1 /* Ada language support definitions for GDB, the GNU debugger. 2 3 Copyright 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4 2005 Free Software Foundation, 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 2 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, write to the Free Software 20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ 21 22 #if !defined (ADA_LANG_H) 23 #define ADA_LANG_H 1 24 25 struct partial_symbol; 26 struct frame_info; 27 28 #include "value.h" 29 #include "gdbtypes.h" 30 #include "breakpoint.h" 31 32 /* Names of specific files known to be part of the runtime 33 system and that might consider (confusing) debugging information. 34 Each name (a basic regular expression string) is followed by a 35 comma. FIXME: Should be part of a configuration file. */ 36 #if defined(__alpha__) && defined(__osf__) 37 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \ 38 "^[agis]-.*\\.ad[bs]$", \ 39 "/usr/shlib/libpthread\\.so", 40 #elif defined (__linux__) 41 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \ 42 "^[agis]-.*\\.ad[bs]$", \ 43 "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \ 44 "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$", 45 #endif 46 47 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS) 48 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \ 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 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 enum ada_operator 84 { 85 /* X IN A'RANGE(N). N is an immediate operand, surrounded by 86 BINOP_IN_BOUNDS before and after. A is an array, X an index 87 value. Evaluates to true iff X is within range of the Nth 88 dimension (1-based) of A. (A multi-dimensional array 89 type is represented as array of array of ...) */ 90 BINOP_IN_BOUNDS = OP_EXTENDED0, 91 92 /* X IN L .. U. True iff L <= X <= U. */ 93 TERNOP_IN_RANGE, 94 95 /* Ada attributes ('Foo). */ 96 OP_ATR_FIRST, 97 OP_ATR_LAST, 98 OP_ATR_LENGTH, 99 OP_ATR_IMAGE, 100 OP_ATR_MAX, 101 OP_ATR_MIN, 102 OP_ATR_MODULUS, 103 OP_ATR_POS, 104 OP_ATR_SIZE, 105 OP_ATR_TAG, 106 OP_ATR_VAL, 107 108 /* Ada type qualification. It is encoded as for UNOP_CAST, above, 109 and denotes the TYPE'(EXPR) construct. */ 110 UNOP_QUAL, 111 112 /* X IN TYPE. The `TYPE' argument is immediate, with 113 UNOP_IN_RANGE before and after it. True iff X is a member of 114 type TYPE (typically a subrange). */ 115 UNOP_IN_RANGE, 116 117 /* End marker */ 118 OP_ADA_LAST 119 }; 120 121 /* A triple, (symbol, block, symtab), representing one instance of a 122 * symbol-lookup operation. */ 123 struct ada_symbol_info { 124 struct symbol* sym; 125 struct block* block; 126 struct symtab* symtab; 127 }; 128 129 /* Ada task structures. */ 130 131 /* Ada task control block, as defined in the GNAT runt-time library. */ 132 133 struct task_control_block 134 { 135 char state; 136 CORE_ADDR parent; 137 int priority; 138 char image [32]; 139 int image_len; /* This field is not always present in the ATCB. */ 140 CORE_ADDR call; 141 CORE_ADDR thread; 142 CORE_ADDR lwp; /* This field is not always present in the ATCB. */ 143 }; 144 145 struct task_ptid 146 { 147 int pid; /* The Process id */ 148 long lwp; /* The Light Weight Process id */ 149 long tid; /* The Thread id */ 150 }; 151 typedef struct task_ptid task_ptid_t; 152 153 struct task_entry 154 { 155 CORE_ADDR task_id; 156 struct task_control_block atcb; 157 int task_num; 158 int known_tasks_index; 159 struct task_entry *next_task; 160 task_ptid_t task_ptid; 161 int stack_per; 162 }; 163 164 /* The maximum number of tasks known to the Ada runtime. */ 165 extern const int MAX_NUMBER_OF_KNOWN_TASKS; 166 167 /* task entry list. */ 168 extern struct task_entry *task_list; 169 170 171 /* Assuming V points to an array of S objects, make sure that it contains at 172 least M objects, updating V and S as necessary. */ 173 174 #define GROW_VECT(v, s, m) \ 175 if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v)); 176 177 extern void *grow_vect (void *, size_t *, size_t, int); 178 179 extern int