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Yao Qi 4081c0f122 Simplify gdb.threads/wp-replication.exp on counting HW watchpoints 
Nowadays, test gdb.threads/wp-replication.exp uses a while loop to
repeatedly insert HW watchpoint, resume and check no error message
coming out, in order to count HW watchpoints  There are some
drawbacks in this way,

 - the loop could be endless.  I think this is use to making trouble
   to S/390, since we had such comment

      # Some targets (like S/390) behave as though supporting
      # unlimited hardware watchpoints.  In this case we just take a
      # safe exit out of the loop.

   I hit this today too because a GDB internal error is triggered
   on "continue" in the loop, and $done is 0 invariantly, so the loop
   can't end.
 - the code counting hardware watchpoint is too complicated.  We can
   use "set breakpoint always-inserted on" to get the result of inserting
   HW watchpoint without resuming the inferior.  In this way,
   watch_count_done and empty_cycle in c file is no longer needed.

In this patch, I change to use "set breakpoint always-inserted on" trick,
and only iterate $NR_THREADS times, to count the HW watchpoint.  In this
way, the loop can't be endless, and GDB doesn't need to resume the inferior.

gdb/testsuite:

2015-10-30  Yao Qi  <yao.qi@linaro.org>

	* gdb.threads/wp-replication.c (watch_count_done): Remove.
	(empty_cycle): Remove.
	(main): Don't call empty_cycle.  Don't use watch_count_done.
	* gdb.threads/wp-replication.exp: Don't set breakpoint on
	empty_cycle.  Rewrite the code counting HW watchpoints.
2015-10-30 15:54:58 +00:00
..
attach-into-signal.c
Update year range in copyright notice of all files owned by the GDB project.
2015-01-01 13:32:14 +04:00
attach-into-signal.exp
testsuite: tcl exec& -> 'kill -9 $pid' is racy (attach-many-short-lived-thread.exp races and others)
2015-07-31 20:06:24 +01:00
attach-many-short-lived-threads.c
Improve gdb.threads/attach-many-short-lived-threads.exp timeout handling
2015-02-06 13:24:32 +01:00
attach-many-short-lived-threads.exp
testsuite: tcl exec& -> 'kill -9 $pid' is racy (attach-many-short-lived-thread.exp races and others)
2015-07-31 20:06:24 +01:00
attach-stopped.c
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2015-01-01 13:32:14 +04:00
attach-stopped.exp
testsuite: tcl exec& -> 'kill -9 $pid' is racy (attach-many-short-lived-thread.exp races and others)
2015-07-31 20:06:24 +01:00
bp_in_thread.c
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2015-01-01 13:32:14 +04:00
bp_in_thread.exp
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2015-01-01 13:32:14 +04:00
break-while-running.c
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2015-01-01 13:32:14 +04:00
break-while-running.exp
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2015-01-01 13:32:14 +04:00
clone-new-thread-event.c
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2015-01-01 13:32:14 +04:00
clone-new-thread-event.exp
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2015-01-01 13:32:14 +04:00
clone-thread_db.c
gdb.threads/clone-thread_db.c: Add missing includes and fix pthread_join call
2015-03-04 09:13:49 +00:00
clone-thread_db.exp
PR18006: internal error if threaded program calls clone(CLONE_VM)
2015-02-20 19:00:21 +00:00
continue-pending-after-query.c
Linux: make target_is_async_p return false when async is off
2015-01-23 11:12:39 +00:00
continue-pending-after-query.exp
Linux: make target_is_async_p return false when async is off
2015-01-23 11:12:39 +00:00
continue-pending-status.c
native/Linux: internal error if resume is short-circuited
2015-03-19 12:26:49 +00:00
continue-pending-status.exp
gdbserver/Linux: unbreak thread event randomization
2015-03-19 12:38:05 +00:00
corethreads.c
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2015-01-01 13:32:14 +04:00
corethreads.exp
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2015-01-01 13:32:14 +04:00
create-fail.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
create-fail.exp
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2015-01-01 13:32:14 +04:00
current-lwp-dead.c
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2015-01-01 13:32:14 +04:00
current-lwp-dead.exp
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2015-01-01 13:32:14 +04:00
dlopen-libpthread-lib.c
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2015-01-01 13:32:14 +04:00
dlopen-libpthread.c
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2015-01-01 13:32:14 +04:00
dlopen-libpthread.exp
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2015-01-01 13:32:14 +04:00
execl1.c
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2015-01-01 13:32:14 +04:00
execl.c
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2015-01-01 13:32:14 +04:00
execl.exp
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2015-01-01 13:32:14 +04:00
