Commit | Line | Data |
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c906108c | 1 | /* Definitions for values of C expressions, for GDB. |
dea7f9ba | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
9b254dd1 | 4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
4c38e0a4 | 5 | 2008, 2009, 2010 Free Software Foundation, Inc. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #if !defined (VALUE_H) | |
23 | #define VALUE_H 1 | |
24 | ||
dea7f9ba | 25 | #include "doublest.h" |
1df6926e | 26 | #include "frame.h" /* For struct frame_id. */ |
dea7f9ba MK |
27 | |
28 | struct block; | |
da3331ec | 29 | struct expression; |
dea7f9ba | 30 | struct regcache; |
da3331ec AC |
31 | struct symbol; |
32 | struct type; | |
dea7f9ba | 33 | struct ui_file; |
d8ca156b | 34 | struct language_defn; |
79a45b7d | 35 | struct value_print_options; |
d16aafd8 | 36 | |
dea7f9ba MK |
37 | /* The structure which defines the type of a value. It should never |
38 | be possible for a program lval value to survive over a call to the | |
39 | inferior (i.e. to be put into the history list or an internal | |
40 | variable). */ | |
c906108c | 41 | |
91294c83 | 42 | struct value; |
c906108c | 43 | |
17cf0ecd | 44 | /* Values are stored in a chain, so that they can be deleted easily |
a08702d6 TJB |
45 | over calls to the inferior. Values assigned to internal variables, |
46 | put into the value history or exposed to Python are taken off this | |
47 | list. */ | |
91294c83 | 48 | |
17cf0ecd AC |
49 | struct value *value_next (struct value *); |
50 | ||
91294c83 AC |
51 | /* Type of the value. */ |
52 | ||
df407dfe | 53 | extern struct type *value_type (struct value *); |
91294c83 | 54 | |
04624583 AC |
55 | /* This is being used to change the type of an existing value, that |
56 | code should instead be creating a new value with the changed type | |
57 | (but possibly shared content). */ | |
91294c83 | 58 | |
04624583 AC |
59 | extern void deprecated_set_value_type (struct value *value, |
60 | struct type *type); | |
91294c83 AC |
61 | |
62 | /* Only used for bitfields; number of bits contained in them. */ | |
63 | ||
df407dfe | 64 | extern int value_bitsize (struct value *); |
9bbda503 | 65 | extern void set_value_bitsize (struct value *, int bit); |
91294c83 AC |
66 | |
67 | /* Only used for bitfields; position of start of field. For | |
32c9a795 MD |
68 | gdbarch_bits_big_endian=0 targets, it is the position of the LSB. For |
69 | gdbarch_bits_big_endian=1 targets, it is the position of the MSB. */ | |
91294c83 | 70 | |
df407dfe | 71 | extern int value_bitpos (struct value *); |
9bbda503 | 72 | extern void set_value_bitpos (struct value *, int bit); |
f5cf64a7 | 73 | |
4ea48cc1 DJ |
74 | /* Only used for bitfields; the containing value. This allows a |
75 | single read from the target when displaying multiple | |
76 | bitfields. */ | |
77 | ||
78 | struct value *value_parent (struct value *); | |
79 | ||
91294c83 AC |
80 | /* Describes offset of a value within lval of a structure in bytes. |
81 | If lval == lval_memory, this is an offset to the address. If lval | |
82 | == lval_register, this is a further offset from location.address | |
83 | within the registers structure. Note also the member | |
84 | embedded_offset below. */ | |
85 | ||
df407dfe | 86 | extern int value_offset (struct value *); |
f5cf64a7 | 87 | extern void set_value_offset (struct value *, int offset); |
df407dfe | 88 | |
88e3b34b AC |
89 | /* The comment from "struct value" reads: ``Is it modifiable? Only |
90 | relevant if lval != not_lval.''. Shouldn't the value instead be | |
91 | not_lval and be done with it? */ | |
91294c83 | 92 | |
88e3b34b AC |
93 | extern int deprecated_value_modifiable (struct value *value); |
94 | extern void deprecated_set_value_modifiable (struct value *value, | |
95 | int modifiable); | |
96 | ||
91294c83 AC |
97 | /* If a value represents a C++ object, then the `type' field gives the |
98 | object's compile-time type. If the object actually belongs to some | |
99 | class derived from `type', perhaps with other base classes and | |
100 | additional members, then `type' is just a subobject of the real | |
101 | thing, and the full object is probably larger than `type' would | |
102 | suggest. | |
103 | ||
104 | If `type' is a dynamic class (i.e. one with a vtable), then GDB can | |
