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121 lines
8.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>写入开始位置以及 exe 类型文件的结尾信号</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.bcompiler-write-exe-footer" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">bcompiler_write_exe_footer</h1>
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<p class="verinfo">(PECL bcompiler >= 0.4)</p><p class="refpurpose"><span class="refname">bcompiler_write_exe_footer</span> — <span class="dc-title">写入开始位置以及 exe 类型文件的结尾信号</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.bcompiler-write-exe-footer-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>bcompiler_write_exe_footer</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$filehandle</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$startpos</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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一个 EXE（或可自执行）文件由 3 部分组成：
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<ul class="simplelist">
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<li class="member">
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The <em>stub</em> （可执行代码，例如一个编译过的 c 程序）
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加载了 PHP 解释器、bcompiler 扩展、储存的字节码并初始化调用指定函数（例如 main）
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或类的方法（例如 <em>main::main</em>）。
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</li>
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<li class="member">字节码（仅在那时未压缩）</li>
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<li class="member">bcompiler 的 EXE 尾部</li>
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</ul>
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</p>
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<p class="para">
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为了得到适合的 stub 你可以编译位于 bcompiler CVS <var class="filename">examples/embed</var> 目录里
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基于 php_embed 的 stub <var class="filename">phpe.c</var>。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.bcompiler-write-exe-footer-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">filehandle</code></dt>
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<dd>
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<p class="para">
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<span class="function"><a href="fopen.html" class="function">fopen()</a></span>返回的一个文件句柄。
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</p>
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</dd>
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<dt>
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<code class="parameter">startpos</code></dt>
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<dd>
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<p class="para">
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字节码在文件中开始的位置，可以通过 <span class="function"><a href="ftell.html" class="function">ftell()</a></span> 获取。
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.bcompiler-write-exe-footer-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.bcompiler-write-exe-footer-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-448">
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<p><strong>Example #1 <span class="function"><strong>bcompiler_write_exe_footer()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">/* 创建输出的文件（example.exe） */<br /></span><span style="color: #0000BB">$fh </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"example.exe"</span><span style="color: #007700">, </span><span style="color: #DD0000">"w"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 1) 写入一个 stub （phpe.exe） */<br /></span><span style="color: #0000BB">$size </span><span style="color: #007700">= </span><span style="color: #0000BB">filesize</span><span style="color: #007700">(</span><span style="color: #DD0000">"phpe.exe"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$fr </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"phpe.exe"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">, </span><span style="color: #0000BB">fread</span><span style="color: #007700">(</span><span style="color: #0000BB">$fr</span><span style="color: #007700">, </span><span style="color: #0000BB">$size</span><span style="color: #007700">), </span><span style="color: #0000BB">$size</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$startpos </span><span style="color: #007700">= </span><span style="color: #0000BB">ftell</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 2) 写入字节码 */<br /></span><span style="color: #0000BB">bcompiler_write_header</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">bcompiler_write_class</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">, </span><span style="color: #DD0000">"myclass"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">bcompiler_write_function</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">, </span><span style="color: #DD0000">"main"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">bcompiler_write_footer</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 3) 写入 EXE 尾部 */<br /></span><span style="color: #0000BB">bcompiler_write_exe_footer</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">, </span><span style="color: #0000BB">$startpos</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* 关闭输出的文件 */<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fh</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.bcompiler-write-exe-footer-notes">
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<h3 class="title">注释</h3>
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<div class="warning"><strong class="warning">Warning</strong><p class="simpara">此函数是<em class="emphasis">实验性</em>的。此函数的表象，包括名称及其相关文档都可能在未来的
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PHP 发布版本中未通知就被修改。使用本函数风险自担 。</p></div>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.bcompiler-write-exe-footer-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="bcompiler_write_header.html" class="function" rel="rdfs-seeAlso">bcompiler_write_header()</a> - 写入 bcompiler 头</span></li>
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<li class="member"><span class="function"><a href="bcompiler_write_class.html" class="function" rel="rdfs-seeAlso">bcompiler_write_class()</a> - 写入定义过的类的字节码</span></li>
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<li class="member"><span class="function"><a href="bcompiler_write_footer.html" class="function" rel="rdfs-seeAlso">bcompiler_write_footer()</a> - 写入单个字符 \x00 用于标识编译数据的结尾</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |