]>
Commit | Line | Data |
---|---|---|
c906108c SS |
1 | /* Internal type definitions for GDB. |
2 | Copyright (C) 1992, 1993, 1994, 1996, 1998, 1999 | |
3 | Free Software Foundation, Inc. | |
4 | Contributed by Cygnus Support, using pieces from other GDB modules. | |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
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. | |
c906108c | 12 | |
c5aa993b JM |
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. | |
c906108c | 17 | |
c5aa993b JM |
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., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #if !defined (GDBTYPES_H) | |
24 | #define GDBTYPES_H 1 | |
25 | ||
26 | /* Codes for `fundamental types'. This is a monstrosity based on the | |
27 | bogus notion that there are certain compiler-independent | |
28 | `fundamental types'. None of these is well-defined (how big is | |
29 | FT_SHORT? Does it depend on the language? How does the | |
30 | language-specific code know which type to correlate to FT_SHORT?) */ | |
31 | ||
32 | #define FT_VOID 0 | |
33 | #define FT_BOOLEAN 1 | |
c5aa993b JM |
34 | #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */ |
35 | #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */ | |
36 | #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */ | |
c906108c SS |
37 | #define FT_SHORT 5 |
38 | #define FT_SIGNED_SHORT 6 | |
39 | #define FT_UNSIGNED_SHORT 7 | |
40 | #define FT_INTEGER 8 | |
41 | #define FT_SIGNED_INTEGER 9 | |
42 | #define FT_UNSIGNED_INTEGER 10 | |
43 | #define FT_LONG 11 | |
44 | #define FT_SIGNED_LONG 12 | |
45 | #define FT_UNSIGNED_LONG 13 | |
46 | #define FT_LONG_LONG 14 | |
47 | #define FT_SIGNED_LONG_LONG 15 | |
48 | #define FT_UNSIGNED_LONG_LONG 16 | |
49 | #define FT_FLOAT 17 | |
50 | #define FT_DBL_PREC_FLOAT 18 | |
51 | #define FT_EXT_PREC_FLOAT 19 | |
52 | #define FT_COMPLEX 20 | |
53 | #define FT_DBL_PREC_COMPLEX 21 | |
54 | #define FT_EXT_PREC_COMPLEX 22 | |
55 | #define FT_STRING 23 | |
56 | #define FT_FIXED_DECIMAL 24 | |
57 | #define FT_FLOAT_DECIMAL 25 | |
58 | #define FT_BYTE 26 | |
59 | #define FT_UNSIGNED_BYTE 27 | |
60 | #define FT_TEMPLATE_ARG 28 | |
61 | ||
62 | #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */ | |
63 | ||
64 | /* Some macros for char-based bitfields. */ | |
65 | ||
66 | #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7))) | |
67 | #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7))) | |
68 | #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7))) | |
69 | #define B_TYPE unsigned char | |
70 | #define B_BYTES(x) ( 1 + ((x)>>3) ) | |
71 | #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x)) | |
72 | ||
73 | /* Different kinds of data types are distinguished by the `code' field. */ | |
74 | ||
75 | enum type_code | |
c5aa993b JM |
76 | { |
77 | TYPE_CODE_UNDEF, /* Not used; catches errors */ | |
78 | TYPE_CODE_PTR, /* Pointer type */ | |
79 | TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */ | |
80 | TYPE_CODE_STRUCT, /* C struct or Pascal record */ | |
81 | TYPE_CODE_UNION, /* C union or Pascal variant part */ | |
82 | TYPE_CODE_ENUM, /* Enumeration type */ | |
83 | TYPE_CODE_FUNC, /* Function type */ | |
84 | TYPE_CODE_INT, /* Integer type */ | |
85 | ||
86 | /* Floating type. This is *NOT* a complex type. Beware, there are parts | |
87 | of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ | |
88 | TYPE_CODE_FLT, | |
89 | ||
90 | /* Void type. The length field specifies the length (probably always | |
91 | one) which is used in pointer arithmetic involving pointers to | |
92 | this type, but actually dereferencing such a pointer is invalid; | |
93 | a void type has no length and no actual representation in memory | |
94 | or registers. A pointer to a void type is a generic pointer. */ | |
95 | TYPE_CODE_VOID, | |
96 | ||
97 | TYPE_CODE_SET, /* Pascal sets */ | |
98 | TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ | |
99 | ||
100 | /* A string type which is like an array of character but prints | |
101 | differently (at least for CHILL). It does not contain a length | |
102 | field as Pascal strings (for many Pascals, anyway) do; if we want | |
103 | to deal with such strings, we should use a new type code. */ | |
104 | TYPE_CODE_STRING, | |
105 | ||
106 | /* String of bits; like TYPE_CODE_SET but prints differently (at least | |
107 | for CHILL). */ | |
108 | TYPE_CODE_BITSTRING, | |
109 | ||
110 | /* Unknown type. The length field is valid if we were able to | |
111 | deduce that much about the type, or 0 if we don't even know that. */ | |
112 | TYPE_CODE_ERROR, | |
113 | ||
114 | /* C++ */ | |
115 | TYPE_CODE_MEMBER, /* Member type */ | |
116 | TYPE_CODE_METHOD, /* Method type */ | |
117 | TYPE_CODE_REF, /* C++ Reference types */ | |
118 | ||
119 | TYPE_CODE_CHAR, /* *real* character type */ | |
120 | ||
121 | /* Boolean type. 0 is false, 1 is true, and other values are non-boolean | |
122 | (e.g. FORTRAN "logical" used as unsigned int). */ | |
123 | TYPE_CODE_BOOL, | |
124 | ||
125 | /* Fortran */ | |
126 | TYPE_CODE_COMPLEX, /* Complex float */ | |
127 | ||
128 | TYPE_CODE_TYPEDEF, | |
129 | TYPE_CODE_TEMPLATE, /* C++ template */ | |
130 | TYPE_CODE_TEMPLATE_ARG /* C++ template arg */ | |
131 | ||
132 | }; | |
c906108c SS |
133 | |
134 | /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an | |
135 | alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct | |
136 | "class" attribute. Perhaps we should actually have a separate TYPE_CODE | |
137 | so that we can print "class" or "struct" depending on what the debug | |
138 | info said. It's not clear we should bother. */ | |
139 | ||
140 | #define TYPE_CODE_CLASS TYPE_CODE_STRUCT | |
141 | ||
142 | /* Some bits for the type's flags word. */ | |
143 | ||
144 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the | |
145 | type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */ | |
146 | ||
147 | #define TYPE_FLAG_UNSIGNED (1 << 0) | |
148 | ||
149 | /* No sign for this type. In C++, "char", "signed char", and "unsigned | |
150 | char" are distinct types; so we need an extra flag to indicate the | |
151 | absence ofa sign! */ | |
152 | ||
153 | #define TYPE_FLAG_NOSIGN (1 << 1) | |
154 | ||
155 | /* This appears in a type's flags word if it is a stub type (e.g., if | |
156 | someone referenced a type that wasn't defined in a source file | |
157 | via (struct sir_not_appearing_in_this_film *)). */ | |
158 | ||
159 | #define TYPE_FLAG_STUB (1 << 2) | |
160 | ||
