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diff --git a/share/doc/gcc/RISC_002dV-Function-Attributes.html b/share/doc/gcc/RISC_002dV-Function-Attributes.html new file mode 100644 index 0000000..3fc24cb --- /dev/null +++ b/share/doc/gcc/RISC_002dV-Function-Attributes.html @@ -0,0 +1,121 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- This file documents the use of the GNU compilers. + +Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). 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The specified function will not have +prologue/epilogue sequences generated by the compiler. Only basic +<code>asm</code> statements can safely be included in naked functions +(see <a href="Basic-Asm.html#Basic-Asm">Basic Asm</a>). While using extended <code>asm</code> or a mixture of +basic <code>asm</code> and C code may appear to work, they cannot be +depended upon to work reliably and are not supported. +</p> +<a name="index-interrupt-function-attribute_002c-RISC_002dV"></a> +</dd> +<dt><code>interrupt</code></dt> +<dd><p>Use this attribute to indicate that the specified function is an interrupt +handler. The compiler generates function entry and exit sequences suitable +for use in an interrupt handler when this attribute is present. +</p> +<p>You can specify the kind of interrupt to be handled by adding an optional +parameter to the interrupt attribute like this: +</p> +<div class="smallexample"> +<pre class="smallexample">void f (void) __attribute__ ((interrupt ("user"))); +</pre></div> + +<p>Permissible values for this parameter are <code>user</code>, <code>supervisor</code>, +and <code>machine</code>. If there is no parameter, then it defaults to +<code>machine</code>. +</p></dd> +</dl> + + + + +</body> +</html> |