1 # Copyright 2014-2019 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 # Test that removing a single-step breakpoint that is placed at the
17 # same address as another regular breakpoint leaves the regular
18 # breakpoint inserted.
21 set executable ${testfile}
23 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
27 if ![runto_main] then {
28 fail "can't run to main"
32 gdb_breakpoint [gdb_get_line_number "set foo break here"]
33 gdb_continue_to_breakpoint "first breakpoint" ".* set foo break here .*"
35 # Get the address of the next instruction and set a breakpoint there.
37 set test "disassemble main"
38 gdb_test_multiple $test $test {
39 -re ".*=> $hex <\\+$decimal>:\[^\r\n\]+\r\n ($hex) .*$gdb_prompt $" {
40 set next_insn_addr $expect_out(1,string)
45 if { $next_insn_addr == "" } {
49 gdb_test "b *$next_insn_addr" "Breakpoint .*"
51 # So that GDB doesn't try to remove the regular breakpoint when the
53 gdb_test_no_output "set breakpoint always-inserted on"
55 # On software single-step targets, this step will want to momentarily
56 # place a single-step breakpoint over the bar breakpoint, and then
57 # remove it. But, a regular breakpoint is planted there already, and
58 # with always-inserted on, should remain planted when the step
60 gdb_test "si" "Breakpoint .*"
62 # If the breakpoint is still correctly inserted, then this jump should
63 # re-trigger it. Otherwise, GDB will lose control and the program
64 # will exit. See PR breakpoints/17000.
65 gdb_test "jump *\$pc" "Breakpoint .*"