import lldb from lldbsuite.test.lldbtest import * from lldbsuite.test.decorators import * from lldbsuite.test.gdbclientutils import * from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase class TestGdbClientMemoryRegions(GDBRemoteTestBase): def test(self): """ Test handling of overflowing memory regions. In particular, make sure they don't trigger an infinite loop. """ class MyResponder(MockGDBServerResponder): def qHostInfo(self): return "ptrsize:8;endian:little;" def qMemoryRegionInfo(self, addr): if addr == 0: return "start:0;size:8000000000000000;permissions:rw;" if addr == 0x8000000000000000: return "start:8000000000000000;size:8000000000000000;permissions:r;" self.runCmd("log enable gdb-remote packets") self.runCmd("log enable lldb temp") self.server.responder = MyResponder() target = self.dbg.CreateTarget("") process = self.connect(target) regions = process.GetMemoryRegions() self.assertEqual(regions.GetSize(), 2) region = lldb.SBMemoryRegionInfo() self.assertTrue(regions.GetMemoryRegionAtIndex(0, region)) self.assertEqual(region.GetRegionBase(), 0) self.assertEqual(region.GetRegionEnd(), 0x8000000000000000) self.assertTrue(region.IsWritable()) self.assertTrue(regions.GetMemoryRegionAtIndex(1, region)) self.assertEqual(region.GetRegionBase(), 0x8000000000000000) self.assertEqual(region.GetRegionEnd(), 0xFFFFFFFFFFFFFFFF) self.assertFalse(region.IsWritable())