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
;
70 static void clear_function_list
PARAMS ((void));
71 static long get_bf_for_fcn
PARAMS ((long));
72 static void clear_bf_list
PARAMS ((void));
73 static void patch_all_commons_by_name
PARAMS ((char *, CORE_ADDR
, int));
74 static SAVED_F77_COMMON_PTR find_first_common_named
PARAMS ((char *));
75 static void add_common_entry
PARAMS ((struct symbol
*));
76 static void add_common_block
PARAMS ((char *, CORE_ADDR
, int, char *));
77 static SAVED_FUNCTION
*allocate_saved_function_node
PARAMS ((void));
78 static SAVED_BF_PTR allocate_saved_bf_node
PARAMS ((void));
79 static COMMON_ENTRY_PTR allocate_common_entry_node
PARAMS ((void));
80 static SAVED_F77_COMMON_PTR allocate_saved_f77_common_node
PARAMS ((void));
81 static void patch_common_entries
PARAMS ((SAVED_F77_COMMON_PTR
, CORE_ADDR
, int));
84 static struct type
*f_create_fundamental_type
PARAMS ((struct objfile
*, int));
85 static void f_printstr
PARAMS ((GDB_FILE
*stream
, char *string
, unsigned int length
, int width
, int force_ellipses
));
86 static void f_printchar
PARAMS ((int c
, GDB_FILE
*stream
));
87 static void f_emit_char
PARAMS ((int c
, GDB_FILE
*stream
, int quoter
));
89 /* Print the character C on STREAM as part of the contents of a literal
90 string whose delimiter is QUOTER. Note that that format for printing
91 characters and strings is language specific.
92 FIXME: This is a copy of the same function from c-exp.y. It should
93 be replaced with a true F77 version. */
96 f_emit_char (c
, stream
, quoter
)
101 c
&= 0xFF; /* Avoid sign bit follies */
103 if (PRINT_LITERAL_FORM (c
))
105 if (c
== '\\' || c
== quoter
)
106 fputs_filtered ("\\", stream
);
107 fprintf_filtered (stream
, "%c", c
);
114 fputs_filtered ("\\n", stream
);
117 fputs_filtered ("\\b", stream
);
120 fputs_filtered ("\\t", stream
);
123 fputs_filtered ("\\f", stream
);
126 fputs_filtered ("\\r", stream
);
129 fputs_filtered ("\\e", stream
);
132 fputs_filtered ("\\a", stream
);
135 fprintf_filtered (stream
, "\\%.3o", (unsigned int) c
);
141 /* FIXME: This is a copy of the same function from c-exp.y. It should
142 be replaced with a true F77version. */
145 f_printchar (c
, 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 (stream
, string
, length
, width
, force_ellipses
)
169 register unsigned int i
;
170 unsigned int things_printed
= 0;
173 extern int inspect_it
;
174 extern int repeat_count_threshold
;
175 extern int print_max
;
179 fputs_filtered ("''", gdb_stdout
);
183 for (i
= 0; i
< length
&& things_printed
< print_max
; ++i
)
185 /* Position of the character we are examining
186 to see whether it is repeated. */
188 /* Number of repetitions we have detected so far. */
195 fputs_filtered (", ", stream
);
201 while (rep1
< length
&& string
[rep1
] == string
[i
])
207 if (reps
> repeat_count_threshold
)
212 fputs_filtered ("\\', ", stream
);
214 fputs_filtered ("', ", stream
);
217 f_printchar (string
[i
], stream
);
218 fprintf_filtered (stream
, " <repeats %u times>", reps
);
220 things_printed
+= repeat_count_threshold
;
228 fputs_filtered ("\\'", stream
);
230 fputs_filtered ("'", stream
);
233 LA_EMIT_CHAR (string
[i
], stream
, '"');
238 /* Terminate the quotes if necessary. */
242 fputs_filtered ("\\'", stream
);
244 fputs_filtered ("'", stream
);
247 if (force_ellipses
|| i
< length
)
248 fputs_filtered ("...", stream
