Commit | Line | Data |
---|---|---|
bd5635a1 | 1 | /* Definitions for values of C expressions, for GDB. |
b5865bb2 WM |
2 | Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996 |
3 | Free Software Foundation, Inc. | |
bd5635a1 RP |
4 | |
5 | This file is part of GDB. | |
6 | ||
e17960fb | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
e17960fb JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
e17960fb | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
e17960fb | 18 | along with this program; if not, write to the Free Software |
b5865bb2 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
bd5635a1 RP |
20 | |
21 | #if !defined (VALUE_H) | |
22 | #define VALUE_H 1 | |
01be6913 | 23 | |
bd5635a1 RP |
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 | */ | |
29 | enum lval_type { | |
30 | /* Not an lval. */ | |
31 | not_lval, | |
32 | /* In memory. Could be a saved register. */ | |
33 | lval_memory, | |
34 | /* In a register. */ | |
35 | lval_register, | |
36 | /* In a gdb internal variable. */ | |
37 | lval_internalvar, | |
38 | /* Part of a gdb internal variable (structure field). */ | |
39 | lval_internalvar_component, | |
40 | /* In a register series in a frame not the current one, which may have been | |
41 | partially saved or saved in different places (otherwise would be | |
42 | lval_register or lval_memory). */ | |
e17960fb | 43 | lval_reg_frame_relative |
bd5635a1 RP |
44 | }; |
45 | ||
46 | struct value | |
47 | { | |
48 | /* Type of value; either not an lval, or one of the various | |
49 | different possible kinds of lval. */ | |
50 | enum lval_type lval; | |
30974778 JK |
51 | /* Is it modifiable? Only relevant if lval != not_lval. */ |
52 | int modifiable; | |
bd5635a1 RP |
53 | /* Location of value (if lval). */ |
54 | union | |
55 | { | |
56 | /* Address in inferior or byte of registers structure. */ | |
57 | CORE_ADDR address; | |
35fcebce | 58 | /* Pointer to internal variable. */ |
bd5635a1 RP |
59 | struct internalvar *internalvar; |
60 | /* Number of register. Only used with | |
61 | lval_reg_frame_relative. */ | |
62 | int regnum; | |
63 | } location; | |
4ef1f467 DT |
64 | /* Describes offset of a value within lval of a structure in bytes. |
65 | This is used in retrieving contents from target memory. [Note also | |
66 | the member embedded_offset below.] */ | |
bd5635a1 RP |
67 | int offset; |
68 | /* Only used for bitfields; number of bits contained in them. */ | |
69 | int bitsize; | |
35fcebce PB |
70 | /* Only used for bitfields; position of start of field. |
71 | For BITS_BIG_ENDIAN=0 targets, it is the position of the LSB. | |
72 | For BITS_BIG_ENDIAN=1 targets, it is the position of the MSB. */ | |
bd5635a1 RP |
73 | int bitpos; |
74 | /* Frame value is relative to. In practice, this address is only | |
75 | used if the value is stored in several registers in other than | |
76 | the current frame, and these registers have not all been saved | |
77 | at the same place in memory. This will be described in the | |
78 | lval enum above as "lval_reg_frame_relative". */ | |
79 | CORE_ADDR frame_addr; | |
80 | /* Type of the value. */ | |
81 | struct type *type; | |
4ef1f467 DT |
82 | /* Type of the enclosing object if this is an embedded subobject. |
83 | The member embedded_offset gives the real position of the subobject | |