fork-child-threads.c
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2015-01-01 13:32:14 +04:00
fork-child-threads.exp
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2015-01-01 13:32:14 +04:00
fork-plus-threads.c
PR threads/18600: Threads left stopped after fork+thread spawn
2015-07-30 18:50:29 +01:00
fork-plus-threads.exp
remote follow fork and spurious child stops in non-stop mode
2015-07-30 18:52:53 +01:00
fork-thread-pending.c
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2015-01-01 13:32:14 +04:00
fork-thread-pending.exp
Linux: Skip thread_db thread event reporting if PTRACE_EVENT_CLONE is supported
2015-01-09 11:42:57 +00:00
forking-threads-plus-breakpoint.c
Revert "test slowdown"
2015-08-06 12:45:45 +01:00
forking-threads-plus-breakpoint.exp
Revert "test slowdown"
2015-08-06 12:45:45 +01:00
gcore-stale-thread.c
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2015-01-01 13:32:14 +04:00
gcore-stale-thread.exp
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2015-01-01 13:32:14 +04:00
gcore-thread.exp
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2015-01-01 13:32:14 +04:00
hand-call-in-threads.c
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2015-01-01 13:32:14 +04:00
hand-call-in-threads.exp
Improve hand-call-in-threads.exp failure handling.
2015-09-08 19:49:04 -07:00
hand-call-new-thread.c
PR threads/18127 - threads spawned by infcall end up stuck in "running" state
2015-06-29 16:07:57 +01:00
hand-call-new-thread.exp
PR threads/18127 - threads spawned by infcall end up stuck in "running" state
2015-06-29 16:07:57 +01:00
ia64-sigill.c
gdb.threads/{siginfo-thread.c,watchthreads-reorder.c,ia64-sigill.c} races with GDB
2015-01-09 13:58:29 +00:00
ia64-sigill.exp
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2015-01-01 13:32:14 +04:00
info-threads-cur-sal-2.c
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2015-01-01 13:32:14 +04:00
info-threads-cur-sal.c
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2015-01-01 13:32:14 +04:00
info-threads-cur-sal.exp
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2015-01-01 13:32:14 +04:00
interrupted-hand-call.c
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2015-01-01 13:32:14 +04:00
interrupted-hand-call.exp
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2015-01-01 13:32:14 +04:00
kill.c
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2015-01-01 13:32:14 +04:00
kill.exp
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2015-01-01 13:32:14 +04:00
killed.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
killed.exp
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2015-01-01 13:32:14 +04:00
leader-exit.c
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2015-01-01 13:32:14 +04:00
leader-exit.exp
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2015-01-01 13:32:14 +04:00
linux-dp.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
linux-dp.exp
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2015-01-01 13:32:14 +04:00
local-watch-wrong-thread.c
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2015-01-01 13:32:14 +04:00
local-watch-wrong-thread.exp
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2015-01-01 13:32:14 +04:00
Makefile.in
…
manythreads.c
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2015-01-01 13:32:14 +04:00
manythreads.exp
gdb.threads/manythreads.exp: can't read "test": no such variable
2015-04-01 15:30:13 +01:00
multi-create-ns-info-thr.exp
gdb.threads/multi-create-ns-info-thr.exp and native-extended-remote board
2015-02-21 12:03:23 +00:00
multi-create.c
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2015-01-01 13:32:14 +04:00
multi-create.exp
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2015-01-01 13:32:14 +04:00
multiple-step-overs.c
Add test for PR18214 and PR18216 - multiple step-overs with queued signals
2015-04-08 19:59:03 +01:00
multiple-step-overs.exp
gdb/18216: displaced step+deliver signal, a thread needs step-over, crash
2015-04-10 10:36:23 +01:00
next-bp-other-thread.c
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2015-01-01 13:32:14 +04:00
next-bp-other-thread.exp
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2015-01-01 13:32:14 +04:00
next-while-other-thread-longjmps.c
stepping is disturbed by setjmp/longjmp | try/catch in other threads
2015-08-05 20:01:42 +01:00
next-while-other-thread-longjmps.exp
stepping is disturbed by setjmp/longjmp | try/catch in other threads
2015-08-05 20:01:42 +01:00
no-unwaited-for-left.c
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2015-01-01 13:32:14 +04:00
no-unwaited-for-left.exp
kfail two tests in no-unwaited-for-left.exp for remote target
2015-04-02 13:51:31 +01:00
non-ldr-exc-1.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
non-ldr-exc-1.exp
Extended-remote exec test