161 | /* The target type of this type is a stub type, and this type needs to | |
162 | be updated if it gets un-stubbed in check_typedef. | |
163 | Used for arrays and ranges, in which TYPE_LENGTH of the array/range | |
164 | gets set based on the TYPE_LENGTH of the target type. | |
165 | Also, set for TYPE_CODE_TYPEDEF. */ | |
166 | ||
167 | #define TYPE_FLAG_TARGET_STUB (1 << 3) | |
168 | ||
169 | /* Static type. If this is set, the corresponding type had | |
170 | * a static modifier. | |
171 | * Note: This may be unnecessary, since static data members | |
172 | * are indicated by other means (bitpos == -1) | |
173 | */ | |
174 | ||
175 | #define TYPE_FLAG_STATIC (1 << 4) | |
176 | ||
177 | /* Constant type. If this is set, the corresponding type has a | |
178 | * const modifier. | |
179 | */ | |
180 | ||
181 | #define TYPE_FLAG_CONST (1 << 5) | |
182 | ||
183 | /* Volatile type. If this is set, the corresponding type has a | |
184 | * volatile modifier. | |
185 | */ | |
186 | ||
187 | #define TYPE_FLAG_VOLATILE (1 << 6) | |
188 | ||
189 | ||
190 | /* This is a function type which appears to have a prototype. We need this | |
191 | for function calls in order to tell us if it's necessary to coerce the args, | |
192 | or to just do the standard conversions. This is used with a short field. */ | |
193 | ||
194 | #define TYPE_FLAG_PROTOTYPED (1 << 7) | |
195 | ||
196 | /* This flag is used to indicate that processing for this type | |
197 | is incomplete. | |
c5aa993b | 198 | |
c906108c SS |
199 | (Mostly intended for HP platforms, where class methods, for |
200 | instance, can be encountered before their classes in the debug | |
201 | info; the incomplete type has to be marked so that the class and | |
202 | the method can be assigned correct types.) */ | |
203 | ||
204 | #define TYPE_FLAG_INCOMPLETE (1 << 8) | |
205 | ||
206 | ||
207 | struct type | |
c5aa993b | 208 | { |
c906108c | 209 | |
c5aa993b | 210 | /* Code for kind of type */ |
c906108c | 211 | |
c5aa993b | 212 | enum type_code code; |
c906108c | 213 | |
c5aa993b | 214 | /* Name of this type, or NULL if none. |
c906108c | 215 | |
c5aa993b JM |
216 | This is used for printing only, except by poorly designed C++ code. |
217 | For looking up a name, look for a symbol in the VAR_NAMESPACE. */ | |
c906108c | 218 | |
c5aa993b | 219 | char *name; |
c906108c | 220 | |
c5aa993b JM |
221 | /* Tag name for this type, or NULL if none. This means that the |
222 | name of the type consists of a keyword followed by the tag name. | |
223 | Which keyword is determined by the type code ("struct" for | |
224 | TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages | |
225 | with this feature. | |
c906108c | 226 | |
c5aa993b JM |
227 | This is used for printing only, except by poorly designed C++ code. |
228 | For looking up a name, look for a symbol in the STRUCT_NAMESPACE. | |
229 | One more legitimate use is that if TYPE_FLAG_STUB is set, this is | |
230 | the name to use to look for definitions in other files. */ | |
c906108c | 231 | |
c5aa993b | 232 | char *tag_name; |
c906108c | 233 | |
c5aa993b JM |
234 | /* Length of storage for a value of this type. Various places pass |
235 | this to memcpy and such, meaning it must be in units of | |
236 | HOST_CHAR_BIT. Various other places expect they can calculate | |
237 | addresses by adding it and such, meaning it must be in units of | |
238 | TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT | |
239 | will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this | |
240 | is a problem. One fix would be to make this field in bits | |
241 | (requiring that it always be a multiple of HOST_CHAR_BIT and | |
242 | TARGET_CHAR_BIT)--the other choice would be to make it | |
243 | consistently in units of HOST_CHAR_BIT. */ | |
c906108c | 244 | |
c5aa993b | 245 | unsigned length; |
c906108c | 246 | |
c5aa993b JM |
247 | /* FIXME, these should probably be restricted to a Fortran-specific |
248 | field in some fashion. */ | |
c906108c SS |
249 | #define BOUND_CANNOT_BE_DETERMINED 5 |
250 | #define BOUND_BY_REF_ON_STACK 4 | |
251 | #define BOUND_BY_VALUE_ON_STACK 3 | |
252 | #define BOUND_BY_REF_IN_REG 2 | |
253 | #define BOUND_BY_VALUE_IN_REG 1 | |
254 | #define BOUND_SIMPLE 0 | |
c5aa993b JM |
255 | int upper_bound_type; |
256 | int lower_bound_type; | |
c906108c | 257 | |
c5aa993b JM |
258 | /* Every type is now associated with a particular objfile, and the |
259 | type is allocated on the type_obstack for that objfile. One problem | |
260 | however, is that there are times when gdb allocates new types while | |
261 | it is not in the process of reading symbols from a particular objfile. | |
262 | Fortunately, these happen when the type being created is a derived | |
263 | type of an existing type, such as in lookup_pointer_type(). So | |
264 | we can just allocate the new type using the same objfile as the | |
265 | existing type, but to do this we need a backpointer to the objfile | |
266 | from the existing type. Yes this is somewhat ugly, but without | |
267 | major overhaul of the internal type system, it can't be avoided | |
268 | for now. */ | |
c906108c | 269 | |
c5aa993b | 270 | struct objfile *objfile; |
c906108c | 271 | |
c5aa993b JM |
272 | /* For a pointer type, describes the type of object pointed to. |
273 | For an array type, describes the type of the elements. | |
274 | For a function or method type, describes the type of the return value. | |
275 | For a range type, describes the type of the full range. | |
276 | For a complex type, describes the type of each coordinate. | |
277 | Unused otherwise. */ | |
c906108c | 278 | |
c5aa993b | 279 | struct type *target_type; |
c906108c | 280 | |
c5aa993b JM |
281 | /* Type that is a pointer to this type. |
282 | NULL if no such pointer-to type is known yet. | |
283 | The debugger may add the address of such a type | |
284 | if it has to construct one later. */ | |
c906108c | 285 | |
c5aa993b | 286 | struct type *pointer_type; |
c906108c | 287 | |
c5aa993b | 288 | /* C++: also need a reference type. */ |
c906108c | 289 | |
c5aa993b | 290 | struct type *reference_type; |
c906108c | 291 | |
c5aa993b JM |
292 | /* C-v variant chain. This points to a type that |
293 | differs from this one only in a const or volatile | |
294 | attribute (or both). The various c-v variants | |
295 | are chained together in a ring. */ | |
296 | struct type *cv_type; | |
c906108c | 297 | |
c5aa993b | 298 | /* Flags about this type. */ |
