104 lines · python
1"""Test that corefiles with an LC_NOTE "kern ver str" load command is used."""2 3 4import os5import re6import subprocess7 8import lldb9from lldbsuite.test.decorators import *10from lldbsuite.test.lldbtest import *11from lldbsuite.test import lldbutil12 13 14class TestKernVerStrLCNOTE(TestBase):15 @skipIf(16 debug_info=no_match(["dsym"]),17 bugnumber="This test is looking explicitly for a dSYM",18 )19 @skipIf(archs=no_match(["x86_64"]))20 @skipUnlessDarwin21 def test_lc_note(self):22 self.build()23 self.test_exe = self.getBuildArtifact("a.out")24 self.create_corefile = self.getBuildArtifact("create-empty-corefile")25 self.dsym_for_uuid = self.getBuildArtifact("dsym-for-uuid.sh")26 self.corefile = self.getBuildArtifact("core")27 28 ## We can hook in our dsym-for-uuid shell script to lldb with this env29 ## var instead of requiring a defaults write.30 os.environ["LLDB_APPLE_DSYMFORUUID_EXECUTABLE"] = self.dsym_for_uuid31 self.addTearDownHook(32 lambda: os.environ.pop("LLDB_APPLE_DSYMFORUUID_EXECUTABLE", None)33 )34 35 dwarfdump_uuid_regex = re.compile(r"UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*")36 dwarfdump_cmd_output = subprocess.check_output(37 ('/usr/bin/dwarfdump --uuid "%s"' % self.test_exe), shell=True38 ).decode("utf-8")39 aout_uuid = None40 for line in dwarfdump_cmd_output.splitlines():41 match = dwarfdump_uuid_regex.search(line)42 if match:43 aout_uuid = match.group(1)44 self.assertNotEqual(aout_uuid, None, "Could not get uuid of built a.out")45 46 ### Create our dsym-for-uuid shell script which returns self.test_exe47 ### and its dSYM when given self.test_exe's UUID.48 shell_cmds = [49 "#! /bin/sh",50 "ret=0",51 'echo "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>"',52 'echo "<!DOCTYPE plist PUBLIC \\"-//Apple//DTD PLIST 1.0//EN\\" \\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\\">"',53 'echo "<plist version=\\"1.0\\">"',54 "",55 "# the last argument is probably the uuid",56 "while [ $# -gt 1 ]",57 "do",58 " shift",59 "done",60 'echo "<dict><key>$1</key><dict>"',61 "",62 'if [ "$1" = "%s" ]' % aout_uuid,63 "then",64 ' echo "<key>DBGArchitecture</key><string>x86_64</string>"',65 ' echo "<key>DBGDSYMPath</key><string>%s.dSYM/Contents/Resources/DWARF/%s</string>"'66 % (self.test_exe, os.path.basename(self.test_exe)),67 ' echo "<key>DBGSymbolRichExecutable</key><string>%s</string>"'68 % self.test_exe,69 "else",70 ' echo "<key>DBGError</key><string>not found</string>"',71 " ret=1",72 "fi",73 'echo "</dict></dict></plist>"',74 "exit $ret",75 ]76 77 with open(self.dsym_for_uuid, "w") as writer:78 for l in shell_cmds:79 writer.write(l + "\n")80 81 os.chmod(self.dsym_for_uuid, 0o755)82 83 ### Create our corefile84 retcode = call(85 self.create_corefile + " " + self.corefile + " " + self.test_exe, shell=True86 )87 88 ### Now run lldb on the corefile89 ### which will give us a UUID90 ### which we call dsym-for-uuid.sh with91 ### which gives us a binary and dSYM92 ### which lldb should load!93 94 self.target = self.dbg.CreateTarget("")95 err = lldb.SBError()96 self.process = self.target.LoadCore(self.corefile)97 self.assertTrue(self.process.IsValid())98 if self.TraceOn():99 self.runCmd("image list")100 self.assertEqual(self.target.GetNumModules(), 1)101 fspec = self.target.GetModuleAtIndex(0).GetFileSpec()102 filepath = fspec.GetDirectory() + "/" + fspec.GetFilename()103 self.assertEqual(filepath, self.test_exe)104