1 /* Symbol table lookup for the GNU debugger, GDB.
2 Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
32 #include "call-cmds.h"
33 #include "gdb_regex.h"
34 #include "expression.h"
41 #include <sys/types.h>
43 #include "gdb_string.h"
47 /* Prototype for one function in parser-defs.h,
48 instead of including that entire file. */
50 extern char *find_template_name_end (char *);
52 /* Prototypes for local functions */
54 static void completion_list_add_name (char *, char *, int, char *, char *);
56 static void rbreak_command (char *, int);
58 static void types_info (char *, int);
60 static void functions_info (char *, int);
62 static void variables_info (char *, int);
64 static void sources_info (char *, int);
66 static void output_source_filename (char *, int *);
68 static int find_line_common (struct linetable
*, int, int *);
70 /* This one is used by linespec.c */
72 char *operator_chars (char *p
, char **end
);
74 static struct partial_symbol
*lookup_partial_symbol (struct partial_symtab
*,
78 static struct symtab
*lookup_symtab_1 (char *);
80 static struct symbol
*lookup_symbol_aux (const char *name
, const
81 struct block
*block
, const
82 namespace_enum
namespace, int
83 *is_a_field_of_this
, struct
87 static struct symbol
*find_active_alias (struct symbol
*sym
, CORE_ADDR addr
);
89 /* This flag is used in hppa-tdep.c, and set in hp-symtab-read.c */
90 /* Signals the presence of objects compiled by HP compilers */
91 int hp_som_som_object_present
= 0;
93 static void fixup_section (struct general_symbol_info
*, struct objfile
*);
95 static int file_matches (char *, char **, int);
97 static void print_symbol_info (namespace_enum
,
98 struct symtab
*, struct symbol
*, int, char *);
100 static void print_msymbol_info (struct minimal_symbol
*);
102 static void symtab_symbol_info (char *, namespace_enum
, int);
104 static void overload_list_add_symbol (struct symbol
*sym
, char *oload_name
);
106 void _initialize_symtab (void);
110 /* The single non-language-specific builtin type */
111 struct type
*builtin_type_error
;
113 /* Block in which the most recently searched-for symbol was found.
114 Might be better to make this a parameter to lookup_symbol and
117 const struct block
*block_found
;
119 /* While the C++ support is still in flux, issue a possibly helpful hint on
120 using the new command completion feature on single quoted demangled C++
121 symbols. Remove when loose ends are cleaned up. FIXME -fnf */
124 cplusplus_hint (char *name
)
126 while (*name
== '\'')
128 printf_filtered ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name
, name
);
129 printf_filtered ("(Note leading single quote.)\n");
132 /* Check for a symtab of a specific name; first in symtabs, then in
133 psymtabs. *If* there is no '/' in the name, a match after a '/'
134 in the symtab filename will also work. */
136 static struct symtab
*
137 lookup_symtab_1 (char *name
)
139 register struct symtab
*s
;
140 register struct partial_symtab
*ps
;
141 register char *slash
;
142 register struct objfile
*objfile
;
146 /* First, search for an exact match */
148 ALL_SYMTABS (objfile
, s
)
149 if (STREQ (name
, s
->filename
))
152 slash
= strchr (name
, '/');
154 /* Now, search for a matching tail (only if name doesn't have any dirs) */
157 ALL_SYMTABS (objfile
, s
)
159 char *p
= s
->filename
;
160 char *tail
= strrchr (p
, '/');
169 /* Same search rules as above apply here, but now we look thru the
172 ps
= lookup_partial_symtab (name
);
177 error ("Internal: readin %s pst for `%s' found when no symtab found.",
180 s
= PSYMTAB_TO_SYMTAB (ps
);
185 /* At this point, we have located the psymtab for this file, but
186 the conversion to a symtab has failed. This usually happens
187 when we are looking up an include file. In this case,
188 PSYMTAB_TO_SYMTAB doesn't return a symtab, even though one has
189 been created. So, we need to run through the symtabs again in
190 order to find the file.
191 XXX - This is a crock, and should be fixed inside of the the
192 symbol parsing routines. */
196 /* Lookup the symbol table of a source file named NAME. Try a couple
197 of variations if the first lookup doesn't work. */
200 lookup_symtab (char *name
)
202 register struct symtab
*s
;
207 s
= lookup_symtab_1 (name
);
212 /* This screws c-exp.y:yylex if there is both a type "tree" and a symtab
215 /* If name not found as specified, see if adding ".c" helps. */
216 /* Why is this? Is it just a user convenience? (If so, it's pretty
217 questionable in the presence of C++, FORTRAN, etc.). It's not in
220 copy
= (char *) alloca (strlen (name
) + 3);
223 s
= lookup_symtab_1 (copy
);
228 /* We didn't find anything; die. */
232 /* Lookup the partial symbol table of a source file named NAME.
233 *If* there is no '/' in the name, a match after a '/'
234 in the psymtab filename will also work. */
236 struct partial_symtab
*
237 lookup_partial_symtab (char *name
)
239 register struct partial_symtab
*pst
;
240 register struct objfile
*objfile
;
242 ALL_PSYMTABS (objfile
, pst
)
244 if (STREQ (name
, pst
->filename
))
250 /* Now, search for a matching tail (only if name doesn't have any dirs) */
252 if (!strchr (name
, '/'))
253 ALL_PSYMTABS (objfile
, pst
)
255 char *p
= pst
->filename
;
256 char *tail
= strrchr (p
, '/');
268 /* Mangle a GDB method stub type. This actually reassembles the pieces of the
269 full method name, which consist of the class name (from T), the unadorned
270 method name from METHOD_ID, and the signature for the specific overload,
271 specified by SIGNATURE_ID. Note that this function is g++ specific. */
274 gdb_mangle_name (struct type
*type
, int method_id
, int signature_id
)
276 int mangled_name_len
;
278 struct fn_field
*f
= TYPE_FN_FIELDLIST1 (type
, method_id
);
279 struct fn_field
*method
= &f
[signature_id
];
280 char *field_name
= TYPE_FN_FIELDLIST_NAME (type
, method_id
);
281 char *physname
= TYPE_FN_FIELD_PHYSNAME (f
, signature_id
);
282 char *newname
= type_name_no_tag (type
);
284 /* Does the form of physname indicate that it is the full mangled name
285 of a constructor (not just the args)? */
286 int is_full_physname_constructor
;
289 int is_destructor
= DESTRUCTOR_PREFIX_P (physname
);
290 /* Need a new type prefix. */
291 char *const_prefix
= method
->is_const
? "C" : "";
292 char *volatile_prefix
= method
->is_volatile
? "V" : "";
294 int len
= (newname
== NULL
? 0 : strlen (newname
));
296 if (OPNAME_PREFIX_P (field_name
))
297 return xstrdup (physname
);
299 is_full_physname_constructor
=
300 ((physname
[0] == '_' && physname
[1] == '_' &&
301 (isdigit (physname
[2]) || physname
[2] == 'Q' || physname
[2] == 't'))
302 || (strncmp (physname
, "__ct", 4) == 0));
305 is_full_physname_constructor
|| (newname
&& STREQ (field_name
, newname
));
308 is_destructor
= (strncmp (physname
, "__dt", 4) == 0);
310 if (is_destructor
|| is_full_physname_constructor
)
312 mangled_name
= (char *) xmalloc (strlen (physname
) + 1);
313 strcpy (mangled_name
, physname
);
319 sprintf (buf
, "__%s%s", const_prefix
, volatile_prefix
);
321 else if (physname
[0] == 't' || physname
[0] == 'Q')
323 /* The physname for template and qualified methods already includes
325 sprintf (buf
, "__%s%s", const_prefix
, volatile_prefix
);
331 sprintf (buf
, "__%s%s%d", const_prefix
, volatile_prefix
, len
);
333 mangled_name_len
= ((is_constructor
? 0 : strlen (field_name
))
334 + strlen (buf
) + len
+ strlen (physname
) + 1);
337 mangled_name
= (char *) xmalloc (mangled_name_len
);
339 mangled_name
[0] = '\0';
341 strcpy (mangled_name
, field_name
);
343 strcat (mangled_name
, buf
);
344 /* If the class doesn't have a name, i.e. newname NULL, then we just
345 mangle it using 0 for the length of the class. Thus it gets mangled
346 as something starting with `::' rather than `classname::'. */
348 strcat (mangled_name
, newname
);
350 strcat (mangled_name
, physname
);
351 return (mangled_name
);
356 /* Find which partial symtab on contains PC and SECTION. Return 0 if none. */
358 struct partial_symtab
*
359 find_pc_sect_psymtab (CORE_ADDR pc
, asection
*section
)
361 register struct partial_symtab
*pst
;
362 register struct objfile
*objfile
;
364 ALL_PSYMTABS (objfile
, pst
)
366 if (pc
>= pst
->textlow
&& pc
< pst
->texthigh
)
368 struct minimal_symbol
*msymbol
;
369 struct partial_symtab
*tpst
;
371 /* An objfile that has its functions reordered might have
372 many partial symbol tables containing the PC, but
373 we want the partial symbol table that contains the
374 function containing the PC. */
375 if (!(objfile
->flags
& OBJF_REORDERED
) &&
376 section
== 0) /* can't validate section this way */
379 msymbol
= lookup_minimal_symbol_by_pc_section (pc
, section
);
383 for (tpst
= pst
; tpst
!= NULL
; tpst
= tpst
->next
)
385 if (pc
>= tpst
->textlow
&& pc
< tpst
->texthigh
)
387 struct partial_symbol
*p
;
389 p
= find_pc_sect_psymbol (tpst
, pc
, section
);
391 && SYMBOL_VALUE_ADDRESS (p
)
392 == SYMBOL_VALUE_ADDRESS (msymbol
))
402 /* Find which partial symtab contains PC. Return 0 if none.
403 Backward compatibility, no section */
405 struct partial_symtab
*
406 find_pc_psymtab (CORE_ADDR pc
)
408 return find_pc_sect_psymtab (pc
, find_pc_mapped_section (pc
));
411 /* Find which partial symbol within a psymtab matches PC and SECTION.
412 Return 0 if none. Check all psymtabs if PSYMTAB is 0. */
414 struct partial_symbol
*
415 find_pc_sect_psymbol (struct partial_symtab
*psymtab
, CORE_ADDR pc
,
418 struct partial_symbol
*best
= NULL
, *p
, **pp
;
422 psymtab
= find_pc_sect_psymtab (pc
, section
);
426 /* Cope with programs that start at address 0 */
427 best_pc
= (psymtab
->textlow
!= 0) ? psymtab
->textlow
- 1 : 0;
429 /* Search the global symbols as well as the static symbols, so that
430 find_pc_partial_function doesn't use a minimal symbol and thus
431 cache a bad endaddr. */
432 for (pp
= psymtab
->objfile
->global_psymbols
.list
+ psymtab
->globals_offset
;
433 (pp
- (psymtab
->objfile
->global_psymbols
.list
+ psymtab
->globals_offset
)
434 < psymtab
->n_global_syms
);
438 if (SYMBOL_NAMESPACE (p
) == VAR_NAMESPACE
439 && SYMBOL_CLASS (p
) == LOC_BLOCK
440 && pc
>= SYMBOL_VALUE_ADDRESS (p
)
441 && (SYMBOL_VALUE_ADDRESS (p
) > best_pc
442 || (psymtab
->textlow
== 0
443 && best_pc
== 0 && SYMBOL_VALUE_ADDRESS (p
) == 0)))
445 if (section
) /* match on a specific section */
447 fixup_psymbol_section (p
, psymtab
->objfile
);
448 if (SYMBOL_BFD_SECTION (p
) != section
)
451 best_pc
= SYMBOL_VALUE_ADDRESS (p
);
456 for (pp
= psymtab
->objfile
->static_psymbols
.list
+ psymtab
->statics_offset
;
457 (pp
- (psymtab
->objfile
->static_psymbols
.list
+ psymtab
->statics_offset
)
458 < psymtab
->n_static_syms
);
462 if (SYMBOL_NAMESPACE (p
) == VAR_NAMESPACE
463 && SYMBOL_CLASS (p
) == LOC_BLOCK
464 && pc
>= SYMBOL_VALUE_ADDRESS (p
)
465 && (SYMBOL_VALUE_ADDRESS (p
) > best_pc
466 || (psymtab
->textlow
== 0
467 && best_pc
== 0 && SYMBOL_VALUE_ADDRESS (p
) == 0)))
469 if (section
) /* match on a specific section */
471 fixup_psymbol_section (p
, psymtab
->objfile
);
472 if (SYMBOL_BFD_SECTION (p
) != section
)
475 best_pc
= SYMBOL_VALUE_ADDRESS (p
);
483 /* Find which partial symbol within a psymtab matches PC. Return 0 if none.
