1 /* Parser for linespec for the GNU debugger, GDB.
3 Copyright (C) 1986-2005, 2007-2012 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 3 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, see <http://www.gnu.org/licenses/>. */
29 #include "completer.h"
31 #include "cp-support.h"
32 #include "parser-defs.h"
34 #include "objc-lang.h"
36 #include "exceptions.h"
39 #include "mi/mi-cmds.h"
41 #include "arch-utils.h"
43 #include "cli/cli-utils.h"
44 #include "filenames.h"
47 typedef struct symtab
*symtab_p
;
50 typedef struct symbol
*symbolp
;
53 typedef struct type
*typep
;
56 /* An address entry is used to ensure that any given location is only
57 added to the result a single time. It holds an address and the
58 program space from which the address came. */
62 struct program_space
*pspace
;
66 /* A helper struct which just holds a minimal symbol and the object
67 file from which it came. */
69 typedef struct minsym_and_objfile
71 struct minimal_symbol
*minsym
;
72 struct objfile
*objfile
;
73 } minsym_and_objfile_d
;
75 DEF_VEC_O (minsym_and_objfile_d
);
77 /* An enumeration of possible signs for a line offset. */
78 enum offset_relative_sign
83 /* A plus sign ("+") */
86 /* A minus sign ("-") */
89 /* A special "sign" for unspecified offset. */
93 /* A line offset in a linespec. */
97 /* Line offset and any specified sign. */
99 enum offset_relative_sign sign
;
102 /* A linespec. Elements of this structure are filled in by a parser
103 (either parse_linespec or some other function). The structure is
104 then converted into SALs by convert_linespec_to_sals. */
108 /* An expression and the resulting PC. Specifying an expression
109 currently precludes the use of other members. */
111 /* The expression entered by the user. */
114 /* The resulting PC expression derived from evaluating EXPRESSION. */
117 /* Any specified file symtabs. */
119 /* The user-supplied source filename or NULL if none was specified. */
120 char *source_filename
;
122 /* The list of symtabs to search to which to limit the search. May not
123 be NULL. If SOURCE_FILENAME is NULL (no user-specified filename),
124 FILE_SYMTABS should contain one single NULL member. This will
125 cause the code to use the default symtab. */
126 VEC (symtab_p
) *file_symtabs
;
128 /* The name of a function or method and any matching symbols. */
130 /* The user-specified function name. If no function name was
131 supplied, this may be NULL. */
134 /* A list of matching function symbols and minimal symbols. Both lists
135 may be NULL if no matching symbols were found. */
136 VEC (symbolp
) *function_symbols
;
137 VEC (minsym_and_objfile_d
) *minimal_symbols
;
139 /* The name of a label and matching symbols. */
141 /* The user-specified label name. */
144 /* A structure of matching label symbols and the corresponding
145 function symbol in which the label was found. Both may be NULL
146 or both must be non-NULL. */
149 VEC (symbolp
) *label_symbols
;
150 VEC (symbolp
) *function_symbols
;
153 /* Line offset. It may be LINE_OFFSET_UNKNOWN, meaning that no
154 offset was specified. */
155 struct line_offset line_offset
;
157 typedef struct linespec
*linespec_p
;
159 /* An instance of this is used to keep all state while linespec
160 operates. This instance is passed around as a 'this' pointer to
161 the various implementation methods. */
163 struct linespec_state
165 /* The language in use during linespec processing. */
166 const struct language_defn
*language
;
168 /* The program space as seen when the module was entered. */
169 struct program_space
*program_space
;
171 /* The default symtab to use, if no other symtab is specified. */
172 struct symtab
*default_symtab
;
174 /* The default line to use. */
177 /* The 'funfirstline' value that was passed in to decode_line_1 or
181 /* Nonzero if we are running in 'list' mode; see decode_line_list. */
184 /* The 'canonical' value passed to decode_line_full, or NULL. */
185 struct linespec_result
*canonical
;
187 /* Canonical strings that mirror the symtabs_and_lines result. */
188 char **canonical_names
;
190 /* This is a set of address_entry objects which is used to prevent
191 duplicate symbols from being entered into the result. */
195 /* This is a helper object that is used when collecting symbols into a
200 /* The linespec object in use. */
201 struct linespec_state
*state
;
203 /* A list of symtabs to which to restrict matches. */
204 VEC (symtab_p
) *file_symtabs
;
206 /* The result being accumulated. */
209 VEC (symbolp
) *symbols
;
210 VEC (minsym_and_objfile_d
) *minimal_symbols
;
221 /* A colon "separator" */
233 /* EOI (end of input) */
239 typedef enum ls_token_type linespec_token_type
;
241 /* List of keywords */
243 static const char * const linespec_keywords
[] = { "if", "thread", "task" };
245 /* A token of the linespec lexer */
249 /* The type of the token */
250 linespec_token_type type
;
252 /* Data for the token */
255 /* A string, given as a stoken */
256 struct stoken string
;
262 typedef struct ls_token linespec_token
;
264 #define LS_TOKEN_STOKEN(TOK) (TOK).data.string
265 #define LS_TOKEN_KEYWORD(TOK) (TOK).data.keyword
267 /* An instance of the linespec parser. */
271 /* Lexer internal data */
274 /* Save head of input stream. */
277 /* Head of the input stream. */
279 #define PARSER_STREAM(P) (*(P)->lexer.stream)
281 /* The current token. */
282 linespec_token current
;
285 /* Is the entire linespec quote-enclosed? */
286 int is_quote_enclosed
;
288 /* The state of the parse. */
289 struct linespec_state state
;
290 #define PARSER_STATE(PPTR) (&(PPTR)->state)
292 /* The result of the parse. */
293 struct linespec result
;
294 #define PARSER_RESULT(PPTR) (&(PPTR)->result)
296 typedef struct ls_parser linespec_parser
;
298 /* Prototypes for local functions. */
300 static void initialize_defaults (struct symtab
**default_symtab
,
303 static CORE_ADDR
linespec_expression_to_pc (char **exp_ptr
);
305 static struct symtabs_and_lines
decode_objc (struct linespec_state
*self
,
309 static VEC (symtab_p
) *symtabs_from_filename (const char *);
311 static VEC (symbolp
) *find_label_symbols (struct linespec_state
*self
,
312 VEC (symbolp
) *function_symbols
,
313 VEC (symbolp
) **label_funcs_ret
,
316 void find_linespec_symbols (struct linespec_state
*self
,
317 VEC (symtab_p
) *file_symtabs
,
319 VEC (symbolp
) **symbols
,
320 VEC (minsym_and_objfile_d
) **minsyms
);
322 static struct line_offset
323 linespec_parse_variable (struct linespec_state
*self
,
324 const char *variable
);
326 static int symbol_to_sal (struct symtab_and_line
*result
,
327 int funfirstline
, struct symbol
*sym
);
329 static void add_matching_symbols_to_info (const char *name
,
330 struct collect_info
*info
,
331 struct program_space
*pspace
);
333 static void add_all_symbol_names_from_pspace (struct collect_info
*info
,
334 struct program_space
*pspace
,
335 VEC (const_char_ptr
) *names
);
337 static VEC (symtab_p
) *collect_symtabs_from_filename (const char *file
);
339 static void decode_digits_ordinary (struct linespec_state
*self
,
342 struct symtabs_and_lines
*sals
,
343 struct linetable_entry
**best_entry
);
345 static void decode_digits_list_mode (struct linespec_state
*self
,
347 struct symtabs_and_lines
*values
,
348 struct symtab_and_line val
);
350 static void minsym_found (struct linespec_state
*self
, struct objfile
*objfile
,
351 struct minimal_symbol
*msymbol
,
352 struct symtabs_and_lines
*result
);
354 static int compare_symbols (const void *a
, const void *b
);
356 static int compare_msymbols (const void *a
, const void *b
);
358 static const char *find_toplevel_char (const char *s
, char c
);
360 /* Permitted quote characters for the parser. This is different from the
361 completer's quote characters to allow backward compatibility with the
363 static const char *const linespec_quote_characters
= "\"\'";
365 /* Lexer functions. */
367 /* Lex a number from the input in PARSER. This only supports
370 static linespec_token
371 linespec_lexer_lex_number (linespec_parser
*parser
)
373 linespec_token token
;
375 token
.type
= LSTOKEN_NUMBER
;
376 LS_TOKEN_STOKEN (token
).length
= 0;
377 LS_TOKEN_STOKEN (token
).ptr
= PARSER_STREAM (parser
);
379 /* Keep any sign at the start of the stream. */
380 if (*PARSER_STREAM (parser
) == '+' || *PARSER_STREAM (parser
) == '-')
382 ++LS_TOKEN_STOKEN (token
).length
;
383 ++(PARSER_STREAM (parser
));
386 while (isdigit (*PARSER_STREAM (parser
)))
388 ++LS_TOKEN_STOKEN (token
).length
;
389 ++(PARSER_STREAM (parser
));
395 /* Does P represent one of the keywords? If so, return
396 the keyword. If not, return NULL. */
399 linespec_lexer_lex_keyword (const char *p
)
405 for (i
= 0; i
< ARRAY_SIZE (linespec_keywords
); ++i
)
407 int len
= strlen (linespec_keywords
[i
]);
409 /* If P begins with one of the keywords and the next
410 character is not a valid identifier character,
411 we have found a keyword. */
412 if (strncmp (p
, linespec_keywords
[i
], len
) == 0
413 && !(isalnum (p
[len
]) || p
[len
] == '_'))
414 return linespec_keywords
[i
];
421 /* Does STRING represent an Ada operator? If so, return the length
422 of the decoded operator name. If not, return 0. */
425 is_ada_operator (const char *string
)
427 const struct ada_opname_map
*mapping
;
429 for (mapping
= ada_opname_table
;
430 mapping
->encoded
!= NULL
431 && strncmp (mapping
->decoded
, string
,
432 strlen (mapping
->decoded
)) != 0; ++mapping
)
435 return mapping
->decoded
== NULL
? 0 : strlen (mapping
->decoded
);
438 /* Find QUOTE_CHAR in STRING, accounting for the ':' terminal. Return
439 the location of QUOTE_CHAR, or NULL if not found. */
442 skip_quote_char (const char *string
, char quote_char
)
444 const char *p
, *last
;
446 p
= last
= find_toplevel_char (string
, quote_char
);
447 while (p
&& *p
!= '\0' && *p
!= ':')
449 p
= find_toplevel_char (p
, quote_char
);
457 /* Make a writable copy of the string given in TOKEN, trimming
458 any trailing whitespace. */
461 copy_token_string (linespec_token token
)
465 if (token
.type
== LSTOKEN_KEYWORD
)
466 return xstrdup (LS_TOKEN_KEYWORD (token
));
468 str
= savestring (LS_TOKEN_STOKEN (token
).ptr
,
469 LS_TOKEN_STOKEN (token
).length
);
470 s
= remove_trailing_whitespace (str
, str
+ LS_TOKEN_STOKEN (token
).length
);
476 /* Does P represent the end of a quote-enclosed linespec? */
479 is_closing_quote_enclosed (const char *p
)
481 if (strchr (linespec_quote_characters
, *p
))
483 p
= skip_spaces ((char *) p
);
484 return (*p
== '\0' || linespec_lexer_lex_keyword (p
));
487 /* Find the end of the parameter list that starts with *INPUT.
488 This helper function assists with lexing string segments
489 which might contain valid (non-terminating) commas. */
492 find_parameter_list_end (char *input
)
494 char end_char
, start_char
;
499 if (start_char
== '(')
501 else if (start_char
== '<')
510 if (*p
== start_char
)
512 else if (*p
== end_char
)
527 /* Lex a string from the input in PARSER. */
529 static linespec_token
530 linespec_lexer_lex_string (linespec_parser
*parser
)
532 linespec_token token
;
533 char *start
= PARSER_STREAM (parser
);
535 token
.type
= LSTOKEN_STRING
;
537 /* If the input stream starts with a quote character, skip to the next
538 quote character, regardless of the content. */
539 if (strchr (linespec_quote_characters
, *PARSER_STREAM (parser
)))
542 char quote_char
= *PARSER_STREAM (parser
);
544 /* Special case: Ada operators. */
545 if (PARSER_STATE (parser
)->language
->la_language
== language_ada
546 && quote_char
== '\"')
548 int len
= is_ada_operator (PARSER_STREAM (parser
));
552 /* The input is an Ada operator. Return the quoted string
554 LS_TOKEN_STOKEN (token
).ptr
= PARSER_STREAM (parser
);
555 LS_TOKEN_STOKEN (token
).length
= len
;
556 PARSER_STREAM (parser
) += len
;
560 /* The input does not represent an Ada operator -- fall through
561 to normal quoted string handling. */
564 /* Skip past the beginning quote. */
565 ++(PARSER_STREAM (parser
));
567 /* Mark the start of the string. */
568 LS_TOKEN_STOKEN (token
).ptr
= PARSER_STREAM (parser
);
570 /* Skip to the ending quote. */
571 end
= skip_quote_char (PARSER_STREAM (parser
), quote_char
);
573 /* Error if the input did not terminate properly. */
575 error (_("unmatched quote"));
577 /* Skip over the ending quote and mark the length of the string. */
578 PARSER_STREAM (parser
) = (char *) ++end
;
579 LS_TOKEN_STOKEN (token
).length
= PARSER_STREAM (parser
) - 2 - start
;
585 /* Otherwise, only identifier characters are permitted.
