text: /*
     +----------------------------------------------------------------------+
     | Zend Engine                                                          |
     +----------------------------------------------------------------------+
     | Copyright (c) Zend Technologies Ltd. (http://www.zend.com)           |
     +----------------------------------------------------------------------+
     | This source file is subject to version 2.00 of the Zend license,     |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.zend.com/license/2_00.txt.                                |
     | If you did not receive a copy of the Zend license and are unable to  |
     | obtain it through the world-wide-web, please send a note to          |
     | license@zend.com so we can mail you a copy immediately.              |
     +----------------------------------------------------------------------+
     | Authors: Andi Gutmans <andi@php.net>                                 |
     |          Zeev Suraski <zeev@php.net>                                 |
     +----------------------------------------------------------------------+
  */
  
  #include "zend.h"
  #include "zend_extensions.h"
  #include "zend_modules.h"
  #include "zend_constants.h"
  #include "zend_list.h"
  #include "zend_API.h"
  #include "zend_exceptions.h"
  #include "zend_builtin_functions.h"
  #include "zend_ini.h"
  #include "zend_vm.h"
  #include "zend_dtrace.h"
  #include "zend_virtual_cwd.h"
  #include "zend_smart_str.h"
  #include "zend_smart_string.h"
  #include "zend_cpuinfo.h"
  
  static size_t global_map_ptr_last = 0;
  
  #ifdef ZTS
  ZEND_API int compiler_globals_id;
  ZEND_API int executor_globals_id;
  static HashTable *global_function_table = NULL;
  static HashTable *global_class_table = NULL;
  static HashTable *global_constants_table = NULL;
  static HashTable *global_auto_globals_table = NULL;
  static HashTable *global_persistent_list = NULL;
  ZEND_TSRMLS_CACHE_DEFINE()
  # define GLOBAL_FUNCTION_TABLE		global_function_table
  # define GLOBAL_CLASS_TABLE			global_class_table
  # define GLOBAL_CONSTANTS_TABLE		global_constants_table
  # define GLOBAL_AUTO_GLOBALS_TABLE	global_auto_globals_table
  #else
  # define GLOBAL_FUNCTION_TABLE		CG(function_table)
  # define GLOBAL_CLASS_TABLE			CG(class_table)
  # define GLOBAL_AUTO_GLOBALS_TABLE	CG(auto_globals)
  # define GLOBAL_CONSTANTS_TABLE		EG(zend_constants)
  #endif
  
  ZEND_API zend_utility_values zend_uv;
  ZEND_API zend_bool zend_dtrace_enabled;
  
  /* version information */
  static char *zend_version_info;
  static uint32_t zend_version_info_length;
  #define ZEND_CORE_VERSION_INFO	"Zend Engine v" ZEND_VERSION ", Copyright (c) Zend Technologies\n"
  #define PRINT_ZVAL_INDENT 4
  
  /* true multithread-shared globals */
  ZEND_API zend_class_entry *zend_standard_class_def = NULL;
  ZEND_API size_t (*zend_printf)(const char *format, ...);
  ZEND_API zend_write_func_t zend_write;
  ZEND_API FILE *(*zend_fopen)(const char *filename, zend_string **opened_path);
  ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle);
  ZEND_API void (*zend_ticks_function)(int ticks);
  ZEND_API void (*zend_interrupt_function)(zend_execute_data *execute_data);
  ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint32_t error_lineno, const char *format, va_list args);
  void (*zend_printf_to_smart_string)(smart_string *buf, const char *format, va_list ap);
  void (*zend_printf_to_smart_str)(smart_str *buf, const char *format, va_list ap);
  ZEND_API char *(*zend_getenv)(char *name, size_t name_len);
  ZEND_API zend_string *(*zend_resolve_path)(const char *filename, size_t filename_len);
  ZEND_API int (*zend_post_startup_cb)(void) = NULL;
  ZEND_API void (*zend_post_shutdown_cb)(void) = NULL;
  
  void (*zend_on_timeout)(int seconds);
  
  static void (*zend_message_dispatcher_p)(zend_long message, const void *data);
  static zval *(*zend_get_configuration_directive_p)(zend_string *name);
  
  #if ZEND_RC_DEBUG
  ZEND_API zend_bool zend_rc_debug = 0;
  #endif
  
  static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
  {
  	if (!new_value) {
  		EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
  	} else {
  		EG(error_reporting) = atoi(ZSTR_VAL(new_value));
  	}
  	return SUCCESS;
  }
  /* }}} */
  
  static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
  {
  	zend_bool val;
  
  	val = zend_ini_parse_bool(new_value);
  	gc_enable(val);
  
  	return SUCCESS;
  }
  /* }}} */
  
  static ZEND_INI_DISP(zend_gc_enabled_displayer_cb) /* {{{ */
  {
  	if (gc_enabled()) {
  		ZEND_PUTS("On");
  	} else {
  		ZEND_PUTS("Off");
  	}
  }
  /* }}} */
  
  
  static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
  {
  	if (!CG(multibyte)) {
  		return FAILURE;
  	}
  	if (!zend_multibyte_get_functions()) {
  		return SUCCESS;
  	}
  	return zend_multibyte_set_script_encoding_by_string(new_value ? ZSTR_VAL(new_value) : NULL, new_value ? ZSTR_LEN(new_value) : 0);
  }
  /* }}} */
  
  static ZEND_INI_MH(OnUpdateAssertions) /* {{{ */
  {
  	zend_long *p, val;
  #ifndef ZTS
  	char *base = (char *) mh_arg2;
  #else
  	char *base;
  
  	base = (char *) ts_resource(*((int *) mh_arg2));
  #endif
  
  	p = (zend_long *) (base+(size_t) mh_arg1);
  
  	val = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));
  
  	if (stage != ZEND_INI_STAGE_STARTUP &&
  	    stage != ZEND_INI_STAGE_SHUTDOWN &&
  	    *p != val &&
  	    (*p < 0 || val < 0)) {
  		zend_error(E_WARNING, "zend.assertions may be completely enabled or disabled only in php.ini");
  		return FAILURE;
  	}
  
  	*p = val;
  	return SUCCESS;
  }
  /* }}} */
  
  ZEND_INI_BEGIN()
  	ZEND_INI_ENTRY("error_reporting",				NULL,		ZEND_INI_ALL,		OnUpdateErrorReporting)
  	STD_ZEND_INI_ENTRY("zend.assertions",				"1",    ZEND_INI_ALL,       OnUpdateAssertions,           assertions,   zend_executor_globals,  executor_globals)
  	ZEND_INI_ENTRY3_EX("zend.enable_gc",				"1",	ZEND_INI_ALL,		OnUpdateGCEnabled, NULL, NULL, NULL, zend_gc_enabled_displayer_cb)
   	STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte,      zend_compiler_globals, compiler_globals)
   	ZEND_INI_ENTRY("zend.script_encoding",			NULL,		ZEND_INI_ALL,		OnUpdateScriptEncoding)
   	STD_ZEND_INI_BOOLEAN("zend.detect_unicode",			"1",	ZEND_INI_ALL,		OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
  #ifdef ZEND_SIGNALS
  	STD_ZEND_INI_BOOLEAN("zend.signal_check", "0", ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
  #endif
  ZEND_INI_END()
  
