107 lines · python
1import lldb2from lldbsuite.test.lldbtest import *3from lldbsuite.test.decorators import *4from lldbsuite.test.gdbclientutils import *5from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase6 7 8class TestPartialGPacket(GDBRemoteTestBase):9 @skipIfXmlSupportMissing10 @skipIfRemote11 def test(self):12 """13 Test GDB remote fallback to 'p' packet when 'g' packet does not include all registers.14 """15 16 class MyResponder(MockGDBServerResponder):17 def qXferRead(self, obj, annex, offset, length):18 if annex == "target.xml":19 return (20 """<?xml version="1.0"?>21 <!DOCTYPE feature SYSTEM "gdb-target.dtd">22 <target>23 <architecture>arm</architecture>24 <feature name="org.gnu.gdb.arm.m-profile">25 <reg name="r0" bitsize="32" type="uint32" group="general"/>26 <reg name="r1" bitsize="32" type="uint32" group="general"/>27 <reg name="r2" bitsize="32" type="uint32" group="general"/>28 <reg name="r3" bitsize="32" type="uint32" group="general"/>29 <reg name="r4" bitsize="32" type="uint32" group="general"/>30 <reg name="r5" bitsize="32" type="uint32" group="general"/>31 <reg name="r6" bitsize="32" type="uint32" group="general"/>32 <reg name="r7" bitsize="32" type="uint32" group="general"/>33 <reg name="r8" bitsize="32" type="uint32" group="general"/>34 <reg name="r9" bitsize="32" type="uint32" group="general"/>35 <reg name="r10" bitsize="32" type="uint32" group="general"/>36 <reg name="r11" bitsize="32" type="uint32" group="general"/>37 <reg name="r12" bitsize="32" type="uint32" group="general"/>38 <reg name="sp" bitsize="32" type="data_ptr" group="general"/>39 <reg name="lr" bitsize="32" type="uint32" group="general"/>40 <reg name="pc" bitsize="32" type="code_ptr" group="general"/>41 <reg name="xpsr" bitsize="32" regnum="25" type="uint32" group="general"/>42 <reg name="MSP" bitsize="32" regnum="26" type="uint32" group="general"/>43 <reg name="PSP" bitsize="32" regnum="27" type="uint32" group="general"/>44 <reg name="PRIMASK" bitsize="32" regnum="28" type="uint32" group="general"/>45 <reg name="BASEPRI" bitsize="32" regnum="29" type="uint32" group="general"/>46 <reg name="FAULTMASK" bitsize="32" regnum="30" type="uint32" group="general"/>47 <reg name="CONTROL" bitsize="32" regnum="31" type="uint32" group="general"/>48 </feature>49 </target>""",50 False,51 )52 else:53 return None, False54 55 def readRegister(self, regnum):56 if regnum == 31:57 return "cdcc8c3f00000000"58 return "E01"59 60 def readRegisters(self):61 return "20000000f8360020001000002fcb0008f8360020a0360020200c0020000000000000000000000000000000000000000000000000b87f0120b7d100082ed2000800000001"62 63 def haltReason(self):64 return "S05"65 66 def qfThreadInfo(self):67 return "mdead"68 69 def qC(self):70 return ""71 72 def qSupported(self, client_supported):73 return "PacketSize=4000;qXfer:memory-map:read-;QStartNoAckMode+;qXfer:threads:read+;hwbreak+;qXfer:features:read+"74 75 def QThreadSuffixSupported(self):76 return "OK"77 78 def QListThreadsInStopReply(self):79 return "OK"80 81 self.server.responder = MyResponder()82 if self.TraceOn():83 self.runCmd("log enable gdb-remote packets")84 self.addTearDownHook(lambda: self.runCmd("log disable gdb-remote packets"))85 86 self.dbg.SetDefaultArchitecture("armv7em")87 target = self.dbg.CreateTargetWithFileAndArch(None, None)88 89 process = self.connect(target)90 91 if self.TraceOn():92 interp = self.dbg.GetCommandInterpreter()93 result = lldb.SBCommandReturnObject()94 interp.HandleCommand("target list", result)95 print(result.GetOutput())96 97 r0_valobj = process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("r0")98 self.assertEqual(r0_valobj.GetValueAsUnsigned(), 0x20)99 100 pc_valobj = process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("pc")101 self.assertEqual(pc_valobj.GetValueAsUnsigned(), 0x0800D22E)102 103 pc_valobj = (104 process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("CONTROL")105 )106 self.assertEqual(pc_valobj.GetValueAsUnsigned(), 0x3F8CCCCD)107