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1ab3bf1b | 1 | /* Internal type definitions for GDB. |
9ed8604f | 2 | Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc. |
1ab3bf1b JG |
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 | |
6c9638b4 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
1ab3bf1b JG |
20 | |
21 | #if !defined (GDBTYPES_H) | |
22 | #define GDBTYPES_H 1 | |
23 | ||
dda398c3 JK |
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?) */ | |
1ab3bf1b JG |
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 | |
4a11eef2 FF |
54 | #define FT_FIXED_DECIMAL 24 |
55 | #define FT_FLOAT_DECIMAL 25 | |
bf229b4e FF |
56 | #define FT_BYTE 26 |
57 | #define FT_UNSIGNED_BYTE 27 | |
1ab3bf1b | 58 | |
bf229b4e | 59 | #define FT_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */ |
1ab3bf1b | 60 | |
2e4964ad FF |
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 | ||
1ab3bf1b JG |
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 */ | |
85f0a848 | 76 | TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */ |
1ab3bf1b JG |
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 */ | |
f52bde21 | 82 | |
a91a6192 | 83 | /* Floating type. This is *NOT* a complex type. Beware, there are parts |
f52bde21 JK |
84 | of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ |
85 | TYPE_CODE_FLT, | |
86 | ||
2f3b7d8e JK |
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. */ | |
f52bde21 JK |
92 | TYPE_CODE_VOID, |
93 | ||
1ab3bf1b JG |
94 | TYPE_CODE_SET, /* Pascal sets */ |
95 | TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ | |
666e7e41 JK |
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, | |
f52bde21 JK |
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, | |
1ab3bf1b JG |
110 | |
111 | /* C++ */ | |
112 | TYPE_CODE_MEMBER, /* Member type */ | |
113 | TYPE_CODE_METHOD, /* Method type */ | |
114 | TYPE_CODE_REF, /* C++ Reference types */ | |
115 | ||
1ab3bf1b | 116 | TYPE_CODE_CHAR, /* *real* character type */ |
61932a8e JK |
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). */ | |
a91a6192 SS |
120 | TYPE_CODE_BOOL, |
121 | ||
122 | /* Fortran */ | |
76a457c0 | 123 | TYPE_CODE_COMPLEX /* Complex float */ |
1ab3bf1b JG |
124 | }; |
125 | ||
95ff889e | 126 | /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an |
61932a8e JK |
127 | alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct |
128 | "class" attribute. Perhaps we should actually have a separate TYPE_CODE | |
129 | so that we can print "class" or "struct" depending on what the debug | |
130 | info said. It's not clear we should bother. */ | |
95ff889e FF |
131 | |
132 | #define TYPE_CODE_CLASS TYPE_CODE_STRUCT | |
133 | ||
1ab3bf1b JG |
134 | /* Some bits for the type's flags word. */ |
135 | ||
dda398c3 JK |
136 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the |
137 | type is signed. */ | |
1ab3bf1b JG |
138 | |
139 | #define TYPE_FLAG_UNSIGNED (1 << 0) | |
140 | ||
065525e3 | 141 | /* This appears in a type's flags word if it is a stub type (e.g., if |
1ab3bf1b JG |
142 | someone referenced a type that wasn't defined in a source file |
143 | via (struct sir_not_appearing_in_this_film *)). */ | |
144 | ||
145 | #define TYPE_FLAG_STUB (1 << 2) | |
146 | ||
dda398c3 JK |
147 | /* The target type of this type is a stub type, and this type needs to |
148 | be updated if it gets un-stubbed in check_stub_type. Currently only | |
e55a5796 PB |
149 | used for arrays and ranges, in which TYPE_LENGTH of the array/range |
150 | gets set based on the TYPE_LENGTH of the target type. */ | |
dda398c3 JK |
151 | |
152 | #define TYPE_FLAG_TARGET_STUB (1 << 3) | |
4a11eef2 | 153 | |
1ab3bf1b JG |
154 | struct type |
155 | { | |
156 | ||
157 | /* Code for kind of type */ | |
158 | ||
159 | enum type_code code; | |
160 | ||
161 | /* Name of this type, or NULL if none. | |
b4c2267b | 162 | |
1ab3bf1b | 163 | This is used for printing only, except by poorly designed C++ code. |
