Commit: f627be52540738e124da7cb1566d7f60a2b6a48b
Author: Nikita Popov <ni...@php.net> Sat, 26 May 2012 17:53:13 +0200
Parents: ececcbce0e37a306afc1a039f52188b6c243fecc
Branches: master
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Link:
http://git.php.net/?p=php-src.git;a=commitdiff;h=f627be52540738e124da7cb1566d7f60a2b6a48b
Log:
Add support for executing a zend_execute_data
This adds another function execute_ex(), which accepts a zend_execute_data
struct to run (contrary to execute(), which accepts a zend_op_array from
which it initialized the execute_data).
This needs a bit more cleanup.
Changed paths:
M Zend/zend_execute.h
M Zend/zend_generators.c
M Zend/zend_generators.h
M Zend/zend_vm_execute.h
M Zend/zend_vm_execute.skl
M Zend/zend_vm_gen.php
diff --git a/Zend/zend_execute.h b/Zend/zend_execute.h
index 7d42738..75a7eaa 100644
--- a/Zend/zend_execute.h
+++ b/Zend/zend_execute.h
@@ -56,6 +56,7 @@ void init_executor(TSRMLS_D);
void shutdown_executor(TSRMLS_D);
void shutdown_destructors(TSRMLS_D);
ZEND_API void execute(zend_op_array *op_array TSRMLS_DC);
+ZEND_API void execute_ex(zend_execute_data *execute_data TSRMLS_DC);
ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int
return_value_used TSRMLS_DC);
ZEND_API int zend_is_true(zval *op);
#define safe_free_zval_ptr(p) safe_free_zval_ptr_rel(p ZEND_FILE_LINE_CC
ZEND_FILE_LINE_EMPTY_CC)
diff --git a/Zend/zend_generators.c b/Zend/zend_generators.c
index 00af655..de1271f 100644
--- a/Zend/zend_generators.c
+++ b/Zend/zend_generators.c
@@ -86,13 +86,34 @@ static zend_function *zend_generator_get_constructor(zval
*object TSRMLS_DC) /*
}
/* }}} */
+static void zend_generator_resume(zend_generator *generator TSRMLS_DC) /* {{{
*/
+{
+ generator->execute_data->opline++;
+ execute_ex(generator->execute_data TSRMLS_CC);
+}
+/* }}} */
+
+static void zend_generator_ensure_initialized(zend_generator *generator
TSRMLS_DC) /* {{{ */
+{
+ if (!generator->value) {
+ zend_generator_resume(generator TSRMLS_CC);
+ }
+}
+/* }}} */
+
/* {{{ proto void Generator::rewind()
* Rewind the generator */
ZEND_METHOD(Generator, rewind)
{
+ zend_generator *generator;
+
if (zend_parse_parameters_none() == FAILURE) {
return;
}
+
+ generator = (zend_generator *) zend_object_store_get_object(getThis()
TSRMLS_CC);
+
+ zend_generator_ensure_initialized(generator TSRMLS_CC);
}
/* }}} */
@@ -100,9 +121,15 @@ ZEND_METHOD(Generator, rewind)
* Check whether the generator is valid */
ZEND_METHOD(Generator, valid)
{
+ zend_generator *generator;
+
if (zend_parse_parameters_none() == FAILURE) {
return;
}
+
+ generator = (zend_generator *) zend_object_store_get_object(getThis()
TSRMLS_CC);
+
+ zend_generator_ensure_initialized(generator TSRMLS_CC);
}
/* }}} */
@@ -110,9 +137,15 @@ ZEND_METHOD(Generator, valid)
* Get the current value */
ZEND_METHOD(Generator, current)
{
+ zend_generator *generator;
+
if (zend_parse_parameters_none() == FAILURE) {
return;
}
+