586 Spaces are the exception. In general, we keep spaces,
587 but only if the next characters in the input do not resolve
588 to one of the keywords.
590 This allows users to forgo quoting CV-qualifiers, template arguments,
591 and similar common language constructs. */
595 if (isspace (*PARSER_STREAM (parser
)))
597 p
= skip_spaces (PARSER_STREAM (parser
));
598 if (linespec_lexer_lex_keyword (p
) != NULL
)
600 LS_TOKEN_STOKEN (token
).ptr
= start
;
601 LS_TOKEN_STOKEN (token
).length
602 = PARSER_STREAM (parser
) - start
;
606 /* Advance past the whitespace. */
607 PARSER_STREAM (parser
) = p
;
610 /* If the next character is EOI or (single) ':', the
611 string is complete; return the token. */
612 if (*PARSER_STREAM (parser
) == 0)
614 LS_TOKEN_STOKEN (token
).ptr
= start
;
615 LS_TOKEN_STOKEN (token
).length
= PARSER_STREAM (parser
) - start
;
618 else if (PARSER_STREAM (parser
)[0] == ':')
620 /* Do not tokenize the C++ scope operator. */
621 if (PARSER_STREAM (parser
)[1] == ':')
622 ++(PARSER_STREAM (parser
));
624 /* Do not tokenify if the input length so far is one
625 (i.e, a single-letter drive name) and the next character
626 is a directory separator. This allows Windows-style
627 paths to be recognized as filenames without quoting it. */
628 else if ((PARSER_STREAM (parser
) - start
) != 1
629 || !IS_DIR_SEPARATOR (PARSER_STREAM (parser
)[1]))
631 LS_TOKEN_STOKEN (token
).ptr
= start
;
632 LS_TOKEN_STOKEN (token
).length
633 = PARSER_STREAM (parser
) - start
;
637 /* Special case: permit quote-enclosed linespecs. */
638 else if (parser
->is_quote_enclosed
639 && strchr (linespec_quote_characters
,
640 *PARSER_STREAM (parser
))
641 && is_closing_quote_enclosed (PARSER_STREAM (parser
)))
643 LS_TOKEN_STOKEN (token
).ptr
= start
;
644 LS_TOKEN_STOKEN (token
).length
= PARSER_STREAM (parser
) - start
;
647 /* Because commas may terminate a linespec and appear in
648 the middle of valid string input, special cases for
649 '<' and '(' are necessary. */
650 else if (*PARSER_STREAM (parser
) == '<'
651 || *PARSER_STREAM (parser
) == '(')
655 p
= find_parameter_list_end (PARSER_STREAM (parser
));
658 PARSER_STREAM (parser
) = p
;
662 /* Commas are terminators, but not if they are part of an
664 else if (*PARSER_STREAM (parser
) == ',')
666 if ((PARSER_STATE (parser
)->language
->la_language
668 && (PARSER_STREAM (parser
) - start
) > 8
669 /* strlen ("operator") */)
671 char *p
= strstr (start
, "operator");
673 if (p
!= NULL
&& is_operator_name (p
))
675 /* This is an operator name. Keep going. */
676 ++(PARSER_STREAM (parser
));
681 /* Comma terminates the string. */
682 LS_TOKEN_STOKEN (token
).ptr
= start
;
683 LS_TOKEN_STOKEN (token
).length
= PARSER_STREAM (parser
) - start
;
687 /* Advance the stream. */
688 ++(PARSER_STREAM (parser
));
695 /* Lex a single linespec token from PARSER. */
697 static linespec_token
698 linespec_lexer_lex_one (linespec_parser
*parser
)
702 if (parser
->lexer
.current
.type
== LSTOKEN_CONSUMED
)
704 /* Skip any whitespace. */
705 PARSER_STREAM (parser
) = skip_spaces (PARSER_STREAM (parser
));
707 /* Check for a keyword. */
708 keyword
= linespec_lexer_lex_keyword (PARSER_STREAM (parser
));
711 parser
->lexer
.current
.type
= LSTOKEN_KEYWORD
;
712 LS_TOKEN_KEYWORD (parser
->lexer
.current
) = keyword
;
713 return parser
->lexer
.current
;
716 /* Handle other tokens. */
717 switch (*PARSER_STREAM (parser
))
720 parser
->lexer
.current
.type
= LSTOKEN_EOI
;
724 case '0': case '1': case '2': case '3': case '4':
725 case '5': case '6': case '7': case '8': case '9':
726 parser
->lexer
.current
= linespec_lexer_lex_number (parser
);
730 /* If we have a scope operator, lex the input as a string.
731 Otherwise, return LSTOKEN_COLON. */
732 if (PARSER_STREAM (parser
)[1] == ':')
733 parser
->lexer
.current
= linespec_lexer_lex_string (parser
);
736 parser
->lexer
.current
.type
= LSTOKEN_COLON
;
737 ++(PARSER_STREAM (parser
));
741 case '\'': case '\"':
742 /* Special case: permit quote-enclosed linespecs. */
743 if (parser
->is_quote_enclosed
744 && is_closing_quote_enclosed (PARSER_STREAM (parser
)))
746 ++(PARSER_STREAM (parser
));
747 parser
->lexer
.current
.type
= LSTOKEN_EOI
;
750 parser
->lexer
.current
= linespec_lexer_lex_string (parser
);
754 parser
->lexer
.current
.type
= LSTOKEN_COMMA
;
755 LS_TOKEN_STOKEN (parser
->lexer
.current
).ptr
756 = PARSER_STREAM (parser
);
757 LS_TOKEN_STOKEN (parser
->lexer
.current
).length
= 1;
758 ++(PARSER_STREAM (parser
));
762 /* If the input is not a number, it must be a string.
763 [Keywords were already considered above.] */
764 parser
->lexer
.current
= linespec_lexer_lex_string (parser
);
769 return parser
->lexer
.current
;
772 /* Consume the current token and return the next token in PARSER's
775 static linespec_token
776 linespec_lexer_consume_token (linespec_parser
*parser
)
778 parser
->lexer
.current
.type
= LSTOKEN_CONSUMED
;
779 return linespec_lexer_lex_one (parser
);
782 /* Return the next token without consuming the current token. */
784 static linespec_token
785 linespec_lexer_peek_token (linespec_parser
*parser
)
788 char *saved_stream
= PARSER_STREAM (parser
);
789 linespec_token saved_token
= parser
->lexer
.current
;
791 next
= linespec_lexer_consume_token (parser
);
792 PARSER_STREAM (parser
) = saved_stream
;
793 parser
->lexer
.current
= saved_token
;
797 /* Helper functions. */
799 /* Add SAL to SALS. */
802 add_sal_to_sals_basic (struct symtabs_and_lines
*sals
,
803 struct symtab_and_line
*sal
)
806 sals
->sals
= xrealloc (sals
->sals
, sals
->nelts
* sizeof (sals
->sals
[0]));
807 sals
->sals
[sals
->nelts
- 1] = *sal
;
810 /* Add SAL to SALS, and also update SELF->CANONICAL_NAMES to reflect
811 the new sal, if needed. If not NULL, SYMNAME is the name of the
812 symbol to use when constructing the new canonical name. */
815 add_sal_to_sals (struct linespec_state
*self
,
816 struct symtabs_and_lines
*sals
,
817 struct symtab_and_line
*sal
,
820 add_sal_to_sals_basic (sals
, sal
);
824 char *canonical_name
= NULL
;
826 self
->canonical_names
= xrealloc (self
->canonical_names
,
827 sals
->nelts
* sizeof (char *));
828 if (sal
->symtab
&& sal
->symtab
->filename
)
830 char *filename
= sal
->symtab
->filename
;
832 /* Note that the filter doesn't have to be a valid linespec
833 input. We only apply the ":LINE" treatment to Ada for
835 if (symname
!= NULL
&& sal
->line
!= 0
836 && self
->language
->la_language
== language_ada
)
837 canonical_name
= xstrprintf ("%s:%s:%d", filename
, symname
,
839 else if (symname
!= NULL
)
840 canonical_name
= xstrprintf ("%s:%s", filename
, symname
);
842 canonical_name
= xstrprintf ("%s:%d", filename
, sal
->line
);
845 self
->canonical_names
[sals
->nelts
- 1] = canonical_name
;
849 /* A hash function for address_entry. */
852 hash_address_entry (const void *p
)
854 const struct address_entry
*aep
= p
;
857 hash
= iterative_hash_object (aep
->pspace
, 0);
858 return iterative_hash_object (aep
->addr
, hash
);
861 /* An equality function for address_entry. */
864 eq_address_entry (const void *a
, const void *b
)
866 const struct address_entry
*aea
= a
;
867 const struct address_entry
*aeb
= b
;
869 return aea
->pspace
== aeb
->pspace
&& aea
->addr
== aeb
->addr
;
872 /* Check whether the address, represented by PSPACE and ADDR, is
873 already in the set. If so, return 0. Otherwise, add it and return
877 maybe_add_address (htab_t set
, struct program_space
*pspace
, CORE_ADDR addr
)
879 struct address_entry e
, *p
;
884 slot
= htab_find_slot (set
, &e
, INSERT
);
888 p
= XNEW (struct address_entry
);
889 memcpy (p
, &e
, sizeof (struct address_entry
));
895 /* A callback function and the additional data to call it with. */
897 struct symbol_and_data_callback
899 /* The callback to use. */
900 symbol_found_callback_ftype
*callback
;
902 /* Data to be passed to the callback. */
906 /* A helper for iterate_over_all_matching_symtabs that is used to
907 restrict calls to another callback to symbols representing inline
911 iterate_inline_only (struct symbol
*sym
, void *d
)
913 if (SYMBOL_INLINED (sym
))
915 struct symbol_and_data_callback
*cad
= d
;
917 return cad
->callback (sym
, cad
->data
);
919 return 1; /* Continue iterating. */
922 /* Some data for the expand_symtabs_matching callback. */
924 struct symbol_matcher_data
926 /* The lookup name against which symbol name should be compared. */
927 const char *lookup_name
;
929 /* The routine to be used for comparison. */
930 symbol_name_cmp_ftype symbol_name_cmp
;
933 /* A helper for iterate_over_all_matching_symtabs that is passed as a
934 callback to the expand_symtabs_matching method. */
937 iterate_name_matcher (const char *name
, void *d
)
939 const struct symbol_matcher_data
*data
= d
;
941 if (data
->symbol_name_cmp (name
, data
->lookup_name
) == 0)
942 return 1; /* Expand this symbol's symbol table. */
943 return 0; /* Skip this symbol. */
946 /* A helper that walks over all matching symtabs in all objfiles and
947 calls CALLBACK for each symbol matching NAME. If SEARCH_PSPACE is
948 not NULL, then the search is restricted to just that program
949 space. If INCLUDE_INLINE is nonzero then symbols representing
950 inlined instances of functions will be included in the result. */
953 iterate_over_all_matching_symtabs (struct linespec_state
*state
,
955 const domain_enum domain
,
956 symbol_found_callback_ftype
*callback
,
958 struct program_space
*search_pspace
,
961 struct objfile
*objfile
;
962 struct program_space
*pspace
;
963 struct symbol_matcher_data matcher_data
;
965 matcher_data
.lookup_name
= name
;
966 matcher_data
.symbol_name_cmp
=
967 state
->language
->la_get_symbol_name_cmp
!= NULL
968 ? state
->language
->la_get_symbol_name_cmp (name
)
973 if (search_pspace
!= NULL
&& search_pspace
!= pspace
)
975 if (pspace
->executing_startup
)
978 set_current_program_space (pspace
);
980 ALL_OBJFILES (objfile
)
982 struct symtab
*symtab
;
985 objfile
->sf
->qf
->expand_symtabs_matching (objfile
, NULL
,
986 iterate_name_matcher
,
990 ALL_OBJFILE_PRIMARY_SYMTABS (objfile
, symtab
)
994 block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab
), STATIC_BLOCK
);
995 LA_ITERATE_OVER_SYMBOLS (block
, name
, domain
, callback
, data
);
999 struct symbol_and_data_callback cad
= { callback
, data
};
1002 for (i
= FIRST_LOCAL_BLOCK
;
1003 i
< BLOCKVECTOR_NBLOCKS (BLOCKVECTOR (symtab
)); i
++)
1005 block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab
), i
);
1006 LA_ITERATE_OVER_SYMBOLS (block
, name
, domain
,
1007 iterate_inline_only
, &cad
);
1015 /* Returns the block to be used for symbol searches for the given SYMTAB,
1016 which may be NULL. */
1018 static struct block
*
1019 get_search_block (struct symtab
*symtab
)
1021 struct block
*block
;
1024 block
= BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab
), STATIC_BLOCK
);
1027 enum language save_language
;
1029 /* get_selected_block can change the current language when there is
1030 no selected frame yet. */
1031 save_language
= current_language
->la_language
;
1032 block
= get_selected_block (0);
1033 set_language (save_language
);
1039 /* A helper for find_method. This finds all methods in type T which
1040 match NAME. It adds matching symbol names to RESULT_NAMES, and
1041 adds T's direct superclasses to SUPERCLASSES. */
1044 find_methods (struct type
*t
, const char *name
,
1045 VEC (const_char_ptr
) **result_names
,
1046 VEC (typep
) **superclasses
)
1050 const char *class_name
