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 #include "zend_fibers.h"
38 #include "Optimizer/zend_optimizer.h"
39
40 static size_t global_map_ptr_last = 0;
41 static bool startup_done = false;
42
43 #ifdef ZTS
44 ZEND_API int compiler_globals_id;
45 ZEND_API int executor_globals_id;
46 ZEND_API size_t compiler_globals_offset;
47 ZEND_API size_t executor_globals_offset;
48 static HashTable *global_function_table = NULL;
49 static HashTable *global_class_table = NULL;
50 static HashTable *global_constants_table = NULL;
51 static HashTable *global_auto_globals_table = NULL;
52 static HashTable *global_persistent_list = NULL;
53 TSRMLS_MAIN_CACHE_DEFINE()
54 # define GLOBAL_FUNCTION_TABLE global_function_table
55 # define GLOBAL_CLASS_TABLE global_class_table
56 # define GLOBAL_CONSTANTS_TABLE global_constants_table
57 # define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table
58 #else
59 # define GLOBAL_FUNCTION_TABLE CG(function_table)
60 # define GLOBAL_CLASS_TABLE CG(class_table)
61 # define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals)
62 # define GLOBAL_CONSTANTS_TABLE EG(zend_constants)
63 #endif
64
65 ZEND_API zend_utility_values zend_uv;
66 ZEND_API bool zend_dtrace_enabled;
67
68 /* version information */
69 static char *zend_version_info;
70 static uint32_t zend_version_info_length;
71 #define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) Zend Technologies\n"
72 #define PRINT_ZVAL_INDENT 4
73
74 /* true multithread-shared globals */
75 ZEND_API zend_class_entry *zend_standard_class_def = NULL;
76 ZEND_API size_t (*zend_printf)(const char *format, ...);
77 ZEND_API zend_write_func_t zend_write;
78 ZEND_API FILE *(*zend_fopen)(zend_string *filename, zend_string **opened_path);
79 ZEND_API zend_result (*zend_stream_open_function)(zend_file_handle *handle);
80 ZEND_API void (*zend_ticks_function)(int ticks);
81 ZEND_API void (*zend_interrupt_function)(zend_execute_data *execute_data);
82 ZEND_API void (*zend_error_cb)(int type, zend_string *error_filename, const uint32_t error_lineno, zend_string *message);
83 void (*zend_printf_to_smart_string)(smart_string *buf, const char *format, va_list ap);
84 void (*zend_printf_to_smart_str)(smart_str *buf, const char *format, va_list ap);
85 ZEND_API char *(*zend_getenv)(const char *name, size_t name_len);
86 ZEND_API zend_string *(*zend_resolve_path)(zend_string *filename);
87 ZEND_API zend_result (*zend_post_startup_cb)(void) = NULL;
88 ZEND_API void (*zend_post_shutdown_cb)(void) = NULL;
89
90 /* This callback must be signal handler safe! */
91 void (*zend_on_timeout)(int seconds);
92
93 static void (*zend_message_dispatcher_p)(zend_long message, const void *data);
94 static zval *(*zend_get_configuration_directive_p)(zend_string *name);
95
96 #if ZEND_RC_DEBUG
97 ZEND_API bool zend_rc_debug = 0;
98 #endif
99
ZEND_INI_MH(OnUpdateErrorReporting)100 static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
101 {
102 if (!new_value) {
103 EG(error_reporting) = E_ALL;
104 } else {
105 EG(error_reporting) = atoi(ZSTR_VAL(new_value));
106 }
107 return SUCCESS;
108 }
109 /* }}} */
110
ZEND_INI_MH(OnUpdateGCEnabled)111 static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
112 {
113 bool val;
114
115 val = zend_ini_parse_bool(new_value);
116 gc_enable(val);
117
118 return SUCCESS;
119 }
120 /* }}} */
121
ZEND_INI_DISP(zend_gc_enabled_displayer_cb)122 static ZEND_INI_DISP(zend_gc_enabled_displayer_cb) /* {{{ */
123 {
124 if (gc_enabled()) {
125 ZEND_PUTS("On");
126 } else {
127 ZEND_PUTS("Off");
128 }
129 }
130 /* }}} */
131
132
ZEND_INI_MH(OnUpdateScriptEncoding)133 static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
134 {
135 if (!CG(multibyte)) {
136 return FAILURE;
137 }
138 if (!zend_multibyte_get_functions()) {
139 return SUCCESS;
140 }
141 return zend_multibyte_set_script_encoding_by_string(new_value ? ZSTR_VAL(new_value) : NULL, new_value ? ZSTR_LEN(new_value) : 0);
142 }
143 /* }}} */
144
ZEND_INI_MH(OnUpdateAssertions)145 static ZEND_INI_MH(OnUpdateAssertions) /* {{{ */
146 {
147 zend_long *p = (zend_long *) ZEND_INI_GET_ADDR();
148
149 zend_long val = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
150
151 if (stage != ZEND_INI_STAGE_STARTUP &&
152 stage != ZEND_INI_STAGE_SHUTDOWN &&
153 *p != val &&
154 (*p < 0 || val < 0)) {
155 zend_error(E_WARNING, "zend.assertions may be completely enabled or disabled only in php.ini");
156 return FAILURE;
157 }
158
159 *p = val;
160 return SUCCESS;
161 }
162 /* }}} */
163
ZEND_INI_MH(OnSetExceptionStringParamMaxLen)164 static ZEND_INI_MH(OnSetExceptionStringParamMaxLen) /* {{{ */
165 {
166 zend_long i = ZEND_ATOL(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
ZEND_INI_MH(OnUpdateFiberStackSize)176 static ZEND_INI_MH(OnUpdateFiberStackSize) /* {{{ */
177 {
178 if (new_value) {
179 EG(fiber_stack_size) = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
180 } else {
181 EG(fiber_stack_size) = ZEND_FIBER_DEFAULT_C_STACK_SIZE;
182 }
183 return SUCCESS;
184 }
185 /* }}} */
186
187 #if ZEND_DEBUG
188 # define SIGNAL_CHECK_DEFAULT "1"
189 #else
190 # define SIGNAL_CHECK_DEFAULT "0"
191 #endif
192
193 ZEND_INI_BEGIN()
194 ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting)
195 STD_ZEND_INI_ENTRY("zend.assertions", "1", ZEND_INI_ALL, OnUpdateAssertions, assertions, zend_executor_globals, executor_globals)
196 ZEND_INI_ENTRY3_EX("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, NULL, NULL, NULL, zend_gc_enabled_displayer_cb)
197 STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte, zend_compiler_globals, compiler_globals)
198 ZEND_INI_ENTRY("zend.script_encoding", NULL, ZEND_INI_ALL, OnUpdateScriptEncoding)
199 STD_ZEND_INI_BOOLEAN("zend.detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
200 #ifdef ZEND_SIGNALS
201 STD_ZEND_INI_BOOLEAN("zend.signal_check", SIGNAL_CHECK_DEFAULT, ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
202 #endif
203 STD_ZEND_INI_BOOLEAN("zend.exception_ignore_args", "0", ZEND_INI_ALL, OnUpdateBool, exception_ignore_args, zend_executor_globals, executor_globals)
204 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)
205 STD_ZEND_INI_ENTRY("fiber.stack_size", NULL, ZEND_INI_ALL, OnUpdateFiberStackSize, fiber_stack_size, zend_executor_globals, executor_globals)
206
ZEND_INI_END()207 ZEND_INI_END()
208
209 ZEND_API size_t zend_vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap) /* {{{ */
210 {
211 smart_string buf = {0};
212
213 /* since there are places where (v)spprintf called without checking for null,
214 a bit of defensive coding here */
215 if (!pbuf) {
216 return 0;
217 }
218
219 zend_printf_to_smart_string(&buf, format, ap);
220
221 if (max_len && buf.len > max_len) {
222 buf.len = max_len;
223 }
224
225 smart_string_0(&buf);
226
227 if (buf.c) {
228 *pbuf = buf.c;
229 return buf.len;
230 } else {
231 *pbuf = estrndup("", 0);
232 return 0;
233 }
234 }
235 /* }}} */
236
zend_spprintf(char ** message,size_t max_len,const char * format,...)237 ZEND_API size_t zend_spprintf(char **message, size_t max_len, const char *format, ...) /* {{{ */
238 {
239 va_list arg;
240 size_t len;
241
242 va_start(arg, format);
243 len = zend_vspprintf(message, max_len, format, arg);
244 va_end(arg);
245 return len;
246 }
247 /* }}} */
248
zend_spprintf_unchecked(char ** message,size_t max_len,const char * format,...)249 ZEND_API size_t zend_spprintf_unchecked(char **message, size_t max_len, const char *format, ...) /* {{{ */
250 {
251 va_list arg;
252 size_t len;
253
254 va_start(arg, format);
255 len = zend_vspprintf(message, max_len, format, arg);
256 va_end(arg);
257 return len;
258 }
259 /* }}} */
260
zend_vstrpprintf(size_t max_len,const char * format,va_list ap)261 ZEND_API zend_string *zend_vstrpprintf(size_t max_len, const char *format, va_list ap) /* {{{ */
262 {
263 smart_str buf = {0};
264
265 zend_printf_to_smart_str(&buf, format, ap);
266
267 if (!buf.s) {
268 return ZSTR_EMPTY_ALLOC();
269 }
270
271 if (max_len && ZSTR_LEN(buf.s) > max_len) {
272 ZSTR_LEN(buf.s) = max_len;
273 }
274