84 | if type is not the same as enclosing_type. | |
85 | ||
86 | If the type field is a pointer type, then enclosing_type is | |
87 | a pointer type pointing to the real (enclosing) type of the target | |
88 | object. */ | |
89 | struct type *enclosing_type; | |
bd5635a1 RP |
90 | /* Values are stored in a chain, so that they can be deleted |
91 | easily over calls to the inferior. Values assigned to internal | |
92 | variables or put into the value history are taken off this | |
93 | list. */ | |
94 | struct value *next; | |
ff87df19 JK |
95 | |
96 | /* ??? When is this used? */ | |
97 | union { | |
98 | CORE_ADDR memaddr; | |
99 | char *myaddr; | |
100 | } substring_addr; | |
101 | ||
bd5635a1 RP |
102 | /* Register number if the value is from a register. Is not kept |
103 | if you take a field of a structure that is stored in a | |
104 | register. Shouldn't it be? */ | |
105 | short regno; | |
106 | /* If zero, contents of this value are in the contents field. | |
107 | If nonzero, contents are in inferior memory at address | |
108 | in the location.address field plus the offset field | |
109 | (and the lval field should be lval_memory). */ | |
110 | char lazy; | |
111 | /* If nonzero, this is the value of a variable which does not | |
112 | actually exist in the program. */ | |
113 | char optimized_out; | |
4ef1f467 DT |
114 | /* If this value represents an object that is embedded inside a |
115 | larger object (e.g., a base subobject in C++), this gives the | |
116 | offset (in bytes) from the start of the contents buffer where | |
117 | the embedded object begins. This is required because some C++ | |
118 | runtime implementations lay out objects (especially virtual bases | |
119 | with possibly negative offsets to ancestors). | |
120 | Note: This may be positive or negative! Also note that this offset | |
121 | is not used when retrieving contents from target memory; the entire | |
122 | enclosing object has to be retrieved always, and the offset for | |
123 | that is given by the member offset above. */ | |
124 | int embedded_offset; | |
125 | /* If this value represents a pointer to an object that is embedded | |
126 | in another object, this gives the embedded_offset of the object | |
127 | that is pointed to. */ | |
128 | int pointed_to_offset; | |
ad3b8c4a JM |
129 | /* The BFD section associated with this value. */ |
130 | asection *bfd_section; | |
bd5635a1 RP |
131 | /* Actual contents of the value. For use of this value; setting |
132 | it uses the stuff above. Not valid if lazy is nonzero. | |
133 | Target byte-order. We force it to be aligned properly for any | |
4ef1f467 DT |
134 | possible value. Note that a value therefore extends beyond |
135 | what is declared here. */ | |
bd5635a1 RP |
136 | union { |
137 | long contents[1]; | |
138 | double force_double_align; | |
30974778 | 139 | LONGEST force_longlong_align; |
ff87df19 | 140 | char *literal_data; |
bd5635a1 | 141 | } aligner; |
4ef1f467 | 142 | /* Do not add any new members here -- contents above will trash them */ |
bd5635a1 RP |
143 | }; |
144 | ||
82a2edfb | 145 | typedef struct value *value_ptr; |
bd5635a1 RP |
146 | |
147 | #define VALUE_TYPE(val) (val)->type | |
4ef1f467 | 148 | #define VALUE_ENCLOSING_TYPE(val) (val)->enclosing_type |
