin_type_f_integer_s2
=
503 init_type (TYPE_CODE_INT
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
505 "integer*2", (struct objfile
*) NULL
);
507 builtin_type_f_logical_s2
=
508 init_type (TYPE_CODE_BOOL
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
510 "logical*2", (struct objfile
*) NULL
);
512 builtin_type_f_integer
=
513 init_type (TYPE_CODE_INT
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
515 "integer", (struct objfile
*) NULL
);
517 builtin_type_f_logical
=
518 init_type (TYPE_CODE_BOOL
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
520 "logical*4", (struct objfile
*) NULL
);
522 builtin_type_f_real
=
523 init_type (TYPE_CODE_FLT
, TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
525 "real", (struct objfile
*) NULL
);
527 builtin_type_f_real_s8
=
528 init_type (TYPE_CODE_FLT
, TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
530 "real*8", (struct objfile
*) NULL
);
532 builtin_type_f_real_s16
=
533 init_type (TYPE_CODE_FLT
, TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
535 "real*16", (struct objfile
*) NULL
);
537 builtin_type_f_complex_s8
=
538 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
540 "complex*8", (struct objfile
*) NULL
);
541 TYPE_TARGET_TYPE (builtin_type_f_complex_s8
) = builtin_type_f_real
;
543 builtin_type_f_complex_s16
=
544 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
546 "complex*16", (struct objfile
*) NULL
);
547 TYPE_TARGET_TYPE (builtin_type_f_complex_s16
) = builtin_type_f_real_s8
;
549 /* We have a new size == 4 double floats for the
550 complex*32 data type */
552 builtin_type_f_complex_s32
=
553 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
555 "complex*32", (struct objfile
*) NULL
);
556 TYPE_TARGET_TYPE (builtin_type_f_complex_s32
) = builtin_type_f_real_s16
;
558 builtin_type_string
=
559 init_type (TYPE_CODE_STRING
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
561 "character string", (struct objfile
*) NULL
);
563 add_language (&f_language_defn
);
568 allocate_saved_bf_node (void)
572 new = (SAVED_BF_PTR
) xmalloc (sizeof (SAVED_BF
));
576 static SAVED_FUNCTION
*
577 allocate_saved_function_node (void)
581 new = (SAVED_FUNCTION
*) xmalloc (sizeof (SAVED_FUNCTION
));
585 static SAVED_F77_COMMON_PTR
586 allocate_saved_f77_common_node (void)
588 SAVED_F77_COMMON_PTR
new;
590 new = (SAVED_F77_COMMON_PTR
) xmalloc (sizeof (SAVED_F77_COMMON
));
594 static COMMON_ENTRY_PTR
595 allocate_common_entry_node (void)
597 COMMON_ENTRY_PTR
new;
599 new = (COMMON_ENTRY_PTR
) xmalloc (sizeof (COMMON_ENTRY
));
604 SAVED_F77_COMMON_PTR head_common_list
= NULL
; /* Ptr to 1st saved COMMON */
605 SAVED_F77_COMMON_PTR tail_common_list
= NULL
; /* Ptr to last saved COMMON */
606 SAVED_F77_COMMON_PTR current_common
= NULL
; /* Ptr to current COMMON */
609 static SAVED_BF_PTR saved_bf_list
= NULL
; /* Ptr to (.bf,function)
611 static SAVED_BF_PTR saved_bf_list_end
= NULL
; /* Ptr to above list's end */
612 static SAVED_BF_PTR current_head_bf_list
= NULL
; /* Current head of above list
615 static SAVED_BF_PTR tmp_bf_ptr
; /* Generic temporary for use
618 /* The following function simply enters a given common block onto
619 the global common block chain */
622 add_common_block (char *name
, CORE_ADDR offset
, int secnum
, char *func_stab
)
624 SAVED_F77_COMMON_PTR tmp
;
625 char *c
, *local_copy_func_stab
;
627 /* If the COMMON block we are trying to add has a blank
628 name (i.e. "#BLNK_COM") then we set it to __BLANK
629 because the darn "#" character makes GDB's input
633 if (STREQ (name
, BLANK_COMMON_NAME_ORIGINAL
) ||
634 STREQ (name
, BLANK_COMMON_NAME_MF77
))
638 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
639 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
642 tmp
= allocate_saved_f77_common_node ();
644 local_copy_func_stab
= xmalloc (strlen (func_stab
) + 1);
645 strcpy (local_copy_func_stab
, func_stab
);
647 tmp
->name
= xmalloc (strlen (name
) + 1);
649 /* local_copy_func_stab is a stabstring, let us first extract the
650 function name from the stab by NULLing out the ':' character. */
654 c
= strchr (local_copy_func_stab
, ':');
659 error ("Malformed function STAB found in add_common_block()");
662 tmp
->owning_function
= xmalloc (strlen (local_copy_func_stab
) + 1);
664 strcpy (tmp
->owning_function
, local_copy_func_stab
);
666 strcpy (tmp
->name
, name
);
667 tmp
->offset
= offset
;
670 tmp
->secnum
= secnum
;
672 current_common
= tmp
;
674 if (head_common_list
== NULL
)
676 head_common_list
= tail_common_list
= tmp
;
680 tail_common_list
->next
= tmp
;
681 tail_common_list
= tmp
;
686 /* The following function simply enters a given common entry onto
687 the "current_common" block that has been saved away. */
691 add_common_entry (struct symbol
*entry_sym_ptr
)
693 COMMON_ENTRY_PTR tmp
;
697 /* The order of this list is important, since
698 we expect the entries to appear in decl.