c906108c | 299 | |
c5aa993b | 300 | int flags; |
c906108c | 301 | |
c5aa993b | 302 | /* Number of fields described for this type */ |
c906108c | 303 | |
c5aa993b | 304 | short nfields; |
c906108c | 305 | |
c5aa993b JM |
306 | /* For structure and union types, a description of each field. |
307 | For set and pascal array types, there is one "field", | |
308 | whose type is the domain type of the set or array. | |
309 | For range types, there are two "fields", | |
310 | the minimum and maximum values (both inclusive). | |
311 | For enum types, each possible value is described by one "field". | |
312 | For a function type, a "field" for each parameter type. | |
313 | For C++ classes, there is one field for each base class (if it is | |
314 | a derived class) plus one field for each class data member. Member | |
315 | functions are recorded elsewhere. | |
c906108c | 316 | |
c5aa993b JM |
317 | Using a pointer to a separate array of fields |
318 | allows all types to have the same size, which is useful | |
319 | because we can allocate the space for a type before | |
320 | we know what to put in it. */ | |
c906108c | 321 | |
c5aa993b JM |
322 | struct field |
323 | { | |
c906108c SS |
324 | |
325 | ||
326 | ||
c5aa993b JM |
327 | union field_location |
328 | { | |
329 | /* Position of this field, counting in bits from start of | |
330 | containing structure. | |
331 | For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. | |
332 | For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. | |
333 | For a function type, this is the position in the argument list | |
334 | of this argument. | |
335 | For a range bound or enum value, this is the value itself. */ | |
c906108c | 336 | |
c5aa993b | 337 | int bitpos; |
c906108c | 338 | |
c5aa993b JM |
339 | /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr |
340 | is the location (in the target) of the static field. | |
341 | Otherwise, physname is the mangled label of the static field. */ | |
c906108c | 342 | |
c5aa993b JM |
343 | CORE_ADDR physaddr; |
344 | char *physname; | |
345 | } | |
346 | loc; | |
c906108c | 347 | |
c5aa993b JM |
348 | /* Size of this field, in bits, or zero if not packed. |
349 | For an unpacked field, the field's type's length | |
350 | says how many bytes the field occupies. | |
351 | A value of -1 or -2 indicates a static field; -1 means the location | |
352 | is specified by the label loc.physname; -2 means that loc.physaddr | |
353 | specifies the actual address. */ | |
c906108c | 354 | |
c5aa993b | 355 | int bitsize; |
c906108c | 356 | |
c5aa993b JM |
357 | /* In a struct or union type, type of this field. |
358 | In a function type, type of this argument. | |
359 | In an array type, the domain-type of the array. */ | |
c906108c | 360 | |
c5aa993b | 361 | struct type *type; |
c906108c | 362 | |
c5aa993b JM |
363 | /* Name of field, value or argument. |
364 | NULL for range bounds and array domains. */ | |
c906108c | 365 | |
c5aa993b | 366 | char *name; |
c906108c | 367 | |
c5aa993b JM |
368 | } |
369 | *fields; | |
c906108c | 370 | |
c5aa993b JM |
371 | /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE |
372 | is the base class which defined the virtual function table pointer. | |
c906108c | 373 | |
c5aa993b JM |
374 | For types that are pointer to member types (TYPE_CODE_MEMBER), |
375 | VPTR_BASETYPE is the type that this pointer is a member of. | |
c906108c | 376 | |
c5aa993b JM |
377 | For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate |
378 | type that contains the method. | |
c906108c | 379 | |
c5aa993b | 380 | Unused otherwise. */ |
c906108c | 381 | |
c5aa993b | 382 | struct type *vptr_basetype; |
c906108c | 383 | |
c5aa993b JM |
384 | /* Field number of the virtual function table pointer in |
385 | VPTR_BASETYPE. If -1, we were unable to find the virtual | |
386 | function table pointer in initial symbol reading, and | |
387 | fill_in_vptr_fieldno should be called to find it if possible. | |
c906108c | 388 | |
c5aa993b | 389 | Unused if this type does not have virtual functions. */ |
c906108c | 390 | |
c5aa993b | 391 | int vptr_fieldno; |
c906108c | 392 | |
c5aa993b | 393 | /* Slot to point to additional language-specific fields of this type. */ |
c906108c | 394 | |
c5aa993b JM |
395 | union type_specific |
396 | { | |
c906108c | 397 | |
c5aa993b JM |
398 | /* ARG_TYPES is for TYPE_CODE_METHOD. |
399 | Contains the type of each argument, ending with a void type | |
400 | after the last argument for normal member functions or a NULL | |
401 | pointer after the last argument for functions with variable | |
402 | arguments. */ | |
c906108c | 403 | |
c5aa993b | 404 | struct type **arg_types; |
c906108c | 405 | |
c5aa993b JM |
406 | /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
407 | cplus_struct_default, a default static instance of a struct | |
408 | cplus_struct_type. */ | |
c906108c | 409 | |
c5aa993b | 410 | struct cplus_struct_type *cplus_stuff; |
c906108c | 411 | |
c5aa993b JM |
412 | } |
413 | type_specific; | |
414 | }; | |
c906108c SS |
415 | |
416 | #define NULL_TYPE ((struct type *) 0) | |
417 | ||
418 | /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION | |
419 | nodes. */ | |
420 | ||
421 | struct cplus_struct_type | |
c5aa993b JM |
422 | { |
423 | /* Number of base classes this type derives from. The baseclasses are | |
424 | stored in the first N_BASECLASSES fields (i.e. the `fields' field of | |
425 | the struct type). I think only the `type' field of such a field has | |
426 | any meaning. */ | |
c906108c | 427 | |
c5aa993b | 428 | short n_baseclasses; |
c906108c | 429 | |
c5aa993b JM |
430 | /* Number of methods with unique names. All overloaded methods with |
431 | the same name count only once. */ | |
c906108c | 432 | |
c5aa993b | 433 | short nfn_fields; |
c906108c | 434 | |
c5aa993b JM |
435 | /* Number of methods described for this type, not including the |
436 | methods that it derives from. */ | |
c906108c | 437 | |
c5aa993b | 438 | short nfn_fields_total; |
c906108c | 439 | |
c5aa993b JM |
440 | /* The "declared_type" field contains a code saying how the |
441 | user really declared this type, e.g., "class s", "union s", | |
442 | "struct s". | |
443 | The 3 above things come out from the C++ compiler looking like classes, | |
444 | but we keep track of the real declaration so we can give | |
445 | the correct information on "ptype". (Note: TEMPLATE may not | |
446 | belong in this list...) */ | |
c906108c SS |
447 | |
