| import lldb |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.gdbclientutils import * |
| from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase |
| |
| |
| class TestMemoryRegionDirtyPages(GDBRemoteTestBase): |
| @skipIfXmlSupportMissing |
| def test(self): |
| class MyResponder(MockGDBServerResponder): |
| def qHostInfo(self): |
| return "ptrsize:8;endian:little;vm-page-size:4096;" |
| |
| def qMemoryRegionInfo(self, addr): |
| if addr == 0: |
| return "start:0;size:100000000;" |
| if addr == 0x100000000: |
| return "start:100000000;size:4000;permissions:rx;dirty-pages:;" |
| if addr == 0x100004000: |
| return ( |
| "start:100004000;size:4000;permissions:r;dirty-pages:100004000;" |
| ) |
| if addr == 0x1000A2000: |
| return "start:1000a2000;size:5000;permissions:r;dirty-pages:1000a2000,1000a3000,1000a4000,1000a5000,1000a6000;" |
| |
| self.server.responder = MyResponder() |
| target = self.dbg.CreateTarget("") |
| if self.TraceOn(): |
| self.runCmd("log enable gdb-remote packets") |
| self.addTearDownHook(lambda: self.runCmd("log disable gdb-remote packets")) |
| process = self.connect(target) |
| |
| # A memory region where we don't know anything about dirty pages |
| region = lldb.SBMemoryRegionInfo() |
| err = process.GetMemoryRegionInfo(0, region) |
| self.assertSuccess(err) |
| self.assertFalse(region.HasDirtyMemoryPageList()) |
| self.assertEqual(region.GetNumDirtyPages(), 0) |
| region.Clear() |
| |
| # A memory region with dirty page information -- and zero dirty pages |
| err = process.GetMemoryRegionInfo(0x100000000, region) |
| self.assertSuccess(err) |
| self.assertTrue(region.HasDirtyMemoryPageList()) |
| self.assertEqual(region.GetNumDirtyPages(), 0) |
| self.assertEqual(region.GetPageSize(), 4096) |
| region.Clear() |
| |
| # A memory region with one dirty page |
| err = process.GetMemoryRegionInfo(0x100004000, region) |
| self.assertSuccess(err) |
| self.assertTrue(region.HasDirtyMemoryPageList()) |
| self.assertEqual(region.GetNumDirtyPages(), 1) |
| self.assertEqual(region.GetDirtyPageAddressAtIndex(0), 0x100004000) |
| region.Clear() |
| |
| # A memory region with multple dirty pages |
| err = process.GetMemoryRegionInfo(0x1000A2000, region) |
| self.assertSuccess(err) |
| self.assertTrue(region.HasDirtyMemoryPageList()) |
| self.assertEqual(region.GetNumDirtyPages(), 5) |
| self.assertEqual(region.GetDirtyPageAddressAtIndex(4), 0x1000A6000) |
| region.Clear() |