105 | actually determine the object's run-time type by looking at the | |
106 | run-time type information in the vtable. When this information is | |
107 | available, we may elect to read in the entire object, for several | |
108 | reasons: | |
109 | ||
110 | - When printing the value, the user would probably rather see the | |
111 | full object, not just the limited portion apparent from the | |
112 | compile-time type. | |
113 | ||
114 | - If `type' has virtual base classes, then even printing `type' | |
115 | alone may require reaching outside the `type' portion of the | |
116 | object to wherever the virtual base class has been stored. | |
117 | ||
118 | When we store the entire object, `enclosing_type' is the run-time | |
119 | type -- the complete object -- and `embedded_offset' is the offset | |
120 | of `type' within that larger type, in bytes. The value_contents() | |
121 | macro takes `embedded_offset' into account, so most GDB code | |
122 | continues to see the `type' portion of the value, just as the | |
123 | inferior would. | |
124 | ||
125 | If `type' is a pointer to an object, then `enclosing_type' is a | |
126 | pointer to the object's run-time type, and `pointed_to_offset' is | |
127 | the offset in bytes from the full object to the pointed-to object | |
128 | -- that is, the value `embedded_offset' would have if we followed | |
129 | the pointer and fetched the complete object. (I don't really see | |
130 | the point. Why not just determine the run-time type when you | |
131 | indirect, and avoid the special case? The contents don't matter | |
132 | until you indirect anyway.) | |
133 | ||
134 | If we're not doing anything fancy, `enclosing_type' is equal to | |
135 | `type', and `embedded_offset' is zero, so everything works | |
136 | normally. */ | |
137 | ||
4754a64e | 138 | extern struct type *value_enclosing_type (struct value *); |
91294c83 AC |
139 | extern struct value *value_change_enclosing_type (struct value *val, |
140 | struct type *new_type); | |
141 | extern int value_pointed_to_offset (struct value *value); | |
142 | extern void set_value_pointed_to_offset (struct value *value, int val); | |
143 | extern int value_embedded_offset (struct value *value); | |
144 | extern void set_value_embedded_offset (struct value *value, int val); | |
145 | ||
5f5233d4 PA |
146 | /* For lval_computed values, this structure holds functions used to |
147 | retrieve and set the value (or portions of the value). | |
148 | ||
149 | For each function, 'V' is the 'this' pointer: an lval_funcs | |
150 | function F may always assume that the V it receives is an | |
151 | lval_computed value, and has F in the appropriate slot of its | |
152 | lval_funcs structure. */ | |
153 | ||
154 | struct lval_funcs | |
155 | { | |
156 | /* Fill in VALUE's contents. This is used to "un-lazy" values. If | |
157 | a problem arises in obtaining VALUE's bits, this function should | |
158 | call 'error'. */ | |
159 | void (*read) (struct value *v); | |
160 | ||
161 | /* Handle an assignment TOVAL = FROMVAL by writing the value of | |
162 | FROMVAL to TOVAL's location. The contents of TOVAL have not yet | |
163 | been updated. If a problem arises in doing so, this function | |
164 | should call 'error'. */ | |
165 | void (*write) (struct value *toval, struct value *fromval); | |
166 | ||
167 | /* Return a duplicate of VALUE's closure, for use in a new value. | |
168 | This may simply return the same closure, if VALUE's is | |
169 | reference-counted or statically allocated. | |
170 | ||
171 | This may be NULL, in which case VALUE's closure is re-used in the | |
172 | new value. */ | |
173 | void *(*copy_closure) (struct value *v); | |
174 | ||
175 | /* Drop VALUE's reference to its closure. Maybe this frees the | |
176 | closure; maybe this decrements a reference count; maybe the | |
177 | closure is statically allocated and this does nothing. | |
178 | ||
179 | This may be NULL, in which case no action is taken to free | |
180 | VALUE's closure. */ | |
181 | void (*free_closure) (struct value *v); | |
182 | }; | |
183 | ||
184 | /* Create a computed lvalue, with type TYPE, function pointers FUNCS, | |
185 | and closure CLOSURE. */ | |
186 | ||
187 | extern struct value *allocate_computed_value (struct type *type, | |
188 | struct lval_funcs *funcs, | |
