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| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 30 |
2 files changed, 4 insertions, 30 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index faa0d50..023d44b 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2013-04-15 Tom Tromey <tromey@redhat.com> + + * gdb.texinfo (Set Catchpoints): Remove obsolete text. + 2013-04-12 Jan Kratochvil <jan.kratochvil@redhat.com> Eli Zaretskii <eliz@gnu.org> diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 01e20d6..f802116 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -4309,36 +4309,6 @@ You cannot raise an exception interactively. You cannot install an exception handler interactively. @end itemize -@cindex raise exceptions -Sometimes @code{catch} is not the best way to debug exception handling: -if you need to know exactly where an exception is raised, it is better to -stop @emph{before} the exception handler is called, since that way you -can see the stack before any unwinding takes place. If you set a -breakpoint in an exception handler instead, it may not be easy to find -out where the exception was raised. - -To stop just before an exception handler is called, you need some -knowledge of the implementation. In the case of @sc{gnu} C@t{++}, exceptions are -raised by calling a library function named @code{__raise_exception} -which has the following ANSI C interface: - -@smallexample - /* @var{addr} is where the exception identifier is stored. - @var{id} is the exception identifier. */ - void __raise_exception (void **addr, void *id); -@end smallexample - -@noindent -To make the debugger catch all exceptions before any stack -unwinding takes place, set a breakpoint on @code{__raise_exception} -(@pxref{Breakpoints, ,Breakpoints; Watchpoints; and Exceptions}). - -With a conditional breakpoint (@pxref{Conditions, ,Break Conditions}) -that depends on the value of @var{id}, you can stop your program when -a specific exception is raised. You can use multiple conditional -breakpoints to stop your program when any of a number of exceptions are -raised. - @node Delete Breaks @subsection Deleting Breakpoints |