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c906108c | 1 | /* Definitions for values of C expressions, for GDB. |
d9fcf2fb | 2 | Copyright 1986, 1987, 1989, 1992-1996, 2000 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | #if !defined (VALUE_H) | |
22 | #define VALUE_H 1 | |
23 | ||
24 | /* | |
25 | * The structure which defines the type of a value. It should never | |
26 | * be possible for a program lval value to survive over a call to the inferior | |
27 | * (ie to be put into the history list or an internal variable). | |
28 | */ | |
c906108c SS |
29 | |
30 | struct value | |
31 | { | |
32 | /* Type of value; either not an lval, or one of the various | |
33 | different possible kinds of lval. */ | |
34 | enum lval_type lval; | |
35 | /* Is it modifiable? Only relevant if lval != not_lval. */ | |
36 | int modifiable; | |
37 | /* Location of value (if lval). */ | |
38 | union | |
39 | { | |
c2d11a7d JM |
40 | /* If lval == lval_memory, this is the address in the inferior. |
41 | If lval == lval_register, this is the byte offset into the | |
42 | registers structure. */ | |
c906108c SS |
43 | CORE_ADDR address; |
44 | /* Pointer to internal variable. */ | |
45 | struct internalvar *internalvar; | |
46 | /* Number of register. Only used with | |
47 | lval_reg_frame_relative. */ | |
48 | int regnum; | |
c5aa993b JM |
49 | } |
50 | location; | |
c906108c | 51 | /* Describes offset of a value within lval of a structure in bytes. |
c2d11a7d JM |
52 | If lval == lval_memory, this is an offset to the address. |
53 | If lval == lval_register, this is a further offset from | |
54 | location.address within the registers structure. | |
55 | Note also the member embedded_offset below. */ | |
c5aa993b | 56 | int offset; |
c906108c SS |
57 | /* Only used for bitfields; number of bits contained in them. */ |
58 | int bitsize; | |
59 | /* Only used for bitfields; position of start of field. | |
60 | For BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. | |
61 | For BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */ | |
62 | int bitpos; | |
63 | /* Frame value is relative to. In practice, this address is only | |
64 | used if the value is stored in several registers in other than | |
65 | the current frame, and these registers have not all been saved | |
66 | at the same place in memory. This will be described in the | |
67 | lval enum above as "lval_reg_frame_relative". */ | |
68 | CORE_ADDR frame_addr; | |
69 | /* Type of the value. */ | |
70 | struct type *type; | |
71 | /* Type of the enclosing object if this is an embedded subobject. | |
72 | The member embedded_offset gives the real position of the subobject | |
73 | if type is not the same as enclosing_type. | |
74 | ||
75 | If the type field is a pointer type, then enclosing_type is | |
76 | a pointer type pointing to the real (enclosing) type of the target | |
77 | object. */ | |
78 | struct type *enclosing_type; | |
79 | /* Values are stored in a chain, so that they can be deleted | |
80 | easily over calls to the inferior. Values assigned to internal | |
81 | variables or put into the value history are taken off this | |
82 | list. */ | |
83 | struct value *next; | |
84 | ||
85 | /* ??? When is this used? */ | |
c5aa993b JM |
86 | union |
87 | { | |
88 | CORE_ADDR memaddr; | |
89 | char *myaddr; | |
90 | } | |
91 | substring_addr; | |
c906108c SS |
92 | |
93 | /* Register number if the value is from a register. Is not kept | |
94 | if you take a field of a structure that is stored in a | |
95 | register. Shouldn't it be? */ | |
96 | short regno; | |
97 | /* If zero, contents of this value are in the contents field. | |
98 | If nonzero, contents are in inferior memory at address | |
99 | in the location.address field plus the offset field | |
