qemu-e2k/tests/tcg/multiarch/gdbstub/prot-none.py
Ilya Leoshkevich da4038d2da tests/tcg: Fix the /proc/self/mem probing in the PROT_NONE gdbstub test
The `if not probe_proc_self_mem` check never passes, because
probe_proc_self_mem is a function object, which is a truthy value.
Add parentheses in order to perform a function call.

Fixes: dc84d50a7f9b ("tests/tcg: Add the PROT_NONE gdbstub test")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240131220245.235993-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-02-03 16:46:10 +10:00

37 lines
984 B
Python

"""Test that GDB can access PROT_NONE pages.
This runs as a sourced script (via -x, via run-test.py).
SPDX-License-Identifier: GPL-2.0-or-later
"""
import ctypes
from test_gdbstub import main, report
def probe_proc_self_mem():
buf = ctypes.create_string_buffer(b'aaa')
try:
with open("/proc/self/mem", "rb") as fp:
fp.seek(ctypes.addressof(buf))
return fp.read(3) == b'aaa'
except OSError:
return False
def run_test():
"""Run through the tests one by one"""
if not probe_proc_self_mem():
print("SKIP: /proc/self/mem is not usable")
exit(0)
gdb.Breakpoint("break_here")
gdb.execute("continue")
val = gdb.parse_and_eval("*(char[2] *)q").string()
report(val == "42", "{} == 42".format(val))
gdb.execute("set *(char[3] *)q = \"24\"")
gdb.execute("continue")
exitcode = int(gdb.parse_and_eval("$_exitcode"))
report(exitcode == 0, "{} == 0".format(exitcode))
main(run_test)