1 /* Ada language support definitions for GDB, the GNU debugger. 2 3 Copyright (C) 1992-2017 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 /* Denotes a type of renaming symbol (see ada_parse_renaming). */ 83 enum ada_renaming_category 84 { 85 /* Indicates a symbol that does not encode a renaming. */ 86 ADA_NOT_RENAMING, 87 88 /* For symbols declared 89 Foo : TYPE renamed OBJECT; */ 90 ADA_OBJECT_RENAMING, 91 92 /* For symbols declared 93 Foo : exception renames EXCEPTION; */ 94 ADA_EXCEPTION_RENAMING, 95 /* For packages declared 96 package Foo renames PACKAGE; */ 97 ADA_PACKAGE_RENAMING, 98 /* For subprograms declared 99 SUBPROGRAM_SPEC renames SUBPROGRAM; 100 (Currently not used). */ 101 ADA_SUBPROGRAM_RENAMING 102 }; 103 104 /* The different types of catchpoints that we introduced for catching 105 Ada exceptions. */ 106 107 enum ada_exception_catchpoint_kind 108 { 109 ada_catch_exception, 110 ada_catch_exception_unhandled, 111 ada_catch_assert 112 }; 113 114 /* Ada task structures. */ 115 116 struct ada_task_info 117 { 118 /* The PTID of the thread that this task runs on. This ptid is computed 119 in a target-dependent way from the associated Task Control Block. */ 120 ptid_t ptid; 121 122 /* The ID of the task. */ 123 CORE_ADDR task_id; 124 125 /* The name of the task. */ 126 char name[257]; 127 128 /* The current state of the task. */ 129 int state; 130 131 /* The priority associated to the task. */ 132 int priority; 133 134 /* If non-zero, the task ID of the parent task. */ 135 CORE_ADDR parent; 136 137 /* If the task is waiting on a task entry, this field contains 138 the ID of the other task. Zero otherwise. */ 139 CORE_ADDR called_task; 140 141 /* If the task is accepting a rendezvous with another task, this field 142 contains the ID of the calling task. Zero otherwise. */ 143 CORE_ADDR caller_task; 144 }; 145 146 /* Assuming V points to an array of S objects, make sure that it contains at 147 least M objects, updating V and S as necessary. */ 148 149 #define GROW_VECT(v, s, m) \ 150 if ((s) < (m)) (v) = (char *) grow_vect (v, &(s), m, sizeof *(v)); 151 152 extern void *grow_vect (void *, size_t *, size_t, int); 153 154 extern void ada_ensure_varsize_limit (const struct type *type); 155 156 extern int ada_get_field_index (const struct type *type, 157 const char *field_name, 158 int maybe_missing); 159 160 extern int ada_parse (struct parser_state *); /* Defined in ada-exp.y */ 161 162 extern void ada_yyerror (const char *); /* Defined in ada-exp.y */ 163 164 /* Defined in ada-typeprint.c */ 165 extern void ada_print_type (struct type *, const char *, struct ui_file *, int, 166 int, const struct type_print_options *); 167 168 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol, 169 struct ui_file *stream); 170 171 extern void ada_val_print (struct type *, int, CORE_ADDR, 172 struct ui_file *, int, 173 struct value *, 174 const struct value_print_options *); 175 176 extern void ada_value_print (struct value *, struct ui_file *, 177 const struct value_print_options *); 178 179 /* Defined in ada-lang.c */ 180 181 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int); 182 183 extern void ada_printchar (int, struct type *, struct ui_file *); 184 185 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *, 186 unsigned int, const char *, int, 187 const struct value_print_options *); 188 189 struct value *ada_convert_actual (struct value *actual, 190 struct type *formal_type0); 191 192 extern struct value *ada_value_subscript (struct value *, int, 193 struct value **); 194 195 extern void ada_fixup_array_indexes_type (struct type *index_desc_type); 196 197 extern struct type *ada_array_element_type (struct type *, int); 198 199 extern int ada_array_arity (struct type *); 200 201 struct type *ada_type_of_array (struct value *, int); 202 203 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 204 205 struct value *ada_coerce_to_simple_array (struct value *); 206 207 extern int ada_is_simple_array_type (struct type *); 208 209 extern int ada_is_array_descriptor_type (struct type *); 210 211 extern int ada_is_bogus_array_descriptor (struct type *); 212 213 extern LONGEST ada_discrete_type_low_bound (struct type *); 214 215 extern LONGEST ada_discrete_type_high_bound (struct type *); 216 217 extern struct value *ada_get_decoded_value (struct value *value); 218 219 extern struct type *ada_get_decoded_type (struct type *type); 220 221 extern const char *ada_decode_symbol (const struct general_symbol_info *); 222 223 extern const char *ada_decode (const char*); 224 225 extern enum language ada_update_initial_language (enum language); 226 227 extern int ada_lookup_symbol_list (const char *, const struct block *, 228 domain_enum, struct block_symbol**); 229 230 extern char *ada_fold_name (const char *); 231 232 extern struct block_symbol ada_lookup_symbol (const char *, 233 const struct block *, 234 domain_enum, int *); 235 236 extern void ada_lookup_encoded_symbol 237 (const char *name, const struct block *block, domain_enum domain, 238 struct block_symbol *symbol_info); 239 240 extern struct bound_minimal_symbol ada_lookup_simple_minsym (const char *); 241 242 