d7491b3f EZ |
100 | (and the lval field should be lval_memory). |
101 | ||
102 | WARNING: This field is used by the code which handles | |
103 | watchpoints (see breakpoint.c) to decide whether a particular | |
104 | value can be watched by hardware watchpoints. If the lazy flag | |
105 | is set for some member of a value chain, it is assumed that | |
106 | this member of the chain doesn't need to be watched as part of | |
107 | watching the value itself. This is how GDB avoids watching the | |
108 | entire struct or array when the user wants to watch a single | |
109 | struct member or array element. If you ever change the way | |
110 | lazy flag is set and reset, be sure to consider this use as | |
111 | well! */ | |
c906108c SS |
112 | char lazy; |
113 | /* If nonzero, this is the value of a variable which does not | |
114 | actually exist in the program. */ | |
115 | char optimized_out; | |
116 | /* If this value represents an object that is embedded inside a | |
117 | larger object (e.g., a base subobject in C++), this gives the | |
118 | offset (in bytes) from the start of the contents buffer where | |
119 | the embedded object begins. This is required because some C++ | |
120 | runtime implementations lay out objects (especially virtual bases | |
121 | with possibly negative offsets to ancestors). | |
122 | Note: This may be positive or negative! Also note that this offset | |
123 | is not used when retrieving contents from target memory; the entire | |
124 | enclosing object has to be retrieved always, and the offset for | |
125 | that is given by the member offset above. */ | |
126 | int embedded_offset; | |
127 | /* If this value represents a pointer to an object that is embedded | |
128 | in another object, this gives the embedded_offset of the object | |
129 | that is pointed to. */ | |
130 | int pointed_to_offset; | |
131 | /* The BFD section associated with this value. */ | |
132 | asection *bfd_section; | |
133 | /* Actual contents of the value. For use of this value; setting | |
134 | it uses the stuff above. Not valid if lazy is nonzero. | |
135 | Target byte-order. We force it to be aligned properly for any | |
136 | possible value. Note that a value therefore extends beyond | |
137 | what is declared here. */ | |
c5aa993b JM |
138 | union |
139 | { | |
140 | long contents[1]; | |
141 | double force_double_align; | |
142 | LONGEST force_longlong_align; | |
143 | char *literal_data; | |
144 | } | |
145 | aligner; | |
c906108c SS |
146 | /* Do not add any new members here -- contents above will trash them */ |
147 | }; | |
148 | ||
149 | typedef struct value *value_ptr; | |
150 | ||
151 | #define VALUE_TYPE(val) (val)->type | |
152 | #define VALUE_ENCLOSING_TYPE(val) (val)->enclosing_type | |
153 | #define VALUE_LAZY(val) (val)->lazy | |
154 | /* VALUE_CONTENTS and VALUE_CONTENTS_RAW both return the address of | |
155 | the gdb buffer used to hold a copy of the contents of the lval. | |
156 | VALUE_CONTENTS is used when the contents of the buffer are needed -- | |
157 | it uses value_fetch_lazy() to load the buffer from the process being | |
158 | debugged if it hasn't already been loaded. VALUE_CONTENTS_RAW is | |
159 | used when data is being stored into the buffer, or when it is | |
160 | certain that the contents of the buffer are valid. | |
161 | Note: The contents pointer is adjusted by the offset required to | |
162 | get to the real subobject, if the value happens to represent | |
163 | something embedded in a larger run-time object. */ | |
164 | ||
165 | #define VALUE_CONTENTS_RAW(val) ((char *) (val)->aligner.contents + (val)->embedded_offset) | |
166 | #define VALUE_CONTENTS(val) ((void)(VALUE_LAZY(val) && value_fetch_lazy(val)),\ | |
167 | VALUE_CONTENTS_RAW(val)) | |
