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Copy pathzend_vm_gen.php
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zend_vm_gen.php
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#!/usr/bin/env php
<?php
/*
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <[email protected]> |
+----------------------------------------------------------------------+
*/
const HEADER_TEXT = <<< DATA
/*
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <[email protected]> |
| Zeev Suraski <[email protected]> |
| Dmitry Stogov <[email protected]> |
+----------------------------------------------------------------------+
*/
DATA;
/*
This script creates zend_vm_execute.h and zend_vm_opcodes.{h,c}
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;
const ZEND_VM_KIND_HYBRID = 4;
$vm_op_flags = array(
"ZEND_VM_OP_SPEC" => 1<<0,
"ZEND_VM_OP_CONST" => 1<<1,
"ZEND_VM_OP_TMPVAR" => 1<<2,
"ZEND_VM_OP_TMPVARCV" => 1<<3,
"ZEND_VM_OP_MASK" => 0xf0,
"ZEND_VM_OP_NUM" => 0x10,
"ZEND_VM_OP_JMP_ADDR" => 0x20,
"ZEND_VM_OP_TRY_CATCH" => 0x30,
// unused 0x40
"ZEND_VM_OP_THIS" => 0x50,
"ZEND_VM_OP_NEXT" => 0x60,
"ZEND_VM_OP_CLASS_FETCH" => 0x70,
"ZEND_VM_OP_CONSTRUCTOR" => 0x80,
"ZEND_VM_OP_CONST_FETCH" => 0x90,
"ZEND_VM_OP_CACHE_SLOT" => 0xa0,
"ZEND_VM_EXT_VAR_FETCH" => 1<<16,
"ZEND_VM_EXT_ISSET" => 1<<17,
"ZEND_VM_EXT_CACHE_SLOT" => 1<<18,
"ZEND_VM_EXT_ARRAY_INIT" => 1<<19,
"ZEND_VM_EXT_REF" => 1<<20,
"ZEND_VM_EXT_FETCH_REF" => 1<<21,
"ZEND_VM_EXT_DIM_WRITE" => 1<<22,
"ZEND_VM_EXT_MASK" => 0x0f000000,
"ZEND_VM_EXT_NUM" => 0x01000000,
"ZEND_VM_EXT_LAST_CATCH" => 0x02000000,
"ZEND_VM_EXT_JMP_ADDR" => 0x03000000,
"ZEND_VM_EXT_OP" => 0x04000000,
// unused 0x5000000
// unused 0x6000000
"ZEND_VM_EXT_TYPE" => 0x07000000,
"ZEND_VM_EXT_EVAL" => 0x08000000,
"ZEND_VM_EXT_TYPE_MASK" => 0x09000000,
// unused 0x0a000000,
"ZEND_VM_EXT_SRC" => 0x0b000000,
// unused 0x0c000000,
"ZEND_VM_NO_CONST_CONST" => 0x40000000,
"ZEND_VM_COMMUTATIVE" => 0x80000000,
);
foreach ($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,
"THIS" => ZEND_VM_OP_THIS,
"NEXT" => ZEND_VM_OP_NEXT,
"CLASS_FETCH" => ZEND_VM_OP_CLASS_FETCH,
"CONSTRUCTOR" => ZEND_VM_OP_CONSTRUCTOR,
"CONST_FETCH" => ZEND_VM_OP_CONST_FETCH,
"CACHE_SLOT" => ZEND_VM_OP_CACHE_SLOT,
);
$vm_ext_decode = array(
"NUM" => ZEND_VM_EXT_NUM,
"LAST_CATCH" => ZEND_VM_EXT_LAST_CATCH,
"JMP_ADDR" => ZEND_VM_EXT_JMP_ADDR,
"OP" => ZEND_VM_EXT_OP,
"VAR_FETCH" => ZEND_VM_EXT_VAR_FETCH,
"ARRAY_INIT" => ZEND_VM_EXT_ARRAY_INIT,
"TYPE" => ZEND_VM_EXT_TYPE,
"EVAL" => ZEND_VM_EXT_EVAL,
"TYPE_MASK" => ZEND_VM_EXT_TYPE_MASK,
"ISSET" => ZEND_VM_EXT_ISSET,
"REF" => ZEND_VM_EXT_REF,
"FETCH_REF" => ZEND_VM_EXT_FETCH_REF,
"SRC" => ZEND_VM_EXT_SRC,
"CACHE_SLOT" => ZEND_VM_EXT_CACHE_SLOT,
"DIM_WRITE" => ZEND_VM_EXT_DIM_WRITE,
);
$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",
ZEND_VM_KIND_HYBRID => "ZEND_VM_KIND_HYBRID",
);
$op_types = array(
"ANY",
"CONST",
"TMP",
"VAR",
"UNUSED",
"CV",
);
$op_types_ex = array(
"ANY",
"CONST",
"TMPVARCV",
"TMPVAR",
"TMP",
"VAR",
"UNUSED",
"CV",
);
$prefix = array(
"ANY" => "",
"TMP" => "_TMP",
"VAR" => "_VAR",
"CONST" => "_CONST",
"UNUSED" => "_UNUSED",
"CV" => "_CV",
"TMPVAR" => "_TMPVAR",
"TMPVARCV" => "_TMPVARCV",
);