448 | #define DECLARED_TYPE_CLASS 0 | |
449 | #define DECLARED_TYPE_UNION 1 | |
450 | #define DECLARED_TYPE_STRUCT 2 | |
451 | #define DECLARED_TYPE_TEMPLATE 3 | |
c5aa993b JM |
452 | short declared_type; /* One of the above codes */ |
453 | ||
454 | /* For derived classes, the number of base classes is given by n_baseclasses | |
455 | and virtual_field_bits is a bit vector containing one bit per base class. | |
456 | If the base class is virtual, the corresponding bit will be set. | |
457 | I.E, given: | |
c906108c | 458 | |
c5aa993b JM |
459 | class A{}; |
460 | class B{}; | |
461 | class C : public B, public virtual A {}; | |
c906108c | 462 | |
c5aa993b JM |
463 | B is a baseclass of C; A is a virtual baseclass for C. |
464 | This is a C++ 2.0 language feature. */ | |
c906108c | 465 | |
c5aa993b | 466 | B_TYPE *virtual_field_bits; |
c906108c | 467 | |
c5aa993b JM |
468 | /* For classes with private fields, the number of fields is given by |
469 | nfields and private_field_bits is a bit vector containing one bit | |
470 | per field. | |
471 | If the field is private, the corresponding bit will be set. */ | |
c906108c | 472 | |
c5aa993b | 473 | B_TYPE *private_field_bits; |
c906108c | 474 | |
c5aa993b JM |
475 | /* For classes with protected fields, the number of fields is given by |
476 | nfields and protected_field_bits is a bit vector containing one bit | |
477 | per field. | |
478 | If the field is private, the corresponding bit will be set. */ | |
c906108c | 479 | |
c5aa993b | 480 | B_TYPE *protected_field_bits; |
c906108c | 481 | |
c5aa993b JM |
482 | /* for classes with fields to be ignored, either this is optimized out |
483 | or this field has length 0 */ | |
c906108c | 484 | |
c5aa993b | 485 | B_TYPE *ignore_field_bits; |
c906108c | 486 | |
c5aa993b JM |
487 | /* For classes, structures, and unions, a description of each field, |
488 | which consists of an overloaded name, followed by the types of | |
489 | arguments that the method expects, and then the name after it | |
490 | has been renamed to make it distinct. | |
c906108c | 491 | |
c5aa993b | 492 | fn_fieldlists points to an array of nfn_fields of these. */ |
c906108c | 493 | |
c5aa993b JM |
494 | struct fn_fieldlist |
495 | { | |
c906108c | 496 | |
c5aa993b | 497 | /* The overloaded name. */ |
c906108c | 498 | |
c5aa993b | 499 | char *name; |
c906108c | 500 | |
c5aa993b | 501 | /* The number of methods with this name. */ |
c906108c | 502 | |
c5aa993b | 503 | int length; |
c906108c | 504 | |
c5aa993b | 505 | /* The list of methods. */ |
c906108c | 506 | |
c5aa993b JM |
507 | struct fn_field |
508 | { | |
c906108c | 509 | |
c5aa993b JM |
510 | /* If is_stub is clear, this is the mangled name which we can |
511 | look up to find the address of the method (FIXME: it would | |
512 | be cleaner to have a pointer to the struct symbol here | |
513 | instead). */ | |
c906108c | 514 | |
c5aa993b JM |
515 | /* If is_stub is set, this is the portion of the mangled |
516 | name which specifies the arguments. For example, "ii", | |
517 | if there are two int arguments, or "" if there are no | |
518 | arguments. See gdb_mangle_name for the conversion from this | |
519 | format to the one used if is_stub is clear. */ | |
c906108c | 520 | |
c5aa993b | 521 | char *physname; |
c906108c | 522 | |
c5aa993b JM |
523 | /* The function type for the method. |
524 | (This comment used to say "The return value of the method", | |
525 | but that's wrong. The function type | |
526 | is expected here, i.e. something with TYPE_CODE_FUNC, | |
527 | and *not* the return-value type). */ | |
c906108c | 528 | |
c5aa993b | 529 | struct type *type; |
c906108c | 530 | |
c5aa993b JM |
531 | /* The argument list. Only valid if is_stub is clear. Contains |
532 | the type of each argument, including `this', and ending with | |
533 | a NULL pointer after the last argument. Should not contain | |
534 | a `this' pointer for static member functions. */ | |
c906108c | 535 | |
c5aa993b | 536 | struct type **args; |
c906108c | 537 | |
c5aa993b JM |
538 | /* For virtual functions. |
539 | First baseclass that defines this virtual function. */ | |
c906108c | 540 | |
c5aa993b | 541 | struct type *fcontext; |
c906108c | 542 | |
c5aa993b | 543 | /* Attributes. */ |
c906108c | 544 | |
c5aa993b JM |
545 | unsigned int is_const:1; |
546 | unsigned int is_volatile:1; | |
547 | unsigned int is_private:1; | |
548 | unsigned int is_protected:1; | |
549 | unsigned int is_public:1; | |
550 | unsigned int is_abstract:1; | |
551 | unsigned int is_static:1; | |
552 | unsigned int is_final:1; | |
553 | unsigned int is_synchronized:1; | |
554 | unsigned int is_native:1; | |
c906108c | 555 | |
c5aa993b JM |
556 | /* A stub method only has some fields valid (but they are enough |
557 | to reconstruct the rest of the fields). */ | |
558 | unsigned int is_stub:1; | |
c906108c | 559 | |
c5aa993b JM |
560 | /* C++ method that is inlined */ |
561 | unsigned int is_inlined:1; | |
c906108c | 562 | |
c5aa993b JM |
563 | /* Unused. */ |
564 | unsigned int dummy:4; | |
c906108c | 565 | |
c5aa993b JM |
566 | /* Index into that baseclass's virtual function table, |
567 | minus 2; else if static: VOFFSET_STATIC; else: 0. */ | |
c906108c | 568 | |
c5aa993b | 569 | unsigned int voffset:16; |
c906108c | 570 | |
c5aa993b | 571 | #define VOFFSET_STATIC 1 |
c906108c | 572 | |
c5aa993b JM |
573 | } |
574 | *fn_fields; | |
c906108c | 575 | |
c5aa993b JM |
576 | } |
577 | *fn_fieldlists; | |
c906108c SS |
578 | |
579 | /* If this "struct type" describes a template, then it | |
580 | * has arguments. "template_args" points to an array of | |
581 | * template arg descriptors, of length "ntemplate_args". | |
582 | * The only real information in each of these template arg descriptors | |
583 | * is a name. "type" will typically just point to a "struct type" with | |
584 | * the placeholder TYPE_CODE_TEMPLATE_ARG type. | |
585 | */ | |
586 | short ntemplate_args; | |
587 | struct template_arg | |
c5aa993b JM |
588 | { |
589 | char *name; | |
590 | struct type *type; | |
591 | } | |
592 | *template_args; | |
c906108c SS |
593 | |
594 | /* If this "struct type" describes a template, it has a list | |
595 | * of instantiations. "instantiations" is a pointer to an array | |
596 | * of type's, one representing each instantiation. There | |
597 | * are "ninstantiations" elements in this array. | |
598 | */ | |
599 | short ninstantiations; | |
600 | struct type **instantiations; | |
601 | ||