275 smart_str_0(&buf);
276 return buf.s;
277 }
278 /* }}} */
279
zend_strpprintf(size_t max_len,const char * format,...)280 ZEND_API zend_string *zend_strpprintf(size_t max_len, const char *format, ...) /* {{{ */
281 {
282 va_list arg;
283 zend_string *str;
284
285 va_start(arg, format);
286 str = zend_vstrpprintf(max_len, format, arg);
287 va_end(arg);
288 return str;
289 }
290 /* }}} */
291
zend_strpprintf_unchecked(size_t max_len,const char * format,...)292 ZEND_API zend_string *zend_strpprintf_unchecked(size_t max_len, const char *format, ...) /* {{{ */
293 {
294 va_list arg;
295 zend_string *str;
296
297 va_start(arg, format);
298 str = zend_vstrpprintf(max_len, format, arg);
299 va_end(arg);
300 return str;
301 }
302 /* }}} */
303
304 static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent);
305
print_hash(smart_str * buf,HashTable * ht,int indent,bool is_object)306 static void print_hash(smart_str *buf, HashTable *ht, int indent, bool is_object) /* {{{ */
307 {
308 zval *tmp;
309 zend_string *string_key;
310 zend_ulong num_key;
311 int i;
312
313 for (i = 0; i < indent; i++) {
314 smart_str_appendc(buf, ' ');
315 }
316 smart_str_appends(buf, "(\n");
317 indent += PRINT_ZVAL_INDENT;
318 ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
319 for (i = 0; i < indent; i++) {
320 smart_str_appendc(buf, ' ');
321 }
322 smart_str_appendc(buf, '[');
323 if (string_key) {
324 if (is_object) {
325 const char *prop_name, *class_name;
326 size_t prop_len;
327 int mangled = zend_unmangle_property_name_ex(string_key, &class_name, &prop_name, &prop_len);
328
329 smart_str_appendl(buf, prop_name, prop_len);
330 if (class_name && mangled == SUCCESS) {
331 if (class_name[0] == '*') {
332 smart_str_appends(buf, ":protected");
333 } else {
334 smart_str_appends(buf, ":");
335 smart_str_appends(buf, class_name);
336 smart_str_appends(buf, ":private");
337 }
338 }
339 } else {
340 smart_str_append(buf, string_key);
341 }
342 } else {
343 smart_str_append_long(buf, num_key);
344 }
345 smart_str_appends(buf, "] => ");
346 zend_print_zval_r_to_buf(buf, tmp, indent+PRINT_ZVAL_INDENT);
347 smart_str_appends(buf, "\n");
348 } ZEND_HASH_FOREACH_END();
349 indent -= PRINT_ZVAL_INDENT;
350 for (i = 0; i < indent; i++) {
351 smart_str_appendc(buf, ' ');
352 }
353 smart_str_appends(buf, ")\n");
354 }
355 /* }}} */
356
print_flat_hash(smart_str * buf,HashTable * ht)357 static void print_flat_hash(smart_str *buf, HashTable *ht) /* {{{ */
358 {
359 zval *tmp;
360 zend_string *string_key;
361 zend_ulong num_key;
362 int i = 0;
363
364 ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
365 if (i++ > 0) {
366 smart_str_appendc(buf, ',');
367 }
368 smart_str_appendc(buf, '[');
369 if (string_key) {
370 smart_str_append(buf, string_key);
371 } else {
372 smart_str_append_unsigned(buf, num_key);
373 }
374 smart_str_appends(buf, "] => ");
375 zend_print_flat_zval_r_to_buf(buf, tmp);
376 } ZEND_HASH_FOREACH_END();
377 }
378 /* }}} */
379
zend_make_printable_zval(zval * expr,zval * expr_copy)380 ZEND_API bool zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */
381 {
382 if (Z_TYPE_P(expr) == IS_STRING) {
383 return 0;
384 } else {
385 ZVAL_STR(expr_copy, zval_get_string_func(expr));
386 return 1;
387 }
388 }
389 /* }}} */
390
zend_print_zval(zval * expr,int indent)391 ZEND_API size_t zend_print_zval(zval *expr, int indent) /* {{{ */
392 {
393 zend_string *tmp_str;
394 zend_string *str = zval_get_tmp_string(expr, &tmp_str);
395 size_t len = ZSTR_LEN(str);
396
397 if (len != 0) {
398 zend_write(ZSTR_VAL(str), len);
399 }
400
401 zend_tmp_string_release(tmp_str);
402 return len;
403 }
404 /* }}} */
405
zend_print_flat_zval_r_to_buf(smart_str * buf,zval * expr)406 void zend_print_flat_zval_r_to_buf(smart_str *buf, zval *expr) /* {{{ */
407 {
408 switch (Z_TYPE_P(expr)) {
409 case IS_ARRAY:
410 smart_str_appends(buf, "Array (");
411 if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
412 if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
413 smart_str_appends(buf, " *RECURSION*");
414 return;
415 }
416 GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
417 }
418 print_flat_hash(buf, Z_ARRVAL_P(expr));
419 smart_str_appendc(buf, ')');
420 GC_TRY_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
421 break;
422 case IS_OBJECT:
423 {
424 HashTable *properties;
425 zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
426 smart_str_append(buf, class_name);
427 smart_str_appends(buf, " Object (");
428 zend_string_release_ex(class_name, 0);
429
430 if (GC_IS_RECURSIVE(Z_COUNTED_P(expr))) {
431 smart_str_appends(buf, " *RECURSION*");
432 return;
433 }
434
435 properties = Z_OBJPROP_P(expr);
436 if (properties) {
437 GC_PROTECT_RECURSION(Z_OBJ_P(expr));
438 print_flat_hash(buf, properties);
439 GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
440 }
441 smart_str_appendc(buf, ')');
442 break;
443 }
444 case IS_REFERENCE:
445 zend_print_flat_zval_r_to_buf(buf, Z_REFVAL_P(expr));
446 break;
447 case IS_STRING:
448 smart_str_append(buf, Z_STR_P(expr));
449 break;
450 default:
451 {
452 zend_string *str = zval_get_string_func(expr);
453 smart_str_append(buf, str);
454 zend_string_release_ex(str, 0);
455 break;
456 }
457 }
458 }
459 /* }}} */
460
zend_print_flat_zval_r(zval * expr)461 ZEND_API void zend_print_flat_zval_r(zval *expr)
462 {
463 smart_str buf = {0};
464 zend_print_flat_zval_r_to_buf(&buf, expr);
465 smart_str_0(&buf);
466 zend_write(ZSTR_VAL(buf.s), ZSTR_LEN(buf.s));
467 smart_str_free(&buf);
468 }
469
zend_print_zval_r_to_buf(smart_str * buf,zval * expr,int indent)470 static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent) /* {{{ */
471 {
472 switch (Z_TYPE_P(expr)) {
473 case IS_ARRAY:
474 smart_str_appends(buf, "Array\n");
475 if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
476 if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
477 smart_str_appends(buf, " *RECURSION*");
478 return;
479 }
480 GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
481 }
482 print_hash(buf, Z_ARRVAL_P(expr), indent, 0);
483 GC_TRY_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
484 break;
485 case IS_OBJECT:
486 {
487 HashTable *properties;
488
489 zend_object *zobj = Z_OBJ_P(expr);
490 zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(zobj);
491 smart_str_appends(buf, ZSTR_VAL(class_name));
492 zend_string_release_ex(class_name, 0);
493
494 if (!(zobj->ce->ce_flags & ZEND_ACC_ENUM)) {
495 smart_str_appends(buf, " Object\n");
496 } else {
497 smart_str_appends(buf, " Enum");
498 if (zobj->ce->enum_backing_type != IS_UNDEF) {
499 smart_str_appendc(buf, ':');
500 smart_str_appends(buf, zend_get_type_by_const(zobj->ce->enum_backing_type));
501 }
502 smart_str_appendc(buf, '\n');
503 }
504
505 if (GC_IS_RECURSIVE(Z_OBJ_P(expr))) {
506 smart_str_appends(buf, " *RECURSION*");
507 return;
508 }
509
510 if ((properties = zend_get_properties_for(expr, ZEND_PROP_PURPOSE_DEBUG)) == NULL) {
511 break;
512 }
513
514 GC_PROTECT_RECURSION(Z_OBJ_P(expr));
515 print_hash(buf, properties, indent, 1);
516 GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
517
518 zend_release_properties(properties);
519 break;
520 }
521 case IS_LONG:
522 smart_str_append_long(buf, Z_LVAL_P(expr));
523 break;
524 case IS_REFERENCE:
525 zend_print_zval_r_to_buf(buf, Z_REFVAL_P(expr), indent);
526 break;
527 case IS_STRING:
528 smart_str_append(buf, Z_STR_P(expr));
529 break;
530 default:
531 {
532 zend_string *str = zval_get_string_func(expr);
533 smart_str_append(buf, str);
534 zend_string_release_ex(str, 0);
535 }
536 break;
537 }
538 }
539 /* }}} */
540
zend_print_zval_r_to_str(zval * expr,int indent)541 ZEND_API zend_string *zend_print_zval_r_to_str(zval *expr, int indent) /* {{{ */
542 {
543 smart_str buf = {0};
544 zend_print_zval_r_to_buf(&buf, expr, indent);
545 smart_str_0(&buf);
546 return buf.s;
547 }
548 /* }}} */
549
zend_print_zval_r(zval * expr,int indent)550 ZEND_API void zend_print_zval_r(zval *expr, int indent) /* {{{ */
551 {
552 zend_string *str = zend_print_zval_r_to_str(expr, indent);