2015-09-11 11:12:46 -07:00
non-ldr-exc-2.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
non-ldr-exc-2.exp
Extended-remote exec test
2015-09-11 11:12:46 -07:00
non-ldr-exc-3.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
non-ldr-exc-3.exp
Fix gdb.threads/non-ldr-exc-3.exp race
2015-09-15 17:01:59 +01:00
non-ldr-exc-4.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
non-ldr-exc-4.exp
Extended-remote exec test
2015-09-11 11:12:46 -07:00
non-ldr-exit.c
PR gdb/18717: internal error if non-leader thread exits process
2015-07-24 17:49:17 +01:00
non-ldr-exit.exp
PR gdb/18717: internal error if non-leader thread exits process
2015-07-24 17:49:17 +01:00
non-stop-fair-events.c
non-stop-fair-events.exp slower on software single-step && !displ-step targets
2015-09-16 15:51:36 +01:00
non-stop-fair-events.exp
non-stop-fair-events.exp slower on software single-step && !displ-step targets
2015-09-16 15:51:36 +01:00
pending-step.c
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2015-01-01 13:32:14 +04:00
pending-step.exp
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2015-01-01 13:32:14 +04:00
print-threads.c
…
print-threads.exp
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2015-01-01 13:32:14 +04:00
process-dies-while-handling-bp.c
Test for PR18749: problems if whole process dies while (ptrace-) stopped
2015-08-06 12:33:20 +01:00
process-dies-while-handling-bp.exp
Test for PR18749: problems if whole process dies while (ptrace-) stopped
2015-08-06 12:33:20 +01:00
pthread_cond_wait.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
pthread_cond_wait.exp
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2015-01-01 13:32:14 +04:00
pthreads.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
pthreads.exp
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2015-01-01 13:32:14 +04:00
queue-signal.c
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2015-01-01 13:32:14 +04:00
queue-signal.exp
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2015-01-01 13:32:14 +04:00
reconnect-signal.c
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2015-01-01 13:32:14 +04:00
reconnect-signal.exp
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2015-01-01 13:32:14 +04:00
schedlock.c
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2015-01-01 13:32:14 +04:00
schedlock.exp
Make "set scheduler-locking step" depend on user intention, only
2015-03-24 17:50:31 +00:00
siginfo-threads.c
gdb.threads/{siginfo-thread.c,watchthreads-reorder.c,ia64-sigill.c} races with GDB
2015-01-09 13:58:29 +00:00
siginfo-threads.exp
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2015-01-01 13:32:14 +04:00
signal-command-handle-nopass.c
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2015-01-01 13:32:14 +04:00
signal-command-handle-nopass.exp
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2015-01-01 13:32:14 +04:00
signal-command-multiple-signals-pending.c
Linux: Skip thread_db thread event reporting if PTRACE_EVENT_CLONE is supported
2015-01-09 11:42:57 +00:00
signal-command-multiple-signals-pending.exp
Linux: Skip thread_db thread event reporting if PTRACE_EVENT_CLONE is supported
2015-01-09 11:42:57 +00:00
signal-delivered-right-thread.c
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2015-01-01 13:32:14 +04:00
signal-delivered-right-thread.exp
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2015-01-01 13:32:14 +04:00
signal-sigtrap.c
Add "signal SIGTRAP" test
2015-02-10 19:30:55 +00:00
signal-sigtrap.exp
Add "signal SIGTRAP" test
2015-02-10 19:30:55 +00:00
signal-while-stepping-over-bp-other-thread.c
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2015-01-01 13:32:14 +04:00
signal-while-stepping-over-bp-other-thread.exp
Fix signal-while-stepping-over-bp-other-thread.exp on targets always in non-stop
2015-08-07 17:26:20 +01:00
sigstep-threads.c
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2015-01-01 13:32:14 +04:00
sigstep-threads.exp
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2015-01-01 13:32:14 +04:00
sigthread.c
…
sigthread.exp
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2015-01-01 13:32:14 +04:00
staticthreads.c
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2015-01-01 13:32:14 +04:00
staticthreads.exp
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2015-01-01 13:32:14 +04:00
step-bg-decr-pc-switch-thread.c
Fix adjust_pc_after_break, remove still current thread check
2015-02-11 09:45:41 +00:00
step-bg-decr-pc-switch-thread.exp
Fix adjust_pc_after_break, remove still current thread check
2015-02-11 09:45:41 +00:00
step-over-lands-on-breakpoint.c
Fix step-over-{trips-on-watchpoint|lands-on-breakpoint}.exp race
2015-08-07 17:26:21 +01:00
step-over-lands-on-breakpoint.exp
Fix step-over-{trips-on-watchpoint|lands-on-breakpoint}.exp race
2015-08-07 17:26:21 +01:00
step-over-trips-on-watchpoint.c
