1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@zend.com> |
16 | Zeev Suraski <zeev@zend.com> |
17 +----------------------------------------------------------------------+
18 */
19
20 /* $Id$ */
21
22 #define ZEND_INTENSIVE_DEBUGGING 0
23
24 #include <stdio.h>
25 #include <signal.h>
26
27 #include "zend.h"
28 #include "zend_compile.h"
29 #include "zend_execute.h"
30 #include "zend_API.h"
31 #include "zend_ptr_stack.h"
32 #include "zend_constants.h"
33 #include "zend_extensions.h"
34 #include "zend_ini.h"
35 #include "zend_exceptions.h"
36 #include "zend_interfaces.h"
37 #include "zend_closures.h"
38 #include "zend_vm.h"
39 #include "zend_dtrace.h"
40
41 /* Virtual current working directory support */
42 #include "tsrm_virtual_cwd.h"
43
44 #define _CONST_CODE 0
45 #define _TMP_CODE 1
46 #define _VAR_CODE 2
47 #define _UNUSED_CODE 3
48 #define _CV_CODE 4
49
50 typedef int (*incdec_t)(zval *);
51
52 #define get_zval_ptr(op_type, node, Ts, should_free, type) _get_zval_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
53 #define get_zval_ptr_ptr(op_type, node, Ts, should_free, type) _get_zval_ptr_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
54 #define get_obj_zval_ptr(op_type, node, Ts, should_free, type) _get_obj_zval_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
55 #define get_obj_zval_ptr_ptr(op_type, node, Ts, should_free, type) _get_obj_zval_ptr_ptr(op_type, node, Ts, should_free, type TSRMLS_CC)
56
57 /* Prototypes */
58 static void zend_extension_statement_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
59 static void zend_extension_fcall_begin_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
60 static void zend_extension_fcall_end_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC);
61
62 #define RETURN_VALUE_USED(opline) (!((opline)->result_type & EXT_TYPE_UNUSED))
63
64 #define T(offset) (*(temp_variable *)((char *) Ts + offset))
65 #define CV(var) CVs[var]
66
67 #define TEMP_VAR_STACK_LIMIT 2000
68
zend_pzval_unlock_func(zval * z,zend_free_op * should_free,int unref TSRMLS_DC)69 static zend_always_inline void zend_pzval_unlock_func(zval *z, zend_free_op *should_free, int unref TSRMLS_DC)
70 {
71 if (!Z_DELREF_P(z)) {
72 Z_SET_REFCOUNT_P(z, 1);
73 Z_UNSET_ISREF_P(z);
74 should_free->var = z;
75 /* should_free->is_var = 1; */
76 } else {
77 should_free->var = 0;
78 if (unref && Z_ISREF_P(z) && Z_REFCOUNT_P(z) == 1) {
79 Z_UNSET_ISREF_P(z);
80 }
81 GC_ZVAL_CHECK_POSSIBLE_ROOT(z);
82 }
83 }
84
zend_pzval_unlock_free_func(zval * z TSRMLS_DC)85 static zend_always_inline void zend_pzval_unlock_free_func(zval *z TSRMLS_DC)
86 {
87 if (!Z_DELREF_P(z)) {
88 if (z != &EG(uninitialized_zval)) {
89 GC_REMOVE_ZVAL_FROM_BUFFER(z);
90 zval_dtor(z);
91 efree(z);
92 }
93 }
94 }
95
96 #undef zval_ptr_dtor
97 #define zval_ptr_dtor(pzv) i_zval_ptr_dtor(*(pzv) ZEND_FILE_LINE_CC)
98
99 #define PZVAL_UNLOCK(z, f) zend_pzval_unlock_func(z, f, 1 TSRMLS_CC)
100 #define PZVAL_UNLOCK_EX(z, f, u) zend_pzval_unlock_func(z, f, u TSRMLS_CC)
101 #define PZVAL_UNLOCK_FREE(z) zend_pzval_unlock_free_func(z TSRMLS_CC)
102 #define PZVAL_LOCK(z) Z_ADDREF_P((z))
103 #define SELECTIVE_PZVAL_LOCK(pzv, opline) if (RETURN_VALUE_USED(opline)) { PZVAL_LOCK(pzv); }
104
105 #define EXTRACT_ZVAL_PTR(t) do { \
106 temp_variable *__t = (t); \
107 if (__t->var.ptr_ptr) { \
108 __t->var.ptr = *__t->var.ptr_ptr; \
109 __t->var.ptr_ptr = &__t->var.ptr; \
110 if (!PZVAL_IS_REF(__t->var.ptr) && \
111 Z_REFCOUNT_P(__t->var.ptr) > 2) { \
112 SEPARATE_ZVAL(__t->var.ptr_ptr); \
113 } \
114 } \
115 } while (0)
116
117 #define AI_SET_PTR(t, val) do { \
118 temp_variable *__t = (t); \
119 __t->var.ptr = (val); \
120 __t->var.ptr_ptr = &__t->var.ptr; \
121 } while (0)
122
123 #define FREE_OP(should_free) \
124 if (should_free.var) { \
125 if ((zend_uintptr_t)should_free.var & 1L) { \
126 zval_dtor((zval*)((zend_uintptr_t)should_free.var & ~1L)); \
127 } else { \
128 zval_ptr_dtor(&should_free.var); \
129 } \
130 }
131
132 #define FREE_OP_IF_VAR(should_free) \
133 if (should_free.var != NULL && (((zend_uintptr_t)should_free.var & 1L) == 0)) { \
134 zval_ptr_dtor(&should_free.var); \
135 }
136
137 #define FREE_OP_VAR_PTR(should_free) \
138 if (should_free.var) { \
139 zval_ptr_dtor(&should_free.var); \
140 }
141
142 #define TMP_FREE(z) (zval*)(((zend_uintptr_t)(z)) | 1L)
143
144 #define IS_TMP_FREE(should_free) ((zend_uintptr_t)should_free.var & 1L)
145
146 #define MAKE_REAL_ZVAL_PTR(val) \
147 do { \
148 zval *_tmp; \
149 ALLOC_ZVAL(_tmp); \
150 INIT_PZVAL_COPY(_tmp, (val)); \
151 (val) = _tmp; \
152 } while (0)
153
154 /* End of zend_execute_locks.h */
155
156 #define CV_OF(i) (EG(current_execute_data)->CVs[i])
157 #define CV_DEF_OF(i) (EG(active_op_array)->vars[i])
158
159 #define CTOR_CALL_BIT 0x1
160 #define CTOR_USED_BIT 0x2
161
162 #define IS_CTOR_CALL(ce) (((zend_uintptr_t)(ce)) & CTOR_CALL_BIT)
163 #define IS_CTOR_USED(ce) (((zend_uintptr_t)(ce)) & CTOR_USED_BIT)
164
165 #define ENCODE_CTOR(ce, used) \
166 ((zend_class_entry*)(((zend_uintptr_t)(ce)) | CTOR_CALL_BIT | ((used) ? CTOR_USED_BIT : 0)))
167 #define DECODE_CTOR(ce) \
168 ((zend_class_entry*)(((zend_uintptr_t)(ce)) & ~(CTOR_CALL_BIT|CTOR_USED_BIT)))
169
zend_get_compiled_variable_value(const zend_execute_data * execute_data_ptr,zend_uint var)170 ZEND_API zval** zend_get_compiled_variable_value(const zend_execute_data *execute_data_ptr, zend_uint var)
171 {
172 return execute_data_ptr->CVs[var];
173 }
174
_get_zval_ptr_tmp(zend_uint var,const temp_variable * Ts,zend_free_op * should_free TSRMLS_DC)175 static zend_always_inline zval *_get_zval_ptr_tmp(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
176 {
177 return should_free->var = &T(var).tmp_var;
178 }
179
_get_zval_ptr_var(zend_uint var,const temp_variable * Ts,zend_free_op * should_free TSRMLS_DC)180 static zend_always_inline zval *_get_zval_ptr_var(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
181 {
182 zval *ptr = T(var).var.ptr;
183
184 PZVAL_UNLOCK(ptr, should_free);
185 return ptr;
186 }
187
_get_zval_cv_lookup(zval *** ptr,zend_uint var,int type TSRMLS_DC)188 static zend_never_inline zval **_get_zval_cv_lookup(zval ***ptr, zend_uint var, int type TSRMLS_DC)
189 {
190 zend_compiled_variable *cv = &CV_DEF_OF(var);
191
192 if (!EG(active_symbol_table) ||
193 zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
194 switch (type) {
195 case BP_VAR_R:
196 case BP_VAR_UNSET:
197 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
198 /* break missing intentionally */
199 case BP_VAR_IS:
200 return &EG(uninitialized_zval_ptr);
201 break;
202 case BP_VAR_RW:
203 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
204 /* break missing intentionally */
205 case BP_VAR_W:
206 Z_ADDREF(EG(uninitialized_zval));
207 if (!EG(active_symbol_table)) {
208 *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
209 **ptr = &EG(uninitialized_zval);
210 } else {
211 zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
212 }
213 break;
214 }
215 }
216 return *ptr;
217 }
218
_get_zval_cv_lookup_BP_VAR_R(zval *** ptr,zend_uint var TSRMLS_DC)219 static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_R(zval ***ptr, zend_uint var TSRMLS_DC)
220 {
221 zend_compiled_variable *cv = &CV_DEF_OF(var);
222
223 if (!EG(active_symbol_table) ||
224 zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
225 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
226 return &EG(uninitialized_zval_ptr);
227 }
228 return *ptr;
229 }
230
_get_zval_cv_lookup_BP_VAR_UNSET(zval *** ptr,zend_uint var TSRMLS_DC)231 static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_UNSET(zval ***ptr, zend_uint var TSRMLS_DC)
232 {
233 zend_compiled_variable *cv = &CV_DEF_OF(var);
234
235 if (!EG(active_symbol_table) ||
236 zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
237 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
238 return &EG(uninitialized_zval_ptr);
239 }
240 return *ptr;
241 }
242
_get_zval_cv_lookup_BP_VAR_IS(zval *** ptr,zend_uint var TSRMLS_DC)243 static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_IS(zval ***ptr, zend_uint var TSRMLS_DC)
244 {
245 zend_compiled_variable *cv = &CV_DEF_OF(var);
246
247 if (!EG(active_symbol_table) ||
248 zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
249 return &EG(uninitialized_zval_ptr);
250 }
251 return *ptr;
252 }
253
_get_zval_cv_lookup_BP_VAR_RW(zval *** ptr,zend_uint var TSRMLS_DC)254 static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_RW(zval ***ptr, zend_uint var TSRMLS_DC)
255 {
256 zend_compiled_variable *cv = &CV_DEF_OF(var);
257
258 if (!EG(active_symbol_table)) {
259 Z_ADDREF(EG(uninitialized_zval));
260 *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
261 **ptr = &EG(uninitialized_zval);
262 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
263 } else if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
264 Z_ADDREF(EG(uninitialized_zval));
265 zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
266 zend_error(E_NOTICE, "Undefined variable: %s", cv->name);
267 }
268 return *ptr;
269 }
270
_get_zval_cv_lookup_BP_VAR_W(zval *** ptr,zend_uint var TSRMLS_DC)271 static zend_never_inline zval **_get_zval_cv_lookup_BP_VAR_W(zval ***ptr, zend_uint var TSRMLS_DC)
272 {
273 zend_compiled_variable *cv = &CV_DEF_OF(var);
274
275 if (!EG(active_symbol_table)) {
276 Z_ADDREF(EG(uninitialized_zval));
277 *ptr = (zval**)EG(current_execute_data)->CVs + (EG(active_op_array)->last_var + var);
278 **ptr = &EG(uninitialized_zval);
279 } else if (zend_hash_quick_find(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, (void **)ptr)==FAILURE) {
280 Z_ADDREF(EG(uninitialized_zval));
281 zend_hash_quick_update(EG(active_symbol_table), cv->name, cv->name_len+1, cv->hash_value, &EG(uninitialized_zval_ptr), sizeof(zval *), (void **)ptr);
282 }
283 return *ptr;
284 }
285
_get_zval_ptr_cv(zend_uint var,int type TSRMLS_DC)286 static zend_always_inline zval *_get_zval_ptr_cv(zend_uint var, int type TSRMLS_DC)
287 {
288 zval ***ptr = &CV_OF(var);
289
290 if (UNEXPECTED(*ptr == NULL)) {
291 return *_get_zval_cv_lookup(ptr, var, type TSRMLS_CC);
292 }
293 return **ptr;
294 }
295
_get_zval_ptr_cv_BP_VAR_R(zval *** CVs,zend_uint var TSRMLS_DC)296 static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_R(zval ***CVs, zend_uint var TSRMLS_DC)
297 {
298 zval ***ptr = &CV(var);
299
300 if (UNEXPECTED(*ptr == NULL)) {
301 return *_get_zval_cv_lookup_BP_VAR_R(ptr, var TSRMLS_CC);
302 }
303 return **ptr;
304 }
305
_get_zval_ptr_cv_BP_VAR_UNSET(zval *** CVs,zend_uint var TSRMLS_DC)306 static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_UNSET(zval ***CVs, zend_uint var TSRMLS_DC)
307 {
308 zval ***ptr = &CV(var);
309
310 if (UNEXPECTED(*ptr == NULL)) {
311 return *_get_zval_cv_lookup_BP_VAR_UNSET(ptr, var TSRMLS_CC);
312 }
313 return **ptr;
314 }
315
_get_zval_ptr_cv_BP_VAR_IS(zval *** CVs,zend_uint var TSRMLS_DC)316 static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_IS(zval ***CVs, zend_uint var TSRMLS_DC)
317 {
318 zval ***ptr = &CV(var);
319
320 if (UNEXPECTED(*ptr == NULL)) {
321 return *_get_zval_cv_lookup_BP_VAR_IS(ptr, var TSRMLS_CC);
322 }
323 return **ptr;
324 }
325
_get_zval_ptr_cv_BP_VAR_RW(zval *** CVs,zend_uint var TSRMLS_DC)326 static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_RW(zval ***CVs, zend_uint var TSRMLS_DC)
327 {
328 zval ***ptr = &CV(var);
329
330 if (UNEXPECTED(*ptr == NULL)) {
331 return *_get_zval_cv_lookup_BP_VAR_RW(ptr, var TSRMLS_CC);
332 }
333 return **ptr;
334 }
335
_get_zval_ptr_cv_BP_VAR_W(zval *** CVs,zend_uint var TSRMLS_DC)336 static zend_always_inline zval *_get_zval_ptr_cv_BP_VAR_W(zval ***CVs, zend_uint var TSRMLS_DC)
337 {
338 zval ***ptr = &CV(var);
339
340 if (UNEXPECTED(*ptr == NULL)) {
341 return *_get_zval_cv_lookup_BP_VAR_W(ptr, var TSRMLS_CC);
342 }
343 return **ptr;
344 }
345
_get_zval_ptr(int op_type,const znode_op * node,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)346 static inline zval *_get_zval_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
347 {
348 /* should_free->is_var = 0; */
349 switch (op_type) {
350 case IS_CONST:
351 should_free->var = 0;
352 return node->zv;
353 break;
354 case IS_TMP_VAR:
355 should_free->var = TMP_FREE(&T(node->var).tmp_var);
356 return &T(node->var).tmp_var;
357 break;
358 case IS_VAR:
359 return _get_zval_ptr_var(node->var, Ts, should_free TSRMLS_CC);
360 break;
361 case IS_UNUSED:
362 should_free->var = 0;
363 return NULL;
364 break;
365 case IS_CV:
366 should_free->var = 0;
367 return _get_zval_ptr_cv(node->var, type TSRMLS_CC);
368 break;
369 EMPTY_SWITCH_DEFAULT_CASE()
370 }
371 return NULL;
372 }
373
_get_zval_ptr_ptr_var(zend_uint var,const temp_variable * Ts,zend_free_op * should_free TSRMLS_DC)374 static zend_always_inline zval **_get_zval_ptr_ptr_var(zend_uint var, const temp_variable *Ts, zend_free_op *should_free TSRMLS_DC)
375 {
376 zval** ptr_ptr = T(var).var.ptr_ptr;
377
378 if (EXPECTED(ptr_ptr != NULL)) {
379 PZVAL_UNLOCK(*ptr_ptr, should_free);
380 } else {
381 /* string offset */
382 PZVAL_UNLOCK(T(var).str_offset.str, should_free);
383 }
384 return ptr_ptr;
385 }
386
_get_zval_ptr_ptr_cv(zend_uint var,int type TSRMLS_DC)387 static zend_always_inline zval **_get_zval_ptr_ptr_cv(zend_uint var, int type TSRMLS_DC)
