[PATCH] store trace default-collect to target [2/6] gdbserver

[Hui Zhu <hui_zhu@mentor.com>]

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Hi,

This patch add support for "QTDDCsrc" and "qTDC" to gdbserver.

Thanks,
Hui

2013-04-11  Hui Zhu  <hui@codesourcery.com>

	* tracepoint.c (default_collect_src, cmd_qtdc, cmd_qtddcsrc): New.
	(handle_tracepoint_general_set): Call cmd_qtddcsrc.
	(handle_tracepoint_query): Call cmd_qtdc.
	(initialize_tracepoint): Initialize default_collect_src.

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--- a/gdbserver/tracepoint.c
+++ b/gdbserver/tracepoint.c
@@ -4120,6 +4120,22 @@ cmd_qtnotes (char *own_buf)
   write_ok (own_buf);
 }
 
+static char *default_collect_src;
+
+static void
+cmd_qtdc (char *packet)
+{
+  sprintf (packet, "DC%s", default_collect_src);
+}
+
+static void
+cmd_qtddcsrc (char *own_buf)
+{
+  xfree (default_collect_src);
+  default_collect_src = xstrdup (own_buf + strlen ("QTDDCsrc:"));
+  write_ok (own_buf);
+}
+
 int
 handle_tracepoint_general_set (char *packet)
 {
@@ -4194,6 +4210,11 @@ handle_tracepoint_general_set (char *pac
       cmd_qtnotes (packet);
       return 1;
     }
+  else if (strncmp ("QTDDCsrc:", packet, strlen ("QTDDCsrc:")) == 0)
+    {
+      cmd_qtddcsrc (packet);
+      return 1;
+    }
 
   return 0;
 }
@@ -4261,6 +4282,11 @@ handle_tracepoint_query (char *packet)
       cmd_qtminftpilen (packet);
       return 1;
     }
+  else if (strcmp ("qTDC", packet) == 0)
+    {
+      cmd_qtdc (packet);
+      return 1;
+    }
 
   return 0;
 }
@@ -7332,5 +7358,7 @@ initialize_tracepoint: mmap'ing jump pad
   strcpy (gdb_trampoline_buffer_error, "No errors reported");
 
   initialize_low_tracepoint ();
+#else
+  default_collect_src = xstrdup ("");
 #endif
 }