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c906108c | 1 | /* Definitions for values of C expressions, for GDB. |
dea7f9ba | 2 | |
8acc9f48 | 3 | Copyright (C) 1986-2013 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #if !defined (VALUE_H) | |
21 | #define VALUE_H 1 | |
22 | ||
dea7f9ba | 23 | #include "doublest.h" |
1df6926e | 24 | #include "frame.h" /* For struct frame_id. */ |
dea7f9ba MK |
25 | |
26 | struct block; | |
da3331ec | 27 | struct expression; |
dea7f9ba | 28 | struct regcache; |
da3331ec AC |
29 | struct symbol; |
30 | struct type; | |
dea7f9ba | 31 | struct ui_file; |
d8ca156b | 32 | struct language_defn; |
79a45b7d | 33 | struct value_print_options; |
d16aafd8 | 34 | |
dea7f9ba MK |
35 | /* The structure which defines the type of a value. It should never |
36 | be possible for a program lval value to survive over a call to the | |
37 | inferior (i.e. to be put into the history list or an internal | |
38 | variable). */ | |
c906108c | 39 | |
91294c83 | 40 | struct value; |
c906108c | 41 | |
17cf0ecd | 42 | /* Values are stored in a chain, so that they can be deleted easily |
a08702d6 TJB |
43 | over calls to the inferior. Values assigned to internal variables, |
44 | put into the value history or exposed to Python are taken off this | |
45 | list. */ | |
91294c83 | 46 | |
17cf0ecd AC |
47 | struct value *value_next (struct value *); |
48 | ||
91294c83 AC |
49 | /* Type of the value. */ |
50 | ||
0e03807e | 51 | extern struct type *value_type (const struct value *); |
91294c83 | 52 | |
04624583 AC |
53 | /* This is being used to change the type of an existing value, that |
54 | code should instead be creating a new value with the changed type | |
55 | (but possibly shared content). */ | |
91294c83 | 56 | |
04624583 AC |
57 | extern void deprecated_set_value_type (struct value *value, |
58 | struct type *type); | |
91294c83 AC |
59 | |
60 | /* Only used for bitfields; number of bits contained in them. */ | |
61 | ||
0e03807e | 62 | extern int value_bitsize (const struct value *); |
9bbda503 | 63 | extern void set_value_bitsize (struct value *, int bit); |
91294c83 AC |
64 | |
65 | /* Only used for bitfields; position of start of field. For | |
32c9a795 MD |
66 | gdbarch_bits_big_endian=0 targets, it is the position of the LSB. For |
67 | gdbarch_bits_big_endian=1 targets, it is the position of the MSB. */ | |
91294c83 | 68 | |
0e03807e | 69 | extern int value_bitpos (const struct value *); |
9bbda503 | 70 | extern void set_value_bitpos (struct value *, int bit); |
f5cf64a7 | 71 | |
4ea48cc1 DJ |
72 | /* Only used for bitfields; the containing value. This allows a |
73 | single read from the target when displaying multiple | |
74 | bitfields. */ | |
75 | ||
76 | struct value *value_parent (struct value *); | |
53ba8333 | 77 | extern void set_value_parent (struct value *value, struct value *parent); |
4ea48cc1 | 78 | |
91294c83 AC |
79 | /* Describes offset of a value within lval of a structure in bytes. |
80 | If lval == lval_memory, this is an offset to the address. If lval | |
81 | == lval_register, this is a further offset from location.address | |
82 | within the registers structure. Note also the member | |
83 | embedded_offset below. */ | |
84 | ||
0e03807e | 85 | extern int value_offset (const struct value *); |
f5cf64a7 | 86 | extern void set_value_offset (struct value *, int offset); |
df407dfe | 87 | |
88e3b34b AC |
88 | /* The comment from "struct value" reads: ``Is it modifiable? Only |
89 | relevant if lval != not_lval.''. Shouldn't the value instead be | |
90 | not_lval and be done with it? */ | |
91294c83 | 91 | |
88e3b34b | 92 | extern int deprecated_value_modifiable (struct value *value); |
88e3b34b | 93 | |
91294c83 AC |
94 | /* If a value represents a C++ object, then the `type' field gives the |
95 | object's compile-time type. If the object actually belongs to some | |
96 | class derived from `type', perhaps with other base classes and | |
97 | additional members, then `type' is just a subobject of the real | |
98 | thing, and the full object is probably larger than `type' would | |
99 | suggest. | |
100 | ||
101 | If `type' is a dynamic class (i.e. one with a vtable), then GDB can | |
102 | actually determine the object's run-time type by looking at the | |
103 | run-time type information in the vtable. When this information is | |
104 | available, we may elect to read in the entire object, for several | |
105 | reasons: | |
106 | ||
107 | - When printing the value, the user would probably rather see the | |
108 | full object, not just the limited portion apparent from the | |
109 | compile-time type. | |
110 | ||
111 | - If `type' has virtual base classes, then even printing `type' | |
112 | alone may require reaching outside the `type' portion of the | |
113 | object to wherever the virtual base class has been stored. | |
114 | ||
115 | When we store the entire object, `enclosing_type' is the run-time | |
116 | type -- the complete object -- and `embedded_offset' is the offset | |
117 | of `type' within that larger type, in bytes. The value_contents() | |
118 | macro takes `embedded_offset' into account, so most GDB code | |
119 | continues to see the `type' portion of the value, just as the | |
120 | inferior would. | |
121 | ||
122 | If `type' is a pointer to an object, then `enclosing_type' is a | |
123 | pointer to the object's run-time type, and `pointed_to_offset' is | |
124 | the offset in bytes from the full object to the pointed-to object | |
125 | -- that is, the value `embedded_offset' would have if we followed | |
126 | the pointer and fetched the complete object. (I don't really see | |
127 | the point. Why not just determine the run-time type when you | |
128 | indirect, and avoid the special case? The contents don't matter | |
129 | until you indirect anyway.) | |
130 | ||
131 | If we're not doing anything fancy, `enclosing_type' is equal to | |
132 | `type', and `embedded_offset' is zero, so everything works | |
133 | normally. */ | |
134 | ||
