[bf8c11f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | <!ENTITY % patches-entities SYSTEM "../../patches.ent"> |
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| 6 | %general-entities; |
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| 7 | %patches-entities; |
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| 8 | ]> |
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| 9 | |
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| 10 | <sect1 id="ch-system-binutils" role="wrap"> |
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| 11 | <?dbhtml filename="binutils.html"?> |
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| 12 | |
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| 13 | <title>Binutils-&binutils-version;</title> |
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| 14 | |
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| 15 | <indexterm zone="ch-system-binutils"> |
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| 16 | <primary sortas="a-Binutils">Binutils</primary> |
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| 17 | </indexterm> |
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| 18 | |
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| 19 | <sect2 role="package"> |
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| 20 | <title/> |
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| 21 | |
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| 22 | <para>The Binutils package contains a linker, an assembler, and other |
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| 23 | tools for handling object files.</para> |
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| 24 | |
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| 25 | <segmentedlist> |
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| 26 | <segtitle>&buildtime;</segtitle> |
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| 27 | <segtitle>&diskspace;</segtitle> |
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| 28 | |
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| 29 | <seglistitem> |
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| 30 | <seg>Not checked yet</seg> |
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| 31 | <seg>Not checked yet</seg> |
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| 32 | </seglistitem> |
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| 33 | </segmentedlist> |
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| 34 | |
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| 35 | <segmentedlist> |
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| 36 | <segtitle>&dependencies;</segtitle> |
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| 37 | |
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| 38 | <seglistitem> |
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| 39 | <seg>Bash, Coreutils, Diffutils, GCC, Gettext, |
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| 40 | Glibc, Grep, Make, Perl, Sed, and Texinfo</seg> |
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| 41 | </seglistitem> |
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| 42 | </segmentedlist> |
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| 43 | |
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| 44 | </sect2> |
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| 45 | |
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| 46 | <sect2 role="installation"> |
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| 47 | <title>Installation of Binutils</title> |
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| 48 | |
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| 49 | <para os="a">This package is known to have issues when its default |
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| 50 | optimization flags (including the <option>-march</option> and |
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| 51 | <option>-mcpu</option> options) are changed. If any environment |
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| 52 | variables that override default optimizations have been defined, such |
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| 53 | as <envar>CFLAGS</envar> and <envar>CXXFLAGS</envar>, |
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| 54 | unset them when building Binutils.</para> |
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| 55 | |
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| 56 | <para os="b">Verify that the PTYs are working properly inside the build |
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| 57 | environment. Check that everything is set up correctly by performing a |
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| 58 | simple test:</para> |
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| 59 | |
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| 60 | <screen os="c"><userinput>expect -c "spawn ls"</userinput></screen> |
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| 61 | |
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| 62 | <para os="d">If the following message shows up, the environment is not |
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| 63 | set up for proper PTY operation:</para> |
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| 64 | |
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| 65 | <screen os="e"><computeroutput>The system has no more ptys. |
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| 66 | Ask your system administrator to create more.</computeroutput></screen> |
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| 67 | |
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| 68 | <para os="f">This issue needs to be resolved before running the test suites |
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| 69 | for Binutils and GCC.</para> |
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| 70 | |
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| 71 | <para os="g">The Binutils documentation recommends building Binutils outside of the |
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| 72 | source directory in a dedicated build directory:</para> |
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| 73 | |
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| 74 | <screen os="h"><userinput>mkdir ../binutils-build |
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| 75 | cd ../binutils-build</userinput></screen> |
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| 76 | |
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| 77 | <para os="i">Prepare Binutils for compilation:</para> |
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| 78 | |
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| 79 | <screen><userinput>../binutils-&binutils-version;/configure --prefix=/usr \ |
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| 80 | --enable-shared</userinput></screen> |
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| 81 | |
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| 82 | <para os="j">Compile the package:</para> |
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| 83 | |
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| 84 | <screen os="k"><userinput>make configure-host</userinput></screen> |
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| 85 | |
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| 86 | <important os="l"> |
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| 87 | <para>During <command>make configure-host</command> you may receive the |
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| 88 | following error message. It is safe to ignore.</para> |
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| 89 | |
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| 90 | <screen><computeroutput>WARNING: `flex' is missing on your system. You should only |
