You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
3.3 KiB
HTML
90 lines
3.3 KiB
HTML
<html lang="en">
|
|
<head>
|
|
<title>Reading Symbols - Untitled</title>
|
|
<meta http-equiv="Content-Type" content="text/html">
|
|
<meta name="description" content="Untitled">
|
|
<meta name="generator" content="makeinfo 4.7">
|
|
<link title="Top" rel="start" href="index.html#Top">
|
|
<link rel="up" href="Symbols.html#Symbols" title="Symbols">
|
|
<link rel="prev" href="Symbols.html#Symbols" title="Symbols">
|
|
<link rel="next" href="Writing-Symbols.html#Writing-Symbols" title="Writing Symbols">
|
|
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
|
|
<!--
|
|
This file documents the BFD library.
|
|
|
|
Copyright (C) 1991, 2000, 2001, 2003, 2006, 2007 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 1.1 or
|
|
any later version published by the Free Software Foundation; with the
|
|
Invariant Sections being ``GNU General Public License'' and ``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.-->
|
|
<meta http-equiv="Content-Style-Type" content="text/css">
|
|
<style type="text/css"><!--
|
|
pre.display { font-family:inherit }
|
|
pre.format { font-family:inherit }
|
|
pre.smalldisplay { font-family:inherit; font-size:smaller }
|
|
pre.smallformat { font-family:inherit; font-size:smaller }
|
|
pre.smallexample { font-size:smaller }
|
|
pre.smalllisp { font-size:smaller }
|
|
span.sc { font-variant:small-caps }
|
|
span.roman { font-family: serif; font-weight: normal; }
|
|
--></style>
|
|
</head>
|
|
<body>
|
|
<div class="node">
|
|
<p>
|
|
<a name="Reading-Symbols"></a>Next: <a rel="next" accesskey="n" href="Writing-Symbols.html#Writing-Symbols">Writing Symbols</a>,
|
|
Previous: <a rel="previous" accesskey="p" href="Symbols.html#Symbols">Symbols</a>,
|
|
Up: <a rel="up" accesskey="u" href="Symbols.html#Symbols">Symbols</a>
|
|
<hr><br>
|
|
</div>
|
|
|
|
<h4 class="subsection">2.7.1 Reading symbols</h4>
|
|
|
|
<p>There are two stages to reading a symbol table from a BFD:
|
|
allocating storage, and the actual reading process. This is an
|
|
excerpt from an application which reads the symbol table:
|
|
|
|
<pre class="example"> long storage_needed;
|
|
asymbol **symbol_table;
|
|
long number_of_symbols;
|
|
long i;
|
|
|
|
storage_needed = bfd_get_symtab_upper_bound (abfd);
|
|
|
|
if (storage_needed < 0)
|
|
FAIL
|
|
|
|
if (storage_needed == 0)
|
|
return;
|
|
|
|
symbol_table = xmalloc (storage_needed);
|
|
...
|
|
number_of_symbols =
|
|
bfd_canonicalize_symtab (abfd, symbol_table);
|
|
|
|
if (number_of_symbols < 0)
|
|
FAIL
|
|
|
|
for (i = 0; i < number_of_symbols; i++)
|
|
process_symbol (symbol_table[i]);
|
|
</pre>
|
|
<p>All storage for the symbols themselves is in an objalloc
|
|
connected to the BFD; it is freed when the BFD is closed.
|
|
|
|
</body></html>
|
|
|