GDB-ADD-INDEX(1) GNU Development Tools GDB-ADD-INDEX(1)
NAME
gdb-add-index - Add index files to speed up GDB
SYNOPSIS
gdb-add-index filename
DESCRIPTION
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". The index file can only be produced
on systems which use ELF binaries and DWARF debug information (i.e., sections named
".debug_*").
gdb-add-index uses GDB and objdump found in the PATH environment variable. If you want to
use different versions of these programs, you can specify them through the GDB and OBJDUMP
environment variables.
See more in the GDB manual in node "Index Files" -- shell command "info -f gdb -n "Index
Files"".
OPTIONS
SEE ALSO
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
info gdb
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
Copyright (c) 1988-2022 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
freedom."
gdb- 2024-06-13 GDB-ADD-INDEX(1)
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