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diff --git a/share/doc/gccint/Target-Macros.html b/share/doc/gccint/Target-Macros.html new file mode 100644 index 0000000..91df657 --- /dev/null +++ b/share/doc/gccint/Target-Macros.html @@ -0,0 +1,172 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- 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>GNU Compiler Collection (GCC) Internals: Target Macros</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Target Macros"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Target Macros"> +<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="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="index.html#Top" rel="up" title="Top"> +<link href="Target-Structure.html#Target-Structure" rel="next" title="Target Structure"> +<link href="Parameterized-Names.html#Parameterized-Names" rel="previous" title="Parameterized Names"> +<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" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Target-Macros"></a> +<div class="header"> +<p> +Next: <a href="Host-Config.html#Host-Config" accesskey="n" rel="next">Host Config</a>, Previous: <a href="Machine-Desc.html#Machine-Desc" accesskey="p" rel="previous">Machine Desc</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Target-Description-Macros-and-Functions"></a> +<h2 class="chapter">18 Target Description Macros and Functions</h2> +<a name="index-machine-description-macros"></a> +<a name="index-target-description-macros"></a> +<a name="index-macros_002c-target-description"></a> +<a name="index-tm_002eh-macros"></a> + +<p>In addition to the file <samp><var>machine</var>.md</samp>, a machine description +includes a C header file conventionally given the name +<samp><var>machine</var>.h</samp> and a C source file named <samp><var>machine</var>.c</samp>. +The header file defines numerous macros that convey the information +about the target machine that does not fit into the scheme of the +<samp>.md</samp> file. The file <samp>tm.h</samp> should be a link to +<samp><var>machine</var>.h</samp>. The header file <samp>config.h</samp> includes +<samp>tm.h</samp> and most compiler source files include <samp>config.h</samp>. The +source file defines a variable <code>targetm</code>, which is a structure +containing pointers to functions and data relating to the target +machine. <samp><var>machine</var>.c</samp> should also contain their definitions, +if they are not defined elsewhere in GCC, and other functions called +through the macros defined in the <samp>.h</samp> file. +</p> +<table class="menu" border="0" cellspacing="0"> +<tr><td align="left" valign="top">• <a href="Target-Structure.html#Target-Structure" accesskey="1">Target Structure</a>:</td><td> </td><td align="left" valign="top">The <code>targetm</code> variable. +</td></tr> +<tr><td align="left" valign="top">• <a href="Driver.html#Driver" accesskey="2">Driver</a>:</td><td> </td><td align="left" valign="top">Controlling how the driver runs the compilation passes. +</td></tr> +<tr><td align="left" valign="top">• <a href="Run_002dtime-Target.html#Run_002dtime-Target" accesskey="3">Run-time Target</a>:</td><td> </td><td align="left" valign="top">Defining ‘<samp>-m</samp>’ options like <samp>-m68000</samp> and <samp>-m68020</samp>. +</td></tr> +<tr><td align="left" valign="top">• <a href="Per_002dFunction-Data.html#Per_002dFunction-Data" accesskey="4">Per-Function Data</a>:</td><td> </td><td align="left" valign="top">Defining data structures for per-function information. +</td></tr> +<tr><td align="left" valign="top">• <a href="Storage-Layout.html#Storage-Layout" accesskey="5">Storage Layout</a>:</td><td> </td><td align="left" valign="top">Defining sizes and alignments of data. +</td></tr> +<tr><td align="left" valign="top">• <a href="Type-Layout.html#Type-Layout" accesskey="6">Type Layout</a>:</td><td> </td><td align="left" valign="top">Defining sizes and properties of basic user data types. +</td></tr> +<tr><td align="left" valign="top">• <a href="Registers.html#Registers" accesskey="7">Registers</a>:</td><td> </td><td align="left" valign="top">Naming and describing the hardware registers. +</td></tr> +<tr><td align="left" valign="top">• <a href="Register-Classes.html#Register-Classes" accesskey="8">Register Classes</a>:</td><td> </td><td align="left" valign="top">Defining the classes of hardware registers. +</td></tr> +<tr><td align="left" valign="top">• <a href="Stack-and-Calling.html#Stack-and-Calling" accesskey="9">Stack and Calling</a>:</td><td> </td><td align="left" valign="top">Defining which way the stack grows and by how much. +</td></tr> +<tr><td