Commit | Line | Data |
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c906108c | 1 | /* Internal type definitions for GDB. |
1bac305b | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
4 | 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. | |
1bac305b | 5 | |
c906108c SS |
6 | Contributed by Cygnus Support, using pieces from other GDB modules. |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #if !defined (GDBTYPES_H) | |
24 | #define GDBTYPES_H 1 | |
25 | ||
ae5a43e0 DJ |
26 | #include "hashtab.h" |
27 | ||
7fc73f38 | 28 | /* Forward declarations for prototypes. */ |
da3331ec | 29 | struct field; |
7fc73f38 MK |
30 | struct block; |
31 | ||
c906108c SS |
32 | /* Codes for `fundamental types'. This is a monstrosity based on the |
33 | bogus notion that there are certain compiler-independent | |
34 | `fundamental types'. None of these is well-defined (how big is | |
35 | FT_SHORT? Does it depend on the language? How does the | |
36 | language-specific code know which type to correlate to FT_SHORT?) */ | |
37 | ||
38 | #define FT_VOID 0 | |
39 | #define FT_BOOLEAN 1 | |
c5aa993b JM |
40 | #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */ |
41 | #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */ | |
42 | #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */ | |
c906108c SS |
43 | #define FT_SHORT 5 |
44 | #define FT_SIGNED_SHORT 6 | |
45 | #define FT_UNSIGNED_SHORT 7 | |
46 | #define FT_INTEGER 8 | |
47 | #define FT_SIGNED_INTEGER 9 | |
48 | #define FT_UNSIGNED_INTEGER 10 | |
49 | #define FT_LONG 11 | |
50 | #define FT_SIGNED_LONG 12 | |
51 | #define FT_UNSIGNED_LONG 13 | |
52 | #define FT_LONG_LONG 14 | |
53 | #define FT_SIGNED_LONG_LONG 15 | |
54 | #define FT_UNSIGNED_LONG_LONG 16 | |
55 | #define FT_FLOAT 17 | |
56 | #define FT_DBL_PREC_FLOAT 18 | |
57 | #define FT_EXT_PREC_FLOAT 19 | |
58 | #define FT_COMPLEX 20 | |
59 | #define FT_DBL_PREC_COMPLEX 21 | |
60 | #define FT_EXT_PREC_COMPLEX 22 | |
61 | #define FT_STRING 23 | |
62 | #define FT_FIXED_DECIMAL 24 | |
63 | #define FT_FLOAT_DECIMAL 25 | |
64 | #define FT_BYTE 26 | |
65 | #define FT_UNSIGNED_BYTE 27 | |
66 | #define FT_TEMPLATE_ARG 28 | |
67 | ||
7678ef8f TJB |
68 | /* The following three fundamental types are for decimal floating point. */ |
69 | #define FT_DECFLOAT 29 | |
70 | #define FT_DBL_PREC_DECFLOAT 30 | |
71 | #define FT_EXT_PREC_DECFLOAT 31 | |
72 | ||
73 | #define FT_NUM_MEMBERS 32 /* Highest FT_* above, plus one. */ | |
c906108c SS |
74 | |
75 | /* Some macros for char-based bitfields. */ | |
76 | ||
77 | #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7))) | |
78 | #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7))) | |
79 | #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7))) | |
80 | #define B_TYPE unsigned char | |
81 | #define B_BYTES(x) ( 1 + ((x)>>3) ) | |
82 | #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x)) | |
83 | ||
84 | /* Different kinds of data types are distinguished by the `code' field. */ | |
85 | ||
86 | enum type_code | |
c5aa993b JM |
87 | { |
88 | TYPE_CODE_UNDEF, /* Not used; catches errors */ | |
89 | TYPE_CODE_PTR, /* Pointer type */ | |
e6742ace JB |
90 | |
91 | /* Array type with lower & upper bounds. | |
92 | ||
93 | Regardless of the language, GDB represents multidimensional | |
94 | array types the way C does: as arrays of arrays. So an | |
95 | instance of a GDB array type T can always be seen as a series | |
96 | of instances of TYPE_TARGET_TYPE (T) laid out sequentially in | |
97 | memory. | |
98 | ||
99 | Row-major languages like C lay out multi-dimensional arrays so | |
100 | that incrementing the rightmost index in a subscripting | |
101 | expression results in the smallest change in the address of the | |
102 | element referred to. Column-major languages like Fortran lay | |
103 | them out so that incrementing the leftmost index results in the | |
104 | smallest change. | |
105 | ||
106 | This means that, in column-major languages, working our way | |
107 | from type to target type corresponds to working through indices | |
108 | from right to left, not left to right. */ | |
109 | TYPE_CODE_ARRAY, | |
110 | ||
c5aa993b JM |
111 | TYPE_CODE_STRUCT, /* C struct or Pascal record */ |
112 | TYPE_CODE_UNION, /* C union or Pascal variant part */ | |
113 | TYPE_CODE_ENUM, /* Enumeration type */ | |
4f2aea11 | 114 | TYPE_CODE_FLAGS, /* Bit flags type */ |
c5aa993b JM |
115 | TYPE_CODE_FUNC, /* Function type */ |
116 | TYPE_CODE_INT, /* Integer type */ | |
117 | ||
118 | /* Floating type. This is *NOT* a complex type. Beware, there are parts | |
119 | of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ | |
120 | TYPE_CODE_FLT, | |
121 | ||
122 | /* Void type. The length field specifies the length (probably always | |
123 | one) which is used in pointer arithmetic involving pointers to | |
124 | this type, but actually dereferencing such a pointer is invalid; | |
125 | a void type has no length and no actual representation in memory | |
126 | or registers. A pointer to a void type is a generic pointer. */ | |
127 | TYPE_CODE_VOID, | |
128 | ||
129 | TYPE_CODE_SET, /* Pascal sets */ | |
130 | TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ | |
131 | ||
132 | /* A string type which is like an array of character but prints | |
1b831c93 AC |
133 | differently (at least for (the deleted) CHILL). It does not |
134 | contain a length field as Pascal strings (for many Pascals, | |
135 | anyway) do; if we want to deal with such strings, we should use | |
136 | a new type code. */ | |
c5aa993b JM |
137 | TYPE_CODE_STRING, |
138 | ||
db034ac5 | 139 | /* String of bits; like TYPE_CODE_SET but prints differently (at |
1b831c93 | 140 | least for (the deleted) CHILL). */ |
c5aa993b JM |
141 | TYPE_CODE_BITSTRING, |
142 | ||
143 | /* Unknown type. The length field is valid if we were able to | |
144 | deduce that much about the type, or 0 if we don't even know that. */ | |
145 | TYPE_CODE_ERROR, | |
146 | ||
147 | /* C++ */ | |
c5aa993b | 148 | TYPE_CODE_METHOD, /* Method type */ |
0d5de010 DJ |
149 | |
150 | /* Pointer-to-member-function type. This describes how to access a | |
151 | particular member function of a class (possibly a virtual | |
152 | member function). The representation may vary between different | |
153 | C++ ABIs. */ | |
154 | TYPE_CODE_METHODPTR, | |
155 | ||
156 | /* Pointer-to-member type. This is the offset within a class to some | |
157 | particular data member. The only currently supported representation | |
158 | uses an unbiased offset, with -1 representing NULL; this is used | |
159 | by the Itanium C++ ABI (used by GCC on all platforms). */ | |
160 | TYPE_CODE_MEMBERPTR, | |
161 | ||
c5aa993b JM |
162 | TYPE_CODE_REF, /* C++ Reference types */ |
163 | ||
164 | TYPE_CODE_CHAR, /* *real* character type */ | |
165 | ||
166 | /* Boolean type. 0 is false, 1 is true, and other values are non-boolean | |
167 | (e.g. FORTRAN "logical" used as unsigned int). */ | |
168 | TYPE_CODE_BOOL, | |
169 | ||
170 | /* Fortran */ | |
171 | TYPE_CODE_COMPLEX, /* Complex float */ | |
172 | ||
173 | TYPE_CODE_TYPEDEF, | |
174 | TYPE_CODE_TEMPLATE, /* C++ template */ | |
5c4e30ca | 175 | TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */ |
c5aa993b | 176 | |
7678ef8f TJB |
177 | TYPE_CODE_NAMESPACE, /* C++ namespace. */ |
178 | ||
179 | TYPE_CODE_DECFLOAT /* Decimal floating point. */ | |
c5aa993b | 180 | }; |
c906108c SS |
181 | |
182 | /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an | |
183 | alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct | |
184 | "class" attribute. Perhaps we should actually have a separate TYPE_CODE | |
185 | so that we can print "class" or "struct" depending on what the debug | |
186 | info said. It's not clear we should bother. */ | |
187 | ||
188 | #define TYPE_CODE_CLASS TYPE_CODE_STRUCT | |
189 | ||
aa468c60 | 190 | /* Some bits for the type's flags word, and macros to test them. */ |
c906108c SS |
191 | |
192 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the | |
193 | type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */ | |
194 | ||
195 | #define TYPE_FLAG_UNSIGNED (1 << 0) | |
4c90d51b | 196 | #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED) |
c906108c SS |
197 | |
198 | /* No sign for this type. In C++, "char", "signed char", and "unsigned | |
199 | char" are distinct types; so we need an extra flag to indicate the | |