bd5635a1 RP |
149 | #define VALUE_LAZY(val) (val)->lazy |
150 | /* VALUE_CONTENTS and VALUE_CONTENTS_RAW both return the address of | |
151 | the gdb buffer used to hold a copy of the contents of the lval. | |
152 | VALUE_CONTENTS is used when the contents of the buffer are needed -- | |
153 | it uses value_fetch_lazy() to load the buffer from the process being | |
154 | debugged if it hasn't already been loaded. VALUE_CONTENTS_RAW is | |
155 | used when data is being stored into the buffer, or when it is | |
4ef1f467 DT |
156 | certain that the contents of the buffer are valid. |
157 | Note: The contents pointer is adjusted by the offset required to | |
158 | get to the real subobject, if the value happens to represent | |
159 | something embedded in a larger run-time object. */ | |
160 | ||
161 | #define VALUE_CONTENTS_RAW(val) ((char *) (val)->aligner.contents + (val)->embedded_offset) | |
bd5635a1 RP |
162 | #define VALUE_CONTENTS(val) ((void)(VALUE_LAZY(val) && value_fetch_lazy(val)),\ |
163 | VALUE_CONTENTS_RAW(val)) | |
4ef1f467 DT |
164 | |
165 | /* The ALL variants of the above two macros do not adjust the returned | |
166 | pointer by the embedded_offset value. */ | |
167 | ||
168 | #define VALUE_CONTENTS_ALL_RAW(val) ((char *) (val)->aligner.contents) | |
169 | #define VALUE_CONTENTS_ALL(val) ((void) (VALUE_LAZY(val) && value_fetch_lazy(val)),\ | |
170 | VALUE_CONTENTS_ALL_RAW(val)) | |
171 | ||
172 | ||
82a2edfb | 173 | extern int value_fetch_lazy PARAMS ((value_ptr val)); |
01be6913 | 174 | |
bd5635a1 RP |
175 | #define VALUE_LVAL(val) (val)->lval |
176 | #define VALUE_ADDRESS(val) (val)->location.address | |
177 | #define VALUE_INTERNALVAR(val) (val)->location.internalvar | |
178 | #define VALUE_FRAME_REGNUM(val) ((val)->location.regnum) | |
179 | #define VALUE_FRAME(val) ((val)->frame_addr) | |
180 | #define VALUE_OFFSET(val) (val)->offset | |
181 | #define VALUE_BITSIZE(val) (val)->bitsize | |
182 | #define VALUE_BITPOS(val) (val)->bitpos | |
183 | #define VALUE_NEXT(val) (val)->next | |
bd5635a1 RP |
184 | #define VALUE_REGNO(val) (val)->regno |
185 | #define VALUE_OPTIMIZED_OUT(val) ((val)->optimized_out) | |
4ef1f467 DT |
186 | #define VALUE_EMBEDDED_OFFSET(val) ((val)->embedded_offset) |
187 | #define VALUE_POINTED_TO_OFFSET(val) ((val)->pointed_to_offset) | |
ad3b8c4a | 188 | #define VALUE_BFD_SECTION(val) ((val)->bfd_section) |
bd5635a1 RP |
189 | |
190 | /* Convert a REF to the object referenced. */ | |
191 | ||
192 | #define COERCE_REF(arg) \ | |
ad3b8c4a JM |
193 | do { struct type *value_type_arg_tmp = check_typedef (VALUE_TYPE (arg));\ |
194 | if (TYPE_CODE (value_type_arg_tmp) == TYPE_CODE_REF) \ | |
195 | arg = value_at_lazy (TYPE_TARGET_TYPE (value_type_arg_tmp), \ | |
196 | unpack_long (VALUE_TYPE (arg), \ | |
197 | VALUE_CONTENTS (arg)), \ | |
198 | VALUE_BFD_SECTION (arg)); \ | |
199 | } while (0) | |
bd5635a1 RP |
200 | |
201 | /* If ARG is an array, convert it to a pointer. | |
202 | If ARG is an enum, convert it to an integer. | |
203 | If ARG is a function, convert it to a function pointer. | |
204 | ||
205 | References are dereferenced. */ | |
206 | ||
207 | #define COERCE_ARRAY(arg) \ | |
b5865bb2 | 208 | do { COERCE_REF(arg); \ |
f91a9e05 | 209 | if (current_language->c_style_arrays \ |
