gdb/ada-lang.h

   1 /* Ada language support definitions for GDB, the GNU debugger.
   2
   3    Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   4    2007, 2008, 2009, 2010 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 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
  26 #include "value.h"
  27 #include "gdbtypes.h"
  28 #include "breakpoint.h"
  29
  30 /* Names of specific files known to be part of the runtime
  31    system and that might consider (confusing) debugging information.
  32    Each name (a basic regular expression string) is followed by a
  33    comma.  FIXME: Should be part of a configuration file. */
  34 #if defined(__alpha__) && defined(__osf__)
  35 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  36    "^[agis]-.*\\.ad[bs]$", \
  37    "/usr/shlib/libpthread\\.so",
  38 #elif defined (__linux__)
  39 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  40    "^[agis]-.*\\.ad[bs]$", \
  41    "/lib.*/libpthread\\.so[.0-9]*$", "/lib.*/libpthread\\.a$", \
  42    "/lib.*/libc\\.so[.0-9]*$", "/lib.*/libc\\.a$",
  43 #endif
  44
  45 #if !defined (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS)
  46 #define ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS \
  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
  56 /* The maximum number of frame levels searched for non-local,
  57  * non-global symbols.  This limit exists as a precaution to prevent
  58  * infinite search loops when the stack is screwed up. */
  59 #define MAX_ENCLOSING_FRAME_LEVELS 7
  60
  61 /* Maximum number of steps followed in looking for the ultimate
  62    referent of a renaming.  This prevents certain infinite loops that
  63    can otherwise result. */
  64 #define MAX_RENAMING_CHAIN_LENGTH 10
  65
  66 struct block;
  67
  68 /* Corresponding encoded/decoded names and opcodes for Ada user-definable
  69    operators. */
  70 struct ada_opname_map
  71 {
  72   const char *encoded;
  73   const char *decoded;
  74   enum exp_opcode op;
  75 };
  76
  77 /* Table of Ada operators in encoded and decoded forms. */
  78 /* Defined in ada-lang.c */
  79 extern const struct ada_opname_map ada_opname_table[];
  80
  81 /* A tuple, (symbol, block), representing one instance of a
  82  * symbol-lookup operation. */
  83 struct ada_symbol_info {
  84   struct symbol* sym;
  85   struct block* block;
  86 };
  87
  88 /* Denotes a type of renaming symbol (see ada_parse_renaming).  */
  89 enum ada_renaming_category
  90   {
  91     /* Indicates a symbol that does not encode a renaming.  */
  92     ADA_NOT_RENAMING,
  93
  94     /* For symbols declared
  95          Foo : TYPE renamed OBJECT;  */
  96     ADA_OBJECT_RENAMING,
  97
  98     /* For symbols declared
  99          Foo : exception renames EXCEPTION;  */
 100     ADA_EXCEPTION_RENAMING,
 101     /* For packages declared
 102           package Foo renames PACKAGE; */
 103     ADA_PACKAGE_RENAMING,
 104     /* For subprograms declared
 105           SUBPROGRAM_SPEC renames SUBPROGRAM;
 106        (Currently not used).  */
 107     ADA_SUBPROGRAM_RENAMING
 108   };
 109
 110 /* Ada task structures.  */
 111
 112 struct ada_task_info
 113 {
 114   /* The PTID of the thread that this task runs on.  This ptid is computed
 115      in a target-dependent way from the associated Task Control Block.  */
 116   ptid_t ptid;
 117
 118   /* The ID of the task.  */
 119   CORE_ADDR task_id;
 120
 121   /* The name of the task.  */
 122   char name[257];
 123
 124   /* The current state of the task.  */
 125   int state;
 126
 127   /* The priority associated to the task.  */
 128   int priority;
 129
 130   /* If non-zero, the task ID of the parent task.  */
 131   CORE_ADDR parent;
 132
 133   /* If the task is waiting on a task entry, this field contains
 134      the ID of the other task.  Zero otherwise.  */
 135   CORE_ADDR called_task;
 136
 137   /* If the task is accepting a rendezvous with another task, this field
 138      contains the ID of the calling task.  Zero otherwise.  */
 139   CORE_ADDR caller_task;
 140 };
 141
 142 /* Assuming V points to an array of S objects,  make sure that it contains at
 143    least M objects, updating V and S as necessary. */
 144
 145 #define GROW_VECT(v, s, m)                                              \
 146    if ((s) < (m)) (v) = grow_vect (v, &(s), m, sizeof *(v));
 147
 148 extern void *grow_vect (void *, size_t *, size_t, int);
 149
 150 extern int ada_get_field_index (const struct type *type,
 151                                 const char *field_name,
 152                                 int maybe_missing);