4754a64e | 135 | extern struct type *value_enclosing_type (struct value *); |
4dfea560 DE |
136 | extern void set_value_enclosing_type (struct value *val, |
137 | struct type *new_type); | |
138 | ||
8264ba82 AG |
139 | /* Returns value_type or value_enclosing_type depending on |
140 | value_print_options.objectprint. | |
141 | ||
142 | If RESOLVE_SIMPLE_TYPES is 0 the enclosing type will be resolved | |
143 | only for pointers and references, else it will be returned | |
144 | for all the types (e.g. structures). This option is useful | |
145 | to prevent retrieving enclosing type for the base classes fields. | |
146 | ||
147 | REAL_TYPE_FOUND is used to inform whether the real type was found | |
148 | (or just static type was used). The NULL may be passed if it is not | |
149 | necessary. */ | |
150 | ||
151 | extern struct type *value_actual_type (struct value *value, | |
152 | int resolve_simple_types, | |
153 | int *real_type_found); | |
154 | ||
91294c83 AC |
155 | extern int value_pointed_to_offset (struct value *value); |
156 | extern void set_value_pointed_to_offset (struct value *value, int val); | |
157 | extern int value_embedded_offset (struct value *value); | |
158 | extern void set_value_embedded_offset (struct value *value, int val); | |
159 | ||
5f5233d4 PA |
160 | /* For lval_computed values, this structure holds functions used to |
161 | retrieve and set the value (or portions of the value). | |
162 | ||
163 | For each function, 'V' is the 'this' pointer: an lval_funcs | |
164 | function F may always assume that the V it receives is an | |
165 | lval_computed value, and has F in the appropriate slot of its | |
166 | lval_funcs structure. */ | |
167 | ||
168 | struct lval_funcs | |
169 | { | |
170 | /* Fill in VALUE's contents. This is used to "un-lazy" values. If | |
171 | a problem arises in obtaining VALUE's bits, this function should | |
ac71a68c JK |
172 | call 'error'. If it is NULL value_fetch_lazy on "un-lazy" |
173 | non-optimized-out value is an internal error. */ | |
5f5233d4 PA |
174 | void (*read) (struct value *v); |
175 | ||
176 | /* Handle an assignment TOVAL = FROMVAL by writing the value of | |
177 | FROMVAL to TOVAL's location. The contents of TOVAL have not yet | |
178 | been updated. If a problem arises in doing so, this function | |
ac71a68c JK |
179 | should call 'error'. If it is NULL such TOVAL assignment is an error as |
180 | TOVAL is not considered as an lvalue. */ | |
5f5233d4 PA |
181 | void (*write) (struct value *toval, struct value *fromval); |
182 | ||
0e03807e TT |
183 | /* Check the validity of some bits in VALUE. This should return 1 |
184 | if all the bits starting at OFFSET and extending for LENGTH bits | |
185 | are valid, or 0 if any bit is invalid. */ | |
186 | int (*check_validity) (const struct value *value, int offset, int length); | |
187 | ||
188 | /* Return 1 if any bit in VALUE is valid, 0 if they are all invalid. */ | |
b65c7efe | 189 | int (*check_any_valid) (const struct value *value); |
0e03807e | 190 | |
8cf6f0b1 TT |
191 | /* If non-NULL, this is used to implement pointer indirection for |
192 | this value. This method may return NULL, in which case value_ind | |
193 | will fall back to ordinary indirection. */ | |
194 | struct value *(*indirect) (struct value *value); | |
195 | ||
a471c594 JK |
196 | /* If non-NULL, this is used to implement reference resolving for |
197 | this value. This method may return NULL, in which case coerce_ref | |
198 | will fall back to ordinary references resolving. */ | |
199 | struct value *(*coerce_ref) (const struct value *value); | |
200 | ||
8cf6f0b1 TT |
201 | /* If non-NULL, this is used to determine whether the indicated bits |
202 | of VALUE are a synthetic pointer. */ | |
203 | int (*check_synthetic_pointer) (const struct value *value, | |
204 | int offset, int length); | |
205 | ||
5f5233d4 PA |
206 | /* Return a duplicate of VALUE's closure, for use in a new value. |
207 | This may simply return the same closure, if VALUE's is | |
208 | reference-counted or statically allocated. | |
209 | ||
210 | This may be NULL, in which case VALUE's closure is re-used in the | |
211 | new value. */ | |
0e03807e | 212 | void *(*copy_closure) (const struct value *v); |
5f5233d4 PA |
213 | |
214 | /* Drop VALUE's reference to its closure. Maybe this frees the | |
215 | closure; maybe this decrements a reference count; maybe the | |
216 | closure is statically allocated and this does nothing. | |
217 | ||
218 | This may be NULL, in which case no action is taken to free | |
219 | VALUE's closure. */ | |
220 | void (*free_closure) (struct value *v); | |
221 | }; | |
222 | ||
223 | /* Create a computed lvalue, with type TYPE, function pointers FUNCS, | |
224 | and closure CLOSURE. */ | |
225 | ||
226 | extern struct value *allocate_computed_value (struct type *type, | |
c8f2448a JK |
227 | const struct lval_funcs *funcs, |
228 | void *closure); | |
5f5233d4 | 229 | |
a72c8f6a JK |
230 | /* Helper function to check the validity of some bits of a value. |
231 | ||
232 | If TYPE represents some aggregate type (e.g., a structure), return 1. | |
233 | ||
234 | Otherwise, any of the bytes starting at OFFSET and extending for | |
235 | TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and | |
236 | return 0. The checking is done using FUNCS. | |
237 | ||
238 | Otherwise, return 1. */ | |
239 | ||
240 | extern int valprint_check_validity (struct ui_file *stream, struct type *type, | |
241 | int embedded_offset, | |
242 | const struct value *val); | |
243 | ||
a7035dbb JK |
244 | extern struct value *allocate_optimized_out_value (struct type *type); |
245 | ||
5f5233d4 PA |
246 | /* If VALUE is lval_computed, return its lval_funcs structure. */ |
247 | ||
a471c594 | 248 | extern const struct lval_funcs *value_computed_funcs (const struct value *); |
5f5233d4 PA |
249 | |
250 | /* If VALUE is lval_computed, return its closure. The meaning of the | |
251 | returned value depends on the functions VALUE uses. */ | |
252 | ||
0e03807e | 253 | extern void *value_computed_closure (const struct value *value); |