  ZEND_API size_t zend_vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap) /* {{{ */
  {
  	smart_string buf = {0};
  
  	/* since there are places where (v)spprintf called without checking for null,
  	   a bit of defensive coding here */
  	if (!pbuf) {
  		return 0;
  	}
  
  	zend_printf_to_smart_string(&buf, format, ap);
  
  	if (max_len && buf.len > max_len) {
  		buf.len = max_len;
  	}
  
  	smart_string_0(&buf);
  
  	if (buf.c) {
  		*pbuf = buf.c;
  		return buf.len;
  	} else {
  		*pbuf = estrndup("", 0);
  		return 0;
  	}
  }
  /* }}} */
  
  ZEND_API size_t zend_spprintf(char **message, size_t max_len, const char *format, ...) /* {{{ */
  {
  	va_list arg;
  	size_t len;
  
  	va_start(arg, format);
  	len = zend_vspprintf(message, max_len, format, arg);
  	va_end(arg);
  	return len;
  }
  /* }}} */
  
  ZEND_API size_t zend_spprintf_unchecked(char **message, size_t max_len, const char *format, ...) /* {{{ */
  {
  	va_list arg;
  	size_t len;
  
  	va_start(arg, format);
  	len = zend_vspprintf(message, max_len, format, arg);
  	va_end(arg);
  	return len;
  }
  /* }}} */
  
  ZEND_API zend_string *zend_vstrpprintf(size_t max_len, const char *format, va_list ap) /* {{{ */
  {
  	smart_str buf = {0};
  
  	zend_printf_to_smart_str(&buf, format, ap);
  
  	if (!buf.s) {
  		return ZSTR_EMPTY_ALLOC();
  	}
  
  	if (max_len && ZSTR_LEN(buf.s) > max_len) {
  		ZSTR_LEN(buf.s) = max_len;
  	}
  
  	smart_str_0(&buf);
  	return buf.s;
  }
  /* }}} */
  
  ZEND_API zend_string *zend_strpprintf(size_t max_len, const char *format, ...) /* {{{ */
  {
  	va_list arg;
  	zend_string *str;
  
  	va_start(arg, format);
  	str = zend_vstrpprintf(max_len, format, arg);
  	va_end(arg);
  	return str;
  }
  /* }}} */
  
  ZEND_API zend_string *zend_strpprintf_unchecked(size_t max_len, const char *format, ...) /* {{{ */
  {
  	va_list arg;
  	zend_string *str;
  
  	va_start(arg, format);
  	str = zend_vstrpprintf(max_len, format, arg);
  	va_end(arg);
  	return str;
  }
  /* }}} */
  
  static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent);
  
  static void print_hash(smart_str *buf, HashTable *ht, int indent, zend_bool is_object) /* {{{ */
  {
  	zval *tmp;
  	zend_string *string_key;
  	zend_ulong num_key;
  	int i;
  
  	for (i = 0; i < indent; i++) {
  		smart_str_appendc(buf, ' ');
  	}
  	smart_str_appends(buf, "(\n");
  	indent += PRINT_ZVAL_INDENT;
  	ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
  		for (i = 0; i < indent; i++) {
  			smart_str_appendc(buf, ' ');
  		}
  		smart_str_appendc(buf, '[');
  		if (string_key) {
  			if (is_object) {
  				const char *prop_name, *class_name;
  				size_t prop_len;
  				int mangled = zend_unmangle_property_name_ex(string_key, &class_name, &prop_name, &prop_len);
  
  				smart_str_appendl(buf, prop_name, prop_len);
  				if (class_name && mangled == SUCCESS) {
  					if (class_name[0] == '*') {
  						smart_str_appends(buf, ":protected");
  					} else {
  						smart_str_appends(buf, ":");
  						smart_str_appends(buf, class_name);
  						smart_str_appends(buf, ":private");
  					}
  				}
  			} else {
  				smart_str_append(buf, string_key);
  			}
  		} else {
  			smart_str_append_long(buf, num_key);
  		}
  		smart_str_appends(buf, "] => ");
  		zend_print_zval_r_to_buf(buf, tmp, indent+PRINT_ZVAL_INDENT);
  		smart_str_appends(buf, "\n");
  	} ZEND_HASH_FOREACH_END();
  	indent -= PRINT_ZVAL_INDENT;
  	for (i = 0; i < indent; i++) {
  		smart_str_appendc(buf, ' ');
  	}
  	smart_str_appends(buf, ")\n");
  }
  /* }}} */
  
  static void print_flat_hash(HashTable *ht) /* {{{ */
  {
  	zval *tmp;
  	zend_string *string_key;
  	zend_ulong num_key;
  	int i = 0;
  
  	ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
  		if (i++ > 0) {
  			ZEND_PUTS(",");
  		}
  		ZEND_PUTS("[");
  		if (string_key) {
  			ZEND_WRITE(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
  		} else {
  			zend_printf(ZEND_ULONG_FMT, num_key);
  		}
  		ZEND_PUTS("] => ");
  		zend_print_flat_zval_r(tmp);
  	} ZEND_HASH_FOREACH_END();
  }
  /* }}} */
  
  ZEND_API int zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */
  {
  	if (Z_TYPE_P(expr) == IS_STRING) {
  		return 0;
  	} else {
  		ZVAL_STR(expr_copy, zval_get_string_func(expr));
  		return 1;
  	}
  }
  /* }}} */
  
  ZEND_API size_t zend_print_zval(zval *expr, int indent) /* {{{ */
  {
  	zend_string *tmp_str;
  	zend_string *str = zval_get_tmp_string(expr, &tmp_str);
  	size_t len = ZSTR_LEN(str);
  
  	if (len != 0) {
  		zend_write(ZSTR_VAL(str), len);
  	}
  
  	zend_tmp_string_release(tmp_str);
  	return len;
  }
  /* }}} */
  
  ZEND_API void zend_print_flat_zval_r(zval *expr) /* {{{ */
  {
  	switch (Z_TYPE_P(expr)) {
  		case IS_ARRAY:
  			ZEND_PUTS("Array (");
  			if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
  				if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
  					ZEND_PUTS(" *RECURSION*");
  					return;
  				}
  				GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
  			}
  			print_flat_hash(Z_ARRVAL_P(expr));
  			ZEND_PUTS(")");
  			if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
  				GC_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
  			}
  			break;
  		case IS_OBJECT:
  		{
  			HashTable *properties;
  			zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
  			zend_printf("%s Object (", ZSTR_VAL(class_name));
  			zend_string_release_ex(class_name, 0);
  
  			if (GC_IS_RECURSIVE(Z_COUNTED_P(expr))) {
  				ZEND_PUTS(" *RECURSION*");
  				return;
  			}
  