484 Check all psymtabs if PSYMTAB is 0. Backwards compatibility, no section. */
486 struct partial_symbol
*
487 find_pc_psymbol (struct partial_symtab
*psymtab
, CORE_ADDR pc
)
489 return find_pc_sect_psymbol (psymtab
, pc
, find_pc_mapped_section (pc
));
492 /* Debug symbols usually don't have section information. We need to dig that
493 out of the minimal symbols and stash that in the debug symbol. */
496 fixup_section (struct general_symbol_info
*ginfo
, struct objfile
*objfile
)
498 struct minimal_symbol
*msym
;
499 msym
= lookup_minimal_symbol (ginfo
->name
, NULL
, objfile
);
503 ginfo
->bfd_section
= SYMBOL_BFD_SECTION (msym
);
504 ginfo
->section
= SYMBOL_SECTION (msym
);
509 fixup_symbol_section (struct symbol
*sym
, struct objfile
*objfile
)
514 if (SYMBOL_BFD_SECTION (sym
))
517 fixup_section (&sym
->ginfo
, objfile
);
522 struct partial_symbol
*
523 fixup_psymbol_section (struct partial_symbol
*psym
, struct objfile
*objfile
)
528 if (SYMBOL_BFD_SECTION (psym
))
531 fixup_section (&psym
->ginfo
, objfile
);
536 /* Find the definition for a specified symbol name NAME
537 in namespace NAMESPACE, visible from lexical block BLOCK.
538 Returns the struct symbol pointer, or zero if no symbol is found.
539 If SYMTAB is non-NULL, store the symbol table in which the
540 symbol was found there, or NULL if not found.
541 C++: if IS_A_FIELD_OF_THIS is nonzero on entry, check to see if
542 NAME is a field of the current implied argument `this'. If so set
543 *IS_A_FIELD_OF_THIS to 1, otherwise set it to zero.
544 BLOCK_FOUND is set to the block in which NAME is found (in the case of
545 a field of `this', value_of_this sets BLOCK_FOUND to the proper value.) */
547 /* This function has a bunch of loops in it and it would seem to be
548 attractive to put in some QUIT's (though I'm not really sure
549 whether it can run long enough to be really important). But there
550 are a few calls for which it would appear to be bad news to quit
551 out of here: find_proc_desc in alpha-tdep.c and mips-tdep.c, and
552 nindy_frame_chain_valid in nindy-tdep.c. (Note that there is C++
553 code below which can error(), but that probably doesn't affect
554 these calls since they are looking for a known variable and thus
555 can probably assume it will never hit the C++ code). */
558 lookup_symbol (const char *name
, const struct block
*block
,
559 const namespace_enum
namespace, int *is_a_field_of_this
,
560 struct symtab
**symtab
)
562 char *modified_name
= NULL
;
563 char *modified_name2
= NULL
;
564 int needtofreename
= 0;
565 struct symbol
*returnval
;
567 if (case_sensitivity
== case_sensitive_off
)
573 copy
= (char *) alloca (len
+ 1);
574 for (i
= 0; i
< len
; i
++)
575 copy
[i
] = tolower (name
[i
]);
577 modified_name
= copy
;
580 modified_name
= (char *) name
;
582 /* If we are using C++ language, demangle the name before doing a lookup, so
583 we can always binary search. */
584 if (current_language
->la_language
== language_cplus
)
586 modified_name2
= cplus_demangle (modified_name
, DMGL_ANSI
| DMGL_PARAMS
);
589 modified_name
= modified_name2
;
594 returnval
= lookup_symbol_aux (modified_name
, block
, namespace,
595 is_a_field_of_this
, symtab
);
597 free (modified_name2
);
602 static struct symbol
*
603 lookup_symbol_aux (const char *name
, const struct block
*block
,
604 const namespace_enum
namespace, int *is_a_field_of_this
,
605 struct symtab
**symtab
)
607 register struct symbol
*sym
;
608 register struct symtab
*s
= NULL
;
609 register struct partial_symtab
*ps
;
610 register struct blockvector
*bv
;
611 register struct objfile
*objfile
= NULL
;
612 register struct block
*b
;
613 register struct minimal_symbol
*msymbol
;
616 /* Search specified block and its superiors. */
620 sym
= lookup_block_symbol (block
, name
, namespace);
626 /* Search the list of symtabs for one which contains the
627 address of the start of this block. */
628 ALL_SYMTABS (objfile
, s
)
630 bv
= BLOCKVECTOR (s
);
631 b
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
632 if (BLOCK_START (b
) <= BLOCK_START (block
)
633 && BLOCK_END (b
) > BLOCK_START (block
))
640 return fixup_symbol_section (sym
, objfile
);
642 block
= BLOCK_SUPERBLOCK (block
);
645 /* FIXME: this code is never executed--block is always NULL at this
646 point. What is it trying to do, anyway? We already should have
647 checked the STATIC_BLOCK above (it is the superblock of top-level
648 blocks). Why is VAR_NAMESPACE special-cased? */
649 /* Don't need to mess with the psymtabs; if we have a block,
650 that file is read in. If we don't, then we deal later with
651 all the psymtab stuff that needs checking. */
652 /* Note (RT): The following never-executed code looks unnecessary to me also.
653 * If we change the code to use the original (passed-in)
654 * value of 'block', we could cause it to execute, but then what
655 * would it do? The STATIC_BLOCK of the symtab containing the passed-in
656 * 'block' was already searched by the above code. And the STATIC_BLOCK's
657 * of *other* symtabs (those files not containing 'block' lexically)
658 * should not contain 'block' address-wise. So we wouldn't expect this
659 * code to find any 'sym''s that were not found above. I vote for
660 * deleting the following paragraph of code.
662 if (namespace == VAR_NAMESPACE
&& block
!= NULL
)
665 /* Find the right symtab. */
666 ALL_SYMTABS (objfile
, s
)
668 bv
= BLOCKVECTOR (s
);
669 b
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
670 if (BLOCK_START (b
) <= BLOCK_START (block
)
671 && BLOCK_END (b
) > BLOCK_START (block
))
673 sym
= lookup_block_symbol (b
, name
, VAR_NAMESPACE
);
679 return fixup_symbol_section (sym
, objfile
);
686 /* C++: If requested to do so by the caller,
687 check to see if NAME is a field of `this'. */
688 if (is_a_field_of_this
)
690 struct value
*v
= value_of_this (0);
692 *is_a_field_of_this
= 0;
693 if (v
&& check_field (v
, name
))
695 *is_a_field_of_this
= 1;
702 /* Now search all global blocks. Do the symtab's first, then
703 check the psymtab's. If a psymtab indicates the existence
704 of the desired name as a global, then do psymtab-to-symtab
705 conversion on the fly and return the found symbol. */
707 ALL_SYMTABS (objfile
, s
)
709 bv
= BLOCKVECTOR (s
);
710 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
711 sym
= lookup_block_symbol (block
, name
, namespace);
717 return fixup_symbol_section (sym
, objfile
);
723 /* Check for the possibility of the symbol being a function or
724 a mangled variable that is stored in one of the minimal symbol tables.
725 Eventually, all global symbols might be resolved in this way. */
727 if (namespace == VAR_NAMESPACE
)
729 msymbol
= lookup_minimal_symbol (name
, NULL
, NULL
);
732 s
= find_pc_sect_symtab (SYMBOL_VALUE_ADDRESS (msymbol
),
733 SYMBOL_BFD_SECTION (msymbol
));
736 /* This is a function which has a symtab for its address. */
737 bv
= BLOCKVECTOR (s
);
738 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
739 sym
= lookup_block_symbol (block
, SYMBOL_NAME (msymbol
),
741 /* We kept static functions in minimal symbol table as well as
742 in static scope. We want to find them in the symbol table. */
745 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
746 sym
= lookup_block_symbol (block
, SYMBOL_NAME (msymbol
),
750 /* sym == 0 if symbol was found in the minimal symbol table
751 but not in the symtab.
752 Return 0 to use the msymbol definition of "foo_".
754 This happens for Fortran "foo_" symbols,
755 which are "foo" in the symtab.
757 This can also happen if "asm" is used to make a
758 regular symbol but not a debugging symbol, e.g.
765 return fixup_symbol_section (sym
, objfile
);
767 else if (MSYMBOL_TYPE (msymbol
) != mst_text
768 && MSYMBOL_TYPE (msymbol
) != mst_file_text
769 && !STREQ (name
, SYMBOL_NAME (msymbol
)))
771 /* This is a mangled variable, look it up by its
773 return lookup_symbol (SYMBOL_NAME (msymbol
), block
,
774 namespace, is_a_field_of_this
, symtab
);
776 /* There are no debug symbols for this file, or we are looking
777 for an unmangled variable.
778 Try to find a matching static symbol below. */
784 ALL_PSYMTABS (objfile
, ps
)
786 if (!ps
->readin
&& lookup_partial_symbol (ps
, name
, 1, namespace))
788 s
= PSYMTAB_TO_SYMTAB (ps
);
789 bv
= BLOCKVECTOR (s
);
790 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
791 sym
= lookup_block_symbol (block
, name
, namespace);
794 /* This shouldn't be necessary, but as a last resort
795 * try looking in the statics even though the psymtab
796 * claimed the symbol was global. It's possible that
797 * the psymtab gets it wrong in some cases.
799 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
800 sym
= lookup_block_symbol (block
, name
, namespace);
802 error ("Internal: global symbol `%s' found in %s psymtab but not in symtab.\n\
803 %s may be an inlined function, or may be a template function\n\
804 (if a template, try specifying an instantiation: %s<type>).",
805 name
, ps
->filename
, name
, name
);
809 return fixup_symbol_section (sym
, objfile
);
813 /* Now search all static file-level symbols.
814 Not strictly correct, but more useful than an error.
815 Do the symtabs first, then check the psymtabs.
816 If a psymtab indicates the existence
817 of the desired name as a file-level static, then do psymtab-to-symtab
818 conversion on the fly and return the found symbol. */
820 ALL_SYMTABS (objfile
, s
)
822 bv
= BLOCKVECTOR (s
);
823 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
824 sym
= lookup_block_symbol (block
, name
, namespace);
830 return fixup_symbol_section (sym
, objfile
);
834 ALL_PSYMTABS (objfile
, ps
)
836 if (!ps
->readin
&& lookup_partial_symbol (ps
, name
, 0, namespace))
838 s
= PSYMTAB_TO_SYMTAB (ps
);
839 bv
= BLOCKVECTOR (s
);
840 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
841 sym
= lookup_block_symbol (block
, name
, namespace);
844 /* This shouldn't be necessary, but as a last resort
845 * try looking in the globals even though the psymtab
846 * claimed the symbol was static. It's possible that
847 * the psymtab gets it wrong in some cases.
849 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
850 sym
= lookup_block_symbol (block
, name
, namespace);
852 error ("Internal: static symbol `%s' found in %s psymtab but not in symtab.\n\
853 %s may be an inlined function, or may be a template function\n\
854 (if a template, try specifying an instantiation: %s<type>).",
855 name
, ps
->filename
, name
, name
);
859 return fixup_symbol_section (sym
, objfile
);
865 /* Check for the possibility of the symbol being a function or
866 a global variable that is stored in one of the minimal symbol tables.
867 The "minimal symbol table" is built from linker-supplied info.
869 RT: I moved this check to last, after the complete search of
870 the global (p)symtab's and static (p)symtab's. For HP-generated
871 symbol tables, this check was causing a premature exit from
872 lookup_symbol with NULL return, and thus messing up symbol lookups
873 of things like "c::f". It seems to me a check of the minimal
874 symbol table ought to be a last resort in any case. I'm vaguely
875 worried about the comment below which talks about FORTRAN routines "foo_"
876 though... is it saying we need to do the "minsym" check before
877 the static check in this case?
880 if (namespace == VAR_NAMESPACE
)
882 msymbol
= lookup_minimal_symbol (name
, NULL
, NULL
);
885 /* OK, we found a minimal symbol in spite of not
886 * finding any symbol. There are various possible
887 * explanations for this. One possibility is the symbol
888 * exists in code not compiled -g. Another possibility
889 * is that the 'psymtab' isn't doing its job.