ba91526b | 200 | absence of a sign! */ |
c906108c SS |
201 | |
202 | #define TYPE_FLAG_NOSIGN (1 << 1) | |
4c90d51b | 203 | #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN) |
c906108c SS |
204 | |
205 | /* This appears in a type's flags word if it is a stub type (e.g., if | |
206 | someone referenced a type that wasn't defined in a source file | |
207 | via (struct sir_not_appearing_in_this_film *)). */ | |
208 | ||
209 | #define TYPE_FLAG_STUB (1 << 2) | |
4c90d51b | 210 | #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB) |
c906108c SS |
211 | |
212 | /* The target type of this type is a stub type, and this type needs to | |
213 | be updated if it gets un-stubbed in check_typedef. | |
214 | Used for arrays and ranges, in which TYPE_LENGTH of the array/range | |
215 | gets set based on the TYPE_LENGTH of the target type. | |
216 | Also, set for TYPE_CODE_TYPEDEF. */ | |
217 | ||
aa468c60 | 218 | #define TYPE_FLAG_TARGET_STUB (1 << 3) |
4c90d51b | 219 | #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB) |
c906108c | 220 | |
7b83ea04 | 221 | /* Static type. If this is set, the corresponding type had |
c906108c SS |
222 | * a static modifier. |
223 | * Note: This may be unnecessary, since static data members | |
224 | * are indicated by other means (bitpos == -1) | |
225 | */ | |
226 | ||
aa468c60 | 227 | #define TYPE_FLAG_STATIC (1 << 4) |
4c90d51b | 228 | #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC) |
c906108c SS |
229 | |
230 | /* Constant type. If this is set, the corresponding type has a | |
231 | * const modifier. | |
232 | */ | |
233 | ||
aa468c60 | 234 | #define TYPE_FLAG_CONST (1 << 5) |
2fdde8f8 | 235 | #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST) |
c906108c SS |
236 | |
237 | /* Volatile type. If this is set, the corresponding type has a | |
238 | * volatile modifier. | |
239 | */ | |
240 | ||
aa468c60 | 241 | #define TYPE_FLAG_VOLATILE (1 << 6) |
2fdde8f8 | 242 | #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE) |
c906108c SS |
243 | |
244 | ||
245 | /* This is a function type which appears to have a prototype. We need this | |
246 | for function calls in order to tell us if it's necessary to coerce the args, | |
247 | or to just do the standard conversions. This is used with a short field. */ | |
248 | ||
aa468c60 | 249 | #define TYPE_FLAG_PROTOTYPED (1 << 7) |
4c90d51b | 250 | #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED) |
c906108c SS |
251 | |
252 | /* This flag is used to indicate that processing for this type | |
253 | is incomplete. | |
c5aa993b | 254 | |
c906108c SS |
255 | (Mostly intended for HP platforms, where class methods, for |
256 | instance, can be encountered before their classes in the debug | |
257 | info; the incomplete type has to be marked so that the class and | |
258 | the method can be assigned correct types.) */ | |
259 | ||
aa468c60 | 260 | #define TYPE_FLAG_INCOMPLETE (1 << 8) |
4c90d51b | 261 | #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE) |
c906108c | 262 | |
47663de5 MS |
263 | /* Instruction-space delimited type. This is for Harvard architectures |
264 | which have separate instruction and data address spaces (and perhaps | |
265 | others). | |
266 | ||
267 | GDB usually defines a flat address space that is a superset of the | |
268 | architecture's two (or more) address spaces, but this is an extension | |
269 | of the architecture's model. | |
270 | ||
271 | If TYPE_FLAG_INST is set, an object of the corresponding type | |
272 | resides in instruction memory, even if its address (in the extended | |
273 | flat address space) does not reflect this. | |
274 | ||
275 | Similarly, if TYPE_FLAG_DATA is set, then an object of the | |
276 | corresponding type resides in the data memory space, even if | |
277 | this is not indicated by its (flat address space) address. | |
278 | ||
279 | If neither flag is set, the default space for functions / methods | |
280 | is instruction space, and for data objects is data memory. */ | |
281 | ||
aa468c60 | 282 | #define TYPE_FLAG_CODE_SPACE (1 << 9) |
2fdde8f8 | 283 | #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE) |
aa468c60 FF |
284 | |
285 | #define TYPE_FLAG_DATA_SPACE (1 << 10) | |
2fdde8f8 | 286 | #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE) |
47663de5 | 287 | |
ad2f7632 DJ |
288 | /* FIXME drow/2002-06-03: Only used for methods, but applies as well |
289 | to functions. */ | |
878ac530 | 290 | |
aa468c60 | 291 | #define TYPE_FLAG_VARARGS (1 << 11) |
4c90d51b | 292 | #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS) |
c906108c | 293 | |
f5f8a009 EZ |
294 | /* Identify a vector type. Gcc is handling this by adding an extra |
295 | attribute to the array type. We slurp that in as a new flag of a | |
296 | type. This is used only in dwarf2read.c. */ | |
297 | #define TYPE_FLAG_VECTOR (1 << 12) | |
4c90d51b | 298 | #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR) |
f5f8a009 | 299 | |
8b2dbe47 KB |
300 | /* Address class flags. Some environments provide for pointers whose |
301 | size is different from that of a normal pointer or address types | |
302 | where the bits are interpreted differently than normal addresses. The | |
303 | TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific | |
304 | ways to represent these different types of address classes. */ | |
305 | #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13) | |
306 | #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \ | |
307 | & TYPE_FLAG_ADDRESS_CLASS_1) | |
308 | #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14) | |
309 | #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \ | |
310 | & TYPE_FLAG_ADDRESS_CLASS_2) | |
311 | #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \ | |
312 | | TYPE_FLAG_ADDRESS_CLASS_2) | |
313 | #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \ | |
314 | & TYPE_FLAG_ADDRESS_CLASS_ALL) | |
315 | ||
963a6417 PH |
316 | /* The debugging formats (especially STABS) do not contain enough information |
317 | to represent all Ada types---especially those whose size depends on | |
318 | dynamic quantities. Therefore, the GNAT Ada compiler includes | |
319 | extra information in the form of additional type definitions | |
320 | connected by naming conventions. This flag indicates that the | |
321 | type is an ordinary (unencoded) GDB type that has been created from | |
322 | the necessary run-time information, and does not need further | |
323 | interpretation. Optionally marks ordinary, fixed-size GDB type. */ | |
324 | ||
325 | #define TYPE_FLAG_FIXED_INSTANCE (1 << 15) | |
326 | ||
d77b6808 JK |
327 | /* This debug target supports TYPE_STUB(t). In the unsupported case we have to |
328 | rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE (). | |
329 | TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only guessed | |
330 | the TYPE_STUB(t) value (see dwarfread.c). */ | |
331 | ||
332 | #define TYPE_FLAG_STUB_SUPPORTED (1 << 16) | |
333 | #define TYPE_STUB_SUPPORTED(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB_SUPPORTED) | |
334 | ||
ea37ba09 DJ |
335 | /* Not textual. By default, GDB treats all single byte integers as |
336 | characters (or elements of strings) unless this flag is set. */ | |
337 | ||
338 | #define TYPE_FLAG_NOTTEXT (1 << 17) | |
339 | #define TYPE_NOTTEXT(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOTTEXT) | |
340 | ||
72e5f484 MC |
341 | /* Array bound type. */ |
342 | enum array_bound_type | |
343 | { | |
344 | BOUND_SIMPLE = 0, | |
345 | BOUND_BY_VALUE_IN_REG, | |
346 | BOUND_BY_REF_IN_REG, | |
347 | BOUND_BY_VALUE_ON_STACK, | |
348 | BOUND_BY_REF_ON_STACK, | |
349 | BOUND_CANNOT_BE_DETERMINED | |
350 | }; | |
351 | ||
0955bbf0 MC |
352 | /* This structure is space-critical. |
353 | Its layout has been tweaked to reduce the space used. */ | |
354 | ||
2fdde8f8 DJ |
355 | struct main_type |
356 | { | |
357 | /* Code for kind of type */ | |
358 | ||
0955bbf0 MC |
359 | ENUM_BITFIELD(type_code) code : 8; |
360 | ||
72e5f484 MC |
361 | /* Array bounds. These fields appear at this location because |
362 | they pack nicely here. */ | |
363 | ||
364 | ENUM_BITFIELD(array_bound_type) upper_bound_type : 4; | |
365 | ENUM_BITFIELD(array_bound_type) lower_bound_type : 4; | |
2fdde8f8 DJ |
366 | |
367 | /* Name of this type, or NULL if none. | |
368 | ||
369 | This is used for printing only, except by poorly designed C++ code. | |
