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c906108c SS |
1 | /* Definitions for values of C expressions, for GDB. |
2 | Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996 | |
3 | Free Software Foundation, Inc. | |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #if !defined (VALUE_H) | |
23 | #define VALUE_H 1 | |
24 | ||
25 | /* | |
26 | * The structure which defines the type of a value. It should never | |
27 | * be possible for a program lval value to survive over a call to the inferior | |
28 | * (ie to be put into the history list or an internal variable). | |
29 | */ | |
c906108c SS |
30 | |
31 | struct value | |
32 | { | |
33 | /* Type of value; either not an lval, or one of the various | |
34 | different possible kinds of lval. */ | |
35 | enum lval_type lval; | |
36 | /* Is it modifiable? Only relevant if lval != not_lval. */ | |
37 | int modifiable; | |
38 | /* Location of value (if lval). */ | |
39 | union | |
40 | { | |
41 | /* Address in inferior or byte of registers structure. */ | |
42 | CORE_ADDR address; | |
43 | /* Pointer to internal variable. */ | |
44 | struct internalvar *internalvar; | |
45 | /* Number of register. Only used with | |
46 | lval_reg_frame_relative. */ | |
47 | int regnum; | |
c5aa993b JM |
48 | } |
49 | location; | |
c906108c SS |
50 | /* Describes offset of a value within lval of a structure in bytes. |
51 | This is used in retrieving contents from target memory. [Note also | |
52 | the member embedded_offset below.] */ | |
c5aa993b | 53 | int offset; |
c906108c SS |
54 | /* Only used for bitfields; number of bits contained in them. */ |
55 | int bitsize; | |
56 | /* Only used for bitfields; position of start of field. | |
57 | For BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. | |
58 | For BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */ | |
59 | int bitpos; | |
60 | /* Frame value is relative to. In practice, this address is only | |
61 | used if the value is stored in several registers in other than | |
62 | the current frame, and these registers have not all been saved | |
63 | at the same place in memory. This will be described in the | |
64 | lval enum above as "lval_reg_frame_relative". */ | |
65 | CORE_ADDR frame_addr; | |
66 | /* Type of the value. */ | |
67 | struct type *type; | |
68 | /* Type of the enclosing object if this is an embedded subobject. | |
69 | The member embedded_offset gives the real position of the subobject | |
70 | if type is not the same as enclosing_type. | |
71 | ||
72 | If the type field is a pointer type, then enclosing_type is | |
73 | a pointer type pointing to the real (enclosing) type of the target | |
74 | object. */ | |
75 | struct type *enclosing_type; | |
76 | /* Values are stored in a chain, so that they can be deleted | |
77 | easily over calls to the inferior. Values assigned to internal | |
78 | variables or put into the value history are taken off this | |
79 | list. */ | |
80 | struct value *next; | |
81 | ||
82 | /* ??? When is this used? */ | |
c5aa993b JM |
83 | union |
84 | { | |
85 | CORE_ADDR memaddr; | |
86 | char *myaddr; | |
87 | } | |
88 | substring_addr; | |
c906108c SS |
89 | |
90 | /* Register number if the value is from a register. Is not kept | |
91 | if you take a field of a structure that is stored in a | |
92 | register. Shouldn't it be? */ | |
93 | short regno; | |
94 | /* If zero, contents of this value are in the contents field. | |
95 | If nonzero, contents are in inferior memory at address | |
96 | in the location.address field plus the offset field | |