553 zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
554 zend_string_release_ex(str, 0);
555 }
556 /* }}} */
557
zend_fopen_wrapper(zend_string * filename,zend_string ** opened_path)558 static FILE *zend_fopen_wrapper(zend_string *filename, zend_string **opened_path) /* {{{ */
559 {
560 if (opened_path) {
561 *opened_path = zend_string_copy(filename);
562 }
563 return fopen(ZSTR_VAL(filename), "rb");
564 }
565 /* }}} */
566
567 #ifdef ZTS
568 static bool short_tags_default = 1;
569 static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
570 #else
571 # define short_tags_default 1
572 # define compiler_options_default ZEND_COMPILE_DEFAULT
573 #endif
574
zend_set_default_compile_time_values(void)575 static void zend_set_default_compile_time_values(void) /* {{{ */
576 {
577 /* default compile-time values */
578 CG(short_tags) = short_tags_default;
579 CG(compiler_options) = compiler_options_default;
580
581 CG(rtd_key_counter) = 0;
582 }
583 /* }}} */
584
585 #ifdef ZEND_WIN32
zend_get_windows_version_info(OSVERSIONINFOEX * osvi)586 static void zend_get_windows_version_info(OSVERSIONINFOEX *osvi) /* {{{ */
587 {
588 ZeroMemory(osvi, sizeof(OSVERSIONINFOEX));
589 osvi->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
590 if(!GetVersionEx((OSVERSIONINFO *) osvi)) {
591 ZEND_UNREACHABLE(); /* Should not happen as sizeof is used. */
592 }
593 }
594 /* }}} */
595 #endif
596
zend_init_exception_op(void)597 static void zend_init_exception_op(void) /* {{{ */
598 {
599 memset(EG(exception_op), 0, sizeof(EG(exception_op)));
600 EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
601 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
602 EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
603 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
604 EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
605 ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
606 }
607 /* }}} */
608
zend_init_call_trampoline_op(void)609 static void zend_init_call_trampoline_op(void) /* {{{ */
610 {
611 memset(&EG(call_trampoline_op), 0, sizeof(EG(call_trampoline_op)));
612 EG(call_trampoline_op).opcode = ZEND_CALL_TRAMPOLINE;
613 ZEND_VM_SET_OPCODE_HANDLER(&EG(call_trampoline_op));
614 }
615 /* }}} */
616
auto_global_dtor(zval * zv)617 static void auto_global_dtor(zval *zv) /* {{{ */
618 {
619 free(Z_PTR_P(zv));
620 }
621 /* }}} */
622
623 #ifdef ZTS
function_copy_ctor(zval * zv)624 static void function_copy_ctor(zval *zv) /* {{{ */
625 {
626 zend_function *old_func = Z_FUNC_P(zv);
627 zend_function *func;
628
629 if (old_func->type == ZEND_USER_FUNCTION) {
630 ZEND_ASSERT(old_func->op_array.fn_flags & ZEND_ACC_IMMUTABLE);
631 return;
632 }
633 func = pemalloc(sizeof(zend_internal_function), 1);
634 Z_FUNC_P(zv) = func;
635 memcpy(func, old_func, sizeof(zend_internal_function));
636 function_add_ref(func);
637 if ((old_func->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))
638 && old_func->common.arg_info) {
639 uint32_t i;
640 uint32_t num_args = old_func->common.num_args + 1;
641 zend_arg_info *arg_info = old_func->common.arg_info - 1;
642 zend_arg_info *new_arg_info;
643
644 if (old_func->common.fn_flags & ZEND_ACC_VARIADIC) {
645 num_args++;
646 }
647 new_arg_info = pemalloc(sizeof(zend_arg_info) * num_args, 1);
648 memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
649 for (i = 0 ; i < num_args; i++) {
650 if (ZEND_TYPE_HAS_LIST(arg_info[i].type)) {
651 zend_type_list *old_list = ZEND_TYPE_LIST(arg_info[i].type);
652 zend_type_list *new_list = pemalloc(ZEND_TYPE_LIST_SIZE(old_list->num_types), 1);
653 memcpy(new_list, old_list, ZEND_TYPE_LIST_SIZE(old_list->num_types));
654 ZEND_TYPE_SET_PTR(new_arg_info[i].type, new_list);
655
656 zend_type *list_type;
657 ZEND_TYPE_LIST_FOREACH(new_list, list_type) {
658 zend_string *name = zend_string_dup(ZEND_TYPE_NAME(*list_type), 1);
659 ZEND_TYPE_SET_PTR(*list_type, name);
660 } ZEND_TYPE_LIST_FOREACH_END();
661 } else if (ZEND_TYPE_HAS_NAME(arg_info[i].type)) {
662 zend_string *name = zend_string_dup(ZEND_TYPE_NAME(arg_info[i].type), 1);
663 ZEND_TYPE_SET_PTR(new_arg_info[i].type, name);
664 }
665 }
666 func->common.arg_info = new_arg_info + 1;
667 }
668 }
669 /* }}} */
670
auto_global_copy_ctor(zval * zv)671 static void auto_global_copy_ctor(zval *zv) /* {{{ */
672 {
673 zend_auto_global *old_ag = (zend_auto_global *) Z_PTR_P(zv);
674 zend_auto_global *new_ag = pemalloc(sizeof(zend_auto_global), 1);
675
676 new_ag->name = old_ag->name;
677 new_ag->auto_global_callback = old_ag->auto_global_callback;
678 new_ag->jit = old_ag->jit;
679
680 Z_PTR_P(zv) = new_ag;
681 }
682 /* }}} */
683
compiler_globals_ctor(zend_compiler_globals * compiler_globals)684 static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{{ */
685 {
686 compiler_globals->compiled_filename = NULL;
687
688 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
689 zend_hash_init(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
690 zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);
691
692 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
693 zend_hash_init(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1);
694 zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);
695
696 zend_set_default_compile_time_values();
697
698 compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
699 zend_hash_init(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1);
700 zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);
701
702 compiler_globals->script_encoding_list = NULL;
703 compiler_globals->current_linking_class = NULL;
704
705 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
706 /* Map region is going to be created and resized at run-time. */
707 compiler_globals->map_ptr_real_base = NULL;
708 compiler_globals->map_ptr_base = ZEND_MAP_PTR_BIASED_BASE(NULL);
709 compiler_globals->map_ptr_size = 0;
710 compiler_globals->map_ptr_last = global_map_ptr_last;
711 if (compiler_globals->map_ptr_last) {
712 /* Allocate map_ptr table */
713 compiler_globals->map_ptr_size = ZEND_MM_ALIGNED_SIZE_EX(compiler_globals->map_ptr_last, 4096);
714 void *base = pemalloc(compiler_globals->map_ptr_size * sizeof(void*), 1);
715 compiler_globals->map_ptr_real_base = base;
716 compiler_globals->map_ptr_base = ZEND_MAP_PTR_BIASED_BASE(base);
717 memset(base, 0, compiler_globals->map_ptr_last * sizeof(void*));
718 }
719 #else
720 # error "Unknown ZEND_MAP_PTR_KIND"
721 #endif
722 }
723 /* }}} */
724
compiler_globals_dtor(zend_compiler_globals * compiler_globals)725 static void compiler_globals_dtor(zend_compiler_globals *compiler_globals) /* {{{ */
726 {
727 if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
728 zend_hash_destroy(compiler_globals->function_table);
729 free(compiler_globals->function_table);
730 }
731 if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
732 /* Child classes may reuse structures from parent classes, so destroy in reverse order. */
733 zend_hash_graceful_reverse_destroy(compiler_globals->class_table);
734 free(compiler_globals->class_table);
735 }
736 if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
737 zend_hash_destroy(compiler_globals->auto_globals);
738 free(compiler_globals->auto_globals);
739 }
740 if (compiler_globals->script_encoding_list) {
741 pefree((char*)compiler_globals->script_encoding_list, 1);
742 }
743 if (compiler_globals->map_ptr_real_base) {
744 free(compiler_globals->map_ptr_real_base);
745 compiler_globals->map_ptr_real_base = NULL;
746 compiler_globals->map_ptr_base = ZEND_MAP_PTR_BIASED_BASE(NULL);
747 compiler_globals->map_ptr_size = 0;
748 }
749 }
750 /* }}} */
751
executor_globals_ctor(zend_executor_globals * executor_globals)752 static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */
753 {
754 zend_startup_constants();
755 zend_copy_constants(executor_globals->zend_constants, GLOBAL_CONSTANTS_TABLE);
756 zend_init_rsrc_plist();
757 zend_init_exception_op();
758 zend_init_call_trampoline_op();
759 memset(&executor_globals->trampoline, 0, sizeof(zend_op_array));
760 executor_globals->capture_warnings_during_sccp = 0;