5f5233d4 | 254 | |
91294c83 | 255 | /* If zero, contents of this value are in the contents field. If |
9214ee5f DJ |
256 | nonzero, contents are in inferior. If the lval field is lval_memory, |
257 | the contents are in inferior memory at location.address plus offset. | |
258 | The lval field may also be lval_register. | |
91294c83 AC |
259 | |
260 | WARNING: This field is used by the code which handles watchpoints | |
261 | (see breakpoint.c) to decide whether a particular value can be | |
262 | watched by hardware watchpoints. If the lazy flag is set for some | |
263 | member of a value chain, it is assumed that this member of the | |
264 | chain doesn't need to be watched as part of watching the value | |
265 | itself. This is how GDB avoids watching the entire struct or array | |
266 | when the user wants to watch a single struct member or array | |
267 | element. If you ever change the way lazy flag is set and reset, be | |
268 | sure to consider this use as well! */ | |
269 | ||
d69fe07e | 270 | extern int value_lazy (struct value *); |
dfa52d88 | 271 | extern void set_value_lazy (struct value *value, int val); |
dea7f9ba | 272 | |
4e5d721f DE |
273 | extern int value_stack (struct value *); |
274 | extern void set_value_stack (struct value *value, int val); | |
275 | ||
0fd88904 AC |
276 | /* value_contents() and value_contents_raw() both return the address |
277 | of the gdb buffer used to hold a copy of the contents of the lval. | |
278 | value_contents() is used when the contents of the buffer are needed | |
dea7f9ba | 279 | -- it uses value_fetch_lazy() to load the buffer from the process |
0fd88904 AC |
280 | being debugged if it hasn't already been loaded |
281 | (value_contents_writeable() is used when a writeable but fetched | |
282 | buffer is required).. value_contents_raw() is used when data is | |
283 | being stored into the buffer, or when it is certain that the | |
284 | contents of the buffer are valid. | |
dea7f9ba | 285 | |
c906108c SS |
286 | Note: The contents pointer is adjusted by the offset required to |
287 | get to the real subobject, if the value happens to represent | |
dea7f9ba | 288 | something embedded in a larger run-time object. */ |
c906108c | 289 | |
fc1a4b47 | 290 | extern gdb_byte *value_contents_raw (struct value *); |
91294c83 AC |
291 | |
292 | /* Actual contents of the value. For use of this value; setting it | |
293 | uses the stuff above. Not valid if lazy is nonzero. Target | |
294 | byte-order. We force it to be aligned properly for any possible | |
295 | value. Note that a value therefore extends beyond what is | |
296 | declared here. */ | |
297 | ||
fc1a4b47 AC |
298 | extern const gdb_byte *value_contents (struct value *); |
299 | extern gdb_byte *value_contents_writeable (struct value *); | |
c906108c SS |
300 | |
301 | /* The ALL variants of the above two macros do not adjust the returned | |
dea7f9ba | 302 | pointer by the embedded_offset value. */ |
c5aa993b | 303 | |
fc1a4b47 AC |
304 | extern gdb_byte *value_contents_all_raw (struct value *); |
305 | extern const gdb_byte *value_contents_all (struct value *); | |
c5aa993b | 306 | |
0e03807e TT |
307 | /* Like value_contents_all, but does not require that the returned |
308 | bits be valid. This should only be used in situations where you | |
309 | plan to check the validity manually. */ | |
310 | extern const gdb_byte *value_contents_for_printing (struct value *value); | |
311 | ||
de4127a3 PA |
312 | /* Like value_contents_for_printing, but accepts a constant value |
313 | pointer. Unlike value_contents_for_printing however, the pointed | |
314 | value must _not_ be lazy. */ | |
315 | extern const gdb_byte * | |
316 | value_contents_for_printing_const (const struct value *value); | |
317 | ||
f23631e4 | 318 | extern int value_fetch_lazy (struct value *val); |
a6c442d8 | 319 | extern int value_contents_equal (struct value *val1, struct value *val2); |
c906108c | 320 | |
91294c83 | 321 | /* If nonzero, this is the value of a variable which does not actually |
eca07816 JB |
322 | exist in the program, at least partially. If the value is lazy, |
323 | this may fetch it now. */ | |
feb13ab0 AC |
324 | extern int value_optimized_out (struct value *value); |
325 | extern void set_value_optimized_out (struct value *value, int val); | |
c906108c | 326 | |
eca07816 JB |
327 | /* Like value_optimized_out, but don't fetch the value even if it is |
328 | lazy. Mainly useful for constructing other values using VALUE as | |
329 | template. */ | |
330 | extern int value_optimized_out_const (const struct value *value); | |
331 | ||
0e03807e TT |
332 | /* Like value_optimized_out, but return false if any bit in the object |
333 | is valid. */ | |
334 | extern int value_entirely_optimized_out (const struct value *value); | |
335 | ||
f372da99 | 336 | /* Set or return field indicating whether a variable is initialized or |
581e13c1 | 337 | not, based on debugging information supplied by the compiler. |
f372da99 CT |
338 | 1 = initialized; 0 = uninitialized. */ |
339 | extern int value_initialized (struct value *); | |
340 | extern void set_value_initialized (struct value *, int); | |
341 | ||
74bcbdf3 PA |
342 | /* Set COMPONENT's location as appropriate for a component of WHOLE |
343 | --- regardless of what kind of lvalue WHOLE is. */ | |
344 | extern void set_value_component_location (struct value *component, | |
0e03807e | 345 | const struct value *whole); |
74bcbdf3 | 346 | |
13bb5560 AC |
347 | /* While the following fields are per- VALUE .CONTENT .PIECE (i.e., a |
348 | single value might have multiple LVALs), this hacked interface is | |
349 | limited to just the first PIECE. Expect further change. */ | |
91294c83 AC |
350 | /* Type of value; either not an lval, or one of the various different |
351 | possible kinds of lval. */ | |
13bb5560 AC |
352 | extern enum lval_type *deprecated_value_lval_hack (struct value *); |
353 | #define VALUE_LVAL(val) (*deprecated_value_lval_hack (val)) | |
91294c83 | 354 | |
a471c594 JK |
