1from __future__ import print_function
2
3#
4# Test that signals and debugging mix well together on s390x.
5#
6# This is launched via tests/guest-debug/run-test.py
7#
8
9import gdb
10import sys
11
12failcount = 0
13
14
15def report(cond, msg):
16    """Report success/fail of test"""
17    if cond:
18        print("PASS: %s" % (msg))
19    else:
20        print("FAIL: %s" % (msg))
21        global failcount
22        failcount += 1
23
24
25def run_test():
26    """Run through the tests one by one"""
27    illegal_op = gdb.Breakpoint("illegal_op")
28    stg = gdb.Breakpoint("stg")
29    mvc_8 = gdb.Breakpoint("mvc_8")
30
31    # Expect the following events:
32    # 1x illegal_op breakpoint
33    # 2x stg breakpoint, segv, breakpoint
34    # 2x mvc_8 breakpoint, segv, breakpoint
35    for _ in range(14):
36        gdb.execute("c")
37    report(illegal_op.hit_count == 1, "illegal_op.hit_count == 1")
38    report(stg.hit_count == 4, "stg.hit_count == 4")
39    report(mvc_8.hit_count == 4, "mvc_8.hit_count == 4")
40
41    # The test must succeed.
42    gdb.Breakpoint("_exit")
43    gdb.execute("c")
44    status = int(gdb.parse_and_eval("$r2"))
45    report(status == 0, "status == 0");
46
47
48#
49# This runs as the script it sourced (via -x, via run-test.py)
50#
51try:
52    inferior = gdb.selected_inferior()
53    arch = inferior.architecture()
54    print("ATTACHED: %s" % arch.name())
55except (gdb.error, AttributeError):
56    print("SKIPPING (not connected)", file=sys.stderr)
57    exit(0)
58
59if gdb.parse_and_eval("$pc") == 0:
60    print("SKIP: PC not set")
61    exit(0)
62
63try:
64    # These are not very useful in scripts
65    gdb.execute("set pagination off")
66    gdb.execute("set confirm off")
67
68    # Run the actual tests
69    run_test()
70except (gdb.error):
71    print("GDB Exception: %s" % (sys.exc_info()[0]))
72    failcount += 1
73    pass
74
75print("All tests complete: %d failures" % failcount)
76exit(failcount)
77