b4c2267b | 164 | For looking up a name, look for a symbol in the VAR_NAMESPACE. */ |
1ab3bf1b JG |
165 | |
166 | char *name; | |
167 | ||
b4c2267b JK |
168 | /* Tag name for this type, or NULL if none. This means that the |
169 | name of the type consists of a keyword followed by the tag name. | |
170 | Which keyword is determined by the type code ("struct" for | |
171 | TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages | |
172 | with this feature. | |
173 | ||
174 | This is used for printing only, except by poorly designed C++ code. | |
065525e3 JK |
175 | For looking up a name, look for a symbol in the STRUCT_NAMESPACE. |
176 | One more legitimate use is that if TYPE_FLAG_STUB is set, this is | |
177 | the name to use to look for definitions in other files. */ | |
b2bebdb0 JK |
178 | |
179 | char *tag_name; | |
180 | ||
a3012272 JK |
181 | /* Length of storage for a value of this type. Various places pass |
182 | this to memcpy and such, meaning it must be in units of | |
183 | HOST_CHAR_BIT. Various other places expect they can calculate | |
184 | addresses by adding it and such, meaning it must be in units of | |
185 | TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT | |
186 | will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this | |
187 | is a problem. One fix would be to make this field in bits | |
188 | (requiring that it always be a multiple of HOST_CHAR_BIT and | |
189 | TARGET_CHAR_BIT)--the other choice would be to make it | |
190 | consistently in units of HOST_CHAR_BIT. */ | |
1ab3bf1b JG |
191 | |
192 | unsigned length; | |
193 | ||
a91a6192 SS |
194 | /* FIXME, these should probably be restricted to a Fortran-specific |
195 | field in some fashion. */ | |
196 | #define BOUND_CANNOT_BE_DETERMINED 5 | |
197 | #define BOUND_BY_REF_ON_STACK 4 | |
198 | #define BOUND_BY_VALUE_ON_STACK 3 | |
199 | #define BOUND_BY_REF_IN_REG 2 | |
200 | #define BOUND_BY_VALUE_IN_REG 1 | |
201 | #define BOUND_SIMPLE 0 | |
202 | int upper_bound_type; | |
203 | int lower_bound_type; | |
204 | ||
1ab3bf1b JG |
205 | /* Every type is now associated with a particular objfile, and the |
206 | type is allocated on the type_obstack for that objfile. One problem | |
207 | however, is that there are times when gdb allocates new types while | |
208 | it is not in the process of reading symbols from a particular objfile. | |
209 | Fortunately, these happen when the type being created is a derived | |
210 | type of an existing type, such as in lookup_pointer_type(). So | |
211 | we can just allocate the new type using the same objfile as the | |
212 | existing type, but to do this we need a backpointer to the objfile | |
213 | from the existing type. Yes this is somewhat ugly, but without | |
214 | major overhaul of the internal type system, it can't be avoided | |
215 | for now. */ | |
216 | ||
217 | struct objfile *objfile; | |
218 | ||
219 | /* For a pointer type, describes the type of object pointed to. | |
220 | For an array type, describes the type of the elements. | |
5c8d3927 | 221 | For a function or method type, describes the type of the return value. |
1ab3bf1b | 222 | For a range type, describes the type of the full range. |
ead95f8a | 223 | For a complex type, describes the type of each coordinate. |
1ab3bf1b JG |
224 | Unused otherwise. */ |
225 | ||
226 | struct type *target_type; | |
227 | ||
228 | /* Type that is a pointer to this type. | |
229 | NULL if no such pointer-to type is known yet. | |
230 | The debugger may add the address of such a type | |
231 | if it has to construct one later. */ | |
232 | ||
233 | struct type *pointer_type; | |
234 | ||
235 | /* C++: also need a reference type. */ | |
236 | ||
237 | struct type *reference_type; | |
238 | ||
1ab3bf1b JG |
239 | /* Flags about this type. */ |
240 | ||
241 | short flags; | |
242 | ||
243 | /* Number of fields described for this type */ | |
244 | ||
245 | short nfields; | |
246 | ||