388 {
389 zval ***ptr = &CV_OF(var);
390
391 if (UNEXPECTED(*ptr == NULL)) {
392 return _get_zval_cv_lookup(ptr, var, type TSRMLS_CC);
393 }
394 return *ptr;
395 }
396
_get_zval_ptr_ptr_cv_BP_VAR_R(zval *** CVs,zend_uint var TSRMLS_DC)397 static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_R(zval ***CVs, zend_uint var TSRMLS_DC)
398 {
399 zval ***ptr = &CV(var);
400
401 if (UNEXPECTED(*ptr == NULL)) {
402 return _get_zval_cv_lookup_BP_VAR_R(ptr, var TSRMLS_CC);
403 }
404 return *ptr;
405 }
406
_get_zval_ptr_ptr_cv_BP_VAR_UNSET(zval *** CVs,zend_uint var TSRMLS_DC)407 static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_UNSET(zval ***CVs, zend_uint var TSRMLS_DC)
408 {
409 zval ***ptr = &CV(var);
410
411 if (UNEXPECTED(*ptr == NULL)) {
412 return _get_zval_cv_lookup_BP_VAR_UNSET(ptr, var TSRMLS_CC);
413 }
414 return *ptr;
415 }
416
_get_zval_ptr_ptr_cv_BP_VAR_IS(zval *** CVs,zend_uint var TSRMLS_DC)417 static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_IS(zval ***CVs, zend_uint var TSRMLS_DC)
418 {
419 zval ***ptr = &CV(var);
420
421 if (UNEXPECTED(*ptr == NULL)) {
422 return _get_zval_cv_lookup_BP_VAR_IS(ptr, var TSRMLS_CC);
423 }
424 return *ptr;
425 }
426
_get_zval_ptr_ptr_cv_BP_VAR_RW(zval *** CVs,zend_uint var TSRMLS_DC)427 static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_RW(zval ***CVs, zend_uint var TSRMLS_DC)
428 {
429 zval ***ptr = &CV(var);
430
431 if (UNEXPECTED(*ptr == NULL)) {
432 return _get_zval_cv_lookup_BP_VAR_RW(ptr, var TSRMLS_CC);
433 }
434 return *ptr;
435 }
436
_get_zval_ptr_ptr_cv_BP_VAR_W(zval *** CVs,zend_uint var TSRMLS_DC)437 static zend_always_inline zval **_get_zval_ptr_ptr_cv_BP_VAR_W(zval ***CVs, zend_uint var TSRMLS_DC)
438 {
439 zval ***ptr = &CV(var);
440
441 if (UNEXPECTED(*ptr == NULL)) {
442 return _get_zval_cv_lookup_BP_VAR_W(ptr, var TSRMLS_CC);
443 }
444 return *ptr;
445 }
446
_get_zval_ptr_ptr(int op_type,const znode_op * node,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)447 static inline zval **_get_zval_ptr_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
448 {
449 if (op_type == IS_CV) {
450 should_free->var = 0;
451 return _get_zval_ptr_ptr_cv(node->var, type TSRMLS_CC);
452 } else if (op_type == IS_VAR) {
453 return _get_zval_ptr_ptr_var(node->var, Ts, should_free TSRMLS_CC);
454 } else {
455 should_free->var = 0;
456 return NULL;
457 }
458 }
459
_get_obj_zval_ptr_unused(TSRMLS_D)460 static zend_always_inline zval *_get_obj_zval_ptr_unused(TSRMLS_D)
461 {
462 if (EXPECTED(EG(This) != NULL)) {
463 return EG(This);
464 } else {
465 zend_error_noreturn(E_ERROR, "Using $this when not in object context");
466 return NULL;
467 }
468 }
469
_get_obj_zval_ptr_ptr(int op_type,const znode_op * op,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)470 static inline zval **_get_obj_zval_ptr_ptr(int op_type, const znode_op *op, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
471 {
472 if (op_type == IS_UNUSED) {
473 if (EXPECTED(EG(This) != NULL)) {
474 /* this should actually never be modified, _ptr_ptr is modified only when
475 the object is empty */
476 should_free->var = 0;
477 return &EG(This);
478 } else {
479 zend_error_noreturn(E_ERROR, "Using $this when not in object context");
480 }
481 }
482 return get_zval_ptr_ptr(op_type, op, Ts, should_free, type);
483 }
484
_get_obj_zval_ptr_ptr_unused(TSRMLS_D)485 static zend_always_inline zval **_get_obj_zval_ptr_ptr_unused(TSRMLS_D)
486 {
487 if (EXPECTED(EG(This) != NULL)) {
488 return &EG(This);
489 } else {
490 zend_error_noreturn(E_ERROR, "Using $this when not in object context");
491 return NULL;
492 }
493 }
494
_get_obj_zval_ptr(int op_type,znode_op * op,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)495 static inline zval *_get_obj_zval_ptr(int op_type, znode_op *op, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC)
496 {
497 if (op_type == IS_UNUSED) {
498 if (EXPECTED(EG(This) != NULL)) {
499 should_free->var = 0;
500 return EG(This);
501 } else {
502 zend_error_noreturn(E_ERROR, "Using $this when not in object context");
503 }
504 }
505 return get_zval_ptr(op_type, op, Ts, should_free, type);
506 }
507
zend_assign_to_variable_reference(zval ** variable_ptr_ptr,zval ** value_ptr_ptr TSRMLS_DC)508 static void zend_assign_to_variable_reference(zval **variable_ptr_ptr, zval **value_ptr_ptr TSRMLS_DC)
509 {
510 zval *variable_ptr = *variable_ptr_ptr;
511 zval *value_ptr = *value_ptr_ptr;
512
513 if (variable_ptr == &EG(error_zval) || value_ptr == &EG(error_zval)) {
514 variable_ptr_ptr = &EG(uninitialized_zval_ptr);
515 } else if (variable_ptr != value_ptr) {
516 if (!PZVAL_IS_REF(value_ptr)) {
517 /* break it away */
518 Z_DELREF_P(value_ptr);
519 if (Z_REFCOUNT_P(value_ptr)>0) {
520 ALLOC_ZVAL(*value_ptr_ptr);
521 ZVAL_COPY_VALUE(*value_ptr_ptr, value_ptr);
522 value_ptr = *value_ptr_ptr;
523 zendi_zval_copy_ctor(*value_ptr);
524 }
525 Z_SET_REFCOUNT_P(value_ptr, 1);
526 Z_SET_ISREF_P(value_ptr);
527 }
528
529 *variable_ptr_ptr = value_ptr;
530 Z_ADDREF_P(value_ptr);
531
532 zval_ptr_dtor(&variable_ptr);
533 } else if (!Z_ISREF_P(variable_ptr)) {
534 if (variable_ptr_ptr == value_ptr_ptr) {
535 SEPARATE_ZVAL(variable_ptr_ptr);
536 } else if (variable_ptr==&EG(uninitialized_zval)
537 || Z_REFCOUNT_P(variable_ptr)>2) {
538 /* we need to separate */
539 Z_SET_REFCOUNT_P(variable_ptr, Z_REFCOUNT_P(variable_ptr) - 2);
540 ALLOC_ZVAL(*variable_ptr_ptr);
541 ZVAL_COPY_VALUE(*variable_ptr_ptr, variable_ptr);
542 zval_copy_ctor(*variable_ptr_ptr);
543 *value_ptr_ptr = *variable_ptr_ptr;
544 Z_SET_REFCOUNT_PP(variable_ptr_ptr, 2);
545 }
546 Z_SET_ISREF_PP(variable_ptr_ptr);
547 }
548 }
549
550 /* this should modify object only if it's empty */
make_real_object(zval ** object_ptr TSRMLS_DC)551 static inline void make_real_object(zval **object_ptr TSRMLS_DC)
552 {
553 if (Z_TYPE_PP(object_ptr) == IS_NULL
554 || (Z_TYPE_PP(object_ptr) == IS_BOOL && Z_LVAL_PP(object_ptr) == 0)
555 || (Z_TYPE_PP(object_ptr) == IS_STRING && Z_STRLEN_PP(object_ptr) == 0)
556 ) {
557 SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
558 zval_dtor(*object_ptr);
559 object_init(*object_ptr);
560 zend_error(E_WARNING, "Creating default object from empty value");
561 }
562 }
563
zend_verify_arg_class_kind(const zend_arg_info * cur_arg_info,ulong fetch_type,const char ** class_name,zend_class_entry ** pce TSRMLS_DC)564 ZEND_API char * zend_verify_arg_class_kind(const zend_arg_info *cur_arg_info, ulong fetch_type, const char **class_name, zend_class_entry **pce TSRMLS_DC)
565 {
