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(Backtrace): Describe how to get backtrace of all the threads in a

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multi-threaded program.
(Threads): The threadno argument of "thread apply" can be a range of numbers.
This commit is contained in:
Eli Zaretskii 2006-01-21 21:14:10 +00:00
parent 878d91936f
commit 839c27b7cf
2 changed files with 24 additions and 7 deletions
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7
gdb/doc/ChangeLog
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@ -1,3 +1,10 @@
2006-01-21 Eli Zaretskii <eliz@gnu.org>
* gdb.texinfo (Backtrace): Describe how to get backtrace of all
the threads in a multi-threaded program.
(Threads): The threadno argument of "thread apply" can be a range
of numbers.
2006-01-18 Jim Blandy <jimb@redhat.com>
* gdbint.texinfo (Coding): Add entry for -Wno-pointer-sign to list

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gdb/doc/gdb.texinfo
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@ -2424,13 +2424,14 @@ threads.
@kindex thread apply
@cindex apply command to several threads
@item thread apply [@var{threadno}] [@var{all}] @var{args}
The @code{thread apply} command allows you to apply a command to one or
more threads. Specify the numbers of the threads that you want affected
with the command argument @var{threadno}. @var{threadno} is the internal
@value{GDBN} thread number, as shown in the first field of the @samp{info
threads} display. To apply a command to all threads, use
@code{thread apply all} @var{args}.
@item thread apply [@var{threadno}] [@var{all}] @var{command}
The @code{thread apply} command allows you to apply the named
@var{command} to one or more threads. Specify the numbers of the
threads that you want affected with the command argument
@var{threadno}. It can be a single thread number, one of the numbers
shown in the first field of the @samp{info threads} display; or it
could be a range of thread numbers, as in @code{2-4}. To apply a
command to all threads, type @kbd{thread apply all @var{command}}.
@end table
@cindex automatic thread selection
@ -4461,6 +4462,15 @@ Print the values of the local variables also.
The names @code{where} and @code{info stack} (abbreviated @code{info s})
are additional aliases for @code{backtrace}.
@cindex multiple threads, backtrace
In a multi-threaded program, @value{GDBN} by default shows the
backtrace only for the current thread. To display the backtrace for
several or all of the threads, use the command @code{thread apply}
(@pxref{Threads, thread apply}). For example, if you type @kbd{thread
apply all backtrace}, @value{GDBN} will display the backtrace for all
the threads; this is handy when you debug a core dump of a
multi-threaded program.
Each line in the backtrace shows the frame number and the function name.
The program counter value is also shown---unless you use @code{set
print address off}. The backtrace also shows the source file name and