97 | (and the lval field should be lval_memory). */ | |
98 | char lazy; | |
99 | /* If nonzero, this is the value of a variable which does not | |
100 | actually exist in the program. */ | |
101 | char optimized_out; | |
102 | /* If this value represents an object that is embedded inside a | |
103 | larger object (e.g., a base subobject in C++), this gives the | |
104 | offset (in bytes) from the start of the contents buffer where | |
105 | the embedded object begins. This is required because some C++ | |
106 | runtime implementations lay out objects (especially virtual bases | |
107 | with possibly negative offsets to ancestors). | |
108 | Note: This may be positive or negative! Also note that this offset | |
109 | is not used when retrieving contents from target memory; the entire | |
110 | enclosing object has to be retrieved always, and the offset for | |
111 | that is given by the member offset above. */ | |
112 | int embedded_offset; | |
113 | /* If this value represents a pointer to an object that is embedded | |
114 | in another object, this gives the embedded_offset of the object | |
115 | that is pointed to. */ | |
116 | int pointed_to_offset; | |
117 | /* The BFD section associated with this value. */ | |
118 | asection *bfd_section; | |
119 | /* Actual contents of the value. For use of this value; setting | |
120 | it uses the stuff above. Not valid if lazy is nonzero. | |
121 | Target byte-order. We force it to be aligned properly for any | |
122 | possible value. Note that a value therefore extends beyond | |
123 | what is declared here. */ | |
c5aa993b JM |
124 | union |
125 | { | |
126 | long contents[1]; | |
127 | double force_double_align; | |
128 | LONGEST force_longlong_align; | |
129 | char *literal_data; | |
130 | } | |
131 | aligner; | |
c906108c SS |
132 | /* Do not add any new members here -- contents above will trash them */ |
133 | }; | |
134 | ||
135 | typedef struct value *value_ptr; | |
136 | ||
137 | #define VALUE_TYPE(val) (val)->type | |
138 | #define VALUE_ENCLOSING_TYPE(val) (val)->enclosing_type | |
139 | #define VALUE_LAZY(val) (val)->lazy | |
140 | /* VALUE_CONTENTS and VALUE_CONTENTS_RAW both return the address of | |
141 | the gdb buffer used to hold a copy of the contents of the lval. | |
142 | VALUE_CONTENTS is used when the contents of the buffer are needed -- | |
143 | it uses value_fetch_lazy() to load the buffer from the process being | |
144 | debugged if it hasn't already been loaded. VALUE_CONTENTS_RAW is | |
145 | used when data is being stored into the buffer, or when it is | |
146 | certain that the contents of the buffer are valid. | |
147 | Note: The contents pointer is adjusted by the offset required to | |
148 | get to the real subobject, if the value happens to represent | |
149 | something embedded in a larger run-time object. */ | |
150 | ||
151 | #define VALUE_CONTENTS_RAW(val) ((char *) (val)->aligner.contents + (val)->embedded_offset) | |
152 | #define VALUE_CONTENTS(val) ((void)(VALUE_LAZY(val) && value_fetch_lazy(val)),\ | |
153 | VALUE_CONTENTS_RAW(val)) | |
154 | ||
155 | /* The ALL variants of the above two macros do not adjust the returned | |
156 | pointer by the embedded_offset value. */ | |
c5aa993b | 157 | |
c906108c SS |
158 | #define VALUE_CONTENTS_ALL_RAW(val) ((char *) (val)->aligner.contents) |
159 | #define VALUE_CONTENTS_ALL(val) ((void) (VALUE_LAZY(val) && value_fetch_lazy(val)),\ | |
160 | VALUE_CONTENTS_ALL_RAW(val)) | |
c5aa993b JM |
161 | |
162 | ||
c906108c SS |
