1 /* Ada language support definitions for GDB, the GNU debugger. 2 3 Copyright (C) 1992-2015 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 23 struct frame_info; 24 struct inferior; 25 struct type_print_options; 26 struct parser_state; 27 28 #include "value.h" 29 #include "gdbtypes.h" 30 #include "breakpoint.h" 31 #include "vec.h" 32 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$", 42 #endif 43 44 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS) 45 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \ 46 "^unwind-seh.c$", \ 47 "^[agis]-.*\\.ad[bs]$", 48 #endif 49 50 /* Names of compiler-generated auxiliary functions probably of no 51 interest to users. Each name (a basic regular expression string) 52 is followed by a comma. */ 53 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \ 54 "___clean[.$a-zA-Z0-9_]*$", \ 55 "___finalizer[.$a-zA-Z0-9_]*$", 56 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 61 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 66 67 struct block; 68 69 /* Corresponding encoded/decoded names and opcodes for Ada user-definable 70 operators. */ 71 struct ada_opname_map 72 { 73 const char *encoded; 74 const char *decoded; 75 enum exp_opcode op; 76 }; 77 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[]; 81 82 /* A tuple representing one instance of a symbol-lookup operation. */ 83 84 struct ada_symbol_info 85 { 86 /* The symbol that was found. */ 87 struct symbol *sym; 88 89 /* The block where the symbol was found. */ 90 const struct block *block; 91 }; 92 93 /* Denotes a type of renaming symbol (see ada_parse_renaming). */ 94 enum ada_renaming_category 95 { 96 /* Indicates a symbol that does not encode a renaming. */ 97 ADA_NOT_RENAMING, 98 99 /* For symbols declared 100 Foo : TYPE renamed OBJECT; */ 101 ADA_OBJECT_RENAMING, 102 103 /* For symbols declared 104 Foo : exception renames EXCEPTION; */ 105 ADA_EXCEPTION_RENAMING, 106 /* For packages declared 107 package Foo renames PACKAGE; */ 108 ADA_PACKAGE_RENAMING, 109 /* For subprograms declared 110 SUBPROGRAM_SPEC renames SUBPROGRAM; 111 (Currently not used). */ 112 ADA_SUBPROGRAM_RENAMING 113 }; 114 115 /* The different types of catchpoints that we introduced for catching 116 Ada exceptions. */ 117 118 enum ada_exception_catchpoint_kind 119 { 120 ada_catch_exception, 121 ada_catch_exception_unhandled, 122 ada_catch_assert 123 }; 124 125 /* Ada task structures. */ 126 127 struct ada_task_info 128 { 129 /* The PTID of the thread that this task runs on. This ptid is computed 130 in a target-dependent way from the associated Task Control Block. */ 131 ptid_t ptid; 132 133 /* The ID of the task. */ 134 CORE_ADDR task_id; 135 136 /* The name of the task. */ 137 char name[257]; 138 139 /* The current state of the task. */ 140 int state; 141 142 /* The priority associated to the task. */ 143 int priority; 144 145 /* If non-zero, the task ID of the parent task. */ 146 CORE_ADDR parent; 147 148 /* If the task is waiting on a task entry, this field contains 149 the ID of the other task. Zero otherwise. */ 150 CORE_ADDR called_task; 151 152 /* If the task is accepting a rendezvous with another task, this field 153 contains the ID of the calling task. Zero otherwise. */ 154 CORE_ADDR caller_task; 155 }; 156 157 /* Assuming V points to an array of S objects, make sure that it contains at 158 least M objects, updating V and S as necessary. */ 159 160 #define GROW_VECT(v, s, m) \ 161 if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v)); 162 163 extern void *grow_vect (void *, size_t *, size_t, int); 164 165 extern void ada_ensure_varsize_limit (const struct type *type); 166 167 extern int ada_get_field_index (const struct type *type, 168 const char *field_name, 169 int maybe_missing); 170 171 extern int ada_parse (struct parser_state *); /* Defined in ada-exp.y */ 172 173 extern void ada_error (char *); /* Defined in ada-exp.y */ 174 