[Lldb-commits] [lldb] r208052 - Add GetxPacketSupported to test if the 'x' packet is supported.

[Jason Molenda]

Author: jmolenda
Date: Mon May  5 21:59:39 2014
New Revision: 208052

URL: http://llvm.org/viewvc/llvm-project?rev=208052&view=rev
Log:
Add GetxPacketSupported to test if the 'x' packet is supported.
<rdar://problem/16032150> 

Modified:
    lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
    lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h

Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp?rev=208052&r1=208051&r2=208052&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp Mon May  5 21:59:39 2014
@@ -67,6 +67,7 @@ GDBRemoteCommunicationClient::GDBRemoteC
     m_attach_or_wait_reply(eLazyBoolCalculate),
     m_prepare_for_reg_writing_reply (eLazyBoolCalculate),
     m_supports_p (eLazyBoolCalculate),
+    m_supports_x (eLazyBoolCalculate),
     m_avoid_g_packets (eLazyBoolCalculate),
     m_supports_QSaveRegisterState (eLazyBoolCalculate),
     m_supports_qXfer_auxv_read (eLazyBoolCalculate),
@@ -304,6 +305,7 @@ GDBRemoteCommunicationClient::ResetDisco
     m_supports_vCont_s = eLazyBoolCalculate;
     m_supports_vCont_S = eLazyBoolCalculate;
     m_supports_p = eLazyBoolCalculate;
+    m_supports_x = eLazyBoolCalculate;
     m_supports_QSaveRegisterState = eLazyBoolCalculate;
     m_qHostInfo_is_valid = eLazyBoolCalculate;
     m_qProcessInfo_is_valid = eLazyBoolCalculate;
@@ -490,6 +492,24 @@ GDBRemoteCommunicationClient::GetpPacket
     return m_supports_p;
 }
 
+bool
+GDBRemoteCommunicationClient::GetxPacketSupported ()
+{
+    if (m_supports_x == eLazyBoolCalculate)
+    {
+        StringExtractorGDBRemote response;
+        m_supports_x = eLazyBoolNo;
+        char packet[256];
+        snprintf (packet, sizeof (packet), "x0,0");
+        if (SendPacketAndWaitForResponse(packet, response, false) == PacketResult::Success)
+        {
+            if (response.IsOKResponse())
+                m_supports_x = eLazyBoolYes;
+        }
+    }
+    return m_supports_x;
+}
+
 GDBRemoteCommunicationClient::PacketResult
 GDBRemoteCommunicationClient::SendPacketsAndConcatenateResponses
 (

Modified: lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h?rev=208052&r1=208051&r2=208052&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h Mon May  5 21:59:39 2014
@@ -283,6 +283,9 @@ public:
     GetpPacketSupported (lldb::tid_t tid);
 
     bool
+    GetxPacketSupported ();
+
+    bool
     GetVAttachOrWaitSupported ();
     
     bool
@@ -544,6 +547,7 @@ protected:
     lldb_private::LazyBool m_attach_or_wait_reply;
     lldb_private::LazyBool m_prepare_for_reg_writing_reply;
     lldb_private::LazyBool m_supports_p;
+    lldb_private::LazyBool m_supports_x;
     lldb_private::LazyBool m_avoid_g_packets;
     lldb_private::LazyBool m_supports_QSaveRegisterState;
     lldb_private::LazyBool m_supports_qXfer_auxv_read;