163 | extern int value_fetch_lazy PARAMS ((value_ptr val)); |
164 | ||
165 | #define VALUE_LVAL(val) (val)->lval | |
166 | #define VALUE_ADDRESS(val) (val)->location.address | |
167 | #define VALUE_INTERNALVAR(val) (val)->location.internalvar | |
168 | #define VALUE_FRAME_REGNUM(val) ((val)->location.regnum) | |
169 | #define VALUE_FRAME(val) ((val)->frame_addr) | |
170 | #define VALUE_OFFSET(val) (val)->offset | |
171 | #define VALUE_BITSIZE(val) (val)->bitsize | |
172 | #define VALUE_BITPOS(val) (val)->bitpos | |
173 | #define VALUE_NEXT(val) (val)->next | |
174 | #define VALUE_REGNO(val) (val)->regno | |
175 | #define VALUE_OPTIMIZED_OUT(val) ((val)->optimized_out) | |
176 | #define VALUE_EMBEDDED_OFFSET(val) ((val)->embedded_offset) | |
177 | #define VALUE_POINTED_TO_OFFSET(val) ((val)->pointed_to_offset) | |
178 | #define VALUE_BFD_SECTION(val) ((val)->bfd_section) | |
179 | ||
180 | /* Convert a REF to the object referenced. */ | |
181 | ||
182 | #define COERCE_REF(arg) \ | |
183 | do { struct type *value_type_arg_tmp = check_typedef (VALUE_TYPE (arg));\ | |
184 | if (TYPE_CODE (value_type_arg_tmp) == TYPE_CODE_REF) \ | |
185 | arg = value_at_lazy (TYPE_TARGET_TYPE (value_type_arg_tmp), \ | |
186 | unpack_long (VALUE_TYPE (arg), \ | |
187 | VALUE_CONTENTS (arg)), \ | |
188 | VALUE_BFD_SECTION (arg)); \ | |
189 | } while (0) | |
190 | ||
191 | /* If ARG is an array, convert it to a pointer. | |
192 | If ARG is an enum, convert it to an integer. | |
193 | If ARG is a function, convert it to a function pointer. | |
194 | ||
195 | References are dereferenced. */ | |
196 | ||
197 | #define COERCE_ARRAY(arg) \ | |
198 | do { COERCE_REF(arg); \ | |
199 | if (current_language->c_style_arrays \ | |
200 | && TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \ | |
201 | arg = value_coerce_array (arg); \ | |
202 | if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_FUNC) \ | |
203 | arg = value_coerce_function (arg); \ | |
204 | } while (0) | |
205 | ||
206 | #define COERCE_NUMBER(arg) \ | |
207 | do { COERCE_ARRAY(arg); COERCE_ENUM(arg); } while (0) | |
208 | ||
209 | #define COERCE_VARYING_ARRAY(arg, real_arg_type) \ | |
210 | { if (chill_varying_type (real_arg_type)) \ | |
211 | arg = varying_to_slice (arg), real_arg_type = VALUE_TYPE (arg); } | |
212 | ||
213 | /* If ARG is an enum, convert it to an integer. */ | |
214 | ||
215 | #define COERCE_ENUM(arg) { \ | |
216 | if (TYPE_CODE (check_typedef (VALUE_TYPE (arg))) == TYPE_CODE_ENUM) \ | |
217 | arg = value_cast (builtin_type_unsigned_int, arg); \ | |
218 | } | |
219 | ||
220 | /* Internal variables (variables for convenience of use of debugger) | |
221 | are recorded as a chain of these structures. */ | |
222 | ||
223 | struct internalvar | |
c5aa993b JM |
224 | { |
225 | struct internalvar *next; | |
226 | char *name; | |
227 | value_ptr value; | |
228 | }; | |
c906108c SS |
229 | |
230 | /* Pointer to member function. Depends on compiler implementation. */ | |
231 | ||
232 | #define METHOD_PTR_IS_VIRTUAL(ADDR) ((ADDR) & 0x80000000) | |
233 | #define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET)) | |
234 | #define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR)) | |
c906108c | 235 | \f |
c5aa993b | 236 | |
c906108c SS |
237 | #include "symtab.h" |
238 | #include "gdbtypes.h" | |
239 | #include "expression.h" | |
240 | ||
c906108c SS |
241 | struct frame_info; |
242 | struct fn_field; | |
c906108c SS |
243 | |
244 | extern void | |
245 | print_address_demangle PARAMS ((CORE_ADDR, GDB_FILE *, int)); | |
246 | ||
