70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
"""
|
|
Test that LLDB can launch a linux executable and then execs into the dynamic
|
|
loader into this program again.
|
|
"""
|
|
|
|
import lldb
|
|
import os
|
|
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
class TestLinux64ExecViaDynamicLoader(TestBase):
|
|
NO_DEBUG_INFO_TESTCASE = True
|
|
|
|
@skipIfXmlSupportMissing
|
|
@skipIf(oslist=no_match(['linux']))
|
|
def test_with_svr4(self):
|
|
self.runCmd("settings set plugin.process.gdb-remote.use-libraries-svr4 true")
|
|
self._test()
|
|
|
|
@skipIf(oslist=no_match(['linux']))
|
|
def test_without_svr4(self):
|
|
self.runCmd("settings set plugin.process.gdb-remote.use-libraries-svr4 false")
|
|
self._test()
|
|
|
|
def _test(self):
|
|
self.build()
|
|
|
|
# Extracts path of the interpreter.
|
|
exe = self.getBuildArtifact("a.out")
|
|
|
|
spec = lldb.SBModuleSpec()
|
|
spec.SetFileSpec(lldb.SBFileSpec(exe))
|
|
interp_section = lldb.SBModule(spec).FindSection(".interp")
|
|
if not interp_section:
|
|
return
|
|
section_data = interp_section.GetSectionData()
|
|
error = lldb.SBError()
|
|
dyld_path = section_data.GetString(error,0)
|
|
if error.Fail():
|
|
return
|
|
|
|
target = self.dbg.CreateTarget(exe)
|
|
self.assertTrue(target, VALID_TARGET)
|
|
|
|
# Set a breakpoint in the main function that will get hit after the
|
|
# program exec's via the dynamic loader. The breakpoint will only get
|
|
# hit if we can successfully read the shared library lists in the
|
|
# DynamicLoaderPOSIXDYLD.cpp when we exec into the dynamic loader.
|
|
breakpoint_main = target.BreakpointCreateBySourceRegex("// Break here", lldb.SBFileSpec("main.cpp"))
|
|
# Setup our launch info to supply the dynamic loader path to the
|
|
# program so it gets two args:
|
|
# - path to a.out
|
|
# - path to dynamic loader
|
|
launch_info = lldb.SBLaunchInfo([dyld_path])
|
|
error = lldb.SBError()
|
|
process = target.Launch(launch_info, error)
|
|
self.assertSuccess(error)
|
|
|
|
threads = lldbutil.get_stopped_threads(process, lldb.eStopReasonExec)
|
|
self.assertEqual(len(threads), 1, "We got a thread stopped for exec.")
|
|
|
|
process.Continue();
|
|
|
|
# Stopped on main here.
|
|
self.assertState(process.GetState(), lldb.eStateStopped)
|
|
thread = process.GetSelectedThread()
|
|
self.assertIn("main", thread.GetFrameAtIndex(0).GetDisplayFunctionName())
|