1 /*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 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@php.net> |
16 | Zeev Suraski <zeev@php.net> |
17 +----------------------------------------------------------------------+
18 */
19
20 #include "zend.h"
21 #include "zend_extensions.h"
22 #include "zend_modules.h"
23 #include "zend_constants.h"
24 #include "zend_list.h"
25 #include "zend_API.h"
26 #include "zend_exceptions.h"
27 #include "zend_builtin_functions.h"
28 #include "zend_ini.h"
29 #include "zend_vm.h"
30 #include "zend_dtrace.h"
31 #include "zend_virtual_cwd.h"
32 #include "zend_smart_str.h"
33 #include "zend_smart_string.h"
34 #include "zend_cpuinfo.h"
35 #include "zend_attributes.h"
36 #include "zend_observer.h"
37
38 static size_t global_map_ptr_last = 0;
39
40 #ifdef ZTS
41 ZEND_API int compiler_globals_id;
42 ZEND_API int executor_globals_id;
43 ZEND_API size_t compiler_globals_offset;
44 ZEND_API size_t executor_globals_offset;
45 static HashTable *global_function_table = NULL;
46 static HashTable *global_class_table = NULL;
47 static HashTable *global_constants_table = NULL;
48 static HashTable *global_auto_globals_table = NULL;
49 static HashTable *global_persistent_list = NULL;
50 ZEND_TSRMLS_CACHE_DEFINE()
51 # define GLOBAL_FUNCTION_TABLE global_function_table
52 # define GLOBAL_CLASS_TABLE global_class_table
53 # define GLOBAL_CONSTANTS_TABLE global_constants_table
54 # define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table
55 #else
56 # define GLOBAL_FUNCTION_TABLE CG(function_table)
57 # define GLOBAL_CLASS_TABLE CG(class_table)
58 # define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
59 # define GLOBAL_CONSTANTS_TABLE EG(zend_constants)
60 #endif
61
62 ZEND_API zend_utility_values zend_uv;
63 ZEND_API zend_bool zend_dtrace_enabled;
64
65 /* version information */
66 static char *zend_version_info;
67 static uint32_t zend_version_info_length;
68 #define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) Zend Technologies\n"
69 #define PRINT_ZVAL_INDENT 4
70
71 /* true multithread-shared globals */
72 ZEND_API zend_class_entry *zend_standard_class_def = NULL;
73 ZEND_API size_t (*zend_printf)(const char *format, ...);
74 ZEND_API zend_write_func_t zend_write;
75 ZEND_API FILE *(*zend_fopen)(const char *filename, zend_string **opened_path);
76 ZEND_API zend_result (*zend_stream_open_function)(const char *filename, zend_file_handle *handle);
77 ZEND_API void (*zend_ticks_function)(int ticks);
78 ZEND_API void (*zend_interrupt_function)(zend_execute_data *execute_data);
79 ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint32_t error_lineno, zend_string *message);
80 void (*zend_printf_to_smart_string)(smart_string *buf, const char *format, va_list ap);
81 void (*zend_printf_to_smart_str)(smart_str *buf, const char *format, va_list ap);
82 ZEND_API char *(*zend_getenv)(const char *name, size_t name_len);
83 ZEND_API zend_string *(*zend_resolve_path)(const char *filename, size_t filename_len);
84 ZEND_API zend_result (*zend_post_startup_cb)(void) = NULL;
85 ZEND_API void (*zend_post_shutdown_cb)(void) = NULL;
86 ZEND_API zend_result (*zend_preload_autoload)(zend_string *filename) = NULL;
87
88 /* This callback must be signal handler safe! */
89 void (*zend_on_timeout)(int seconds);
90
91 static void (*zend_message_dispatcher_p)(zend_long message, const void *data);
92 static zval *(*zend_get_configuration_directive_p)(zend_string *name);
93
94 #if ZEND_RC_DEBUG
95 ZEND_API zend_bool zend_rc_debug = 0;
96 #endif
97
ZEND_INI_MH(OnUpdateErrorReporting)98 static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
99 {
100 if (!new_value) {
101 EG(error_reporting) = E_ALL;
102 } else {
103 EG(error_reporting) = atoi(ZSTR_VAL(new_value));
104 }
105 return SUCCESS;
106 }
107 /* }}} */
108
ZEND_INI_MH(OnUpdateGCEnabled)109 static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
110 {
111 zend_bool val;
112
113 val = zend_ini_parse_bool(new_value);
114 gc_enable(val);
115
116 return SUCCESS;
117 }
118 /* }}} */
119
ZEND_INI_DISP(zend_gc_enabled_displayer_cb)120 static ZEND_INI_DISP(zend_gc_enabled_displayer_cb) /* {{{ */
121 {
122 if (gc_enabled()) {
123 ZEND_PUTS("On");
124 } else {
125 ZEND_PUTS("Off");
126 }
127 }
128 /* }}} */
129
130
ZEND_INI_MH(OnUpdateScriptEncoding)131 static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
132 {
133 if (!CG(multibyte)) {
134 return FAILURE;
135 }
136 if (!zend_multibyte_get_functions()) {
137 return SUCCESS;
138 }
139 return zend_multibyte_set_script_encoding_by_string(new_value ? ZSTR_VAL(new_value) : NULL, new_value ? ZSTR_LEN(new_value) : 0);
140 }
141 /* }}} */
142
ZEND_INI_MH(OnUpdateAssertions)143 static ZEND_INI_MH(OnUpdateAssertions) /* {{{ */
144 {
145 zend_long *p = (zend_long *) ZEND_INI_GET_ADDR();
146
147 zend_long val = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
148
149 if (stage != ZEND_INI_STAGE_STARTUP &&
150 stage != ZEND_INI_STAGE_SHUTDOWN &&
151 *p != val &&
152 (*p < 0 || val < 0)) {
153 zend_error(E_WARNING, "zend.assertions may be completely enabled or disabled only in php.ini");
154 return FAILURE;
155 }
156
157 *p = val;
158 return SUCCESS;
159 }
160 /* }}} */
161
ZEND_INI_MH(OnSetExceptionStringParamMaxLen)162 static ZEND_INI_MH(OnSetExceptionStringParamMaxLen) /* {{{ */
163 {
164 zend_long i;
165
166 ZEND_ATOL(i, ZSTR_VAL(new_value));
167 if (i >= 0 && i <= 1000000) {
168 EG(exception_string_param_max_len) = i;
169 return SUCCESS;
170 } else {
171 return FAILURE;
172 }
173 }
174 /* }}} */
175
176 #if ZEND_DEBUG
177 # define SIGNAL_CHECK_DEFAULT "1"
178 #else
179 # define SIGNAL_CHECK_DEFAULT "0"
180 #endif
181
182 ZEND_INI_BEGIN()
183 ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting)
184 STD_ZEND_INI_ENTRY("zend.assertions", "1", ZEND_INI_ALL, OnUpdateAssertions, assertions, zend_executor_globals, executor_globals)
185 ZEND_INI_ENTRY3_EX("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, NULL, NULL, NULL, zend_gc_enabled_displayer_cb)
186 STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte, zend_compiler_globals, compiler_globals)
187 ZEND_INI_ENTRY("zend.script_encoding", NULL, ZEND_INI_ALL, OnUpdateScriptEncoding)
188 STD_ZEND_INI_BOOLEAN("zend.detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
189 #ifdef ZEND_SIGNALS
190 STD_ZEND_INI_BOOLEAN("zend.signal_check", SIGNAL_CHECK_DEFAULT, ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
191 #endif
192 STD_ZEND_INI_BOOLEAN("zend.exception_ignore_args", "0", ZEND_INI_ALL, OnUpdateBool, exception_ignore_args, zend_executor_globals, executor_globals)
193 STD_ZEND_INI_ENTRY("zend.exception_string_param_max_len", "15", ZEND_INI_ALL, OnSetExceptionStringParamMaxLen, exception_string_param_max_len, zend_executor_globals, executor_globals)
ZEND_INI_END()194 ZEND_INI_END()
195
196 ZEND_API size_t zend_vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap) /* {{{ */
197 {
198 smart_string buf = {0};
199
200 /* since there are places where (v)spprintf called without checking for null,
201 a bit of defensive coding here */
202 if (!pbuf) {
203 return 0;
204 }
205
206 zend_printf_to_smart_string(&buf, format, ap);
207
208 if (max_len && buf.len > max_len) {
209 buf.len = max_len;
210 }
211
212 smart_string_0(&buf);
213
214 if (buf.c) {
215 *pbuf = buf.c;
216 return buf.len;
217 } else {
218 *pbuf = estrndup("", 0);
219 return 0;
220 }
221 }
222 /* }}} */
223
zend_spprintf(char ** message,size_t max_len,const char * format,...)224 ZEND_API size_t zend_spprintf(char **message, size_t max_len, const char *format, ...) /* {{{ */
225 {
226 va_list arg;
227 size_t len;
228
229 va_start(arg, format);
230 len = zend_vspprintf(message, max_len, format, arg);
231 va_end(arg);
232 return len;
233 }
234 /* }}} */
235
zend_spprintf_unchecked(char ** message,size_t max_len,const char * format,...)236 ZEND_API size_t zend_spprintf_unchecked(char **message, size_t max_len, const char *format, ...) /* {{{ */