247 | extern LONGEST value_as_long PARAMS ((value_ptr val)); | |
248 | ||
249 | extern DOUBLEST value_as_double PARAMS ((value_ptr val)); | |
250 | ||
251 | extern CORE_ADDR value_as_pointer PARAMS ((value_ptr val)); | |
252 | ||
c5aa993b | 253 | extern LONGEST unpack_long PARAMS ((struct type * type, char *valaddr)); |
c906108c | 254 | |
c5aa993b | 255 | extern DOUBLEST unpack_double PARAMS ((struct type * type, char *valaddr, |
c906108c SS |
256 | int *invp)); |
257 | ||
c5aa993b | 258 | extern CORE_ADDR unpack_pointer PARAMS ((struct type * type, char *valaddr)); |
c906108c | 259 | |
c5aa993b | 260 | extern LONGEST unpack_field_as_long PARAMS ((struct type * type, char *valaddr, |
c906108c SS |
261 | int fieldno)); |
262 | ||
c5aa993b | 263 | extern value_ptr value_from_longest PARAMS ((struct type * type, LONGEST num)); |
c906108c | 264 | |
c5aa993b | 265 | extern value_ptr value_from_double PARAMS ((struct type * type, DOUBLEST num)); |
c906108c | 266 | |
0f71a2f6 JM |
267 | extern value_ptr value_from_string PARAMS ((char *string)); |
268 | ||
c5aa993b | 269 | extern value_ptr value_at PARAMS ((struct type * type, CORE_ADDR addr, asection * sect)); |
c906108c | 270 | |
c5aa993b | 271 | extern value_ptr value_at_lazy PARAMS ((struct type * type, CORE_ADDR addr, asection * sect)); |
c906108c | 272 | |
c5aa993b JM |
273 | extern value_ptr value_from_register PARAMS ((struct type * type, int regnum, |
274 | struct frame_info * frame)); | |
c906108c | 275 | |
c5aa993b JM |
276 | extern value_ptr value_of_variable PARAMS ((struct symbol * var, |
277 | struct block * b)); | |
c906108c SS |
278 | |
279 | extern value_ptr value_of_register PARAMS ((int regnum)); | |
280 | ||
281 | extern int symbol_read_needs_frame PARAMS ((struct symbol *)); | |
282 | ||
c5aa993b JM |
283 | extern value_ptr read_var_value PARAMS ((struct symbol * var, |
284 | struct frame_info * frame)); | |
c906108c | 285 | |
c5aa993b JM |
286 | extern value_ptr locate_var_value PARAMS ((struct symbol * var, |
287 | struct frame_info * frame)); | |
c906108c | 288 | |
c5aa993b | 289 | extern value_ptr allocate_value PARAMS ((struct type * type)); |
c906108c | 290 | |
c5aa993b | 291 | extern value_ptr allocate_repeat_value PARAMS ((struct type * type, int count)); |
c906108c SS |
292 | |
293 | extern value_ptr value_mark PARAMS ((void)); | |
294 | ||
295 | extern void value_free_to_mark PARAMS ((value_ptr mark)); | |
296 | ||
297 | extern value_ptr value_string PARAMS ((char *ptr, int len)); | |
298 | extern value_ptr value_bitstring PARAMS ((char *ptr, int len)); | |
299 | ||
300 | extern value_ptr value_array PARAMS ((int lowbound, int highbound, | |
c5aa993b | 301 | value_ptr * elemvec)); |
c906108c SS |
302 | |
303 | extern value_ptr value_concat PARAMS ((value_ptr arg1, value_ptr arg2)); | |
304 | ||
305 | extern value_ptr value_binop PARAMS ((value_ptr arg1, value_ptr arg2, | |
306 | enum exp_opcode op)); | |
307 | ||
308 | extern value_ptr value_add PARAMS ((value_ptr arg1, value_ptr arg2)); | |
309 | ||
310 | extern value_ptr value_sub PARAMS ((value_ptr arg1, value_ptr arg2)); | |
311 | ||
312 | extern value_ptr value_coerce_array PARAMS ((value_ptr arg1)); | |
313 | ||
314 | extern value_ptr value_coerce_function PARAMS ((value_ptr arg1)); | |
315 | ||
316 | extern value_ptr value_ind PARAMS ((value_ptr arg1)); | |
317 | ||
318 | extern value_ptr value_addr PARAMS ((value_ptr arg1)); | |
319 | ||
320 | extern value_ptr value_assign PARAMS ((value_ptr toval, value_ptr fromval)); | |
321 | ||