247 | /* For structure and union types, a description of each field. | |
248 | For set and pascal array types, there is one "field", | |
249 | whose type is the domain type of the set or array. | |
250 | For range types, there are two "fields", | |
251 | the minimum and maximum values (both inclusive). | |
252 | For enum types, each possible value is described by one "field". | |
27202b6a | 253 | For a function type, a "field" for each parameter type. |
cd46ffad FF |
254 | For C++ classes, there is one field for each base class (if it is |
255 | a derived class) plus one field for each class data member. Member | |
256 | functions are recorded elsewhere. | |
1ab3bf1b JG |
257 | |
258 | Using a pointer to a separate array of fields | |
259 | allows all types to have the same size, which is useful | |
260 | because we can allocate the space for a type before | |
261 | we know what to put in it. */ | |
262 | ||
263 | struct field | |
264 | { | |
265 | ||
266 | /* Position of this field, counting in bits from start of | |
267 | containing structure. For a function type, this is the | |
268 | position in the argument list of this argument. | |
4db8e515 | 269 | For a range bound or enum value, this is the value itself. |
a8a69e63 | 270 | (FIXME: What about ranges larger than host int size?) |
4db8e515 FF |
271 | For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. |
272 | For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */ | |
1ab3bf1b JG |
273 | |
274 | int bitpos; | |
275 | ||
276 | /* Size of this field, in bits, or zero if not packed. | |
277 | For an unpacked field, the field's type's length | |
278 | says how many bytes the field occupies. */ | |
5573d7d4 JK |
279 | /* FIXME: This is abused by TYPE_FIELD_STATIC_PHYSNAME to contain |
280 | a pointer, so it has to be long. */ | |
1ab3bf1b | 281 | |
5573d7d4 | 282 | long bitsize; |
1ab3bf1b JG |
283 | |
284 | /* In a struct or enum type, type of this field. | |
285 | In a function type, type of this argument. | |
286 | In an array type, the domain-type of the array. */ | |
287 | ||
288 | struct type *type; | |
289 | ||
290 | /* Name of field, value or argument. | |
291 | NULL for range bounds and array domains. */ | |
292 | ||
293 | char *name; | |
294 | ||
295 | } *fields; | |
296 | ||
297 | /* For types with virtual functions, VPTR_BASETYPE is the base class which | |
ac88287f | 298 | defined the virtual function table pointer. |
1ab3bf1b JG |
299 | |
300 | For types that are pointer to member types, VPTR_BASETYPE | |
301 | is the type that this pointer is a member of. | |
302 | ||
303 | Unused otherwise. */ | |
304 | ||
305 | struct type *vptr_basetype; | |
306 | ||
ac88287f JK |
307 | /* Field number of the virtual function table pointer in |
308 | VPTR_BASETYPE. If -1, we were unable to find the virtual | |
309 | function table pointer in initial symbol reading, and | |
310 | fill_in_vptr_fieldno should be called to find it if possible. | |
311 | ||
312 | Unused if this type does not have virtual functions. */ | |
313 | ||
1ab3bf1b JG |
314 | int vptr_fieldno; |
315 | ||
316 | /* Slot to point to additional language-specific fields of this type. */ | |
317 | ||
318 | union type_specific | |
319 | { | |
320 | ||
321 | /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC. */ | |
322 | ||
323 | struct type **arg_types; | |
324 | ||
8050a57b FF |
325 | /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
326 | cplus_struct_default, a default static instance of a struct | |
327 | cplus_struct_type. */ | |
1ab3bf1b JG |
328 | |
329 | struct cplus_struct_type *cplus_stuff; | |
330 | ||
331 | } type_specific; | |
332 | }; | |
333 | ||
334 | #define NULL_TYPE ((struct type *) 0) | |
335 | ||
336 | /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION | |
337 | nodes. */ | |
338 | ||
339 | struct cplus_struct_type | |
340 | { | |
eec03ebb JK |
341 | /* Number of base classes this type derives from. The baseclasses are |
