| """Test that corefiles with LC_NOTE "kern ver str" and "main bin spec" load commands works.""" |
| |
| |
| |
| import os |
| import re |
| import subprocess |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestFirmwareCorefiles(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def initial_setup(self): |
| self.build() |
| self.aout_exe = self.getBuildArtifact("a.out") |
| self.aout_exe_basename = "a.out" |
| self.create_corefile = self.getBuildArtifact("create-empty-corefile") |
| self.dsym_for_uuid = self.getBuildArtifact("dsym-for-uuid.sh") |
| self.verstr_corefile = self.getBuildArtifact("verstr.core") |
| self.verstr_corefile_addr = self.getBuildArtifact("verstr-addr.core") |
| self.binspec_corefile = self.getBuildArtifact("binspec.core") |
| self.binspec_corefile_addr = self.getBuildArtifact("binspec-addr.core") |
| |
| ## We can hook in our dsym-for-uuid shell script to lldb with this env |
| ## var instead of requiring a defaults write. |
| os.environ['LLDB_APPLE_DSYMFORUUID_EXECUTABLE'] = self.dsym_for_uuid |
| self.addTearDownHook(lambda: os.environ.pop('LLDB_APPLE_DSYMFORUUID_EXECUTABLE', None)) |
| |
| self.runCmd("settings set target.load-script-from-symbol-file true") |
| self.addTearDownHook(lambda: self.runCmd("settings set target.load-script-from-symbol-file false")) |
| |
| dsym_python_dir = '%s.dSYM/Contents/Resources/Python' % (self.aout_exe) |
| os.makedirs(dsym_python_dir) |
| python_os_plugin_path = os.path.join(self.getSourceDir(), |
| 'operating_system.py') |
| python_init = [ |
| 'def __lldb_init_module(debugger, internal_dict):', |
| ' debugger.HandleCommand(\'settings set target.process.python-os-plugin-path %s\')' % python_os_plugin_path, |
| ] |
| with open(dsym_python_dir + "/a_out.py", "w") as writer: |
| for l in python_init: |
| writer.write(l + '\n') |
| |
| dwarfdump_uuid_regex = re.compile( |
| 'UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*') |
| dwarfdump_cmd_output = subprocess.check_output( |
| ('/usr/bin/dwarfdump --uuid "%s"' % self.aout_exe), shell=True).decode("utf-8") |
| aout_uuid = None |
| for line in dwarfdump_cmd_output.splitlines(): |
| match = dwarfdump_uuid_regex.search(line) |
| if match: |
| aout_uuid = match.group(1) |
| self.assertNotEqual(aout_uuid, None, "Could not get uuid of built a.out") |
| |
| ### Create our dsym-for-uuid shell script which returns self.aout_exe |
| shell_cmds = [ |
| '#! /bin/sh', |
| '# the last argument is the uuid', |
| 'while [ $# -gt 1 ]', |
| 'do', |
| ' shift', |
| 'done', |
| 'ret=0', |
| 'echo "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>"', |
| 'echo "<!DOCTYPE plist PUBLIC \\"-//Apple//DTD PLIST 1.0//EN\\" \\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\\">"', |
| 'echo "<plist version=\\"1.0\\">"', |
| '', |
| 'if [ "$1" != "%s" ]' % (aout_uuid), |
| 'then', |
| ' echo "<key>DBGError</key><string>not found</string>"', |
| ' echo "</plist>"', |
| ' exit 1', |
| 'fi', |
| ' uuid=%s' % aout_uuid, |
| ' bin=%s' % self.aout_exe, |
| ' dsym=%s.dSYM/Contents/Resources/DWARF/%s' % (self.aout_exe, os.path.basename(self.aout_exe)), |
| 'echo "<dict><key>$uuid</key><dict>"', |
| '', |
| 'echo "<key>DBGDSYMPath</key><string>$dsym</string>"', |
| 'echo "<key>DBGSymbolRichExecutable</key><string>$bin</string>"', |
| 'echo "</dict></dict></plist>"', |
| 'exit $ret' |
| ] |
| |
| with open(self.dsym_for_uuid, "w") as writer: |
| for l in shell_cmds: |
| writer.write(l + '\n') |
| |
| os.chmod(self.dsym_for_uuid, 0o755) |