237 {
238 va_list arg;
239 size_t len;
240
241 va_start(arg, format);
242 len = zend_vspprintf(message, max_len, format, arg);
243 va_end(arg);
244 return len;
245 }
246 /* }}} */
247
zend_vstrpprintf(size_t max_len,const char * format,va_list ap)248 ZEND_API zend_string *zend_vstrpprintf(size_t max_len, const char *format, va_list ap) /* {{{ */
249 {
250 smart_str buf = {0};
251
252 zend_printf_to_smart_str(&buf, format, ap);
253
254 if (!buf.s) {
255 return ZSTR_EMPTY_ALLOC();
256 }
257
258 if (max_len && ZSTR_LEN(buf.s) > max_len) {
259 ZSTR_LEN(buf.s) = max_len;
260 }
261
262 smart_str_0(&buf);
263 return buf.s;
264 }
265 /* }}} */
266
zend_strpprintf(size_t max_len,const char * format,...)267 ZEND_API zend_string *zend_strpprintf(size_t max_len, const char *format, ...) /* {{{ */
268 {
269 va_list arg;
270 zend_string *str;
271
272 va_start(arg, format);
273 str = zend_vstrpprintf(max_len, format, arg);
274 va_end(arg);
275 return str;
276 }
277 /* }}} */
278
zend_strpprintf_unchecked(size_t max_len,const char * format,...)279 ZEND_API zend_string *zend_strpprintf_unchecked(size_t max_len, const char *format, ...) /* {{{ */
280 {
281 va_list arg;
282 zend_string *str;
283
284 va_start(arg, format);
285 str = zend_vstrpprintf(max_len, format, arg);
286 va_end(arg);
287 return str;
288 }
289 /* }}} */
290
291 static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent);
292
print_hash(smart_str * buf,HashTable * ht,int indent,zend_bool is_object)293 static void print_hash(smart_str *buf, HashTable *ht, int indent, zend_bool is_object) /* {{{ */
294 {
295 zval *tmp;
296 zend_string *string_key;
297 zend_ulong num_key;
298 int i;
299
300 for (i = 0; i < indent; i++) {
301 smart_str_appendc(buf, ' ');
302 }
303 smart_str_appends(buf, "(\n");
304 indent += PRINT_ZVAL_INDENT;
305 ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
306 for (i = 0; i < indent; i++) {
307 smart_str_appendc(buf, ' ');
308 }
309 smart_str_appendc(buf, '[');
310 if (string_key) {
311 if (is_object) {
312 const char *prop_name, *class_name;
313 size_t prop_len;
314 int mangled = zend_unmangle_property_name_ex(string_key, &class_name, &prop_name, &prop_len);
315
316 smart_str_appendl(buf, prop_name, prop_len);
317 if (class_name && mangled == SUCCESS) {
318 if (class_name[0] == '*') {
319 smart_str_appends(buf, ":protected");
320 } else {
321 smart_str_appends(buf, ":");
322 smart_str_appends(buf, class_name);
323 smart_str_appends(buf, ":private");
324 }
325 }
326 } else {
327 smart_str_append(buf, string_key);
328 }
329 } else {
330 smart_str_append_long(buf, num_key);
331 }
332 smart_str_appends(buf, "] => ");
333 zend_print_zval_r_to_buf(buf, tmp, indent+PRINT_ZVAL_INDENT);
334 smart_str_appends(buf, "\n");
335 } ZEND_HASH_FOREACH_END();
336 indent -= PRINT_ZVAL_INDENT;
337 for (i = 0; i < indent; i++) {
338 smart_str_appendc(buf, ' ');
339 }
340 smart_str_appends(buf, ")\n");
341 }
342 /* }}} */
343
print_flat_hash(HashTable * ht)344 static void print_flat_hash(HashTable *ht) /* {{{ */
345 {
346 zval *tmp;
347 zend_string *string_key;
348 zend_ulong num_key;
349 int i = 0;
350
351 ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
352 if (i++ > 0) {
353 ZEND_PUTS(",");
354 }
355 ZEND_PUTS("[");
356 if (string_key) {
357 ZEND_WRITE(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
358 } else {
359 zend_printf(ZEND_ULONG_FMT, num_key);
360 }
361 ZEND_PUTS("] => ");
362 zend_print_flat_zval_r(tmp);
363 } ZEND_HASH_FOREACH_END();
364 }
365 /* }}} */
366
zend_make_printable_zval(zval * expr,zval * expr_copy)367 ZEND_API bool zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */
368 {
369 if (Z_TYPE_P(expr) == IS_STRING) {
370 return 0;
371 } else {
372 ZVAL_STR(expr_copy, zval_get_string_func(expr));
373 return 1;
374 }
375 }
376 /* }}} */
377
zend_print_zval(zval * expr,int indent)378 ZEND_API size_t zend_print_zval(zval *expr, int indent) /* {{{ */
379 {
380 zend_string *tmp_str;
381 zend_string *str = zval_get_tmp_string(expr, &tmp_str);
382 size_t len = ZSTR_LEN(str);
383
384 if (len != 0) {
385 zend_write(ZSTR_VAL(str), len);
386 }
387
388 zend_tmp_string_release(tmp_str);
389 return len;
390 }
391 /* }}} */
392
zend_print_flat_zval_r(zval * expr)393 ZEND_API void zend_print_flat_zval_r(zval *expr) /* {{{ */
394 {
395 switch (Z_TYPE_P(expr)) {
396 case IS_ARRAY:
397 ZEND_PUTS("Array (");
398 if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
399 if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
400 ZEND_PUTS(" *RECURSION*");
401 return;
402 }
403 GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
404 }
405 print_flat_hash(Z_ARRVAL_P(expr));
406 ZEND_PUTS(")");
407 GC_TRY_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
408 break;
409 case IS_OBJECT:
410 {
411 HashTable *properties;
412 zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
413 zend_printf("%s Object (", ZSTR_VAL(class_name));
414 zend_string_release_ex(class_name, 0);
415
416 if (GC_IS_RECURSIVE(Z_COUNTED_P(expr))) {
417 ZEND_PUTS(" *RECURSION*");
418 return;
419 }
420
421 properties = Z_OBJPROP_P(expr);
422 if (properties) {
423 GC_PROTECT_RECURSION(Z_OBJ_P(expr));
424 print_flat_hash(properties);
425 GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
426 }
427 ZEND_PUTS(")");
428 break;
429 }
430 case IS_REFERENCE:
431 zend_print_flat_zval_r(Z_REFVAL_P(expr));
432 break;
433 default:
434 zend_print_zval(expr, 0);
435 break;
436 }
437 }
438 /* }}} */
439
zend_print_zval_r_to_buf(smart_str * buf,zval * expr,int indent)440 static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent) /* {{{ */
441 {
442 switch (Z_TYPE_P(expr)) {
443 case IS_ARRAY:
444 smart_str_appends(buf, "Array\n");
445 if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
446 if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
447 smart_str_appends(buf, " *RECURSION*");
448 return;
449 }
450 GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
451 }
452 print_hash(buf, Z_ARRVAL_P(expr), indent, 0);
453 GC_TRY_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
454 break;
455 case IS_OBJECT:
456 {
457 HashTable *properties;
458
459 zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
460 smart_str_appends(buf, ZSTR_VAL(class_name));
461 zend_string_release_ex(class_name, 0);
462
463 smart_str_appends(buf, " Object\n");
464 if (GC_IS_RECURSIVE(Z_OBJ_P(expr))) {
465 smart_str_appends(buf, " *RECURSION*");
466 return;
467 }
468
469 if ((properties = zend_get_properties_for(expr, ZEND_PROP_PURPOSE_DEBUG)) == NULL) {
470 break;
471 }
472
473 GC_PROTECT_RECURSION(Z_OBJ_P(expr));
474 print_hash(buf, properties, indent, 1);
475 GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
476
477 zend_release_properties(properties);
478 break;
479 }
480 case IS_LONG:
481 smart_str_append_long(buf, Z_LVAL_P(expr));
482 break;
483 case IS_REFERENCE:
484 zend_print_zval_r_to_buf(buf, Z_REFVAL_P(expr), indent);
485 break;
486 case IS_STRING:
487 smart_str_append(buf, Z_STR_P(expr));
488 break;
489 default:
490 {
491 zend_string *str = zval_get_string_func(expr);
492 smart_str_append(buf, str);
493 zend_string_release_ex(str, 0);
494 }
495 break;
496 }
497 }
498 /* }}} */
499
zend_print_zval_r_to_str(zval * expr,int indent)500 ZEND_API zend_string *zend_print_zval_r_to_str(zval *expr, int indent) /* {{{ */
501 {
502 smart_str buf = {0};
503 zend_print_zval_r_to_buf(&buf, expr, indent);
504 smart_str_0(&buf);
505 return buf.s;
506 }
507 /* }}} */
508
zend_print_zval_r(zval * expr,int indent)509 ZEND_API void zend_print_zval_r(zval *expr, int indent) /* {{{ */
510 {
511 zend_string *str = zend_print_zval_r_to_str(expr, indent);
512 zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
513 zend_string_release_ex(str, 0);
514 }
515 /* }}} */
516
