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 23 struct frame_info; 24 struct inferior; 25 struct 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 69 struct block; 70 71 /* Corresponding encoded/decoded names and opcodes for Ada user-definable 72 operators. */ 73 struct 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 */ 82 extern const struct ada_opname_map ada_opname_table[]; 83 84 /* A tuple representing one instance of a symbol-lookup operation. */ 85 86 struct 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). */ 96 enum 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. */ 118 119 struct 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)); 154 155 extern void *grow_vect (void *, size_t *, size_t, int); 156 157 extern int ada_get_field_index (const struct type *type, 158 const char *field_name, 159 int maybe_missing); 160 161 extern int ada_parse (void); /* Defined in ada-exp.y */ 162 163 extern void ada_error (char *); /* Defined in ada-exp.y */ 164 165 /* Defined in ada-typeprint.c */ 166 extern void ada_print_type (struct type *, const char *, struct ui_file *, int, 167 int, const struct type_print_options *); 168 169 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol, 170 struct ui_file *stream); 171 172 extern 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 *); 176 177 extern void ada_value_print (struct value *, struct ui_file *, 178 const struct value_print_options *); 179 180 /* Defined in ada-lang.c */ 181 182 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int); 183 184 extern void ada_printchar (int, struct type *, struct ui_file *); 185 186 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *, 187 unsigned int, const char *, int, 188 const struct value_print_options *); 189 190 struct value *ada_convert_actual (struct value *actual, 191 struct type *formal_type0); 192 193 extern struct value *ada_value_subscript (struct value *, int, 194 struct value **); 195 196 extern void ada_fixup_array_indexes_type (struct type *index_desc_type); 197 198 extern struct type *ada_array_element_type (struct type *, int); 199 200 extern int ada_array_arity (struct type *); 201 202 struct type *ada_type_of_array (struct value *, int); 203 204 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 205 206 struct value *ada_coerce_to_simple_array (struct value *); 207 208 extern int ada_is_simple_array_type (struct type *); 209 210 extern int ada_is_array_descriptor_type (struct type *); 211 212 extern int ada_is_bogus_array_descriptor (struct type *); 213 214 extern LONGEST ada_discrete_type_low_bound (struct type *); 215 216 extern LONGEST ada_discrete_type_high_bound (struct type *); 217 218 extern struct value *ada_get_decoded_value (struct value *value); 219 220 extern struct type *ada_get_decoded_type (struct type *type); 221 222 extern const char *ada_decode_symbol (const struct general_symbol_info *); 223 224 extern const char *ada_decode (const char*); 225 226 extern enum language ada_update_initial_language (enum language); 227 228 extern void clear_ada_sym_cache (void); 229 230 extern int ada_lookup_symbol_list (const char *, const struct block *, 231 domain_enum, struct ada_symbol_info**); 232 233 extern char *ada_fold_name (const char *); 234 235 extern struct symbol *ada_lookup_symbol (const char *, const struct block *, 236 domain_enum, int *); 237 238 extern void ada_lookup_encoded_symbol 239 (const char *name, const struct block *block, domain_enum namespace, 240 struct ada_symbol_info *symbol_info); 241 242 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *); 243 244 extern void ada_fill_in_ada_prototype (struct symbol *); 245 246 extern int user_select_syms (struct ada_symbol_info *, int, int); 247 248 extern int get_selections (int *, int, int, int, char *); 249 250 extern int ada_scan_number (const char *, int, LONGEST *, int *); 251 252 extern struct type *ada_parent_type (struct type *); 253 254 extern int ada_is_ignored_field (struct type *, int); 255 256 extern int ada_is_constrained_packed_array_type (struct type *); 257 258 extern struct value *ada_value_primitive_packed_val (struct value *, 259 const gdb_byte *, 260 long, int, int, 261 struct type *); 262 263 extern struct type *ada_coerce_to_simple_array_type (struct type *); 264 265 extern int ada_is_character_type (struct type *); 266 267 extern int ada_is_string_type (struct type *); 268 269 extern int ada_is_tagged_type (struct type *, int); 270 271 extern int ada_is_tag_type (struct type *); 272 273 extern struct type *ada_tag_type (struct value *); 274 275 extern struct value *ada_value_tag (struct value *); 276 277 extern const char *ada_tag_name (struct value *); 278 279 extern struct value *ada_tag_value_at_base_address (struct value *obj); 280 281 extern int ada_is_parent_field (struct type *, int); 282 283 extern int ada_is_wrapper_field (struct type *, int); 284 285 extern int ada_is_variant_part (struct type *, int); 286 287 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 288 289 extern int ada_is_others_clause (struct type *, int); 290 291 extern int ada_in_variant (LONGEST, struct type *, int); 292 293 extern char *ada_variant_discrim_name (struct type *); 294 295 extern struct value *ada_value_struct_elt (struct value *, char *, int); 296 297 extern int ada_is_aligner_type (struct type *); 298 299 extern struct type *ada_aligned_type (struct type *); 300 301 extern const gdb_byte *ada_aligned_value_addr (struct type *, 302 const gdb_byte *); 303 304 extern const char *ada_attribute_name (enum exp_opcode); 305 306 extern int ada_is_fixed_point_type (struct type *); 307 308 extern int ada_is_system_address_type (struct type *); 309 310 extern DOUBLEST ada_delta (struct type *); 311 312 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 313 314 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 315 316 extern struct type *ada_system_address_type (void); 317 318 extern int ada_which_variant_applies (struct type *, struct type *, 319 const gdb_byte *); 320 321 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *, 322 CORE_ADDR, struct value *, 323 int check_tag); 324 325 extern struct value *ada_to_fixed_value (struct value *val); 326 327 extern 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); 332 333 extern int ada_name_prefix_len (const char *); 334 335 extern const char *ada_type_name (struct type *); 336 337 extern struct type *ada_find_parallel_type (struct type *, 338 const char *suffix); 339 340 extern LONGEST get_int_var_value (char *, int *); 341 342 extern struct symbol *ada_find_renaming_symbol (struct symbol *name_sym, 343 const struct block *block); 344 345 extern int ada_prefer_type (struct type *, struct type *); 346 347 extern struct type *ada_get_base_type (struct type *); 348 349 extern struct type *ada_check_typedef (struct type *); 350 351 extern char *ada_encode (const char *); 352 353 extern const char *ada_enum_name (const char *); 354 355 extern int ada_is_modular_type (struct type *); 356 357 extern ULONGEST ada_modulus (struct type *); 358 359 extern struct value *ada_value_ind (struct value *); 360 361 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 362 363 extern int ada_is_range_type_name (const char *); 364 365 extern enum ada_renaming_category ada_parse_renaming (struct symbol *, 366 const char **, 367 int *, const char **); 368 369 extern void ada_find_printable_frame (struct frame_info *fi); 370 371 extern char *ada_breakpoint_rewrite (char *, int *); 372 373 extern char *ada_main_name (void); 374 375 extern char *ada_name_for_lookup (const char *name); 376 377 /* Tasking-related: ada-tasks.c */ 378 379 extern int valid_task_id (int); 380 381 extern int ada_get_task_number (ptid_t); 382 383 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task); 384 extern void iterate_over_live_ada_tasks 385 (ada_task_list_iterator_ftype *iterator); 386 387 extern int ada_build_task_list (void); 388 389 extern void print_ada_task_info (struct ui_out *uiout, 390 char *taskno_str, 391 struct inferior *inf); 392 393 #endif 394