1from __future__ import print_function
2import lldb
3from lldbsuite.test.lldbtest import *
4from lldbsuite.test.decorators import *
5from lldbsuite.test.gdbclientutils import *
6from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
7
8class TestNoWatchpointSupportInfo(GDBRemoteTestBase):
9
10    mydir = TestBase.compute_mydir(__file__)
11
12    @skipIfXmlSupportMissing
13    @skipIfRemote
14    def test(self):
15        """
16        Test lldb's parsing of the <architecture> tag in the target.xml register
17        description packet.
18        """
19        class MyResponder(MockGDBServerResponder):
20
21            def haltReason(self):
22                return "T02thread:1ff0d;thread-pcs:10001bc00;"
23
24            def threadStopInfo(self, threadnum):
25                if threadnum == 0x1ff0d:
26                    return "T02thread:1ff0d;thread-pcs:10001bc00;"
27                return ""
28
29            def setBreakpoint(self, packet):
30                if packet.startswith("Z2,"):
31                    return "OK"
32
33            def qXferRead(self, obj, annex, offset, length):
34                if annex == "target.xml":
35                    return """<?xml version="1.0"?>
36                        <target version="1.0">
37                          <architecture>i386:x86-64</architecture>
38                          <feature name="org.gnu.gdb.i386.core">
39                            <reg name="rip" bitsize="64" regnum="0" type="code_ptr" group="general"/>
40                          </feature>
41                        </target>""", False
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(
49                lambda: self.runCmd("log disable gdb-remote packets"))
50        self.dbg.SetDefaultArchitecture("x86_64")
51        target = self.dbg.CreateTargetWithFileAndArch(None, None)
52
53        process = self.connect(target)
54
55        if self.TraceOn():
56            interp = self.dbg.GetCommandInterpreter()
57            result = lldb.SBCommandReturnObject()
58            interp.HandleCommand("target list", result)
59            print(result.GetOutput())
60
61
62        err = lldb.SBError()
63        wp = target.WatchAddress(0x100, 8, False, True, err)
64        if self.TraceOn() and (err.Fail() or wp.IsValid == False):
65            strm = lldb.SBStream()
66            err.GetDescription(strm)
67            print("watchpoint failed: %s" % strm.GetData())
68        self.assertTrue(wp.IsValid())
69
70