168 | ||
169 | /* The ALL variants of the above two macros do not adjust the returned | |
170 | pointer by the embedded_offset value. */ | |
c5aa993b | 171 | |
c906108c SS |
172 | #define VALUE_CONTENTS_ALL_RAW(val) ((char *) (val)->aligner.contents) |
173 | #define VALUE_CONTENTS_ALL(val) ((void) (VALUE_LAZY(val) && value_fetch_lazy(val)),\ | |
174 | VALUE_CONTENTS_ALL_RAW(val)) | |
c5aa993b JM |
175 | |
176 | ||
a14ed312 | 177 | extern int value_fetch_lazy (value_ptr val); |
c906108c SS |
178 | |
179 | #define VALUE_LVAL(val) (val)->lval | |
180 | #define VALUE_ADDRESS(val) (val)->location.address | |
181 | #define VALUE_INTERNALVAR(val) (val)->location.internalvar | |
182 | #define VALUE_FRAME_REGNUM(val) ((val)->location.regnum) | |
183 | #define VALUE_FRAME(val) ((val)->frame_addr) | |
184 | #define VALUE_OFFSET(val) (val)->offset | |
185 | #define VALUE_BITSIZE(val) (val)->bitsize | |
186 | #define VALUE_BITPOS(val) (val)->bitpos | |
187 | #define VALUE_NEXT(val) (val)->next | |
188 | #define VALUE_REGNO(val) (val)->regno | |
189 | #define VALUE_OPTIMIZED_OUT(val) ((val)->optimized_out) | |
190 | #define VALUE_EMBEDDED_OFFSET(val) ((val)->embedded_offset) | |
191 | #define VALUE_POINTED_TO_OFFSET(val) ((val)->pointed_to_offset) | |
192 | #define VALUE_BFD_SECTION(val) ((val)->bfd_section) | |
193 | ||
194 | /* Convert a REF to the object referenced. */ | |
195 | ||
196 | #define COERCE_REF(arg) \ | |
197 | do { struct type *value_type_arg_tmp = check_typedef (VALUE_TYPE (arg));\ | |
198 | if (TYPE_CODE (value_type_arg_tmp) == TYPE_CODE_REF) \ | |
199 | arg = value_at_lazy (TYPE_TARGET_TYPE (value_type_arg_tmp), \ | |
4478b372 JB |
200 | unpack_pointer (VALUE_TYPE (arg), \ |
201 | VALUE_CONTENTS (arg)), \ | |
c906108c SS |
202 | VALUE_BFD_SECTION (arg)); \ |
203 | } while (0) | |
204 | ||
205 | /* If ARG is an array, convert it to a pointer. | |
206 | If ARG is an enum, convert it to an integer. | |
207 | If ARG is a function, convert it to a function pointer. | |
208 | ||
209 | References are dereferenced. */ | |
210 | ||
211 | #define COERCE_ARRAY(arg) \ | |
212 | do { COERCE_REF(arg); \ | |
213 | if (current_language->c_style_arrays \ | |
214 | && TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \ | |
215 | arg = value_coerce_array (arg); \ | |
216 | if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_FUNC) \ | |
217 | arg = value_coerce_function (arg); \ | |
218 | } while (0) | |
219 | ||
220 | #define COERCE_NUMBER(arg) \ | |
221 | do { COERCE_ARRAY(arg); COERCE_ENUM(arg); } while (0) | |
222 | ||
223 | #define COERCE_VARYING_ARRAY(arg, real_arg_type) \ | |
224 | { if (chill_varying_type (real_arg_type)) \ | |
225 | arg = varying_to_slice (arg), real_arg_type = VALUE_TYPE (arg); } | |
226 | ||
227 | /* If ARG is an enum, convert it to an integer. */ | |
228 | ||
229 | #define COERCE_ENUM(arg) { \ | |
230 | if (TYPE_CODE (check_typedef (VALUE_TYPE (arg))) == TYPE_CODE_ENUM) \ | |
231 | arg = value_cast (builtin_type_unsigned_int, arg); \ | |
232 | } | |
233 | ||
234 | /* Internal variables (variables for convenience of use of debugger) | |
235 | are recorded as a chain of these structures. */ | |
236 | ||
237 | struct internalvar | |
c5aa993b JM |
238 | { |
239 | struct internalvar *next; | |
240 | char *name; | |
241 | value_ptr value; | |
242 | }; | |
c906108c SS |
243 | |
244 | /* Pointer to member function. Depends on compiler implementation. */ | |
245 | ||
246 | #define METHOD_PTR_IS_VIRTUAL(ADDR) ((ADDR) & 0x80000000) | |
247 | #define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET)) | |
248 | #define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR)) | |
c906108c | 249 | \f |
c5aa993b | 250 | |
c906108c SS |
251 | #include "symtab.h" |
252 | #include "gdbtypes.h" | |