b5865bb2 | 210 | && TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_ARRAY) \ |
bd5635a1 RP |
211 | arg = value_coerce_array (arg); \ |
212 | if (TYPE_CODE (VALUE_TYPE (arg)) == TYPE_CODE_FUNC) \ | |
213 | arg = value_coerce_function (arg); \ | |
b5865bb2 WM |
214 | } while (0) |
215 | ||
216 | #define COERCE_NUMBER(arg) \ | |
217 | do { COERCE_ARRAY(arg); COERCE_ENUM(arg); } while (0) | |
bd5635a1 | 218 | |
b5865bb2 WM |
219 | #define COERCE_VARYING_ARRAY(arg, real_arg_type) \ |
220 | { if (chill_varying_type (real_arg_type)) \ | |
221 | arg = varying_to_slice (arg), real_arg_type = VALUE_TYPE (arg); } | |
f91a9e05 | 222 | |
bd5635a1 RP |
223 | /* If ARG is an enum, convert it to an integer. */ |
224 | ||
b5865bb2 | 225 | #define COERCE_ENUM(arg) { \ |
ad3b8c4a | 226 | if (TYPE_CODE (check_typedef (VALUE_TYPE (arg))) == TYPE_CODE_ENUM) \ |
bd5635a1 RP |
227 | arg = value_cast (builtin_type_unsigned_int, arg); \ |
228 | } | |
229 | ||
230 | /* Internal variables (variables for convenience of use of debugger) | |
231 | are recorded as a chain of these structures. */ | |
232 | ||
233 | struct internalvar | |
234 | { | |
235 | struct internalvar *next; | |
236 | char *name; | |
82a2edfb | 237 | value_ptr value; |
bd5635a1 | 238 | }; |
01be6913 | 239 | |
35fcebce PB |
240 | /* Pointer to member function. Depends on compiler implementation. */ |
241 | ||
242 | #define METHOD_PTR_IS_VIRTUAL(ADDR) ((ADDR) & 0x80000000) | |
243 | #define METHOD_PTR_FROM_VOFFSET(OFFSET) (0x80000000 + (OFFSET)) | |
244 | #define METHOD_PTR_TO_VOFFSET(ADDR) (~0x80000000 & (ADDR)) | |
245 | ||
bd5635a1 RP |
246 | \f |
247 | #include "symtab.h" | |
01be6913 PB |
248 | #include "gdbtypes.h" |
249 | #include "expression.h" | |
250 | ||
e17960fb | 251 | #ifdef __STDC__ |
01be6913 | 252 | struct frame_info; |
c7da3ed3 | 253 | struct fn_field; |
e17960fb | 254 | #endif |
01be6913 PB |
255 | |
256 | extern void | |
30974778 | 257 | print_address_demangle PARAMS ((CORE_ADDR, GDB_FILE *, int)); |
01be6913 | 258 | |
82a2edfb | 259 | extern LONGEST value_as_long PARAMS ((value_ptr val)); |
01be6913 | 260 | |
b5865bb2 | 261 | extern DOUBLEST value_as_double PARAMS ((value_ptr val)); |
01be6913 | 262 | |
82a2edfb | 263 | extern CORE_ADDR value_as_pointer PARAMS ((value_ptr val)); |
01be6913 | 264 | |
82a2edfb | 265 | extern LONGEST unpack_long PARAMS ((struct type *type, char *valaddr)); |
01be6913 | 266 | |
b5865bb2 WM |
267 | extern DOUBLEST unpack_double PARAMS ((struct type *type, char *valaddr, |
268 | int *invp)); | |
01be6913 | 269 | |
5573d7d4 | 270 | extern CORE_ADDR unpack_pointer PARAMS ((struct type *type, char *valaddr)); |
01be6913 | 271 | |
5573d7d4 JK |
272 | extern LONGEST unpack_field_as_long PARAMS ((struct type *type, char *valaddr, |
273 | int fieldno)); | |
01be6913 | 274 | |
82a2edfb | 275 | extern value_ptr value_from_longest PARAMS ((struct type *type, LONGEST num)); |
01be6913 | 276 | |
b5865bb2 | 277 | extern value_ptr value_from_double PARAMS ((struct type *type, DOUBLEST num)); |
01be6913 | 278 | |
ad3b8c4a | 279 | extern value_ptr value_at PARAMS ((struct type *type, CORE_ADDR addr, asection *sect)); |
01be6913 | 280 | |
ad3b8c4a | 281 | extern value_ptr value_at_lazy PARAMS ((struct type *type, CORE_ADDR addr, asection *sect)); |
01be6913 | 282 | |