322 | extern value_ptr value_neg PARAMS ((value_ptr arg1)); | |
323 | ||
324 | extern value_ptr value_complement PARAMS ((value_ptr arg1)); | |
325 | ||
c5aa993b | 326 | extern value_ptr value_struct_elt PARAMS ((value_ptr * argp, value_ptr * args, |
c906108c SS |
327 | char *name, |
328 | int *static_memfuncp, char *err)); | |
329 | ||
c5aa993b | 330 | extern value_ptr value_struct_elt_for_reference PARAMS ((struct type * domain, |
c906108c | 331 | int offset, |
c5aa993b | 332 | struct type * curtype, |
c906108c | 333 | char *name, |
c5aa993b | 334 | struct type * intype)); |
c906108c | 335 | |
c5aa993b | 336 | extern value_ptr value_static_field PARAMS ((struct type * type, int fieldno)); |
c906108c | 337 | |
7a292a7a SS |
338 | extern struct fn_field *value_find_oload_method_list PARAMS ((value_ptr *, char *, int, int *, int *, struct type **, int *)); |
339 | ||
c5aa993b | 340 | extern int find_overload_match PARAMS ((struct type ** arg_types, int nargs, char *name, int method, int lax, value_ptr obj, struct symbol * fsym, value_ptr * valp, struct symbol ** symp, int *staticp)); |
c906108c SS |
341 | |
342 | extern value_ptr value_field PARAMS ((value_ptr arg1, int fieldno)); | |
343 | ||
344 | extern value_ptr value_primitive_field PARAMS ((value_ptr arg1, int offset, | |
345 | int fieldno, | |
c5aa993b | 346 | struct type * arg_type)); |
c906108c SS |
347 | |
348 | extern struct type * | |
c5aa993b | 349 | value_rtti_type PARAMS ((value_ptr, int *, int *, int *)); |
c906108c SS |
350 | |
351 | extern struct type * | |
c5aa993b | 352 | value_rtti_target_type PARAMS ((value_ptr, int *, int *, int *)); |
c906108c SS |
353 | |
354 | extern value_ptr | |
c5aa993b | 355 | value_full_object PARAMS ((value_ptr, struct type *, int, int, int)); |
c906108c | 356 | |
c5aa993b | 357 | extern value_ptr value_cast PARAMS ((struct type * type, value_ptr arg2)); |
c906108c | 358 | |
c5aa993b | 359 | extern value_ptr value_zero PARAMS ((struct type * type, enum lval_type lv)); |
c906108c SS |
360 | |
361 | extern value_ptr value_repeat PARAMS ((value_ptr arg1, int count)); | |
362 | ||
363 | extern value_ptr value_subscript PARAMS ((value_ptr array, value_ptr idx)); | |
364 | ||
365 | extern value_ptr value_from_vtable_info PARAMS ((value_ptr arg, | |
c5aa993b | 366 | struct type * type)); |
c906108c | 367 | |
c5aa993b | 368 | extern value_ptr value_being_returned PARAMS ((struct type * valtype, |
7a292a7a | 369 | char *retbuf, |
c906108c SS |
370 | int struct_return)); |
371 | ||
372 | extern value_ptr value_in PARAMS ((value_ptr element, value_ptr set)); | |
373 | ||
c5aa993b | 374 | extern int value_bit_index PARAMS ((struct type * type, char *addr, int index)); |
c906108c SS |
375 | |
376 | extern int using_struct_return PARAMS ((value_ptr function, CORE_ADDR funcaddr, | |
c5aa993b | 377 | struct type * value_type, int gcc_p)); |
c906108c SS |
378 | |
379 | extern void set_return_value PARAMS ((value_ptr val)); | |
380 | ||
c5aa993b | 381 | extern value_ptr evaluate_expression PARAMS ((struct expression * exp)); |
c906108c | 382 | |
c5aa993b | 383 | extern value_ptr evaluate_type PARAMS ((struct expression * exp)); |
c906108c SS |
384 | |
385 | extern value_ptr evaluate_subexp_with_coercion PARAMS ((struct expression *, | |
386 | int *, enum noside)); | |
387 | ||
388 | extern value_ptr parse_and_eval PARAMS ((char *exp)); | |
389 | ||
390 | extern value_ptr parse_to_comma_and_eval PARAMS ((char **expp)); | |
391 | ||
392 | extern struct type *parse_and_eval_type PARAMS ((char *p, int length)); | |
