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1ab3bf1b JG |
1 | /* Internal type definitions for GDB. |
2 | Copyright (C) 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
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 JK |
82 | |
83 | /* Floating type. This is *NOT* a complex type. Complex types, when | |
84 | we have them, will have their own type code (or TYPE_CODE_ERROR if | |
85 | we can parse a complex type but not manipulate it). There are parts | |
86 | of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ | |
87 | TYPE_CODE_FLT, | |
88 | ||
89 | /* Void type (values zero length; the length field is ignored). */ | |
90 | TYPE_CODE_VOID, | |
91 | ||
1ab3bf1b JG |
92 | TYPE_CODE_SET, /* Pascal sets */ |
93 | TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ | |
c4413e2c | 94 | TYPE_CODE_STRING, /* String types, distinct from array of char */ |
fcbadaee | 95 | TYPE_CODE_BITSTRING, /* String of bits, distinct from bool array */ |
f52bde21 JK |
96 | |
97 | /* Unknown type. The length field is valid if we were able to | |
98 | deduce that much about the type, or 0 if we don't even know that. */ | |
99 | TYPE_CODE_ERROR, | |
1ab3bf1b JG |
100 | |
101 | /* C++ */ | |
102 | TYPE_CODE_MEMBER, /* Member type */ | |
103 | TYPE_CODE_METHOD, /* Method type */ | |
104 | TYPE_CODE_REF, /* C++ Reference types */ | |
105 | ||
106 | /* Modula-2 */ | |
107 | TYPE_CODE_CHAR, /* *real* character type */ | |
bf229b4e | 108 | TYPE_CODE_BOOL /* BOOLEAN type */ |
1ab3bf1b JG |
109 | }; |
110 | ||
95ff889e FF |
111 | /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an |
112 | alias for TYPE_CODE_STRUCT. Eventually these should probably be | |
113 | officially distinct types within gdb. */ | |
114 | ||
115 | #define TYPE_CODE_CLASS TYPE_CODE_STRUCT | |
116 | ||
1ab3bf1b JG |
117 | /* Some bits for the type's flags word. */ |
118 | ||
dda398c3 JK |
119 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the |
120 | type is signed. */ | |
1ab3bf1b JG |
121 | |
122 | #define TYPE_FLAG_UNSIGNED (1 << 0) | |
123 | ||
065525e3 | 124 | /* This appears in a type's flags word if it is a stub type (e.g., if |
1ab3bf1b JG |
125 | someone referenced a type that wasn't defined in a source file |
126 | via (struct sir_not_appearing_in_this_film *)). */ | |
127 | ||
128 | #define TYPE_FLAG_STUB (1 << 2) | |
129 | ||
dda398c3 JK |
130 | /* The target type of this type is a stub type, and this type needs to |
131 | be updated if it gets un-stubbed in check_stub_type. Currently only | |
132 | used for arrays, in which TYPE_LENGTH of the array gets set based | |
133 | on the TYPE_LENGTH of the target type. */ | |
134 | ||
135 | #define TYPE_FLAG_TARGET_STUB (1 << 3) | |
4a11eef2 | 136 | |
1ab3bf1b JG |
137 | struct type |
138 | { | |
139 | ||
140 | /* Code for kind of type */ | |
141 | ||
142 | enum type_code code; | |
143 | ||
144 | /* Name of this type, or NULL if none. | |
b4c2267b | 145 | |
1ab3bf1b | 146 | This is used for printing only, except by poorly designed C++ code. |
b4c2267b | 147 | For looking up a name, look for a symbol in the VAR_NAMESPACE. */ |
1ab3bf1b JG |
148 | |
149 | char *name; | |
150 | ||
b4c2267b JK |
151 | /* Tag name for this type, or NULL if none. This means that the |
152 | name of the type consists of a keyword followed by the tag name. | |
153 | Which keyword is determined by the type code ("struct" for | |
154 | TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages | |
155 | with this feature. | |
156 | ||
157 | This is used for printing only, except by poorly designed C++ code. | |
065525e3 JK |
158 | For looking up a name, look for a symbol in the STRUCT_NAMESPACE. |
159 | One more legitimate use is that if TYPE_FLAG_STUB is set, this is | |
160 | the name to use to look for definitions in other files. */ | |
b2bebdb0 JK |
161 | |
162 | char *tag_name; | |
163 | ||
f52bde21 JK |
164 | /* Length, in units of TARGET_CHAR_BIT bits, |
165 | of storage for a value of this type */ | |
1ab3bf1b JG |
166 | |
167 | unsigned length; | |
168 | ||
169 | /* Every type is now associated with a particular objfile, and the | |
170 | type is allocated on the type_obstack for that objfile. One problem | |
171 | however, is that there are times when gdb allocates new types while | |
172 | it is not in the process of reading symbols from a particular objfile. | |
173 | Fortunately, these happen when the type being created is a derived | |
174 | type of an existing type, such as in lookup_pointer_type(). So | |
175 | we can just allocate the new type using the same objfile as the | |
176 | existing type, but to do this we need a backpointer to the objfile | |
177 | from the existing type. Yes this is somewhat ugly, but without | |
178 | major overhaul of the internal type system, it can't be avoided | |
179 | for now. */ | |
180 | ||
181 | struct objfile *objfile; | |
182 | ||
183 | /* For a pointer type, describes the type of object pointed to. | |
184 | For an array type, describes the type of the elements. | |
5c8d3927 | 185 | For a function or method type, describes the type of the return value. |
1ab3bf1b JG |
186 | For a range type, describes the type of the full range. |
187 | Unused otherwise. */ | |
188 | ||
189 | struct type *target_type; | |
190 | ||
191 | /* Type that is a pointer to this type. | |
192 | NULL if no such pointer-to type is known yet. | |
193 | The debugger may add the address of such a type | |
194 | if it has to construct one later. */ | |
195 | ||
196 | struct type *pointer_type; | |
197 | ||
198 | /* C++: also need a reference type. */ | |
199 | ||
200 | struct type *reference_type; | |
201 | ||
202 | /* Type that is a function returning this type. | |
203 | NULL if no such function type is known here. | |
204 | The debugger may add the address of such a type | |
205 | if it has to construct one later. */ | |
206 | ||
207 | struct type *function_type; | |
208 | ||
209 | /* Flags about this type. */ | |
210 | ||
211 | short flags; | |
212 | ||
213 | /* Number of fields described for this type */ | |
214 | ||
215 | short nfields; | |
216 | ||
217 | /* For structure and union types, a description of each field. | |
218 | For set and pascal array types, there is one "field", | |
219 | whose type is the domain type of the set or array. | |
220 | For range types, there are two "fields", | |
221 | the minimum and maximum values (both inclusive). | |
222 | For enum types, each possible value is described by one "field". | |
cd46ffad FF |
223 | For C++ classes, there is one field for each base class (if it is |
224 | a derived class) plus one field for each class data member. Member | |
225 | functions are recorded elsewhere. | |
1ab3bf1b JG |
226 | |
227 | Using a pointer to a separate array of fields | |
228 | allows all types to have the same size, which is useful | |
229 | because we can allocate the space for a type before | |
230 | we know what to put in it. */ | |
231 | ||
232 | struct field | |
233 | { | |
234 | ||
235 | /* Position of this field, counting in bits from start of | |
236 | containing structure. For a function type, this is the | |
237 | position in the argument list of this argument. | |
4db8e515 | 238 | For a range bound or enum value, this is the value itself. |
a8a69e63 | 239 | (FIXME: What about ranges larger than host int size?) |
4db8e515 FF |
240 | For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. |
241 | For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */ | |
1ab3bf1b JG |
242 | |
243 | int bitpos; | |
244 | ||
245 | /* Size of this field, in bits, or zero if not packed. | |
246 | For an unpacked field, the field's type's length | |
247 | says how many bytes the field occupies. */ | |
5573d7d4 JK |
248 | /* FIXME: This is abused by TYPE_FIELD_STATIC_PHYSNAME to contain |
249 | a pointer, so it has to be long. */ | |
1ab3bf1b | 250 | |
5573d7d4 | 251 | long bitsize; |
1ab3bf1b JG |
252 | |
253 | /* In a struct or enum type, type of this field. | |
254 | In a function type, type of this argument. | |
255 | In an array type, the domain-type of the array. */ | |
256 | ||
257 | struct type *type; | |
258 | ||
259 | /* Name of field, value or argument. | |
260 | NULL for range bounds and array domains. */ | |
261 | ||
262 | char *name; | |
263 | ||
264 | } *fields; | |
265 | ||
266 | /* For types with virtual functions, VPTR_BASETYPE is the base class which | |
ac88287f | 267 | defined the virtual function table pointer. |
1ab3bf1b JG |
268 | |
269 | For types that are pointer to member types, VPTR_BASETYPE | |
270 | is the type that this pointer is a member of. | |
271 | ||
272 | Unused otherwise. */ | |
273 | ||
274 | struct type *vptr_basetype; | |
275 | ||
ac88287f JK |
276 | /* Field number of the virtual function table pointer in |
277 | VPTR_BASETYPE. If -1, we were unable to find the virtual | |
278 | function table pointer in initial symbol reading, and | |
279 | fill_in_vptr_fieldno should be called to find it if possible. | |
280 | ||
281 | Unused if this type does not have virtual functions. */ | |
282 | ||
1ab3bf1b JG |
283 | int vptr_fieldno; |
284 | ||
285 | /* Slot to point to additional language-specific fields of this type. */ | |
286 | ||
287 | union type_specific | |
288 | { | |
289 | ||
290 | /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC. */ | |
291 | ||
292 | struct type **arg_types; | |
293 | ||
8050a57b FF |
294 | /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
295 | cplus_struct_default, a default static instance of a struct | |
296 | cplus_struct_type. */ | |
1ab3bf1b JG |
297 | |
298 | struct cplus_struct_type *cplus_stuff; | |
299 | ||
300 | } type_specific; | |
301 | }; | |
302 | ||
303 | #define NULL_TYPE ((struct type *) 0) | |
304 | ||
305 | /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION | |
306 | nodes. */ | |
307 | ||
308 | struct cplus_struct_type | |
309 | { | |
eec03ebb JK |
310 | /* Number of base classes this type derives from. The baseclasses are |
311 | stored in the first N_BASECLASSES fields (i.e. the `fields' field of | |
312 | the struct type). I think only the `type' field of such a field has | |
313 | any meaning. */ | |
c0f1085b FF |
314 | |
315 | short n_baseclasses; | |
316 | ||
317 | /* Number of methods with unique names. All overloaded methods with | |
318 | the same name count only once. */ | |
319 | ||
320 | short nfn_fields; | |
321 | ||
322 | /* Number of methods described for this type plus all the | |
323 | methods that it derives from. */ | |
324 | ||
325 | int nfn_fields_total; | |
326 | ||
cd46ffad FF |
327 | /* For derived classes, the number of base classes is given by n_baseclasses |
328 | and virtual_field_bits is a bit vector containing one bit per base class. | |
329 | If the base class is virtual, the corresponding bit will be set. | |
330 | I.E, given: | |
331 | ||
332 | class A{}; | |
333 | class B{}; | |
334 | class C : public B, public virtual A {}; | |
335 | ||
336 | B is a baseclass of C; A is a virtual baseclass for C. | |
337 | This is a C++ 2.0 language feature. */ | |
1ab3bf1b | 338 | |
8050a57b FF |
339 | B_TYPE *virtual_field_bits; |
340 | ||
341 | /* For classes with private fields, the number of fields is given by | |
342 | nfields and private_field_bits is a bit vector containing one bit | |
343 | per field. | |
344 | If the field is private, the corresponding bit will be set. */ | |
1ab3bf1b JG |
345 | |
346 | B_TYPE *private_field_bits; | |
347 | ||
8050a57b FF |
348 | /* For classes with protected fields, the number of fields is given by |
349 | nfields and protected_field_bits is a bit vector containing one bit | |
350 | per field. | |
351 | If the field is private, the corresponding bit will be set. */ | |
352 | ||
1ab3bf1b JG |
353 | B_TYPE *protected_field_bits; |
354 | ||
024f65b1 KH |
355 | /* for classes with fields to be ignored, either this is optimized out |
356 | or this field has length 0 */ | |
357 | ||
358 | B_TYPE *ignore_field_bits; | |
359 | ||
1ab3bf1b JG |
360 | /* For classes, structures, and unions, a description of each field, |
