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80180f79 | 1 | |
c906108c | 2 | /* Internal type definitions for GDB. |
1bac305b | 3 | |
213516ef | 4 | Copyright (C) 1992-2023 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 | ||
5e3a2c38 SS |
26 | /* * \page gdbtypes GDB Types |
27 | ||
28 | GDB represents all the different kinds of types in programming | |
29 | languages using a common representation defined in gdbtypes.h. | |
30 | ||
31 | The main data structure is main_type; it consists of a code (such | |
71e50e83 | 32 | as #TYPE_CODE_ENUM for enumeration types), a number of |
5e3a2c38 | 33 | generally-useful fields such as the printable name, and finally a |
71e50e83 YQ |
34 | field main_type::type_specific that is a union of info specific to |
35 | particular languages or other special cases (such as calling | |
36 | convention). | |
5e3a2c38 | 37 | |
71e50e83 | 38 | The available type codes are defined in enum #type_code. The enum |
5e3a2c38 SS |
39 | includes codes both for types that are common across a variety |
40 | of languages, and for types that are language-specific. | |
41 | ||
71e50e83 YQ |
42 | Most accesses to type fields go through macros such as |
43 | #TYPE_CODE(thistype) and #TYPE_FN_FIELD_CONST(thisfn, n). These are | |
44 | written such that they can be used as both rvalues and lvalues. | |
5e3a2c38 SS |
45 | */ |
46 | ||
ae5a43e0 | 47 | #include "hashtab.h" |
268a13a5 | 48 | #include "gdbsupport/array-view.h" |
0589ca4e | 49 | #include "gdbsupport/gdb-hashtab.h" |
6244c119 | 50 | #include "gdbsupport/gdb_optional.h" |
268a13a5 TT |
51 | #include "gdbsupport/offset-type.h" |
52 | #include "gdbsupport/enum-flags.h" | |
53 | #include "gdbsupport/underlying.h" | |
54 | #include "gdbsupport/print-utils.h" | |
a0e0ca70 | 55 | #include "gdbsupport/function-view.h" |
e35000a7 | 56 | #include "dwarf2.h" |
bf31fd38 | 57 | #include "gdbsupport/gdb_obstack.h" |
09584414 | 58 | #include "gmp-utils.h" |
bd2b40ac | 59 | #include "frame-info.h" |
ae5a43e0 | 60 | |
7fc73f38 | 61 | /* Forward declarations for prototypes. */ |
da3331ec | 62 | struct field; |
7fc73f38 | 63 | struct block; |
79a45b7d | 64 | struct value_print_options; |
e6c014f2 | 65 | struct language_defn; |
9f47c707 SM |
66 | struct dwarf2_per_cu_data; |
67 | struct dwarf2_per_objfile; | |
7fc73f38 | 68 | |
836bf454 JK |
69 | /* These declarations are DWARF-specific as some of the gdbtypes.h data types |
70 | are already DWARF-specific. */ | |
71 | ||
5e3a2c38 SS |
72 | /* * Offset relative to the start of its containing CU (compilation |
73 | unit). */ | |
9c541725 | 74 | DEFINE_OFFSET_TYPE (cu_offset, unsigned int); |
836bf454 | 75 | |
5e3a2c38 SS |
76 | /* * Offset relative to the start of its .debug_info or .debug_types |
77 | section. */ | |
9d8780f0 SM |
78 | DEFINE_OFFSET_TYPE (sect_offset, uint64_t); |
79 | ||
80 | static inline char * | |
81 | sect_offset_str (sect_offset offset) | |
82 | { | |
83 | return hex_string (to_underlying (offset)); | |
84 | } | |
836bf454 | 85 | |
c906108c SS |
86 | /* Some macros for char-based bitfields. */ |
87 | ||
88 | #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7))) | |
89 | #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7))) | |
90 | #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7))) | |
91 | #define B_TYPE unsigned char | |
92 | #define B_BYTES(x) ( 1 + ((x)>>3) ) | |
93 | #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x)) | |
94 | ||
5e3a2c38 SS |
95 | /* * Different kinds of data types are distinguished by the `code' |
96 | field. */ | |
c906108c SS |
97 | |
98 | enum type_code | |
c5aa993b | 99 | { |
5e3a2c38 | 100 | TYPE_CODE_UNDEF = 0, /**< Not used; catches errors */ |
e6742ace | 101 | |
4881fcd7 TT |
102 | #define OP(X) X, |
103 | #include "type-codes.def" | |
104 | #undef OP | |
e6742ace | 105 | |
c5aa993b | 106 | }; |
c906108c | 107 | |
5e3a2c38 | 108 | /* * Some bits for the type's instance_flags word. See the macros |
a9ff5f12 | 109 | below for documentation on each bit. */ |
5e3a2c38 | 110 | |
ad69edbb | 111 | enum type_instance_flag_value : unsigned |
876cecd0 TT |
112 | { |
113 | TYPE_INSTANCE_FLAG_CONST = (1 << 0), | |
114 | TYPE_INSTANCE_FLAG_VOLATILE = (1 << 1), | |
115 | TYPE_INSTANCE_FLAG_CODE_SPACE = (1 << 2), | |
116 | TYPE_INSTANCE_FLAG_DATA_SPACE = (1 << 3), | |
117 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 = (1 << 4), | |
2844d6b5 KW |
118 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5), |
119 | TYPE_INSTANCE_FLAG_NOTTEXT = (1 << 6), | |
a2c2acaf MW |
120 | TYPE_INSTANCE_FLAG_RESTRICT = (1 << 7), |
121 | TYPE_INSTANCE_FLAG_ATOMIC = (1 << 8) | |
876cecd0 | 122 | }; |
c906108c | 123 | |
3693fdb3 PA |
124 | DEF_ENUM_FLAGS_TYPE (enum type_instance_flag_value, type_instance_flags); |
125 | ||
5e3a2c38 | 126 | /* * Not textual. By default, GDB treats all single byte integers as |
876cecd0 TT |
127 | characters (or elements of strings) unless this flag is set. */ |
128 | ||
10242f36 | 129 | #define TYPE_NOTTEXT(t) (((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_NOTTEXT) |
876cecd0 | 130 | |
5e3a2c38 | 131 | /* * Constant type. If this is set, the corresponding type has a |
0963b4bd | 132 | const modifier. */ |
876cecd0 | 133 | |
10242f36 | 134 | #define TYPE_CONST(t) ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_CONST) != 0) |
876cecd0 | 135 | |
5e3a2c38 | 136 | /* * Volatile type. If this is set, the corresponding type has a |
0963b4bd | 137 | volatile modifier. */ |
876cecd0 | 138 | |
3e43a32a | 139 | #define TYPE_VOLATILE(t) \ |
10242f36 | 140 | ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_VOLATILE) != 0) |
c906108c | 141 | |
5e3a2c38 | 142 | /* * Restrict type. If this is set, the corresponding type has a |
06d66ee9 TT |
143 | restrict modifier. */ |
144 | ||
145 | #define TYPE_RESTRICT(t) \ | |
10242f36 | 146 | ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_RESTRICT) != 0) |
06d66ee9 | 147 | |
a2c2acaf MW |
148 | /* * Atomic type. If this is set, the corresponding type has an |
149 | _Atomic modifier. */ | |
150 | ||
151 | #define TYPE_ATOMIC(t) \ | |
10242f36 | 152 | ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_ATOMIC) != 0) |
a2c2acaf | 153 | |
f9aeb8d4 AV |
154 | /* * True if this type represents either an lvalue or lvalue reference type. */ |
155 | ||
156 | #define TYPE_IS_REFERENCE(t) \ | |
78134374 | 157 | ((t)->code () == TYPE_CODE_REF || (t)->code () == TYPE_CODE_RVALUE_REF) |
f9aeb8d4 | 158 | |
bc68014d AB |
159 | /* * True if this type is allocatable. */ |
160 | #define TYPE_IS_ALLOCATABLE(t) \ | |
24e99c6c | 161 | ((t)->dyn_prop (DYN_PROP_ALLOCATED) != NULL) |
bc68014d | 162 | |
ef83a141 TT |
163 | /* * True if this type has variant parts. */ |
164 | #define TYPE_HAS_VARIANT_PARTS(t) \ | |
24e99c6c | 165 | ((t)->dyn_prop (DYN_PROP_VARIANT_PARTS) != nullptr) |
ef83a141 | 166 | |
f8e89861 TT |
167 | /* * True if this type has a dynamic length. */ |
168 | #define TYPE_HAS_DYNAMIC_LENGTH(t) \ | |
24e99c6c | 169 | ((t)->dyn_prop (DYN_PROP_BYTE_SIZE) != nullptr) |
f8e89861 | 170 | |
5e3a2c38 | 171 | /* * Instruction-space delimited type. This is for Harvard architectures |
47663de5 MS |
172 | which have separate instruction and data address spaces (and perhaps |
173 | others). | |
174 | ||
175 | GDB usually defines a flat address space that is a superset of the | |
176 | architecture's two (or more) address spaces, but this is an extension | |
177 | of the architecture's model. | |
178 | ||
a9ff5f12 | 179 | If TYPE_INSTANCE_FLAG_CODE_SPACE is set, an object of the corresponding type |
47663de5 MS |
180 | resides in instruction memory, even if its address (in the extended |
181 | flat address space) does not reflect this. | |
182 | ||
a9ff5f12 | 183 | Similarly, if TYPE_INSTANCE_FLAG_DATA_SPACE is set, then an object of the |
47663de5 MS |
184 | corresponding type resides in the data memory space, even if |
185 | this is not indicated by its (flat address space) address. | |
186 | ||
187 | If neither flag is set, the default space for functions / methods | |
188 | is instruction space, and for data objects is data memory. */ | |
189 | ||
876cecd0 | 190 | #define TYPE_CODE_SPACE(t) \ |
10242f36 | 191 | ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_CODE_SPACE) != 0) |
47663de5 | 192 | |
876cecd0 | 193 | #define TYPE_DATA_SPACE(t) \ |
10242f36 | 194 | ((((t)->instance_flags ()) & TYPE_INSTANCE_FLAG_DATA_SPACE) != 0) |
f5f8a009 | 195 | |
5e3a2c38 SS |
196 | /* * Address class flags. Some environments provide for pointers |
197 | whose size is different from that of a normal pointer or address | |
198 | types where the bits are interpreted differently than normal | |
a9ff5f12 | 199 | addresses. The TYPE_INSTANCE_FLAG_ADDRESS_CLASS_n flags may be used in |
5e3a2c38 SS |
200 | target specific ways to represent these different types of address |
201 | classes. */ | |
202 | ||
10242f36 | 203 | #define TYPE_ADDRESS_CLASS_1(t) (((t)->instance_flags ()) \ |
dda83cd7 | 204 | & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1) |
10242f36 | 205 | #define TYPE_ADDRESS_CLASS_2(t) (((t)->instance_flags ()) \ |
876cecd0 TT |
206 | & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2) |
207 | #define TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL \ | |
208 | (TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2) | |
10242f36 | 209 | #define TYPE_ADDRESS_CLASS_ALL(t) (((t)->instance_flags ()) \ |
876cecd0 | 210 | & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL) |
d77b6808 | 211 | |
ef83a141 TT |
212 | /* * Information about a single discriminant. */ |
213 | ||
214 | struct discriminant_range | |
215 | { | |
216 | /* * The range of values for the variant. This is an inclusive | |
217 | range. */ | |
218 | ULONGEST low, high; | |
219 | ||
220 | /* * Return true if VALUE is contained in this range. IS_UNSIGNED | |
221 | is true if this should be an unsigned comparison; false for | |
222 | signed. */ | |
223 | bool contains (ULONGEST value, bool is_unsigned) const | |
224 | { | |
225 | if (is_unsigned) | |
226 | return value >= low && value <= high; | |
227 | LONGEST valuel = (LONGEST) value; | |
228 | return valuel >= (LONGEST) low && valuel <= (LONGEST) high; | |
229 | } | |
230 | }; | |
231 | ||
232 | struct variant_part; | |
233 | ||
234 | /* * A single variant. A variant has a list of discriminant values. | |
235 | When the discriminator matches one of these, the variant is | |
236 | enabled. Each variant controls zero or more fields; and may also | |
237 | control other variant parts as well. This struct corresponds to | |
238 | DW_TAG_variant in DWARF. */ | |
239 | ||
240 | struct variant : allocate_on_obstack | |
241 | { | |
242 | /* * The discriminant ranges for this variant. */ | |
243 | gdb::array_view<discriminant_range> discriminants; | |
244 | ||
245 | /* * The fields controlled by this variant. This is inclusive on | |
246 | the low end and exclusive on the high end. A variant may not | |
247 | control any fields, in which case the two values will be equal. | |
248 | These are indexes into the type's array of fields. */ | |
249 | int first_field; | |
250 | int last_field; | |
251 | ||
252 | /* * Variant parts controlled by this variant. */ | |
253 | gdb::array_view<variant_part> parts; | |
254 | ||
255 | /* * Return true if this is the default variant. The default | |
256 | variant can be recognized because it has no associated | |
257 | discriminants. */ | |
258 | bool is_default () const | |
259 | { | |
260 | return discriminants.empty (); | |
261 | } | |
262 | ||
263 | /* * Return true if this variant matches VALUE. IS_UNSIGNED is true | |
264 | if this should be an unsigned comparison; false for signed. */ | |
265 | bool matches (ULONGEST value, bool is_unsigned) const; | |
266 | }; | |
267 | ||
268 | /* * A variant part. Each variant part has an optional discriminant | |
269 | and holds an array of variants. This struct corresponds to | |
270 | DW_TAG_variant_part in DWARF. */ | |
271 | ||
272 | struct variant_part : allocate_on_obstack | |
273 | { | |
274 | /* * The index of the discriminant field in the outer type. This is | |
275 | an index into the type's array of fields. If this is -1, there | |
276 | is no discriminant, and only the default variant can be | |
277 | considered to be selected. */ | |
278 | int discriminant_index; | |
279 | ||
280 | /* * True if this discriminant is unsigned; false if signed. This | |
281 | comes from the type of the discriminant. */ | |
282 | bool is_unsigned; | |
283 | ||
284 | /* * The variants that are controlled by this variant part. Note | |
285 | that these will always be sorted by field number. */ | |
286 | gdb::array_view<variant> variants; | |
287 | }; | |
288 | ||
289 | ||
52059ffd TT |
290 | enum dynamic_prop_kind |
291 | { | |
292 | PROP_UNDEFINED, /* Not defined. */ | |
293 | PROP_CONST, /* Constant. */ | |
294 | PROP_ADDR_OFFSET, /* Address offset. */ | |
295 | PROP_LOCEXPR, /* Location expression. */ | |
ef83a141 TT |
296 | PROP_LOCLIST, /* Location list. */ |
297 | PROP_VARIANT_PARTS, /* Variant parts. */ | |
298 | PROP_TYPE, /* Type. */ | |
386de171 | 299 | PROP_VARIABLE_NAME, /* Variable name. */ |
52059ffd TT |
300 | }; |
301 | ||
302 | union dynamic_prop_data | |
303 | { | |
304 | /* Storage for constant property. */ | |
305 | ||
306 | LONGEST const_val; | |
307 | ||
308 | /* Storage for dynamic property. */ | |
309 | ||
310 | void *baton; | |
ef83a141 TT |
311 | |
312 | /* Storage of variant parts for a type. A type with variant parts | |
313 | has all its fields "linearized" -- stored in a single field | |
314 | array, just as if they had all been declared that way. The | |
315 | variant parts are attached via a dynamic property, and then are | |
316 | used to control which fields end up in the final type during | |
317 | dynamic type resolution. */ | |
318 | ||
319 | const gdb::array_view<variant_part> *variant_parts; | |
320 | ||
321 | /* Once a variant type is resolved, we may want to be able to go | |
322 | from the resolved type to the original type. In this case we | |
323 | rewrite the property's kind and set this field. */ | |
324 | ||
325 | struct type *original_type; | |
386de171 TT |
326 | |
327 | /* Name of a variable to look up; the variable holds the value of | |
328 | this property. */ | |
329 | ||
330 | const char *variable_name; | |
52059ffd TT |
331 | }; |
332 | ||
729efb13 SA |
333 | /* * Used to store a dynamic property. */ |
334 | ||
335 | struct dynamic_prop | |
336 | { | |
8c2e4e06 SM |
337 | dynamic_prop_kind kind () const |
338 | { | |
339 | return m_kind; | |
340 | } | |
341 | ||
342 | void set_undefined () | |
343 | { | |
344 | m_kind = PROP_UNDEFINED; | |
345 | } | |
346 | ||
347 | LONGEST const_val () const | |
348 | { | |
349 | gdb_assert (m_kind == PROP_CONST); | |
350 | ||
351 | return m_data.const_val; | |
352 | } | |
353 | ||
354 | void set_const_val (LONGEST const_val) | |
355 | { | |
356 | m_kind = PROP_CONST; | |
357 | m_data.const_val = const_val; | |
358 | } | |
359 | ||
360 | void *baton () const | |
361 | { | |
362 | gdb_assert (m_kind == PROP_LOCEXPR | |
363 | || m_kind == PROP_LOCLIST | |
364 | || m_kind == PROP_ADDR_OFFSET); | |
365 | ||
366 | return m_data.baton; | |
367 | } | |
368 | ||
369 | void set_locexpr (void *baton) | |
370 | { | |
371 | m_kind = PROP_LOCEXPR; | |
372 | m_data.baton = baton; | |
373 | } | |
374 | ||
375 | void set_loclist (void *baton) | |
376 | { | |
377 | m_kind = PROP_LOCLIST; | |
378 | m_data.baton = baton; | |
379 | } | |
380 | ||
381 | void set_addr_offset (void *baton) | |
382 | { | |
383 | m_kind = PROP_ADDR_OFFSET; | |
384 | m_data.baton = baton; | |
385 | } | |
386 | ||
387 | const gdb::array_view<variant_part> *variant_parts () const | |
388 | { | |
389 | gdb_assert (m_kind == PROP_VARIANT_PARTS); | |
390 | ||
391 | return m_data.variant_parts; | |
