| 1 | /* Internal type definitions for GDB. |
| 2 | Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc. |
| 3 | Contributed by Cygnus Support, using pieces from other GDB modules. |
| 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #if !defined (GDBTYPES_H) |
| 22 | #define GDBTYPES_H 1 |
| 23 | |
| 24 | /* Codes for `fundamental types'. This is a monstrosity based on the |
| 25 | bogus notion that there are certain compiler-independent |
| 26 | `fundamental types'. None of these is well-defined (how big is |
| 27 | FT_SHORT? Does it depend on the language? How does the |
| 28 | language-specific code know which type to correlate to FT_SHORT?) */ |
| 29 | |
| 30 | #define FT_VOID 0 |
| 31 | #define FT_BOOLEAN 1 |
| 32 | #define FT_CHAR 2 |
| 33 | #define FT_SIGNED_CHAR 3 |
| 34 | #define FT_UNSIGNED_CHAR 4 |
| 35 | #define FT_SHORT 5 |
| 36 | #define FT_SIGNED_SHORT 6 |
| 37 | #define FT_UNSIGNED_SHORT 7 |
| 38 | #define FT_INTEGER 8 |
| 39 | #define FT_SIGNED_INTEGER 9 |
| 40 | #define FT_UNSIGNED_INTEGER 10 |
| 41 | #define FT_LONG 11 |
| 42 | #define FT_SIGNED_LONG 12 |
| 43 | #define FT_UNSIGNED_LONG 13 |
| 44 | #define FT_LONG_LONG 14 |
| 45 | #define FT_SIGNED_LONG_LONG 15 |
| 46 | #define FT_UNSIGNED_LONG_LONG 16 |
| 47 | #define FT_FLOAT 17 |
| 48 | #define FT_DBL_PREC_FLOAT 18 |
| 49 | #define FT_EXT_PREC_FLOAT 19 |
| 50 | #define FT_COMPLEX 20 |
| 51 | #define FT_DBL_PREC_COMPLEX 21 |
| 52 | #define FT_EXT_PREC_COMPLEX 22 |
| 53 | #define FT_STRING 23 |
| 54 | #define FT_FIXED_DECIMAL 24 |
| 55 | #define FT_FLOAT_DECIMAL 25 |
| 56 | #define FT_BYTE 26 |
| 57 | #define FT_UNSIGNED_BYTE 27 |
| 58 | |
| 59 | #define FT_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */ |
| 60 | |
| 61 | /* Some macros for char-based bitfields. */ |
| 62 | |
| 63 | #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7))) |
| 64 | #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7))) |
| 65 | #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7))) |
| 66 | #define B_TYPE unsigned char |
| 67 | #define B_BYTES(x) ( 1 + ((x)>>3) ) |
| 68 | #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x)) |
| 69 | |
| 70 | /* Different kinds of data types are distinguished by the `code' field. */ |
| 71 | |
| 72 | enum type_code |
| 73 | { |
| 74 | TYPE_CODE_UNDEF, /* Not used; catches errors */ |
| 75 | TYPE_CODE_PTR, /* Pointer type */ |
| 76 | TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */ |
| 77 | TYPE_CODE_STRUCT, /* C struct or Pascal record */ |
| 78 | TYPE_CODE_UNION, /* C union or Pascal variant part */ |
| 79 | TYPE_CODE_ENUM, /* Enumeration type */ |
| 80 | TYPE_CODE_FUNC, /* Function type */ |
| 81 | TYPE_CODE_INT, /* Integer type */ |
| 82 | |
| 83 | /* Floating type. This is *NOT* a complex type. Beware, there are parts |
| 84 | of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ |
| 85 | TYPE_CODE_FLT, |
| 86 | |
| 87 | /* Void type. The length field specifies the length (probably always |
| 88 | one) which is used in pointer arithmetic involving pointers to |
| 89 | this type, but actually dereferencing such a pointer is invalid; |
| 90 | a void type has no length and no actual representation in memory |
| 91 | or registers. A pointer to a void type is a generic pointer. */ |
| 92 | TYPE_CODE_VOID, |
| 93 | |
| 94 | TYPE_CODE_SET, /* Pascal sets */ |
| 95 | TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ |
| 96 | |
| 97 | /* A string type which is like an array of character but prints |
| 98 | differently (at least for CHILL). It does not contain a length |
| 99 | field as Pascal strings (for many Pascals, anyway) do; if we want |
| 100 | to deal with such strings, we should use a new type code. */ |
| 101 | TYPE_CODE_STRING, |
| 102 | |
| 103 | /* String of bits; like TYPE_CODE_SET but prints differently (at least |
| 104 | for CHILL). */ |
| 105 | TYPE_CODE_BITSTRING, |
| 106 | |
| 107 | /* Unknown type. The length field is valid if we were able to |
| 108 | deduce that much about the type, or 0 if we don't even know that. */ |
| 109 | TYPE_CODE_ERROR, |
| 110 | |
| 111 | /* C++ */ |
| 112 | TYPE_CODE_MEMBER, /* Member type */ |
| 113 | TYPE_CODE_METHOD, /* Method type */ |
| 114 | TYPE_CODE_REF, /* C++ Reference types */ |
| 115 | |
| 116 | TYPE_CODE_CHAR, /* *real* character type */ |
| 117 | |
| 118 | /* Boolean type. 0 is false, 1 is true, and other values are non-boolean |