= type_name_no_tag (t
);
1052 /* Ignore this class if it doesn't have a name. This is ugly, but
1053 unless we figure out how to get the physname without the name of
1054 the class, then the loop can't do any good. */
1058 int name_len
= strlen (name
);
1062 /* Loop over each method name. At this level, all overloads of a name
1063 are counted as a single name. There is an inner loop which loops over
1066 for (method_counter
= TYPE_NFN_FIELDS (t
) - 1;
1067 method_counter
>= 0;
1070 const char *method_name
= TYPE_FN_FIELDLIST_NAME (t
, method_counter
);
1071 char dem_opname
[64];
1073 if (strncmp (method_name
, "__", 2) == 0 ||
1074 strncmp (method_name
, "op", 2) == 0 ||
1075 strncmp (method_name
, "type", 4) == 0)
1077 if (cplus_demangle_opname (method_name
, dem_opname
, DMGL_ANSI
))
1078 method_name
= dem_opname
;
1079 else if (cplus_demangle_opname (method_name
, dem_opname
, 0))
1080 method_name
= dem_opname
;
1083 if (strcmp_iw (method_name
, name
) == 0)
1087 for (field_counter
= (TYPE_FN_FIELDLIST_LENGTH (t
, method_counter
)
1093 const char *phys_name
;
1095 f
= TYPE_FN_FIELDLIST1 (t
, method_counter
);
1096 if (TYPE_FN_FIELD_STUB (f
, field_counter
))
1098 phys_name
= TYPE_FN_FIELD_PHYSNAME (f
, field_counter
);
1099 VEC_safe_push (const_char_ptr
, *result_names
, phys_name
);
1105 for (ibase
= 0; ibase
< TYPE_N_BASECLASSES (t
); ibase
++)
1106 VEC_safe_push (typep
, *superclasses
, TYPE_BASECLASS (t
, ibase
));
1109 /* Find an instance of the character C in the string S that is outside
1110 of all parenthesis pairs, single-quoted strings, and double-quoted
1111 strings. Also, ignore the char within a template name, like a ','
1112 within foo<int, int>. */
1115 find_toplevel_char (const char *s
, char c
)
1117 int quoted
= 0; /* zero if we're not in quotes;
1118 '"' if we're in a double-quoted string;
1119 '\'' if we're in a single-quoted string. */
1120 int depth
= 0; /* Number of unclosed parens we've seen. */
1123 for (scan
= s
; *scan
; scan
++)
1127 if (*scan
== quoted
)
1129 else if (*scan
== '\\' && *(scan
+ 1))
1132 else if (*scan
== c
&& ! quoted
&& depth
== 0)
1134 else if (*scan
== '"' || *scan
== '\'')
1136 else if (*scan
== '(' || *scan
== '<')
1138 else if ((*scan
== ')' || *scan
== '>') && depth
> 0)
1145 /* The string equivalent of find_toplevel_char. Returns a pointer
1146 to the location of NEEDLE in HAYSTACK, ignoring any occurrences
1147 inside "()" and "<>". Returns NULL if NEEDLE was not found. */
1150 find_toplevel_string (const char *haystack
, const char *needle
)
1152 const char *s
= haystack
;
1156 s
= find_toplevel_char (s
, *needle
);
1160 /* Found first char in HAYSTACK; check rest of string. */
1161 if (strncmp (s
, needle
, strlen (needle
)) == 0)
1164 /* Didn't find it; loop over HAYSTACK, looking for the next
1165 instance of the first character of NEEDLE. */
1169 while (s
!= NULL
&& *s
!= '\0');
1171 /* NEEDLE was not found in HAYSTACK. */
1175 /* Given FILTERS, a list of canonical names, filter the sals in RESULT
1176 and store the result in SELF->CANONICAL. */
1179 filter_results (struct linespec_state
*self
,
1180 struct symtabs_and_lines
*result
,
1181 VEC (const_char_ptr
) *filters
)
1186 for (i
= 0; VEC_iterate (const_char_ptr
, filters
, i
, name
); ++i
)
1188 struct linespec_sals lsal
;
1191 memset (&lsal
, 0, sizeof (lsal
));
1193 for (j
= 0; j
< result
->nelts
; ++j
)
1195 if (strcmp (name
, self
->canonical_names
[j
]) == 0)
1196 add_sal_to_sals_basic (&lsal
.sals
, &result
->sals
[j
]);
1199 if (lsal
.sals
.nelts
> 0)
1201 lsal
.canonical
= xstrdup (name
);
1202 VEC_safe_push (linespec_sals
, self
->canonical
->sals
, &lsal
);
1206 self
->canonical
->pre_expanded
= 0;
1209 /* Store RESULT into SELF->CANONICAL. */
1212 convert_results_to_lsals (struct linespec_state
*self
,
1213 struct symtabs_and_lines
*result
)
1215 struct linespec_sals lsal
;
1217 lsal
.canonical
= NULL
;
1218 lsal
.sals
= *result
;
1219 VEC_safe_push (linespec_sals
, self
->canonical
->sals
, &lsal
);
1222 /* Handle multiple results in RESULT depending on SELECT_MODE. This
1223 will either return normally, throw an exception on multiple
1224 results, or present a menu to the user. On return, the SALS vector
1225 in SELF->CANONICAL is set up properly. */
1228 decode_line_2 (struct linespec_state
*self
,
1229 struct symtabs_and_lines
*result
,
1230 const char *select_mode
)
1233 char *args
, *prompt
;
1235 struct cleanup
*old_chain
;
1236 VEC (const_char_ptr
) *item_names
= NULL
, *filters
= NULL
;
1237 struct get_number_or_range_state state
;
1239 gdb_assert (select_mode
!= multiple_symbols_all
);
1240 gdb_assert (self
->canonical
!= NULL
);
1242 old_chain
= make_cleanup (VEC_cleanup (const_char_ptr
), &item_names
);
1243 make_cleanup (VEC_cleanup (const_char_ptr
), &filters
);
1244 for (i
= 0; i
< result
->nelts
; ++i
)
1249 gdb_assert (self
->canonical_names
[i
] != NULL
);
1250 for (j
= 0; VEC_iterate (const_char_ptr
, item_names
, j
, iter
); ++j
)
1252 if (strcmp (iter
, self
->canonical_names
[i
]) == 0)
1260 VEC_safe_push (const_char_ptr
, item_names
, self
->canonical_names
[i
]);
1263 if (select_mode
== multiple_symbols_cancel
1264 && VEC_length (const_char_ptr
, item_names
) > 1)
1265 error (_("canceled because the command is ambiguous\n"
1266 "See set/show multiple-symbol."));
1268 if (select_mode
== multiple_symbols_all
1269 || VEC_length (const_char_ptr
, item_names
) == 1)
1271 do_cleanups (old_chain
);
1272 convert_results_to_lsals (self
, result
);
1276 /* Sort the list of method names alphabetically. */
1277 qsort (VEC_address (const_char_ptr
, item_names
),
1278 VEC_length (const_char_ptr
, item_names
),
1279 sizeof (const_char_ptr
), compare_strings
);
1281 printf_unfiltered (_("[0] cancel\n[1] all\n"));
1282 for (i
= 0; VEC_iterate (const_char_ptr
, item_names
, i
, iter
); ++i
)
1283 printf_unfiltered ("[%d] %s\n", i
+ 2, iter
);
1285 prompt
= getenv ("PS2");
1290 args
= command_line_input (prompt
, 0, "overload-choice");
1292 if (args
== 0 || *args
== 0)
1293 error_no_arg (_("one or more choice numbers"));
1295 init_number_or_range (&state
, args
);
1296 while (!state
.finished
)
1300 num
= get_number_or_range (&state
);
1303 error (_("canceled"));
1306 /* We intentionally make this result in a single breakpoint,
1307 contrary to what older versions of gdb did. The
1308 rationale is that this lets a user get the
1309 multiple_symbols_all behavior even with the 'ask'
1310 setting; and he can get separate breakpoints by entering
1311 "2-57" at the query. */
1312 do_cleanups (old_chain
);
1313 convert_results_to_lsals (self
, result
);
1318 if (num
>= VEC_length (const_char_ptr
, item_names
))
1319 printf_unfiltered (_("No choice number %d.\n"), num
);
1322 const char *elt
= VEC_index (const_char_ptr
, item_names
, num
);
1326 VEC_safe_push (const_char_ptr
, filters
, elt
);
1327 VEC_replace (const_char_ptr
, item_names
, num
, NULL
);
1331 printf_unfiltered (_("duplicate request for %d ignored.\n"),
1337 filter_results (self
, result
, filters
);
1338 do_cleanups (old_chain
);
1343 /* The parser of linespec itself. */
1345 /* Throw an appropriate error when SYMBOL is not found (optionally in
1348 static void ATTRIBUTE_NORETURN
1349 symbol_not_found_error (char *symbol
, char *filename
)
1354 if (!have_full_symbols ()
1355 && !have_partial_symbols ()
1356 && !have_minimal_symbols ())
1357 throw_error (NOT_FOUND_ERROR
,
1358 _("No symbol table is loaded. Use the \"file\" command."));
1360 /* If SYMBOL starts with '$', the user attempted to either lookup
1361 a function/variable in his code starting with '$' or an internal
1362 variable of that name. Since we do not know which, be concise and
1363 explain both possibilities. */
1367 throw_error (NOT_FOUND_ERROR
,
1368 _("Undefined convenience variable or function \"%s\" "
1369 "not defined in \"%s\"."), symbol
, filename
);
1371 throw_error (NOT_FOUND_ERROR
,
1372 _("Undefined convenience variable or function \"%s\" "
1373 "not defined."), symbol
);
1378 throw_error (NOT_FOUND_ERROR
,
1379 _("Function \"%s\" not defined in \"%s\"."),
1382 throw_error (NOT_FOUND_ERROR
,
1383 _("Function \"%s\" not defined."), symbol
);
1387 /* Throw an appropriate error when an unexpected token is encountered
1390 static void ATTRIBUTE_NORETURN
1391 unexpected_linespec_error (linespec_parser
*parser
)
1393 linespec_token token
;
1394 static const char * token_type_strings
[]
1395 = {"keyword", "colon", "string", "number", "comma", "end of input"};
1397 /* Get the token that generated the error. */
1398 token
= linespec_lexer_lex_one (parser
);
1400 /* Finally, throw the error. */
1401 if (token
.type
== LSTOKEN_STRING
|| token
.type
== LSTOKEN_NUMBER
1402 || token
.type
== LSTOKEN_KEYWORD
)
1405 struct cleanup
*cleanup
;
1407 string
= copy_token_string (token
);
1408 cleanup
= make_cleanup (xfree
, string
);
1409 throw_error (GENERIC_ERROR
,
1410 _("malformed linespec error: unexpected %s, \"%s\""),
1411 token_type_strings
[token
.type
], string
);
1414 throw_error (GENERIC_ERROR
,
1415 _("malformed linespec error: unexpected %s"),
1416 token_type_strings
[token
.type
]);
1419 /* Parse and return a line offset in STRING. */
1421 static struct line_offset
1422 linespec_parse_line_offset (char *string
)
1424 struct line_offset line_offset
= {0, LINE_OFFSET_NONE
};
1428 line_offset
.sign
= LINE_OFFSET_PLUS
;
1431 else if (*string
== '-')
1433 line_offset
.sign
= LINE_OFFSET_MINUS
;
1437 /* Right now, we only allow base 10 for offsets. */
1438 line_offset
.offset
= atoi (string
);
1442 /* Parse the basic_spec in PARSER's input. */
1445 linespec_parse_basic (linespec_parser
*parser
)
1448 linespec_token token
;
1449 VEC (symbolp
) *symbols
, *labels
;
1450 VEC (minsym_and_objfile_d
) *minimal_symbols
;
1451 struct cleanup
*cleanup
;
1453 /* Get the next token. */
1454 token
= linespec_lexer_lex_one (parser
);
1456 /* If it is EOI or KEYWORD, issue an error. */
1457 if (token
.type
== LSTOKEN_KEYWORD
|| token
.type
== LSTOKEN_EOI
)
1458 unexpected_linespec_error (parser
);
1459 /* If it is a LSTOKEN_NUMBER, we have an offset. */
1460 else if (token
.type
== LSTOKEN_NUMBER
)
1462 /* Record the line offset and get the next token. */
1463 name
= copy_token_string (token
);
1464 cleanup
= make_cleanup (xfree
, name
);
1465 PARSER_RESULT (parser
)->line_offset
= linespec_parse_line_offset (name
);
1466 do_cleanups (cleanup
);
1468 /* Get the next token. */
1469 token
= linespec_lexer_consume_token (parser
);
1471 /* If the next token is a comma, stop parsing and return. */
1472 if (token
.type
== LSTOKEN_COMMA
)
1475 /* If the next token is anything but EOI or KEYWORD, issue
1477 if (token
.type
!= LSTOKEN_KEYWORD
&& token
.type
!= LSTOKEN_EOI
)
1478 unexpected_linespec_error (parser
);
1481 if (token
.type
== LSTOKEN_KEYWORD
|| token
.type
== LSTOKEN_EOI
)
1484 /* Next token must be LSTOKEN_STRING. */
1485 if (token
.type
!= LSTOKEN_STRING
)
1486 unexpected_linespec_error (parser
);
1488 /* The current token will contain the name of a function, method,
1490 name
= copy_token_string (token
);
1491 cleanup
= make_cleanup (xfree
, name
);
1493 /* Try looking it up as a function/method. */
1494 find_linespec_symbols (PARSER_STATE (parser
),
1495 PARSER_RESULT (parser
)->file_symtabs
, name
,
1496 &symbols
, &minimal_symbols
);
1498 if (symbols
!= NULL
|| minimal_symbols
!= NULL
)
1500 PARSER_RESULT (parser
)->function_symbols
= symbols
;
1501 PARSER_RESULT (parser
)->minimal_symbols
= minimal_symbols