392 | } | |
393 | ||
394 | void set_variant_parts (gdb::array_view<variant_part> *variant_parts) | |
395 | { | |
396 | m_kind = PROP_VARIANT_PARTS; | |
397 | m_data.variant_parts = variant_parts; | |
398 | } | |
399 | ||
400 | struct type *original_type () const | |
401 | { | |
402 | gdb_assert (m_kind == PROP_TYPE); | |
403 | ||
404 | return m_data.original_type; | |
405 | } | |
406 | ||
407 | void set_original_type (struct type *original_type) | |
408 | { | |
409 | m_kind = PROP_TYPE; | |
410 | m_data.original_type = original_type; | |
411 | } | |
412 | ||
386de171 TT |
413 | /* Return the name of the variable that holds this property's value. |
414 | Only valid for PROP_VARIABLE_NAME. */ | |
415 | const char *variable_name () const | |
416 | { | |
417 | gdb_assert (m_kind == PROP_VARIABLE_NAME); | |
418 | return m_data.variable_name; | |
419 | } | |
420 | ||
421 | /* Set the name of the variable that holds this property's value, | |
422 | and set this property to be of kind PROP_VARIABLE_NAME. */ | |
423 | void set_variable_name (const char *name) | |
424 | { | |
425 | m_kind = PROP_VARIABLE_NAME; | |
426 | m_data.variable_name = name; | |
427 | } | |
428 | ||
729efb13 | 429 | /* Determine which field of the union dynamic_prop.data is used. */ |
8c2e4e06 | 430 | enum dynamic_prop_kind m_kind; |
729efb13 SA |
431 | |
432 | /* Storage for dynamic or static value. */ | |
8c2e4e06 | 433 | union dynamic_prop_data m_data; |
729efb13 SA |
434 | }; |
435 | ||
0f59d5fc PA |
436 | /* Compare two dynamic_prop objects for equality. dynamic_prop |
437 | instances are equal iff they have the same type and storage. */ | |
438 | extern bool operator== (const dynamic_prop &l, const dynamic_prop &r); | |
439 | ||
440 | /* Compare two dynamic_prop objects for inequality. */ | |
441 | static inline bool operator!= (const dynamic_prop &l, const dynamic_prop &r) | |
442 | { | |
443 | return !(l == r); | |
444 | } | |
445 | ||
d9823cbb KB |
446 | /* * Define a type's dynamic property node kind. */ |
447 | enum dynamic_prop_node_kind | |
448 | { | |
449 | /* A property providing a type's data location. | |
450 | Evaluating this field yields to the location of an object's data. */ | |
93a8e227 | 451 | DYN_PROP_DATA_LOCATION, |
3f2f83dd KB |
452 | |
453 | /* A property representing DW_AT_allocated. The presence of this attribute | |
454 | indicates that the object of the type can be allocated/deallocated. */ | |
455 | DYN_PROP_ALLOCATED, | |
456 | ||
a51119cd | 457 | /* A property representing DW_AT_associated. The presence of this attribute |
3f2f83dd KB |
458 | indicated that the object of the type can be associated. */ |
459 | DYN_PROP_ASSOCIATED, | |
a405673c JB |
460 | |
461 | /* A property providing an array's byte stride. */ | |
462 | DYN_PROP_BYTE_STRIDE, | |
7c22600a | 463 | |
ef83a141 TT |
464 | /* A property holding variant parts. */ |
465 | DYN_PROP_VARIANT_PARTS, | |
f8e89861 | 466 | |
df7a7bdd | 467 | /* A property representing DW_AT_rank. The presence of this attribute |
468 | indicates that the object is of assumed rank array type. */ | |
469 | DYN_PROP_RANK, | |
470 | ||
f8e89861 TT |
471 | /* A property holding the size of the type. */ |
472 | DYN_PROP_BYTE_SIZE, | |
d9823cbb KB |
473 | }; |
474 | ||
475 | /* * List for dynamic type attributes. */ | |
476 | struct dynamic_prop_list | |
477 | { | |
478 | /* The kind of dynamic prop in this node. */ | |
479 | enum dynamic_prop_node_kind prop_kind; | |
480 | ||
481 | /* The dynamic property itself. */ | |
283a9958 | 482 | struct dynamic_prop prop; |
d9823cbb KB |
483 | |
484 | /* A pointer to the next dynamic property. */ | |
485 | struct dynamic_prop_list *next; | |
486 | }; | |
729efb13 | 487 | |
5e3a2c38 SS |
488 | /* * Determine which field of the union main_type.fields[x].loc is |
489 | used. */ | |
d6a843b5 JK |
490 | |
491 | enum field_loc_kind | |
492 | { | |
5e3a2c38 SS |
493 | FIELD_LOC_KIND_BITPOS, /**< bitpos */ |
494 | FIELD_LOC_KIND_ENUMVAL, /**< enumval */ | |
495 | FIELD_LOC_KIND_PHYSADDR, /**< physaddr */ | |
496 | FIELD_LOC_KIND_PHYSNAME, /**< physname */ | |
497 | FIELD_LOC_KIND_DWARF_BLOCK /**< dwarf_block */ | |
d6a843b5 JK |
498 | }; |
499 | ||
5e3a2c38 SS |
500 | /* * A discriminant to determine which field in the |
501 | main_type.type_specific union is being used, if any. | |
b4ba55a1 | 502 | |
09e2d7c7 | 503 | For types such as TYPE_CODE_FLT, the use of this |
b4ba55a1 JB |
504 | discriminant is really redundant, as we know from the type code |
505 | which field is going to be used. As such, it would be possible to | |
506 | reduce the size of this enum in order to save a bit or two for | |
507 | other fields of struct main_type. But, since we still have extra | |
508 | room , and for the sake of clarity and consistency, we treat all fields | |
509 | of the union the same way. */ | |
510 | ||
511 | enum type_specific_kind | |
512 | { | |
513 | TYPE_SPECIFIC_NONE, | |
514 | TYPE_SPECIFIC_CPLUS_STUFF, | |
515 | TYPE_SPECIFIC_GNAT_STUFF, | |
516 | TYPE_SPECIFIC_FLOATFORMAT, | |
09e2d7c7 DE |
517 | /* Note: This is used by TYPE_CODE_FUNC and TYPE_CODE_METHOD. */ |
518 | TYPE_SPECIFIC_FUNC, | |
20a5fcbd | 519 | TYPE_SPECIFIC_SELF_TYPE, |
09584414 JB |
520 | TYPE_SPECIFIC_INT, |
521 | TYPE_SPECIFIC_FIXED_POINT, | |
b4ba55a1 JB |
522 | }; |
523 | ||
52059ffd TT |
524 | union type_owner |
525 | { | |
526 | struct objfile *objfile; | |
527 | struct gdbarch *gdbarch; | |
528 | }; | |
529 | ||
530 | union field_location | |
531 | { | |
532 | /* * Position of this field, counting in bits from start of | |
d5a22e77 TT |
533 | containing structure. For big-endian targets, it is the bit |
534 | offset to the MSB. For little-endian targets, it is the bit | |
535 | offset to the LSB. */ | |
52059ffd | 536 | |
6b850546 | 537 | LONGEST bitpos; |
52059ffd TT |
538 | |
539 | /* * Enum value. */ | |
540 | LONGEST enumval; | |
541 | ||
542 | /* * For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then | |
543 | physaddr is the location (in the target) of the static | |
544 | field. Otherwise, physname is the mangled label of the | |
545 | static field. */ | |
546 | ||
547 | CORE_ADDR physaddr; | |
548 | const char *physname; | |
549 | ||
550 | /* * The field location can be computed by evaluating the | |
551 | following DWARF block. Its DATA is allocated on | |
552 | objfile_obstack - no CU load is needed to access it. */ | |
553 | ||
554 | struct dwarf2_locexpr_baton *dwarf_block; | |
555 | }; | |
556 | ||
557 | struct field | |
558 | { | |
5d14b6e5 SM |
559 | struct type *type () const |
560 | { | |
561 | return this->m_type; | |
562 | } | |
563 | ||
564 | void set_type (struct type *type) | |
565 | { | |
566 | this->m_type = type; | |
567 | } | |
568 | ||
d3fd12df SM |
569 | const char *name () const |
570 | { | |
571 | return m_name; | |
572 | } | |
573 | ||
574 | void set_name (const char *name) | |
575 | { | |
576 | m_name = name; | |
577 | } | |
578 | ||
cd3f655c SM |
579 | /* Location getters / setters. */ |
580 | ||
581 | field_loc_kind loc_kind () const | |
582 | { | |
583 | return m_loc_kind; | |
584 | } | |
585 | ||
586 | LONGEST loc_bitpos () const | |
587 | { | |
588 | gdb_assert (m_loc_kind == FIELD_LOC_KIND_BITPOS); | |
589 | return m_loc.bitpos; | |
590 | } | |
591 | ||
592 | void set_loc_bitpos (LONGEST bitpos) | |
593 | { | |
594 | m_loc_kind = FIELD_LOC_KIND_BITPOS; | |
595 | m_loc.bitpos = bitpos; | |
596 | } | |
597 | ||
598 | LONGEST loc_enumval () const | |
599 | { | |
600 | gdb_assert (m_loc_kind == FIELD_LOC_KIND_ENUMVAL); | |
601 | return m_loc.enumval; | |
602 | } | |
603 | ||
604 | void set_loc_enumval (LONGEST enumval) | |
605 | { | |
606 | m_loc_kind = FIELD_LOC_KIND_ENUMVAL; | |
607 | m_loc.enumval = enumval; | |
608 | } | |
609 | ||
610 | CORE_ADDR loc_physaddr () const | |
611 | { | |
612 | gdb_assert (m_loc_kind == FIELD_LOC_KIND_PHYSADDR); | |
613 | return m_loc.physaddr; | |
614 | } | |
615 | ||
616 | void set_loc_physaddr (CORE_ADDR physaddr) | |
617 | { | |
618 | m_loc_kind = FIELD_LOC_KIND_PHYSADDR; | |
619 | m_loc.physaddr = physaddr; | |
620 | } | |
621 | ||
622 | const char *loc_physname () const | |
623 | { | |
624 | gdb_assert (m_loc_kind == FIELD_LOC_KIND_PHYSNAME); | |
625 | return m_loc.physname; | |
626 | } | |
627 | ||
628 | void set_loc_physname (const char *physname) | |
629 | { | |
630 | m_loc_kind = FIELD_LOC_KIND_PHYSNAME; | |
631 | m_loc.physname = physname; | |
632 | } | |
633 | ||
634 | dwarf2_locexpr_baton *loc_dwarf_block () const | |
635 | { | |
636 | gdb_assert (m_loc_kind == FIELD_LOC_KIND_DWARF_BLOCK); | |
637 | return m_loc.dwarf_block; | |
638 | } | |
639 | ||
640 | void set_loc_dwarf_block (dwarf2_locexpr_baton *dwarf_block) | |
641 | { | |
642 | m_loc_kind = FIELD_LOC_KIND_DWARF_BLOCK; | |
643 | m_loc.dwarf_block = dwarf_block; | |
644 | } | |
645 | ||
646 | union field_location m_loc; | |
52059ffd TT |
647 | |
648 | /* * For a function or member type, this is 1 if the argument is | |
649 | marked artificial. Artificial arguments should not be shown | |
650 | to the user. For TYPE_CODE_RANGE it is set if the specific | |
651 | bound is not defined. */ | |
652 | ||
653 | unsigned int artificial : 1; | |
654 | ||
655 | /* * Discriminant for union field_location. */ | |
656 | ||
cd3f655c | 657 | ENUM_BITFIELD(field_loc_kind) m_loc_kind : 3; |
52059ffd TT |
658 | |
659 | /* * Size of this field, in bits, or zero if not packed. | |
660 | If non-zero in an array type, indicates the element size in | |
661 | bits (used only in Ada at the moment). | |
662 | For an unpacked field, the field's type's length | |
663 | says how many bytes the field occupies. */ | |
664 | ||
665 | unsigned int bitsize : 28; | |
666 | ||
667 | /* * In a struct or union type, type of this field. | |
668 | - In a function or member type, type of this argument. | |
669 | - In an array type, the domain-type of the array. */ | |
670 | ||
5d14b6e5 | 671 | struct type *m_type; |
52059ffd TT |
672 | |
673 | /* * Name of field, value or argument. | |
674 | NULL for range bounds, array domains, and member function | |
675 | arguments. */ | |
676 | ||
d3fd12df | 677 | const char *m_name; |
52059ffd TT |
678 | }; |
679 | ||
680 | struct range_bounds | |
681 | { | |
107406b7 SM |
682 | ULONGEST bit_stride () const |
683 | { | |
684 | if (this->flag_is_byte_stride) | |
685 | return this->stride.const_val () * 8; | |
686 | else | |
687 | return this->stride.const_val (); | |
688 | } | |
689 | ||
52059ffd TT |
690 | /* * Low bound of range. */ |
691 | ||
692 | struct dynamic_prop low; | |
693 | ||
694 | /* * High bound of range. */ | |
695 | ||
696 | struct dynamic_prop high; | |
697 | ||
5bbd8269 AB |
698 | /* The stride value for this range. This can be stored in bits or bytes |
699 | based on the value of BYTE_STRIDE_P. It is optional to have a stride | |
700 | value, if this range has no stride value defined then this will be set | |
701 | to the constant zero. */ | |
702 | ||
703 | struct dynamic_prop stride; | |
704 | ||
4e962e74 TT |
705 | /* * The bias. Sometimes a range value is biased before storage. |
706 | The bias is added to the stored bits to form the true value. */ | |
707 | ||
708 | LONGEST bias; | |
709 | ||
52059ffd | 710 | /* True if HIGH range bound contains the number of elements in the |
bfcdb852 | 711 | subrange. This affects how the final high bound is computed. */ |
52059ffd | 712 | |
bab05c83 | 713 | unsigned int flag_upper_bound_is_count : 1; |
52059ffd TT |
714 | |
715 | /* True if LOW or/and HIGH are resolved into a static bound from | |
716 | a dynamic one. */ | |
717 | ||
bab05c83 | 718 | unsigned int flag_bound_evaluated : 1; |
5bbd8269 AB |
719 | |
720 | /* If this is true this STRIDE is in bytes, otherwise STRIDE is in bits. */ | |
721 | ||
722 | unsigned int flag_is_byte_stride : 1; | |
52059ffd TT |
723 | }; |
724 | ||
0f59d5fc PA |
725 | /* Compare two range_bounds objects for equality. Simply does |
726 | memberwise comparison. */ | |
727 | extern bool operator== (const range_bounds &l, const range_bounds &r); | |
728 | ||
729 | /* Compare two range_bounds objects for inequality. */ | |
730 | static inline bool operator!= (const range_bounds &l, const range_bounds &r) | |
731 | { | |
732 | return !(l == r); | |
733 | } | |
734 | ||
52059ffd TT |
735 | union type_specific |
736 | { | |
737 | /* * CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to | |
738 | point to cplus_struct_default, a default static instance of a | |
739 | struct cplus_struct_type. */ | |
740 | ||
741 | struct cplus_struct_type *cplus_stuff; | |
742 | ||
743 | /* * GNAT_STUFF is for types for which the GNAT Ada compiler | |
744 | provides additional information. */ | |
745 | ||
746 | struct gnat_aux_type *gnat_stuff; | |
747 | ||
0db7851f UW |
748 | /* * FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to a |
749 | floatformat object that describes the floating-point value | |
750 | that resides within the type. */ | |
52059ffd | 751 | |
0db7851f | 752 | const struct floatformat *floatformat; |
52059ffd TT |
753 | |
754 | /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */ | |
755 | ||
756 | struct func_type *func_stuff; | |
757 | ||
758 | /* * For types that are pointer to member types (TYPE_CODE_METHODPTR, | |
759 | TYPE_CODE_MEMBERPTR), SELF_TYPE is the type that this pointer | |
760 | is a member of. */ | |
761 | ||
762 | struct type *self_type; | |
20a5fcbd | 763 | |
09584414 JB |
764 | /* * For TYPE_CODE_FIXED_POINT types, the info necessary to decode |
765 | values of that type. */ | |
766 | struct fixed_point_type_info *fixed_point_info; | |
767 | ||
20a5fcbd TT |
768 | /* * An integer-like scalar type may be stored in just part of its |
769 | enclosing storage bytes. This structure describes this | |
770 | situation. */ | |
771 | struct | |
772 | { | |
773 | /* * The bit size of the integer. This can be 0. For integers | |
774 | that fill their storage (the ordinary case), this field holds | |
775 | the byte size times 8. */ | |
776 | unsigned short bit_size; | |
777 | /* * The bit offset of the integer. This is ordinarily 0, and can | |
778 | only be non-zero if the bit size is less than the storage | |
779 | size. */ | |
780 | unsigned short bit_offset; | |
781 | } int_stuff; | |
52059ffd TT |
782 | }; |
783 | ||
5e3a2c38 SS |
784 | /* * Main structure representing a type in GDB. |
785 | ||
786 | This structure is space-critical. Its layout has been tweaked to | |
787 | reduce the space used. */ | |
0955bbf0 | 788 | |
2fdde8f8 DJ |
789 | struct main_type |
790 | { | |
5e3a2c38 | 791 | /* * Code for kind of type. */ |
2fdde8f8 | 792 | |
0955bbf0 MC |
793 | ENUM_BITFIELD(type_code) code : 8; |
794 | ||
5e3a2c38 | 795 | /* * Flags about this type. These fields appear at this location |
876cecd0 TT |
796 | because they packs nicely here. See the TYPE_* macros for |
797 | documentation about these fields. */ | |
798 | ||
653223d3 | 799 | unsigned int m_flag_unsigned : 1; |
15152a54 | 800 | unsigned int m_flag_nosign : 1; |
b4b73759 | 801 | unsigned int m_flag_stub : 1; |
8f53807e | 802 | unsigned int m_flag_target_stub : 1; |
27e69b7a | 803 | unsigned int m_flag_prototyped : 1; |
1d6286ed | 804 | unsigned int m_flag_varargs : 1; |
2062087b | 805 | unsigned int m_flag_vector : 1; |
9baccff6 | 806 | unsigned int m_flag_stub_supported : 1; |
03cc7249 | 807 | unsigned int m_flag_gnu_ifunc : 1; |
9cdd0d12 | 808 | unsigned int m_flag_fixed_instance : 1; |
5b7d941b | 809 | unsigned int m_flag_objfile_owned : 1; |
db558e34 | 810 | unsigned int m_flag_endianity_not_default : 1; |
5e3a2c38 SS |
811 | |
812 | /* * True if this type was declared with "class" rather than | |
0cc2414c | 813 | "struct". */ |
5e3a2c38 | 814 | |
aa70e35c | 815 | unsigned int m_flag_declared_class : 1; |
876cecd0 | 816 | |
5e3a2c38 SS |
817 | /* * True if this is an enum type with disjoint values. This |
