import bz2 import shutil import struct import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil @skipIfFBSDVMCoreSupportMissing class FreeBSDKernelVMCoreTestCase(TestBase): NO_DEBUG_INFO_TESTCASE = True maxDiff = None def make_target(self, src_filename): src = self.getSourcePath(src_filename) dest = self.getBuildArtifact("kernel") self.yaml2obj(src, dest, max_size=30 * 1024 * 1024) return self.dbg.CreateTarget(dest) def make_vmcore(self, src_filename): src = self.getSourcePath(src_filename) dest = self.getBuildArtifact("vmcore") with bz2.open(src, "rb") as inf: with open(dest, "wb") as outf: shutil.copyfileobj(inf, outf) return dest def do_test(self, kernel_yaml, vmcore_bz2, numthread, threads={}, hz=100): target = self.make_target(kernel_yaml) vmcore_file = self.make_vmcore(vmcore_bz2) process = target.LoadCore(vmcore_file) self.assertTrue(process, PROCESS_IS_VALID) self.assertEqual(process.GetNumThreads(), numthread) self.assertEqual(process.GetProcessID(), 0) # test memory reading self.expect("expr -- *(int *) &hz", substrs=["(int) $0 = %d" % hz]) main_mod = target.GetModuleAtIndex(0) hz_addr = main_mod.FindSymbols("hz")[0].symbol.addr.GetLoadAddress(target) error = lldb.SBError() self.assertEqual(process.ReadMemory(hz_addr, 4, error), struct.pack("