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65 lines
2.1 KiB
Plaintext
65 lines
2.1 KiB
Plaintext
# Copyright (C) 2015-2023 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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# This file is part of the GDB testsuite. It verifies that frame
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# unwinders can be implemented in Python.
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load_lib gdb-python.exp
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require allow_python_tests
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standard_testfile
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# Stack protection can make the stack look a bit different, breaking the
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# assumptions this test has about its layout.
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set flags "additional_flags=-fno-stack-protector"
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} "debug $flags"] } {
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return -1
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}
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# This test runs on a specific platform.
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require is_x86_64_m64_target
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# The following tests require execution.
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if {![runto_main]} {
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return 0
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}
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set pyfile [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
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gdb_breakpoint [gdb_get_line_number "break backtrace-broken"]
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gdb_test "source ${pyfile}" "Python script imported" \
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"import python scripts"
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gdb_continue_to_breakpoint "break backtrace-broken"
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gdb_test_sequence "where" "Backtrace restored by unwinder" {
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"\\r\\n#0 .* corrupt_frame_inner \\(\\) at "
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"\\r\\n#1 .* corrupt_frame_outer \\(\\) at "
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"\\r\\n#2 .* main \\(.*\\) at"
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}
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# Check that the Python unwinder frames can be flushed / released.
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gdb_test "maint flush register-cache" "Register cache flushed\\." "flush frames"
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# Check that invalid register names cause errors.
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gdb_test "python print(add_saved_register_error)" "True" \
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"add_saved_register error"
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gdb_test "python print(read_register_error)" "True" \
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"read_register error"
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