| |
| self.slide = 0x70000000000 |
| |
| ### Create our corefile |
| # 0xffffffffffffffff means load address unknown |
| retcode = call(self.create_corefile + " version-string " + self.verstr_corefile + " " + self.aout_exe + " 0xffffffffffffffff", shell=True) |
| retcode = call(self.create_corefile + " version-string " + self.verstr_corefile_addr + " " + self.aout_exe + (" 0x%x" % self.slide), shell=True) |
| retcode = call(self.create_corefile + " main-bin-spec " + self.binspec_corefile + " " + self.aout_exe + " 0xffffffffffffffff", shell=True) |
| retcode = call(self.create_corefile + " main-bin-spec " + self.binspec_corefile_addr + " " + self.aout_exe + (" 0x%x" % self.slide), shell=True) |
| |
| @skipIf(debug_info=no_match(["dsym"]), bugnumber="This test is looking explicitly for a dSYM") |
| @skipIf(archs=no_match(['x86_64'])) |
| @skipUnlessDarwin |
| def test_lc_note_version_string(self): |
| self.initial_setup() |
| |
| if self.TraceOn(): |
| self.runCmd("log enable lldb dyld host") |
| self.addTearDownHook(lambda: self.runCmd("log disable lldb dyld host")) |
| |
| ### Now run lldb on the corefile |
| ### which will give us a UUID |
| ### which we call dsym-for-uuid.sh with |
| ### which gives us a binary and dSYM |
| ### which lldb should load! |
| |
| # First, try the "kern ver str" corefile |
| self.target = self.dbg.CreateTarget('') |
| err = lldb.SBError() |
| if self.TraceOn(): |
| self.runCmd("script print('loading corefile %s')" % self.verstr_corefile) |
| self.process = self.target.LoadCore(self.verstr_corefile) |
| self.assertEqual(self.process.IsValid(), True) |
| if self.TraceOn(): |
| self.runCmd("image list") |
| self.runCmd("target mod dump sections") |
| self.assertEqual(self.target.GetNumModules(), 1) |
| fspec = self.target.GetModuleAtIndex(0).GetFileSpec() |
| self.assertEqual(fspec.GetFilename(), self.aout_exe_basename) |
| self.process.Kill() |
| self.process = None |
| self.target.Clear() |
| self.target = None |
| self.dbg.MemoryPressureDetected() |
| |
| # Second, try the "kern ver str" corefile where it loads at an address |
| self.target = self.dbg.CreateTarget('') |
| err = lldb.SBError() |
| if self.TraceOn(): |
| self.runCmd("script print('loading corefile %s')" % self.verstr_corefile_addr) |
| self.process = self.target.LoadCore(self.verstr_corefile_addr) |
| self.assertEqual(self.process.IsValid(), True) |
| if self.TraceOn(): |
| self.runCmd("image list") |
| self.runCmd("target mod dump sections") |
| self.assertEqual(self.target.GetNumModules(), 1) |
| fspec = self.target.GetModuleAtIndex(0).GetFileSpec() |
| self.assertEqual(fspec.GetFilename(), self.aout_exe_basename) |
| main_sym = self.target.GetModuleAtIndex(0).FindSymbol("main", lldb.eSymbolTypeAny) |
| main_addr = main_sym.GetStartAddress() |
| self.assertGreater(main_addr.GetLoadAddress(self.target), self.slide) |
| self.assertNotEqual(main_addr.GetLoadAddress(self.target), lldb.LLDB_INVALID_ADDRESS) |
| self.process.Kill() |
| self.process = None |
| self.target.Clear() |
| self.target = None |
| self.dbg.MemoryPressureDetected() |
| |
| @skipIf(debug_info=no_match(["dsym"]), bugnumber="This test is looking explicitly for a dSYM") |
| @skipIf(archs=no_match(['x86_64'])) |
| @skipUnlessDarwin |
| def test_lc_note_main_bin_spec(self): |
| self.initial_setup() |
| |
| if self.TraceOn(): |
| self.runCmd("log enable lldb dyld host") |
| self.addTearDownHook(lambda: self.runCmd("log disable lldb dyld host")) |
| |
| # Third, try the "main bin spec" corefile |