566 *pce = zend_fetch_class(cur_arg_info->class_name, cur_arg_info->class_name_len, (fetch_type | ZEND_FETCH_CLASS_AUTO | ZEND_FETCH_CLASS_NO_AUTOLOAD) TSRMLS_CC);
567
568 *class_name = (*pce) ? (*pce)->name: cur_arg_info->class_name;
569 if (*pce && (*pce)->ce_flags & ZEND_ACC_INTERFACE) {
570 return "implement interface ";
571 } else {
572 return "be an instance of ";
573 }
574 }
575
zend_verify_arg_error(int error_type,const zend_function * zf,zend_uint arg_num,const char * need_msg,const char * need_kind,const char * given_msg,const char * given_kind TSRMLS_DC)576 ZEND_API int zend_verify_arg_error(int error_type, const zend_function *zf, zend_uint arg_num, const char *need_msg, const char *need_kind, const char *given_msg, const char *given_kind TSRMLS_DC)
577 {
578 zend_execute_data *ptr = EG(current_execute_data)->prev_execute_data;
579 const char *fname = zf->common.function_name;
580 char *fsep;
581 const char *fclass;
582
583 if (zf->common.scope) {
584 fsep = "::";
585 fclass = zf->common.scope->name;
586 } else {
587 fsep = "";
588 fclass = "";
589 }
590
591 if (ptr && ptr->op_array) {
592 zend_error(error_type, "Argument %d passed to %s%s%s() must %s%s, %s%s given, called in %s on line %d and defined", arg_num, fclass, fsep, fname, need_msg, need_kind, given_msg, given_kind, ptr->op_array->filename, ptr->opline->lineno);
593 } else {
594 zend_error(error_type, "Argument %d passed to %s%s%s() must %s%s, %s%s given", arg_num, fclass, fsep, fname, need_msg, need_kind, given_msg, given_kind);
595 }
596 return 0;
597 }
598
zend_verify_arg_type(zend_function * zf,zend_uint arg_num,zval * arg,ulong fetch_type TSRMLS_DC)599 static inline int zend_verify_arg_type(zend_function *zf, zend_uint arg_num, zval *arg, ulong fetch_type TSRMLS_DC)
600 {
601 zend_arg_info *cur_arg_info;
602 char *need_msg;
603 zend_class_entry *ce;
604
605 if (!zf->common.arg_info
606 || arg_num>zf->common.num_args) {
607 return 1;
608 }
609
610 cur_arg_info = &zf->common.arg_info[arg_num-1];
611
612 if (cur_arg_info->class_name) {
613 const char *class_name;
614
615 if (!arg) {
616 need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
617 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, "none", "" TSRMLS_CC);
618 }
619 if (Z_TYPE_P(arg) == IS_OBJECT) {
620 need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
621 if (!ce || !instanceof_function(Z_OBJCE_P(arg), ce TSRMLS_CC)) {
622 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, "instance of ", Z_OBJCE_P(arg)->name TSRMLS_CC);
623 }
624 } else if (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null) {
625 need_msg = zend_verify_arg_class_kind(cur_arg_info, fetch_type, &class_name, &ce TSRMLS_CC);
626 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, need_msg, class_name, zend_zval_type_name(arg), "" TSRMLS_CC);
627 }
628 } else if (cur_arg_info->type_hint) {
629 switch(cur_arg_info->type_hint) {
630 case IS_ARRAY:
631 if (!arg) {
632 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be of the type array", "", "none", "" TSRMLS_CC);
633 }
634
635 if (Z_TYPE_P(arg) != IS_ARRAY && (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null)) {
636 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be of the type array", "", zend_zval_type_name(arg), "" TSRMLS_CC);
637 }
638 break;
639
640 case IS_CALLABLE:
641 if (!arg) {
642 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be callable", "", "none", "" TSRMLS_CC);
643 }
644 if (!zend_is_callable(arg, IS_CALLABLE_CHECK_SILENT, NULL TSRMLS_CC) && (Z_TYPE_P(arg) != IS_NULL || !cur_arg_info->allow_null)) {
645 return zend_verify_arg_error(E_RECOVERABLE_ERROR, zf, arg_num, "be callable", "", zend_zval_type_name(arg), "" TSRMLS_CC);
646 }
647 break;
648
649 default:
650 zend_error(E_ERROR, "Unknown typehint");
651 }
652 }
653 return 1;
654 }
655
zend_assign_to_object(zval ** retval,zval ** object_ptr,zval * property_name,int value_type,znode_op * value_op,const temp_variable * Ts,int opcode,const zend_literal * key TSRMLS_DC)656 static inline void zend_assign_to_object(zval **retval, zval **object_ptr, zval *property_name, int value_type, znode_op *value_op, const temp_variable *Ts, int opcode, const zend_literal *key TSRMLS_DC)
657 {
658 zval *object = *object_ptr;
659 zend_free_op free_value;
660 zval *value = get_zval_ptr(value_type, value_op, Ts, &free_value, BP_VAR_R);
661
662 if (Z_TYPE_P(object) != IS_OBJECT) {
663 if (object == &EG(error_zval)) {
664 if (retval) {
665 *retval = &EG(uninitialized_zval);
666 PZVAL_LOCK(*retval);
667 }
668 FREE_OP(free_value);
669 return;
670 }
671 if (Z_TYPE_P(object) == IS_NULL ||
672 (Z_TYPE_P(object) == IS_BOOL && Z_LVAL_P(object) == 0) ||
673 (Z_TYPE_P(object) == IS_STRING && Z_STRLEN_P(object) == 0)) {
674 SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
675 object = *object_ptr;
676 Z_ADDREF_P(object);
677 zend_error(E_WARNING, "Creating default object from empty value");
678 if (Z_REFCOUNT_P(object) == 1) {
679 /* object was removed by error handler, nothing to assign to */
680 zval_ptr_dtor(&object);
681 if (retval) {
682 *retval = &EG(uninitialized_zval);
683 PZVAL_LOCK(*retval);
684 }
685 FREE_OP(free_value);
686 return;
687 }
688 Z_DELREF_P(object);
689 zval_dtor(object);
690 object_init(object);
691 } else {
692 zend_error(E_WARNING, "Attempt to assign property of non-object");
693 if (retval) {
694 *retval = &EG(uninitialized_zval);
695 PZVAL_LOCK(*retval);
696 }
697 FREE_OP(free_value);
698 return;
699 }
700 }
701
702 /* separate our value if necessary */
703 if (value_type == IS_TMP_VAR) {
704 zval *orig_value = value;
705
706 ALLOC_ZVAL(value);
707 ZVAL_COPY_VALUE(value, orig_value);
708 Z_UNSET_ISREF_P(value);
709 Z_SET_REFCOUNT_P(value, 0);
710 } else if (value_type == IS_CONST) {
711 zval *orig_value = value;
712
713 ALLOC_ZVAL(value);
714 ZVAL_COPY_VALUE(value, orig_value);
715 Z_UNSET_ISREF_P(value);
716 Z_SET_REFCOUNT_P(value, 0);
717 zval_copy_ctor(value);
718 }
719
720
721 Z_ADDREF_P(value);
722 if (opcode == ZEND_ASSIGN_OBJ) {
723 if (!Z_OBJ_HT_P(object)->write_property) {
724 zend_error(E_WARNING, "Attempt to assign property of non-object");
725 if (retval) {
726 *retval = &EG(uninitialized_zval);
727 PZVAL_LOCK(&EG(uninitialized_zval));
728 }
729 if (value_type == IS_TMP_VAR) {
730 FREE_ZVAL(value);
731 } else if (value_type == IS_CONST) {
732 zval_ptr_dtor(&value);
733 }
734 FREE_OP(free_value);
735 return;
736 }
737 Z_OBJ_HT_P(object)->write_property(object, property_name, value, key TSRMLS_CC);
738 } else {
739 /* Note: property_name in this case is really the array index! */
740 if (!Z_OBJ_HT_P(object)->write_dimension) {