342 | stored in the first N_BASECLASSES fields (i.e. the `fields' field of | |
343 | the struct type). I think only the `type' field of such a field has | |
344 | any meaning. */ | |
c0f1085b FF |
345 | |
346 | short n_baseclasses; | |
347 | ||
348 | /* Number of methods with unique names. All overloaded methods with | |
349 | the same name count only once. */ | |
350 | ||
351 | short nfn_fields; | |
352 | ||
9ed8604f | 353 | /* Number of methods described for this type, not including the |
c0f1085b FF |
354 | methods that it derives from. */ |
355 | ||
356 | int nfn_fields_total; | |
357 | ||
cd46ffad FF |
358 | /* For derived classes, the number of base classes is given by n_baseclasses |
359 | and virtual_field_bits is a bit vector containing one bit per base class. | |
360 | If the base class is virtual, the corresponding bit will be set. | |
361 | I.E, given: | |
362 | ||
363 | class A{}; | |
364 | class B{}; | |
365 | class C : public B, public virtual A {}; | |
366 | ||
367 | B is a baseclass of C; A is a virtual baseclass for C. | |
368 | This is a C++ 2.0 language feature. */ | |
1ab3bf1b | 369 | |
8050a57b FF |
370 | B_TYPE *virtual_field_bits; |
371 | ||
372 | /* For classes with private fields, the number of fields is given by | |
373 | nfields and private_field_bits is a bit vector containing one bit | |
374 | per field. | |
375 | If the field is private, the corresponding bit will be set. */ | |
1ab3bf1b JG |
376 | |
377 | B_TYPE *private_field_bits; | |
378 | ||
8050a57b FF |
379 | /* For classes with protected fields, the number of fields is given by |
380 | nfields and protected_field_bits is a bit vector containing one bit | |
381 | per field. | |
382 | If the field is private, the corresponding bit will be set. */ | |
383 | ||
1ab3bf1b JG |
384 | B_TYPE *protected_field_bits; |
385 | ||
024f65b1 KH |
386 | /* for classes with fields to be ignored, either this is optimized out |
387 | or this field has length 0 */ | |
388 | ||
389 | B_TYPE *ignore_field_bits; | |
390 | ||
1ab3bf1b JG |
391 | /* For classes, structures, and unions, a description of each field, |
392 | which consists of an overloaded name, followed by the types of | |
393 | arguments that the method expects, and then the name after it | |
c0f1085b FF |
394 | has been renamed to make it distinct. |
395 | ||
396 | fn_fieldlists points to an array of nfn_fields of these. */ | |
1ab3bf1b JG |
397 | |
398 | struct fn_fieldlist | |
399 | { | |
400 | ||
401 | /* The overloaded name. */ | |
402 | ||
403 | char *name; | |
404 | ||
405 | /* The number of methods with this name. */ | |
406 | ||
407 | int length; | |
408 | ||
409 | /* The list of methods. */ | |
410 | ||
411 | struct fn_field | |
412 | { | |
413 | ||
eec03ebb JK |
414 | /* If is_stub is clear, this is the mangled name which we can |
415 | look up to find the address of the method (FIXME: it would | |
416 | be cleaner to have a pointer to the struct symbol here | |
417 | instead). */ | |
418 | ||
419 | /* If is_stub is set, this is the portion of the mangled | |
420 | name which specifies the arguments. For example, "ii", | |
421 | if there are two int arguments, or "" if there are no | |
422 | arguments. See gdb_mangle_name for the conversion from this | |
423 | format to the one used if is_stub is clear. */ | |
c0f1085b FF |
424 | |
425 | char *physname; | |
426 | ||
1ab3bf1b JG |
427 | /* The return value of the method */ |
428 | ||
429 | struct type *type; | |
430 | ||
eec03ebb JK |
431 | /* The argument list. Only valid if is_stub is clear. Contains |
432 | the type of each argument, including `this', and ending with | |
e552788b JK |
433 | a NULL pointer after the last argument. Should not contain |
434 | a `this' pointer for static member functions. */ | |
1ab3bf1b JG |
435 | |
436 | struct type **args; | |
437 | ||
c0f1085b FF |
438 | /* For virtual functions. |
439 | First baseclass that defines this virtual function. */ | |
