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) 1988-2023 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-13.1 2023-02-19 GDB-ADD-INDEX(1)
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