602 | /* The following points to information relevant to the runtime model | |
603 | * of the compiler. | |
604 | * Currently being used only for HP's ANSI C++ compiler. | |
605 | * (This type may have to be changed/enhanced for other compilers.) | |
606 | * | |
607 | * RUNTIME_PTR is NULL if there is no runtime information (currently | |
608 | * this means the type was not compiled by HP aCC). | |
609 | * | |
610 | * Fields in structure pointed to: | |
611 | * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present | |
612 | * | |
613 | * ->PRIMARY_BASE points to the first non-virtual base class that has | |
614 | * a virtual table. | |
615 | * | |
616 | * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that | |
617 | * point to the type information for all virtual bases among this type's | |
618 | * ancestors. | |
619 | */ | |
c5aa993b JM |
620 | struct runtime_info |
621 | { | |
622 | short has_vtable; | |
623 | struct type *primary_base; | |
624 | struct type **virtual_base_list; | |
625 | } | |
626 | *runtime_ptr; | |
c906108c SS |
627 | |
628 | /* Pointer to information about enclosing scope, if this is a | |
629 | * local type. If it is not a local type, this is NULL | |
630 | */ | |
c5aa993b JM |
631 | struct local_type_info |
632 | { | |
633 | char *file; | |
634 | int line; | |
635 | } | |
636 | *localtype_ptr; | |
637 | }; | |
c906108c SS |
638 | |
639 | /* Struct used in computing virtual base list */ | |
640 | struct vbase | |
c5aa993b JM |
641 | { |
642 | struct type *vbasetype; /* pointer to virtual base */ | |
643 | struct vbase *next; /* next in chain */ | |
644 | }; | |
c906108c SS |
645 | |
646 | /* Struct used for ranking a function for overload resolution */ | |
c5aa993b JM |
647 | struct badness_vector |
648 | { | |
649 | int length; | |
650 | int *rank; | |
651 | }; | |
c906108c SS |
652 | |
653 | /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the | |
654 | this shared static structure. */ | |
655 | ||
656 | extern const struct cplus_struct_type cplus_struct_default; | |
657 | ||
658 | extern void | |
659 | allocate_cplus_struct_type PARAMS ((struct type *)); | |
660 | ||
661 | #define INIT_CPLUS_SPECIFIC(type) \ | |
662 | (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) | |
663 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) | |
664 | #define HAVE_CPLUS_STRUCT(type) \ | |
665 | (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) | |
666 | ||
667 | #define TYPE_NAME(thistype) (thistype)->name | |
668 | #define TYPE_TAG_NAME(type) ((type)->tag_name) | |
669 | #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type | |
670 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type | |
671 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type | |
672 | #define TYPE_CV_TYPE(thistype) (thistype)->cv_type | |
673 | /* Note that if thistype is a TYPEDEF type, you have to call check_typedef. | |
674 | But check_typedef does set the TYPE_LENGTH of the TYPEDEF type, | |
675 | so you only have to call check_typedef once. Since allocate_value | |
676 | calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */ | |
677 | #define TYPE_LENGTH(thistype) (thistype)->length | |
678 | #define TYPE_OBJFILE(thistype) (thistype)->objfile | |
679 | #define TYPE_FLAGS(thistype) (thistype)->flags | |
680 | #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED) | |
681 | #define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN) | |
682 | #define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST) | |
683 | #define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE) | |
684 | #define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE) | |
685 | /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real | |
686 | type, you need to do TYPE_CODE (check_type (this_type)). */ | |
687 | #define TYPE_CODE(thistype) (thistype)->code | |
688 | #define TYPE_NFIELDS(thistype) (thistype)->nfields | |
689 | #define TYPE_FIELDS(thistype) (thistype)->fields | |
690 | #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args | |
691 | #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations | |
692 | ||
693 | #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0) | |
694 | #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0) | |
695 | #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1) | |
696 | ||
697 | /* Moto-specific stuff for FORTRAN arrays */ | |
698 | ||
699 | #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type | |
700 | #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type | |
701 | ||
702 | #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ | |
703 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1)) | |
704 | ||
705 | #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \ | |
706 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0)) | |
707 | ||
708 | /* C++ */ | |
709 | ||
710 | #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype | |
711 | #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype | |
712 | #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno | |
713 | #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields | |
714 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields | |
715 | #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total | |
716 | #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args | |
717 | #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations | |
718 | #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type | |
719 | #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific | |
720 | #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types | |
721 | #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff | |
722 | #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type | |
723 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses | |
724 | #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name | |
725 | #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index) | |
726 | #define BASETYPE_VIA_PUBLIC(thistype, index) \ | |
727 | ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index))) | |
728 | ||
729 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ | |
730 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
731 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))) | |
732 | ||
733 | #define FIELD_TYPE(thisfld) ((thisfld).type) | |
734 | #define FIELD_NAME(thisfld) ((thisfld).name) | |
735 | #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos) | |
736 | #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize) | |