189 | void *closure); | |
190 | ||
191 | /* If VALUE is lval_computed, return its lval_funcs structure. */ | |
192 | ||
193 | extern struct lval_funcs *value_computed_funcs (struct value *value); | |
194 | ||
195 | /* If VALUE is lval_computed, return its closure. The meaning of the | |
196 | returned value depends on the functions VALUE uses. */ | |
197 | ||
198 | extern void *value_computed_closure (struct value *value); | |
199 | ||
91294c83 | 200 | /* If zero, contents of this value are in the contents field. If |
9214ee5f DJ |
201 | nonzero, contents are in inferior. If the lval field is lval_memory, |
202 | the contents are in inferior memory at location.address plus offset. | |
203 | The lval field may also be lval_register. | |
91294c83 AC |
204 | |
205 | WARNING: This field is used by the code which handles watchpoints | |
206 | (see breakpoint.c) to decide whether a particular value can be | |
207 | watched by hardware watchpoints. If the lazy flag is set for some | |
208 | member of a value chain, it is assumed that this member of the | |
209 | chain doesn't need to be watched as part of watching the value | |
210 | itself. This is how GDB avoids watching the entire struct or array | |
211 | when the user wants to watch a single struct member or array | |
212 | element. If you ever change the way lazy flag is set and reset, be | |
213 | sure to consider this use as well! */ | |
214 | ||
d69fe07e | 215 | extern int value_lazy (struct value *); |
dfa52d88 | 216 | extern void set_value_lazy (struct value *value, int val); |
dea7f9ba | 217 | |
4e5d721f DE |
218 | extern int value_stack (struct value *); |
219 | extern void set_value_stack (struct value *value, int val); | |
220 | ||
0fd88904 AC |
221 | /* value_contents() and value_contents_raw() both return the address |
222 | of the gdb buffer used to hold a copy of the contents of the lval. | |
223 | value_contents() is used when the contents of the buffer are needed | |
dea7f9ba | 224 | -- it uses value_fetch_lazy() to load the buffer from the process |
0fd88904 AC |
225 | being debugged if it hasn't already been loaded |
226 | (value_contents_writeable() is used when a writeable but fetched | |
227 | buffer is required).. value_contents_raw() is used when data is | |
228 | being stored into the buffer, or when it is certain that the | |
229 | contents of the buffer are valid. | |
dea7f9ba | 230 | |
c906108c SS |
231 | Note: The contents pointer is adjusted by the offset required to |
232 | get to the real subobject, if the value happens to represent | |
dea7f9ba | 233 | something embedded in a larger run-time object. */ |
c906108c | 234 | |
fc1a4b47 | 235 | extern gdb_byte *value_contents_raw (struct value *); |
91294c83 AC |
236 | |
237 | /* Actual contents of the value. For use of this value; setting it | |
238 | uses the stuff above. Not valid if lazy is nonzero. Target | |
239 | byte-order. We force it to be aligned properly for any possible | |
240 | value. Note that a value therefore extends beyond what is | |
241 | declared here. */ | |
242 | ||
fc1a4b47 AC |
243 | extern const gdb_byte *value_contents (struct value *); |
244 | extern gdb_byte *value_contents_writeable (struct value *); | |
c906108c SS |
245 | |
246 | /* The ALL variants of the above two macros do not adjust the returned | |
dea7f9ba | 247 | pointer by the embedded_offset value. */ |
c5aa993b | 248 | |
fc1a4b47 AC |
249 | extern gdb_byte *value_contents_all_raw (struct value *); |
250 | extern const gdb_byte *value_contents_all (struct value *); | |
c5aa993b | 251 | |
f23631e4 | 252 | extern int value_fetch_lazy (struct value *val); |
a6c442d8 | 253 | extern int value_contents_equal (struct value *val1, struct value *val2); |
c906108c | 254 | |
91294c83 AC |
255 | /* If nonzero, this is the value of a variable which does not actually |
256 | exist in the program. */ | |
feb13ab0 AC |
257 | extern int value_optimized_out (struct value *value); |
258 | extern void set_value_optimized_out (struct value *value, int val); | |
c906108c | 259 | |
f372da99 CT |
260 | /* Set or return field indicating whether a variable is initialized or |
261 | not, based on debugging information supplied by the compiler. | |
262 | 1 = initialized; 0 = uninitialized. */ | |
263 | extern int value_initialized (struct value *); | |
