1/*
2   +----------------------------------------------------------------------+
3   | Zend Engine                                                          |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 2.00 of the Zend license,     |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.zend.com/license/2_00.txt.                                |
11   | If you did not receive a copy of the Zend license and are unable to  |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@zend.com so we can mail you a copy immediately.              |
14   +----------------------------------------------------------------------+
15   | Authors: Andi Gutmans <andi@zend.com>                                |
16   |          Zeev Suraski <zeev@zend.com>                                |
17   +----------------------------------------------------------------------+
18*/
19
20/* $Id$ */
21
22#include "zend.h"
23#include "zend_extensions.h"
24#include "zend_modules.h"
25#include "zend_constants.h"
26#include "zend_list.h"
27#include "zend_API.h"
28#include "zend_exceptions.h"
29#include "zend_builtin_functions.h"
30#include "zend_ini.h"
31#include "zend_vm.h"
32#include "zend_dtrace.h"
33#include "zend_virtual_cwd.h"
34
35#ifdef ZTS
36# define GLOBAL_FUNCTION_TABLE		global_function_table
37# define GLOBAL_CLASS_TABLE			global_class_table
38# define GLOBAL_CONSTANTS_TABLE		global_constants_table
39# define GLOBAL_AUTO_GLOBALS_TABLE	global_auto_globals_table
40#else
41# define GLOBAL_FUNCTION_TABLE		CG(function_table)
42# define GLOBAL_CLASS_TABLE			CG(class_table)
43# define GLOBAL_AUTO_GLOBALS_TABLE	CG(auto_globals)
44# define GLOBAL_CONSTANTS_TABLE		EG(zend_constants)
45#endif
46
47/* true multithread-shared globals */
48ZEND_API zend_class_entry *zend_standard_class_def = NULL;
49ZEND_API size_t (*zend_printf)(const char *format, ...);
50ZEND_API zend_write_func_t zend_write;
51ZEND_API FILE *(*zend_fopen)(const char *filename, zend_string **opened_path);
52ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle);
53ZEND_API void (*zend_block_interruptions)(void);
54ZEND_API void (*zend_unblock_interruptions)(void);
55ZEND_API void (*zend_ticks_function)(int ticks);
56ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args);
57size_t (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
58zend_string *(*zend_vstrpprintf)(size_t max_len, const char *format, va_list ap);
59ZEND_API char *(*zend_getenv)(char *name, size_t name_len);
60ZEND_API zend_string *(*zend_resolve_path)(const char *filename, int filename_len);
61
62void (*zend_on_timeout)(int seconds);
63
64static void (*zend_message_dispatcher_p)(zend_long message, const void *data);
65static zval *(*zend_get_configuration_directive_p)(zend_string *name);
66
67static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
68{
69	if (!new_value) {
70		EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
71	} else {
72		EG(error_reporting) = atoi(ZSTR_VAL(new_value));
73	}
74	return SUCCESS;
75}
76/* }}} */
77
78static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
79{
80	OnUpdateBool(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
81
82	if (GC_G(gc_enabled)) {
83		gc_init();
84	}
85
86	return SUCCESS;
87}
88/* }}} */
89
90static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
91{
92	if (!CG(multibyte)) {
93		return FAILURE;
94	}
95	if (!zend_multibyte_get_functions()) {
96		return SUCCESS;
97	}
98	return zend_multibyte_set_script_encoding_by_string(new_value ? ZSTR_VAL(new_value) : NULL, new_value ? ZSTR_LEN(new_value) : 0);
99}
100/* }}} */
101
102static ZEND_INI_MH(OnUpdateAssertions) /* {{{ */
103{
104	zend_long *p, val;
105#ifndef ZTS
106	char *base = (char *) mh_arg2;
107#else
108	char *base;
109
110	base = (char *) ts_resource(*((int *) mh_arg2));
111#endif
112
113	p = (zend_long *) (base+(size_t) mh_arg1);
114
115	val = zend_atol(ZSTR_VAL(new_value), (int)ZSTR_LEN(new_value));
116
117	if (stage != ZEND_INI_STAGE_STARTUP &&
118	    stage != ZEND_INI_STAGE_SHUTDOWN &&
119	    *p != val &&
120	    (*p < 0 || val < 0)) {
121		zend_error(E_WARNING, "zend.assertions may be completely enabled or disabled only in php.ini");
122		return FAILURE;
123	}
124
125	*p = val;
126	return SUCCESS;
127}
128/* }}} */
129
130ZEND_INI_BEGIN()
131	ZEND_INI_ENTRY("error_reporting",				NULL,		ZEND_INI_ALL,		OnUpdateErrorReporting)
132	STD_ZEND_INI_ENTRY("zend.assertions",				"1",    ZEND_INI_ALL,       OnUpdateAssertions,           assertions,   zend_executor_globals,  executor_globals)
133	STD_ZEND_INI_BOOLEAN("zend.enable_gc",				"1",	ZEND_INI_ALL,		OnUpdateGCEnabled,      gc_enabled,     zend_gc_globals,        gc_globals)
134 	STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte,      zend_compiler_globals, compiler_globals)
135 	ZEND_INI_ENTRY("zend.script_encoding",			NULL,		ZEND_INI_ALL,		OnUpdateScriptEncoding)
136 	STD_ZEND_INI_BOOLEAN("zend.detect_unicode",			"1",	ZEND_INI_ALL,		OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
137#ifdef ZEND_SIGNALS
138	STD_ZEND_INI_BOOLEAN("zend.signal_check", "0", ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
139#endif
140ZEND_INI_END()
141
142
143#ifdef ZTS
144ZEND_API int compiler_globals_id;
145ZEND_API int executor_globals_id;
146static HashTable *global_function_table = NULL;
147static HashTable *global_class_table = NULL;
148static HashTable *global_constants_table = NULL;
149static HashTable *global_auto_globals_table = NULL;
150static HashTable *global_persistent_list = NULL;
151ZEND_TSRMLS_CACHE_DEFINE()
152#endif
153
154ZEND_API zend_utility_values zend_uv;
155
156/* version information */
157static char *zend_version_info;
158static uint zend_version_info_length;
159#define ZEND_CORE_VERSION_INFO	"Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2016 Zend Technologies\n"