890 * A third possibility, related to #2, is that we were confused
891 * by name-mangling. For instance, maybe the psymtab isn't
892 * doing its job because it only know about demangled
893 * names, but we were given a mangled name...
896 /* We first use the address in the msymbol to try to
897 * locate the appropriate symtab. Note that find_pc_symtab()
898 * has a side-effect of doing psymtab-to-symtab expansion,
899 * for the found symtab.
901 s
= find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol
));
904 bv
= BLOCKVECTOR (s
);
905 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
906 sym
= lookup_block_symbol (block
, SYMBOL_NAME (msymbol
),
908 /* We kept static functions in minimal symbol table as well as
909 in static scope. We want to find them in the symbol table. */
912 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
913 sym
= lookup_block_symbol (block
, SYMBOL_NAME (msymbol
),
916 /* If we found one, return it */
924 /* If we get here with sym == 0, the symbol was
925 found in the minimal symbol table
926 but not in the symtab.
927 Fall through and return 0 to use the msymbol
928 definition of "foo_".
929 (Note that outer code generally follows up a call
930 to this routine with a call to lookup_minimal_symbol(),
931 so a 0 return means we'll just flow into that other routine).
933 This happens for Fortran "foo_" symbols,
934 which are "foo" in the symtab.
936 This can also happen if "asm" is used to make a
937 regular symbol but not a debugging symbol, e.g.
943 /* If the lookup-by-address fails, try repeating the
944 * entire lookup process with the symbol name from
945 * the msymbol (if different from the original symbol name).
947 else if (MSYMBOL_TYPE (msymbol
) != mst_text
948 && MSYMBOL_TYPE (msymbol
) != mst_file_text
949 && !STREQ (name
, SYMBOL_NAME (msymbol
)))
951 return lookup_symbol (SYMBOL_NAME (msymbol
), block
,
952 namespace, is_a_field_of_this
, symtab
);
964 /* Look, in partial_symtab PST, for symbol NAME. Check the global
965 symbols if GLOBAL, the static symbols if not */
967 static struct partial_symbol
*
968 lookup_partial_symbol (struct partial_symtab
*pst
, const char *name
, int global
,
969 namespace_enum
namespace)
971 struct partial_symbol
*temp
;
972 struct partial_symbol
**start
, **psym
;
973 struct partial_symbol
**top
, **bottom
, **center
;
974 int length
= (global
? pst
->n_global_syms
: pst
->n_static_syms
);
975 int do_linear_search
= 1;
982 pst
->objfile
->global_psymbols
.list
+ pst
->globals_offset
:
983 pst
->objfile
->static_psymbols
.list
+ pst
->statics_offset
);
985 if (global
) /* This means we can use a binary search. */
987 do_linear_search
= 0;
989 /* Binary search. This search is guaranteed to end with center
990 pointing at the earliest partial symbol with the correct
991 name. At that point *all* partial symbols with that name
992 will be checked against the correct namespace. */
995 top
= start
+ length
- 1;
998 center
= bottom
+ (top
- bottom
) / 2;
1001 if (!do_linear_search
1002 && (SYMBOL_LANGUAGE (*center
) == language_java
))
1004 do_linear_search
= 1;
1006 if (STRCMP (SYMBOL_SOURCE_NAME (*center
), name
) >= 0)
1012 bottom
= center
+ 1;
1015 if (!(top
== bottom
))
1018 /* djb - 2000-06-03 - Use SYMBOL_MATCHES_NAME, not a strcmp, so
1019 we don't have to force a linear search on C++. Probably holds true
1020 for JAVA as well, no way to check.*/
1021 while (SYMBOL_MATCHES_NAME (*top
,name
))
1023 if (SYMBOL_NAMESPACE (*top
) == namespace)
1031 /* Can't use a binary search or else we found during the binary search that
1032 we should also do a linear search. */
1034 if (do_linear_search
)
1036 for (psym
= start
; psym
< start
+ length
; psym
++)
1038 if (namespace == SYMBOL_NAMESPACE (*psym
))
1040 if (SYMBOL_MATCHES_NAME (*psym
, name
))
1051 /* Look up a type named NAME in the struct_namespace. The type returned
1052 must not be opaque -- i.e., must have at least one field defined
1054 This code was modelled on lookup_symbol -- the parts not relevant to looking
1055 up types were just left out. In particular it's assumed here that types
1056 are available in struct_namespace and only at file-static or global blocks. */
1060 lookup_transparent_type (const char *name
)
1062 register struct symbol
*sym
;
1063 register struct symtab
*s
= NULL
;
1064 register struct partial_symtab
*ps
;
1065 struct blockvector
*bv
;
1066 register struct objfile
*objfile
;
1067 register struct block
*block
;
1069 /* Now search all the global symbols. Do the symtab's first, then
1070 check the psymtab's. If a psymtab indicates the existence
1071 of the desired name as a global, then do psymtab-to-symtab
1072 conversion on the fly and return the found symbol. */
1074 ALL_SYMTABS (objfile
, s
)
1076 bv
= BLOCKVECTOR (s
);
1077 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
1078 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1079 if (sym
&& !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym
)))
1081 return SYMBOL_TYPE (sym
);
1085 ALL_PSYMTABS (objfile
, ps
)
1087 if (!ps
->readin
&& lookup_partial_symbol (ps
, name
, 1, STRUCT_NAMESPACE
))
1089 s
= PSYMTAB_TO_SYMTAB (ps
);
1090 bv
= BLOCKVECTOR (s
);
1091 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
1092 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1095 /* This shouldn't be necessary, but as a last resort
1096 * try looking in the statics even though the psymtab
1097 * claimed the symbol was global. It's possible that
1098 * the psymtab gets it wrong in some cases.
1100 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
1101 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1103 error ("Internal: global symbol `%s' found in %s psymtab but not in symtab.\n\
1104 %s may be an inlined function, or may be a template function\n\
1105 (if a template, try specifying an instantiation: %s<type>).",
1106 name
, ps
->filename
, name
, name
);
1108 if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym
)))
1109 return SYMBOL_TYPE (sym
);
1113 /* Now search the static file-level symbols.
1114 Not strictly correct, but more useful than an error.
1115 Do the symtab's first, then
1116 check the psymtab's. If a psymtab indicates the existence
1117 of the desired name as a file-level static, then do psymtab-to-symtab
1118 conversion on the fly and return the found symbol.
1121 ALL_SYMTABS (objfile
, s
)
1123 bv
= BLOCKVECTOR (s
);
1124 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
1125 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1126 if (sym
&& !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym
)))
1128 return SYMBOL_TYPE (sym
);
1132 ALL_PSYMTABS (objfile
, ps
)
1134 if (!ps
->readin
&& lookup_partial_symbol (ps
, name
, 0, STRUCT_NAMESPACE
))
1136 s
= PSYMTAB_TO_SYMTAB (ps
);
1137 bv
= BLOCKVECTOR (s
);
1138 block
= BLOCKVECTOR_BLOCK (bv
, STATIC_BLOCK
);
1139 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1142 /* This shouldn't be necessary, but as a last resort
1143 * try looking in the globals even though the psymtab
1144 * claimed the symbol was static. It's possible that
1145 * the psymtab gets it wrong in some cases.
1147 block
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
1148 sym
= lookup_block_symbol (block
, name
, STRUCT_NAMESPACE
);
1150 error ("Internal: static symbol `%s' found in %s psymtab but not in symtab.\n\
1151 %s may be an inlined function, or may be a template function\n\
1152 (if a template, try specifying an instantiation: %s<type>).",
1153 name
, ps
->filename
, name
, name
);
1155 if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym
)))
1156 return SYMBOL_TYPE (sym
);
1159 return (struct type
*) 0;
1163 /* Find the psymtab containing main(). */
1164 /* FIXME: What about languages without main() or specially linked
1165 executables that have no main() ? */
1167 struct partial_symtab
*
1168 find_main_psymtab (void)
1170 register struct partial_symtab
*pst
;
1171 register struct objfile
*objfile
;
1173 ALL_PSYMTABS (objfile
, pst
)
1175 if (lookup_partial_symbol (pst
, "main", 1, VAR_NAMESPACE
))
1183 /* Search BLOCK for symbol NAME in NAMESPACE.
1185 Note that if NAME is the demangled form of a C++ symbol, we will fail
1186 to find a match during the binary search of the non-encoded names, but
1187 for now we don't worry about the slight inefficiency of looking for
1188 a match we'll never find, since it will go pretty quick. Once the
1189 binary search terminates, we drop through and do a straight linear
1190 search on the symbols. Each symbol which is marked as being a C++
1191 symbol (language_cplus set) has both the encoded and non-encoded names
1192 tested for a match. */
1195 lookup_block_symbol (register const struct block
*block
, const char *name
,
1196 const namespace_enum
namespace)
1198 register int bot
, top
, inc
;
1199 register struct symbol
*sym
;
1200 register struct symbol
*sym_found
= NULL
;
1201 register int do_linear_search
= 1;
1203 /* If the blocks's symbols were sorted, start with a binary search. */
1205 if (BLOCK_SHOULD_SORT (block
))
1207 /* Reset the linear search flag so if the binary search fails, we
1208 won't do the linear search once unless we find some reason to
1211 do_linear_search
= 0;
1212 top
= BLOCK_NSYMS (block
);
1215 /* Advance BOT to not far before the first symbol whose name is NAME. */
1219 inc
= (top
- bot
+ 1);
1220 /* No need to keep binary searching for the last few bits worth. */
1225 inc
= (inc
>> 1) + bot
;
1226 sym
= BLOCK_SYM (block
, inc
);
1227 if (!do_linear_search
&& (SYMBOL_LANGUAGE (sym
) == language_java
))
1229 do_linear_search
= 1;
1231 if (SYMBOL_SOURCE_NAME (sym
)[0] < name
[0])
1235 else if (SYMBOL_SOURCE_NAME (sym
)[0] > name
[0])
1239 else if (STRCMP (SYMBOL_SOURCE_NAME (sym
), name
) < 0)
1249 /* Now scan forward until we run out of symbols, find one whose
1250 name is greater than NAME, or find one we want. If there is
1251 more than one symbol with the right name and namespace, we
1252 return the first one; I believe it is now impossible for us
1253 to encounter two symbols with the same name and namespace
1254 here, because blocks containing argument symbols are no
1257 top
= BLOCK_NSYMS (block
);
1260 sym
= BLOCK_SYM (block
, bot
);
1261 if (SYMBOL_MATCHES_NAME (sym
, name
))
1267 /* Here if block isn't sorted, or we fail to find a match during the
1268 binary search above. If during the binary search above, we find a
1269 symbol which is a C++ symbol, then we have re-enabled the linear
1270 search flag which was reset when starting the binary search.
1272 This loop is equivalent to the loop above, but hacked greatly for speed.
1274 Note that parameter symbols do not always show up last in the
1275 list; this loop makes sure to take anything else other than
1276 parameter symbols first; it only uses parameter symbols as a
1277 last resort. Note that this only takes up extra computation
1280 if (do_linear_search
)
1282 top
= BLOCK_NSYMS (block
);
1286 sym
= BLOCK_SYM (block
, bot
);
1287 if (SYMBOL_NAMESPACE (sym
) == namespace &&
1288 SYMBOL_MATCHES_NAME (sym
, name
))
1290 /* If SYM has aliases, then use any alias that is active
1291 at the current PC. If no alias is active at the current
1292 PC, then use the main symbol.
1294 ?!? Is checking the current pc correct? Is this routine
1295 ever called to look up a symbol from another context?
1297 FIXME: No, it's not correct. If someone sets a
1298 conditional breakpoint at an address, then the
1299 breakpoint's `struct expression' should refer to the
1300 `struct symbol' appropriate for the breakpoint's
1301 address, which may not be the PC.
