📄 segment.h
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<!doctype html public "-//W3C//DTD HTML 3.2//EN"><html><head><title>Linux/include/asm/segment.h</title><meta http-equiv=Content-Type content="text/html; charset=gb2312"><base href="http://oldlinux.org/lxr/http/"></head><body bgcolor=white><div align=center> [<b><i>源代码浏览</i></b>] [<a href="diff/include/asm/segment.h">区别标定</a>] [<a href="ident">标识符搜索</a>] [<a href="search">文本搜索</a>] [<a href="find">文件搜索</a>]</div><h1 align=center> <a href="http:/"> OldLinux</a> <a href="http:blurb.html"> 交叉引用</a><br> <a href="source/">Linux</a>/<a href="source/include/">include</a>/<a href="source/include/asm/">asm</a>/<a href="source/include/asm/segment.h">segment.h</a></h1><div align=center> <b>版本:</b> [<a href="source/include/asm-i386/segment.h?v=1.0">1.0</a>] [<a href="source/include/asm-i386/segment.h?v=0.99.11">0.99.11</a>] [<a href="source/include/asm-i386/segment.h?v=0.99">0.99</a>] [<a href="source/include/asm-i386/segment.h?v=0.97">0.97</a>] [<a href="source/include/asm-i386/segment.h?v=0.96a">0.96a</a>] [<a href="source/include/asm-i386/segment.h?v=0.95">0.95</a>] [<a href="source/include/asm-i386/segment.h?v=0.12">0.12</a>] [<b><i>0.11</i></b>] [<a href="source/include/asm-i386/segment.h?v=0.01">0.01</a>] <br> <b>体系结构:</b> [<b><i>i386</i></b>] <br></div><hr><pre> <a name=L1 href="source/include/asm/segment.h#L1">1</a> extern inline unsigned char <a href="ident?i=get_fs_byte">get_fs_byte</a>(const char * addr) <a name=L2 href="source/include/asm/segment.h#L2">2</a> { <a name=L3 href="source/include/asm/segment.h#L3">3</a> unsigned register char _v; <a name=L4 href="source/include/asm/segment.h#L4">4</a> <a name=L5 href="source/include/asm/segment.h#L5">5</a> __asm__ (<i>"movb %%fs:%1,%0"</i>:<i>"=r"</i> (_v):<i>"m"</i> (*addr)); <a name=L6 href="source/include/asm/segment.h#L6">6</a> return _v; <a name=L7 href="source/include/asm/segment.h#L7">7</a> } <a name=L8 href="source/include/asm/segment.h#L8">8</a> <a name=L9 href="source/include/asm/segment.h#L9">9</a> extern inline unsigned short <a href="ident?i=get_fs_word">get_fs_word</a>(const unsigned short *addr) <a name=L10 href="source/include/asm/segment.h#L10">10</a> { <a name=L11 href="source/include/asm/segment.h#L11">11</a> unsigned short _v; <a name=L12 href="source/include/asm/segment.h#L12">12</a> <a name=L13 href="source/include/asm/segment.h#L13">13</a> __asm__ (<i>"movw %%fs:%1,%0"</i>:<i>"=r"</i> (_v):<i>"m"</i> (*addr)); <a name=L14 href="source/include/asm/segment.h#L14">14</a> return _v; <a name=L15 href="source/include/asm/segment.h#L15">15</a> } <a name=L16 href="source/include/asm/segment.h#L16">16</a> <a name=L17 href="source/include/asm/segment.h#L17">17</a> extern inline unsigned long <a href="ident?i=get_fs_long">get_fs_long</a>(const unsigned long *addr) <a name=L18 href="source/include/asm/segment.h#L18">18</a> { <a name=L19 href="source/include/asm/segment.h#L19">19</a> unsigned long _v; <a name=L20 href="source/include/asm/segment.h#L20">20</a> <a name=L21 href="source/include/asm/segment.h#L21">21</a> __asm__ (<i>"movl %%fs:%1,%0"</i>:<i>"=r"</i> (_v):<i>"m"</i> (*addr)); \ <a name=L22 href="source/include/asm/segment.h#L22">22</a> return _v; <a name=L23 href="source/include/asm/segment.h#L23">23</a> } <a name=L24 href="source/include/asm/segment.h#L24">24</a> <a name=L25 href="source/include/asm/segment.h#L25">25</a> extern inline void <a href="ident?i=put_fs_byte">put_fs_byte</a>(char val,char *addr) <a name=L26 href="source/include/asm/segment.h#L26">26</a> { <a name=L27 href="source/include/asm/segment.h#L27">27</a> __asm__ (<i>"movb %0,%%fs:%1"</i>::<i>"r"</i> (val),<i>"m"</i> (*addr)); <a