| 119 | (e.g. FORTRAN "logical" used as unsigned int). */ |
| 120 | TYPE_CODE_BOOL, |
| 121 | |
| 122 | /* Fortran */ |
| 123 | TYPE_CODE_COMPLEX, /* Complex float */ |
| 124 | |
| 125 | TYPE_CODE_TYPEDEF |
| 126 | }; |
| 127 | |
| 128 | /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an |
| 129 | alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct |
| 130 | "class" attribute. Perhaps we should actually have a separate TYPE_CODE |
| 131 | so that we can print "class" or "struct" depending on what the debug |
| 132 | info said. It's not clear we should bother. */ |
| 133 | |
| 134 | #define TYPE_CODE_CLASS TYPE_CODE_STRUCT |
| 135 | |
| 136 | /* Some bits for the type's flags word. */ |
| 137 | |
| 138 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the |
| 139 | type is signed. */ |
| 140 | |
| 141 | #define TYPE_FLAG_UNSIGNED (1 << 0) |
| 142 | |
| 143 | /* This appears in a type's flags word if it is a stub type (e.g., if |
| 144 | someone referenced a type that wasn't defined in a source file |
| 145 | via (struct sir_not_appearing_in_this_film *)). */ |
| 146 | |
| 147 | #define TYPE_FLAG_STUB (1 << 2) |
| 148 | |
| 149 | /* The target type of this type is a stub type, and this type needs to |
| 150 | be updated if it gets un-stubbed in check_typedef. |
| 151 | Used for arrays and ranges, in which TYPE_LENGTH of the array/range |
| 152 | gets set based on the TYPE_LENGTH of the target type. |
| 153 | Also, set for TYPE_CODE_TYPEDEF. */ |
| 154 | |
| 155 | #define TYPE_FLAG_TARGET_STUB (1 << 3) |
| 156 | |
| 157 | /* This is a function type which appears to have a prototype. We need this |
| 158 | for function calls in order to tell us if it's necessary to coerce the args, |
| 159 | or to just do the standard conversions. */ |
| 160 | |
| 161 | #define TYPE_FLAG_PROTOTYPED (1 << 4) |
| 162 | |
| 163 | struct type |
| 164 | { |
| 165 | |
| 166 | /* Code for kind of type */ |
| 167 | |
| 168 | enum type_code code; |
| 169 | |
| 170 | /* Name of this type, or NULL if none. |
| 171 | |
| 172 | This is used for printing only, except by poorly designed C++ code. |
| 173 | For looking up a name, look for a symbol in the VAR_NAMESPACE. */ |
| 174 | |
| 175 | char *name; |
| 176 | |
| 177 | /* Tag name for this type, or NULL if none. This means that the |
| 178 | name of the type consists of a keyword followed by the tag name. |
| 179 | Which keyword is determined by the type code ("struct" for |
| 180 | TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages |
| 181 | with this feature. |
| 182 | |
| 183 | This is used for printing only, except by poorly designed C++ code. |
| 184 | For looking up a name, look for a symbol in the STRUCT_NAMESPACE. |
| 185 | One more legitimate use is that if TYPE_FLAG_STUB is set, this is |
| 186 | the name to use to look for definitions in other files. */ |
| 187 | |
| 188 | char *tag_name; |
| 189 | |
| 190 | /* Length of storage for a value of this type. Various places pass |
| 191 | this to memcpy and such, meaning it must be in units of |
| 192 | HOST_CHAR_BIT. Various other places expect they can calculate |
| 193 | addresses by adding it and such, meaning it must be in units of |
| 194 | TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT |
| 195 | will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this |
| 196 | is a problem. One fix would be to make this field in bits |
| 197 | (requiring that it always be a multiple of HOST_CHAR_BIT and |
| 198 | TARGET_CHAR_BIT)--the other choice would be to make it |
| 199 | consistently in units of HOST_CHAR_BIT. */ |
| 200 | |
| 201 | unsigned length; |
| 202 | |
| 203 | /* FIXME, these should probably be restricted to a Fortran-specific |
| 204 | field in some fashion. */ |
| 205 | #define BOUND_CANNOT_BE_DETERMINED 5 |
| 206 | #define BOUND_BY_REF_ON_STACK 4 |
| 207 | #define BOUND_BY_VALUE_ON_STACK 3 |
| 208 | #define BOUND_BY_REF_IN_REG 2 |
| 209 | #define BOUND_BY_VALUE_IN_REG 1 |
| 210 | #define BOUND_SIMPLE 0 |
| 211 | int upper_bound_type; |
| 212 | int lower_bound_type; |
| 213 | |
| 214 | /* Every type is now associated with a particular objfile, and the |
| 215 | type is allocated on the type_obstack for that objfile. One problem |
| 216 | however, is that there are times when gdb allocates new types while |
| 217 | it is not in the process of reading symbols from a particular objfile. |
| 218 | Fortunately, these happen when the type being created is a derived |
