tests/tcg/multiarch/gdbstub/test-proc-mappings.py

   1 """Test that gdbstub has access to proc mappings.
   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     try:
  25         mappings = gdb.execute("info proc mappings", False, True)
  26     except gdb.error as exc:
  27         exc_str = str(exc)
  28         if "Not supported on this target." in exc_str:
  29             # Detect failures due to an outstanding issue with how GDB handles
  30             # the x86_64 QEMU's target.xml, which does not contain the
  31             # definition of orig_rax. Skip the test in this case.
  32             print("SKIP: {}".format(exc_str))
  33             return
  34         raise
  35     report(isinstance(mappings, str), "Fetched the mappings from the inferior")
  36     # Broken with host page size > guest page size
  37     # report("/sha1" in mappings, "Found the test binary name in the mappings")
  38
  39
  40 def main():
  41     """Prepare the environment and run through the tests"""
  42     try:
  43         inferior = gdb.selected_inferior()
  44         print("ATTACHED: {}".format(inferior.architecture().name()))
  45     except (gdb.error, AttributeError):
  46         print("SKIPPING (not connected)")
  47         exit(0)
  48
  49     if gdb.parse_and_eval('$pc') == 0:
  50         print("SKIP: PC not set")
  51         exit(0)
  52
  53     try:
  54         # Run the actual tests
  55         run_test()
  56     except gdb.error:
  57         report(False, "GDB Exception: {}".format(sys.exc_info()[0]))
  58     print("All tests complete: %d failures" % n_failures)
  59     exit(n_failures)
  60
  61
  62 main()