818 | affects how the enum is printed. */ | |
cafec441 | 819 | |
9902b327 | 820 | unsigned int m_flag_flag_enum : 1; |
cafec441 | 821 | |
6c849804 TT |
822 | /* * For TYPE_CODE_ARRAY, this is true if this type is part of a |
823 | multi-dimensional array. Multi-dimensional arrays are | |
824 | represented internally as arrays of arrays, and this flag lets | |
825 | gdb distinguish between multiple dimensions and an ordinary array | |
826 | of arrays. The flag is set on each inner dimension, but not the | |
827 | outermost dimension. */ | |
828 | ||
829 | unsigned int m_multi_dimensional : 1; | |
830 | ||
5e3a2c38 SS |
831 | /* * A discriminant telling us which field of the type_specific |
832 | union is being used for this type, if any. */ | |
833 | ||
b4ba55a1 JB |
834 | ENUM_BITFIELD(type_specific_kind) type_specific_field : 3; |
835 | ||
5e3a2c38 SS |
836 | /* * Number of fields described for this type. This field appears |
837 | at this location because it packs nicely here. */ | |
876cecd0 TT |
838 | |
839 | short nfields; | |
840 | ||
5e3a2c38 | 841 | /* * Name of this type, or NULL if none. |
2fdde8f8 | 842 | |
e86ca25f TT |
843 | This is used for printing only. For looking up a name, look for |
844 | a symbol in the VAR_DOMAIN. This is generally allocated in the | |
845 | objfile's obstack. However coffread.c uses malloc. */ | |
2fdde8f8 | 846 | |
0d5cff50 | 847 | const char *name; |
2fdde8f8 | 848 | |
5e3a2c38 SS |
849 | /* * Every type is now associated with a particular objfile, and the |
850 | type is allocated on the objfile_obstack for that objfile. One | |
851 | problem however, is that there are times when gdb allocates new | |
852 | types while it is not in the process of reading symbols from a | |
853 | particular objfile. Fortunately, these happen when the type | |
854 | being created is a derived type of an existing type, such as in | |
855 | lookup_pointer_type(). So we can just allocate the new type | |
856 | using the same objfile as the existing type, but to do this we | |
857 | need a backpointer to the objfile from the existing type. Yes | |
858 | this is somewhat ugly, but without major overhaul of the internal | |
859 | type system, it can't be avoided for now. */ | |
2fdde8f8 | 860 | |
5b7d941b | 861 | union type_owner m_owner; |
2fdde8f8 | 862 | |
5e3a2c38 SS |
863 | /* * For a pointer type, describes the type of object pointed to. |
864 | - For an array type, describes the type of the elements. | |
865 | - For a function or method type, describes the type of the return value. | |
866 | - For a range type, describes the type of the full range. | |
867 | - For a complex type, describes the type of each coordinate. | |
868 | - For a special record or union type encoding a dynamic-sized type | |
d09ce91e JB |
869 | in GNAT, a memoized pointer to a corresponding static version of |
870 | the type. | |
5e3a2c38 | 871 | - Unused otherwise. */ |
2fdde8f8 | 872 | |
8a50fdce | 873 | struct type *m_target_type; |
2fdde8f8 | 874 | |
5e3a2c38 | 875 | /* * For structure and union types, a description of each field. |
2fdde8f8 DJ |
876 | For set and pascal array types, there is one "field", |
877 | whose type is the domain type of the set or array. | |
878 | For range types, there are two "fields", | |
879 | the minimum and maximum values (both inclusive). | |
880 | For enum types, each possible value is described by one "field". | |
ad2f7632 | 881 | For a function or method type, a "field" for each parameter. |
2fdde8f8 DJ |
882 | For C++ classes, there is one field for each base class (if it is |
883 | a derived class) plus one field for each class data member. Member | |
884 | functions are recorded elsewhere. | |
885 | ||
886 | Using a pointer to a separate array of fields | |
887 | allows all types to have the same size, which is useful | |
888 | because we can allocate the space for a type before | |
889 | we know what to put in it. */ | |
890 | ||
43bbcdc2 | 891 | union |
c5aa993b | 892 | { |
52059ffd | 893 | struct field *fields; |
01ad7f36 | 894 | |
5e3a2c38 | 895 | /* * Union member used for range types. */ |
43bbcdc2 | 896 | |
52059ffd | 897 | struct range_bounds *bounds; |
c906108c | 898 | |
5b930b45 TT |
899 | /* If this is a scalar type, then this is its corresponding |
900 | complex type. */ | |
901 | struct type *complex_type; | |
902 | ||
43bbcdc2 | 903 | } flds_bnds; |
c906108c | 904 | |
5e3a2c38 SS |
905 | /* * Slot to point to additional language-specific fields of this |
906 | type. */ | |
c906108c | 907 | |
52059ffd | 908 | union type_specific type_specific; |
3cdcd0ce | 909 | |
d9823cbb KB |
910 | /* * Contains all dynamic type properties. */ |
911 | struct dynamic_prop_list *dyn_prop_list; | |
2fdde8f8 | 912 | }; |
c906108c | 913 | |
2b4424c3 TT |
914 | /* * Number of bits allocated for alignment. */ |
915 | ||
916 | #define TYPE_ALIGN_BITS 8 | |
917 | ||
5e3a2c38 | 918 | /* * A ``struct type'' describes a particular instance of a type, with |
2fdde8f8 | 919 | some particular qualification. */ |
5e3a2c38 | 920 | |
2fdde8f8 DJ |
921 | struct type |
922 | { | |
67607e24 SM |
923 | /* Get the type code of this type. |
924 | ||
925 | Note that the code can be TYPE_CODE_TYPEDEF, so if you want the real | |
926 | type, you need to do `check_typedef (type)->code ()`. */ | |
927 | type_code code () const | |
928 | { | |
929 | return this->main_type->code; | |
930 | } | |
931 | ||
932 | /* Set the type code of this type. */ | |
933 | void set_code (type_code code) | |
934 | { | |
935 | this->main_type->code = code; | |
936 | } | |
937 | ||
d0e39ea2 SM |
938 | /* Get the name of this type. */ |
939 | const char *name () const | |
940 | { | |
941 | return this->main_type->name; | |
942 | } | |
943 | ||
944 | /* Set the name of this type. */ | |
945 | void set_name (const char *name) | |
946 | { | |
947 | this->main_type->name = name; | |
948 | } | |
949 | ||
df86565b SM |
950 | /* Note that if thistype is a TYPEDEF type, you have to call check_typedef. |
951 | But check_typedef does set the TYPE_LENGTH of the TYPEDEF type, | |
952 | so you only have to call check_typedef once. Since allocate_value | |
953 | calls check_typedef, VALUE_TYPE (X)->length () is safe. */ | |
b6cdbc9a SM |
954 | ULONGEST length () const |
955 | { | |
956 | return this->m_length; | |
957 | } | |
958 | ||
959 | void set_length (ULONGEST length) | |
960 | { | |
961 | this->m_length = length; | |
962 | } | |
963 | ||
5e33d5f4 SM |
964 | /* Get the number of fields of this type. */ |
965 | int num_fields () const | |
966 | { | |
967 | return this->main_type->nfields; | |
968 | } | |
969 | ||
970 | /* Set the number of fields of this type. */ | |
971 | void set_num_fields (int num_fields) | |
972 | { | |
973 | this->main_type->nfields = num_fields; | |
974 | } | |
975 | ||
3cabb6b0 | 976 | /* Get the fields array of this type. */ |
80fc5e77 | 977 | struct field *fields () const |
3cabb6b0 SM |
978 | { |
979 | return this->main_type->flds_bnds.fields; | |
980 | } | |
981 | ||
80fc5e77 SM |
982 | /* Get the field at index IDX. */ |
983 | struct field &field (int idx) const | |
984 | { | |
5a8edb75 | 985 | gdb_assert (idx >= 0 && idx < num_fields ()); |
80fc5e77 SM |
986 | return this->fields ()[idx]; |
987 | } | |
988 | ||
3cabb6b0 | 989 | /* Set the fields array of this type. */ |
80fc5e77 | 990 | void set_fields (struct field *fields) |
3cabb6b0 SM |
991 | { |
992 | this->main_type->flds_bnds.fields = fields; | |
993 | } | |
994 | ||
262abc0d SM |
995 | type *index_type () const |
996 | { | |
5d14b6e5 | 997 | return this->field (0).type (); |
262abc0d SM |
998 | } |
999 | ||
8a50fdce SM |
1000 | struct type *target_type () const |
1001 | { | |
1002 | return this->main_type->m_target_type; | |
1003 | } | |
1004 | ||
1005 | void set_target_type (struct type *target_type) | |
1006 | { | |
1007 | this->main_type->m_target_type = target_type; | |
1008 | } | |
1009 | ||
262abc0d SM |
1010 | void set_index_type (type *index_type) |
1011 | { | |
5d14b6e5 | 1012 | this->field (0).set_type (index_type); |
262abc0d SM |
1013 | } |
1014 | ||
314ad88d PA |
1015 | /* Return the instance flags converted to the correct type. */ |
1016 | const type_instance_flags instance_flags () const | |
1017 | { | |
1018 | return (enum type_instance_flag_value) this->m_instance_flags; | |
1019 | } | |
1020 | ||
1021 | /* Set the instance flags. */ | |
1022 | void set_instance_flags (type_instance_flags flags) | |
1023 | { | |
1024 | this->m_instance_flags = flags; | |
1025 | } | |
1026 | ||
c4dfcb36 SM |
1027 | /* Get the bounds bounds of this type. The type must be a range type. */ |
1028 | range_bounds *bounds () const | |
1029 | { | |
cf88be68 SM |
1030 | switch (this->code ()) |
1031 | { | |
1032 | case TYPE_CODE_RANGE: | |
1033 | return this->main_type->flds_bnds.bounds; | |
1034 | ||
1035 | case TYPE_CODE_ARRAY: | |
1036 | case TYPE_CODE_STRING: | |
1037 | return this->index_type ()->bounds (); | |
1038 | ||
1039 | default: | |
1040 | gdb_assert_not_reached | |
1041 | ("type::bounds called on type with invalid code"); | |
1042 | } | |
c4dfcb36 SM |
1043 | } |
1044 | ||
1045 | /* Set the bounds of this type. The type must be a range type. */ | |
1046 | void set_bounds (range_bounds *bounds) | |
1047 | { | |
1048 | gdb_assert (this->code () == TYPE_CODE_RANGE); | |
1049 | ||
1050 | this->main_type->flds_bnds.bounds = bounds; | |
1051 | } | |
1052 | ||
107406b7 SM |
1053 | ULONGEST bit_stride () const |
1054 | { | |
cc9d6997 TT |
1055 | if (this->code () == TYPE_CODE_ARRAY && this->field (0).bitsize != 0) |
1056 | return this->field (0).bitsize; | |
107406b7 SM |
1057 | return this->bounds ()->bit_stride (); |
1058 | } | |
1059 | ||
c6d940a9 SM |
1060 | /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, |
1061 | the type is signed (unless TYPE_NOSIGN is set). */ | |
1062 | ||
653223d3 SM |
1063 | bool is_unsigned () const |
1064 | { | |
1065 | return this->main_type->m_flag_unsigned; | |
1066 | } | |
1067 | ||
1068 | void set_is_unsigned (bool is_unsigned) | |
1069 | { | |
1070 | this->main_type->m_flag_unsigned = is_unsigned; | |
1071 | } | |
1072 | ||
20ce4123 SM |
1073 | /* No sign for this type. In C++, "char", "signed char", and |
1074 | "unsigned char" are distinct types; so we need an extra flag to | |
1075 | indicate the absence of a sign! */ | |
1076 | ||
15152a54 SM |
1077 | bool has_no_signedness () const |
1078 | { | |
1079 | return this->main_type->m_flag_nosign; | |
1080 | } | |
1081 | ||
1082 | void set_has_no_signedness (bool has_no_signedness) | |
1083 | { | |
1084 | this->main_type->m_flag_nosign = has_no_signedness; | |
1085 | } | |
1086 | ||
e46d3488 SM |
1087 | /* This appears in a type's flags word if it is a stub type (e.g., |
1088 | if someone referenced a type that wasn't defined in a source file | |
1089 | via (struct sir_not_appearing_in_this_film *)). */ | |
1090 | ||
b4b73759 SM |
1091 | bool is_stub () const |
1092 | { | |
1093 | return this->main_type->m_flag_stub; | |
1094 | } | |
1095 | ||
1096 | void set_is_stub (bool is_stub) | |
1097 | { | |
1098 | this->main_type->m_flag_stub = is_stub; | |
1099 | } | |
1100 | ||
d2183968 SM |
1101 | /* The target type of this type is a stub type, and this type needs |
1102 | to be updated if it gets un-stubbed in check_typedef. Used for | |
1103 | arrays and ranges, in which TYPE_LENGTH of the array/range gets set | |
1104 | based on the TYPE_LENGTH of the target type. Also, set for | |
1105 | TYPE_CODE_TYPEDEF. */ | |
1106 | ||
8f53807e SM |
1107 | bool target_is_stub () const |
1108 | { | |
1109 | return this->main_type->m_flag_target_stub; | |
1110 | } | |
1111 | ||
1112 | void set_target_is_stub (bool target_is_stub) | |
1113 | { | |
1114 | this->main_type->m_flag_target_stub = target_is_stub; | |
1115 | } | |
1116 | ||
7f9f399b SM |
1117 | /* This is a function type which appears to have a prototype. We |
1118 | need this for function calls in order to tell us if it's necessary | |
1119 | to coerce the args, or to just do the standard conversions. This | |
1120 | is used with a short field. */ | |
1121 | ||
27e69b7a SM |
1122 | bool is_prototyped () const |
1123 | { | |
1124 | return this->main_type->m_flag_prototyped; | |
1125 | } | |
1126 | ||
1127 | void set_is_prototyped (bool is_prototyped) | |
1128 | { | |
1129 | this->main_type->m_flag_prototyped = is_prototyped; | |
1130 | } | |
1131 | ||
a409645d SM |
1132 | /* FIXME drow/2002-06-03: Only used for methods, but applies as well |
1133 | to functions. */ | |
1134 | ||
1d6286ed SM |
1135 | bool has_varargs () const |
1136 | { | |
1137 | return this->main_type->m_flag_varargs; | |
1138 | } | |
1139 | ||
1140 | void set_has_varargs (bool has_varargs) | |
1141 | { | |
1142 | this->main_type->m_flag_varargs = has_varargs; | |
1143 | } | |
1144 | ||
bd63c870 SM |
1145 | /* Identify a vector type. Gcc is handling this by adding an extra |
1146 | attribute to the array type. We slurp that in as a new flag of a | |
1147 | type. This is used only in dwarf2read.c. */ | |
1148 | ||
2062087b SM |
1149 | bool is_vector () const |
1150 | { | |
1151 | return this->main_type->m_flag_vector; | |
1152 | } | |
1153 | ||
1154 | void set_is_vector (bool is_vector) | |
1155 | { | |
1156 | this->main_type->m_flag_vector = is_vector; | |
1157 | } | |
1158 | ||
3f46044c SM |
1159 | /* This debug target supports TYPE_STUB(t). In the unsupported case |
1160 | we have to rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE(). | |
1161 | TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only | |
1162 | guessed the TYPE_STUB(t) value (see dwarfread.c). */ | |
1163 | ||
9baccff6 SM |
1164 | bool stub_is_supported () const |
1165 | { | |
1166 | return this->main_type->m_flag_stub_supported; | |
1167 | } | |
1168 | ||
1169 | void set_stub_is_supported (bool stub_is_supported) | |
1170 | { | |
1171 | this->main_type->m_flag_stub_supported = stub_is_supported; | |
1172 | } | |
1173 | ||
0becda7a | 1174 | /* Used only for TYPE_CODE_FUNC where it specifies the real function |
27710edb | 1175 | address is returned by this function call. The target_type method |
0becda7a SM |
1176 | determines the final returned function type to be presented to |
1177 | user. */ | |
1178 | ||
03cc7249 SM |
1179 | bool is_gnu_ifunc () const |
1180 | { | |
1181 | return this->main_type->m_flag_gnu_ifunc; | |
1182 | } | |
1183 | ||
1184 | void set_is_gnu_ifunc (bool is_gnu_ifunc) | |
1185 | { | |
1186 | this->main_type->m_flag_gnu_ifunc = is_gnu_ifunc; | |
1187 | } | |
1188 | ||
22c4c60c SM |
1189 | /* The debugging formats (especially STABS) do not contain enough |
1190 | information to represent all Ada types---especially those whose | |
1191 | size depends on dynamic quantities. Therefore, the GNAT Ada | |
1192 | compiler includes extra information in the form of additional type | |
1193 | definitions connected by naming conventions. This flag indicates | |
1194 | that the type is an ordinary (unencoded) GDB type that has been | |
1195 | created from the necessary run-time information, and does not need | |
1196 | further interpretation. Optionally marks ordinary, fixed-size GDB | |
1197 | type. */ | |
1198 | ||
9cdd0d12 SM |
1199 | bool is_fixed_instance () const |
1200 | { | |
1201 | return this->main_type->m_flag_fixed_instance; | |
1202 | } | |
1203 | ||
1204 | void set_is_fixed_instance (bool is_fixed_instance) | |
1205 | { | |
1206 | this->main_type->m_flag_fixed_instance = is_fixed_instance; | |
1207 | } | |
1208 | ||
04f5bab2 SM |
1209 | /* A compiler may supply dwarf instrumentation that indicates the desired |
1210 | endian interpretation of the variable differs from the native endian | |
1211 | representation. */ | |
1212 | ||
db558e34 SM |
1213 | bool endianity_is_not_default () const |
1214 | { | |
1215 | return this->main_type->m_flag_endianity_not_default; | |
1216 | } | |
