/
zend_vm_gen.php
2571 lines (2408 loc) · 91 KB
/
zend_vm_gen.php
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<?php
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2018 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: Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
$Id$
*/
const HEADER_TEXT = <<< DATA
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2018 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@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| Dmitry Stogov <dmitry@zend.com> |
+----------------------------------------------------------------------+
*/
DATA;
/*
This script creates zend_vm_execute.h and zend_vm_opcodes.h
from existing zend_vm_def.h and zend_vm_execute.skl
*/
error_reporting(E_ALL);
const ZEND_VM_KIND_CALL = 1;
const ZEND_VM_KIND_SWITCH = 2;
const ZEND_VM_KIND_GOTO = 3;
$vm_op_flags = array(
"ZEND_VM_OP_SPEC" => 1<<0,
"ZEND_VM_OP_CONST" => 1<<1,
"ZEND_VM_OP_TMPVAR" => 1<<2,
"ZEND_VM_OP_TMPVARCV" => 1<<3,
"ZEND_VM_OP_MASK" => 0xf0,
"ZEND_VM_OP_NUM" => 0x10,
"ZEND_VM_OP_JMP_ADDR" => 0x20,
"ZEND_VM_OP_TRY_CATCH" => 0x30,
"ZEND_VM_OP_LIVE_RANGE" => 0x40,
"ZEND_VM_OP_THIS" => 0x50,
"ZEND_VM_OP_NEXT" => 0x60,
"ZEND_VM_OP_CLASS_FETCH" => 0x70,
"ZEND_VM_OP_CONSTRUCTOR" => 0x80,
"ZEND_VM_EXT_VAR_FETCH" => 1<<16,
"ZEND_VM_EXT_ISSET" => 1<<17,
"ZEND_VM_EXT_ARG_NUM" => 1<<18,
"ZEND_VM_EXT_ARRAY_INIT" => 1<<19,
"ZEND_VM_EXT_REF" => 1<<20,
"ZEND_VM_EXT_MASK" => 0x0f000000,
"ZEND_VM_EXT_NUM" => 0x01000000,
// unused 0x2000000
"ZEND_VM_EXT_JMP_ADDR" => 0x03000000,
"ZEND_VM_EXT_DIM_OBJ" => 0x04000000,
"ZEND_VM_EXT_CLASS_FETCH" => 0x05000000,
"ZEND_VM_EXT_CONST_FETCH" => 0x06000000,
"ZEND_VM_EXT_TYPE" => 0x07000000,
"ZEND_VM_EXT_EVAL" => 0x08000000,
// unused 0x09000000,
// unused 0x0a000000,
"ZEND_VM_EXT_SRC" => 0x0b000000,
// unused 0x0c000000,
"ZEND_VM_NO_CONST_CONST" => 0x40000000,
"ZEND_VM_COMMUTATIVE" => 0x80000000,
);
foreach ($vm_op_flags as $name => $val) {
define($name, $val);
}
$vm_op_decode = array(
"ANY" => 0,
"CONST" => ZEND_VM_OP_SPEC | ZEND_VM_OP_CONST,
"TMP" => ZEND_VM_OP_SPEC,
"VAR" => ZEND_VM_OP_SPEC,
"UNUSED" => ZEND_VM_OP_SPEC,
"CV" => ZEND_VM_OP_SPEC,
"TMPVAR" => ZEND_VM_OP_SPEC | ZEND_VM_OP_TMPVAR,
"TMPVARCV" => ZEND_VM_OP_SPEC | ZEND_VM_OP_TMPVARCV,
"NUM" => ZEND_VM_OP_NUM,
"JMP_ADDR" => ZEND_VM_OP_JMP_ADDR,
"TRY_CATCH" => ZEND_VM_OP_TRY_CATCH,
"LIVE_RANGE" => ZEND_VM_OP_LIVE_RANGE,
"THIS" => ZEND_VM_OP_THIS,
"NEXT" => ZEND_VM_OP_NEXT,
"CLASS_FETCH" => ZEND_VM_OP_CLASS_FETCH,
"CONSTRUCTOR" => ZEND_VM_OP_CONSTRUCTOR,
);
$vm_ext_decode = array(
"NUM" => ZEND_VM_EXT_NUM,
"JMP_ADDR" => ZEND_VM_EXT_JMP_ADDR,
"DIM_OBJ" => ZEND_VM_EXT_DIM_OBJ,
"CLASS_FETCH" => ZEND_VM_EXT_CLASS_FETCH,
"CONST_FETCH" => ZEND_VM_EXT_CONST_FETCH,
"VAR_FETCH" => ZEND_VM_EXT_VAR_FETCH,
"ARRAY_INIT" => ZEND_VM_EXT_ARRAY_INIT,
"TYPE" => ZEND_VM_EXT_TYPE,
"EVAL" => ZEND_VM_EXT_EVAL,
"ISSET" => ZEND_VM_EXT_ISSET,
"ARG_NUM" => ZEND_VM_EXT_ARG_NUM,
"REF" => ZEND_VM_EXT_REF,
"SRC" => ZEND_VM_EXT_SRC,
);
$vm_kind_name = array(
ZEND_VM_KIND_CALL => "ZEND_VM_KIND_CALL",
ZEND_VM_KIND_SWITCH => "ZEND_VM_KIND_SWITCH",
ZEND_VM_KIND_GOTO => "ZEND_VM_KIND_GOTO",
);
$op_types = array(
"ANY",
"CONST",
"TMP",
"VAR",
"UNUSED",
"CV"
);
$op_types_ex = array(
"ANY",
"CONST",
"TMP",
"VAR",
"UNUSED",
"CV",
"TMPVAR",
"TMPVARCV",
);
$prefix = array(
"ANY" => "",
"TMP" => "_TMP",
"VAR" => "_VAR",
"CONST" => "_CONST",
"UNUSED" => "_UNUSED",
"CV" => "_CV",
"TMPVAR" => "_TMPVAR",
"TMPVARCV" => "_TMPVARCV",
);