);
251 /* FIXME: This is a copy of c_create_fundamental_type(), before
252 all the non-C types were stripped from it. Needs to be fixed
253 by an experienced F77 programmer. */
256 f_create_fundamental_type (objfile
, typeid)
257 struct objfile
*objfile
;
260 register struct type
*type
= NULL
;
265 type
= init_type (TYPE_CODE_VOID
,
266 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
270 type
= init_type (TYPE_CODE_BOOL
,
271 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
272 TYPE_FLAG_UNSIGNED
, "boolean", objfile
);
275 type
= init_type (TYPE_CODE_STRING
,
276 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
277 0, "string", objfile
);
280 type
= init_type (TYPE_CODE_INT
,
281 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
282 0, "character", objfile
);
285 type
= init_type (TYPE_CODE_INT
,
286 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
287 0, "integer*1", objfile
);
289 case FT_UNSIGNED_CHAR
:
290 type
= init_type (TYPE_CODE_BOOL
,
291 TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
292 TYPE_FLAG_UNSIGNED
, "logical*1", objfile
);
295 type
= init_type (TYPE_CODE_INT
,
296 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
297 0, "integer*2", objfile
);
299 case FT_SIGNED_SHORT
:
300 type
= init_type (TYPE_CODE_INT
,
301 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
302 0, "short", objfile
); /* FIXME-fnf */
304 case FT_UNSIGNED_SHORT
:
305 type
= init_type (TYPE_CODE_BOOL
,
306 TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
307 TYPE_FLAG_UNSIGNED
, "logical*2", objfile
);
310 type
= init_type (TYPE_CODE_INT
,
311 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
312 0, "integer*4", objfile
);
314 case FT_SIGNED_INTEGER
:
315 type
= init_type (TYPE_CODE_INT
,
316 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
317 0, "integer", objfile
); /* FIXME -fnf */
319 case FT_UNSIGNED_INTEGER
:
320 type
= init_type (TYPE_CODE_BOOL
,
321 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
322 TYPE_FLAG_UNSIGNED
, "logical*4", objfile
);
324 case FT_FIXED_DECIMAL
:
325 type
= init_type (TYPE_CODE_INT
,
326 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
327 0, "fixed decimal", objfile
);
330 type
= init_type (TYPE_CODE_INT
,
331 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
335 type
= init_type (TYPE_CODE_INT
,
336 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
337 0, "long", objfile
); /* FIXME -fnf */
339 case FT_UNSIGNED_LONG
:
340 type
= init_type (TYPE_CODE_INT
,
341 TARGET_LONG_BIT
/ TARGET_CHAR_BIT
,
342 TYPE_FLAG_UNSIGNED
, "unsigned long", objfile
);
345 type
= init_type (TYPE_CODE_INT
,
346 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
347 0, "long long", objfile
);
349 case FT_SIGNED_LONG_LONG
:
350 type
= init_type (TYPE_CODE_INT
,
351 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
352 0, "signed long long", objfile
);
354 case FT_UNSIGNED_LONG_LONG
:
355 type
= init_type (TYPE_CODE_INT
,
356 TARGET_LONG_LONG_BIT
/ TARGET_CHAR_BIT
,
357 TYPE_FLAG_UNSIGNED
, "unsigned long long", objfile
);
360 type
= init_type (TYPE_CODE_FLT
,
361 TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
364 case FT_DBL_PREC_FLOAT
:
365 type
= init_type (TYPE_CODE_FLT
,
366 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
367 0, "real*8", objfile
);
369 case FT_FLOAT_DECIMAL
:
370 type
= init_type (TYPE_CODE_FLT
,