| 219 | type of an existing type, such as in lookup_pointer_type(). So |
| 220 | we can just allocate the new type using the same objfile as the |
| 221 | existing type, but to do this we need a backpointer to the objfile |
| 222 | from the existing type. Yes this is somewhat ugly, but without |
| 223 | major overhaul of the internal type system, it can't be avoided |
| 224 | for now. */ |
| 225 | |
| 226 | struct objfile *objfile; |
| 227 | |
| 228 | /* For a pointer type, describes the type of object pointed to. |
| 229 | For an array type, describes the type of the elements. |
| 230 | For a function or method type, describes the type of the return value. |
| 231 | For a range type, describes the type of the full range. |
| 232 | For a complex type, describes the type of each coordinate. |
| 233 | Unused otherwise. */ |
| 234 | |
| 235 | struct type *target_type; |
| 236 | |
| 237 | /* Type that is a pointer to this type. |
| 238 | NULL if no such pointer-to type is known yet. |
| 239 | The debugger may add the address of such a type |
| 240 | if it has to construct one later. */ |
| 241 | |
| 242 | struct type *pointer_type; |
| 243 | |
| 244 | /* C++: also need a reference type. */ |
| 245 | |
| 246 | struct type *reference_type; |
| 247 | |
| 248 | /* Flags about this type. */ |
| 249 | |
| 250 | short flags; |
| 251 | |
| 252 | /* Number of fields described for this type */ |
| 253 | |
| 254 | short nfields; |
| 255 | |
| 256 | /* For structure and union types, a description of each field. |
| 257 | For set and pascal array types, there is one "field", |
| 258 | whose type is the domain type of the set or array. |
| 259 | For range types, there are two "fields", |
| 260 | the minimum and maximum values (both inclusive). |
| 261 | For enum types, each possible value is described by one "field". |
| 262 | For a function type, a "field" for each parameter type. |
| 263 | For C++ classes, there is one field for each base class (if it is |
| 264 | a derived class) plus one field for each class data member. Member |
| 265 | functions are recorded elsewhere. |
| 266 | |
| 267 | Using a pointer to a separate array of fields |
| 268 | allows all types to have the same size, which is useful |
| 269 | because we can allocate the space for a type before |
| 270 | we know what to put in it. */ |
| 271 | |
| 272 | struct field |
| 273 | { |
| 274 | |
| 275 | |
| 276 | |
| 277 | union field_location |
| 278 | { |
| 279 | /* Position of this field, counting in bits from start of |
| 280 | containing structure. |
| 281 | For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. |
| 282 | For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. |
| 283 | For a function type, this is the position in the argument list |
| 284 | of this argument. |
| 285 | For a range bound or enum value, this is the value itself. */ |
| 286 | |
| 287 | int bitpos; |
| 288 | |
| 289 | /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr |
| 290 | is the location (in the target) of the static field. |
| 291 | Otherwise, physname is the mangled label of the static field. */ |
| 292 | |
| 293 | CORE_ADDR physaddr; |
| 294 | char* physname; |
| 295 | } loc; |
| 296 | |
| 297 | /* Size of this field, in bits, or zero if not packed. |
| 298 | For an unpacked field, the field's type's length |
| 299 | says how many bytes the field occupies. |
| 300 | A value of -1 or -2 indicates a static field; -1 means the location |
| 301 | is specified by the label loc.physname; -2 means that loc.physaddr |
| 302 | specifies the actual address. */ |
| 303 | |
| 304 | int bitsize; |
| 305 | |
| 306 | /* In a struct or union type, type of this field. |
| 307 | In a function type, type of this argument. |
| 308 | In an array type, the domain-type of the array. */ |
| 309 | |
| 310 | struct type *type; |
| 311 | |
| 312 | /* Name of field, value or argument. |
| 313 | NULL for range bounds and array domains. */ |
| 314 | |
| 315 | char *name; |
| 316 | |
| 317 | } *fields; |
| 318 | |
| 319 | /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE |
| 320 | is the base class which defined the virtual function table pointer. |
| 321 | |
| 322 | For types that are pointer to member types (TYPE_CODE_MEMBER), |
| 323 | VPTR_BASETYPE is the type that this pointer is a member of. |
| 324 | |
| 325 | For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate |
| 326 | type that contains the method. |
| 327 | |
| 328 | Unused otherwise. */ |
| 329 | |
| 330 | struct type *vptr_basetype; |
| 331 | |
| 332 | /* Field number of the virtual function table pointer in |
| 333 | VPTR_BASETYPE. If -1, we were unable to find the virtual |
| 334 | function table pointer in initial symbol reading, and |
| 335 | fill_in_vptr_fieldno should be called to find it if possible. |
| 336 | |
| 337 | Unused if this type does not have virtual functions. */ |
| 338 | |
| 339 | int vptr_fieldno; |
| 340 | |
| 341 | /* Slot to point to additional language-specific fields of this type. */ |
| 342 | |
| 343 | union type_specific |
| 344 | { |
| 345 | |
| 346 | /* ARG_TYPES is for TYPE_CODE_METHOD. |
| 347 | Contains the type of each argument, ending with a void type |
| 348 | after the last argument for normal member functions or a NULL |
| 349 | pointer after the last argument for functions with variable |
| 350 | arguments. */ |
| 351 | |
| 352 | struct type **arg_types; |
| 353 | |
| 354 | /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
| 355 | cplus_struct_default, a default static instance of a struct |
| 356 | cplus_struct_type. */ |
| 357 | |
| 358 | struct cplus_struct_type *cplus_stuff; |
| 359 | |
| 360 | } type_specific; |
| 361 | }; |
| 362 | |
| 363 | #define NULL_TYPE ((struct type *) 0) |
| 364 | |
| 365 | /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION |
| 366 | nodes. */ |
| 367 | |
| 368 | struct cplus_struct_type |
| 369 | { |
| 370 | /* Number of base classes this type derives from. The baseclasses are |
| 371 | stored in the first N_BASECLASSES fields (i.e. the `fields' field of |
| 372 | the struct type). I think only the `type' field of such a field has |
| 373 | any meaning. */ |
| 374 | |
| 375 | short n_baseclasses; |
| 376 | |
| 377 | /* Number of methods with unique names. All overloaded methods with |
| 378 | the same name count only once. */ |
| 379 | |
| 380 | short nfn_fields; |
| 381 | |
| 382 | /* Number of methods described for this type, not including the |
| 383 | methods that it derives from. */ |
| 384 | |
| 385 | int nfn_fields_total; |
| 386 | |
| 387 | /* For derived classes, the number of base classes is given by n_baseclasses |
| 388 | and virtual_field_bits is a bit vector containing one bit per base class. |
| 389 | If the base class is virtual, the corresponding bit will be set. |
| 390 | I.E, given: |
| 391 | |
| 392 | class A{}; |
| 393 | class B{}; |
| 394 | class C : public B, public virtual A {}; |
| 395 | |
| 396 | B is a baseclass of C; A is a virtual baseclass for C. |
| 397 | This is a C++ 2.0 language feature. */ |
| 398 | |
| 399 | B_TYPE *virtual_field_bits; |
| 400 | |
| 401 | /* For classes with private fields, the number of fields is given by |
| 402 | nfields and private_field_bits is a bit vector containing one bit |
| 403 | per field. |
| 404 | If the field is private, the corresponding bit will be set. */ |
| 405 | |
| 406 | B_TYPE *private_field_bits; |
| 407 | |
| 408 | /* For classes with protected fields, the number of fields is given by |
| 409 | nfields and protected_field_bits is a bit vector containing one bit |
| 410 | per field. |
| 411 | If the field is private, the corresponding bit will be set. */ |
| 412 | |
| 413 | B_TYPE *protected_field_bits; |
| 414 | |
| 415 | /* for classes with fields to be ignored, either this is optimized out |
| 416 | or this field has length 0 */ |
| 417 | |
| 418 | B_TYPE *ignore_field_bits; |
| 419 | |
| 420 | /* For classes, structures, and unions, a description of each field, |
| 421 | which consists of an overloaded name, followed by the types of |
| 422 | arguments that the method expects, and then the name after it |
| 423 | has been renamed to make it distinct. |
| 424 | |
| 425 | fn_fieldlists points to an array of nfn_fields of these. */ |
| 426 | |
| 427 | struct fn_fieldlist |
| 428 | { |
| 429 | |
| 430 | /* The overloaded name. */ |
| 431 | |
| 432 | char *name; |
| 433 | |
| 434 | /* The number of methods with this name. */ |
| 435 | |
| 436 | int length; |
| 437 | |
| 438 | /* The list of methods. */ |
| 439 | |
| 440 | struct fn_field |
| 441 | { |
| 442 | |
| 443 | /* If is_stub is clear, this is the mangled name which we can |
| 444 | look up to find the address of the method (FIXME: it would |
| 445 | be cleaner to have a pointer to the struct symbol here |