761 ZVAL_UNDEF(&executor_globals->user_error_handler);
762 ZVAL_UNDEF(&executor_globals->user_exception_handler);
763 executor_globals->in_autoload = NULL;
764 executor_globals->current_execute_data = NULL;
765 executor_globals->current_module = NULL;
766 executor_globals->exit_status = 0;
767 #if XPFPA_HAVE_CW
768 executor_globals->saved_fpu_cw = 0;
769 #endif
770 executor_globals->saved_fpu_cw_ptr = NULL;
771 executor_globals->active = 0;
772 executor_globals->bailout = NULL;
773 executor_globals->error_handling = EH_NORMAL;
774 executor_globals->exception_class = NULL;
775 executor_globals->exception = NULL;
776 executor_globals->objects_store.object_buckets = NULL;
777 executor_globals->current_fiber_context = NULL;
778 executor_globals->main_fiber_context = NULL;
779 executor_globals->active_fiber = NULL;
780 #ifdef ZEND_WIN32
781 zend_get_windows_version_info(&executor_globals->windows_version_info);
782 #endif
783 executor_globals->flags = EG_FLAGS_INITIAL;
784 executor_globals->record_errors = false;
785 executor_globals->num_errors = 0;
786 executor_globals->errors = NULL;
787 }
788 /* }}} */
789
executor_globals_dtor(zend_executor_globals * executor_globals)790 static void executor_globals_dtor(zend_executor_globals *executor_globals) /* {{{ */
791 {
792 zend_ini_dtor(executor_globals->ini_directives);
793
794 if (&executor_globals->persistent_list != global_persistent_list) {
795 zend_destroy_rsrc_list(&executor_globals->persistent_list);
796 }
797 if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
798 zend_hash_destroy(executor_globals->zend_constants);
799 free(executor_globals->zend_constants);
800 }
801 }
802 /* }}} */
803
zend_new_thread_end_handler(THREAD_T thread_id)804 static void zend_new_thread_end_handler(THREAD_T thread_id) /* {{{ */
805 {
806 zend_copy_ini_directives();
807 zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP);
808 }
809 /* }}} */
810 #endif
811
812 #if defined(__FreeBSD__) || defined(__DragonFly__)
813 /* FreeBSD and DragonFly floating point precision fix */
814 #include <floatingpoint.h>
815 #endif
816
ini_scanner_globals_ctor(zend_ini_scanner_globals * scanner_globals_p)817 static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p) /* {{{ */
818 {
819 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
820 }
821 /* }}} */
822
php_scanner_globals_ctor(zend_php_scanner_globals * scanner_globals_p)823 static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p) /* {{{ */
824 {
825 memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
826 }
827 /* }}} */
828
module_destructor_zval(zval * zv)829 static void module_destructor_zval(zval *zv) /* {{{ */
830 {
831 zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);
832
833 module_destructor(module);
834 free(module);
835 }
836 /* }}} */
837
php_auto_globals_create_globals(zend_string * name)838 static bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
839 {
840 /* While we keep registering $GLOBALS as an auto-global, we do not create an
841 * actual variable for it. Access to it handled specially by the compiler. */
842 return 0;
843 }
844 /* }}} */
845
zend_startup(zend_utility_functions * utility_functions)846 void zend_startup(zend_utility_functions *utility_functions) /* {{{ */
847 {
848 #ifdef ZTS
849 zend_compiler_globals *compiler_globals;
850 zend_executor_globals *executor_globals;
851 extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
852 extern ZEND_API ts_rsrc_id language_scanner_globals_id;
853 #else
854 extern zend_ini_scanner_globals ini_scanner_globals;
855 extern zend_php_scanner_globals language_scanner_globals;
856 #endif
857
858 zend_cpu_startup();
859
860 #ifdef ZEND_WIN32
861 php_win32_cp_set_by_id(65001);
862 #endif
863
864 start_memory_manager();
865
866 virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
867
868 #if defined(__FreeBSD__) || defined(__DragonFly__)
869 /* FreeBSD and DragonFly floating point precision fix */
870 fpsetmask(0);
871 #endif
872
873 zend_startup_strtod();
874 zend_startup_extensions_mechanism();
875
876 /* Set up utility functions and values */
877 zend_error_cb = utility_functions->error_function;
878 zend_printf = utility_functions->printf_function;
879 zend_write = utility_functions->write_function;
880 zend_fopen = utility_functions->fopen_function;
881 if (!zend_fopen) {
882 zend_fopen = zend_fopen_wrapper;
883 }
884 zend_stream_open_function = utility_functions->stream_open_function;
885 zend_message_dispatcher_p = utility_functions->message_handler;
886 zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
887 zend_ticks_function = utility_functions->ticks_function;
888 zend_on_timeout = utility_functions->on_timeout;
889 zend_printf_to_smart_string = utility_functions->printf_to_smart_string_function;
890 zend_printf_to_smart_str = utility_functions->printf_to_smart_str_function;
891 zend_getenv = utility_functions->getenv_function;
892 zend_resolve_path = utility_functions->resolve_path_function;
893
894 zend_interrupt_function = NULL;
895
896 #ifdef HAVE_DTRACE
897 /* build with dtrace support */
898 {
899 char *tmp = getenv("USE_ZEND_DTRACE");
900
901 if (tmp && ZEND_ATOL(tmp)) {
902 zend_dtrace_enabled = 1;
903 zend_compile_file = dtrace_compile_file;
904 zend_execute_ex = dtrace_execute_ex;
905 zend_execute_internal = dtrace_execute_internal;
906
907 zend_observer_error_register(dtrace_error_notify_cb);
908 } else {
909 zend_compile_file = compile_file;
910 zend_execute_ex = execute_ex;
911 zend_execute_internal = NULL;
912 }
913 }
914 #else
915 zend_compile_file = compile_file;
916 zend_execute_ex = execute_ex;
917 zend_execute_internal = NULL;
918 #endif /* HAVE_DTRACE */
919 zend_compile_string = compile_string;
920 zend_throw_exception_hook = NULL;
921
922 /* Set up the default garbage collection implementation. */
923 gc_collect_cycles = zend_gc_collect_cycles;
924
925 zend_vm_init();
926
927 /* set up version */
928 zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
929 zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
930
931 GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
932 GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
933 GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
934 GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
935
936 zend_hash_init(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1);
937 zend_hash_init(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1);
938 zend_hash_init(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1);
939 zend_hash_init(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1);
940
941 zend_hash_init(&module_registry, 32, NULL, module_destructor_zval, 1);
942 zend_init_rsrc_list_dtors();
943
944 #ifdef ZTS
945 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);
946 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);
947 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);
948 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);
949 compiler_globals = ts_resource(compiler_globals_id);
950 executor_globals = ts_resource(executor_globals_id);
951
952 compiler_globals_dtor(compiler_globals);
953 compiler_globals->in_compilation = 0;
954 compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
955 compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
956
957 *compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
958 *compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
959 compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
960
961 zend_hash_destroy(executor_globals->zend_constants);
962 *executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
963 #else
964 ini_scanner_globals_ctor(&ini_scanner_globals);
965 php_scanner_globals_ctor(&language_scanner_globals);
966 zend_set_default_compile_time_values();
967 #ifdef ZEND_WIN32
968 zend_get_windows_version_info(&EG(windows_version_info));
969 #endif
970 # if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
971 /* Create a map region, used for indirect pointers from shared to
972 * process memory. It's allocated once and never resized.