160#define PRINT_ZVAL_INDENT 4
161
162static void print_hash(zend_write_func_t write_func, HashTable *ht, int indent, zend_bool is_object) /* {{{ */
163{
164	zval *tmp;
165	zend_string *string_key;
166	zend_ulong num_key;
167	int i;
168
169	for (i = 0; i < indent; i++) {
170		ZEND_PUTS_EX(" ");
171	}
172	ZEND_PUTS_EX("(\n");
173	indent += PRINT_ZVAL_INDENT;
174	ZEND_HASH_FOREACH_KEY_VAL(ht, num_key, string_key, tmp) {
175		if (Z_TYPE_P(tmp) == IS_INDIRECT) {
176			tmp = Z_INDIRECT_P(tmp);
177			if (Z_TYPE_P(tmp) == IS_UNDEF) {
178				continue;
179			}
180		}
181		for (i = 0; i < indent; i++) {
182			ZEND_PUTS_EX(" ");
183		}
184		ZEND_PUTS_EX("[");
185		if (string_key) {
186			if (is_object) {
187				const char *prop_name, *class_name;
188				size_t prop_len;
189				int mangled = zend_unmangle_property_name_ex(string_key, &class_name, &prop_name, &prop_len);
190
191				ZEND_WRITE_EX(prop_name, prop_len);
192				if (class_name && mangled == SUCCESS) {
193					if (class_name[0]=='*') {
194						ZEND_PUTS_EX(":protected");
195					} else {
196						ZEND_PUTS_EX(":");
197						ZEND_PUTS_EX(class_name);
198						ZEND_PUTS_EX(":private");
199					}
200				}
201			} else {
202				ZEND_WRITE_EX(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
203			}
204		} else {
205			char key[25];
206			snprintf(key, sizeof(key), ZEND_LONG_FMT, num_key);
207			ZEND_PUTS_EX(key);
208		}
209		ZEND_PUTS_EX("] => ");
210		zend_print_zval_r_ex(write_func, tmp, indent+PRINT_ZVAL_INDENT);
211		ZEND_PUTS_EX("\n");
212	} ZEND_HASH_FOREACH_END();
213	indent -= PRINT_ZVAL_INDENT;
214	for (i = 0; i < indent; i++) {
215		ZEND_PUTS_EX(" ");
216	}
217	ZEND_PUTS_EX(")\n");
218}
219/* }}} */
220
221static void print_flat_hash(HashTable *ht) /* {{{ */
222{
223	zval *tmp;
224	zend_string *string_key;
225	zend_ulong num_key;
226	int i = 0;
227
228	ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
229		if (i++ > 0) {
230			ZEND_PUTS(",");
231		}
232		ZEND_PUTS("[");
233		if (string_key) {
234			ZEND_WRITE(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
235		} else {
236			zend_printf(ZEND_ULONG_FMT, num_key);
237		}
238		ZEND_PUTS("] => ");
239		zend_print_flat_zval_r(tmp);
240	} ZEND_HASH_FOREACH_END();
241}
242/* }}} */
243
244ZEND_API int zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */
245{
246	if (Z_TYPE_P(expr) == IS_STRING) {
247		return 0;
248	} else {
249		ZVAL_STR(expr_copy, _zval_get_string_func(expr));
250		return 1;
251	}
252}
253/* }}} */
254
255ZEND_API size_t zend_print_zval(zval *expr, int indent) /* {{{ */
256{
257	return zend_print_zval_ex(zend_write, expr, indent);
258}
259/* }}} */
260
261ZEND_API size_t zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent) /* {{{ */
262{
263	zend_string *str = zval_get_string(expr);
264	size_t len = ZSTR_LEN(str);
265
266	if (len != 0) {
267		write_func(ZSTR_VAL(str), len);
268	}
269
270	zend_string_release(str);
271	return len;
272}
273/* }}} */
274
275ZEND_API void zend_print_flat_zval_r(zval *expr) /* {{{ */
276{
277	switch (Z_TYPE_P(expr)) {
278		case IS_ARRAY:
279			ZEND_PUTS("Array (");
280			if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr)) &&
281			    ++Z_ARRVAL_P(expr)->u.v.nApplyCount>1) {
282				ZEND_PUTS(" *RECURSION*");
283				Z_ARRVAL_P(expr)->u.v.nApplyCount--;
284				return;
285			}
286			print_flat_hash(Z_ARRVAL_P(expr));
287			ZEND_PUTS(")");
288			if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr))) {
289				Z_ARRVAL_P(expr)->u.v.nApplyCount--;
290			}
291			break;
292		case IS_OBJECT:
293		{
294			HashTable *properties = NULL;
295			zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
296			zend_printf("%s Object (", ZSTR_VAL(class_name));
297			zend_string_release(class_name);
298
299			if (Z_OBJ_APPLY_COUNT_P(expr) > 0) {
300				ZEND_PUTS(" *RECURSION*");
301				return;
302			}
303
304			if (Z_OBJ_HANDLER_P(expr, get_properties)) {
305				properties = Z_OBJPROP_P(expr);
306			}
307			if (properties) {
308				Z_OBJ_INC_APPLY_COUNT_P(expr);
309				print_flat_hash(properties);
310				Z_OBJ_DEC_APPLY_COUNT_P(expr);
311			}
312			ZEND_PUTS(")");
313			break;
314		}
315		default:
316			zend_print_variable(expr);
317			break;
318	}
319}
320/* }}} */
321
322ZEND_API void zend_print_zval_r(zval *expr, int indent) /* {{{ */
323{
324	zend_print_zval_r_ex(zend_write, expr, indent);
325}
326/* }}} */
327
328ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent) /* {{{ */
329{
330	ZVAL_DEREF(expr);
331	switch (Z_TYPE_P(expr)) {
332		case IS_ARRAY:
333			ZEND_PUTS_EX("Array\n");
334			if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr)) &&
335			    ++Z_ARRVAL_P(expr)->u.v.nApplyCount>1) {
336				ZEND_PUTS_EX(" *RECURSION*");
337				Z_ARRVAL_P(expr)->u.v.nApplyCount--;
338				return;
339			}
340			print_hash(write_func, Z_ARRVAL_P(expr), indent, 0);
341			if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr))) {
342				Z_ARRVAL_P(expr)->u.v.nApplyCount--;
343			}
344			break;
345		case IS_OBJECT:
346			{
347				HashTable *properties;
348				int is_temp;
349
350				zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
351				ZEND_PUTS_EX(ZSTR_VAL(class_name));
352				zend_string_release(class_name);
353
354				ZEND_PUTS_EX(" Object\n");
355				if (Z_OBJ_APPLY_COUNT_P(expr) > 0) {
356					ZEND_PUTS_EX(" *RECURSION*");
357					return;
358				}
359				if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) {
360					break;
361				}
362
363				Z_OBJ_INC_APPLY_COUNT_P(expr);
364				print_hash(write_func, properties, indent, 1);
365				Z_OBJ_DEC_APPLY_COUNT_P(expr);
366
367				if (is_temp) {
368					zend_hash_destroy(properties);
369					FREE_HASHTABLE(properties);
370				}
371				break;
372			}
373		default:
374			zend_print_zval_ex(write_func, expr, indent);
