| 1 | <sect2><title> </title><para> </para></sect2>
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| 2 |
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| 3 | <sect2><title>Descriptions</title>
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| 4 |
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| 5 | <para>(Last checked against version &binutils-contversion;.)</para>
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| 6 |
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| 7 | <sect3><title>Program file descriptions</title>
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| 8 |
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| 9 | <para><command>addr2line</command> translates program addresses to file
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| 10 | names and line numbers. Given an address and the name of an executable, it
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| 11 | uses the debugging information in the executable to figure out which source
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| 12 | file and line number are associated with the address.</para>
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| 13 |
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| 14 | <para><command>ar</command> creates, modifies, and extracts from archives. An archive
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| 15 | is a single file holding a collection of other files in a structure that makes
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| 16 | it possible to retrieve the original individual files (called members of
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| 17 | the archive).</para>
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| 18 |
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| 19 | <para><command>as</command> is an assembler. It assembles the output of
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| 20 | gcc into object files.</para>
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| 21 |
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| 22 | <para><command>gprof</command> displays call graph profile data.</para>
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| 23 |
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| 24 | <para><command>ld</command> is a linker. It combines a number of object
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| 25 | and archive files into a single file, relocating their data and tying up symbol
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| 26 | references.</para>
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| 27 |
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| 28 | <para><command>nm</command> lists the symbols occurring in a given object file.</para>
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| 29 |
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| 30 | <para><command>objcopy</command> is used to translate one type of object
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| 31 | file into another.</para>
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| 32 |
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| 33 | <para><command>objdump</command> displays information about the given
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| 34 | object file, with options controlling what particular information to display.
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| 35 | The information shown is mostly only useful to programmers who are working on
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| 36 | the compilation tools.</para>
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| 37 |
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| 38 | <para><command>ranlib</command> generates an index of the contents of an
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| 39 | archive, and stores it in the archive. The index lists all the symbols defined
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| 40 | by archive members that are relocatable object files.</para>
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| 41 |
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| 42 | <para><command>readelf</command> displays information about elf type binaries.</para>
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| 43 |
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| 44 | <para><command>size</command> lists the section sizes -- and the grand
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| 45 | total -- for the given object files.</para>
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| 46 |
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| 47 | <para><command>strings</command> outputs for each file given the sequences
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| 48 | of printable characters that are of at least the specified length (defaulting to 4)
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| 49 | For object files it prints by default only the strings from the initializing
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| 50 | and loading sections. For other types of files it scans the whole file.</para>
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| 51 |
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| 52 | <para><command>strip</command> discards symbols from object files.</para>
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| 53 |
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| 54 | </sect3>
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| 55 |
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| 56 | <sect3><title>Library file descriptions</title>
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| 57 |
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| 58 | <para><command>libbfd</command> is the Binary File Descriptor library.</para>
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| 59 |
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| 60 | <para><command>libopcodes</command> is a library for dealing with opcodes.
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| 61 | It is used for building utilities like objdump. Opcodes are the "readable text"
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| 62 | versions of instructions for the processor.</para>
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| 63 |
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| 64 | </sect3>
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| 65 |
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| 66 | </sect2>
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| 67 |
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