| self.target = self.dbg.CreateTarget('') |
| if self.TraceOn(): |
| self.runCmd("script print('loading corefile %s')" % self.binspec_corefile) |
| self.process = self.target.LoadCore(self.binspec_corefile) |
| self.assertEqual(self.process.IsValid(), True) |
| if self.TraceOn(): |
| self.runCmd("image list") |
| self.runCmd("target mod dump sections") |
| self.assertEqual(self.target.GetNumModules(), 1) |
| fspec = self.target.GetModuleAtIndex(0).GetFileSpec() |
| self.assertEqual(fspec.GetFilename(), self.aout_exe_basename) |
| self.process.Kill() |
| self.process = None |
| self.target.Clear() |
| self.target = None |
| self.dbg.MemoryPressureDetected() |
| |
| # Fourth, try the "main bin spec" corefile where it loads at an address |
| self.target = self.dbg.CreateTarget('') |
| if self.TraceOn(): |
| self.runCmd("script print('loading corefile %s')" % self.binspec_corefile_addr) |
| self.process = self.target.LoadCore(self.binspec_corefile_addr) |
| self.assertEqual(self.process.IsValid(), True) |
| if self.TraceOn(): |
| self.runCmd("image list") |
| self.runCmd("target mod dump sections") |
| self.assertEqual(self.target.GetNumModules(), 1) |
| fspec = self.target.GetModuleAtIndex(0).GetFileSpec() |
| self.assertEqual(fspec.GetFilename(), self.aout_exe_basename) |
| main_sym = self.target.GetModuleAtIndex(0).FindSymbol("main", lldb.eSymbolTypeAny) |
| main_addr = main_sym.GetStartAddress() |
| self.assertGreater(main_addr.GetLoadAddress(self.target), self.slide) |
| self.assertNotEqual(main_addr.GetLoadAddress(self.target), lldb.LLDB_INVALID_ADDRESS) |
| self.process.Kill() |
| self.process = None |
| self.target.Clear() |
| self.target = None |
| self.dbg.MemoryPressureDetected() |
| |
| @skipIf(debug_info=no_match(["dsym"]), bugnumber="This test is looking explicitly for a dSYM") |
| @skipIf(archs=no_match(['x86_64'])) |
| @skipUnlessDarwin |
| def test_lc_note_main_bin_spec_os_plugin(self): |
| self.initial_setup() |
| |
| if self.TraceOn(): |
| self.runCmd("log enable lldb dyld host") |
| self.addTearDownHook(lambda: self.runCmd("log disable lldb dyld host")) |
| # Now load the binary and confirm that we load the OS plugin. |
| self.target = self.dbg.CreateTarget('') |
| |
| if self.TraceOn(): |
| self.runCmd("script print('loading corefile %s with OS plugin')" % self.binspec_corefile_addr) |
| self.process = self.target.LoadCore(self.binspec_corefile_addr) |
| self.assertEqual(self.process.IsValid(), True) |
| if self.TraceOn(): |
| self.runCmd("image list") |
| self.runCmd("target mod dump sections") |
| self.runCmd("thread list") |
| self.assertEqual(self.target.GetNumModules(), 1) |
| fspec = self.target.GetModuleAtIndex(0).GetFileSpec() |
| self.assertEqual(fspec.GetFilename(), self.aout_exe_basename) |
| |
| # Verify our OS plug-in threads showed up |
| thread = self.process.GetThreadByID(0x111111111) |
| self.assertTrue(thread.IsValid(), |
| "Make sure there is a thread 0x111111111 after we load the python OS plug-in") |
| thread = self.process.GetThreadByID(0x222222222) |
| self.assertTrue(thread.IsValid(), |
| "Make sure there is a thread 0x222222222 after we load the python OS plug-in") |
| thread = self.process.GetThreadByID(0x333333333) |
| self.assertTrue(thread.IsValid(), |
| "Make sure there is a thread 0x333333333 after we load the python OS plug-in") |
| |
| self.process.Kill() |
| self.process = None |
| self.target.Clear() |
| self.target = None |
| self.dbg.MemoryPressureDetected() |