737 | #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname) | |
738 | #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr) | |
739 | #define SET_FIELD_PHYSNAME(thisfld, name) \ | |
740 | ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name)) | |
741 | #define SET_FIELD_PHYSADDR(thisfld, name) \ | |
742 | ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name)) | |
743 | #define TYPE_FIELD(thistype, n) (thistype)->fields[n] | |
744 | #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n)) | |
745 | #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n)) | |
746 | #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n)) | |
747 | #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n)) | |
748 | #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0) | |
749 | #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n] | |
750 | #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n] | |
751 | ||
752 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ | |
753 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits | |
754 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ | |
755 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits | |
756 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ | |
757 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits | |
758 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ | |
759 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits | |
760 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ | |
761 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) | |
762 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ | |
763 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) | |
764 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ | |
765 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) | |
766 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ | |
767 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
768 | #define TYPE_FIELD_PRIVATE(thistype, n) \ | |
769 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ | |
770 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) | |
771 | #define TYPE_FIELD_PROTECTED(thistype, n) \ | |
772 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ | |
773 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) | |
774 | #define TYPE_FIELD_IGNORE(thistype, n) \ | |
775 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ | |
776 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) | |
777 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ | |
778 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
779 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))) | |
780 | ||
781 | #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0) | |
782 | #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2) | |
783 | #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n)) | |
784 | #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n)) | |
785 | ||
786 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists | |
787 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] | |
788 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields | |
789 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name | |
790 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length | |
791 | ||
792 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] | |
793 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname | |
794 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type | |
795 | #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type) | |
796 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) | |
797 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) | |
798 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) | |
799 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) | |
800 | #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public) | |
801 | #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static) | |
802 | #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final) | |
803 | #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized) | |
804 | #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native) | |
805 | #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract) | |
806 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) | |
807 | #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined) | |
808 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) | |
809 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) | |
810 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) | |
811 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) | |
812 | ||
813 | #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr) | |
814 | #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable) | |
815 | #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype)) | |
816 | #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base) | |
817 | #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list) | |
c5aa993b | 818 | |
c906108c SS |
819 | #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr) |
820 | #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file) | |
821 | #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line) | |
c5aa993b | 822 | |
c906108c SS |
823 | #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \ |
824 | (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \ | |
825 | (TYPE_NFIELDS (thistype) == 0) && \ | |
826 | (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0))) | |
c5aa993b JM |
827 | |
828 | ||
829 | ||
c906108c SS |
830 | /* Implicit sizes */ |
831 | extern struct type *builtin_type_void; | |
832 | extern struct type *builtin_type_char; | |
833 | extern struct type *builtin_type_short; | |
834 | extern struct type *builtin_type_int; | |
835 | extern struct type *builtin_type_long; | |
836 | extern struct type *builtin_type_signed_char; | |
837 | extern struct type *builtin_type_unsigned_char; | |
838 | extern struct type *builtin_type_unsigned_short; | |
839 | extern struct type *builtin_type_unsigned_int; | |
840 | extern struct type *builtin_type_unsigned_long; | |
841 | extern struct type *builtin_type_float; | |
842 | extern struct type *builtin_type_double; | |
843 | extern struct type *builtin_type_long_double; | |
844 | extern struct type *builtin_type_complex; | |
845 | extern struct type *builtin_type_double_complex; | |
846 | extern struct type *builtin_type_string; | |
847 | extern struct type *builtin_type_bool; | |
