diff options
Diffstat (limited to 'test/debug.py')
| -rw-r--r-- | test/debug.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/debug.py b/test/debug.py index d1c89c66f3c..e79f082615d 100644 --- a/test/debug.py +++ b/test/debug.py @@ -4,6 +4,9 @@ import os import pexpect import sys +from sanity_run_vpp import SanityTestCase +from shutil import rmtree + gdb_path = '/usr/bin/gdb' @@ -22,3 +25,40 @@ def spawn_gdb(binary_path, core_path): else: sys.stderr.write("Debugger '%s' does not exist or is not " "an executable..\n" % gdb_path) + + +def start_vpp_in_gdb(): + # here we use SanityTestCase as a dummy to inherit functionality, + # but any test case class could be used ... + SanityTestCase.set_debug_flags("attach") + SanityTestCase.tempdir = SanityTestCase.get_tempdir() + if os.path.exists(SanityTestCase.tempdir): + if os.getenv("VPP_IN_GDB_NO_RMDIR", "0") in ["1", "y", "yes"]: + raise FileExistsError( + "Temporary directory exists and removal denied.") + print("Removing existing temp dir '%s'." % SanityTestCase.tempdir) + rmtree(SanityTestCase.tempdir) + print("Creating temp dir '%s'." % SanityTestCase.tempdir) + os.mkdir(SanityTestCase.tempdir) + SanityTestCase.setUpConstants() + vpp_cmdline = SanityTestCase.vpp_cmdline + if os.getenv("VPP_IN_GDB_CMDLINE", "y").lower() in ["1", "y", "yes"]: + print("Hacking cmdline to make VPP interactive.") + vpp_cmdline.insert(vpp_cmdline.index("nodaemon"), "interactive") + print("VPP cmdline is %s" % " ".join(vpp_cmdline)) + print("Running GDB.") + + if os.path.isfile(gdb_path) and os.access(gdb_path, os.X_OK): + gdb_cmdline = "%s --args %s " % (gdb_path, " ".join(vpp_cmdline)) + print("GDB cmdline is %s" % gdb_cmdline) + gdb = pexpect.spawn(gdb_cmdline) + gdb.interact() + try: + gdb.terminate(True) + except: + pass + if gdb.isalive(): + raise Exception("GDB refused to die...") + else: + sys.stderr.write("Debugger '%s' does not exist or is not " + "an executable..\n" % gdb_path) |