;
1502 PARSER_RESULT (parser
)->function_name
= name
;
1504 discard_cleanups (cleanup
);
1508 /* NAME was not a function or a method. So it must be a label
1510 labels
= find_label_symbols (PARSER_STATE (parser
), NULL
,
1514 PARSER_RESULT (parser
)->labels
.label_symbols
= labels
;
1515 PARSER_RESULT (parser
)->labels
.function_symbols
= symbols
;
1516 PARSER_RESULT (parser
)->label_name
= name
;
1518 discard_cleanups (cleanup
);
1522 /* The name is also not a label. Abort parsing. Do not throw
1523 an error here. parse_linespec will do it for us. */
1525 /* Save a copy of the name we were trying to lookup. */
1526 PARSER_RESULT (parser
)->function_name
= name
;
1527 discard_cleanups (cleanup
);
1532 /* Get the next token. */
1533 token
= linespec_lexer_consume_token (parser
);
1535 if (token
.type
== LSTOKEN_COLON
)
1537 /* User specified a label or a lineno. */
1538 token
= linespec_lexer_consume_token (parser
);
1540 if (token
.type
== LSTOKEN_NUMBER
)
1542 /* User specified an offset. Record the line offset and
1543 get the next token. */
1544 name
= copy_token_string (token
);
1545 cleanup
= make_cleanup (xfree
, name
);
1546 PARSER_RESULT (parser
)->line_offset
1547 = linespec_parse_line_offset (name
);
1548 do_cleanups (cleanup
);
1550 /* Ge the next token. */
1551 token
= linespec_lexer_consume_token (parser
);
1553 else if (token
.type
== LSTOKEN_STRING
)
1555 /* Grab a copy of the label's name and look it up. */
1556 name
= copy_token_string (token
);
1557 cleanup
= make_cleanup (xfree
, name
);
1558 labels
= find_label_symbols (PARSER_STATE (parser
),
1559 PARSER_RESULT (parser
)->function_symbols
,
1564 PARSER_RESULT (parser
)->labels
.label_symbols
= labels
;
1565 PARSER_RESULT (parser
)->labels
.function_symbols
= symbols
;
1566 PARSER_RESULT (parser
)->label_name
= name
;
1568 discard_cleanups (cleanup
);
1572 /* We don't know what it was, but it isn't a label. */
1573 throw_error (NOT_FOUND_ERROR
,
1574 _("No label \"%s\" defined in function \"%s\"."),
1575 name
, PARSER_RESULT (parser
)->function_name
);
1578 /* Check for a line offset. */
1579 token
= linespec_lexer_consume_token (parser
);
1580 if (token
.type
== LSTOKEN_COLON
)
1582 /* Get the next token. */
1583 token
= linespec_lexer_consume_token (parser
);
1585 /* It must be a line offset. */
1586 if (token
.type
!= LSTOKEN_NUMBER
)
1587 unexpected_linespec_error (parser
);
1589 /* Record the lione offset and get the next token. */
1590 name
= copy_token_string (token
);
1591 cleanup
= make_cleanup (xfree
, name
);
1593 PARSER_RESULT (parser
)->line_offset
1594 = linespec_parse_line_offset (name
);
1595 do_cleanups (cleanup
);
1597 /* Get the next token. */
1598 token
= linespec_lexer_consume_token (parser
);
1603 /* Trailing ':' in the input. Issue an error. */
1604 unexpected_linespec_error (parser
);
1609 /* Canonicalize the linespec contained in LS. The result is saved into
1610 STATE->canonical. */
1613 canonicalize_linespec (struct linespec_state
*state
, linespec_p ls
)
1615 /* If canonicalization was not requested, no need to do anything. */
1616 if (!state
->canonical
)
1619 /* Shortcut expressions, which can only appear by themselves. */
1620 if (ls
->expression
!= NULL
)
1621 state
->canonical
->addr_string
= xstrdup (ls
->expression
);
1624 struct ui_file
*buf
;
1627 buf
= mem_fileopen ();
1628 if (ls
->source_filename
)
1630 fputs_unfiltered (ls
->source_filename
, buf
);
1634 if (ls
->function_name
)
1637 fputc_unfiltered (':', buf
);
1638 fputs_unfiltered (ls
->function_name
, buf
);
1645 fputc_unfiltered (':', buf
);
1647 if (ls
->function_name
== NULL
)
1651 /* No function was specified, so add the symbol name. */
1652 gdb_assert (ls
->labels
.function_symbols
!= NULL
1653 && (VEC_length (symbolp
, ls
->labels
.function_symbols
)
1655 s
= VEC_index (symbolp
, ls
->labels
.function_symbols
, 0);
1656 fputs_unfiltered (SYMBOL_NATURAL_NAME (s
), buf
);
1657 fputc_unfiltered (':', buf
);
1660 fputs_unfiltered (ls
->label_name
, buf
);
1662 state
->canonical
->special_display
= 1;
1665 if (ls
->line_offset
.sign
!= LINE_OFFSET_UNKNOWN
)
1668 fputc_unfiltered (':', buf
);
1669 fprintf_filtered (buf
, "%s%d",
1670 (ls
->line_offset
.sign
== LINE_OFFSET_NONE
? ""
1671 : (ls
->line_offset
.sign
1672 == LINE_OFFSET_PLUS
? "+" : "-")),
1673 ls
->line_offset
.offset
);
1676 state
->canonical
->addr_string
= ui_file_xstrdup (buf
, NULL
);
1677 ui_file_delete (buf
);
1681 /* Given a line offset in LS, construct the relevant SALs. */
1683 static struct symtabs_and_lines
1684 create_sals_line_offset (struct linespec_state
*self
,
1687 struct symtabs_and_lines values
;
1688 struct symtab_and_line val
;
1689 int use_default
= 0;
1695 /* This is where we need to make sure we have good defaults.
1696 We must guarantee that this section of code is never executed
1697 when we are called with just a function anme, since
1698 set_default_source_symtab_and_line uses
1699 select_source_symtab that calls us with such an argument. */
1701 if (VEC_length (symtab_p
, ls
->file_symtabs
) == 1
1702 && VEC_index (symtab_p
, ls
->file_symtabs
, 0) == NULL
)
1704 set_current_program_space (self
->program_space
);
1706 /* Make sure we have at least a default source line. */
1707 set_default_source_symtab_and_line ();
1708 initialize_defaults (&self
->default_symtab
, &self
->default_line
);
1709 VEC_pop (symtab_p
, ls
->file_symtabs
);
1710 VEC_free (symtab_p
, ls
->file_symtabs
);
1712 = collect_symtabs_from_filename (self
->default_symtab
->filename
);
1716 val
.line
= ls
->line_offset
.offset
;
1717 switch (ls
->line_offset
.sign
)
1719 case LINE_OFFSET_PLUS
:
1720 if (ls
->line_offset
.offset
== 0)
1723 val
.line
= self
->default_line
+ val
.line
;
1726 case LINE_OFFSET_MINUS
:
1727 if (ls
->line_offset
.offset
== 0)
1730 val
.line
= self
->default_line
- val
.line
;
1732 val
.line
= -val
.line
;
1735 case LINE_OFFSET_NONE
:
1736 break; /* No need to adjust val.line. */
1739 if (self
->list_mode
)
1740 decode_digits_list_mode (self
, ls
, &values
, val
);
1743 struct linetable_entry
*best_entry
= NULL
;
1745 struct block
**blocks
;
1746 struct cleanup
*cleanup
;
1747 struct symtabs_and_lines intermediate_results
;
1750 intermediate_results
.sals
= NULL
;
1751 intermediate_results
.nelts
= 0;
1753 decode_digits_ordinary (self
, ls
, val
.line
, &intermediate_results
,
1755 if (intermediate_results
.nelts
== 0 && best_entry
!= NULL
)
1756 decode_digits_ordinary (self
, ls
, best_entry
->line
,
1757 &intermediate_results
, &best_entry
);
1759 cleanup
= make_cleanup (xfree
, intermediate_results
.sals
);
1761 /* For optimized code, the compiler can scatter one source line
1762 across disjoint ranges of PC values, even when no duplicate
1763 functions or inline functions are involved. For example,
1764 'for (;;)' inside a non-template, non-inline, and non-ctor-or-dtor
1765 function can result in two PC ranges. In this case, we don't
1766 want to set a breakpoint on the first PC of each range. To filter
1767 such cases, we use containing blocks -- for each PC found
1768 above, we see if there are other PCs that are in the same
1769 block. If yes, the other PCs are filtered out. */
1771 filter
= XNEWVEC (int, intermediate_results
.nelts
);
1772 make_cleanup (xfree
, filter
);
1773 blocks
= XNEWVEC (struct block
*, intermediate_results
.nelts
);
1774 make_cleanup (xfree
, blocks
);
1776 for (i
= 0; i
< intermediate_results
.nelts
; ++i
)
1778 set_current_program_space (intermediate_results
.sals
[i
].pspace
);
1781 blocks
[i
] = block_for_pc_sect (intermediate_results
.sals
[i
].pc
,
1782 intermediate_results
.sals
[i
].section
);
1785 for (i
= 0; i
< intermediate_results
.nelts
; ++i
)
1787 if (blocks
[i
] != NULL
)
1788 for (j
= i
+ 1; j
< intermediate_results
.nelts
; ++j
)
1790 if (blocks
[j
] == blocks
[i
])
1798 for (i
= 0; i
< intermediate_results
.nelts
; ++i
)
1801 struct symbol
*sym
= (blocks
[i
]
1802 ? block_containing_function (blocks
[i
])
1805 if (self
->funfirstline
)
1806 skip_prologue_sal (&intermediate_results
.sals
[i
]);
1807 /* Make sure the line matches the request, not what was
1809 intermediate_results
.sals
[i
].line
= val
.line
;
1810 add_sal_to_sals (self
, &values
, &intermediate_results
.sals
[i
],
1811 sym
? SYMBOL_NATURAL_NAME (sym
) : NULL
);
1814 do_cleanups (cleanup
);
1817 if (values
.nelts
== 0)
1819 if (ls
->source_filename
)
1820 throw_error (NOT_FOUND_ERROR
, _("No line %d in file \"%s\"."),
1821 val
.line
, ls
->source_filename
);
1823 throw_error (NOT_FOUND_ERROR
, _("No line %d in the current file."),
1830 /* Create and return SALs from the linespec LS. */
1832 static struct symtabs_and_lines
1833 convert_linespec_to_sals (struct linespec_state
*state
, linespec_p ls
)
1835 struct symtabs_and_lines sals
= {NULL
, 0};
1837 if (ls
->expression
!= NULL
)
1839 /* We have an expression. No other attribute is allowed. */
1840 sals
.sals
= XMALLOC (struct symtab_and_line
);
1842 sals
.sals
[0] = find_pc_line (ls
->expr_pc
, 0);
1843 sals
.sals
[0].pc
= ls
->expr_pc
;
1844 sals
.sals
[0].section
= find_pc_overlay (ls
->expr_pc
);
1845 sals
.sals
[0].explicit_pc
= 1;
1847 else if (ls
->labels
.label_symbols
!= NULL
)
1849 /* We have just a bunch of functions/methods or labels. */
1851 struct symtab_and_line sal
;
1854 for (i
= 0; VEC_iterate (symbolp
, ls
->labels
.label_symbols
, i
, sym
); ++i
)
1856 symbol_to_sal (&sal
, state
->funfirstline
, sym
);
1857 add_sal_to_sals (state
, &sals
, &sal
,
1858 SYMBOL_NATURAL_NAME (sym
));
1861 else if (ls
->function_symbols
!= NULL
|| ls
->minimal_symbols
!= NULL
)
1863 /* We have just a bunch of functions and/or methods. */
1865 struct symtab_and_line sal
;
1867 minsym_and_objfile_d
*elem
;
1868 struct program_space
*pspace
;
1870 if (ls
->function_symbols
!= NULL
)
1872 /* Sort symbols so that symbols with the same program space are next
1874 qsort (VEC_address (symbolp
, ls
->function_symbols
),
1875 VEC_length (symbolp
, ls
->function_symbols
),
1876 sizeof (symbolp
), compare_symbols
);
1878 for (i
= 0; VEC_iterate (symbolp
, ls
->function_symbols
, i
, sym
); ++i
)
1880 pspace
= SYMTAB_PSPACE (SYMBOL_SYMTAB (sym
));
1881 set_current_program_space (pspace
);
1882 symbol_to_sal (&sal
, state
->funfirstline
, sym
);
1883 if (maybe_add_address (state
->addr_set
, pspace
, sal
.pc
))
1884 add_sal_to_sals (state
, &sals
, &sal
, SYMBOL_NATURAL_NAME (sym
));
1888 if (ls
->minimal_symbols
!= NULL
)
1890 /* Sort minimal symbols by program space, too. */
1891 qsort (VEC_address (minsym_and_objfile_d
, ls
->minimal_symbols
),
1892 VEC_length (minsym_and_objfile_d
, ls
->minimal_symbols
),
1893 sizeof (minsym_and_objfile_d
), compare_msymbols
);
1896 VEC_iterate (minsym_and_objfile_d
, ls
->minimal_symbols
, i
, elem
);
1899 pspace
= elem
->objfile
->pspace
;
1900 set_current_program_space (pspace
);
1901 minsym_found (state
, elem
->objfile
, elem
->minsym
, &sals
);
1905 else if (ls
->line_offset
.sign
!= LINE_OFFSET_UNKNOWN
)
1907 /* Only an offset was specified. */
1908 sals
= create_sals_line_offset (state
, ls
);
1910 /* Make sure we have a filename for canonicalization. */
1911 if (ls
->source_filename
== NULL
)
1912 ls
->source_filename
= xstrdup (state
->default_symtab
->filename
);
1916 /* We haven't found any results... */
1920 canonicalize_linespec (state
, ls
);
1922 if (sals
.nelts
> 0 && state
->canonical
!= NULL
)
1923 state
->canonical
->pre_expanded
= 1;
1928 /* Parse a string that specifies a linespec.