973 * All processes must map it into the same address space.
974 */
975 CG(map_ptr_size) = 1024 * 1024; // TODO: initial size ???
976 CG(map_ptr_last) = 0;
977 CG(map_ptr_real_base) = pemalloc(CG(map_ptr_size) * sizeof(void*), 1);
978 CG(map_ptr_base) = ZEND_MAP_PTR_BIASED_BASE(CG(map_ptr_real_base));
979 # elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
980 /* Map region is going to be created and resized at run-time. */
981 CG(map_ptr_real_base) = NULL;
982 CG(map_ptr_base) = ZEND_MAP_PTR_BIASED_BASE(NULL);
983 CG(map_ptr_size) = 0;
984 CG(map_ptr_last) = 0;
985 # else
986 # error "Unknown ZEND_MAP_PTR_KIND"
987 # endif
988 #endif
989 EG(error_reporting) = E_ALL & ~E_NOTICE;
990
991 zend_interned_strings_init();
992 zend_startup_builtin_functions();
993 zend_register_standard_constants();
994 zend_register_auto_global(zend_string_init_interned("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals);
995
996 #ifndef ZTS
997 zend_init_rsrc_plist();
998 zend_init_exception_op();
999 zend_init_call_trampoline_op();
1000 #endif
1001
1002 zend_ini_startup();
1003
1004 #ifdef ZEND_WIN32
1005 /* Uses INI settings, so needs to be run after it. */
1006 php_win32_cp_setup();
1007 #endif
1008
1009 zend_optimizer_startup();
1010
1011 #ifdef ZTS
1012 tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
1013 tsrm_set_shutdown_handler(zend_interned_strings_dtor);
1014 #endif
1015 }
1016 /* }}} */
1017
zend_register_standard_ini_entries(void)1018 void zend_register_standard_ini_entries(void) /* {{{ */
1019 {
1020 int module_number = 0;
1021
1022 REGISTER_INI_ENTRIES();
1023 }
1024 /* }}} */
1025
1026
1027 /* Unlink the global (r/o) copies of the class, function and constant tables,
1028 * and use a fresh r/w copy for the startup thread
1029 */
zend_post_startup(void)1030 zend_result zend_post_startup(void) /* {{{ */
1031 {
1032 #ifdef ZTS
1033 zend_encoding **script_encoding_list;
1034
1035 zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
1036 zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
1037 #endif
1038
1039 startup_done = true;
1040
1041 if (zend_post_startup_cb) {
1042 zend_result (*cb)(void) = zend_post_startup_cb;
1043
1044 zend_post_startup_cb = NULL;
1045 if (cb() != SUCCESS) {
1046 return FAILURE;
1047 }
1048 }
1049
1050 #ifdef ZTS
1051 *GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
1052 *GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
1053 *GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
1054 global_map_ptr_last = compiler_globals->map_ptr_last;
1055
1056 short_tags_default = CG(short_tags);
1057 compiler_options_default = CG(compiler_options);
1058
1059 zend_destroy_rsrc_list(&EG(persistent_list));
1060 free(compiler_globals->function_table);
1061 compiler_globals->function_table = NULL;
1062 free(compiler_globals->class_table);
1063 compiler_globals->class_table = NULL;
1064 if (compiler_globals->map_ptr_real_base) {
1065 free(compiler_globals->map_ptr_real_base);
1066 }
1067 compiler_globals->map_ptr_real_base = NULL;
1068 compiler_globals->map_ptr_base = ZEND_MAP_PTR_BIASED_BASE(NULL);
1069 if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
1070 compiler_globals_ctor(compiler_globals);
1071 compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
1072 } else {
1073 compiler_globals_ctor(compiler_globals);
1074 }
1075 free(EG(zend_constants));
1076 EG(zend_constants) = NULL;
1077
1078 executor_globals_ctor(executor_globals);
1079 global_persistent_list = &EG(persistent_list);
1080 zend_copy_ini_directives();
1081 #else
1082 global_map_ptr_last = CG(map_ptr_last);
1083 #endif
1084
1085 return SUCCESS;
1086 }
1087 /* }}} */
1088
zend_shutdown(void)1089 void zend_shutdown(void) /* {{{ */
1090 {
1091 zend_vm_dtor();
1092
1093 zend_destroy_rsrc_list(&EG(persistent_list));
1094 zend_destroy_modules();
1095
1096 virtual_cwd_deactivate();
1097 virtual_cwd_shutdown();
1098
1099 zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
1100 /* Child classes may reuse structures from parent classes, so destroy in reverse order. */
1101 zend_hash_graceful_reverse_destroy(GLOBAL_CLASS_TABLE);
1102
1103 zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
1104 free(GLOBAL_AUTO_GLOBALS_TABLE);
1105
1106 zend_shutdown_extensions();
1107 free(zend_version_info);
1108
1109 free(GLOBAL_FUNCTION_TABLE);
1110 free(GLOBAL_CLASS_TABLE);
1111
1112 zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
1113 free(GLOBAL_CONSTANTS_TABLE);
1114 zend_shutdown_strtod();
1115 zend_attributes_shutdown();
1116
1117 #ifdef ZTS
1118 GLOBAL_FUNCTION_TABLE = NULL;
1119 GLOBAL_CLASS_TABLE = NULL;
1120 GLOBAL_AUTO_GLOBALS_TABLE = NULL;
1121 GLOBAL_CONSTANTS_TABLE = NULL;
1122 ts_free_id(executor_globals_id);
1123 ts_free_id(compiler_globals_id);
1124 #else
1125 if (CG(map_ptr_real_base)) {
1126 free(CG(map_ptr_real_base));
1127 CG(map_ptr_real_base) = NULL;
1128 CG(map_ptr_base) = ZEND_MAP_PTR_BIASED_BASE(NULL);
1129 CG(map_ptr_size) = 0;
1130 }
1131 if (CG(script_encoding_list)) {
1132 free(ZEND_VOIDP(CG(script_encoding_list)));
1133 CG(script_encoding_list) = NULL;
1134 CG(script_encoding_list_size) = 0;
1135 }
1136 #endif
1137 zend_destroy_rsrc_list_dtors();
1138
1139 zend_optimizer_shutdown();
1140 startup_done = false;
1141 }
1142 /* }}} */
1143
zend_set_utility_values(zend_utility_values * utility_values)1144 void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
1145 {
1146 zend_uv = *utility_values;
1147 }
1148 /* }}} */
1149
1150 /* this should be compatible with the standard zenderror */
zenderror(const char * error)1151 ZEND_COLD void zenderror(const char *error) /* {{{ */
1152 {
1153 CG(parse_error) = 0;
1154
1155 if (EG(exception)) {
1156 /* An exception was thrown in the lexer, don't throw another in the parser. */
1157 return;
1158 }
1159
1160 zend_throw_exception(zend_ce_parse_error, error, 0);
1161 }
1162 /* }}} */
1163
_zend_bailout(const char * filename,uint32_t lineno)1164 ZEND_API ZEND_COLD ZEND_NORETURN void _zend_bailout(const char *filename, uint32_t lineno) /* {{{ */
1165 {
1166
1167 if (!EG(bailout)) {
1168 zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
1169 exit(-1);
1170 }
1171 gc_protect(1);
1172 CG(unclean_shutdown) = 1;
1173 CG(active_class_entry) = NULL;
1174 CG(in_compilation) = 0;
1175 EG(current_execute_data) = NULL;
1176 LONGJMP(*EG(bailout), FAILURE);
1177 }
1178 /* }}} */
1179
zend_get_page_size(void)1180 ZEND_API size_t zend_get_page_size(void)
1181 {
1182 #ifdef _WIN32
1183 SYSTEM_INFO system_info;
1184 GetSystemInfo(&system_info);
1185 return system_info.dwPageSize;
1186 #elif defined(__FreeBSD__)
1187 /* This returns the value obtained from
1188 * the auxv vector, avoiding a syscall. */
1189 return getpagesize();
1190 #else
1191 return (size_t) sysconf(_SC_PAGESIZE);
1192 #endif
1193 }
1194