| 446 | instead). */ |
| 447 | |
| 448 | /* If is_stub is set, this is the portion of the mangled |
| 449 | name which specifies the arguments. For example, "ii", |
| 450 | if there are two int arguments, or "" if there are no |
| 451 | arguments. See gdb_mangle_name for the conversion from this |
| 452 | format to the one used if is_stub is clear. */ |
| 453 | |
| 454 | char *physname; |
| 455 | |
| 456 | /* The type of the method. */ |
| 457 | |
| 458 | struct type *type; |
| 459 | |
| 460 | /* For virtual functions. |
| 461 | First baseclass that defines this virtual function. */ |
| 462 | |
| 463 | struct type *fcontext; |
| 464 | |
| 465 | /* Attributes. */ |
| 466 | |
| 467 | unsigned int is_const : 1; |
| 468 | unsigned int is_volatile : 1; |
| 469 | unsigned int is_private : 1; |
| 470 | unsigned int is_protected : 1; |
| 471 | |
| 472 | /* A stub method only has some fields valid (but they are enough |
| 473 | to reconstruct the rest of the fields). */ |
| 474 | unsigned int is_stub : 1; |
| 475 | |
| 476 | /* Unused. */ |
| 477 | unsigned int dummy : 3; |
| 478 | |
| 479 | /* Index into that baseclass's virtual function table, |
| 480 | minus 2; else if static: VOFFSET_STATIC; else: 0. */ |
| 481 | |
| 482 | unsigned int voffset : 24; |
| 483 | |
| 484 | # define VOFFSET_STATIC 1 |
| 485 | |
| 486 | } *fn_fields; |
| 487 | |
| 488 | } *fn_fieldlists; |
| 489 | |
| 490 | }; |
| 491 | |
| 492 | /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the |
| 493 | this shared static structure. */ |
| 494 | |
| 495 | extern const struct cplus_struct_type cplus_struct_default; |
| 496 | |
| 497 | extern void |
| 498 | allocate_cplus_struct_type PARAMS ((struct type *)); |
| 499 | |
| 500 | #define INIT_CPLUS_SPECIFIC(type) \ |
| 501 | (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) |
| 502 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) |
| 503 | #define HAVE_CPLUS_STRUCT(type) \ |
| 504 | (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) |
| 505 | |
| 506 | #define TYPE_NAME(thistype) (thistype)->name |
| 507 | #define TYPE_TAG_NAME(type) ((type)->tag_name) |
| 508 | #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type |
| 509 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type |
| 510 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type |
| 511 | /* Note that if thistype is a TYPEDEF type, you have to call check_typedef. |
| 512 | But check_typedef does set the TYPE_LENGTH of the TYPEDEF type, |
| 513 | so you only have to call check_typedef once. Since allocate_value |
| 514 | calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */ |
| 515 | #define TYPE_LENGTH(thistype) (thistype)->length |
| 516 | #define TYPE_OBJFILE(thistype) (thistype)->objfile |
| 517 | #define TYPE_FLAGS(thistype) (thistype)->flags |
| 518 | #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED) |
| 519 | /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real |
| 520 | type, you need to do TYPE_CODE (check_type (this_type)). */ |
| 521 | #define TYPE_CODE(thistype) (thistype)->code |
| 522 | #define TYPE_NFIELDS(thistype) (thistype)->nfields |
| 523 | #define TYPE_FIELDS(thistype) (thistype)->fields |
| 524 | |
| 525 | #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0) |
| 526 | #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0) |
| 527 | #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1) |
| 528 | |
| 529 | /* Moto-specific stuff for FORTRAN arrays */ |
| 530 | |
| 531 | #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type |
| 532 | #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type |
| 533 | |
| 534 | #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ |
| 535 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1)) |
| 536 | |
| 537 | #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \ |
| 538 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0)) |
| 539 | |
| 540 | /* C++ */ |
| 541 | |
| 542 | #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype |
| 543 | #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype |
| 544 | #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno |
| 545 | #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields |
| 546 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields |
| 547 | #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total |
| 548 | #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific |
| 549 | #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types |
| 550 | #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff |
| 551 | #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type |
| 552 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses |
| 553 | #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name |
| 554 | #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index) |
| 555 | #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index)) |
| 556 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ |
| 557 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)) |
| 558 | |
| 559 | #define FIELD_TYPE(thisfld) ((thisfld).type) |
| 560 | #define FIELD_NAME(thisfld) ((thisfld).name) |
| 561 | #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos) |
| 562 | #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize) |
| 563 | #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname) |
| 564 | #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr) |
| 565 | #define SET_FIELD_PHYSNAME(thisfld, name) \ |
| 566 | ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name)) |
| 567 | #define SET_FIELD_PHYSADDR(thisfld, name) \ |
| 568 | ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name)) |
| 569 | #define TYPE_FIELD(thistype, n) (thistype)->fields[n] |
| 570 | #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n)) |
| 571 | #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n)) |
| 572 | #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n)) |
| 573 | #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n)) |
| 574 | #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0) |
| 575 | |
| 576 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ |
| 577 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits |
| 578 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ |
| 579 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits |
| 580 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ |
| 581 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits |
| 582 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ |
| 583 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits |
| 584 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ |
| 585 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) |
| 586 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ |
| 587 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) |
| 588 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ |
| 589 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) |
| 590 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ |
| 591 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) |
| 592 | #define TYPE_FIELD_PRIVATE(thistype, n) \ |
| 593 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ |
| 594 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) |
| 595 | #define TYPE_FIELD_PROTECTED(thistype, n) \ |
| 596 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ |
| 597 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) |
| 598 | #define TYPE_FIELD_IGNORE(thistype, n) \ |
| 599 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ |
| 600 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) |
| 601 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ |
| 602 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) |
| 603 | |
| 604 | #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0) |
| 605 | #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2) |
| 606 | #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n)) |
| 607 | #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n)) |
| 608 | |
| 609 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists |
| 610 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] |
| 611 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields |
| 612 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name |
| 613 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length |
| 614 | |
| 615 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] |
| 616 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname |
| 617 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type |
| 618 | #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type) |
| 619 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) |
| 620 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) |
| 621 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) |