264 | extern void set_value_initialized (struct value *, int); | |
265 | ||
74bcbdf3 PA |
266 | /* Set COMPONENT's location as appropriate for a component of WHOLE |
267 | --- regardless of what kind of lvalue WHOLE is. */ | |
268 | extern void set_value_component_location (struct value *component, | |
269 | struct value *whole); | |
270 | ||
13bb5560 AC |
271 | /* While the following fields are per- VALUE .CONTENT .PIECE (i.e., a |
272 | single value might have multiple LVALs), this hacked interface is | |
273 | limited to just the first PIECE. Expect further change. */ | |
91294c83 AC |
274 | /* Type of value; either not an lval, or one of the various different |
275 | possible kinds of lval. */ | |
13bb5560 AC |
276 | extern enum lval_type *deprecated_value_lval_hack (struct value *); |
277 | #define VALUE_LVAL(val) (*deprecated_value_lval_hack (val)) | |
91294c83 | 278 | |
42ae5230 TT |
279 | /* If lval == lval_memory, return the address in the inferior. If |
280 | lval == lval_register, return the byte offset into the registers | |
281 | structure. Otherwise, return 0. The returned address | |
282 | includes the offset, if any. */ | |
283 | extern CORE_ADDR value_address (struct value *); | |
284 | ||
285 | /* Like value_address, except the result does not include value's | |
286 | offset. */ | |
287 | extern CORE_ADDR value_raw_address (struct value *); | |
288 | ||
289 | /* Set the address of a value. */ | |
290 | extern void set_value_address (struct value *, CORE_ADDR); | |
91294c83 AC |
291 | |
292 | /* Pointer to internal variable. */ | |
13bb5560 AC |
293 | extern struct internalvar **deprecated_value_internalvar_hack (struct value *); |
294 | #define VALUE_INTERNALVAR(val) (*deprecated_value_internalvar_hack (val)) | |
91294c83 AC |
295 | |
296 | /* Frame register value is relative to. This will be described in the | |
297 | lval enum above as "lval_register". */ | |
13bb5560 AC |
298 | extern struct frame_id *deprecated_value_frame_id_hack (struct value *); |
299 | #define VALUE_FRAME_ID(val) (*deprecated_value_frame_id_hack (val)) | |
91294c83 AC |
300 | |
301 | /* Register number if the value is from a register. */ | |
13bb5560 AC |
302 | extern short *deprecated_value_regnum_hack (struct value *); |
303 | #define VALUE_REGNUM(val) (*deprecated_value_regnum_hack (val)) | |
304 | ||
dea7f9ba | 305 | /* Convert a REF to the object referenced. */ |
c906108c | 306 | |
994b9211 | 307 | extern struct value *coerce_ref (struct value *value); |
c906108c SS |
308 | |
309 | /* If ARG is an array, convert it to a pointer. | |
c906108c SS |
310 | If ARG is a function, convert it to a function pointer. |
311 | ||
312 | References are dereferenced. */ | |
313 | ||
994b9211 | 314 | extern struct value *coerce_array (struct value *value); |
c906108c | 315 | |
c906108c | 316 | \f |
c5aa993b | 317 | |
c906108c SS |
318 | #include "symtab.h" |
319 | #include "gdbtypes.h" | |
320 | #include "expression.h" | |
321 | ||
c906108c SS |
322 | struct frame_info; |
323 | struct fn_field; | |
c906108c | 324 | |
5af949e3 UW |
325 | extern void print_address_demangle (struct gdbarch *, CORE_ADDR, |
326 | struct ui_file *, int); | |
c906108c | 327 | |
f23631e4 | 328 | extern LONGEST value_as_long (struct value *val); |
f23631e4 | 329 | extern DOUBLEST value_as_double (struct value *val); |
f23631e4 | 330 | extern CORE_ADDR value_as_address (struct value *val); |
c906108c | 331 | |
fc1a4b47 AC |
332 | extern LONGEST unpack_long (struct type *type, const gdb_byte *valaddr); |
333 | extern DOUBLEST unpack_double (struct type *type, const gdb_byte *valaddr, | |
66140c26 | 334 | int *invp); |
fc1a4b47 | 335 | extern CORE_ADDR unpack_pointer (struct type *type, const gdb_byte *valaddr); |
4ea48cc1 DJ |
336 | LONGEST unpack_bits_as_long (struct type *field_type, const gdb_byte *valaddr, |
337 | int bitpos, int bitsize); | |
8929e59d | 338 | extern LONGEST unpack_field_as_long (struct type *type, |
fc1a4b47 | 339 | const gdb_byte *valaddr, |
a14ed312 | 340 | int fieldno); |
c906108c | 341 | |
14d06750 DJ |
342 | extern void pack_long (gdb_byte *buf, struct type *type, LONGEST num); |
343 | ||
f23631e4 | 344 | extern struct value *value_from_longest (struct type *type, LONGEST num); |
f23631e4 | 345 | extern struct value *value_from_pointer (struct type *type, CORE_ADDR addr); |
