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# This testcase is part of GDB, the GNU debugger.
# Copyright 2014-2021 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/>.
# Test tstepping an instruction just as long as decr_pc_after_break
# after removing a breakpoint at PC. GDB used to get confused with
# this in non-stop mode, and adjust the PC incorrectly. PR gdb/12623.
standard_testfile
if [build_executable "failed to build" ${testfile} ${srcfile} {debug}] {
return -1
}
set linenum_for_user_bp [gdb_get_line_number "break for user-bp test here"]
set linenum_for_step_resume [gdb_get_line_number "break for step-resume test here"]
proc test {non_stop displaced always_inserted} {
global binfile
global linenum_for_user_bp
global linenum_for_step_resume
global GDBFLAGS
save_vars { GDBFLAGS } {
set GDBFLAGS "$GDBFLAGS -ex \"set non-stop $non_stop\""
clean_restart $binfile
}
gdb_test_no_output "set displaced-stepping $displaced"
gdb_test_no_output "set breakpoint always-inserted $always_inserted"
if ![runto_main] {
return -1
}
with_test_prefix "user bp" {
delete_breakpoints
gdb_breakpoint $linenum_for_user_bp
gdb_continue_to_breakpoint "continue to breakpoint"
# If breakpoint always-inserted is on, this makes the location
# moribund.
delete_breakpoints
gdb_test "si" "INSN.*insn1.*" "si advances"
}
with_test_prefix "step-resume" {
delete_breakpoints
gdb_breakpoint $linenum_for_step_resume
gdb_continue_to_breakpoint "continue to breakpoint"
gdb_test "next" "insn1.*"
# We're now stopped where the step-resume breakpoint for the
# previous "next" was. That breakpoint was removed and is now
# on the moribund locations list.
gdb_test "si" "INSN.*insn2.*" "si advances"
delete_breakpoints
}
}
foreach_with_prefix non_stop { "off" "on" } {
foreach_with_prefix displaced_step { "off" "on" } {
foreach_with_prefix always_inserted { "off" "on" } {
test $non_stop $displaced_step $always_inserted
}
}
}
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