| 622 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) |
| 623 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) |
| 624 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) |
| 625 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) |
| 626 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) |
| 627 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) |
| 628 | |
| 629 | /* Implicit sizes */ |
| 630 | extern struct type *builtin_type_void; |
| 631 | extern struct type *builtin_type_char; |
| 632 | extern struct type *builtin_type_short; |
| 633 | extern struct type *builtin_type_int; |
| 634 | extern struct type *builtin_type_long; |
| 635 | extern struct type *builtin_type_signed_char; |
| 636 | extern struct type *builtin_type_unsigned_char; |
| 637 | extern struct type *builtin_type_unsigned_short; |
| 638 | extern struct type *builtin_type_unsigned_int; |
| 639 | extern struct type *builtin_type_unsigned_long; |
| 640 | extern struct type *builtin_type_float; |
| 641 | extern struct type *builtin_type_double; |
| 642 | extern struct type *builtin_type_long_double; |
| 643 | extern struct type *builtin_type_complex; |
| 644 | extern struct type *builtin_type_double_complex; |
| 645 | extern struct type *builtin_type_string; |
| 646 | |
| 647 | /* Explicit sizes - see <intypes.h> for naming schema */ |
| 648 | extern struct type *builtin_type_int8; |
| 649 | extern struct type *builtin_type_uint8; |
| 650 | extern struct type *builtin_type_int16; |
| 651 | extern struct type *builtin_type_uint16; |
| 652 | extern struct type *builtin_type_int32; |
| 653 | extern struct type *builtin_type_uint32; |
| 654 | extern struct type *builtin_type_int64; |
| 655 | extern struct type *builtin_type_uint64; |
| 656 | /* start-sanitize-r5900 */ |
| 657 | extern struct type *builtin_type_int128; |
| 658 | extern struct type *builtin_type_uint128; |
| 659 | /* end-sanitize-r5900 */ |
| 660 | |
| 661 | /* This type represents a type that was unrecognized in symbol |
| 662 | read-in. */ |
| 663 | |
| 664 | extern struct type *builtin_type_error; |
| 665 | |
| 666 | extern struct type *builtin_type_long_long; |
| 667 | extern struct type *builtin_type_unsigned_long_long; |
| 668 | |
| 669 | /* Modula-2 types */ |
| 670 | |
| 671 | extern struct type *builtin_type_m2_char; |
| 672 | extern struct type *builtin_type_m2_int; |
| 673 | extern struct type *builtin_type_m2_card; |
| 674 | extern struct type *builtin_type_m2_real; |
| 675 | extern struct type *builtin_type_m2_bool; |
| 676 | |
| 677 | /* Chill types */ |
| 678 | |
| 679 | extern struct type *builtin_type_chill_bool; |
| 680 | extern struct type *builtin_type_chill_char; |
| 681 | extern struct type *builtin_type_chill_long; |
| 682 | extern struct type *builtin_type_chill_ulong; |
| 683 | extern struct type *builtin_type_chill_real; |
| 684 | |
| 685 | /* Fortran (F77) types */ |
| 686 | |
| 687 | extern struct type *builtin_type_f_character; |
| 688 | extern struct type *builtin_type_f_integer; |
| 689 | extern struct type *builtin_type_f_logical; |
| 690 | extern struct type *builtin_type_f_logical_s1; |
| 691 | extern struct type *builtin_type_f_logical_s2; |
| 692 | extern struct type *builtin_type_f_integer; |
| 693 | extern struct type *builtin_type_f_integer_s2; |
| 694 | extern struct type *builtin_type_f_real; |
| 695 | extern struct type *builtin_type_f_real_s8; |
| 696 | extern struct type *builtin_type_f_real_s16; |
| 697 | extern struct type *builtin_type_f_complex_s8; |
| 698 | extern struct type *builtin_type_f_complex_s16; |
| 699 | extern struct type *builtin_type_f_complex_s32; |
| 700 | extern struct type *builtin_type_f_void; |
| 701 | |
| 702 | /* Maximum and minimum values of built-in types */ |
| 703 | |
| 704 | #define MAX_OF_TYPE(t) \ |
| 705 | TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ |
| 706 | : MAX_OF_SIZE(TYPE_LENGTH(t)) |
| 707 | |
| 708 | #define MIN_OF_TYPE(t) \ |
| 709 | TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ |
| 710 | : MIN_OF_SIZE(TYPE_LENGTH(t)) |
| 711 | |
| 712 | /* Allocate space for storing data associated with a particular type. |
| 713 | We ensure that the space is allocated using the same mechanism that |
| 714 | was used to allocate the space for the type structure itself. I.E. |
| 715 | if the type is on an objfile's type_obstack, then the space for data |
| 716 | associated with that type will also be allocated on the type_obstack. |