$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_get_zval_ptr = array(
"ANY" => "get_zval_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr = array(
"ANY" => "get_zval_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr_ptr = array(
"ANY" => "get_zval_ptr_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr_ptr = array(
"ANY" => "get_zval_ptr_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_zval_ptr_deref = array(
"ANY" => "get_zval_ptr_deref(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var_deref(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "_get_zval_ptr_tmpvarcv(opline->op1_type, opline->op1, \\1 EXECUTE_DATA_CC)",
);
$op2_get_zval_ptr_deref = array(
"ANY" => "get_zval_ptr_deref(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var_deref(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "_get_zval_ptr_tmpvarcv(opline->op2_type, opline->op2, \\1 EXECUTE_DATA_CC)",
);
$op1_get_zval_ptr_undef = array(
"ANY" => "get_zval_ptr_undef(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "NULL",
"CV" => "EX_VAR(opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_zval_ptr_undef = array(
"ANY" => "get_zval_ptr_undef(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "NULL",
"CV" => "EX_VAR(opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_get_zval_ptr_ptr_undef = array(
"ANY" => "get_zval_ptr_ptr_undef(opline->op1_type, opline->op1, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "NULL",
"CV" => "EX_VAR(opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_zval_ptr_ptr_undef = array(
"ANY" => "get_zval_ptr_ptr_undef(opline->op2_type, opline->op2, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "NULL",
"CV" => "EX_VAR(opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr = array(
"ANY" => "get_obj_zval_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr = array(
"ANY" => "get_obj_zval_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_undef(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "&EX(This)",
"CV" => "EX_VAR(opline->op1.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "EX_VAR(opline->op1.var)",
);
$op2_get_obj_zval_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_undef(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "&EX(This)",
"CV" => "EX_VAR(opline->op2.var)",
"TMPVAR" => "_get_zval_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"TMPVARCV" => "EX_VAR(opline->op2.var)",
);
$op1_get_obj_zval_ptr_deref = array(
"ANY" => "get_obj_zval_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var_deref(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op1)",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_deref_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr_deref = array(
"ANY" => "get_obj_zval_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "_get_zval_ptr_tmp(opline->op2.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var_deref(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT(opline, opline->op2)",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_deref_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_ptr = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_\\1(opline->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr_ptr = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "&EX(This)",
