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/*
* Copyright (c) 2006-2009 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: Gabe Black
*/
#ifndef __CPU_NATIVETRACE_HH__
#define __CPU_NATIVETRACE_HH__
#include <unistd.h>
#include <cerrno>
#include "base/socket.hh"
#include "base/trace.hh"
#include "base/types.hh"
#include "cpu/exetrace.hh"
#include "cpu/static_inst.hh"
class ThreadContext;
namespace Trace {
class NativeTrace;
class NativeTraceRecord : public ExeTracerRecord
{
protected:
NativeTrace * parent;
public:
NativeTraceRecord(NativeTrace * _parent,
Tick _when, ThreadContext *_thread,
const StaticInstPtr _staticInst, TheISA::PCState _pc,
const StaticInstPtr _macroStaticInst = NULL)
: ExeTracerRecord(_when, _thread, _staticInst, _pc, _macroStaticInst),
parent(_parent)
{
}
void dump();
};
class NativeTrace : public ExeTracer
{
protected:
int fd;
ListenSocket native_listener;
public:
NativeTrace(const Params *p);
virtual ~NativeTrace() {}
NativeTraceRecord *
getInstRecord(Tick when, ThreadContext *tc,
const StaticInstPtr staticInst, TheISA::PCState pc,
const StaticInstPtr macroStaticInst = NULL)
{
return new NativeTraceRecord(this, when, tc,
staticInst, pc, macroStaticInst);
}
template<class T>
bool
checkReg(const char * regName, T &val, T &realVal)
{
if (val != realVal)
{
DPRINTFN("Register %s should be %#x but is %#x.\n",
regName, realVal, val);
return false;
}
return true;
}
void
read(void *ptr, size_t size)
{
size_t soFar = 0;
while (soFar < size) {
ssize_t res = ::read(fd, (uint8_t *)ptr + soFar, size - soFar);
if (res < 0)
panic("Read call failed! %s\n", strerror(errno));
else
soFar += res;
}
}
virtual void
check(NativeTraceRecord *record) = 0;
};
} // namespace Trace
#endif // __CPU_NATIVETRACE_HH__
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