zend_fopen_wrapper(const char * filename,zend_string ** opened_path)517 static FILE *zend_fopen_wrapper(const char *filename, zend_string **opened_path) /* {{{ */
518 {
519 if (opened_path) {
520 *opened_path = zend_string_init(filename, strlen(filename), 0);
521 }
522 return fopen(filename, "rb");
523 }
524 /* }}} */
525
526 #ifdef ZTS
527 static zend_bool short_tags_default = 1;
528 static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
529 #else
530 # define short_tags_default 1
531 # define compiler_options_default ZEND_COMPILE_DEFAULT
532 #endif
533
zend_set_default_compile_time_values(void)534 static void zend_set_default_compile_time_values(void) /* {{{ */
535 {
536 /* default compile-time values */
537 CG(short_tags) = short_tags_default;
538 CG(compiler_options) = compiler_options_default;
539
540 CG(rtd_key_counter) = 0;
541 }
542 /* }}} */
543
544 #ifdef ZEND_WIN32
zend_get_windows_version_info(OSVERSIONINFOEX * osvi)545 static void zend_get_windows_version_info(OSVERSIONINFOEX *osvi) /* {{{ */
546 {
547 ZeroMemory(osvi, sizeof(OSVERSIONINFOEX));
548 osvi->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
549 if(!GetVersionEx((OSVERSIONINFO *) osvi)) {
550 ZEND_UNREACHABLE(); /* Should not happen as sizeof is used. */
551 }
552 }
553 /* }}} */
554 #endif
555
zend_init_exception_op(void)556 static void zend_init_exception_op(void) /* {{{ */
557 {
558 memset(EG(exception_op), 0, sizeof(EG(exception_op)));
559 EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
560 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
561 EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
562 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
563 EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
564 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
565 }
566 /* }}} */
567
zend_init_call_trampoline_op(void)568 static void zend_init_call_trampoline_op(void) /* {{{ */
569 {
570 memset(&EG(call_trampoline_op), 0, sizeof(EG(call_trampoline_op)));
571 EG(call_trampoline_op).opcode = ZEND_CALL_TRAMPOLINE;
572 ZEND_VM_SET_OPCODE_HANDLER(&EG(call_trampoline_op));
573 }
574 /* }}} */
575
auto_global_dtor(zval * zv)576 static void auto_global_dtor(zval *zv) /* {{{ */
577 {
578 free(Z_PTR_P(zv));
579 }
580 /* }}} */
581
582 #ifdef ZTS
function_copy_ctor(zval * zv)583 static void function_copy_ctor(zval *zv) /* {{{ */
584 {
585 zend_function *old_func = Z_FUNC_P(zv);
586 zend_function *func;
587
588 if (old_func->type == ZEND_USER_FUNCTION) {
589 ZEND_ASSERT(old_func->op_array.fn_flags & ZEND_ACC_IMMUTABLE);
590 return;
591 }
592 func = pemalloc(sizeof(zend_internal_function), 1);
593 Z_FUNC_P(zv) = func;
594 memcpy(func, old_func, sizeof(zend_internal_function));
595 function_add_ref(func);
596 if ((old_func->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))
597 && old_func->common.arg_info) {
598 uint32_t i;
599 uint32_t num_args = old_func->common.num_args + 1;
600 zend_arg_info *arg_info = old_func->common.arg_info - 1;
601 zend_arg_info *new_arg_info;
602
603 if (old_func->common.fn_flags & ZEND_ACC_VARIADIC) {
604 num_args++;
605 }
606 new_arg_info = pemalloc(sizeof(zend_arg_info) * num_args, 1);
607 memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
608 for (i = 0 ; i < num_args; i++) {
609 if (ZEND_TYPE_HAS_LIST(arg_info[i].type)) {
610 zend_type_list *old_list = ZEND_TYPE_LIST(arg_info[i].type);
611 zend_type_list *new_list = pemalloc(ZEND_TYPE_LIST_SIZE(old_list->num_types), 1);
612 memcpy(new_list, old_list, ZEND_TYPE_LIST_SIZE(old_list->num_types));
613 ZEND_TYPE_SET_PTR(new_arg_info[i].type, new_list);
614
615 zend_type *list_type;
616 ZEND_TYPE_LIST_FOREACH(new_list, list_type) {
617 zend_string *name = zend_string_dup(ZEND_TYPE_NAME(*list_type), 1);
618 ZEND_TYPE_SET_PTR(*list_type, name);
619 } ZEND_TYPE_LIST_FOREACH_END();
620 } else if (ZEND_TYPE_HAS_NAME(arg_info[i].type)) {
621 zend_string *name = zend_string_dup(ZEND_TYPE_NAME(arg_info[i].type), 1);
622 ZEND_TYPE_SET_PTR(new_arg_info[i].type, name);
623 }
624 }
625 func->common.arg_info = new_arg_info + 1;
626 }
627 }
628 /* }}} */
629
auto_global_copy_ctor(zval * zv)630 static void auto_global_copy_ctor(zval *zv) /* {{{ */
631 {
632 zend_auto_global *old_ag = (zend_auto_global *) Z_PTR_P(zv);
633 zend_auto_global *new_ag = pemalloc(sizeof(zend_auto_global), 1);
634
635 new_ag->name = old_ag->name;
636 new_ag->auto_global_callback = old_ag->auto_global_callback;
637 new_ag->jit = old_ag->jit;
638
639 Z_PTR_P(zv) = new_ag;
640 }
641 /* }}} */
642
compiler_globals_ctor(zend_compiler_globals * compiler_globals)643 static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{{ */
644 {
645 compiler_globals->compiled_filename = NULL;
646
647 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
648 zend_hash_init(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
649 zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);
650
651 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
652 zend_hash_init(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1);
653 zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);
654
655 zend_set_default_compile_time_values();
656
657 compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
658 zend_hash_init(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1);
659 zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);
660
661 compiler_globals->script_encoding_list = NULL;
662
663 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
664 /* Map region is going to be created and resized at run-time. */
665 ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, NULL);
666 compiler_globals->map_ptr_size = 0;
667 compiler_globals->map_ptr_last = global_map_ptr_last;
668 if (compiler_globals->map_ptr_last) {
669 /* Allocate map_ptr table */
670 void *base;
671 compiler_globals->map_ptr_size = ZEND_MM_ALIGNED_SIZE_EX(compiler_globals->map_ptr_last, 4096);
672 base = pemalloc(compiler_globals->map_ptr_size * sizeof(void*), 1);
673 ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, base);
674 memset(base, 0, compiler_globals->map_ptr_last * sizeof(void*));
675 }
676 #else
677 # error "Unknown ZEND_MAP_PTR_KIND"
678 #endif
679 }
680 /* }}} */
681
compiler_globals_dtor(zend_compiler_globals * compiler_globals)682 static void compiler_globals_dtor(zend_compiler_globals *compiler_globals) /* {{{ */
683 {
684 if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
685 zend_hash_destroy(compiler_globals->function_table);
686 free(compiler_globals->function_table);
687 }
688 if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
689 zend_hash_destroy(compiler_globals->class_table);
690 free(compiler_globals->class_table);
691 }
692 if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
693 zend_hash_destroy(compiler_globals->auto_globals);
694 free(compiler_globals->auto_globals);
695 }
696 if (compiler_globals->script_encoding_list) {
697 pefree((char*)compiler_globals->script_encoding_list, 1);
698 }
699 if (ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)) {
700 free(ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base));
701 ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, NULL);
702 compiler_globals->map_ptr_size = 0;
703 }
704 }
705 /* }}} */
706
executor_globals_ctor(zend_executor_globals * executor_globals)707 static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */
708 {
709 zend_startup_constants();
710 zend_copy_constants(executor_globals->zend_constants, GLOBAL_CONSTANTS_TABLE);
711 zend_init_rsrc_plist();
712 zend_init_exception_op();
713 zend_init_call_trampoline_op();
714 memset(&executor_globals->trampoline, 0, sizeof(zend_op_array));
715 executor_globals->lambda_count = 0;
716 ZVAL_UNDEF(&executor_globals->user_error_handler);
717 ZVAL_UNDEF(&executor_globals->user_exception_handler);
718 executor_globals->in_autoload = NULL;
719 executor_globals->current_execute_data = NULL;
720 executor_globals->current_module = NULL;
721 executor_globals->exit_status = 0;
