1 # Copyright 2007-2024 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # The allow_hw_watchpoint_tests checks if watchpoints are supported by the
17 # processor. On PowerPC, the check runs a small test program under gdb
18 # to determine if the Power processor supports HW watchpoints. The check
19 # must be done before starting the test so as to not disrupt the execution
22 set allow_hw_watchpoint_tests_p [allow_hw_watchpoint_tests]
25 # test running programs
29 require allow_shlib_tests
31 set testfile "watchpoint-solib"
32 set libfile "watchpoint-solib-shr"
33 set libname "${libfile}.sl"
34 set libsrcfile ${libfile}.c
35 set srcfile $srcdir/$subdir/$testfile.c
36 set binfile [standard_output_file $testfile]
37 set shlibdir [standard_output_file {}]
38 set libsrc $srcdir/$subdir/$libfile.c
39 set lib_sl [standard_output_file $libname]
40 set lib_dlopen [shlib_target_file ${libname}]
41 set lib_syms [shlib_symbol_file ${libname}]
44 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME=\"${lib_dlopen}\"]
46 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
47 || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
48 untested "failed to compile"
52 clean_restart $binfile
53 gdb_load_shlib $lib_sl
57 # Disable hardware watchpoints if necessary.
58 if {!$allow_hw_watchpoint_tests_p} {
59 gdb_test_no_output "set can-use-hw-watchpoints 0" ""
62 # Test that if we set a watchpoint on a global variable
63 # in a explicitly loaded shared library, and then
64 # re-run the application, gdb does not crash.
65 gdb_test_multiple "break foo" "set pending breakpoint" {
66 -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
67 gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
71 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
72 gdb_test "watch g" "atchpoint 3: g" "set watchpoint on g"
73 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
76 with_timeout_factor 30 {
77 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
80 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"