361 | which consists of an overloaded name, followed by the types of | |
362 | arguments that the method expects, and then the name after it | |
c0f1085b FF |
363 | has been renamed to make it distinct. |
364 | ||
365 | fn_fieldlists points to an array of nfn_fields of these. */ | |
1ab3bf1b JG |
366 | |
367 | struct fn_fieldlist | |
368 | { | |
369 | ||
370 | /* The overloaded name. */ | |
371 | ||
372 | char *name; | |
373 | ||
374 | /* The number of methods with this name. */ | |
375 | ||
376 | int length; | |
377 | ||
378 | /* The list of methods. */ | |
379 | ||
380 | struct fn_field | |
381 | { | |
382 | ||
eec03ebb JK |
383 | /* If is_stub is clear, this is the mangled name which we can |
384 | look up to find the address of the method (FIXME: it would | |
385 | be cleaner to have a pointer to the struct symbol here | |
386 | instead). */ | |
387 | ||
388 | /* If is_stub is set, this is the portion of the mangled | |
389 | name which specifies the arguments. For example, "ii", | |
390 | if there are two int arguments, or "" if there are no | |
391 | arguments. See gdb_mangle_name for the conversion from this | |
392 | format to the one used if is_stub is clear. */ | |
c0f1085b FF |
393 | |
394 | char *physname; | |
395 | ||
1ab3bf1b JG |
396 | /* The return value of the method */ |
397 | ||
398 | struct type *type; | |
399 | ||
eec03ebb JK |
400 | /* The argument list. Only valid if is_stub is clear. Contains |
401 | the type of each argument, including `this', and ending with | |
402 | a NULL pointer after the last argument. */ | |
1ab3bf1b JG |
403 | |
404 | struct type **args; | |
405 | ||
c0f1085b FF |
406 | /* For virtual functions. |
407 | First baseclass that defines this virtual function. */ | |
1ab3bf1b JG |
408 | |
409 | struct type *fcontext; | |
410 | ||
c0f1085b FF |
411 | /* Attributes. */ |
412 | ||
1ab3bf1b JG |
413 | unsigned int is_const : 1; |
414 | unsigned int is_volatile : 1; | |
415 | unsigned int is_private : 1; | |
416 | unsigned int is_protected : 1; | |
eec03ebb JK |
417 | |
418 | /* A stub method only has some fields valid (but they are enough | |
419 | to reconstruct the rest of the fields). */ | |
1ab3bf1b | 420 | unsigned int is_stub : 1; |
eec03ebb JK |
421 | |
422 | /* Unused. */ | |
1ab3bf1b JG |
423 | unsigned int dummy : 3; |
424 | ||
425 | /* Index into that baseclass's virtual function table, | |
426 | minus 2; else if static: VOFFSET_STATIC; else: 0. */ | |
427 | ||
c0f1085b | 428 | unsigned int voffset : 24; |
1ab3bf1b JG |
429 | |
430 | # define VOFFSET_STATIC 1 | |
431 | ||
432 | } *fn_fields; | |
433 | ||
434 | } *fn_fieldlists; | |
435 | ||
1ab3bf1b JG |
436 | }; |
437 | ||
438 | /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the | |
439 | this shared static structure. */ | |
440 | ||
0213d96f | 441 | extern const struct cplus_struct_type cplus_struct_default; |
1ab3bf1b JG |
442 | |
443 | extern void | |
444 | allocate_cplus_struct_type PARAMS ((struct type *)); | |
445 | ||
446 | #define INIT_CPLUS_SPECIFIC(type) \ | |
447 | (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) | |
448 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) | |
449 | #define HAVE_CPLUS_STRUCT(type) \ | |
450 | (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) | |
451 | ||
452 | #define TYPE_NAME(thistype) (thistype)->name | |
b2bebdb0 | 453 | #define TYPE_TAG_NAME(type) ((type)->tag_name) |
1ab3bf1b JG |
454 | #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type |
455 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type | |
456 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type | |
457 | #define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type | |
458 | #define TYPE_LENGTH(thistype) (thistype)->length | |
459 | #define TYPE_OBJFILE(thistype) (thistype)->objfile | |
460 | #define TYPE_FLAGS(thistype) (thistype)->flags | |
461 | #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED) | |
462 | #define TYPE_CODE(thistype) (thistype)->code | |
463 | #define TYPE_NFIELDS(thistype) (thistype)->nfields | |
