/* +----------------------------------------------------------------------+ | 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 | | Zeev Suraski | +----------------------------------------------------------------------+ */ #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" #include "zend_attributes.h" #include "zend_observer.h" #include "Optimizer/zend_optimizer.h" static size_t global_map_ptr_last = 0; #ifdef ZTS ZEND_API int compiler_globals_id; ZEND_API int executor_globals_id; ZEND_API size_t compiler_globals_offset; ZEND_API size_t executor_globals_offset; 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 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)(zend_string *filename, zend_string **opened_path); ZEND_API zend_result (*zend_stream_open_function)(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, zend_string *message); 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)(const char *name, size_t name_len); ZEND_API zend_string *(*zend_resolve_path)(zend_string *filename); ZEND_API zend_result (*zend_post_startup_cb)(void) = NULL; ZEND_API void (*zend_post_shutdown_cb)(void) = NULL; ZEND_API zend_result (*zend_preload_autoload)(zend_string *filename) = NULL; /* This callback must be signal handler safe! */ 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 bool zend_rc_debug = 0; #endif static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */ { if (!new_value) { EG(error_reporting) = E_ALL; } else { EG(error_reporting) = atoi(ZSTR_VAL(new_value)); } return SUCCESS; } /* }}} */ static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */ { 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 = (zend_long *) ZEND_INI_GET_ADDR(); zend_long 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; } /* }}} */ static ZEND_INI_MH(OnSetExceptionStringParamMaxLen) /* {{{ */ { zend_long i; ZEND_ATOL(i, ZSTR_VAL(new_value)); if (i >= 0 && i <= 1000000) { EG(exception_string_param_max_len) = i; return SUCCESS; } else { return FAILURE; } } /* }}} */ #if ZEND_DEBUG # define SIGNAL_CHECK_DEFAULT "1" #else # define SIGNAL_CHECK_DEFAULT "0" #endif 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", SIGNAL_CHECK_DEFAULT, ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals) #endif STD_ZEND_INI_BOOLEAN("zend.exception_ignore_args", "0", ZEND_INI_ALL, OnUpdateBool, exception_ignore_args, zend_executor_globals, executor_globals) STD_ZEND_INI_ENTRY("zend.exception_string_param_max_len", "15", ZEND_INI_ALL, OnSetExceptionStringParamMaxLen, exception_string_param_max_len, zend_executor_globals, executor_globals) ZEND_INI_END() 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, 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 bool 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(")"); GC_TRY_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); GC_TRY_UNPROTECT_RECURSION(Z_ARRVAL_P(expr)); break; case IS_OBJECT: { HashTable *properties; zend_object *zobj = Z_OBJ_P(expr); zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(zobj); smart_str_appends(buf, ZSTR_VAL(class_name)); zend_string_release_ex(class_name, 0); if (!(zobj->ce->ce_flags & ZEND_ACC_ENUM)) { smart_str_appends(buf, " Object\n"); } else { smart_str_appends(buf, " Enum"); if (zobj->ce->enum_backing_type != IS_UNDEF) { smart_str_appendc(buf, ':'); smart_str_appends(buf, zend_get_type_by_const(zobj->ce->enum_backing_type)); } smart_str_appendc(buf, '\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(zend_string *filename, zend_string **opened_path) /* {{{ */ { if (opened_path) { *opened_path = zend_string_copy(filename); } return fopen(ZSTR_VAL(filename), "rb"); } /* }}} */ #ifdef ZTS static 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; CG(rtd_key_counter) = 0; } /* }}} */ #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_UNREACHABLE(); /* 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_HAS_LIST(arg_info[i].type)) { zend_type_list *old_list = ZEND_TYPE_LIST(arg_info[i].type); zend_type_list *new_list = pemalloc(ZEND_TYPE_LIST_SIZE(old_list->num_types), 1); memcpy(new_list, old_list, ZEND_TYPE_LIST_SIZE(old_list->num_types)); ZEND_TYPE_SET_PTR(new_arg_info[i].type, new_list); zend_type *list_type; ZEND_TYPE_LIST_FOREACH(new_list, list_type) { zend_string *name = zend_string_dup(ZEND_TYPE_NAME(*list_type), 1); ZEND_TYPE_SET_PTR(*list_type, name); } ZEND_TYPE_LIST_FOREACH_END(); } else if (ZEND_TYPE_HAS_NAME(arg_info[i].type)) { zend_string *name = zend_string_dup(ZEND_TYPE_NAME(arg_info[i].type), 1); ZEND_TYPE_SET_PTR(new_arg_info[i].type, name); } } 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(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1); zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor); compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1); 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(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1); zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor); compiler_globals->script_encoding_list = NULL; compiler_globals->current_linking_class = 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. */ ZEND_MAP_PTR_SET_REAL_BASE(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 */ void *base; compiler_globals->map_ptr_size = ZEND_MM_ALIGNED_SIZE_EX(compiler_globals->map_ptr_last, 4096); base = pemalloc(compiler_globals->map_ptr_size * sizeof(void*), 1); ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, base); memset(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 (ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)) { free(ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)); ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, NULL); compiler_globals->map_ptr_size = 0; } } /* }}} */ static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */ { 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->capture_warnings_during_sccp = 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) /* {{{ */ { zend_copy_ini_directives(); zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP); } /* }}} */ #endif #if defined(__FreeBSD__) || defined(__DragonFly__) /* FreeBSD and DragonFly floating point precision fix */ #include #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 bool php_auto_globals_create_globals(zend_string *name) /* {{{ */ { /* While we keep registering $GLOBALS as an auto-global, we do not create an * actual variable for it. Access to it handled specially by the compiler. */ return 0; } /* }}} */ void zend_startup(zend_utility_functions *utility_functions) /* {{{ */ { #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; #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 = 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; #ifdef 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; zend_observer_error_register(dtrace_error_notify_cb); } 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(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1); zend_hash_init(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1); zend_hash_init(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1); zend_hash_init(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1); zend_hash_init(&module_registry, 32, NULL, module_destructor_zval, 1); zend_init_rsrc_list_dtors(); #ifdef ZTS ts_allocate_fast_id(&compiler_globals_id, &compiler_globals_offset, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor); ts_allocate_fast_id(&executor_globals_id, &executor_globals_offset, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor); ts_allocate_fast_id(&language_scanner_globals_id, &language_scanner_globals_offset, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL); ts_allocate_fast_id(&ini_scanner_globals_id, &ini_scanner_globals_offset, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL); 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; ZEND_MAP_PTR_SET_REAL_BASE(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. */ ZEND_MAP_PTR_SET_REAL_BASE(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 zend_optimizer_startup(); #ifdef ZTS tsrm_set_new_thread_end_handler(zend_new_thread_end_handler); tsrm_set_shutdown_handler(zend_interned_strings_dtor); #endif } /* }}} */ void zend_register_standard_ini_entries(void) /* {{{ */ { int module_number = 0; REGISTER_INI_ENTRIES(); } /* }}} */ static zend_class_entry *resolve_type_name(zend_string *type_name) { zend_string *lc_type_name = zend_string_tolower(type_name); zend_class_entry *ce = zend_hash_find_ptr(CG(class_table), lc_type_name); ZEND_ASSERT(ce && ce->type == ZEND_INTERNAL_CLASS); zend_string_release(lc_type_name); return ce; } 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 (ce->type != ZEND_INTERNAL_CLASS) { continue; } if (UNEXPECTED(ZEND_CLASS_HAS_TYPE_HINTS(ce))) { ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) { zend_type *single_type; ZEND_TYPE_FOREACH(prop_info->type, single_type) { if (ZEND_TYPE_HAS_NAME(*single_type)) { zend_string *type_name = ZEND_TYPE_NAME(*single_type); ZEND_TYPE_SET_CE(*single_type, resolve_type_name(type_name)); zend_string_release(type_name); } } ZEND_TYPE_FOREACH_END(); } ZEND_HASH_FOREACH_END(); } ce->ce_flags |= ZEND_ACC_PROPERTY_TYPES_RESOLVED; } 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 */ zend_result 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 zend_resolve_property_types(); if (zend_post_startup_cb) { zend_result (*cb)(void) = zend_post_startup_cb; zend_post_startup_cb = NULL; if (cb() != SUCCESS) { return FAILURE; } } #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 (ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)) { free(ZEND_MAP_PTR_REAL_BASE(compiler_globals->map_ptr_base)); } ZEND_MAP_PTR_SET_REAL_BASE(compiler_globals->map_ptr_base, 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(); zend_attributes_shutdown(); #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 (ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base))) { free(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base))); ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), NULL); CG(map_ptr_size) = 0; } if (CG(script_encoding_list)) { free(ZEND_VOIDP(CG(script_encoding_list))); CG(script_encoding_list) = NULL; CG(script_encoding_list_size) = 0; } #endif zend_destroy_rsrc_list_dtors(); zend_optimizer_shutdown(); } /* }}} */ 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 ZEND_NORETURN 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 const 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(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), 0, CG(map_ptr_last) * sizeof(void*)); } zend_observer_activate(); } /* }}} */ 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_observer_deactivate(); 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) static ZEND_COLD void zend_error_impl( int orig_type, const char *error_filename, uint32_t error_lineno, zend_string *message) { zval params[4]; zval retval; zval orig_user_error_handler; bool in_compilation; zend_class_entry *saved_class_entry; zend_stack loop_var_stack; zend_stack delayed_oplines_stack; int type = orig_type & E_ALL; /* If we're executing a function during SCCP, count any warnings that may be emitted, * but don't perform any other error handling. */ if (EG(capture_warnings_during_sccp)) { ZEND_ASSERT(!(type & E_FATAL_ERRORS) && "Fatal error during SCCP"); EG(capture_warnings_during_sccp)++; return; } /* Report about uncaught exception in case of fatal errors */ if (EG(exception)) { zend_execute_data *ex; const zend_op *opline; if (type & E_FATAL_ERRORS) { 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; } } } zend_observer_error_notify(type, error_filename, error_lineno, message); /* 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(orig_type, error_filename, error_lineno, message); } 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(orig_type, error_filename, error_lineno, message); break; default: /* Handle the error in user space */ ZVAL_STR_COPY(¶ms[1], message); ZVAL_LONG(¶ms[0], type); if (error_filename) { ZVAL_STRING(¶ms[2], error_filename); } else { ZVAL_NULL(¶ms[2]); } ZVAL_LONG(¶ms[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; } 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(orig_type, error_filename, error_lineno, message); } zval_ptr_dtor(&retval); } } else if (!EG(exception)) { /* The user error handler failed, use built-in error handler */ zend_error_cb(orig_type, error_filename, error_lineno, message); } 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(¶ms[2]); zval_ptr_dtor(¶ms[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 (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; } } } /* }}} */ static ZEND_COLD void zend_error_va_list( int orig_type, const char *error_filename, uint32_t error_lineno, const char *format, va_list args) { zend_string *message = zend_vstrpprintf(0, format, args); zend_error_impl(orig_type, error_filename, error_lineno, message); zend_string_release(message); } static ZEND_COLD void get_filename_lineno(int type, const char **filename, uint32_t *lineno) { /* Obtain relevant filename and lineno */ switch (type) { case E_CORE_ERROR: case E_CORE_WARNING: *filename = NULL; *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()) { *filename = ZSTR_VAL(zend_get_compiled_filename()); *lineno = zend_get_compiled_lineno(); } else if (zend_is_executing()) { *filename = zend_get_executed_filename(); if ((*filename)[0] == '[') { /* [no active file] */ *filename = NULL; *lineno = 0; } else { *lineno = zend_get_executed_lineno(); } } else { *filename = NULL; *lineno = 0; } break; default: *filename = NULL; *lineno = 0; break; } if (!