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Full Discussion: GDB and GCC union
Top Forums Programming GDB and GCC union Post 302504769 by Corona688 on Tuesday 15th of March 2011 11:36:57 AM
Old 03-15-2011
If you build your program with -ggdb that'll include extra debugging information gdb can use. I don't know any way to make this debugging information available to the program itself at runtime -- would you want a program that could only be built with gdb, and only built for debugging? Talk about unportable.

Even if you end up using gdb for something else I don't see the harm in using the __FILE__, etc. C macros to do what they were designed to do.
 

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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". Note that the index is never generated for files that do not contain DWARF debug information (sections named ".debug_*"). 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) 1988-2013 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 freedom." gdb-Red Hat Enterprise Linux 7.6.1-51.el7 2014-06-10 GDB-ADD-INDEX(1)
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