176620f1 | 370 | For looking up a name, look for a symbol in the VAR_DOMAIN. */ |
2fdde8f8 DJ |
371 | |
372 | char *name; | |
373 | ||
374 | /* Tag name for this type, or NULL if none. This means that the | |
375 | name of the type consists of a keyword followed by the tag name. | |
376 | Which keyword is determined by the type code ("struct" for | |
377 | TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages | |
378 | with this feature. | |
379 | ||
380 | This is used for printing only, except by poorly designed C++ code. | |
176620f1 | 381 | For looking up a name, look for a symbol in the STRUCT_DOMAIN. |
2fdde8f8 DJ |
382 | One more legitimate use is that if TYPE_FLAG_STUB is set, this is |
383 | the name to use to look for definitions in other files. */ | |
384 | ||
385 | char *tag_name; | |
386 | ||
2fdde8f8 | 387 | /* Every type is now associated with a particular objfile, and the |
b99607ea | 388 | type is allocated on the objfile_obstack for that objfile. One problem |
2fdde8f8 DJ |
389 | however, is that there are times when gdb allocates new types while |
390 | it is not in the process of reading symbols from a particular objfile. | |
391 | Fortunately, these happen when the type being created is a derived | |
392 | type of an existing type, such as in lookup_pointer_type(). So | |
393 | we can just allocate the new type using the same objfile as the | |
394 | existing type, but to do this we need a backpointer to the objfile | |
395 | from the existing type. Yes this is somewhat ugly, but without | |
396 | major overhaul of the internal type system, it can't be avoided | |
397 | for now. */ | |
398 | ||
399 | struct objfile *objfile; | |
400 | ||
401 | /* For a pointer type, describes the type of object pointed to. | |
402 | For an array type, describes the type of the elements. | |
403 | For a function or method type, describes the type of the return value. | |
404 | For a range type, describes the type of the full range. | |
405 | For a complex type, describes the type of each coordinate. | |
406 | Unused otherwise. */ | |
407 | ||
408 | struct type *target_type; | |
409 | ||
410 | /* Flags about this type. */ | |
411 | ||
412 | int flags; | |
413 | ||
414 | /* Number of fields described for this type */ | |
415 | ||
416 | short nfields; | |
417 | ||
0955bbf0 MC |
418 | /* Field number of the virtual function table pointer in |
419 | VPTR_BASETYPE. If -1, we were unable to find the virtual | |
420 | function table pointer in initial symbol reading, and | |
421 | fill_in_vptr_fieldno should be called to find it if possible. | |
422 | ||
423 | Unused if this type does not have virtual functions. */ | |
424 | ||
425 | short vptr_fieldno; | |
426 | ||
2fdde8f8 DJ |
427 | /* For structure and union types, a description of each field. |
428 | For set and pascal array types, there is one "field", | |
429 | whose type is the domain type of the set or array. | |
430 | For range types, there are two "fields", | |
431 | the minimum and maximum values (both inclusive). | |
432 | For enum types, each possible value is described by one "field". | |
ad2f7632 | 433 | For a function or method type, a "field" for each parameter. |
2fdde8f8 DJ |
434 | For C++ classes, there is one field for each base class (if it is |
435 | a derived class) plus one field for each class data member. Member | |
436 | functions are recorded elsewhere. | |
437 | ||
438 | Using a pointer to a separate array of fields | |
439 | allows all types to have the same size, which is useful | |
440 | because we can allocate the space for a type before | |
441 | we know what to put in it. */ | |
442 | ||
443 | struct field | |
c5aa993b | 444 | { |
2fdde8f8 DJ |
445 | union field_location |
446 | { | |
447 | /* Position of this field, counting in bits from start of | |
448 | containing structure. | |
449 | For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. | |
450 | For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. | |
451 | For a range bound or enum value, this is the value itself. */ | |
c906108c | 452 | |
2fdde8f8 | 453 | int bitpos; |
c906108c | 454 | |
2fdde8f8 DJ |
455 | /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr |
456 | is the location (in the target) of the static field. | |
457 | Otherwise, physname is the mangled label of the static field. */ | |
c906108c | 458 | |
2fdde8f8 DJ |
459 | CORE_ADDR physaddr; |
460 | char *physname; | |
2fdde8f8 DJ |
461 | } |
462 | loc; | |
c906108c | 463 | |
01ad7f36 DJ |
464 | /* For a function or member type, this is 1 if the argument is marked |
465 | artificial. Artificial arguments should not be shown to the | |
466 | user. */ | |
467 | unsigned int artificial : 1; | |
468 | ||
469 | /* This flag is zero for non-static fields, 1 for fields whose location | |
470 | is specified by the label loc.physname, and 2 for fields whose location | |
471 | is specified by loc.physaddr. */ | |
472 | ||
473 | unsigned int static_kind : 2; | |
474 | ||
2fdde8f8 DJ |
475 | /* Size of this field, in bits, or zero if not packed. |
476 | For an unpacked field, the field's type's length | |
01ad7f36 | 477 | says how many bytes the field occupies. */ |
c906108c | 478 | |
01ad7f36 | 479 | unsigned int bitsize : 29; |
c906108c | 480 | |
2fdde8f8 | 481 | /* In a struct or union type, type of this field. |
ad2f7632 | 482 | In a function or member type, type of this argument. |
2fdde8f8 | 483 | In an array type, the domain-type of the array. */ |
c906108c | 484 | |
2fdde8f8 | 485 | struct type *type; |
c906108c | 486 | |
2fdde8f8 | 487 | /* Name of field, value or argument. |
ad2f7632 DJ |
488 | NULL for range bounds, array domains, and member function |
489 | arguments. */ | |
8176bb6d | 490 | |
2fdde8f8 | 491 | char *name; |
c906108c | 492 | |
2fdde8f8 | 493 | } *fields; |
c906108c | 494 | |
2fdde8f8 DJ |
495 | /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE |
496 | is the base class which defined the virtual function table pointer. | |
c906108c | 497 | |
0d5de010 DJ |
498 | For types that are pointer to member types (TYPE_CODE_METHODPTR, |
499 | TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer | |
500 | is a member of. | |
c906108c | 501 | |
2fdde8f8 DJ |
502 | For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate |
503 | type that contains the method. | |
c906108c | 504 | |
2fdde8f8 | 505 | Unused otherwise. */ |
c906108c | 506 | |
2fdde8f8 | 507 | struct type *vptr_basetype; |
c906108c | 508 | |
2fdde8f8 | 509 | /* Slot to point to additional language-specific fields of this type. */ |
c906108c | 510 | |
2fdde8f8 DJ |
511 | union type_specific |
512 | { | |
2fdde8f8 DJ |
513 | /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
514 | cplus_struct_default, a default static instance of a struct | |
515 | cplus_struct_type. */ | |
c906108c | 516 | |
2fdde8f8 | 517 | struct cplus_struct_type *cplus_stuff; |
c906108c | 518 | |
8da61cc4 DJ |
519 | /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two |
520 | floatformat objects that describe the floating-point value | |
521 | that resides within the type. The first is for big endian | |
522 | targets and the second is for little endian targets. */ | |
c906108c | 523 | |
8da61cc4 | 524 | const struct floatformat **floatformat; |
2fdde8f8 DJ |
525 | } type_specific; |
526 | }; | |
c906108c | 527 | |
2fdde8f8 DJ |
528 | /* A ``struct type'' describes a particular instance of a type, with |
529 | some particular qualification. */ | |
530 | struct type | |
531 | { | |
532 | /* Type that is a pointer to this type. | |
533 | NULL if no such pointer-to type is known yet. | |
534 | The debugger may add the address of such a type | |
535 | if it has to construct one later. */ | |
c906108c | 536 | |
2fdde8f8 | 537 | struct type *pointer_type; |
c906108c | 538 | |
2fdde8f8 | 539 | /* C++: also need a reference type. */ |
c906108c | 540 | |
2fdde8f8 | 541 | struct type *reference_type; |
c906108c | 542 | |
2fdde8f8 | 543 | /* Variant chain. This points to a type that differs from this one only |
ab5d3da6 KB |
544 | in qualifiers and length. Currently, the possible qualifiers are |
545 | const, volatile, code-space, data-space, and address class. The | |
546 | length may differ only when one of the address class flags are set. | |
547 | The variants are linked in a circular ring and share MAIN_TYPE. */ | |
2fdde8f8 | 548 | struct type *chain; |
c906108c | 549 | |
2fdde8f8 DJ |