699 order when we later issue "info common" calls */
701 tmp
= allocate_common_entry_node ();
704 tmp
->symbol
= entry_sym_ptr
;
706 if (current_common
== NULL
)
707 error ("Attempt to add COMMON entry with no block open!");
710 if (current_common
->entries
== NULL
)
712 current_common
->entries
= tmp
;
713 current_common
->end_of_entries
= tmp
;
717 current_common
->end_of_entries
->next
= tmp
;
718 current_common
->end_of_entries
= tmp
;
724 /* This routine finds the first encountred COMMON block named "name" */
727 static SAVED_F77_COMMON_PTR
728 find_first_common_named (char *name
)
731 SAVED_F77_COMMON_PTR tmp
;
733 tmp
= head_common_list
;
737 if (STREQ (tmp
->name
, name
))
746 /* This routine finds the first encountred COMMON block named "name"
747 that belongs to function funcname */
750 find_common_for_function (char *name
, char *funcname
)
753 SAVED_F77_COMMON_PTR tmp
;
755 tmp
= head_common_list
;
759 if (STREQ (tmp
->name
, name
) && STREQ (tmp
->owning_function
, funcname
))
770 /* The following function is called to patch up the offsets
771 for the statics contained in the COMMON block named
775 patch_common_entries (SAVED_F77_COMMON_PTR blk
, CORE_ADDR offset
, int secnum
)
777 COMMON_ENTRY_PTR entry
;
779 blk
->offset
= offset
; /* Keep this around for future use. */
781 entry
= blk
->entries
;
783 while (entry
!= NULL
)
785 SYMBOL_VALUE (entry
->symbol
) += offset
;
786 SYMBOL_SECTION (entry
->symbol
) = secnum
;
790 blk
->secnum
= secnum
;
793 /* Patch all commons named "name" that need patching.Since COMMON
794 blocks occur with relative infrequency, we simply do a linear scan on
795 the name. Eventually, the best way to do this will be a
796 hashed-lookup. Secnum is the section number for the .bss section
797 (which is where common data lives). */
800 patch_all_commons_by_name (char *name
, CORE_ADDR offset
, int secnum
)
803 SAVED_F77_COMMON_PTR tmp
;
805 /* For blank common blocks, change the canonical reprsentation
808 if ((STREQ (name
, BLANK_COMMON_NAME_ORIGINAL
)) ||
809 (STREQ (name
, BLANK_COMMON_NAME_MF77
)))
812 name
= alloca (strlen (BLANK_COMMON_NAME_LOCAL
) + 1);
813 strcpy (name
, BLANK_COMMON_NAME_LOCAL
);
816 tmp
= head_common_list
;
820 if (COMMON_NEEDS_PATCHING (tmp
))
821 if (STREQ (tmp
->name
, name
))
822 patch_common_entries (tmp
, offset
, secnum
);
829 /* This macro adds the symbol-number for the start of the function
830 (the symbol number of the .bf) referenced by symnum_fcn to a
831 list. This list, in reality should be a FIFO queue but since
832 #line pragmas sometimes cause line ranges to get messed up
833 we simply create a linear list. This list can then be searched
834 first by a queueing algorithm and upon failure fall back to
838 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
840 if (saved_bf_list == NULL) \
842 tmp_bf_ptr = allocate_saved_bf_node(); \
844 tmp_bf_ptr->symnum_bf = (bf_sym); \
845 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
846 tmp_bf_ptr->next = NULL; \
848 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
849 saved_bf_list_end = tmp_bf_ptr; \
853 tmp_bf_ptr = allocate_saved_bf_node(); \
855 tmp_bf_ptr->symnum_bf = (bf_sym); \
856 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
857 tmp_bf_ptr->next = NULL; \
859 saved_bf_list_end->next = tmp_bf_ptr; \
860 saved_bf_list_end = tmp_bf_ptr; \
864 /* This function frees the entire (.bf,function) list */
871 SAVED_BF_PTR tmp
= saved_bf_list
;
872 SAVED_BF_PTR next
= NULL
;
880 saved_bf_list
= NULL
;
884 int global_remote_debug
;
889 get_bf_for_fcn (long the_function
)
894 /* First use a simple queuing algorithm (i.e. look and see if the
895 item at the head of the queue is the one you want) */
897 if (saved_bf_list
== NULL
)
898 internal_error ("cannot get .bf node off empty list");
900 if (current_head_bf_list
!= NULL
)
901 if (current_head_bf_list
->symnum_fcn
== the_function
)
903 if (global_remote_debug
)
904 fprintf (stderr
, "*");
906 tmp
= current_head_bf_list
;
907 current_head_bf_list
= current_head_bf_list
->next
;
908 return (tmp
->symnum_bf
);
911 /* If the above did not work (probably because #line directives were
912 used in the sourcefile and they messed up our internal tables) we now do
913 the ugly linear scan */
915 if (global_remote_debug
)
916 fprintf (stderr
, "\ndefaulting to linear scan\n");
923 if (tmp
->symnum_fcn
== the_function
)
925 if (global_remote_debug
)
926 fprintf (stderr
, "Found in %d probes\n", nprobes
);
927 current_head_bf_list
= tmp
->next
;
928 return (tmp
->symnum_bf
);
936 static SAVED_FUNCTION_PTR saved_function_list
= NULL
;
937 static SAVED_FUNCTION_PTR saved_function_list_end
= NULL
;
940 clear_function_list (void)
942 SAVED_FUNCTION_PTR tmp
= saved_function_list
;
943 SAVED_FUNCTION_PTR next
= NULL
;
952 saved_function_list
= NULL
;