1303 Even if it were never called from another context,
1304 it's totally bizarre for lookup_symbol's behavior to
1305 depend on the value of the inferior's current PC. We
1306 should pass in the appropriate PC as well as the
1307 block. The interface to lookup_symbol should change
1308 to require the caller to provide a PC. */
1310 if (SYMBOL_ALIASES (sym
))
1311 sym
= find_active_alias (sym
, read_pc ());
1314 if (SYMBOL_CLASS (sym
) != LOC_ARG
&&
1315 SYMBOL_CLASS (sym
) != LOC_LOCAL_ARG
&&
1316 SYMBOL_CLASS (sym
) != LOC_REF_ARG
&&
1317 SYMBOL_CLASS (sym
) != LOC_REGPARM
&&
1318 SYMBOL_CLASS (sym
) != LOC_REGPARM_ADDR
&&
1319 SYMBOL_CLASS (sym
) != LOC_BASEREG_ARG
)
1327 return (sym_found
); /* Will be NULL if not found. */
1330 /* Given a main symbol SYM and ADDR, search through the alias
1331 list to determine if an alias is active at ADDR and return
1334 If no alias is active, then return SYM. */
1336 static struct symbol
*
1337 find_active_alias (struct symbol
*sym
, CORE_ADDR addr
)
1339 struct range_list
*r
;
1340 struct alias_list
*aliases
;
1342 /* If we have aliases, check them first. */
1343 aliases
= SYMBOL_ALIASES (sym
);
1347 if (!SYMBOL_RANGES (aliases
->sym
))
1348 return aliases
->sym
;
1349 for (r
= SYMBOL_RANGES (aliases
->sym
); r
; r
= r
->next
)
1351 if (r
->start
<= addr
&& r
->end
> addr
)
1352 return aliases
->sym
;
1354 aliases
= aliases
->next
;
1357 /* Nothing found, return the main symbol. */
1362 /* Return the symbol for the function which contains a specified
1363 lexical block, described by a struct block BL. */
1366 block_function (struct block
*bl
)
1368 while (BLOCK_FUNCTION (bl
) == 0 && BLOCK_SUPERBLOCK (bl
) != 0)
1369 bl
= BLOCK_SUPERBLOCK (bl
);
1371 return BLOCK_FUNCTION (bl
);
1374 /* Find the symtab associated with PC and SECTION. Look through the
1375 psymtabs and read in another symtab if necessary. */
1378 find_pc_sect_symtab (CORE_ADDR pc
, asection
*section
)
1380 register struct block
*b
;
1381 struct blockvector
*bv
;
1382 register struct symtab
*s
= NULL
;
1383 register struct symtab
*best_s
= NULL
;
1384 register struct partial_symtab
*ps
;
1385 register struct objfile
*objfile
;
1386 CORE_ADDR distance
= 0;
1388 /* Search all symtabs for the one whose file contains our address, and which
1389 is the smallest of all the ones containing the address. This is designed
1390 to deal with a case like symtab a is at 0x1000-0x2000 and 0x3000-0x4000
1391 and symtab b is at 0x2000-0x3000. So the GLOBAL_BLOCK for a is from
1392 0x1000-0x4000, but for address 0x2345 we want to return symtab b.
1394 This happens for native ecoff format, where code from included files
1395 gets its own symtab. The symtab for the included file should have
1396 been read in already via the dependency mechanism.
1397 It might be swifter to create several symtabs with the same name
1398 like xcoff does (I'm not sure).
1400 It also happens for objfiles that have their functions reordered.
1401 For these, the symtab we are looking for is not necessarily read in. */
1403 ALL_SYMTABS (objfile
, s
)
1405 bv
= BLOCKVECTOR (s
);
1406 b
= BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
);
1408 if (BLOCK_START (b
) <= pc
1409 && BLOCK_END (b
) > pc
1411 || BLOCK_END (b
) - BLOCK_START (b
) < distance
))
1413 /* For an objfile that has its functions reordered,
1414 find_pc_psymtab will find the proper partial symbol table
1415 and we simply return its corresponding symtab. */
1416 /* In order to better support objfiles that contain both
1417 stabs and coff debugging info, we continue on if a psymtab
1419 if ((objfile
->flags
& OBJF_REORDERED
) && objfile
->psymtabs
)
1421 ps
= find_pc_sect_psymtab (pc
, section
);
1423 return PSYMTAB_TO_SYMTAB (ps
);
1429 for (i
= 0; i
< b
->nsyms
; i
++)
1431 fixup_symbol_section (b
->sym
[i
], objfile
);
1432 if (section
== SYMBOL_BFD_SECTION (b
->sym
[i
]))
1436 continue; /* no symbol in this symtab matches section */
1438 distance
= BLOCK_END (b
) - BLOCK_START (b
);
1447 ps
= find_pc_sect_psymtab (pc
, section
);
1451 /* Might want to error() here (in case symtab is corrupt and
1452 will cause a core dump), but maybe we can successfully
1453 continue, so let's not. */
1455 (Internal error: pc 0x%s in read in psymtab, but not in symtab.)\n",
1457 s
= PSYMTAB_TO_SYMTAB (ps
);
1462 /* Find the symtab associated with PC. Look through the psymtabs and
1463 read in another symtab if necessary. Backward compatibility, no section */
1466 find_pc_symtab (CORE_ADDR pc
)
1468 return find_pc_sect_symtab (pc
, find_pc_mapped_section (pc
));
1474 /* Find the closest symbol value (of any sort -- function or variable)
1475 for a given address value. Slow but complete. (currently unused,
1476 mainly because it is too slow. We could fix it if each symtab and
1477 psymtab had contained in it the addresses ranges of each of its
1478 sections, which also would be required to make things like "info
1479 line *0x2345" cause psymtabs to be converted to symtabs). */
1482 find_addr_symbol (CORE_ADDR addr
, struct symtab
**symtabp
, CORE_ADDR
*symaddrp
)
1484 struct symtab
*symtab
, *best_symtab
;
1485 struct objfile
*objfile
;
1486 register int bot
, top
;
1487 register struct symbol
*sym
;
1488 register CORE_ADDR sym_addr
;
1489 struct block
*block
;
1492 /* Info on best symbol seen so far */
1494 register CORE_ADDR best_sym_addr
= 0;
1495 struct symbol
*best_sym
= 0;
1497 /* FIXME -- we should pull in all the psymtabs, too! */
1498 ALL_SYMTABS (objfile
, symtab
)
1500 /* Search the global and static blocks in this symtab for
1501 the closest symbol-address to the desired address. */
1503 for (blocknum
= GLOBAL_BLOCK
; blocknum
<= STATIC_BLOCK
; blocknum
++)
1506 block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab
), blocknum
);
1507 top
= BLOCK_NSYMS (block
);
1508 for (bot
= 0; bot
< top
; bot
++)
1510 sym
= BLOCK_SYM (block
, bot
);
1511 switch (SYMBOL_CLASS (sym
))
1515 sym_addr
= SYMBOL_VALUE_ADDRESS (sym
);
1519 sym_addr
= SYMBOL_VALUE_ADDRESS (sym
);
1520 /* An indirect symbol really lives at *sym_addr,
1521 * so an indirection needs to be done.
1522 * However, I am leaving this commented out because it's
1523 * expensive, and it's possible that symbolization
1524 * could be done without an active process (in
1525 * case this read_memory will fail). RT
1526 sym_addr = read_memory_unsigned_integer
1527 (sym_addr, TARGET_PTR_BIT / TARGET_CHAR_BIT);
1532 sym_addr
= BLOCK_START (SYMBOL_BLOCK_VALUE (sym
));
1539 if (sym_addr
<= addr
)
1540 if (sym_addr
> best_sym_addr
)
1542 /* Quit if we found an exact match. */
1544 best_sym_addr
= sym_addr
;
1545 best_symtab
= symtab
;
1546 if (sym_addr
== addr
)
1555 *symtabp
= best_symtab
;
1557 *symaddrp
= best_sym_addr
;
1562 /* Find the source file and line number for a given PC value and SECTION.
1563 Return a structure containing a symtab pointer, a line number,
1564 and a pc range for the entire source line.
1565 The value's .pc field is NOT the specified pc.
1566 NOTCURRENT nonzero means, if specified pc is on a line boundary,
1567 use the line that ends there. Otherwise, in that case, the line
1568 that begins there is used. */
1570 /* The big complication here is that a line may start in one file, and end just
1571 before the start of another file. This usually occurs when you #include
1572 code in the middle of a subroutine. To properly find the end of a line's PC
1573 range, we must search all symtabs associated with this compilation unit, and
1574 find the one whose first PC is closer than that of the next line in this
1577 /* If it's worth the effort, we could be using a binary search. */
1579 struct symtab_and_line
1580 find_pc_sect_line (CORE_ADDR pc
, struct sec
*section
, int notcurrent
)
1583 register struct linetable
*l
;
1586 register struct linetable_entry
*item
;
1587 struct symtab_and_line val
;
1588 struct blockvector
*bv
;
1589 struct minimal_symbol
*msymbol
;
1590 struct minimal_symbol
*mfunsym
;
1592 /* Info on best line seen so far, and where it starts, and its file. */
1594 struct linetable_entry
*best
= NULL
;
1595 CORE_ADDR best_end
= 0;
1596 struct symtab
*best_symtab
= 0;
1598 /* Store here the first line number
1599 of a file which contains the line at the smallest pc after PC.
1600 If we don't find a line whose range contains PC,
1601 we will use a line one less than this,
1602 with a range from the start of that file to the first line's pc. */
1603 struct linetable_entry
*alt
= NULL
;
1604 struct symtab
*alt_symtab
= 0;
1606 /* Info on best line seen in this file. */
1608 struct linetable_entry
*prev
;
1610 /* If this pc is not from the current frame,
1611 it is the address of the end of a call instruction.
1612 Quite likely that is the start of the following statement.
1613 But what we want is the statement containing the instruction.
1614 Fudge the pc to make sure we get that. */
1616 INIT_SAL (&val
); /* initialize to zeroes */
1621 /* elz: added this because this function returned the wrong
1622 information if the pc belongs to a stub (import/export)
1623 to call a shlib function. This stub would be anywhere between
1624 two functions in the target, and the line info was erroneously
1625 taken to be the one of the line before the pc.
1627 /* RT: Further explanation:
1629 * We have stubs (trampolines) inserted between procedures.
1631 * Example: "shr1" exists in a shared library, and a "shr1" stub also
1632 * exists in the main image.
1634 * In the minimal symbol table, we have a bunch of symbols
1635 * sorted by start address. The stubs are marked as "trampoline",
1636 * the others appear as text. E.g.:
1638 * Minimal symbol table for main image
1639 * main: code for main (text symbol)
1640 * shr1: stub (trampoline symbol)
1641 * foo: code for foo (text symbol)
1643 * Minimal symbol table for "shr1" image:
1645 * shr1: code for shr1 (text symbol)
1648 * So the code below is trying to detect if we are in the stub
1649 * ("shr1" stub), and if so, find the real code ("shr1" trampoline),
1650 * and if found, do the symbolization from the real-code address
1651 * rather than the stub address.
1653 * Assumptions being made about the minimal symbol table:
1654 * 1. lookup_minimal_symbol_by_pc() will return a trampoline only
1655 * if we're really in the trampoline. If we're beyond it (say
1656 * we're in "foo" in the above example), it'll have a closer
1657 * symbol (the "foo" text symbol for example) and will not
1658 * return the trampoline.
1659 * 2. lookup_minimal_symbol_text() will find a real text symbol
1660 * corresponding to the trampoline, and whose address will
1661 * be different than the trampoline address. I put in a sanity
1662 * check for the address being the same, to avoid an
1663 * infinite recursion.
1665 msymbol
= lookup_minimal_symbol_by_pc (pc
);
1666 if (msymbol
!= NULL
)
1667 if (MSYMBOL_TYPE (msymbol
) == mst_solib_trampoline
)
1669 mfunsym
= lookup_minimal_symbol_text (SYMBOL_NAME (msymbol
), NULL
, NULL
);
1670 if (mfunsym
== NULL
)
1671 /* I eliminated this warning since it is coming out
1672 * in the following situation:
1673 * gdb shmain // test program with shared libraries
1674 * (gdb) break shr1 // function in shared lib
1675 * Warning: In stub for ...
1676 * In the above situation, the shared lib is not loaded yet,
1677 * so of course we can't find the real func/line info,
1678 * but the "break" still works, and the warning is annoying.
1679 * So I commented out the warning. RT */
1680 /* warning ("In stub for %s; unable to find real function/line info", SYMBOL_NAME(msymbol)) */ ;
1682 else if (SYMBOL_VALUE (mfunsym
) == SYMBOL_VALUE (msymbol
))
1683 /* Avoid infinite recursion */
1684 /* See above comment about why warning is commented out */
1685 /* warning ("In stub for %s; unable to find real function/line info", SYMBOL_NAME(msymbol)) */ ;
1688 return find_pc_line (SYMBOL_VALUE (mfunsym
), 0);
1692 s
= find_pc_sect_symtab (pc
, section
);
1695 /* if no symbol information, return previous pc */
1702 bv
= BLOCKVECTOR (s
);
1704 /* Look at all the symtabs that share this blockvector.