741 zend_error_noreturn(E_ERROR, "Cannot use object as array");
742 }
743 Z_OBJ_HT_P(object)->write_dimension(object, property_name, value TSRMLS_CC);
744 }
745
746 if (retval && !EG(exception)) {
747 *retval = value;
748 PZVAL_LOCK(value);
749 }
750 zval_ptr_dtor(&value);
751 FREE_OP_IF_VAR(free_value);
752 }
753
zend_assign_to_string_offset(const temp_variable * T,const zval * value,int value_type TSRMLS_DC)754 static inline int zend_assign_to_string_offset(const temp_variable *T, const zval *value, int value_type TSRMLS_DC)
755 {
756 if (Z_TYPE_P(T->str_offset.str) == IS_STRING) {
757
758 if (((int)T->str_offset.offset < 0)) {
759 zend_error(E_WARNING, "Illegal string offset: %d", T->str_offset.offset);
760 return 0;
761 }
762
763 if (T->str_offset.offset >= Z_STRLEN_P(T->str_offset.str)) {
764 if (IS_INTERNED(Z_STRVAL_P(T->str_offset.str))) {
765 char *tmp = (char *) emalloc(T->str_offset.offset+1+1);
766
767 memcpy(tmp, Z_STRVAL_P(T->str_offset.str), Z_STRLEN_P(T->str_offset.str)+1);
768 Z_STRVAL_P(T->str_offset.str) = tmp;
769 } else {
770 Z_STRVAL_P(T->str_offset.str) = (char *) erealloc(Z_STRVAL_P(T->str_offset.str), T->str_offset.offset+1+1);
771 }
772 memset(Z_STRVAL_P(T->str_offset.str) + Z_STRLEN_P(T->str_offset.str),
773 ' ',
774 T->str_offset.offset - Z_STRLEN_P(T->str_offset.str));
775 Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset+1] = 0;
776 Z_STRLEN_P(T->str_offset.str) = T->str_offset.offset+1;
777 } else if (IS_INTERNED(Z_STRVAL_P(T->str_offset.str))) {
778 char *tmp = (char *) emalloc(Z_STRLEN_P(T->str_offset.str) + 1);
779
780 memcpy(tmp, Z_STRVAL_P(T->str_offset.str), Z_STRLEN_P(T->str_offset.str) + 1);
781 Z_STRVAL_P(T->str_offset.str) = tmp;
782 }
783
784 if (Z_TYPE_P(value) != IS_STRING) {
785 zval tmp;
786
787 ZVAL_COPY_VALUE(&tmp, value);
788 if (value_type != IS_TMP_VAR) {
789 zval_copy_ctor(&tmp);
790 }
791 convert_to_string(&tmp);
792 Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset] = Z_STRVAL(tmp)[0];
793 STR_FREE(Z_STRVAL(tmp));
794 } else {
795 Z_STRVAL_P(T->str_offset.str)[T->str_offset.offset] = Z_STRVAL_P(value)[0];
796 if (value_type == IS_TMP_VAR) {
797 /* we can safely free final_value here
798 * because separation is done only
799 * in case value_type == IS_VAR */
800 STR_FREE(Z_STRVAL_P(value));
801 }
802 }
803 /*
804 * the value of an assignment to a string offset is undefined
805 T(result->u.var).var = &T->str_offset.str;
806 */
807 }
808 return 1;
809 }
810
811
zend_assign_tmp_to_variable(zval ** variable_ptr_ptr,zval * value TSRMLS_DC)812 static inline zval* zend_assign_tmp_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
813 {
814 zval *variable_ptr = *variable_ptr_ptr;
815 zval garbage;
816
817 if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
818 UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
819 Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
820 return variable_ptr;
821 }
822
823 if (UNEXPECTED(Z_REFCOUNT_P(variable_ptr) > 1) &&
824 EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
825 /* we need to split */
826 Z_DELREF_P(variable_ptr);
827 GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
828 ALLOC_ZVAL(variable_ptr);
829 INIT_PZVAL_COPY(variable_ptr, value);
830 *variable_ptr_ptr = variable_ptr;
831 return variable_ptr;
832 } else {
833 if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
834 /* nothing to destroy */
835 ZVAL_COPY_VALUE(variable_ptr, value);
836 } else {
837 ZVAL_COPY_VALUE(&garbage, variable_ptr);
838 ZVAL_COPY_VALUE(variable_ptr, value);
839 _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
840 }
841 return variable_ptr;
842 }
843 }
844
zend_assign_const_to_variable(zval ** variable_ptr_ptr,zval * value TSRMLS_DC)845 static inline zval* zend_assign_const_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
846 {
847 zval *variable_ptr = *variable_ptr_ptr;
848 zval garbage;
849
850 if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
851 UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
852 Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
853 return variable_ptr;
854 }
855
856 if (UNEXPECTED(Z_REFCOUNT_P(variable_ptr) > 1) &&
857 EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
858 /* we need to split */
859 Z_DELREF_P(variable_ptr);
860 GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
861 ALLOC_ZVAL(variable_ptr);
862 INIT_PZVAL_COPY(variable_ptr, value);
863 zval_copy_ctor(variable_ptr);
864 *variable_ptr_ptr = variable_ptr;
865 return variable_ptr;
866 } else {
867 if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
868 /* nothing to destroy */
869 ZVAL_COPY_VALUE(variable_ptr, value);
870 zendi_zval_copy_ctor(*variable_ptr);
871 } else {
872 ZVAL_COPY_VALUE(&garbage, variable_ptr);
873 ZVAL_COPY_VALUE(variable_ptr, value);
874 zendi_zval_copy_ctor(*variable_ptr);
875 _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
876 }
877 return variable_ptr;
878 }
879 }
880
zend_assign_to_variable(zval ** variable_ptr_ptr,zval * value TSRMLS_DC)881 static inline zval* zend_assign_to_variable(zval **variable_ptr_ptr, zval *value TSRMLS_DC)
882 {
883 zval *variable_ptr = *variable_ptr_ptr;
884 zval garbage;
885
886 if (Z_TYPE_P(variable_ptr) == IS_OBJECT &&
887 UNEXPECTED(Z_OBJ_HANDLER_P(variable_ptr, set) != NULL)) {
888 Z_OBJ_HANDLER_P(variable_ptr, set)(variable_ptr_ptr, value TSRMLS_CC);
889 return variable_ptr;
890 }
891
892 if (EXPECTED(!PZVAL_IS_REF(variable_ptr))) {
893 if (Z_REFCOUNT_P(variable_ptr)==1) {
894 if (UNEXPECTED(variable_ptr == value)) {
895 return variable_ptr;
896 } else if (EXPECTED(!PZVAL_IS_REF(value))) {
897 Z_ADDREF_P(value);
898 *variable_ptr_ptr = value;
899 if (EXPECTED(variable_ptr != &EG(uninitialized_zval))) {
900 GC_REMOVE_ZVAL_FROM_BUFFER(variable_ptr);
901 zval_dtor(variable_ptr);
902 efree(variable_ptr);
903 } else {
904 Z_DELREF_P(variable_ptr);
905 }
906 return value;
907 } else {
908 goto copy_value;
909 }
910 } else { /* we need to split */
911 Z_DELREF_P(variable_ptr);
912 GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr);
913 if (PZVAL_IS_REF(value) && Z_REFCOUNT_P(value) > 0) {
914 ALLOC_ZVAL(variable_ptr);
915 *variable_ptr_ptr = variable_ptr;
916 INIT_PZVAL_COPY(variable_ptr, value);
917 zval_copy_ctor(variable_ptr);
918 return variable_ptr;
919 } else {
920 *variable_ptr_ptr = value;
921 Z_ADDREF_P(value);
922 Z_UNSET_ISREF_P(value);
923 return value;
924 }
925 }
926 } else {
927 if (EXPECTED(variable_ptr != value)) {
928 copy_value:
929 if (EXPECTED(Z_TYPE_P(variable_ptr) <= IS_BOOL)) {
930 /* nothing to destroy */
931 ZVAL_COPY_VALUE(variable_ptr, value);