355 | /* Like VALUE_LVAL, except the parameter can be const. */ |
356 | extern enum lval_type value_lval_const (const struct value *value); | |
357 | ||
42ae5230 TT |
358 | /* If lval == lval_memory, return the address in the inferior. If |
359 | lval == lval_register, return the byte offset into the registers | |
360 | structure. Otherwise, return 0. The returned address | |
361 | includes the offset, if any. */ | |
de4127a3 | 362 | extern CORE_ADDR value_address (const struct value *); |
42ae5230 TT |
363 | |
364 | /* Like value_address, except the result does not include value's | |
365 | offset. */ | |
366 | extern CORE_ADDR value_raw_address (struct value *); | |
367 | ||
368 | /* Set the address of a value. */ | |
369 | extern void set_value_address (struct value *, CORE_ADDR); | |
91294c83 AC |
370 | |
371 | /* Pointer to internal variable. */ | |
13bb5560 AC |
372 | extern struct internalvar **deprecated_value_internalvar_hack (struct value *); |
373 | #define VALUE_INTERNALVAR(val) (*deprecated_value_internalvar_hack (val)) | |
91294c83 AC |
374 | |
375 | /* Frame register value is relative to. This will be described in the | |
376 | lval enum above as "lval_register". */ | |
13bb5560 AC |
377 | extern struct frame_id *deprecated_value_frame_id_hack (struct value *); |
378 | #define VALUE_FRAME_ID(val) (*deprecated_value_frame_id_hack (val)) | |
91294c83 AC |
379 | |
380 | /* Register number if the value is from a register. */ | |
13bb5560 AC |
381 | extern short *deprecated_value_regnum_hack (struct value *); |
382 | #define VALUE_REGNUM(val) (*deprecated_value_regnum_hack (val)) | |
383 | ||
a471c594 JK |
384 | /* Return value after lval_funcs->coerce_ref (after check_typedef). Return |
385 | NULL if lval_funcs->coerce_ref is not applicable for whatever reason. */ | |
386 | ||
387 | extern struct value *coerce_ref_if_computed (const struct value *arg); | |
388 | ||
dfcee124 AG |
389 | /* Setup a new value type and enclosing value type for dereferenced value VALUE. |
390 | ENC_TYPE is the new enclosing type that should be set. ORIGINAL_TYPE and | |
391 | ORIGINAL_VAL are the type and value of the original reference or pointer. | |
392 | ||
393 | Note, that VALUE is modified by this function. | |
394 | ||
395 | It is a common implementation for coerce_ref and value_ind. */ | |
396 | ||
397 | extern struct value * readjust_indirect_value_type (struct value *value, | |
398 | struct type *enc_type, | |
399 | struct type *original_type, | |
400 | struct value *original_val); | |
401 | ||
dea7f9ba | 402 | /* Convert a REF to the object referenced. */ |
c906108c | 403 | |
994b9211 | 404 | extern struct value *coerce_ref (struct value *value); |
c906108c SS |
405 | |
406 | /* If ARG is an array, convert it to a pointer. | |
c906108c SS |
407 | If ARG is a function, convert it to a function pointer. |
408 | ||
409 | References are dereferenced. */ | |
410 | ||
994b9211 | 411 | extern struct value *coerce_array (struct value *value); |
c906108c | 412 | |
0e03807e TT |
413 | /* Given a value, determine whether the bits starting at OFFSET and |
414 | extending for LENGTH bits are valid. This returns nonzero if all | |
415 | bits in the given range are valid, zero if any bit is invalid. */ | |
416 | ||
417 | extern int value_bits_valid (const struct value *value, | |
418 | int offset, int length); | |
419 | ||
8cf6f0b1 TT |
420 | /* Given a value, determine whether the bits starting at OFFSET and |
421 | extending for LENGTH bits are a synthetic pointer. */ | |
422 | ||
423 | extern int value_bits_synthetic_pointer (const struct value *value, | |
424 | int offset, int length); | |
425 | ||
4e07d55f PA |
426 | /* Given a value, determine whether the contents bytes starting at |
427 | OFFSET and extending for LENGTH bytes are available. This returns | |
428 | nonzero if all bytes in the given range are available, zero if any | |
429 | byte is unavailable. */ | |
430 | ||
431 | extern int value_bytes_available (const struct value *value, | |
432 | int offset, int length); | |
433 | ||
ec0a52e1 PA |
434 | /* Like value_bytes_available, but return false if any byte in the |
435 | whole object is unavailable. */ | |
436 | extern int value_entirely_available (struct value *value); | |
437 | ||
4e07d55f PA |
438 | /* Mark VALUE's content bytes starting at OFFSET and extending for |
439 | LENGTH bytes as unavailable. */ | |
440 | ||
441 | extern void mark_value_bytes_unavailable (struct value *value, | |
442 | int offset, int length); | |
c8c1c22f PA |
443 | |
444 | /* Compare LENGTH bytes of VAL1's contents starting at OFFSET1 with | |
cd24cfaa PA |
445 | LENGTH bytes of VAL2's contents starting at OFFSET2. |
446 | ||
447 | Note that "contents" refers to the whole value's contents | |
448 | (value_contents_all), without any embedded offset adjustment. For | |
449 | example, to compare a complete object value with itself, including | |
450 | its enclosing type chunk, you'd do: | |
451 | ||
452 | int len = TYPE_LENGTH (check_typedef (value_enclosing_type (val))); | |
453 | value_available_contents (val, 0, val, 0, len); | |
454 | ||
455 | Returns true iff the set of available contents match. Unavailable | |
456 | contents compare equal with unavailable contents, and different | |
457 | with any available byte. For example, if 'x's represent an | |
458 | unavailable byte, and 'V' and 'Z' represent different available | |
459 | bytes, in a value with length 16: | |
c8c1c22f PA |
460 | |
461 | offset: 0 4 8 12 16 | |
462 | contents: xxxxVVVVxxxxVVZZ | |
463 | ||
464 | then: | |
465 | ||
466 | value_available_contents_eq(val, 0, val, 8, 6) => 1 | |
467 | value_available_contents_eq(val, 0, val, 4, 4) => 1 | |
468 | value_available_contents_eq(val, 0, val, 8, 8) => 0 | |
469 | value_available_contents_eq(val, 4, val, 12, 2) => 1 | |
470 | value_available_contents_eq(val, 4, val, 12, 4) => 0 | |
471 | value_available_contents_eq(val, 3, val, 4, 4) => 0 | |
4eb59108 PA |
472 | |
473 | We only know whether a value chunk is available if we've tried to | |
