xref: /llvm-project/lldb/test/API/functionalities/gdb_remote_client/TestNoWatchpointSupportInfo.py (revision fd35a92300a00edaf56ae94176317390677569a4) 
1import lldb
2from lldbsuite.test.lldbtest import *
3from lldbsuite.test.decorators import *
4from lldbsuite.test.gdbclientutils import *
5from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
6
7
8class TestNoWatchpointSupportInfo(GDBRemoteTestBase):
9    @skipIfXmlSupportMissing
10    @skipIfRemote
11    def test(self):
12        """
13        Test lldb's parsing of the <architecture> tag in the target.xml register
14        description packet.
15        """
16
17        class MyResponder(MockGDBServerResponder):
18            def haltReason(self):
19                return "T02thread:1ff0d;thread-pcs:10001bc00;"
20
21            def threadStopInfo(self, threadnum):
22                if threadnum == 0x1FF0D:
23                    return "T02thread:1ff0d;thread-pcs:10001bc00;"
24                return ""
25
26            def setBreakpoint(self, packet):
27                if packet.startswith("Z2,"):
28                    return "OK"
29
30            def qXferRead(self, obj, annex, offset, length):
31                if annex == "target.xml":
32                    return (
33                        """<?xml version="1.0"?>
34                        <target version="1.0">
35                          <architecture>i386:x86-64</architecture>
36                          <feature name="org.gnu.gdb.i386.core">
37                            <reg name="rip" bitsize="64" regnum="0" type="code_ptr" group="general"/>
38                          </feature>
39                        </target>""",
40                        False,
41                    )
42                else:
43                    return None, False
44
45        self.server.responder = MyResponder()
46        if self.TraceOn():
47            self.runCmd("log enable gdb-remote packets")
48            self.addTearDownHook(lambda: self.runCmd("log disable gdb-remote packets"))
49        self.dbg.SetDefaultArchitecture("x86_64")
50        target = self.dbg.CreateTargetWithFileAndArch(None, None)
51
52        process = self.connect(target)
53
54        if self.TraceOn():
55            interp = self.dbg.GetCommandInterpreter()
56            result = lldb.SBCommandReturnObject()
57            interp.HandleCommand("target list", result)
58            print(result.GetOutput())
59
60        err = lldb.SBError()
61        wp_opts = lldb.SBWatchpointOptions()
62        wp_opts.SetWatchpointTypeWrite(lldb.eWatchpointWriteTypeOnModify)
63        wp = target.WatchpointCreateByAddress(0x100, 8, wp_opts, err)
64        if self.TraceOn() and (err.Fail() or not wp.IsValid):
65            strm = lldb.SBStream()
66            err.GetDescription(strm)
67            print("watchpoint failed: %s" % strm.GetData())
68        self.assertTrue(wp.IsValid())
69