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Diffstat (limited to 'chapter05/toolchaintechnotes.xml')
| -rw-r--r-- | chapter05/toolchaintechnotes.xml | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/chapter05/toolchaintechnotes.xml b/chapter05/toolchaintechnotes.xml index cc1f7242e..f6adefb61 100644 --- a/chapter05/toolchaintechnotes.xml +++ b/chapter05/toolchaintechnotes.xml @@ -27,24 +27,21 @@ <important> <para>Before continuing, be aware of the name of the working platform, - often referred to as the target triplet. Many times, the target - triplet will probably be <emphasis>i686-pc-linux-gnu</emphasis>. A - simple way to determine the name of the target triplet is to run the - <command>config.guess</command> script that comes with the source for - many packages. Unpack the Binutils sources and run the script: - <userinput>./config.guess</userinput> and note the output.</para> + often referred to as the target triplet. A simple way to determine the + name of the target triplet is to run the <command>config.guess</command> + script that comes with the source for many packages. Unpack the Binutils + sources and run the script: <userinput>./config.guess</userinput> and note + the output. For example, for a modern 32-bit Intel processor the + output will likely be <emphasis>i686-pc-linux-gnu</emphasis>.</para> <para>Also be aware of the name of the platform's dynamic linker, often referred to as the dynamic loader (not to be confused with the standard linker <command>ld</command> that is part of Binutils). The dynamic linker provided by Glibc finds and loads the shared libraries needed by a program, prepares the program to run, and then runs it. The name of the dynamic - linker will usually be <filename class="libraryfile">ld-linux.so.2</filename>. - On platforms that are less prevalent, the name might be <filename - class="libraryfile">ld.so.1</filename>, and newer 64 bit platforms might - be named something else entirely. The name of the platform's dynamic linker - can be determined by looking in the <filename class="directory">/lib</filename> - directory on the host system. A sure-fire way to determine the name is to + linker for a 32-bit Intel machine will be + <filename class="libraryfile">ld-linux.so.2</filename>. + A sure-fire way to determine the name of the dynamic linker is to inspect a random binary from the host system by running: <userinput>readelf -l <name of binary> | grep interpreter</userinput> and noting the output. The authoritative reference covering all platforms |