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make remote_protocol_features "const"
[deliverable/binutils-gdb.git] / gdb / ada-lang.h
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1/* Ada language support definitions for GDB, the GNU debugger.
2
3 Copyright (C) 1992-2013 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
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.
11
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.
16
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/>. */
19
20#if !defined (ADA_LANG_H)
21#define ADA_LANG_H 1
22
23struct frame_info;
24struct inferior;
25struct type_print_options;
26
27#include "value.h"
28#include "gdbtypes.h"
29#include "breakpoint.h"
30
31/* Names of specific files known to be part of the runtime
32 system and that might consider (confusing) debugging information.
33 Each name (a basic regular expression string) is followed by a
34 comma. FIXME: Should be part of a configuration file. */
35#if defined(__alpha__) && defined(__osf__)
36#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
37 "^[agis]-.*\\.ad[bs]$", \
38 "/usr/shlib/libpthread\\.so",
39#elif defined (__linux__)
40#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
41 "^[agis]-.*\\.ad[bs]$", \
42 "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
43 "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
44#endif
45
46#if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
47#define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
48 "^unwind-seh.c$", \
49 "^[agis]-.*\\.ad[bs]$",
50#endif
51
52/* Names of compiler-generated auxiliary functions probably of no
53 interest to users. Each name (a basic regular expression string)
54 is followed by a comma. */
55#define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \
56 "___clean[.$a-zA-Z0-9_]*$", \
57 "___finalizer[.$a-zA-Z0-9_]*$",
58
59/* The maximum number of frame levels searched for non-local,
60 * non-global symbols. This limit exists as a precaution to prevent
61 * infinite search loops when the stack is screwed up. */
62#define MAX_ENCLOSING_FRAME_LEVELS 7
63
64/* Maximum number of steps followed in looking for the ultimate
65 referent of a renaming. This prevents certain infinite loops that
66 can otherwise result. */
67#define MAX_RENAMING_CHAIN_LENGTH 10
68
69struct block;
70
71/* Corresponding encoded/decoded names and opcodes for Ada user-definable
72 operators. */
73struct ada_opname_map
74{
75 const char *encoded;
76 const char *decoded;
77 enum exp_opcode op;
78};
79
80/* Table of Ada operators in encoded and decoded forms. */
81/* Defined in ada-lang.c */
82extern const struct ada_opname_map ada_opname_table[];
83
84/* A tuple representing one instance of a symbol-lookup operation. */
85
86struct ada_symbol_info
87{
88 /* The symbol that was found. */
89 struct symbol *sym;
90
91 /* The block where the symbol was found. */
92 const struct block *block;
93};
94
95/* Denotes a type of renaming symbol (see ada_parse_renaming). */
96enum ada_renaming_category
97 {
98 /* Indicates a symbol that does not encode a renaming. */
99 ADA_NOT_RENAMING,
100
101 /* For symbols declared
102 Foo : TYPE renamed OBJECT; */
103 ADA_OBJECT_RENAMING,
104
105 /* For symbols declared
106 Foo : exception renames EXCEPTION; */
107 ADA_EXCEPTION_RENAMING,
108 /* For packages declared
109 package Foo renames PACKAGE; */
110 ADA_PACKAGE_RENAMING,
111 /* For subprograms declared
112 SUBPROGRAM_SPEC renames SUBPROGRAM;
113 (Currently not used). */
114 ADA_SUBPROGRAM_RENAMING
115 };
116
117/* Ada task structures. */
118
119struct ada_task_info
120{
121 /* The PTID of the thread that this task runs on. This ptid is computed
122 in a target-dependent way from the associated Task Control Block. */
123 ptid_t ptid;
124
125 /* The ID of the task. */
126 CORE_ADDR task_id;
127
128 /* The name of the task. */
129 char name[257];
130
131 /* The current state of the task. */
132 int state;
133
134 /* The priority associated to the task. */
135 int priority;
136
137 /* If non-zero, the task ID of the parent task. */
138 CORE_ADDR parent;
139
140 /* If the task is waiting on a task entry, this field contains
141 the ID of the other task. Zero otherwise. */
142 CORE_ADDR called_task;
143
144 /* If the task is accepting a rendezvous with another task, this field
145 contains the ID of the calling task. Zero otherwise. */
146 CORE_ADDR caller_task;
147};
148
149/* Assuming V points to an array of S objects, make sure that it contains at
150 least M objects, updating V and S as necessary. */
151
152#define GROW_VECT(v, s, m) \
153 if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
154
155extern void *grow_vect (void *, size_t *, size_t, int);
156
157extern int ada_get_field_index (const struct type *type,
158 const char *field_name,
159 int maybe_missing);
160
161extern int ada_parse (void); /* Defined in ada-exp.y */
162
163extern void ada_error (char *); /* Defined in ada-exp.y */
164
165 /* Defined in ada-typeprint.c */
166extern void ada_print_type (struct type *, const char *, struct ui_file *, int,
167 int, const struct type_print_options *);
168
169extern void ada_print_typedef (struct type *type, struct symbol *new_symbol,
170 struct ui_file *stream);
171
172extern void ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
173 struct ui_file *, int,
174 const struct value *,
175 const struct value_print_options *);
176
177extern void ada_value_print (struct value *, struct ui_file *,
178 const struct value_print_options *);
179
180 /* Defined in ada-lang.c */
181
182extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
183
184extern void ada_printchar (int, struct type *, struct ui_file *);
185
186extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
187 unsigned int, const char *, int,
188 const struct value_print_options *);
189
190struct value *ada_convert_actual (struct value *actual,
191 struct type *formal_type0);
192
193extern struct value *ada_value_subscript (struct value *, int,
194 struct value **);
195
196extern void ada_fixup_array_indexes_type (struct type *index_desc_type);
