diff options
Diffstat (limited to 'chapter06/aboutdebug.xml')
-rw-r--r-- | chapter06/aboutdebug.xml | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/chapter06/aboutdebug.xml b/chapter06/aboutdebug.xml deleted file mode 100644 index f49618c83..000000000 --- a/chapter06/aboutdebug.xml +++ /dev/null @@ -1,52 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-system-aboutdebug"> - <?dbhtml filename="aboutdebug.html"?> - - <title>About Debugging Symbols</title> - - <para>Most programs and libraries are, by default, compiled with - debugging symbols included (with <command>gcc</command>'s - <parameter>-g</parameter> option). This means that when debugging a - program or library that was compiled with debugging information - included, the debugger can provide not only memory addresses, but also - the names of the routines and variables.</para> - - <para>However, the inclusion of these debugging symbols enlarges a - program or library significantly. The following is an example of the - amount of space these symbols occupy:</para> - - <itemizedlist> - <listitem> - <para>A <command>bash</command> binary with debugging symbols: - 1200 KB</para> - </listitem> - <listitem> - <para>A <command>bash</command> binary without debugging symbols: - 480 KB</para> - </listitem> - <listitem> - <para>Glibc and GCC files (<filename class="directory">/lib</filename> - and <filename class="directory">/usr/lib</filename>) with debugging - symbols: 87 MB</para> - </listitem> - <listitem> - <para>Glibc and GCC files without debugging symbols: 16 MB</para> - </listitem> - </itemizedlist> - - <para>Sizes may vary depending on which compiler and C library were used, - but when comparing programs with and without debugging symbols, the - difference will usually be a factor between two and five.</para> - - <para>Because most users will never use a debugger on their system software, - a lot of disk space can be regained by removing these symbols. The next - section shows how to strip all debugging symbols from the programs and - libraries.</para> - -</sect1> |