qemu/tests/tcg/s390x/gdbstub/test-signals-s390x.py
Ilya Leoshkevich e7f8a3aae2 tests/tcg/s390x: Test SIGILL and SIGSEGV handling
Verify that s390x-specific uc_mcontext.psw.addr is reported correctly
and that signal handling interacts properly with debugging.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210804225146.154513-1-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 16:23:12 +02:00

77 lines
1.8 KiB
Python

from __future__ import print_function
#
# Test that signals and debugging mix well together on s390x.
#
# This is launched via tests/guest-debug/run-test.py
#
import gdb
import sys
failcount = 0
def report(cond, msg):
"""Report success/fail of test"""
if cond:
print("PASS: %s" % (msg))
else:
print("FAIL: %s" % (msg))
global failcount
failcount += 1
def run_test():
"""Run through the tests one by one"""
illegal_op = gdb.Breakpoint("illegal_op")
stg = gdb.Breakpoint("stg")
mvc_8 = gdb.Breakpoint("mvc_8")
# Expect the following events:
# 1x illegal_op breakpoint
# 2x stg breakpoint, segv, breakpoint
# 2x mvc_8 breakpoint, segv, breakpoint
for _ in range(14):
gdb.execute("c")
report(illegal_op.hit_count == 1, "illegal_op.hit_count == 1")
report(stg.hit_count == 4, "stg.hit_count == 4")
report(mvc_8.hit_count == 4, "mvc_8.hit_count == 4")
# The test must succeed.
gdb.Breakpoint("_exit")
gdb.execute("c")
status = int(gdb.parse_and_eval("$r2"))
report(status == 0, "status == 0");
#
# This runs as the script it sourced (via -x, via run-test.py)
#
try:
inferior = gdb.selected_inferior()
arch = inferior.architecture()
print("ATTACHED: %s" % arch.name())
except (gdb.error, AttributeError):
print("SKIPPING (not connected)", file=sys.stderr)
exit(0)
if gdb.parse_and_eval("$pc") == 0:
print("SKIP: PC not set")
exit(0)
try:
# These are not very useful in scripts
gdb.execute("set pagination off")
gdb.execute("set confirm off")
# Run the actual tests
run_test()
except (gdb.error):
print("GDB Exception: %s" % (sys.exc_info()[0]))
failcount += 1
pass
print("All tests complete: %d failures" % failcount)
exit(failcount)