1217 | ||
1218 | void set_endianity_is_not_default (bool endianity_is_not_default) | |
1219 | { | |
1220 | this->main_type->m_flag_endianity_not_default = endianity_is_not_default; | |
1221 | } | |
1222 | ||
aa70e35c SM |
1223 | |
1224 | /* True if this type was declared using the "class" keyword. This is | |
1225 | only valid for C++ structure and enum types. If false, a structure | |
1226 | was declared as a "struct"; if true it was declared "class". For | |
1227 | enum types, this is true when "enum class" or "enum struct" was | |
1228 | used to declare the type. */ | |
1229 | ||
1230 | bool is_declared_class () const | |
1231 | { | |
1232 | return this->main_type->m_flag_declared_class; | |
1233 | } | |
1234 | ||
1235 | void set_is_declared_class (bool is_declared_class) const | |
1236 | { | |
1237 | this->main_type->m_flag_declared_class = is_declared_class; | |
1238 | } | |
1239 | ||
9902b327 SM |
1240 | /* True if this type is a "flag" enum. A flag enum is one where all |
1241 | the values are pairwise disjoint when "and"ed together. This | |
1242 | affects how enum values are printed. */ | |
1243 | ||
1244 | bool is_flag_enum () const | |
1245 | { | |
1246 | return this->main_type->m_flag_flag_enum; | |
1247 | } | |
1248 | ||
1249 | void set_is_flag_enum (bool is_flag_enum) | |
1250 | { | |
1251 | this->main_type->m_flag_flag_enum = is_flag_enum; | |
1252 | } | |
1253 | ||
6c849804 TT |
1254 | /* True if this array type is part of a multi-dimensional array. */ |
1255 | ||
1256 | bool is_multi_dimensional () const | |
1257 | { | |
1258 | return this->main_type->m_multi_dimensional; | |
1259 | } | |
1260 | ||
1261 | void set_is_multi_dimensional (bool value) | |
1262 | { | |
1263 | this->main_type->m_multi_dimensional = value; | |
1264 | } | |
1265 | ||
2a12c336 JB |
1266 | /* * Assuming that THIS is a TYPE_CODE_FIXED_POINT, return a reference |
1267 | to this type's fixed_point_info. */ | |
1268 | ||
1269 | struct fixed_point_type_info &fixed_point_info () const | |
1270 | { | |
1271 | gdb_assert (this->code () == TYPE_CODE_FIXED_POINT); | |
1272 | gdb_assert (this->main_type->type_specific.fixed_point_info != nullptr); | |
1273 | ||
1274 | return *this->main_type->type_specific.fixed_point_info; | |
1275 | } | |
1276 | ||
1277 | /* * Assuming that THIS is a TYPE_CODE_FIXED_POINT, set this type's | |
1278 | fixed_point_info to INFO. */ | |
1279 | ||
1280 | void set_fixed_point_info (struct fixed_point_type_info *info) const | |
1281 | { | |
1282 | gdb_assert (this->code () == TYPE_CODE_FIXED_POINT); | |
1283 | ||
1284 | this->main_type->type_specific.fixed_point_info = info; | |
1285 | } | |
1286 | ||
d19937a7 JB |
1287 | /* * Assuming that THIS is a TYPE_CODE_FIXED_POINT, return its base type. |
1288 | ||
1289 | In other words, this returns the type after having peeled all | |
1290 | intermediate type layers (such as TYPE_CODE_RANGE, for instance). | |
1291 | The TYPE_CODE of the type returned is guaranteed to be | |
1292 | a TYPE_CODE_FIXED_POINT. */ | |
1293 | ||
1294 | struct type *fixed_point_type_base_type (); | |
1295 | ||
e6fcee3a JB |
1296 | /* * Assuming that THIS is a TYPE_CODE_FIXED_POINT, return its scaling |
1297 | factor. */ | |
1298 | ||
1299 | const gdb_mpq &fixed_point_scaling_factor (); | |
1300 | ||
24e99c6c SM |
1301 | /* * Return the dynamic property of the requested KIND from this type's |
1302 | list of dynamic properties. */ | |
1303 | dynamic_prop *dyn_prop (dynamic_prop_node_kind kind) const; | |
1304 | ||
5c54719c SM |
1305 | /* * Given a dynamic property PROP of a given KIND, add this dynamic |
1306 | property to this type. | |
1307 | ||
1308 | This function assumes that this type is objfile-owned. */ | |
1309 | void add_dyn_prop (dynamic_prop_node_kind kind, dynamic_prop prop); | |
1310 | ||
7aa91313 SM |
1311 | /* * Remove dynamic property of kind KIND from this type, if it exists. */ |
1312 | void remove_dyn_prop (dynamic_prop_node_kind kind); | |
1313 | ||
5b7d941b SM |
1314 | /* Return true if this type is owned by an objfile. Return false if it is |
1315 | owned by an architecture. */ | |
1316 | bool is_objfile_owned () const | |
1317 | { | |
1318 | return this->main_type->m_flag_objfile_owned; | |
1319 | } | |
1320 | ||
1321 | /* Set the owner of the type to be OBJFILE. */ | |
1322 | void set_owner (objfile *objfile) | |
1323 | { | |
dd5ca05f SM |
1324 | gdb_assert (objfile != nullptr); |
1325 | ||
5b7d941b SM |
1326 | this->main_type->m_owner.objfile = objfile; |
1327 | this->main_type->m_flag_objfile_owned = true; | |
1328 | } | |
1329 | ||
1330 | /* Set the owner of the type to be ARCH. */ | |
1331 | void set_owner (gdbarch *arch) | |
1332 | { | |
dd5ca05f SM |
1333 | gdb_assert (arch != nullptr); |
1334 | ||
5b7d941b SM |
1335 | this->main_type->m_owner.gdbarch = arch; |
1336 | this->main_type->m_flag_objfile_owned = false; | |
1337 | } | |
1338 | ||
1339 | /* Return the objfile owner of this type. | |
1340 | ||
1341 | Return nullptr if this type is not objfile-owned. */ | |
6ac37371 | 1342 | struct objfile *objfile_owner () const |
5b7d941b SM |
1343 | { |
1344 | if (!this->is_objfile_owned ()) | |
1345 | return nullptr; | |
1346 | ||
1347 | return this->main_type->m_owner.objfile; | |
1348 | } | |
1349 | ||
1350 | /* Return the gdbarch owner of this type. | |
1351 | ||
1352 | Return nullptr if this type is not gdbarch-owned. */ | |
6ac37371 | 1353 | gdbarch *arch_owner () const |
5b7d941b SM |
1354 | { |
1355 | if (this->is_objfile_owned ()) | |
1356 | return nullptr; | |
1357 | ||
1358 | return this->main_type->m_owner.gdbarch; | |
1359 | } | |
1360 | ||
8ee511af SM |
1361 | /* Return the type's architecture. For types owned by an |
1362 | architecture, that architecture is returned. For types owned by an | |
1363 | objfile, that objfile's architecture is returned. | |
1364 | ||
1365 | The return value is always non-nullptr. */ | |
1366 | gdbarch *arch () const; | |
1367 | ||
20a5fcbd TT |
1368 | /* * Return true if this is an integer type whose logical (bit) size |
1369 | differs from its storage size; false otherwise. Always return | |
1370 | false for non-integer (i.e., non-TYPE_SPECIFIC_INT) types. */ | |
1371 | bool bit_size_differs_p () const | |
1372 | { | |
1373 | return (main_type->type_specific_field == TYPE_SPECIFIC_INT | |
b6cdbc9a | 1374 | && main_type->type_specific.int_stuff.bit_size != 8 * length ()); |
20a5fcbd TT |
1375 | } |
1376 | ||
1377 | /* * Return the logical (bit) size for this integer type. Only | |
1378 | valid for integer (TYPE_SPECIFIC_INT) types. */ | |
1379 | unsigned short bit_size () const | |
1380 | { | |
1381 | gdb_assert (main_type->type_specific_field == TYPE_SPECIFIC_INT); | |
1382 | return main_type->type_specific.int_stuff.bit_size; | |
1383 | } | |
1384 | ||
1385 | /* * Return the bit offset for this integer type. Only valid for | |
1386 | integer (TYPE_SPECIFIC_INT) types. */ | |
1387 | unsigned short bit_offset () const | |
1388 | { | |
1389 | gdb_assert (main_type->type_specific_field == TYPE_SPECIFIC_INT); | |
1390 | return main_type->type_specific.int_stuff.bit_offset; | |
1391 | } | |
1392 | ||
809f3be1 TT |
1393 | /* Return true if this is a pointer or reference type. */ |
1394 | bool is_pointer_or_reference () const | |
1395 | { | |
1396 | return this->code () == TYPE_CODE_PTR || TYPE_IS_REFERENCE (this); | |
1397 | } | |
1398 | ||
5e3a2c38 | 1399 | /* * Type that is a pointer to this type. |
2fdde8f8 DJ |
1400 | NULL if no such pointer-to type is known yet. |
1401 | The debugger may add the address of such a type | |
1402 | if it has to construct one later. */ | |
c906108c | 1403 | |
2fdde8f8 | 1404 | struct type *pointer_type; |
c906108c | 1405 | |
5e3a2c38 | 1406 | /* * C++: also need a reference type. */ |
c906108c | 1407 | |
2fdde8f8 | 1408 | struct type *reference_type; |
c906108c | 1409 | |
f9aeb8d4 AV |
1410 | /* * A C++ rvalue reference type added in C++11. */ |
1411 | ||
1412 | struct type *rvalue_reference_type; | |
1413 | ||
5e3a2c38 SS |
1414 | /* * Variant chain. This points to a type that differs from this |
1415 | one only in qualifiers and length. Currently, the possible | |
1416 | qualifiers are const, volatile, code-space, data-space, and | |
1417 | address class. The length may differ only when one of the | |
1418 | address class flags are set. The variants are linked in a | |
1419 | circular ring and share MAIN_TYPE. */ | |
1420 | ||
2fdde8f8 | 1421 | struct type *chain; |
c906108c | 1422 | |
2b4424c3 TT |
1423 | /* * The alignment for this type. Zero means that the alignment was |
1424 | not specified in the debug info. Note that this is stored in a | |
1425 | funny way: as the log base 2 (plus 1) of the alignment; so a | |
1426 | value of 1 means the alignment is 1, and a value of 9 means the | |
1427 | alignment is 256. */ | |
1428 | ||
1429 | unsigned align_log2 : TYPE_ALIGN_BITS; | |
1430 | ||
5e3a2c38 | 1431 | /* * Flags specific to this instance of the type, indicating where |
92163a10 JK |
1432 | on the ring we are. |
1433 | ||
5e3a2c38 SS |
1434 | For TYPE_CODE_TYPEDEF the flags of the typedef type should be |
1435 | binary or-ed with the target type, with a special case for | |
1436 | address class and space class. For example if this typedef does | |
1437 | not specify any new qualifiers, TYPE_INSTANCE_FLAGS is 0 and the | |
1438 | instance flags are completely inherited from the target type. No | |
1439 | qualifiers can be cleared by the typedef. See also | |
1440 | check_typedef. */ | |
314ad88d | 1441 | unsigned m_instance_flags : 9; |
701c159d | 1442 | |
2e056931 SM |
1443 | /* * Length of storage for a value of this type. The value is the |
1444 | expression in host bytes of what sizeof(type) would return. This | |
1445 | size includes padding. For example, an i386 extended-precision | |
1446 | floating point value really only occupies ten bytes, but most | |
1447 | ABI's declare its size to be 12 bytes, to preserve alignment. | |
1448 | A `struct type' representing such a floating-point type would | |
1449 | have a `length' value of 12, even though the last two bytes are | |
1450 | unused. | |
1451 | ||
1452 | Since this field is expressed in host bytes, its value is appropriate | |
1453 | to pass to memcpy and such (it is assumed that GDB itself always runs | |
1454 | on an 8-bits addressable architecture). However, when using it for | |
1455 | target address arithmetic (e.g. adding it to a target address), the | |
1456 | type_length_units function should be used in order to get the length | |
1457 | expressed in target addressable memory units. */ | |
1458 | ||
b6cdbc9a | 1459 | ULONGEST m_length; |
ab5d3da6 | 1460 | |
5e3a2c38 SS |
1461 | /* * Core type, shared by a group of qualified types. */ |
1462 | ||
2fdde8f8 DJ |
1463 | struct main_type *main_type; |
1464 | }; | |
c906108c | 1465 | |
52059ffd TT |
1466 | struct fn_fieldlist |
1467 | { | |
1468 | ||
1469 | /* * The overloaded name. | |
1470 | This is generally allocated in the objfile's obstack. | |
1471 | However stabsread.c sometimes uses malloc. */ | |
1472 | ||
1473 | const char *name; | |
1474 | ||
1475 | /* * The number of methods with this name. */ | |
1476 | ||
1477 | int length; | |
1478 | ||
1479 | /* * The list of methods. */ | |
1480 | ||
1481 | struct fn_field *fn_fields; | |
1482 | }; | |
1483 | ||
1484 | ||
1485 | ||
1486 | struct fn_field | |
1487 | { | |
1488 | /* * If is_stub is clear, this is the mangled name which we can look | |
1489 | up to find the address of the method (FIXME: it would be cleaner | |
1490 | to have a pointer to the struct symbol here instead). | |
1491 | ||
1492 | If is_stub is set, this is the portion of the mangled name which | |
1493 | specifies the arguments. For example, "ii", if there are two int | |
1494 | arguments, or "" if there are no arguments. See gdb_mangle_name | |
1495 | for the conversion from this format to the one used if is_stub is | |
1496 | clear. */ | |
1497 | ||
1498 | const char *physname; | |
1499 | ||
1500 | /* * The function type for the method. | |
1501 | ||
1502 | (This comment used to say "The return value of the method", but | |
1503 | that's wrong. The function type is expected here, i.e. something | |
1504 | with TYPE_CODE_METHOD, and *not* the return-value type). */ | |
1505 | ||
1506 | struct type *type; | |
1507 | ||
1508 | /* * For virtual functions. First baseclass that defines this | |
1509 | virtual function. */ | |
1510 | ||
1511 | struct type *fcontext; | |
1512 | ||
1513 | /* Attributes. */ | |
1514 | ||
1515 | unsigned int is_const:1; | |
1516 | unsigned int is_volatile:1; | |
1517 | unsigned int is_private:1; | |
1518 | unsigned int is_protected:1; | |
52059ffd TT |
1519 | unsigned int is_artificial:1; |
1520 | ||
1521 | /* * A stub method only has some fields valid (but they are enough | |
1522 | to reconstruct the rest of the fields). */ | |
1523 | ||
1524 | unsigned int is_stub:1; | |
1525 | ||
1526 | /* * True if this function is a constructor, false otherwise. */ | |
1527 | ||
1528 | unsigned int is_constructor : 1; | |
1529 | ||
e35000a7 TBA |
1530 | /* * True if this function is deleted, false otherwise. */ |
1531 | ||
1532 | unsigned int is_deleted : 1; | |
1533 | ||
1534 | /* * DW_AT_defaulted attribute for this function. The value is one | |
1535 | of the DW_DEFAULTED constants. */ | |
1536 | ||
1537 | ENUM_BITFIELD (dwarf_defaulted_attribute) defaulted : 2; | |
1538 | ||
52059ffd TT |
1539 | /* * Unused. */ |
1540 | ||
e35000a7 | 1541 | unsigned int dummy:6; |
52059ffd TT |
1542 | |
1543 | /* * Index into that baseclass's virtual function table, minus 2; | |
1544 | else if static: VOFFSET_STATIC; else: 0. */ | |
1545 | ||
1546 | unsigned int voffset:16; | |
1547 | ||
1548 | #define VOFFSET_STATIC 1 | |
1549 | ||
1550 | }; | |
1551 | ||
883fd55a | 1552 | struct decl_field |
52059ffd TT |
1553 | { |
1554 | /* * Unqualified name to be prefixed by owning class qualified | |
1555 | name. */ | |
1556 | ||
1557 | const char *name; | |
1558 | ||
1559 | /* * Type this typedef named NAME represents. */ | |
1560 | ||
1561 | struct type *type; | |
c191a687 KS |
1562 | |
1563 | /* * True if this field was declared protected, false otherwise. */ | |
1564 | unsigned int is_protected : 1; | |
1565 | ||
1566 | /* * True if this field was declared private, false otherwise. */ | |
1567 | unsigned int is_private : 1; | |
52059ffd TT |
1568 | }; |
1569 | ||
5e3a2c38 SS |
1570 | /* * C++ language-specific information for TYPE_CODE_STRUCT and |
1571 | TYPE_CODE_UNION nodes. */ | |
c906108c SS |
1572 | |
1573 | struct cplus_struct_type | |
c5aa993b | 1574 | { |
5e3a2c38 SS |
1575 | /* * Number of base classes this type derives from. The |
1576 | baseclasses are stored in the first N_BASECLASSES fields | |
5e7cf078 DE |
1577 | (i.e. the `fields' field of the struct type). The only fields |
1578 | of struct field that are used are: type, name, loc.bitpos. */ | |
c906108c | 1579 | |
c5aa993b | 1580 | short n_baseclasses; |
c906108c | 1581 | |
ae6ae975 DE |
1582 | /* * Field number of the virtual function table pointer in VPTR_BASETYPE. |
1583 | All access to this field must be through TYPE_VPTR_FIELDNO as one | |
1584 | thing it does is check whether the field has been initialized. | |
1585 | Initially TYPE_RAW_CPLUS_SPECIFIC has the value of cplus_struct_default, | |
1586 | which for portability reasons doesn't initialize this field. | |
1587 | TYPE_VPTR_FIELDNO returns -1 for this case. | |
1588 | ||
1589 | If -1, we were unable to find the virtual function table pointer in | |
1590 | initial symbol reading, and get_vptr_fieldno should be called to find | |
1591 | it if possible. get_vptr_fieldno will update this field if possible. | |
1592 | Otherwise the value is left at -1. | |
1593 | ||
1594 | Unused if this type does not have virtual functions. */ | |
1595 | ||
1596 | short vptr_fieldno; | |