1929 Pass the address of a char * variable; that variable will be
1930 advanced over the characters actually parsed.
1932 The basic grammar of linespecs:
1934 linespec -> expr_spec | var_spec | basic_spec
1935 expr_spec -> '*' STRING
1936 var_spec -> '$' (STRING | NUMBER)
1938 basic_spec -> file_offset_spec | function_spec | label_spec
1939 file_offset_spec -> opt_file_spec offset_spec
1940 function_spec -> opt_file_spec function_name_spec opt_label_spec
1941 label_spec -> label_name_spec
1943 opt_file_spec -> "" | file_name_spec ':'
1944 opt_label_spec -> "" | ':' label_name_spec
1946 file_name_spec -> STRING
1947 function_name_spec -> STRING
1948 label_name_spec -> STRING
1949 function_name_spec -> STRING
1950 offset_spec -> NUMBER
1954 This may all be followed by several keywords such as "if EXPR",
1957 A comma will terminate parsing.
1959 The function may be an undebuggable function found in minimal symbol table.
1961 If the argument FUNFIRSTLINE is nonzero, we want the first line
1962 of real code inside a function when a function is specified, and it is
1963 not OK to specify a variable or type to get its line number.
1965 DEFAULT_SYMTAB specifies the file to use if none is specified.
1966 It defaults to current_source_symtab.
1967 DEFAULT_LINE specifies the line number to use for relative
1968 line numbers (that start with signs). Defaults to current_source_line.
1969 If CANONICAL is non-NULL, store an array of strings containing the canonical
1970 line specs there if necessary. Currently overloaded member functions and
1971 line numbers or static functions without a filename yield a canonical
1972 line spec. The array and the line spec strings are allocated on the heap,
1973 it is the callers responsibility to free them.
1975 Note that it is possible to return zero for the symtab
1976 if no file is validly specified. Callers must check that.
1977 Also, the line number returned may be invalid. */
1979 /* Parse the linespec in ARGPTR. */
1981 static struct symtabs_and_lines
1982 parse_linespec (linespec_parser
*parser
, char **argptr
)
1984 linespec_token token
;
1985 struct symtabs_and_lines values
;
1986 volatile struct gdb_exception file_exception
;
1987 struct cleanup
*cleanup
;
1989 /* A special case to start. It has become quite popular for
1990 IDEs to work around bugs in the previous parser by quoting
1991 the entire linespec, so we attempt to deal with this nicely. */
1992 parser
->is_quote_enclosed
= 0;
1993 if (!is_ada_operator (*argptr
)
1994 && strchr (linespec_quote_characters
, **argptr
) != NULL
)
1998 end
= skip_quote_char (*argptr
+ 1, **argptr
);
1999 if (end
!= NULL
&& is_closing_quote_enclosed (end
))
2001 /* Here's the special case. Skip ARGPTR past the initial
2004 parser
->is_quote_enclosed
= 1;
2008 parser
->lexer
.saved_arg
= *argptr
;
2009 parser
->lexer
.stream
= argptr
;
2010 file_exception
.reason
= 0;
2012 /* Initialize the default symtab and line offset. */
2013 initialize_defaults (&PARSER_STATE (parser
)->default_symtab
,
2014 &PARSER_STATE (parser
)->default_line
);
2016 /* Objective-C shortcut. */
2017 values
= decode_objc (PARSER_STATE (parser
), PARSER_RESULT (parser
), argptr
);
2018 if (values
.sals
!= NULL
)
2021 /* Start parsing. */
2023 /* Get the first token. */
2024 token
= linespec_lexer_lex_one (parser
);
2026 /* It must be either LSTOKEN_STRING or LSTOKEN_NUMBER. */
2027 if (token
.type
== LSTOKEN_STRING
&& *LS_TOKEN_STOKEN (token
).ptr
== '*')
2031 /* User specified an expression, *EXPR. */
2032 copy
= expr
= copy_token_string (token
);
2033 cleanup
= make_cleanup (xfree
, expr
);
2034 PARSER_RESULT (parser
)->expr_pc
= linespec_expression_to_pc (©
);
2035 discard_cleanups (cleanup
);
2036 PARSER_RESULT (parser
)->expression
= expr
;
2038 /* This is a little hacky/tricky. If linespec_expression_to_pc
2039 did not evaluate the entire token, then we must find the
2040 string COPY inside the original token buffer. */
2043 PARSER_STREAM (parser
) = strstr (parser
->lexer
.saved_arg
, copy
);
2044 gdb_assert (PARSER_STREAM (parser
) != NULL
);
2047 /* Consume the token. */
2048 linespec_lexer_consume_token (parser
);
2050 goto convert_to_sals
;
2052 else if (token
.type
== LSTOKEN_STRING
&& *LS_TOKEN_STOKEN (token
).ptr
== '$')
2056 /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
2057 VEC_safe_push (symtab_p
, PARSER_RESULT (parser
)->file_symtabs
, NULL
);
2059 /* User specified a convenience variable or history value. */
2060 var
= copy_token_string (token
);
2061 cleanup
= make_cleanup (xfree
, var
);
2062 PARSER_RESULT (parser
)->line_offset
2063 = linespec_parse_variable (PARSER_STATE (parser
), var
);
2065 /* If a line_offset wasn't found (VAR is the name of a user
2066 variable/function), then skip to normal symbol processing. */
2067 if (PARSER_RESULT (parser
)->line_offset
.sign
!= LINE_OFFSET_UNKNOWN
)
2069 discard_cleanups (cleanup
);
2071 /* Consume this token. */
2072 linespec_lexer_consume_token (parser
);
2074 goto convert_to_sals
;
2077 do_cleanups (cleanup
);
2079 else if (token
.type
!= LSTOKEN_STRING
&& token
.type
!= LSTOKEN_NUMBER
)
2080 unexpected_linespec_error (parser
);
2082 /* Shortcut: If the next token is not LSTOKEN_COLON, we know that
2083 this token cannot represent a filename. */
2084 token
= linespec_lexer_peek_token (parser
);
2086 if (token
.type
== LSTOKEN_COLON
)
2088 char *user_filename
;
2090 /* Get the current token again and extract the filename. */
2091 token
= linespec_lexer_lex_one (parser
);
2092 user_filename
= copy_token_string (token
);
2094 /* Check if the input is a filename. */
2095 TRY_CATCH (file_exception
, RETURN_MASK_ERROR
)
2097 PARSER_RESULT (parser
)->file_symtabs
2098 = symtabs_from_filename (user_filename
);
2101 if (file_exception
.reason
>= 0)
2103 /* Symtabs were found for the file. Record the filename. */
2104 PARSER_RESULT (parser
)->source_filename
= user_filename
;
2106 /* Get the next token. */
2107 token
= linespec_lexer_consume_token (parser
);
2109 /* This is LSTOKEN_COLON; consume it. */
2110 linespec_lexer_consume_token (parser
);
2114 /* No symtabs found -- discard user_filename. */
2115 xfree (user_filename
);
2117 /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
2118 VEC_safe_push (symtab_p
, PARSER_RESULT (parser
)->file_symtabs
, NULL
);
2121 /* If the next token is not EOI, KEYWORD, or COMMA, issue an error. */
2122 else if (token
.type
!= LSTOKEN_EOI
&& token
.type
!= LSTOKEN_KEYWORD
2123 && token
.type
!= LSTOKEN_COMMA
)
2125 /* TOKEN is the _next_ token, not the one currently in the parser.
2126 Consuming the token will give the correct error message. */
2127 linespec_lexer_consume_token (parser
);
2128 unexpected_linespec_error (parser
);
2132 /* A NULL entry means to use GLOBAL_DEFAULT_SYMTAB. */
2133 VEC_safe_push (symtab_p
, PARSER_RESULT (parser
)->file_symtabs
, NULL
);
2136 /* Parse the rest of the linespec. */
2137 linespec_parse_basic (parser
);
2139 if (PARSER_RESULT (parser
)->function_symbols
== NULL
2140 && PARSER_RESULT (parser
)->labels
.label_symbols
== NULL
2141 && PARSER_RESULT (parser
)->line_offset
.sign
== LINE_OFFSET_UNKNOWN
2142 && PARSER_RESULT (parser
)->minimal_symbols
== NULL
)
2144 /* The linespec didn't parse. Re-throw the file exception if
2146 if (file_exception
.reason
< 0)
2147 throw_exception (file_exception
);
2149 /* Otherwise, the symbol is not found. */
2150 symbol_not_found_error (PARSER_RESULT (parser
)->function_name
,
2151 PARSER_RESULT (parser
)->source_filename
);
2156 /* Get the last token and record how much of the input was parsed,
2158 token
= linespec_lexer_lex_one (parser
);
2159 if (token
.type
!= LSTOKEN_EOI
&& token
.type
!= LSTOKEN_KEYWORD
)
2160 PARSER_STREAM (parser
) = LS_TOKEN_STOKEN (token
).ptr
;
2162 /* Convert the data in PARSER_RESULT to SALs. */
2163 values
= convert_linespec_to_sals (PARSER_STATE (parser
),
2164 PARSER_RESULT (parser
));
2170 /* A constructor for linespec_state. */
2173 linespec_state_constructor (struct linespec_state
*self
,
2174 int flags
, const struct language_defn
*language
,
2175 struct symtab
*default_symtab
,
2177 struct linespec_result
*canonical
)
2179 memset (self
, 0, sizeof (*self
));
2180 self
->language
= language
;
2181 self
->funfirstline
= (flags
& DECODE_LINE_FUNFIRSTLINE
) ? 1 : 0;
2182 self
->list_mode
= (flags
& DECODE_LINE_LIST_MODE
) ? 1 : 0;
2183 self
->default_symtab
= default_symtab
;
2184 self
->default_line
= default_line
;
2185 self
->canonical
= canonical
;
2186 self
->program_space
= current_program_space
;
2187 self
->addr_set
= htab_create_alloc (10, hash_address_entry
, eq_address_entry
,
2188 xfree
, xcalloc
, xfree
);
2191 /* Initialize a new linespec parser. */
2194 linespec_parser_new (linespec_parser
*parser
,
2195 int flags
, const struct language_defn
*language
,
2196 struct symtab
*default_symtab
,
2198 struct linespec_result
*canonical
)
2200 parser
->lexer
.current
.type
= LSTOKEN_CONSUMED
;
2201 memset (PARSER_RESULT (parser
), 0, sizeof (struct linespec
));
2202 PARSER_RESULT (parser
)->line_offset
.sign
= LINE_OFFSET_UNKNOWN
;
2203 linespec_state_constructor (PARSER_STATE (parser
), flags
, language
,
2204 default_symtab
, default_line
, canonical
);
2207 /* A destructor for linespec_state. */
2210 linespec_state_destructor (struct linespec_state
*self
)
2212 htab_delete (self
->addr_set
);
2215 /* Delete a linespec parser. */
2218 linespec_parser_delete (void *arg
)
2220 linespec_parser
*parser
= (linespec_parser
*) arg
;
2222 if (PARSER_RESULT (parser
)->expression
)
2223 xfree (PARSER_RESULT (parser
)->expression
);
2224 if (PARSER_RESULT (parser
)->source_filename
)
2225 xfree (PARSER_RESULT (parser
)->source_filename
);
2226 if (PARSER_RESULT (parser
)->label_name
)
2227 xfree (PARSER_RESULT (parser
)->label_name
);
2228 if (PARSER_RESULT (parser
)->function_name
)
2229 xfree (PARSER_RESULT (parser
)->function_name
);
2231 if (PARSER_RESULT (parser
)->file_symtabs
!= NULL
)
2232 VEC_free (symtab_p
, PARSER_RESULT (parser
)->file_symtabs
);
2234 if (PARSER_RESULT (parser