zend_append_version_info(const zend_extension * extension)1195 ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
1196 {
1197 char *new_info;
1198 uint32_t new_info_length;
1199
1200 new_info_length = (uint32_t)(sizeof(" with v, , by \n")
1201 + strlen(extension->name)
1202 + strlen(extension->version)
1203 + strlen(extension->copyright)
1204 + strlen(extension->author));
1205
1206 new_info = (char *) malloc(new_info_length + 1);
1207
1208 snprintf(new_info, new_info_length, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
1209
1210 zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
1211 strncat(zend_version_info, new_info, new_info_length);
1212 zend_version_info_length += new_info_length;
1213 free(new_info);
1214 }
1215 /* }}} */
1216
get_zend_version(void)1217 ZEND_API const char *get_zend_version(void) /* {{{ */
1218 {
1219 return zend_version_info;
1220 }
1221 /* }}} */
1222
zend_activate(void)1223 ZEND_API void zend_activate(void) /* {{{ */
1224 {
1225 #ifdef ZTS
1226 virtual_cwd_activate();
1227 #endif
1228 gc_reset();
1229 init_compiler();
1230 init_executor();
1231 startup_scanner();
1232 if (CG(map_ptr_last)) {
1233 memset(CG(map_ptr_real_base), 0, CG(map_ptr_last) * sizeof(void*));
1234 }
1235 zend_observer_activate();
1236 }
1237 /* }}} */
1238
zend_call_destructors(void)1239 void zend_call_destructors(void) /* {{{ */
1240 {
1241 zend_try {
1242 shutdown_destructors();
1243 } zend_end_try();
1244 }
1245 /* }}} */
1246
zend_deactivate(void)1247 ZEND_API void zend_deactivate(void) /* {{{ */
1248 {
1249 /* we're no longer executing anything */
1250 EG(current_execute_data) = NULL;
1251
1252 zend_observer_deactivate();
1253
1254 zend_try {
1255 shutdown_scanner();
1256 } zend_end_try();
1257
1258 /* shutdown_executor() takes care of its own bailout handling */
1259 shutdown_executor();
1260
1261 zend_try {
1262 zend_ini_deactivate();
1263 } zend_end_try();
1264
1265 zend_try {
1266 shutdown_compiler();
1267 } zend_end_try();
1268
1269 zend_destroy_rsrc_list(&EG(regular_list));
1270
1271 #if GC_BENCH
1272 fprintf(stderr, "GC Statistics\n");
1273 fprintf(stderr, "-------------\n");
1274 fprintf(stderr, "Runs: %d\n", GC_G(gc_runs));
1275 fprintf(stderr, "Collected: %d\n", GC_G(collected));
1276 fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
1277 fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak));
1278 fprintf(stderr, " Possible Remove from Marked\n");
1279 fprintf(stderr, " Root Buffered buffer grey\n");
1280 fprintf(stderr, " -------- -------- ----------- ------\n");
1281 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));
1282 #endif
1283 }
1284 /* }}} */
1285
zend_message_dispatcher(zend_long message,const void * data)1286 ZEND_API void zend_message_dispatcher(zend_long message, const void *data) /* {{{ */
1287 {
1288 if (zend_message_dispatcher_p) {
1289 zend_message_dispatcher_p(message, data);
1290 }
1291 }
1292 /* }}} */
1293
zend_get_configuration_directive(zend_string * name)1294 ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
1295 {
1296 if (zend_get_configuration_directive_p) {
1297 return zend_get_configuration_directive_p(name);
1298 } else {
1299 return NULL;
1300 }
1301 }
1302 /* }}} */
1303
1304 #define SAVE_STACK(stack) do { \
1305 if (CG(stack).top) { \
1306 memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
1307 CG(stack).top = CG(stack).max = 0; \
1308 CG(stack).elements = NULL; \
1309 } else { \
1310 stack.top = 0; \
1311 } \
1312 } while (0)
1313
1314 #define RESTORE_STACK(stack) do { \
1315 if (stack.top) { \
1316 zend_stack_destroy(&CG(stack)); \
1317 memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
1318 } \
1319 } while (0)
1320
zend_error_zstr_at(int orig_type,zend_string * error_filename,uint32_t error_lineno,zend_string * message)1321 ZEND_API ZEND_COLD void zend_error_zstr_at(
1322 int orig_type, zend_string *error_filename, uint32_t error_lineno, zend_string *message)
1323 {
1324 zval params[4];
1325 zval retval;
1326 zval orig_user_error_handler;
1327 bool in_compilation;
1328 zend_class_entry *saved_class_entry;
1329 zend_stack loop_var_stack;
1330 zend_stack delayed_oplines_stack;
1331 int type = orig_type & E_ALL;
1332
1333 /* If we're executing a function during SCCP, count any warnings that may be emitted,
1334 * but don't perform any other error handling. */
1335 if (EG(capture_warnings_during_sccp)) {
1336 ZEND_ASSERT(!(type & E_FATAL_ERRORS) && "Fatal error during SCCP");
1337 EG(capture_warnings_during_sccp)++;
1338 return;
1339 }
1340
1341 if (EG(record_errors)) {
1342 zend_error_info *info = emalloc(sizeof(zend_error_info));
1343 info->type = type;
1344 info->lineno = error_lineno;
1345 info->filename = zend_string_copy(error_filename);
1346 info->message = zend_string_copy(message);
1347
1348 /* This is very inefficient for a large number of errors.
1349 * Use pow2 realloc if it becomes a problem. */
1350 EG(num_errors)++;
1351 EG(errors) = erealloc(EG(errors), sizeof(zend_error_info) * EG(num_errors));
1352 EG(errors)[EG(num_errors)-1] = info;
1353 }
1354
1355 /* Report about uncaught exception in case of fatal errors */
1356 if (EG(exception)) {
1357 zend_execute_data *ex;
1358 const zend_op *opline;
1359
1360 if (type & E_FATAL_ERRORS) {
1361 ex = EG(current_execute_data);
1362 opline = NULL;
1363 while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
1364 ex = ex->prev_execute_data;
1365 }
1366 if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION &&
1367 EG(opline_before_exception)) {
1368 opline = EG(opline_before_exception);
1369 }
1370 zend_exception_error(EG(exception), E_WARNING);
1371 EG(exception) = NULL;
1372 if (opline) {
1373 ex->opline = opline;
1374 }
1375 }
1376 }
1377
1378 zend_observer_error_notify(type, error_filename, error_lineno, message);
1379
1380 /* if we don't have a user defined error handler */
1381 if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF
1382 || !(EG(user_error_handler_error_reporting) & type)
1383 || EG(error_handling) != EH_NORMAL) {
1384 zend_error_cb(orig_type, error_filename, error_lineno, message);
1385 } else switch (type) {
1386 case E_ERROR:
1387 case E_PARSE:
1388 case E_CORE_ERROR:
1389 case E_CORE_WARNING:
1390 case E_COMPILE_ERROR:
1391 case E_COMPILE_WARNING:
1392 /* The error may not be safe to handle in user-space */
1393 zend_error_cb(orig_type, error_filename, error_lineno, message);
1394 break;
1395 default:
1396 /* Handle the error in user space */
1397 ZVAL_STR_COPY(¶ms[1], message);
1398 ZVAL_LONG(¶ms[0], type);
1399
1400 if (error_filename) {
1401 ZVAL_STR_COPY(¶ms[2], error_filename);
1402 } else {
1403 ZVAL_NULL(¶ms[2]);
1404 }
1405
1406 ZVAL_LONG(¶ms[3], error_lineno);
1407
1408 ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler));
1409 ZVAL_UNDEF(&EG(user_error_handler));
1410
1411 /* User error handler may include() additional PHP files.