932 zendi_zval_copy_ctor(*variable_ptr);
933 } else {
934 ZVAL_COPY_VALUE(&garbage, variable_ptr);
935 ZVAL_COPY_VALUE(variable_ptr, value);
936 zendi_zval_copy_ctor(*variable_ptr);
937 _zval_dtor_func(&garbage ZEND_FILE_LINE_CC);
938 }
939 }
940 return variable_ptr;
941 }
942 }
943
944 /* Utility Functions for Extensions */
zend_extension_statement_handler(const zend_extension * extension,zend_op_array * op_array TSRMLS_DC)945 static void zend_extension_statement_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
946 {
947 if (extension->statement_handler) {
948 extension->statement_handler(op_array);
949 }
950 }
951
952
zend_extension_fcall_begin_handler(const zend_extension * extension,zend_op_array * op_array TSRMLS_DC)953 static void zend_extension_fcall_begin_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
954 {
955 if (extension->fcall_begin_handler) {
956 extension->fcall_begin_handler(op_array);
957 }
958 }
959
960
zend_extension_fcall_end_handler(const zend_extension * extension,zend_op_array * op_array TSRMLS_DC)961 static void zend_extension_fcall_end_handler(const zend_extension *extension, zend_op_array *op_array TSRMLS_DC)
962 {
963 if (extension->fcall_end_handler) {
964 extension->fcall_end_handler(op_array);
965 }
966 }
967
968
zend_get_target_symbol_table(int fetch_type TSRMLS_DC)969 static inline HashTable *zend_get_target_symbol_table(int fetch_type TSRMLS_DC)
970 {
971 switch (fetch_type) {
972 case ZEND_FETCH_LOCAL:
973 if (!EG(active_symbol_table)) {
974 zend_rebuild_symbol_table(TSRMLS_C);
975 }
976 return EG(active_symbol_table);
977 break;
978 case ZEND_FETCH_GLOBAL:
979 case ZEND_FETCH_GLOBAL_LOCK:
980 return &EG(symbol_table);
981 break;
982 case ZEND_FETCH_STATIC:
983 if (!EG(active_op_array)->static_variables) {
984 ALLOC_HASHTABLE(EG(active_op_array)->static_variables);
985 zend_hash_init(EG(active_op_array)->static_variables, 2, NULL, ZVAL_PTR_DTOR, 0);
986 }
987 return EG(active_op_array)->static_variables;
988 break;
989 EMPTY_SWITCH_DEFAULT_CASE()
990 }
991 return NULL;
992 }
993
zend_fetch_dimension_address_inner(HashTable * ht,const zval * dim,int dim_type,int type TSRMLS_DC)994 static inline zval **zend_fetch_dimension_address_inner(HashTable *ht, const zval *dim, int dim_type, int type TSRMLS_DC)
995 {
996 zval **retval;
997 char *offset_key;
998 int offset_key_length;
999 ulong hval;
1000
1001 switch (dim->type) {
1002 case IS_NULL:
1003 offset_key = "";
1004 offset_key_length = 0;
1005 hval = zend_inline_hash_func("", 1);
1006 goto fetch_string_dim;
1007
1008 case IS_STRING:
1009
1010 offset_key = dim->value.str.val;
1011 offset_key_length = dim->value.str.len;
1012
1013 if (dim_type == IS_CONST) {
1014 hval = Z_HASH_P(dim);
1015 } else {
1016 ZEND_HANDLE_NUMERIC_EX(offset_key, offset_key_length+1, hval, goto num_index);
1017 if (IS_INTERNED(offset_key)) {
1018 hval = INTERNED_HASH(offset_key);
1019 } else {
1020 hval = zend_hash_func(offset_key, offset_key_length+1);
1021 }
1022 }
1023 fetch_string_dim:
1024 if (zend_hash_quick_find(ht, offset_key, offset_key_length+1, hval, (void **) &retval) == FAILURE) {
1025 switch (type) {
1026 case BP_VAR_R:
1027 zend_error(E_NOTICE, "Undefined index: %s", offset_key);
1028 /* break missing intentionally */
1029 case BP_VAR_UNSET:
1030 case BP_VAR_IS:
1031 retval = &EG(uninitialized_zval_ptr);
1032 break;
1033 case BP_VAR_RW:
1034 zend_error(E_NOTICE,"Undefined index: %s", offset_key);
1035 /* break missing intentionally */
1036 case BP_VAR_W: {
1037 zval *new_zval = &EG(uninitialized_zval);
1038
1039 Z_ADDREF_P(new_zval);
1040 zend_hash_quick_update(ht, offset_key, offset_key_length+1, hval, &new_zval, sizeof(zval *), (void **) &retval);
1041 }
1042 break;
1043 }
1044 }
1045 break;
1046 case IS_DOUBLE:
1047 hval = zend_dval_to_lval(Z_DVAL_P(dim));
1048 goto num_index;
1049 case IS_RESOURCE:
1050 zend_error(E_STRICT, "Resource ID#%ld used as offset, casting to integer (%ld)", Z_LVAL_P(dim), Z_LVAL_P(dim));
1051 /* Fall Through */
1052 case IS_BOOL:
1053 case IS_LONG:
1054 hval = Z_LVAL_P(dim);
1055 num_index:
1056 if (zend_hash_index_find(ht, hval, (void **) &retval) == FAILURE) {
1057 switch (type) {
1058 case BP_VAR_R:
1059 zend_error(E_NOTICE,"Undefined offset: %ld", hval);
1060 /* break missing intentionally */
1061 case BP_VAR_UNSET:
1062 case BP_VAR_IS:
1063 retval = &EG(uninitialized_zval_ptr);
1064 break;
1065 case BP_VAR_RW:
1066 zend_error(E_NOTICE,"Undefined offset: %ld", hval);
1067 /* break missing intentionally */
1068 case BP_VAR_W: {
1069 zval *new_zval = &EG(uninitialized_zval);
1070
1071 Z_ADDREF_P(new_zval);
1072 zend_hash_index_update(ht, hval, &new_zval, sizeof(zval *), (void **) &retval);
1073 }
1074 break;
1075 }
1076 }
1077 break;
1078
1079 default:
1080 zend_error(E_WARNING, "Illegal offset type");
1081 return (type == BP_VAR_W || type == BP_VAR_RW) ?
1082 &EG(error_zval_ptr) : &EG(uninitialized_zval_ptr);
1083 }
1084 return retval;
1085 }
1086
zend_fetch_dimension_address(temp_variable * result,zval ** container_ptr,zval * dim,int dim_type,int type TSRMLS_DC)1087 static void zend_fetch_dimension_address(temp_variable *result, zval **container_ptr, zval *dim, int dim_type, int type TSRMLS_DC)
1088 {
1089 zval *container = *container_ptr;
1090 zval **retval;
1091
1092 switch (Z_TYPE_P(container)) {
1093
1094 case IS_ARRAY:
1095 if (type != BP_VAR_UNSET && Z_REFCOUNT_P(container)>1 && !PZVAL_IS_REF(container)) {
1096 SEPARATE_ZVAL(container_ptr);
1097 container = *container_ptr;
1098 }
1099 fetch_from_array:
1100 if (dim == NULL) {
1101 zval *new_zval = &EG(uninitialized_zval);
1102
1103 Z_ADDREF_P(new_zval);
1104 if (zend_hash_next_index_insert(Z_ARRVAL_P(container), &new_zval, sizeof(zval *), (void **) &retval) == FAILURE) {
1105 zend_error(E_WARNING, "Cannot add element to the array as the next element is already occupied");
1106 retval = &EG(error_zval_ptr);
1107 Z_DELREF_P(new_zval);
1108 }
1109 } else {
1110 retval = zend_fetch_dimension_address_inner(Z_ARRVAL_P(container), dim, dim_type, type TSRMLS_CC);
1111 }
1112 result->var.ptr_ptr = retval;
1113 PZVAL_LOCK(*retval);
1114 return;
1115 break;
1116
1117 case IS_NULL:
1118 if (container == &EG(error_zval)) {
1119 result->var.ptr_ptr = &EG(error_zval_ptr);
1120 PZVAL_LOCK(EG(error_zval_ptr));
1121 } else if (type != BP_VAR_UNSET) {
1122 convert_to_array:
1123 if (!PZVAL_IS_REF(container)) {
1124 SEPARATE_ZVAL(container_ptr);
1125 container = *container_ptr;
1126 }
1127 zval_dtor(container);
1128 array_init(container);
1129 goto fetch_from_array;
1130 } else {
1131 /* for read-mode only */