ada_get_field_index (const struct type *type, 180 const char *field_name, 181 int maybe_missing); 182 183 extern int ada_parse (void); /* Defined in ada-exp.y */ 184 185 extern void ada_error (char *); /* Defined in ada-exp.y */ 186 187 /* Defined in ada-typeprint.c */ 188 extern void ada_print_type (struct type *, char *, struct ui_file *, int, 189 int); 190 191 extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR, 192 struct ui_file *, int, int, int, 193 enum val_prettyprint); 194 195 extern int ada_value_print (struct value *, struct ui_file *, int, 196 enum val_prettyprint); 197 198 /* Defined in ada-lang.c */ 199 200 extern struct value *value_from_contents_and_address (struct type *, 201 const gdb_byte *, 202 CORE_ADDR); 203 204 extern void ada_emit_char (int, struct ui_file *, int, int); 205 206 extern void ada_printchar (int, struct ui_file *); 207 208 extern void ada_printstr (struct ui_file *, const gdb_byte *, 209 unsigned int, int, int); 210 211 extern void ada_convert_actuals (struct value *, int, struct value **, 212 CORE_ADDR *); 213 214 extern struct value *ada_value_subscript (struct value *, int, 215 struct value **); 216 217 extern struct type *ada_array_element_type (struct type *, int); 218 219 extern int ada_array_arity (struct type *); 220 221 struct type *ada_type_of_array (struct value *, int); 222 223 extern struct value *ada_coerce_to_simple_array_ptr (struct value *); 224 225 extern int ada_is_simple_array_type (struct type *); 226 227 extern int ada_is_array_descriptor_type (struct type *); 228 229 extern int ada_is_bogus_array_descriptor (struct type *); 230 231 extern struct type *ada_index_type (struct type *, int); 232 233 extern struct value *ada_array_bound (struct value *, int, int); 234 235 extern char *ada_decode_symbol (const struct general_symbol_info*); 236 237 extern const char *ada_decode (const char*); 238 239 extern enum language ada_update_initial_language (enum language, 240 struct partial_symtab*); 241 242 extern void clear_ada_sym_cache (void); 243 244 extern char **ada_make_symbol_completion_list (const char *text0, 245 const char *word); 246 247 extern int ada_lookup_symbol_list (const char *, const struct block *, 248 domain_enum, struct ada_symbol_info**); 249 250 extern char *ada_fold_name (const char *); 251 252 extern struct symbol *ada_lookup_symbol (const char *, const struct block *, 253 domain_enum, int *, 254 struct symtab **); 255 256 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *); 257 258 extern void ada_fill_in_ada_prototype (struct symbol *); 259 260 extern int user_select_syms (struct ada_symbol_info *, int, int); 261 262 extern int get_selections (int *, int, int, int, char *); 263 264 extern char *ada_start_decode_line_1 (char *); 265 266 extern struct symtabs_and_lines ada_finish_decode_line_1 (char **, 267 struct symtab *, 268 int, char ***); 269 270 extern struct symtabs_and_lines ada_sals_for_line (const char*, int, 271 int, char***, int); 272 273 extern int ada_scan_number (const char *, int, LONGEST *, int *); 274 275 extern struct type *ada_parent_type (struct type *); 276 277 extern int ada_is_ignored_field (struct type *, int); 278 279 extern int ada_is_packed_array_type (struct type *); 280 281 extern struct value *ada_value_primitive_packed_val (struct value *, 282 const gdb_byte *, 283 long, int, int, 284 struct type *); 285 286 extern struct type *ada_coerce_to_simple_array_type (struct type *); 287 288 extern int ada_is_character_type (struct type *); 289 290 extern int ada_is_string_type (struct type *); 291 292 extern int ada_is_tagged_type (struct type *, int); 293 294 extern int ada_is_tag_type (struct type *); 295 296 extern struct type *ada_tag_type (struct value *); 297 298 extern struct value *ada_value_tag (struct value *); 299 300 extern const char *ada_tag_name (struct value *); 301 302 extern int ada_is_parent_field (struct type *, int); 303 304 extern int ada_is_wrapper_field (struct type *, int); 305 306 extern int ada_is_variant_part (struct type *, int); 