1705 They all have the same apriori range, that we found was right;
1706 but they have different line tables. */
1708 for (; s
&& BLOCKVECTOR (s
) == bv
; s
= s
->next
)
1710 /* Find the best line in this symtab. */
1717 /* I think len can be zero if the symtab lacks line numbers
1718 (e.g. gcc -g1). (Either that or the LINETABLE is NULL;
1719 I'm not sure which, and maybe it depends on the symbol
1725 item
= l
->item
; /* Get first line info */
1727 /* Is this file's first line closer than the first lines of other files?
1728 If so, record this file, and its first line, as best alternate. */
1729 if (item
->pc
> pc
&& (!alt
|| item
->pc
< alt
->pc
))
1735 for (i
= 0; i
< len
; i
++, item
++)
1737 /* Leave prev pointing to the linetable entry for the last line
1738 that started at or before PC. */
1745 /* At this point, prev points at the line whose start addr is <= pc, and
1746 item points at the next line. If we ran off the end of the linetable
1747 (pc >= start of the last line), then prev == item. If pc < start of
1748 the first line, prev will not be set. */
1750 /* Is this file's best line closer than the best in the other files?
1751 If so, record this file, and its best line, as best so far. */
1753 if (prev
&& (!best
|| prev
->pc
> best
->pc
))
1757 /* If another line is in the linetable, and its PC is closer
1758 than the best_end we currently have, take it as best_end. */
1759 if (i
< len
&& (best_end
== 0 || best_end
> item
->pc
))
1760 best_end
= item
->pc
;
1767 { /* If we didn't find any line # info, just
1773 val
.symtab
= alt_symtab
;
1774 val
.line
= alt
->line
- 1;
1776 /* Don't return line 0, that means that we didn't find the line. */
1780 val
.pc
= BLOCK_END (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
));
1786 val
.symtab
= best_symtab
;
1787 val
.line
= best
->line
;
1789 if (best_end
&& (!alt
|| best_end
< alt
->pc
))
1794 val
.end
= BLOCK_END (BLOCKVECTOR_BLOCK (bv
, GLOBAL_BLOCK
));
1796 val
.section
= section
;
1800 /* Backward compatibility (no section) */
1802 struct symtab_and_line
1803 find_pc_line (CORE_ADDR pc
, int notcurrent
)
1807 section
= find_pc_overlay (pc
);
1808 if (pc_in_unmapped_range (pc
, section
))
1809 pc
= overlay_mapped_address (pc
, section
);
1810 return find_pc_sect_line (pc
, section
, notcurrent
);
1813 /* Find line number LINE in any symtab whose name is the same as
1816 If found, return the symtab that contains the linetable in which it was
1817 found, set *INDEX to the index in the linetable of the best entry
1818 found, and set *EXACT_MATCH nonzero if the value returned is an
1821 If not found, return NULL. */
1824 find_line_symtab (struct symtab
*symtab
, int line
, int *index
, int *exact_match
)
1828 /* BEST_INDEX and BEST_LINETABLE identify the smallest linenumber > LINE
1832 struct linetable
*best_linetable
;
1833 struct symtab
*best_symtab
;
1835 /* First try looking it up in the given symtab. */
1836 best_linetable
= LINETABLE (symtab
);
1837 best_symtab
= symtab
;
1838 best_index
= find_line_common (best_linetable
, line
, &exact
);
1839 if (best_index
< 0 || !exact
)
1841 /* Didn't find an exact match. So we better keep looking for
1842 another symtab with the same name. In the case of xcoff,
1843 multiple csects for one source file (produced by IBM's FORTRAN
1844 compiler) produce multiple symtabs (this is unavoidable
1845 assuming csects can be at arbitrary places in memory and that
1846 the GLOBAL_BLOCK of a symtab has a begin and end address). */
1848 /* BEST is the smallest linenumber > LINE so far seen,
1849 or 0 if none has been seen so far.
1850 BEST_INDEX and BEST_LINETABLE identify the item for it. */
1853 struct objfile
*objfile
;
1856 if (best_index
>= 0)
1857 best
= best_linetable
->item
[best_index
].line
;
1861 ALL_SYMTABS (objfile
, s
)
1863 struct linetable
*l
;
1866 if (!STREQ (symtab
->filename
, s
->filename
))
1869 ind
= find_line_common (l
, line
, &exact
);
1879 if (best
== 0 || l
->item
[ind
].line
< best
)
1881 best
= l
->item
[ind
].line
;
1894 *index
= best_index
;
1896 *exact_match
= exact
;
1901 /* Set the PC value for a given source file and line number and return true.
1902 Returns zero for invalid line number (and sets the PC to 0).
1903 The source file is specified with a struct symtab. */
1906 find_line_pc (struct symtab
*symtab
, int line
, CORE_ADDR
*pc
)
1908 struct linetable
*l
;
1915 symtab
= find_line_symtab (symtab
, line
, &ind
, NULL
);
1918 l
= LINETABLE (symtab
);
1919 *pc
= l
->item
[ind
].pc
;
1926 /* Find the range of pc values in a line.
1927 Store the starting pc of the line into *STARTPTR
1928 and the ending pc (start of next line) into *ENDPTR.
1929 Returns 1 to indicate success.
1930 Returns 0 if could not find the specified line. */
1933 find_line_pc_range (struct symtab_and_line sal
, CORE_ADDR
*startptr
,
1936 CORE_ADDR startaddr
;
1937 struct symtab_and_line found_sal
;
1940 if (startaddr
== 0 && !find_line_pc (sal
.symtab
, sal
.line
, &startaddr
))
1943 /* This whole function is based on address. For example, if line 10 has
1944 two parts, one from 0x100 to 0x200 and one from 0x300 to 0x400, then
1945 "info line *0x123" should say the line goes from 0x100 to 0x200
1946 and "info line *0x355" should say the line goes from 0x300 to 0x400.
1947 This also insures that we never give a range like "starts at 0x134
1948 and ends at 0x12c". */
1950 found_sal
= find_pc_sect_line (startaddr
, sal
.section
, 0);
1951 if (found_sal
.line
!= sal
.line
)
1953 /* The specified line (sal) has zero bytes. */
1954 *startptr
= found_sal
.pc
;
1955 *endptr
= found_sal
.pc
;
1959 *startptr
= found_sal
.pc
;
1960 *endptr
= found_sal
.end
;
1965 /* Given a line table and a line number, return the index into the line
1966 table for the pc of the nearest line whose number is >= the specified one.
1967 Return -1 if none is found. The value is >= 0 if it is an index.
1969 Set *EXACT_MATCH nonzero if the value returned is an exact match. */
1972 find_line_common (register struct linetable
*l
, register int lineno
,
1978 /* BEST is the smallest linenumber > LINENO so far seen,
1979 or 0 if none has been seen so far.
1980 BEST_INDEX identifies the item for it. */
1982 int best_index
= -1;
1991 for (i
= 0; i
< len
; i
++)
1993 register struct linetable_entry
*item
= &(l
->item
[i
]);
1995 if (item
->line
== lineno
)
1997 /* Return the first (lowest address) entry which matches. */
2002 if (item
->line
> lineno
&& (best
== 0 || item
->line
< best
))
2009 /* If we got here, we didn't get an exact match. */
2016 find_pc_line_pc_range (CORE_ADDR pc
, CORE_ADDR
*startptr
, CORE_ADDR
*endptr
)
2018 struct symtab_and_line sal
;
2019 sal
= find_pc_line (pc
, 0);
2022 return sal
.symtab
!= 0;
2025 /* Given a function symbol SYM, find the symtab and line for the start
2027 If the argument FUNFIRSTLINE is nonzero, we want the first line
2028 of real code inside the function. */
2030 struct symtab_and_line
2031 find_function_start_sal (struct symbol
*sym
, int funfirstline
)
2034 struct symtab_and_line sal
;
2036 pc
= BLOCK_START (SYMBOL_BLOCK_VALUE (sym
));
2037 fixup_symbol_section (sym
, NULL
);
2039 { /* skip "first line" of function (which is actually its prologue) */
2040 asection
*section
= SYMBOL_BFD_SECTION (sym
);
2041 /* If function is in an unmapped overlay, use its unmapped LMA
2042 address, so that SKIP_PROLOGUE has something unique to work on */
2043 if (section_is_overlay (section
) &&
2044 !section_is_mapped (section
))
2045 pc
= overlay_unmapped_address (pc
, section
);
2047 pc
+= FUNCTION_START_OFFSET
;
2048 pc
= SKIP_PROLOGUE (pc
);
2050 /* For overlays, map pc back into its mapped VMA range */
2051 pc
= overlay_mapped_address (pc
, section
);
2053 sal
= find_pc_sect_line (pc
, SYMBOL_BFD_SECTION (sym
), 0);
2055 #ifdef PROLOGUE_FIRSTLINE_OVERLAP
2056 /* Convex: no need to suppress code on first line, if any */
2059 /* Check if SKIP_PROLOGUE left us in mid-line, and the next
2060 line is still part of the same function. */
2062 && BLOCK_START (SYMBOL_BLOCK_VALUE (sym
)) <= sal
.end
2063 && sal
.end
< BLOCK_END (SYMBOL_BLOCK_VALUE (sym
)))
2065 /* First pc of next line */
2067 /* Recalculate the line number (might not be N+1). */
2068 sal
= find_pc_sect_line (pc
, SYMBOL_BFD_SECTION (sym
), 0);
2076 /* If P is of the form "operator[ \t]+..." where `...' is
2077 some legitimate operator text, return a pointer to the
2078 beginning of the substring of the operator text.
2079 Otherwise, return "". */
2081 operator_chars (char *p
, char **end
)
2084 if (strncmp (p
, "operator", 8))
2088 /* Don't get faked out by `operator' being part of a longer
2090 if (isalpha (*p
) || *p
== '_' || *p
== '$' || *p
== '\0')
2093 /* Allow some whitespace between `operator' and the operator symbol. */
2094 while (*p
== ' ' || *p
== '\t')
2097 /* Recognize 'operator TYPENAME'. */
2099 if (isalpha (*p
) || *p
== '_' || *p
== '$')
2101 register char *q
= p
+ 1;
2102 while (isalnum (*q
) || *q
== '_' || *q
== '$')
2127 if (p
[1] == '=' || p
[1] == p
[0])
2138 error ("`operator ()' must be specified without whitespace in `()'");
2143 error ("`operator ?:' must be specified without whitespace in `?:'");
2148 error ("`operator []' must be specified without whitespace in `[]'");
2152 error ("`operator %s' not supported", p
);
2160 /* Slave routine for sources_info. Force line breaks at ,'s.
2161 NAME is the name to print and *FIRST is nonzero if this is the first
2162 name printed. Set *FIRST to zero. */
2164 output_source_filename (char *name
, int *first
)
2166 /* Table of files printed so far. Since a single source file can
2167 result in several partial symbol tables, we need to avoid printing
2168 it more than once. Note: if some of the psymtabs are read in and
2169 some are not, it gets printed both under "Source files for which
2170 symbols have been read" and "Source files for which symbols will
2171 be read in on demand". I consider this a reasonable way to deal
2172 with the situation. I'm not sure whether this can also happen for
2173 symtabs; it doesn't hurt to check. */
2174 static char **tab
= NULL
;
2175 /* Allocated size of tab in elements.
