1 /* Ada language support definitions for GDB, the GNU debugger. 2 3 Copyright (C) 1992, 1997-2005, 2007-2012 Free Software Foundation, 4 Inc. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #if !defined (ADA_LANG_H) 22 #define ADA_LANG_H 1 23 24 struct frame_info; 25 struct inferior; 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 "^[agis]-.*\\.ad[bs]$", 49 #endif 50 51 /* Names of compiler-generated auxiliary functions probably of no 52 interest to users. Each name (a basic regular expression string) 53 is followed by a comma. */ 54 #define ADA_KNOWN_AUXILIARY_FUNCTION_NAME_PATTERNS \ 55 "___clean[.$a-zA-Z0-9_]*$", \ 56 "___finalizer[.$a-zA-Z0-9_]*$", 57 58 /* The maximum number of frame levels searched for non-local, 59 * non-global symbols. This limit exists as a precaution to prevent 60 * infinite search loops when the stack is screwed up. */ 61 #define MAX_ENCLOSING_FRAME_LEVELS 7 62 63 /* Maximum number of steps followed in looking for the ultimate 64 referent of a renaming. This prevents certain infinite loops that 65 can otherwise result. */ 66 #define MAX_RENAMING_CHAIN_LENGTH 10 67 68 struct block; 69 70 /* Corresponding encoded/decoded names and opcodes for Ada user-definable 71 operators. */ 72 struct ada_opname_map 73 { 74 const char *encoded; 75 const char *decoded; 76 enum exp_opcode op; 77 }; 78 79 /* Table of Ada operators in encoded and decoded forms. */ 80 /* Defined in ada-lang.c */ 81 extern const struct ada_opname_map ada_opname_table[]; 82 83 /* A tuple, (symbol, block), representing one instance of a 84 * symbol-lookup operation. */ 85 struct ada_symbol_info { 86 struct symbol* sym; 87 struct block* block; 88 }; 89 90 /* Denotes a type of renaming symbol (see ada_parse_renaming). */ 91 enum ada_renaming_category 92 { 93 /* Indicates a symbol that does not encode a renaming. */ 94 ADA_NOT_RENAMING, 95 96 /* For symbols declared 97 Foo : TYPE renamed OBJECT; */ 98 ADA_OBJECT_RENAMING, 99 100 /* For symbols declared 101 Foo : exception renames EXCEPTION; */ 102 ADA_EXCEPTION_RENAMING, 103 /* For packages declared 104 package Foo renames PACKAGE; */ 105 ADA_PACKAGE_RENAMING, 106 /* For subprograms declared 107 SUBPROGRAM_SPEC renames SUBPROGRAM; 108 (Currently not used). */ 109 ADA_SUBPROGRAM_RENAMING 110 }; 111 112 /* Ada task structures. */ 113 114 struct ada_task_info 115 { 116 /* The PTID of the thread that this task runs on. This ptid is computed 117 in a target-dependent way from the associated Task Control Block. */ 118 ptid_t ptid; 119 120 /* The ID of the task. */ 121 CORE_ADDR task_id; 122 123 /* The name of the task. */ 124 char name[257]; 125 126 /* The current state of the task. */ 127 int state; 128 129 /* The priority associated to the task. */ 130 int priority; 131 132 /* If non-zero, the task ID of the parent task. */ 133 CORE_ADDR parent; 134 135 /* If the task is waiting on a task entry, this field contains 136 the ID of the other task. Zero otherwise. */ 137 CORE_ADDR called_task; 138 139 /* If the task is accepting a rendezvous with another task, this field 140 contains the ID of the calling task. Zero otherwise. */ 141 CORE_ADDR caller_task; 142 }; 143 144 /* Assuming V points to an array of S objects, make sure that it contains at 145 least M objects, updating V and S as necessary. */ 146 147 #define GROW_VECT(v, s, m) \ 148 if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v)); 149 150 extern void *grow_vect (void *, size_t *, size_t, int); 151 152 extern int ada_get_field_index (const struct type *type, 153 const char *field_name, 154 int maybe_missing); 155 156 extern int ada_parse (void); /* Defined in ada-exp.y */ 157 158 extern void ada_error (char *); /* Defined in ada-exp.y */ 159 160 /* Defined in ada-typeprint.c */ 161 extern void ada_print_type (struct type *, const char *, struct ui_file *, int, 162 int); 163 164 extern void ada_print_typedef (struct type *type, struct symbol *new_symbol, 165 struct ui_file *stream); 166 167 extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR, 168 struct ui_file *, int, 169 const struct value *, 170 const struct value_print_options *); 171 172 extern int ada_value_print (struct value *, struct ui_file *, 173 const struct value_print_options *); 174 175 /* Defined in ada-lang.c */ 176 177 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int); 178 179 extern void ada_printchar (int, struct type *, struct ui_file *); 180 181 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *, 182 unsigned int, const char *, int, 183 const struct value_print_options *); 184 185 struct value *ada_convert_actual (struct value *actual, 186 struct type *formal_type0); 187 188 extern struct value *ada_value_subscript (struct value *, int, 189 struct value **); 190 191 extern void ada_fixup_array_indexes_type (struct type *index_desc_type); 192 193 extern struct type *ada_array_element_type (struct type *, int); 194 195 extern int ada_array_arity (struct type *); 196 197 struct type *ada_type_of_array (struct value *, int); 198 199 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 200 201 struct value *ada_coerce_to_simple_array (struct value *); 202 203 extern int ada_is_simple_array_type (struct type *); 204 205 extern int ada_is_array_descriptor_type (struct type *); 206 207 extern int ada_is_bogus_array_descriptor (struct type *); 208 209 extern LONGEST ada_discrete_type_low_bound (struct type *); 210 211 extern