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| 91 | need it if you modified a `.l' file. You may need the `Flex' |
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| 92 | package in order for those modifications to take effect. You |
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| 93 | can get `Flex' from any GNU archive site.</computeroutput></screen> |
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| 94 | </important> |
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| 95 | |
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| 96 | <screen os="m"><userinput>make tooldir=/usr</userinput></screen> |
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| 97 | |
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| 98 | <para os="n">Normally, the tooldir (the directory where the executables |
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| 99 | will ultimately be located) is set to <filename |
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| 100 | class="directory">$(exec_prefix)/$(target_alias)</filename>. For |
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| 101 | example, i686 machines would expand that to <filename |
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| 102 | class="directory">/usr/i686-pc-linux-gnu</filename>. Because this |
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| 103 | is a custom system, this target-specific directory in <filename |
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| 104 | class="directory">/usr</filename> is not required. <filename |
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| 105 | class="directory">$(exec_prefix)/$(target_alias)</filename> would |
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| 106 | be used if the system was used to cross-compile (for example, |
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| 107 | compiling a package on an Intel machine that generates code that |
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| 108 | can be executed on PowerPC machines).</para> |
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| 109 | |
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| 110 | <important os="o"> |
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| 111 | <para>The test suite for Binutils in this section is considered critical. |
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| 112 | Do not skip it under any circumstances.</para> |
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| 113 | </important> |
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| 114 | |
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| 115 | <para os="p">Test the results:</para> |
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| 116 | |
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| 117 | <screen os="q"><userinput>make check</userinput></screen> |
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| 118 | |
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| 119 | <para os="r">Install the package:</para> |
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| 120 | |
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| 121 | <screen os="s"><userinput>make tooldir=/usr install</userinput></screen> |
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| 122 | |
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| 123 | <para os="t">Install the <filename class="headerfile">libiberty</filename> header |
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| 124 | file that is needed by some packages:</para> |
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| 125 | |
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| 126 | <screen os="u"><userinput>cp ../binutils-&binutils-version;/include/libiberty.h /usr/include</userinput></screen> |
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| 127 | |
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| 128 | </sect2> |
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| 129 | |
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| 130 | <sect2 id="contents-binutils" role="content"> |
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| 131 | <title>Contents of Binutils</title> |
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| 132 | |
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| 133 | <segmentedlist> |
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| 134 | <segtitle>Installed programs</segtitle> |
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| 135 | <segtitle>Installed libraries</segtitle> |
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| 136 | |
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| 137 | <seglistitem> |
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| 138 | <seg>addr2line, ar, as, c++filt, gprof, ld, nm, objcopy, objdump, |
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| 139 | ranlib, readelf, size, strings, and strip</seg> |
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| 140 | <seg>libiberty.a, libbfd.[a,so], and libopcodes.[a,so]</seg> |
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| 141 | </seglistitem> |
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| 142 | </segmentedlist> |
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| 143 | |
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| 144 | <variablelist> |
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| 145 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 146 | <?dbfo list-presentation="list"?> |
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| 147 | <?dbhtml list-presentation="table"?> |
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| 148 | |
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| 149 | <varlistentry id="addr2line"> |
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| 150 | <term><command>addr2line</command></term> |
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| 151 | <listitem> |
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| 152 | <para>Translates program addresses to file names and line numbers; |
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| 153 | given an address and the name of an executable, it uses the debugging |
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| 154 | information in the executable to determine which source file and line |
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| 155 | number are associated with the address</para> |
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| 156 | <indexterm zone="ch-system-binutils addr2line"> |
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| 157 | <primary sortas="b-addr2line">addr2line</primary> |
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| 158 | </indexterm> |
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| 159 | </listitem> |
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| 160 | </varlistentry> |
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| 161 | |
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| 162 | <varlistentry id="ar"> |
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| 163 | <term><command>ar</command></term> |
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| 164 | <listitem> |
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| 165 | <para>Creates, modifies, and extracts from archives</para> |
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| 166 | <indexterm zone="ch-system-binutils ar"> |
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| 167 | <primary sortas="b-ar">ar</primary> |
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| 168 | </indexterm> |
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| 169 | </listitem> |
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| 170 | </varlistentry> |
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| 171 | |
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| 172 | <varlistentry id="as"> |
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| 173 | <term><command>as</command></term> |