"CV" => "_get_zval_ptr_cv_\\1(opline->op2.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_get_obj_zval_ptr_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op1_type, opline->op1, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op1.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "&EX(This)",
"CV" => "EX_VAR(opline->op1.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_get_obj_zval_ptr_ptr_undef = array(
"ANY" => "get_obj_zval_ptr_ptr(opline->op2_type, opline->op2, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var(opline->op2.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "&EX(This)",
"CV" => "EX_VAR(opline->op2.var)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op1_free_op = array(
"ANY" => "FREE_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" => "FREE_OP(opline->op1_type, opline->op1.var)",
);
$op2_free_op = array(
"ANY" => "FREE_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" => "FREE_OP(opline->op2_type, opline->op2.var)",
);
$op1_free_op_if_var = array(
"ANY" => "if (opline->op1_type == IS_VAR) {zval_ptr_dtor_nogc(EX_VAR(opline->op1.var));}",
"TMP" => "",
"VAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op1.var))",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op2_free_op_if_var = array(
"ANY" => "if (opline->op2_type == IS_VAR) {zval_ptr_dtor_nogc(EX_VAR(opline->op2.var));}",
"TMP" => "",
"VAR" => "zval_ptr_dtor_nogc(EX_VAR(opline->op2.var))",
"CONST" => "",
"UNUSED" => "",
"CV" => "",
"TMPVAR" => "???",
"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_op_data_zval_ptr_r((opline+1)->op1_type, (opline+1)->op1)",
"TMP" => "_get_zval_ptr_tmp((opline+1)->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var((opline+1)->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT((opline+1), (opline+1)->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1((opline+1)->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "_get_zval_ptr_var((opline+1)->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "???",
);
$op_data_get_zval_ptr_undef = array(
"ANY" => "get_op_data_zval_ptr_undef((opline+1)->op1_type, (opline+1)->op1)",
"TMP" => "_get_zval_ptr_tmp((opline+1)->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var((opline+1)->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT((opline+1), (opline+1)->op1)",
"UNUSED" => "NULL",
"CV" => "EX_VAR((opline+1)->op1.var)",
"TMPVAR" => "_get_zval_ptr_var((opline+1)->op1.var EXECUTE_DATA_CC)",
"TMPVARCV" => "EX_VAR((opline+1)->op1.var)",
);
$op_data_get_zval_ptr_deref = array(
"ANY" => "get_op_data_zval_ptr_deref_r((opline+1)->op1_type, (opline+1)->op1)",
"TMP" => "_get_zval_ptr_tmp((opline+1)->op1.var EXECUTE_DATA_CC)",
"VAR" => "_get_zval_ptr_var_deref((opline+1)->op1.var EXECUTE_DATA_CC)",
"CONST" => "RT_CONSTANT((opline+1), (opline+1)->op1)",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_deref_\\1((opline+1)->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op_data_get_zval_ptr_ptr = array(
"ANY" => "get_zval_ptr_ptr((opline+1)->op1_type, (opline+1)->op1, \\1)",
"TMP" => "zend_get_bad_ptr()",
"VAR" => "_get_zval_ptr_ptr_var((opline+1)->op1.var EXECUTE_DATA_CC)",
"CONST" => "zend_get_bad_ptr()",
"UNUSED" => "NULL",
"CV" => "_get_zval_ptr_cv_\\1((opline+1)->op1.var EXECUTE_DATA_CC)",