+ generator = (zend_generator *) zend_object_store_get_object(getThis()
TSRMLS_CC);
+
+ zend_generator_ensure_initialized(generator TSRMLS_CC);
}
/* }}} */
@@ -120,9 +153,15 @@ ZEND_METHOD(Generator, current)
* Get the current key */
ZEND_METHOD(Generator, key)
{
+ zend_generator *generator;
+
if (zend_parse_parameters_none() == FAILURE) {
return;
}
+
+ generator = (zend_generator *) zend_object_store_get_object(getThis()
TSRMLS_CC);
+
+ zend_generator_ensure_initialized(generator TSRMLS_CC);
}
/* }}} */
@@ -130,9 +169,15 @@ ZEND_METHOD(Generator, key)
* Advances the generator */
ZEND_METHOD(Generator, next)
{
+ zend_generator *generator;
+
if (zend_parse_parameters_none() == FAILURE) {
return;
}
+
+ generator = (zend_generator *) zend_object_store_get_object(getThis()
TSRMLS_CC);
+
+ zend_generator_ensure_initialized(generator TSRMLS_CC);
}
/* }}} */
diff --git a/Zend/zend_generators.h b/Zend/zend_generators.h
index c3b8f45..1422b71 100644
--- a/Zend/zend_generators.h
+++ b/Zend/zend_generators.h
@@ -32,6 +32,8 @@ typedef struct _zend_generator {
/* The suspended execution context. */
zend_execute_data *execute_data;
+ /* Current value */
+ zval *value;
} zend_generator;
END_EXTERN_C()
diff --git a/Zend/zend_vm_execute.h b/Zend/zend_vm_execute.h
index 8316a0a..c83a4db 100644
--- a/Zend/zend_vm_execute.h
+++ b/Zend/zend_vm_execute.h
@@ -339,25 +339,9 @@ static opcode_handler_t
zend_vm_get_opcode_handler(zend_uchar opcode, zend_op* o
#define EX_Ts() EX(Ts)
-ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
-{
- DCL_OPLINE
-
+static zend_execute_data *zend_create_execute_data_from_op_array(zend_op_array
*op_array, zend_bool nested TSRMLS_DC) {
zend_execute_data *execute_data;
- size_t execute_data_size;
-
- zend_bool nested = 0;
- zend_bool original_in_execution = EG(in_execution);
-
-
-
- if (EG(exception)) {
- return;
- }
-
- EG(in_execution) = 1;
-zend_vm_enter:
/*
* When allocating the execute_data, memory for compiled variables and
* temporary variables is also allocated after the actual
zend_execute_data
@@ -367,11 +351,10 @@ zend_vm_enter:
* In that case the first half contains zval**s and the second half the
* actual zval*s (which would otherwise be in the symbol table).
*/
- execute_data_size =
- ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data)) +
- ZEND_MM_ALIGNED_SIZE(sizeof(zval **) * op_array->last_var *
(EG(active_symbol_table) ? 1 : 2)) +
- ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)) * op_array->T
- ;
+ size_t execute_data_size =
ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data));
+ size_t CVs_size = ZEND_MM_ALIGNED_SIZE(sizeof(zval **) *
op_array->last_var * (EG(active_symbol_table) ? 1 : 2));
+ size_t Ts_size = ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)) *
op_array->T;
+ size_t total_size = execute_data_size + CVs_size + Ts_size;
/*
* Normally the execute_data is allocated on the VM stack (because it
does
@@ -383,14 +366,16 @@ zend_vm_enter:
* by replacing a pointer.