82a2edfb | 283 | extern value_ptr value_from_register PARAMS ((struct type *type, int regnum, |
5573d7d4 | 284 | struct frame_info * frame)); |
01be6913 | 285 | |
82a2edfb JK |
286 | extern value_ptr value_of_variable PARAMS ((struct symbol *var, |
287 | struct block *b)); | |
01be6913 | 288 | |
82a2edfb | 289 | extern value_ptr value_of_register PARAMS ((int regnum)); |
01be6913 | 290 | |
30974778 JK |
291 | extern int symbol_read_needs_frame PARAMS ((struct symbol *)); |
292 | ||
82a2edfb JK |
293 | extern value_ptr read_var_value PARAMS ((struct symbol *var, |
294 | struct frame_info *frame)); | |
01be6913 | 295 | |
82a2edfb | 296 | extern value_ptr locate_var_value PARAMS ((struct symbol *var, |
5573d7d4 | 297 | struct frame_info *frame)); |
01be6913 | 298 | |
82a2edfb | 299 | extern value_ptr allocate_value PARAMS ((struct type *type)); |
01be6913 | 300 | |
82a2edfb | 301 | extern value_ptr allocate_repeat_value PARAMS ((struct type *type, int count)); |
01be6913 | 302 | |
82a2edfb | 303 | extern value_ptr value_mark PARAMS ((void)); |
01be6913 | 304 | |
82a2edfb | 305 | extern void value_free_to_mark PARAMS ((value_ptr mark)); |
01be6913 | 306 | |
82a2edfb | 307 | extern value_ptr value_string PARAMS ((char *ptr, int len)); |
6d34c236 | 308 | extern value_ptr value_bitstring PARAMS ((char *ptr, int len)); |
01be6913 | 309 | |
82a2edfb JK |
310 | extern value_ptr value_array PARAMS ((int lowbound, int highbound, |
311 | value_ptr *elemvec)); | |
7efb57c3 | 312 | |
82a2edfb | 313 | extern value_ptr value_concat PARAMS ((value_ptr arg1, value_ptr arg2)); |
7efb57c3 | 314 | |
82a2edfb JK |
315 | extern value_ptr value_binop PARAMS ((value_ptr arg1, value_ptr arg2, |
316 | enum exp_opcode op)); | |
01be6913 | 317 | |
82a2edfb | 318 | extern value_ptr value_add PARAMS ((value_ptr arg1, value_ptr arg2)); |
01be6913 | 319 | |
82a2edfb | 320 | extern value_ptr value_sub PARAMS ((value_ptr arg1, value_ptr arg2)); |
01be6913 | 321 | |
82a2edfb | 322 | extern value_ptr value_coerce_array PARAMS ((value_ptr arg1)); |
01be6913 | 323 | |
82a2edfb | 324 | extern value_ptr value_coerce_function PARAMS ((value_ptr arg1)); |
01be6913 | 325 | |
82a2edfb | 326 | extern value_ptr value_ind PARAMS ((value_ptr arg1)); |
01be6913 | 327 | |
82a2edfb | 328 | extern value_ptr value_addr PARAMS ((value_ptr arg1)); |
01be6913 | 329 | |
82a2edfb | 330 | extern value_ptr value_assign PARAMS ((value_ptr toval, value_ptr fromval)); |
01be6913 | 331 | |
82a2edfb | 332 | extern value_ptr value_neg PARAMS ((value_ptr arg1)); |
01be6913 | 333 | |
82a2edfb | 334 | extern value_ptr value_complement PARAMS ((value_ptr arg1)); |
01be6913 | 335 | |
999dd04b | 336 | extern value_ptr value_struct_elt PARAMS ((value_ptr *argp, value_ptr *args, |
82a2edfb JK |
337 | char *name, |
338 | int *static_memfuncp, char *err)); | |
01be6913 | 339 | |
82a2edfb JK |
340 | extern value_ptr value_struct_elt_for_reference PARAMS ((struct type *domain, |
341 | int offset, | |
342 | struct type *curtype, | |
343 | char *name, | |
344 | struct type *intype)); | |
01be6913 | 345 | |
ad3b8c4a JM |
346 | extern value_ptr value_static_field PARAMS ((struct type *type, int fieldno)); |
347 | ||
4ef1f467 DT |
348 | extern struct fn_field * |
349 | value_find_oload_method_list PARAMS ((value_ptr *, char *, int, int *, int *, struct type **, int *)); | |