)->function_symbols
!= NULL
)
2235 VEC_free (symbolp
, PARSER_RESULT (parser
)->function_symbols
);
2237 if (PARSER_RESULT (parser
)->minimal_symbols
!= NULL
)
2238 VEC_free (minsym_and_objfile_d
, PARSER_RESULT (parser
)->minimal_symbols
);
2240 if (PARSER_RESULT (parser
)->labels
.label_symbols
!= NULL
)
2241 VEC_free (symbolp
, PARSER_RESULT (parser
)->labels
.label_symbols
);
2243 if (PARSER_RESULT (parser
)->labels
.function_symbols
!= NULL
)
2244 VEC_free (symbolp
, PARSER_RESULT (parser
)->labels
.function_symbols
);
2246 linespec_state_destructor (PARSER_STATE (parser
));
2249 /* See linespec.h. */
2252 decode_line_full (char **argptr
, int flags
,
2253 struct symtab
*default_symtab
,
2254 int default_line
, struct linespec_result
*canonical
,
2255 const char *select_mode
,
2258 struct symtabs_and_lines result
;
2259 struct cleanup
*cleanups
;
2260 char *arg_start
= *argptr
;
2261 VEC (const_char_ptr
) *filters
= NULL
;
2262 linespec_parser parser
;
2263 struct linespec_state
*state
;
2265 gdb_assert (canonical
!= NULL
);
2266 /* The filter only makes sense for 'all'. */
2267 gdb_assert (filter
== NULL
|| select_mode
== multiple_symbols_all
);
2268 gdb_assert (select_mode
== NULL
2269 || select_mode
== multiple_symbols_all
2270 || select_mode
== multiple_symbols_ask
2271 || select_mode
== multiple_symbols_cancel
);
2272 gdb_assert ((flags
& DECODE_LINE_LIST_MODE
) == 0);
2274 linespec_parser_new (&parser
, flags
, current_language
, default_symtab
,
2275 default_line
, canonical
);
2276 cleanups
= make_cleanup (linespec_parser_delete
, &parser
);
2277 save_current_program_space ();
2279 result
= parse_linespec (&parser
, argptr
);
2280 state
= PARSER_STATE (&parser
);
2282 gdb_assert (result
.nelts
== 1 || canonical
->pre_expanded
);
2283 gdb_assert (canonical
->addr_string
!= NULL
);
2284 canonical
->pre_expanded
= 1;
2286 /* Fill in the missing canonical names. */
2287 if (result
.nelts
> 0)
2291 if (state
->canonical_names
== NULL
)
2292 state
->canonical_names
= xcalloc (result
.nelts
, sizeof (char *));
2293 make_cleanup (xfree
, state
->canonical_names
);
2294 for (i
= 0; i
< result
.nelts
; ++i
)
2296 if (state
->canonical_names
[i
] == NULL
)
2297 state
->canonical_names
[i
] = savestring (arg_start
,
2298 *argptr
- arg_start
);
2299 make_cleanup (xfree
, state
->canonical_names
[i
]);
2303 if (select_mode
== NULL
)
2305 if (ui_out_is_mi_like_p (interp_ui_out (top_level_interpreter ())))
2306 select_mode
= multiple_symbols_all
;
2308 select_mode
= multiple_symbols_select_mode ();
2311 if (select_mode
== multiple_symbols_all
)
2315 make_cleanup (VEC_cleanup (const_char_ptr
), &filters
);
2316 VEC_safe_push (const_char_ptr
, filters
, filter
);
2317 filter_results (state
, &result
, filters
);
2320 convert_results_to_lsals (state
, &result
);
2323 decode_line_2 (state
, &result
, select_mode
);
2325 do_cleanups (cleanups
);
2328 struct symtabs_and_lines
2329 decode_line_1 (char **argptr
, int flags
,
2330 struct symtab
*default_symtab
,
2333 struct symtabs_and_lines result
;
2334 linespec_parser parser
;
2335 struct cleanup
*cleanups
;
2337 linespec_parser_new (&parser
, flags
, current_language
, default_symtab
,
2338 default_line
, NULL
);
2339 cleanups
= make_cleanup (linespec_parser_delete
, &parser
);
2340 save_current_program_space ();
2342 result
= parse_linespec (&parser
, argptr
);
2344 do_cleanups (cleanups
);
2350 /* First, some functions to initialize stuff at the beggining of the
2354 initialize_defaults (struct symtab
**default_symtab
, int *default_line
)
2356 if (*default_symtab
== 0)
2358 /* Use whatever we have for the default source line. We don't use
2359 get_current_or_default_symtab_and_line as it can recurse and call
2361 struct symtab_and_line cursal
=
2362 get_current_source_symtab_and_line ();
2364 *default_symtab
= cursal
.symtab
;
2365 *default_line
= cursal
.line
;
2371 /* Evaluate the expression pointed to by EXP_PTR into a CORE_ADDR,
2372 advancing EXP_PTR past any parsed text. */
2375 linespec_expression_to_pc (char **exp_ptr
)
2377 if (current_program_space
->executing_startup
)
2378 /* The error message doesn't really matter, because this case
2379 should only hit during breakpoint reset. */
2380 throw_error (NOT_FOUND_ERROR
, _("cannot evaluate expressions while "
2381 "program space is in startup"));
2384 return value_as_address (parse_to_comma_and_eval (exp_ptr
));
2389 /* Here's where we recognise an Objective-C Selector. An Objective C
2390 selector may be implemented by more than one class, therefore it
2391 may represent more than one method/function. This gives us a
2392 situation somewhat analogous to C++ overloading. If there's more
2393 than one method that could represent the selector, then use some of
2394 the existing C++ code to let the user choose one. */
2396 static struct symtabs_and_lines
2397 decode_objc (struct linespec_state
*self
, linespec_p ls
, char **argptr
)
2399 struct collect_info info
;
2400 VEC (const_char_ptr
) *symbol_names
= NULL
;
2401 struct symtabs_and_lines values
;
2403 struct cleanup
*cleanup
= make_cleanup (VEC_cleanup (const_char_ptr
),
2407 info
.file_symtabs
= NULL
;
2408 VEC_safe_push (symtab_p
, info
.file_symtabs
, NULL
);
2409 make_cleanup (VEC_cleanup (symtab_p
), &info
.file_symtabs
);
2410 info
.result
.symbols
= NULL
;
2411 info
.result
.minimal_symbols
= NULL
;
2415 new_argptr
= find_imps (*argptr
, &symbol_names
);
2416 if (VEC_empty (const_char_ptr
, symbol_names
))
2418 do_cleanups (cleanup
);
2422 add_all_symbol_names_from_pspace (&info
, NULL
, symbol_names
);
2424 if (!VEC_empty (symbolp
, info
.result
.symbols
)
2425 || !VEC_empty (minsym_and_objfile_d
, info
.result
.minimal_symbols
))
2429 saved_arg
= alloca (new_argptr
- *argptr
+ 1);
2430 memcpy (saved_arg
, *argptr
, new_argptr
- *argptr
);
2431 saved_arg
[new_argptr
- *argptr
] = '\0';
2433 ls
->function_symbols
= info
.result
.symbols
;
2434 ls
->minimal_symbols
= info
.result
.minimal_symbols
;
2435 values
= convert_linespec_to_sals (self
, ls
);
2437 if (self
->canonical
)
2439 self
->canonical
->pre_expanded
= 1;
2440 if (ls
->source_filename
)
2441 self
->canonical
->addr_string
2442 = xstrprintf ("%s:%s", ls
->source_filename
, saved_arg
);
2444 self
->canonical
->addr_string
= xstrdup (saved_arg
);
2448 *argptr
= new_argptr
;
2450 do_cleanups (cleanup
);
2455 /* An instance of this type is used when collecting prefix symbols for
2458 struct decode_compound_collector
2460 /* The result vector. */
2461 VEC (symbolp
) *symbols
;
2463 /* A hash table of all symbols we found. We use this to avoid
2464 adding any symbol more than once. */
2468 /* A callback for iterate_over_symbols that is used by
2469 lookup_prefix_sym to collect type symbols. */
2472 collect_one_symbol (struct symbol
*sym
, void *d
)
2474 struct decode_compound_collector
*collector
= d
;
2478 if (SYMBOL_CLASS (sym
) != LOC_TYPEDEF
)
2479 return 1; /* Continue iterating. */
2481 t
= SYMBOL_TYPE (sym
);
2483 if (TYPE_CODE (t
) != TYPE_CODE_STRUCT
2484 && TYPE_CODE (t
) != TYPE_CODE_UNION
2485 && TYPE_CODE (t
) != TYPE_CODE_NAMESPACE
)
2486 return 1; /* Continue iterating. */
2488 slot
= htab_find_slot (collector
->unique_syms
, sym
, INSERT
);
2492 VEC_safe_push (symbolp
, collector
->symbols
, sym
);
2495 return 1; /* Continue iterating. */
2498 /* Return any symbols corresponding to CLASS_NAME in FILE_SYMTABS. */
2500 static VEC (symbolp
) *
2501 lookup_prefix_sym (struct linespec_state
*state
, VEC (symtab_p
) *file_symtabs
,
2502 const char *class_name
)
2506 struct decode_compound_collector collector
;
2507 struct cleanup
*outer
;
2508 struct cleanup
*cleanup
;
2510 collector
.symbols
= NULL
;
2511 outer
= make_cleanup (VEC_cleanup (symbolp
), &collector
.symbols
);
2513 collector
.unique_syms
= htab_create_alloc (1, htab_hash_pointer
,
2514 htab_eq_pointer
, NULL
,
2516 cleanup
= make_cleanup_htab_delete (collector
.unique_syms
);
2518 for (ix
= 0; VEC_iterate (symtab_p
, file_symtabs
, ix
, elt
); ++ix
)
2522 iterate_over_all_matching_symtabs (state
, class_name
, STRUCT_DOMAIN
,
2523 collect_one_symbol
, &collector
,
2525 iterate_over_all_matching_symtabs (state
, class_name
, VAR_DOMAIN
,
2526 collect_one_symbol
, &collector
,
2531 struct block
*search_block
;
2533 /* Program spaces that are executing startup should have
2534 been filtered out earlier. */
2535 gdb_assert (!SYMTAB_PSPACE (elt
)->executing_startup
);
2536 set_current_program_space (SYMTAB_PSPACE (elt
));
2537 search_block
= get_search_block (elt
);
2538 LA_ITERATE_OVER_SYMBOLS (search_block
, class_name
, STRUCT_DOMAIN
,
2539 collect_one_symbol
, &collector
);
2540 LA_ITERATE_OVER_SYMBOLS (search_block
, class_name
, VAR_DOMAIN
,
2541 collect_one_symbol
, &collector
);
2545 do_cleanups (cleanup
);
2546 discard_cleanups (outer
);
2547 return collector
.symbols
;
2550 /* A qsort comparison function for symbols. The resulting order does
2551 not actually matter; we just need to be able to sort them so that
2552 symbols with the same program space end up next to each other. */
2555 compare_symbols (const void *a
, const void *b
)
2557 struct symbol
* const *sa
= a
;
2558 struct symbol
* const *sb
= b
;
2561 uia
= (uintptr_t) SYMTAB_PSPACE (SYMBOL_SYMTAB (*sa
));
2562 uib
= (uintptr_t) SYMTAB_PSPACE (SYMBOL_SYMTAB (*sb
));
2569 uia
= (uintptr_t) *sa
;
2570 uib
= (uintptr_t) *sb
;
2580 /* Like compare_symbols but for minimal symbols. */
2583 compare_msymbols (const void *a
, const void *b
)
2585 const struct minsym_and_objfile
*sa
= a
;
2586 const struct minsym_and_objfile
*sb
= b
;
2589 uia
= (uintptr_t) sa
->objfile
->pspace
;
2590 uib
= (uintptr_t) sa
->objfile
->pspace
;
2597 uia
= (uintptr_t) sa
->minsym
;
2598 uib
= (uintptr_t) sb
->minsym
;
2608 /* Look for all the matching instances of each symbol in NAMES. Only
2609 instances from PSPACE are considered; other program spaces are
2610 handled by our caller. If PSPACE is NULL, then all program spaces
2611 are considered. Results are stored into INFO. */