*/
if (op_array->fn_flags & ZEND_ACC_GENERATOR) {
- execute_data = emalloc(execute_data_size);
+ execute_data = emalloc(total_size);
} else {
- execute_data = zend_vm_stack_alloc(execute_data_size TSRMLS_CC);
+ execute_data = zend_vm_stack_alloc(total_size TSRMLS_CC);
}
- EX(CVs) = (zval***)((char*)execute_data +
ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data)));
- memset(EX(CVs), 0, sizeof(zval**) * op_array->last_var);
- EX(Ts) = (temp_variable *)(((char*)EX(CVs)) +
ZEND_MM_ALIGNED_SIZE(sizeof(zval**) * op_array->last_var *
(EG(active_symbol_table) ? 1 : 2)));
+ EX(CVs) = (zval ***) ((char *) execute_data + execute_data_size);
+ memset(EX(CVs), 0, sizeof(zval **) * op_array->last_var);
+
+ EX(Ts) = (temp_variable *) ((char *) EX(CVs) + CVs_size);
+
EX(fbc) = NULL;
EX(called_scope) = NULL;
EX(object) = NULL;
@@ -400,9 +385,6 @@ zend_vm_enter:
EX(prev_execute_data) = EG(current_execute_data);
EG(current_execute_data) = execute_data;
EX(nested) = nested;
- nested = 1;
-
- LOAD_REGS();
if (!op_array->run_time_cache && op_array->last_cache_slot) {
op_array->run_time_cache = ecalloc(op_array->last_cache_slot,
sizeof(void*));
@@ -422,11 +404,31 @@ zend_vm_enter:
EX(opline) = UNEXPECTED((op_array->fn_flags & ZEND_ACC_INTERACTIVE) !=
0) && EG(start_op) ? EG(start_op) : op_array->opcodes;
EG(opline_ptr) = &EX(opline);
- LOAD_OPLINE();
EX(function_state).function = (zend_function *) op_array;
EX(function_state).arguments = NULL;
+ return execute_data;
+}
+
+ZEND_API void execute_ex(zend_execute_data *execute_data TSRMLS_DC)
+{
+ DCL_OPLINE
+
+ zend_bool original_in_execution = EG(in_execution);
+
+
+
+ if (EG(exception)) {
+ return;
+ }
+
+ EG(in_execution) = 1;
+
+zend_vm_enter:
+ LOAD_REGS();
+ LOAD_OPLINE();
+
while (1) {
int ret;
#ifdef ZEND_WIN32
@@ -441,8 +443,7 @@ zend_vm_enter:
EG(in_execution) =
original_in_execution;
return;
case 2:
- op_array = EG(active_op_array);
- goto zend_vm_enter;
+ execute_data =
zend_create_execute_data_from_op_array(EG(active_op_array), 1 TSRMLS_CC);
case 3:
execute_data = EG(current_execute_data);
default:
@@ -454,6 +455,13 @@ zend_vm_enter:
zend_error_noreturn(E_ERROR, "Arrived at end of main loop which
shouldn't happen");
}
+ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
+{
+ zend_execute_data *execute_data =
zend_create_execute_data_from_op_array(op_array, 0 TSRMLS_CC);
+
+ execute_ex(execute_data TSRMLS_CC);
+}
+
static int ZEND_FASTCALL ZEND_JMP_SPEC_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
{
USE_OPLINE
diff --git a/Zend/zend_vm_execute.skl b/Zend/zend_vm_execute.skl
index 359e052..d251e55 100644
--- a/Zend/zend_vm_execute.skl
+++ b/Zend/zend_vm_execute.skl
@@ -1,26 +1,8 @@
{%DEFINES%}
-ZEND_API void {%EXECUTOR_NAME%}(zend_op_array *op_array TSRMLS_DC)
-{
- DCL_OPLINE
-
+static zend_execute_data *zend_create_execute_data_from_op_array(zend_op_array
*op_array, zend_bool nested TSRMLS_DC) {
zend_execute_data *execute_data;
- size_t execute_data_size;
-
- zend_bool nested = 0;
- zend_bool original_in_execution = EG(in_execution);
-
- {%HELPER_VARS%}
-
- {%INTERNAL_LABELS%}
-
- if (EG(exception)) {
- return;
- }
-
- EG(in_execution) = 1;
-zend_vm_enter:
/*
* When allocating the execute_data, memory for compiled variables and
* temporary variables is also allocated after the actual
zend_execute_data
@@ -30,11 +12,10 @@ zend_vm_enter:
* In that case the first half contains zval**s and the second half the
* actual zval*s (which would otherwise be in the symbol table).
*/
- execute_data_size =
- ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data)) +
- ZEND_MM_ALIGNED_SIZE(sizeof(zval **) * op_array->last_var *
(EG(active_symbol_table) ? 1 : 2)) +
- ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)) * op_array->T
- ;
+ size_t execute_data_size =
ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data));
+ size_t CVs_size = ZEND_MM_ALIGNED_SIZE(sizeof(zval **) *
op_array->last_var * (EG(active_symbol_table) ? 1 : 2));
+ size_t Ts_size = ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)) *
op_array->T;
+ size_t total_size = execute_data_size + CVs_size + Ts_size;
/*
* Normally the execute_data is allocated on the VM stack (because it
does
@@ -46,14 +27,16 @@ zend_vm_enter:
* by replacing a pointer.
