[Bug breakpoints/15180] New: Agent style dprintf does not respectconditions

["marc.khouzam at ericsson dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15180

             Bug #: 15180
           Summary: Agent style dprintf does not respect conditions
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: breakpoints
        AssignedTo: unassigned@sourceware.org
        ReportedBy: marc.khouzam@ericsson.com
    Classification: Unclassified


When I set a condition on an "agent"-style dprintf, the condition does not seem
to be respected, and I get extra printouts.


> gdb.7.6 loopfirst 
GNU gdb (GDB) 7.5.50.20130223-cvs
(gdb) target extended-remote :9999
Remote debugging using :9999
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
0x00110850 in ?? () from /lib/ld-linux.so.2
(gdb) set dprintf-style agent
(gdb) l
1       #include <unistd.h>
2       #include <stdio.h>
3
4       int main() {
5           for (int i=0;i<20;i++) {
6               printf("hello");
7               printf("friend\n");
8               printf("home\n");
9               sleep(1);
10          }
(gdb) dprintf 8,"i is %d\n",i
Dprintf 1 at 0x804855f: file loopfirst.cc, line 8.
(gdb) cond 1 i>5
(gdb) info b
Num     Type           Disp Enb Address    What
1       dprintf        keep y   0x0804855f in main() at loopfirst.cc:8
        stop only if i>5 (host evals)
        agent-printf "i is %d\n",i
(gdb) c
Continuing.
[Inferior 1 (process 8361) exited normally]


I would expect to see the "i is %d" printout only once i hits 6, but this is
what I see on the gdbserver window.  Notice that the dprintf prints from i == 0
but also the extra printouts "Found breakpoint condition"


Process /home/lmckhou/loopfirst created; pid = 8361
Listening on port 9999
Remote debugging from host 127.0.0.1
Found breakpoint condition.
Found breakpoint condition.
Found breakpoint condition.
hellofriend
i is 0
home
hellofriend
i is 1
home
hellofriend
i is 2
home
hellofriend
i is 3
home
hellofriend
i is 4
home
hellofriend
i is 5
home
hellofriend
i is 6
home
hellofriend
i is 7

[and so on]

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