$typecode = array(
"ANY" => 0,
"TMP" => 1,
"VAR" => 2,
"CONST" => 0,
"UNUSED" => 3,
"CV" => 4,
"TMPVAR" => 0,
"TMPVARCV" => 0,
);
$commutative_order = array(
"ANY" => 0,
"TMP" => 1,
"VAR" => 2,
"CONST" => 0,
"UNUSED" => 0,
"CV" => 4,
"TMPVAR" => 2,
"TMPVARCV" => 4,
);
$op1_type = array(
"ANY" => "opline->op1_type",
"TMP" => "IS_TMP_VAR",
"VAR" => "IS_VAR",
"CONST" => "IS_CONST",
"UNUSED" => "IS_UNUSED",
"CV" => "IS_CV",
"TMPVAR" => "(IS_TMP_VAR|IS_VAR)",
"TMPVARCV" => "(IS_TMP_VAR|IS_VAR|IS_CV)",
);
$op2_type = array(
"ANY" => "opline->op2_type",
"TMP" => "IS_TMP_VAR",
"VAR" => "IS_VAR",
"CONST" => "IS_CONST",
"UNUSED" => "IS_UNUSED",
"CV" => "IS_CV",
"TMPVAR" => "(IS_TMP_VAR|IS_VAR)",
"TMPVARCV" => "(IS_TMP_VAR|IS_VAR|IS_CV)",
);
$op1_free = array(
"ANY" => "(free_op1 != NULL)",
"TMP" => "1",
"VAR" => "(free_op1 != NULL)",
"CONST" => "0",
"UNUSED" => "0",
"CV" => "0",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_free = array(
"ANY" => "(free_op2 != NULL)",
"TMP" => "1",
"VAR" => "(free_op2 != NULL)",
"CONST" => "0",
"UNUSED" => "0",
"CV" => "0",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr = array(
"ANY" => "get_zval_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr = array(
"ANY" => "get_zval_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr_ptr = array(
"ANY" => "get_zval_ptr_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "NULL",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr_ptr = array(
"ANY" => "get_zval_ptr_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "NULL",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr_deref = array(
"ANY" => "get_zval_ptr_deref(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var_deref(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr_deref = array(
"ANY" => "get_zval_ptr_deref(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var_deref(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr_undef = array(
"ANY" => "get_zval_ptr_undef(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_undef(execute_data, opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_zval_ptr_undef = array(
"ANY" => "get_zval_ptr_undef(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_undef(execute_data, opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_get_zval_ptr_ptr_undef = array(
"ANY" => "get_zval_ptr_ptr_undef(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "NULL",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_undef_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_zval_ptr_ptr_undef = array(
"ANY" => "get_zval_ptr_ptr_undef(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "NULL",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_undef_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_get_obj_zval_ptr = array(
"ANY" => "get_obj_zval_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr = array(
"ANY" => "get_obj_zval_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_undef(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_undef(execute_data, opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var, execute_data, &free_op1)",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_obj_zval_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_undef(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_undef(execute_data, opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var, execute_data, &free_op2)",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_get_obj_zval_ptr_deref = array(
