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GDB-ADD-INDEX(1) GNU Development Tools GDB-ADD-INDEX(1)
gdb-add-index - Add index files to speed up GDB
When GDB finds a symbol file, it scans the symbols in the file in order to construct an
internal symbol table. This lets most GDB operations work quickly--at the cost of a delay
early on. For large programs, this delay can be quite lengthy, so GDB provides a way to
build an index, which speeds up startup.
To determine whether a file contains such an index, use the command readelf -S filename:
the index is stored in a section named ".gdb_index". Note that the index is never
generated for files that do not contain DWARF debug information (sections named
See more in the GDB manual in node "Index Files" -- shell command "info -f gdb -n 'Index
The full documentation for GDB is maintained as a Texinfo manual. If the "info" and "gdb"
programs and GDB's Texinfo documentation are properly installed at your site, the command
should give you access to the complete manual.
Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H.
Pesch, July 1991.
Copyright (c) 1988-2013 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the terms of
the GNU Free Documentation License, Version 1.3 or any later version published by the Free
Software Foundation; with the Invariant Sections being "Free Software" and "Free Software
Needs Free Documentation", with the Front-Cover Texts being "A GNU Manual," and with the
Back-Cover Texts as in (a) below.
(a) The FSF's Back-Cover Text is: "You are free to copy and modify this GNU Manual.
Buying copies from GNU Press supports the FSF in developing GNU and promoting software
gdb-Red Hat Enterprise Linux 7.6.1-51.el7 2014-06-10 GDB-ADD-INDEX(1)
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