*filename) { *filename = "Unknown"; } } ZEND_API ZEND_COLD void zend_error_at( int type, const char *filename, uint32_t lineno, const char *format, ...) { va_list args; if (!filename) { uint32_t dummy_lineno; get_filename_lineno(type, &filename, &dummy_lineno); } va_start(args, format); zend_error_va_list(type, filename, lineno, format, args); va_end(args); } ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) { const char *filename; uint32_t lineno; va_list args; get_filename_lineno(type, &filename, &lineno); va_start(args, format); zend_error_va_list(type, filename, lineno, format, args); va_end(args); } ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_at_noreturn( int type, const char *filename, uint32_t lineno, const char *format, ...) { va_list args; if (!filename) { uint32_t dummy_lineno; get_filename_lineno(type, &filename, &dummy_lineno); } va_start(args, format); zend_error_va_list(type, filename, lineno, format, args); va_end(args); /* Should never reach this. */ abort(); } ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...) { const char *filename; uint32_t lineno; va_list args; get_filename_lineno(type, &filename, &lineno); va_start(args, format); zend_error_va_list(type, filename, lineno, format, args); va_end(args); /* Should never reach this. */ abort(); } ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message) { const char *filename; uint32_t lineno; get_filename_lineno(type, &filename, &lineno); zend_error_impl(type, filename, lineno, message); } 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) { 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_argument_count_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_argument_count_error, message, 0); efree(message); va_end(va); } /* }}} */ ZEND_API ZEND_COLD void zend_value_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_value_error, message, 0); efree(message); va_end(va); } /* }}} */ ZEND_API ZEND_COLD void zend_output_debug_string(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 ZEND_COLD void zend_user_exception_handler(void) /* {{{ */ { zval orig_user_exception_handler; zval params[1], retval2; zend_object *old_exception; if (zend_is_unwind_exit(EG(exception))) { return; } old_exception = EG(exception); EG(exception) = NULL; ZVAL_OBJ(¶ms[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 zend_result 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; zend_result ret = SUCCESS; va_start(files, file_count); for (i = 0; i < file_count; i++) { file_handle = va_arg(files, zend_file_handle *); if (!file_handle) { continue; } if (ret == FAILURE) { 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); } if (op_array) { zend_execute(op_array, retval); zend_exception_restore(); if (UNEXPECTED(EG(exception))) { if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) { zend_user_exception_handler(); } if (EG(exception)) { ret = zend_exception_error(EG(exception), E_ERROR); } } zend_destroy_static_vars(op_array); destroy_op_array(op_array); efree_size(op_array, sizeof(zend_op_array)); } else if (type==ZEND_REQUIRE) { ret = FAILURE; } } va_end(files); return ret; } /* }}} */ #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_UNREACHABLE(); #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); ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), perealloc(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), CG(map_ptr_size) * sizeof(void*), 1)); #else # error "Unknown ZEND_MAP_PTR_KIND" #endif } ptr = (void**)ZEND_MAP_PTR_REAL_BASE(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_UNREACHABLE(); #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); ZEND_MAP_PTR_SET_REAL_BASE(CG(map_ptr_base), perealloc(ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)), CG(map_ptr_size) * sizeof(void*), 1)); #else # error "Unknown ZEND_MAP_PTR_KIND" #endif } ptr = (void**)ZEND_MAP_PTR_REAL_BASE(CG(map_ptr_base)) + CG(map_ptr_last); memset(ptr, 0, (last - CG(map_ptr_last)) * sizeof(void*)); CG(map_ptr_last) = last; } }