"ANY" => "get_obj_zval_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var, execute_data, &free_op1)",
"VAR" => "_get_zval_ptr_var_deref(opline->op1.var, execute_data, &free_op1)",
"CONST" => "EX_CONSTANT(opline->op1)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_deref_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr_deref = array(
"ANY" => "get_obj_zval_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var, execute_data, &free_op2)",
"VAR" => "_get_zval_ptr_var_deref(opline->op2.var, execute_data, &free_op2)",
"CONST" => "EX_CONSTANT(opline->op2)",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_deref_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_ptr = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "NULL",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr_ptr = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "NULL",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op1_type, opline->op1, execute_data, &free_op1, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var, execute_data, &free_op1)",
"CONST" => "NULL",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_undef_\\1(execute_data, opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_obj_zval_ptr_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op2_type, opline->op2, execute_data, &free_op2, \\1)",
"TMP" => "NULL",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var, execute_data, &free_op2)",
"CONST" => "NULL",
"UNUSED" => "_get_obj_zval_ptr_unused(execute_data)",
"CV" => "_get_zval_ptr_cv_undef_\\1(execute_data, opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_free_op = array(
"ANY" => "FREE_OP(free_op1)",
"TMP" => "zval_ptr_dtor_nogc(free_op1)",
"VAR" => "zval_ptr_dtor_nogc(free_op1)",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(free_op1)",
"TMPVARCV" => "???",
);
$op2_free_op = array(
"ANY" => "FREE_OP(free_op2)",
"TMP" => "zval_ptr_dtor_nogc(free_op2)",
"VAR" => "zval_ptr_dtor_nogc(free_op2)",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(free_op2)",
"TMPVARCV" => "???",
);
$op1_free_op_if_var = array(
"ANY" => "if (opline->op1_type == IS_VAR) {zval_ptr_dtor_nogc(free_op1);}",
"TMP" => "",
"VAR" => "zval_ptr_dtor_nogc(free_op1)",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_free_op_if_var = array(
"ANY" => "if (opline->op2_type == IS_VAR) {zval_ptr_dtor_nogc(free_op2);}",
"TMP" => "",
"VAR" => "zval_ptr_dtor_nogc(free_op2)",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_free_op_var_ptr = array(
"ANY" => "if (free_op1) {zval_ptr_dtor_nogc(free_op1);}",
"TMP" => "",
"VAR" => "if (UNEXPECTED(free_op1)) {zval_ptr_dtor_nogc(free_op1);}",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_free_op_var_ptr = array(
"ANY" => "if (free_op2) {zval_ptr_dtor_nogc(free_op2);}",
"TMP" => "",
"VAR" => "if (UNEXPECTED(free_op2)) {zval_ptr_dtor_nogc(free_op2);}",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_free_unfetched = array(
"ANY" => "FREE_UNFETCHED_OP(opline->op1_type, opline->op1.var)",
"TMP" => "zval_ptr_dtor_nogc(EX_VAR(opline->op1.var))",
"VAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op1.var))",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op1.var))",
"TMPVARCV" => "???",
);
$op2_free_unfetched = array(
"ANY" => "FREE_UNFETCHED_OP(opline->op2_type, opline->op2.var)",
"TMP" => "zval_ptr_dtor_nogc(EX_VAR(opline->op2.var))",
"VAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op2.var))",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op2.var))",
"TMPVARCV" => "???",