375			break;
376	}
377}
378/* }}} */
379
380static FILE *zend_fopen_wrapper(const char *filename, zend_string **opened_path) /* {{{ */
381{
382	if (opened_path) {
383		*opened_path = zend_string_init(filename, strlen(filename), 0);
384	}
385	return fopen(filename, "rb");
386}
387/* }}} */
388
389#ifdef ZTS
390static zend_bool short_tags_default      = 1;
391static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
392#else
393# define short_tags_default			1
394# define compiler_options_default	ZEND_COMPILE_DEFAULT
395#endif
396
397static void zend_set_default_compile_time_values(void) /* {{{ */
398{
399	/* default compile-time values */
400	CG(short_tags) = short_tags_default;
401	CG(compiler_options) = compiler_options_default;
402}
403/* }}} */
404
405#ifdef ZEND_WIN32
406static void zend_get_windows_version_info(OSVERSIONINFOEX *osvi) /* {{{ */
407{
408	ZeroMemory(osvi, sizeof(OSVERSIONINFOEX));
409	osvi->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
410	if(!GetVersionEx((OSVERSIONINFO *) osvi)) {
411		ZEND_ASSERT(0); /* Should not happen as sizeof is used. */
412	}
413}
414/* }}} */
415#endif
416
417static void zend_init_exception_op(void) /* {{{ */
418{
419	memset(EG(exception_op), 0, sizeof(EG(exception_op)));
420	EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
421	EG(exception_op)[0].op1_type = IS_UNUSED;
422	EG(exception_op)[0].op2_type = IS_UNUSED;
423	EG(exception_op)[0].result_type = IS_UNUSED;
424	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
425	EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
426	EG(exception_op)[1].op1_type = IS_UNUSED;
427	EG(exception_op)[1].op2_type = IS_UNUSED;
428	EG(exception_op)[1].result_type = IS_UNUSED;
429	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
430	EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
431	EG(exception_op)[2].op1_type = IS_UNUSED;
432	EG(exception_op)[2].op2_type = IS_UNUSED;
433	EG(exception_op)[2].result_type = IS_UNUSED;
434	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
435}
436/* }}} */
437
438static void zend_init_call_trampoline_op(void) /* {{{ */
439{
440	memset(&EG(call_trampoline_op), 0, sizeof(EG(call_trampoline_op)));
441	EG(call_trampoline_op).opcode = ZEND_CALL_TRAMPOLINE;
442	EG(call_trampoline_op).op1_type = IS_UNUSED;
443	EG(call_trampoline_op).op2_type = IS_UNUSED;
444	EG(call_trampoline_op).result_type = IS_UNUSED;
445	ZEND_VM_SET_OPCODE_HANDLER(&EG(call_trampoline_op));
446}
447/* }}} */
448
449static void auto_global_dtor(zval *zv) /* {{{ */
450{
451	free(Z_PTR_P(zv));
452}
453/* }}} */
454
455#ifdef ZTS
456static void function_copy_ctor(zval *zv) /* {{{ */
457{
458	zend_function *old_func = Z_FUNC_P(zv);
459	Z_FUNC_P(zv) = pemalloc(sizeof(zend_internal_function), 1);
460	memcpy(Z_FUNC_P(zv), old_func, sizeof(zend_internal_function));
461	function_add_ref(Z_FUNC_P(zv));
462}
463/* }}} */
464
465static void auto_global_copy_ctor(zval *zv) /* {{{ */
466{
467	zend_auto_global *old_ag = (zend_auto_global *) Z_PTR_P(zv);
468	zend_auto_global *new_ag = pemalloc(sizeof(zend_auto_global), 1);
469
470	new_ag->name = old_ag->name;
471	new_ag->auto_global_callback = old_ag->auto_global_callback;
472	new_ag->jit = old_ag->jit;
473
474	Z_PTR_P(zv) = new_ag;
475}
476/* }}} */
477
478static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{{ */
479{
480	compiler_globals->compiled_filename = NULL;
481
482	compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
483	zend_hash_init_ex(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
484	zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);
485
486	compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
487	zend_hash_init_ex(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
488	zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);
489
490	zend_set_default_compile_time_values();
491
492	compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
493	zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1, 0);
494	zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);
495
496	compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
497	if (compiler_globals->last_static_member) {
498		compiler_globals->static_members_table = calloc(compiler_globals->last_static_member, sizeof(zval*));
499	} else {
500		compiler_globals->static_members_table = NULL;
501	}
502	compiler_globals->script_encoding_list = NULL;
503
504	zend_interned_empty_string_init(&compiler_globals->empty_string);
505
506	memset(compiler_globals->one_char_string, 0, sizeof(compiler_globals->one_char_string));
507}
508/* }}} */
509
510static void compiler_globals_dtor(zend_compiler_globals *compiler_globals) /* {{{ */
511{
512	if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
513		zend_hash_destroy(compiler_globals->function_table);
514		free(compiler_globals->function_table);
515	}
516	if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
517		zend_hash_destroy(compiler_globals->class_table);
518		free(compiler_globals->class_table);
519	}
520	if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
521		zend_hash_destroy(compiler_globals->auto_globals);
522		free(compiler_globals->auto_globals);
523	}
524	if (compiler_globals->static_members_table) {
525		free(compiler_globals->static_members_table);
526	}
527	if (compiler_globals->script_encoding_list) {
528		pefree((char*)compiler_globals->script_encoding_list, 1);
529	}
530	compiler_globals->last_static_member = 0;
531
532	zend_interned_empty_string_free(&compiler_globals->empty_string);
533}
534/* }}} */
535
536static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */
537{
538	ZEND_TSRMLS_CACHE_UPDATE();
539
540	zend_startup_constants();
541	zend_copy_constants(EG(zend_constants), GLOBAL_CONSTANTS_TABLE);
