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moslab-code/doc/source/html/compiler_8h_source.html
vreusch d959eaab98 l4re-base-25.08.0
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<a href="compiler_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">/*</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski &lt;adam@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * Frank Mehnert &lt;fm3@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * Jork Löser &lt;jork@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Ronald Aigner &lt;ra3@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">/*****************************************************************************/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#ifndef __L4_COMPILER_H__</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#define __L4_COMPILER_H__</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#if !defined(__ASSEMBLY__) &amp;&amp; !defined(__ASSEMBLER__)</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#ifndef L4_INLINE</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#ifndef __cplusplus</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor"># ifdef __OPTIMIZE__</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor"># define L4_INLINE_STATIC static __inline__</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor"># define L4_INLINE_EXTERN extern __inline__</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor"># ifdef __GNUC_STDC_INLINE__</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor"># define L4_INLINE L4_INLINE_STATIC</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor"># else</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor"># define L4_INLINE L4_INLINE_EXTERN</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor"># else </span><span class="comment">/* ! __OPTIMIZE__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor"># define L4_INLINE static</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor"># endif </span><span class="comment">/* ! __OPTIMIZE__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#else </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor"># define L4_INLINE inline</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#elif defined DOXYGEN</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45"> 51</a></span><span class="preprocessor"># define L4_INLINE inline</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="preprocessor">#endif </span><span class="comment">/* L4_INLINE */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga2480e75b7c2b4976ce05d124d6d4c984"> 58</a></span><span class="preprocessor">#define L4_ALWAYS_INLINE L4_INLINE __attribute__((__always_inline__))</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#define L4_DECLARE_CONSTRUCTOR(func, prio) \</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor"> static inline __attribute__((constructor(prio))) void func ## _ctor_func(void) { func(); }</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="preprocessor">#ifndef __cplusplus</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="preprocessor"># define L4_NOTHROW__A __attribute__((nothrow))</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="preprocessor"># define L4_NOTHROW</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="preprocessor"># ifndef __BEGIN_DECLS</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="preprocessor"># define __BEGIN_DECLS</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="preprocessor"># ifndef __END_DECLS</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="preprocessor"># define __END_DECLS</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="preprocessor"># define L4_BEGIN_DECLS</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="preprocessor"># define L4_END_DECLS</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="preprocessor"># define L4_DEFAULT_PARAM(x)</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="preprocessor">#else </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="preprocessor"># if __cplusplus &gt;= 201103L</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931"> 161</a></span><span class="preprocessor"># define L4_NOTHROW noexcept</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="preprocessor"># else </span><span class="comment">/* C++ &lt; 11 */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="preprocessor"># define L4_NOTHROW throw()</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga5f022ce5422df9cc6ed415e2bfc90f59"> 165</a></span><span class="preprocessor"># define L4_BEGIN_DECLS extern &quot;C&quot; {</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga7b3d88f2118cbb7b8057a860dbdd0381"> 166</a></span><span class="preprocessor"># define L4_END_DECLS }</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="preprocessor"># if !defined __BEGIN_DECLS || defined DOXYGEN</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="preprocessor"># define __BEGIN_DECLS extern &quot;C&quot; {</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="preprocessor"># if !defined __END_DECLS || defined DOXYGEN</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span><span class="preprocessor"># define __END_DECLS }</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span><span class="preprocessor"># define L4_DEFAULT_PARAM(x) = x</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="comment">/* Depration hints during compile -- remove later (2025+) */</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span><span class="preprocessor">#ifndef EXTERN_C</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="preprocessor">#define EXTERN_C DO_NOT_USE_EXTERN_C_ANY_MORE</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span><span class="preprocessor">#ifndef EXTERN_C_BEGIN</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span><span class="preprocessor">#define EXTERN_C_BEGIN DO_NOT_USE_EXTERN_C_BEGIN_ANY_MORE__USE_L4_BEGIN_DECLS</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="preprocessor">#ifndef EXTERN_C_END</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="preprocessor">#define EXTERN_C_END DO_NOT_USE_EXTERN_C_END_ANY_MORE__USE_L4_END_DECLS</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="preprocessor">#if defined __cplusplus &amp;&amp; __cplusplus &gt;= 201402L</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="preprocessor"># define L4_CONSTEXPR constexpr</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a"> 194</a></span><span class="preprocessor"># define L4_CONSTEXPR</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#gab2364b91355f435e015c5b85b7d93a73"> 201</a></span><span class="preprocessor">#define L4_NORETURN __attribute__((noreturn))</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="preprocessor">#define L4_PURE __attribute__((pure))</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga4dcf33a0e0c2cb199673614b4236ec87"> 209</a></span><span class="preprocessor">#define L4_NOINSTRUMENT __attribute__((no_instrument_function))</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="preprocessor">#ifndef L4_HIDDEN</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#gacd71f0ba2a27d5dfb679c2e8b6b20fee"> 211</a></span><span class="preprocessor"># define L4_HIDDEN __attribute__((visibility(&quot;hidden&quot;)))</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="preprocessor">#if !defined L4_EXPORT || defined DOXYGEN</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga63e7f1ab50a1b3049bdd0a34e97423c2"> 214</a></span><span class="preprocessor"># define L4_EXPORT __attribute__((visibility(&quot;default&quot;)))</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="preprocessor">#ifndef L4_EXPORT_TYPE</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="preprocessor"># ifdef __cplusplus</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="preprocessor"># define L4_EXPORT_TYPE __attribute__((visibility(&quot;default&quot;)))</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="preprocessor"># else</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="preprocessor"># define L4_EXPORT_TYPE</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span><span class="preprocessor">#define L4_STRONG_ALIAS(name, aliasname) L4__STRONG_ALIAS(name, aliasname)</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span><span class="preprocessor">#ifdef __clang__</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="preprocessor">#define L4__STRONG_ALIAS(name, aliasname) \</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="preprocessor"> extern __typeof (name) aliasname __attribute__ ((alias (#name)));</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="preprocessor">#define L4__STRONG_ALIAS(name, aliasname) \</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span><span class="preprocessor"> extern __typeof (name) aliasname __attribute__ ((alias (#name), copy(name)));</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="preprocessor">#if defined(__i386__) || defined(__amd64__) || \</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="preprocessor"> defined(__arm__) || defined(__aarch64__) || \</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="preprocessor"> defined(__mips__) || defined(__riscv) || \</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="preprocessor"> defined(__powerpc__) || defined(__sparc__)</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span><span class="preprocessor"># define L4_STACK_ALIGN __BIGGEST_ALIGNMENT__</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span><span class="preprocessor"># error Define L4_STACK_ALIGN for this target!</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="preprocessor">#if defined(__i386__) || defined(__amd64__)</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code hl_function" href="group__l4sys__defines.html#ga5fa71e3c259e42d171bdb65a5e708b82">l4_align_stack_for_direct_fncall</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> stack)</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span>{</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> ((stack &amp; (L4_STACK_ALIGN - 1)) == (L4_STACK_ALIGN - <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)))</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">return</span> stack;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">return</span> (stack &amp; ~(L4_STACK_ALIGN)) - <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> long);</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span>}</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span><span class="preprocessor">#else</span></div>
<div class="foldopen" id="foldopen00273" data-start="{" data-end="}">
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga5fa71e3c259e42d171bdb65a5e708b82"> 273</a></span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code hl_function" href="group__l4sys__defines.html#ga5fa71e3c259e42d171bdb65a5e708b82">l4_align_stack_for_direct_fncall</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> stack)</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span>{</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> stack &amp; ~(L4_STACK_ALIGN);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span>}</div>
</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="preprocessor">#endif </span><span class="comment">/* !__ASSEMBLY__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span><span class="preprocessor">#include &lt;l4/sys/linkage.h&gt;</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#gac76599eba5afa89a12c44176cbfa90cb"> 283</a></span><span class="preprocessor">#define L4_LIKELY(x) __builtin_expect((x),1) </span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga3df4200910f2664b97397c23693beeb0"> 284</a></span><span class="preprocessor">#define L4_UNLIKELY(x) __builtin_expect((x),0) </span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span><span class="comment">/* Make sure that the function is not removed by optimization. Without the</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span><span class="comment"> * &quot;used&quot; attribute, unreferenced static functions are removed. */</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga97a5414eb11311e9bf949c750faf738b"> 288</a></span><span class="preprocessor">#define L4_STICKY(x) __attribute__((used)) x </span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#gac61263de7580bce70e1f518201a7f83a"> 289</a></span><span class="preprocessor">#define L4_DEPRECATED(s) __attribute__((deprecated(s))) </span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="preprocessor">#ifndef static_assert</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span><span class="preprocessor"># if !defined(__cplusplus)</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span><span class="preprocessor"># define static_assert(x, y) _Static_assert(x, y)</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span><span class="preprocessor"># elif __cplusplus &lt; 201103L</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span><span class="preprocessor"># define static_assert(x, y) \</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span><span class="preprocessor"> extern int l4_static_assert[-(!