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import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
from lldbsuite.test.gdbclientutils import *
from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
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)
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