  			properties = Z_OBJPROP_P(expr);
  			if (properties) {
  				GC_PROTECT_RECURSION(Z_OBJ_P(expr));
  				print_flat_hash(properties);
  				GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
  			}
  			ZEND_PUTS(")");
  			break;
  		}
  		case IS_REFERENCE:
  			zend_print_flat_zval_r(Z_REFVAL_P(expr));
  			break;
  		default:
  			zend_print_zval(expr, 0);
  			break;
  	}
  }
  /* }}} */
  
  static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent) /* {{{ */
  {
  	switch (Z_TYPE_P(expr)) {
  		case IS_ARRAY:
  			smart_str_appends(buf, "Array\n");
  			if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
  				if (GC_IS_RECURSIVE(Z_ARRVAL_P(expr))) {
  					smart_str_appends(buf, " *RECURSION*");
  					return;
  				}
  				GC_PROTECT_RECURSION(Z_ARRVAL_P(expr));
  			}
  			print_hash(buf, Z_ARRVAL_P(expr), indent, 0);
  			if (!(GC_FLAGS(Z_ARRVAL_P(expr)) & GC_IMMUTABLE)) {
  				GC_UNPROTECT_RECURSION(Z_ARRVAL_P(expr));
  			}
  			break;
  		case IS_OBJECT:
  			{
  				HashTable *properties;
  
  				zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
  				smart_str_appends(buf, ZSTR_VAL(class_name));
  				zend_string_release_ex(class_name, 0);
  
  				smart_str_appends(buf, " Object\n");
  				if (GC_IS_RECURSIVE(Z_OBJ_P(expr))) {
  					smart_str_appends(buf, " *RECURSION*");
  					return;
  				}
  
  				if ((properties = zend_get_properties_for(expr, ZEND_PROP_PURPOSE_DEBUG)) == NULL) {
  					break;
  				}
  
  				GC_PROTECT_RECURSION(Z_OBJ_P(expr));
  				print_hash(buf, properties, indent, 1);
  				GC_UNPROTECT_RECURSION(Z_OBJ_P(expr));
  
  				zend_release_properties(properties);
  				break;
  			}
  		case IS_LONG:
  			smart_str_append_long(buf, Z_LVAL_P(expr));
  			break;
  		case IS_REFERENCE:
  			zend_print_zval_r_to_buf(buf, Z_REFVAL_P(expr), indent);
  			break;
  		case IS_STRING:
  			smart_str_append(buf, Z_STR_P(expr));
  			break;
  		default:
  			{
  				zend_string *str = zval_get_string_func(expr);
  				smart_str_append(buf, str);
  				zend_string_release_ex(str, 0);
  			}
  			break;
  	}
  }
  /* }}} */
  
  ZEND_API zend_string *zend_print_zval_r_to_str(zval *expr, int indent) /* {{{ */
  {
  	smart_str buf = {0};
  	zend_print_zval_r_to_buf(&buf, expr, indent);
  	smart_str_0(&buf);
  	return buf.s;
  }
  /* }}} */
  
  ZEND_API void zend_print_zval_r(zval *expr, int indent) /* {{{ */
  {
  	zend_string *str = zend_print_zval_r_to_str(expr, indent);
  	zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
  	zend_string_release_ex(str, 0);
  }
  /* }}} */
  
  static FILE *zend_fopen_wrapper(const char *filename, zend_string **opened_path) /* {{{ */
  {
  	if (opened_path) {
  		*opened_path = zend_string_init(filename, strlen(filename), 0);
  	}
  	return fopen(filename, "rb");
  }
  /* }}} */
  
  #ifdef ZTS
  static zend_bool short_tags_default      = 1;
  static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
  #else
  # define short_tags_default			1
  # define compiler_options_default	ZEND_COMPILE_DEFAULT
  #endif
  
  static void zend_set_default_compile_time_values(void) /* {{{ */
  {
  	/* default compile-time values */
  	CG(short_tags) = short_tags_default;
  	CG(compiler_options) = compiler_options_default;
  }
  /* }}} */
  
  #ifdef ZEND_WIN32
  static void zend_get_windows_version_info(OSVERSIONINFOEX *osvi) /* {{{ */
  {
  	ZeroMemory(osvi, sizeof(OSVERSIONINFOEX));
  	osvi->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
  	if(!GetVersionEx((OSVERSIONINFO *) osvi)) {
  		ZEND_ASSERT(0); /* Should not happen as sizeof is used. */
  	}
  }
  /* }}} */
  #endif
  
  static void zend_init_exception_op(void) /* {{{ */
  {
  	memset(EG(exception_op), 0, sizeof(EG(exception_op)));
  	EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
  	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
  	EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
  	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
  	EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
  	ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
  }
  /* }}} */
  
  static void zend_init_call_trampoline_op(void) /* {{{ */
  {
  	memset(&EG(call_trampoline_op), 0, sizeof(EG(call_trampoline_op)));
  	EG(call_trampoline_op).opcode = ZEND_CALL_TRAMPOLINE;
  	ZEND_VM_SET_OPCODE_HANDLER(&EG(call_trampoline_op));
  }
  /* }}} */
  
  static void auto_global_dtor(zval *zv) /* {{{ */
  {
  	free(Z_PTR_P(zv));
  }
  /* }}} */
  
  #ifdef ZTS
  static void function_copy_ctor(zval *zv) /* {{{ */
  {
  	zend_function *old_func = Z_FUNC_P(zv);
  	zend_function *func;
  
  	if (old_func->type == ZEND_USER_FUNCTION) {
  		ZEND_ASSERT(old_func->op_array.fn_flags & ZEND_ACC_IMMUTABLE);
  		return;
  	}
  	func = pemalloc(sizeof(zend_internal_function), 1);
  	Z_FUNC_P(zv) = func;
  	memcpy(func, old_func, sizeof(zend_internal_function));
  	function_add_ref(func);
  	if ((old_func->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))
  	 && old_func->common.arg_info) {
  		uint32_t i;
  		uint32_t num_args = old_func->common.num_args + 1;
  		zend_arg_info *arg_info = old_func->common.arg_info - 1;
  		zend_arg_info *new_arg_info;
  
  		if (old_func->common.fn_flags & ZEND_ACC_VARIADIC) {
  			num_args++;
  		}
  		new_arg_info = pemalloc(sizeof(zend_arg_info) * num_args, 1);
  		memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
  		for (i = 0 ; i < num_args; i++) {
  			if (ZEND_TYPE_IS_CLASS(arg_info[i].type)) {
  				zend_string *name = zend_string_dup(ZEND_TYPE_NAME(arg_info[i].type), 1);
  
  				new_arg_info[i].type =
  					ZEND_TYPE_ENCODE_CLASS(
  						name, ZEND_TYPE_ALLOW_NULL(arg_info[i].type));
  			}
  		}
  		func->common.arg_info = new_arg_info + 1;
  	}
  }
  /* }}} */
  
  static void auto_global_copy_ctor(zval *zv) /* {{{ */
  {
  	zend_auto_global *old_ag = (zend_auto_global *) Z_PTR_P(zv);
  	zend_auto_global *new_ag = pemalloc(sizeof(zend_auto_global), 1);
  
  	new_ag->name = old_ag->name;
  	new_ag->auto_global_callback = old_ag->auto_global_callback;
  	new_ag->jit = old_ag->jit;
  
