qemu/tests/guest-debug/test_gdbstub.py
Gustavo Romero 93a3048dcf tests: Gently exit from GDB when tests complete
GDB commit a207f6b3a38 ('Rewrite "python" command exception handling')
changed how exit() called from Python scripts loaded by GDB behave,
turning it into an exception instead of a generic error code that is
returned. This change caused several QEMU tests to crash with the
following exception:

Python Exception <class 'SystemExit'>: 0
Error occurred in Python: 0

This happens because in tests/guest-debug/test_gdbstub.py exit is
called after the tests have completed.

This commit fixes it by politely asking GDB to exit via gdb.execute,
passing the proper fail_count to be reported to 'make', instead of
abruptly calling exit() from the Python script.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240515173132.2462201-4-gustavo.romero@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-05-17 16:49:04 +02:00

61 lines
1.4 KiB
Python

"""Helper functions for gdbstub testing
"""
from __future__ import print_function
import gdb
import os
import sys
import traceback
fail_count = 0
def report(cond, msg):
"""Report success/fail of a test"""
if cond:
print("PASS: {}".format(msg))
else:
print("FAIL: {}".format(msg))
global fail_count
fail_count += 1
def main(test, expected_arch=None):
"""Run a test function
This runs as the script it sourced (via -x, via run-test.py)."""
try:
inferior = gdb.selected_inferior()
arch = inferior.architecture()
print("ATTACHED: {}".format(arch.name()))
if expected_arch is not None:
report(arch.name() == expected_arch,
"connected to {}".format(expected_arch))
except (gdb.error, AttributeError):
print("SKIP: not connected")
exit(0)
if gdb.parse_and_eval("$pc") == 0:
print("SKIP: PC not set")
exit(0)
try:
test()
except:
print("GDB Exception:")
traceback.print_exc(file=sys.stdout)
global fail_count
fail_count += 1
if "QEMU_TEST_INTERACTIVE" in os.environ:
import code
code.InteractiveConsole(locals=globals()).interact()
raise
try:
gdb.execute("kill")
except gdb.error:
pass
print("All tests complete: {} failures".format(fail_count))
gdb.execute(f"exit {fail_count}")