253 | #include "expression.h" | |
254 | ||
c906108c SS |
255 | struct frame_info; |
256 | struct fn_field; | |
c906108c | 257 | |
d9fcf2fb | 258 | extern void print_address_demangle (CORE_ADDR, struct ui_file *, int); |
c906108c | 259 | |
a14ed312 | 260 | extern LONGEST value_as_long (value_ptr val); |
c906108c | 261 | |
a14ed312 | 262 | extern DOUBLEST value_as_double (value_ptr val); |
c906108c | 263 | |
a14ed312 | 264 | extern CORE_ADDR value_as_pointer (value_ptr val); |
c906108c | 265 | |
a14ed312 | 266 | extern LONGEST unpack_long (struct type *type, char *valaddr); |
c906108c | 267 | |
a14ed312 | 268 | extern DOUBLEST unpack_double (struct type *type, char *valaddr, int *invp); |
c906108c | 269 | |
a14ed312 | 270 | extern CORE_ADDR unpack_pointer (struct type *type, char *valaddr); |
c906108c | 271 | |
a14ed312 KB |
272 | extern LONGEST unpack_field_as_long (struct type *type, char *valaddr, |
273 | int fieldno); | |
c906108c | 274 | |
a14ed312 | 275 | extern value_ptr value_from_longest (struct type *type, LONGEST num); |
c906108c | 276 | |
4478b372 JB |
277 | extern value_ptr value_from_pointer (struct type *type, CORE_ADDR addr); |
278 | ||
a14ed312 | 279 | extern value_ptr value_from_double (struct type *type, DOUBLEST num); |
c906108c | 280 | |
a14ed312 | 281 | extern value_ptr value_from_string (char *string); |
0f71a2f6 | 282 | |
a14ed312 KB |
283 | extern value_ptr value_at (struct type *type, CORE_ADDR addr, |
284 | asection * sect); | |
c906108c | 285 | |
a14ed312 KB |
286 | extern value_ptr value_at_lazy (struct type *type, CORE_ADDR addr, |
287 | asection * sect); | |
c906108c | 288 | |
a14ed312 KB |
289 | extern value_ptr value_from_register (struct type *type, int regnum, |
290 | struct frame_info *frame); | |
c906108c | 291 | |
a14ed312 | 292 | extern value_ptr value_of_variable (struct symbol *var, struct block *b); |
c906108c | 293 | |
a14ed312 | 294 | extern value_ptr value_of_register (int regnum); |
c906108c | 295 | |
a14ed312 | 296 | extern int symbol_read_needs_frame (struct symbol *); |
c906108c | 297 | |
a14ed312 KB |
298 | extern value_ptr read_var_value (struct symbol *var, |
299 | struct frame_info *frame); | |
c906108c | 300 | |
a14ed312 KB |
301 | extern value_ptr locate_var_value (struct symbol *var, |
302 | struct frame_info *frame); | |
c906108c | 303 | |
a14ed312 | 304 | extern value_ptr allocate_value (struct type *type); |
c906108c | 305 | |
a14ed312 | 306 | extern value_ptr allocate_repeat_value (struct type *type, int count); |
c906108c | 307 | |
a14ed312 | 308 | extern value_ptr value_mark (void); |
c906108c | 309 | |
a14ed312 | 310 | extern void value_free_to_mark (value_ptr mark); |
c906108c | 311 | |
a14ed312 KB |
312 | extern value_ptr value_string (char *ptr, int len); |
313 | extern value_ptr value_bitstring (char *ptr, int len); | |
c906108c | 314 | |
a14ed312 KB |
315 | extern value_ptr value_array (int lowbound, int highbound, |
316 | value_ptr * elemvec); | |
c906108c | 317 | |
a14ed312 | 318 | extern value_ptr value_concat (value_ptr arg1, value_ptr arg2); |
c906108c | 319 | |
a14ed312 KB |
320 | extern value_ptr value_binop (value_ptr arg1, value_ptr arg2, |
321 | enum exp_opcode op); | |
c906108c | 322 | |
a14ed312 | 323 | extern value_ptr value_add (value_ptr arg1, value_ptr arg2); |
c906108c | 324 | |
a14ed312 | 325 | extern value_ptr value_sub (value_ptr arg1, value_ptr arg2); |
c906108c | 326 | |
a14ed312 | 327 | extern value_ptr value_coerce_array (value_ptr arg1); |
c906108c | 328 | |
a14ed312 | 329 | extern value_ptr value_coerce_function (value_ptr arg1); |
c906108c | 330 | |
a14ed312 | 331 | extern value_ptr value_ind (value_ptr arg1); |
c906108c | 332 | |
a14ed312 | 333 | extern value_ptr value_addr (value_ptr arg1); |
c906108c | 334 | |