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| 174 | <listitem> |
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| 175 | <para>An assembler that assembles the output of <command>gcc</command> |
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| 176 | into object files</para> |
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| 177 | <indexterm zone="ch-system-binutils as"> |
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| 178 | <primary sortas="b-as">as</primary> |
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| 179 | </indexterm> |
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| 180 | </listitem> |
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| 181 | </varlistentry> |
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| 182 | |
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| 183 | <varlistentry id="c-filt"> |
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| 184 | <term><command>c++filt</command></term> |
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| 185 | <listitem> |
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| 186 | <para>Used by the linker to de-mangle C++ and Java symbols and to keep |
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| 187 | overloaded functions from clashing</para> |
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| 188 | <indexterm zone="ch-system-binutils c-filt"> |
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| 189 | <primary sortas="b-c++filt">c++filt</primary> |
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| 190 | </indexterm> |
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| 191 | </listitem> |
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| 192 | </varlistentry> |
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| 193 | |
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| 194 | <varlistentry id="gprof"> |
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| 195 | <term><command>gprof</command></term> |
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| 196 | <listitem> |
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| 197 | <para>Displays call graph profile data</para> |
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| 198 | <indexterm zone="ch-system-binutils gprof"> |
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| 199 | <primary sortas="b-gprof">gprof</primary> |
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| 200 | </indexterm> |
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| 201 | </listitem> |
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| 202 | </varlistentry> |
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| 203 | |
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| 204 | <varlistentry id="ld"> |
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| 205 | <term><command>ld</command></term> |
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| 206 | <listitem> |
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| 207 | <para>A linker that combines a number of object and archive files |
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| 208 | into a single file, relocating their data and tying up symbol |
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| 209 | references</para> |
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| 210 | <indexterm zone="ch-system-binutils ld"> |
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| 211 | <primary sortas="b-ld">ld</primary> |
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| 212 | </indexterm> |
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| 213 | </listitem> |
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| 214 | </varlistentry> |
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| 215 | |
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| 216 | <varlistentry id="nm"> |
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| 217 | <term><command>nm</command></term> |
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| 218 | <listitem> |
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| 219 | <para>Lists the symbols occurring in a given object file</para> |
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| 220 | <indexterm zone="ch-system-binutils nm"> |
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| 221 | <primary sortas="b-nm">nm</primary> |
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| 222 | </indexterm> |
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| 223 | </listitem> |
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| 224 | </varlistentry> |
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| 225 | |
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| 226 | <varlistentry id="objcopy"> |
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| 227 | <term><command>objcopy</command></term> |
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| 228 | <listitem> |
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| 229 | <para>Translates one type of object file into another</para> |
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| 230 | <indexterm zone="ch-system-binutils objcopy"> |
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| 231 | <primary sortas="b-objcopy">objcopy</primary> |
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| 232 | </indexterm> |
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| 233 | </listitem> |
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| 234 | </varlistentry> |
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| 235 | |
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| 236 | <varlistentry id="objdump"> |
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| 237 | <term><command>objdump</command></term> |
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| 238 | <listitem> |
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| 239 | <para>Displays information about the given object file, with options |
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| 240 | controlling the particular information to display; the information |
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| 241 | shown is useful to programmers who are working on the compilation |
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| 242 | tools</para> |
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| 243 | <indexterm zone="ch-system-binutils objdump"> |
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| 244 | <primary sortas="b-objdump">objdump</primary> |
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| 245 | </indexterm> |
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| 246 | </listitem> |
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| 247 | </varlistentry> |
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| 248 | |
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| 249 | <varlistentry id="ranlib"> |
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| 250 | <term><command>ranlib</command></term> |
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| 251 | <listitem> |
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| 252 | <para>Generates an index of the contents of an archive and stores it |
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| 253 | in the archive; the index lists all of the symbols defined by archive |
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| 254 | members that are relocatable object files</para> |
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| 255 | <indexterm zone="ch-system-binutils ranlib"> |
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| 256 | <primary sortas="b-ranlib">ranlib</primary> |
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| 257 | </indexterm> |
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| 258 | </listitem> |
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| 259 | </varlistentry> |
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| 260 | |
