a79d3c27d1
Fix repeated rwatch output. * amd64-linux-nat.c (amd64_linux_dr_set, amd64_linux_dr_set_control) (amd64_linux_dr_set_addr, amd64_linux_dr_reset_addr) (amd64_linux_dr_get_status): New comments. (amd64_linux_dr_unset_status): New function. (_initialize_amd64_linux_nat): Install it. * i386-linux-nat.c (i386_linux_dr_get, i386_linux_dr_set) (i386_linux_dr_set_control, i386_linux_dr_set_addr) (i386_linux_dr_reset_addr, i386_linux_dr_get_status): New comments. (i386_linux_dr_unset_status): New function. (_initialize_i386_linux_nat): Install it. * i386-nat.c (I386_DR_WATCH_MASK): New macro. (I386_DR_WATCH_HIT): Use I386_DR_WATCH_MASK. (i386_insert_aligned_watchpoint): Call i386_dr_low.unset_status. * i386-nat.h (struct i386_dr_low_type): Extend comments for set_control, set_addr, reset_addr and get_status. New unset_status. * breakpoint.c (update_watchpoint): Extend the comment. gdb/testsuite/ * gdb.base/watchpoint-hw-hit-once.exp, gdb.base/watchpoint-hw-hit-once.c: New.
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2009 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
static int watchee;
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
volatile int dummy;
|
|
|
|
/* Stub lines are present as no breakpoints/watchpoint gets hit if current PC
|
|
already stays on the line PC while entering "step"/"continue". */
|
|
|
|
dummy = 0; /* Stub to catch WATCHEE access after runto_main. */
|
|
dummy = watchee;
|
|
dummy = 1; /* Stub to catch break-at-exit after WATCHEE has been hit. */
|
|
dummy = 2; /* break-at-exit */
|
|
|
|
return 0;
|
|
}
|