393 | ||
394 | extern CORE_ADDR parse_and_eval_address PARAMS ((char *exp)); | |
395 | ||
396 | extern CORE_ADDR parse_and_eval_address_1 PARAMS ((char **expptr)); | |
397 | ||
398 | extern value_ptr access_value_history PARAMS ((int num)); | |
399 | ||
c5aa993b | 400 | extern value_ptr value_of_internalvar PARAMS ((struct internalvar * var)); |
c906108c | 401 | |
c5aa993b | 402 | extern void set_internalvar PARAMS ((struct internalvar * var, value_ptr val)); |
c906108c | 403 | |
c5aa993b | 404 | extern void set_internalvar_component PARAMS ((struct internalvar * var, |
c906108c SS |
405 | int offset, |
406 | int bitpos, int bitsize, | |
407 | value_ptr newvalue)); | |
408 | ||
409 | extern struct internalvar *lookup_internalvar PARAMS ((char *name)); | |
410 | ||
411 | extern int value_equal PARAMS ((value_ptr arg1, value_ptr arg2)); | |
412 | ||
413 | extern int value_less PARAMS ((value_ptr arg1, value_ptr arg2)); | |
414 | ||
415 | extern int value_logical_not PARAMS ((value_ptr arg1)); | |
416 | ||
417 | /* C++ */ | |
418 | ||
419 | extern value_ptr value_of_this PARAMS ((int complain)); | |
420 | ||
421 | extern value_ptr value_x_binop PARAMS ((value_ptr arg1, value_ptr arg2, | |
422 | enum exp_opcode op, | |
423 | enum exp_opcode otherop, | |
424 | enum noside noside)); | |
425 | ||
426 | extern value_ptr value_x_unop PARAMS ((value_ptr arg1, enum exp_opcode op, | |
427 | enum noside noside)); | |
428 | ||
c5aa993b | 429 | extern value_ptr value_fn_field PARAMS ((value_ptr * arg1p, struct fn_field * f, |
c906108c | 430 | int j, |
c5aa993b | 431 | struct type * type, int offset)); |
c906108c | 432 | |
c5aa993b JM |
433 | extern value_ptr value_virtual_fn_field PARAMS ((value_ptr * arg1p, |
434 | struct fn_field * f, int j, | |
435 | struct type * type, | |
c906108c SS |
436 | int offset)); |
437 | ||
438 | extern int binop_user_defined_p PARAMS ((enum exp_opcode op, | |
439 | value_ptr arg1, value_ptr arg2)); | |
440 | ||
441 | extern int unop_user_defined_p PARAMS ((enum exp_opcode op, value_ptr arg1)); | |
442 | ||
443 | extern int destructor_name_p PARAMS ((const char *name, | |
c5aa993b | 444 | const struct type * type)); |
c906108c SS |
445 | |
446 | #define value_free(val) free ((PTR)val) | |
447 | ||
448 | extern void free_all_values PARAMS ((void)); | |
449 | ||
450 | extern void release_value PARAMS ((value_ptr val)); | |
451 | ||
452 | extern int record_latest_value PARAMS ((value_ptr val)); | |
453 | ||
454 | extern void registers_changed PARAMS ((void)); | |
455 | ||
456 | extern void read_register_bytes PARAMS ((int regbyte, char *myaddr, int len)); | |
457 | ||
458 | extern void write_register_bytes PARAMS ((int regbyte, char *myaddr, int len)); | |
459 | ||
460 | extern void | |
461 | read_register_gen PARAMS ((int regno, char *myaddr)); | |
462 | ||
463 | extern CORE_ADDR | |
c5aa993b | 464 | read_register PARAMS ((int regno)); |
c906108c SS |
465 | |
466 | extern CORE_ADDR | |
c5aa993b | 467 | read_register_pid PARAMS ((int regno, int pid)); |
c906108c SS |
468 | |
469 | extern void | |
470 | write_register PARAMS ((int regno, LONGEST val)); | |
471 | ||
472 | extern void | |
473 | write_register_pid PARAMS ((int regno, CORE_ADDR val, int pid)); | |
474 | ||
475 | extern void | |
476 | supply_register PARAMS ((int regno, char *val)); | |
477 | ||
7a292a7a | 478 | extern void get_saved_register PARAMS ((char *raw_buffer, int *optimized, |
c5aa993b JM |
479 | CORE_ADDR * addrp, |
480 | struct frame_info * frame, | |
481 | int regnum, enum lval_type * lval)); | |