722 #if XPFPA_HAVE_CW
723 executor_globals->saved_fpu_cw = 0;
724 #endif
725 executor_globals->saved_fpu_cw_ptr = NULL;
726 executor_globals->active = 0;
727 executor_globals->bailout = NULL;
728 executor_globals->error_handling = EH_NORMAL;
729 executor_globals->exception_class = NULL;
730 executor_globals->exception = NULL;
731 executor_globals->objects_store.object_buckets = NULL;
732 #ifdef ZEND_WIN32
733 zend_get_windows_version_info(&executor_globals->windows_version_info);
734 #endif
735 executor_globals->flags = EG_FLAGS_INITIAL;
736 }
737 /* }}} */
738
executor_globals_dtor(zend_executor_globals * executor_globals)739 static void executor_globals_dtor(zend_executor_globals *executor_globals) /* {{{ */
740 {
741 zend_ini_dtor(executor_globals->ini_directives);
742
743 if (&executor_globals->persistent_list != global_persistent_list) {
744 zend_destroy_rsrc_list(&executor_globals->persistent_list);
745 }
746 if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
747 zend_hash_destroy(executor_globals->zend_constants);
748 free(executor_globals->zend_constants);
749 }
750 }
751 /* }}} */
752
zend_new_thread_end_handler(THREAD_T thread_id)753 static void zend_new_thread_end_handler(THREAD_T thread_id) /* {{{ */
754 {
755 zend_copy_ini_directives();
756 zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP);
757 }
758 /* }}} */
759 #endif
760
761 #if defined(__FreeBSD__) || defined(__DragonFly__)
762 /* FreeBSD and DragonFly floating point precision fix */
763 #include <floatingpoint.h>
764 #endif
765
ini_scanner_globals_ctor(zend_ini_scanner_globals * scanner_globals_p)766 static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p) /* {{{ */
767 {
768 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
769 }
770 /* }}} */
771
php_scanner_globals_ctor(zend_php_scanner_globals * scanner_globals_p)772 static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p) /* {{{ */
773 {
774 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
775 }
776 /* }}} */
777
module_destructor_zval(zval * zv)778 static void module_destructor_zval(zval *zv) /* {{{ */
779 {
780 zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);
781
782 module_destructor(module);
783 free(module);
784 }
785 /* }}} */
786
php_auto_globals_create_globals(zend_string * name)787 static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
788 {
789 zval globals;
790
791 /* IS_ARRAY, but with ref-counter 1 and not IS_TYPE_REFCOUNTED */
792 ZVAL_ARR(&globals, &EG(symbol_table));
793 Z_TYPE_FLAGS_P(&globals) = 0;
794 ZVAL_NEW_REF(&globals, &globals);
795 zend_hash_update(&EG(symbol_table), name, &globals);
796 return 0;
797 }
798 /* }}} */
799
zend_startup(zend_utility_functions * utility_functions)800 void zend_startup(zend_utility_functions *utility_functions) /* {{{ */
801 {
802 #ifdef ZTS
803 zend_compiler_globals *compiler_globals;
804 zend_executor_globals *executor_globals;
805 extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
806 extern ZEND_API ts_rsrc_id language_scanner_globals_id;
807 #else
808 extern zend_ini_scanner_globals ini_scanner_globals;
809 extern zend_php_scanner_globals language_scanner_globals;
810 #endif
811
812 zend_cpu_startup();
813
814 #ifdef ZEND_WIN32
815 php_win32_cp_set_by_id(65001);
816 #endif
817
818 start_memory_manager();
819
820 virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
821
822 #if defined(__FreeBSD__) || defined(__DragonFly__)
823 /* FreeBSD and DragonFly floating point precision fix */
824 fpsetmask(0);
825 #endif
826
827 zend_startup_strtod();
828 zend_startup_extensions_mechanism();
829
830 /* Set up utility functions and values */
831 zend_error_cb = utility_functions->error_function;
832 zend_printf = utility_functions->printf_function;
833 zend_write = utility_functions->write_function;
834 zend_fopen = utility_functions->fopen_function;
835 if (!zend_fopen) {
836 zend_fopen = zend_fopen_wrapper;
837 }
838 zend_stream_open_function = utility_functions->stream_open_function;
839 zend_message_dispatcher_p = utility_functions->message_handler;
840 zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
841 zend_ticks_function = utility_functions->ticks_function;
842 zend_on_timeout = utility_functions->on_timeout;
843 zend_printf_to_smart_string = utility_functions->printf_to_smart_string_function;
844 zend_printf_to_smart_str = utility_functions->printf_to_smart_str_function;
845 zend_getenv = utility_functions->getenv_function;
846 zend_resolve_path = utility_functions->resolve_path_function;
847
848 zend_interrupt_function = NULL;
849
850 #ifdef HAVE_DTRACE
851 /* build with dtrace support */
852 {
853 char *tmp = getenv("USE_ZEND_DTRACE");
854
855 if (tmp && zend_atoi(tmp, 0)) {
856 zend_dtrace_enabled = 1;
857 zend_compile_file = dtrace_compile_file;
858 zend_execute_ex = dtrace_execute_ex;
859 zend_execute_internal = dtrace_execute_internal;
860
861 zend_observer_error_register(dtrace_error_notify_cb);
862 } else {
863 zend_compile_file = compile_file;
864 zend_execute_ex = execute_ex;
865 zend_execute_internal = NULL;
866 }
867 }
868 #else
869 zend_compile_file = compile_file;
870 zend_execute_ex = execute_ex;
871 zend_execute_internal = NULL;
872 #endif /* HAVE_DTRACE */
873 zend_compile_string = compile_string;
874 zend_throw_exception_hook = NULL;
875
876 /* Set up the default garbage collection implementation. */
877 gc_collect_cycles = zend_gc_collect_cycles;
878
879 zend_vm_init();
880
881 /* set up version */
882 zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
883 zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
884
885 GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
886 GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
887 GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
888 GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
889
890 zend_hash_init(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
891 zend_hash_init(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1);
892 zend_hash_init(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1);
893 zend_hash_init(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1);
894
895 zend_hash_init(&module_registry, 32, NULL, module_destructor_zval, 1);
896 zend_init_rsrc_list_dtors();
897
898 #ifdef ZTS
899 ts_allocate_fast_id(&compiler_globals_id, &compiler_globals_offset, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
900 ts_allocate_fast_id(&executor_globals_id, &executor_globals_offset, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
901 ts_allocate_fast_id(&language_scanner_globals_id, &language_scanner_globals_offset, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
902 ts_allocate_fast_id(&ini_scanner_globals_id, &ini_scanner_globals_offset, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
903 compiler_globals = ts_resource(compiler_globals_id);
904 executor_globals = ts_resource(executor_globals_id);
905
906 compiler_globals_dtor(compiler_globals);
907 compiler_globals->in_compilation = 0;
908 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
909 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
910
911 *compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
912 *compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
913 compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
914
915 zend_hash_destroy(executor_globals->zend_constants);
916 *executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
917 #else
918 ini_scanner_globals_ctor(&ini_scanner_globals);
919 php_scanner_globals_ctor(&language_scanner_globals);
920 zend_set_default_compile_time_values();
921 #ifdef ZEND_WIN32
922 zend_get_windows_version_info(&EG(windows_version_info));
923 #endif
924 # if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
925 /* Create a map region, used for indirect pointers from shared to
926 * process memory. It's allocatred once and never resized.