464 | #define TYPE_FIELDS(thistype) (thistype)->fields | |
465 | ||
466 | /* C++ */ | |
467 | ||
468 | #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype | |
469 | #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype | |
470 | #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno | |
471 | #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields | |
472 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields | |
473 | #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total | |
474 | #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific | |
475 | #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types | |
476 | #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff | |
477 | #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type | |
478 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses | |
479 | #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name | |
480 | #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos | |
481 | #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index)) | |
482 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ | |
483 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)) | |
484 | ||
485 | #define TYPE_FIELD(thistype, n) (thistype)->fields[n] | |
486 | #define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type | |
487 | #define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name | |
488 | #define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type) | |
489 | #define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos | |
490 | #define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize | |
491 | #define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize | |
492 | ||
493 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ | |
494 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits | |
495 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ | |
496 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits | |
024f65b1 KH |
497 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ |
498 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits | |
1ab3bf1b JG |
499 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ |
500 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits | |
501 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ | |
502 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) | |
503 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ | |
504 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) | |
024f65b1 KH |
505 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ |
506 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) | |
1ab3bf1b JG |
507 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ |
508 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
509 | #define TYPE_FIELD_PRIVATE(thistype, n) \ | |
510 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ | |
511 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) | |
512 | #define TYPE_FIELD_PROTECTED(thistype, n) \ | |
513 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ | |
514 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) | |
024f65b1 KH |
515 | #define TYPE_FIELD_IGNORE(thistype, n) \ |
516 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ | |
517 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) | |
1ab3bf1b JG |
518 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ |
519 | B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
520 | ||
521 | #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1) | |
522 | #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize) | |
523 | ||
524 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists | |
525 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] | |
526 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields | |
527 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name | |
528 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length | |
529 | ||
530 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] | |