f23631e4 | 346 | extern struct value *value_from_double (struct type *type, DOUBLEST num); |
4ef30785 TJB |
347 | extern struct value *value_from_decfloat (struct type *type, |
348 | const gdb_byte *decbytes); | |
0f71a2f6 | 349 | |
00a4c844 AC |
350 | extern struct value *value_at (struct type *type, CORE_ADDR addr); |
351 | extern struct value *value_at_lazy (struct type *type, CORE_ADDR addr); | |
c906108c | 352 | |
8acb6b92 TT |
353 | extern struct value *value_from_contents_and_address (struct type *, |
354 | const gdb_byte *, | |
355 | CORE_ADDR); | |
356 | ||
9acbedc0 UW |
357 | extern struct value *default_value_from_register (struct type *type, |
358 | int regnum, | |
359 | struct frame_info *frame); | |
360 | ||
f23631e4 AC |
361 | extern struct value *value_from_register (struct type *type, int regnum, |
362 | struct frame_info *frame); | |
c906108c | 363 | |
0b2b0195 UW |
364 | extern CORE_ADDR address_from_register (struct type *type, int regnum, |
365 | struct frame_info *frame); | |
366 | ||
f23631e4 | 367 | extern struct value *value_of_variable (struct symbol *var, struct block *b); |
c906108c | 368 | |
61212c0f UW |
369 | extern struct value *address_of_variable (struct symbol *var, struct block *b); |
370 | ||
89f5065b | 371 | extern struct value *value_of_register (int regnum, struct frame_info *frame); |
c906108c | 372 | |
9214ee5f DJ |
373 | struct value *value_of_register_lazy (struct frame_info *frame, int regnum); |
374 | ||
a14ed312 | 375 | extern int symbol_read_needs_frame (struct symbol *); |
c906108c | 376 | |
f23631e4 AC |
377 | extern struct value *read_var_value (struct symbol *var, |
378 | struct frame_info *frame); | |
c906108c | 379 | |
f23631e4 | 380 | extern struct value *allocate_value (struct type *type); |
3e3d7139 JG |
381 | extern struct value *allocate_value_lazy (struct type *type); |
382 | extern void allocate_value_contents (struct value *value); | |
c906108c | 383 | |
f23631e4 | 384 | extern struct value *allocate_repeat_value (struct type *type, int count); |
c906108c | 385 | |
f23631e4 | 386 | extern struct value *value_mark (void); |
c906108c | 387 | |
f23631e4 | 388 | extern void value_free_to_mark (struct value *mark); |
c906108c | 389 | |
3b7538c0 UW |
390 | extern struct value *value_cstring (char *ptr, int len, |
391 | struct type *char_type); | |
392 | extern struct value *value_string (char *ptr, int len, | |
393 | struct type *char_type); | |
22601c15 UW |
394 | extern struct value *value_bitstring (char *ptr, int len, |
395 | struct type *index_type); | |
c906108c | 396 | |
f23631e4 | 397 | extern struct value *value_array (int lowbound, int highbound, |
89f5065b | 398 | struct value **elemvec); |
c906108c | 399 | |
f23631e4 | 400 | extern struct value *value_concat (struct value *arg1, struct value *arg2); |
c906108c | 401 | |
f23631e4 AC |
402 | extern struct value *value_binop (struct value *arg1, struct value *arg2, |
403 | enum exp_opcode op); | |
c906108c | 404 | |
2497b498 | 405 | extern struct value *value_ptradd (struct value *arg1, LONGEST arg2); |
89eef114 UW |
406 | |
407 | extern LONGEST value_ptrdiff (struct value *arg1, struct value *arg2); | |
c906108c | 408 | |
63092375 DJ |
409 | extern int value_must_coerce_to_target (struct value *arg1); |
410 | ||
411 | extern struct value *value_coerce_to_target (struct value *arg1); | |
412 | ||
f23631e4 | 413 | extern struct value *value_coerce_array (struct value *arg1); |
c906108c | 414 | |
f23631e4 | 415 | extern struct value *value_coerce_function (struct value *arg1); |
c906108c | 416 | |
f23631e4 | 417 | extern struct value *value_ind (struct value *arg1); |
c906108c | 418 | |
f23631e4 | 419 | extern struct value *value_addr (struct value *arg1); |
c906108c | 420 | |
fb933624 DJ |
421 | extern struct value *value_ref (struct value *arg1); |
422 | ||
89f5065b AC |
423 | extern struct value *value_assign (struct value *toval, |
424 | struct value *fromval); | |
c906108c | 425 | |
36e9969c NS |
426 | extern struct value *value_pos (struct value *arg1); |
427 | ||
f23631e4 | 428 | extern struct value *value_neg (struct value *arg1); |
c906108c | 429 | |
f23631e4 | 430 | extern struct value *value_complement (struct value *arg1); |
c906108c | 431 | |
f23631e4 AC |
432 | extern struct value *value_struct_elt (struct value **argp, |
433 | struct value **args, | |