927 * All processes must map it into the same address space.
928 */
929 CG(map_ptr_size) = 1024 * 1024; // TODO: initial size ???
930 CG(map_ptr_last) = 0;
931 ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), pemalloc(CG(map_ptr_size) * sizeof(void*), 1));
932 # elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
933 /* Map region is going to be created and resized at run-time. */
934 ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), NULL);
935 CG(map_ptr_size) = 0;
936 CG(map_ptr_last) = 0;
937 # else
938 # error "Unknown ZEND_MAP_PTR_KIND"
939 # endif
940 #endif
941 EG(error_reporting) = E_ALL & ~E_NOTICE;
942
943 zend_interned_strings_init();
944 zend_startup_builtin_functions();
945 zend_register_standard_constants();
946 zend_register_auto_global(zend_string_init_interned("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals);
947
948 #ifndef ZTS
949 zend_init_rsrc_plist();
950 zend_init_exception_op();
951 zend_init_call_trampoline_op();
952 #endif
953
954 zend_ini_startup();
955
956 #ifdef ZEND_WIN32
957 /* Uses INI settings, so needs to be run after it. */
958 php_win32_cp_setup();
959 #endif
960
961 #ifdef ZTS
962 tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
963 tsrm_set_shutdown_handler(zend_interned_strings_dtor);
964 #endif
965 }
966 /* }}} */
967
zend_register_standard_ini_entries(void)968 void zend_register_standard_ini_entries(void) /* {{{ */
969 {
970 int module_number = 0;
971
972 REGISTER_INI_ENTRIES();
973 }
974 /* }}} */
975
resolve_type_name(zend_string * type_name)976 static zend_class_entry *resolve_type_name(zend_string *type_name) {
977 zend_string *lc_type_name = zend_string_tolower(type_name);
978 zend_class_entry *ce = zend_hash_find_ptr(CG(class_table), lc_type_name);
979
980 ZEND_ASSERT(ce && ce->type == ZEND_INTERNAL_CLASS);
981 zend_string_release(lc_type_name);
982 return ce;
983 }
984
zend_resolve_property_types(void)985 static void zend_resolve_property_types(void) /* {{{ */
986 {
987 zend_class_entry *ce;
988 zend_property_info *prop_info;
989
990 ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
991 if (ce->type != ZEND_INTERNAL_CLASS) {
992 continue;
993 }
994
995 if (UNEXPECTED(ZEND_CLASS_HAS_TYPE_HINTS(ce))) {
996 ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
997 zend_type *single_type;
998 ZEND_TYPE_FOREACH(prop_info->type, single_type) {
999 if (ZEND_TYPE_HAS_NAME(*single_type)) {
1000 zend_string *type_name = ZEND_TYPE_NAME(*single_type);
1001 ZEND_TYPE_SET_CE(*single_type, resolve_type_name(type_name));
1002 zend_string_release(type_name);
1003 }
1004 } ZEND_TYPE_FOREACH_END();
1005 } ZEND_HASH_FOREACH_END();
1006 }
1007 ce->ce_flags |= ZEND_ACC_PROPERTY_TYPES_RESOLVED;
1008 } ZEND_HASH_FOREACH_END();
1009 }
1010 /* }}} */
1011
1012 /* Unlink the global (r/o) copies of the class, function and constant tables,
1013 * and use a fresh r/w copy for the startup thread
1014 */
zend_post_startup(void)1015 zend_result zend_post_startup(void) /* {{{ */
1016 {
1017 #ifdef ZTS
1018 zend_encoding **script_encoding_list;
1019
1020 zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
1021 zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
1022 #endif
1023
1024 zend_resolve_property_types();
1025
1026 if (zend_post_startup_cb) {
1027 zend_result (*cb)(void) = zend_post_startup_cb;
1028
1029 zend_post_startup_cb = NULL;
1030 if (cb() != SUCCESS) {
1031 return FAILURE;
1032 }
1033 }
1034
1035 #ifdef ZTS
1036 *GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
1037 *GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
1038 *GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
1039 global_map_ptr_last = compiler_globals->map_ptr_last;
1040
1041 short_tags_default = CG(short_tags);
1042 compiler_options_default = CG(compiler_options);
1043
1044 zend_destroy_rsrc_list(&EG(persistent_list));
1045 free(compiler_globals->function_table);
1046 compiler_globals->function_table = NULL;
1047 free(compiler_globals->class_table);
1048 compiler_globals->class_table = NULL;
1049 if (ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)) {
1050 free(ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base));
1051 }
1052 ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, NULL);
1053 if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
1054 compiler_globals_ctor(compiler_globals);
1055 compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
1056 } else {
1057 compiler_globals_ctor(compiler_globals);
1058 }
1059 free(EG(zend_constants));
1060 EG(zend_constants) = NULL;
1061
1062 executor_globals_ctor(executor_globals);
1063 global_persistent_list = &EG(persistent_list);
1064 zend_copy_ini_directives();
1065 #else
1066 global_map_ptr_last = CG(map_ptr_last);
1067 #endif
1068
1069 return SUCCESS;
1070 }
1071 /* }}} */
1072
zend_shutdown(void)1073 void zend_shutdown(void) /* {{{ */
1074 {
1075 zend_vm_dtor();
1076
1077 zend_destroy_rsrc_list(&EG(persistent_list));
1078 zend_destroy_modules();
1079
1080 virtual_cwd_deactivate();
1081 virtual_cwd_shutdown();
1082
1083 zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
1084 zend_hash_destroy(GLOBAL_CLASS_TABLE);
1085
1086 zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
1087 free(GLOBAL_AUTO_GLOBALS_TABLE);
1088
1089 zend_shutdown_extensions();
1090 free(zend_version_info);
1091
1092 free(GLOBAL_FUNCTION_TABLE);
1093 free(GLOBAL_CLASS_TABLE);
1094
1095 zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
1096 free(GLOBAL_CONSTANTS_TABLE);
1097 zend_shutdown_strtod();
1098 zend_attributes_shutdown();
1099
1100 #ifdef ZTS
1101 GLOBAL_FUNCTION_TABLE = NULL;
1102 GLOBAL_CLASS_TABLE = NULL;
1103 GLOBAL_AUTO_GLOBALS_TABLE = NULL;
1104 GLOBAL_CONSTANTS_TABLE = NULL;
1105 ts_free_id(executor_globals_id);
1106 ts_free_id(compiler_globals_id);
1107 #else
1108 if (ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base))) {
1109 free(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)));
1110 ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), NULL);
1111 CG(map_ptr_size) = 0;
1112 }
1113 if (CG(script_encoding_list)) {
1114 free(ZEND_VOIDP(CG(script_encoding_list)));
1115 CG(script_encoding_list) = NULL;
1116 CG(script_encoding_list_size) = 0;
1117 }
1118 #endif
1119 zend_destroy_rsrc_list_dtors();
1120 }
1121 /* }}} */
1122
zend_set_utility_values(zend_utility_values * utility_values)1123 void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
1124 {
1125 zend_uv = *utility_values;
1126 }
1127 /* }}} */
1128
1129 /* this should be compatible with the standard zenderror */
zenderror(const char * error)1130 ZEND_COLD void zenderror(const char *error) /* {{{ */
1131 {
1132 CG(parse_error) = 0;
1133
1134 if (EG(exception)) {