  	Z_PTR_P(zv) = new_ag;
  }
  /* }}} */
  
  static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{{ */
  {
  	compiler_globals->compiled_filename = NULL;
  
  	compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
  	zend_hash_init_ex(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
  	zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);
  
  	compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
  	zend_hash_init_ex(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
  	zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);
  
  	zend_set_default_compile_time_values();
  
  	compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
  	zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1, 0);
  	zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);
  
  	compiler_globals->script_encoding_list = NULL;
  
  #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
  	/* Map region is going to be created and resized at run-time. */
  	compiler_globals->map_ptr_base = NULL;
  	compiler_globals->map_ptr_size = 0;
  	compiler_globals->map_ptr_last = global_map_ptr_last;
  	if (compiler_globals->map_ptr_last) {
  		/* Allocate map_ptr table */
  		compiler_globals->map_ptr_size = ZEND_MM_ALIGNED_SIZE_EX(compiler_globals->map_ptr_last, 4096);
  		compiler_globals->map_ptr_base = pemalloc(compiler_globals->map_ptr_size * sizeof(void*), 1);
  		memset(compiler_globals->map_ptr_base, 0, compiler_globals->map_ptr_last * sizeof(void*));
  	}
  #else
  # error "Unknown ZEND_MAP_PTR_KIND"
  #endif
  }
  /* }}} */
  
  static void compiler_globals_dtor(zend_compiler_globals *compiler_globals) /* {{{ */
  {
  	if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
  		zend_hash_destroy(compiler_globals->function_table);
  		free(compiler_globals->function_table);
  	}
  	if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
  		zend_hash_destroy(compiler_globals->class_table);
  		free(compiler_globals->class_table);
  	}
  	if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
  		zend_hash_destroy(compiler_globals->auto_globals);
  		free(compiler_globals->auto_globals);
  	}
  	if (compiler_globals->script_encoding_list) {
  		pefree((char*)compiler_globals->script_encoding_list, 1);
  	}
  	if (compiler_globals->map_ptr_base) {
  		free(compiler_globals->map_ptr_base);
  		compiler_globals->map_ptr_base = NULL;
  		compiler_globals->map_ptr_size = 0;
  	}
  }
  /* }}} */
  
  static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */
  {
  	ZEND_TSRMLS_CACHE_UPDATE();
  
  	zend_startup_constants();
  	zend_copy_constants(executor_globals->zend_constants, GLOBAL_CONSTANTS_TABLE);
  	zend_init_rsrc_plist();
  	zend_init_exception_op();
  	zend_init_call_trampoline_op();
  	memset(&executor_globals->trampoline, 0, sizeof(zend_op_array));
  	executor_globals->lambda_count = 0;
  	ZVAL_UNDEF(&executor_globals->user_error_handler);
  	ZVAL_UNDEF(&executor_globals->user_exception_handler);
  	executor_globals->in_autoload = NULL;
  	executor_globals->current_execute_data = NULL;
  	executor_globals->current_module = NULL;
  	executor_globals->exit_status = 0;
  #if XPFPA_HAVE_CW
  	executor_globals->saved_fpu_cw = 0;
  #endif
  	executor_globals->saved_fpu_cw_ptr = NULL;
  	executor_globals->active = 0;
  	executor_globals->bailout = NULL;
  	executor_globals->error_handling  = EH_NORMAL;
  	executor_globals->exception_class = NULL;
  	executor_globals->exception = NULL;
  	executor_globals->objects_store.object_buckets = NULL;
  #ifdef ZEND_WIN32
  	zend_get_windows_version_info(&executor_globals->windows_version_info);
  #endif
  	executor_globals->flags = EG_FLAGS_INITIAL;
  }
  /* }}} */
  
  static void executor_globals_dtor(zend_executor_globals *executor_globals) /* {{{ */
  {
  	zend_ini_dtor(executor_globals->ini_directives);
  
  	if (&executor_globals->persistent_list != global_persistent_list) {
  		zend_destroy_rsrc_list(&executor_globals->persistent_list);
  	}
  	if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
  		zend_hash_destroy(executor_globals->zend_constants);
  		free(executor_globals->zend_constants);
  	}
  }
  /* }}} */
  
  static void zend_new_thread_end_handler(THREAD_T thread_id) /* {{{ */
  {
  	if (zend_copy_ini_directives() == SUCCESS) {
  		zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP);
  	}
  }
  /* }}} */
  #endif
  
  #if defined(__FreeBSD__) || defined(__DragonFly__)
  /* FreeBSD and DragonFly floating point precision fix */
  #include <floatingpoint.h>
  #endif
  
  static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p) /* {{{ */
  {
  	memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
  }
  /* }}} */
  
  static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p) /* {{{ */
  {
  	memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
  }
  /* }}} */
  
  static void module_destructor_zval(zval *zv) /* {{{ */
  {
  	zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);
  
  	module_destructor(module);
  	free(module);
  }
  /* }}} */
  
  static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
  {
  	zval globals;
  
  	/* IS_ARRAY, but with ref-counter 1 and not IS_TYPE_REFCOUNTED */
  	ZVAL_ARR(&globals, &EG(symbol_table));
  	Z_TYPE_FLAGS_P(&globals) = 0;
  	ZVAL_NEW_REF(&globals, &globals);
  	zend_hash_update(&EG(symbol_table), name, &globals);
  	return 0;
  }
  /* }}} */
  
  int zend_startup(zend_utility_functions *utility_functions, char **extensions) /* {{{ */
  {
  #ifdef ZTS
  	zend_compiler_globals *compiler_globals;
  	zend_executor_globals *executor_globals;
  	extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
  	extern ZEND_API ts_rsrc_id language_scanner_globals_id;
  	ZEND_TSRMLS_CACHE_UPDATE();
  #else
  	extern zend_ini_scanner_globals ini_scanner_globals;
  	extern zend_php_scanner_globals language_scanner_globals;
  #endif
  
  	zend_cpu_startup();
  
  #ifdef ZEND_WIN32
  	php_win32_cp_set_by_id(65001);
  #endif
  
  	start_memory_manager();
  
  	virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
  
  #if defined(__FreeBSD__) || defined(__DragonFly__)
  	/* FreeBSD and DragonFly floating point precision fix */
  	fpsetmask(0);
  #endif
  
  	zend_startup_strtod();
  	zend_startup_extensions_mechanism();
  