 153
 154 extern int ada_parse (void);    /* Defined in ada-exp.y */
 155
 156 extern void ada_error (char *); /* Defined in ada-exp.y */
 157
 158                         /* Defined in ada-typeprint.c */
 159 extern void ada_print_type (struct type *, char *, struct ui_file *, int,
 160                             int);
 161
 162 extern int ada_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
 163                           struct ui_file *, int,
 164                           const struct value_print_options *);
 165
 166 extern int ada_value_print (struct value *, struct ui_file *,
 167                             const struct value_print_options *);
 168
 169                                 /* Defined in ada-lang.c */
 170
 171 extern void ada_emit_char (int, struct type *, struct ui_file *, int, int);
 172
 173 extern void ada_printchar (int, struct type *, struct ui_file *);
 174
 175 extern void ada_printstr (struct ui_file *, struct type *, const gdb_byte *,
 176                           unsigned int, const char *, int,
 177                           const struct value_print_options *);
 178
 179 struct value *ada_convert_actual (struct value *actual,
 180                                   struct type *formal_type0,
 181                                   struct gdbarch *gdbarch,
 182                                   CORE_ADDR *sp);
 183
 184 extern struct value *ada_value_subscript (struct value *, int,
 185                                           struct value **);
 186
 187 extern struct type *ada_array_element_type (struct type *, int);
 188
 189 extern int ada_array_arity (struct type *);
 190
 191 struct type *ada_type_of_array (struct value *, int);
 192
 193 extern struct value *ada_coerce_to_simple_array_ptr (struct value *);
 194
 195 extern int ada_is_simple_array_type (struct type *);
 196
 197 extern int ada_is_array_descriptor_type (struct type *);
 198
 199 extern int ada_is_bogus_array_descriptor (struct type *);
 200
 201 extern LONGEST ada_discrete_type_low_bound (struct type *);
 202
 203 extern LONGEST ada_discrete_type_high_bound (struct type *);
 204
 205 extern char *ada_decode_symbol (const struct general_symbol_info*);
 206
 207 extern const char *ada_decode (const char*);
 208
 209 extern enum language ada_update_initial_language (enum language);
 210
 211 extern void clear_ada_sym_cache (void);
 212
 213 extern int ada_lookup_symbol_list (const char *, const struct block *,
 214                                    domain_enum, struct ada_symbol_info**);
 215
 216 extern char *ada_fold_name (const char *);
 217
 218 extern struct symbol *ada_lookup_symbol (const char *, const struct block *,
 219                                          domain_enum, int *);
 220
 221 extern struct symbol *
 222 ada_lookup_encoded_symbol (const char *, const struct block *,
 223                            domain_enum namespace, struct block **);
 224
 225 extern struct minimal_symbol *ada_lookup_simple_minsym (const char *);
 226
 227 extern void ada_fill_in_ada_prototype (struct symbol *);
 228
 229 extern int user_select_syms (struct ada_symbol_info *, int, int);
 230
 231 extern int get_selections (int *, int, int, int, char *);
 232
 233 extern char *ada_start_decode_line_1 (char *);
 234
 235 extern struct symtabs_and_lines ada_finish_decode_line_1 (char **,
 236                                                           struct symtab *,
 237                                                           int, char ***);
 238
 239 extern struct symtabs_and_lines ada_sals_for_line (const char*, int,
 240                                                    int, char***, int);
 241
 242 extern int ada_scan_number (const char *, int, LONGEST *, int *);
 243
 244 extern struct type *ada_parent_type (struct type *);
 245
 246 extern int ada_is_ignored_field (struct type *, int);
 247
 248 extern int ada_is_constrained_packed_array_type (struct type *);
 249
 250 extern struct value *ada_value_primitive_packed_val (struct value *,
 251                                                      const gdb_byte *,
 252                                                      long, int, int,
 253                                                      struct type *);
 254
 255 extern struct type *ada_coerce_to_simple_array_type (struct type *);
 256
 257 extern int ada_is_character_type (struct type *);
 258
 259 extern int ada_is_string_type (struct type *);
 260
 261 extern int ada_is_tagged_type (struct type *, int);
 262
 263 extern int ada_is_tag_type (struct type *);
 264
 265 extern struct type *ada_tag_type (struct value *);