1135 /* An exception was thrown in the lexer, don't throw another in the parser. */
1136 return;
1137 }
1138
1139 zend_throw_exception(zend_ce_parse_error, error, 0);
1140 }
1141 /* }}} */
1142
BEGIN_EXTERN_C()1143 BEGIN_EXTERN_C()
1144 ZEND_API ZEND_COLD ZEND_NORETURN void _zend_bailout(const char *filename, uint32_t lineno) /* {{{ */
1145 {
1146
1147 if (!EG(bailout)) {
1148 zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
1149 exit(-1);
1150 }
1151 gc_protect(1);
1152 CG(unclean_shutdown) = 1;
1153 CG(active_class_entry) = NULL;
1154 CG(in_compilation) = 0;
1155 EG(current_execute_data) = NULL;
1156 LONGJMP(*EG(bailout), FAILURE);
1157 }
1158 /* }}} */
END_EXTERN_C()1159 END_EXTERN_C()
1160
1161 ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
1162 {
1163 char *new_info;
1164 uint32_t new_info_length;
1165
1166 new_info_length = (uint32_t)(sizeof(" with v, , by \n")
1167 + strlen(extension->name)
1168 + strlen(extension->version)
1169 + strlen(extension->copyright)
1170 + strlen(extension->author));
1171
1172 new_info = (char *) malloc(new_info_length + 1);
1173
1174 snprintf(new_info, new_info_length, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
1175
1176 zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
1177 strncat(zend_version_info, new_info, new_info_length);
1178 zend_version_info_length += new_info_length;
1179 free(new_info);
1180 }
1181 /* }}} */
1182
get_zend_version(void)1183 ZEND_API const char *get_zend_version(void) /* {{{ */
1184 {
1185 return zend_version_info;
1186 }
1187 /* }}} */
1188
zend_activate(void)1189 ZEND_API void zend_activate(void) /* {{{ */
1190 {
1191 #ifdef ZTS
1192 virtual_cwd_activate();
1193 #endif
1194 gc_reset();
1195 init_compiler();
1196 init_executor();
1197 startup_scanner();
1198 if (CG(map_ptr_last)) {
1199 memset(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), 0, CG(map_ptr_last) * sizeof(void*));
1200 }
1201 zend_observer_activate();
1202 }
1203 /* }}} */
1204
zend_call_destructors(void)1205 void zend_call_destructors(void) /* {{{ */
1206 {
1207 zend_try {
1208 shutdown_destructors();
1209 } zend_end_try();
1210 }
1211 /* }}} */
1212
zend_deactivate(void)1213 ZEND_API void zend_deactivate(void) /* {{{ */
1214 {
1215 /* we're no longer executing anything */
1216 EG(current_execute_data) = NULL;
1217
1218 zend_observer_deactivate();
1219
1220 zend_try {
1221 shutdown_scanner();
1222 } zend_end_try();
1223
1224 /* shutdown_executor() takes care of its own bailout handling */
1225 shutdown_executor();
1226
1227 zend_try {
1228 zend_ini_deactivate();
1229 } zend_end_try();
1230
1231 zend_try {
1232 shutdown_compiler();
1233 } zend_end_try();
1234
1235 zend_destroy_rsrc_list(&EG(regular_list));
1236
1237 #if GC_BENCH
1238 fprintf(stderr, "GC Statistics\n");
1239 fprintf(stderr, "-------------\n");
1240 fprintf(stderr, "Runs: %d\n", GC_G(gc_runs));
1241 fprintf(stderr, "Collected: %d\n", GC_G(collected));
1242 fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
1243 fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak));
1244 fprintf(stderr, " Possible Remove from Marked\n");
1245 fprintf(stderr, " Root Buffered buffer grey\n");
1246 fprintf(stderr, " -------- -------- ----------- ------\n");
1247 fprintf(stderr, "ZVAL %8d %8d %9d %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey));
1248 #endif
1249 }
1250 /* }}} */
1251
BEGIN_EXTERN_C()1252 BEGIN_EXTERN_C()
1253 ZEND_API void zend_message_dispatcher(zend_long message, const void *data) /* {{{ */
1254 {
1255 if (zend_message_dispatcher_p) {
1256 zend_message_dispatcher_p(message, data);
1257 }
1258 }
1259 /* }}} */
END_EXTERN_C()1260 END_EXTERN_C()
1261
1262 ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
1263 {
1264 if (zend_get_configuration_directive_p) {
1265 return zend_get_configuration_directive_p(name);
1266 } else {
1267 return NULL;
1268 }
1269 }
1270 /* }}} */
1271
1272 #define SAVE_STACK(stack) do { \
1273 if (CG(stack).top) { \
1274 memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
1275 CG(stack).top = CG(stack).max = 0; \
1276 CG(stack).elements = NULL; \
1277 } else { \
1278 stack.top = 0; \
1279 } \
1280 } while (0)
1281
1282 #define RESTORE_STACK(stack) do { \
1283 if (stack.top) { \
1284 zend_stack_destroy(&CG(stack)); \
1285 memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
1286 } \
1287 } while (0)
1288
zend_error_impl(int orig_type,const char * error_filename,uint32_t error_lineno,zend_string * message)1289 static ZEND_COLD void zend_error_impl(
1290 int orig_type, const char *error_filename, uint32_t error_lineno, zend_string *message)
1291 {
1292 zval params[4];
1293 zval retval;
1294 zval orig_user_error_handler;
1295 zend_bool in_compilation;
1296 zend_class_entry *saved_class_entry;
1297 zend_stack loop_var_stack;
1298 zend_stack delayed_oplines_stack;
1299 int type = orig_type & E_ALL;
1300
1301 /* Report about uncaught exception in case of fatal errors */
1302 if (EG(exception)) {
1303 zend_execute_data *ex;
1304 const zend_op *opline;
1305
1306 if (type & E_FATAL_ERRORS) {
1307 ex = EG(current_execute_data);
1308 opline = NULL;
1309 while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
1310 ex = ex->prev_execute_data;
1311 }
1312 if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION &&
1313 EG(opline_before_exception)) {
1314 opline = EG(opline_before_exception);
1315 }
1316 zend_exception_error(EG(exception), E_WARNING);
1317 EG(exception) = NULL;
1318 if (opline) {
1319 ex->opline = opline;
1320 }
1321 }
1322 }
1323
1324 zend_observer_error_notify(type, error_filename, error_lineno, message);
1325
1326 /* if we don't have a user defined error handler */
1327 if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF
1328 || !(EG(user_error_handler_error_reporting) & type)
1329 || EG(error_handling) != EH_NORMAL) {
1330 zend_error_cb(orig_type, error_filename, error_lineno, message);
1331 } else switch (type) {
1332 case E_ERROR:
1333 case E_PARSE:
1334 case E_CORE_ERROR:
1335 case E_CORE_WARNING:
1336 case E_COMPILE_ERROR:
1337 case E_COMPILE_WARNING:
1338 /* The error may not be safe to handle in user-space */
1339 zend_error_cb(orig_type, error_filename, error_lineno, message);
1340 break;
1341 default:
1342 /* Handle the error in user space */
1343 ZVAL_STR_COPY(¶ms[1], message);
1344 ZVAL_LONG(¶ms[0], type);
1345
1346 if (error_filename) {
1347 ZVAL_STRING(¶ms[2], error_filename);
1348 } else {
1349 ZVAL_NULL(¶ms[2]);
1350 }
1351
1352 ZVAL_LONG(¶ms[3], error_lineno);
1353
1354 ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler));
1355 ZVAL_UNDEF(&EG(user_error_handler));
1356
1357 /* User error handler may include() additinal PHP files.