extern void ada_fill_in_ada_prototype (struct symbol *); 243 244 extern int user_select_syms (struct block_symbol *, int, int); 245 246 extern int get_selections (int *, int, int, int, const char *); 247 248 extern int ada_scan_number (const char *, int, LONGEST *, int *); 249 250 extern struct type *ada_parent_type (struct type *); 251 252 extern int ada_is_ignored_field (struct type *, int); 253 254 extern int ada_is_constrained_packed_array_type (struct type *); 255 256 extern struct value *ada_value_primitive_packed_val (struct value *, 257 const gdb_byte *, 258 long, int, int, 259 struct type *); 260 261 extern struct type *ada_coerce_to_simple_array_type (struct type *); 262 263 extern int ada_is_character_type (struct type *); 264 265 extern int ada_is_string_type (struct type *); 266 267 extern int ada_is_tagged_type (struct type *, int); 268 269 extern int ada_is_tag_type (struct type *); 270 271 extern struct type *ada_tag_type (struct value *); 272 273 extern struct value *ada_value_tag (struct value *); 274 275 extern const char *ada_tag_name (struct value *); 276 277 extern struct value *ada_tag_value_at_base_address (struct value *obj); 278 279 extern int ada_is_parent_field (struct type *, int); 280 281 extern int ada_is_wrapper_field (struct type *, int); 282 283 extern int ada_is_variant_part (struct type *, int); 284 285 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 286 287 extern int ada_is_others_clause (struct type *, int); 288 289 extern int ada_in_variant (LONGEST, struct type *, int); 290 291 extern const char *ada_variant_discrim_name (struct type *); 292 293 extern struct value *ada_value_struct_elt (struct value *, const char *, int); 294 295 extern int ada_is_aligner_type (struct type *); 296 297 extern struct type *ada_aligned_type (struct type *); 298 299 extern const gdb_byte *ada_aligned_value_addr (struct type *, 300 const gdb_byte *); 301 302 extern const char *ada_attribute_name (enum exp_opcode); 303 304 extern int ada_is_fixed_point_type (struct type *); 305 306 extern int ada_is_system_address_type (struct type *); 307 308 extern DOUBLEST ada_delta (struct type *); 309 310 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 311 312 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 313 314 extern struct type *ada_system_address_type (void); 315 316 extern int ada_which_variant_applies (struct type *, struct type *, 317 const gdb_byte *); 318 319 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *, 320 CORE_ADDR, struct value *, 321 int check_tag); 322 323 extern struct value *ada_to_fixed_value (struct value *val); 324 325 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type, 326 const gdb_byte *valaddr, 327 CORE_ADDR address, 328 struct value *dval0, 329 int keep_dynamic_fields); 330 331 extern int ada_name_prefix_len (const char *); 332 333 extern const char *ada_type_name (struct type *); 334 335 extern struct type *ada_find_parallel_type (struct type *, 336 const char *suffix); 337 338 extern LONGEST get_int_var_value (char *, int *); 339 340 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym, 341 const struct block *block); 342 343 extern int ada_prefer_type (struct type *, struct type *); 344 345 extern struct type *ada_get_base_type (struct type *); 346 347 extern struct type *ada_check_typedef (struct type *); 348 349 extern char *ada_encode (const char *); 350 351 extern const char *ada_enum_name (const char *); 352 353 extern int ada_is_modular_type (struct type *); 354 355 extern ULONGEST ada_modulus (struct type *); 356 357 extern struct value *ada_value_ind (struct value *); 358 359 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 360 361 extern int ada_is_range_type_name (const char *); 362 363 extern enum ada_renaming_category ada_parse_renaming (struct symbol *, 364 const char **, 365 int *, const char **); 366 367 extern void ada_find_printable_frame (struct frame_info *fi); 368 369 extern char *ada_breakpoint_rewrite (char *, int *); 370 371 extern char *ada_main_name (void); 372 373 extern std::string ada_name_for_lookup (const char *name); 374 375 extern void create_ada_exception_catchpoint 376 (struct gdbarch *gdbarch, enum ada_exception_catchpoint_kind ex_kind, 377 char *excep_string, char *cond_string, int tempflag, int disabled, 378 int from_tty); 379 380 /* Some information about a given Ada exception. */ 381 382 typedef struct ada_exc_info 383 { 384 /* The name of the exception. */ 385 const char *name; 386 387 /* The address of the symbol corresponding to that exception. */ 388 CORE_ADDR addr; 389 } ada_exc_info; 390 391 DEF_VEC_O(ada_exc_info); 392 393 extern VEC(ada_exc_info) *ada_exceptions_list (const char *regexp); 394 395 /* Tasking-related: ada-tasks.c */ 396 397 extern int valid_task_id (int); 398 399 extern int ada_get_task_number (ptid_t); 400 401 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task); 402 extern void iterate_over_live_ada_tasks 403 (ada_task_list_iterator_ftype *iterator); 404 405 extern int ada_build_task_list (void); 406 407 extern void print_ada_task_info (struct ui_out *uiout, 408 char *taskno_str, 409 struct inferior *inf); 410 411 #endif 412