a14ed312 | 335 | extern value_ptr value_assign (value_ptr toval, value_ptr fromval); |
c906108c | 336 | |
a14ed312 | 337 | extern value_ptr value_neg (value_ptr arg1); |
c906108c | 338 | |
a14ed312 | 339 | extern value_ptr value_complement (value_ptr arg1); |
c906108c | 340 | |
a14ed312 KB |
341 | extern value_ptr value_struct_elt (value_ptr * argp, value_ptr * args, |
342 | char *name, | |
343 | int *static_memfuncp, char *err); | |
c906108c | 344 | |
a14ed312 KB |
345 | extern value_ptr value_struct_elt_for_reference (struct type *domain, |
346 | int offset, | |
347 | struct type *curtype, | |
348 | char *name, | |
349 | struct type *intype); | |
c906108c | 350 | |
a14ed312 | 351 | extern value_ptr value_static_field (struct type *type, int fieldno); |
c906108c | 352 | |
a14ed312 KB |
353 | extern struct fn_field *value_find_oload_method_list (value_ptr *, char *, |
354 | int, int *, int *, | |
355 | struct type **, int *); | |
7a292a7a | 356 | |
a14ed312 KB |
357 | extern int find_overload_match (struct type **arg_types, int nargs, |
358 | char *name, int method, int lax, | |
359 | value_ptr obj, struct symbol *fsym, | |
360 | value_ptr * valp, struct symbol **symp, | |
361 | int *staticp); | |
c906108c | 362 | |
a14ed312 | 363 | extern value_ptr value_field (value_ptr arg1, int fieldno); |
c906108c | 364 | |
a14ed312 KB |
365 | extern value_ptr value_primitive_field (value_ptr arg1, int offset, |
366 | int fieldno, struct type *arg_type); | |
c906108c | 367 | |
a14ed312 | 368 | extern struct type *value_rtti_type (value_ptr, int *, int *, int *); |
c906108c | 369 | |
a14ed312 | 370 | extern struct type *value_rtti_target_type (value_ptr, int *, int *, int *); |
c906108c | 371 | |
a14ed312 | 372 | extern value_ptr value_full_object (value_ptr, struct type *, int, int, int); |
c906108c | 373 | |
a14ed312 | 374 | extern value_ptr value_cast (struct type *type, value_ptr arg2); |
c906108c | 375 | |
a14ed312 | 376 | extern value_ptr value_zero (struct type *type, enum lval_type lv); |
c906108c | 377 | |
a14ed312 | 378 | extern value_ptr value_repeat (value_ptr arg1, int count); |
c906108c | 379 | |
a14ed312 | 380 | extern value_ptr value_subscript (value_ptr array, value_ptr idx); |
c906108c | 381 | |
a14ed312 | 382 | extern value_ptr value_from_vtable_info (value_ptr arg, struct type *type); |
c906108c | 383 | |
a14ed312 KB |
384 | extern value_ptr value_being_returned (struct type *valtype, |
385 | char *retbuf, int struct_return); | |
c906108c | 386 | |
a14ed312 | 387 | extern value_ptr value_in (value_ptr element, value_ptr set); |
c906108c | 388 | |
a14ed312 | 389 | extern int value_bit_index (struct type *type, char *addr, int index); |
c906108c | 390 | |
a14ed312 KB |
391 | extern int using_struct_return (value_ptr function, CORE_ADDR funcaddr, |
392 | struct type *value_type, int gcc_p); | |
c906108c | 393 | |
a14ed312 | 394 | extern void set_return_value (value_ptr val); |
c906108c | 395 | |
a14ed312 | 396 | extern value_ptr evaluate_expression (struct expression *exp); |
c906108c | 397 | |
a14ed312 | 398 | extern value_ptr evaluate_type (struct expression *exp); |
c906108c | 399 | |
a14ed312 KB |
400 | extern value_ptr evaluate_subexp_with_coercion (struct expression *, |
401 | int *, enum noside); | |
c906108c | 402 | |
a14ed312 | 403 | extern value_ptr parse_and_eval (char *exp); |
c906108c | 404 | |
a14ed312 | 405 | extern value_ptr parse_to_comma_and_eval (char **expp); |
c906108c | 406 | |
a14ed312 | 407 | extern struct type *parse_and_eval_type (char *p, int length); |
c906108c | 408 | |
a14ed312 | 409 | extern CORE_ADDR parse_and_eval_address (char *exp); |
c906108c | 410 | |
a14ed312 | 411 | extern CORE_ADDR parse_and_eval_address_1 (char **expptr); |
c906108c | 412 | |
