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/*
* 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
* Lisa Hsu
* Nathan Binkert
* Steve Raasch
*/
#include <iomanip>
#include "arch/isa_traits.hh"
#include "arch/utility.hh"
#include "base/loader/symtab.hh"
#include "config/the_isa.hh"
#include "cpu/base.hh"
#include "cpu/exetrace.hh"
#include "cpu/static_inst.hh"
#include "cpu/thread_context.hh"
#include "debug/ExecAll.hh"
#include "enums/OpClass.hh"
using namespace std;
using namespace TheISA;
namespace Trace {
void
ExeTracerRecord::dumpTicks(ostream &outs)
{
ccprintf(outs, "%7d: ", when);
}
void
Trace::ExeTracerRecord::traceInst(const StaticInstPtr &inst, bool ran)
{
ostream &outs = Trace::output();
if (!Debug::ExecUser || !Debug::ExecKernel) {
bool in_user_mode = TheISA::inUserMode(thread);
if (in_user_mode && !Debug::ExecUser) return;
if (!in_user_mode && !Debug::ExecKernel) return;
}
if (Debug::ExecTicks)
dumpTicks(outs);
outs << thread->getCpuPtr()->name() << " ";
if (Debug::ExecAsid)
outs << "A" << dec << TheISA::getExecutingAsid(thread) << " ";
if (Debug::ExecThread)
outs << "T" << thread->threadId() << " : ";
std::string sym_str;
Addr sym_addr;
Addr cur_pc = pc.instAddr();
if (debugSymbolTable && Debug::ExecSymbol &&
(!FullSystem || !inUserMode(thread)) &&
debugSymbolTable->findNearestSymbol(cur_pc, sym_str, sym_addr)) {
if (cur_pc != sym_addr)
sym_str += csprintf("+%d",cur_pc - sym_addr);
outs << "@" << sym_str;
} else {
outs << "0x" << hex << cur_pc;
}
if (inst->isMicroop()) {
outs << "." << setw(2) << dec << pc.microPC();
} else {
outs << " ";
}
outs << " : ";
//
// Print decoded instruction
//
outs << setw(26) << left;
outs << inst->disassemble(cur_pc, debugSymbolTable);
if (ran) {
outs << " : ";
if (Debug::ExecOpClass) {
outs << Enums::OpClassStrings[inst->opClass()] << " : ";
}
if (Debug::ExecResult && !predicate) {
outs << "Predicated False";
}
if (Debug::ExecResult && data_status != DataInvalid) {
ccprintf(outs, " D=%#018x", data.as_int);
}
if (Debug::ExecEffAddr && getMemValid())
outs << " A=0x" << hex << addr;
if (Debug::ExecFetchSeq && fetch_seq_valid)
outs << " FetchSeq=" << dec << fetch_seq;
if (Debug::ExecCPSeq && cp_seq_valid)
outs << " CPSeq=" << dec << cp_seq;
if (Debug::ExecFlags) {
outs << " flags=(";
inst->printFlags(outs, "|");
outs << ")";
}
}
//
// End of line...
//
outs << endl;
}
void
Trace::ExeTracerRecord::dump()
{
/*
* The behavior this check tries to achieve is that if ExecMacro is on,
* the macroop will be printed. If it's on and microops are also on, it's
* printed before the microops start printing to give context. If the
* microops aren't printed, then it's printed only when the final microop
* finishes. Macroops then behave like regular instructions and don't
* complete/print when they fault.
*/
if (Debug::ExecMacro && staticInst->isMicroop() &&
((Debug::ExecMicro &&
macroStaticInst && staticInst->isFirstMicroop()) ||
(!Debug::ExecMicro &&
macroStaticInst && staticInst->isLastMicroop()))) {
traceInst(macroStaticInst, false);
}
if (Debug::ExecMicro || !staticInst->isMicroop()) {
traceInst(staticInst, true);
}
}
} // namespace Trace
////////////////////////////////////////////////////////////////////////
//
// ExeTracer Simulation Object
//
Trace::ExeTracer *
ExeTracerParams::create()
{
return new Trace::ExeTracer(this);
}
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