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diff --git a/share/doc/stabs/Stab-Section-Transformations.html b/share/doc/stabs/Stab-Section-Transformations.html new file mode 100644 index 0000000..64a775b --- /dev/null +++ b/share/doc/stabs/Stab-Section-Transformations.html @@ -0,0 +1,115 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1992-2023 Free Software Foundation, Inc. +Contributed by Cygnus Support. Written by Julia Menapace, Jim Kingdon, +and David MacKenzie. + +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 no +Invariant Sections, with no Front-Cover Texts, and with no Back-Cover +Texts. A copy of the license is included in the section entitled "GNU +Free Documentation License". --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>STABS: Stab Section Transformations</title> + +<meta name="description" content="STABS: Stab Section Transformations"> +<meta name="keywords" content="STABS: Stab Section Transformations"> +<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="Symbol-Types-Index.html#Symbol-Types-Index" rel="index" title="Symbol Types Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Transformations-On-Symbol-Tables.html#Transformations-On-Symbol-Tables" rel="up" title="Transformations On Symbol Tables"> +<link href="Cplusplus.html#Cplusplus" rel="next" title="Cplusplus"> +<link href="Transformations-On-Global-Variables.html#Transformations-On-Global-Variables" rel="previous" title="Transformations On Global Variables"> +<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="Stab-Section-Transformations"></a> +<div class="header"> +<p> +Previous: <a href="Transformations-On-Global-Variables.html#Transformations-On-Global-Variables" accesskey="p" rel="previous">Transformations On Global Variables</a>, Up: <a href="Transformations-On-Symbol-Tables.html#Transformations-On-Symbol-Tables" accesskey="u" rel="up">Transformations On Symbol Tables</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Symbol-Types-Index.html#Symbol-Types-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Transformations-of-Stabs-in-separate-sections"></a> +<h4 class="subsection">7.2.3 Transformations of Stabs in separate sections</h4> + +<p>For object file formats using stabs in separate sections (see <a href="Stab-Sections.html#Stab-Sections">Stab Sections</a>), use <code>objdump --stabs</code> instead of <code>nm</code> to show the +stabs in an object or executable file. <code>objdump</code> is a GNU utility; +Sun does not provide any equivalent. +</p> +<p>The following example is for a stab whose value is an address is +relative to the compilation unit (see <a href="ELF-Linker-Relocation.html#ELF-Linker-Relocation">ELF Linker Relocation</a>). For +example, if the source line +</p> +<div class="example"> +<pre class="example">static int ld = 5; +</pre></div> + +<p>appears within a function, then the assembly language output from the +compiler contains: +</p> +<div class="example"> +<pre class="example">.Ddata.data: +… + .stabs "ld:V(0,3)",0x26,0,4,.L18-Ddata.data # <span class="roman">0x26 is N_STSYM</span> +… +.L18: + .align 4 + .word 0x5 +</pre></div> + +<p>Because the value is formed by subtracting one symbol from another, the +value is absolute, not relocatable, and so the object file contains +</p> +<div class="example"> +<pre class="example">Symnum n_type n_othr n_desc n_value n_strx String +31 STSYM 0 4 00000004 680 ld:V(0,3) +</pre></div> + +<p>without any relocations, and the executable file also contains +</p> +<div class="example"> +<pre class="example">Symnum n_type n_othr n_desc n_value n_strx String +31 STSYM 0 4 00000004 680 ld:V(0,3) +</pre></div> + + + + +</body> +</html> |