1ab3bf1b JG |
440 | |
441 | struct type *fcontext; | |
442 | ||
c0f1085b FF |
443 | /* Attributes. */ |
444 | ||
1ab3bf1b JG |
445 | unsigned int is_const : 1; |
446 | unsigned int is_volatile : 1; | |
447 | unsigned int is_private : 1; | |
448 | unsigned int is_protected : 1; | |
eec03ebb JK |
449 | |
450 | /* A stub method only has some fields valid (but they are enough | |
451 | to reconstruct the rest of the fields). */ | |
1ab3bf1b | 452 | unsigned int is_stub : 1; |
eec03ebb JK |
453 | |
454 | /* Unused. */ | |
1ab3bf1b JG |
455 | unsigned int dummy : 3; |
456 | ||
457 | /* Index into that baseclass's virtual function table, | |
458 | minus 2; else if static: VOFFSET_STATIC; else: 0. */ | |
459 | ||
c0f1085b | 460 | unsigned int voffset : 24; |
1ab3bf1b JG |
461 | |
462 | # define VOFFSET_STATIC 1 | |
463 | ||
464 | } *fn_fields; | |
465 | ||
466 | } *fn_fieldlists; | |
467 | ||
1ab3bf1b JG |
468 | }; |
469 | ||
470 | /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the | |
471 | this shared static structure. */ | |
472 | ||
0213d96f | 473 | extern const struct cplus_struct_type cplus_struct_default; |
1ab3bf1b JG |
474 | |
475 | extern void | |
476 | allocate_cplus_struct_type PARAMS ((struct type *)); | |
477 | ||
478 | #define INIT_CPLUS_SPECIFIC(type) \ | |
479 | (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) | |
480 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) | |
481 | #define HAVE_CPLUS_STRUCT(type) \ | |
482 | (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) | |
483 | ||
484 | #define TYPE_NAME(thistype) (thistype)->name | |
b2bebdb0 | 485 | #define TYPE_TAG_NAME(type) ((type)->tag_name) |
1ab3bf1b JG |
486 | #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type |
487 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type | |
488 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type | |
1ab3bf1b JG |
489 | #define TYPE_LENGTH(thistype) (thistype)->length |
490 | #define TYPE_OBJFILE(thistype) (thistype)->objfile | |
491 | #define TYPE_FLAGS(thistype) (thistype)->flags | |
492 | #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED) | |
493 | #define TYPE_CODE(thistype) (thistype)->code | |
494 | #define TYPE_NFIELDS(thistype) (thistype)->nfields | |
495 | #define TYPE_FIELDS(thistype) (thistype)->fields | |
496 | ||
6f52d064 | 497 | #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0) |
cba00921 PB |
498 | #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0) |
499 | #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1) | |
500 | /* If TYPE_DUMMY_RANGE is true for a range type, it was allocated | |
501 | by force_to_range_type. */ | |
502 | #define TYPE_DUMMY_RANGE(type) ((type)->vptr_fieldno) | |
503 | ||
a91a6192 SS |
504 | /* Moto-specific stuff for FORTRAN arrays */ |
505 | ||
506 | #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type | |
507 | #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type | |
508 | ||
509 | #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ | |
510 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1)) | |
511 | ||
512 | #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \ | |
513 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0)) | |
514 | ||
1ab3bf1b JG |
515 | /* C++ */ |
516 | ||
517 | #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype | |
518 | #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype | |
519 | #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno | |
520 | #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields | |
521 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields | |
522 | #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total | |
523 | #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific | |
524 | #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types | |
525 | #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff | |
526 | #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type | |