175 /* Defined in ada-typeprint.c */ 176 extern void ada_print_type (struct type *, const char *, struct ui_file *, int, 177 int, const struct type_print_options *); 178 179 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol, 180 struct ui_file *stream); 181 182 extern void ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR, 183 struct ui_file *, int, 184 const struct value *, 185 const struct value_print_options *); 186 187 extern void ada_value_print (struct value *, struct ui_file *, 188 const struct value_print_options *); 189 190 /* Defined in ada-lang.c */ 191 192 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int); 193 194 extern void ada_printchar (int, struct type *, struct ui_file *); 195 196 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *, 197 unsigned int, const char *, int, 198 const struct value_print_options *); 199 200 struct value *ada_convert_actual (struct value *actual, 201 struct type *formal_type0); 202 203 extern struct value *ada_value_subscript (struct value *, int, 204 struct value **); 205 206 extern void ada_fixup_array_indexes_type (struct type *index_desc_type); 207 208 extern struct type *ada_array_element_type (struct type *, int); 209 210 extern int ada_array_arity (struct type *); 211 212 struct type *ada_type_of_array (struct value *, int); 213 214 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 215 216 struct value *ada_coerce_to_simple_array (struct value *); 217 218 extern int ada_is_simple_array_type (struct type *); 219 220 extern int ada_is_array_descriptor_type (struct type *); 221 222 extern int ada_is_bogus_array_descriptor (struct type *); 223 224 extern LONGEST ada_discrete_type_low_bound (struct type *); 225 226 extern LONGEST ada_discrete_type_high_bound (struct type *); 227 228 extern struct value *ada_get_decoded_value (struct value *value); 229 230 extern struct type *ada_get_decoded_type (struct type *type); 231 232 extern const char *ada_decode_symbol (const struct general_symbol_info *); 233 234 extern const char *ada_decode (const char*); 235 236 extern enum language ada_update_initial_language (enum language); 237 238 extern int ada_lookup_symbol_list (const char *, const struct block *, 239 domain_enum, struct ada_symbol_info**); 240 241 extern char *ada_fold_name (const char *); 242 243 extern struct symbol *ada_lookup_symbol (const char *, const struct block *, 244 domain_enum, int *); 245 246 extern void ada_lookup_encoded_symbol 247 (const char *name, const struct block *block, domain_enum namespace, 248 struct ada_symbol_info *symbol_info); 249 250 extern struct bound_minimal_symbol ada_lookup_simple_minsym (const char *); 251 252 extern void ada_fill_in_ada_prototype (struct symbol *); 253 254 extern int user_select_syms (struct ada_symbol_info *, int, int); 255 256 extern int get_selections (int *, int, int, int, char *); 257 258 extern int ada_scan_number (const char *, int, LONGEST *, int *); 259 260 extern struct type *ada_parent_type (struct type *); 261 262 extern int ada_is_ignored_field (struct type *, int); 263 264 extern int ada_is_constrained_packed_array_type (struct type *); 265 266 extern struct value *ada_value_primitive_packed_val (struct value *, 267 const gdb_byte *, 268 long, int, int, 269 struct type *); 270 271 extern struct type *ada_coerce_to_simple_array_type (struct type *); 272 273 extern int ada_is_character_type (struct type *); 274 275 extern int ada_is_string_type (struct type *); 276 277 extern int ada_is_tagged_type (struct type *, int); 278 279 extern int ada_is_tag_type (struct type *); 280 281 extern struct type *ada_tag_type (struct value *); 282 283 extern struct value *ada_value_tag (struct value *); 284 285 extern const char *ada_tag_name (struct value *); 286 287 extern struct value *ada_tag_value_at_base_address (struct value *obj); 288 289 extern int ada_is_parent_field (struct type *, int); 290 291 extern