Fix step-over-{trips-on-watchpoint|lands-on-breakpoint}.exp race
2015-08-07 17:26:21 +01:00
step-over-trips-on-watchpoint.exp
Fix step-over-{trips-on-watchpoint|lands-on-breakpoint}.exp race
2015-08-07 17:26:21 +01:00
stepi-random-signal.c
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2015-01-01 13:32:14 +04:00
stepi-random-signal.exp
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2015-01-01 13:32:14 +04:00
switch-threads.c
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2015-01-01 13:32:14 +04:00
switch-threads.exp
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2015-01-01 13:32:14 +04:00
thread_check.c
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2015-01-01 13:32:14 +04:00
thread_check.exp
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2015-01-01 13:32:14 +04:00
thread_events.c
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2015-01-01 13:32:14 +04:00
thread_events.exp
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2015-01-01 13:32:14 +04:00
thread-execl.c
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2015-01-01 13:32:14 +04:00
thread-execl.exp
follow-exec: delete all non-execing threads
2015-03-03 01:25:17 +00:00
thread-find.exp
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2015-01-01 13:32:14 +04:00
thread-specific-bp.c
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2015-01-01 13:32:14 +04:00
thread-specific-bp.exp
Fix gdb.threads/thread-specific-bp.exp race
2015-03-04 17:23:55 +00:00
thread-specific.c
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2015-01-01 13:32:14 +04:00
thread-specific.exp
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2015-01-01 13:32:14 +04:00
thread-unwindonsignal.exp
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2015-01-01 13:32:14 +04:00
threadapply.c
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2015-01-01 13:32:14 +04:00
threadapply.exp
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2015-01-01 13:32:14 +04:00
threxit-hop-specific.c
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threxit-hop-specific.exp
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2015-01-01 13:32:14 +04:00
tid-reuse.c
Crash on thread id wrap around
2015-04-01 13:38:06 +01:00
tid-reuse.exp
Crash on thread id wrap around
2015-04-01 13:38:06 +01:00
tls2.c
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2015-01-01 13:32:14 +04:00
tls-main.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
tls-nodebug.c
…
tls-nodebug.exp
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2015-01-01 13:32:14 +04:00
tls-shared.c
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tls-shared.exp
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2015-01-01 13:32:14 +04:00
tls-so_extern_main.c
Fix PR/18564 - regression in showing __thread so extern variable
2015-09-15 21:12:39 +02:00
tls-so_extern.c
Fix PR/18564 - regression in showing __thread so extern variable
2015-09-15 21:12:39 +02:00
tls-so_extern.exp
Fix PR/18564 - regression in showing __thread so extern variable
2015-09-15 21:12:39 +02:00
tls-var-main.c
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2015-01-01 13:32:14 +04:00
tls-var.c
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tls-var.exp
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2015-01-01 13:32:14 +04:00
tls.c
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tls.exp
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2015-01-01 13:32:14 +04:00
watchpoint-fork-child.c
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2015-01-01 13:32:14 +04:00
watchpoint-fork-mt.c
Remove testsuite compile errors with GCC5.
2015-01-25 18:50:56 +01:00
watchpoint-fork-parent.c
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2015-01-01 13:32:14 +04:00
watchpoint-fork-st.c
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watchpoint-fork.exp
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2015-01-01 13:32:14 +04:00
watchpoint-fork.h
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2015-01-01 13:32:14 +04:00
watchthreads2.c
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2015-01-01 13:32:14 +04:00
watchthreads2.exp
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2015-01-01 13:32:14 +04:00
watchthreads-reorder.c
gdb.threads/{siginfo-thread.c,watchthreads-reorder.c,ia64-sigill.c} races with GDB
2015-01-09 13:58:29 +00:00
watchthreads-reorder.exp
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2015-01-01 13:32:14 +04:00
watchthreads.c
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2015-01-01 13:32:14 +04:00
watchthreads.exp
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2015-01-01 13:32:14 +04:00
wp-replication.c
Simplify gdb.threads/wp-replication.exp on counting HW watchpoints
2015-10-30 15:54:58 +00:00
wp-replication.exp
Simplify gdb.threads/wp-replication.exp on counting HW watchpoints
2015-10-30 15:54:58 +00:00