527 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses | |
528 | #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name | |
529 | #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos | |
530 | #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index)) | |
531 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ | |
532 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)) | |
533 | ||
534 | #define TYPE_FIELD(thistype, n) (thistype)->fields[n] | |
535 | #define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type | |
536 | #define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name | |
537 | #define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type) | |
538 | #define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos | |
539 | #define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize | |
540 | #define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize | |
541 | ||
542 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ | |
543 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits | |
544 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ | |
545 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits | |
024f65b1 KH |
546 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ |
547 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits | |
1ab3bf1b JG |
548 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ |
549 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits | |
550 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ | |
551 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) | |
552 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ | |
553 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) | |
024f65b1 KH |
554 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ |
555 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) | |
1ab3bf1b JG |
556 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ |
557 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
558 | #define TYPE_FIELD_PRIVATE(thistype, n) \ | |
559 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ | |
560 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) | |
561 | #define TYPE_FIELD_PROTECTED(thistype, n) \ | |
562 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ | |
563 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) | |
024f65b1 KH |
564 | #define TYPE_FIELD_IGNORE(thistype, n) \ |
565 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ | |
566 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) | |
1ab3bf1b JG |
567 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ |
568 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
569 | ||
570 | #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1) | |
571 | #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize) | |
572 | ||
573 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists | |
574 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] | |
575 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields | |
576 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name | |
577 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length | |
578 | ||
579 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] | |
c0f1085b | 580 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname |
1ab3bf1b JG |
581 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type |
582 | #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type) | |
c0f1085b FF |
583 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) |
584 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) | |
1ab3bf1b JG |
585 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) |
586 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) | |
c0f1085b FF |
587 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) |
588 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) | |
589 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) | |
590 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) | |