int ada_is_wrapper_field (struct type *, int); 292 293 extern int ada_is_variant_part (struct type *, int); 294 295 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 296 297 extern int ada_is_others_clause (struct type *, int); 298 299 extern int ada_in_variant (LONGEST, struct type *, int); 300 301 extern char *ada_variant_discrim_name (struct type *); 302 303 extern struct value *ada_value_struct_elt (struct value *, char *, int); 304 305 extern int ada_is_aligner_type (struct type *); 306 307 extern struct type *ada_aligned_type (struct type *); 308 309 extern const gdb_byte *ada_aligned_value_addr (struct type *, 310 const gdb_byte *); 311 312 extern const char *ada_attribute_name (enum exp_opcode); 313 314 extern int ada_is_fixed_point_type (struct type *); 315 316 extern int ada_is_system_address_type (struct type *); 317 318 extern DOUBLEST ada_delta (struct type *); 319 320 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 321 322 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 323 324 extern struct type *ada_system_address_type (void); 325 326 extern int ada_which_variant_applies (struct type *, struct type *, 327 const gdb_byte *); 328 329 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *, 330 CORE_ADDR, struct value *, 331 int check_tag); 332 333 extern struct value *ada_to_fixed_value (struct value *val); 334 335 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type, 336 const gdb_byte *valaddr, 337 CORE_ADDR address, 338 struct value *dval0, 339 int keep_dynamic_fields); 340 341 extern int ada_name_prefix_len (const char *); 342 343 extern const char *ada_type_name (struct type *); 344 345 extern struct type *ada_find_parallel_type (struct type *, 346 const char *suffix); 347 348 extern LONGEST get_int_var_value (char *, int *); 349 350 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym, 351 const struct block *block); 352 353 extern int ada_prefer_type (struct type *, struct type *); 354 355 extern struct type *ada_get_base_type (struct type *); 356 357 extern struct type *ada_check_typedef (struct type *); 358 359 extern char *ada_encode (const char *); 360 361 extern const char *ada_enum_name (const char *); 362 363 extern int ada_is_modular_type (struct type *); 364 365 extern ULONGEST ada_modulus (struct type *); 366 367 extern struct value *ada_value_ind (struct value *); 368 369 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 370 371 extern int ada_is_range_type_name (const char *); 372 373 extern enum ada_renaming_category ada_parse_renaming (struct symbol *, 374 const char **, 375 int *, const char **); 376 377 extern void ada_find_printable_frame (struct frame_info *fi); 378 379 extern char *ada_breakpoint_rewrite (char *, int *); 380 381 extern char *ada_main_name (void); 382 383 extern char *ada_name_for_lookup (const char *name); 384 385 extern void create_ada_exception_catchpoint 386 (struct gdbarch *gdbarch, enum ada_exception_catchpoint_kind ex_kind, 387 char *excep_string, char *cond_string, int tempflag, int disabled, 388 int from_tty); 389 390 /* Some information about a given Ada exception. */ 391 392 typedef struct ada_exc_info 393 { 394 /* The name of the exception. */ 395 const char *name; 396 397 /* The address of the symbol corresponding to that exception. */ 398 CORE_ADDR addr; 399 } ada_exc_info; 400 401 DEF_VEC_O(ada_exc_info); 402 403 extern VEC(ada_exc_info) *ada_exceptions_list (const char *regexp); 404 405 /* Tasking-related: ada-tasks.c */ 406 407 extern int valid_task_id (int); 408 409 extern int ada_get_task_number (ptid_t); 410 411 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task); 412 extern void iterate_over_live_ada_tasks 413 (ada_task_list_iterator_ftype *iterator); 414 415 extern int ada_build_task_list (void); 416 417 extern void print_ada_task_info (struct ui_out *uiout, 418 char *taskno_str, 419 struct inferior *inf); 420 421 #endif 422