714f19d5 TT |
434 | const char *name, int *static_memfuncp, |
435 | const char *err); | |
c906108c | 436 | |
79c2c32d | 437 | extern struct value *value_aggregate_elt (struct type *curtype, |
0d5de010 | 438 | char *name, |
072bba3b | 439 | struct type *expect_type, |
0d5de010 DJ |
440 | int want_address, |
441 | enum noside noside); | |
c906108c | 442 | |
f23631e4 | 443 | extern struct value *value_static_field (struct type *type, int fieldno); |
c906108c | 444 | |
714f19d5 TT |
445 | extern struct fn_field *value_find_oload_method_list (struct value **, |
446 | const char *, | |
4a1970e4 | 447 | int, int *, |
a14ed312 | 448 | struct type **, int *); |
7a292a7a | 449 | |
a14ed312 | 450 | extern int find_overload_match (struct type **arg_types, int nargs, |
714f19d5 | 451 | const char *name, int method, int lax, |
7f8c9282 | 452 | struct value **objp, struct symbol *fsym, |
f23631e4 | 453 | struct value **valp, struct symbol **symp, |
a14ed312 | 454 | int *staticp); |
c906108c | 455 | |
f23631e4 | 456 | extern struct value *value_field (struct value *arg1, int fieldno); |
c906108c | 457 | |
f23631e4 AC |
458 | extern struct value *value_primitive_field (struct value *arg1, int offset, |
459 | int fieldno, | |
460 | struct type *arg_type); | |
c906108c | 461 | |
c906108c | 462 | |
f23631e4 AC |
463 | extern struct type *value_rtti_target_type (struct value *, int *, int *, |
464 | int *); | |
c906108c | 465 | |
f23631e4 AC |
466 | extern struct value *value_full_object (struct value *, struct type *, int, |
467 | int, int); | |
c906108c | 468 | |
fb933624 DJ |
469 | extern struct value *value_cast_pointers (struct type *, struct value *); |
470 | ||
f23631e4 | 471 | extern struct value *value_cast (struct type *type, struct value *arg2); |
c906108c | 472 | |
4e8f195d TT |
473 | extern struct value *value_reinterpret_cast (struct type *type, |
474 | struct value *arg); | |
475 | ||
476 | extern struct value *value_dynamic_cast (struct type *type, struct value *arg); | |
477 | ||
f23631e4 | 478 | extern struct value *value_zero (struct type *type, enum lval_type lv); |
c906108c | 479 | |
301f0ecf DE |
480 | extern struct value *value_one (struct type *type, enum lval_type lv); |
481 | ||
f23631e4 | 482 | extern struct value *value_repeat (struct value *arg1, int count); |
c906108c | 483 | |
2497b498 | 484 | extern struct value *value_subscript (struct value *array, LONGEST index); |
c906108c | 485 | |
afc05acb UW |
486 | extern struct value *value_bitstring_subscript (struct type *type, |
487 | struct value *bitstring, | |
2497b498 | 488 | LONGEST index); |
afc05acb | 489 | |
5fe830e4 AC |
490 | extern struct value *register_value_being_returned (struct type *valtype, |
491 | struct regcache *retbuf); | |
c906108c | 492 | |
fbb06eb1 | 493 | extern int value_in (struct value *element, struct value *set); |
c906108c | 494 | |
fc1a4b47 | 495 | extern int value_bit_index (struct type *type, const gdb_byte *addr, |
c84141d6 | 496 | int index); |
c906108c | 497 | |
d80b854b UW |
498 | extern int using_struct_return (struct gdbarch *gdbarch, |
499 | struct type *func_type, | |
c055b101 | 500 | struct type *value_type); |
c906108c | 501 | |
f23631e4 | 502 | extern struct value *evaluate_expression (struct expression *exp); |
c906108c | 503 | |
f23631e4 | 504 | extern struct value *evaluate_type (struct expression *exp); |
c906108c | 505 | |
4b27a620 JB |
506 | extern struct value *evaluate_subexp (struct type *expect_type, |
507 | struct expression *exp, | |
508 | int *pos, enum noside noside); | |
509 | ||
65d12d83 TT |
510 | extern struct value *evaluate_subexpression_type (struct expression *exp, |
511 | int subexp); | |
512 | ||
513 | extern char *extract_field_op (struct expression *exp, int *subexp); | |
514 | ||
f23631e4 AC |
515 | extern struct value *evaluate_subexp_with_coercion (struct expression *, |
516 | int *, enum noside); | |
c906108c | 517 | |
f23631e4 | 518 | extern struct value *parse_and_eval (char *exp); |
c906108c | 519 | |
f23631e4 | 520 | extern struct value *parse_to_comma_and_eval (char **expp); |
c906108c | 521 | |
a14ed312 | 522 | extern struct type *parse_and_eval_type (char *p, int length); |
c906108c | 523 | |
a14ed312 | 524 | extern CORE_ADDR parse_and_eval_address (char *exp); |
c906108c | 525 | |
a14ed312 | 526 | extern CORE_ADDR parse_and_eval_address_1 (char **expptr); |