474 | read it. As this routine is used by printing routines, which may | |
475 | be printing values in the value history, long after the inferior is | |
476 | gone, it works with const values. Therefore, this routine must not | |
477 | be called with lazy values. */ | |
c8c1c22f PA |
478 | |
479 | extern int value_available_contents_eq (const struct value *val1, int offset1, | |
480 | const struct value *val2, int offset2, | |
481 | int length); | |
4e07d55f | 482 | |
e6ca34fc PA |
483 | /* Read LENGTH bytes of memory starting at MEMADDR into BUFFER, which |
484 | is (or will be copied to) VAL's contents buffer offset by | |
485 | EMBEDDED_OFFSET (that is, to &VAL->contents[EMBEDDED_OFFSET]). | |
486 | Marks value contents ranges as unavailable if the corresponding | |
487 | memory is likewise unavailable. STACK indicates whether the memory | |
488 | is known to be stack memory. */ | |
489 | ||
424447ee | 490 | extern void read_value_memory (struct value *val, int embedded_offset, |
e6ca34fc PA |
491 | int stack, CORE_ADDR memaddr, |
492 | gdb_byte *buffer, size_t length); | |
493 | ||
8954db33 AB |
494 | /* Cast SCALAR_VALUE to the element type of VECTOR_TYPE, then replicate |
495 | into each element of a new vector value with VECTOR_TYPE. */ | |
496 | ||
497 | struct value *value_vector_widen (struct value *scalar_value, | |
498 | struct type *vector_type); | |
499 | ||
c906108c | 500 | \f |
c5aa993b | 501 | |
c906108c SS |
502 | #include "symtab.h" |
503 | #include "gdbtypes.h" | |
504 | #include "expression.h" | |
505 | ||
c906108c SS |
506 | struct frame_info; |
507 | struct fn_field; | |
c906108c | 508 | |
9cb709b6 TT |
509 | extern int print_address_demangle (const struct value_print_options *, |
510 | struct gdbarch *, CORE_ADDR, | |
511 | struct ui_file *, int); | |
c906108c | 512 | |
f23631e4 | 513 | extern LONGEST value_as_long (struct value *val); |
f23631e4 | 514 | extern DOUBLEST value_as_double (struct value *val); |
f23631e4 | 515 | extern CORE_ADDR value_as_address (struct value *val); |
c906108c | 516 | |
fc1a4b47 AC |
517 | extern LONGEST unpack_long (struct type *type, const gdb_byte *valaddr); |
518 | extern DOUBLEST unpack_double (struct type *type, const gdb_byte *valaddr, | |
66140c26 | 519 | int *invp); |
fc1a4b47 | 520 | extern CORE_ADDR unpack_pointer (struct type *type, const gdb_byte *valaddr); |
5467c6c8 PA |
521 | |
522 | extern int unpack_value_bits_as_long (struct type *field_type, | |
523 | const gdb_byte *valaddr, | |
524 | int embedded_offset, int bitpos, | |
525 | int bitsize, | |
526 | const struct value *original_value, | |
527 | LONGEST *result); | |
528 | ||
8929e59d | 529 | extern LONGEST unpack_field_as_long (struct type *type, |
fc1a4b47 | 530 | const gdb_byte *valaddr, |
a14ed312 | 531 | int fieldno); |
5467c6c8 PA |
532 | extern int unpack_value_field_as_long (struct type *type, const gdb_byte *valaddr, |
533 | int embedded_offset, int fieldno, | |
534 | const struct value *val, LONGEST *result); | |
535 | ||
536 | extern struct value *value_field_bitfield (struct type *type, int fieldno, | |
537 | const gdb_byte *valaddr, | |
538 | int embedded_offset, | |
539 | const struct value *val); | |
c906108c | 540 | |
14d06750 DJ |
541 | extern void pack_long (gdb_byte *buf, struct type *type, LONGEST num); |
542 | ||
f23631e4 | 543 | extern struct value *value_from_longest (struct type *type, LONGEST num); |
595939de | 544 | extern struct value *value_from_ulongest (struct type *type, ULONGEST num); |
f23631e4 | 545 | extern struct value *value_from_pointer (struct type *type, CORE_ADDR addr); |
f23631e4 | 546 | extern struct value *value_from_double (struct type *type, DOUBLEST num); |
4ef30785 TJB |
547 | extern struct value *value_from_decfloat (struct type *type, |
548 | const gdb_byte *decbytes); | |
3bd0f5ef | 549 | extern struct value *value_from_history_ref (char *, char **); |
0f71a2f6 | 550 | |
00a4c844 AC |
551 | extern struct value *value_at (struct type *type, CORE_ADDR addr); |
552 | extern struct value *value_at_lazy (struct type *type, CORE_ADDR addr); | |
c906108c | 553 | |
8acb6b92 TT |
554 | extern struct value *value_from_contents_and_address (struct type *, |
555 | const gdb_byte *, | |
556 | CORE_ADDR); | |
8a9b8146 | 557 | extern struct value *value_from_contents (struct type *, const gdb_byte *); |
8acb6b92 | 558 | |
9acbedc0 UW |
559 | extern struct value *default_value_from_register (struct type *type, |
560 | int regnum, | |
561 | struct frame_info *frame); | |
562 | ||
b56d6f31 JB |
563 | extern void read_frame_register_value (struct value *value, |
564 | struct frame_info *frame); | |
565 | ||
f23631e4 AC |
566 | extern struct value *value_from_register (struct type *type, int regnum, |
567 | struct frame_info *frame); | |
c906108c | 568 | |
0b2b0195 UW |
569 | extern CORE_ADDR address_from_register (struct type *type, int regnum, |
570 | struct frame_info *frame); | |
571 | ||
9df2fbc4 PM |
572 | extern struct value *value_of_variable (struct symbol *var, |
573 | const struct block *b); | |
c906108c | 574 | |
270140bd TT |
575 | extern struct value *address_of_variable (struct symbol *var, |
576 | const struct block *b); | |
61212c0f | 577 | |
89f5065b | 578 | extern struct value *value_of_register (int regnum, struct frame_info *frame); |
c906108c | 579 | |
9214ee5f DJ |
580 | struct value *value_of_register_lazy (struct frame_info *frame, int regnum); |
581 | ||
a14ed312 | 582 | extern int symbol_read_needs_frame (struct symbol *); |
c906108c | 583 | |
f23631e4 AC |
584 | extern struct value *read_var_value (struct symbol *var, |
585 | struct frame_info *frame); | |
c906108c | 586 | |
a5ee536b JB |
587 | extern struct value *default_read_var_value (struct symbol *var, |
588 | struct frame_info *frame); | |
589 | ||
f23631e4 | 590 | extern struct value *allocate_value (struct type *type); |
3e3d7139 JG |
591 | extern struct value *allocate_value_lazy (struct type *type); |
592 | extern void allocate_value_contents (struct value *value); | |
39d37385 PA |
