xref: /openbmc/qemu/tests/tcg/multiarch/gdbstub/sha1.py (revision b4b9a0e3) 
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('$pc')
33    report(bp.hit_count == 1,
34           "break @ %s (%s %d hits)" % (end_pc, sym.value(), bp.hit_count))
35
36    bp.delete()
37
38def run_test():
39    "Run through the tests one by one"
40
41    check_break("SHA1Init")
42
43    # Check step and inspect values. We do a double next after the
44    # breakpoint as depending on the version of gdb we may step the
45    # preamble and not the first actual line of source.
46    gdb.execute("next")
47    gdb.execute("next")
48    val_ctx = gdb.parse_and_eval("context->state[0]")
49    exp_ctx = 0x67452301
50    report(int(val_ctx) == exp_ctx, "context->state[0] == %x" % exp_ctx);
51
52    gdb.execute("next")
53    val_ctx = gdb.parse_and_eval("context->state[1]")
54    exp_ctx = 0xEFCDAB89
55    report(int(val_ctx) == exp_ctx, "context->state[1] == %x" % exp_ctx);
56
57    # finally check we don't barf inspecting registers
58    gdb.execute("info registers")
59
60#
61# This runs as the script it sourced (via -x, via run-test.py)
62#
63try:
64    inferior = gdb.selected_inferior()
65    arch = inferior.architecture()
66    print("ATTACHED: %s" % arch.name())
67except (gdb.error, AttributeError):
68    print("SKIPPING (not connected)", file=sys.stderr)
69    exit(0)
70
71if gdb.parse_and_eval('$pc') == 0:
72    print("SKIP: PC not set")
73    exit(0)
74
75try:
76    # These are not very useful in scripts
77    gdb.execute("set pagination off")
78    gdb.execute("set confirm off")
79
80    # Run the actual tests
81    run_test()
82except (gdb.error):
83    print ("GDB Exception: %s" % (sys.exc_info()[0]))
84    failcount += 1
85    pass
86
87print("All tests complete: %d failures" % failcount)
88exit(failcount)
89