1597 | ||
5e3a2c38 SS |
1598 | /* * Number of methods with unique names. All overloaded methods |
1599 | with the same name count only once. */ | |
c906108c | 1600 | |
c5aa993b | 1601 | short nfn_fields; |
c906108c | 1602 | |
5e3a2c38 SS |
1603 | /* * Number of template arguments. */ |
1604 | ||
34eaf542 TT |
1605 | unsigned short n_template_arguments; |
1606 | ||
5e3a2c38 | 1607 | /* * One if this struct is a dynamic class, as defined by the |
48ea67a7 TT |
1608 | Itanium C++ ABI: if it requires a virtual table pointer, |
1609 | because it or any of its base classes have one or more virtual | |
1610 | member functions or virtual base classes. Minus one if not | |
1611 | dynamic. Zero if not yet computed. */ | |
5e3a2c38 | 1612 | |
48ea67a7 | 1613 | int is_dynamic : 2; |
c5aa993b | 1614 | |
e35000a7 TBA |
1615 | /* * The calling convention for this type, fetched from the |
1616 | DW_AT_calling_convention attribute. The value is one of the | |
1617 | DW_CC constants. */ | |
1618 | ||
1619 | ENUM_BITFIELD (dwarf_calling_convention) calling_convention : 8; | |
1620 | ||
ae6ae975 DE |
1621 | /* * The base class which defined the virtual function table pointer. */ |
1622 | ||
1623 | struct type *vptr_basetype; | |
1624 | ||
5e3a2c38 | 1625 | /* * For derived classes, the number of base classes is given by |
3e43a32a MS |
1626 | n_baseclasses and virtual_field_bits is a bit vector containing |
1627 | one bit per base class. If the base class is virtual, the | |
1628 | corresponding bit will be set. | |
c5aa993b | 1629 | I.E, given: |
c906108c | 1630 | |
c5aa993b JM |
1631 | class A{}; |
1632 | class B{}; | |
1633 | class C : public B, public virtual A {}; | |
c906108c | 1634 | |
c5aa993b | 1635 | B is a baseclass of C; A is a virtual baseclass for C. |
0963b4bd | 1636 | This is a C++ 2.0 language feature. */ |
c906108c | 1637 | |
c5aa993b | 1638 | B_TYPE *virtual_field_bits; |
c906108c | 1639 | |
5e3a2c38 SS |
1640 | /* * For classes with private fields, the number of fields is |
1641 | given by nfields and private_field_bits is a bit vector | |
1642 | containing one bit per field. | |
1643 | ||
0963b4bd | 1644 | If the field is private, the corresponding bit will be set. */ |
c906108c | 1645 | |
c5aa993b | 1646 | B_TYPE *private_field_bits; |
c906108c | 1647 | |
5e3a2c38 SS |
1648 | /* * For classes with protected fields, the number of fields is |
1649 | given by nfields and protected_field_bits is a bit vector | |
1650 | containing one bit per field. | |
1651 | ||
0963b4bd | 1652 | If the field is private, the corresponding bit will be set. */ |
c906108c | 1653 | |
c5aa993b | 1654 | B_TYPE *protected_field_bits; |
c906108c | 1655 | |
5e3a2c38 SS |
1656 | /* * For classes with fields to be ignored, either this is |
1657 | optimized out or this field has length 0. */ | |
c906108c | 1658 | |
c5aa993b | 1659 | B_TYPE *ignore_field_bits; |
c906108c | 1660 | |
5e3a2c38 SS |
1661 | /* * For classes, structures, and unions, a description of each |
1662 | field, which consists of an overloaded name, followed by the | |
1663 | types of arguments that the method expects, and then the name | |
1664 | after it has been renamed to make it distinct. | |
c906108c | 1665 | |
0963b4bd | 1666 | fn_fieldlists points to an array of nfn_fields of these. */ |
c906108c | 1667 | |
52059ffd | 1668 | struct fn_fieldlist *fn_fieldlists; |
c906108c | 1669 | |
5e3a2c38 SS |
1670 | /* * typedefs defined inside this class. typedef_field points to |
1671 | an array of typedef_field_count elements. */ | |
1672 | ||
883fd55a | 1673 | struct decl_field *typedef_field; |
5e3a2c38 | 1674 | |
98751a41 | 1675 | unsigned typedef_field_count; |
34eaf542 | 1676 | |
883fd55a KS |
1677 | /* * The nested types defined by this type. nested_types points to |
1678 | an array of nested_types_count elements. */ | |
1679 | ||
1680 | struct decl_field *nested_types; | |
1681 | ||
1682 | unsigned nested_types_count; | |
1683 | ||
5e3a2c38 | 1684 | /* * The template arguments. This is an array with |
34eaf542 TT |
1685 | N_TEMPLATE_ARGUMENTS elements. This is NULL for non-template |
1686 | classes. */ | |
5e3a2c38 | 1687 | |
34eaf542 | 1688 | struct symbol **template_arguments; |
c5aa993b | 1689 | }; |
c906108c | 1690 | |
5e3a2c38 SS |
1691 | /* * Struct used to store conversion rankings. */ |
1692 | ||
6403aeea SW |
1693 | struct rank |
1694 | { | |
a9d5ef47 SW |
1695 | short rank; |
1696 | ||
5e3a2c38 SS |
1697 | /* * When two conversions are of the same type and therefore have |
1698 | the same rank, subrank is used to differentiate the two. | |
1699 | ||
1700 | Eg: Two derived-class-pointer to base-class-pointer conversions | |
1701 | would both have base pointer conversion rank, but the | |
1702 | conversion with the shorter distance to the ancestor is | |
1703 | preferable. 'subrank' would be used to reflect that. */ | |
1704 | ||
a9d5ef47 | 1705 | short subrank; |
6403aeea SW |
1706 | }; |
1707 | ||
82ceee50 | 1708 | /* * Used for ranking a function for overload resolution. */ |
5e3a2c38 | 1709 | |
82ceee50 | 1710 | typedef std::vector<rank> badness_vector; |
c906108c | 1711 | |
5e3a2c38 SS |
1712 | /* * GNAT Ada-specific information for various Ada types. */ |
1713 | ||
b4ba55a1 JB |
1714 | struct gnat_aux_type |
1715 | { | |
5e3a2c38 | 1716 | /* * Parallel type used to encode information about dynamic types |
b4ba55a1 JB |
1717 | used in Ada (such as variant records, variable-size array, |
1718 | etc). */ | |
1719 | struct type* descriptive_type; | |
1720 | }; | |
1721 | ||
09e2d7c7 | 1722 | /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */ |
5e3a2c38 | 1723 | |
b6cdc2c1 JK |
1724 | struct func_type |
1725 | { | |
5e3a2c38 SS |
1726 | /* * The calling convention for targets supporting multiple ABIs. |
1727 | Right now this is only fetched from the Dwarf-2 | |
743649fd | 1728 | DW_AT_calling_convention attribute. The value is one of the |
d0922fcf | 1729 | DW_CC constants. */ |
5e3a2c38 | 1730 | |
d0922fcf | 1731 | ENUM_BITFIELD (dwarf_calling_convention) calling_convention : 8; |
743649fd MW |
1732 | |
1733 | /* * Whether this function normally returns to its caller. It is | |
1734 | set from the DW_AT_noreturn attribute if set on the | |
1735 | DW_TAG_subprogram. */ | |
1736 | ||
1737 | unsigned int is_noreturn : 1; | |
bb984ff1 | 1738 | |
216f72a1 JK |
1739 | /* * Only those DW_TAG_call_site's in this function that have |
1740 | DW_AT_call_tail_call set are linked in this list. Function | |
5e3a2c38 | 1741 | without its tail call list complete |
216f72a1 JK |
1742 | (DW_AT_call_all_tail_calls or its superset |
1743 | DW_AT_call_all_calls) has TAIL_CALL_LIST NULL, even if some | |
1744 | DW_TAG_call_site's exist in such function. */ | |
5e3a2c38 | 1745 | |
bb984ff1 | 1746 | struct call_site *tail_call_list; |
09e2d7c7 DE |
1747 | |
1748 | /* * For method types (TYPE_CODE_METHOD), the aggregate type that | |
1749 | contains the method. */ | |
1750 | ||
1751 | struct type *self_type; | |
b6cdc2c1 JK |
1752 | }; |
1753 | ||
24c5c679 JK |
1754 | /* struct call_site_parameter can be referenced in callees by several ways. */ |
1755 | ||
1756 | enum call_site_parameter_kind | |
1757 | { | |
5e3a2c38 | 1758 | /* * Use field call_site_parameter.u.dwarf_reg. */ |
24c5c679 JK |
1759 | CALL_SITE_PARAMETER_DWARF_REG, |
1760 | ||
5e3a2c38 | 1761 | /* * Use field call_site_parameter.u.fb_offset. */ |
1788b2d3 JK |
1762 | CALL_SITE_PARAMETER_FB_OFFSET, |
1763 | ||
5e3a2c38 | 1764 | /* * Use field call_site_parameter.u.param_offset. */ |
1788b2d3 | 1765 | CALL_SITE_PARAMETER_PARAM_OFFSET |
24c5c679 JK |
1766 | }; |
1767 | ||
52059ffd TT |
1768 | struct call_site_target |
1769 | { | |
7eb21cc7 TT |
1770 | /* The kind of location held by this call site target. */ |
1771 | enum kind | |
1772 | { | |
1773 | /* An address. */ | |
1774 | PHYSADDR, | |
1775 | /* A name. */ | |
1776 | PHYSNAME, | |
1777 | /* A DWARF block. */ | |
1778 | DWARF_BLOCK, | |
48ac197b TT |
1779 | /* An array of addresses. */ |
1780 | ADDRESSES, | |
7eb21cc7 TT |
1781 | }; |
1782 | ||
cd3f655c SM |
1783 | void set_loc_physaddr (CORE_ADDR physaddr) |
1784 | { | |
7eb21cc7 | 1785 | m_loc_kind = PHYSADDR; |
cd3f655c SM |
1786 | m_loc.physaddr = physaddr; |
1787 | } | |
1788 | ||
cd3f655c SM |
1789 | void set_loc_physname (const char *physname) |
1790 | { | |
7eb21cc7 | 1791 | m_loc_kind = PHYSNAME; |
cd3f655c SM |
1792 | m_loc.physname = physname; |
1793 | } | |
1794 | ||
cd3f655c SM |
1795 | void set_loc_dwarf_block (dwarf2_locexpr_baton *dwarf_block) |
1796 | { | |
7eb21cc7 | 1797 | m_loc_kind = DWARF_BLOCK; |
cd3f655c SM |
1798 | m_loc.dwarf_block = dwarf_block; |
1799 | } | |
1800 | ||
48ac197b TT |
1801 | void set_loc_array (unsigned length, const CORE_ADDR *data) |
1802 | { | |
1803 | m_loc_kind = ADDRESSES; | |
1804 | m_loc.addresses.length = length; | |
1805 | m_loc.addresses.values = data; | |
1806 | } | |
1807 | ||
a0e0ca70 | 1808 | /* Callback type for iterate_over_addresses. */ |
797662d7 | 1809 | |
a0e0ca70 TT |
1810 | using iterate_ftype = gdb::function_view<void (CORE_ADDR)>; |
1811 | ||
1812 | /* Call CALLBACK for each DW_TAG_call_site's DW_AT_call_target | |
1813 | address. CALLER_FRAME (for registers) can be NULL if it is not | |
1814 | known. This function always may throw NO_ENTRY_VALUE_ERROR. */ | |
1815 | ||
1816 | void iterate_over_addresses (struct gdbarch *call_site_gdbarch, | |
1817 | const struct call_site *call_site, | |
bd2b40ac | 1818 | frame_info_ptr caller_frame, |
a0e0ca70 | 1819 | iterate_ftype callback) const; |
797662d7 TT |
1820 | |
1821 | private: | |
1822 | ||
7eb21cc7 TT |
1823 | union |
1824 | { | |
1825 | /* Address. */ | |
1826 | CORE_ADDR physaddr; | |
1827 | /* Mangled name. */ | |
1828 | const char *physname; | |
1829 | /* DWARF block. */ | |
1830 | struct dwarf2_locexpr_baton *dwarf_block; | |
48ac197b TT |
1831 | /* Array of addresses. */ |
1832 | struct | |
1833 | { | |
1834 | unsigned length; | |
1835 | const CORE_ADDR *values; | |
1836 | } addresses; | |
7eb21cc7 | 1837 | } m_loc; |
52059ffd TT |
1838 | |
1839 | /* * Discriminant for union field_location. */ | |
7eb21cc7 | 1840 | enum kind m_loc_kind; |
52059ffd TT |
1841 | }; |
1842 | ||
1843 | union call_site_parameter_u | |
1844 | { | |
1845 | /* * DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX | |
1846 | as DWARF register number, for register passed | |
1847 | parameters. */ | |
1848 | ||
1849 | int dwarf_reg; | |
1850 | ||
1851 | /* * Offset from the callee's frame base, for stack passed | |
1852 | parameters. This equals offset from the caller's stack | |
1853 | pointer. */ | |
1854 | ||
1855 | CORE_ADDR fb_offset; | |
1856 | ||
1857 | /* * Offset relative to the start of this PER_CU to | |
1858 | DW_TAG_formal_parameter which is referenced by both | |
1859 | caller and the callee. */ | |
1860 | ||
9c541725 | 1861 | cu_offset param_cu_off; |
52059ffd TT |
1862 | }; |
1863 | ||
1864 | struct call_site_parameter | |
1865 | { | |
1866 | ENUM_BITFIELD (call_site_parameter_kind) kind : 2; | |
1867 | ||
1868 | union call_site_parameter_u u; | |
1869 | ||
216f72a1 | 1870 | /* * DW_TAG_formal_parameter's DW_AT_call_value. It is never NULL. */ |
52059ffd TT |
1871 | |
1872 | const gdb_byte *value; | |
1873 | size_t value_size; | |
1874 | ||
216f72a1 | 1875 | /* * DW_TAG_formal_parameter's DW_AT_call_data_value. |
52059ffd TT |
1876 | It may be NULL if not provided by DWARF. */ |
1877 | ||
1878 | const gdb_byte *data_value; | |
1879 | size_t data_value_size; | |
1880 | }; | |
1881 | ||
5e3a2c38 | 1882 | /* * A place where a function gets called from, represented by |
216f72a1 | 1883 | DW_TAG_call_site. It can be looked up from symtab->call_site_htab. */ |
8e3b41a9 JK |
1884 | |
1885 | struct call_site | |
1886 | { | |
b84aaada SM |
1887 | call_site (CORE_ADDR pc, dwarf2_per_cu_data *per_cu, |
1888 | dwarf2_per_objfile *per_objfile) | |
b0b8879e | 1889 | : per_cu (per_cu), per_objfile (per_objfile), m_unrelocated_pc (pc) |
b84aaada SM |
1890 | {} |
1891 | ||
1892 | static int | |
1893 | eq (const call_site *a, const call_site *b) | |
1894 | { | |
ba008496 | 1895 | return a->m_unrelocated_pc == b->m_unrelocated_pc; |
b84aaada SM |
1896 | } |
1897 | ||
1898 | static hashval_t | |
1899 | hash (const call_site *a) | |
1900 | { | |
ba008496 | 1901 | return a->m_unrelocated_pc; |
b84aaada SM |
1902 | } |
1903 | ||
1904 | static int | |
1905 | eq (const void *a, const void *b) | |
1906 | { | |
1907 | return eq ((const call_site *)a, (const call_site *)b); | |
1908 | } | |
1909 | ||
1910 | static hashval_t | |
1911 | hash (const void *a) | |
1912 | { | |
1913 | return hash ((const call_site *)a); | |
1914 | } | |
1915 | ||
1916 | /* Return the address of the first instruction after this call. */ | |
1917 | ||
1918 | CORE_ADDR pc () const; | |
8e3b41a9 | 1919 | |
a0e0ca70 TT |
1920 | /* Call CALLBACK for each target address. CALLER_FRAME (for |
1921 | registers) can be NULL if it is not known. This function may | |
1922 | throw NO_ENTRY_VALUE_ERROR. */ | |
797662d7 | 1923 | |
a0e0ca70 | 1924 | void iterate_over_addresses (struct gdbarch *call_site_gdbarch, |
bd2b40ac | 1925 | frame_info_ptr caller_frame, |
a0e0ca70 TT |
1926 | call_site_target::iterate_ftype callback) |
1927 | const | |
797662d7 | 1928 | { |
a0e0ca70 TT |
1929 | return target.iterate_over_addresses (call_site_gdbarch, this, |
1930 | caller_frame, callback); | |
797662d7 TT |
1931 | } |
1932 | ||
5e3a2c38 SS |
1933 | /* * List successor with head in FUNC_TYPE.TAIL_CALL_LIST. */ |
1934 | ||
b84aaada | 1935 | struct call_site *tail_call_next = nullptr; |
bb984ff1 | 1936 | |
216f72a1 | 1937 | /* * Describe DW_AT_call_target. Missing attribute uses |
8e3b41a9 | 1938 | FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */ |
5e3a2c38 | 1939 | |
b84aaada | 1940 | struct call_site_target target {}; |
8e3b41a9 | 1941 | |
5e3a2c38 SS |
1942 | /* * Size of the PARAMETER array. */ |
1943 | ||
b84aaada | 1944 | unsigned parameter_count = 0; |
8e3b41a9 | 1945 | |
5e3a2c38 SS |
1946 | /* * CU of the function where the call is located. It gets used |
1947 | for DWARF blocks execution in the parameter array below. */ | |
1948 | ||
b84aaada | 1949 | dwarf2_per_cu_data *const per_cu = nullptr; |
9f47c707 SM |
1950 | |
1951 | /* objfile of the function where the call is located. */ | |
1952 | ||
b84aaada | 1953 | dwarf2_per_objfile *const per_objfile = nullptr; |
8e3b41a9 | 1954 | |
b84aaada | 1955 | private: |
b0b8879e SM |
1956 | /* Unrelocated address of the first instruction after this call. */ |
1957 | const CORE_ADDR m_unrelocated_pc; | |
b84aaada SM |
1958 | |
1959 | public: | |
216f72a1 | 1960 | /* * Describe DW_TAG_call_site's DW_TAG_formal_parameter. */ |
5e3a2c38 | 1961 | |
b84aaada | 1962 | struct call_site_parameter parameter[]; |
8e3b41a9 JK |
1963 | }; |
1964 | ||
09584414 JB |
1965 | /* The type-specific info for TYPE_CODE_FIXED_POINT types. */ |
1966 | ||
1967 | struct fixed_point_type_info | |
1968 | { | |
1969 | /* The fixed point type's scaling factor. */ | |
1970 | gdb_mpq scaling_factor; | |
1971 | }; | |
1972 | ||
5e3a2c38 SS |
1973 | /* * The default value of TYPE_CPLUS_SPECIFIC(T) points to this shared |
1974 | static structure. */ | |
c906108c SS |
1975 | |
1976 | extern const struct cplus_struct_type cplus_struct_default; | |
1977 | ||
a14ed312 | 1978 | extern void allocate_cplus_struct_type (struct type *); |
c906108c SS |
1979 | |
1980 | #define INIT_CPLUS_SPECIFIC(type) \ | |
b4ba55a1 | 1981 | (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CPLUS_STUFF, \ |
3e43a32a MS |
1982 | TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type*) \ |
1983 | &cplus_struct_default) | |
b4ba55a1 | 1984 | |
c906108c | 1985 | #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) |
b4ba55a1 | 1986 | |
c906108c | 1987 | #define HAVE_CPLUS_STRUCT(type) \ |
b4ba55a1 JB |
