diff options
| -rw-r--r-- | gdb/breakpoint.c | 1 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/py-watchpoint.c | 26 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/py-watchpoint.exp | 46 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.python/py-watchpoint.py | 30 |
4 files changed, 103 insertions, 0 deletions
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index dcb00bf..fdb184a 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -1844,6 +1844,7 @@ watchpoint_del_at_next_stop (struct watchpoint *w) w->related_breakpoint = w; } w->disposition = disp_del_at_next_stop; + disable_breakpoint (w); } /* Extract a bitfield value from value VAL using the bit parameters contained in diff --git a/gdb/testsuite/gdb.python/py-watchpoint.c b/gdb/testsuite/gdb.python/py-watchpoint.c new file mode 100644 index 0000000..53712287 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-watchpoint.c @@ -0,0 +1,26 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2022-2023 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/>. */ + +#include <stdio.h> + +int +main (void) +{ + volatile int i = -1; + for (i = 0; i < 3; i++); /* main for */ + return 0; +} diff --git a/gdb/testsuite/gdb.python/py-watchpoint.exp b/gdb/testsuite/gdb.python/py-watchpoint.exp new file mode 100644 index 0000000..9a6ef44 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-watchpoint.exp @@ -0,0 +1,46 @@ +# Copyright (C) 2022-2023 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/>. + +# Check that Watchpoints are deleted after use. + +load_lib gdb-python.exp + +standard_testfile + +if {[prepare_for_testing "failed to prepare" $testfile $srcfile]} { + return -1 +} + +require allow_python_tests + +if ![runto_main] then { + return +} + +# For remote host testing +set pyfile [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py] + +gdb_test_no_output "set can-use-hw-watchpoints 0" "don't use hardware watchpoints" +set for_line_no [gdb_get_line_number "main for"] +gdb_test "break $for_line_no" ".*" "set breakpoint before loop" +gdb_test "continue" ".*" "run until reaching loop" +gdb_test "clear" ".*" "delete the breakpoint before loop" +gdb_test "python print(len(gdb.breakpoints()))" "1" "check default BP count" +gdb_test "source $pyfile" ".*Python script imported.*" \ + "import python scripts" +gdb_test "python print(len(gdb.breakpoints()))" "2" "check modified BP count" +gdb_test "continue" ".*" "run until program stops" +gdb_test "python print(bpt.n)" "5" "check watchpoint hits" +gdb_test "python print(len(gdb.breakpoints()))" "1" "check BP count" diff --git a/gdb/testsuite/gdb.python/py-watchpoint.py b/gdb/testsuite/gdb.python/py-watchpoint.py new file mode 100644 index 0000000..e821222 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-watchpoint.py @@ -0,0 +1,30 @@ +# Copyright (C) 2022-2023 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/>. + + +class MyBreakpoint(gdb.Breakpoint): + def __init__(self): + super().__init__("i", gdb.BP_WATCHPOINT) + self.n = 0 + + def stop(self): + self.n += 1 + print("Watchpoint Hit:", self.n, flush=True) + return False + + +bpt = MyBreakpoint() + +print("Python script imported") |