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diff --git a/share/doc/gcc/Variable-Attributes.html b/share/doc/gcc/Variable-Attributes.html new file mode 100644 index 0000000..909abd7 --- /dev/null +++ b/share/doc/gcc/Variable-Attributes.html @@ -0,0 +1,143 @@ +<!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). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Using the GNU Compiler Collection (GCC): Variable Attributes</title> + +<meta name="description" content="Using the GNU Compiler Collection (GCC): Variable Attributes"> +<meta name="keywords" content="Using the GNU Compiler Collection (GCC): Variable Attributes"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Indices.html#Indices" rel="index" title="Indices"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="C-Extensions.html#C-Extensions" rel="up" title="C Extensions"> +<link href="Common-Variable-Attributes.html#Common-Variable-Attributes" rel="next" title="Common Variable Attributes"> +<link href="Xstormy16-Function-Attributes.html#Xstormy16-Function-Attributes" rel="previous" title="Xstormy16 Function Attributes"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en_US" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Variable-Attributes"></a> +<div class="header"> +<p> +Next: <a href="Type-Attributes.html#Type-Attributes" accesskey="n" rel="next">Type Attributes</a>, Previous: <a href="Function-Attributes.html#Function-Attributes" accesskey="p" rel="previous">Function Attributes</a>, Up: <a href="C-Extensions.html#C-Extensions" accesskey="u" rel="up">C Extensions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Specifying-Attributes-of-Variables"></a> +<h3 class="section">6.34 Specifying Attributes of Variables</h3> +<a name="index-attribute-of-variables"></a> +<a name="index-variable-attributes"></a> + +<p>The keyword <code>__attribute__</code> allows you to specify special properties +of variables, function parameters, or structure, union, and, in C++, class +members. This <code>__attribute__</code> keyword is followed by an attribute +specification enclosed in double parentheses. Some attributes are currently +defined generically for variables. Other attributes are defined for +variables on particular target systems. Other attributes are available +for functions (see <a href="Function-Attributes.html#Function-Attributes">Function Attributes</a>), labels (see <a href="Label-Attributes.html#Label-Attributes">Label Attributes</a>), +enumerators (see <a href="Enumerator-Attributes.html#Enumerator-Attributes">Enumerator Attributes</a>), statements +(see <a href="Statement-Attributes.html#Statement-Attributes">Statement Attributes</a>), and for types (see <a href="Type-Attributes.html#Type-Attributes">Type Attributes</a>). +Other front ends might define more attributes +(see <a href="C_002b_002b-Extensions.html#C_002b_002b-Extensions">Extensions to the C++ Language</a>). +</p> +<p>See <a href="Attribute-Syntax.html#Attribute-Syntax">Attribute Syntax</a>, for details of the exact syntax for using +attributes. +</p> +<table class="menu" border="0" cellspacing="0"> +<tr><td align="left" valign="top">• <a href="Common-Variable-Attributes.html#Common-Variable-Attributes" accesskey="1">Common Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="ARC-Variable-Attributes.html#ARC-Variable-Attributes" accesskey="2">ARC Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="AVR-Variable-Attributes.html#AVR-Variable-Attributes" accesskey="3">AVR Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="Blackfin-Variable-Attributes.html#Blackfin-Variable-Attributes" accesskey="4">Blackfin Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="H8_002f300-Variable-Attributes.html#H8_002f300-Variable-Attributes" accesskey="5">H8/300 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="IA_002d64-Variable-Attributes.html#IA_002d64-Variable-Attributes" accesskey="6">IA-64 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="LoongArch-Variable-Attributes.html#LoongArch-Variable-Attributes" accesskey="7">LoongArch Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="M32R_002fD-Variable-Attributes.html#M32R_002fD-Variable-Attributes" accesskey="8">M32R/D Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="Microsoft-Windows-Variable-Attributes.html#Microsoft-Windows-Variable-Attributes" accesskey="9">Microsoft Windows Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="MSP430-Variable-Attributes.html#MSP430-Variable-Attributes">MSP430 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="Nvidia-PTX-Variable-Attributes.html#Nvidia-PTX-Variable-Attributes">Nvidia PTX Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="PowerPC-Variable-Attributes.html#PowerPC-Variable-Attributes">PowerPC Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="RL78-Variable-Attributes.html#RL78-Variable-Attributes">RL78 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="V850-Variable-Attributes.html#V850-Variable-Attributes">V850 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="x86-Variable-Attributes.html#x86-Variable-Attributes">x86 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +<tr><td align="left" valign="top">• <a href="Xstormy16-Variable-Attributes.html#Xstormy16-Variable-Attributes">Xstormy16 Variable Attributes</a>:</td><td> </td><td align="left" valign="top"> +</td></tr> +</table> + +<hr> +<div class="header"> +<p> +Next: <a href="Type-Attributes.html#Type-Attributes" accesskey="n" rel="next">Type Attributes</a>, Previous: <a href="Function-Attributes.html#Function-Attributes" accesskey="p" rel="previous">Function Attributes</a>, Up: <a href="C-Extensions.html#C-Extensions" accesskey="u" rel="up">C Extensions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p> +</div> + + + +</body> +</html> |