2176 Start with one 256-byte block (when using GNU malloc.c).
2177 24 is the malloc overhead when range checking is in effect. */
2178 static int tab_alloc_size
= (256 - 24) / sizeof (char *);
2179 /* Current size of tab in elements. */
2180 static int tab_cur_size
;
2187 tab
= (char **) xmalloc (tab_alloc_size
* sizeof (*tab
));
2191 /* Is NAME in tab? */
2192 for (p
= tab
; p
< tab
+ tab_cur_size
; p
++)
2193 if (STREQ (*p
, name
))
2194 /* Yes; don't print it again. */
2196 /* No; add it to tab. */
2197 if (tab_cur_size
== tab_alloc_size
)
2199 tab_alloc_size
*= 2;
2200 tab
= (char **) xrealloc ((char *) tab
, tab_alloc_size
* sizeof (*tab
));
2202 tab
[tab_cur_size
++] = name
;
2210 printf_filtered (", ");
2214 fputs_filtered (name
, gdb_stdout
);
2218 sources_info (char *ignore
, int from_tty
)
2220 register struct symtab
*s
;
2221 register struct partial_symtab
*ps
;
2222 register struct objfile
*objfile
;
2225 if (!have_full_symbols () && !have_partial_symbols ())
2227 error ("No symbol table is loaded. Use the \"file\" command.");
2230 printf_filtered ("Source files for which symbols have been read in:\n\n");
2233 ALL_SYMTABS (objfile
, s
)
2235 output_source_filename (s
->filename
, &first
);
2237 printf_filtered ("\n\n");
2239 printf_filtered ("Source files for which symbols will be read in on demand:\n\n");
2242 ALL_PSYMTABS (objfile
, ps
)
2246 output_source_filename (ps
->filename
, &first
);
2249 printf_filtered ("\n");
2253 file_matches (char *file
, char *files
[], int nfiles
)
2257 if (file
!= NULL
&& nfiles
!= 0)
2259 for (i
= 0; i
< nfiles
; i
++)
2261 if (strcmp (files
[i
], basename (file
)) == 0)
2265 else if (nfiles
== 0)
2270 /* Free any memory associated with a search. */
2272 free_search_symbols (struct symbol_search
*symbols
)
2274 struct symbol_search
*p
;
2275 struct symbol_search
*next
;
2277 for (p
= symbols
; p
!= NULL
; p
= next
)
2285 do_free_search_symbols_cleanup (void *symbols
)
2287 free_search_symbols (symbols
);
2291 make_cleanup_free_search_symbols (struct symbol_search
*symbols
)
2293 return make_cleanup (do_free_search_symbols_cleanup
, symbols
);
2297 /* Search the symbol table for matches to the regular expression REGEXP,
2298 returning the results in *MATCHES.
2300 Only symbols of KIND are searched:
2301 FUNCTIONS_NAMESPACE - search all functions
2302 TYPES_NAMESPACE - search all type names
2303 METHODS_NAMESPACE - search all methods NOT IMPLEMENTED
2304 VARIABLES_NAMESPACE - search all symbols, excluding functions, type names,
2305 and constants (enums)
2307 free_search_symbols should be called when *MATCHES is no longer needed.
2310 search_symbols (char *regexp
, namespace_enum kind
, int nfiles
, char *files
[],
2311 struct symbol_search
**matches
)
2313 register struct symtab
*s
;
2314 register struct partial_symtab
*ps
;
2315 register struct blockvector
*bv
;
2316 struct blockvector
*prev_bv
= 0;
2317 register struct block
*b
;
2320 register struct symbol
*sym
;
2321 struct partial_symbol
**psym
;
2322 struct objfile
*objfile
;
2323 struct minimal_symbol
*msymbol
;
2326 static enum minimal_symbol_type types
[]
2328 {mst_data
, mst_text
, mst_abs
, mst_unknown
};
2329 static enum minimal_symbol_type types2
[]
2331 {mst_bss
, mst_file_text
, mst_abs
, mst_unknown
};
2332 static enum minimal_symbol_type types3
[]
2334 {mst_file_data
, mst_solib_trampoline
, mst_abs
, mst_unknown
};
2335 static enum minimal_symbol_type types4
[]
2337 {mst_file_bss
, mst_text
, mst_abs
, mst_unknown
};
2338 enum minimal_symbol_type ourtype
;
2339 enum minimal_symbol_type ourtype2
;
2340 enum minimal_symbol_type ourtype3
;
2341 enum minimal_symbol_type ourtype4
;
2342 struct symbol_search
*sr
;
2343 struct symbol_search
*psr
;
2344 struct symbol_search
*tail
;
2345 struct cleanup
*old_chain
= NULL
;
2347 if (kind
< LABEL_NAMESPACE
)
2348 error ("must search on specific namespace");
2350 ourtype
= types
[(int) (kind
- VARIABLES_NAMESPACE
)];
2351 ourtype2
= types2
[(int) (kind
- VARIABLES_NAMESPACE
)];
2352 ourtype3
= types3
[(int) (kind
- VARIABLES_NAMESPACE
)];
2353 ourtype4
= types4
[(int) (kind
- VARIABLES_NAMESPACE
)];
2355 sr
= *matches
= NULL
;
2360 /* Make sure spacing is right for C++ operators.
2361 This is just a courtesy to make the matching less sensitive
2362 to how many spaces the user leaves between 'operator'
2363 and <TYPENAME> or <OPERATOR>. */
2365 char *opname
= operator_chars (regexp
, &opend
);
2368 int fix
= -1; /* -1 means ok; otherwise number of spaces needed. */
2369 if (isalpha (*opname
) || *opname
== '_' || *opname
== '$')
2371 /* There should 1 space between 'operator' and 'TYPENAME'. */
2372 if (opname
[-1] != ' ' || opname
[-2] == ' ')
2377 /* There should 0 spaces between 'operator' and 'OPERATOR'. */
2378 if (opname
[-1] == ' ')
2381 /* If wrong number of spaces, fix it. */
2384 char *tmp
= (char *) alloca (opend
- opname
+ 10);
2385 sprintf (tmp
, "operator%.*s%s", fix
, " ", opname
);
2390 if (0 != (val
= re_comp (regexp
)))
2391 error ("Invalid regexp (%s): %s", val
, regexp
);
2394 /* Search through the partial symtabs *first* for all symbols
2395 matching the regexp. That way we don't have to reproduce all of
2396 the machinery below. */
2398 ALL_PSYMTABS (objfile
, ps
)
2400 struct partial_symbol
**bound
, **gbound
, **sbound
;
2406 gbound
= objfile
->global_psymbols
.list
+ ps
->globals_offset
+ ps
->n_global_syms
;
2407 sbound
= objfile
->static_psymbols
.list
+ ps
->statics_offset
+ ps
->n_static_syms
;
2410 /* Go through all of the symbols stored in a partial
2411 symtab in one loop. */
2412 psym
= objfile
->global_psymbols
.list
+ ps
->globals_offset
;
2417 if (bound
== gbound
&& ps
->n_static_syms
!= 0)
2419 psym
= objfile
->static_psymbols
.list
+ ps
->statics_offset
;
2430 /* If it would match (logic taken from loop below)
2431 load the file and go on to the next one */
2432 if (file_matches (ps
->filename
, files
, nfiles
)
2433 && ((regexp
== NULL
|| SYMBOL_MATCHES_REGEXP (*psym
))
2434 && ((kind
== VARIABLES_NAMESPACE
&& SYMBOL_CLASS (*psym
) != LOC_TYPEDEF
2435 && SYMBOL_CLASS (*psym
) != LOC_BLOCK
)
2436 || (kind
== FUNCTIONS_NAMESPACE
&& SYMBOL_CLASS (*psym
) == LOC_BLOCK
)
2437 || (kind
== TYPES_NAMESPACE
&& SYMBOL_CLASS (*psym
) == LOC_TYPEDEF
)
2438 || (kind
== METHODS_NAMESPACE
&& SYMBOL_CLASS (*psym
) == LOC_BLOCK
))))
2440 PSYMTAB_TO_SYMTAB (ps
);
2448 /* Here, we search through the minimal symbol tables for functions
2449 and variables that match, and force their symbols to be read.
2450 This is in particular necessary for demangled variable names,
2451 which are no longer put into the partial symbol tables.
2452 The symbol will then be found during the scan of symtabs below.
2454 For functions, find_pc_symtab should succeed if we have debug info
2455 for the function, for variables we have to call lookup_symbol
2456 to determine if the variable has debug info.
2457 If the lookup fails, set found_misc so that we will rescan to print
2458 any matching symbols without debug info.
2461 if (nfiles
== 0 && (kind
== VARIABLES_NAMESPACE
|| kind
== FUNCTIONS_NAMESPACE
))
2463 ALL_MSYMBOLS (objfile
, msymbol
)
2465 if (MSYMBOL_TYPE (msymbol
) == ourtype
||
2466 MSYMBOL_TYPE (msymbol
) == ourtype2
||
2467 MSYMBOL_TYPE (msymbol
) == ourtype3
||
2468 MSYMBOL_TYPE (msymbol
) == ourtype4
)
2470 if (regexp
== NULL
|| SYMBOL_MATCHES_REGEXP (msymbol
))
2472 if (0 == find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol
)))
2474 if (kind
== FUNCTIONS_NAMESPACE
2475 || lookup_symbol (SYMBOL_NAME (msymbol
),
2476 (struct block
*) NULL
,
2478 0, (struct symtab
**) NULL
) == NULL
)
2486 ALL_SYMTABS (objfile
, s
)
2488 bv
= BLOCKVECTOR (s
);
2489 /* Often many files share a blockvector.
2490 Scan each blockvector only once so that
2491 we don't get every symbol many times.
2492 It happens that the first symtab in the list
2493 for any given blockvector is the main file. */
2495 for (i
= GLOBAL_BLOCK
; i
<= STATIC_BLOCK
; i
++)
2497 b
= BLOCKVECTOR_BLOCK (bv
, i
);
2498 /* Skip the sort if this block is always sorted. */
2499 if (!BLOCK_SHOULD_SORT (b
))
2500 sort_block_syms (b
);
2501 for (j
= 0; j
< BLOCK_NSYMS (b
); j
++)
2504 sym
= BLOCK_SYM (b
, j
);
2505 if (file_matches (s
->filename
, files
, nfiles
)
2506 && ((regexp
== NULL
|| SYMBOL_MATCHES_REGEXP (sym
))
2507 && ((kind
== VARIABLES_NAMESPACE
&& SYMBOL_CLASS (sym
) != LOC_TYPEDEF
2508 && SYMBOL_CLASS (sym
) != LOC_BLOCK
2509 && SYMBOL_CLASS (sym
) != LOC_CONST
)
2510 || (kind
== FUNCTIONS_NAMESPACE
&& SYMBOL_CLASS (sym
) == LOC_BLOCK
)
2511 || (kind
== TYPES_NAMESPACE
&& SYMBOL_CLASS (sym
) == LOC_TYPEDEF
)
2512 || (kind
== METHODS_NAMESPACE
&& SYMBOL_CLASS (sym
) == LOC_BLOCK
))))
2515 psr
= (struct symbol_search
*) xmalloc (sizeof (struct symbol_search
));
2519 psr
->msymbol
= NULL
;
2524 old_chain
= make_cleanup_free_search_symbols (sr
);
2535 /* If there are no eyes, avoid all contact. I mean, if there are
2536 no debug symbols, then print directly from the msymbol_vector. */
2538 if (found_misc
|| kind
!= FUNCTIONS_NAMESPACE
)
2540 ALL_MSYMBOLS (objfile
, msymbol
)
2542 if (MSYMBOL_TYPE (msymbol
) == ourtype
||
2543 MSYMBOL_TYPE (msymbol
) == ourtype2
||
2544 MSYMBOL_TYPE (msymbol
) == ourtype3
||
2545 MSYMBOL_TYPE (msymbol
) == ourtype4
)
2547 if (regexp
== NULL
|| SYMBOL_MATCHES_REGEXP (msymbol
))
2549 /* Functions: Look up by address. */
2550 if (kind
!= FUNCTIONS_NAMESPACE
||
2551 (0 == find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol
))))
2553 /* Variables/Absolutes: Look up by name */
2554 if (lookup_symbol (SYMBOL_NAME (msymbol
),
2555 (struct block
*) NULL
, VAR_NAMESPACE
,
2556 0, (struct symtab
**) NULL
) == NULL
)
2559 psr
= (struct symbol_search
*) xmalloc (sizeof (struct symbol_search
));
2561 psr
->msymbol
= msymbol
;
2568 old_chain
= make_cleanup_free_search_symbols (sr
);
2582 discard_cleanups (old_chain
);
2585 /* Helper function for symtab_symbol_info, this function uses
2586 the data returned from search_symbols() to print information
2587 regarding the match to gdb_stdout.
