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PHP_6: disassembler/decompiler: fix function static variable 

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@731 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
3.0
Xuefer 11 years ago
parent
d7a969ea1c
commit
d4419514a0
2 changed files with 78 additions and 27 deletions
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  1. 85
      Decompiler.class.php
  2. 20
      phpdop.phpr

85
Decompiler.class.php
Unescape View File

@ -281,7 +281,7 @@ class Decompiler_Array extends Decompiler_Value // {{{
$assoclen = $len;
}
}
if (is_array($v)) {
if (is_array(value($v))) {
$multiline ++;
}
++ $i;
@ -465,14 +465,14 @@ class Decompiler
return $ret;
}
// }}}
function &dop_array($op_array, $indent = '') // {{{
function &fixOpcode($opcodes, $removeTailing = false) // {{{
{
$opcodes = &$op_array['opcodes'];
$last = count($opcodes) - 1;
if ($opcodes[$last]['opcode'] == XC_HANDLE_EXCEPTION) {
unset($opcodes[$last]);
if ($removeTailing) {
$last = count($opcodes) - 1;
if ($opcodes[$last]['opcode'] == XC_HANDLE_EXCEPTION) {
unset($opcodes[$last]);
}
}
$EX['indent'] = '';
for ($i = 0, $cnt = count($opcodes); $i < $cnt; $i ++) {
if (function_exists('xcache_get_fixed_opcode')) {
$opcodes[$i]['opcode'] = xcache_get_fixed_opcode($opcodes[$i]['opcode'], $i);
@ -504,6 +504,14 @@ class Decompiler
$opcodes[$i] = $op;
}
}
return $opcodes;
}
// }}}
function &dop_array($op_array, $indent = '') // {{{
{
$op_array['opcodes'] = $this->fixOpcode($op_array['opcodes'], true);
$opcodes = &$op_array['opcodes'];
$EX['indent'] = '';
// {{{ build jmp array
for ($i = 0, $cnt = count($opcodes); $i < $cnt; $i ++) {
$op = &$opcodes[$i];
@ -756,7 +764,7 @@ class Decompiler
// $this->dumpop($op, $EX); //var_dump($op);
$resvar = null;
if (isset($res['EA.type']) && ($res['EA.type'] & EXT_TYPE_UNUSED) || $res['op_type'] == XC_IS_UNUSED) {
if ((ZEND_ENGINE_2_4 ? ($res['op_type'] & EXT_TYPE_UNUSED) : ($res['EA.type'] & EXT_TYPE_UNUSED)) || $res['op_type'] == XC_IS_UNUSED) {
$istmpres = false;
}
else {
@ -790,14 +798,14 @@ class Decompiler
$EX['object'] = (int) $res['var'];
$EX['called_scope'] = null;
$EX['fbc'] = 'new ' . $this->unquoteName($this->getOpVal($op1, $EX));
if (PHP_VERSION < 5) {
if (!ZEND_ENGINE_2) {
$resvar = '$new object$';
}
break;
// }}}
case XC_FETCH_CLASS: // {{{
if ($op2['op_type'] == XC_IS_UNUSED) {
switch ($ext) {
switch (($ext & (defined('ZEND_FETCH_CLASS_MASK') ? ZEND_FETCH_CLASS_MASK : 0xFF))) {
case ZEND_FETCH_CLASS_SELF:
$class = 'self';
break;
@ -842,7 +850,12 @@ class Decompiler
case XC_FETCH_IS:
case XC_UNSET_VAR:
$rvalue = $this->getOpVal($op1, $EX);
$fetchtype = $op2[PHP_VERSION < 5 ? 'fetch_type' : 'EA.type'];
if (defined('ZEND_FETCH_TYPE_MASK')) {
$fetchtype = ($ext & ZEND_FETCH_TYPE_MASK);
}
else {
$fetchtype = $op2[!ZEND_ENGINE_2 ? 'fetch_type' : 'EA.type'];
}
switch ($fetchtype) {
case ZEND_FETCH_STATIC_MEMBER:
$class = $this->getOpVal($op2, $EX);
@ -956,6 +969,7 @@ class Decompiler
if (substr($src, 1, -1) == substr($lvalue, 1)) {
switch ($rvalue->fetchType) {
case ZEND_FETCH_GLOBAL:
case ZEND_FETCH_GLOBAL_LOCK:
$resvar = 'global ' . $lvalue;
break 2;
case ZEND_FETCH_STATIC:
@ -969,9 +983,11 @@ class Decompiler
}
unset($statics);
break 2;
default:
}
}
}
// TODO: PHP_6 global
$rvalue = str($rvalue);
$resvar = "$lvalue = &$rvalue";
break;
@ -1043,7 +1059,7 @@ class Decompiler
}
}
switch ((PHP_VERSION < 5 ? $op['op2']['var'] /* constant */ : $ext) & (ZEND_ISSET|ZEND_ISEMPTY)) {
switch ((!ZEND_ENGINE_2 ? $op['op2']['var'] /* constant */ : $ext) & (ZEND_ISSET|ZEND_ISEMPTY)) {
case ZEND_ISSET:
$rvalue = "isset($rvalue)";
break;
@ -1510,6 +1526,8 @@ class Decompiler
default:
if ($kk == 'res') {
var_dump($op);
exit;
assert(0);
}
else {
@ -1699,7 +1717,7 @@ class Decompiler
}
$mangled = false;
if (PHP_VERSION < 5) {
if (!ZEND_ENGINE_2) {
echo 'var ';
}
else if (!isset($info)) {
@ -1861,11 +1879,29 @@ define('ZEND_ACC_ALLOW_STATIC', 0x10000);
define('ZEND_ACC_SHADOW', 0x2000);
define('ZEND_FETCH_GLOBAL', 0);
define('ZEND_FETCH_LOCAL', 1);
define('ZEND_FETCH_STATIC', 2);
define('ZEND_FETCH_STATIC_MEMBER', 3);
define('ZEND_FETCH_GLOBAL_LOCK', 4);
define('ZEND_ENGINE_2_4', PHP_VERSION >= "5.3.99");
define('ZEND_ENGINE_2_3', ZEND_ENGINE_2_4 || PHP_VERSION >= "5.3.");
define('ZEND_ENGINE_2_2', ZEND_ENGINE_2_3 || PHP_VERSION >= "5.2.");
define('ZEND_ENGINE_2_1', ZEND_ENGINE_2_2 || PHP_VERSION >= "5.1.");
define('ZEND_ENGINE_2', ZEND_ENGINE_2_1 || PHP_VERSION >= "5.0.");
if (ZEND_ENGINE_2_4) {
define('ZEND_FETCH_GLOBAL', 0x00000000);
define('ZEND_FETCH_LOCAL', 0x10000000);
define('ZEND_FETCH_STATIC', 0x20000000);
define('ZEND_FETCH_STATIC_MEMBER', 0x30000000);
define('ZEND_FETCH_GLOBAL_LOCK', 0x40000000);
define('ZEND_FETCH_LEXICAL', 0x50000000);
define('ZEND_FETCH_TYPE_MASK', 0x70000000);
}
else {
define('ZEND_FETCH_GLOBAL', 0);
define('ZEND_FETCH_LOCAL', 1);
define('ZEND_FETCH_STATIC', 2);
define('ZEND_FETCH_STATIC_MEMBER', 3);
define('ZEND_FETCH_GLOBAL_LOCK', 4);
}
define('ZEND_FETCH_CLASS_DEFAULT', 0);
define('ZEND_FETCH_CLASS_SELF', 1);
@ -1875,6 +1911,12 @@ define('ZEND_FETCH_CLASS_GLOBAL', 4);
define('ZEND_FETCH_CLASS_AUTO', 5);
define('ZEND_FETCH_CLASS_INTERFACE', 6);
define('ZEND_FETCH_CLASS_STATIC', 7);
if (ZEND_ENGINE_2_4) {
define('ZEND_FETCH_CLASS_TRAIT', 14);
}
if (ZEND_ENGINE_2_3) {
define('ZEND_FETCH_CLASS_MASK', 0xF);
}
define('ZEND_EVAL', (1<<0));
define('ZEND_INCLUDE', (1<<1));
@ -1884,7 +1926,12 @@ define('ZEND_REQUIRE_ONCE', (1<<4));
define('ZEND_ISSET', (1<<0));
define('ZEND_ISEMPTY', (1<<1));
define('EXT_TYPE_UNUSED', (1<<0));
if (ZEND_ENGINE_2_4) {
define('EXT_TYPE_UNUSED', (1<<5));
}
else {
define('EXT_TYPE_UNUSED', (1<<0));
}
define('ZEND_FETCH_STANDARD', 0);
define('ZEND_FETCH_ADD_LOCK', 1);