1988 | (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_CPLUS_STUFF \ |
1989 | && TYPE_RAW_CPLUS_SPECIFIC (type) != &cplus_struct_default) | |
1990 | ||
8ecb59f8 TT |
1991 | #define INIT_NONE_SPECIFIC(type) \ |
1992 | (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_NONE, \ | |
1993 | TYPE_MAIN_TYPE (type)->type_specific = {}) | |
1994 | ||
b4ba55a1 JB |
1995 | extern const struct gnat_aux_type gnat_aux_default; |
1996 | ||
1997 | extern void allocate_gnat_aux_type (struct type *); | |
1998 | ||
1999 | #define INIT_GNAT_SPECIFIC(type) \ | |
2000 | (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_GNAT_STUFF, \ | |
2001 | TYPE_GNAT_SPECIFIC (type) = (struct gnat_aux_type *) &gnat_aux_default) | |
2002 | #define ALLOCATE_GNAT_AUX_TYPE(type) allocate_gnat_aux_type (type) | |
5e3a2c38 | 2003 | /* * A macro that returns non-zero if the type-specific data should be |
b4ba55a1 JB |
2004 | read as "gnat-stuff". */ |
2005 | #define HAVE_GNAT_AUX_INFO(type) \ | |
2006 | (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF) | |
c906108c | 2007 | |
8ecb59f8 TT |
2008 | /* * True if TYPE is known to be an Ada type of some kind. */ |
2009 | #define ADA_TYPE_P(type) \ | |
2010 | (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF \ | |
2011 | || (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_NONE \ | |
22c4c60c | 2012 | && (type)->is_fixed_instance ())) |
8ecb59f8 | 2013 | |
b6cdc2c1 JK |
2014 | #define INIT_FUNC_SPECIFIC(type) \ |
2015 | (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \ | |
224c3ddb SM |
2016 | TYPE_MAIN_TYPE (type)->type_specific.func_stuff = (struct func_type *) \ |
2017 | TYPE_ZALLOC (type, \ | |
2018 | sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff))) | |
b6cdc2c1 | 2019 | |
09584414 JB |
2020 | /* "struct fixed_point_type_info" has a field that has a destructor. |
2021 | See allocate_fixed_point_type_info to understand how this is | |
2022 | handled. */ | |
2023 | #define INIT_FIXED_POINT_SPECIFIC(type) \ | |
2024 | (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FIXED_POINT, \ | |
2a12c336 | 2025 | allocate_fixed_point_type_info (type)) |
09584414 | 2026 | |
2fdde8f8 | 2027 | #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type |
c906108c SS |
2028 | #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type |
2029 | #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type | |
f9aeb8d4 | 2030 | #define TYPE_RVALUE_REFERENCE_TYPE(thistype) (thistype)->rvalue_reference_type |
2fdde8f8 | 2031 | #define TYPE_CHAIN(thistype) (thistype)->chain |
2b4424c3 TT |
2032 | |
2033 | /* * Return the alignment of the type in target addressable memory | |
2034 | units, or 0 if no alignment was specified. */ | |
2035 | #define TYPE_RAW_ALIGN(thistype) type_raw_align (thistype) | |
2036 | ||
2037 | /* * Return the alignment of the type in target addressable memory | |
2038 | units, or 0 if no alignment was specified. */ | |
2039 | extern unsigned type_raw_align (struct type *); | |
2040 | ||
2041 | /* * Return the alignment of the type in target addressable memory | |
2042 | units. Return 0 if the alignment cannot be determined; but note | |
2043 | that this makes an effort to compute the alignment even it it was | |
2044 | not specified in the debug info. */ | |
2045 | extern unsigned type_align (struct type *); | |
2046 | ||
2047 | /* * Set the alignment of the type. The alignment must be a power of | |
2048 | 2. Returns false if the given value does not fit in the available | |
2049 | space in struct type. */ | |
2050 | extern bool set_type_align (struct type *, ULONGEST); | |
2051 | ||
d9823cbb | 2052 | /* Property accessors for the type data location. */ |
3cdcd0ce | 2053 | #define TYPE_DATA_LOCATION(thistype) \ |
24e99c6c | 2054 | ((thistype)->dyn_prop (DYN_PROP_DATA_LOCATION)) |
3cdcd0ce JB |
2055 | #define TYPE_DATA_LOCATION_BATON(thistype) \ |
2056 | TYPE_DATA_LOCATION (thistype)->data.baton | |
2057 | #define TYPE_DATA_LOCATION_ADDR(thistype) \ | |
8c2e4e06 | 2058 | (TYPE_DATA_LOCATION (thistype)->const_val ()) |
3cdcd0ce | 2059 | #define TYPE_DATA_LOCATION_KIND(thistype) \ |
8c2e4e06 | 2060 | (TYPE_DATA_LOCATION (thistype)->kind ()) |
f8e89861 | 2061 | #define TYPE_DYNAMIC_LENGTH(thistype) \ |
24e99c6c | 2062 | ((thistype)->dyn_prop (DYN_PROP_BYTE_SIZE)) |
3cdcd0ce | 2063 | |
3f2f83dd KB |
2064 | /* Property accessors for the type allocated/associated. */ |
2065 | #define TYPE_ALLOCATED_PROP(thistype) \ | |
24e99c6c | 2066 | ((thistype)->dyn_prop (DYN_PROP_ALLOCATED)) |
3f2f83dd | 2067 | #define TYPE_ASSOCIATED_PROP(thistype) \ |
24e99c6c | 2068 | ((thistype)->dyn_prop (DYN_PROP_ASSOCIATED)) |
df7a7bdd | 2069 | #define TYPE_RANK_PROP(thistype) \ |
2070 | ((thistype)->dyn_prop (DYN_PROP_RANK)) | |
3f2f83dd | 2071 | |
c906108c SS |
2072 | /* C++ */ |
2073 | ||
09e2d7c7 DE |
2074 | #define TYPE_SELF_TYPE(thistype) internal_type_self_type (thistype) |
2075 | /* Do not call this, use TYPE_SELF_TYPE. */ | |
2076 | extern struct type *internal_type_self_type (struct type *); | |
2077 | extern void set_type_self_type (struct type *, struct type *); | |
2078 | ||
ae6ae975 DE |
2079 | extern int internal_type_vptr_fieldno (struct type *); |
2080 | extern void set_type_vptr_fieldno (struct type *, int); | |
2081 | extern struct type *internal_type_vptr_basetype (struct type *); | |
2082 | extern void set_type_vptr_basetype (struct type *, struct type *); | |
2083 | #define TYPE_VPTR_FIELDNO(thistype) internal_type_vptr_fieldno (thistype) | |
2084 | #define TYPE_VPTR_BASETYPE(thistype) internal_type_vptr_basetype (thistype) | |
2085 | ||
c906108c | 2086 | #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields |
b4ba55a1 JB |
2087 | #define TYPE_SPECIFIC_FIELD(thistype) \ |
2088 | TYPE_MAIN_TYPE(thistype)->type_specific_field | |
b4ba55a1 JB |
2089 | /* We need this tap-dance with the TYPE_RAW_SPECIFIC because of the case |
2090 | where we're trying to print an Ada array using the C language. | |
2091 | In that case, there is no "cplus_stuff", but the C language assumes | |
2092 | that there is. What we do, in that case, is pretend that there is | |
2093 | an implicit one which is the default cplus stuff. */ | |
2094 | #define TYPE_CPLUS_SPECIFIC(thistype) \ | |
2095 | (!HAVE_CPLUS_STRUCT(thistype) \ | |
2096 | ? (struct cplus_struct_type*)&cplus_struct_default \ | |
2097 | : TYPE_RAW_CPLUS_SPECIFIC(thistype)) | |
2098 | #define TYPE_RAW_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff | |
e35000a7 TBA |
2099 | #define TYPE_CPLUS_CALLING_CONVENTION(thistype) \ |
2100 | TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff->calling_convention | |
2fdde8f8 | 2101 | #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat |
b4ba55a1 JB |
2102 | #define TYPE_GNAT_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.gnat_stuff |
2103 | #define TYPE_DESCRIPTIVE_TYPE(thistype) TYPE_GNAT_SPECIFIC(thistype)->descriptive_type | |
b6cdc2c1 | 2104 | #define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->calling_convention |
743649fd | 2105 | #define TYPE_NO_RETURN(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->is_noreturn |
bb984ff1 | 2106 | #define TYPE_TAIL_CALL_LIST(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->tail_call_list |
940da03e | 2107 | #define TYPE_BASECLASS(thistype,index) ((thistype)->field (index).type ()) |
c906108c | 2108 | #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses |
33d16dd9 | 2109 | #define TYPE_BASECLASS_NAME(thistype,index) (thistype->field (index).name ()) |
b610c045 | 2110 | #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype->field (index).loc_bitpos ()) |
c906108c SS |
2111 | #define BASETYPE_VIA_PUBLIC(thistype, index) \ |
2112 | ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index))) | |
d48cc9dd | 2113 | #define TYPE_CPLUS_DYNAMIC(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_dynamic |
c906108c SS |
2114 | |
2115 | #define BASETYPE_VIA_VIRTUAL(thistype, index) \ | |
2116 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
2117 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))) | |
2118 | ||
01ad7f36 | 2119 | #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial) |
c906108c | 2120 | #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize) |
d6a843b5 | 2121 | |
ceacbf6e SM |
2122 | #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL((thistype)->field (n)) |
2123 | #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE((thistype)->field (n)) | |
2124 | #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE((thistype)->field (n))!=0) | |
c906108c SS |
2125 | |
2126 | #define TYPE_FIELD_PRIVATE_BITS(thistype) \ | |
2127 | TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits | |
2128 | #define TYPE_FIELD_PROTECTED_BITS(thistype) \ | |
2129 | TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits | |
2130 | #define TYPE_FIELD_IGNORE_BITS(thistype) \ | |
2131 | TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits | |
2132 | #define TYPE_FIELD_VIRTUAL_BITS(thistype) \ | |
2133 | TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits | |
2134 | #define SET_TYPE_FIELD_PRIVATE(thistype, n) \ | |
2135 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) | |
2136 | #define SET_TYPE_FIELD_PROTECTED(thistype, n) \ | |
2137 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) | |
2138 | #define SET_TYPE_FIELD_IGNORE(thistype, n) \ | |
2139 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)) | |
2140 | #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ | |
2141 | B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) | |
2142 | #define TYPE_FIELD_PRIVATE(thistype, n) \ | |
2143 | (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ | |
2144 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) | |
2145 | #define TYPE_FIELD_PROTECTED(thistype, n) \ | |
2146 | (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ | |
2147 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) | |
2148 | #define TYPE_FIELD_IGNORE(thistype, n) \ | |
2149 | (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \ | |
2150 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))) | |
2151 | #define TYPE_FIELD_VIRTUAL(thistype, n) \ | |
2152 | (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \ | |
2153 | : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))) | |
2154 | ||
c906108c SS |
2155 | #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists |
2156 | #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] | |
2157 | #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields | |
2158 | #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name | |
2159 | #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length | |
2160 | ||
34eaf542 TT |
2161 | #define TYPE_N_TEMPLATE_ARGUMENTS(thistype) \ |
2162 | TYPE_CPLUS_SPECIFIC (thistype)->n_template_arguments | |
2163 | #define TYPE_TEMPLATE_ARGUMENTS(thistype) \ | |
2164 | TYPE_CPLUS_SPECIFIC (thistype)->template_arguments | |
2165 | #define TYPE_TEMPLATE_ARGUMENT(thistype, n) \ | |
2166 | TYPE_CPLUS_SPECIFIC (thistype)->template_arguments[n] | |
2167 | ||
c906108c SS |
2168 | #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] |
2169 | #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname | |
2170 | #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type | |
80fc5e77 | 2171 | #define TYPE_FN_FIELD_ARGS(thisfn, n) (((thisfn)[n].type)->fields ()) |
c906108c SS |
2172 | #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const) |
2173 | #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile) | |
2174 | #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) | |
2175 | #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) | |
b02dede2 | 2176 | #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial) |
c906108c | 2177 | #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) |
7d27a96d | 2178 | #define TYPE_FN_FIELD_CONSTRUCTOR(thisfn, n) ((thisfn)[n].is_constructor) |
c906108c SS |
2179 | #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) |
2180 | #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) | |
2181 | #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) | |
2182 | #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) | |
e35000a7 TBA |
2183 | #define TYPE_FN_FIELD_DEFAULTED(thisfn, n) ((thisfn)[n].defaulted) |
2184 | #define TYPE_FN_FIELD_DELETED(thisfn, n) ((thisfn)[n].is_deleted) | |
c906108c | 2185 | |
c191a687 | 2186 | /* Accessors for typedefs defined by a class. */ |
98751a41 JK |
2187 | #define TYPE_TYPEDEF_FIELD_ARRAY(thistype) \ |
2188 | TYPE_CPLUS_SPECIFIC (thistype)->typedef_field | |
2189 | #define TYPE_TYPEDEF_FIELD(thistype, n) \ | |
2190 | TYPE_CPLUS_SPECIFIC (thistype)->typedef_field[n] | |
2191 | #define TYPE_TYPEDEF_FIELD_NAME(thistype, n) \ | |
2192 | TYPE_TYPEDEF_FIELD (thistype, n).name | |
2193 | #define TYPE_TYPEDEF_FIELD_TYPE(thistype, n) \ | |
2194 | TYPE_TYPEDEF_FIELD (thistype, n).type | |
2195 | #define TYPE_TYPEDEF_FIELD_COUNT(thistype) \ | |
2196 | TYPE_CPLUS_SPECIFIC (thistype)->typedef_field_count | |
c191a687 KS |
2197 | #define TYPE_TYPEDEF_FIELD_PROTECTED(thistype, n) \ |
2198 | TYPE_TYPEDEF_FIELD (thistype, n).is_protected | |
2199 | #define TYPE_TYPEDEF_FIELD_PRIVATE(thistype, n) \ | |
2200 | TYPE_TYPEDEF_FIELD (thistype, n).is_private | |
98751a41 | 2201 | |
883fd55a KS |
2202 | #define TYPE_NESTED_TYPES_ARRAY(thistype) \ |
2203 | TYPE_CPLUS_SPECIFIC (thistype)->nested_types | |
2204 | #define TYPE_NESTED_TYPES_FIELD(thistype, n) \ | |
2205 | TYPE_CPLUS_SPECIFIC (thistype)->nested_types[n] | |
2206 | #define TYPE_NESTED_TYPES_FIELD_NAME(thistype, n) \ | |
2207 | TYPE_NESTED_TYPES_FIELD (thistype, n).name | |
2208 | #define TYPE_NESTED_TYPES_FIELD_TYPE(thistype, n) \ | |
2209 | TYPE_NESTED_TYPES_FIELD (thistype, n).type | |
2210 | #define TYPE_NESTED_TYPES_COUNT(thistype) \ | |
2211 | TYPE_CPLUS_SPECIFIC (thistype)->nested_types_count | |
2212 | #define TYPE_NESTED_TYPES_FIELD_PROTECTED(thistype, n) \ | |
2213 | TYPE_NESTED_TYPES_FIELD (thistype, n).is_protected | |
2214 | #define TYPE_NESTED_TYPES_FIELD_PRIVATE(thistype, n) \ | |
2215 | TYPE_NESTED_TYPES_FIELD (thistype, n).is_private | |
2216 | ||
4e4666e6 | 2217 | #define TYPE_IS_OPAQUE(thistype) \ |
78134374 SM |
2218 | ((((thistype)->code () == TYPE_CODE_STRUCT) \ |
2219 | || ((thistype)->code () == TYPE_CODE_UNION)) \ | |
1f704f76 | 2220 | && ((thistype)->num_fields () == 0) \ |
4e4666e6 DE |
2221 | && (!HAVE_CPLUS_STRUCT (thistype) \ |
2222 | || TYPE_NFN_FIELDS (thistype) == 0) \ | |
3f46044c | 2223 | && ((thistype)->is_stub () || !(thistype)->stub_is_supported ())) |
c5aa993b | 2224 | |
5e3a2c38 SS |
2225 | /* * A helper macro that returns the name of a type or "unnamed type" |
2226 | if the type has no name. */ | |
2227 | ||
0a07729b | 2228 | #define TYPE_SAFE_NAME(type) \ |
7d93a1e0 | 2229 | (type->name () != nullptr ? type->name () : _("<unnamed type>")) |
0a07729b | 2230 | |
5e3a2c38 SS |
2231 | /* * A helper macro that returns the name of an error type. If the |
2232 | type has a name, it is used; otherwise, a default is used. */ | |
2233 | ||
b00fdb78 | 2234 | #define TYPE_ERROR_NAME(type) \ |
7d93a1e0 | 2235 | (type->name () ? type->name () : _("<error type>")) |
b00fdb78 | 2236 | |
0db7851f UW |
2237 | /* Given TYPE, return its floatformat. */ |
2238 | const struct floatformat *floatformat_from_type (const struct type *type); | |
2239 | ||
000177f0 AC |
2240 | struct builtin_type |
2241 | { | |
46bf5051 UW |
2242 | /* Integral types. */ |
2243 | ||
b021a221 | 2244 | /* Implicit size/sign (based on the architecture's ABI). */ |
cb275538 TT |
2245 | struct type *builtin_void = nullptr; |
2246 | struct type *builtin_char = nullptr; | |
2247 | struct type *builtin_short = nullptr; | |
2248 | struct type *builtin_int = nullptr; | |
2249 | struct type *builtin_long = nullptr; | |
2250 | struct type *builtin_signed_char = nullptr; | |
