1 /* Ada language support definitions for GDB, the GNU debugger. 2 Copyright 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 3 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 2 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, write to the Free Software 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ 20 21 #if !defined (ADA_LANG_H) 22 #define ADA_LANG_H 1 23 24 struct partial_symbol; 25 struct frame_info; 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__) && !defined(VXWORKS_TARGET) 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 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 enum ada_operator 83 { 84 /* X IN A'RANGE(N). N is an immediate operand, surrounded by 85 BINOP_IN_BOUNDS before and after. A is an array, X an index 86 value. Evaluates to true iff X is within range of the Nth 87 dimension (1-based) of A. (A multi-dimensional array 88 type is represented as array of array of ...) */ 89 BINOP_IN_BOUNDS = OP_EXTENDED0, 90 91 /* X IN L .. U. True iff L <= X <= U. */ 92 TERNOP_IN_RANGE, 93 94 /* Ada attributes ('Foo). */ 95 OP_ATR_FIRST, 96 OP_ATR_LAST, 97 OP_ATR_LENGTH, 98 OP_ATR_IMAGE, 99 OP_ATR_MAX, 100 OP_ATR_MIN, 101 OP_ATR_MODULUS, 102 OP_ATR_POS, 103 OP_ATR_SIZE, 104 OP_ATR_TAG, 105 OP_ATR_VAL, 106 107 /* Ada type qualification. It is encoded as for UNOP_CAST, above, 108 and denotes the TYPE'(EXPR) construct. */ 109 UNOP_QUAL, 110 111 /* X IN TYPE. The `TYPE' argument is immediate, with 112 UNOP_IN_RANGE before and after it. True iff X is a member of 113 type TYPE (typically a subrange). */ 114 UNOP_IN_RANGE, 115 116 /* End marker */ 117 OP_ADA_LAST 118 }; 119 120 /* A triple, (symbol, block, symtab), representing one instance of a 121 * symbol-lookup operation. */ 122 struct ada_symbol_info { 123 struct symbol* sym; 124 struct block* block; 125 struct symtab* symtab; 126 }; 127 128 /* Ada task structures. */ 129 130 /* Ada task control block, as defined in the GNAT runt-time library. */ 131 132 struct task_control_block 133 { 134 char state; 135 CORE_ADDR parent; 136 int priority; 137 char image [32]; 138 int image_len; /* This field is not always present in the ATCB. */ 139 CORE_ADDR call; 140 CORE_ADDR thread; 141 CORE_ADDR lwp; /* This field is not always present in the ATCB. */ 142 }; 143 144 struct task_ptid 145 { 146 int pid; /* The Process id */ 147 long lwp; /* The Light Weight Process id */ 148 long tid; /* The Thread id */ 149 }; 150 typedef struct task_ptid task_ptid_t; 151 152 struct task_entry 153 { 154 CORE_ADDR task_id; 155 struct task_control_block atcb; 156 int task_num; 157 int known_tasks_index; 158 struct task_entry *next_task; 159 task_ptid_t task_ptid; 160 int stack_per; 161 }; 162 163 extern struct type *builtin_type_ada_int; 164 extern struct type *builtin_type_ada_short; 165 extern struct type *builtin_type_ada_long; 166 extern struct type *builtin_type_ada_long_long; 167 extern struct type *builtin_type_ada_char; 168 extern struct type *builtin_type_ada_float; 169 extern struct type *builtin_type_ada_double; 170 extern struct type *builtin_type_ada_long_double; 171 extern struct type *builtin_type_ada_natural; 172 extern struct type *builtin_type_ada_positive; 173 extern struct type *builtin_type_ada_system_address; 174 175 /* The maximum number of tasks known to the Ada runtime. */ 176 extern const int MAX_NUMBER_OF_KNOWN_TASKS; 177 178 /* task entry list. */ 179 extern struct task_entry *task_list; 180 181 182 /* Assuming V points to an array of S objects, make sure that it contains at 183 least M objects, updating V and S as necessary. */ 184 185 #define GROW_VECT(v, s, m) \ 186 if ((s) < (m)) grow_vect ((void**) &(v), &(s), (m), sizeof(*(v))); 187 188 extern void grow_vect (void **, size_t *, size_t, int); 189 190 extern int ada_get_field_index (const struct type *type, 191 const char *field_name, 192 int maybe_missing); 193 194 extern int ada_parse (void); /* Defined in ada-exp.y */ 195 196 extern void