1412 * If an error was generated during compilation PHP will compile
1413 * such scripts recursively, but some CG() variables may be
1414 * inconsistent. */
1415
1416 in_compilation = CG(in_compilation);
1417 if (in_compilation) {
1418 saved_class_entry = CG(active_class_entry);
1419 CG(active_class_entry) = NULL;
1420 SAVE_STACK(loop_var_stack);
1421 SAVE_STACK(delayed_oplines_stack);
1422 CG(in_compilation) = 0;
1423 }
1424
1425 if (call_user_function(CG(function_table), NULL, &orig_user_error_handler, &retval, 4, params) == SUCCESS) {
1426 if (Z_TYPE(retval) != IS_UNDEF) {
1427 if (Z_TYPE(retval) == IS_FALSE) {
1428 zend_error_cb(orig_type, error_filename, error_lineno, message);
1429 }
1430 zval_ptr_dtor(&retval);
1431 }
1432 } else if (!EG(exception)) {
1433 /* The user error handler failed, use built-in error handler */
1434 zend_error_cb(orig_type, error_filename, error_lineno, message);
1435 }
1436
1437 if (in_compilation) {
1438 CG(active_class_entry) = saved_class_entry;
1439 RESTORE_STACK(loop_var_stack);
1440 RESTORE_STACK(delayed_oplines_stack);
1441 CG(in_compilation) = 1;
1442 }
1443
1444 zval_ptr_dtor(¶ms[2]);
1445 zval_ptr_dtor(¶ms[1]);
1446
1447 if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) {
1448 ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler);
1449 } else {
1450 zval_ptr_dtor(&orig_user_error_handler);
1451 }
1452 break;
1453 }
1454
1455 if (type == E_PARSE) {
1456 /* eval() errors do not affect exit_status */
1457 if (!(EG(current_execute_data) &&
1458 EG(current_execute_data)->func &&
1459 ZEND_USER_CODE(EG(current_execute_data)->func->type) &&
1460 EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
1461 EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
1462 EG(exit_status) = 255;
1463 }
1464 }
1465 }
1466 /* }}} */
1467
zend_error_va_list(int orig_type,zend_string * error_filename,uint32_t error_lineno,const char * format,va_list args)1468 static ZEND_COLD void zend_error_va_list(
1469 int orig_type, zend_string *error_filename, uint32_t error_lineno,
1470 const char *format, va_list args)
1471 {
1472 zend_string *message = zend_vstrpprintf(0, format, args);
1473 zend_error_zstr_at(orig_type, error_filename, error_lineno, message);
1474 zend_string_release(message);
1475 }
1476
get_filename_lineno(int type,zend_string ** filename,uint32_t * lineno)1477 static ZEND_COLD void get_filename_lineno(int type, zend_string **filename, uint32_t *lineno) {
1478 /* Obtain relevant filename and lineno */
1479 switch (type) {
1480 case E_CORE_ERROR:
1481 case E_CORE_WARNING:
1482 *filename = NULL;
1483 *lineno = 0;
1484 break;
1485 case E_PARSE:
1486 case E_COMPILE_ERROR:
1487 case E_COMPILE_WARNING:
1488 case E_ERROR:
1489 case E_NOTICE:
1490 case E_STRICT:
1491 case E_DEPRECATED:
1492 case E_WARNING:
1493 case E_USER_ERROR:
1494 case E_USER_WARNING:
1495 case E_USER_NOTICE:
1496 case E_USER_DEPRECATED:
1497 case E_RECOVERABLE_ERROR:
1498 if (zend_is_compiling()) {
1499 *filename = zend_get_compiled_filename();
1500 *lineno = zend_get_compiled_lineno();
1501 } else if (zend_is_executing()) {
1502 *filename = zend_get_executed_filename_ex();
1503 *lineno = zend_get_executed_lineno();
1504 } else {
1505 *filename = NULL;
1506 *lineno = 0;
1507 }
1508 break;
1509 default:
1510 *filename = NULL;
1511 *lineno = 0;
1512 break;
1513 }
1514 if (!*filename) {
1515 *filename = ZSTR_KNOWN(ZEND_STR_UNKNOWN_CAPITALIZED);
1516 }
1517 }
1518
zend_error_at(int type,zend_string * filename,uint32_t lineno,const char * format,...)1519 ZEND_API ZEND_COLD void zend_error_at(
1520 int type, zend_string *filename, uint32_t lineno, const char *format, ...) {
1521 va_list args;
1522
1523 if (!filename) {
1524 uint32_t dummy_lineno;
1525 get_filename_lineno(type, &filename, &dummy_lineno);
1526 }
1527
1528 va_start(args, format);
1529 zend_error_va_list(type, filename, lineno, format, args);
1530 va_end(args);
1531 }
1532
zend_error(int type,const char * format,...)1533 ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) {
1534 zend_string *filename;
1535 uint32_t lineno;
1536 va_list args;
1537
1538 get_filename_lineno(type, &filename, &lineno);
1539 va_start(args, format);
1540 zend_error_va_list(type, filename, lineno, format, args);
1541 va_end(args);
1542 }
1543
zend_error_unchecked(int type,const char * format,...)1544 ZEND_API ZEND_COLD void zend_error_unchecked(int type, const char *format, ...) {
1545 zend_string *filename;
1546 uint32_t lineno;
1547 va_list args;
1548
1549 get_filename_lineno(type, &filename, &lineno);
1550 va_start(args, format);
1551 zend_error_va_list(type, filename, lineno, format, args);
1552 va_end(args);
1553 }
1554
zend_error_at_noreturn(int type,zend_string * filename,uint32_t lineno,const char * format,...)1555 ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_at_noreturn(
1556 int type, zend_string *filename, uint32_t lineno, const char *format, ...)
1557 {
1558 va_list args;
1559
1560 if (!filename) {
1561 uint32_t dummy_lineno;
1562 get_filename_lineno(type, &filename, &dummy_lineno);
1563 }
1564
1565 va_start(args, format);
1566 zend_error_va_list(type, filename, lineno, format, args);
1567 va_end(args);
1568 /* Should never reach this. */
1569 abort();
1570 }
1571
zend_error_noreturn(int type,const char * format,...)1572 ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...)
1573 {
1574 zend_string *filename;
1575 uint32_t lineno;
1576 va_list args;
1577
1578 get_filename_lineno(type, &filename, &lineno);
1579 va_start(args, format);
1580 zend_error_va_list(type, filename, lineno, format, args);
1581 va_end(args);
1582 /* Should never reach this. */
1583 abort();
1584 }
1585
zend_error_zstr(int type,zend_string * message)1586 ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message) {
1587 zend_string *filename;
1588 uint32_t lineno;
1589 get_filename_lineno(type, &filename, &lineno);
1590 zend_error_zstr_at(type, filename, lineno, message);
1591 }
1592
zend_begin_record_errors(void)1593 ZEND_API void zend_begin_record_errors(void)
1594 {
1595 ZEND_ASSERT(!EG(record_errors) && "Error recoreding already enabled");
1596 EG(record_errors) = true;
1597 EG(num_errors) = 0;
1598 EG(errors) = NULL;
1599 }
1600
zend_free_recorded_errors(void)1601 ZEND_API void zend_free_recorded_errors(void)
1602 {
1603 if (!EG(num_errors)) {
1604 return;
1605 }
1606
1607 for (uint32_t i = 0; i < EG(num_errors); i++) {
1608 zend_error_info *info = EG(errors)[i];
1609 zend_string_release(info->filename);
1610 zend_string_release(info->message);
1611 efree(info);
1612 }
1613 efree(EG(errors));
1614 EG(errors) = NULL;
1615 EG(num_errors) = 0;
1616 }
1617
zend_throw_error(zend_class_entry * exception_ce,const char * format,...)1618 ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */
1619 {
1620 va_list va;
1621 char *message = NULL;
1622
1623 if (!exception_ce) {
1624 exception_ce = zend_ce_error;
1625 }
1626
1627 /* Marker used to disable exception generation during preloading. */
1628 if (EG(exception) == (void*)(uintptr_t)-1) {
1629 return;
1630 }
1631
1632 va_start(va, format);
1633 zend_vspprintf(&message, 0, format, va);
1634
1635 //TODO: we can't convert compile-time errors to exceptions yet???