542	zend_init_rsrc_plist();
543	zend_init_exception_op();
544	zend_init_call_trampoline_op();
545	memset(&executor_globals->trampoline, 0, sizeof(zend_op_array));
546	executor_globals->lambda_count = 0;
547	ZVAL_UNDEF(&executor_globals->user_error_handler);
548	ZVAL_UNDEF(&executor_globals->user_exception_handler);
549	executor_globals->in_autoload = NULL;
550	executor_globals->current_execute_data = NULL;
551	executor_globals->current_module = NULL;
552	executor_globals->exit_status = 0;
553#if XPFPA_HAVE_CW
554	executor_globals->saved_fpu_cw = 0;
555#endif
556	executor_globals->saved_fpu_cw_ptr = NULL;
557	executor_globals->active = 0;
558	executor_globals->bailout = NULL;
559	executor_globals->error_handling  = EH_NORMAL;
560	executor_globals->exception_class = NULL;
561	executor_globals->exception = NULL;
562	executor_globals->objects_store.object_buckets = NULL;
563#ifdef ZEND_WIN32
564	zend_get_windows_version_info(&executor_globals->windows_version_info);
565#endif
566}
567/* }}} */
568
569static void executor_globals_dtor(zend_executor_globals *executor_globals) /* {{{ */
570{
571	zend_ini_dtor(executor_globals->ini_directives);
572
573	if (&executor_globals->persistent_list != global_persistent_list) {
574		zend_destroy_rsrc_list(&executor_globals->persistent_list);
575	}
576	if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
577		zend_hash_destroy(executor_globals->zend_constants);
578		free(executor_globals->zend_constants);
579	}
580}
581/* }}} */
582
583static void zend_new_thread_end_handler(THREAD_T thread_id) /* {{{ */
584{
585	if (zend_copy_ini_directives() == SUCCESS) {
586		zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP);
587	}
588}
589/* }}} */
590#endif
591
592#if defined(__FreeBSD__) || defined(__DragonFly__)
593/* FreeBSD and DragonFly floating point precision fix */
594#include <floatingpoint.h>
595#endif
596
597static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p) /* {{{ */
598{
599	memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
600}
601/* }}} */
602
603static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p) /* {{{ */
604{
605	memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
606}
607/* }}} */
608
609void zend_init_opcodes_handlers(void);
610
611static void module_destructor_zval(zval *zv) /* {{{ */
612{
613	zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);
614
615	module_destructor(module);
616	free(module);
617}
618/* }}} */
619
620static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
621{
622	zval globals;
623
624	ZVAL_ARR(&globals, &EG(symbol_table));
625	Z_TYPE_INFO_P(&globals) = IS_ARRAY;
626	ZVAL_NEW_REF(&globals, &globals);
627	zend_hash_update(&EG(symbol_table), name, &globals);
628	return 0;
629}
630/* }}} */
631
632int zend_startup(zend_utility_functions *utility_functions, char **extensions) /* {{{ */
633{
634#ifdef ZTS
635	zend_compiler_globals *compiler_globals;
636	zend_executor_globals *executor_globals;
637	extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
638	extern ZEND_API ts_rsrc_id language_scanner_globals_id;
639	ZEND_TSRMLS_CACHE_UPDATE();
640#else
641	extern zend_ini_scanner_globals ini_scanner_globals;
642	extern zend_php_scanner_globals language_scanner_globals;
643#endif
644
645	start_memory_manager();
646
647	virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
648
649#if defined(__FreeBSD__) || defined(__DragonFly__)
650	/* FreeBSD and DragonFly floating point precision fix */
651	fpsetmask(0);
652#endif
653
654	zend_startup_strtod();
655	zend_startup_extensions_mechanism();
656
657	/* Set up utility functions and values */
658	zend_error_cb = utility_functions->error_function;
659	zend_printf = utility_functions->printf_function;
660	zend_write = (zend_write_func_t) utility_functions->write_function;
661	zend_fopen = utility_functions->fopen_function;
662	if (!zend_fopen) {
663		zend_fopen = zend_fopen_wrapper;
664	}
665	zend_stream_open_function = utility_functions->stream_open_function;
666	zend_message_dispatcher_p = utility_functions->message_handler;
667#ifndef ZEND_SIGNALS
668	zend_block_interruptions = utility_functions->block_interruptions;
669	zend_unblock_interruptions = utility_functions->unblock_interruptions;
670#endif
671	zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
672	zend_ticks_function = utility_functions->ticks_function;
673	zend_on_timeout = utility_functions->on_timeout;
674	zend_vspprintf = utility_functions->vspprintf_function;
675	zend_vstrpprintf = utility_functions->vstrpprintf_function;
676	zend_getenv = utility_functions->getenv_function;
677	zend_resolve_path = utility_functions->resolve_path_function;
678
679#if HAVE_DTRACE
680/* build with dtrace support */
681	zend_compile_file = dtrace_compile_file;
682	zend_execute_ex = dtrace_execute_ex;
683	zend_execute_internal = dtrace_execute_internal;
684#else
685	zend_compile_file = compile_file;
686	zend_execute_ex = execute_ex;
687	zend_execute_internal = NULL;
688#endif /* HAVE_SYS_SDT_H */
689	zend_compile_string = compile_string;
690	zend_throw_exception_hook = NULL;
691
692	/* Set up the default garbage collection implementation. */
693	gc_collect_cycles = zend_gc_collect_cycles;
694
695	zend_init_opcodes_handlers();
696
697	/* set up version */
698	zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
699	zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
700
701	GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
702	GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
703	GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
704	GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
705
706	zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
707	zend_hash_init_ex(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