848 | ||
849 | /* Explicit sizes - see <intypes.h> for naming schema */ | |
850 | extern struct type *builtin_type_int8; | |
851 | extern struct type *builtin_type_uint8; | |
852 | extern struct type *builtin_type_int16; | |
853 | extern struct type *builtin_type_uint16; | |
854 | extern struct type *builtin_type_int32; | |
855 | extern struct type *builtin_type_uint32; | |
856 | extern struct type *builtin_type_int64; | |
857 | extern struct type *builtin_type_uint64; | |
858 | ||
9e0b60a8 JM |
859 | /* We use this for the '/c' print format, because builtin_type_char is |
860 | just a one-byte integral type, which languages less laid back than | |
861 | C will print as ... well, a one-byte integral type. */ | |
862 | extern struct type *builtin_type_true_char; | |
863 | ||
c906108c SS |
864 | /* This type represents a type that was unrecognized in symbol |
865 | read-in. */ | |
866 | ||
867 | extern struct type *builtin_type_error; | |
868 | ||
869 | extern struct type *builtin_type_long_long; | |
870 | extern struct type *builtin_type_unsigned_long_long; | |
871 | ||
872 | /* Modula-2 types */ | |
873 | ||
874 | extern struct type *builtin_type_m2_char; | |
875 | extern struct type *builtin_type_m2_int; | |
876 | extern struct type *builtin_type_m2_card; | |
877 | extern struct type *builtin_type_m2_real; | |
878 | extern struct type *builtin_type_m2_bool; | |
879 | ||
880 | /* Chill types */ | |
881 | ||
882 | extern struct type *builtin_type_chill_bool; | |
883 | extern struct type *builtin_type_chill_char; | |
884 | extern struct type *builtin_type_chill_long; | |
885 | extern struct type *builtin_type_chill_ulong; | |
886 | extern struct type *builtin_type_chill_real; | |
887 | ||
888 | /* Fortran (F77) types */ | |
889 | ||
890 | extern struct type *builtin_type_f_character; | |
891 | extern struct type *builtin_type_f_integer; | |
892 | extern struct type *builtin_type_f_logical; | |
893 | extern struct type *builtin_type_f_logical_s1; | |
894 | extern struct type *builtin_type_f_logical_s2; | |
c5aa993b | 895 | extern struct type *builtin_type_f_integer; |
c906108c SS |
896 | extern struct type *builtin_type_f_integer_s2; |
897 | extern struct type *builtin_type_f_real; | |
898 | extern struct type *builtin_type_f_real_s8; | |
899 | extern struct type *builtin_type_f_real_s16; | |
900 | extern struct type *builtin_type_f_complex_s8; | |
901 | extern struct type *builtin_type_f_complex_s16; | |
902 | extern struct type *builtin_type_f_complex_s32; | |
903 | extern struct type *builtin_type_f_void; | |
904 | ||
905 | /* RTTI for C++ */ | |
c5aa993b | 906 | /* extern struct type *builtin_type_cxx_typeinfo; */ |
c906108c SS |
907 | |
908 | /* Maximum and minimum values of built-in types */ | |
909 | ||
910 | #define MAX_OF_TYPE(t) \ | |
911 | TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ | |
912 | : MAX_OF_SIZE(TYPE_LENGTH(t)) | |
913 | ||
914 | #define MIN_OF_TYPE(t) \ | |
915 | TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ | |
916 | : MIN_OF_SIZE(TYPE_LENGTH(t)) | |
917 | ||
918 | /* Allocate space for storing data associated with a particular type. | |
919 | We ensure that the space is allocated using the same mechanism that | |
920 | was used to allocate the space for the type structure itself. I.E. | |
921 | if the type is on an objfile's type_obstack, then the space for data | |
922 | associated with that type will also be allocated on the type_obstack. | |
923 | If the type is not associated with any particular objfile (such as | |
924 | builtin types), then the data space will be allocated with xmalloc, | |
925 | the same as for the type structure. */ | |
926 | ||
927 | #define TYPE_ALLOC(t,size) \ | |
928 | (TYPE_OBJFILE (t) != NULL \ | |
929 | ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \ | |
930 | : xmalloc (size)) | |
931 | ||
932 | extern struct type * | |
c5aa993b | 933 | alloc_type PARAMS ((struct objfile *)); |
c906108c SS |
934 | |
935 | extern struct type * | |
c5aa993b | 936 | init_type PARAMS ((enum type_code, int, int, char *, struct objfile *)); |
c906108c SS |
937 | |
938 | extern struct type * | |
c5aa993b | 939 | lookup_reference_type PARAMS ((struct type *)); |
c906108c SS |
940 | |
941 | extern struct type * | |
c5aa993b | 942 | make_reference_type PARAMS ((struct type *, struct type **)); |
c906108c SS |
943 | |
944 | extern struct type * | |
c5aa993b | 945 | make_cv_type PARAMS ((int, int, struct type *, struct type **)); |
c906108c SS |
946 | |
947 | extern struct type * | |
c5aa993b | 948 | lookup_member_type PARAMS ((struct type *, struct type *)); |
c906108c SS |
949 | |
950 | extern void | |
951 | smash_to_method_type PARAMS ((struct type *, struct type *, struct type *, | |
952 | struct type **)); | |
953 | ||
954 | extern void | |
955 | smash_to_member_type PARAMS ((struct type *, struct type *, struct type *)); | |
956 | ||
957 | extern struct type * | |
c5aa993b | 958 | allocate_stub_method PARAMS ((struct type *)); |
c906108c SS |
959 | |
960 | extern char * | |
c5aa993b | 961 | type_name_no_tag PARAMS ((const struct type *)); |
c906108c SS |
962 | |
963 | extern struct type * | |
c5aa993b | 964 | lookup_struct_elt_type PARAMS ((struct type *, char *, int)); |
c906108c SS |
965 | |
966 | extern struct type * | |
c5aa993b | 967 | make_pointer_type PARAMS ((struct type *, struct type **)); |
c906108c SS |
968 | |
969 | extern struct type * | |
c5aa993b | 970 | lookup_pointer_type PARAMS ((struct type *)); |
c906108c SS |
971 | |
972 | extern struct type * | |
c5aa993b | 973 | make_function_type PARAMS ((struct type *, struct type **)); |
c906108c SS |
974 | |
975 | extern struct type * | |
c5aa993b | 976 | lookup_function_type PARAMS ((struct type *)); |
c906108c SS |
977 | |
978 | extern struct type * | |
c5aa993b | 979 | create_range_type PARAMS ((struct type *, struct type *, int, int)); |
c906108c SS |
980 | |
981 | extern struct type * | |
c5aa993b | 982 | create_array_type PARAMS ((struct type *, struct type *, struct type *)); |
c906108c SS |
983 | |
984 | extern struct type * | |
c5aa993b | 985 | create_string_type PARAMS ((struct type *, struct type *)); |
c906108c SS |
986 | |
987 | extern struct type *create_set_type PARAMS ((struct type *, struct type *)); | |
988 | ||
c5aa993b | 989 | extern int chill_varying_type PARAMS ((struct type *)); |
c906108c SS |
990 | |
991 | extern struct type * | |
c5aa993b | 992 | lookup_unsigned_typename PARAMS ((char *)); |
c906108c SS |
993 | |