LONGEST ada_discrete_type_high_bound (struct type *); 212 213 extern char *ada_decode_symbol (const struct general_symbol_info*); 214 215 extern const char *ada_decode (const char*); 216 217 extern enum language ada_update_initial_language (enum language); 218 219 extern void clear_ada_sym_cache (void); 220 221 extern int ada_lookup_symbol_list (const char *, const struct block *, 222 domain_enum, struct ada_symbol_info**); 223 224 extern char *ada_fold_name (const char *); 225 226 extern struct symbol *ada_lookup_symbol (const char *, const struct block *, 227 domain_enum, int *); 228 229 extern struct symbol * 230 ada_lookup_encoded_symbol (const char *, const struct block *, 231 domain_enum namespace, struct block **); 232 233 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *); 234 235 extern void ada_fill_in_ada_prototype (struct symbol *); 236 237 extern int user_select_syms (struct ada_symbol_info *, int, int); 238 239 extern int get_selections (int *, int, int, int, char *); 240 241 extern int ada_scan_number (const char *, int, LONGEST *, int *); 242 243 extern struct type *ada_parent_type (struct type *); 244 245 extern int ada_is_ignored_field (struct type *, int); 246 247 extern int ada_is_constrained_packed_array_type (struct type *); 248 249 extern struct value *ada_value_primitive_packed_val (struct value *, 250 const gdb_byte *, 251 long, int, int, 252 struct type *); 253 254 extern struct type *ada_coerce_to_simple_array_type (struct type *); 255 256 extern int ada_is_character_type (struct type *); 257 258 extern int ada_is_string_type (struct type *); 259 260 extern int ada_is_tagged_type (struct type *, int); 261 262 extern int ada_is_tag_type (struct type *); 263 264 extern struct type *ada_tag_type (struct value *); 265 266 extern struct value *ada_value_tag (struct value *); 267 268 extern const char *ada_tag_name (struct value *); 269 270 extern int ada_is_parent_field (struct type *, int); 271 272 extern int ada_is_wrapper_field (struct type *, int); 273 274 extern int ada_is_variant_part (struct type *, int); 275 276 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 277 278 extern int ada_is_others_clause (struct type *, int); 279 280 extern int ada_in_variant (LONGEST, struct type *, int); 281 282 extern char *ada_variant_discrim_name (struct type *); 283 284 extern struct value *ada_value_struct_elt (struct value *, char *, int); 285 286 extern int ada_is_aligner_type (struct type *); 287 288 extern struct type *ada_aligned_type (struct type *); 289 290 extern const gdb_byte *ada_aligned_value_addr (struct type *, 291 const gdb_byte *); 292 293 extern const char *ada_attribute_name (enum exp_opcode); 294 295 extern int ada_is_fixed_point_type (struct type *); 296 297 extern int ada_is_system_address_type (struct type *); 298 299 extern DOUBLEST ada_delta (struct type *); 300 301 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 302 303 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 304 305 extern struct type *ada_system_address_type (void); 306 307 extern int ada_which_variant_applies (struct type *, struct type *, 308 const gdb_byte *); 309 310 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *, 311 CORE_ADDR, struct value *, 312 int check_tag); 313 314 extern struct value *ada_to_fixed_value (struct value *val); 315 316 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type, 317 const gdb_byte *valaddr, 318 CORE_ADDR address, 319 struct value *dval0, 320 int keep_dynamic_fields); 321 322 extern int ada_name_prefix_len (const char *); 323 324 extern char *ada_type_name (struct type *); 325 326 extern struct type *ada_find_parallel_type (struct type *, 327 const char *suffix); 328 329 extern LONGEST get_int_var_value (char *, int *); 330 331 extern struct symbol *ada_find_any_symbol (const char *name); 332 333 extern struct type *ada_find_any_type (const char *name); 334 335 extern struct symbol *ada_find_renaming_symbol (const char *name, 336 struct block *block); 337 338 extern int ada_prefer_type (struct type *, struct type *); 339 340 extern struct type *ada_get_base_type (struct type *); 341 342 extern struct type *ada_check_typedef (struct type *); 343 344 extern char *ada_encode (const char *); 345 346 extern const char *ada_enum_name (const char *); 347 348 extern int ada_is_modular_type (struct type *); 349 350 extern ULONGEST ada_modulus (struct type *); 351 352 extern struct value *ada_value_ind (struct value *); 353 354 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 355 356 extern int ada_is_range_type_name (const char *); 357 358 extern enum ada_renaming_category ada_parse_renaming (struct symbol *, 359 const char **, 360 int *, const char **); 361 362 extern void ada_find_printable_frame (struct frame_info *fi); 363 364 extern char *ada_breakpoint_rewrite (char *, int *); 365 366 extern char *ada_main_name (void); 367 368 extern char *ada_name_for_lookup (const char *name); 369 370 /* Tasking-related: ada-tasks.c */ 371 372 extern int valid_task_id (int); 373 374 extern int ada_get_task_number (ptid_t); 375 376 typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task); 377 extern void iterate_over_live_ada_tasks 378 (ada_task_list_iterator_ftype *iterator); 379 380 extern int ada_build_task_list (void); 381 382 extern void print_ada_task_info (struct ui_out *uiout, 383 char *taskno_str, 384 struct inferior *inf); 385 386 #endif 387