307 308 extern struct type *ada_variant_discrim_type (struct type *, struct type *); 309 310 extern int ada_is_others_clause (struct type *, int); 311 312 extern int ada_in_variant (LONGEST, struct type *, int); 313 314 extern char *ada_variant_discrim_name (struct type *); 315 316 extern struct value *ada_value_struct_elt (struct value *, char *, char *); 317 318 extern int ada_is_aligner_type (struct type *); 319 320 extern struct type *ada_aligned_type (struct type *); 321 322 extern const gdb_byte *ada_aligned_value_addr (struct type *, 323 const gdb_byte *); 324 325 extern const char *ada_attribute_name (enum exp_opcode); 326 327 extern int ada_is_fixed_point_type (struct type *); 328 329 extern int ada_is_system_address_type (struct type *); 330 331 extern DOUBLEST ada_delta (struct type *); 332 333 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST); 334 335 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST); 336 337 extern int ada_is_vax_floating_type (struct type *); 338 339 extern int ada_vax_float_type_suffix (struct type *); 340 341 extern struct value *ada_vax_float_print_function (struct type *); 342 343 extern struct type *ada_system_address_type (void); 344 345 extern int ada_which_variant_applies (struct type *, struct type *, 346 const gdb_byte *); 347 348 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *, 349 CORE_ADDR, struct value *); 350 351 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type, 352 const gdb_byte *valaddr, 353 CORE_ADDR address, 354 struct value *dval0, 355 int keep_dynamic_fields); 356 357 extern int ada_name_prefix_len (const char *); 358 359 extern char *ada_type_name (struct type *); 360 361 extern struct type *ada_find_parallel_type (struct type *, 362 const char *suffix); 363 364 extern LONGEST get_int_var_value (char *, int *); 365 366 extern struct symbol *ada_find_any_symbol (const char *name); 367 368 extern struct type *ada_find_any_type (const char *name); 369 370 extern struct symbol *ada_find_renaming_symbol (const char *name, 371 struct block *block); 372 373 extern int ada_prefer_type (struct type *, struct type *); 374 375 extern struct type *ada_get_base_type (struct type *); 376 377 extern struct type *ada_check_typedef (struct type *); 378 379 extern char *ada_encode (const char *); 380 381 extern const char *ada_enum_name (const char *); 382 383 extern int ada_is_modular_type (struct type *); 384 385 extern ULONGEST ada_modulus (struct type *); 386 387 extern struct value *ada_value_ind (struct value *); 388 389 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *); 390 391 extern int ada_is_range_type_name (const char *); 392 393 extern const char *ada_renaming_type (struct type *); 394 395 extern int ada_is_object_renaming (struct symbol *); 396 397 extern char *ada_simple_renamed_entity (struct symbol *); 398 399 extern char *ada_breakpoint_rewrite (char *, int *); 400 401 extern char *ada_main_name (void); 402 403 /* Tasking-related: ada-tasks.c */ 404 405 extern int valid_task_id (int); 406 407 extern void init_task_list (void); 408 409 extern int ada_is_exception_breakpoint (bpstat bs); 410 411 extern void ada_adjust_exception_stop (bpstat bs); 412 413 extern void ada_print_exception_stop (bpstat bs); 414 415 extern int ada_get_current_task (ptid_t); 416 417 extern int breakpoint_ada_task_match (CORE_ADDR, ptid_t); 418 419 extern int ada_print_exception_breakpoint_nontask (struct breakpoint *); 420 421 extern void ada_print_exception_breakpoint_task (struct breakpoint *); 422 423 extern void ada_find_printable_frame (struct frame_info *fi); 424 425 extern void ada_reset_thread_registers (void); 426 427 extern int ada_build_task_list (void); 428 429 /* Look up a symbol by name using the search conventions of 430 a specific language (optional block, optional symtab). 431 FIXME: Should be symtab.h. */ 432 433 extern struct symbol *lookup_symbol_in_language (const char *, 434 const struct block *, 435 domain_enum, 436 enum language, 437 int *, 438 struct symtab **); 439 #endif 440