350 | ||
82a2edfb | 351 | extern value_ptr value_field PARAMS ((value_ptr arg1, int fieldno)); |
01be6913 | 352 | |
82a2edfb JK |
353 | extern value_ptr value_primitive_field PARAMS ((value_ptr arg1, int offset, |
354 | int fieldno, | |
355 | struct type *arg_type)); | |
01be6913 | 356 | |
4ef1f467 DT |
357 | extern struct type * |
358 | value_rtti_type PARAMS ((value_ptr, int *, int *, int *)); | |
359 | ||
360 | extern struct type * | |
361 | value_rtti_target_type PARAMS ((value_ptr, int *, int *, int *)); | |
362 | ||
363 | extern value_ptr | |
364 | value_full_object PARAMS ((value_ptr, struct type *, int, int, int)); | |
365 | ||
82a2edfb | 366 | extern value_ptr value_cast PARAMS ((struct type *type, value_ptr arg2)); |
01be6913 | 367 | |
82a2edfb | 368 | extern value_ptr value_zero PARAMS ((struct type *type, enum lval_type lv)); |
01be6913 | 369 | |
82a2edfb | 370 | extern value_ptr value_repeat PARAMS ((value_ptr arg1, int count)); |
01be6913 | 371 | |
82a2edfb | 372 | extern value_ptr value_subscript PARAMS ((value_ptr array, value_ptr idx)); |
01be6913 | 373 | |
82a2edfb JK |
374 | extern value_ptr value_from_vtable_info PARAMS ((value_ptr arg, |
375 | struct type *type)); | |
01be6913 | 376 | |
82a2edfb JK |
377 | extern value_ptr value_being_returned PARAMS ((struct type *valtype, |
378 | char retbuf[REGISTER_BYTES], | |
379 | int struct_return)); | |
01be6913 | 380 | |
82a2edfb | 381 | extern value_ptr value_in PARAMS ((value_ptr element, value_ptr set)); |
30974778 JK |
382 | |
383 | extern int value_bit_index PARAMS ((struct type *type, char *addr, int index)); | |
384 | ||
82a2edfb JK |
385 | extern int using_struct_return PARAMS ((value_ptr function, CORE_ADDR funcaddr, |
386 | struct type *value_type, int gcc_p)); | |
01be6913 | 387 | |
82a2edfb | 388 | extern void set_return_value PARAMS ((value_ptr val)); |
01be6913 | 389 | |
82a2edfb | 390 | extern value_ptr evaluate_expression PARAMS ((struct expression *exp)); |
01be6913 | 391 | |
82a2edfb | 392 | extern value_ptr evaluate_type PARAMS ((struct expression *exp)); |
01be6913 | 393 | |
b5865bb2 WM |
394 | extern value_ptr evaluate_subexp_with_coercion PARAMS ((struct expression *, |
395 | int *, enum noside)); | |
396 | ||
82a2edfb | 397 | extern value_ptr parse_and_eval PARAMS ((char *exp)); |
01be6913 | 398 | |
82a2edfb | 399 | extern value_ptr parse_to_comma_and_eval PARAMS ((char **expp)); |
01be6913 | 400 | |
82a2edfb | 401 | extern struct type *parse_and_eval_type PARAMS ((char *p, int length)); |
01be6913 | 402 | |
82a2edfb | 403 | extern CORE_ADDR parse_and_eval_address PARAMS ((char *exp)); |
01be6913 | 404 | |
82a2edfb | 405 | extern CORE_ADDR parse_and_eval_address_1 PARAMS ((char **expptr)); |
01be6913 | 406 | |
82a2edfb | 407 | extern value_ptr access_value_history PARAMS ((int num)); |
01be6913 | 408 | |
82a2edfb | 409 | extern value_ptr value_of_internalvar PARAMS ((struct internalvar *var)); |
01be6913 | 410 | |
82a2edfb | 411 | extern void set_internalvar PARAMS ((struct internalvar *var, value_ptr val)); |
01be6913 | 412 | |
82a2edfb JK |
413 | extern void set_internalvar_component PARAMS ((struct internalvar *var, |
414 | int offset, | |
415 | int bitpos, int bitsize, | |
416 | value_ptr newvalue)); | |
01be6913 | 417 | |
