xref: /netbsd-src/external/gpl3/gdb/dist/gdb/testsuite/gdb.base/watchpoint-solib.exp (revision 9fd8799cb5ceb66c69f2eb1a6d26a1d587ba1f1e)
1#   Copyright 2007-2020 Free Software Foundation, Inc.
2
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.
7#
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.
12#
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/>.
15
16#
17# test running programs
18#
19
20if {[skip_shlib_tests]} {
21    return 0
22}
23
24set testfile "watchpoint-solib"
25set libfile "watchpoint-solib-shr"
26set libname "${libfile}.sl"
27set libsrcfile ${libfile}.c
28set srcfile $srcdir/$subdir/$testfile.c
29set binfile [standard_output_file $testfile]
30set shlibdir [standard_output_file {}]
31set libsrc  $srcdir/$subdir/$libfile.c
32set lib_sl  [standard_output_file $libname]
33set lib_dlopen [shlib_target_file ${libname}]
34set lib_syms [shlib_symbol_file ${libname}]
35
36if [get_compiler_info] {
37    return -1
38}
39
40set lib_opts debug
41set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME=\"${lib_dlopen}\"]
42
43if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
44     || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
45    untested "failed to compile"
46    return -1
47}
48
49# Start with a fresh gdb.
50
51gdb_exit
52gdb_start
53gdb_reinitialize_dir $srcdir/$subdir
54gdb_load ${binfile}
55gdb_load_shlib $lib_sl
56
57runto_main
58
59# Disable hardware watchpoints if necessary.
60if [target_info exists gdb,no_hardware_watchpoints] {
61    gdb_test_no_output "set can-use-hw-watchpoints 0" ""
62}
63
64# Test that if we set a watchpoint on a global variable
65# in a explicitly loaded shared library, and then
66# re-run the application, gdb does not crash.
67gdb_test_multiple "break foo" "set pending breakpoint" {
68     -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
69	    gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
70     }
71}
72
73gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
74gdb_test "watch g" "atchpoint 3: g" "set watchpoint on g"
75gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
76rerun_to_main
77
78with_timeout_factor 30 {
79    gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
80}
81
82gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"
83