1 /* Ada language support definitions for GDB, the GNU debugger.
3 Copyright (C) 1992-2019 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/>. */
20 #if !defined (ADA_LANG_H)
25 struct type_print_options;
30 #include "breakpoint.h"
31 #include "common/vec.h"
33 /* Names of specific files known to be part of the runtime
34 system and that might consider (confusing) debugging information.
35 Each name (a basic regular expression string) is followed by a
36 comma. FIXME: Should be part of a configuration file. */
37 #if defined (__linux__)
38 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
39 "^[agis]-.*\\.ad[bs]$", \
40 "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
41 "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
44 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
45 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
47 "^[agis]-.*\\.ad[bs]$",
50 /* Names of compiler-generated auxiliary functions probably of no
51 interest to users. Each name (a basic regular expression string)
52 is followed by a comma. */
53 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
54 "___clean[.$a-zA-Z0-9_]*$", \
55 "___finalizer[.$a-zA-Z0-9_]*$",
57 /* The maximum number of frame levels searched for non-local,
58 * non-global symbols. This limit exists as a precaution to prevent
59 * infinite search loops when the stack is screwed up. */
60 #define MAX_ENCLOSING_FRAME_LEVELS 7
62 /* Maximum number of steps followed in looking for the ultimate
63 referent of a renaming. This prevents certain infinite loops that
64 can otherwise result. */
65 #define MAX_RENAMING_CHAIN_LENGTH 10
69 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
78 /* Table of Ada operators in encoded and decoded forms. */
79 /* Defined in ada-lang.c */
80 extern const struct ada_opname_map ada_opname_table[];
82 /* Denotes a type of renaming symbol (see ada_parse_renaming). */
83 enum ada_renaming_category
85 /* Indicates a symbol that does not encode a renaming. */
88 /* For symbols declared
89 Foo : TYPE renamed OBJECT; */
92 /* For symbols declared
93 Foo : exception renames EXCEPTION; */
94 ADA_EXCEPTION_RENAMING,
95 /* For packages declared
96 package Foo renames PACKAGE; */
98 /* For subprograms declared
99 SUBPROGRAM_SPEC renames SUBPROGRAM;
100 (Currently not used). */
101 ADA_SUBPROGRAM_RENAMING
104 /* The different types of catchpoints that we introduced for catching
107 enum ada_exception_catchpoint_kind
110 ada_catch_exception_unhandled,
115 /* Ada task structures. */
119 /* The PTID of the thread that this task runs on. This ptid is computed
120 in a target-dependent way from the associated Task Control Block. */
123 /* The ID of the task. */
126 /* The name of the task. */
129 /* The current state of the task. */
132 /* The priority associated to the task. */
135 /* If non-zero, the task ID of the parent task. */
138 /* If the task is waiting on a task entry, this field contains
139 the ID of the other task. Zero otherwise. */
140 CORE_ADDR called_task;
142 /* If the task is accepting a rendezvous with another task, this field
143 contains the ID of the calling task. Zero otherwise. */
144 CORE_ADDR caller_task;
146 /* The CPU on which the task is running. This is dependent on
147 the runtime actually providing that info, which is not always
148 the case. Normally, we should be able to count on it on
149 bare-metal targets. */
153 /* Assuming V points to an array of S objects, make sure that it contains at
154 least M objects, updating V and S as necessary. */
156 #define GROW_VECT(v, s, m) \
157 if ((s) < (m)) (v) = (char *) grow_vect (v, &(s), m, sizeof *(v));
159 extern void *grow_vect (void *, size_t *, size_t, int);
161 extern void ada_ensure_varsize_limit (const struct type *type);
163 extern int ada_get_field_index (const struct type *type,
164 const char *field_name,
167 extern int ada_parse (struct parser_state *); /* Defined in ada-exp.y */
169 /* Defined in ada-typeprint.c */
170 extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
171 int, const struct type_print_options *);
173 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol,
174 struct ui_file *stream);
176 extern void ada_val_print (struct type *, int, CORE_ADDR,
177 struct ui_file *, int,
179 const struct value_print_options *);
181 extern void ada_value_print (struct value *, struct ui_file *,
182 const struct value_print_options *);
184 /* Defined in ada-lang.c */
186 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
188 extern void ada_printchar (int, struct type *, struct ui_file *);
190 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
191 unsigned int, const char *, int,
192 const struct value_print_options *);
194 struct value *ada_convert_actual (struct value *actual,
195 struct type *formal_type0);
197 extern bool ada_is_access_to_unconstrained_array (struct type *type);
199 extern struct value *ada_value_subscript (struct value *, int,
202 extern void ada_fixup_array_indexes_type (struct type *index_desc_type);
204 extern struct type *ada_array_element_type (struct type *, int);
206 extern int ada_array_arity (struct type *);
208 struct type *ada_type_of_array (struct value *, int);
210 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
212 struct value *ada_coerce_to_simple_array (struct value *);
214 extern int ada_is_simple_array_type (struct type *);
216 extern int ada_is_array_descriptor_type (struct type *);
218 extern int ada_is_bogus_array_descriptor (struct type *);
220 extern LONGEST ada_discrete_type_low_bound (struct type *);
