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GDB: The GNU Project Debugger
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GDB: The GNU Project Debugger
What is GDB?
GDB, the GNU Project debugger, allows you to see what is going on
`inside' another program while it executes -- or what another program
was doing at the moment it crashed.
GDB can do four main kinds of things (plus other things in support
of these) to help you catch bugs in the act:
- Start your program, specifying anything that might affect its behavior.
- Make your program stop on specified conditions.
- Examine what has happened, when your program has stopped.
- Change things in your program, so you can experiment with
correcting the effects of one bug and go on to learn about another.
The program being debugged can be written in Ada, C, C++, Objective-C,
Pascal (and many other languages). Those programs might be executing
on the same machine as GDB (native) or on another machine (remote). GDB
can run on most popular UNIX and Microsoft Windows variants.
GDB version 7.4
Version 7.4 of GDB, the GNU
Debugger, is now available for download. See the ANNOUNCEMENT for details
including changes in this release.
An errata list (PROBLEMS) and documentation
are also available.
News
- January 24th, 2012: GDB 7.4 Released!
-
The latest version of GDB, version 7.4, is available for download.
Changes in this release include:
- Many Python scripting improvements
- Better support for ambiguous linespecs
- Masked watchpoints
- Tracepoint support improvements
- Support for Texas Instruments TMS320C6x (tic6x-*-*)
- A Renesas RL78 simulator (rl78-*-elf)
- Some minor Remote protocol extensions and GDB/MI changes
See the NEWS file for a more complete and detailed list of what this
release includes.
Note that the gdbtui binary is deprecated, starting with GDB 7.5.
Use "gdb -tui" instead.
- January 9, 2012: Extensibility support using Guile
-
GDB ought to support extensibility using Guile, the GNU extensibility
package (an implementation of Scheme). We are looking for people to
write the code to interface the two. Please write to gdb-patches AT
sourceware DOT org if you are interested.
- December 13, 2011: GDB 7.4 branch created
-
The GDB 7.4 branch (gdb_7_4-branch) has been created.
To check out a copy of the branch use:
cvs -d :pserver:anoncvs@sourceware.org:/cvs/src co -r gdb_7_4-branch gdb
- September 30, 2011: Release Mistakes in GDB Versions 6.0 - 7.3
-
A mistake has been detected in the release tar files for all
GDB releases from version 6.0 to version 7.3 (included). The mistake
has been corrected, and the FSF issued the following announcements:
- September 4, 2011: GDB 7.3.1 Released!
-
The latest version of GDB, version 7.3.1, is available for download.
This is a minor corrective release over GDB 7.3 mostly bringing:
- Build fixes for NetBSD / OpenBSD targets
- ISBN and Edition number update of the GDB User's Manual
- Nov 28, 2006: Reversible Debugging
-
The GDB maintainers are looking for contributors interested
in reversible debugging.
Late breaking information, such as recently added features, can be
found in the NEWS file in the gdb source tree. Old announcements are in the
news archive.
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Please send FSF & GNU inquiries & questions to gnu@gnu.org. There are also other ways to
contact the FSF.
This page is maintained by the GDB
developers.
Copyright Free Software Foundation, Inc., 51 Franklin St - Fifth
Floor, Boston, MA 02110-1301 USA.
Verbatim copying and distribution of this entire article is
permitted in any medium, provided this notice is preserved.
Last modified 2012-01-24.