[a9e389d] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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[bd48e48] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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[a9e389d] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-cross-tools-binutils" role="wrap"> |
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| 9 | <?dbhtml filename="binutils.html"?> |
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| 10 | |
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| 11 | <title>Cross Binutils-&binutils-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-cross-tools-binutils"> |
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| 14 | <primary sortas="a-Binutils">Binutils</primary> |
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| 15 | <secondary>cross tools</secondary> |
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| 16 | </indexterm> |
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| 17 | |
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| 18 | <sect2 role="package"> |
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| 19 | <title/> |
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| 20 | |
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| 21 | <para>The Binutils package contains a linker, an assembler, and other |
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| 22 | tools for handling object files.</para> |
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| 23 | |
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| 24 | </sect2> |
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| 25 | |
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| 26 | <sect2 role="installation"> |
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| 27 | <title>Installation of Cross Binutils</title> |
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| 28 | |
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[e666df1] | 29 | <para os="a">It is important that Binutils be the first package compiled |
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| 30 | because both uClibc and GCC perform various tests on the available |
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[a9e389d] | 31 | linker and assembler to determine which of their own features to |
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| 32 | enable.</para> |
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| 33 | |
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[e666df1] | 34 | <para os="b">The Binutils documentation recommends building Binutils outside of the |
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[a9e389d] | 35 | source directory in a dedicated build directory:</para> |
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| 36 | |
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[e666df1] | 37 | <screen os="c"><userinput>mkdir -v ../binutils-build |
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[a9e389d] | 38 | cd ../binutils-build</userinput></screen> |
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| 39 | |
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[e666df1] | 40 | <para os="d">Prepare Binutils for compilation:</para> |
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[a9e389d] | 41 | |
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[e666df1] | 42 | <screen os="e"><userinput>../binutils-&binutils-version;/configure --prefix=${CLFS}/cross-tools \ |
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[9dc5852] | 43 | --target=${CLFS_TARGET} --with-sysroot=${CLFS} --disable-nls \ |
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| 44 | --enable-shared --disable-multilib</userinput></screen> |
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[a9e389d] | 45 | |
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[e666df1] | 46 | <variablelist os="f"> |
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[a9e389d] | 47 | <title>The meaning of the configure options:</title> |
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| 48 | |
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[e666df1] | 49 | <varlistentry os="f1"> |
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[a9e389d] | 50 | <term><parameter>--prefix=${CLFS}/cross-tools</parameter></term> |
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| 51 | <listitem> |
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| 52 | <para>This tells the configure script to prepare to install the |
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| 53 | package in the <filename class="directory">${CLFS}/cross-tools</filename> |
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| 54 | directory.</para> |
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| 55 | </listitem> |
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| 56 | </varlistentry> |
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| 57 | |
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[e666df1] | 58 | <varlistentry os="f3"> |
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[a9e389d] | 59 | <term><parameter>--target=${CLFS_TARGET}</parameter></term> |
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| 60 | <listitem> |
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| 61 | <para>When used with --host, this creates a cross-architecture |
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| 62 | executable that creates files for ${CLFS_TARGET} but runs on |
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[9dc5852] | 63 | the host system.</para> |
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[a9e389d] | 64 | </listitem> |
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| 65 | </varlistentry> |
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| 66 | |
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[e666df1] | 67 | <varlistentry os="f4"> |
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[a9e389d] | 68 | <term><parameter>--with-sysroot=${CLFS}</parameter></term> |
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| 69 | <listitem> |
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| 70 | <para>This tells configure that ${CLFS} is going to be the root |
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| 71 | of our system. It will now use the specified sysroot, ${CLFS}, as |
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| 72 | a prefix of the default search paths.</para> |
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| 73 | </listitem> |
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| 74 | </varlistentry> |
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| 75 | |
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[e666df1] | 76 | <varlistentry os="f5"> |
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[a9e389d] | 77 | <term><parameter>--disable-nls</parameter></term> |
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| 78 | <listitem> |
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| 79 | <para>This disables internationalization as i18n is not needed for the |
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| 80 | cross-compile tools.</para> |
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| 81 | </listitem> |
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| 82 | </varlistentry> |
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| 83 | |
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[e666df1] | 84 | <varlistentry os="f6"> |
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[a9e389d] | 85 | <term><parameter>--enable-shared</parameter></term> |
