File: phpdop.phpr

package info (click to toggle)
xcache 2.0.0-4
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 1,724 kB
  • sloc: ansic: 8,175; php: 4,557; awk: 285; sh: 135; makefile: 75
file content (130 lines) | stat: -rwxr-xr-x 2,667 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#! /usr/bin/php
<?php

$srcdir = dirname(__FILE__);
require_once("$srcdir/Decompiler.class.php");
if (file_exists("$srcdir/phpdc.debug.php")) {
	include("$srcdir/phpdc.debug.php");
}

function get_op($op)
{
	switch ($op['op_type']) {
	case 1: // CONST
		return var_export($op['constant'], true);

	case 2: // IS_TMP_VAR
		return 't@' . $op['var'];

	case 4:
		return 'v$' . $op['var'];

	case 8: // UNUSED
		if (isset($op['opline_num'])) {
			return 'l#' . $op['opline_num'];
		}
		else {
			return '-';
		}

	default:
		return $op['op_type'] . $op['var'];
	}
}

function dump_opcodes($opcodes, $indent = '')
{
	global $decompiler;

	$types = array('result' => 5, 'op1' => 20, 'op2' => 20);
	foreach ($decompiler->fixOpcode($opcodes) as $line => $op) {
		echo $indent;
		echo sprintf("%3d ", $op['lineno']);
		echo sprintf("%3x ", $line);
		$name = xcache_get_opcode($op['opcode']);

		if (substr($name, 0, 5) == 'ZEND_') {
			$name = substr($name, 5);
		}
		echo str_pad($name, 25);

		foreach ($types as $t => $len) {
			echo str_pad(isset($op[$t]) ? get_op($op[$t]) : "", $len);
		}
		printf("%5s", isset($op['extended_value']) ?  $op['extended_value'] : "");

		echo "\n";
	}
}

function dump_function($name, $func, $indent = '')
{
	if (isset($func['op_array'])) {
		$op_array = $func['op_array'];
		unset($func['op_array']);
	}
	else {
		$op_array = null;
	}
	var_dump($func);
	echo $indent, 'function ', $name, "\n";
	if (isset($op_array)) {
		dump_opcodes($op_array['opcodes'], "  " . $indent);
	}
}

function dump_class($name, $class, $indent = '')
{
	if (isset($class['function_table'])) {
		$funcs = $class['function_table'];
		unset($class['function_table']);
	}
	else {
		$funcs = null;
	}
	echo $indent, 'class ', $name, "\n";
	if (isset($funcs)) {
		foreach ($funcs as $name => $func) {
			dump_function($name, $func, "  " . $indent);
		}
	}
}

if (!isset($argv[1])) {
	die("Usage: $argv[0] <file>\n");
}
$decompiler = new Decompiler();
if (isset($argv[2])) {
	eval('$pk = ' . file_get_contents($argv[2]) . ';');
}
else {
	$pk = xcache_dasm_file($argv[1]);
}
$op_array = $funcs = $classes = null;
if (isset($pk['op_array'])) {
	$op_array = $pk['op_array'];
	unset($pk['op_array']);
}
if (isset($pk['function_table'])) {
	$funcs = $pk['function_table'];
	unset($pk['function_table']);
}
if (isset($pk['class_table'])) {
	$classes = $pk['class_table'];
	unset($pk['class_table']);
}
var_dump($pk);
if (isset($classes)) {
	foreach ($classes as $name => $class) {
		dump_class($name, $class);
	}
}
if (isset($funcs)) {
	foreach ($funcs as $name => $func) {
		dump_function($name, $func);
	}
}
if (isset($op_array)) {
	dump_opcodes($op_array['opcodes']);
}