  	/* Set up utility functions and values */
  	zend_error_cb = utility_functions->error_function;
  	zend_printf = utility_functions->printf_function;
  	zend_write = (zend_write_func_t) utility_functions->write_function;
  	zend_fopen = utility_functions->fopen_function;
  	if (!zend_fopen) {
  		zend_fopen = zend_fopen_wrapper;
  	}
  	zend_stream_open_function = utility_functions->stream_open_function;
  	zend_message_dispatcher_p = utility_functions->message_handler;
  	zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
  	zend_ticks_function = utility_functions->ticks_function;
  	zend_on_timeout = utility_functions->on_timeout;
  	zend_printf_to_smart_string = utility_functions->printf_to_smart_string_function;
  	zend_printf_to_smart_str = utility_functions->printf_to_smart_str_function;
  	zend_getenv = utility_functions->getenv_function;
  	zend_resolve_path = utility_functions->resolve_path_function;
  
  	zend_interrupt_function = NULL;
  
  #if HAVE_DTRACE
  /* build with dtrace support */
  	{
  		char *tmp = getenv("USE_ZEND_DTRACE");
  
  		if (tmp && zend_atoi(tmp, 0)) {
  			zend_dtrace_enabled = 1;
  			zend_compile_file = dtrace_compile_file;
  			zend_execute_ex = dtrace_execute_ex;
  			zend_execute_internal = dtrace_execute_internal;
  		} else {
  			zend_compile_file = compile_file;
  			zend_execute_ex = execute_ex;
  			zend_execute_internal = NULL;
  		}
  	}
  #else
  	zend_compile_file = compile_file;
  	zend_execute_ex = execute_ex;
  	zend_execute_internal = NULL;
  #endif /* HAVE_DTRACE */
  	zend_compile_string = compile_string;
  	zend_throw_exception_hook = NULL;
  
  	/* Set up the default garbage collection implementation. */
  	gc_collect_cycles = zend_gc_collect_cycles;
  
  	zend_vm_init();
  
  	/* set up version */
  	zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
  	zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;
  
  	GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
  	GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
  	GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
  	GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));
  
  	zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
  	zend_hash_init_ex(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
  	zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1, 0);
  	zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1, 0);
  
  	zend_hash_init_ex(&module_registry, 32, NULL, module_destructor_zval, 1, 0);
  	zend_init_rsrc_list_dtors();
  
  #ifdef ZTS
  	ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
  	ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
  	ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
  	ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
  	compiler_globals = ts_resource(compiler_globals_id);
  	executor_globals = ts_resource(executor_globals_id);
  
  	compiler_globals_dtor(compiler_globals);
  	compiler_globals->in_compilation = 0;
  	compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
  	compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
  
  	*compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
  	*compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
  	compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;
  
  	zend_hash_destroy(executor_globals->zend_constants);
  	*executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
  #else
  	ini_scanner_globals_ctor(&ini_scanner_globals);
  	php_scanner_globals_ctor(&language_scanner_globals);
  	zend_set_default_compile_time_values();
  #ifdef ZEND_WIN32
  	zend_get_windows_version_info(&EG(windows_version_info));
  #endif
  # if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
  		/* Create a map region, used for indirect pointers from shared to
  		 * process memory. It's allocatred once and never resized.
  		 * All processes must map it into the same address space.
  		 */
  		CG(map_ptr_size) = 1024 * 1024; // TODO: initial size ???
  		CG(map_ptr_last) = 0;
  		CG(map_ptr_base) = pemalloc(CG(map_ptr_size) * sizeof(void*), 1);
  # elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
  		/* Map region is going to be created and resized at run-time. */
  		CG(map_ptr_base) = NULL;
  		CG(map_ptr_size) = 0;
  		CG(map_ptr_last) = 0;
  # else
  #  error "Unknown ZEND_MAP_PTR_KIND"
  # endif
  #endif
  	EG(error_reporting) = E_ALL & ~E_NOTICE;
  
  	zend_interned_strings_init();
  	zend_startup_builtin_functions();
  	zend_register_standard_constants();
  	zend_register_auto_global(zend_string_init_interned("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals);
  
  #ifndef ZTS
  	zend_init_rsrc_plist();
  	zend_init_exception_op();
  	zend_init_call_trampoline_op();
  #endif
  
  	zend_ini_startup();
  
  #ifdef ZEND_WIN32
  	/* Uses INI settings, so needs to be run after it. */
  	php_win32_cp_setup();
  #endif
  
  #ifdef ZTS
  	tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
  	tsrm_set_shutdown_handler(zend_interned_strings_dtor);
  #endif
  
  	return SUCCESS;
  }
  /* }}} */
  
  void zend_register_standard_ini_entries(void) /* {{{ */
  {
  	int module_number = 0;
  
  	REGISTER_INI_ENTRIES();
  }
  /* }}} */
  
  static void zend_resolve_property_types(void) /* {{{ */
  {
  	zend_class_entry *ce;
  	zend_property_info *prop_info;
  
  	ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
  		if (UNEXPECTED(ce->type == ZEND_INTERNAL_CLASS && ZEND_CLASS_HAS_TYPE_HINTS(ce))) {
  			ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
  				if (ZEND_TYPE_IS_NAME(prop_info->type)) {
  					zend_string *type_name = zend_string_tolower(ZEND_TYPE_NAME(prop_info->type));
  					zend_class_entry *prop_ce = zend_hash_find_ptr(CG(class_table), type_name);
  
  					ZEND_ASSERT(prop_ce && prop_ce->type == ZEND_INTERNAL_CLASS);
  					prop_info->type = ZEND_TYPE_ENCODE_CE(prop_ce, ZEND_TYPE_ALLOW_NULL(prop_info->type));
  					zend_string_release(type_name);
  				}
  			} ZEND_HASH_FOREACH_END();
  		}
  	} ZEND_HASH_FOREACH_END();
  }
  /* }}} */
  
  /* Unlink the global (r/o) copies of the class, function and constant tables,
   * and use a fresh r/w copy for the startup thread
   */
  int zend_post_startup(void) /* {{{ */
  {
  #ifdef ZTS
  	zend_encoding **script_encoding_list;
  
  	zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
  	zend_executor_globals *executor_globals = ts_resource(executor_globals_id);
  #endif
  
  	if (zend_post_startup_cb) {
  		int (*cb)(void) = zend_post_startup_cb;
  
  		zend_post_startup_cb = NULL;
  		if (cb() != SUCCESS) {
  			return FAILURE;
  		}
  	}
  
  	zend_resolve_property_types();
  
  #ifdef ZTS
  	*GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
  	*GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
  	*GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;
  	global_map_ptr_last = compiler_globals->map_ptr_last;
  
  	short_tags_default = CG(short_tags);
  	compiler_options_default = CG(compiler_options);
  
  	zend_destroy_rsrc_list(&EG(persistent_list));
  	free(compiler_globals->function_table);
  	compiler_globals->function_table = NULL;
  	free(compiler_globals->class_table);
  	compiler_globals->class_table = NULL;
  	if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
  		compiler_globals_ctor(compiler_globals);
  		compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
  	} else {
  		compiler_globals_ctor(compiler_globals);
  	}
  	free(EG(zend_constants));
  	EG(zend_constants) = NULL;
  
  	executor_globals_ctor(executor_globals);
  	global_persistent_list = &EG(persistent_list);
  	zend_copy_ini_directives();
  #else
  	global_map_ptr_last = CG(map_ptr_last);
  #endif
  
  	return SUCCESS;
  }
  /* }}} */
  
  void zend_shutdown(void) /* {{{ */
  {
  	zend_vm_dtor();
  
  	zend_destroy_rsrc_list(&EG(persistent_list));
  	zend_destroy_modules();
  
  	virtual_cwd_deactivate();
  	virtual_cwd_shutdown();
  
  	zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
  	zend_hash_destroy(GLOBAL_CLASS_TABLE);
  
  	zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
  	free(GLOBAL_AUTO_GLOBALS_TABLE);
  
  	zend_shutdown_extensions();
  	free(zend_version_info);
  
  	free(GLOBAL_FUNCTION_TABLE);
  	free(GLOBAL_CLASS_TABLE);
  
  	zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
  	free(GLOBAL_CONSTANTS_TABLE);
  	zend_shutdown_strtod();
  