82a2edfb | 418 | extern struct internalvar *lookup_internalvar PARAMS ((char *name)); |
01be6913 | 419 | |
82a2edfb | 420 | extern int value_equal PARAMS ((value_ptr arg1, value_ptr arg2)); |
01be6913 | 421 | |
82a2edfb | 422 | extern int value_less PARAMS ((value_ptr arg1, value_ptr arg2)); |
01be6913 | 423 | |
82a2edfb | 424 | extern int value_logical_not PARAMS ((value_ptr arg1)); |
bd5635a1 RP |
425 | |
426 | /* C++ */ | |
01be6913 | 427 | |
82a2edfb | 428 | extern value_ptr value_of_this PARAMS ((int complain)); |
01be6913 | 429 | |
82a2edfb JK |
430 | extern value_ptr value_x_binop PARAMS ((value_ptr arg1, value_ptr arg2, |
431 | enum exp_opcode op, | |
b5865bb2 WM |
432 | enum exp_opcode otherop, |
433 | enum noside noside)); | |
01be6913 | 434 | |
b5865bb2 WM |
435 | extern value_ptr value_x_unop PARAMS ((value_ptr arg1, enum exp_opcode op, |
436 | enum noside noside)); | |
01be6913 | 437 | |
82a2edfb JK |
438 | extern value_ptr value_fn_field PARAMS ((value_ptr *arg1p, struct fn_field *f, |
439 | int j, | |
440 | struct type* type, int offset)); | |
01be6913 | 441 | |
82a2edfb JK |
442 | extern value_ptr value_virtual_fn_field PARAMS ((value_ptr *arg1p, |
443 | struct fn_field *f, int j, | |
444 | struct type *type, | |
445 | int offset)); | |
01be6913 | 446 | |
82a2edfb JK |
447 | extern int binop_user_defined_p PARAMS ((enum exp_opcode op, |
448 | value_ptr arg1, value_ptr arg2)); | |
01be6913 | 449 | |
82a2edfb | 450 | extern int unop_user_defined_p PARAMS ((enum exp_opcode op, value_ptr arg1)); |
01be6913 | 451 | |
82a2edfb JK |
452 | extern int destructor_name_p PARAMS ((const char *name, |
453 | const struct type *type)); | |
bd5635a1 | 454 | |
35fcebce | 455 | #define value_free(val) free ((PTR)val) |
01be6913 | 456 | |
82a2edfb | 457 | extern void free_all_values PARAMS ((void)); |
01be6913 | 458 | |
82a2edfb | 459 | extern void release_value PARAMS ((value_ptr val)); |
01be6913 | 460 | |
82a2edfb | 461 | extern int record_latest_value PARAMS ((value_ptr val)); |
01be6913 | 462 | |
82a2edfb | 463 | extern void registers_changed PARAMS ((void)); |
01be6913 | 464 | |
82a2edfb | 465 | extern void read_register_bytes PARAMS ((int regbyte, char *myaddr, int len)); |
01be6913 | 466 | |
82a2edfb | 467 | extern void write_register_bytes PARAMS ((int regbyte, char *myaddr, int len)); |
01be6913 PB |
468 | |
469 | extern void | |
470 | read_register_gen PARAMS ((int regno, char *myaddr)); | |
471 | ||
472 | extern CORE_ADDR | |
473 | read_register PARAMS ((int regno)); | |
474 | ||
ad3b8c4a JM |
475 | extern CORE_ADDR |
476 | read_register_pid PARAMS ((int regno, int pid)); | |
477 | ||
01be6913 | 478 | extern void |
30974778 | 479 | write_register PARAMS ((int regno, LONGEST val)); |
01be6913 | 480 | |
ad3b8c4a JM |
481 | extern void |
482 | write_register_pid PARAMS ((int regno, LONGEST val, int pid)); | |
483 | ||
01be6913 PB |
484 | extern void |
485 | supply_register PARAMS ((int regno, char *val)); | |
486 | ||
01be6913 PB |
487 | extern void |
488 | get_saved_register PARAMS ((char *raw_buffer, int *optimized, | |
489 | CORE_ADDR *addrp, struct frame_info *frame, | |
490 | int regnum, enum lval_type *lval)); | |
491 | ||
492 | extern void | |
5573d7d4 | 493 | modify_field PARAMS ((char *addr, LONGEST fieldval, int bitpos, int bitsize)); |
