tests/tcg/s390x/gdbstub/test-svc.py

   1 """Test single-stepping SVC.
   2
   3 This runs as a sourced script (via -x, via run-test.py)."""
   4 from __future__ import print_function
   5 import gdb
   6 import sys
   7
   8
   9 n_failures = 0
  10
  11
  12 def report(cond, msg):
  13     """Report success/fail of a test"""
  14     if cond:
  15         print("PASS: {}".format(msg))
  16     else:
  17         print("FAIL: {}".format(msg))
  18         global n_failures
  19         n_failures += 1
  20
  21
  22 def run_test():
  23     """Run through the tests one by one"""
  24     report("lghi\t" in gdb.execute("x/i $pc", False, True), "insn #1")
  25     gdb.execute("si")
  26     report("larl\t" in gdb.execute("x/i $pc", False, True), "insn #2")
  27     gdb.execute("si")
  28     report("lgrl\t" in gdb.execute("x/i $pc", False, True), "insn #3")
  29     gdb.execute("si")
  30     report("svc\t" in gdb.execute("x/i $pc", False, True), "insn #4")
  31     gdb.execute("si")
  32     report("xgr\t" in gdb.execute("x/i $pc", False, True), "insn #5")
  33     gdb.execute("si")
  34     report("svc\t" in gdb.execute("x/i $pc", False, True), "insn #6")
  35     gdb.execute("si")
  36
  37
  38 def main():
  39     """Prepare the environment and run through the tests"""
  40     try:
  41         inferior = gdb.selected_inferior()
  42         print("ATTACHED: {}".format(inferior.architecture().name()))
  43     except (gdb.error, AttributeError):
  44         print("SKIPPING (not connected)")
  45         exit(0)
  46
  47     if gdb.parse_and_eval('$pc') == 0:
  48         print("SKIP: PC not set")
  49         exit(0)
  50
  51     try:
  52         # Run the actual tests
  53         run_test()
  54     except gdb.error:
  55         report(False, "GDB Exception: {}".format(sys.exc_info()[0]))
  56     print("All tests complete: %d failures" % n_failures)
  57     exit(n_failures)
  58
  59
  60 main()