593 | extern void value_contents_copy (struct value *dst, int dst_offset, |
594 | struct value *src, int src_offset, | |
595 | int length); | |
596 | extern void value_contents_copy_raw (struct value *dst, int dst_offset, | |
597 | struct value *src, int src_offset, | |
598 | int length); | |
c906108c | 599 | |
f23631e4 | 600 | extern struct value *allocate_repeat_value (struct type *type, int count); |
c906108c | 601 | |
f23631e4 | 602 | extern struct value *value_mark (void); |
c906108c | 603 | |
f23631e4 | 604 | extern void value_free_to_mark (struct value *mark); |
c906108c | 605 | |
63375b74 | 606 | extern struct value *value_cstring (char *ptr, ssize_t len, |
3b7538c0 | 607 | struct type *char_type); |
63375b74 | 608 | extern struct value *value_string (char *ptr, ssize_t len, |
3b7538c0 | 609 | struct type *char_type); |
c906108c | 610 | |
f23631e4 | 611 | extern struct value *value_array (int lowbound, int highbound, |
89f5065b | 612 | struct value **elemvec); |
c906108c | 613 | |
f23631e4 | 614 | extern struct value *value_concat (struct value *arg1, struct value *arg2); |
c906108c | 615 | |
f23631e4 AC |
616 | extern struct value *value_binop (struct value *arg1, struct value *arg2, |
617 | enum exp_opcode op); | |
c906108c | 618 | |
2497b498 | 619 | extern struct value *value_ptradd (struct value *arg1, LONGEST arg2); |
89eef114 UW |
620 | |
621 | extern LONGEST value_ptrdiff (struct value *arg1, struct value *arg2); | |
c906108c | 622 | |
63092375 DJ |
623 | extern int value_must_coerce_to_target (struct value *arg1); |
624 | ||
625 | extern struct value *value_coerce_to_target (struct value *arg1); | |
626 | ||
f23631e4 | 627 | extern struct value *value_coerce_array (struct value *arg1); |
c906108c | 628 | |
f23631e4 | 629 | extern struct value *value_coerce_function (struct value *arg1); |
c906108c | 630 | |
f23631e4 | 631 | extern struct value *value_ind (struct value *arg1); |
c906108c | 632 | |
f23631e4 | 633 | extern struct value *value_addr (struct value *arg1); |
c906108c | 634 | |
fb933624 DJ |
635 | extern struct value *value_ref (struct value *arg1); |
636 | ||
89f5065b AC |
637 | extern struct value *value_assign (struct value *toval, |
638 | struct value *fromval); | |
c906108c | 639 | |
36e9969c NS |
640 | extern struct value *value_pos (struct value *arg1); |
641 | ||
f23631e4 | 642 | extern struct value *value_neg (struct value *arg1); |
c906108c | 643 | |
f23631e4 | 644 | extern struct value *value_complement (struct value *arg1); |
c906108c | 645 | |
f23631e4 AC |
646 | extern struct value *value_struct_elt (struct value **argp, |
647 | struct value **args, | |
714f19d5 TT |
648 | const char *name, int *static_memfuncp, |
649 | const char *err); | |
c906108c | 650 | |
79c2c32d | 651 | extern struct value *value_aggregate_elt (struct type *curtype, |
0d5de010 | 652 | char *name, |
072bba3b | 653 | struct type *expect_type, |
0d5de010 DJ |
654 | int want_address, |
655 | enum noside noside); | |
c906108c | 656 | |
f23631e4 | 657 | extern struct value *value_static_field (struct type *type, int fieldno); |
c906108c | 658 | |
4c3376c8 SW |
659 | enum oload_search_type { NON_METHOD, METHOD, BOTH }; |
660 | ||
da096638 | 661 | extern int find_overload_match (struct value **args, int nargs, |
4c3376c8 | 662 | const char *name, |
28c64fc2 | 663 | enum oload_search_type method, |
7f8c9282 | 664 | struct value **objp, struct symbol *fsym, |
f23631e4 | 665 | struct value **valp, struct symbol **symp, |
7322dca9 | 666 | int *staticp, const int no_adl); |
c906108c | 667 | |
f23631e4 | 668 | extern struct value *value_field (struct value *arg1, int fieldno); |
c906108c | 669 | |
f23631e4 AC |
670 | extern struct value *value_primitive_field (struct value *arg1, int offset, |
671 | int fieldno, | |
672 | struct type *arg_type); | |
c906108c | 673 | |
c906108c | 674 | |
dfcee124 AG |
675 | extern struct type *value_rtti_indirect_type (struct value *, int *, int *, |
676 | int *); | |
c906108c | 677 | |
f23631e4 AC |
678 | extern struct value *value_full_object (struct value *, struct type *, int, |
679 | int, int); | |
c906108c | 680 | |
b1af9e97 | 681 | extern struct value *value_cast_pointers (struct type *, struct value *, int); |
fb933624 | 682 | |
f23631e4 | 683 | extern struct value *value_cast (struct type *type, struct value *arg2); |
c906108c | 684 | |
4e8f195d TT |
685 | extern struct value *value_reinterpret_cast (struct type *type, |
686 | struct value *arg); | |
687 | ||
688 | extern struct value *value_dynamic_cast (struct type *type, struct value *arg); | |
689 | ||
f23631e4 | 690 | extern struct value *value_zero (struct type *type, enum lval_type lv); |
c906108c | 691 | |
18a46dbe | 692 | extern struct value *value_one (struct type *type); |
301f0ecf | 693 | |
f23631e4 | 694 | extern struct value *value_repeat (struct value *arg1, int count); |
c906108c | 695 | |
2497b498 | 696 | extern struct value *value_subscript (struct value *array, LONGEST index); |
c906108c | 697 | |
afc05acb UW |
698 | extern struct value *value_bitstring_subscript (struct type *type, |
699 | struct value *bitstring, | |
2497b498 | 700 | LONGEST index); |
afc05acb | 701 | |
5fe830e4 AC |
702 | extern struct value *register_value_being_returned (struct type *valtype, |
703 | struct regcache *retbuf); | |
c906108c | 704 | |
fbb06eb1 | 705 | extern int value_in (struct value *element, struct value *set); |
c906108c | 706 | |
fc1a4b47 | 707 | extern int value_bit_index (struct type *type, const gdb_byte *addr, |
c84141d6 | 708 | int index); |
c906108c | 709 | |
bbfdfe1c DM |
710 | extern enum return_value_convention |
711 | struct_return_convention (struct gdbarch *gdbarch, struct value *function, | |
712 | struct type *value_type); | |
713 | ||
d80b854b | 714 | extern int using_struct_return (struct gdbarch *gdbarch, |
6a3a010b | 715 | struct value *function, |
c055b101 | 716 | struct type *value_type); |
c906108c | 717 | |
f23631e4 | 718 | extern struct value *evaluate_expression (struct expression *exp); |
c906108c | 719 | |
f23631e4 | 720 | extern struct value *evaluate_type (struct expression *exp); |