01be6913 PB |
494 | |
495 | extern void | |
30974778 | 496 | type_print PARAMS ((struct type *type, char *varstring, GDB_FILE *stream, |
01be6913 PB |
497 | int show)); |
498 | ||
82a2edfb JK |
499 | extern char *baseclass_addr PARAMS ((struct type *type, int index, |
500 | char *valaddr, | |
501 | value_ptr *valuep, int *errp)); | |
01be6913 | 502 | |
7efb57c3 | 503 | extern void |
30974778 JK |
504 | print_longest PARAMS ((GDB_FILE *stream, int format, int use_local, |
505 | LONGEST val)); | |
7efb57c3 | 506 | |
01be6913 | 507 | extern void |
30974778 | 508 | print_floating PARAMS ((char *valaddr, struct type *type, GDB_FILE *stream)); |
01be6913 | 509 | |
82a2edfb JK |
510 | extern int value_print PARAMS ((value_ptr val, GDB_FILE *stream, int format, |
511 | enum val_prettyprint pretty)); | |
01be6913 | 512 | |
a91a6192 SS |
513 | extern void |
514 | value_print_array_elements PARAMS ((value_ptr val, GDB_FILE* stream, | |
515 | int format, enum val_prettyprint pretty)); | |
516 | ||
999dd04b JL |
517 | extern value_ptr |
518 | value_release_to_mark PARAMS ((value_ptr mark)); | |
519 | ||
01be6913 | 520 | extern int |
4ef1f467 | 521 | val_print PARAMS ((struct type *type, char *valaddr, int embedded_offset, CORE_ADDR address, |
30974778 | 522 | GDB_FILE *stream, int format, int deref_ref, |
01be6913 PB |
523 | int recurse, enum val_prettyprint pretty)); |
524 | ||
c7da3ed3 | 525 | extern int |
ad3b8c4a | 526 | val_print_string PARAMS ((CORE_ADDR addr, int len, int width, GDB_FILE *stream)); |
c7da3ed3 | 527 | |
01be6913 PB |
528 | extern void |
529 | print_variable_value PARAMS ((struct symbol *var, struct frame_info *frame, | |
30974778 | 530 | GDB_FILE *stream)); |
01be6913 | 531 | |
82a2edfb | 532 | extern int check_field PARAMS ((value_ptr, const char *)); |
01be6913 PB |
533 | |
534 | extern void | |
6d34c236 | 535 | c_typedef_print PARAMS ((struct type *type, struct symbol *news, GDB_FILE *stream)); |
01be6913 PB |
536 | |
537 | extern char * | |
538 | internalvar_name PARAMS ((struct internalvar *var)); | |
539 | ||
540 | extern void | |
541 | clear_value_history PARAMS ((void)); | |
542 | ||
543 | extern void | |
544 | clear_internalvars PARAMS ((void)); | |
545 | ||
546 | /* From values.c */ | |
547 | ||
82a2edfb | 548 | extern value_ptr value_copy PARAMS ((value_ptr)); |
01be6913 | 549 | |
b5865bb2 | 550 | extern int baseclass_offset PARAMS ((struct type *, int, char *, CORE_ADDR)); |
c7da3ed3 | 551 | |
01be6913 | 552 | /* From valops.c */ |
bd5635a1 | 553 | |
f91a9e05 PB |
554 | extern value_ptr varying_to_slice PARAMS ((value_ptr)); |
555 | ||
556 | extern value_ptr value_slice PARAMS ((value_ptr, int, int)); | |
557 | ||
82a2edfb | 558 | extern value_ptr call_function_by_hand PARAMS ((value_ptr, int, value_ptr *)); |
e17960fb | 559 | |
5222ca60 | 560 | extern value_ptr value_literal_complex PARAMS ((value_ptr, value_ptr, struct type*)); |
a91a6192 | 561 | |
4ef1f467 DT |
562 | extern void find_rt_vbase_offset PARAMS ((struct type *, struct type *, char *, int, int *, int *)); |
563 | ||
b5865bb2 WM |
564 | extern value_ptr find_function_in_inferior PARAMS ((char *)); |
565 | ||
566 | extern value_ptr value_allocate_space_in_inferior PARAMS ((int)); | |
567 | ||
01be6913 | 568 | #endif /* !defined (VALUE_H) */ |