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