*/
if (op_array->fn_flags & ZEND_ACC_GENERATOR) {
- execute_data = emalloc(execute_data_size);
+ execute_data = emalloc(total_size);
} else {
- execute_data = zend_vm_stack_alloc(execute_data_size TSRMLS_CC);
+ execute_data = zend_vm_stack_alloc(total_size TSRMLS_CC);
}
- EX(CVs) = (zval***)((char*)execute_data +
ZEND_MM_ALIGNED_SIZE(sizeof(zend_execute_data)));
- memset(EX(CVs), 0, sizeof(zval**) * op_array->last_var);
- EX(Ts) = (temp_variable *)(((char*)EX(CVs)) +
ZEND_MM_ALIGNED_SIZE(sizeof(zval**) * op_array->last_var *
(EG(active_symbol_table) ? 1 : 2)));
+ EX(CVs) = (zval ***) ((char *) execute_data + execute_data_size);
+ memset(EX(CVs), 0, sizeof(zval **) * op_array->last_var);
+
+ EX(Ts) = (temp_variable *) ((char *) EX(CVs) + CVs_size);
+
EX(fbc) = NULL;
EX(called_scope) = NULL;
EX(object) = NULL;
@@ -63,9 +46,6 @@ zend_vm_enter:
EX(prev_execute_data) = EG(current_execute_data);
EG(current_execute_data) = execute_data;
EX(nested) = nested;
- nested = 1;
-
- LOAD_REGS();
if (!op_array->run_time_cache && op_array->last_cache_slot) {
op_array->run_time_cache = ecalloc(op_array->last_cache_slot,
sizeof(void*));
@@ -85,11 +65,33 @@ zend_vm_enter:
EX(opline) = UNEXPECTED((op_array->fn_flags & ZEND_ACC_INTERACTIVE) !=
0) && EG(start_op) ? EG(start_op) : op_array->opcodes;
EG(opline_ptr) = &EX(opline);
- LOAD_OPLINE();
EX(function_state).function = (zend_function *) op_array;
EX(function_state).arguments = NULL;
+ return execute_data;
+}
+
+ZEND_API void {%EXECUTOR_NAME%}_ex(zend_execute_data *execute_data TSRMLS_DC)
+{
+ DCL_OPLINE
+
+ zend_bool original_in_execution = EG(in_execution);
+
+ {%HELPER_VARS%}
+
+ {%INTERNAL_LABELS%}
+
+ if (EG(exception)) {
+ return;
+ }
+
+ EG(in_execution) = 1;
+
+zend_vm_enter:
+ LOAD_REGS();
+ LOAD_OPLINE();
+
while (1) {
{%ZEND_VM_CONTINUE_LABEL%}
#ifdef ZEND_WIN32
@@ -106,6 +108,13 @@ zend_vm_enter:
zend_error_noreturn(E_ERROR, "Arrived at end of main loop which
shouldn't happen");
}
+ZEND_API void {%EXECUTOR_NAME%}(zend_op_array *op_array TSRMLS_DC)
+{
+ zend_execute_data *execute_data =
zend_create_execute_data_from_op_array(op_array, 0 TSRMLS_CC);
+
+ {%EXECUTOR_NAME%}_ex(execute_data TSRMLS_CC);
+}
+
{%EXTERNAL_EXECUTOR%}
void {%INITIALIZER_NAME%}(void)
diff --git a/Zend/zend_vm_gen.php b/Zend/zend_vm_gen.php
index a6314ed..b7fd874 100644
--- a/Zend/zend_vm_gen.php
+++ b/Zend/zend_vm_gen.php
@@ -976,8 +976,7 @@ function gen_executor($f, $skl, $spec, $kind,
$executor_name, $initializer_name,
$m[1]."\t\tEG(in_execution) = original_in_execution;\n".
$m[1]."\t\treturn;\n".
$m[1]."\tcase 2:\n" .
- $m[1]."\t\top_array =
EG(active_op_array);\n".
- $m[1]."\t\tgoto
zend_vm_enter;\n".
+ $m[1]."\t\texecute_data
= zend_create_execute_data_from_op_array(EG(active_op_array), 1 TSRMLS_CC);\n".
$m[1]."\tcase 3:\n" .
$m[1]."\t\texecute_data
= EG(current_execute_data);\n".
$m[1]."\tdefault:\n".--
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