371 TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
372 0, "floating decimal", objfile
);
374 case FT_EXT_PREC_FLOAT
:
375 type
= init_type (TYPE_CODE_FLT
,
376 TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
377 0, "real*16", objfile
);
380 type
= init_type (TYPE_CODE_COMPLEX
,
381 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
382 0, "complex*8", objfile
);
383 TYPE_TARGET_TYPE (type
) = builtin_type_f_real
;
385 case FT_DBL_PREC_COMPLEX
:
386 type
= init_type (TYPE_CODE_COMPLEX
,
387 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
388 0, "complex*16", objfile
);
389 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s8
;
391 case FT_EXT_PREC_COMPLEX
:
392 type
= init_type (TYPE_CODE_COMPLEX
,
393 2 * TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
394 0, "complex*32", objfile
);
395 TYPE_TARGET_TYPE (type
) = builtin_type_f_real_s16
;
398 /* FIXME: For now, if we are asked to produce a type not in this
399 language, create the equivalent of a C integer type with the
400 name "<?type?>". When all the dust settles from the type
401 reconstruction work, this should probably become an error. */
402 type
= init_type (TYPE_CODE_INT
,
403 TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
404 0, "<?type?>", objfile
);
405 warning ("internal error: no F77 fundamental type %d", typeid);
412 /* Table of operators and their precedences for printing expressions. */
414 static const struct op_print f_op_print_tab
[] = {
415 { "+", BINOP_ADD
, PREC_ADD
, 0 },
416 { "+", UNOP_PLUS
, PREC_PREFIX
, 0 },
417 { "-", BINOP_SUB
, PREC_ADD
, 0 },
418 { "-", UNOP_NEG
, PREC_PREFIX
, 0 },
419 { "*", BINOP_MUL
, PREC_MUL
, 0 },
420 { "/", BINOP_DIV
, PREC_MUL
, 0 },
421 { "DIV", BINOP_INTDIV
, PREC_MUL
, 0 },
422 { "MOD", BINOP_REM
, PREC_MUL
, 0 },
423 { "=", BINOP_ASSIGN
, PREC_ASSIGN
, 1 },
424 { ".OR.", BINOP_LOGICAL_OR
, PREC_LOGICAL_OR
, 0 },
425 { ".AND.", BINOP_LOGICAL_AND
, PREC_LOGICAL_AND
, 0 },
426 { ".NOT.", UNOP_LOGICAL_NOT
, PREC_PREFIX
, 0 },
427 { ".EQ.", BINOP_EQUAL
, PREC_EQUAL
, 0 },
428 { ".NE.", BINOP_NOTEQUAL
, PREC_EQUAL
, 0 },
429 { ".LE.", BINOP_LEQ
, PREC_ORDER
, 0 },
430 { ".GE.", BINOP_GEQ
, PREC_ORDER
, 0 },
431 { ".GT.", BINOP_GTR
, PREC_ORDER
, 0 },
432 { ".LT.", BINOP_LESS
, PREC_ORDER
, 0 },
433 { "**", UNOP_IND
, PREC_PREFIX
, 0 },
434 { "@", BINOP_REPEAT
, PREC_REPEAT
, 0 },
438 struct type
** CONST_PTR (f_builtin_types
[]) =
440 &builtin_type_f_character
,
441 &builtin_type_f_logical
,
442 &builtin_type_f_logical_s1
,
443 &builtin_type_f_logical_s2
,
444 &builtin_type_f_integer
,
445 &builtin_type_f_integer_s2
,
446 &builtin_type_f_real
,
447 &builtin_type_f_real_s8
,
448 &builtin_type_f_real_s16
,
449 &builtin_type_f_complex_s8
,
450 &builtin_type_f_complex_s16
,
452 &builtin_type_f_complex_s32
,
454 &builtin_type_f_void
,
458 /* This is declared in c-lang.h but it is silly to import that file for what
459 is already just a hack. */
461 c_value_print
PARAMS ((struct value
*, GDB_FILE
*, int, enum val_prettyprint
));
463 const struct language_defn f_language_defn
= {
469 f_parse
, /* parser */
470 f_error
, /* parser error function */
471 evaluate_subexp_standard
,
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 {"", "", "", ""}, /* Binary format info */
480 {"0%o", "0", "o", ""}, /* Octal format info */
481 {"%d", "", "d", ""}, /* Decimal format info */
482 {"0x%x", "0x", "x", ""}, /* Hex format info */