c906108c | 721 | |
4b27a620 JB |
722 | extern struct value *evaluate_subexp (struct type *expect_type, |
723 | struct expression *exp, | |
724 | int *pos, enum noside noside); | |
725 | ||
65d12d83 TT |
726 | extern struct value *evaluate_subexpression_type (struct expression *exp, |
727 | int subexp); | |
728 | ||
0cf6dd15 TJB |
729 | extern void fetch_subexp_value (struct expression *exp, int *pc, |
730 | struct value **valp, struct value **resultp, | |
3a1115a0 TT |
731 | struct value **val_chain, |
732 | int preserve_errors); | |
0cf6dd15 | 733 | |
65d12d83 TT |
734 | extern char *extract_field_op (struct expression *exp, int *subexp); |
735 | ||
f23631e4 AC |
736 | extern struct value *evaluate_subexp_with_coercion (struct expression *, |
737 | int *, enum noside); | |
c906108c | 738 | |
bbc13ae3 | 739 | extern struct value *parse_and_eval (const char *exp); |
c906108c | 740 | |
bbc13ae3 | 741 | extern struct value *parse_to_comma_and_eval (const char **expp); |
c906108c | 742 | |
a14ed312 | 743 | extern struct type *parse_and_eval_type (char *p, int length); |
c906108c | 744 | |
bbc13ae3 | 745 | extern CORE_ADDR parse_and_eval_address (const char *exp); |
c906108c | 746 | |
a1b8c4cc | 747 | extern LONGEST parse_and_eval_long (const char *exp); |
bb518678 | 748 | |
4066e646 UW |
749 | extern void unop_promote (const struct language_defn *language, |
750 | struct gdbarch *gdbarch, | |
751 | struct value **arg1); | |
752 | ||
753 | extern void binop_promote (const struct language_defn *language, | |
754 | struct gdbarch *gdbarch, | |
755 | struct value **arg1, struct value **arg2); | |
756 | ||
f23631e4 | 757 | extern struct value *access_value_history (int num); |
c906108c | 758 | |
78267919 UW |
759 | extern struct value *value_of_internalvar (struct gdbarch *gdbarch, |
760 | struct internalvar *var); | |
c906108c | 761 | |
4fa62494 UW |
762 | extern int get_internalvar_integer (struct internalvar *var, LONGEST *l); |
763 | ||
f23631e4 | 764 | extern void set_internalvar (struct internalvar *var, struct value *val); |
c906108c | 765 | |
4fa62494 UW |
766 | extern void set_internalvar_integer (struct internalvar *var, LONGEST l); |
767 | ||
78267919 UW |
768 | extern void set_internalvar_string (struct internalvar *var, |
769 | const char *string); | |
770 | ||
4fa62494 UW |
771 | extern void clear_internalvar (struct internalvar *var); |
772 | ||
a14ed312 KB |
773 | extern void set_internalvar_component (struct internalvar *var, |
774 | int offset, | |
775 | int bitpos, int bitsize, | |
f23631e4 | 776 | struct value *newvalue); |
c906108c | 777 | |
bc3b79fd | 778 | extern struct internalvar *lookup_only_internalvar (const char *name); |
c4a3d09a | 779 | |
bc3b79fd | 780 | extern struct internalvar *create_internalvar (const char *name); |
c4a3d09a | 781 | |
d55637df TT |
782 | extern VEC (char_ptr) *complete_internalvar (const char *name); |
783 | ||
22d2b532 SDJ |
784 | /* An internalvar can be dynamically computed by supplying a vector of |
785 | function pointers to perform various operations. */ | |
786 | ||
787 | struct internalvar_funcs | |
788 | { | |
789 | /* Compute the value of the variable. The DATA argument passed to | |
790 | the function is the same argument that was passed to | |
791 | `create_internalvar_type_lazy'. */ | |
792 | ||
793 | struct value *(*make_value) (struct gdbarch *arch, | |
794 | struct internalvar *var, | |
795 | void *data); | |
796 | ||
797 | /* Update the agent expression EXPR with bytecode to compute the | |
798 | value. VALUE is the agent value we are updating. The DATA | |
799 | argument passed to this function is the same argument that was | |
800 | passed to `create_internalvar_type_lazy'. If this pointer is | |
801 | NULL, then the internalvar cannot be compiled to an agent | |
802 | expression. */ | |
803 | ||
804 | void (*compile_to_ax) (struct internalvar *var, | |
805 | struct agent_expr *expr, | |
806 | struct axs_value *value, | |
807 | void *data); | |
808 | ||
809 | /* If non-NULL, this is called to destroy DATA. The DATA argument | |
810 | passed to this function is the same argument that was passed to | |
811 | `create_internalvar_type_lazy'. */ | |
812 | ||
813 | void (*destroy) (void *data); | |
814 | }; | |
815 | ||
4aa995e1 | 816 | extern struct internalvar * |
22d2b532 SDJ |
817 | create_internalvar_type_lazy (const char *name, |
818 | const struct internalvar_funcs *funcs, | |
819 | void *data); | |
820 | ||
821 | /* Compile an internal variable to an agent expression. VAR is the | |
822 | variable to compile; EXPR and VALUE are the agent expression we are | |
823 | updating. This will return 0 if there is no known way to compile | |
824 | VAR, and 1 if VAR was successfully compiled. It may also throw an | |
825 | exception on error. */ | |
826 | ||
827 | extern int compile_internalvar_to_ax (struct internalvar *var, | |
828 | struct agent_expr *expr, | |
829 | struct axs_value *value); | |
4aa995e1 | 830 | |
bc3b79fd | 831 | extern struct internalvar *lookup_internalvar (const char *name); |
c906108c | 832 | |
f23631e4 | 833 | extern int value_equal (struct value *arg1, struct value *arg2); |
c906108c | 834 | |
218d2fc6 TJB |
835 | extern int value_equal_contents (struct value *arg1, struct value *arg2); |
836 | ||
f23631e4 | 837 | extern int value_less (struct value *arg1, struct value *arg2); |
c906108c | 838 | |
f23631e4 | 839 | extern int value_logical_not (struct value *arg1); |
c906108c SS |
840 | |
841 | /* C++ */ | |
842 | ||
85bc8cb7 JK |
843 | extern struct value *value_of_this (const struct language_defn *lang); |
844 | ||
845 | extern struct value *value_of_this_silent (const struct language_defn *lang); | |
c906108c | 846 | |
f23631e4 AC |
847 | extern struct value *value_x_binop (struct value *arg1, struct value *arg2, |
848 | enum exp_opcode op, | |
849 | enum exp_opcode otherop, | |
850 | enum noside noside); | |
c906108c | 851 | |
f23631e4 AC |
852 | extern struct value *value_x_unop (struct value *arg1, enum exp_opcode op, |