2614 add_all_symbol_names_from_pspace (struct collect_info
*info
,
2615 struct program_space
*pspace
,
2616 VEC (const_char_ptr
) *names
)
2621 for (ix
= 0; VEC_iterate (const_char_ptr
, names
, ix
, iter
); ++ix
)
2622 add_matching_symbols_to_info (iter
, info
, pspace
);
2626 find_superclass_methods (VEC (typep
) *superclasses
,
2628 VEC (const_char_ptr
) **result_names
)
2630 int old_len
= VEC_length (const_char_ptr
, *result_names
);
2631 VEC (typep
) *iter_classes
;
2632 struct cleanup
*cleanup
= make_cleanup (null_cleanup
, NULL
);
2634 iter_classes
= superclasses
;
2637 VEC (typep
) *new_supers
= NULL
;
2641 make_cleanup (VEC_cleanup (typep
), &new_supers
);
2642 for (ix
= 0; VEC_iterate (typep
, iter_classes
, ix
, t
); ++ix
)
2643 find_methods (t
, name
, result_names
, &new_supers
);
2645 if (VEC_length (const_char_ptr
, *result_names
) != old_len
2646 || VEC_empty (typep
, new_supers
))
2649 iter_classes
= new_supers
;
2652 do_cleanups (cleanup
);
2655 /* This finds the method METHOD_NAME in the class CLASS_NAME whose type is
2656 given by one of the symbols in SYM_CLASSES. Matches are returned
2657 in SYMBOLS (for debug symbols) and MINSYMS (for minimal symbols). */
2660 find_method (struct linespec_state
*self
, VEC (symtab_p
) *file_symtabs
,
2661 const char *class_name
, const char *method_name
,
2662 VEC (symbolp
) *sym_classes
, VEC (symbolp
) **symbols
,
2663 VEC (minsym_and_objfile_d
) **minsyms
)
2666 struct cleanup
*cleanup
= make_cleanup (null_cleanup
, NULL
);
2668 int last_result_len
;
2669 VEC (typep
) *superclass_vec
;
2670 VEC (const_char_ptr
) *result_names
;
2671 struct collect_info info
;
2673 /* Sort symbols so that symbols with the same program space are next
2675 qsort (VEC_address (symbolp
, sym_classes
),
2676 VEC_length (symbolp
, sym_classes
),
2681 info
.file_symtabs
= file_symtabs
;
2682 info
.result
.symbols
= NULL
;
2683 info
.result
.minimal_symbols
= NULL
;
2685 /* Iterate over all the types, looking for the names of existing
2686 methods matching METHOD_NAME. If we cannot find a direct method in a
2687 given program space, then we consider inherited methods; this is
2688 not ideal (ideal would be to respect C++ hiding rules), but it
2689 seems good enough and is what GDB has historically done. We only
2690 need to collect the names because later we find all symbols with
2691 those names. This loop is written in a somewhat funny way
2692 because we collect data across the program space before deciding
2694 superclass_vec
= NULL
;
2695 make_cleanup (VEC_cleanup (typep
), &superclass_vec
);
2696 result_names
= NULL
;
2697 make_cleanup (VEC_cleanup (const_char_ptr
), &result_names
);
2698 last_result_len
= 0;
2699 for (ix
= 0; VEC_iterate (symbolp
, sym_classes
, ix
, sym
); ++ix
)
2702 struct program_space
*pspace
;
2704 /* Program spaces that are executing startup should have
2705 been filtered out earlier. */
2706 gdb_assert (!SYMTAB_PSPACE (SYMBOL_SYMTAB (sym
))->executing_startup
);
2707 pspace
= SYMTAB_PSPACE (SYMBOL_SYMTAB (sym
));
2708 set_current_program_space (pspace
);
2709 t
= check_typedef (SYMBOL_TYPE (sym
));
2710 find_methods (t
, method_name
, &result_names
, &superclass_vec
);
2712 /* Handle all items from a single program space at once; and be
2713 sure not to miss the last batch. */
2714 if (ix
== VEC_length (symbolp
, sym_classes
) - 1
2716 != SYMTAB_PSPACE (SYMBOL_SYMTAB (VEC_index (symbolp
, sym_classes
,
2719 /* If we did not find a direct implementation anywhere in
2720 this program space, consider superclasses. */
2721 if (VEC_length (const_char_ptr
, result_names
) == last_result_len
)
2722 find_superclass_methods (superclass_vec
, method_name
,
2725 /* We have a list of candidate symbol names, so now we
2726 iterate over the symbol tables looking for all
2727 matches in this pspace. */
2728 add_all_symbol_names_from_pspace (&info
, pspace
, result_names
);
2730 VEC_truncate (typep
, superclass_vec
, 0);
2731 last_result_len
= VEC_length (const_char_ptr
, result_names
);
2735 if (!VEC_empty (symbolp
, info
.result
.symbols
)
2736 || !VEC_empty (minsym_and_objfile_d
, info
.result
.minimal_symbols
))
2738 *symbols
= info
.result
.symbols
;
2739 *minsyms
= info
.result
.minimal_symbols
;
2740 do_cleanups (cleanup
);
2744 /* Throw an NOT_FOUND_ERROR. This will be caught by the caller
2745 and other attempts to locate the symbol will be made. */
2746 throw_error (NOT_FOUND_ERROR
, _("see caller, this text doesn't matter"));
2751 /* This object is used when collecting all matching symtabs. */
2753 struct symtab_collector
2755 /* The result vector of symtabs. */
2756 VEC (symtab_p
) *symtabs
;
2758 /* This is used to ensure the symtabs are unique. */
2759 htab_t symtab_table
;
2762 /* Callback for iterate_over_symtabs. */
2765 add_symtabs_to_list (struct symtab
*symtab
, void *d
)
2767 struct symtab_collector
*data
= d
;
2770 slot
= htab_find_slot (data
->symtab_table
, symtab
, INSERT
);
2774 VEC_safe_push (symtab_p
, data
->symtabs
, symtab
);
2780 /* Given a file name, return a VEC of all matching symtabs. */
2782 static VEC (symtab_p
) *
2783 collect_symtabs_from_filename (const char *file
)
2785 struct symtab_collector collector
;
2786 struct cleanup
*cleanups
;
2787 struct program_space
*pspace
;
2789 collector
.symtabs
= NULL
;
2790 collector
.symtab_table
= htab_create (1, htab_hash_pointer
, htab_eq_pointer
,
2792 cleanups
= make_cleanup_htab_delete (collector
.symtab_table
);
2794 /* Find that file's data. */
2795 ALL_PSPACES (pspace
)
2797 if (pspace
->executing_startup
)
2800 set_current_program_space (pspace
);
2801 iterate_over_symtabs (file
, add_symtabs_to_list
, &collector
);
2804 do_cleanups (cleanups
);
2805 return collector
.symtabs
;
2808 /* Return all the symtabs associated to the FILENAME. */
2810 static VEC (symtab_p
) *
2811 symtabs_from_filename (const char *filename
)
2813 VEC (symtab_p
) *result
;
2815 result
= collect_symtabs_from_filename (filename
);
2817 if (VEC_empty (symtab_p
, result
))
2819 if (!have_full_symbols () && !have_partial_symbols ())
2820 throw_error (NOT_FOUND_ERROR
,
2821 _("No symbol table is loaded. "
2822 "Use the \"file\" command."));
2823 throw_error (NOT_FOUND_ERROR
, _("No source file named %s."), filename
);
2829 /* Look up a function symbol named NAME in symtabs FILE_SYMTABS. Matching
2830 debug symbols are returned in SYMBOLS. Matching minimal symbols are
2831 returned in MINSYMS. */
2834 find_function_symbols (struct linespec_state
*state
,
2835 VEC (symtab_p
) *file_symtabs
, const char *name
,
2836 VEC (symbolp
) **symbols
,
2837 VEC (minsym_and_objfile_d
) **minsyms
)
2839 struct collect_info info
;
2840 VEC (const_char_ptr
) *symbol_names
= NULL
;
2841 struct cleanup
*cleanup
= make_cleanup (VEC_cleanup (const_char_ptr
),
2845 info
.result
.symbols
= NULL
;
2846 info
.result
.minimal_symbols
= NULL
;
2847 info
.file_symtabs
= file_symtabs
;
2849 /* Try NAME as an Objective-C selector. */
2850 find_imps ((char *) name
, &symbol_names
);
2851 if (!VEC_empty (const_char_ptr
, symbol_names
))
2852 add_all_symbol_names_from_pspace (&info
, NULL
, symbol_names
);
2854 add_matching_symbols_to_info (name
, &info
, NULL
);
2856 do_cleanups (cleanup
);
2858 if (VEC_empty (symbolp
, info
.result
.symbols
))
2860 VEC_free (symbolp
, info
.result
.symbols
);
2864 *symbols
= info
.result
.symbols
;
2866 if (VEC_empty (minsym_and_objfile_d
, info
.result
.minimal_symbols
))
2868 VEC_free (minsym_and_objfile_d
, info
.result
.minimal_symbols
);
2872 *minsyms
= info
.result
.minimal_symbols
;
2875 /* Find all symbols named NAME in FILE_SYMTABS, returning debug symbols
2876 in SYMBOLS and minimal symbols in MINSYMS. */
2879 find_linespec_symbols (struct linespec_state
*state
,
2880 VEC (symtab_p
) *file_symtabs
,
2882 VEC (symbolp
) **symbols
,
2883 VEC (minsym_and_objfile_d
) **minsyms
)
2885 char *klass
, *method
, *canon
;
2886 const char *lookup_name
, *last
, *p
, *scope_op
;
2887 struct cleanup
*cleanup
;
2888 VEC (symbolp
) *classes
;
2889 volatile struct gdb_exception except
;
2891 cleanup
= demangle_for_lookup (name
, state
->language
->la_language
,
2893 if (state
->language
->la_language
== language_ada
)
2895 /* In Ada, the symbol lookups are performed using the encoded
2896 name rather than the demangled name. */
2897 lookup_name
= ada_name_for_lookup (name
);
2898 make_cleanup (xfree
, (void *) lookup_name
);
2901 canon
= cp_canonicalize_string_no_typedefs (lookup_name
);
2904 lookup_name
= canon
;
2905 cleanup
= make_cleanup (xfree
, canon
);
2908 /* See if we can find a scope operator and break this symbol
2909 name into namespaces${SCOPE_OPERATOR}class_name and method_name. */
2911 p
= find_toplevel_string (lookup_name
, scope_op
);
2914 /* No C++ scope operator. Try Java. */
2916 p
= find_toplevel_string (lookup_name
, scope_op
);
2923 p
= find_toplevel_string (p
+ strlen (scope_op
), scope_op
);
2926 /* If no scope operator was found, lookup the name as a symbol. */
2929 find_function_symbols (state
, file_symtabs
, lookup_name
,
2931 do_cleanups (cleanup
);
2935 /* NAME points to the class name.
2936 LAST points to the method name. */
2937 klass
= xmalloc ((last
- lookup_name
+ 1) * sizeof (char));
2938 make_cleanup (xfree
, klass
);
2939 strncpy (klass
, lookup_name
, last
- lookup_name
);
2940 klass
[last
- lookup_name
] = '\0';
2942 /* Skip past the scope operator. */
2943 last
+= strlen (scope_op
);
2944 method
= xmalloc ((strlen (last
) + 1) * sizeof (char));
2945 make_cleanup (xfree
, method
);
2946 strcpy (method
, last
);
2948 /* Find a list of classes named KLASS. */
2949 classes
= lookup_prefix_sym (state
, file_symtabs
, klass
);
2950 make_cleanup (VEC_cleanup (symbolp
), &classes
);
2951 if (!VEC_empty (symbolp
, classes
))
2953 /* Now locate a list of suitable methods named METHOD. */
2954 TRY_CATCH (except
, RETURN_MASK_ERROR
)
2956 find_method (state
, file_symtabs
, klass
, method
, classes
,
2960 /* If successful, we're done. If NOT_FOUND_ERROR
2961 was not thrown, rethrow the exception that we did get.