2590 print_symbol_info (namespace_enum kind
, struct symtab
*s
, struct symbol
*sym
,
2591 int block
, char *last
)
2593 if (last
== NULL
|| strcmp (last
, s
->filename
) != 0)
2595 fputs_filtered ("\nFile ", gdb_stdout
);
2596 fputs_filtered (s
->filename
, gdb_stdout
);
2597 fputs_filtered (":\n", gdb_stdout
);
2600 if (kind
!= TYPES_NAMESPACE
&& block
== STATIC_BLOCK
)
2601 printf_filtered ("static ");
2603 /* Typedef that is not a C++ class */
2604 if (kind
== TYPES_NAMESPACE
2605 && SYMBOL_NAMESPACE (sym
) != STRUCT_NAMESPACE
)
2606 typedef_print (SYMBOL_TYPE (sym
), sym
, gdb_stdout
);
2607 /* variable, func, or typedef-that-is-c++-class */
2608 else if (kind
< TYPES_NAMESPACE
||
2609 (kind
== TYPES_NAMESPACE
&&
2610 SYMBOL_NAMESPACE (sym
) == STRUCT_NAMESPACE
))
2612 type_print (SYMBOL_TYPE (sym
),
2613 (SYMBOL_CLASS (sym
) == LOC_TYPEDEF
2614 ? "" : SYMBOL_SOURCE_NAME (sym
)),
2617 printf_filtered (";\n");
2622 /* Tiemann says: "info methods was never implemented." */
2623 char *demangled_name
;
2624 c_type_print_base (TYPE_FN_FIELD_TYPE (t
, block
),
2626 c_type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (t
, block
),
2628 if (TYPE_FN_FIELD_STUB (t
, block
))
2629 check_stub_method (TYPE_DOMAIN_TYPE (type
), j
, block
);
2631 cplus_demangle (TYPE_FN_FIELD_PHYSNAME (t
, block
),
2632 DMGL_ANSI
| DMGL_PARAMS
);
2633 if (demangled_name
== NULL
)
2634 fprintf_filtered (stream
, "<badly mangled name %s>",
2635 TYPE_FN_FIELD_PHYSNAME (t
, block
));
2638 fputs_filtered (demangled_name
, stream
);
2639 free (demangled_name
);
2645 /* This help function for symtab_symbol_info() prints information
2646 for non-debugging symbols to gdb_stdout.
2649 print_msymbol_info (struct minimal_symbol
*msymbol
)
2651 printf_filtered (" %08lx %s\n",
2652 (unsigned long) SYMBOL_VALUE_ADDRESS (msymbol
),
2653 SYMBOL_SOURCE_NAME (msymbol
));
2656 /* This is the guts of the commands "info functions", "info types", and
2657 "info variables". It calls search_symbols to find all matches and then
2658 print_[m]symbol_info to print out some useful information about the
2662 symtab_symbol_info (char *regexp
, namespace_enum kind
, int from_tty
)
2664 static char *classnames
[]
2666 {"variable", "function", "type", "method"};
2667 struct symbol_search
*symbols
;
2668 struct symbol_search
*p
;
2669 struct cleanup
*old_chain
;
2670 char *last_filename
= NULL
;
2673 /* must make sure that if we're interrupted, symbols gets freed */
2674 search_symbols (regexp
, kind
, 0, (char **) NULL
, &symbols
);
2675 old_chain
= make_cleanup_free_search_symbols (symbols
);
2677 printf_filtered (regexp
2678 ? "All %ss matching regular expression \"%s\":\n"
2679 : "All defined %ss:\n",
2680 classnames
[(int) (kind
- VARIABLES_NAMESPACE
)], regexp
);
2682 for (p
= symbols
; p
!= NULL
; p
= p
->next
)
2686 if (p
->msymbol
!= NULL
)
2690 printf_filtered ("\nNon-debugging symbols:\n");
2693 print_msymbol_info (p
->msymbol
);
2697 print_symbol_info (kind
,
2702 last_filename
= p
->symtab
->filename
;
2706 do_cleanups (old_chain
);
2710 variables_info (char *regexp
, int from_tty
)
2712 symtab_symbol_info (regexp
, VARIABLES_NAMESPACE
, from_tty
);
2716 functions_info (char *regexp
, int from_tty
)
2718 symtab_symbol_info (regexp
, FUNCTIONS_NAMESPACE
, from_tty
);
2723 types_info (char *regexp
, int from_tty
)
2725 symtab_symbol_info (regexp
, TYPES_NAMESPACE
, from_tty
);
2729 /* Tiemann says: "info methods was never implemented." */
2731 methods_info (char *regexp
)
2733 symtab_symbol_info (regexp
, METHODS_NAMESPACE
, 0, from_tty
);
2737 /* Breakpoint all functions matching regular expression. */
2740 rbreak_command_wrapper (char *regexp
, int from_tty
)
2742 rbreak_command (regexp
, from_tty
);
2746 rbreak_command (char *regexp
, int from_tty
)
2748 struct symbol_search
*ss
;
2749 struct symbol_search
*p
;
2750 struct cleanup
*old_chain
;
2752 search_symbols (regexp
, FUNCTIONS_NAMESPACE
, 0, (char **) NULL
, &ss
);
2753 old_chain
= make_cleanup_free_search_symbols (ss
);
2755 for (p
= ss
; p
!= NULL
; p
= p
->next
)
2757 if (p
->msymbol
== NULL
)
2759 char *string
= (char *) alloca (strlen (p
->symtab
->filename
)
2760 + strlen (SYMBOL_NAME (p
->symbol
))
2762 strcpy (string
, p
->symtab
->filename
);
2763 strcat (string
, ":'");
2764 strcat (string
, SYMBOL_NAME (p
->symbol
));
2765 strcat (string
, "'");
2766 break_command (string
, from_tty
);
2767 print_symbol_info (FUNCTIONS_NAMESPACE
,
2771 p
->symtab
->filename
);
2775 break_command (SYMBOL_NAME (p
->msymbol
), from_tty
);
2776 printf_filtered ("<function, no debug info> %s;\n",
2777 SYMBOL_SOURCE_NAME (p
->msymbol
));
2781 do_cleanups (old_chain
);
2785 /* Return Nonzero if block a is lexically nested within block b,
2786 or if a and b have the same pc range.
2787 Return zero otherwise. */
2789 contained_in (struct block
*a
, struct block
*b
)
2793 return BLOCK_START (a
) >= BLOCK_START (b
)
2794 && BLOCK_END (a
) <= BLOCK_END (b
);
2798 /* Helper routine for make_symbol_completion_list. */
2800 static int return_val_size
;
2801 static int return_val_index
;
2802 static char **return_val
;
2804 #define COMPLETION_LIST_ADD_SYMBOL(symbol, sym_text, len, text, word) \
2806 if (SYMBOL_DEMANGLED_NAME (symbol) != NULL) \
2807 /* Put only the mangled name on the list. */ \
2808 /* Advantage: "b foo<TAB>" completes to "b foo(int, int)" */ \
2809 /* Disadvantage: "b foo__i<TAB>" doesn't complete. */ \
2810 completion_list_add_name \
2811 (SYMBOL_DEMANGLED_NAME (symbol), (sym_text), (len), (text), (word)); \
2813 completion_list_add_name \
2814 (SYMBOL_NAME (symbol), (sym_text), (len), (text), (word)); \
2817 /* Test to see if the symbol specified by SYMNAME (which is already
2818 demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN
2819 characters. If so, add it to the current completion list. */
2822 completion_list_add_name (char *symname
, char *sym_text
, int sym_text_len
,
2823 char *text
, char *word
)
2828 /* clip symbols that cannot match */
2830 if (strncmp (symname
, sym_text
, sym_text_len
) != 0)
2835 /* Clip any symbol names that we've already considered. (This is a
2836 time optimization) */
2838 for (i
= 0; i
< return_val_index
; ++i
)
2840 if (STREQ (symname
, return_val
[i
]))
2846 /* We have a match for a completion, so add SYMNAME to the current list
2847 of matches. Note that the name is moved to freshly malloc'd space. */
2851 if (word
== sym_text
)
2853 new = xmalloc (strlen (symname
) + 5);
2854 strcpy (new, symname
);
2856 else if (word
> sym_text
)
2858 /* Return some portion of symname. */
2859 new = xmalloc (strlen (symname
) + 5);
2860 strcpy (new, symname
+ (word
- sym_text
));
2864 /* Return some of SYM_TEXT plus symname. */
2865 new = xmalloc (strlen (symname
) + (sym_text
- word
) + 5);
2866 strncpy (new, word
, sym_text
- word
);
2867 new[sym_text
- word
] = '\0';
2868 strcat (new, symname
);
2871 /* Recheck for duplicates if we intend to add a modified symbol. */
2872 if (word
!= sym_text
)
2874 for (i
= 0; i
< return_val_index
; ++i
)
2876 if (STREQ (new, return_val
[i
]))
2884 if (return_val_index
+ 3 > return_val_size
)
2886 newsize
= (return_val_size
*= 2) * sizeof (char *);
2887 return_val
= (char **) xrealloc ((char *) return_val
, newsize
);
2889 return_val
[return_val_index
++] = new;
2890 return_val
[return_val_index
] = NULL
;
2894 /* Return a NULL terminated array of all symbols (regardless of class) which
2895 begin by matching TEXT. If the answer is no symbols, then the return value
2896 is an array which contains only a NULL pointer.
2898 Problem: All of the symbols have to be copied because readline frees them.
2899 I'm not going to worry about this; hopefully there won't be that many. */
2902 make_symbol_completion_list (char *text
, char *word
)
2904 register struct symbol
*sym
;
2905 register struct symtab
*s
;
2906 register struct partial_symtab
*ps
;
2907 register struct minimal_symbol
*msymbol
;
2908 register struct objfile
*objfile
;
2909 register struct block
*b
, *surrounding_static_block
= 0;
2911 struct partial_symbol
**psym
;
2912 /* The symbol we are completing on. Points in same buffer as text. */
2914 /* Length of sym_text. */
2917 /* Now look for the symbol we are supposed to complete on.
2918 FIXME: This should be language-specific. */
2922 char *quote_pos
= NULL
;
2924 /* First see if this is a quoted string. */
2926 for (p
= text
; *p
!= '\0'; ++p
)
2928 if (quote_found
!= '\0')
2930 if (*p
== quote_found
)
2931 /* Found close quote. */
2933 else if (*p
== '\\' && p
[1] == quote_found
)
2934 /* A backslash followed by the quote character
2935 doesn't end the string. */
2938 else if (*p
== '\'' || *p
== '"')
2944 if (quote_found
== '\'')
2945 /* A string within single quotes can be a symbol, so complete on it. */
2946 sym_text
= quote_pos
+ 1;
2947 else if (quote_found
== '"')
2948 /* A double-quoted string is never a symbol, nor does it make sense
2949 to complete it any other way. */
2953 /* It is not a quoted string. Break it based on the characters
2954 which are in symbols. */
2957 if (isalnum (p
[-1]) || p
[-1] == '_' || p
[-1] == '\0')
2966 sym_text_len
= strlen (sym_text
);
2968 return_val_size
= 100;
2969 return_val_index
= 0;
2970 return_val
= (char **) xmalloc ((return_val_size
+ 1) * sizeof (char *));
2971 return_val
[0] = NULL
;
2973 /* Look through the partial symtabs for all symbols which begin
2974 by matching SYM_TEXT. Add each one that you find to the list. */
2976 ALL_PSYMTABS (objfile
, ps
)
2978 /* If the psymtab's been read in we'll get it when we search
2979 through the blockvector. */
2983 for (psym
= objfile
->global_psymbols
.list
+ ps
->globals_offset
;
2984 psym
< (objfile
->global_psymbols
.list
+ ps
->globals_offset
2985 + ps
->n_global_syms
);
2988 /* If interrupted, then quit. */
2990 COMPLETION_LIST_ADD_SYMBOL (*psym
, sym_text
, sym_text_len
, text
, word
);
2993 for (psym
= objfile
->static_psymbols
.list
+ ps
->statics_offset
;
2994 psym
< (objfile
->static_psymbols
.list
+ ps
->statics_offset
2995 + ps
->n_static_syms
);
2999 COMPLETION_LIST_ADD_SYMBOL (*psym
, sym_text
, sym_text_len
, text
, word
);
3003 /* At this point scan through the misc symbol vectors and add each
3004 symbol you find to the list. Eventually we want to ignore
3005 anything that isn't a text symbol (everything else will be
3006 handled by the psymtab code above). */
3008 ALL_MSYMBOLS (objfile
, msymbol
)
3011 COMPLETION_LIST_ADD_SYMBOL (msymbol
, sym_text
, sym_text_len
, text
, word
);
3014 /* Search upwards from currently selected frame (so that we can
3015 complete on local vars. */
3017 for (b
= get_selected_block (); b
!= NULL
; b
= BLOCK_SUPERBLOCK (b
))
3019 if (!BLOCK_SUPERBLOCK (b
))
3021 surrounding_static_block
= b
; /* For elmin of dups */
3024 /* Also catch fields of types defined in this places which match our
3025 text string. Only complete on types visible from current context. */
3027 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3029 sym
= BLOCK_SYM (b
, i
);
3030 COMPLETION_LIST_ADD_SYMBOL (sym
, sym_text
, sym_text_len
, text
, word
);
3031 if (SYMBOL_CLASS (sym
) == LOC_TYPEDEF
)
3033 struct type
*t
= SYMBOL_TYPE (sym
);
3034 enum type_code c
= TYPE_CODE (t
);
3036 if (c
== TYPE_CODE_UNION
|| c
== TYPE_CODE_STRUCT
)
3038 for (j
= TYPE_N_BASECLASSES (t
); j
< TYPE_NFIELDS (t
); j
++)
3040 if (TYPE_FIELD_NAME (t
, j
))
3042 completion_list_add_name (TYPE_FIELD_NAME (t
, j
),
3043 sym_text
, sym_text_len
, text
, word
);
3051 /* Go through the symtabs and check the externs and statics for
3052 symbols which match. */
3054 ALL_SYMTABS (objfile
, s
)
3057 b
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), GLOBAL_BLOCK
);
3058 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3060 sym
= BLOCK_SYM (b
, i
);
3061 COMPLETION_LIST_ADD_SYMBOL (sym
, sym_text
, sym_text_len
, text
, word
);
3065 ALL_SYMTABS (objfile
, s
)
3068 b
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), STATIC_BLOCK
);
3069 /* Don't do this block twice. */
3070 if (b
== surrounding_static_block
)
3072 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3074 sym
= BLOCK_SYM (b
, i
);
3075 COMPLETION_LIST_ADD_SYMBOL (sym
, sym_text
, sym_text_len
, text
, word
);
3079 return (return_val
);
3082 /* Determine if PC is in the prologue of a function. The prologue is the area
3083 between the first instruction of a function, and the first executable line.