708	zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1, 0);
709	zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1, 0);
710
711	zend_hash_init_ex(&module_registry, 32, NULL, module_destructor_zval, 1, 0);
712	zend_init_rsrc_list_dtors();
713
714#ifdef ZTS
715	ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
716	ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
717	ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
718	ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
719	compiler_globals = ts_resource(compiler_globals_id);
720	executor_globals = ts_resource(executor_globals_id);
721
722	compiler_globals_dtor(compiler_globals);
723	compiler_globals->in_compilation = 0;
724	compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
725	compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
726
727	*compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
728	*compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
729	compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
730
731	zend_hash_destroy(executor_globals->zend_constants);
732	*executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
733#else
734	ini_scanner_globals_ctor(&ini_scanner_globals);
735	php_scanner_globals_ctor(&language_scanner_globals);
736	zend_set_default_compile_time_values();
737#ifdef ZEND_WIN32
738	zend_get_windows_version_info(&EG(windows_version_info));
739#endif
740#endif
741	EG(error_reporting) = E_ALL & ~E_NOTICE;
742
743	zend_interned_strings_init();
744	zend_startup_builtin_functions();
745	zend_register_standard_constants();
746	zend_register_auto_global(zend_string_init("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals);
747
748#ifndef ZTS
749	zend_init_rsrc_plist();
750	zend_init_exception_op();
751	zend_init_call_trampoline_op();
752#endif
753
754	zend_ini_startup();
755
756#ifdef ZTS
757	tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
758#endif
759
760	return SUCCESS;
761}
762/* }}} */
763
764void zend_register_standard_ini_entries(void) /* {{{ */
765{
766	int module_number = 0;
767
768	REGISTER_INI_ENTRIES();
769}
770/* }}} */
771
772/* Unlink the global (r/o) copies of the class, function and constant tables,
773 * and use a fresh r/w copy for the startup thread
774 */
775void zend_post_startup(void) /* {{{ */
776{
777#ifdef ZTS
778	zend_encoding **script_encoding_list;
779
780	zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
781	zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
782
783	*GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
784	*GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
785	*GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
786
787	short_tags_default = CG(short_tags);
788	compiler_options_default = CG(compiler_options);
789
790	zend_destroy_rsrc_list(&EG(persistent_list));
791	free(compiler_globals->function_table);
792	free(compiler_globals->class_table);
793	if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
794		compiler_globals_ctor(compiler_globals);
795		compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
796	} else {
797		compiler_globals_ctor(compiler_globals);
798	}
799	free(EG(zend_constants));
800
801	virtual_cwd_deactivate();
802
803	executor_globals_ctor(executor_globals);
804	global_persistent_list = &EG(persistent_list);
805	zend_copy_ini_directives();
806#else
807	virtual_cwd_deactivate();
808#endif
809}
810/* }}} */
811
812void zend_shutdown(void) /* {{{ */
813{
814	zend_destroy_rsrc_list(&EG(persistent_list));
815	if (EG(active))
816	{
817		/*
818		 * The order of destruction is important here.
819		 * See bugs #65463 and 66036.
820		 */
821		zend_function *func;
822		zend_class_entry *ce;
823
824		ZEND_HASH_REVERSE_FOREACH_PTR(GLOBAL_FUNCTION_TABLE, func) {
825			if (func->type == ZEND_USER_FUNCTION) {
826				zend_cleanup_op_array_data((zend_op_array *) func);
827			}
828		} ZEND_HASH_FOREACH_END();
829		ZEND_HASH_REVERSE_FOREACH_PTR(GLOBAL_CLASS_TABLE, ce) {
830			if (ce->type == ZEND_USER_CLASS) {
831				zend_cleanup_user_class_data(ce);
832			} else {
833				break;
834			}
835		} ZEND_HASH_FOREACH_END();
836		zend_cleanup_internal_classes();
837		zend_hash_reverse_apply(GLOBAL_FUNCTION_TABLE, (apply_func_t) clean_non_persistent_function_full);
838		zend_hash_reverse_apply(GLOBAL_CLASS_TABLE, (apply_func_t) clean_non_persistent_class_full);
839	}
840	zend_destroy_modules();
841
842	virtual_cwd_deactivate();
843	virtual_cwd_shutdown();
844
845	zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
846	zend_hash_destroy(GLOBAL_CLASS_TABLE);
847
848	zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
849	free(GLOBAL_AUTO_GLOBALS_TABLE);
850
851	zend_shutdown_extensions();
852	free(zend_version_info);
853
854	free(GLOBAL_FUNCTION_TABLE);
855	free(GLOBAL_CLASS_TABLE);
856
857	zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
858	free(GLOBAL_CONSTANTS_TABLE);
859	zend_shutdown_strtod();
860
861#ifdef ZTS
862	GLOBAL_FUNCTION_TABLE = NULL;
863	GLOBAL_CLASS_TABLE = NULL;
864	GLOBAL_AUTO_GLOBALS_TABLE = NULL;
865	GLOBAL_CONSTANTS_TABLE = NULL;
866#endif
867	zend_destroy_rsrc_list_dtors();
868
869	zend_interned_strings_dtor();
870}
871/* }}} */
872
873void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
874{
875	zend_uv = *utility_values;
876	zend_uv.import_use_extension_length = (uint)strlen(zend_uv.import_use_extension);
877}
878/* }}} */
879
880/* this should be compatible with the standard zenderror */
881ZEND_COLD void zenderror(const char *error) /* {{{ */
882{
883	if (EG(exception)) {
884		/* An exception was thrown in the lexer, don't throw another in the parser. */
885		return;
886	}
887
888	zend_throw_exception(zend_ce_parse_error, error, 0);
889}
890/* }}} */
891
892BEGIN_EXTERN_C()
893ZEND_API ZEND_COLD void _zend_bailout(char *filename, uint lineno) /* {{{ */
