Turn the instruction tracing code into pluggable sim objects.

These need to be refined a little still and given parameters.

--HG--
extra : convert_revision : 9a8f5a7bd9dacbebbbd2c235cd890c49a81040d7

1 files changed, 96 insertions, 0 deletions

diff --git a/src/cpu/nativetrace.hh b/src/cpu/nativetrace.hh
new file mode 100644
index 000000000..48395792d
--- /dev/null
+++ b/src/cpu/nativetrace.hh
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Steve Reinhardt
+ *          Nathan Binkert
+ */
+
+#ifndef __NATIVETRACE_HH__
+#define __NATIVETRACE_HH__
+
+#include "base/trace.hh"
+#include "cpu/static_inst.hh"
+#include "sim/host.hh"
+#include "sim/insttracer.hh"
+
+class ThreadContext;
+
+
+namespace Trace {
+
+class NativeTrace;
+
+class NativeTraceRecord : public InstRecord
+{
+  protected:
+    NativeTrace * parent;
+
+    bool
+    checkIntReg(const char * regName, int index, int size);
+
+    bool
+    checkPC(const char * regName, int size);
+
+  public:
+    NativeTraceRecord(NativeTrace * _parent,
+               Tick _when, ThreadContext *_thread,
+               const StaticInstPtr &_staticInst, Addr _pc, bool spec)
+        : InstRecord(_when, _thread, _staticInst, _pc, spec), parent(_parent)
+    {
+    }
+
+    void dump();
+};
+
+class NativeTrace : public InstTracer
+{
+  protected:
+    int fd;
+
+    ListenSocket native_listener;
+
+  public:
+
+    NativeTrace(const std::string & name);
+
+    NativeTraceRecord *
+    getInstRecord(Tick when, ThreadContext *tc,
+            const StaticInstPtr staticInst, Addr pc)
+    {
+        if (tc->misspeculating())
+            return NULL;
+
+        return new NativeTraceRecord(this, when, tc,
+                staticInst, pc, tc->misspeculating());
+    }
+
+    friend class NativeTraceRecord;
+};
+
+/* namespace Trace */ }
+
+#endif // __EXETRACE_HH__