483 f_op_print_tab
, /* expression operators for printing */
484 0, /* arrays are first-class (not c-style) */
485 1, /* String lower bound */
486 &builtin_type_f_character
, /* Type of string elements */
491 _initialize_f_language ()
493 builtin_type_f_void
=
494 init_type (TYPE_CODE_VOID
, 1,
496 "VOID", (struct objfile
*) NULL
);
498 builtin_type_f_character
=
499 init_type (TYPE_CODE_INT
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
501 "character", (struct objfile
*) NULL
);
503 builtin_type_f_logical_s1
=
504 init_type (TYPE_CODE_BOOL
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
506 "logical*1", (struct objfile
*) NULL
);
508 builtin_type_f_integer_s2
=
509 init_type (TYPE_CODE_INT
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
511 "integer*2", (struct objfile
*) NULL
);
513 builtin_type_f_logical_s2
=
514 init_type (TYPE_CODE_BOOL
, TARGET_SHORT_BIT
/ TARGET_CHAR_BIT
,
516 "logical*2", (struct objfile
*) NULL
);
518 builtin_type_f_integer
=
519 init_type (TYPE_CODE_INT
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
521 "integer", (struct objfile
*) NULL
);
523 builtin_type_f_logical
=
524 init_type (TYPE_CODE_BOOL
, TARGET_INT_BIT
/ TARGET_CHAR_BIT
,
526 "logical*4", (struct objfile
*) NULL
);
528 builtin_type_f_real
=
529 init_type (TYPE_CODE_FLT
, TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
531 "real", (struct objfile
*) NULL
);
533 builtin_type_f_real_s8
=
534 init_type (TYPE_CODE_FLT
, TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
536 "real*8", (struct objfile
*) NULL
);
538 builtin_type_f_real_s16
=
539 init_type (TYPE_CODE_FLT
, TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
541 "real*16", (struct objfile
*) NULL
);
543 builtin_type_f_complex_s8
=
544 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_FLOAT_BIT
/ TARGET_CHAR_BIT
,
546 "complex*8", (struct objfile
*) NULL
);
547 TYPE_TARGET_TYPE (builtin_type_f_complex_s8
) = builtin_type_f_real
;
549 builtin_type_f_complex_s16
=
550 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
552 "complex*16", (struct objfile
*) NULL
);
553 TYPE_TARGET_TYPE (builtin_type_f_complex_s16
) = builtin_type_f_real_s8
;
555 /* We have a new size == 4 double floats for the
556 complex*32 data type */
558 builtin_type_f_complex_s32
=
559 init_type (TYPE_CODE_COMPLEX
, 2 * TARGET_LONG_DOUBLE_BIT
/ TARGET_CHAR_BIT
,
561 "complex*32", (struct objfile
*) NULL
);
562 TYPE_TARGET_TYPE (builtin_type_f_complex_s32
) = builtin_type_f_real_s16
;
564 builtin_type_string
=
565 init_type (TYPE_CODE_STRING
, TARGET_CHAR_BIT
/ TARGET_CHAR_BIT
,
567 "character string", (struct objfile
*) NULL
);
569 add_language (&f_language_defn
);
574 allocate_saved_bf_node()
578 new = (SAVED_BF_PTR
) xmalloc (sizeof (SAVED_BF
));
582 static SAVED_FUNCTION
*
583 allocate_saved_function_node()
587 new = (SAVED_FUNCTION
*) xmalloc (sizeof (SAVED_FUNCTION
));
591 static SAVED_F77_COMMON_PTR
allocate_saved_f77_common_node()
593 SAVED_F77_COMMON_PTR
new;
595 new = (SAVED_F77_COMMON_PTR
) xmalloc (sizeof (SAVED_F77_COMMON
));
599 static COMMON_ENTRY_PTR
allocate_common_entry_node()
601 COMMON_ENTRY_PTR
new;
603 new = (COMMON_ENTRY_PTR
) xmalloc (sizeof (COMMON_ENTRY
));
608 SAVED_F77_COMMON_PTR head_common_list
=NULL
; /* Ptr to 1st saved COMMON */
609 SAVED_F77_COMMON_PTR tail_common_list
=NULL
; /* Ptr to last saved COMMON */
610 SAVED_F77_COMMON_PTR current_common