);
$op_data_type = array(
"ANY" => "(opline+1)->op1_type",
"TMP" => "IS_TMP_VAR",
"VAR" => "IS_VAR",
"CONST" => "IS_CONST",
"UNUSED" => "IS_UNUSED",
"CV" => "IS_CV",
"TMPVAR" => "(IS_TMP_VAR|IS_VAR)",
"TMPVARCV" => "(IS_TMP_VAR|IS_VAR|IS_CV)",
);
$op_data_get_zval_ptr = array(
"ANY" => "get_zval_ptr((opline+1)->op1_type, (opline+1)->op1, execute_data, &free_op_data, \\1)",
"TMP" => "_get_zval_ptr_tmp((opline+1)->op1.var, execute_data, &free_op_data)",
"VAR" => "_get_zval_ptr_var((opline+1)->op1.var, execute_data, &free_op_data)",
"CONST" => "EX_CONSTANT((opline+1)->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(execute_data, (opline+1)->op1.var)",
"TMPVAR" => "_get_zval_ptr_var((opline+1)->op1.var, execute_data, &free_op_data)",
"TMPVARCV" => "???",
);
$op_data_get_zval_ptr_deref = array(
"ANY" => "get_zval_ptr((opline+1)->op1_type, (opline+1)->op1, execute_data, &free_op_data, \\1)",
"TMP" => "_get_zval_ptr_tmp((opline+1)->op1.var, execute_data, &free_op_data)",
"VAR" => "_get_zval_ptr_var_deref((opline+1)->op1.var, execute_data, &free_op_data)",
"CONST" => "EX_CONSTANT((opline+1)->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1(execute_data, (opline+1)->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op_data_free_op = array(
"ANY" => "FREE_OP(free_op_data)",
"TMP" => "zval_ptr_dtor_nogc(free_op_data)",
"VAR" => "zval_ptr_dtor_nogc(free_op_data)",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(free_op_data)",
"TMPVARCV" => "???",
);
$op_data_free_unfetched = array(
"ANY" => "FREE_UNFETCHED_OP((opline+1)->op1_type, (opline+1)->op1.var)",
"TMP" => "zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var))",
"VAR" => "zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var))",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var))",
"TMPVARCV" => "???",
);
$list = array(); // list of opcode handlers and helpers in original order
$opcodes = array(); // opcode handlers by code
$helpers = array(); // opcode helpers by name
$params = array(); // parameters of helpers
$opnames = array(); // opcode name to code mapping
$line_no = 1;
$used_extra_spec = array();
// Writes $s into resulting executor
function out($f, $s) {
global $line_no;
fputs($f,$s);
$line_no += substr_count($s, "\n");
}
// Resets #line directives in resulting executor
function out_line($f) {
global $line_no, $executor_file;
fputs($f,"#line ".($line_no+1)." \"".$executor_file."\"\n");
++$line_no;
}
// Returns name of specialized helper
function helper_name($name, $spec, $op1, $op2) {
global $prefix, $helpers;
if (isset($helpers[$name])) {
// If we haven't helper with specified spicialized operands then
// using unspecialized helper
if (!isset($helpers[$name]["op1"][$op1]) &&
isset($helpers[$name]["op1"]["ANY"])) {
$op1 = "ANY";
}
if (!isset($helpers[$name]["op2"][$op2]) &&
isset($helpers[$name]["op2"]["ANY"])) {
$op2 = "ANY";
}
}
return $name.($spec?"_SPEC":"").$prefix[$op1].$prefix[$op2];
}
function opcode_name($name, $spec, $op1, $op2) {
global $prefix, $opnames, $opcodes;
if (isset($opnames[$name])) {
$opcode = $opcodes[$opnames[$name]];
// If we haven't helper with specified spicialized operands then
// using unspecialized helper
if (!isset($opcode["op1"][$op1]) &&
isset($opcode["op1"]["ANY"])) {
$op1 = "ANY";
}
if (!isset($opcode["op2"][$op2]) &&
isset($opcode["op2"]["ANY"])) {
$op2 = "ANY";
}
}
return $name.($spec?"_SPEC":"").$prefix[$op1].$prefix[$op2];
}
// Formats condition, protecting it by parentheses when needed.