"TMPVAR" => "???",
"TMPVARCV" => "???",
);
$op_data_free_op = array(
"ANY" => "FREE_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");
++$line_no;
}
function is_hot_helper($name) {
global $helpers;
if (isset($helpers[$name]["hot"])) {
return $helpers[$name]["hot"];
}
return false;
}
// Returns name of specialized helper
function helper_name($name, $spec, $op1, $op2, $extra_spec) {
global $prefix, $helpers;
$extra = "";
if (isset($helpers[$name])) {
// If we have no helper with specified specialized operands then
// using unspecialized helper
if (!isset($helpers[$name]["op1"][$op1])) {
if (($op1 == 'TMP' || $op1 == 'VAR') &&
isset($helpers[$name]["op1"]["TMPVAR"])) {
$op1 = "TMPVAR";
} else if (($op1 == 'TMP' || $op1 == 'VAR') &&
isset($helpers[$name]["op1"]["TMPVARCV"])) {
$op1 = "TMPVARCV";
} else if ($op1 == 'CV' &&
isset($helpers[$name]["op1"]["TMPVARCV"])) {
$op1 = "TMPVARCV";
} else if (isset($helpers[$name]["op1"]["ANY"])) {
$op1 = "ANY";
}
}
if (!isset($helpers[$name]["op2"][$op2])) {
if (($op2 == 'TMP' || $op2 == 'VAR') &&
isset($helpers[$name]["op2"]["TMPVAR"])) {
$op2 = "TMPVAR";
} else if (($op2 == 'TMP' || $op2 == 'VAR') &&
isset($helpers[$name]["op2"]["TMPVARCV"])) {
$op2 = "TMPVARCV";
} else if ($op2 == 'CV' &&
isset($helpers[$name]["op2"]["TMPVARCV"])) {
$op2 = "TMPVARCV";
} else if (isset($helpers[$name]["op2"]["ANY"])) {
$op2 = "ANY";
}
}
/* forward common specs (e.g. in ZEND_VM_DISPATCH_TO_HELPER) */
if (isset($extra_spec, $helpers[$name]["spec"])) {
$extra = extra_spec_name(array_intersect_key($extra_spec, $helpers[$name]["spec"]));
}
}
return $name . ($spec ? "_SPEC" : "") . $prefix[$op1] . $prefix[$op2] . $extra;
}
function opcode_name($name, $spec, $op1, $op2, $extra_spec) {
global $prefix, $opnames, $opcodes;
$extra = "";
if (isset($opnames[$name])) {
$opcode = $opcodes[$opnames[$name]];
// If we have no helper with specified specialized operands then
// using unspecialized helper
if (!isset($opcode["op1"][$op1])) {
if (($op1 == 'TMP' || $op1 == 'VAR') &&
isset($opcode["op1"]["TMPVAR"])) {
$op1 = "TMPVAR";
} else if (($op1 == 'TMP' || $op1 == 'VAR') &&
isset($opcode["op1"]["TMPVARCV"])) {
$op1 = "TMPVARCV";
} else if ($op1 == 'CV' &&
isset($opcode["op1"]["TMPVARCV"])) {
$op1 = "TMPVARCV";
} else if (isset($opcode["op1"]["ANY"])) {
$op1 = "ANY";
} else if ($spec) {
/* dispatch to invalid handler from unreachable code */
return "ZEND_NULL";
}
}
if (!isset($opcode["op2"][$op2])) {
if (($op2 == 'TMP' || $op2 == 'VAR') &&
isset($opcode["op2"]["TMPVAR"])) {
$op2 = "TMPVAR";
} else if (($op2 == 'TMP' || $op2 == 'VAR') &&
isset($opcode["op2"]["TMPVARCV"])) {
$op2 = "TMPVARCV";
} else if ($op2 == 'CV' &&
isset($opcode["op2"]["TMPVARCV"])) {
$op2 = "TMPVARCV";
} else if (isset($opcode["op2"]["ANY"])) {
$op2 = "ANY";
} else if ($spec) {
/* dispatch to unknown handler in unreachable code */
return "ZEND_NULL";
}
}
/* forward common specs (e.g. in ZEND_VM_DISPATCH_TO_HANDLER) */
if (isset($extra_spec, $opcode["spec"])) {
$extra = extra_spec_name(array_intersect_key($extra_spec, $opcode["spec"]));
}
}
return $name . ($spec ? "_SPEC" : "") . $prefix[$op1] . $prefix[$op2] . $extra;
}
// Formats condition, protecting it by parentheses when needed.