=NULL
; /* Ptr to current COMMON */
613 static SAVED_BF_PTR saved_bf_list
=NULL
; /* Ptr to (.bf,function)
615 static SAVED_BF_PTR saved_bf_list_end
=NULL
; /* Ptr to above list's end */
616 static SAVED_BF_PTR current_head_bf_list
=NULL
; /* Current head of above list
619 static SAVED_BF_PTR tmp_bf_ptr
; /* Generic temporary for use
622 /* The following function simply enters a given common block onto
623 the global common block chain */
626 add_common_block(name
,offset
,secnum
,func_stab
)
632 SAVED_F77_COMMON_PTR tmp
;
633 char *c
,*local_copy_func_stab
;
635 /* If the COMMON block we are trying to add has a blank
636 name (i.e. "#BLNK_COM") then we set it to __BLANK
637 because the darn "#" character makes GDB's input
641 if (STREQ(name
,BLANK_COMMON_NAME_ORIGINAL
) ||
642 STREQ(name
,BLANK_COMMON_NAME_MF77
))
646 name
= alloca(strlen(BLANK_COMMON_NAME_LOCAL
) + 1);
647 strcpy(name
,BLANK_COMMON_NAME_LOCAL
);
650 tmp
= allocate_saved_f77_common_node();
652 local_copy_func_stab
= xmalloc (strlen(func_stab
) + 1);
653 strcpy(local_copy_func_stab
,func_stab
);
655 tmp
->name
= xmalloc(strlen(name
) + 1);
657 /* local_copy_func_stab is a stabstring, let us first extract the
658 function name from the stab by NULLing out the ':' character. */
662 c
= strchr(local_copy_func_stab
,':');
667 error("Malformed function STAB found in add_common_block()");
670 tmp
->owning_function
= xmalloc (strlen(local_copy_func_stab
) + 1);
672 strcpy(tmp
->owning_function
,local_copy_func_stab
);
674 strcpy(tmp
->name
,name
);
675 tmp
->offset
= offset
;
678 tmp
->secnum
= secnum
;
680 current_common
= tmp
;
682 if (head_common_list
== NULL
)
684 head_common_list
= tail_common_list
= tmp
;
688 tail_common_list
->next
= tmp
;
689 tail_common_list
= tmp
;
694 /* The following function simply enters a given common entry onto
695 the "current_common" block that has been saved away. */
699 add_common_entry(entry_sym_ptr
)
700 struct symbol
*entry_sym_ptr
;
702 COMMON_ENTRY_PTR tmp
;
706 /* The order of this list is important, since
707 we expect the entries to appear in decl.
708 order when we later issue "info common" calls */
710 tmp
= allocate_common_entry_node();
713 tmp
->symbol
= entry_sym_ptr
;
715 if (current_common
== NULL
)
716 error("Attempt to add COMMON entry with no block open!");
719 if (current_common
->entries
== NULL
)
721 current_common
->entries
= tmp
;
722 current_common
->end_of_entries
= tmp
;
726 current_common
->end_of_entries
->next
= tmp
;
727 current_common
->end_of_entries
= tmp
;
733 /* This routine finds the first encountred COMMON block named "name" */
736 static SAVED_F77_COMMON_PTR
737 find_first_common_named(name
)
741 SAVED_F77_COMMON_PTR tmp
;
743 tmp
= head_common_list
;
747 if (STREQ(tmp
->name
,name
))
756 /* This routine finds the first encountred COMMON block named "name"
757 that belongs to function funcname */
759 SAVED_F77_COMMON_PTR
find_common_for_function(name
, funcname
)
764 SAVED_F77_COMMON_PTR tmp
;
766 tmp
= head_common_list
;
770 if (STREQ(tmp
->name
,name
) && STREQ(tmp
->owning_function
,funcname
))
781 /* The following function is called to patch up the offsets
782 for the statics contained in the COMMON block named
786 patch_common_entries (blk
, offset
, secnum
)
787 SAVED_F77_COMMON_PTR blk
;
791 COMMON_ENTRY_PTR entry
;
793 blk
->offset
= offset
; /* Keep this around for future use. */