  #ifdef ZTS
  	GLOBAL_FUNCTION_TABLE = NULL;
  	GLOBAL_CLASS_TABLE = NULL;
  	GLOBAL_AUTO_GLOBALS_TABLE = NULL;
  	GLOBAL_CONSTANTS_TABLE = NULL;
  	ts_free_id(executor_globals_id);
  	ts_free_id(compiler_globals_id);
  #else
  	if (CG(map_ptr_base)) {
  		free(CG(map_ptr_base));
  		CG(map_ptr_base) = NULL;
  		CG(map_ptr_size) = 0;
  	}
  #endif
  	zend_destroy_rsrc_list_dtors();
  }
  /* }}} */
  
  void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
  {
  	zend_uv = *utility_values;
  }
  /* }}} */
  
  /* this should be compatible with the standard zenderror */
  ZEND_COLD void zenderror(const char *error) /* {{{ */
  {
  	CG(parse_error) = 0;
  
  	if (EG(exception)) {
  		/* An exception was thrown in the lexer, don't throw another in the parser. */
  		return;
  	}
  
  	zend_throw_exception(zend_ce_parse_error, error, 0);
  }
  /* }}} */
  
  BEGIN_EXTERN_C()
  ZEND_API ZEND_COLD void _zend_bailout(const char *filename, uint32_t lineno) /* {{{ */
  {
  
  	if (!EG(bailout)) {
  		zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
  		exit(-1);
  	}
  	gc_protect(1);
  	CG(unclean_shutdown) = 1;
  	CG(active_class_entry) = NULL;
  	CG(in_compilation) = 0;
  	EG(current_execute_data) = NULL;
  	LONGJMP(*EG(bailout), FAILURE);
  }
  /* }}} */
  END_EXTERN_C()
  
  ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
  {
  	char *new_info;
  	uint32_t new_info_length;
  
  	new_info_length = (uint32_t)(sizeof("    with  v, , by \n")
  						+ strlen(extension->name)
  						+ strlen(extension->version)
  						+ strlen(extension->copyright)
  						+ strlen(extension->author));
  
  	new_info = (char *) malloc(new_info_length + 1);
  
  	snprintf(new_info, new_info_length, "    with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);
  
  	zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
  	strncat(zend_version_info, new_info, new_info_length);
  	zend_version_info_length += new_info_length;
  	free(new_info);
  }
  /* }}} */
  
  ZEND_API char *get_zend_version(void) /* {{{ */
  {
  	return zend_version_info;
  }
  /* }}} */
  
  ZEND_API void zend_activate(void) /* {{{ */
  {
  #ifdef ZTS
  	virtual_cwd_activate();
  #endif
  	gc_reset();
  	init_compiler();
  	init_executor();
  	startup_scanner();
  	if (CG(map_ptr_last)) {
  		memset(CG(map_ptr_base), 0, CG(map_ptr_last) * sizeof(void*));
  	}
  }
  /* }}} */
  
  void zend_call_destructors(void) /* {{{ */
  {
  	zend_try {
  		shutdown_destructors();
  	} zend_end_try();
  }
  /* }}} */
  
  ZEND_API void zend_deactivate(void) /* {{{ */
  {
  	/* we're no longer executing anything */
  	EG(current_execute_data) = NULL;
  
  	zend_try {
  		shutdown_scanner();
  	} zend_end_try();
  
  	/* shutdown_executor() takes care of its own bailout handling */
  	shutdown_executor();
  
  	zend_try {
  		zend_ini_deactivate();
  	} zend_end_try();
  
  	zend_try {
  		shutdown_compiler();
  	} zend_end_try();
  
  	zend_destroy_rsrc_list(&EG(regular_list));
  
  #if GC_BENCH
  	fprintf(stderr, "GC Statistics\n");
  	fprintf(stderr, "-------------\n");
  	fprintf(stderr, "Runs:               %d\n", GC_G(gc_runs));
  	fprintf(stderr, "Collected:          %d\n", GC_G(collected));
  	fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
  	fprintf(stderr, "Root buffer peak:   %d\n\n", GC_G(root_buf_peak));
  	fprintf(stderr, "      Possible            Remove from  Marked\n");
  	fprintf(stderr, "        Root    Buffered     buffer     grey\n");
  	fprintf(stderr, "      --------  --------  -----------  ------\n");
  	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));
  #endif
  }
  /* }}} */
  
  BEGIN_EXTERN_C()
  ZEND_API void zend_message_dispatcher(zend_long message, const void *data) /* {{{ */
  {
  	if (zend_message_dispatcher_p) {
  		zend_message_dispatcher_p(message, data);
  	}
  }
  /* }}} */
  END_EXTERN_C()
  
  ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
  {
  	if (zend_get_configuration_directive_p) {
  		return zend_get_configuration_directive_p(name);
  	} else {
  		return NULL;
  	}
  }
  /* }}} */
  
  #define SAVE_STACK(stack) do { \
  		if (CG(stack).top) { \
  			memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
  			CG(stack).top = CG(stack).max = 0; \
  			CG(stack).elements = NULL; \
  		} else { \
  			stack.top = 0; \
  		} \
  	} while (0)
  
  #define RESTORE_STACK(stack) do { \
  		if (stack.top) { \
  			zend_stack_destroy(&CG(stack)); \
  			memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
  		} \
  	} while (0)
  
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
  #else
  static ZEND_COLD void zend_error_va_list(int type, const char *format, va_list args)
  #endif
  {
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  	va_list args;
  #endif
  	va_list usr_copy;
  	zval params[4];
  	zval retval;
  	const char *error_filename;
  	uint32_t error_lineno = 0;
  	zval orig_user_error_handler;
  	zend_bool in_compilation;
  	zend_class_entry *saved_class_entry;
  	zend_stack loop_var_stack;
  	zend_stack delayed_oplines_stack;
  	zend_class_entry *orig_fake_scope;
  