function format_condition($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, $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_op, $op2_free_op, $op1_free_op_if_var, $op2_free_op_if_var,
$prefix,
$op_data_type, $op_data_get_zval_ptr, $op_data_get_zval_ptr_undef,
$op_data_get_zval_ptr_deref, $op_data_get_zval_ptr_ptr,
$op_data_free_op;
// Specializing
$specialized_replacements = array(
"/OP1_TYPE/" => $op1_type[$op1],
"/OP2_TYPE/" => $op2_type[$op2],
"/GET_OP1_ZVAL_PTR\(([^)]*)\)/" => $op1_get_zval_ptr[$op1],
"/GET_OP2_ZVAL_PTR\(([^)]*)\)/" => $op2_get_zval_ptr[$op2],
"/GET_OP1_ZVAL_PTR_DEREF\(([^)]*)\)/" => $op1_get_zval_ptr_deref[$op1],
"/GET_OP2_ZVAL_PTR_DEREF\(([^)]*)\)/" => $op2_get_zval_ptr_deref[$op2],
"/GET_OP1_ZVAL_PTR_UNDEF\(([^)]*)\)/" => $op1_get_zval_ptr_undef[$op1],
"/GET_OP2_ZVAL_PTR_UNDEF\(([^)]*)\)/" => $op2_get_zval_ptr_undef[$op2],
"/GET_OP1_ZVAL_PTR_PTR\(([^)]*)\)/" => $op1_get_zval_ptr_ptr[$op1],
"/GET_OP2_ZVAL_PTR_PTR\(([^)]*)\)/" => $op2_get_zval_ptr_ptr[$op2],
"/GET_OP1_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/" => $op1_get_zval_ptr_ptr_undef[$op1],
"/GET_OP2_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/" => $op2_get_zval_ptr_ptr_undef[$op2],
"/GET_OP1_OBJ_ZVAL_PTR\(([^)]*)\)/" => $op1_get_obj_zval_ptr[$op1],
"/GET_OP2_OBJ_ZVAL_PTR\(([^)]*)\)/" => $op2_get_obj_zval_ptr[$op2],
"/GET_OP1_OBJ_ZVAL_PTR_UNDEF\(([^)]*)\)/" => $op1_get_obj_zval_ptr_undef[$op1],
"/GET_OP2_OBJ_ZVAL_PTR_UNDEF\(([^)]*)\)/" => $op2_get_obj_zval_ptr_undef[$op2],
"/GET_OP1_OBJ_ZVAL_PTR_DEREF\(([^)]*)\)/" => $op1_get_obj_zval_ptr_deref[$op1],
"/GET_OP2_OBJ_ZVAL_PTR_DEREF\(([^)]*)\)/" => $op2_get_obj_zval_ptr_deref[$op2],
"/GET_OP1_OBJ_ZVAL_PTR_PTR\(([^)]*)\)/" => $op1_get_obj_zval_ptr_ptr[$op1],
"/GET_OP2_OBJ_ZVAL_PTR_PTR\(([^)]*)\)/" => $op2_get_obj_zval_ptr_ptr[$op2],
"/GET_OP1_OBJ_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/" => $op1_get_obj_zval_ptr_ptr_undef[$op1],
"/GET_OP2_OBJ_ZVAL_PTR_PTR_UNDEF\(([^)]*)\)/" => $op2_get_obj_zval_ptr_ptr_undef[$op2],
"/FREE_OP1\(\)/" => $op1_free_op[$op1],
"/FREE_OP2\(\)/" => $op2_free_op[$op2],
"/FREE_OP1_IF_VAR\(\)/" => $op1_free_op_if_var[$op1],
"/FREE_OP2_IF_VAR\(\)/" => $op2_free_op_if_var[$op2],
"/\!ZEND_VM_SPEC/m" => ($op1!="ANY"||$op2!="ANY"||$extra_spec)?"0":"1",
"/ZEND_VM_SPEC/m" => ($op1!="ANY"||$op2!="ANY"||$extra_spec)?"1":"0",