222 extern LONGEST ada_discrete_type_high_bound (struct type *);
224 extern struct value *ada_get_decoded_value (struct value *value);
226 extern struct type *ada_get_decoded_type (struct type *type);
228 extern const char *ada_decode_symbol (const struct general_symbol_info *);
230 extern const char *ada_decode (const char*);
232 extern enum language ada_update_initial_language (enum language);
234 extern int ada_lookup_symbol_list (const char *, const struct block *,
236 std::vector<struct block_symbol> *);
238 extern char *ada_fold_name (const char *);
240 extern struct block_symbol ada_lookup_symbol (const char *,
241 const struct block *,
244 extern void ada_lookup_encoded_symbol
245 (const char *name, const struct block *block, domain_enum domain,
246 struct block_symbol *symbol_info);
248 extern struct bound_minimal_symbol ada_lookup_simple_minsym (const char *);
250 extern void ada_fill_in_ada_prototype (struct symbol *);
252 extern int user_select_syms (struct block_symbol *, int, int);
254 extern int get_selections (int *, int, int, int, const char *);
256 extern int ada_scan_number (const char *, int, LONGEST *, int *);
258 extern struct type *ada_parent_type (struct type *);
260 extern int ada_is_ignored_field (struct type *, int);
262 extern int ada_is_constrained_packed_array_type (struct type *);
264 extern struct value *ada_value_primitive_packed_val (struct value *,
269 extern struct type *ada_coerce_to_simple_array_type (struct type *);
271 extern bool ada_is_character_type (struct type *);
273 extern bool ada_is_string_type (struct type *);
275 extern int ada_is_tagged_type (struct type *, int);
277 extern int ada_is_tag_type (struct type *);
279 extern struct type *ada_tag_type (struct value *);
281 extern struct value *ada_value_tag (struct value *);
283 extern const char *ada_tag_name (struct value *);
285 extern struct value *ada_tag_value_at_base_address (struct value *obj);
287 extern int ada_is_parent_field (struct type *, int);
289 extern int ada_is_wrapper_field (struct type *, int);
291 extern int ada_is_variant_part (struct type *, int);
293 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
295 extern int ada_is_others_clause (struct type *, int);
297 extern int ada_in_variant (LONGEST, struct type *, int);
299 extern const char *ada_variant_discrim_name (struct type *);
301 extern struct value *ada_value_struct_elt (struct value *, const char *, int);
303 extern int ada_is_aligner_type (struct type *);
305 extern struct type *ada_aligned_type (struct type *);
307 extern const gdb_byte *ada_aligned_value_addr (struct type *,
310 extern const char *ada_attribute_name (enum exp_opcode);
312 extern int ada_is_fixed_point_type (struct type *);
314 extern int ada_is_system_address_type (struct type *);
316 extern struct value *ada_delta (struct type *);
318 extern struct value *ada_scaling_factor (struct type *);
320 extern struct type *ada_system_address_type (void);
322 extern int ada_which_variant_applies (struct type *, struct type *,
325 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
326 CORE_ADDR, struct value *,
329 extern struct value *ada_to_fixed_value (struct value *val);
331 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
332 const gdb_byte *valaddr,
335 int keep_dynamic_fields);
337 extern int ada_name_prefix_len (const char *);
339 extern const char *ada_type_name (struct type *);
341 extern struct type *ada_find_parallel_type (struct type *,
344 extern bool get_int_var_value (const char *, LONGEST &value);
346 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym,
347 const struct block *block);
349 extern int ada_prefer_type (struct type *, struct type *);
351 extern struct type *ada_get_base_type (struct type *);
353 extern struct type *ada_check_typedef (struct type *);
355 extern char *ada_encode (const char *);
357 extern const char *ada_enum_name (const char *);
359 extern int ada_is_modular_type (struct type *);
361 extern ULONGEST ada_modulus (struct type *);
363 extern struct value *ada_value_ind (struct value *);
365 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
367 extern int ada_is_range_type_name (const char *);
369 extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
371 int *, const char **);
373 extern void ada_find_printable_frame (struct frame_info *fi);
375 extern char *ada_breakpoint_rewrite (char *, int *);
377 extern char *ada_main_name (void);
379 extern void create_ada_exception_catchpoint
380 (struct gdbarch *gdbarch, enum ada_exception_catchpoint_kind ex_kind,
381 const std::string &excep_string, const std::string &cond_string, int tempflag,
382 int disabled, int from_tty);
384 /* Some information about a given Ada exception. */
388 /* The name of the exception. */
391 /* The address of the symbol corresponding to that exception. */
394 bool operator< (const ada_exc_info &) const;
395 bool operator== (const ada_exc_info &) const;
398 extern std::vector<ada_exc_info> ada_exceptions_list (const char *regexp);
400 /* Tasking-related: ada-tasks.c */
402 extern int valid_task_id (int);
404 extern struct ada_task_info *ada_get_task_info_from_ptid (ptid_t ptid);
406 extern int ada_get_task_number (thread_info *thread);
408 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
409 extern void iterate_over_live_ada_tasks
410 (ada_task_list_iterator_ftype *iterator);
412 extern const char *ada_get_tcb_types_info (void);
414 extern void print_ada_task_info (struct ui_out *uiout,
415 const char *taskno_str,
416 struct inferior *inf);