894{
895
896	if (!EG(bailout)) {
897		zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
898		exit(-1);
899	}
900	CG(unclean_shutdown) = 1;
901	CG(active_class_entry) = NULL;
902	CG(in_compilation) = 0;
903	EG(current_execute_data) = NULL;
904	LONGJMP(*EG(bailout), FAILURE);
905}
906/* }}} */
907END_EXTERN_C()
908
909ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
910{
911	char *new_info;
912	uint new_info_length;
913
914	new_info_length = (uint)(sizeof("    with  v, , by \n")
915						+ strlen(extension->name)
916						+ strlen(extension->version)
917						+ strlen(extension->copyright)
918						+ strlen(extension->author));
919
920	new_info = (char *) malloc(new_info_length + 1);
921
922	snprintf(new_info, new_info_length, "    with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
923
924	zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
925	strncat(zend_version_info, new_info, new_info_length);
926	zend_version_info_length += new_info_length;
927	free(new_info);
928}
929/* }}} */
930
931ZEND_API char *get_zend_version(void) /* {{{ */
932{
933	return zend_version_info;
934}
935/* }}} */
936
937ZEND_API void zend_activate(void) /* {{{ */
938{
939#ifdef ZTS
940	virtual_cwd_activate();
941#endif
942	gc_reset();
943	init_compiler();
944	init_executor();
945	startup_scanner();
946}
947/* }}} */
948
949void zend_call_destructors(void) /* {{{ */
950{
951	zend_try {
952		shutdown_destructors();
953	} zend_end_try();
954}
955/* }}} */
956
957ZEND_API void zend_deactivate(void) /* {{{ */
958{
959	/* we're no longer executing anything */
960	EG(current_execute_data) = NULL;
961
962	zend_try {
963		shutdown_scanner();
964	} zend_end_try();
965
966	/* shutdown_executor() takes care of its own bailout handling */
967	shutdown_executor();
968
969	zend_try {
970		zend_ini_deactivate();
971	} zend_end_try();
972
973	zend_try {
974		shutdown_compiler();
975	} zend_end_try();
976
977	zend_destroy_rsrc_list(&EG(regular_list));
978
979#if GC_BENCH
980	fprintf(stderr, "GC Statistics\n");
981	fprintf(stderr, "-------------\n");
982	fprintf(stderr, "Runs:               %d\n", GC_G(gc_runs));
983	fprintf(stderr, "Collected:          %d\n", GC_G(collected));
984	fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
985	fprintf(stderr, "Root buffer peak:   %d\n\n", GC_G(root_buf_peak));
986	fprintf(stderr, "      Possible            Remove from  Marked\n");
987	fprintf(stderr, "        Root    Buffered     buffer     grey\n");
988	fprintf(stderr, "      --------  --------  -----------  ------\n");
989	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));
990#endif
991}
992/* }}} */
993
994BEGIN_EXTERN_C()
995ZEND_API void zend_message_dispatcher(zend_long message, const void *data) /* {{{ */
996{
997	if (zend_message_dispatcher_p) {
998		zend_message_dispatcher_p(message, data);
999	}
1000}
1001/* }}} */
1002END_EXTERN_C()
1003
1004ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
1005{
1006	if (zend_get_configuration_directive_p) {
1007		return zend_get_configuration_directive_p(name);
1008	} else {
1009		return NULL;
1010	}
1011}
1012/* }}} */
1013
1014#define SAVE_STACK(stack) do { \
1015		if (CG(stack).top) { \
1016			memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
1017			CG(stack).top = CG(stack).max = 0; \
1018			CG(stack).elements = NULL; \
1019		} else { \
1020			stack.top = 0; \
1021		} \
1022	} while (0)
1023
1024#define RESTORE_STACK(stack) do { \
1025		if (stack.top) { \
1026			zend_stack_destroy(&CG(stack)); \
1027			memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
1028		} \
1029	} while (0)
1030
1031#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1032ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
1033#else
1034static ZEND_COLD void zend_error_va_list(int type, const char *format, va_list args)
1035#endif
1036{
1037	char *str;
1038	int len;
1039#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1040	va_list args;
1041#endif
1042	va_list usr_copy;
1043	zval params[5];
1044	zval retval;
1045	const char *error_filename;
1046	uint error_lineno = 0;
1047	zval orig_user_error_handler;
1048	zend_bool in_compilation;
1049	zend_class_entry *saved_class_entry;
1050	zend_stack loop_var_stack;
1051	zend_stack delayed_oplines_stack;
1052	zend_array *symbol_table;
1053
1054	/* Report about uncaught exception in case of fatal errors */
1055	if (EG(exception)) {
1056		zend_execute_data *ex;
1057		const zend_op *opline;
1058
1059		switch (type) {
1060			case E_CORE_ERROR:
1061			case E_ERROR:
1062			case E_RECOVERABLE_ERROR:
1063			case E_PARSE:
1064			case E_COMPILE_ERROR:
1065			case E_USER_ERROR:
1066				ex = EG(current_execute_data);
1067				opline = NULL;
1068				while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
1069					ex = ex->prev_execute_data;
1070				}
1071				if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION &&
1072				    EG(opline_before_exception)) {
1073					opline = EG(opline_before_exception);
1074				}
1075				zend_exception_error(EG(exception), E_WARNING);
1076				EG(exception) = NULL;
1077				if (opline) {
1078					ex->opline = opline;
1079				}
1080				break;
1081			default:
1082				break;
1083		}
1084	}
1085
1086	/* Obtain relevant filename and lineno */
1087	switch (type) {
1088		case E_CORE_ERROR:
1089		case E_CORE_WARNING:
1090			error_filename = NULL;
1091			error_lineno = 0;
1092			break;
1093		case E_PARSE:
1094		case E_COMPILE_ERROR:
1095		case E_COMPILE_WARNING:
1096		case E_ERROR:
1097		case E_NOTICE:
1098		case E_STRICT:
1099		case E_DEPRECATED:
1100		case E_WARNING:
1101		case E_USER_ERROR:
1102		case E_USER_WARNING:
1103		case E_USER_NOTICE:
1104		case E_USER_DEPRECATED:
1105		case E_RECOVERABLE_ERROR:
1106			if (zend_is_compiling()) {