c906108c SS |
482 | |
483 | extern void | |
484 | modify_field PARAMS ((char *addr, LONGEST fieldval, int bitpos, int bitsize)); | |
485 | ||
486 | extern void | |
c5aa993b | 487 | type_print PARAMS ((struct type * type, char *varstring, GDB_FILE * stream, |
c906108c SS |
488 | int show)); |
489 | ||
c5aa993b | 490 | extern char *baseclass_addr PARAMS ((struct type * type, int index, |
c906108c | 491 | char *valaddr, |
c5aa993b | 492 | value_ptr * valuep, int *errp)); |
c906108c SS |
493 | |
494 | extern void | |
c5aa993b | 495 | print_longest PARAMS ((GDB_FILE * stream, int format, int use_local, |
c906108c SS |
496 | LONGEST val)); |
497 | ||
498 | extern void | |
c5aa993b | 499 | print_floating PARAMS ((char *valaddr, struct type * type, GDB_FILE * stream)); |
c906108c | 500 | |
c5aa993b | 501 | extern int value_print PARAMS ((value_ptr val, GDB_FILE * stream, int format, |
c906108c SS |
502 | enum val_prettyprint pretty)); |
503 | ||
504 | extern void | |
c5aa993b JM |
505 | value_print_array_elements PARAMS ((value_ptr val, GDB_FILE * stream, |
506 | int format, enum val_prettyprint pretty)); | |
c906108c SS |
507 | |
508 | extern value_ptr | |
c5aa993b | 509 | value_release_to_mark PARAMS ((value_ptr mark)); |
c906108c SS |
510 | |
511 | extern int | |
c5aa993b JM |
512 | val_print PARAMS ((struct type * type, char *valaddr, int embedded_offset, CORE_ADDR address, |
513 | GDB_FILE * stream, int format, int deref_ref, | |
c906108c SS |
514 | int recurse, enum val_prettyprint pretty)); |
515 | ||
516 | extern int | |
c5aa993b | 517 | val_print_string PARAMS ((CORE_ADDR addr, int len, int width, GDB_FILE * stream)); |
c906108c SS |
518 | |
519 | extern void | |
c5aa993b JM |
520 | print_variable_value PARAMS ((struct symbol * var, struct frame_info * frame, |
521 | GDB_FILE * stream)); | |
c906108c SS |
522 | |
523 | extern int check_field PARAMS ((value_ptr, const char *)); | |
524 | ||
525 | extern void | |
c5aa993b | 526 | c_typedef_print PARAMS ((struct type * type, struct symbol * news, GDB_FILE * stream)); |
c906108c SS |
527 | |
528 | extern char * | |
c5aa993b | 529 | internalvar_name PARAMS ((struct internalvar * var)); |
c906108c SS |
530 | |
531 | extern void | |
532 | clear_value_history PARAMS ((void)); | |
533 | ||
534 | extern void | |
535 | clear_internalvars PARAMS ((void)); | |
536 | ||
537 | /* From values.c */ | |
538 | ||
539 | extern value_ptr value_copy PARAMS ((value_ptr)); | |
540 | ||
541 | extern int baseclass_offset PARAMS ((struct type *, int, char *, CORE_ADDR)); | |
542 | ||
543 | /* From valops.c */ | |
544 | ||
545 | extern value_ptr varying_to_slice PARAMS ((value_ptr)); | |
546 | ||
547 | extern value_ptr value_slice PARAMS ((value_ptr, int, int)); | |
548 | ||
549 | extern value_ptr call_function_by_hand PARAMS ((value_ptr, int, value_ptr *)); | |
550 | ||
c5aa993b | 551 | extern value_ptr value_literal_complex PARAMS ((value_ptr, value_ptr, struct type *)); |
c906108c SS |
552 | |
553 | extern void find_rt_vbase_offset PARAMS ((struct type *, struct type *, char *, int, int *, int *)); | |
554 | ||
555 | extern value_ptr find_function_in_inferior PARAMS ((char *)); | |
556 | ||
557 | extern value_ptr value_allocate_space_in_inferior PARAMS ((int)); | |
558 | ||
c5aa993b | 559 | extern CORE_ADDR default_push_arguments PARAMS ((int nargs, value_ptr * args, |
392a587b | 560 | CORE_ADDR sp, |
ac9a91a7 | 561 | int struct_return, |
392a587b JM |
562 | CORE_ADDR struct_addr)); |
563 | ||
c5aa993b | 564 | #endif /* !defined (VALUE_H) */ |