 266
 267 extern struct value *ada_value_tag (struct value *);
 268
 269 extern const char *ada_tag_name (struct value *);
 270
 271 extern int ada_is_parent_field (struct type *, int);
 272
 273 extern int ada_is_wrapper_field (struct type *, int);
 274
 275 extern int ada_is_variant_part (struct type *, int);
 276
 277 extern struct type *ada_variant_discrim_type (struct type *, struct type *);
 278
 279 extern int ada_is_others_clause (struct type *, int);
 280
 281 extern int ada_in_variant (LONGEST, struct type *, int);
 282
 283 extern char *ada_variant_discrim_name (struct type *);
 284
 285 extern struct value *ada_value_struct_elt (struct value *, char *, int);
 286
 287 extern int ada_is_aligner_type (struct type *);
 288
 289 extern struct type *ada_aligned_type (struct type *);
 290
 291 extern const gdb_byte *ada_aligned_value_addr (struct type *,
 292                                                const gdb_byte *);
 293
 294 extern const char *ada_attribute_name (enum exp_opcode);
 295
 296 extern int ada_is_fixed_point_type (struct type *);
 297
 298 extern int ada_is_system_address_type (struct type *);
 299
 300 extern DOUBLEST ada_delta (struct type *);
 301
 302 extern DOUBLEST ada_fixed_to_float (struct type *, LONGEST);
 303
 304 extern LONGEST ada_float_to_fixed (struct type *, DOUBLEST);
 305
 306 extern struct type *ada_system_address_type (void);
 307
 308 extern int ada_which_variant_applies (struct type *, struct type *,
 309                                       const gdb_byte *);
 310
 311 extern struct type *ada_to_fixed_type (struct type *, const gdb_byte *,
 312                                        CORE_ADDR, struct value *,
 313                                        int check_tag);
 314
 315 extern struct type *ada_template_to_fixed_record_type_1 (struct type *type,
 316                                                          const gdb_byte *valaddr,
 317                                                          CORE_ADDR address,
 318                                                          struct value *dval0,
 319                                                          int keep_dynamic_fields);
 320
 321 extern int ada_name_prefix_len (const char *);
 322
 323 extern char *ada_type_name (struct type *);
 324
 325 extern struct type *ada_find_parallel_type (struct type *,
 326                                             const char *suffix);
 327
 328 extern LONGEST get_int_var_value (char *, int *);
 329
 330 extern struct symbol *ada_find_any_symbol (const char *name);
 331
 332 extern struct type *ada_find_any_type (const char *name);
 333
 334 extern struct symbol *ada_find_renaming_symbol (const char *name,
 335                                                 struct block *block);
 336
 337 extern int ada_prefer_type (struct type *, struct type *);
 338
 339 extern struct type *ada_get_base_type (struct type *);
 340
 341 extern struct type *ada_check_typedef (struct type *);
 342
 343 extern char *ada_encode (const char *);
 344
 345 extern const char *ada_enum_name (const char *);
 346
 347 extern int ada_is_modular_type (struct type *);
 348
 349 extern ULONGEST ada_modulus (struct type *);
 350
 351 extern struct value *ada_value_ind (struct value *);
 352
 353 extern void ada_print_scalar (struct type *, LONGEST, struct ui_file *);
 354
 355 extern int ada_is_range_type_name (const char *);
 356
 357 extern enum ada_renaming_category ada_parse_renaming (struct symbol *,
 358                                                       const char **,
 359                                                       int *, const char **);
 360
 361 extern void ada_find_printable_frame (struct frame_info *fi);
 362
 363 extern char *ada_breakpoint_rewrite (char *, int *);
 364
 365 extern char *ada_main_name (void);
 366
 367 /* Tasking-related: ada-tasks.c */
 368
 369 extern int valid_task_id (int);
 370
 371 extern int ada_get_task_number (ptid_t);
 372
 373 extern int ada_build_task_list (int warn_if_null);
 374
 375 extern int ada_exception_catchpoint_p (struct breakpoint *b);
 376
 377 extern struct symtab_and_line
 378   ada_decode_exception_location (char *args, char **addr_string,
 379                                  char **exp_string, char **cond_string,
 380                                  struct expression **cond,
 381                                  struct breakpoint_ops **ops);
 382
 383 extern struct symtab_and_line
 384   ada_decode_assert_location (char *args, char **addr_string,
 385                               struct breakpoint_ops **ops);
 386
 387
 388 #endif