ada_error (char *); /* Defined in ada-exp.y */ 197 198 /* Defined in ada-typeprint.c */ 199 extern void ada_print_type (struct type *, char *, struct ui_file *, int, 200 int); 201 202 extern int ada_val_print (struct type *, char *, int, CORE_ADDR, 203 struct ui_file *, int, int, int, 204 enum val_prettyprint); 205 206 extern int ada_value_print (struct value *, struct ui_file *, int, 207 enum val_prettyprint); 208 209 /* Defined in ada-lang.c */ 210 211 extern struct value *value_from_contents_and_address (struct type *, char *, 212 CORE_ADDR); 213 214 extern void ada_emit_char (int, struct ui_file *, int, int); 215 216 extern void ada_printchar (int, struct ui_file *); 217 218 extern void ada_printstr (struct ui_file *, char *, unsigned int, int, int); 219 220 extern void ada_convert_actuals (struct value *, int, struct value **, 221 CORE_ADDR *); 222 223 extern struct value *ada_value_subscript (struct value *, int, 224 struct value **); 225 226 extern struct type *ada_array_element_type (struct type *, int); 227 228 extern int ada_array_arity (struct type *); 229 230 struct type *ada_type_of_array (struct value *, int); 231 232 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 233 234 extern int ada_is_simple_array_type (struct type *); 235 236 extern int ada_is_array_descriptor_type (struct type *); 237 238 extern int ada_is_bogus_array_descriptor (struct type *); 239 240 extern struct type *ada_index_type (struct type *, int); 241 242 extern struct value *ada_array_bound (struct value *, int, int); 243 244 extern char *ada_decode_symbol (const struct general_symbol_info*); 245 246 extern const char *ada_decode (const char*); 247 248 extern enum language ada_update_initial_language (enum language, 249 struct partial_symtab*); 250 251 extern void clear_ada_sym_cache (void); 252 253 extern char **ada_make_symbol_completion_list (const char *text0, 254 const char *word); 255 256 extern int ada_lookup_symbol_list (const char *, const struct block *, 257 domain_enum, struct ada_symbol_info**); 258 259 extern char *ada_fold_name (const char *); 260 261 extern struct symbol *ada_lookup_symbol (const char *, const struct block *, 262 domain_enum, int *, 263 struct symtab **); 264 265 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *); 266 267 extern void ada_fill_in_ada_prototype (struct symbol *); 268 269 extern int user_select_syms (struct ada_symbol_info *, int, int); 270 271 extern int get_selections (int *, int, int, int, char *); 272 273 extern char *ada_start_decode_line_1 (char *); 274 275 extern struct symtabs_and_lines ada_finish_decode_line_1 (char **, 276 struct symtab *, 277 int, char ***); 278 279 extern struct symtabs_and_lines ada_sals_for_line (const char*, int, 280 int, char***, int); 281 282 extern int ada_scan_number (const char *, int, LONGEST *, int *); 283 284 extern struct type *ada_parent_type (struct type *); 285 286 extern int ada_is_ignored_field (struct type *, int); 287 288 extern int ada_is_packed_array_type (struct type *); 289 290 extern struct value *ada_value_primitive_packed_val (struct value *, char *, 291 long, int, int, 292 struct type *); 293 294 extern struct type *ada_coerce_to_simple_array_type (struct type *); 295 296 extern int ada_is_character_type (struct type *); 297 298 extern int ada_is_string_type (struct type *); 299 300 extern int ada_is_tagged_type (struct type *, int); 301 302 extern int ada_is_tag_type (struct type *); 303 304 extern struct type *ada_tag_type (struct value *); 305 306 extern struct value *ada_value_tag (struct value *); 307 308 extern const char *ada_tag_name (struct value *); 309 310 extern int ada_is_parent_field (struct type *, int); 311 312 extern int ada_is_wrapper_field (struct type *, int); 313 314 extern int ada_is_variant_part (struct type *, int); 315 316 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 317 318 extern int ada_is_others_clause (struct type *, int); 319 320 extern int ada_in_variant (LONGEST, struct type *, int); 321 322 extern char *ada_variant_discrim_name (struct type *); 323 324 extern struct value *ada_value_struct_elt (struct value *, char *, char *); 325 326 extern int ada_is_aligner_type (struct type *); 327 328 extern struct type *ada_aligned_type (struct type *); 329 330 extern char *ada_aligned_value_addr (struct type *, char *); 331 332 extern const char *ada_attribute_name (enum exp_opcode); 333 334 extern int ada_is_fixed_point_type (struct type *); 335 336 extern int ada_is_system_address_type (struct type *); 337 338 extern DOUBLEST ada_delta (struct type *); 339 340 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 341 342 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 343 344 extern int ada_is_vax_floating_type (struct type *); 345 346 extern int ada_vax_float_type_suffix (struct type *); 347 348 extern struct value *ada_vax_float_print_function (struct type *); 349 350 extern struct type *ada_system_address_type (void); 351 352 extern int ada_which_variant_applies (struct type *, struct type *, char *); 353 354 extern struct type *ada_to_fixed_type (struct type *, char *, CORE_ADDR, 355 struct value *); 356 357 extern struct type * 358 ada_template_to_fixed_record_type_1 (struct type *type, char *valaddr, 359 CORE_ADDR address, struct value *dval0, 360 int keep_dynamic_fields); 361 362 extern int ada_name_prefix_len (const char *); 363 364 extern char *ada_type_name (struct type *); 365 366 extern struct type *ada_find_parallel_type (struct type *, 367 const char *suffix); 368 369 extern LONGEST get_int_var_value (char *, int *); 370 371 extern struct symbol *ada_find_any_symbol (const char *name); 372 373 extern struct type *ada_find_any_type (const char *name); 374 375 extern struct symbol *ada_find_renaming_symbol (const char *name, 376 struct block *block); 377 378 extern int ada_prefer_type (struct type *, struct type *); 379 380 extern struct type *ada_get_base_type (struct type *); 381 382 extern struct type *ada_completed_type (struct type *); 383 384 extern char *ada_encode (const char *); 385 386 extern const char *ada_enum_name (const char *); 387 388 extern int ada_is_modular_type (struct type *); 389 390 extern LONGEST ada_modulus (struct type *); 391 392 extern struct value *ada_value_ind (struct value *); 393 394 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 395 396 extern int ada_is_range_type_name (const char *); 397 398 extern const char *ada_renaming_type (struct type *); 399 400 extern int ada_is_object_renaming (struct symbol *); 401 402 extern char *ada_simple_renamed_entity (struct symbol *); 403 404 extern char *ada_breakpoint_rewrite (char *, int *); 405 406 extern char *ada_main_name (void); 407 408 /* Tasking-related: ada-tasks.c */ 409 410 extern int valid_task_id (int); 411 412 extern void init_task_list (void); 413 414 extern int ada_is_exception_breakpoint (bpstat bs); 415 416 extern void ada_adjust_exception_stop (bpstat bs); 417 418 extern void ada_print_exception_stop (bpstat bs); 419 420 extern int ada_get_current_task (ptid_t); 421 422 extern int breakpoint_ada_task_match (CORE_ADDR, ptid_t); 423 424 extern int ada_print_exception_breakpoint_nontask (struct breakpoint *); 425 426 extern void ada_print_exception_breakpoint_task (struct breakpoint *); 427 428 extern int ada_maybe_exception_partial_symbol (struct partial_symbol *sym); 429 430 extern int ada_is_exception_sym (struct symbol *sym); 431 432 extern void ada_find_printable_frame (struct frame_info *fi); 433 434 extern void ada_reset_thread_registers (void); 435 436 extern int ada_build_task_list (void); 437 438 /* Look up a symbol by name using the search conventions of 439 a specific language (optional block, optional symtab). 440 FIXME: Should be symtab.h. */ 441 442 extern struct symbol *lookup_symbol_in_language (const char *, 443 const struct block *, 444 domain_enum, 445 enum language, 446 int *, 447 struct symtab **); 448 #endif 449