c0f1085b | 531 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname |
1ab3bf1b JG |
532 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type |
533 | #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type) | |
c0f1085b FF |
534 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) |
535 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) | |
1ab3bf1b JG |
536 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) |
537 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) | |
c0f1085b FF |
538 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) |
539 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) | |
540 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) | |
541 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) | |
542 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) | |
1ab3bf1b JG |
543 | |
544 | extern struct type *builtin_type_void; | |
545 | extern struct type *builtin_type_char; | |
546 | extern struct type *builtin_type_short; | |
547 | extern struct type *builtin_type_int; | |
548 | extern struct type *builtin_type_long; | |
04f27ddc | 549 | extern struct type *builtin_type_signed_char; |
1ab3bf1b JG |
550 | extern struct type *builtin_type_unsigned_char; |
551 | extern struct type *builtin_type_unsigned_short; | |
552 | extern struct type *builtin_type_unsigned_int; | |
553 | extern struct type *builtin_type_unsigned_long; | |
554 | extern struct type *builtin_type_float; | |
555 | extern struct type *builtin_type_double; | |
556 | extern struct type *builtin_type_long_double; | |
557 | extern struct type *builtin_type_complex; | |
558 | extern struct type *builtin_type_double_complex; | |
c4413e2c | 559 | extern struct type *builtin_type_string; |
1ab3bf1b JG |
560 | |
561 | /* This type represents a type that was unrecognized in symbol | |
562 | read-in. */ | |
563 | ||
564 | extern struct type *builtin_type_error; | |
565 | ||
566 | extern struct type *builtin_type_long_long; | |
567 | extern struct type *builtin_type_unsigned_long_long; | |
568 | ||
569 | /* Modula-2 types */ | |
570 | ||
571 | extern struct type *builtin_type_m2_char; | |
572 | extern struct type *builtin_type_m2_int; | |
573 | extern struct type *builtin_type_m2_card; | |
574 | extern struct type *builtin_type_m2_real; | |
575 | extern struct type *builtin_type_m2_bool; | |
576 | ||
e58de8a2 FF |
577 | /* Chill types */ |
578 | ||
579 | extern struct type *builtin_type_chill_bool; | |
2e66cf7d | 580 | extern struct type *builtin_type_chill_char; |
e58de8a2 FF |
581 | extern struct type *builtin_type_chill_long; |
582 | extern struct type *builtin_type_chill_ulong; | |
583 | extern struct type *builtin_type_chill_real; | |
584 | ||
7efb57c3 | 585 | /* CC_HAS_LONG_LONG is defined if the host has "long long". */ |
1ab3bf1b | 586 | |
7efb57c3 | 587 | #ifdef CC_HAS_LONG_LONG |
1ab3bf1b JG |
588 | |
589 | #define BUILTIN_TYPE_LONGEST builtin_type_long_long | |
590 | #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long | |
591 | ||
7efb57c3 | 592 | #else /* not CC_HAS_LONG_LONG. */ |
1ab3bf1b JG |
593 | |
594 | #define BUILTIN_TYPE_LONGEST builtin_type_long | |
595 | #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long | |
596 | ||
7efb57c3 | 597 | #endif /* not CC_HAS_LONG_LONG. */ |
1ab3bf1b JG |
598 | |
599 | /* Maximum and minimum values of built-in types */ | |
600 | ||
601 | #define MAX_OF_TYPE(t) \ | |
602 | TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ | |
603 | : MAX_OF_SIZE(TYPE_LENGTH(t)) | |
604 | ||
605 | #define MIN_OF_TYPE(t) \ | |
606 | TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ | |
607 | : MIN_OF_SIZE(TYPE_LENGTH(t)) | |
608 | ||
dac9734e FF |
609 | /* Allocate space for storing data associated with a particular type. |
610 | We ensure that the space is allocated using the same mechanism that | |
611 | was used to allocate the space for the type structure itself. I.E. | |
612 | if the type is on an objfile's type_obstack, then the space for data | |
613 | associated with that type will also be allocated on the type_obstack. | |