  	/* Report about uncaught exception in case of fatal errors */
  	if (EG(exception)) {
  		zend_execute_data *ex;
  		const zend_op *opline;
  
  		switch (type) {
  			case E_CORE_ERROR:
  			case E_ERROR:
  			case E_RECOVERABLE_ERROR:
  			case E_PARSE:
  			case E_COMPILE_ERROR:
  			case E_USER_ERROR:
  				ex = EG(current_execute_data);
  				opline = NULL;
  				while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
  					ex = ex->prev_execute_data;
  				}
  				if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION &&
  				    EG(opline_before_exception)) {
  					opline = EG(opline_before_exception);
  				}
  				zend_exception_error(EG(exception), E_WARNING);
  				EG(exception) = NULL;
  				if (opline) {
  					ex->opline = opline;
  				}
  				break;
  			default:
  				break;
  		}
  	}
  
  	/* Obtain relevant filename and lineno */
  	switch (type) {
  		case E_CORE_ERROR:
  		case E_CORE_WARNING:
  			error_filename = NULL;
  			error_lineno = 0;
  			break;
  		case E_PARSE:
  		case E_COMPILE_ERROR:
  		case E_COMPILE_WARNING:
  		case E_ERROR:
  		case E_NOTICE:
  		case E_STRICT:
  		case E_DEPRECATED:
  		case E_WARNING:
  		case E_USER_ERROR:
  		case E_USER_WARNING:
  		case E_USER_NOTICE:
  		case E_USER_DEPRECATED:
  		case E_RECOVERABLE_ERROR:
  			if (zend_is_compiling()) {
  				error_filename = ZSTR_VAL(zend_get_compiled_filename());
  				error_lineno = zend_get_compiled_lineno();
  			} else if (zend_is_executing()) {
  				error_filename = zend_get_executed_filename();
  				if (error_filename[0] == '[') { /* [no active file] */
  					error_filename = NULL;
  					error_lineno = 0;
  				} else {
  					error_lineno = zend_get_executed_lineno();
  				}
  			} else {
  				error_filename = NULL;
  				error_lineno = 0;
  			}
  			break;
  		default:
  			error_filename = NULL;
  			error_lineno = 0;
  			break;
  	}
  	if (!error_filename) {
  		error_filename = "Unknown";
  	}
  
  #ifdef HAVE_DTRACE
  	if (DTRACE_ERROR_ENABLED()) {
  		char *dtrace_error_buffer;
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  		va_start(args, format);
  #endif
  		zend_vspprintf(&dtrace_error_buffer, 0, format, args);
  		DTRACE_ERROR(dtrace_error_buffer, (char *)error_filename, error_lineno);
  		efree(dtrace_error_buffer);
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  		va_end(args);
  #endif
  	}
  #endif /* HAVE_DTRACE */
  
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  	va_start(args, format);
  #endif
  
  	/* if we don't have a user defined error handler */
  	if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF
  		|| !(EG(user_error_handler_error_reporting) & type)
  		|| EG(error_handling) != EH_NORMAL) {
  		zend_error_cb(type, error_filename, error_lineno, format, args);
  	} else switch (type) {
  		case E_ERROR:
  		case E_PARSE:
  		case E_CORE_ERROR:
  		case E_CORE_WARNING:
  		case E_COMPILE_ERROR:
  		case E_COMPILE_WARNING:
  			/* The error may not be safe to handle in user-space */
  			zend_error_cb(type, error_filename, error_lineno, format, args);
  			break;
  		default:
  			/* Handle the error in user space */
  			va_copy(usr_copy, args);
  			ZVAL_STR(&params[1], zend_vstrpprintf(0, format, usr_copy));
  			va_end(usr_copy);
  
  			ZVAL_LONG(&params[0], type);
  
  			if (error_filename) {
  				ZVAL_STRING(&params[2], error_filename);
  			} else {
  				ZVAL_NULL(&params[2]);
  			}
  
  			ZVAL_LONG(&params[3], error_lineno);
  
  			ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler));
  			ZVAL_UNDEF(&EG(user_error_handler));
  
  			/* User error handler may include() additinal PHP files.
  			 * If an error was generated during comilation PHP will compile
  			 * such scripts recursively, but some CG() variables may be
  			 * inconsistent. */
  
  			in_compilation = CG(in_compilation);
  			if (in_compilation) {
  				saved_class_entry = CG(active_class_entry);
  				CG(active_class_entry) = NULL;
  				SAVE_STACK(loop_var_stack);
  				SAVE_STACK(delayed_oplines_stack);
  				CG(in_compilation) = 0;
  			}
  
  			orig_fake_scope = EG(fake_scope);
  			EG(fake_scope) = NULL;
  
  			if (call_user_function(CG(function_table), NULL, &orig_user_error_handler, &retval, 4, params) == SUCCESS) {
  				if (Z_TYPE(retval) != IS_UNDEF) {
  					if (Z_TYPE(retval) == IS_FALSE) {
  						zend_error_cb(type, error_filename, error_lineno, format, args);
  					}
  					zval_ptr_dtor(&retval);
  				}
  			} else if (!EG(exception)) {
  				/* The user error handler failed, use built-in error handler */
  				zend_error_cb(type, error_filename, error_lineno, format, args);
  			}
  
  			EG(fake_scope) = orig_fake_scope;
  
  			if (in_compilation) {
  				CG(active_class_entry) = saved_class_entry;
  				RESTORE_STACK(loop_var_stack);
  				RESTORE_STACK(delayed_oplines_stack);
  				CG(in_compilation) = 1;
  			}
  
  			zval_ptr_dtor(&params[2]);
  			zval_ptr_dtor(&params[1]);
  
  			if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) {
  				ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler);
  			} else {
  				zval_ptr_dtor(&orig_user_error_handler);
  			}
  			break;
  	}
  
  #if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
  	va_end(args);
  #endif
  
  	if (type == E_PARSE) {
  		/* eval() errors do not affect exit_status */
  		if (!(EG(current_execute_data) &&
  			EG(current_execute_data)->func &&
  			ZEND_USER_CODE(EG(current_execute_data)->func->type) &&
  			EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
  			EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
  			EG(exit_status) = 255;
  		}
  	}
  }
  /* }}} */
  
  #ifdef HAVE_NORETURN
  # ifdef HAVE_NORETURN_ALIAS
  ZEND_COLD void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
  # else
  ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
  {
  	va_list va;
  
  	va_start(va, format);
  	zend_error_va_list(type, format, va);
  	va_end(va);
  }
  
  ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...)
  {
  	va_list va;
  
  	va_start(va, format);
  	zend_error_va_list(type, format, va);
  	va_end(va);
  }
  /* }}} */
  # endif
  #endif
  
  ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */
  {
  	va_list va;
  	char *message = NULL;
  
  	if (exception_ce) {
  		if (!instanceof_function(exception_ce, zend_ce_error)) {
  			zend_error(E_NOTICE, "Error exceptions must be derived from Error");
  			exception_ce = zend_ce_error;
  		}
  	} else {
  		exception_ce = zend_ce_error;
  	}
  
  	/* Marker used to disable exception generation during preloading. */
  	if (EG(exception) == (void*)(uintptr_t)-1) {
  		return;
  	}
  
  	va_start(va, format);
  	zend_vspprintf(&message, 0, format, va);
  
