binutils-gdb/gdb/testsuite/gdb.base/watchpoint-hw-hit-once.c

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/* This testcase is part of GDB, the GNU debugger.
Copyright 2009-2017 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 breakpoint 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;
}