function format_condition($condition) {
if ($condition === "") {
throw new InvalidArgumentException("A non empty string condition was expected.");
}
if ($condition[0] === "(" && substr($condition, -1) === ")") {
return $condition;
}
return "(".$condition.")";
}
// Generates code for opcode handler or helper
function gen_code($f, $spec, $kind, $export, $code, $op1, $op2, $name, $extra_spec=null) {
global $op1_type, $op2_type, $op1_get_zval_ptr, $op2_get_zval_ptr,
$op1_get_zval_ptr_deref, $op2_get_zval_ptr_deref,
$op1_get_zval_ptr_undef, $op2_get_zval_ptr_undef,
$op1_get_zval_ptr_ptr, $op2_get_zval_ptr_ptr,
$op1_get_zval_ptr_ptr_undef, $op2_get_zval_ptr_ptr_undef,
$op1_get_obj_zval_ptr, $op2_get_obj_zval_ptr,
$op1_get_obj_zval_ptr_undef, $op2_get_obj_zval_ptr_undef,
$op1_get_obj_zval_ptr_deref, $op2_get_obj_zval_ptr_deref,
$op1_get_obj_zval_ptr_ptr, $op2_get_obj_zval_ptr_ptr,
$op1_get_obj_zval_ptr_ptr_undef, $op2_get_obj_zval_ptr_ptr_undef,
$op1_free, $op2_free, $op1_free_unfetched, $op2_free_unfetched,
$op1_free_op, $op2_free_op, $op1_free_op_if_var, $op2_free_op_if_var,
$op1_free_op_var_ptr, $op2_free_op_var_ptr, $prefix,
$op_data_type, $op_data_get_zval_ptr, $op_data_get_zval_ptr_deref,
$op_data_free_op, $op_data_free_unfetched;
// Specializing
$code = preg_replace(
array(
"/OP1_TYPE/",
"/OP2_TYPE/",
"/OP1_FREE/",
"/OP2_FREE/",
"/GET_OP1_ZVAL_PTR\(([^)]*)\)/",
"/GET_OP2_ZVAL_PTR\(([^)]*)\)/",
"/GET_OP1_ZVAL_PTR_DEREF\(([^)]*)\)/",
"/GET_OP2_ZVAL_PTR_DEREF\(([^)]*)\)/",
"/GET_OP1_ZVAL_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP2_ZVAL_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP1_ZVAL_PTR_PTR\(([^)]*)\)/",
"/GET_OP2_ZVAL_PTR_PTR\(([^)]*)\)/",
"/GET_OP1_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP2_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP1_OBJ_ZVAL_PTR\(([^)]*)\)/",
"/GET_OP2_OBJ_ZVAL_PTR\(([^)]*)\)/",
"/GET_OP1_OBJ_ZVAL_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP2_OBJ_ZVAL_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP1_OBJ_ZVAL_PTR_DEREF\(([^)]*)\)/",
"/GET_OP2_OBJ_ZVAL_PTR_DEREF\(([^)]*)\)/",
"/GET_OP1_OBJ_ZVAL_PTR_PTR\(([^)]*)\)/",
"/GET_OP2_OBJ_ZVAL_PTR_PTR\(([^)]*)\)/",
"/GET_OP1_OBJ_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/",
"/GET_OP2_OBJ_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/",
"/FREE_OP1\(\)/",
"/FREE_OP2\(\)/",
"/FREE_OP1_IF_VAR\(\)/",
"/FREE_OP2_IF_VAR\(\)/",
"/FREE_OP1_VAR_PTR\(\)/",
"/FREE_OP2_VAR_PTR\(\)/",
"/FREE_UNFETCHED_OP1\(\)/",
"/FREE_UNFETCHED_OP2\(\)/",
"/^#(\s*)ifdef\s+ZEND_VM_SPEC\s*\n/m",
"/^#(\s*)ifndef\s+ZEND_VM_SPEC\s*\n/m",
"/\!defined\(ZEND_VM_SPEC\)/m",
"/defined\(ZEND_VM_SPEC\)/m",
"/ZEND_VM_C_LABEL\(\s*([A-Za-z_]*)\s*\)/m",