994 | extern struct type * | |
c5aa993b | 995 | lookup_signed_typename PARAMS ((char *)); |
c906108c SS |
996 | |
997 | extern struct type * | |
c5aa993b | 998 | check_typedef PARAMS ((struct type *)); |
c906108c SS |
999 | |
1000 | #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE) | |
1001 | ||
1002 | extern void | |
1003 | check_stub_method PARAMS ((struct type *, int, int)); | |
1004 | ||
1005 | extern struct type * | |
c5aa993b | 1006 | lookup_primitive_typename PARAMS ((char *)); |
c906108c SS |
1007 | |
1008 | extern char * | |
c5aa993b | 1009 | gdb_mangle_name PARAMS ((struct type *, int, int)); |
c906108c SS |
1010 | |
1011 | extern struct type * | |
c5aa993b | 1012 | builtin_type PARAMS ((char **)); |
c906108c SS |
1013 | |
1014 | extern struct type * | |
c5aa993b | 1015 | lookup_typename PARAMS ((char *, struct block *, int)); |
c906108c SS |
1016 | |
1017 | extern struct type * | |
c5aa993b | 1018 | lookup_template_type PARAMS ((char *, struct type *, struct block *)); |
c906108c SS |
1019 | |
1020 | extern struct type * | |
c5aa993b | 1021 | lookup_fundamental_type PARAMS ((struct objfile *, int)); |
c906108c SS |
1022 | |
1023 | extern void | |
1024 | fill_in_vptr_fieldno PARAMS ((struct type *)); | |
1025 | ||
1026 | extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *)); | |
1027 | ||
c5aa993b | 1028 | extern int get_discrete_bounds PARAMS ((struct type *, LONGEST *, LONGEST *)); |
c906108c SS |
1029 | |
1030 | extern int | |
1031 | is_ancestor PARAMS ((struct type *, struct type *)); | |
1032 | ||
1033 | extern int | |
1034 | has_vtable PARAMS ((struct type *)); | |
1035 | ||
1036 | extern struct type * | |
c5aa993b | 1037 | primary_base_class PARAMS ((struct type *)); |
c906108c SS |
1038 | |
1039 | extern struct type ** | |
c5aa993b | 1040 | virtual_base_list PARAMS ((struct type *)); |
c906108c SS |
1041 | |
1042 | extern int | |
1043 | virtual_base_list_length PARAMS ((struct type *)); | |
1044 | extern int | |
1045 | virtual_base_list_length_skip_primaries PARAMS ((struct type *)); | |
1046 | ||
1047 | extern int | |
1048 | virtual_base_index PARAMS ((struct type *, struct type *)); | |
1049 | extern int | |
1050 | virtual_base_index_skip_primaries PARAMS ((struct type *, struct type *)); | |
1051 | ||
1052 | ||
1053 | extern int | |
1054 | class_index_in_primary_list PARAMS ((struct type *)); | |
1055 | ||
1056 | extern int | |
c5aa993b | 1057 | count_virtual_fns PARAMS ((struct type *)); |
c906108c SS |
1058 | |
1059 | /* Constants for HP/Taligent ANSI C++ runtime model */ | |
1060 | ||
1061 | /* Where virtual function entries begin in the | |
1062 | * virtual table, in the non-RRBC vtable format. | |
1063 | * First 4 are the metavtable pointer, top offset, | |
1064 | * typeinfo pointer, and dup base info pointer */ | |
1065 | #define HP_ACC_VFUNC_START 4 | |
1066 | ||
1067 | /* (Negative) Offset where virtual base offset entries begin | |
1068 | * in the virtual table. Skips over metavtable pointer and | |
1069 | * the self-offset entry. | |
1070 | * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets | |
1071 | * appear before the address point of the vtable (the slot | |
1072 | * pointed to by the object's vtable pointer), i.e. at lower | |
1073 | * addresses than the vtable pointer. */ | |
1074 | #define HP_ACC_VBASE_START 2 | |
1075 | ||
1076 | /* (Positive) Offset where the pointer to the typeinfo | |
1077 | * object is present in the virtual table */ | |
1078 | #define HP_ACC_TYPEINFO_OFFSET 2 | |
1079 | ||
1080 | /* (Positive) Offset where the ``top offset'' entry of | |
1081 | * the virtual table is */ | |
1082 | #define HP_ACC_TOP_OFFSET_OFFSET 1 | |
1083 | ||
1084 | /* Overload resolution */ | |
1085 | ||
1086 | #define LENGTH_MATCH(bv) ((bv)->rank[0]) | |
1087 | ||
c5aa993b | 1088 | /* Badness if parameter list length doesn't match arg list length */ |
c906108c | 1089 | #define LENGTH_MISMATCH_BADNESS 100 |
c5aa993b | 1090 | /* Dummy badness value for nonexistent parameter positions */ |
c906108c SS |
1091 | #define TOO_FEW_PARAMS_BADNESS 100 |
1092 | /* Badness if no conversion among types */ | |
1093 | #define INCOMPATIBLE_TYPE_BADNESS 100 | |
1094 | /* Badness of coercing large integer to smaller size */ | |
1095 | #define INTEGER_COERCION_BADNESS 100 | |
1096 | /* Badness of coercing large floating type to smaller size */ | |
1097 | #define FLOAT_COERCION_BADNESS 100 | |
1098 | ||
1099 | /* Badness of integral promotion */ | |
1100 | #define INTEGER_PROMOTION_BADNESS 1 | |
1101 | /* Badness of floating promotion */ | |
1102 | #define FLOAT_PROMOTION_BADNESS 1 | |
1103 | /* Badness of integral conversion */ | |
1104 | #define INTEGER_CONVERSION_BADNESS 2 | |
1105 | /* Badness of floating conversion */ | |
1106 | #define FLOAT_CONVERSION_BADNESS 2 | |
1107 | /* Badness of integer<->floating conversions */ | |
1108 | #define INT_FLOAT_CONVERSION_BADNESS 2 | |
1109 | /* Badness of converting to a boolean */ | |
1110 | #define BOOLEAN_CONVERSION_BADNESS 2 | |
1111 | /* Badness of pointer conversion */ | |
1112 | #define POINTER_CONVERSION_BADNESS 2 | |
1113 | /* Badness of conversion of pointer to void pointer */ | |
1114 | #define VOID_PTR_CONVERSION_BADNESS 2 | |
1115 | /* Badness of convering derived to base class */ | |
1116 | #define BASE_CONVERSION_BADNESS 2 | |
1117 | ||
1118 | /* Non-standard conversions allowed by the debugger */ | |
1119 | /* Converting a pointer to an int is usually OK */ | |
1120 | #define NS_POINTER_CONVERSION_BADNESS 10 | |
1121 | ||
1122 | ||
1123 | extern int | |
1124 | compare_badness PARAMS ((struct badness_vector *, struct badness_vector *)); | |
1125 | ||
1126 | extern struct badness_vector * | |
c5aa993b | 1127 | rank_function PARAMS ((struct type **, int, struct type **, int)); |
c906108c SS |
1128 | |
1129 | extern int | |
1130 | rank_one_type PARAMS ((struct type *, struct type *)); | |
1131 | ||
c906108c | 1132 | extern void recursive_dump_type PARAMS ((struct type *, int)); |
c906108c SS |
1133 | |
1134 | /* printcmd.c */ | |
1135 | ||
1136 | extern void | |
1137 | print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *)); | |
1138 | ||
1139 | extern int can_dereference PARAMS ((struct type *)); | |
1140 | ||
c906108c | 1141 | extern void maintenance_print_type PARAMS ((char *, int)); |
c906108c SS |
1142 | |
1143 | /* typeprint.c */ | |
1144 | ||
1145 | extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *)); | |
1146 | ||
c5aa993b | 1147 | #endif /* GDBTYPES_H */ |