"/ZEND_VM_C_LABEL\(\s*([A-Za-z_]*)\s*\)/m" => "\\1".(($spec && $kind != ZEND_VM_KIND_CALL)?("_SPEC".$prefix[$op1].$prefix[$op2].extra_spec_name($extra_spec)):""),
"/ZEND_VM_C_GOTO\(\s*([A-Za-z_]*)\s*\)/m" => "goto \\1".(($spec && $kind != ZEND_VM_KIND_CALL)?("_SPEC".$prefix[$op1].$prefix[$op2].extra_spec_name($extra_spec)):""),
"/^#(\s*)if\s+1\s*\\|\\|.*[^\\\\]$/m" => "#\\1if 1",
"/^#(\s*)if\s+0\s*&&.*[^\\\\]$/m" => "#\\1if 0",
"/^#(\s*)elif\s+1\s*\\|\\|.*[^\\\\]$/m" => "#\\1elif 1",
"/^#(\s*)elif\s+0\s*&&.*[^\\\\]$/m" => "#\\1elif 0",
"/OP_DATA_TYPE/" => $op_data_type[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/GET_OP_DATA_ZVAL_PTR\(([^)]*)\)/" => $op_data_get_zval_ptr[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/GET_OP_DATA_ZVAL_PTR_UNDEF\(([^)]*)\)/" => $op_data_get_zval_ptr_undef[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/GET_OP_DATA_ZVAL_PTR_DEREF\(([^)]*)\)/" => $op_data_get_zval_ptr_deref[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/GET_OP_DATA_ZVAL_PTR_PTR\(([^)]*)\)/" => $op_data_get_zval_ptr_ptr[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/FREE_OP_DATA\(\)/" => $op_data_free_op[isset($extra_spec['OP_DATA']) ? $extra_spec['OP_DATA'] : "ANY"],
"/RETURN_VALUE_USED\(opline\)/" => isset($extra_spec['RETVAL']) ? $extra_spec['RETVAL'] : "RETURN_VALUE_USED(opline)",
"/arg_num <= MAX_ARG_FLAG_NUM/" => isset($extra_spec['QUICK_ARG']) ? $extra_spec['QUICK_ARG'] : "arg_num <= MAX_ARG_FLAG_NUM",
"/ZEND_VM_SMART_BRANCH\(\s*([^,)]*)\s*,\s*([^)]*)\s*\)/" => 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_NONE(\\1, \\2)"))
: "ZEND_VM_SMART_BRANCH(\\1, \\2)",
"/ZEND_VM_SMART_BRANCH_TRUE\(\s*\)/" => isset($extra_spec['SMART_BRANCH']) ?
($extra_spec['SMART_BRANCH'] == 1 ?
"ZEND_VM_SMART_BRANCH_TRUE_JMPZ()"
: ($extra_spec['SMART_BRANCH'] == 2 ?
"ZEND_VM_SMART_BRANCH_TRUE_JMPNZ()" : "ZEND_VM_SMART_BRANCH_TRUE_NONE()"))
: "ZEND_VM_SMART_BRANCH_TRUE()",
"/ZEND_VM_SMART_BRANCH_FALSE\(\s*\)/" => isset($extra_spec['SMART_BRANCH']) ?
($extra_spec['SMART_BRANCH'] == 1 ?
"ZEND_VM_SMART_BRANCH_FALSE_JMPZ()"
: ($extra_spec['SMART_BRANCH'] == 2 ?
"ZEND_VM_SMART_BRANCH_FALSE_JMPNZ()" : "ZEND_VM_SMART_BRANCH_FALSE_NONE()"))
: "ZEND_VM_SMART_BRANCH_FALSE()",
"/opline->extended_value\s*&\s*ZEND_ISEMPTY/" => isset($extra_spec['ISSET']) ?
($extra_spec['ISSET'] == 0 ? "0" : "1")
: "\\0",
"/opline->extended_value\s*&\s*~\s*ZEND_ISEMPTY/" => isset($extra_spec['ISSET']) ?
($extra_spec['ISSET'] == 0 ? "\\0" : "opline->extended_value")
: "\\0",
"/ZEND_OBSERVER_ENABLED/" => isset($extra_spec['OBSERVER']) && $extra_spec['OBSERVER'] == 1 ? "1" : "0",
"/ZEND_OBSERVER_USE_RETVAL/" => isset($extra_spec['OBSERVER']) && $extra_spec['OBSERVER'] == 1 ? "zval observer_retval" : "",
"/ZEND_OBSERVER_SET_RETVAL\(\)/" => isset($extra_spec['OBSERVER']) && $extra_spec['OBSERVER'] == 1 ? "if (!return_value) { return_value = &observer_retval; }" : "",
"/ZEND_OBSERVER_FREE_RETVAL\(\)/" => isset($extra_spec['OBSERVER']) && $extra_spec['OBSERVER'] == 1 ? "if (return_value == &observer_retval) { zval_ptr_dtor_nogc(&observer_retval); }" : "",
"/ZEND_OBSERVER_SAVE_OPLINE\(\)/" => isset($extra_spec['OBSERVER']) && $extra_spec['OBSERVER'] == 1 ? "SAVE_OPLINE()" : "",
"/ZEND_OBSERVER_FCALL_BEGIN\(\s*(.*)\s*\)/" => isset($extra_spec['OBSERVER']) ?
($extra_spec['OBSERVER'] == 0 ? "" : "zend_observer_fcall_begin_specialized(\\1, false)")
: "",
"/ZEND_OBSERVER_FCALL_END\(\s*([^,]*)\s*,\s*(.*)\s*\)/" => isset($extra_spec['OBSERVER']) ?
($extra_spec['OBSERVER'] == 0 ? "" : "zend_observer_fcall_end(\\1, \\2)")
: "",
);
$code = preg_replace(array_keys($specialized_replacements), array_values($specialized_replacements), $code);
if (0 && strpos($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_HYBRID:
$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, $extra_spec) {
if (strncasecmp($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) {
global $opcodes, $opnames;
$name = $matches[1];
$opcode = $opcodes[$opnames[$name]];
return "goto " . opcode_name($name, $spec, $op1, $op2, $extra_spec) . "_LABEL";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (is_hot_helper($matches[1])) {
if (isset($matches[2])) {
// extra args
$args = preg_replace("/,\s*([A-Za-z0-9_]*)\s*,\s*([^,)\s]*)\s*/", "$1 = $2; ", $matches[2]);
return $args . "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "_LABEL";
}
return "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "_LABEL";
}
if (isset($matches[2])) {
// extra args
$args = substr(preg_replace("/,\s*[A-Za-z0-9_]*\s*,\s*([^,)\s]*)\s*/", ", $1", $matches[2]), 2);
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "(" . $args. " ZEND_OPCODE_HANDLER_ARGS_PASSTHRU_CC))";
}
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU))";
}
},
$code);
break;
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, $extra_spec, $name) {
if (strncasecmp($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) {
global $opcodes, $opnames;
$handler = $matches[1];
$opcode = $opcodes[$opnames[$handler]];
$inline =
ZEND_VM_KIND == ZEND_VM_KIND_HYBRID &&
isset($opcode["use"]) &&
is_hot_handler($opcode["hot"], $op1, $op2, $extra_spec) &&
is_hot_handler($opcodes[$opnames[$name]]["hot"], $op1, $op2, $extra_spec) ?