1132 result->var.ptr_ptr = &EG(uninitialized_zval_ptr);
1133 PZVAL_LOCK(EG(uninitialized_zval_ptr));
1134 }
1135 return;
1136 break;
1137
1138 case IS_STRING: {
1139 zval tmp;
1140
1141 if (type != BP_VAR_UNSET && Z_STRLEN_P(container)==0) {
1142 goto convert_to_array;
1143 }
1144 if (dim == NULL) {
1145 zend_error_noreturn(E_ERROR, "[] operator not supported for strings");
1146 }
1147
1148 if (type != BP_VAR_UNSET) {
1149 SEPARATE_ZVAL_IF_NOT_REF(container_ptr);
1150 }
1151
1152 if (Z_TYPE_P(dim) != IS_LONG) {
1153
1154 switch(Z_TYPE_P(dim)) {
1155 /* case IS_LONG: */
1156 case IS_STRING:
1157 if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, -1)) {
1158 break;
1159 }
1160 if (type != BP_VAR_UNSET) {
1161 zend_error(E_WARNING, "Illegal string offset '%s'", dim->value.str.val);
1162 }
1163
1164 break;
1165 case IS_DOUBLE:
1166 case IS_NULL:
1167 case IS_BOOL:
1168 zend_error(E_NOTICE, "String offset cast occurred");
1169 break;
1170 default:
1171 zend_error(E_WARNING, "Illegal offset type");
1172 break;
1173 }
1174
1175 tmp = *dim;
1176 zval_copy_ctor(&tmp);
1177 convert_to_long(&tmp);
1178 dim = &tmp;
1179 }
1180 container = *container_ptr;
1181 result->str_offset.str = container;
1182 PZVAL_LOCK(container);
1183 result->str_offset.offset = Z_LVAL_P(dim);
1184 result->str_offset.ptr_ptr = NULL;
1185 return;
1186 }
1187 break;
1188
1189 case IS_OBJECT:
1190 if (!Z_OBJ_HT_P(container)->read_dimension) {
1191 zend_error_noreturn(E_ERROR, "Cannot use object as array");
1192 } else {
1193 zval *overloaded_result;
1194
1195 if (dim_type == IS_TMP_VAR) {
1196 zval *orig = dim;
1197 MAKE_REAL_ZVAL_PTR(dim);
1198 ZVAL_NULL(orig);
1199 }
1200 overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC);
1201
1202 if (overloaded_result) {
1203 if (!Z_ISREF_P(overloaded_result)) {
1204 if (Z_REFCOUNT_P(overloaded_result) > 0) {
1205 zval *tmp = overloaded_result;
1206
1207 ALLOC_ZVAL(overloaded_result);
1208 ZVAL_COPY_VALUE(overloaded_result, tmp);
1209 zval_copy_ctor(overloaded_result);
1210 Z_UNSET_ISREF_P(overloaded_result);
1211 Z_SET_REFCOUNT_P(overloaded_result, 0);
1212 }
1213 if (Z_TYPE_P(overloaded_result) != IS_OBJECT) {
1214 zend_class_entry *ce = Z_OBJCE_P(container);
1215 zend_error(E_NOTICE, "Indirect modification of overloaded element of %s has no effect", ce->name);
1216 }
1217 }
1218 retval = &overloaded_result;
1219 } else {
1220 retval = &EG(error_zval_ptr);
1221 }
1222 AI_SET_PTR(result, *retval);
1223 PZVAL_LOCK(*retval);
1224 if (dim_type == IS_TMP_VAR) {
1225 zval_ptr_dtor(&dim);
1226 }
1227 }
1228 return;
1229 break;
1230
1231 case IS_BOOL:
1232 if (type != BP_VAR_UNSET && Z_LVAL_P(container)==0) {
1233 goto convert_to_array;
1234 }
1235 /* break missing intentionally */
1236
1237 default:
1238 if (type == BP_VAR_UNSET) {
1239 zend_error(E_WARNING, "Cannot unset offset in a non-array variable");
1240 AI_SET_PTR(result, &EG(uninitialized_zval));
1241 PZVAL_LOCK(&EG(uninitialized_zval));
1242 } else {
1243 zend_error(E_WARNING, "Cannot use a scalar value as an array");
1244 result->var.ptr_ptr = &EG(error_zval_ptr);
1245 PZVAL_LOCK(EG(error_zval_ptr));
1246 }
1247 break;
1248 }
1249 }
1250
zend_fetch_dimension_address_read(temp_variable * result,zval * container,zval * dim,int dim_type,int type TSRMLS_DC)1251 static void zend_fetch_dimension_address_read(temp_variable *result, zval *container, zval *dim, int dim_type, int type TSRMLS_DC)
1252 {
1253 zval **retval;
1254
1255 switch (Z_TYPE_P(container)) {
1256
1257 case IS_ARRAY:
1258 retval = zend_fetch_dimension_address_inner(Z_ARRVAL_P(container), dim, dim_type, type TSRMLS_CC);
1259 AI_SET_PTR(result, *retval);
1260 PZVAL_LOCK(*retval);
1261 return;
1262
1263 case IS_NULL:
1264 AI_SET_PTR(result, &EG(uninitialized_zval));
1265 PZVAL_LOCK(&EG(uninitialized_zval));
1266 return;
1267
1268 case IS_STRING: {
1269 zval tmp;
1270 zval *ptr;
1271
1272 if (Z_TYPE_P(dim) != IS_LONG) {
1273 switch(Z_TYPE_P(dim)) {
1274 /* case IS_LONG: */
1275 case IS_STRING:
1276 if (IS_LONG == is_numeric_string(Z_STRVAL_P(dim), Z_STRLEN_P(dim), NULL, NULL, -1)) {
1277 break;
1278 }
1279 if (type != BP_VAR_IS) {
1280 zend_error(E_WARNING, "Illegal string offset '%s'", dim->value.str.val);
1281 }
1282 break;
1283 case IS_DOUBLE:
1284 case IS_NULL:
1285 case IS_BOOL:
1286 if (type != BP_VAR_IS) {
1287 zend_error(E_NOTICE, "String offset cast occurred");
1288 }
1289 break;
1290 default:
1291 zend_error(E_WARNING, "Illegal offset type");
1292 break;
1293 }
1294
1295 ZVAL_COPY_VALUE(&tmp, dim);
1296 zval_copy_ctor(&tmp);
1297 convert_to_long(&tmp);
1298 dim = &tmp;
1299 }
1300
1301 ALLOC_ZVAL(ptr);
1302 INIT_PZVAL(ptr);
1303 Z_TYPE_P(ptr) = IS_STRING;
1304
1305 if (Z_LVAL_P(dim) < 0 || Z_STRLEN_P(container) <= Z_LVAL_P(dim)) {
1306 if (type != BP_VAR_IS) {
1307 zend_error(E_NOTICE, "Uninitialized string offset: %ld", Z_LVAL_P(dim));
1308 }
1309 Z_STRVAL_P(ptr) = STR_EMPTY_ALLOC();
1310 Z_STRLEN_P(ptr) = 0;
1311 } else {
1312 Z_STRVAL_P(ptr) = (char*)emalloc(2);
1313 Z_STRVAL_P(ptr)[0] = Z_STRVAL_P(container)[Z_LVAL_P(dim)];
1314 Z_STRVAL_P(ptr)[1] = 0;
1315 Z_STRLEN_P(ptr) = 1;
1316 }
1317 AI_SET_PTR(result, ptr);
1318 return;
1319 }
1320 break;
1321
1322 case IS_OBJECT:
1323 if (!Z_OBJ_HT_P(container)->read_dimension) {
1324 zend_error_noreturn(E_ERROR, "Cannot use object as array");
1325 } else {
1326 zval *overloaded_result;
1327
1328 if (dim_type == IS_TMP_VAR) {
1329 zval *orig = dim;
1330 MAKE_REAL_ZVAL_PTR(dim);
1331 ZVAL_NULL(orig);
1332 }
1333 overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim, type TSRMLS_CC);
1334
1335 if (overloaded_result) {
1336 AI_SET_PTR(result, overloaded_result);
1337 PZVAL_LOCK(overloaded_result);
1338 } else if (result) {
1339 AI_SET_PTR(result, &EG(uninitialized_zval));
1340 PZVAL_LOCK(&EG(uninitialized_zval));
1341 }
1342 if (dim_type == IS_TMP_VAR) {
1343 zval_ptr_dtor(&dim);
1344 }
1345 }
1346 return;
1347
1348 default:
1349 AI_SET_PTR(result, &EG(uninitialized_zval));
1350 PZVAL_LOCK(&EG(uninitialized_zval));
1351 return;
1352 }
1353 }
1354
zend_fetch_property_address(temp_variable * result,zval ** container_ptr,zval * prop_ptr,const zend_literal * key,int type TSRMLS_DC)1355 static void zend_fetch_property_address(temp_variable *result, zval **container_ptr, zval *prop_ptr, const zend_literal *key, int type TSRMLS_DC)
1356 {
1357 zval *container = *container_ptr;;
1358
1359 if (Z_TYPE_P(container) != IS_OBJECT) {
1360 if (container == &EG(error_zval)) {
1361 result->var.ptr_ptr = &EG(error_zval_ptr);
1362 PZVAL_LOCK(EG(error_zval_ptr));
1363 return;
1364 }
1365
