13d0318a98
See also https://discourse.llvm.org/t/rfc-fixing-incompatibilties-of-the-x-packet-w-r-t-gdb/84288 and https://sourceware.org/pipermail/gdb/2025-January/051705.html
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
import lldb
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from lldbsuite.support import seven
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test.decorators import *
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from lldbsuite.test.gdbclientutils import *
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from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
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class TestReadMemory(GDBRemoteTestBase):
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def test_x_with_prefix(self):
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class MyResponder(MockGDBServerResponder):
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def qSupported(self, client_features):
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# binary-upload+ indicates we use the gdb style of x packets
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return super().qSupported(client_features) + ";binary-upload+"
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def x(self, addr, length):
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return "bfoobar" if addr == 0x1000 else "E01"
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self.server.responder = MyResponder()
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target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64-pc-linux")
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process = self.connect(target)
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error = lldb.SBError()
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self.assertEqual(b"foobar", process.ReadMemory(0x1000, 10, error))
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def test_x_bare(self):
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class MyResponder(MockGDBServerResponder):
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def x(self, addr, length):
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# The OK response indicates we use the old lldb style.
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if addr == 0 and length == 0:
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return "OK"
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return "foobar" if addr == 0x1000 else "E01"
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self.server.responder = MyResponder()
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target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64-pc-linux")
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process = self.connect(target)
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error = lldb.SBError()
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self.assertEqual(b"foobar", process.ReadMemory(0x1000, 10, error))
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def test_m_fallback(self):
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class MyResponder(MockGDBServerResponder):
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def x(self, addr, length):
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# If `x` is unsupported, we should fall back to `m`.
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return ""
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def readMemory(self, addr, length):
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return seven.hexlify("foobar") if addr == 0x1000 else "E01"
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self.server.responder = MyResponder()
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target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64-pc-linux")
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process = self.connect(target)
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error = lldb.SBError()
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self.assertEqual(b"foobar", process.ReadMemory(0x1000, 10, error))
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