591 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) | |
1ab3bf1b JG |
592 | |
593 | extern struct type *builtin_type_void; | |
594 | extern struct type *builtin_type_char; | |
595 | extern struct type *builtin_type_short; | |
596 | extern struct type *builtin_type_int; | |
597 | extern struct type *builtin_type_long; | |
04f27ddc | 598 | extern struct type *builtin_type_signed_char; |
1ab3bf1b JG |
599 | extern struct type *builtin_type_unsigned_char; |
600 | extern struct type *builtin_type_unsigned_short; | |
601 | extern struct type *builtin_type_unsigned_int; | |
602 | extern struct type *builtin_type_unsigned_long; | |
603 | extern struct type *builtin_type_float; | |
604 | extern struct type *builtin_type_double; | |
605 | extern struct type *builtin_type_long_double; | |
606 | extern struct type *builtin_type_complex; | |
607 | extern struct type *builtin_type_double_complex; | |
c4413e2c | 608 | extern struct type *builtin_type_string; |
1ab3bf1b JG |
609 | |
610 | /* This type represents a type that was unrecognized in symbol | |
611 | read-in. */ | |
612 | ||
613 | extern struct type *builtin_type_error; | |
614 | ||
615 | extern struct type *builtin_type_long_long; | |
616 | extern struct type *builtin_type_unsigned_long_long; | |
617 | ||
618 | /* Modula-2 types */ | |
619 | ||
620 | extern struct type *builtin_type_m2_char; | |
621 | extern struct type *builtin_type_m2_int; | |
622 | extern struct type *builtin_type_m2_card; | |
623 | extern struct type *builtin_type_m2_real; | |
624 | extern struct type *builtin_type_m2_bool; | |
625 | ||
e58de8a2 FF |
626 | /* Chill types */ |
627 | ||
628 | extern struct type *builtin_type_chill_bool; | |
2e66cf7d | 629 | extern struct type *builtin_type_chill_char; |
e58de8a2 FF |
630 | extern struct type *builtin_type_chill_long; |
631 | extern struct type *builtin_type_chill_ulong; | |
632 | extern struct type *builtin_type_chill_real; | |
633 | ||
a91a6192 SS |
634 | /* Fortran (F77) types */ |
635 | ||
636 | extern struct type *builtin_type_f_character; | |
637 | extern struct type *builtin_type_f_integer; | |
638 | extern struct type *builtin_type_f_logical; | |
639 | extern struct type *builtin_type_f_logical_s1; | |
640 | extern struct type *builtin_type_f_logical_s2; | |
641 | extern struct type *builtin_type_f_integer; | |
642 | extern struct type *builtin_type_f_integer_s2; | |
643 | extern struct type *builtin_type_f_real; | |
644 | extern struct type *builtin_type_f_real_s8; | |
645 | extern struct type *builtin_type_f_real_s16; | |
646 | extern struct type *builtin_type_f_complex_s8; | |
647 | extern struct type *builtin_type_f_complex_s16; | |
648 | extern struct type *builtin_type_f_complex_s32; | |
649 | extern struct type *builtin_type_f_void; | |
650 | ||
1ab3bf1b JG |
651 | /* Maximum and minimum values of built-in types */ |
652 | ||
653 | #define MAX_OF_TYPE(t) \ | |
654 | TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ | |
655 | : MAX_OF_SIZE(TYPE_LENGTH(t)) | |
656 | ||
657 | #define MIN_OF_TYPE(t) \ | |
658 | TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ | |
659 | : MIN_OF_SIZE(TYPE_LENGTH(t)) | |
660 | ||
dac9734e FF |
661 | /* Allocate space for storing data associated with a particular type. |
662 | We ensure that the space is allocated using the same mechanism that | |
663 | was used to allocate the space for the type structure itself. I.E. | |
664 | if the type is on an objfile's type_obstack, then the space for data | |
665 | associated with that type will also be allocated on the type_obstack. | |
666 | If the type is not associated with any particular objfile (such as | |
667 | builtin types), then the data space will be allocated with xmalloc, | |
668 | the same as for the type structure. */ | |
669 | ||
670 | #define TYPE_ALLOC(t,size) \ | |
92a87f6a | 671 | (TYPE_OBJFILE (t) != NULL \ |
dac9734e | 672 | ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \ |
92a87f6a | 673 | : xmalloc (size)) |
dac9734e | 674 | |
1ab3bf1b JG |
675 | extern struct type * |
676 | alloc_type PARAMS ((struct objfile *)); | |
677 | ||
678 | extern struct type * | |
679 | init_type PARAMS ((enum type_code, int, int, char *, struct objfile *)); | |
680 | ||
681 | extern struct type * | |
682 | lookup_reference_type PARAMS ((struct type *)); | |
683 | ||
ea1549b3 JG |
684 | extern struct type * |
685 | make_reference_type PARAMS ((struct type *, struct type **)); | |
686 | ||
1ab3bf1b JG |
687 | extern struct type * |
688 | lookup_member_type PARAMS ((struct type *, struct type *)); | |
689 | ||
690 | extern void | |
691 | smash_to_method_type PARAMS ((struct type *, struct type *, struct type *, | |
692 | struct type **)); | |
693 | ||
694 | extern void | |
695 | smash_to_member_type PARAMS ((struct type *, struct type *, struct type *)); | |
696 | ||
697 | extern struct type * | |
698 | allocate_stub_method PARAMS ((struct type *)); | |
699 | ||
700 | extern char * | |
701 | type_name_no_tag PARAMS ((const struct type *)); | |
702 | ||
703 | extern struct type * | |
704 | lookup_struct_elt_type PARAMS ((struct type *, char *, int)); | |
705 | ||
ea1549b3 JG |
706 | extern struct type * |
707 | make_pointer_type PARAMS ((struct type *, struct type **)); | |
708 | ||
1ab3bf1b JG |
709 | extern struct type * |
710 | lookup_pointer_type PARAMS ((struct type *)); | |
711 | ||
ea1549b3 JG |
712 | extern struct type * |
713 | make_function_type PARAMS ((struct type *, struct type **)); | |
714 | ||
1ab3bf1b JG |
715 | extern struct type * |
716 | lookup_function_type PARAMS ((struct type *)); | |
717 | ||
718 | extern struct type * | |
a8a69e63 FF |
719 | create_range_type PARAMS ((struct type *, struct type *, int, int)); |
720 | ||
721 | extern struct type * | |
722 | create_array_type PARAMS ((struct type *, struct type *, struct type *)); | |
1ab3bf1b | 723 | |
c4413e2c FF |
724 | extern struct type * |
725 | create_string_type PARAMS ((struct type *, struct type *)); | |
726 | ||
e44075d3 JK |
727 | extern struct type *create_set_type PARAMS ((struct type *, struct type *)); |
728 | ||
f91a9e05 PB |
729 | extern int chill_varying_type PARAMS ((struct type*)); |
730 | ||
1ab3bf1b JG |
731 | extern struct type * |
732 | lookup_unsigned_typename PARAMS ((char *)); | |
733 | ||
a252e715 PB |
734 | extern struct type * |
735 | lookup_signed_typename PARAMS ((char *)); | |
736 | ||
1ab3bf1b JG |
737 | extern void |
738 | check_stub_type PARAMS ((struct type *)); | |
739 | ||
740 | extern void | |
741 | check_stub_method PARAMS ((struct type *, int, int)); | |
742 | ||
743 | extern struct type * | |
744 | lookup_primitive_typename PARAMS ((char *)); | |
745 | ||
746 | extern char * | |
747 | gdb_mangle_name PARAMS ((struct type *, int, int)); | |
748 | ||
749 | extern struct type * | |
750 | builtin_type PARAMS ((char **)); | |
751 | ||
1ab3bf1b JG |
752 | extern struct type * |
753 | lookup_typename PARAMS ((char *, struct block *, int)); | |
754 | ||
755 | extern struct type * | |
756 | lookup_template_type PARAMS ((char *, struct type *, struct block *)); | |
757 | ||
758 | extern struct type * | |
759 | lookup_fundamental_type PARAMS ((struct objfile *, int)); | |
760 | ||
be772100 JG |
761 | extern void |
762 | fill_in_vptr_fieldno PARAMS ((struct type *)); | |
763 | ||
0239d9b3 FF |
764 | #if MAINTENANCE_CMDS |
765 | extern void recursive_dump_type PARAMS ((struct type *, int)); | |
766 | #endif | |
767 | ||
1ab3bf1b JG |
768 | /* printcmd.c */ |
769 | ||
770 | extern void | |
199b2450 | 771 | print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *)); |
1ab3bf1b | 772 | |
9c036bd8 JK |
773 | extern int can_dereference PARAMS ((struct type *)); |
774 | ||
0239d9b3 FF |
775 | #if MAINTENANCE_CMDS |
776 | extern void maintenance_print_type PARAMS ((char *, int)); | |
777 | #endif | |
778 | ||
1ab3bf1b | 779 | #endif /* GDBTYPES_H */ |