name=L28 href="source/include/asm/segment.h#L28">28</a> } <a name=L29 href="source/include/asm/segment.h#L29">29</a> <a name=L30 href="source/include/asm/segment.h#L30">30</a> extern inline void <a href="ident?i=put_fs_word">put_fs_word</a>(short val,short * addr) <a name=L31 href="source/include/asm/segment.h#L31">31</a> { <a name=L32 href="source/include/asm/segment.h#L32">32</a> __asm__ (<i>"movw %0,%%fs:%1"</i>::<i>"r"</i> (val),<i>"m"</i> (*addr)); <a name=L33 href="source/include/asm/segment.h#L33">33</a> } <a name=L34 href="source/include/asm/segment.h#L34">34</a> <a name=L35 href="source/include/asm/segment.h#L35">35</a> extern inline void <a href="ident?i=put_fs_long">put_fs_long</a>(unsigned long val,unsigned long * addr) <a name=L36 href="source/include/asm/segment.h#L36">36</a> { <a name=L37 href="source/include/asm/segment.h#L37">37</a> __asm__ (<i>"movl %0,%%fs:%1"</i>::<i>"r"</i> (val),<i>"m"</i> (*addr)); <a name=L38 href="source/include/asm/segment.h#L38">38</a> } <a name=L39 href="source/include/asm/segment.h#L39">39</a> <a name=L40 href="source/include/asm/segment.h#L40">40</a> <b><i>/*</i></b> <a name=L41 href="source/include/asm/segment.h#L41">41</a> <b><i> * Someone who knows GNU asm better than I should double check the followig.</i></b> <a name=L42 href="source/include/asm/segment.h#L42">42</a> <b><i> * It seems to work, but I don't know if I'm doing something subtly wrong.</i></b> <a name=L43 href="source/include/asm/segment.h#L43">43</a> <b><i> * --- TYT, 11/24/91</i></b> <a name=L44 href="source/include/asm/segment.h#L44">44</a> <b><i> * [ nothing wrong here, Linus ]</i></b> <a name=L45 href="source/include/asm/segment.h#L45">45</a> <b><i> */</i></b> <a name=L46 href="source/include/asm/segment.h#L46">46</a> <a name=L47 href="source/include/asm/segment.h#L47">47</a> extern inline unsigned long <a href="ident?i=get_fs">get_fs</a>() <a name=L48 href="source/include/asm/segment.h#L48">48</a> { <a name=L49 href="source/include/asm/segment.h#L49">49</a> unsigned short _v; <a name=L50 href="source/include/asm/segment.h#L50">50</a> __asm__(<i>"mov %%fs,%%ax"</i>:<i>"=a"</i> (_v):); <a name=L51 href="source/include/asm/segment.h#L51">51</a> return _v; <a name=L52 href="source/include/asm/segment.h#L52">52</a> } <a name=L53 href="source/include/asm/segment.h#L53">53</a> <a name=L54 href="source/include/asm/segment.h#L54">54</a> extern inline unsigned long <a href="ident?i=get_ds">get_ds</a>() <a name=L55 href="source/include/asm/segment.h#L55">55</a> { <a name=L56 href="source/include/asm/segment.h#L56">56</a> unsigned short _v; <a name=L57 href="source/include/asm/segment.h#L57">57</a> __asm__(<i>"mov %%ds,%%ax"</i>:<i>"=a"</i> (_v):); <a name=L58 href="source/include/asm/segment.h#L58">58</a> return _v; <a name=L59 href="source/include/asm/segment.h#L59">59</a> } <a name=L60 href="source/include/asm/segment.h#L60">60</a> <a name=L61 href="source/include/asm/segment.h#L61">61</a> extern inline void <a href="ident?i=set_fs">set_fs</a>(unsigned long val) <a name=L62 href="source/include/asm/segment.h#L62">62</a> { <a name=L63 href="source/include/asm/segment.h#L63">63</a> __asm__(<i>"mov %0,%%fs"</i>::<i>"a"</i> ((unsigned short) val)); <a name=L64 href="source/include/asm/segment.h#L64">64</a> } <a name=L65 href="source/include/asm/segment.h#L65">65</a> <a name=L66 href="source/include/asm/segment.h#L66">66</a> </pre><hr><div align=center> [<b><i>源代码浏览</i></b>] [<a href="diff/include/asm/segment.h">区别标定</a>] [<a href="ident">标识符搜索</a>] [<a href="search">文本搜索</a>] [<a href="find">文件搜索</a>] </div><hr>本网页由 <a href="http:blurb.html">LXR引擎</a> 自动生成.<br></html>⌨️ 快捷键说明
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