103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
"""Test that corefiles with an LC_NOTE "kern ver str" load command is used."""
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import os
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import re
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import subprocess
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class TestKernVerStrLCNOTE(TestBase):
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@skipIf(
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debug_info=no_match(["dsym"]),
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bugnumber="This test is looking explicitly for a dSYM",
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)
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@skipIf(archs=no_match(["x86_64"]))
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@skipUnlessDarwin
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def test_lc_note(self):
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self.build()
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self.test_exe = self.getBuildArtifact("a.out")
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self.create_corefile = self.getBuildArtifact("create-empty-corefile")
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self.dsym_for_uuid = self.getBuildArtifact("dsym-for-uuid.sh")
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self.corefile = self.getBuildArtifact("core")
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## We can hook in our dsym-for-uuid shell script to lldb with this env
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## var instead of requiring a defaults write.
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os.environ["LLDB_APPLE_DSYMFORUUID_EXECUTABLE"] = self.dsym_for_uuid
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self.addTearDownHook(
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lambda: os.environ.pop("LLDB_APPLE_DSYMFORUUID_EXECUTABLE", None)
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)
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dwarfdump_uuid_regex = re.compile("UUID: ([-0-9a-fA-F]+) \(([^\(]+)\) .*")
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dwarfdump_cmd_output = subprocess.check_output(
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('/usr/bin/dwarfdump --uuid "%s"' % self.test_exe), shell=True
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).decode("utf-8")
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aout_uuid = None
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for line in dwarfdump_cmd_output.splitlines():
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match = dwarfdump_uuid_regex.search(line)
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if match:
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aout_uuid = match.group(1)
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self.assertNotEqual(aout_uuid, None, "Could not get uuid of built a.out")
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### Create our dsym-for-uuid shell script which returns self.test_exe
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### and its dSYM when given self.test_exe's UUID.
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shell_cmds = [
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"#! /bin/sh",
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"ret=0",
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'echo "<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?>"',
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'echo "<!DOCTYPE plist PUBLIC \\"-//Apple//DTD PLIST 1.0//EN\\" \\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\\">"',
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'echo "<plist version=\\"1.0\\">"',
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"",
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"# the last argument is probably the uuid",
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"while [ $# -gt 1 ]",
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"do",
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" shift",
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"done",
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'echo "<dict><key>$1</key><dict>"',
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"",
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'if [ "$1" = "%s" ]' % aout_uuid,
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"then",
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' echo "<key>DBGArchitecture</key><string>x86_64</string>"',
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' echo "<key>DBGDSYMPath</key><string>%s.dSYM/Contents/Resources/DWARF/%s</string>"'
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% (self.test_exe, os.path.basename(self.test_exe)),
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' echo "<key>DBGSymbolRichExecutable</key><string>%s</string>"'
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% self.test_exe,
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"else",
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' echo "<key>DBGError</key><string>not found</string>"',
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" ret=1",
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"fi",
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'echo "</dict></dict></plist>"',
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"exit $ret",
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]
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with open(self.dsym_for_uuid, "w") as writer:
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for l in shell_cmds:
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writer.write(l + "\n")
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os.chmod(self.dsym_for_uuid, 0o755)
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### Create our corefile
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retcode = call(
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self.create_corefile + " " + self.corefile + " " + self.test_exe, shell=True
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)
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### Now run lldb on the corefile
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### which will give us a UUID
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### which we call dsym-for-uuid.sh with
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### which gives us a binary and dSYM
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### which lldb should load!
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self.target = self.dbg.CreateTarget("")
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err = lldb.SBError()
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self.process = self.target.LoadCore(self.corefile)
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self.assertEqual(self.process.IsValid(), True)
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if self.TraceOn():
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self.runCmd("image list")
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self.assertEqual(self.target.GetNumModules(), 1)
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fspec = self.target.GetModuleAtIndex(0).GetFileSpec()
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filepath = fspec.GetDirectory() + "/" + fspec.GetFilename()
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self.assertEqual(filepath, self.test_exe)
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