Commit my attempt to test the change to ProcessGDBRemote

in r336956.  This test doesn't actually test the change
that was submitted by Venkata, but it's a good one to
add.

llvm-svn: 342085

2 files changed, 52 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestStopPCs.py b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestStopPCs.py
new file mode 100644
index 00000000000..0a3d9a5efc7
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestStopPCs.py
@@ -0,0 +1,44 @@
+from __future__ import print_function
+import lldb
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test.decorators import *
+from gdbclientutils import *
+
+
+class TestThreadSelectionBug(GDBRemoteTestBase):
+    def test(self):
+        class MyResponder(MockGDBServerResponder):
+            def haltReason(self):
+                return "T02thread:1ff0d;threads:1ff0d,2ff0d;thread-pcs:10001bc00,10002bc00;"
+
+            def threadStopInfo(self, threadnum):
+                if threadnum == 0x1ff0d:
+                    return "T02thread:1ff0d;threads:1ff0d,2ff0d;thread-pcs:10001bc00,10002bc00;"
+                if threadnum == 0x2ff0d:
+                    return "T00thread:2ff0d;threads:1ff0d,2ff0d;thread-pcs:10001bc00,10002bc00;"
+
+            def qXferRead(self, obj, annex, offset, length):
+                if annex == "target.xml":
+                    return """<?xml version="1.0"?>
+                        <target version="1.0">
+                          <architecture>i386:x86-64</architecture>
+                          <feature name="org.gnu.gdb.i386.core">
+                            <reg name="rip" bitsize="64" regnum="0" type="code_ptr" group="general"/>
+                          </feature>
+                        </target>""", False
+                else:
+                    return None, False
+
+        self.server.responder = MyResponder()
+        target = self.dbg.CreateTarget('')
+        if self.TraceOn():
+          self.runCmd("log enable gdb-remote packets")
+        process = self.connect(target)
+
+        self.assertEqual(process.GetNumThreads(), 2)
+        th0 = process.GetThreadAtIndex(0)
+        th1 = process.GetThreadAtIndex(1)
+        self.assertEqual(th0.GetThreadID(), 0x1ff0d)
+        self.assertEqual(th1.GetThreadID(), 0x2ff0d)
+        self.assertEqual(th0.GetFrameAtIndex(0).GetPC(), 0x10001bc00)
+        self.assertEqual(th1.GetFrameAtIndex(0).GetPC(), 0x10002bc00)
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/gdbclientutils.py b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/gdbclientutils.py
index b86a0c6bad8..9a81f32403d 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/gdbclientutils.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/gdbclientutils.py
@@ -130,6 +130,8 @@ class MockGDBServerResponder:
             return self.QEnableErrorStrings()
         if packet == "?":
             return self.haltReason()
+        if packet == "s":
+            return self.haltReason()
         if packet[0] == "H":
             return self.selectThread(packet[1], int(packet[2:], 16))
         if packet[0:6] == "qXfer:":
@@ -144,6 +146,9 @@ class MockGDBServerResponder:
             return self.vAttach(int(pid, 16))
         if packet[0] == "Z":
             return self.setBreakpoint(packet)
+        if packet.startswith("qThreadStopInfo"):
+            threadnum = int (packet[15:], 16)
+            return self.threadStopInfo(threadnum)
         return self.other(packet)
 
     def interrupt(self):
@@ -204,6 +209,9 @@ class MockGDBServerResponder:
     def setBreakpoint(self, packet):
         raise self.UnexpectedPacketException()
 
+    def threadStopInfo(self, threadnum):
+        return ""
+
     def other(self, packet):
         # empty string means unsupported
         return ""