"/ZEND_VM_C_GOTO\(\s*([A-Za-z_]*)\s*\)/m",
"/^#(\s*)if\s+1\s*\\|\\|.*[^\\\\]$/m",
"/^#(\s*)if\s+0\s*&&.*[^\\\\]$/m",
"/^#(\s*)ifdef\s+ZEND_VM_EXPORT\s*\n/m",
"/^#(\s*)ifndef\s+ZEND_VM_EXPORT\s*\n/m",
"/OP_DATA_TYPE/",
"/GET_OP_DATA_ZVAL_PTR\(([^)]*)\)/",
"/GET_OP_DATA_ZVAL_PTR_DEREF\(([^)]*)\)/",
"/FREE_OP_DATA\(\)/",
"/FREE_UNFETCHED_OP_DATA\(\)/",
"/RETURN_VALUE_USED\(opline\)/",
"/arg_num <= MAX_ARG_FLAG_NUM/",
"/ZEND_VM_SMART_BRANCH\(\s*([^,)]*)\s*,\s*([^)]*)\s*\)/",
"/opline->extended_value\s*==\s*0/",
"/opline->extended_value\s*==\s*ZEND_ASSIGN_DIM/",
"/opline->extended_value\s*==\s*ZEND_ASSIGN_OBJ/",
),
array(
$op1_type[$op1],
$op2_type[$op2],
$op1_free[$op1],
$op2_free[$op2],
$op1_get_zval_ptr[$op1],
$op2_get_zval_ptr[$op2],
$op1_get_zval_ptr_deref[$op1],
$op2_get_zval_ptr_deref[$op2],
$op1_get_zval_ptr_undef[$op1],
$op2_get_zval_ptr_undef[$op2],
$op1_get_zval_ptr_ptr[$op1],
$op2_get_zval_ptr_ptr[$op2],
$op1_get_zval_ptr_ptr_undef[$op1],
$op2_get_zval_ptr_ptr_undef[$op2],
$op1_get_obj_zval_ptr[$op1],
$op2_get_obj_zval_ptr[$op2],
$op1_get_obj_zval_ptr_undef[$op1],
$op2_get_obj_zval_ptr_undef[$op2],
$op1_get_obj_zval_ptr_deref[$op1],
$op2_get_obj_zval_ptr_deref[$op2],
$op1_get_obj_zval_ptr_ptr[$op1],
$op2_get_obj_zval_ptr_ptr[$op2],
$op1_get_obj_zval_ptr_ptr_undef[$op1],
$op2_get_obj_zval_ptr_ptr_undef[$op2],
$op1_free_op[$op1],
$op2_free_op[$op2],
$op1_free_op_if_var[$op1],
$op2_free_op_if_var[$op2],
$op1_free_op_var_ptr[$op1],
$op2_free_op_var_ptr[$op2],
$op1_free_unfetched[$op1],
$op2_free_unfetched[$op2],
($op1!="ANY"||$op2!="ANY")?"#\\1if 1\n":"#\\1if 0\n",
($op1!="ANY"||$op2!="ANY")?"#\\1if 0\n":"#\\1if 1\n",
($op1!="ANY"||$op2!="ANY")?"0":"1",
($op1!="ANY"||$op2!="ANY")?"1":"0",
"\\1".(($spec && $kind != ZEND_VM_KIND_CALL)?("_SPEC".$prefix[$op1].$prefix[$op2].extra_spec_name($extra_spec)):""),
"goto \\1".(($spec && $kind != ZEND_VM_KIND_CALL)?("_SPEC".$prefix[$op1].$prefix[$op2].extra_spec_name($extra_spec)):""),
"#\\1if 1",
"#\\1if 0",
$export?"#\\1if 1\n":"#\\1if 0\n",
$export?"#\\1if 0\n":"#\\1if 1\n",
$op_data_type[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
$op_data_get_zval_ptr[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
$op_data_get_zval_ptr_deref[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
$op_data_free_op[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
$op_data_free_unfetched[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
isset($extra_spec['RETVAL']) ? $extra_spec['RETVAL'] : "RETURN_VALUE_USED(opline)",
isset($extra_spec['QUICK_ARG']) ? $extra_spec['QUICK_ARG'] : "arg_num <= MAX_ARG_FLAG_NUM",
isset($extra_spec['SMART_BRANCH']) ?
($extra_spec['SMART_BRANCH'] == 1 ?
"ZEND_VM_SMART_BRANCH_JMPZ(\\1, \\2)"
: ($extra_spec['SMART_BRANCH'] == 2 ?
"ZEND_VM_SMART_BRANCH_JMPNZ(\\1, \\2)" : ""))
: "ZEND_VM_SMART_BRANCH(\\1, \\2)",
isset($extra_spec['DIM_OBJ']) ?
($extra_spec['DIM_OBJ'] == 0 ? "1" : "0")
: "\\0",
isset($extra_spec['DIM_OBJ']) ?
($extra_spec['DIM_OBJ'] == 1 ? "1" : "0")
: "\\0",
isset($extra_spec['DIM_OBJ']) ?
($extra_spec['DIM_OBJ'] == 2 ? "1" : "0")
: "\\0",
),
$code);
if (0 && strpos($code, '{') === 0) {
$code = "{\n\tfprintf(stderr, \"$name\\n\");\n" . substr($code, 1);
}
// Updating code according to selected threading model
switch($kind) {
case ZEND_VM_KIND_CALL:
$code = preg_replace_callback(
array(
"/EXECUTE_DATA/m",
"/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m",
"/ZEND_VM_DISPATCH_TO_HELPER\(\s*([A-Za-z_]*)\s*(,[^)]*)?\)/m",
),
function($matches) use ($spec, $prefix, $op1, $op2) {
if (strncasecmp($matches[0], "EXECUTE_DATA", strlen("EXECUTE_DATA")) == 0) {
return "execute_data";
} else if (strncasecmp($matches[0], "ZEND_VM_DISPATCH_TO_HANDLER", strlen("ZEND_VM_DISPATCH_TO_HANDLER")) == 0) {
return "ZEND_VM_TAIL_CALL(" . opcode_name($matches[1], $spec, $op1, $op2) . "_HANDLER(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU))";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = substr(preg_replace("/,\s*[A-Za-z_]*\s*,\s*([^,)\s]*)\s*/", ", $1", $matches[2]), 2);
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2) . "(" . $args. " ZEND_OPCODE_HANDLER_ARGS_PASSTHRU_CC))";
}
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2) . "(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU))";
}
},
$code);
break;
case ZEND_VM_KIND_SWITCH:
$code = preg_replace_callback(
array(
"/EXECUTE_DATA/m",
"/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m",
"/ZEND_VM_DISPATCH_TO_HELPER\(\s*([A-Za-z_]*)\s*(,[^)]*)?\)/m",
),
function($matches) use ($spec, $prefix, $op1, $op2) {
if (strncasecmp($matches[0], "EXECUTE_DATA", strlen("EXECUTE_DATA")) == 0) {
return "execute_data";
} else if (strncasecmp($matches[0], "ZEND_VM_DISPATCH_TO_HANDLER", strlen("ZEND_VM_DISPATCH_TO_HANDLER")) == 0) {
return "goto " . opcode_name($matches[1], $spec, $op1, $op2) . "_LABEL";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = preg_replace("/,\s*([A-Za-z_]*)\s*,\s*([^,)\s]*)\s*/", "$1 = $2; ", $matches[2]);
return $args . "goto " . helper_name($matches[1], $spec, $op1, $op2);
}
return "goto " . helper_name($matches[1], $spec, $op1, $op2);
}
},
$code);
break;
case ZEND_VM_KIND_GOTO:
$code = preg_replace_callback(
array(
"/EXECUTE_DATA/m",
"/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m",
"/ZEND_VM_DISPATCH_TO_HELPER\(\s*([A-Za-z_]*)\s*(,[^)]*)?\)/m",
),
function($matches) use ($spec, $prefix, $op1, $op2) {
if (strncasecmp($matches[0], "EXECUTE_DATA", strlen("EXECUTE_DATA")) == 0) {
return "execute_data";
} else if (strncasecmp($matches[0], "ZEND_VM_DISPATCH_TO_HANDLER", strlen("ZEND_VM_DISPATCH_TO_HANDLER")) == 0) {
return "goto " . opcode_name($matches[1], $spec, $op1, $op2) . "_HANDLER";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = preg_replace("/,\s*([A-Za-z_]*)\s*,\s*([^,)\s]*)\s*/", "$1 = $2; ", $matches[2]);