20
phpdop.phpr
Unescape View File

@ -2,6 +2,7 @@
<?php
$srcdir = dirname(__FILE__);
require_once("$srcdir/Decompiler.class.php");
if (file_exists("$srcdir/phpdc.debug.php")) {
include("$srcdir/phpdc.debug.php");
}
@ -10,31 +11,33 @@ function get_op($op)
{
switch ($op['op_type']) {
case 1: // CONST
return var_export($op['u.constant'], true);
return var_export($op['constant'], true);
case 2: // IS_TMP_VAR
return 't@' . $op['u.var'];
return 't@' . $op['var'];
case 4:
return 'v$' . $op['u.var'];
return 'v$' . $op['var'];
case 8: // UNUSED
if (isset($op['u.opline_num'])) {
return 'l#' . $op['u.opline_num'];
if (isset($op['opline_num'])) {
return 'l#' . $op['opline_num'];
}
else {
return '-';
}
default:
return $op['op_type'] . $op['u.var'];
return $op['op_type'] . $op['var'];
}
}
function dump_opcodes($op_array, $indent = '')
function dump_opcodes($opcodes, $indent = '')
{
global $decompiler;
$types = array('result' => 5, 'op1' => 20, 'op2' => 20);
foreach ($op_array as $line => $op) {
foreach ($decompiler->fixOpcode($opcodes) as $line => $op) {
echo $indent;
echo sprintf("%3d ", $op['lineno']);
echo sprintf("%3x ", $line);
@ -90,6 +93,7 @@ function dump_class($name, $class, $indent = '')
if (!isset($argv[1])) {
die("Usage: $argv[0] <file>\n");
}
$decompiler = new Decompiler();
$pk = xcache_dasm_file($argv[1]);
$op_array = $funcs = $classes = null;
if (isset($pk['op_array'])) {

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