1358 * If an error was generated during comilation PHP will compile
1359 * such scripts recursively, but some CG() variables may be
1360 * inconsistent. */
1361
1362 in_compilation = CG(in_compilation);
1363 if (in_compilation) {
1364 saved_class_entry = CG(active_class_entry);
1365 CG(active_class_entry) = NULL;
1366 SAVE_STACK(loop_var_stack);
1367 SAVE_STACK(delayed_oplines_stack);
1368 CG(in_compilation) = 0;
1369 }
1370
1371 if (call_user_function(CG(function_table), NULL, &orig_user_error_handler, &retval, 4, params) == SUCCESS) {
1372 if (Z_TYPE(retval) != IS_UNDEF) {
1373 if (Z_TYPE(retval) == IS_FALSE) {
1374 zend_error_cb(orig_type, error_filename, error_lineno, message);
1375 }
1376 zval_ptr_dtor(&retval);
1377 }
1378 } else if (!EG(exception)) {
1379 /* The user error handler failed, use built-in error handler */
1380 zend_error_cb(orig_type, error_filename, error_lineno, message);
1381 }
1382
1383 if (in_compilation) {
1384 CG(active_class_entry) = saved_class_entry;
1385 RESTORE_STACK(loop_var_stack);
1386 RESTORE_STACK(delayed_oplines_stack);
1387 CG(in_compilation) = 1;
1388 }
1389
1390 zval_ptr_dtor(¶ms[2]);
1391 zval_ptr_dtor(¶ms[1]);
1392
1393 if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) {
1394 ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler);
1395 } else {
1396 zval_ptr_dtor(&orig_user_error_handler);
1397 }
1398 break;
1399 }
1400
1401 if (type == E_PARSE) {
1402 /* eval() errors do not affect exit_status */
1403 if (!(EG(current_execute_data) &&
1404 EG(current_execute_data)->func &&
1405 ZEND_USER_CODE(EG(current_execute_data)->func->type) &&
1406 EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
1407 EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
1408 EG(exit_status) = 255;
1409 }
1410 }
1411 }
1412 /* }}} */
1413
zend_error_va_list(int orig_type,const char * error_filename,uint32_t error_lineno,const char * format,va_list args)1414 static ZEND_COLD void zend_error_va_list(
1415 int orig_type, const char *error_filename, uint32_t error_lineno,
1416 const char *format, va_list args)
1417 {
1418 zend_string *message = zend_vstrpprintf(0, format, args);
1419 zend_error_impl(orig_type, error_filename, error_lineno, message);
1420 zend_string_release(message);
1421 }
1422
get_filename_lineno(int type,const char ** filename,uint32_t * lineno)1423 static ZEND_COLD void get_filename_lineno(int type, const char **filename, uint32_t *lineno) {
1424 /* Obtain relevant filename and lineno */
1425 switch (type) {
1426 case E_CORE_ERROR:
1427 case E_CORE_WARNING:
1428 *filename = NULL;
1429 *lineno = 0;
1430 break;
1431 case E_PARSE:
1432 case E_COMPILE_ERROR:
1433 case E_COMPILE_WARNING:
1434 case E_ERROR:
1435 case E_NOTICE:
1436 case E_STRICT:
1437 case E_DEPRECATED:
1438 case E_WARNING:
1439 case E_USER_ERROR:
1440 case E_USER_WARNING:
1441 case E_USER_NOTICE:
1442 case E_USER_DEPRECATED:
1443 case E_RECOVERABLE_ERROR:
1444 if (zend_is_compiling()) {
1445 *filename = ZSTR_VAL(zend_get_compiled_filename());
1446 *lineno = zend_get_compiled_lineno();
1447 } else if (zend_is_executing()) {
1448 *filename = zend_get_executed_filename();
1449 if ((*filename)[0] == '[') { /* [no active file] */
1450 *filename = NULL;
1451 *lineno = 0;
1452 } else {
1453 *lineno = zend_get_executed_lineno();
1454 }
1455 } else {
1456 *filename = NULL;
1457 *lineno = 0;
1458 }
1459 break;
1460 default:
1461 *filename = NULL;
1462 *lineno = 0;
1463 break;
1464 }
1465 if (!*filename) {
1466 *filename = "Unknown";
1467 }
1468 }
1469
zend_error_at(int type,const char * filename,uint32_t lineno,const char * format,...)1470 ZEND_API ZEND_COLD void zend_error_at(
1471 int type, const char *filename, uint32_t lineno, const char *format, ...) {
1472 va_list args;
1473
1474 if (!filename) {
1475 uint32_t dummy_lineno;
1476 get_filename_lineno(type, &filename, &dummy_lineno);
1477 }
1478
1479 va_start(args, format);
1480 zend_error_va_list(type, filename, lineno, format, args);
1481 va_end(args);
1482 }
1483
zend_error(int type,const char * format,...)1484 ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) {
1485 const char *filename;
1486 uint32_t lineno;
1487 va_list args;
1488
1489 get_filename_lineno(type, &filename, &lineno);
1490 va_start(args, format);
1491 zend_error_va_list(type, filename, lineno, format, args);
1492 va_end(args);
1493 }
1494
zend_error_at_noreturn(int type,const char * filename,uint32_t lineno,const char * format,...)1495 ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_at_noreturn(
1496 int type, const char *filename, uint32_t lineno, const char *format, ...)
1497 {
1498 va_list args;
1499
1500 if (!filename) {
1501 uint32_t dummy_lineno;
1502 get_filename_lineno(type, &filename, &dummy_lineno);
1503 }
1504
1505 va_start(args, format);
1506 zend_error_va_list(type, filename, lineno, format, args);
1507 va_end(args);
1508 /* Should never reach this. */
1509 abort();
1510 }
1511
zend_error_noreturn(int type,const char * format,...)1512 ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...)
1513 {
1514 const char *filename;
1515 uint32_t lineno;
1516 va_list args;
1517
1518 get_filename_lineno(type, &filename, &lineno);
1519 va_start(args, format);
1520 zend_error_va_list(type, filename, lineno, format, args);
1521 va_end(args);
1522 /* Should never reach this. */
1523 abort();
1524 }
1525
zend_error_zstr(int type,zend_string * message)1526 ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message) {
1527 const char *filename;
1528 uint32_t lineno;
1529 get_filename_lineno(type, &filename, &lineno);
1530 zend_error_impl(type, filename, lineno, message);
1531 }
1532
zend_throw_error(zend_class_entry * exception_ce,const char * format,...)1533 ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */
1534 {
1535 va_list va;
1536 char *message = NULL;
1537
1538 if (!exception_ce) {
1539 exception_ce = zend_ce_error;
1540 }
1541
1542 /* Marker used to disable exception generation during preloading. */
1543 if (EG(exception) == (void*)(uintptr_t)-1) {
1544 return;
1545 }
1546
1547 va_start(va, format);
1548 zend_vspprintf(&message, 0, format, va);
1549
1550 //TODO: we can't convert compile-time errors to exceptions yet???