550 | /* Flags specific to this instance of the type, indicating where |
551 | on the ring we are. */ | |
552 | int instance_flags; | |
701c159d | 553 | |
ab5d3da6 KB |
554 | /* Length of storage for a value of this type. This is what |
555 | sizeof(type) would return; use it for address arithmetic, | |
556 | memory reads and writes, etc. This size includes padding. For | |
557 | example, an i386 extended-precision floating point value really | |
558 | only occupies ten bytes, but most ABI's declare its size to be | |
559 | 12 bytes, to preserve alignment. A `struct type' representing | |
560 | such a floating-point type would have a `length' value of 12, | |
561 | even though the last two bytes are unused. | |
562 | ||
563 | There's a bit of a host/target mess here, if you're concerned | |
564 | about machines whose bytes aren't eight bits long, or who don't | |
565 | have byte-addressed memory. Various places pass this to memcpy | |
566 | and such, meaning it must be in units of host bytes. Various | |
567 | other places expect they can calculate addresses by adding it | |
568 | and such, meaning it must be in units of target bytes. For | |
569 | some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8 | |
570 | and TARGET_CHAR_BIT will be (say) 32, this is a problem. | |
571 | ||
572 | One fix would be to make this field in bits (requiring that it | |
573 | always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) --- | |
574 | the other choice would be to make it consistently in units of | |
575 | HOST_CHAR_BIT. However, this would still fail to address | |
576 | machines based on a ternary or decimal representation. */ | |
577 | ||
578 | unsigned length; | |
579 | ||
2fdde8f8 DJ |
580 | /* Core type, shared by a group of qualified types. */ |
581 | struct main_type *main_type; | |
582 | }; | |
c906108c SS |
583 | |
584 | #define NULL_TYPE ((struct type *) 0) | |
585 | ||
586 | /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION | |
587 | nodes. */ | |
588 | ||
589 | struct cplus_struct_type | |
c5aa993b JM |
590 | { |
591 | /* Number of base classes this type derives from. The baseclasses are | |
592 | stored in the first N_BASECLASSES fields (i.e. the `fields' field of | |
593 | the struct type). I think only the `type' field of such a field has | |
594 | any meaning. */ | |
c906108c | 595 | |
c5aa993b | 596 | short n_baseclasses; |
c906108c | 597 | |
c5aa993b JM |
598 | /* Number of methods with unique names. All overloaded methods with |
599 | the same name count only once. */ | |
c906108c | 600 | |
c5aa993b | 601 | short nfn_fields; |
c906108c | 602 | |
c5aa993b JM |
603 | /* Number of methods described for this type, not including the |
604 | methods that it derives from. */ | |
c906108c | 605 | |
c5aa993b | 606 | short nfn_fields_total; |
c906108c | 607 | |
c5aa993b JM |
608 | /* The "declared_type" field contains a code saying how the |
609 | user really declared this type, e.g., "class s", "union s", | |
610 | "struct s". | |
7b83ea04 | 611 | The 3 above things come out from the C++ compiler looking like classes, |
c5aa993b JM |
612 | but we keep track of the real declaration so we can give |
613 | the correct information on "ptype". (Note: TEMPLATE may not | |
614 | belong in this list...) */ | |
c906108c SS |
615 | |
616 | #define DECLARED_TYPE_CLASS 0 | |
617 | #define DECLARED_TYPE_UNION 1 | |
618 | #define DECLARED_TYPE_STRUCT 2 | |
619 | #define DECLARED_TYPE_TEMPLATE 3 | |
c5aa993b JM |
620 | short declared_type; /* One of the above codes */ |
621 | ||
622 | /* For derived classes, the number of base classes is given by n_baseclasses | |
623 | and virtual_field_bits is a bit vector containing one bit per base class. | |
624 | If the base class is virtual, the corresponding bit will be set. | |
625 | I.E, given: | |
c906108c | 626 | |
c5aa993b JM |
627 | class A{}; |
628 | class B{}; | |
629 | class C : public B, public virtual A {}; | |
c906108c | 630 | |
c5aa993b JM |
631 | B is a baseclass of C; A is a virtual baseclass for C. |
632 | This is a C++ 2.0 language feature. */ | |
c906108c | 633 | |
c5aa993b | 634 | B_TYPE *virtual_field_bits; |
c906108c | 635 | |
c5aa993b JM |
636 | /* For classes with private fields, the number of fields is given by |
637 | nfields and private_field_bits is a bit vector containing one bit | |
638 | per field. | |
639 | If the field is private, the corresponding bit will be set. */ | |
c906108c | 640 | |
c5aa993b | 641 | B_TYPE *private_field_bits; |
c906108c | 642 | |
c5aa993b JM |
643 | /* For classes with protected fields, the number of fields is given by |
644 | nfields and protected_field_bits is a bit vector containing one bit | |
645 | per field. | |
646 | If the field is private, the corresponding bit will be set. */ | |
c906108c | 647 | |
c5aa993b | 648 | B_TYPE *protected_field_bits; |
c906108c | 649 | |
c5aa993b JM |
650 | /* for classes with fields to be ignored, either this is optimized out |
651 | or this field has length 0 */ | |
c906108c | 652 | |
c5aa993b | 653 | B_TYPE *ignore_field_bits; |
c906108c | 654 | |
c5aa993b JM |
655 | /* For classes, structures, and unions, a description of each field, |
656 | which consists of an overloaded name, followed by the types of | |
657 | arguments that the method expects, and then the name after it | |
658 | has been renamed to make it distinct. | |
c906108c | 659 | |
c5aa993b | 660 | fn_fieldlists points to an array of nfn_fields of these. */ |
c906108c | 661 | |
c5aa993b JM |
662 | struct fn_fieldlist |
663 | { | |
c906108c | 664 | |
c5aa993b | 665 | /* The overloaded name. */ |
c906108c | 666 | |
c5aa993b | 667 | char *name; |
c906108c | 668 | |
c5aa993b | 669 | /* The number of methods with this name. */ |
c906108c | 670 | |
c5aa993b | 671 | int length; |
c906108c | 672 | |
c5aa993b | 673 | /* The list of methods. */ |
c906108c | 674 | |
c5aa993b JM |
675 | struct fn_field |
676 | { | |
c906108c | 677 | |
c5aa993b JM |
678 | /* If is_stub is clear, this is the mangled name which we can |
679 | look up to find the address of the method (FIXME: it would | |
680 | be cleaner to have a pointer to the struct symbol here | |
681 | instead). */ | |
c906108c | 682 | |
c5aa993b JM |
683 | /* If is_stub is set, this is the portion of the mangled |
684 | name which specifies the arguments. For example, "ii", | |
685 | if there are two int arguments, or "" if there are no | |
686 | arguments. See gdb_mangle_name for the conversion from this | |
687 | format to the one used if is_stub is clear. */ | |
c906108c | 688 | |
c5aa993b | 689 | char *physname; |
c906108c | 690 | |
c5aa993b JM |
691 | /* The function type for the method. |
692 | (This comment used to say "The return value of the method", | |
7b83ea04 | 693 | but that's wrong. The function type |
c5aa993b JM |
694 | is expected here, i.e. something with TYPE_CODE_FUNC, |
695 | and *not* the return-value type). */ | |
c906108c | 696 | |
c5aa993b | 697 | struct type *type; |
c906108c | 698 | |
c5aa993b JM |
699 | /* For virtual functions. |
700 | First baseclass that defines this virtual function. */ | |
c906108c | 701 | |
c5aa993b | 702 | struct type *fcontext; |
c906108c | 703 | |
c5aa993b | 704 | /* Attributes. */ |
c906108c | 705 | |
c5aa993b JM |
706 | unsigned int is_const:1; |
707 | unsigned int is_volatile:1; | |
708 | unsigned int is_private:1; | |
709 | unsigned int is_protected:1; | |
710 | unsigned int is_public:1; | |
711 | unsigned int is_abstract:1; | |
712 | unsigned int is_static:1; | |
713 | unsigned int is_final:1; | |
714 | unsigned int is_synchronized:1; | |
715 | unsigned int is_native:1; | |
b02dede2 | 716 | unsigned int is_artificial:1; |
c906108c | 717 | |
c5aa993b JM |
718 | /* A stub method only has some fields valid (but they are enough |
719 | to reconstruct the rest of the fields). */ | |
720 | unsigned int is_stub:1; | |
c906108c | 721 | |
c5aa993b JM |
722 | /* C++ method that is inlined */ |
723 | unsigned int is_inlined:1; | |
c906108c | 724 | |
c5aa993b | 725 | /* Unused. */ |
b02dede2 | 726 | unsigned int dummy:3; |
c906108c | 727 | |
c5aa993b JM |
728 | /* Index into that baseclass's virtual function table, |
729 | minus 2; else if static: VOFFSET_STATIC; else: 0. */ | |
c906108c | 730 | |
c5aa993b | 731 | unsigned int voffset:16; |
c906108c | 732 | |
c5aa993b | 733 | #define VOFFSET_STATIC 1 |
c906108c | 734 | |
c5aa993b JM |
735 | } |
736 | *fn_fields; | |
c906108c | 737 | |