c906108c | 527 | |
bb518678 DT |
528 | extern LONGEST parse_and_eval_long (char *exp); |
529 | ||
4066e646 UW |
530 | extern void unop_promote (const struct language_defn *language, |
531 | struct gdbarch *gdbarch, | |
532 | struct value **arg1); | |
533 | ||
534 | extern void binop_promote (const struct language_defn *language, | |
535 | struct gdbarch *gdbarch, | |
536 | struct value **arg1, struct value **arg2); | |
537 | ||
f23631e4 | 538 | extern struct value *access_value_history (int num); |
c906108c | 539 | |
78267919 UW |
540 | extern struct value *value_of_internalvar (struct gdbarch *gdbarch, |
541 | struct internalvar *var); | |
c906108c | 542 | |
4fa62494 UW |
543 | extern int get_internalvar_integer (struct internalvar *var, LONGEST *l); |
544 | ||
f23631e4 | 545 | extern void set_internalvar (struct internalvar *var, struct value *val); |
c906108c | 546 | |
4fa62494 UW |
547 | extern void set_internalvar_integer (struct internalvar *var, LONGEST l); |
548 | ||
78267919 UW |
549 | extern void set_internalvar_string (struct internalvar *var, |
550 | const char *string); | |
551 | ||
4fa62494 UW |
552 | extern void clear_internalvar (struct internalvar *var); |
553 | ||
a14ed312 KB |
554 | extern void set_internalvar_component (struct internalvar *var, |
555 | int offset, | |
556 | int bitpos, int bitsize, | |
f23631e4 | 557 | struct value *newvalue); |
c906108c | 558 | |
bc3b79fd | 559 | extern struct internalvar *lookup_only_internalvar (const char *name); |
c4a3d09a | 560 | |
bc3b79fd | 561 | extern struct internalvar *create_internalvar (const char *name); |
c4a3d09a | 562 | |
78267919 UW |
563 | typedef struct value * (*internalvar_make_value) (struct gdbarch *, |
564 | struct internalvar *); | |
4aa995e1 PA |
565 | extern struct internalvar * |
566 | create_internalvar_type_lazy (char *name, internalvar_make_value fun); | |
567 | ||
bc3b79fd | 568 | extern struct internalvar *lookup_internalvar (const char *name); |
c906108c | 569 | |
f23631e4 | 570 | extern int value_equal (struct value *arg1, struct value *arg2); |
c906108c | 571 | |
218d2fc6 TJB |
572 | extern int value_equal_contents (struct value *arg1, struct value *arg2); |
573 | ||
f23631e4 | 574 | extern int value_less (struct value *arg1, struct value *arg2); |
c906108c | 575 | |
f23631e4 | 576 | extern int value_logical_not (struct value *arg1); |
c906108c SS |
577 | |
578 | /* C++ */ | |
579 | ||
f23631e4 | 580 | extern struct value *value_of_this (int complain); |
c906108c | 581 | |
f23631e4 AC |
582 | extern struct value *value_x_binop (struct value *arg1, struct value *arg2, |
583 | enum exp_opcode op, | |
584 | enum exp_opcode otherop, | |
585 | enum noside noside); | |
c906108c | 586 | |
f23631e4 AC |
587 | extern struct value *value_x_unop (struct value *arg1, enum exp_opcode op, |
588 | enum noside noside); | |
c906108c | 589 | |
89f5065b | 590 | extern struct value *value_fn_field (struct value **arg1p, struct fn_field *f, |
f23631e4 | 591 | int j, struct type *type, int offset); |
c906108c | 592 | |
f23631e4 AC |
593 | extern int binop_user_defined_p (enum exp_opcode op, struct value *arg1, |
594 | struct value *arg2); | |
c906108c | 595 | |
f23631e4 | 596 | extern int unop_user_defined_p (enum exp_opcode op, struct value *arg1); |
c906108c | 597 | |
a14ed312 | 598 | extern int destructor_name_p (const char *name, const struct type *type); |
c906108c | 599 | |
828d3400 DJ |
600 | extern void value_incref (struct value *val); |
601 | ||
3e3d7139 | 602 | extern void value_free (struct value *val); |
c906108c | 603 | |
a14ed312 | 604 | extern void free_all_values (void); |
c906108c | 605 | |
f23631e4 | 606 | extern void release_value (struct value *val); |
c906108c | 607 | |
f23631e4 | 608 | extern int record_latest_value (struct value *val); |
c906108c | 609 | |
50810684 UW |
610 | extern void modify_field (struct type *type, gdb_byte *addr, |
611 | LONGEST fieldval, int bitpos, int bitsize); | |
c906108c | 612 | |
89f5065b AC |
613 | extern void type_print (struct type *type, char *varstring, |
614 | struct ui_file *stream, int show); | |
c906108c | 615 | |
ae6a3a4c TJB |
616 | extern char *type_to_string (struct type *type); |
617 | ||
fc1a4b47 AC |
618 | extern gdb_byte *baseclass_addr (struct type *type, int index, |