1551 if (EG(current_execute_data) && !CG(in_compilation)) {
1552 zend_throw_exception(exception_ce, message, 0);
1553 } else {
1554 zend_error(E_ERROR, "%s", message);
1555 }
1556
1557 efree(message);
1558 va_end(va);
1559 }
1560 /* }}} */
1561
zend_type_error(const char * format,...)1562 ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) /* {{{ */
1563 {
1564 va_list va;
1565 char *message = NULL;
1566
1567 va_start(va, format);
1568 zend_vspprintf(&message, 0, format, va);
1569 zend_throw_exception(zend_ce_type_error, message, 0);
1570 efree(message);
1571 va_end(va);
1572 } /* }}} */
1573
zend_argument_count_error(const char * format,...)1574 ZEND_API ZEND_COLD void zend_argument_count_error(const char *format, ...) /* {{{ */
1575 {
1576 va_list va;
1577 char *message = NULL;
1578
1579 va_start(va, format);
1580 zend_vspprintf(&message, 0, format, va);
1581 zend_throw_exception(zend_ce_argument_count_error, message, 0);
1582 efree(message);
1583
1584 va_end(va);
1585 } /* }}} */
1586
zend_value_error(const char * format,...)1587 ZEND_API ZEND_COLD void zend_value_error(const char *format, ...) /* {{{ */
1588 {
1589 va_list va;
1590 char *message = NULL;
1591
1592 va_start(va, format);
1593 zend_vspprintf(&message, 0, format, va);
1594 zend_throw_exception(zend_ce_value_error, message, 0);
1595 efree(message);
1596 va_end(va);
1597 } /* }}} */
1598
zend_output_debug_string(zend_bool trigger_break,const char * format,...)1599 ZEND_API ZEND_COLD void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
1600 {
1601 #if ZEND_DEBUG
1602 va_list args;
1603
1604 va_start(args, format);
1605 # ifdef ZEND_WIN32
1606 {
1607 char output_buf[1024];
1608
1609 vsnprintf(output_buf, 1024, format, args);
1610 OutputDebugString(output_buf);
1611 OutputDebugString("\n");
1612 if (trigger_break && IsDebuggerPresent()) {
1613 DebugBreak();
1614 }
1615 }
1616 # else
1617 vfprintf(stderr, format, args);
1618 fprintf(stderr, "\n");
1619 # endif
1620 va_end(args);
1621 #endif
1622 }
1623 /* }}} */
1624
zend_user_exception_handler(void)1625 ZEND_API ZEND_COLD void zend_user_exception_handler(void) /* {{{ */
1626 {
1627 zval orig_user_exception_handler;
1628 zval params[1], retval2;
1629 zend_object *old_exception;
1630
1631 if (zend_is_unwind_exit(EG(exception))) {
1632 return;
1633 }
1634
1635 old_exception = EG(exception);
1636 EG(exception) = NULL;
1637 ZVAL_OBJ(¶ms[0], old_exception);
1638 ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler));
1639
1640 if (call_user_function(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params) == SUCCESS) {
1641 zval_ptr_dtor(&retval2);
1642 if (EG(exception)) {
1643 OBJ_RELEASE(EG(exception));
1644 EG(exception) = NULL;
1645 }
1646 OBJ_RELEASE(old_exception);
1647 } else {
1648 EG(exception) = old_exception;
1649 }
1650 } /* }}} */
1651
zend_execute_scripts(int type,zval * retval,int file_count,...)1652 ZEND_API zend_result zend_execute_scripts(int type, zval *retval, int file_count, ...) /* {{{ */
1653 {
1654 va_list files;
1655 int i;
1656 zend_file_handle *file_handle;
1657 zend_op_array *op_array;
1658 zend_result ret = SUCCESS;
1659
1660 va_start(files, file_count);
1661 for (i = 0; i < file_count; i++) {
1662 file_handle = va_arg(files, zend_file_handle *);
1663 if (!file_handle) {
1664 continue;
1665 }
1666
1667 if (ret == FAILURE) {
1668 /* If a failure occurred in one of the earlier files,
1669 * only destroy the following file handles. */
1670 zend_file_handle_dtor(file_handle);
1671 continue;
1672 }
1673
1674 op_array = zend_compile_file(file_handle, type);
1675 if (file_handle->opened_path) {
1676 zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path);
1677 }
1678 zend_destroy_file_handle(file_handle);
1679 if (op_array) {
1680 zend_execute(op_array, retval);
1681 zend_exception_restore();
1682 if (UNEXPECTED(EG(exception))) {
1683 if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
1684 zend_user_exception_handler();
1685 }
1686 if (EG(exception)) {
1687 ret = zend_exception_error(EG(exception), E_ERROR);
1688 }
1689 }
1690 destroy_op_array(op_array);
1691 efree_size(op_array, sizeof(zend_op_array));
1692 } else if (type==ZEND_REQUIRE) {
1693 ret = FAILURE;
1694 }
1695 }
1696 va_end(files);
1697
1698 return ret;
1699 }
1700 /* }}} */
1701
1702 #define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
1703
zend_make_compiled_string_description(const char * name)1704 ZEND_API char *zend_make_compiled_string_description(const char *name) /* {{{ */
1705 {
1706 const char *cur_filename;
1707 int cur_lineno;
1708 char *compiled_string_description;
1709
1710 if (zend_is_compiling()) {
1711 cur_filename = ZSTR_VAL(zend_get_compiled_filename());
1712 cur_lineno = zend_get_compiled_lineno();
1713 } else if (zend_is_executing()) {
1714 cur_filename = zend_get_executed_filename();
1715 cur_lineno = zend_get_executed_lineno();
1716 } else {
1717 cur_filename = "Unknown";
1718 cur_lineno = 0;
1719 }
1720
1721 zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
1722 return compiled_string_description;
1723 }
1724 /* }}} */
1725
free_estring(char ** str_p)1726 void free_estring(char **str_p) /* {{{ */
1727 {
1728 efree(*str_p);
1729 }
1730 /* }}} */
1731
zend_map_ptr_reset(void)1732 ZEND_API void zend_map_ptr_reset(void)
1733 {
1734 CG(map_ptr_last) = global_map_ptr_last;
1735 }
1736
zend_map_ptr_new(void)1737 ZEND_API void *zend_map_ptr_new(void)
1738 {
1739 void **ptr;
1740
1741 if (CG(map_ptr_last) >= CG(map_ptr_size)) {
1742 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1743 // TODO: error ???
1744 ZEND_UNREACHABLE();
1745 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1746 /* Grow map_ptr table */
1747 CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(CG(map_ptr_last) + 1, 4096);
1748 ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), perealloc(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), CG(map_ptr_size) * sizeof(void*), 1));
1749 #else
1750 # error "Unknown ZEND_MAP_PTR_KIND"
1751 #endif
1752 }
1753 ptr = (void**)ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)) + CG(map_ptr_last);
1754 *ptr = NULL;
1755 CG(map_ptr_last)++;
1756 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1757 return ptr;
1758 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1759 return ZEND_MAP_PTR_PTR2OFFSET(ptr);
1760 #else
1761 # error "Unknown ZEND_MAP_PTR_KIND"
1762 #endif
1763 }
1764
zend_map_ptr_extend(size_t last)1765 ZEND_API void zend_map_ptr_extend(size_t last)
1766 {
1767 if (last > CG(map_ptr_last)) {
1768 void **ptr;
1769
1770 if (last >= CG(map_ptr_size)) {
1771 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1772 /* This may never happen */
1773 ZEND_UNREACHABLE();
1774 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1775 /* Grow map_ptr table */
1776 CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(last, 4096);
1777 ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), perealloc(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), CG(map_ptr_size) * sizeof(void*), 1));
1778 #else
1779 # error "Unknown ZEND_MAP_PTR_KIND"
1780 #endif
1781 }
1782 ptr = (void**)ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)) + CG(map_ptr_last);
1783 memset(ptr, 0, (last - CG(map_ptr_last)) * sizeof(void*));
1784 CG(map_ptr_last) = last;
1785 }
1786 }
1787