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| 86 | <listitem> |
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| 87 | <para>Enable the creation of the shared libraries.</para> |
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| 88 | </listitem> |
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| 89 | </varlistentry> |
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| 90 | |
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[e666df1] | 91 | <varlistentry os="f7"> |
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[a9e389d] | 92 | <term><parameter>--disable-multilib</parameter></term> |
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| 93 | <listitem> |
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| 94 | <para>This option disables the building of a multilib |
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| 95 | capable binutils.</para> |
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| 96 | </listitem> |
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| 97 | </varlistentry> |
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| 98 | |
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| 99 | </variablelist> |
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| 100 | |
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[e666df1] | 101 | <para os="g">Compile the package:</para> |
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[a9e389d] | 102 | |
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[e666df1] | 103 | <screen os="h"><userinput>make configure-host |
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[a9e389d] | 104 | make</userinput></screen> |
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| 105 | |
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[e666df1] | 106 | <variablelist os="i"> |
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[a9e389d] | 107 | <title>The meaning of the make options:</title> |
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| 108 | |
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[e666df1] | 109 | <varlistentry os="i1"> |
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[a9e389d] | 110 | <term><parameter>configure-host</parameter></term> |
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| 111 | <listitem> |
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| 112 | <para>This checks the host environment and makes sure all the |
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| 113 | necessary tools are available to compile Binutils.</para> |
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| 114 | </listitem> |
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| 115 | </varlistentry> |
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| 116 | |
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| 117 | </variablelist> |
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| 118 | |
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[e666df1] | 119 | <para os="j">Install the package:</para> |
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[a9e389d] | 120 | |
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[e666df1] | 121 | <screen os="k"><userinput>make install</userinput></screen> |
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[a9e389d] | 122 | |
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[e666df1] | 123 | <para os="l">Copy the <filename class="headerfile">libiberty.h</filename> file to |
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[a9e389d] | 124 | <filename class="directory">${CLFS}/usr/include</filename> directory:</para> |
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| 125 | |
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[e666df1] | 126 | <screen os="m"><userinput>cp -v ../binutils-&binutils-version;/include/libiberty.h ${CLFS}/usr/include</userinput></screen> |
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[a9e389d] | 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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[6561a0f] | 156 | <indexterm zone="ch-cross-tools-binutils addr2line"> |
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[a9e389d] | 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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[6561a0f] | 166 | <indexterm zone="ch-cross-tools-binutils ar"> |
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[a9e389d] | 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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[6561a0f] | 177 | <indexterm zone="ch-cross-tools-binutils as"> |
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[a9e389d] | 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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[6561a0f] | 188 | <indexterm zone="ch-cross-tools-binutils c-filt"> |
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[a9e389d] | 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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[6561a0f] | 198 | <indexterm zone="ch-cross-tools-binutils gprof"> |
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[a9e389d] | 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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[6561a0f] | 210 | <indexterm zone="ch-cross-tools-binutils ld"> |
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[a9e389d] | 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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[6561a0f] | 220 | <indexterm zone="ch-cross-tools-binutils nm"> |
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[a9e389d] | 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="objdump"> |
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| 227 | <term><command>objdump</command></term> |
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| 228 | <listitem> |
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| 229 | <para>Displays information about the given object file, with options |
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| 230 | controlling the particular information to display; the information |
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| 231 | shown is useful to programmers who are working on the compilation |
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| 232 | tools</para> |
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[6561a0f] | 233 | <indexterm zone="ch-cross-tools-binutils objdump"> |
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[a9e389d] | 234 | <primary sortas="b-objdump">objdump</primary> |
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| 235 | </indexterm> |
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| 236 | </listitem> |
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| 237 | </varlistentry> |
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| 238 | |
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| 239 | <varlistentry id="ranlib"> |
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| 240 | <term><command>ranlib</command></term> |
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| 241 | <listitem> |
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| 242 | <para>Generates an index of the contents of an archive and stores it |
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| 243 | in the archive; the index lists all of the symbols defined by archive |
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| 244 | members that are relocatable object files</para> |
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[6561a0f] | 245 | <indexterm zone="ch-cross-tools-binutils ranlib"> |