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| 261 | <varlistentry id="readelf"> |
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| 262 | <term><command>readelf</command></term> |
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| 263 | <listitem> |
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| 264 | <para>Displays information about ELF type binaries</para> |
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| 265 | <indexterm zone="ch-system-binutils readelf"> |
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| 266 | <primary sortas="b-readelf">readelf</primary> |
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| 267 | </indexterm> |
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| 268 | </listitem> |
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| 269 | </varlistentry> |
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| 270 | |
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| 271 | <varlistentry id="size"> |
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| 272 | <term><command>size</command></term> |
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| 273 | <listitem> |
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| 274 | <para>Lists the section sizes and the total size for the given |
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| 275 | object files</para> |
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| 276 | <indexterm zone="ch-system-binutils size"> |
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| 277 | <primary sortas="b-size">size</primary> |
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| 278 | </indexterm> |
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| 279 | </listitem> |
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| 280 | </varlistentry> |
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| 281 | |
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| 282 | <varlistentry id="strings"> |
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| 283 | <term><command>strings</command></term> |
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| 284 | <listitem> |
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| 285 | <para>Outputs, for each given file, the sequences of printable |
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| 286 | characters that are of at least the specified length (defaulting to |
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| 287 | four); for object files, it prints, by default, only the strings from |
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| 288 | the initializing and loading sections while for other types of files, |
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| 289 | it scans the entire file</para> |
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| 290 | <indexterm zone="ch-system-binutils strings"> |
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| 291 | <primary sortas="b-strings">strings</primary> |
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| 292 | </indexterm> |
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| 293 | </listitem> |
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| 294 | </varlistentry> |
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| 295 | |
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| 296 | <varlistentry id="strip"> |
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| 297 | <term><command>strip</command></term> |
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| 298 | <listitem> |
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| 299 | <para>Discards symbols from object files</para> |
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| 300 | <indexterm zone="ch-system-binutils strip"> |
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| 301 | <primary sortas="b-strip">strip</primary> |
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| 302 | </indexterm> |
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| 303 | </listitem> |
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| 304 | </varlistentry> |
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| 305 | |
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| 306 | <varlistentry id="libiberty"> |
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| 307 | <term><filename class="libraryfile">libiberty</filename></term> |
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| 308 | <listitem> |
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| 309 | <para>Contains routines used by various GNU programs, including |
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| 310 | <command>getopt</command>, <command>obstack</command>, |
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| 311 | <command>strerror</command>, <command>strtol</command>, and |
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| 312 | <command>strtoul</command></para> |
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| 313 | <indexterm zone="ch-system-binutils libiberty"> |
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| 314 | <primary sortas="c-libiberty">libiberty</primary> |
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| 315 | </indexterm> |
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| 316 | </listitem> |
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| 317 | </varlistentry> |
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| 318 | |
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| 319 | <varlistentry id="libbfd"> |
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| 320 | <term><filename class="libraryfile">libbfd</filename></term> |
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| 321 | <listitem> |
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| 322 | <para>The Binary File Descriptor library</para> |
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| 323 | <indexterm zone="ch-system-binutils libbfd"> |
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| 324 | <primary sortas="c-libbfd">libbfd</primary> |
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| 325 | </indexterm> |
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| 326 | </listitem> |
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| 327 | </varlistentry> |
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| 328 | |
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| 329 | <varlistentry id="libopcodes"> |
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| 330 | <term><filename class="libraryfile">libopcodes</filename></term> |
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| 331 | <listitem> |
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| 332 | <para>A library for dealing with opcodes—the <quote>readable |
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| 333 | text</quote> versions of instructions for the processor; |
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| 334 | it is used for building utilities like |
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| 335 | <command>objdump</command>.</para> |
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| 336 | <indexterm zone="ch-system-binutils libopcodes"> |
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| 337 | <primary sortas="c-libopcodes">libopcodes</primary> |
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| 338 | </indexterm> |
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| 339 | </listitem> |
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| 340 | </varlistentry> |
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| 341 | |
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| 342 | </variablelist> |
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| 343 | |
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| 344 | </sect2> |
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| 345 | |
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| 346 | </sect1> |
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