  	//TODO: we can't convert compile-time errors to exceptions yet???
  	if (EG(current_execute_data) && !CG(in_compilation)) {
  		zend_throw_exception(exception_ce, message, 0);
  	} else {
  		zend_error(E_ERROR, "%s", message);
  	}
  
  	efree(message);
  	va_end(va);
  }
  /* }}} */
  
  ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) /* {{{ */
  {
  	va_list va;
  	char *message = NULL;
  
  	va_start(va, format);
  	zend_vspprintf(&message, 0, format, va);
  	zend_throw_exception(zend_ce_type_error, message, 0);
  	efree(message);
  	va_end(va);
  } /* }}} */
  
  ZEND_API ZEND_COLD void zend_internal_type_error(zend_bool throw_exception, const char *format, ...) /* {{{ */
  {
  	va_list va;
  	char *message = NULL;
  
  	va_start(va, format);
  	zend_vspprintf(&message, 0, format, va);
  	if (throw_exception) {
  		zend_throw_exception(zend_ce_type_error, message, 0);
  	} else {
  		zend_error(E_WARNING, "%s", message);
  	}
  	efree(message);
  
  	va_end(va);
  } /* }}} */
  
  ZEND_API ZEND_COLD void zend_internal_argument_count_error(zend_bool throw_exception, const char *format, ...) /* {{{ */
  {
  	va_list va;
  	char *message = NULL;
  
  	va_start(va, format);
  	zend_vspprintf(&message, 0, format, va);
  	if (throw_exception) {
  		zend_throw_exception(zend_ce_argument_count_error, message, 0);
  	} else {
  		zend_error(E_WARNING, "%s", message);
  	}
  	efree(message);
  
  	va_end(va);
  } /* }}} */
  
  ZEND_API ZEND_COLD void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
  {
  #if ZEND_DEBUG
  	va_list args;
  
  	va_start(args, format);
  #	ifdef ZEND_WIN32
  	{
  		char output_buf[1024];
  
  		vsnprintf(output_buf, 1024, format, args);
  		OutputDebugString(output_buf);
  		OutputDebugString("\n");
  		if (trigger_break && IsDebuggerPresent()) {
  			DebugBreak();
  		}
  	}
  #	else
  	vfprintf(stderr, format, args);
  	fprintf(stderr, "\n");
  #	endif
  	va_end(args);
  #endif
  }
  /* }}} */
  
  ZEND_API void zend_try_exception_handler() /* {{{ */
  {
  	if (EG(exception)) {
  		if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
  			zval orig_user_exception_handler;
  			zval params[1], retval2;
  			zend_object *old_exception;
  			old_exception = EG(exception);
  			EG(exception) = NULL;
  			ZVAL_OBJ(&params[0], old_exception);
  			ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler));
  
  			if (call_user_function(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params) == SUCCESS) {
  				zval_ptr_dtor(&retval2);
  				if (EG(exception)) {
  					OBJ_RELEASE(EG(exception));
  					EG(exception) = NULL;
  				}
  				OBJ_RELEASE(old_exception);
  			} else {
  				EG(exception) = old_exception;
  			}
  		}
  	}
  } /* }}} */
  
  ZEND_API int zend_execute_scripts(int type, zval *retval, int file_count, ...) /* {{{ */
  {
  	va_list files;
  	int i;
  	zend_file_handle *file_handle;
  	zend_op_array *op_array;
  
  	va_start(files, file_count);
  	for (i = 0; i < file_count; i++) {
  		file_handle = va_arg(files, zend_file_handle *);
  		if (!file_handle) {
  			continue;
  		}
  
  		op_array = zend_compile_file(file_handle, type);
  		if (file_handle->opened_path) {
  			zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path);
  		}
  		zend_destroy_file_handle(file_handle);
  		if (op_array) {
  			zend_execute(op_array, retval);
  			zend_exception_restore();
  			zend_try_exception_handler();
  			if (EG(exception)) {
  				zend_exception_error(EG(exception), E_ERROR);
  			}
  			destroy_op_array(op_array);
  			efree_size(op_array, sizeof(zend_op_array));
  		} else if (type==ZEND_REQUIRE) {
  			va_end(files);
  			return FAILURE;
  		}
  	}
  	va_end(files);
  
  	return SUCCESS;
  }
  /* }}} */
  
  #define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"
  
  ZEND_API char *zend_make_compiled_string_description(const char *name) /* {{{ */
  {
  	const char *cur_filename;
  	int cur_lineno;
  	char *compiled_string_description;
  
  	if (zend_is_compiling()) {
  		cur_filename = ZSTR_VAL(zend_get_compiled_filename());
  		cur_lineno = zend_get_compiled_lineno();
  	} else if (zend_is_executing()) {
  		cur_filename = zend_get_executed_filename();
  		cur_lineno = zend_get_executed_lineno();
  	} else {
  		cur_filename = "Unknown";
  		cur_lineno = 0;
  	}
  
  	zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
  	return compiled_string_description;
  }
  /* }}} */
  
  void free_estring(char **str_p) /* {{{ */
  {
  	efree(*str_p);
  }
  /* }}} */
  
  ZEND_API void zend_map_ptr_reset(void)
  {
  	CG(map_ptr_last) = global_map_ptr_last;
  }
  
  ZEND_API void *zend_map_ptr_new(void)
  {
  	void **ptr;
  
  	if (CG(map_ptr_last) >= CG(map_ptr_size)) {
  #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
  		// TODO: error ???
  		ZEND_ASSERT(0);
  #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
  		/* Grow map_ptr table */
  		CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(CG(map_ptr_last) + 1, 4096);
  		CG(map_ptr_base) = perealloc(CG(map_ptr_base), CG(map_ptr_size) * sizeof(void*), 1);
  #else
  # error "Unknown ZEND_MAP_PTR_KIND"
  #endif
  	}
  	ptr = (void**)CG(map_ptr_base) + CG(map_ptr_last);
  	*ptr = NULL;
  	CG(map_ptr_last)++;
  #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
  	return ptr;
  #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
  	return ZEND_MAP_PTR_PTR2OFFSET(ptr);
  #else
  # error "Unknown ZEND_MAP_PTR_KIND"
  #endif
  }
  
  ZEND_API void zend_map_ptr_extend(size_t last)
  {
  	if (last > CG(map_ptr_last)) {
  		void **ptr;
  
  		if (last >= CG(map_ptr_size)) {
  #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR
  			/* This may never happen */
  			ZEND_ASSERT(0);
  #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET
  			/* Grow map_ptr table */
  			CG(map_ptr_size) = ZEND_MM_ALIGNED_SIZE_EX(last, 4096);
  			CG(map_ptr_base) = perealloc(CG(map_ptr_base), CG(map_ptr_size) * sizeof(void*), 1);
  #else
  # error "Unknown ZEND_MAP_PTR_KIND"
  #endif
  		}
  		ptr = (void**)CG(map_ptr_base) + CG(map_ptr_last);
  		memset(ptr, 0, (last - CG(map_ptr_last)) * sizeof(void*));
  		CG(map_ptr_last) = last;
  	}
  }
  