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[a9e389d] | 246 | <primary sortas="b-ranlib">ranlib</primary> |
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| 247 | </indexterm> |
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| 248 | </listitem> |
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| 249 | </varlistentry> |
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| 250 | |
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| 251 | <varlistentry id="readelf"> |
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| 252 | <term><command>readelf</command></term> |
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| 253 | <listitem> |
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| 254 | <para>Displays information about ELF type binaries</para> |
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[6561a0f] | 255 | <indexterm zone="ch-cross-tools-binutils readelf"> |
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[a9e389d] | 256 | <primary sortas="b-readelf">readelf</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="size"> |
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| 262 | <term><command>size</command></term> |
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| 263 | <listitem> |
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| 264 | <para>Lists the section sizes and the total size for the given |
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| 265 | object files</para> |
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[6561a0f] | 266 | <indexterm zone="ch-cross-tools-binutils size"> |
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[a9e389d] | 267 | <primary sortas="b-size">size</primary> |
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| 268 | </indexterm> |
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| 269 | </listitem> |
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| 270 | </varlistentry> |
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| 271 | |
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| 272 | <varlistentry id="strings"> |
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| 273 | <term><command>strings</command></term> |
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| 274 | <listitem> |
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| 275 | <para>Outputs, for each given file, the sequences of printable |
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| 276 | characters that are of at least the specified length (defaulting to |
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| 277 | four); for object files, it prints, by default, only the strings from |
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| 278 | the initializing and loading sections while for other types of files, |
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| 279 | it scans the entire file</para> |
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[6561a0f] | 280 | <indexterm zone="ch-cross-tools-binutils strings"> |
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[a9e389d] | 281 | <primary sortas="b-strings">strings</primary> |
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| 282 | </indexterm> |
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| 283 | </listitem> |
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| 284 | </varlistentry> |
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| 285 | |
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| 286 | <varlistentry id="strip"> |
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| 287 | <term><command>strip</command></term> |
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| 288 | <listitem> |
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| 289 | <para>Discards symbols from object files</para> |
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[6561a0f] | 290 | <indexterm zone="ch-cross-tools-binutils strip"> |
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[a9e389d] | 291 | <primary sortas="b-strip">strip</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="libiberty"> |
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| 297 | <term><filename class="libraryfile">libiberty</filename></term> |
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| 298 | <listitem> |
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| 299 | <para>Contains routines used by various GNU programs, including |
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| 300 | <command>getopt</command>, <command>obstack</command>, |
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| 301 | <command>strerror</command>, <command>strtol</command>, and |
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| 302 | <command>strtoul</command></para> |
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[6561a0f] | 303 | <indexterm zone="ch-cross-tools-binutils libiberty"> |
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[a9e389d] | 304 | <primary sortas="c-libiberty">libiberty</primary> |
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| 305 | </indexterm> |
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| 306 | </listitem> |
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| 307 | </varlistentry> |
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| 308 | |
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| 309 | <varlistentry id="libbfd"> |
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| 310 | <term><filename class="libraryfile">libbfd</filename></term> |
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| 311 | <listitem> |
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| 312 | <para>The Binary File Descriptor library</para> |
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[6561a0f] | 313 | <indexterm zone="ch-cross-tools-binutils libbfd"> |
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[a9e389d] | 314 | <primary sortas="c-libbfd">libbfd</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="libopcodes"> |
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| 320 | <term><filename class="libraryfile">libopcodes</filename></term> |
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| 321 | <listitem> |
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| 322 | <para>A library for dealing with opcodes—the <quote>readable |
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| 323 | text</quote> versions of instructions for the processor; |
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| 324 | it is used for building utilities like |
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| 325 | <command>objdump</command>.</para> |
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[6561a0f] | 326 | <indexterm zone="ch-cross-tools-binutils libopcodes"> |
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[a9e389d] | 327 | <primary sortas="c-libopcodes">libopcodes</primary> |
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| 328 | </indexterm> |
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| 329 | </listitem> |
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| 330 | </varlistentry> |
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| 331 | |
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| 332 | </variablelist> |
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| 333 | |
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| 334 | </sect2> |
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| 335 | |
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| 336 | </sect1> |
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