66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
# Copyright 2014-2017 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test that removing a single-step breakpoint that is placed at the
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# same address as another regular breakpoint leaves the regular
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# breakpoint inserted.
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standard_testfile
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set executable ${testfile}
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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if ![runto_main] then {
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fail "can't run to main"
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return 0
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}
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gdb_breakpoint [gdb_get_line_number "set foo break here"]
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gdb_continue_to_breakpoint "first breakpoint" ".* set foo break here .*"
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# Get the address of the next instruction and set a breakpoint there.
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set next_insn_addr ""
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set test "disassemble main"
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gdb_test_multiple $test $test {
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-re ".*=> $hex <\\+$decimal>:\[^\r\n\]+\r\n ($hex) .*$gdb_prompt $" {
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set next_insn_addr $expect_out(1,string)
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pass $test
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}
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}
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if { $next_insn_addr == "" } {
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return -1
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}
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gdb_test "b *$next_insn_addr" "Breakpoint .*"
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# So that GDB doesn't try to remove the regular breakpoint when the
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# step finishes.
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gdb_test_no_output "set breakpoint always-inserted on"
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# On software single-step targets, this step will want to momentarily
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# place a single-step breakpoint over the bar breakpoint, and then
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# remove it. But, a regular breakpoint is planted there already, and
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# with always-inserted on, should remain planted when the step
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# finishes.
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gdb_test "si" "Breakpoint .*"
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# If the breakpoint is still correctly inserted, then this jump should
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# re-trigger it. Otherwise, GDB will lose control and the program
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# will exit. See PR breakpoints/17000.
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gdb_test "jump *\$pc" "Breakpoint .*"
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