| from __future__ import print_function |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test.decorators import * |
| from gdbclientutils import * |
| |
| |
| class TestPartialGPacket(GDBRemoteTestBase): |
| |
| @skipIfXmlSupportMissing |
| @skipIfRemote |
| def test(self): |
| """ |
| Test GDB remote fallback to 'p' packet when 'g' packet does not include all registers. |
| """ |
| class MyResponder(MockGDBServerResponder): |
| |
| def qXferRead(self, obj, annex, offset, length): |
| if annex == "target.xml": |
| return """<?xml version="1.0"?> |
| <!DOCTYPE feature SYSTEM "gdb-target.dtd"> |
| <target> |
| <architecture>arm</architecture> |
| <feature name="org.gnu.gdb.arm.m-profile"> |
| <reg name="r0" bitsize="32" type="uint32" group="general"/> |
| <reg name="r1" bitsize="32" type="uint32" group="general"/> |
| <reg name="r2" bitsize="32" type="uint32" group="general"/> |
| <reg name="r3" bitsize="32" type="uint32" group="general"/> |
| <reg name="r4" bitsize="32" type="uint32" group="general"/> |
| <reg name="r5" bitsize="32" type="uint32" group="general"/> |
| <reg name="r6" bitsize="32" type="uint32" group="general"/> |
| <reg name="r7" bitsize="32" type="uint32" group="general"/> |
| <reg name="r8" bitsize="32" type="uint32" group="general"/> |
| <reg name="r9" bitsize="32" type="uint32" group="general"/> |
| <reg name="r10" bitsize="32" type="uint32" group="general"/> |
| <reg name="r11" bitsize="32" type="uint32" group="general"/> |
| <reg name="r12" bitsize="32" type="uint32" group="general"/> |
| <reg name="sp" bitsize="32" type="data_ptr" group="general"/> |
| <reg name="lr" bitsize="32" type="uint32" group="general"/> |
| <reg name="pc" bitsize="32" type="code_ptr" group="general"/> |
| <reg name="xpsr" bitsize="32" regnum="25" type="uint32" group="general"/> |
| <reg name="MSP" bitsize="32" regnum="26" type="uint32" group="general"/> |
| <reg name="PSP" bitsize="32" regnum="27" type="uint32" group="general"/> |
| <reg name="PRIMASK" bitsize="32" regnum="28" type="uint32" group="general"/> |
| <reg name="BASEPRI" bitsize="32" regnum="29" type="uint32" group="general"/> |
| <reg name="FAULTMASK" bitsize="32" regnum="30" type="uint32" group="general"/> |
| <reg name="CONTROL" bitsize="32" regnum="31" type="uint32" group="general"/> |
| </feature> |
| </target>""", False |
| else: |
| return None, False |
| |
| def readRegister(self, regnum): |
| if regnum == 31: |
| return "cdcc8c3f00000000" |
| return "E01" |
| |
| def readRegisters(self): |
| return "20000000f8360020001000002fcb0008f8360020a0360020200c0020000000000000000000000000000000000000000000000000b87f0120b7d100082ed2000800000001" |
| |
| def haltReason(self): |
| return "S05" |
| |
| def qfThreadInfo(self): |
| return "mdead" |
| |
| def qC(self): |
| return "" |
| |
| def qSupported(self, client_supported): |
| return "PacketSize=4000;qXfer:memory-map:read-;QStartNoAckMode+;qXfer:threads:read+;hwbreak+;qXfer:features:read+" |
| |
| def QThreadSuffixSupported(self): |
| return "OK" |
| |
| def QListThreadsInStopReply(self): |
| return "OK" |
| |
| self.server.responder = MyResponder() |
| if self.TraceOn(): |
| self.runCmd("log enable gdb-remote packets") |
| self.addTearDownHook( |
| lambda: self.runCmd("log disable gdb-remote packets")) |
| |
| self.dbg.SetDefaultArchitecture("armv7em") |
| target = self.dbg.CreateTargetWithFileAndArch(None, None) |
| |
| process = self.connect(target) |
| |
| if self.TraceOn(): |
| interp = self.dbg.GetCommandInterpreter() |
| result = lldb.SBCommandReturnObject() |
| interp.HandleCommand("target list", result) |
| print(result.GetOutput()) |
| |
| r0_valobj = process.GetThreadAtIndex( |
| 0).GetFrameAtIndex(0).FindRegister("r0") |
| self.assertEqual(r0_valobj.GetValueAsUnsigned(), 0x20) |
| |
| pc_valobj = process.GetThreadAtIndex( |
| 0).GetFrameAtIndex(0).FindRegister("pc") |
| self.assertEqual(pc_valobj.GetValueAsUnsigned(), 0x0800d22e) |
| |
| pc_valobj = process.GetThreadAtIndex( |
| 0).GetFrameAtIndex(0).FindRegister("CONTROL") |
| self.assertEqual(pc_valobj.GetValueAsUnsigned(), 0x3f8ccccd) |