1107				error_filename = ZSTR_VAL(zend_get_compiled_filename());
1108				error_lineno = zend_get_compiled_lineno();
1109			} else if (zend_is_executing()) {
1110				error_filename = zend_get_executed_filename();
1111				if (error_filename[0] == '[') { /* [no active file] */
1112					error_filename = NULL;
1113					error_lineno = 0;
1114				} else {
1115					error_lineno = zend_get_executed_lineno();
1116				}
1117			} else {
1118				error_filename = NULL;
1119				error_lineno = 0;
1120			}
1121			break;
1122		default:
1123			error_filename = NULL;
1124			error_lineno = 0;
1125			break;
1126	}
1127	if (!error_filename) {
1128		error_filename = "Unknown";
1129	}
1130
1131#ifdef HAVE_DTRACE
1132	if (DTRACE_ERROR_ENABLED()) {
1133		char *dtrace_error_buffer;
1134#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1135		va_start(args, format);
1136#endif
1137		zend_vspprintf(&dtrace_error_buffer, 0, format, args);
1138		DTRACE_ERROR(dtrace_error_buffer, (char *)error_filename, error_lineno);
1139		efree(dtrace_error_buffer);
1140#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1141		va_end(args);
1142#endif
1143	}
1144#endif /* HAVE_DTRACE */
1145
1146#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1147	va_start(args, format);
1148#endif
1149
1150	/* if we don't have a user defined error handler */
1151	if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF
1152		|| !(EG(user_error_handler_error_reporting) & type)
1153		|| EG(error_handling) != EH_NORMAL) {
1154		zend_error_cb(type, error_filename, error_lineno, format, args);
1155	} else switch (type) {
1156		case E_ERROR:
1157		case E_PARSE:
1158		case E_CORE_ERROR:
1159		case E_CORE_WARNING:
1160		case E_COMPILE_ERROR:
1161		case E_COMPILE_WARNING:
1162			/* The error may not be safe to handle in user-space */
1163			zend_error_cb(type, error_filename, error_lineno, format, args);
1164			break;
1165		default:
1166			/* Handle the error in user space */
1167/* va_copy() is __va_copy() in old gcc versions.
1168 * According to the autoconf manual, using
1169 * memcpy(&dst, &src, sizeof(va_list))
1170 * gives maximum portability. */
1171#ifndef va_copy
1172# ifdef __va_copy
1173#  define va_copy(dest, src)	__va_copy((dest), (src))
1174# else
1175#  define va_copy(dest, src)	memcpy(&(dest), &(src), sizeof(va_list))
1176# endif
1177#endif
1178			va_copy(usr_copy, args);
1179			len = (int)zend_vspprintf(&str, 0, format, usr_copy);
1180			ZVAL_NEW_STR(&params[1], zend_string_init(str, len, 0));
1181			efree(str);
1182#ifdef va_copy
1183			va_end(usr_copy);
1184#endif
1185
1186			ZVAL_LONG(&params[0], type);
1187
1188			if (error_filename) {
1189				ZVAL_STRING(&params[2], error_filename);
1190			} else {
1191				ZVAL_NULL(&params[2]);
1192			}
1193
1194			ZVAL_LONG(&params[3], error_lineno);
1195
1196			symbol_table = zend_rebuild_symbol_table();
1197
1198			/* during shutdown the symbol table table can be still null */
1199			if (!symbol_table) {
1200				ZVAL_NULL(&params[4]);
1201			} else {
1202				ZVAL_ARR(&params[4], zend_array_dup(symbol_table));
1203			}
1204
1205			ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler));
1206			ZVAL_UNDEF(&EG(user_error_handler));
1207
1208			/* User error handler may include() additinal PHP files.
1209			 * If an error was generated during comilation PHP will compile
1210			 * such scripts recursivly, but some CG() variables may be
1211			 * inconsistent. */
1212
1213			in_compilation = CG(in_compilation);
1214			if (in_compilation) {
1215				saved_class_entry = CG(active_class_entry);
1216				CG(active_class_entry) = NULL;
1217				SAVE_STACK(loop_var_stack);
1218				SAVE_STACK(delayed_oplines_stack);
1219				CG(in_compilation) = 0;
1220			}
1221
1222			if (call_user_function_ex(CG(function_table), NULL, &orig_user_error_handler, &retval, 5, params, 1, NULL) == SUCCESS) {
1223				if (Z_TYPE(retval) != IS_UNDEF) {
1224					if (Z_TYPE(retval) == IS_FALSE) {
1225						zend_error_cb(type, error_filename, error_lineno, format, args);
1226					}
1227					zval_ptr_dtor(&retval);
1228				}
1229			} else if (!EG(exception)) {
1230				/* The user error handler failed, use built-in error handler */
1231				zend_error_cb(type, error_filename, error_lineno, format, args);
1232			}
1233
1234			if (in_compilation) {
1235				CG(active_class_entry) = saved_class_entry;
1236				RESTORE_STACK(loop_var_stack);
1237				RESTORE_STACK(delayed_oplines_stack);
1238				CG(in_compilation) = 1;
1239			}
1240
1241			zval_ptr_dtor(&params[4]);
1242			zval_ptr_dtor(&params[3]);
1243			zval_ptr_dtor(&params[2]);
1244			zval_ptr_dtor(&params[1]);
1245			zval_ptr_dtor(&params[0]);
1246
1247			if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) {
1248				ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler);
1249			} else {
1250				zval_ptr_dtor(&orig_user_error_handler);
1251			}
1252			break;
1253	}
1254
1255#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
1256	va_end(args);
1257#endif
1258
1259	if (type == E_PARSE) {
1260		/* eval() errors do not affect exit_status */
1261		if (!(EG(current_execute_data) &&
1262			EG(current_execute_data)->func &&
1263			ZEND_USER_CODE(EG(current_execute_data)->func->type) &&
1264			EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
1265			EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
1266			EG(exit_status) = 255;
1267		}
1268	}
1269}
1270/* }}} */
1271
1272#ifdef HAVE_NORETURN
1273# ifdef HAVE_NORETURN_ALIAS
1274ZEND_COLD void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
1275# else
1276ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
1277{
1278	va_list va;
1279
1280	va_start(va, format);
1281	zend_error_va_list(type, format, va);
1282	va_end(va);
1283}
1284
1285ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...)