2962 Otherwise, fall back to looking up the entire name as a symbol.
2963 This can happen with namespace::function. */
2964 if (except
.reason
>= 0)
2966 do_cleanups (cleanup
);
2969 else if (except
.error
!= NOT_FOUND_ERROR
)
2970 throw_exception (except
);
2973 /* We couldn't find a class, so we check the entire name as a symbol
2975 find_function_symbols (state
, file_symtabs
, lookup_name
, symbols
, minsyms
);
2976 do_cleanups (cleanup
);
2979 /* Return all labels named NAME in FUNCTION_SYMBOLS. Return the
2980 actual function symbol in which the label was found in LABEL_FUNC_RET. */
2982 static VEC (symbolp
) *
2983 find_label_symbols (struct linespec_state
*self
,
2984 VEC (symbolp
) *function_symbols
,
2985 VEC (symbolp
) **label_funcs_ret
, const char *name
)
2988 struct block
*block
;
2990 struct symbol
*fn_sym
;
2991 VEC (symbolp
) *result
= NULL
;
2993 if (function_symbols
== NULL
)
2995 set_current_program_space (self
->program_space
);
2996 block
= get_search_block (NULL
);
2999 block
&& !BLOCK_FUNCTION (block
);
3000 block
= BLOCK_SUPERBLOCK (block
))
3004 fn_sym
= BLOCK_FUNCTION (block
);
3006 sym
= lookup_symbol (name
, block
, LABEL_DOMAIN
, 0);
3010 VEC_safe_push (symbolp
, result
, sym
);
3011 VEC_safe_push (symbolp
, *label_funcs_ret
, fn_sym
);
3017 VEC_iterate (symbolp
, function_symbols
, ix
, fn_sym
); ++ix
)
3019 set_current_program_space (SYMTAB_PSPACE (SYMBOL_SYMTAB (fn_sym
)));
3020 block
= SYMBOL_BLOCK_VALUE (fn_sym
);
3021 sym
= lookup_symbol (name
, block
, LABEL_DOMAIN
, 0);
3025 VEC_safe_push (symbolp
, result
, sym
);
3026 VEC_safe_push (symbolp
, *label_funcs_ret
, fn_sym
);
3036 /* A helper for create_sals_line_offset that handles the 'list_mode' case. */
3039 decode_digits_list_mode (struct linespec_state
*self
,
3041 struct symtabs_and_lines
*values
,
3042 struct symtab_and_line val
)
3047 gdb_assert (self
->list_mode
);
3049 for (ix
= 0; VEC_iterate (symtab_p
, ls
->file_symtabs
, ix
, elt
);
3052 /* The logic above should ensure this. */
3053 gdb_assert (elt
!= NULL
);
3055 set_current_program_space (SYMTAB_PSPACE (elt
));
3057 /* Simplistic search just for the list command. */
3058 val
.symtab
= find_line_symtab (elt
, val
.line
, NULL
, NULL
);
3059 if (val
.symtab
== NULL
)
3061 val
.pspace
= SYMTAB_PSPACE (elt
);
3063 val
.explicit_line
= 1;
3065 add_sal_to_sals (self
, values
, &val
, NULL
);
3069 /* A helper for create_sals_line_offset that iterates over the symtabs,
3070 adding lines to the VEC. */
3073 decode_digits_ordinary (struct linespec_state
*self
,
3076 struct symtabs_and_lines
*sals
,
3077 struct linetable_entry
**best_entry
)
3082 for (ix
= 0; VEC_iterate (symtab_p
, ls
->file_symtabs
, ix
, elt
); ++ix
)
3085 VEC (CORE_ADDR
) *pcs
;
3088 /* The logic above should ensure this. */
3089 gdb_assert (elt
!= NULL
);
3091 set_current_program_space (SYMTAB_PSPACE (elt
));
3093 pcs
= find_pcs_for_symtab_line (elt
, line
, best_entry
);
3094 for (i
= 0; VEC_iterate (CORE_ADDR
, pcs
, i
, pc
); ++i
)
3096 struct symtab_and_line sal
;
3099 sal
.pspace
= SYMTAB_PSPACE (elt
);
3103 add_sal_to_sals_basic (sals
, &sal
);
3106 VEC_free (CORE_ADDR
, pcs
);
3112 /* Return the line offset represented by VARIABLE. */
3114 static struct line_offset
3115 linespec_parse_variable (struct linespec_state
*self
, const char *variable
)
3119 struct line_offset offset
= {0, LINE_OFFSET_NONE
};
3121 p
= (variable
[1] == '$') ? variable
+ 2 : variable
+ 1;
3124 while (*p
>= '0' && *p
<= '9')
3126 if (!*p
) /* Reached end of token without hitting non-digit. */
3128 /* We have a value history reference. */
3129 struct value
*val_history
;
3131 sscanf ((variable
[1] == '$') ? variable
+ 2 : variable
+ 1, "%d", &index
);
3133 = access_value_history ((variable
[1] == '$') ? -index
: index
);
3134 if (TYPE_CODE (value_type (val_history
)) != TYPE_CODE_INT
)
3135 error (_("History values used in line "
3136 "specs must have integer values."));
3137 offset
.offset
= value_as_long (val_history
);
3141 /* Not all digits -- may be user variable/function or a
3142 convenience variable. */
3144 struct internalvar
*ivar
;
3146 /* Try it as a convenience variable. If it is not a convenience
3147 variable, return and allow normal symbol lookup to occur. */
3148 ivar
= lookup_only_internalvar (variable
+ 1);
3150 /* No internal variable with that name. Mark the offset
3151 as unknown to allow the name to be looked up as a symbol. */
3152 offset
.sign
= LINE_OFFSET_UNKNOWN
;
3155 /* We found a valid variable name. If it is not an integer,
3157 if (!get_internalvar_integer (ivar
, &valx
))
3158 error (_("Convenience variables used in line "
3159 "specs must have integer values."));
3161 offset
.offset
= valx
;
3169 /* A callback used to possibly add a symbol to the results. */
3172 collect_symbols (struct symbol
*sym
, void *data
)
3174 struct collect_info
*info
= data
;
3176 /* In list mode, add all matching symbols, regardless of class.
3177 This allows the user to type "list a_global_variable". */
3178 if (SYMBOL_CLASS (sym
) == LOC_BLOCK
|| info
->state
->list_mode
)
3179 VEC_safe_push (symbolp
, info
->result
.symbols
, sym
);
3180 return 1; /* Continue iterating. */
3183 /* We've found a minimal symbol MSYMBOL in OBJFILE to associate with our
3184 linespec; return the SAL in RESULT. */
3187 minsym_found (struct linespec_state
*self
, struct objfile
*objfile
,
3188 struct minimal_symbol
*msymbol
,
3189 struct symtabs_and_lines
*result
)
3191 struct gdbarch
*gdbarch
= get_objfile_arch (objfile
);
3193 struct symtab_and_line sal
;
3195 sal
= find_pc_sect_line (SYMBOL_VALUE_ADDRESS (msymbol
),
3196 (struct obj_section
*) 0, 0);
3197 sal
.section
= SYMBOL_OBJ_SECTION (msymbol
);
3199 /* The minimal symbol might point to a function descriptor;
3200 resolve it to the actual code address instead. */
3201 pc
= gdbarch_convert_from_func_ptr_addr (gdbarch
, sal
.pc
, ¤t_target
);
3203 sal
= find_pc_sect_line (pc
, NULL
, 0);
3205 if (self
->funfirstline
)
3206 skip_prologue_sal (&sal
);
3208 if (maybe_add_address (self
->addr_set
, objfile
->pspace
, sal
.pc
))
3209 add_sal_to_sals (self
, result
, &sal
, SYMBOL_NATURAL_NAME (msymbol
));
3212 /* A helper struct to pass some data through
3213 iterate_over_minimal_symbols. */
3215 struct collect_minsyms
3217 /* The objfile we're examining. */
3218 struct objfile
*objfile
;
3220 /* The funfirstline setting from the initial call. */
3223 /* The list_mode setting from the initial call. */
3226 /* The resulting symbols. */
3227 VEC (minsym_and_objfile_d
) *msyms
;
3230 /* A helper function to classify a minimal_symbol_type according to
3234 classify_mtype (enum minimal_symbol_type t
)
3241 /* Intermediate priority. */
3244 case mst_solib_trampoline
:
3245 /* Lowest priority. */
3249 /* Highest priority. */
3254 /* Callback for qsort that sorts symbols by priority. */
3257 compare_msyms (const void *a
, const void *b
)
3259 const minsym_and_objfile_d
*moa
= a
;
3260 const minsym_and_objfile_d
*mob
= b
;
3261 enum minimal_symbol_type ta
= MSYMBOL_TYPE (moa
->minsym
);
3262 enum minimal_symbol_type tb
= MSYMBOL_TYPE (mob
->minsym
);
3264 return classify_mtype (ta
) - classify_mtype (tb
);
3267 /* Callback for iterate_over_minimal_symbols that adds the symbol to
3271 add_minsym (struct minimal_symbol
*minsym
, void *d
)
3273 struct collect_minsyms
*info
= d
;
3274 minsym_and_objfile_d mo
;
3276 /* Exclude data symbols when looking for breakpoint locations. */
3277 if (!info
->list_mode
)
3278 switch (minsym
->type
)
3280 case mst_slot_got_plt
:
3287 /* Make sure this minsym is not a function descriptor
3288 before we decide to discard it. */
3289 struct gdbarch
*gdbarch
= info
->objfile
->gdbarch
;
3290 CORE_ADDR addr
= gdbarch_convert_from_func_ptr_addr
3291 (gdbarch
, SYMBOL_VALUE_ADDRESS (minsym
),
3294 if (addr
== SYMBOL_VALUE_ADDRESS (minsym
))
3300 mo
.objfile
= info
->objfile
;
3301 VEC_safe_push (minsym_and_objfile_d
, info
->msyms
, &mo
);
3304 /* Search minimal symbols in all objfiles for NAME. If SEARCH_PSPACE
3305 is not NULL, the search is restricted to just that program
3309 search_minsyms_for_name (struct collect_info
*info
, const char *name
,
3310 struct program_space
*search_pspace
)
3312 struct objfile
*objfile
;
3313 struct program_space
*pspace
;
3315 ALL_PSPACES (pspace
)
3317 struct collect_minsyms local
;
3318 struct cleanup
*cleanup
;
3320 if (search_pspace
!= NULL
&& search_pspace
!= pspace
)
3322 if (pspace
->executing_startup
)
3325 set_current_program_space (pspace
);
3327 memset (&local
, 0, sizeof (local
));
3328 local
.funfirstline
= info
->state
->funfirstline
;
3329 local
.list_mode
= info
->state
->list_mode
;
3331 cleanup
= make_cleanup (VEC_cleanup (minsym_and_objfile_d
),
3334 ALL_OBJFILES (objfile
)
3336 local
.objfile
= objfile
;
3337 iterate_over_minimal_symbols (objfile
, name
, add_minsym
, &local
);
3340 if (!VEC_empty (minsym_and_objfile_d
, local
.msyms
))
3344 minsym_and_objfile_d
*item
;
3346 qsort (VEC_address (minsym_and_objfile_d
, local
.msyms
),
3347 VEC_length (minsym_and_objfile_d
, local
.msyms
),
3348 sizeof (minsym_and_objfile_d
),
3351 /* Now the minsyms are in classification order. So, we walk
3352 over them and process just the minsyms with the same
3353 classification as the very first minsym in the list. */
3354 item
= VEC_index (minsym_and_objfile_d
, local
.msyms
, 0);
3355 classification
= classify_mtype (MSYMBOL_TYPE (item
->minsym
));
3358 VEC_iterate (minsym_and_objfile_d
, local
.msyms
, ix
, item
);
3361 if (classify_mtype (MSYMBOL_TYPE (item
->minsym
)) != classification
)
3364 VEC_safe_push (minsym_and_objfile_d
,
3365 info
->result
.minimal_symbols
, item
);
3369 do_cleanups (cleanup
);
3373 /* A helper function to add all symbols matching NAME to INFO. If
3374 PSPACE is not NULL, the search is restricted to just that program
3378 add_matching_symbols_to_info (const char *name
,
3379 struct collect_info
*info
,
3380 struct program_space
*pspace
)
3385 for (ix
= 0; VEC_iterate (symtab_p
, info
->file_symtabs
, ix
, elt
); ++ix
)
3389 iterate_over_all_matching_symtabs (info
->state
, name
, VAR_DOMAIN
,
3390 collect_symbols
, info
,
3392 search_minsyms_for_name (info
, name
, pspace
);
3394 else if (pspace
== NULL
|| pspace
== SYMTAB_PSPACE (elt
))
3396 /* Program spaces that are executing startup should have
3397 been filtered out earlier. */
3398 gdb_assert (!SYMTAB_PSPACE (elt
)->executing_startup
);
3399 set_current_program_space (SYMTAB_PSPACE (elt
));
3400 LA_ITERATE_OVER_SYMBOLS (get_search_block (elt
), name
,
3401 VAR_DOMAIN
, collect_symbols
,
3409 /* Now come some functions that are called from multiple places within
3413 symbol_to_sal (struct symtab_and_line
*result
,
3414 int funfirstline
, struct symbol
*sym
)
3416 if (SYMBOL_CLASS (sym
) == LOC_BLOCK
)
3418 *result
= find_function_start_sal (sym
, funfirstline
);
3423 if (SYMBOL_CLASS (sym
) == LOC_LABEL
&& SYMBOL_VALUE_ADDRESS (sym
) != 0)
3426 result
->symtab
= SYMBOL_SYMTAB (sym
);
3427 result
->line
= SYMBOL_LINE (sym
);
3428 result
->pc
= SYMBOL_VALUE_ADDRESS (sym
);
3429 result
->pspace
= SYMTAB_PSPACE (SYMBOL_SYMTAB (sym
));
3430 result
->explicit_pc
= 1;
3433 else if (funfirstline
)
3437 else if (SYMBOL_LINE (sym
) != 0)
3439 /* We know its line number. */
3441 result
->symtab
= SYMBOL_SYMTAB (sym
);
3442 result
->line
= SYMBOL_LINE (sym
);
3443 result
->pspace
= SYMTAB_PSPACE (SYMBOL_SYMTAB (sym
));
3451 /* See the comment in linespec.h. */
3454 init_linespec_result (struct linespec_result
*lr
)
3456 memset (lr
, 0, sizeof (*lr
));
3459 /* See the comment in linespec.h. */
3462 destroy_linespec_result (struct linespec_result
*ls
)
3465 struct linespec_sals
*lsal
;
3467 xfree (ls
->addr_string
);
3468 for (i
= 0; VEC_iterate (linespec_sals
, ls
->sals
, i
, lsal
); ++i
)
3470 xfree (lsal
->canonical
);
3471 xfree (lsal
->sals
.sals
);
3473 VEC_free (linespec_sals
, ls
->sals
);
3476 /* Cleanup function for a linespec_result. */
3479 cleanup_linespec_result (void *a
)
3481 destroy_linespec_result (a
);
3484 /* See the comment in linespec.h. */
3487 make_cleanup_destroy_linespec_result (struct linespec_result
*ls
)
3489 return make_cleanup (cleanup_linespec_result
, ls
);