197
198extern struct type *ada_array_element_type (struct type *, int);
199
200extern int ada_array_arity (struct type *);
201
202struct type *ada_type_of_array (struct value *, int);
203
204extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
205
206struct value *ada_coerce_to_simple_array (struct value *);
207
208extern int ada_is_simple_array_type (struct type *);
209
210extern int ada_is_array_descriptor_type (struct type *);
211
212extern int ada_is_bogus_array_descriptor (struct type *);
213
214extern LONGEST ada_discrete_type_low_bound (struct type *);
215
216extern LONGEST ada_discrete_type_high_bound (struct type *);
217
218extern struct value *ada_get_decoded_value (struct value *value);
219
220extern struct type *ada_get_decoded_type (struct type *type);
221
222extern const char *ada_decode_symbol (const struct general_symbol_info *);
223
224extern const char *ada_decode (const char*);
225
226extern enum language ada_update_initial_language (enum language);
227
228extern void clear_ada_sym_cache (void);
229
230extern int ada_lookup_symbol_list (const char *, const struct block *,
231 domain_enum, struct ada_symbol_info**);
232
233extern char *ada_fold_name (const char *);
234
235extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
236 domain_enum, int *);
237
238extern void ada_lookup_encoded_symbol
239 (const char *name, const struct block *block, domain_enum namespace,
240 struct ada_symbol_info *symbol_info);
241
242extern struct bound_minimal_symbol ada_lookup_simple_minsym (const char *);
243
244extern void ada_fill_in_ada_prototype (struct symbol *);
245
246extern int user_select_syms (struct ada_symbol_info *, int, int);
247
248extern int get_selections (int *, int, int, int, char *);
249
250extern int ada_scan_number (const char *, int, LONGEST *, int *);
251
252extern struct type *ada_parent_type (struct type *);
253
254extern int ada_is_ignored_field (struct type *, int);
255
256extern int ada_is_constrained_packed_array_type (struct type *);
257
258extern struct value *ada_value_primitive_packed_val (struct value *,
259 const gdb_byte *,
260 long, int, int,
261 struct type *);
262
263extern struct type *ada_coerce_to_simple_array_type (struct type *);
264
265extern int ada_is_character_type (struct type *);
266
267extern int ada_is_string_type (struct type *);
268
269extern int ada_is_tagged_type (struct type *, int);
270
271extern int ada_is_tag_type (struct type *);
272
273extern struct type *ada_tag_type (struct value *);
274
275extern struct value *ada_value_tag (struct value *);
276
277extern const char *ada_tag_name (struct value *);
278
279extern struct value *ada_tag_value_at_base_address (struct value *obj);
280
281extern int ada_is_parent_field (struct type *, int);
282
283extern int ada_is_wrapper_field (struct type *, int);
284
285extern int ada_is_variant_part (struct type *, int);
286
287extern struct type *ada_variant_discrim_type (struct type *, struct type *);
288
289extern int ada_is_others_clause (struct type *, int);
290
291extern int ada_in_variant (LONGEST, struct type *, int);
292
293extern char *ada_variant_discrim_name (struct type *);
294
295extern struct value *ada_value_struct_elt (struct value *, char *, int);
296
297extern int ada_is_aligner_type (struct type *);
298
299extern struct type *ada_aligned_type (struct type *);
300
301extern const gdb_byte *ada_aligned_value_addr (struct type *,
302 const gdb_byte *);
303
304extern const char *ada_attribute_name (enum exp_opcode);
305
306extern int ada_is_fixed_point_type (struct type *);
307
308extern int ada_is_system_address_type (struct type *);
309
310extern DOUBLEST ada_delta (struct type *);
311
312extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
313
314extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
315
316extern struct type *ada_system_address_type (void);
317
318extern int ada_which_variant_applies (struct type *, struct type *,
319 const gdb_byte *);
320
321extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
322 CORE_ADDR, struct value *,
323 int check_tag);
324
325extern struct value *ada_to_fixed_value (struct value *val);
326
327extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
328 const gdb_byte *valaddr,
329 CORE_ADDR address,
330 struct value *dval0,
331 int keep_dynamic_fields);
332
333extern int ada_name_prefix_len (const char *);
334
335extern const char *ada_type_name (struct type *);
336
337extern struct type *ada_find_parallel_type (struct type *,
338 const char *suffix);
339
340extern LONGEST get_int_var_value (char *, int *);
341
342extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym,
343 const struct block *block);
344
345extern int ada_prefer_type (struct type *, struct type *);
346
347extern struct type *ada_get_base_type (struct type *);
348
349extern struct type *ada_check_typedef (struct type *);
350
351extern char *ada_encode (const char *);
352
353extern const char *ada_enum_name (const char *);
354
355extern int ada_is_modular_type (struct type *);
356
357extern ULONGEST ada_modulus (struct type *);
358
359extern struct value *ada_value_ind (struct value *);
360
361extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
362
363extern int ada_is_range_type_name (const char *);
364
365extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
366 const char **,
367 int *, const char **);
368
369extern void ada_find_printable_frame (struct frame_info *fi);
370
371extern char *ada_breakpoint_rewrite (char *, int *);
372
373extern char *ada_main_name (void);
374
375extern char *ada_name_for_lookup (const char *name);
376
377/* Tasking-related: ada-tasks.c */
378
379extern int valid_task_id (int);
380
381extern int ada_get_task_number (ptid_t);
382
383typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
384extern void iterate_over_live_ada_tasks
385 (ada_task_list_iterator_ftype *iterator);
386
387extern int ada_build_task_list (void);
388
389extern void print_ada_task_info (struct ui_out *uiout,
390 char *taskno_str,
391 struct inferior *inf);
392
393#endif
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