c5aa993b JM |
738 | } |
739 | *fn_fieldlists; | |
c906108c | 740 | |
7b83ea04 | 741 | /* If this "struct type" describes a template, then it |
c906108c SS |
742 | * has arguments. "template_args" points to an array of |
743 | * template arg descriptors, of length "ntemplate_args". | |
744 | * The only real information in each of these template arg descriptors | |
745 | * is a name. "type" will typically just point to a "struct type" with | |
746 | * the placeholder TYPE_CODE_TEMPLATE_ARG type. | |
747 | */ | |
748 | short ntemplate_args; | |
749 | struct template_arg | |
c5aa993b JM |
750 | { |
751 | char *name; | |
752 | struct type *type; | |
753 | } | |
754 | *template_args; | |
c906108c SS |
755 | |
756 | /* If this "struct type" describes a template, it has a list | |
757 | * of instantiations. "instantiations" is a pointer to an array | |
758 | * of type's, one representing each instantiation. There | |
759 | * are "ninstantiations" elements in this array. | |
760 | */ | |
761 | short ninstantiations; | |
762 | struct type **instantiations; | |
763 | ||
c906108c SS |
764 | /* Pointer to information about enclosing scope, if this is a |
765 | * local type. If it is not a local type, this is NULL | |
766 | */ | |
c5aa993b JM |
767 | struct local_type_info |
768 | { | |
769 | char *file; | |
770 | int line; | |
771 | } | |
772 | *localtype_ptr; | |
773 | }; | |
c906108c SS |
774 | |
775 | /* Struct used in computing virtual base list */ | |
776 | struct vbase | |
c5aa993b JM |
777 | { |
778 | struct type *vbasetype; /* pointer to virtual base */ | |
779 | struct vbase *next; /* next in chain */ | |
780 | }; | |
c906108c SS |
781 | |
782 | /* Struct used for ranking a function for overload resolution */ | |
c5aa993b JM |
783 | struct badness_vector |
784 | { | |
785 | int length; | |
786 | int *rank; | |
787 | }; | |
c906108c SS |
788 | |
789 | /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the | |
790 | this shared static structure. */ | |
791 | ||
792 | extern const struct cplus_struct_type cplus_struct_default; | |
793 | ||
a14ed312 | 794 | extern void allocate_cplus_struct_type (struct type *); |
c906108c SS |
795 | |
796 | #define INIT_CPLUS_SPECIFIC(type) \ | |
797 | (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) | |
798 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) | |
799 | #define HAVE_CPLUS_STRUCT(type) \ | |
800 | (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) | |
801 | ||
2fdde8f8 DJ |
802 | #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags |
803 | #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type | |
804 | #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name | |
805 | #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name | |
806 | #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type | |
c906108c SS |
807 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type |
808 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type | |
2fdde8f8 | 809 | #define TYPE_CHAIN(thistype) (thistype)->chain |
c906108c SS |
810 | /* Note that if thistype is a TYPEDEF type, you have to call check_typedef. |
811 | But check_typedef does set the TYPE_LENGTH of the TYPEDEF type, | |
812 | so you only have to call check_typedef once. Since allocate_value | |
813 | calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */ | |
ab5d3da6 | 814 | #define TYPE_LENGTH(thistype) (thistype)->length |
2fdde8f8 DJ |
815 | #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile |
816 | #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags | |
aa468c60 | 817 | /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real |
c906108c | 818 | type, you need to do TYPE_CODE (check_type (this_type)). */ |
2fdde8f8 DJ |
819 | #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code |
820 | #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields | |
821 | #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields | |
c906108c SS |
822 | #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args |
823 | #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations | |
824 | ||
825 | #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0) | |
826 | #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0) | |
827 | #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1) | |
828 | ||
829 | /* Moto-specific stuff for FORTRAN arrays */ | |
830 | ||
2fdde8f8 DJ |
831 | #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \ |
832 | TYPE_MAIN_TYPE(thistype)->upper_bound_type | |
833 | #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \ | |
834 | TYPE_MAIN_TYPE(thistype)->lower_bound_type | |
c906108c SS |
835 | |
836 | #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ | |
837 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1)) | |
838 | ||
839 | #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \ | |
840 | (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0)) | |
841 | ||
842 | /* C++ */ | |
843 | ||
2fdde8f8 DJ |
844 | #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype |
845 | #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype | |
846 | #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno | |
c906108c SS |
847 | #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields |
848 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields | |
849 | #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total | |
850 | #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args | |
851 | #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations | |
852 | #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type | |
2fdde8f8 | 853 | #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific |
2fdde8f8 DJ |
854 | #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff |
855 | #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat | |
856 | #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type | |
c906108c | 857 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses |
2fdde8f8 | 858 | #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name |
c906108c SS |
859 | #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index) |
860 | #define BASETYPE_VIA_PUBLIC(thistype, index) \ | |
861 | ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index))) | |
862 | ||
863 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ | |
864 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
865 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))) | |
866 | ||
867 | #define FIELD_TYPE(thisfld) ((thisfld).type) | |
868 | #define FIELD_NAME(thisfld) ((thisfld).name) | |
869 | #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos) | |
01ad7f36 | 870 | #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial) |
c906108c | 871 | #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize) |
01ad7f36 | 872 | #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind) |
c906108c SS |
873 | #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname) |
874 | #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr) | |
875 | #define SET_FIELD_PHYSNAME(thisfld, name) \ | |
01ad7f36 | 876 | ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name)) |
c906108c | 877 | #define SET_FIELD_PHYSADDR(thisfld, name) \ |
01ad7f36 | 878 | ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name)) |
2fdde8f8 | 879 | #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n] |
c906108c SS |
880 | #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n)) |
881 | #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n)) | |
882 | #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n)) | |
8176bb6d | 883 | #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n)) |
c906108c SS |
884 | #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n)) |
885 | #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0) | |
886 | #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n] | |
887 | #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n] | |
888 | ||
889 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ | |
890 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits | |
891 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ | |
892 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits | |
893 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ | |
894 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits | |
895 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ | |
896 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits | |
897 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ | |
898 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) | |
899 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ | |
900 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) | |
901 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ | |
902 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) | |
903 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ | |
904 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
905 | #define TYPE_FIELD_PRIVATE(thistype, n) \ | |
906 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ | |
907 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) | |
908 | #define TYPE_FIELD_PROTECTED(thistype, n) \ | |
909 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ | |
910 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) | |
911 | #define TYPE_FIELD_IGNORE(thistype, n) \ | |
912 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ | |
913 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) | |
914 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ | |
915 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
916 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))) | |
917 | ||
01ad7f36 DJ |
918 | #define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0) |
919 | #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind | |
920 | #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2) | |
c906108c SS |
921 | #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n)) |
922 | #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n)) | |
923 | ||
924 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists | |
925 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] | |
926 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields | |
927 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name | |
928 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length | |
929 | ||
930 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] | |
931 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname | |
932 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type | |
ad2f7632 | 933 | #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type) |
c906108c SS |
934 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) |
935 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) | |
936 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) | |
937 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) | |
938 | #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public) | |
939 | #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static) | |
940 | #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final) | |
941 | #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized) | |
942 | #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native) | |
b02dede2 | 943 | #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial) |
c906108c SS |
944 | #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract) |
945 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) | |
946 | #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined) | |
947 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) | |
948 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) | |
949 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) | |
950 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) | |
951 | ||
c906108c SS |
952 | #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr) |
953 | #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file) | |
954 | #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line) | |
c5aa993b | 955 | |
c906108c | 956 | #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \ |
7b83ea04 AC |
957 | (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \ |
958 | (TYPE_NFIELDS (thistype) == 0) && \ | |
d77b6808 JK |
959 | (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)) && \ |
960 | (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype))) | |
c5aa993b | 961 | |
000177f0 AC |
962 | struct builtin_type |
963 | { | |
964 | /* Address/pointer types. */ | |
965 | ||
966 | /* `pointer to data' type. Some target platforms use an implicitly | |
967 | {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */ | |
968 | struct type *builtin_data_ptr; | |
969 | ||
970 | /* `pointer to function (returning void)' type. Harvard | |
971 | architectures mean that ABI function and code pointers are not | |
972 | interconvertible. Similarly, since ANSI, C standards have | |
973 | explicitly said that pointers to functions and pointers to data | |
974 | are not interconvertible --- that is, you can't cast a function | |
975 | pointer to void * and back, and expect to get the same value. | |
976 | However, all function pointer types are interconvertible, so void | |
977 | (*) () can server as a generic function pointer. */ | |
978 | struct type *builtin_func_ptr; | |
979 | ||
980 | /* The target CPU's address type. This is the ISA address size. */ | |
981 | struct type *builtin_core_addr; | |
982 | ||
64c50499 UW |
983 | |
984 | /* Types used for symbols with no debug information. */ | |
985 | struct type *nodebug_text_symbol; | |
986 | struct type *nodebug_data_symbol; | |
987 | struct type *nodebug_unknown_symbol; | |
988 | struct type *nodebug_tls_symbol; | |
989 | ||
990 | ||
000177f0 AC |
991 | /* Integral types. */ |
992 | ||
ea37ba09 | 993 | /* We use these for the '/c' print format, because c_char is just a |
000177f0 AC |
994 | one-byte integral type, which languages less laid back than C |
995 | will print as ... well, a one-byte integral type. */ | |
685419e2 | 996 | struct type *builtin_true_char; |
ea37ba09 | 997 | struct type *builtin_true_unsigned_char; |
000177f0 AC |
998 | |
999 | /* Implicit size/sign (based on the the architecture's ABI). */ | |
1000 | struct type *builtin_void; | |
1001 | struct type *builtin_char; | |
1002 | struct type *builtin_short; | |
1003 | struct type *builtin_int; | |
1004 | struct type *builtin_long; | |
1005 | struct type *builtin_signed_char; | |
1006 | struct type *builtin_unsigned_char; | |
1007 | struct type *builtin_unsigned_short; | |
1008 | struct type *builtin_unsigned_int; | |
1009 | struct type *builtin_unsigned_long; | |
1010 | struct type *builtin_float; | |
1011 | struct type *builtin_double; | |
1012 | struct type *builtin_long_double; | |
1013 | struct type *builtin_complex; | |
1014 | struct type *builtin_double_complex; | |
1015 | struct type *builtin_string; | |
1016 | struct type *builtin_bool; | |
1017 | struct type *builtin_long_long; | |
1018 | struct type *builtin_unsigned_long_long; | |
7678ef8f TJB |
1019 | struct type *builtin_decfloat; |
1020 | struct type *builtin_decdouble; | |
1021 | struct type *builtin_declong; | |
000177f0 | 1022 | }; |
c5aa993b | 1023 | |
000177f0 AC |
1024 | /* Return the type table for the specified architecture. */ |
1025 | extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch); | |
c5aa993b | 1026 | |
5674de60 UW |
1027 | /* Compatibility macros to access types for the current architecture. */ |
1028 | #define builtin_type_void_data_ptr \ | |
1029 | (builtin_type (current_gdbarch)->builtin_data_ptr) | |
1030 | #define builtin_type_void_func_ptr \ | |
1031 | (builtin_type (current_gdbarch)->builtin_func_ptr) | |
1032 | #define builtin_type_CORE_ADDR \ | |
1033 | (builtin_type (current_gdbarch)->builtin_core_addr) | |
1034 | #define builtin_type_true_char \ | |
1035 | (builtin_type (current_gdbarch)->builtin_true_char) | |
1036 | #define builtin_type_void \ | |
1037 | (builtin_type (current_gdbarch)->builtin_void) | |
1038 | #define builtin_type_char \ | |
1039 | (builtin_type (current_gdbarch)->builtin_char) | |
1040 | #define builtin_type_short \ | |
1041 | (builtin_type (current_gdbarch)->builtin_short) | |
1042 | #define builtin_type_int \ | |
1043 | (builtin_type (current_gdbarch)->builtin_int) | |
1044 | #define builtin_type_long \ | |
1045 | (builtin_type (current_gdbarch)->builtin_long) | |
1046 | #define builtin_type_signed_char \ | |
1047 | (builtin_type (current_gdbarch)->builtin_signed_char) | |
1048 | #define builtin_type_unsigned_char \ | |
1049 | (builtin_type (current_gdbarch)->builtin_unsigned_char) | |
1050 | #define builtin_type_unsigned_short \ | |
1051 | (builtin_type (current_gdbarch)->builtin_unsigned_short) | |
1052 | #define builtin_type_unsigned_int \ | |