614 | If the type is not associated with any particular objfile (such as | |
615 | builtin types), then the data space will be allocated with xmalloc, | |
616 | the same as for the type structure. */ | |
617 | ||
618 | #define TYPE_ALLOC(t,size) \ | |
92a87f6a | 619 | (TYPE_OBJFILE (t) != NULL \ |
dac9734e | 620 | ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \ |
92a87f6a | 621 | : xmalloc (size)) |
dac9734e | 622 | |
1ab3bf1b JG |
623 | extern struct type * |
624 | alloc_type PARAMS ((struct objfile *)); | |
625 | ||
626 | extern struct type * | |
627 | init_type PARAMS ((enum type_code, int, int, char *, struct objfile *)); | |
628 | ||
629 | extern struct type * | |
630 | lookup_reference_type PARAMS ((struct type *)); | |
631 | ||
ea1549b3 JG |
632 | extern struct type * |
633 | make_reference_type PARAMS ((struct type *, struct type **)); | |
634 | ||
1ab3bf1b JG |
635 | extern struct type * |
636 | lookup_member_type PARAMS ((struct type *, struct type *)); | |
637 | ||
638 | extern void | |
639 | smash_to_method_type PARAMS ((struct type *, struct type *, struct type *, | |
640 | struct type **)); | |
641 | ||
642 | extern void | |
643 | smash_to_member_type PARAMS ((struct type *, struct type *, struct type *)); | |
644 | ||
645 | extern struct type * | |
646 | allocate_stub_method PARAMS ((struct type *)); | |
647 | ||
648 | extern char * | |
649 | type_name_no_tag PARAMS ((const struct type *)); | |
650 | ||
651 | extern struct type * | |
652 | lookup_struct_elt_type PARAMS ((struct type *, char *, int)); | |
653 | ||
ea1549b3 JG |
654 | extern struct type * |
655 | make_pointer_type PARAMS ((struct type *, struct type **)); | |
656 | ||
1ab3bf1b JG |
657 | extern struct type * |
658 | lookup_pointer_type PARAMS ((struct type *)); | |
659 | ||
ea1549b3 JG |
660 | extern struct type * |
661 | make_function_type PARAMS ((struct type *, struct type **)); | |
662 | ||
1ab3bf1b JG |
663 | extern struct type * |
664 | lookup_function_type PARAMS ((struct type *)); | |
665 | ||
666 | extern struct type * | |
a8a69e63 FF |
667 | create_range_type PARAMS ((struct type *, struct type *, int, int)); |
668 | ||
669 | extern struct type * | |
670 | create_array_type PARAMS ((struct type *, struct type *, struct type *)); | |
1ab3bf1b | 671 | |
c4413e2c FF |
672 | extern struct type * |
673 | create_string_type PARAMS ((struct type *, struct type *)); | |
674 | ||
1ab3bf1b JG |
675 | extern struct type * |
676 | lookup_unsigned_typename PARAMS ((char *)); | |
677 | ||
a252e715 PB |
678 | extern struct type * |
679 | lookup_signed_typename PARAMS ((char *)); | |
680 | ||
1ab3bf1b JG |
681 | extern void |
682 | check_stub_type PARAMS ((struct type *)); | |
683 | ||
684 | extern void | |
685 | check_stub_method PARAMS ((struct type *, int, int)); | |
686 | ||
687 | extern struct type * | |
688 | lookup_primitive_typename PARAMS ((char *)); | |
689 | ||
690 | extern char * | |
691 | gdb_mangle_name PARAMS ((struct type *, int, int)); | |
692 | ||
693 | extern struct type * | |
694 | builtin_type PARAMS ((char **)); | |
695 | ||
1ab3bf1b JG |
696 | extern struct type * |
697 | lookup_typename PARAMS ((char *, struct block *, int)); | |
698 | ||
699 | extern struct type * | |
700 | lookup_template_type PARAMS ((char *, struct type *, struct block *)); | |
701 | ||
702 | extern struct type * | |
703 | lookup_fundamental_type PARAMS ((struct objfile *, int)); | |
704 | ||
be772100 JG |
705 | extern void |
706 | fill_in_vptr_fieldno PARAMS ((struct type *)); | |
707 | ||
0239d9b3 FF |
708 | #if MAINTENANCE_CMDS |
709 | extern void recursive_dump_type PARAMS ((struct type *, int)); | |
710 | #endif | |
711 | ||
1ab3bf1b JG |
712 | /* printcmd.c */ |
713 | ||
714 | extern void | |
199b2450 | 715 | print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *)); |
1ab3bf1b | 716 | |
0239d9b3 FF |
717 | #if MAINTENANCE_CMDS |
718 | extern void maintenance_print_type PARAMS ((char *, int)); | |
719 | #endif | |
720 | ||
1ab3bf1b | 721 | #endif /* GDBTYPES_H */ |