(x))] __attribute__((unused))</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span><span class="preprocessor"># endif</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga05c9b0615ef872ca9eb4b25b02fcf4b6"> 300</a></span><span class="preprocessor">#define L4_stringify_helper(x) #x </span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga0038ee4d61fca8060b76f7d3de894eca"> 301</a></span><span class="preprocessor">#define L4_stringify(x) L4_stringify_helper(x) </span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="preprocessor">#ifdef __has_builtin</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span><span class="preprocessor">#define L4_HAS_BUILTIN(def) __has_builtin(def)</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span><span class="preprocessor">#define L4_HAS_BUILTIN(def) 0</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span><span class="preprocessor">#ifndef __ASSEMBLER__</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga4accdcabe8bddb4964f8986855e7c728">l4_barrier</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga5d5bbbe36a0d144d1f465dbca715718e">l4_mb</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga095f2ab26de8289771dae829f4637fc0">l4_wmb</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_define" href="group__l4sys__defines.html#gab2364b91355f435e015c5b85b7d93a73">L4_NORETURN</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga7e0662663afd5c5b43c5dd66576e5cff">l4_infinite_loop</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> </div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="comment">/* Implementations */</span></div>
<div class="foldopen" id="foldopen00332" data-start="{" data-end="}">
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga4accdcabe8bddb4964f8986855e7c728"> 332</a></span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga4accdcabe8bddb4964f8986855e7c728">l4_barrier</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span>{</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> __asm__ __volatile__ (<span class="stringliteral">&quot;&quot;</span> : : : <span class="stringliteral">&quot;memory&quot;</span>);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span>}</div>
</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> </div>
<div class="foldopen" id="foldopen00337" data-start="{" data-end="}">
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga5d5bbbe36a0d144d1f465dbca715718e"> 337</a></span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga5d5bbbe36a0d144d1f465dbca715718e">l4_mb</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span>{</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> __asm__ __volatile__ (<span class="stringliteral">&quot;&quot;</span> : : : <span class="stringliteral">&quot;memory&quot;</span>);</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span>}</div>
</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> </div>
<div class="foldopen" id="foldopen00342" data-start="{" data-end="}">
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga095f2ab26de8289771dae829f4637fc0"> 342</a></span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga095f2ab26de8289771dae829f4637fc0">l4_wmb</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span>{</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> __asm__ __volatile__ (<span class="stringliteral">&quot;&quot;</span> : : : <span class="stringliteral">&quot;memory&quot;</span>);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span>}</div>
</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
<div class="foldopen" id="foldopen00347" data-start="{" data-end="}">
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"><a class="line" href="group__l4sys__defines.html#ga7e0662663afd5c5b43c5dd66576e5cff"> 347</a></span><a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a> <a class="code hl_define" href="group__l4sys__defines.html#gab2364b91355f435e015c5b85b7d93a73">L4_NORETURN</a> <span class="keywordtype">void</span> <a class="code hl_function" href="group__l4sys__defines.html#ga7e0662663afd5c5b43c5dd66576e5cff">l4_infinite_loop</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span>{</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">while</span> (1)</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <a class="code hl_function" href="group__l4sys__defines.html#ga4accdcabe8bddb4964f8986855e7c728">l4_barrier</a>();</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span><span class="preprocessor">#endif </span><span class="comment">/* !__L4_COMPILER_H__ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga095f2ab26de8289771dae829f4637fc0"><div class="ttname"><a href="group__l4sys__defines.html#ga095f2ab26de8289771dae829f4637fc0">l4_wmb</a></div><div class="ttdeci">void l4_wmb(void)</div><div class="ttdoc">Write memory barrier.</div><div class="ttdef"><b>Definition</b> <a href="#l00342">compiler.h:342</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga427377e23e3680dc178035d391b2ca45"><div class="ttname"><a href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div><div class="ttdeci">#define L4_INLINE</div><div class="ttdoc">L4 Inline function attribute.</div><div class="ttdef"><b>Definition</b> <a href="#l00051">compiler.h:51</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga4accdcabe8bddb4964f8986855e7c728"><div class="ttname"><a href="group__l4sys__defines.html#ga4accdcabe8bddb4964f8986855e7c728">l4_barrier</a></div><div class="ttdeci">void l4_barrier(void)</div><div class="ttdoc">Memory barrier.</div><div class="ttdef"><b>Definition</b> <a href="#l00332">compiler.h:332</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga5d5bbbe36a0d144d1f465dbca715718e"><div class="ttname"><a href="group__l4sys__defines.html#ga5d5bbbe36a0d144d1f465dbca715718e">l4_mb</a></div><div class="ttdeci">void l4_mb(void)</div><div class="ttdoc">Memory barrier.</div><div class="ttdef"><b>Definition</b> <a href="#l00337">compiler.h:337</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga5fa71e3c259e42d171bdb65a5e708b82"><div class="ttname"><a href="group__l4sys__defines.html#ga5fa71e3c259e42d171bdb65a5e708b82">l4_align_stack_for_direct_fncall</a></div><div class="ttdeci">unsigned long l4_align_stack_for_direct_fncall(unsigned long stack)</div><div class="ttdoc">Specify the desired alignment of the stack pointer.</div><div class="ttdef"><b>Definition</b> <a href="#l00273">compiler.h:273</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga7e0662663afd5c5b43c5dd66576e5cff"><div class="ttname"><a href="group__l4sys__defines.html#ga7e0662663afd5c5b43c5dd66576e5cff">l4_infinite_loop</a></div><div class="ttdeci">L4_NORETURN void l4_infinite_loop(void)</div><div class="ttdoc">Infinite loop.</div><div class="ttdef"><b>Definition</b> <a href="#l00347">compiler.h:347</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_gab2364b91355f435e015c5b85b7d93a73"><div class="ttname"><a href="group__l4sys__defines.html#gab2364b91355f435e015c5b85b7d93a73">L4_NORETURN</a></div><div class="ttdeci">#define L4_NORETURN</div><div class="ttdoc">Noreturn function attribute.</div><div class="ttdef"><b>Definition</b> <a href="#l00201">compiler.h:201</a></div></div>
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