a14ed312 | 413 | extern value_ptr access_value_history (int num); |
c906108c | 414 | |
a14ed312 | 415 | extern value_ptr value_of_internalvar (struct internalvar *var); |
c906108c | 416 | |
a14ed312 | 417 | extern void set_internalvar (struct internalvar *var, value_ptr val); |
c906108c | 418 | |
a14ed312 KB |
419 | extern void set_internalvar_component (struct internalvar *var, |
420 | int offset, | |
421 | int bitpos, int bitsize, | |
422 | value_ptr newvalue); | |
c906108c | 423 | |
a14ed312 | 424 | extern struct internalvar *lookup_internalvar (char *name); |
c906108c | 425 | |
a14ed312 | 426 | extern int value_equal (value_ptr arg1, value_ptr arg2); |
c906108c | 427 | |
a14ed312 | 428 | extern int value_less (value_ptr arg1, value_ptr arg2); |
c906108c | 429 | |
a14ed312 | 430 | extern int value_logical_not (value_ptr arg1); |
c906108c SS |
431 | |
432 | /* C++ */ | |
433 | ||
a14ed312 | 434 | extern value_ptr value_of_this (int complain); |
c906108c | 435 | |
a14ed312 KB |
436 | extern value_ptr value_x_binop (value_ptr arg1, value_ptr arg2, |
437 | enum exp_opcode op, | |
438 | enum exp_opcode otherop, enum noside noside); | |
c906108c | 439 | |
a14ed312 KB |
440 | extern value_ptr value_x_unop (value_ptr arg1, enum exp_opcode op, |
441 | enum noside noside); | |
c906108c | 442 | |
a14ed312 KB |
443 | extern value_ptr value_fn_field (value_ptr * arg1p, struct fn_field *f, |
444 | int j, struct type *type, int offset); | |
c906108c | 445 | |
a14ed312 KB |
446 | extern value_ptr value_virtual_fn_field (value_ptr * arg1p, |
447 | struct fn_field *f, int j, | |
448 | struct type *type, int offset); | |
c906108c | 449 | |
a14ed312 KB |
450 | extern int binop_user_defined_p (enum exp_opcode op, |
451 | value_ptr arg1, value_ptr arg2); | |
c906108c | 452 | |
a14ed312 | 453 | extern int unop_user_defined_p (enum exp_opcode op, value_ptr arg1); |
c906108c | 454 | |
a14ed312 | 455 | extern int destructor_name_p (const char *name, const struct type *type); |
c906108c SS |
456 | |
457 | #define value_free(val) free ((PTR)val) | |
458 | ||
a14ed312 | 459 | extern void free_all_values (void); |
c906108c | 460 | |
a14ed312 | 461 | extern void release_value (value_ptr val); |
c906108c | 462 | |
a14ed312 | 463 | extern int record_latest_value (value_ptr val); |
c906108c | 464 | |
a14ed312 | 465 | extern void registers_changed (void); |
c906108c | 466 | |
a14ed312 | 467 | extern void read_register_bytes (int regbyte, char *myaddr, int len); |
c906108c | 468 | |
a14ed312 | 469 | extern void write_register_bytes (int regbyte, char *myaddr, int len); |
c906108c | 470 | |
a14ed312 | 471 | extern void read_register_gen (int regno, char *myaddr); |
c906108c | 472 | |
a14ed312 | 473 | extern void write_register_gen (int regno, char *myaddr); |
cbda0a99 | 474 | |
173155e8 AC |
475 | /* Rename to read_unsigned_register()? */ |
476 | extern ULONGEST read_register (int regno); | |
c906108c | 477 | |
173155e8 AC |
478 | extern LONGEST read_signed_register (int regno); |
479 | ||
480 | /* Rename to read_unsigned_register_pid()? */ | |
481 | extern ULONGEST read_register_pid (int regno, int pid); | |
482 | ||
483 | extern LONGEST read_signed_register_pid (int regno, int pid); | |
c906108c | 484 | |
a14ed312 | 485 | extern void write_register (int regno, LONGEST val); |
c906108c | 486 | |
a14ed312 | 487 | extern void write_register_pid (int regno, CORE_ADDR val, int pid); |
c906108c | 488 | |
a14ed312 | 489 | extern void supply_register (int regno, char *val); |
c906108c | 490 | |
32178cab MS |
491 | extern int register_cached (int regno); |
492 | ||
2dc4e391 DT |
493 | extern void register_changed (int regnum); |
494 | ||
a14ed312 KB |
495 | extern void get_saved_register (char *raw_buffer, int *optimized, |
496 | CORE_ADDR * addrp, | |
497 | struct frame_info *frame, | |
498 | int regnum, enum lval_type *lval); | |
c906108c SS |
499 | |
500 | extern void | |
a14ed312 | 501 | modify_field (char *addr, LONGEST fieldval, int bitpos, int bitsize); |
c906108c | 502 | |
d9fcf2fb JM |
503 | extern void type_print (struct type * type, char *varstring, |
504 | struct ui_file * stream, int show); | |
c906108c | 505 | |
a14ed312 KB |
506 | extern char *baseclass_addr (struct type *type, int index, |
507 | char *valaddr, value_ptr * valuep, int *errp); | |
c906108c | 508 | |
d9fcf2fb JM |
509 | extern void print_longest (struct ui_file * stream, int format, |
510 | int use_local, LONGEST val); | |
c906108c | 511 | |
d9fcf2fb JM |
512 | extern void print_floating (char *valaddr, struct type * type, |
513 | struct ui_file * stream); | |
c906108c | 514 | |
d9fcf2fb JM |
515 | extern int value_print (value_ptr val, struct ui_file *stream, int format, |
516 | enum val_prettyprint pretty); | |
c906108c | 517 | |
d9fcf2fb JM |
518 | extern void value_print_array_elements (value_ptr val, |
519 | struct ui_file *stream, | |
520 | int format, | |
521 | enum val_prettyprint pretty); | |
c906108c | 522 | |
a14ed312 | 523 | extern value_ptr value_release_to_mark (value_ptr mark); |
c906108c | 524 | |
d9fcf2fb JM |
525 | extern int val_print (struct type * type, char *valaddr, |
526 | int embedded_offset, CORE_ADDR address, | |
527 | struct ui_file * stream, int format, | |
528 | int deref_ref, int recurse, | |
529 | enum val_prettyprint pretty); | |
c906108c | 530 | |
d9fcf2fb | 531 | extern int val_print_string (CORE_ADDR addr, int len, int width, struct ui_file *stream); |
c906108c | 532 | |
d9fcf2fb JM |
533 | extern void print_variable_value (struct symbol * var, |
534 | struct frame_info * frame, | |
535 | struct ui_file *stream); | |
c906108c | 536 | |
a14ed312 | 537 | extern int check_field (value_ptr, const char *); |
c906108c | 538 | |
a5238fbc | 539 | extern void typedef_print (struct type * type, struct symbol * news, |
d9fcf2fb | 540 | struct ui_file * stream); |
c906108c | 541 | |
a14ed312 | 542 | extern char *internalvar_name (struct internalvar *var); |
c906108c | 543 | |
a14ed312 | 544 | extern void clear_value_history (void); |
c906108c | 545 | |
a14ed312 | 546 | extern void clear_internalvars (void); |
c906108c SS |
547 | |
548 | /* From values.c */ | |
549 | ||
a14ed312 | 550 | extern value_ptr value_copy (value_ptr); |
c906108c | 551 | |
a14ed312 | 552 | extern int baseclass_offset (struct type *, int, char *, CORE_ADDR); |
c906108c SS |
553 | |
554 | /* From valops.c */ | |
555 | ||
a14ed312 | 556 | extern value_ptr varying_to_slice (value_ptr); |
c906108c | 557 | |
a14ed312 | 558 | extern value_ptr value_slice (value_ptr, int, int); |
c906108c | 559 | |
a14ed312 | 560 | extern value_ptr call_function_by_hand (value_ptr, int, value_ptr *); |
c906108c | 561 | |
b9a8e3bf JB |
562 | extern int default_coerce_float_to_double (struct type *, struct type *); |
563 | ||
564 | extern int standard_coerce_float_to_double (struct type *, struct type *); | |
565 | ||
a14ed312 | 566 | extern value_ptr value_literal_complex (value_ptr, value_ptr, struct type *); |
c906108c | 567 | |
a14ed312 KB |
568 | extern void find_rt_vbase_offset (struct type *, struct type *, char *, int, |
569 | int *, int *); | |
c906108c | 570 | |
a14ed312 | 571 | extern value_ptr find_function_in_inferior (char *); |
c906108c | 572 | |
a14ed312 | 573 | extern value_ptr value_allocate_space_in_inferior (int); |
c906108c | 574 | |
a14ed312 KB |
575 | extern CORE_ADDR default_push_arguments (int nargs, value_ptr * args, |
576 | CORE_ADDR sp, | |
577 | int struct_return, | |
578 | CORE_ADDR struct_addr); | |
392a587b | 579 | |
c5aa993b | 580 | #endif /* !defined (VALUE_H) */ |