b9504c9ad9
Add follow-fork-mode child and and follow-fork-mode parent tests. Check for the obvious pitfalls, such as lingering breakpoints, catchpoints, and single-step mode. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20240219141628.246823-13-iii@linux.ibm.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240305121005.3528075-14-alex.bennee@linaro.org>
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
"""Test GDB's follow-fork-mode child.
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SPDX-License-Identifier: GPL-2.0-or-later
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"""
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from test_gdbstub import main, report
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def run_test():
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"""Run through the tests one by one"""
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gdb.execute("set follow-fork-mode child")
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# Check that the parent breakpoints are unset.
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gdb.execute("break break_after_fork")
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# Check that the parent syscall catchpoints are unset.
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# Skip this check on the architectures that don't have them.
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have_fork_syscall = False
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for fork_syscall in ("fork", "clone", "clone2", "clone3"):
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try:
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gdb.execute("catch syscall {}".format(fork_syscall))
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except gdb.error:
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pass
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else:
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have_fork_syscall = True
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gdb.execute("continue")
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for i in range(42):
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if have_fork_syscall:
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# syscall entry.
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if i % 2 == 0:
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# Check that the parent single-stepping is turned off.
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gdb.execute("si")
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else:
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gdb.execute("continue")
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# syscall exit.
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gdb.execute("continue")
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# break_after_fork()
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gdb.execute("continue")
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exitcode = int(gdb.parse_and_eval("$_exitcode"))
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report(exitcode == 42, "{} == 42".format(exitcode))
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main(run_test)
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