return $args . "goto " . helper_name($matches[1], $spec, $op1, $op2);
}
return "goto " . helper_name($matches[1], $spec, $op1, $op2);
}
},
$code);
break;
}
/* Remove unused free_op1 and free_op2 declarations */
if ($spec && preg_match_all('/^\s*zend_free_op\s+[^;]+;\s*$/me', $code, $matches, PREG_SET_ORDER)) {
$n = 0;
foreach ($matches as $match) {
$code = preg_replace('/'.preg_quote($match[0],'/').'/', "\$D$n", $code);
++$n;
}
$del_free_op1 = (strpos($code, "free_op1") === false);
$del_free_op2 = (strpos($code, "free_op2") === false);
$del_free_op_data = (strpos($code, "free_op_data") === false);
$n = 0;
foreach ($matches as $match) {
$dcl = $match[0];
$changed = 0;
if ($del_free_op1 && strpos($dcl, "free_op1") !== false) {
$dcl = preg_replace("/free_op1\s*,\s*/", "", $dcl);
$dcl = preg_replace("/free_op1\s*;/", ";", $dcl);
$changed = 1;
}
if ($del_free_op2 && strpos($dcl, "free_op2") !== false) {
$dcl = preg_replace("/free_op2\s*,\s*/", "", $dcl);
$dcl = preg_replace("/free_op2\s*;/", ";", $dcl);
$changed = 1;
}
if ($del_free_op_data && strpos($dcl, "free_op_data") !== false) {
$dcl = preg_replace("/free_op_data\s*,\s*/", "", $dcl);
$dcl = preg_replace("/free_op_data\s*;/", ";", $dcl);
$changed = 1;
}
if ($changed) {
$dcl = preg_replace("/,\s*;/", ";", $dcl);
$dcl = preg_replace("/zend_free_op\s*;/", "", $dcl);
}
$code = preg_replace("/\\\$D$n/", $dcl, $code);
++$n;
}
}
/* Remove unnecessary ';' */
$code = preg_replace('/^\s*;\s*$/m', '', $code);
/* Remove WS */
$code = preg_replace('/[ \t]+\n/m', "\n", $code);
out($f, $code);
}
// Generates opcode handler
function gen_handler($f, $spec, $kind, $name, $op1, $op2, $use, $code, $lineno, $extra_spec = null, &$switch_labels = array()) {
global $definition_file, $prefix, $typecode, $opnames, $commutative_order;
if ($spec &&
isset($extra_spec["NO_CONST_CONST"]) &&
$op1 == "CONST" && $op2 == "CONST") {
// Skip useless constant handlers
return;
}
if ($spec &&
isset($extra_spec["COMMUTATIVE"]) &&
$commutative_order[$op1] > $commutative_order[$op2]) {
// Skip duplicate commutative handlers
return;
}
if ($spec &&
isset($extra_spec["DIM_OBJ"]) &&
(($op2 == "UNUSED" && $extra_spec["DIM_OBJ"] != 1) ||
($op1 == "UNUSED" && $extra_spec["DIM_OBJ"] != 2))) {
// Skip useless handlers
return;
}
if (ZEND_VM_LINES) {
out($f, "#line $lineno \"$definition_file\"\n");
}
// Generate opcode handler's entry point according to selected threading model
$spec_name = $name.($spec?"_SPEC":"").$prefix[$op1].$prefix[$op2].($spec?extra_spec_name($extra_spec):"");
switch($kind) {
case ZEND_VM_KIND_CALL:
out($f,"static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL {$spec_name}_HANDLER(ZEND_OPCODE_HANDLER_ARGS)\n");
break;
case ZEND_VM_KIND_SWITCH:
if ($spec) {
$cur = $switch_labels ? end($switch_labels) + 1 : 0;
out($f,"case $cur: /* $spec_name */");
$switch_labels[$spec_name] = $cur;
} else {
out($f,"case ".$name.":");
}
if ($use) {
// This handler is used by other handlers. We will add label to call it.
out($f," {$spec_name}_LABEL:\n");
} else {
out($f,"\n");
}
break;
case ZEND_VM_KIND_GOTO:
out($f,"{$spec_name}_HANDLER: ZEND_VM_GUARD($spec_name);\n");
break;
}
// Generate opcode handler's code