2251 | struct type *builtin_unsigned_char = nullptr; | |
2252 | struct type *builtin_unsigned_short = nullptr; | |
2253 | struct type *builtin_unsigned_int = nullptr; | |
2254 | struct type *builtin_unsigned_long = nullptr; | |
2255 | struct type *builtin_bfloat16 = nullptr; | |
2256 | struct type *builtin_half = nullptr; | |
2257 | struct type *builtin_float = nullptr; | |
2258 | struct type *builtin_double = nullptr; | |
2259 | struct type *builtin_long_double = nullptr; | |
2260 | struct type *builtin_complex = nullptr; | |
2261 | struct type *builtin_double_complex = nullptr; | |
2262 | struct type *builtin_string = nullptr; | |
2263 | struct type *builtin_bool = nullptr; | |
2264 | struct type *builtin_long_long = nullptr; | |
2265 | struct type *builtin_unsigned_long_long = nullptr; | |
2266 | struct type *builtin_decfloat = nullptr; | |
2267 | struct type *builtin_decdouble = nullptr; | |
2268 | struct type *builtin_declong = nullptr; | |
46bf5051 | 2269 | |
69feb676 UW |
2270 | /* "True" character types. |
2271 | We use these for the '/c' print format, because c_char is just a | |
2272 | one-byte integral type, which languages less laid back than C | |
2273 | will print as ... well, a one-byte integral type. */ | |
cb275538 TT |
2274 | struct type *builtin_true_char = nullptr; |
2275 | struct type *builtin_true_unsigned_char = nullptr; | |
69feb676 | 2276 | |
df4df182 UW |
2277 | /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0" |
2278 | is for when an architecture needs to describe a register that has | |
2279 | no size. */ | |
cb275538 TT |
2280 | struct type *builtin_int0 = nullptr; |
2281 | struct type *builtin_int8 = nullptr; | |
2282 | struct type *builtin_uint8 = nullptr; | |
2283 | struct type *builtin_int16 = nullptr; | |
2284 | struct type *builtin_uint16 = nullptr; | |
2285 | struct type *builtin_int24 = nullptr; | |
2286 | struct type *builtin_uint24 = nullptr; | |
2287 | struct type *builtin_int32 = nullptr; | |
2288 | struct type *builtin_uint32 = nullptr; | |
2289 | struct type *builtin_int64 = nullptr; | |
2290 | struct type *builtin_uint64 = nullptr; | |
2291 | struct type *builtin_int128 = nullptr; | |
2292 | struct type *builtin_uint128 = nullptr; | |
df4df182 | 2293 | |
9a22f0d0 | 2294 | /* Wide character types. */ |
cb275538 TT |
2295 | struct type *builtin_char16 = nullptr; |
2296 | struct type *builtin_char32 = nullptr; | |
2297 | struct type *builtin_wchar = nullptr; | |
46bf5051 UW |
2298 | |
2299 | /* Pointer types. */ | |
000177f0 | 2300 | |
5e3a2c38 | 2301 | /* * `pointer to data' type. Some target platforms use an implicitly |
000177f0 | 2302 | {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */ |
cb275538 | 2303 | struct type *builtin_data_ptr = nullptr; |
000177f0 | 2304 | |
5e3a2c38 | 2305 | /* * `pointer to function (returning void)' type. Harvard |
000177f0 AC |
2306 | architectures mean that ABI function and code pointers are not |
2307 | interconvertible. Similarly, since ANSI, C standards have | |
2308 | explicitly said that pointers to functions and pointers to data | |
2309 | are not interconvertible --- that is, you can't cast a function | |
2310 | pointer to void * and back, and expect to get the same value. | |
2311 | However, all function pointer types are interconvertible, so void | |
2312 | (*) () can server as a generic function pointer. */ | |
5e3a2c38 | 2313 | |
cb275538 | 2314 | struct type *builtin_func_ptr = nullptr; |
78267919 | 2315 | |
5e3a2c38 | 2316 | /* * `function returning pointer to function (returning void)' type. |
0875794a | 2317 | The final void return type is not significant for it. */ |
0875794a | 2318 | |
cb275538 | 2319 | struct type *builtin_func_func = nullptr; |
78267919 UW |
2320 | |
2321 | /* Special-purpose types. */ | |
2322 | ||
5e3a2c38 SS |
2323 | /* * This type is used to represent a GDB internal function. */ |
2324 | ||
cb275538 | 2325 | struct type *internal_fn = nullptr; |
e81e7f5e SC |
2326 | |
2327 | /* * This type is used to represent an xmethod. */ | |
cb275538 | 2328 | struct type *xmethod = nullptr; |
46bf5051 | 2329 | }; |
000177f0 | 2330 | |
5e3a2c38 | 2331 | /* * Return the type table for the specified architecture. */ |
64c50499 | 2332 | |
5e3a2c38 | 2333 | extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch); |
64c50499 | 2334 | |
5e3a2c38 | 2335 | /* * Per-objfile types used by symbol readers. */ |
000177f0 | 2336 | |
46bf5051 UW |
2337 | struct objfile_type |
2338 | { | |
2339 | /* Basic types based on the objfile architecture. */ | |
000177f0 AC |
2340 | struct type *builtin_void; |
2341 | struct type *builtin_char; | |
2342 | struct type *builtin_short; | |
2343 | struct type *builtin_int; | |
2344 | struct type *builtin_long; | |
46bf5051 | 2345 | struct type *builtin_long_long; |
000177f0 AC |
2346 | struct type *builtin_signed_char; |
2347 | struct type *builtin_unsigned_char; | |
2348 | struct type *builtin_unsigned_short; | |
2349 | struct type *builtin_unsigned_int; | |
2350 | struct type *builtin_unsigned_long; | |
46bf5051 | 2351 | struct type *builtin_unsigned_long_long; |
a6d0f249 | 2352 | struct type *builtin_half; |
000177f0 AC |
2353 | struct type *builtin_float; |
2354 | struct type *builtin_double; | |
2355 | struct type *builtin_long_double; | |
46bf5051 | 2356 | |
5e3a2c38 | 2357 | /* * This type is used to represent symbol addresses. */ |
46bf5051 UW |
2358 | struct type *builtin_core_addr; |
2359 | ||
5e3a2c38 SS |
2360 | /* * This type represents a type that was unrecognized in symbol |
2361 | read-in. */ | |
46bf5051 UW |
2362 | struct type *builtin_error; |
2363 | ||
5e3a2c38 | 2364 | /* * Types used for symbols with no debug information. */ |
46bf5051 | 2365 | struct type *nodebug_text_symbol; |
0875794a JK |
2366 | struct type *nodebug_text_gnu_ifunc_symbol; |
2367 | struct type *nodebug_got_plt_symbol; | |
46bf5051 UW |
2368 | struct type *nodebug_data_symbol; |
2369 | struct type *nodebug_unknown_symbol; | |
2370 | struct type *nodebug_tls_symbol; | |
000177f0 | 2371 | }; |
c5aa993b | 2372 | |
5e3a2c38 | 2373 | /* * Return the type table for the specified objfile. */ |
c5aa993b | 2374 | |
5e3a2c38 | 2375 | extern const struct objfile_type *objfile_type (struct objfile *objfile); |
5674de60 | 2376 | |
598f52df | 2377 | /* Explicit floating-point formats. See "floatformat.h". */ |
f9e9243a | 2378 | extern const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN]; |
8da61cc4 DJ |
2379 | extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN]; |
2380 | extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN]; | |
552f1157 | 2381 | extern const struct floatformat *floatformats_ieee_quad[BFD_ENDIAN_UNKNOWN]; |
8da61cc4 DJ |
2382 | extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN]; |
2383 | extern const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN]; | |
2384 | extern const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN]; | |
2385 | extern const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN]; | |
2386 | extern const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN]; | |
8da61cc4 DJ |
2387 | extern const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN]; |
2388 | extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN]; | |
b14d30e1 | 2389 | extern const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN]; |
2a67f09d | 2390 | extern const struct floatformat *floatformats_bfloat16[BFD_ENDIAN_UNKNOWN]; |
fde6c819 | 2391 | |
2fabdf33 | 2392 | /* Allocate space for storing data associated with a particular |
5e3a2c38 SS |
2393 | type. We ensure that the space is allocated using the same |
2394 | mechanism that was used to allocate the space for the type | |
2395 | structure itself. I.e. if the type is on an objfile's | |
2396 | objfile_obstack, then the space for data associated with that type | |
2fabdf33 AB |
2397 | will also be allocated on the objfile_obstack. If the type is |
2398 | associated with a gdbarch, then the space for data associated with that | |
2399 | type will also be allocated on the gdbarch_obstack. | |
2400 | ||
2401 | If a type is not associated with neither an objfile or a gdbarch then | |
2402 | you should not use this macro to allocate space for data, instead you | |
2403 | should call xmalloc directly, and ensure the memory is correctly freed | |
2404 | when it is no longer needed. */ | |
2405 | ||
2406 | #define TYPE_ALLOC(t,size) \ | |
30625020 | 2407 | (obstack_alloc (((t)->is_objfile_owned () \ |
6ac37371 SM |
2408 | ? &((t)->objfile_owner ()->objfile_obstack) \ |
2409 | : gdbarch_obstack ((t)->arch_owner ())), \ | |
dda83cd7 | 2410 | size)) |
2fabdf33 AB |
2411 | |
2412 | ||
2413 | /* See comment on TYPE_ALLOC. */ | |
2414 | ||
2415 | #define TYPE_ZALLOC(t,size) (memset (TYPE_ALLOC (t, size), 0, size)) | |
ae5a43e0 | 2416 | |
5e3a2c38 SS |
2417 | /* Use alloc_type to allocate a type owned by an objfile. Use |
2418 | alloc_type_arch to allocate a type owned by an architecture. Use | |
2419 | alloc_type_copy to allocate a type with the same owner as a | |
2420 | pre-existing template type, no matter whether objfile or | |
2421 | gdbarch. */ | |
a14ed312 | 2422 | extern struct type *alloc_type (struct objfile *); |
e9bb382b UW |
2423 | extern struct type *alloc_type_arch (struct gdbarch *); |
2424 | extern struct type *alloc_type_copy (const struct type *); | |
c906108c | 2425 | |
5e3a2c38 | 2426 | /* * This returns the target type (or NULL) of TYPE, also skipping |
99ad9427 | 2427 | past typedefs. */ |
5e3a2c38 | 2428 | |
99ad9427 YQ |
2429 | extern struct type *get_target_type (struct type *type); |
2430 | ||
2e056931 SM |
2431 | /* Return the equivalent of TYPE_LENGTH, but in number of target |
2432 | addressable memory units of the associated gdbarch instead of bytes. */ | |
2433 | ||
2434 | extern unsigned int type_length_units (struct type *type); | |
2435 | ||
5e3a2c38 SS |
2436 | /* * Helper function to construct objfile-owned types. */ |
2437 | ||
19f392bc UW |
2438 | extern struct type *init_type (struct objfile *, enum type_code, int, |
2439 | const char *); | |
2440 | extern struct type *init_integer_type (struct objfile *, int, int, | |
2441 | const char *); | |
2442 | extern struct type *init_character_type (struct objfile *, int, int, | |
2443 | const char *); | |
2444 | extern struct type *init_boolean_type (struct objfile *, int, int, | |
2445 | const char *); | |
2446 | extern struct type *init_float_type (struct objfile *, int, const char *, | |
103a685e TT |
2447 | const struct floatformat **, |
2448 | enum bfd_endian = BFD_ENDIAN_UNKNOWN); | |
19f392bc | 2449 | extern struct type *init_decfloat_type (struct objfile *, int, const char *); |
ae710496 | 2450 | extern bool can_create_complex_type (struct type *); |
5b930b45 | 2451 | extern struct type *init_complex_type (const char *, struct type *); |
19f392bc UW |
2452 | extern struct type *init_pointer_type (struct objfile *, int, const char *, |
2453 | struct type *); | |
09584414 JB |
2454 | extern struct type *init_fixed_point_type (struct objfile *, int, int, |
2455 | const char *); | |
c906108c | 2456 | |
e9bb382b | 2457 | /* Helper functions to construct architecture-owned types. */ |
695bfa52 TT |
2458 | extern struct type *arch_type (struct gdbarch *, enum type_code, int, |
2459 | const char *); | |
2460 | extern struct type *arch_integer_type (struct gdbarch *, int, int, | |
2461 | const char *); | |
2462 | extern struct type *arch_character_type (struct gdbarch *, int, int, | |
2463 | const char *); | |
2464 | extern struct type *arch_boolean_type (struct gdbarch *, int, int, | |
2465 | const char *); | |
2466 | extern struct type *arch_float_type (struct gdbarch *, int, const char *, | |
e9bb382b | 2467 | const struct floatformat **); |
88dfca6c | 2468 | extern struct type *arch_decfloat_type (struct gdbarch *, int, const char *); |
88dfca6c UW |
2469 | extern struct type *arch_pointer_type (struct gdbarch *, int, const char *, |
2470 | struct type *); | |
e9bb382b | 2471 | |
0e101458 | 2472 | /* Helper functions to construct a struct or record type. An |
e9bb382b | 2473 | initially empty type is created using arch_composite_type(). |
eb90ce83 | 2474 | Fields are then added using append_composite_type_field*(). A union |
0e101458 AC |
2475 | type has its size set to the largest field. A struct type has each |
2476 | field packed against the previous. */ | |
2477 | ||
e9bb382b | 2478 | extern struct type *arch_composite_type (struct gdbarch *gdbarch, |
695bfa52 TT |
2479 | const char *name, enum type_code code); |
2480 | extern void append_composite_type_field (struct type *t, const char *name, | |
0e101458 | 2481 | struct type *field); |
4aa995e1 | 2482 | extern void append_composite_type_field_aligned (struct type *t, |
695bfa52 | 2483 | const char *name, |
4aa995e1 PA |
2484 | struct type *field, |
2485 | int alignment); | |
695bfa52 | 2486 | struct field *append_composite_type_field_raw (struct type *t, const char *name, |
f5dff777 | 2487 | struct type *field); |
0e101458 | 2488 | |
4f2aea11 | 2489 | /* Helper functions to construct a bit flags type. An initially empty |
e9bb382b | 2490 | type is created using arch_flag_type(). Flags are then added using |
81516450 | 2491 | append_flag_type_field() and append_flag_type_flag(). */ |
e9bb382b | 2492 | extern struct type *arch_flags_type (struct gdbarch *gdbarch, |
77b7c781 | 2493 | const char *name, int bit); |
81516450 DE |
2494 | extern void append_flags_type_field (struct type *type, |
2495 | int start_bitpos, int nr_bits, | |
695bfa52 TT |
2496 | struct type *field_type, const char *name); |
2497 | extern void append_flags_type_flag (struct type *type, int bitpos, | |
2498 | const char *name); | |
4f2aea11 | 2499 | |
ea37ba09 | 2500 | extern void make_vector_type (struct type *array_type); |
794ac428 UW |
2501 | extern struct type *init_vector_type (struct type *elt_type, int n); |
2502 | ||
3b224330 AV |
2503 | extern struct type *lookup_reference_type (struct type *, enum type_code); |
2504 | extern struct type *lookup_lvalue_reference_type (struct type *); | |
2505 | extern struct type *lookup_rvalue_reference_type (struct type *); | |
c906108c | 2506 | |
3b224330 AV |
2507 | |
2508 | extern struct type *make_reference_type (struct type *, struct type **, | |
dda83cd7 | 2509 | enum type_code); |
c906108c | 2510 | |
a14ed312 | 2511 | extern struct type *make_cv_type (int, int, struct type *, struct type **); |
c906108c | 2512 | |
06d66ee9 TT |
2513 | extern struct type *make_restrict_type (struct type *); |
2514 | ||
f1660027 TT |
2515 | extern struct type *make_unqualified_type (struct type *); |
2516 | ||
a2c2acaf MW |
2517 | extern struct type *make_atomic_type (struct type *); |
2518 | ||
dd6bda65 DJ |
2519 | extern void replace_type (struct type *, struct type *); |
2520 | ||
69896a2c PA |
2521 | extern type_instance_flags address_space_name_to_type_instance_flags |
2522 | (struct gdbarch *, const char *); | |
47663de5 | 2523 | |
69896a2c PA |
2524 | extern const char *address_space_type_instance_flags_to_name |
2525 | (struct gdbarch *, type_instance_flags); | |
47663de5 | 2526 | |
314ad88d PA |
2527 | extern struct type *make_type_with_address_space |
2528 | (struct type *type, type_instance_flags space_identifier); | |
47663de5 | 2529 | |
0d5de010 DJ |
2530 | extern struct type *lookup_memberptr_type (struct type *, struct type *); |
2531 | ||
2532 | extern struct type *lookup_methodptr_type (struct type *); | |
c906108c | 2533 | |
09e2d7c7 | 2534 | extern void smash_to_method_type (struct type *type, struct type *self_type, |
0d5de010 DJ |
2535 | struct type *to_type, struct field *args, |
2536 | int nargs, int varargs); | |
c906108c | 2537 | |
0d5de010 DJ |
2538 | extern void smash_to_memberptr_type (struct type *, struct type *, |
2539 | struct type *); | |
c906108c | 2540 | |
0b92b5bb TT |