1636 if (EG(current_execute_data) && !CG(in_compilation)) {
1637 zend_throw_exception(exception_ce, message, 0);
1638 } else {
1639 zend_error(E_ERROR, "%s", message);
1640 }
1641
1642 efree(message);
1643 va_end(va);
1644 }
1645 /* }}} */
1646
zend_type_error(const char * format,...)1647 ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) /* {{{ */
1648 {
1649 va_list va;
1650 char *message = NULL;
1651
1652 va_start(va, format);
1653 zend_vspprintf(&message, 0, format, va);
1654 zend_throw_exception(zend_ce_type_error, message, 0);
1655 efree(message);
1656 va_end(va);
1657 } /* }}} */
1658
zend_argument_count_error(const char * format,...)1659 ZEND_API ZEND_COLD void zend_argument_count_error(const char *format, ...) /* {{{ */
1660 {
1661 va_list va;
1662 char *message = NULL;
1663
1664 va_start(va, format);
1665 zend_vspprintf(&message, 0, format, va);
1666 zend_throw_exception(zend_ce_argument_count_error, message, 0);
1667 efree(message);
1668
1669 va_end(va);
1670 } /* }}} */
1671
zend_value_error(const char * format,...)1672 ZEND_API ZEND_COLD void zend_value_error(const char *format, ...) /* {{{ */
1673 {
1674 va_list va;
1675 char *message = NULL;
1676
1677 va_start(va, format);
1678 zend_vspprintf(&message, 0, format, va);
1679 zend_throw_exception(zend_ce_value_error, message, 0);
1680 efree(message);
1681 va_end(va);
1682 } /* }}} */
1683
zend_output_debug_string(bool trigger_break,const char * format,...)1684 ZEND_API ZEND_COLD void zend_output_debug_string(bool trigger_break, const char *format, ...) /* {{{ */
1685 {
1686 #if ZEND_DEBUG
1687 va_list args;
1688
1689 va_start(args, format);
1690 # ifdef ZEND_WIN32
1691 {
1692 char output_buf[1024];
1693
1694 vsnprintf(output_buf, 1024, format, args);
1695 OutputDebugString(output_buf);
1696 OutputDebugString("\n");
1697 if (trigger_break && IsDebuggerPresent()) {
1698 DebugBreak();
1699 }
1700 }
1701 # else
1702 vfprintf(stderr, format, args);
1703 fprintf(stderr, "\n");
1704 # endif
1705 va_end(args);
1706 #endif
1707 }
1708 /* }}} */
1709
zend_user_exception_handler(void)1710 ZEND_API ZEND_COLD void zend_user_exception_handler(void) /* {{{ */
1711 {
1712 zval orig_user_exception_handler;
1713 zval params[1], retval2;
1714 zend_object *old_exception;
1715
1716 if (zend_is_unwind_exit(EG(exception))) {
1717 return;
1718 }
1719
1720 old_exception = EG(exception);
1721 EG(exception) = NULL;
1722 ZVAL_OBJ(¶ms[0], old_exception);
1723 ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler));
1724
1725 if (call_user_function(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params) == SUCCESS) {
1726 zval_ptr_dtor(&retval2);
1727 if (EG(exception)) {
1728 OBJ_RELEASE(EG(exception));
1729 EG(exception) = NULL;
1730 }
1731 OBJ_RELEASE(old_exception);
1732 } else {
1733 EG(exception) = old_exception;
1734 }
1735 } /* }}} */
1736
zend_execute_scripts(int type,zval * retval,int file_count,...)1737 ZEND_API zend_result zend_execute_scripts(int type, zval *retval, int file_count, ...) /* {{{ */
1738 {
1739 va_list files;
1740 int i;
1741 zend_file_handle *file_handle;
1742 zend_op_array *op_array;
1743 zend_result ret = SUCCESS;
1744
1745 va_start(files, file_count);
1746 for (i = 0; i < file_count; i++) {
1747 file_handle = va_arg(files, zend_file_handle *);
1748 if (!file_handle) {
1749 continue;
1750 }
1751
1752 if (ret == FAILURE) {
1753 continue;
1754 }
1755
1756 op_array = zend_compile_file(file_handle, type);
1757 if (file_handle->opened_path) {
1758 zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path);
1759 }
1760 if (op_array) {
1761 zend_execute(op_array, retval);
1762 zend_exception_restore();
1763 if (UNEXPECTED(EG(exception))) {
1764 if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
1765 zend_user_exception_handler();
1766 }
1767 if (EG(exception)) {
1768 ret = zend_exception_error(EG(exception), E_ERROR);
1769 }
1770 }
1771 zend_destroy_static_vars(op_array);
1772 destroy_op_array(op_array);
1773 efree_size(op_array, sizeof(zend_op_array));
1774 } else if (type==ZEND_REQUIRE) {
1775 ret = FAILURE;
1776 }
1777 }
1778 va_end(files);
1779
1780 return ret;
1781 }
1782 /* }}} */
1783
1784 #define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
1785
zend_make_compiled_string_description(const char * name)1786 ZEND_API char *zend_make_compiled_string_description(const char *name) /* {{{ */
1787 {
1788 const char *cur_filename;
1789 int cur_lineno;
1790 char *compiled_string_description;
1791
1792 if (zend_is_compiling()) {
1793 cur_filename = ZSTR_VAL(zend_get_compiled_filename());
1794 cur_lineno = zend_get_compiled_lineno();
1795 } else if (zend_is_executing()) {
1796 cur_filename = zend_get_executed_filename();
1797 cur_lineno = zend_get_executed_lineno();
1798 } else {
1799 cur_filename = "Unknown";
1800 cur_lineno = 0;
1801 }
1802
1803 zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
1804 return compiled_string_description;
1805 }
1806 /* }}} */
1807
free_estring(char ** str_p)1808 void free_estring(char **str_p) /* {{{ */
1809 {
1810 efree(*str_p);
1811 }
1812 /* }}} */
1813
zend_map_ptr_reset(void)1814 ZEND_API void zend_map_ptr_reset(void)
1815 {
1816 CG(map_ptr_last) = global_map_ptr_last;
1817 }
1818
zend_map_ptr_new(void)1819 ZEND_API void *zend_map_ptr_new(void)
1820 {
1821 void **ptr;
1822
1823 if (CG(map_ptr_last) >= CG(map_ptr_size)) {
1824 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1825 // TODO: error ???
1826 ZEND_UNREACHABLE();
1827 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1828 /* Grow map_ptr table */
1829 CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(CG(map_ptr_last) + 1, 4096);
1830 CG(map_ptr_real_base) = perealloc(CG(map_ptr_real_base), CG(map_ptr_size) * sizeof(void*), 1);
1831 CG(map_ptr_base) = ZEND_MAP_PTR_BIASED_BASE(CG(map_ptr_real_base));
1832 #else
1833 # error "Unknown ZEND_MAP_PTR_KIND"
1834 #endif
1835 }
1836 ptr = (void**)CG(map_ptr_real_base) + CG(map_ptr_last);
1837 *ptr = NULL;
1838 CG(map_ptr_last)++;
1839 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1840 return ptr;
1841 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1842 return ZEND_MAP_PTR_PTR2OFFSET(ptr);
1843 #else
1844 # error "Unknown ZEND_MAP_PTR_KIND"
1845 #endif
1846 }
1847
zend_map_ptr_extend(size_t last)1848 ZEND_API void zend_map_ptr_extend(size_t last)
1849 {
1850 if (last > CG(map_ptr_last)) {
1851 void **ptr;
1852
1853 if (last >= CG(map_ptr_size)) {
1854 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
1855 /* This may never happen */
1856 ZEND_UNREACHABLE();
1857 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
1858 /* Grow map_ptr table */
1859 CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(last, 4096);
1860 CG(map_ptr_real_base) = perealloc(CG(map_ptr_real_base), CG(map_ptr_size) * sizeof(void*), 1);
1861 CG(map_ptr_base) = ZEND_MAP_PTR_BIASED_BASE(CG(map_ptr_real_base));
1862 #else
1863 # error "Unknown ZEND_MAP_PTR_KIND"
1864 #endif
1865 }
1866 ptr = (void**)CG(map_ptr_real_base) + CG(map_ptr_last);
1867 memset(ptr, 0, (last - CG(map_ptr_last)) * sizeof(void*));
1868 CG(map_ptr_last) = last;
1869 }
1870 }
1871
zend_alloc_ce_cache(zend_string * type_name)1872 ZEND_API void zend_alloc_ce_cache(zend_string *type_name)
1873 {
1874 if (ZSTR_HAS_CE_CACHE(type_name) || !ZSTR_IS_INTERNED(type_name)) {
1875 return;
1876 }
1877
1878 if ((GC_FLAGS(type_name) & IS_STR_PERMANENT) && startup_done) {
1879 /* Don't allocate slot on permanent interned string outside module startup.
1880 * The cache slot would no longer be valid on the next request. */
1881 return;
1882 }
1883
1884 if (zend_string_equals_literal_ci(type_name, "self")
1885 || zend_string_equals_literal_ci(type_name, "parent")) {
1886 return;
1887 }
1888
1889 /* We use the refcount to keep map_ptr of corresponding type */
1890 uint32_t ret;
1891 do {
1892 ret = ZEND_MAP_PTR_NEW_OFFSET();
1893 } while (ret <= 2);
1894 GC_ADD_FLAGS(type_name, IS_STR_CLASS_NAME_MAP_PTR);
1895 GC_SET_REFCOUNT(type_name, ret);
1896 }
1897