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# Copyright (C) 2015-2019 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/>.
# This file is part of the GDB testsuite. It verifies that frame
# unwinders can be implemented in Python.
load_lib gdb-python.exp
standard_testfile
# Stack protection can make the stack look a bit different, breaking the
# assumptions this test has about its layout.
set flags "additional_flags=-fno-stack-protector"
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} "debug $flags"] } {
return -1
}
# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }
# This test runs on a specific platform.
if { ![istarget x86_64-*-* ] || ![is_lp64_target] } { continue }
# The following tests require execution.
if ![runto_main] then {
fail "can't run to main"
return 0
}
set pyfile [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
gdb_breakpoint [gdb_get_line_number "break backtrace-broken"]
gdb_test "source ${pyfile}" "Python script imported" \
"import python scripts"
gdb_continue_to_breakpoint "break backtrace-broken"
gdb_test_sequence "where" "Backtrace restored by unwinder" {
"\\r\\n#0 .* corrupt_frame_inner \\(\\) at "
"\\r\\n#1 .* corrupt_frame_outer \\(\\) at "
"\\r\\n#2 .* main \\(.*\\) at"
}
# Check that the Python unwinder frames can be flushed / released.
gdb_test "flushregs" "Register cache flushed\\." "flush frames"
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