2541 | extern void smash_to_methodptr_type (struct type *, struct type *); |
2542 | ||
a14ed312 | 2543 | extern struct type *allocate_stub_method (struct type *); |
c906108c | 2544 | |
a737d952 | 2545 | extern const char *type_name_or_error (struct type *type); |
d8228535 | 2546 | |
ef0bd204 JB |
2547 | struct struct_elt |
2548 | { | |
2549 | /* The field of the element, or NULL if no element was found. */ | |
2550 | struct field *field; | |
2551 | ||
2552 | /* The bit offset of the element in the parent structure. */ | |
2553 | LONGEST offset; | |
2554 | }; | |
2555 | ||
2556 | /* Given a type TYPE, lookup the field and offset of the component named | |
2557 | NAME. | |
2558 | ||
2559 | TYPE can be either a struct or union, or a pointer or reference to | |
2560 | a struct or union. If it is a pointer or reference, its target | |
2561 | type is automatically used. Thus '.' and '->' are interchangable, | |
2562 | as specified for the definitions of the expression element types | |
2563 | STRUCTOP_STRUCT and STRUCTOP_PTR. | |
2564 | ||
2565 | If NOERR is nonzero, the returned structure will have field set to | |
2566 | NULL if there is no component named NAME. | |
2567 | ||
2568 | If the component NAME is a field in an anonymous substructure of | |
2569 | TYPE, the returned offset is a "global" offset relative to TYPE | |
2570 | rather than an offset within the substructure. */ | |
2571 | ||
2572 | extern struct_elt lookup_struct_elt (struct type *, const char *, int); | |
2573 | ||
2574 | /* Given a type TYPE, lookup the type of the component named NAME. | |
2575 | ||
2576 | TYPE can be either a struct or union, or a pointer or reference to | |
2577 | a struct or union. If it is a pointer or reference, its target | |
2578 | type is automatically used. Thus '.' and '->' are interchangable, | |
2579 | as specified for the definitions of the expression element types | |
2580 | STRUCTOP_STRUCT and STRUCTOP_PTR. | |
2581 | ||
2582 | If NOERR is nonzero, return NULL if there is no component named | |
2583 | NAME. */ | |
2584 | ||
d7561cbb | 2585 | extern struct type *lookup_struct_elt_type (struct type *, const char *, int); |
c906108c | 2586 | |
a14ed312 | 2587 | extern struct type *make_pointer_type (struct type *, struct type **); |
c906108c | 2588 | |
a14ed312 | 2589 | extern struct type *lookup_pointer_type (struct type *); |
c906108c | 2590 | |
0c8b41f1 | 2591 | extern struct type *make_function_type (struct type *, struct type **); |
c906108c | 2592 | |
a14ed312 | 2593 | extern struct type *lookup_function_type (struct type *); |
c906108c | 2594 | |
71918a86 TT |
2595 | extern struct type *lookup_function_type_with_arguments (struct type *, |
2596 | int, | |
2597 | struct type **); | |
2598 | ||
0c9c3474 SA |
2599 | extern struct type *create_static_range_type (struct type *, struct type *, |
2600 | LONGEST, LONGEST); | |
c906108c | 2601 | |
729efb13 | 2602 | |
dc53a7ad | 2603 | extern struct type *create_array_type_with_stride |
a405673c JB |
2604 | (struct type *, struct type *, struct type *, |
2605 | struct dynamic_prop *, unsigned int); | |
dc53a7ad | 2606 | |
729efb13 SA |
2607 | extern struct type *create_range_type (struct type *, struct type *, |
2608 | const struct dynamic_prop *, | |
4e962e74 TT |
2609 | const struct dynamic_prop *, |
2610 | LONGEST); | |
729efb13 | 2611 | |
5bbd8269 AB |
2612 | /* Like CREATE_RANGE_TYPE but also sets up a stride. When BYTE_STRIDE_P |
2613 | is true the value in STRIDE is a byte stride, otherwise STRIDE is a bit | |
2614 | stride. */ | |
2615 | ||
2616 | extern struct type * create_range_type_with_stride | |
2617 | (struct type *result_type, struct type *index_type, | |
2618 | const struct dynamic_prop *low_bound, | |
2619 | const struct dynamic_prop *high_bound, LONGEST bias, | |
2620 | const struct dynamic_prop *stride, bool byte_stride_p); | |
2621 | ||
a14ed312 KB |
2622 | extern struct type *create_array_type (struct type *, struct type *, |
2623 | struct type *); | |
dc53a7ad | 2624 | |
63375b74 | 2625 | extern struct type *lookup_array_range_type (struct type *, LONGEST, LONGEST); |
c906108c | 2626 | |
3b7538c0 UW |
2627 | extern struct type *create_string_type (struct type *, struct type *, |
2628 | struct type *); | |
63375b74 | 2629 | extern struct type *lookup_string_range_type (struct type *, LONGEST, LONGEST); |
c906108c | 2630 | |
a14ed312 | 2631 | extern struct type *create_set_type (struct type *, struct type *); |
c906108c | 2632 | |
e6c014f2 | 2633 | extern struct type *lookup_unsigned_typename (const struct language_defn *, |
b858499d | 2634 | const char *); |
c906108c | 2635 | |
e6c014f2 | 2636 | extern struct type *lookup_signed_typename (const struct language_defn *, |
b858499d | 2637 | const char *); |
c906108c | 2638 | |
c3c1e645 | 2639 | extern ULONGEST get_unsigned_type_max (struct type *); |
ed3ef339 DE |
2640 | |
2641 | extern void get_signed_type_minmax (struct type *, LONGEST *, LONGEST *); | |
2642 | ||
b5b591a8 GB |
2643 | extern CORE_ADDR get_pointer_type_max (struct type *); |
2644 | ||
80180f79 SA |
2645 | /* * Resolve all dynamic values of a type e.g. array bounds to static values. |
2646 | ADDR specifies the location of the variable the type is bound to. | |
2647 | If TYPE has no dynamic properties return TYPE; otherwise a new type with | |
52429bbd TT |
2648 | static properties is returned. |
2649 | ||
2650 | For an array type, if the element type is dynamic, then that will | |
2651 | not be resolved. This is done because each individual element may | |
2652 | have a different type when resolved (depending on the contents of | |
2653 | memory). In this situation, 'is_dynamic_type' will still return | |
2654 | true for the return value of this function. */ | |
b249d2c2 TT |
2655 | extern struct type *resolve_dynamic_type |
2656 | (struct type *type, gdb::array_view<const gdb_byte> valaddr, | |
2657 | CORE_ADDR addr); | |
80180f79 | 2658 | |
52429bbd TT |
2659 | /* * Predicate if the type has dynamic values, which are not resolved yet. |
2660 | See the caveat in 'resolve_dynamic_type' to understand a scenario | |
2661 | where an apparently-resolved type may still be considered | |
2662 | "dynamic". */ | |
80180f79 SA |
2663 | extern int is_dynamic_type (struct type *type); |
2664 | ||
a14ed312 | 2665 | extern struct type *check_typedef (struct type *); |
c906108c | 2666 | |
de17c821 | 2667 | extern void check_stub_method_group (struct type *, int); |
c906108c | 2668 | |
a14ed312 | 2669 | extern char *gdb_mangle_name (struct type *, int, int); |
c906108c | 2670 | |
e6c014f2 | 2671 | extern struct type *lookup_typename (const struct language_defn *, |
b858499d | 2672 | const char *, const struct block *, int); |
c906108c | 2673 | |
61f4b350 | 2674 | extern struct type *lookup_template_type (const char *, struct type *, |
270140bd | 2675 | const struct block *); |
c906108c | 2676 | |
81fe8080 | 2677 | extern int get_vptr_fieldno (struct type *, struct type **); |
c906108c | 2678 | |
1f8d2881 SM |
2679 | /* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type |
2680 | TYPE. | |
2681 | ||
2682 | Return true if the two bounds are available, false otherwise. */ | |
2683 | ||
2684 | extern bool get_discrete_bounds (struct type *type, LONGEST *lowp, | |
2685 | LONGEST *highp); | |
c906108c | 2686 | |
5b56203a SM |
2687 | /* If TYPE's low bound is a known constant, return it, else return nullopt. */ |
2688 | ||
2689 | extern gdb::optional<LONGEST> get_discrete_low_bound (struct type *type); | |
2690 | ||
2691 | /* If TYPE's high bound is a known constant, return it, else return nullopt. */ | |
2692 | ||
2693 | extern gdb::optional<LONGEST> get_discrete_high_bound (struct type *type); | |
2694 | ||
584903d3 SM |
2695 | /* Assuming TYPE is a simple, non-empty array type, compute its upper |
2696 | and lower bound. Save the low bound into LOW_BOUND if not NULL. | |
2697 | Save the high bound into HIGH_BOUND if not NULL. | |
2698 | ||
2699 | Return true if the operation was successful. Return false otherwise, | |
2700 | in which case the values of LOW_BOUND and HIGH_BOUNDS are unmodified. */ | |
2701 | ||
2702 | extern bool get_array_bounds (struct type *type, LONGEST *low_bound, | |
2703 | LONGEST *high_bound); | |
dbc98a8b | 2704 | |
6244c119 SM |
2705 | extern gdb::optional<LONGEST> discrete_position (struct type *type, |
2706 | LONGEST val); | |
aa715135 | 2707 | |
4e8f195d TT |
2708 | extern int class_types_same_p (const struct type *, const struct type *); |
2709 | ||
a14ed312 | 2710 | extern int is_ancestor (struct type *, struct type *); |
c906108c | 2711 | |
4e8f195d TT |
2712 | extern int is_public_ancestor (struct type *, struct type *); |
2713 | ||
2714 | extern int is_unique_ancestor (struct type *, struct value *); | |
2715 | ||
c906108c SS |
2716 | /* Overload resolution */ |
2717 | ||
5e3a2c38 | 2718 | /* * Badness if parameter list length doesn't match arg list length. */ |
6403aeea SW |
2719 | extern const struct rank LENGTH_MISMATCH_BADNESS; |
2720 | ||
5e3a2c38 | 2721 | /* * Dummy badness value for nonexistent parameter positions. */ |
6403aeea | 2722 | extern const struct rank TOO_FEW_PARAMS_BADNESS; |
5e3a2c38 | 2723 | /* * Badness if no conversion among types. */ |
6403aeea SW |
2724 | extern const struct rank INCOMPATIBLE_TYPE_BADNESS; |
2725 | ||
5e3a2c38 | 2726 | /* * Badness of an exact match. */ |
6403aeea | 2727 | extern const struct rank EXACT_MATCH_BADNESS; |
c906108c | 2728 | |
5e3a2c38 | 2729 | /* * Badness of integral promotion. */ |
6403aeea | 2730 | extern const struct rank INTEGER_PROMOTION_BADNESS; |
5e3a2c38 | 2731 | /* * Badness of floating promotion. */ |
6403aeea | 2732 | extern const struct rank FLOAT_PROMOTION_BADNESS; |
5e3a2c38 | 2733 | /* * Badness of converting a derived class pointer |
7062b0a0 | 2734 | to a base class pointer. */ |
6403aeea | 2735 | extern const struct rank BASE_PTR_CONVERSION_BADNESS; |
5e3a2c38 | 2736 | /* * Badness of integral conversion. */ |
6403aeea | 2737 | extern const struct rank INTEGER_CONVERSION_BADNESS; |
5e3a2c38 | 2738 | /* * Badness of floating conversion. */ |
6403aeea | 2739 | extern const struct rank FLOAT_CONVERSION_BADNESS; |
5e3a2c38 | 2740 | /* * Badness of integer<->floating conversions. */ |
6403aeea | 2741 | extern const struct rank INT_FLOAT_CONVERSION_BADNESS; |
5e3a2c38 | 2742 | /* * Badness of conversion of pointer to void pointer. */ |
6403aeea | 2743 | extern const struct rank VOID_PTR_CONVERSION_BADNESS; |
5e3a2c38 | 2744 | /* * Badness of conversion to boolean. */ |
5b4f6e25 | 2745 | extern const struct rank BOOL_CONVERSION_BADNESS; |
5e3a2c38 | 2746 | /* * Badness of converting derived to base class. */ |
6403aeea | 2747 | extern const struct rank BASE_CONVERSION_BADNESS; |
e15c3eb4 KS |
2748 | /* * Badness of converting from non-reference to reference. Subrank |
2749 | is the type of reference conversion being done. */ | |
6403aeea | 2750 | extern const struct rank REFERENCE_CONVERSION_BADNESS; |
06acc08f | 2751 | extern const struct rank REFERENCE_SEE_THROUGH_BADNESS; |
e15c3eb4 KS |
2752 | /* * Conversion to rvalue reference. */ |
2753 | #define REFERENCE_CONVERSION_RVALUE 1 | |
2754 | /* * Conversion to const lvalue reference. */ | |
2755 | #define REFERENCE_CONVERSION_CONST_LVALUE 2 | |
2756 | ||
5e3a2c38 | 2757 | /* * Badness of converting integer 0 to NULL pointer. */ |
da096638 | 2758 | extern const struct rank NULL_POINTER_CONVERSION; |
e15c3eb4 KS |
2759 | /* * Badness of cv-conversion. Subrank is a flag describing the conversions |
2760 | being done. */ | |
2761 | extern const struct rank CV_CONVERSION_BADNESS; | |
2762 | #define CV_CONVERSION_CONST 1 | |
2763 | #define CV_CONVERSION_VOLATILE 2 | |
7b83ea04 | 2764 | |
c906108c | 2765 | /* Non-standard conversions allowed by the debugger */ |
5e3a2c38 SS |
2766 | |
2767 | /* * Converting a pointer to an int is usually OK. */ | |
6403aeea SW |
2768 | extern const struct rank NS_POINTER_CONVERSION_BADNESS; |
2769 | ||
5e3a2c38 | 2770 | /* * Badness of converting a (non-zero) integer constant |
a451cb65 KS |
2771 | to a pointer. */ |
2772 | extern const struct rank NS_INTEGER_POINTER_CONVERSION_BADNESS; | |
c906108c | 2773 | |
6403aeea SW |
2774 | extern struct rank sum_ranks (struct rank a, struct rank b); |
2775 | extern int compare_ranks (struct rank a, struct rank b); | |
c906108c | 2776 | |
82ceee50 PA |
2777 | extern int compare_badness (const badness_vector &, |
2778 | const badness_vector &); | |
c906108c | 2779 | |
82ceee50 PA |
2780 | extern badness_vector rank_function (gdb::array_view<type *> parms, |
2781 | gdb::array_view<value *> args); | |
c906108c | 2782 | |
da096638 KS |
2783 | extern struct rank rank_one_type (struct type *, struct type *, |
2784 | struct value *); | |
c906108c | 2785 | |
a14ed312 | 2786 | extern void recursive_dump_type (struct type *, int); |
c906108c | 2787 | |
d6a843b5 JK |
2788 | extern int field_is_static (struct field *); |
2789 | ||
c906108c SS |
2790 | /* printcmd.c */ |
2791 | ||
7c543f7b | 2792 | extern void print_scalar_formatted (const gdb_byte *, struct type *, |
79a45b7d TT |
2793 | const struct value_print_options *, |
2794 | int, struct ui_file *); | |
c906108c | 2795 | |
a14ed312 | 2796 | extern int can_dereference (struct type *); |
c906108c | 2797 | |
a14ed312 | 2798 | extern int is_integral_type (struct type *); |
adf40b2e | 2799 | |
70100014 UW |
2800 | extern int is_floating_type (struct type *); |
2801 | ||
220475ed JB |
2802 | extern int is_scalar_type (struct type *type); |
2803 | ||
e09342b5 TJB |
2804 | extern int is_scalar_type_recursive (struct type *); |
2805 | ||
6c659fc2 SC |
2806 | extern int class_or_union_p (const struct type *); |
2807 | ||
58971144 | 2808 | extern void maintenance_print_type (const char *, int); |
c906108c | 2809 | |
bde539c2 | 2810 | extern htab_up create_copied_types_hash (); |
ae5a43e0 | 2811 | |
bde539c2 | 2812 | extern struct type *copy_type_recursive (struct type *type, |
ae5a43e0 DJ |
2813 | htab_t copied_types); |
2814 | ||
4af88198 JB |
2815 | extern struct type *copy_type (const struct type *type); |
2816 | ||
894882e3 | 2817 | extern bool types_equal (struct type *, struct type *); |
bd69fc68 | 2818 | |
894882e3 | 2819 | extern bool types_deeply_equal (struct type *, struct type *); |
ca092b61 | 2820 | |
3f2f83dd KB |
2821 | extern int type_not_allocated (const struct type *type); |
2822 | ||
2823 | extern int type_not_associated (const struct type *type); | |
2824 | ||
09584414 JB |
2825 | /* Return True if TYPE is a TYPE_CODE_FIXED_POINT or if TYPE is |
2826 | a range type whose base type is a TYPE_CODE_FIXED_POINT. */ | |
2827 | extern bool is_fixed_point_type (struct type *type); | |
2828 | ||
09584414 JB |
2829 | /* Allocate a fixed-point type info for TYPE. This should only be |
2830 | called by INIT_FIXED_POINT_SPECIFIC. */ | |
2a12c336 | 2831 | extern void allocate_fixed_point_type_info (struct type *type); |
09584414 | 2832 | |
34877895 | 2833 | /* * When the type includes explicit byte ordering, return that. |
8ee511af SM |
2834 | Otherwise, the byte ordering from gdbarch_byte_order for |
2835 | the type's arch is returned. */ | |
2836 | ||
34877895 PJ |
2837 | extern enum bfd_endian type_byte_order (const struct type *type); |
2838 | ||
79bb1944 CB |
2839 | /* A flag to enable printing of debugging information of C++ |
2840 | overloading. */ | |
2841 | ||
2842 | extern unsigned int overload_debug; | |
2843 | ||
0b35f123 LS |
2844 | /* Return whether the function type represented by TYPE is marked as unsafe |
2845 | to call by the debugger. | |
2846 | ||
2847 | This usually indicates that the function does not follow the target's | |
78554598 | 2848 | standard calling convention. */ |
0b35f123 LS |
2849 | |
2850 | extern bool is_nocall_function (const struct type *type); | |
2851 | ||
c5aa993b | 2852 | #endif /* GDBTYPES_H */ |