3084 Returns 1 if PC *might* be in prologue, 0 if definately *not* in prologue.
3086 If non-zero, func_start is where we think the prologue starts, possibly
3087 by previous examination of symbol table information.
3091 in_prologue (CORE_ADDR pc
, CORE_ADDR func_start
)
3093 struct symtab_and_line sal
;
3094 CORE_ADDR func_addr
, func_end
;
3096 /* We have several sources of information we can consult to figure
3098 - Compilers usually emit line number info that marks the prologue
3099 as its own "source line". So the ending address of that "line"
3100 is the end of the prologue. If available, this is the most
3102 - The minimal symbols and partial symbols, which can usually tell
3103 us the starting and ending addresses of a function.
3104 - If we know the function's start address, we can call the
3105 architecture-defined SKIP_PROLOGUE function to analyze the
3106 instruction stream and guess where the prologue ends.
3107 - Our `func_start' argument; if non-zero, this is the caller's
3108 best guess as to the function's entry point. At the time of
3109 this writing, handle_inferior_event doesn't get this right, so
3110 it should be our last resort. */
3112 /* Consult the partial symbol table, to find which function
3114 if (! find_pc_partial_function (pc
, NULL
, &func_addr
, &func_end
))
3116 CORE_ADDR prologue_end
;
3118 /* We don't even have minsym information, so fall back to using
3119 func_start, if given. */
3121 return 1; /* We *might* be in a prologue. */
3123 prologue_end
= SKIP_PROLOGUE (func_start
);
3125 return func_start
<= pc
&& pc
< prologue_end
;
3128 /* If we have line number information for the function, that's
3129 usually pretty reliable. */
3130 sal
= find_pc_line (func_addr
, 0);
3132 /* Now sal describes the source line at the function's entry point,
3133 which (by convention) is the prologue. The end of that "line",
3134 sal.end, is the end of the prologue.
3136 Note that, for functions whose source code is all on a single
3137 line, the line number information doesn't always end up this way.
3138 So we must verify that our purported end-of-prologue address is
3139 *within* the function, not at its start or end. */
3141 || sal
.end
<= func_addr
3142 || func_end
<= sal
.end
)
3144 /* We don't have any good line number info, so use the minsym
3145 information, together with the architecture-specific prologue
3147 CORE_ADDR prologue_end
= SKIP_PROLOGUE (func_addr
);
3149 return func_addr
<= pc
&& pc
< prologue_end
;
3152 /* We have line number info, and it looks good. */
3153 return func_addr
<= pc
&& pc
< sal
.end
;
3157 /* Begin overload resolution functions */
3158 /* Helper routine for make_symbol_completion_list. */
3160 static int sym_return_val_size
;
3161 static int sym_return_val_index
;
3162 static struct symbol
**sym_return_val
;
3164 /* Test to see if the symbol specified by SYMNAME (which is already
3165 demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN
3166 characters. If so, add it to the current completion list. */
3169 overload_list_add_symbol (struct symbol
*sym
, char *oload_name
)
3174 /* Get the demangled name without parameters */
3175 char *sym_name
= cplus_demangle (SYMBOL_NAME (sym
), DMGL_ARM
| DMGL_ANSI
);
3178 sym_name
= (char *) xmalloc (strlen (SYMBOL_NAME (sym
)) + 1);
3179 strcpy (sym_name
, SYMBOL_NAME (sym
));
3182 /* skip symbols that cannot match */
3183 if (strcmp (sym_name
, oload_name
) != 0)
3189 /* If there is no type information, we can't do anything, so skip */
3190 if (SYMBOL_TYPE (sym
) == NULL
)
3193 /* skip any symbols that we've already considered. */
3194 for (i
= 0; i
< sym_return_val_index
; ++i
)
3195 if (!strcmp (SYMBOL_NAME (sym
), SYMBOL_NAME (sym_return_val
[i
])))
3198 /* We have a match for an overload instance, so add SYM to the current list
3199 * of overload instances */
3200 if (sym_return_val_index
+ 3 > sym_return_val_size
)
3202 newsize
= (sym_return_val_size
*= 2) * sizeof (struct symbol
*);
3203 sym_return_val
= (struct symbol
**) xrealloc ((char *) sym_return_val
, newsize
);
3205 sym_return_val
[sym_return_val_index
++] = sym
;
3206 sym_return_val
[sym_return_val_index
] = NULL
;
3211 /* Return a null-terminated list of pointers to function symbols that
3212 * match name of the supplied symbol FSYM.
3213 * This is used in finding all overloaded instances of a function name.
3214 * This has been modified from make_symbol_completion_list. */
3218 make_symbol_overload_list (struct symbol
*fsym
)
3220 register struct symbol
*sym
;
3221 register struct symtab
*s
;
3222 register struct partial_symtab
*ps
;
3223 register struct objfile
*objfile
;
3224 register struct block
*b
, *surrounding_static_block
= 0;
3226 /* The name we are completing on. */
3227 char *oload_name
= NULL
;
3228 /* Length of name. */
3229 int oload_name_len
= 0;
3231 /* Look for the symbol we are supposed to complete on.
3232 * FIXME: This should be language-specific. */
3234 oload_name
= cplus_demangle (SYMBOL_NAME (fsym
), DMGL_ARM
| DMGL_ANSI
);
3237 oload_name
= (char *) xmalloc (strlen (SYMBOL_NAME (fsym
)) + 1);
3238 strcpy (oload_name
, SYMBOL_NAME (fsym
));
3240 oload_name_len
= strlen (oload_name
);
3242 sym_return_val_size
= 100;
3243 sym_return_val_index
= 0;
3244 sym_return_val
= (struct symbol
**) xmalloc ((sym_return_val_size
+ 1) * sizeof (struct symbol
*));
3245 sym_return_val
[0] = NULL
;
3247 /* Look through the partial symtabs for all symbols which begin
3248 by matching OLOAD_NAME. Make sure we read that symbol table in. */
3250 ALL_PSYMTABS (objfile
, ps
)
3252 struct partial_symbol
**psym
;
3254 /* If the psymtab's been read in we'll get it when we search
3255 through the blockvector. */
3259 for (psym
= objfile
->global_psymbols
.list
+ ps
->globals_offset
;
3260 psym
< (objfile
->global_psymbols
.list
+ ps
->globals_offset
3261 + ps
->n_global_syms
);
3264 /* If interrupted, then quit. */
3266 /* This will cause the symbol table to be read if it has not yet been */
3267 s
= PSYMTAB_TO_SYMTAB (ps
);
3270 for (psym
= objfile
->static_psymbols
.list
+ ps
->statics_offset
;
3271 psym
< (objfile
->static_psymbols
.list
+ ps
->statics_offset
3272 + ps
->n_static_syms
);
3276 /* This will cause the symbol table to be read if it has not yet been */
3277 s
= PSYMTAB_TO_SYMTAB (ps
);
3281 /* Search upwards from currently selected frame (so that we can
3282 complete on local vars. */
3284 for (b
= get_selected_block (); b
!= NULL
; b
= BLOCK_SUPERBLOCK (b
))
3286 if (!BLOCK_SUPERBLOCK (b
))
3288 surrounding_static_block
= b
; /* For elimination of dups */
3291 /* Also catch fields of types defined in this places which match our
3292 text string. Only complete on types visible from current context. */
3294 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3296 sym
= BLOCK_SYM (b
, i
);
3297 overload_list_add_symbol (sym
, oload_name
);
3301 /* Go through the symtabs and check the externs and statics for
3302 symbols which match. */
3304 ALL_SYMTABS (objfile
, s
)
3307 b
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), GLOBAL_BLOCK
);
3308 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3310 sym
= BLOCK_SYM (b
, i
);
3311 overload_list_add_symbol (sym
, oload_name
);
3315 ALL_SYMTABS (objfile
, s
)
3318 b
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (s
), STATIC_BLOCK
);
3319 /* Don't do this block twice. */
3320 if (b
== surrounding_static_block
)
3322 for (i
= 0; i
< BLOCK_NSYMS (b
); i
++)
3324 sym
= BLOCK_SYM (b
, i
);
3325 overload_list_add_symbol (sym
, oload_name
);
3331 return (sym_return_val
);
3334 /* End of overload resolution functions */
3336 struct symtabs_and_lines
3337 decode_line_spec (char *string
, int funfirstline
)
3339 struct symtabs_and_lines sals
;
3341 error ("Empty line specification.");
3342 sals
= decode_line_1 (&string
, funfirstline
,
3343 current_source_symtab
, current_source_line
,
3346 error ("Junk at end of line specification: %s", string
);
3351 _initialize_symtab (void)
3353 add_info ("variables", variables_info
,
3354 "All global and static variable names, or those matching REGEXP.");
3356 add_com ("whereis", class_info
, variables_info
,
3357 "All global and static variable names, or those matching REGEXP.");
3359 add_info ("functions", functions_info
,
3360 "All function names, or those matching REGEXP.");
3363 /* FIXME: This command has at least the following problems:
3364 1. It prints builtin types (in a very strange and confusing fashion).
3365 2. It doesn't print right, e.g. with
3366 typedef struct foo *FOO
3367 type_print prints "FOO" when we want to make it (in this situation)
3368 print "struct foo *".
3369 I also think "ptype" or "whatis" is more likely to be useful (but if
3370 there is much disagreement "info types" can be fixed). */
3371 add_info ("types", types_info
,
3372 "All type names, or those matching REGEXP.");
3375 add_info ("methods", methods_info
,
3376 "All method names, or those matching REGEXP::REGEXP.\n\
3377 If the class qualifier is omitted, it is assumed to be the current scope.\n\
3378 If the first REGEXP is omitted, then all methods matching the second REGEXP\n\
3381 add_info ("sources", sources_info
,
3382 "Source files in the program.");
3384 add_com ("rbreak", class_breakpoint
, rbreak_command
,
3385 "Set a breakpoint for all functions matching REGEXP.");
3389 add_com ("lf", class_info
, sources_info
, "Source files in the program");
3390 add_com ("lg", class_info
, variables_info
,
3391 "All global and static variable names, or those matching REGEXP.");
3394 /* Initialize the one built-in type that isn't language dependent... */
3395 builtin_type_error
= init_type (TYPE_CODE_ERROR
, 0, 0,
3396 "<unknown type>", (struct objfile
*) NULL
);