| 717 | If the type is not associated with any particular objfile (such as |
| 718 | builtin types), then the data space will be allocated with xmalloc, |
| 719 | the same as for the type structure. */ |
| 720 | |
| 721 | #define TYPE_ALLOC(t,size) \ |
| 722 | (TYPE_OBJFILE (t) != NULL \ |
| 723 | ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \ |
| 724 | : xmalloc (size)) |
| 725 | |
| 726 | extern struct type * |
| 727 | alloc_type PARAMS ((struct objfile *)); |
| 728 | |
| 729 | extern struct type * |
| 730 | init_type PARAMS ((enum type_code, int, int, char *, struct objfile *)); |
| 731 | |
| 732 | extern struct type * |
| 733 | lookup_reference_type PARAMS ((struct type *)); |
| 734 | |
| 735 | extern struct type * |
| 736 | make_reference_type PARAMS ((struct type *, struct type **)); |
| 737 | |
| 738 | extern struct type * |
| 739 | lookup_member_type PARAMS ((struct type *, struct type *)); |
| 740 | |
| 741 | extern void |
| 742 | smash_to_method_type PARAMS ((struct type *, struct type *, struct type *, |
| 743 | struct type **)); |
| 744 | |
| 745 | extern void |
| 746 | smash_to_member_type PARAMS ((struct type *, struct type *, struct type *)); |
| 747 | |
| 748 | extern struct type * |
| 749 | allocate_stub_method PARAMS ((struct type *)); |
| 750 | |
| 751 | extern char * |
| 752 | type_name_no_tag PARAMS ((const struct type *)); |
| 753 | |
| 754 | extern struct type * |
| 755 | lookup_struct_elt_type PARAMS ((struct type *, char *, int)); |
| 756 | |
| 757 | extern struct type * |
| 758 | make_pointer_type PARAMS ((struct type *, struct type **)); |
| 759 | |
| 760 | extern struct type * |
| 761 | lookup_pointer_type PARAMS ((struct type *)); |
| 762 | |
| 763 | extern struct type * |
| 764 | make_function_type PARAMS ((struct type *, struct type **)); |
| 765 | |
| 766 | extern struct type * |
| 767 | lookup_function_type PARAMS ((struct type *)); |
| 768 | |
| 769 | extern struct type * |
| 770 | create_range_type PARAMS ((struct type *, struct type *, int, int)); |
| 771 | |
| 772 | extern struct type * |
| 773 | create_array_type PARAMS ((struct type *, struct type *, struct type *)); |
| 774 | |
| 775 | extern struct type * |
| 776 | create_string_type PARAMS ((struct type *, struct type *)); |
| 777 | |
| 778 | extern struct type *create_set_type PARAMS ((struct type *, struct type *)); |
| 779 | |
| 780 | extern int chill_varying_type PARAMS ((struct type*)); |
| 781 | |
| 782 | extern struct type * |
| 783 | lookup_unsigned_typename PARAMS ((char *)); |
| 784 | |
| 785 | extern struct type * |
| 786 | lookup_signed_typename PARAMS ((char *)); |
| 787 | |
| 788 | extern struct type * |
| 789 | check_typedef PARAMS ((struct type *)); |
| 790 | |
| 791 | #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE) |
| 792 | |
| 793 | extern void |
| 794 | check_stub_method PARAMS ((struct type *, int, int)); |
| 795 | |
| 796 | extern struct type * |
| 797 | lookup_primitive_typename PARAMS ((char *)); |
| 798 | |
| 799 | extern char * |
| 800 | gdb_mangle_name PARAMS ((struct type *, int, int)); |
| 801 | |
| 802 | extern struct type * |
| 803 | builtin_type PARAMS ((char **)); |
| 804 | |
| 805 | extern struct type * |
| 806 | lookup_typename PARAMS ((char *, struct block *, int)); |
| 807 | |
| 808 | extern struct type * |
| 809 | lookup_template_type PARAMS ((char *, struct type *, struct block *)); |
| 810 | |
| 811 | extern struct type * |
| 812 | lookup_fundamental_type PARAMS ((struct objfile *, int)); |
| 813 | |
| 814 | extern void |
| 815 | fill_in_vptr_fieldno PARAMS ((struct type *)); |
| 816 | |
| 817 | extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *)); |
| 818 | |
| 819 | extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*)); |
| 820 | |
| 821 | #if MAINTENANCE_CMDS |
| 822 | extern void recursive_dump_type PARAMS ((struct type *, int)); |
| 823 | #endif |
| 824 | |
| 825 | /* printcmd.c */ |
| 826 | |
| 827 | extern void |
| 828 | print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *)); |
| 829 | |
| 830 | extern int can_dereference PARAMS ((struct type *)); |
| 831 | |
| 832 | #if MAINTENANCE_CMDS |
| 833 | extern void maintenance_print_type PARAMS ((char *, int)); |
| 834 | #endif |
| 835 | |
| 836 | /* typeprint.c */ |
| 837 | |
| 838 | extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *)); |
| 839 | |
| 840 | #endif /* GDBTYPES_H */ |