xref: /qemu/tests/tcg/multiarch/gdbstub/sha1.py (revision abff1abf) 
1from __future__ import print_function
2#
3# A very simple smoke test for debugging the SHA1 userspace test on
4# each target.
5#
6# This is launched via tests/guest-debug/run-test.py
7#
8
9import gdb
10import sys
11
12initial_vlen = 0
13failcount = 0
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
24def check_break(sym_name):
25    "Setup breakpoint, continue and check we stopped."
26    sym, ok = gdb.lookup_symbol(sym_name)
27    bp = gdb.Breakpoint(sym_name)
28
29    gdb.execute("c")
30
31    # hopefully we came back
32    end_pc = gdb.parse_and_eval('$pc')
33    report(bp.hit_count == 1,
34           "break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count))
35
36    bp.delete()
37
38def run_test():
39    "Run through the tests one by one"
40
41    check_break("SHA1Init")
42
43    # check step and inspect values
44    gdb.execute("next")
45    val_ctx = gdb.parse_and_eval("context->state[0]")
46    exp_ctx = 0x67452301
47    report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx);
48
49    gdb.execute("next")
50    val_ctx = gdb.parse_and_eval("context->state[1]")
51    exp_ctx = 0xEFCDAB89
52    report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx);
53
54    # finally check we don't barf inspecting registers
55    gdb.execute("info registers")
56
57#
58# This runs as the script it sourced (via -x, via run-test.py)
59#
60try:
61    inferior = gdb.selected_inferior()
62    arch = inferior.architecture()
63    print("ATTACHED: %s" % arch.name())
64except (gdb.error, AttributeError):
65    print("SKIPPING (not connected)", file=sys.stderr)
66    exit(0)
67
68if gdb.parse_and_eval('$pc') == 0:
69    print("SKIP: PC not set")
70    exit(0)
71
72try:
73    # These are not very useful in scripts
74    gdb.execute("set pagination off")
75    gdb.execute("set confirm off")
76
77    # Run the actual tests
78    run_test()
79except (gdb.error):
80    print ("GDB Exception: %s" % (sys.exc_info()[0]))
81    failcount += 1
82    pass
83
84print("All tests complete: %d failures" % failcount)
85exit(failcount)
86