853 | enum noside noside); | |
c906108c | 854 | |
89f5065b | 855 | extern struct value *value_fn_field (struct value **arg1p, struct fn_field *f, |
f23631e4 | 856 | int j, struct type *type, int offset); |
c906108c | 857 | |
be636754 PA |
858 | extern int binop_types_user_defined_p (enum exp_opcode op, |
859 | struct type *type1, | |
860 | struct type *type2); | |
861 | ||
f23631e4 AC |
862 | extern int binop_user_defined_p (enum exp_opcode op, struct value *arg1, |
863 | struct value *arg2); | |
c906108c | 864 | |
f23631e4 | 865 | extern int unop_user_defined_p (enum exp_opcode op, struct value *arg1); |
c906108c | 866 | |
d8228535 | 867 | extern int destructor_name_p (const char *name, struct type *type); |
c906108c | 868 | |
828d3400 DJ |
869 | extern void value_incref (struct value *val); |
870 | ||
3e3d7139 | 871 | extern void value_free (struct value *val); |
c906108c | 872 | |
a14ed312 | 873 | extern void free_all_values (void); |
c906108c | 874 | |
0cf6dd15 TJB |
875 | extern void free_value_chain (struct value *v); |
876 | ||
f23631e4 | 877 | extern void release_value (struct value *val); |
c906108c | 878 | |
e848a8a5 TT |
879 | extern void release_value_or_incref (struct value *val); |
880 | ||
f23631e4 | 881 | extern int record_latest_value (struct value *val); |
c906108c | 882 | |
50810684 UW |
883 | extern void modify_field (struct type *type, gdb_byte *addr, |
884 | LONGEST fieldval, int bitpos, int bitsize); | |
c906108c | 885 | |
0d5cff50 | 886 | extern void type_print (struct type *type, const char *varstring, |
89f5065b | 887 | struct ui_file *stream, int show); |
c906108c | 888 | |
ae6a3a4c TJB |
889 | extern char *type_to_string (struct type *type); |
890 | ||
fc1a4b47 AC |
891 | extern gdb_byte *baseclass_addr (struct type *type, int index, |
892 | gdb_byte *valaddr, | |
8929e59d | 893 | struct value **valuep, int *errp); |
c906108c | 894 | |
89f5065b | 895 | extern void print_longest (struct ui_file *stream, int format, |
d9fcf2fb | 896 | int use_local, LONGEST val); |
c906108c | 897 | |
fc1a4b47 | 898 | extern void print_floating (const gdb_byte *valaddr, struct type *type, |
89f5065b | 899 | struct ui_file *stream); |
c906108c | 900 | |
7678ef8f TJB |
901 | extern void print_decimal_floating (const gdb_byte *valaddr, struct type *type, |
902 | struct ui_file *stream); | |
903 | ||
8e069a98 TT |
904 | extern void value_print (struct value *val, struct ui_file *stream, |
905 | const struct value_print_options *options); | |
c906108c | 906 | |
f23631e4 AC |
907 | extern void value_print_array_elements (struct value *val, |
908 | struct ui_file *stream, int format, | |
2a998fc0 | 909 | enum val_prettyformat pretty); |
c906108c | 910 | |
f23631e4 | 911 | extern struct value *value_release_to_mark (struct value *mark); |
c906108c | 912 | |
35c0084b TT |
913 | extern void val_print (struct type *type, const gdb_byte *valaddr, |
914 | int embedded_offset, CORE_ADDR address, | |
915 | struct ui_file *stream, int recurse, | |
916 | const struct value *val, | |
917 | const struct value_print_options *options, | |
918 | const struct language_defn *language); | |
c906108c | 919 | |
a1f5dd1b TT |
920 | extern void common_val_print (struct value *val, |
921 | struct ui_file *stream, int recurse, | |
922 | const struct value_print_options *options, | |
923 | const struct language_defn *language); | |
806048c6 | 924 | |
09ca9e2e TT |
925 | extern int val_print_string (struct type *elttype, const char *encoding, |
926 | CORE_ADDR addr, int len, | |
79a45b7d TT |
927 | struct ui_file *stream, |
928 | const struct value_print_options *options); | |
c906108c | 929 | |
aad95b57 TT |
930 | extern void print_variable_and_value (const char *name, |
931 | struct symbol *var, | |
932 | struct frame_info *frame, | |
933 | struct ui_file *stream, | |
934 | int indent); | |
c906108c | 935 | |
89f5065b AC |
936 | extern void typedef_print (struct type *type, struct symbol *news, |
937 | struct ui_file *stream); | |
c906108c | 938 | |
a14ed312 | 939 | extern char *internalvar_name (struct internalvar *var); |
c906108c | 940 | |
ae5a43e0 | 941 | extern void preserve_values (struct objfile *); |
c906108c SS |
942 | |
943 | /* From values.c */ | |
944 | ||
f23631e4 | 945 | extern struct value *value_copy (struct value *); |
c906108c | 946 | |
c37f7098 KW |
947 | extern struct value *value_non_lval (struct value *); |
948 | ||
4e7a5ef5 TT |
949 | extern void preserve_one_value (struct value *, struct objfile *, htab_t); |
950 | ||
c906108c SS |
951 | /* From valops.c */ |
952 | ||
f23631e4 | 953 | extern struct value *varying_to_slice (struct value *); |
c906108c | 954 | |
f23631e4 | 955 | extern struct value *value_slice (struct value *, int, int); |
c906108c | 956 | |
f23631e4 AC |
957 | extern struct value *value_literal_complex (struct value *, struct value *, |
958 | struct type *); | |
c906108c | 959 | |
3e3b026f UW |
960 | extern struct value *find_function_in_inferior (const char *, |
961 | struct objfile **); | |
c906108c | 962 | |
f23631e4 | 963 | extern struct value *value_allocate_space_in_inferior (int); |
c906108c | 964 | |
2497b498 UW |
965 | extern struct value *value_subscripted_rvalue (struct value *array, |
966 | LONGEST index, int lowerbound); | |
bc3b79fd TJB |
967 | |
968 | /* User function handler. */ | |
969 | ||
d452c4bc UW |
970 | typedef struct value *(*internal_function_fn) (struct gdbarch *gdbarch, |
971 | const struct language_defn *language, | |
972 | void *cookie, | |
bc3b79fd TJB |
973 | int argc, |
974 | struct value **argv); | |
975 | ||
976 | void add_internal_function (const char *name, const char *doc, | |
977 | internal_function_fn handler, | |
978 | void *cookie); | |
979 | ||
d452c4bc UW |
980 | struct value *call_internal_function (struct gdbarch *gdbarch, |
981 | const struct language_defn *language, | |
982 | struct value *function, | |
bc3b79fd TJB |
983 | int argc, struct value **argv); |
984 | ||
985 | char *value_internal_function_name (struct value *); | |
986 | ||
c5aa993b | 987 | #endif /* !defined (VALUE_H) */ |