619 | gdb_byte *valaddr, | |
8929e59d | 620 | struct value **valuep, int *errp); |
c906108c | 621 | |
89f5065b | 622 | extern void print_longest (struct ui_file *stream, int format, |
d9fcf2fb | 623 | int use_local, LONGEST val); |
c906108c | 624 | |
fc1a4b47 | 625 | extern void print_floating (const gdb_byte *valaddr, struct type *type, |
89f5065b | 626 | struct ui_file *stream); |
c906108c | 627 | |
7678ef8f TJB |
628 | extern void print_decimal_floating (const gdb_byte *valaddr, struct type *type, |
629 | struct ui_file *stream); | |
630 | ||
79a45b7d TT |
631 | extern int value_print (struct value *val, struct ui_file *stream, |
632 | const struct value_print_options *options); | |
c906108c | 633 | |
f23631e4 AC |
634 | extern void value_print_array_elements (struct value *val, |
635 | struct ui_file *stream, int format, | |
d9fcf2fb | 636 | enum val_prettyprint pretty); |
c906108c | 637 | |
f23631e4 | 638 | extern struct value *value_release_to_mark (struct value *mark); |
c906108c | 639 | |
fc1a4b47 | 640 | extern int val_print (struct type *type, const gdb_byte *valaddr, |
d9fcf2fb | 641 | int embedded_offset, CORE_ADDR address, |
79a45b7d TT |
642 | struct ui_file *stream, int recurse, |
643 | const struct value_print_options *options, | |
d8ca156b | 644 | const struct language_defn *language); |
c906108c | 645 | |
806048c6 | 646 | extern int common_val_print (struct value *val, |
79a45b7d TT |
647 | struct ui_file *stream, int recurse, |
648 | const struct value_print_options *options, | |
d8ca156b | 649 | const struct language_defn *language); |
806048c6 | 650 | |
6c7a06a3 | 651 | extern int val_print_string (struct type *elttype, CORE_ADDR addr, int len, |
79a45b7d TT |
652 | struct ui_file *stream, |
653 | const struct value_print_options *options); | |
c906108c | 654 | |
aad95b57 TT |
655 | extern void print_variable_and_value (const char *name, |
656 | struct symbol *var, | |
657 | struct frame_info *frame, | |
658 | struct ui_file *stream, | |
659 | int indent); | |
c906108c | 660 | |
2b2d9e11 | 661 | extern int check_field (struct type *, const char *); |
c906108c | 662 | |
89f5065b AC |
663 | extern void typedef_print (struct type *type, struct symbol *news, |
664 | struct ui_file *stream); | |
c906108c | 665 | |
a14ed312 | 666 | extern char *internalvar_name (struct internalvar *var); |
c906108c | 667 | |
ae5a43e0 | 668 | extern void preserve_values (struct objfile *); |
c906108c SS |
669 | |
670 | /* From values.c */ | |
671 | ||
f23631e4 | 672 | extern struct value *value_copy (struct value *); |
c906108c | 673 | |
4e7a5ef5 TT |
674 | extern void preserve_one_value (struct value *, struct objfile *, htab_t); |
675 | ||
c906108c SS |
676 | /* From valops.c */ |
677 | ||
f23631e4 | 678 | extern struct value *varying_to_slice (struct value *); |
c906108c | 679 | |
f23631e4 | 680 | extern struct value *value_slice (struct value *, int, int); |
c906108c | 681 | |
f23631e4 AC |
682 | extern struct value *value_literal_complex (struct value *, struct value *, |
683 | struct type *); | |
c906108c | 684 | |
3e3b026f UW |
685 | extern struct value *find_function_in_inferior (const char *, |
686 | struct objfile **); | |
c906108c | 687 | |
f23631e4 | 688 | extern struct value *value_allocate_space_in_inferior (int); |
c906108c | 689 | |
d069f99d AF |
690 | extern struct value *value_of_local (const char *name, int complain); |
691 | ||
2497b498 UW |
692 | extern struct value *value_subscripted_rvalue (struct value *array, |
693 | LONGEST index, int lowerbound); | |
bc3b79fd TJB |
694 | |
695 | /* User function handler. */ | |
696 | ||
d452c4bc UW |
697 | typedef struct value *(*internal_function_fn) (struct gdbarch *gdbarch, |
698 | const struct language_defn *language, | |
699 | void *cookie, | |
bc3b79fd TJB |
700 | int argc, |
701 | struct value **argv); | |
702 | ||
703 | void add_internal_function (const char *name, const char *doc, | |
704 | internal_function_fn handler, | |
705 | void *cookie); | |
706 | ||
d452c4bc UW |
707 | struct value *call_internal_function (struct gdbarch *gdbarch, |
708 | const struct language_defn *language, | |
709 | struct value *function, | |
bc3b79fd TJB |
710 | int argc, struct value **argv); |
711 | ||
712 | char *value_internal_function_name (struct value *); | |
713 | ||
c5aa993b | 714 | #endif /* !defined (VALUE_H) */ |