1286{
1287	va_list va;
1288
1289	va_start(va, format);
1290	zend_error_va_list(type, format, va);
1291	va_end(va);
1292}
1293/* }}} */
1294# endif
1295#endif
1296
1297ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */
1298{
1299	va_list va;
1300	char *message = NULL;
1301
1302	if (exception_ce) {
1303		if (!instanceof_function(exception_ce, zend_ce_error)) {
1304			zend_error(E_NOTICE, "Error exceptions must be derived from Error");
1305			exception_ce = zend_ce_error;
1306		}
1307	} else {
1308		exception_ce = zend_ce_error;
1309	}
1310
1311	va_start(va, format);
1312	zend_vspprintf(&message, 0, format, va);
1313
1314	//TODO: we can't convert compile-time errors to exceptions yet???
1315	if (EG(current_execute_data) && !CG(in_compilation)) {
1316		zend_throw_exception(exception_ce, message, 0);
1317	} else {
1318		zend_error(E_ERROR, "%s", message);
1319	}
1320
1321	efree(message);
1322	va_end(va);
1323}
1324/* }}} */
1325
1326ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) /* {{{ */
1327{
1328	va_list va;
1329	char *message = NULL;
1330
1331	va_start(va, format);
1332	zend_vspprintf(&message, 0, format, va);
1333	zend_throw_exception(zend_ce_type_error, message, 0);
1334	efree(message);
1335	va_end(va);
1336} /* }}} */
1337
1338ZEND_API ZEND_COLD void zend_internal_type_error(zend_bool throw_exception, const char *format, ...) /* {{{ */
1339{
1340	va_list va;
1341	char *message = NULL;
1342
1343	va_start(va, format);
1344	zend_vspprintf(&message, 0, format, va);
1345	if (throw_exception) {
1346		zend_throw_exception(zend_ce_type_error, message, 0);
1347	} else {
1348		zend_error(E_WARNING, "%s", message);
1349	}
1350	efree(message);
1351
1352	va_end(va);
1353} /* }}} */
1354
1355ZEND_API ZEND_COLD void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
1356{
1357#if ZEND_DEBUG
1358	va_list args;
1359
1360	va_start(args, format);
1361#	ifdef ZEND_WIN32
1362	{
1363		char output_buf[1024];
1364
1365		vsnprintf(output_buf, 1024, format, args);
1366		OutputDebugString(output_buf);
1367		OutputDebugString("\n");
1368		if (trigger_break && IsDebuggerPresent()) {
1369			DebugBreak();
1370		}
1371	}
1372#	else
1373	vfprintf(stderr, format, args);
1374	fprintf(stderr, "\n");
1375#	endif
1376	va_end(args);
1377#endif
1378}
1379/* }}} */
1380
1381ZEND_API void zend_try_exception_handler() /* {{{ */
1382{
1383	if (EG(exception)) {
1384		if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
1385			zval orig_user_exception_handler;
1386			zval params[1], retval2;
1387			zend_object *old_exception;
1388			old_exception = EG(exception);
1389			EG(exception) = NULL;
1390			ZVAL_OBJ(&params[0], old_exception);
1391			ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler));
1392
1393			if (call_user_function_ex(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params, 1, NULL) == SUCCESS) {
1394				zval_ptr_dtor(&retval2);
1395				if (EG(exception)) {
1396					OBJ_RELEASE(EG(exception));
1397					EG(exception) = NULL;
1398				}
1399				OBJ_RELEASE(old_exception);
1400			} else {
1401				EG(exception) = old_exception;
1402			}
1403		}
1404	}
1405} /* }}} */
1406
1407ZEND_API int zend_execute_scripts(int type, zval *retval, int file_count, ...) /* {{{ */
1408{
1409	va_list files;
1410	int i;
1411	zend_file_handle *file_handle;
1412	zend_op_array *op_array;
1413
1414	va_start(files, file_count);
1415	for (i = 0; i < file_count; i++) {
1416		file_handle = va_arg(files, zend_file_handle *);
1417		if (!file_handle) {
1418			continue;
1419		}
1420
1421		op_array = zend_compile_file(file_handle, type);
1422		if (file_handle->opened_path) {
1423			zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path);
1424		}
1425		zend_destroy_file_handle(file_handle);
1426		if (op_array) {
1427			zend_execute(op_array, retval);
1428			zend_exception_restore();
1429			zend_try_exception_handler();
1430			if (EG(exception)) {
1431				zend_exception_error(EG(exception), E_ERROR);
1432			}
1433			destroy_op_array(op_array);
1434			efree_size(op_array, sizeof(zend_op_array));
1435		} else if (type==ZEND_REQUIRE) {
1436			va_end(files);
1437			return FAILURE;
1438		}
1439	}
1440	va_end(files);
1441
1442	return SUCCESS;
1443}
1444/* }}} */
1445
1446#define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
1447
1448ZEND_API char *zend_make_compiled_string_description(const char *name) /* {{{ */
1449{
1450	const char *cur_filename;
1451	int cur_lineno;
1452	char *compiled_string_description;
1453
1454	if (zend_is_compiling()) {
1455		cur_filename = ZSTR_VAL(zend_get_compiled_filename());
1456		cur_lineno = zend_get_compiled_lineno();
1457	} else if (zend_is_executing()) {
1458		cur_filename = zend_get_executed_filename();
1459		cur_lineno = zend_get_executed_lineno();
1460	} else {
1461		cur_filename = "Unknown";
1462		cur_lineno = 0;
1463	}
1464
1465	zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
1466	return compiled_string_description;
1467}
1468/* }}} */
1469
1470void free_estring(char **str_p) /* {{{ */
1471{
1472	efree(*str_p);
1473}
1474/* }}} */
1475
1476/*
1477 * Local variables:
1478 * tab-width: 4
1479 * c-basic-offset: 4
1480 * indent-tabs-mode: t
1481 * End:
1482 */
1483