1053 | (builtin_type (current_gdbarch)->builtin_unsigned_int) | |
1054 | #define builtin_type_unsigned_long \ | |
1055 | (builtin_type (current_gdbarch)->builtin_unsigned_long) | |
1056 | #define builtin_type_float \ | |
1057 | (builtin_type (current_gdbarch)->builtin_float) | |
1058 | #define builtin_type_double \ | |
1059 | (builtin_type (current_gdbarch)->builtin_double) | |
1060 | #define builtin_type_long_double \ | |
1061 | (builtin_type (current_gdbarch)->builtin_long_double) | |
1062 | #define builtin_type_complex \ | |
1063 | (builtin_type (current_gdbarch)->builtin_complex) | |
1064 | #define builtin_type_double_complex \ | |
1065 | (builtin_type (current_gdbarch)->builtin_double_complex) | |
1066 | #define builtin_type_string \ | |
1067 | (builtin_type (current_gdbarch)->builtin_string) | |
1068 | #define builtin_type_bool \ | |
1069 | (builtin_type (current_gdbarch)->builtin_bool) | |
1070 | #define builtin_type_long_long \ | |
1071 | (builtin_type (current_gdbarch)->builtin_long_long) | |
1072 | #define builtin_type_unsigned_long_long \ | |
1073 | (builtin_type (current_gdbarch)->builtin_unsigned_long_long) | |
1074 | ||
1075 | ||
449a5da4 AC |
1076 | /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0" |
1077 | is for when an architecture needs to describe a register that has | |
1078 | no size. */ | |
1079 | extern struct type *builtin_type_int0; | |
c906108c SS |
1080 | extern struct type *builtin_type_int8; |
1081 | extern struct type *builtin_type_uint8; | |
1082 | extern struct type *builtin_type_int16; | |
1083 | extern struct type *builtin_type_uint16; | |
1084 | extern struct type *builtin_type_int32; | |
1085 | extern struct type *builtin_type_uint32; | |
1086 | extern struct type *builtin_type_int64; | |
1087 | extern struct type *builtin_type_uint64; | |
8b982acf EZ |
1088 | extern struct type *builtin_type_int128; |
1089 | extern struct type *builtin_type_uint128; | |
c2d11a7d | 1090 | |
598f52df | 1091 | /* Explicit floating-point formats. See "floatformat.h". */ |
8da61cc4 DJ |
1092 | extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN]; |
1093 | extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN]; | |
1094 | extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN]; | |
1095 | extern const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN]; | |
1096 | extern const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN]; | |
1097 | extern const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN]; | |
1098 | extern const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN]; | |
1099 | extern const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN]; | |
1100 | extern const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN]; | |
1101 | extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN]; | |
b14d30e1 | 1102 | extern const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN]; |
8da61cc4 DJ |
1103 | |
1104 | extern struct type *builtin_type_ieee_single; | |
1105 | extern struct type *builtin_type_ieee_double; | |
598f52df AC |
1106 | extern struct type *builtin_type_i387_ext; |
1107 | extern struct type *builtin_type_m68881_ext; | |
8da61cc4 DJ |
1108 | extern struct type *builtin_type_arm_ext; |
1109 | extern struct type *builtin_type_ia64_spill; | |
1110 | extern struct type *builtin_type_ia64_quad; | |
598f52df | 1111 | |
c906108c SS |
1112 | /* This type represents a type that was unrecognized in symbol |
1113 | read-in. */ | |
1114 | ||
1115 | extern struct type *builtin_type_error; | |
1116 | ||
c906108c SS |
1117 | |
1118 | /* Modula-2 types */ | |
1119 | ||
5760b90a UW |
1120 | struct builtin_m2_type |
1121 | { | |
1122 | struct type *builtin_char; | |
1123 | struct type *builtin_int; | |
1124 | struct type *builtin_card; | |
1125 | struct type *builtin_real; | |
1126 | struct type *builtin_bool; | |
1127 | }; | |
1128 | ||
1129 | /* Return the Modula-2 type table for the specified architecture. */ | |
1130 | extern const struct builtin_m2_type *builtin_m2_type (struct gdbarch *gdbarch); | |
1131 | ||
1132 | /* Compatibility macros to access types for the current architecture. */ | |
1133 | #define builtin_type_m2_char \ | |
1134 | (builtin_m2_type (current_gdbarch)->builtin_char) | |
1135 | #define builtin_type_m2_int \ | |
1136 | (builtin_m2_type (current_gdbarch)->builtin_int) | |
1137 | #define builtin_type_m2_card \ | |
1138 | (builtin_m2_type (current_gdbarch)->builtin_card) | |
1139 | #define builtin_type_m2_real \ | |
1140 | (builtin_m2_type (current_gdbarch)->builtin_real) | |
1141 | #define builtin_type_m2_bool \ | |
1142 | (builtin_m2_type (current_gdbarch)->builtin_bool) | |
1143 | ||
c906108c | 1144 | |
c906108c SS |
1145 | /* Fortran (F77) types */ |
1146 | ||
54ef06c7 UW |
1147 | struct builtin_f_type |
1148 | { | |
1149 | struct type *builtin_character; | |
1150 | struct type *builtin_integer; | |
1151 | struct type *builtin_integer_s2; | |
1152 | struct type *builtin_logical; | |
1153 | struct type *builtin_logical_s1; | |
1154 | struct type *builtin_logical_s2; | |
1155 | struct type *builtin_real; | |
1156 | struct type *builtin_real_s8; | |
1157 | struct type *builtin_real_s16; | |
1158 | struct type *builtin_complex_s8; | |
1159 | struct type *builtin_complex_s16; | |
1160 | struct type *builtin_complex_s32; | |
1161 | struct type *builtin_void; | |
1162 | }; | |
1163 | ||
1164 | /* Return the Fortran type table for the specified architecture. */ | |
1165 | extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch); | |
1166 | ||
1167 | /* Compatibility macros to access types for the current architecture. */ | |
1168 | #define builtin_type_f_character \ | |
1169 | (builtin_f_type (current_gdbarch)->builtin_character) | |
1170 | #define builtin_type_f_integer \ | |
1171 | (builtin_f_type (current_gdbarch)->builtin_integer) | |
1172 | #define builtin_type_f_integer_s2 \ | |
1173 | (builtin_f_type (current_gdbarch)->builtin_integer_s2) | |
1174 | #define builtin_type_f_logical \ | |
1175 | (builtin_f_type (current_gdbarch)->builtin_logical) | |
1176 | #define builtin_type_f_logical_s1 \ | |
1177 | (builtin_f_type (current_gdbarch)->builtin_logical_s1) | |
1178 | #define builtin_type_f_logical_s2 \ | |
1179 | (builtin_f_type (current_gdbarch)->builtin_logical_s2) | |
1180 | #define builtin_type_f_real \ | |
1181 | (builtin_f_type (current_gdbarch)->builtin_real) | |
1182 | #define builtin_type_f_real_s8 \ | |
1183 | (builtin_f_type (current_gdbarch)->builtin_real_s8) | |
1184 | #define builtin_type_f_real_s16 \ | |
1185 | (builtin_f_type (current_gdbarch)->builtin_real_s16) | |
1186 | #define builtin_type_f_complex_s8 \ | |
1187 | (builtin_f_type (current_gdbarch)->builtin_complex_s8) | |
1188 | #define builtin_type_f_complex_s16 \ | |
1189 | (builtin_f_type (current_gdbarch)->builtin_complex_s16) | |
1190 | #define builtin_type_f_complex_s32 \ | |
1191 | (builtin_f_type (current_gdbarch)->builtin_complex_s32) | |
1192 | #define builtin_type_f_void \ | |
1193 | (builtin_f_type (current_gdbarch)->builtin_void) | |
1194 | ||
c906108c SS |
1195 | |
1196 | /* RTTI for C++ */ | |
c5aa993b | 1197 | /* extern struct type *builtin_type_cxx_typeinfo; */ |
c906108c SS |
1198 | |
1199 | /* Maximum and minimum values of built-in types */ | |
1200 | ||
1201 | #define MAX_OF_TYPE(t) \ | |
ba41d549 C |
1202 | (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ |
1203 | : MAX_OF_SIZE(TYPE_LENGTH(t))) | |
c906108c SS |
1204 | |
1205 | #define MIN_OF_TYPE(t) \ | |
ba41d549 C |
1206 | (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ |
1207 | : MIN_OF_SIZE(TYPE_LENGTH(t))) | |
c906108c SS |
1208 | |
1209 | /* Allocate space for storing data associated with a particular type. | |
1210 | We ensure that the space is allocated using the same mechanism that | |
1211 | was used to allocate the space for the type structure itself. I.E. | |
b99607ea EZ |
1212 | if the type is on an objfile's objfile_obstack, then the space for data |
1213 | associated with that type will also be allocated on the objfile_obstack. | |
c906108c SS |
1214 | If the type is not associated with any particular objfile (such as |
1215 | builtin types), then the data space will be allocated with xmalloc, | |
1216 | the same as for the type structure. */ | |
1217 | ||
1218 | #define TYPE_ALLOC(t,size) \ | |
1219 | (TYPE_OBJFILE (t) != NULL \ | |
b99607ea | 1220 | ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \ |
c906108c SS |
1221 | : xmalloc (size)) |
1222 | ||
ae5a43e0 DJ |
1223 | #define TYPE_ZALLOC(t,size) \ |
1224 | (TYPE_OBJFILE (t) != NULL \ | |
1225 | ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \ | |
1226 | 0, size) \ | |
1227 | : xzalloc (size)) | |
1228 | ||
a14ed312 | 1229 | extern struct type *alloc_type (struct objfile *); |
c906108c | 1230 | |
a14ed312 KB |
1231 | extern struct type *init_type (enum type_code, int, int, char *, |
1232 | struct objfile *); | |
c906108c | 1233 | |
0e101458 AC |
1234 | /* Helper functions to construct a struct or record type. An |
1235 | initially empty type is created using init_composite_type(). | |
1236 | Fields are then added using append_struct_type_field(). A union | |
1237 | type has its size set to the largest field. A struct type has each | |
1238 | field packed against the previous. */ | |
1239 | ||
1240 | extern struct type *init_composite_type (char *name, enum type_code code); | |
1241 | extern void append_composite_type_field (struct type *t, char *name, | |
1242 | struct type *field); | |
1243 | ||
4f2aea11 MK |
1244 | /* Helper functions to construct a bit flags type. An initially empty |
1245 | type is created using init_flag_type(). Flags are then added using | |
1246 | append_flag_type_flag(). */ | |
1247 | extern struct type *init_flags_type (char *name, int length); | |
1248 | extern void append_flags_type_flag (struct type *type, int bitpos, char *name); | |
1249 | ||
ea37ba09 | 1250 | extern void make_vector_type (struct type *array_type); |
794ac428 UW |
1251 | extern struct type *init_vector_type (struct type *elt_type, int n); |
1252 | ||
a14ed312 | 1253 | extern struct type *lookup_reference_type (struct type *); |
c906108c | 1254 | |
a14ed312 | 1255 | extern struct type *make_reference_type (struct type *, struct type **); |
c906108c | 1256 | |
a14ed312 | 1257 | extern struct type *make_cv_type (int, int, struct type *, struct type **); |
c906108c | 1258 | |
dd6bda65 DJ |
1259 | extern void replace_type (struct type *, struct type *); |
1260 | ||
47663de5 MS |
1261 | extern int address_space_name_to_int (char *); |
1262 | ||
321432c0 | 1263 | extern const char *address_space_int_to_name (int); |
47663de5 MS |
1264 | |
1265 | extern struct type *make_type_with_address_space (struct type *type, | |
1266 | int space_identifier); | |
1267 | ||
0d5de010 DJ |
1268 | extern struct type *lookup_memberptr_type (struct type *, struct type *); |
1269 | ||
1270 | extern struct type *lookup_methodptr_type (struct type *); | |
c906108c | 1271 | |
0d5de010 DJ |
1272 | extern void smash_to_method_type (struct type *type, struct type *domain, |
1273 | struct type *to_type, struct field *args, | |
1274 | int nargs, int varargs); | |
c906108c | 1275 | |
0d5de010 DJ |
1276 | extern void smash_to_memberptr_type (struct type *, struct type *, |
1277 | struct type *); | |
c906108c | 1278 | |
a14ed312 | 1279 | extern struct type *allocate_stub_method (struct type *); |
c906108c | 1280 | |
a14ed312 | 1281 | extern char *type_name_no_tag (const struct type *); |
c906108c | 1282 | |
a14ed312 | 1283 | extern struct type *lookup_struct_elt_type (struct type *, char *, int); |
c906108c | 1284 | |
a14ed312 | 1285 | extern struct type *make_pointer_type (struct type *, struct type **); |
c906108c | 1286 | |
a14ed312 | 1287 | extern struct type *lookup_pointer_type (struct type *); |
c906108c | 1288 | |
a14ed312 | 1289 | extern struct type *make_function_type (struct type *, struct type **); |
c906108c | 1290 | |
a14ed312 | 1291 | extern struct type *lookup_function_type (struct type *); |
c906108c | 1292 | |
a14ed312 KB |
1293 | extern struct type *create_range_type (struct type *, struct type *, int, |
1294 | int); | |
c906108c | 1295 | |
a14ed312 KB |
1296 | extern struct type *create_array_type (struct type *, struct type *, |
1297 | struct type *); | |
c906108c | 1298 | |
a14ed312 | 1299 | extern struct type *create_string_type (struct type *, struct type *); |
c906108c | 1300 | |
a14ed312 | 1301 | extern struct type *create_set_type (struct type *, struct type *); |
c906108c | 1302 | |
a14ed312 | 1303 | extern struct type *lookup_unsigned_typename (char *); |
c906108c | 1304 | |
a14ed312 | 1305 | extern struct type *lookup_signed_typename (char *); |
c906108c | 1306 | |
a14ed312 | 1307 | extern struct type *check_typedef (struct type *); |
c906108c SS |
1308 | |
1309 | #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE) | |
1310 | ||
de17c821 | 1311 | extern void check_stub_method_group (struct type *, int); |
c906108c | 1312 | |
a14ed312 | 1313 | extern char *gdb_mangle_name (struct type *, int, int); |
c906108c | 1314 | |
a14ed312 | 1315 | extern struct type *lookup_typename (char *, struct block *, int); |
c906108c | 1316 | |
a14ed312 KB |
1317 | extern struct type *lookup_template_type (char *, struct type *, |
1318 | struct block *); | |
c906108c | 1319 | |
a14ed312 | 1320 | extern struct type *lookup_fundamental_type (struct objfile *, int); |
c906108c | 1321 | |
a14ed312 | 1322 | extern void fill_in_vptr_fieldno (struct type *); |
c906108c | 1323 | |
a14ed312 | 1324 | extern int get_destructor_fn_field (struct type *, int *, int *); |
c906108c | 1325 | |
a14ed312 | 1326 | extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *); |
c906108c | 1327 | |
a14ed312 | 1328 | extern int is_ancestor (struct type *, struct type *); |
c906108c | 1329 | |
c906108c SS |
1330 | /* Overload resolution */ |
1331 | ||
1332 | #define LENGTH_MATCH(bv) ((bv)->rank[0]) | |
1333 | ||
c5aa993b | 1334 | /* Badness if parameter list length doesn't match arg list length */ |
c906108c | 1335 | #define LENGTH_MISMATCH_BADNESS 100 |
c5aa993b | 1336 | /* Dummy badness value for nonexistent parameter positions */ |
c906108c SS |
1337 | #define TOO_FEW_PARAMS_BADNESS 100 |
1338 | /* Badness if no conversion among types */ | |
1339 | #define INCOMPATIBLE_TYPE_BADNESS 100 | |
c906108c SS |
1340 | |
1341 | /* Badness of integral promotion */ | |
1342 | #define INTEGER_PROMOTION_BADNESS 1 | |
1343 | /* Badness of floating promotion */ | |
1344 | #define FLOAT_PROMOTION_BADNESS 1 | |
1345 | /* Badness of integral conversion */ | |
1346 | #define INTEGER_CONVERSION_BADNESS 2 | |
1347 | /* Badness of floating conversion */ | |
1348 | #define FLOAT_CONVERSION_BADNESS 2 | |
1349 | /* Badness of integer<->floating conversions */ | |
1350 | #define INT_FLOAT_CONVERSION_BADNESS 2 | |
1351 | /* Badness of converting to a boolean */ | |
1352 | #define BOOLEAN_CONVERSION_BADNESS 2 | |
1353 | /* Badness of pointer conversion */ | |
1354 | #define POINTER_CONVERSION_BADNESS 2 | |
1355 | /* Badness of conversion of pointer to void pointer */ | |
1356 | #define VOID_PTR_CONVERSION_BADNESS 2 | |
db577aea | 1357 | /* Badness of converting derived to base class */ |
c906108c | 1358 | #define BASE_CONVERSION_BADNESS 2 |
db577aea AC |
1359 | /* Badness of converting from non-reference to reference */ |
1360 | #define REFERENCE_CONVERSION_BADNESS 2 | |
7b83ea04 | 1361 | |
c906108c SS |
1362 | /* Non-standard conversions allowed by the debugger */ |
1363 | /* Converting a pointer to an int is usually OK */ | |
1364 | #define NS_POINTER_CONVERSION_BADNESS 10 | |
1365 | ||
1366 | ||
a14ed312 | 1367 | extern int compare_badness (struct badness_vector *, struct badness_vector *); |
c906108c | 1368 | |
a14ed312 KB |
1369 | extern struct badness_vector *rank_function (struct type **, int, |
1370 | struct type **, int); | |
c906108c | 1371 | |
a14ed312 | 1372 | extern int rank_one_type (struct type *, struct type *); |
c906108c | 1373 | |
a14ed312 | 1374 | extern void recursive_dump_type (struct type *, int); |
c906108c SS |
1375 | |
1376 | /* printcmd.c */ | |
1377 | ||
366b1cbf | 1378 | extern void print_scalar_formatted (const void *, struct type *, int, int, |
d9fcf2fb | 1379 | struct ui_file *); |
c906108c | 1380 | |
a14ed312 | 1381 | extern int can_dereference (struct type *); |
c906108c | 1382 | |
a14ed312 | 1383 | extern int is_integral_type (struct type *); |
adf40b2e | 1384 | |
a14ed312 | 1385 | extern void maintenance_print_type (char *, int); |
c906108c | 1386 | |
ae5a43e0 DJ |
1387 | extern htab_t create_copied_types_hash (struct objfile *objfile); |
1388 | ||
1389 | extern struct type *copy_type_recursive (struct objfile *objfile, | |
1390 | struct type *type, | |
1391 | htab_t copied_types); | |
1392 | ||
c5aa993b | 1393 | #endif /* GDBTYPES_H */ |