1366 /* this should modify object only if it's empty */
1367 if (type != BP_VAR_UNSET &&
1368 ((Z_TYPE_P(container) == IS_NULL ||
1369 (Z_TYPE_P(container) == IS_BOOL && Z_LVAL_P(container)==0) ||
1370 (Z_TYPE_P(container) == IS_STRING && Z_STRLEN_P(container)==0)))) {
1371 if (!PZVAL_IS_REF(container)) {
1372 SEPARATE_ZVAL(container_ptr);
1373 container = *container_ptr;
1374 }
1375 object_init(container);
1376 } else {
1377 zend_error(E_WARNING, "Attempt to modify property of non-object");
1378 result->var.ptr_ptr = &EG(error_zval_ptr);
1379 PZVAL_LOCK(EG(error_zval_ptr));
1380 return;
1381 }
1382 }
1383
1384 if (Z_OBJ_HT_P(container)->get_property_ptr_ptr) {
1385 zval **ptr_ptr = Z_OBJ_HT_P(container)->get_property_ptr_ptr(container, prop_ptr, key TSRMLS_CC);
1386 if (NULL == ptr_ptr) {
1387 zval *ptr;
1388
1389 if (Z_OBJ_HT_P(container)->read_property &&
1390 (ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, key TSRMLS_CC)) != NULL) {
1391 AI_SET_PTR(result, ptr);
1392 PZVAL_LOCK(ptr);
1393 } else {
1394 zend_error_noreturn(E_ERROR, "Cannot access undefined property for object with overloaded property access");
1395 }
1396 } else {
1397 result->var.ptr_ptr = ptr_ptr;
1398 PZVAL_LOCK(*ptr_ptr);
1399 }
1400 } else if (Z_OBJ_HT_P(container)->read_property) {
1401 zval *ptr = Z_OBJ_HT_P(container)->read_property(container, prop_ptr, type, key TSRMLS_CC);
1402
1403 AI_SET_PTR(result, ptr);
1404 PZVAL_LOCK(ptr);
1405 } else {
1406 zend_error(E_WARNING, "This object doesn't support property references");
1407 result->var.ptr_ptr = &EG(error_zval_ptr);
1408 PZVAL_LOCK(EG(error_zval_ptr));
1409 }
1410 }
1411
zend_brk_cont(int nest_levels,int array_offset,const zend_op_array * op_array,const temp_variable * Ts TSRMLS_DC)1412 static inline zend_brk_cont_element* zend_brk_cont(int nest_levels, int array_offset, const zend_op_array *op_array, const temp_variable *Ts TSRMLS_DC)
1413 {
1414 int original_nest_levels = nest_levels;
1415 zend_brk_cont_element *jmp_to;
1416
1417 do {
1418 if (array_offset==-1) {
1419 zend_error_noreturn(E_ERROR, "Cannot break/continue %d level%s", original_nest_levels, (original_nest_levels == 1) ? "" : "s");
1420 }
1421 jmp_to = &op_array->brk_cont_array[array_offset];
1422 if (nest_levels>1) {
1423 zend_op *brk_opline = &op_array->opcodes[jmp_to->brk];
1424
1425 switch (brk_opline->opcode) {
1426 case ZEND_SWITCH_FREE:
1427 if (!(brk_opline->extended_value & EXT_TYPE_FREE_ON_RETURN)) {
1428 zval_ptr_dtor(&T(brk_opline->op1.var).var.ptr);
1429 }
1430 break;
1431 case ZEND_FREE:
1432 if (!(brk_opline->extended_value & EXT_TYPE_FREE_ON_RETURN)) {
1433 zendi_zval_dtor(T(brk_opline->op1.var).tmp_var);
1434 }
1435 break;
1436 }
1437 }
1438 array_offset = jmp_to->parent;
1439 } while (--nest_levels > 0);
1440 return jmp_to;
1441 }
1442
1443 #if ZEND_INTENSIVE_DEBUGGING
1444
1445 #define CHECK_SYMBOL_TABLES() \
1446 zend_hash_apply(&EG(symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \
1447 if (&EG(symbol_table)!=EG(active_symbol_table)) { \
1448 zend_hash_apply(EG(active_symbol_table), (apply_func_t) zend_check_symbol TSRMLS_CC); \
1449 }
1450
zend_check_symbol(zval ** pz TSRMLS_DC)1451 static int zend_check_symbol(zval **pz TSRMLS_DC)
1452 {
1453 if (Z_TYPE_PP(pz) > 9) {
1454 fprintf(stderr, "Warning! %x has invalid type!\n", *pz);
1455 /* See http://support.microsoft.com/kb/190351 */
1456 #ifdef PHP_WIN32
1457 fflush(stderr);
1458 #endif
1459 } else if (Z_TYPE_PP(pz) == IS_ARRAY) {
1460 zend_hash_apply(Z_ARRVAL_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
1461 } else if (Z_TYPE_PP(pz) == IS_OBJECT) {
1462
1463 /* OBJ-TBI - doesn't support new object model! */
1464 zend_hash_apply(Z_OBJPROP_PP(pz), (apply_func_t) zend_check_symbol TSRMLS_CC);
1465 }
1466
1467 return 0;
1468 }
1469
1470
1471 #else
1472 #define CHECK_SYMBOL_TABLES()
1473 #endif
1474
1475 ZEND_API opcode_handler_t *zend_opcode_handlers;
1476
execute_internal(zend_execute_data * execute_data_ptr,int return_value_used TSRMLS_DC)1477 ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC)
1478 {
1479 zval **return_value_ptr = &(*(temp_variable *)((char *) execute_data_ptr->Ts + execute_data_ptr->opline->result.var)).var.ptr;
1480 ((zend_internal_function *) execute_data_ptr->function_state.function)->handler(execute_data_ptr->opline->extended_value, *return_value_ptr, (execute_data_ptr->function_state.function->common.fn_flags & ZEND_ACC_RETURN_REFERENCE)?return_value_ptr:NULL, execute_data_ptr->object, return_value_used TSRMLS_CC);
1481 }
1482
1483 #define ZEND_VM_NEXT_OPCODE() \
1484 CHECK_SYMBOL_TABLES() \
1485 ZEND_VM_INC_OPCODE(); \
1486 ZEND_VM_CONTINUE()
1487
1488 #define ZEND_VM_SET_OPCODE(new_op) \
1489 CHECK_SYMBOL_TABLES() \
1490 OPLINE = new_op
1491
1492 #define ZEND_VM_JMP(new_op) \
1493 if (EXPECTED(!EG(exception))) { \
1494 ZEND_VM_SET_OPCODE(new_op); \
1495 } else { \
1496 LOAD_OPLINE(); \
1497 } \
1498 ZEND_VM_CONTINUE()
1499
1500 #define ZEND_VM_INC_OPCODE() \
1501 OPLINE++
1502
1503 #ifdef __GNUC__
1504 # define ZEND_VM_GUARD(name) __asm__("#" #name)
1505 #else
1506 # define ZEND_VM_GUARD(name)
1507 #endif
1508
1509 #include "zend_vm_execute.h"
1510
zend_set_user_opcode_handler(zend_uchar opcode,user_opcode_handler_t handler)1511 ZEND_API int zend_set_user_opcode_handler(zend_uchar opcode, user_opcode_handler_t handler)
1512 {
1513 if (opcode != ZEND_USER_OPCODE) {
1514 if (handler == NULL) {
1515 /* restore the original handler */
1516 zend_user_opcodes[opcode] = opcode;
1517 } else {
1518 zend_user_opcodes[opcode] = ZEND_USER_OPCODE;
1519 }
1520 zend_user_opcode_handlers[opcode] = handler;
1521 return SUCCESS;
1522 }
1523 return FAILURE;
1524 }
1525
zend_get_user_opcode_handler(zend_uchar opcode)1526 ZEND_API user_opcode_handler_t zend_get_user_opcode_handler(zend_uchar opcode)
1527 {
1528 return zend_user_opcode_handlers[opcode];
1529 }
1530
zend_get_zval_ptr(int op_type,const znode_op * node,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)1531 ZEND_API zval *zend_get_zval_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) {
1532 return get_zval_ptr(op_type, node, Ts, should_free, type);
1533 }
1534
zend_get_zval_ptr_ptr(int op_type,const znode_op * node,const temp_variable * Ts,zend_free_op * should_free,int type TSRMLS_DC)1535 ZEND_API zval **zend_get_zval_ptr_ptr(int op_type, const znode_op *node, const temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC) {
1536 return get_zval_ptr_ptr(op_type, node, Ts, should_free, type);
1537 }
1538
1539 /*
1540 * Local variables:
1541 * tab-width: 4
1542 * c-basic-offset: 4
1543 * indent-tabs-mode: t
1544 * End:
1545 */
1546