795 entry
= blk
->entries
;
797 while (entry
!= NULL
)
799 SYMBOL_VALUE (entry
->symbol
) += offset
;
800 SYMBOL_SECTION (entry
->symbol
) = secnum
;
804 blk
->secnum
= secnum
;
807 /* Patch all commons named "name" that need patching.Since COMMON
808 blocks occur with relative infrequency, we simply do a linear scan on
809 the name. Eventually, the best way to do this will be a
810 hashed-lookup. Secnum is the section number for the .bss section
811 (which is where common data lives). */
814 patch_all_commons_by_name (name
, offset
, secnum
)
820 SAVED_F77_COMMON_PTR tmp
;
822 /* For blank common blocks, change the canonical reprsentation
825 if ((STREQ(name
,BLANK_COMMON_NAME_ORIGINAL
)) ||
826 (STREQ(name
,BLANK_COMMON_NAME_MF77
)))
829 name
= alloca(strlen(BLANK_COMMON_NAME_LOCAL
) + 1);
830 strcpy(name
,BLANK_COMMON_NAME_LOCAL
);
833 tmp
= head_common_list
;
837 if (COMMON_NEEDS_PATCHING(tmp
))
838 if (STREQ(tmp
->name
,name
))
839 patch_common_entries(tmp
,offset
,secnum
);
846 /* This macro adds the symbol-number for the start of the function
847 (the symbol number of the .bf) referenced by symnum_fcn to a
848 list. This list, in reality should be a FIFO queue but since
849 #line pragmas sometimes cause line ranges to get messed up
850 we simply create a linear list. This list can then be searched
851 first by a queueing algorithm and upon failure fall back to
855 #define ADD_BF_SYMNUM(bf_sym,fcn_sym) \
857 if (saved_bf_list == NULL) \
859 tmp_bf_ptr = allocate_saved_bf_node(); \
861 tmp_bf_ptr->symnum_bf = (bf_sym); \
862 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
863 tmp_bf_ptr->next = NULL; \
865 current_head_bf_list = saved_bf_list = tmp_bf_ptr; \
866 saved_bf_list_end = tmp_bf_ptr; \
870 tmp_bf_ptr = allocate_saved_bf_node(); \
872 tmp_bf_ptr->symnum_bf = (bf_sym); \
873 tmp_bf_ptr->symnum_fcn = (fcn_sym); \
874 tmp_bf_ptr->next = NULL; \
876 saved_bf_list_end->next = tmp_bf_ptr; \
877 saved_bf_list_end = tmp_bf_ptr; \
881 /* This function frees the entire (.bf,function) list */
888 SAVED_BF_PTR tmp
= saved_bf_list
;
889 SAVED_BF_PTR next
= NULL
;
897 saved_bf_list
= NULL
;
901 int global_remote_debug
;
906 get_bf_for_fcn (the_function
)
912 /* First use a simple queuing algorithm (i.e. look and see if the
913 item at the head of the queue is the one you want) */
915 if (saved_bf_list
== NULL
)
916 fatal ("cannot get .bf node off empty list");
918 if (current_head_bf_list
!= NULL
)
919 if (current_head_bf_list
->symnum_fcn
== the_function
)
921 if (global_remote_debug
)
924 tmp
= current_head_bf_list
;
925 current_head_bf_list
= current_head_bf_list
->next
;
926 return(tmp
->symnum_bf
);
929 /* If the above did not work (probably because #line directives were
930 used in the sourcefile and they messed up our internal tables) we now do
931 the ugly linear scan */
933 if (global_remote_debug
)
934 fprintf(stderr
,"\ndefaulting to linear scan\n");
941 if (tmp
->symnum_fcn
== the_function
)
943 if (global_remote_debug
)
944 fprintf(stderr
,"Found in %d probes\n",nprobes
);
945 current_head_bf_list
= tmp
->next
;
946 return(tmp
->symnum_bf
);
954 static SAVED_FUNCTION_PTR saved_function_list
=NULL
;
955 static SAVED_FUNCTION_PTR saved_function_list_end
=NULL
;
958 clear_function_list()
960 SAVED_FUNCTION_PTR tmp
= saved_function_list
;
961 SAVED_FUNCTION_PTR next
= NULL
;
970 saved_function_list
= NULL
;