align="left" valign="top">• <a href="Varargs.html#Varargs">Varargs</a>:</td><td> </td><td align="left" valign="top">Defining the varargs macros. +</td></tr> +<tr><td align="left" valign="top">• <a href="Trampolines.html#Trampolines">Trampolines</a>:</td><td> </td><td align="left" valign="top">Code set up at run time to enter a nested function. +</td></tr> +<tr><td align="left" valign="top">• <a href="Library-Calls.html#Library-Calls">Library Calls</a>:</td><td> </td><td align="left" valign="top">Controlling how library routines are implicitly called. +</td></tr> +<tr><td align="left" valign="top">• <a href="Addressing-Modes.html#Addressing-Modes">Addressing Modes</a>:</td><td> </td><td align="left" valign="top">Defining addressing modes valid for memory operands. +</td></tr> +<tr><td align="left" valign="top">• <a href="Anchored-Addresses.html#Anchored-Addresses">Anchored Addresses</a>:</td><td> </td><td align="left" valign="top">Defining how <samp>-fsection-anchors</samp> should work. +</td></tr> +<tr><td align="left" valign="top">• <a href="Condition-Code.html#Condition-Code">Condition Code</a>:</td><td> </td><td align="left" valign="top">Defining how insns update the condition code. +</td></tr> +<tr><td align="left" valign="top">• <a href="Costs.html#Costs">Costs</a>:</td><td> </td><td align="left" valign="top">Defining relative costs of different operations. +</td></tr> +<tr><td align="left" valign="top">• <a href="Scheduling.html#Scheduling">Scheduling</a>:</td><td> </td><td align="left" valign="top">Adjusting the behavior of the instruction scheduler. +</td></tr> +<tr><td align="left" valign="top">• <a href="Sections.html#Sections">Sections</a>:</td><td> </td><td align="left" valign="top">Dividing storage into text, data, and other sections. +</td></tr> +<tr><td align="left" valign="top">• <a href="PIC.html#PIC">PIC</a>:</td><td> </td><td align="left" valign="top">Macros for position independent code. +</td></tr> +<tr><td align="left" valign="top">• <a href="Assembler-Format.html#Assembler-Format">Assembler Format</a>:</td><td> </td><td align="left" valign="top">Defining how to write insns and pseudo-ops to output. +</td></tr> +<tr><td align="left" valign="top">• <a href="Debugging-Info.html#Debugging-Info">Debugging Info</a>:</td><td> </td><td align="left" valign="top">Defining the format of debugging output. +</td></tr> +<tr><td align="left" valign="top">• <a href="Floating-Point.html#Floating-Point">Floating Point</a>:</td><td> </td><td align="left" valign="top">Handling floating point for cross-compilers. +</td></tr> +<tr><td align="left" valign="top">• <a href="Mode-Switching.html#Mode-Switching">Mode Switching</a>:</td><td> </td><td align="left" valign="top">Insertion of mode-switching instructions. +</td></tr> +<tr><td align="left" valign="top">• <a href="Target-Attributes.html#Target-Attributes">Target Attributes</a>:</td><td> </td><td align="left" valign="top">Defining target-specific uses of <code>__attribute__</code>. +</td></tr> +<tr><td align="left" valign="top">• <a href="Emulated-TLS.html#Emulated-TLS">Emulated TLS</a>:</td><td> </td><td align="left" valign="top">Emulated TLS support. +</td></tr> +<tr><td align="left" valign="top">• <a href="MIPS-Coprocessors.html#MIPS-Coprocessors">MIPS Coprocessors</a>:</td><td> </td><td align="left" valign="top">MIPS coprocessor support and how to customize it. +</td></tr> +<tr><td align="left" valign="top">• <a href="PCH-Target.html#PCH-Target">PCH Target</a>:</td><td> </td><td align="left" valign="top">Validity checking for precompiled headers. +</td></tr> +<tr><td align="left" valign="top">• <a href="C_002b_002b-ABI.html#C_002b_002b-ABI">C++ ABI</a>:</td><td> </td><td align="left" valign="top">Controlling C++ ABI changes. +</td></tr> +<tr><td align="left" valign="top">• <a href="D-Language-and-ABI.html#D-Language-and-ABI">D Language and ABI</a>:</td><td> </td><td align="left" valign="top">Controlling D ABI changes. +</td></tr> +<tr><td align="left" valign="top">• <a href="Named-Address-Spaces.html#Named-Address-Spaces">Named Address Spaces</a>:</td><td> </td><td align="left" valign="top">Adding support for named address spaces +</td></tr> +<tr><td align="left" valign="top">• <a href="Misc.html#Misc">Misc</a>:</td><td> </td><td align="left" valign="top">Everything else. +</td></tr> +</table> + +<hr> +<div class="header"> +<p> +Next: <a href="Host-Config.html#Host-Config" accesskey="n" rel="next">Host Config</a>, Previous: <a href="Machine-Desc.html#Machine-Desc" accesskey="p" rel="previous">Machine Desc</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> + + + +</body> +</html> |