cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

test-signals-s390x.py (1822B)

      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)