"_INLINE" : "";
return "ZEND_VM_TAIL_CALL(" . opcode_name($handler, $spec, $op1, $op2, $extra_spec) . $inline . "_HANDLER(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU))";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = substr(preg_replace("/,\s*[A-Za-z0-9_]*\s*,\s*([^,)\s]*)\s*/", ", $1", $matches[2]), 2);
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "(" . $args. " ZEND_OPCODE_HANDLER_ARGS_PASSTHRU_CC))";
}
return "ZEND_VM_TAIL_CALL(" . helper_name($matches[1], $spec, $op1, $op2, $extra_spec) . "(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, $extra_spec) {
if (strncasecmp($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, $extra_spec) . "_LABEL";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = preg_replace("/,\s*([A-Za-z0-9_]*)\s*,\s*([^,)\s]*)\s*/", "$1 = $2; ", $matches[2]);
return $args . "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec);
}
return "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec);
}
},
$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, $extra_spec) {
if (strncasecmp($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, $extra_spec) . "_LABEL";
} else {
// ZEND_VM_DISPATCH_TO_HELPER
if (isset($matches[2])) {
// extra args
$args = preg_replace("/,\s*([A-Za-z0-9_]*)\s*,\s*([^,)\s]*)\s*/", "$1 = $2; ", $matches[2]);
return $args . "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec);
}
return "goto " . helper_name($matches[1], $spec, $op1, $op2, $extra_spec);
}
},
$code);
break;
}
/* Remove unnecessary ';' */
$code = preg_replace('/^\s*;\s*$/m', '', $code);
/* Remove WS */
$code = preg_replace('/[ \t]+\n/m', "\n", $code);
out($f, $code);
}
function skip_extra_spec_function($op1, $op2, $extra_spec) {
global $commutative_order;
if (isset($extra_spec["NO_CONST_CONST"]) &&
$op1 == "CONST" && $op2 == "CONST") {
// Skip useless constant handlers
return true;
}
if (isset($extra_spec["COMMUTATIVE"]) &&
$commutative_order[$op1] < $commutative_order[$op2]) {
// Skip duplicate commutative handlers
return true;
}
return false;
}
function is_hot_handler($hot, $op1, $op2, $extra_spec) {
if (isset($extra_spec["SMART_BRANCH"]) && $extra_spec["SMART_BRANCH"] == 0) {
return false;
}
if (isset($extra_spec["OBSERVER"]) && $extra_spec["OBSERVER"] == 1) {
return false;
}
if ($hot === 'HOT_' || $hot === 'INLINE_') {
return true;
} else if ($hot === 'HOT_NOCONST_') {
return ($op1 !== 'CONST');
} else if ($hot === 'HOT_NOCONSTCONST_') {
return (($op1 !== 'CONST') || ($op2 !== 'CONST')) ;
} else if ($hot === 'HOT_OBJ_') {
return (($op1 === 'UNUSED') || ($op1 === 'CV')) && ($op2 === 'CONST');
} else if ($hot === 'HOT_SEND_') {
return !empty($extra_spec["QUICK_ARG"]);
} else {
return false;
}
}
function is_cold_handler($hot, $op1, $op2, $extra_spec) {
if ($hot === 'COLD_') {
return true;
} else if (isset($extra_spec["OBSERVER"]) && $extra_spec["OBSERVER"] == 1) {
return true;
} else if ($hot === 'COLD_CONST_') {
return ($op1 === 'CONST');
} else if ($hot === 'COLD_CONSTCONST_') {
return ($op1 === 'CONST' && $op2 === 'CONST');
} else if ($hot === 'HOT_OBJ_') {
return ($op1 === 'CONST');
} else if ($hot === 'HOT_NOCONST_') {
return ($op1 === 'CONST');
} else if ($hot === 'HOT_NOCONSTCONST_') {
return ($op1 === 'CONST' && $op2 === 'CONST');
} else {
return false;
}
}
function is_inline_hybrid_handler($name, $hot, $op1, $op2, $extra_spec) {
return ($hot === 'INLINE_');
}
// Generates opcode handler
function gen_handler($f, $spec, $kind, $name, $op1, $op2, $use, $code, $lineno, $opcode, $extra_spec = null, &$switch_labels = array()) {
global $definition_file, $prefix, $opnames, $gen_order;
static $used_observer_handlers = array();
if (isset($opcode['alias']) && ($spec || $kind != ZEND_VM_KIND_SWITCH)) {
return;
}
if ($spec && skip_extra_spec_function($op1, $op2, $extra_spec)) {
return;
}
/* Skip SMART_BRANCH specialization for "cold" CONST_CONST instructions */
if (isset($extra_spec["SMART_BRANCH"])) {