merge

src/arch/sparc/SConscript

@@ -35,11 +35,14 @@ if env['TARGET_ISA'] == 'sparc':
     Source('asi.cc')
     Source('faults.cc')
     Source('isa.cc')
+    Source('nativetrace.cc')
     Source('pagetable.cc')
     Source('remote_gdb.cc')
     Source('tlb.cc')
     Source('utility.cc')
 
+    SimObject('SparcNativeTrace.py')
+
     SimObject('SparcTLB.py')
     TraceFlag('Sparc', "Generic SPARC ISA stuff")
     TraceFlag('RegisterWindows', "Register window manipulation")

src/arch/sparc/SparcNativeTrace.py

@@ -0,0 +1,35 @@
+# Copyright (c) 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from NativeTrace import NativeTrace
+
+class SparcNativeTrace(NativeTrace):
+    type = 'SparcNativeTrace'
+    cxx_class = 'Trace::SparcNativeTrace'

src/arch/sparc/nativetrace.cc

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2006 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
+ */
+
+#include "arch/sparc/isa_traits.hh"
+#include "arch/sparc/registers.hh"
+#include "arch/sparc/nativetrace.hh"
+#include "cpu/thread_context.hh"
+#include "params/SparcNativeTrace.hh"
+
+namespace Trace {
+
+static char *intRegNames[SparcISA::NumIntArchRegs] = {
+    //Global registers
+    "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+    //Output registers
+    "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
+    //Local registers
+    "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
+    //Input registers
+    "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
+};
+
+void
+Trace::SparcNativeTrace::check(NativeTraceRecord *record)
+{
+    ThreadContext *tc = record->getThread();
+
+    uint64_t regVal, realRegVal;
+
+    // Integer registers
+
+    // I doubt a real SPARC will describe more integer registers than this.
+    assert(SparcISA::NumIntArchRegs == 32);
+    char **regName = intRegNames;
+    for (int i = 0; i < SparcISA::NumIntArchRegs; i++) {
+        regVal = tc->readIntReg(i);
+        read(&realRegVal, sizeof(realRegVal));
+        realRegVal = SparcISA::gtoh(realRegVal);
+        checkReg(*(regName++), regVal, realRegVal);
+    }
+
+    // PC
+    read(&realRegVal, sizeof(realRegVal));
+    realRegVal = SparcISA::gtoh(realRegVal);
+    regVal = tc->readNextPC();
+    checkReg("pc", regVal, realRegVal);
+
+    // NPC
+    read(&realRegVal, sizeof(realRegVal));
+    realRegVal = SparcISA::gtoh(realRegVal);
+    regVal = tc->readNextNPC();
+    checkReg("npc", regVal, realRegVal);
+
+    // CCR
+    read(&realRegVal, sizeof(realRegVal));
+    realRegVal = SparcISA::gtoh(realRegVal);
+    regVal = tc->readIntReg(SparcISA::NumIntArchRegs + 2);
+    checkReg("ccr", regVal, realRegVal);
+}
+
+} /* namespace Trace */
+
+////////////////////////////////////////////////////////////////////////
+//
+//  ExeTracer Simulation Object
+//
+Trace::SparcNativeTrace *
+SparcNativeTraceParams::create()
+{
+    return new Trace::SparcNativeTrace(this);
+};

src/arch/sparc/nativetrace.hh

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2006 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 __ARCH_SPARC_NATIVETRACE_HH__
+#define __ARCH_SPARC_NATIVETRACE_HH__
+
+#include "base/types.hh"
+#include "cpu/nativetrace.hh"
+
+class ThreadContext;
+
+namespace Trace {
+
+class SparcNativeTrace : public NativeTrace
+{
+  public:
+    SparcNativeTrace(const Params *p) : NativeTrace(p)
+    {}
+
+    void check(NativeTraceRecord *record);
+};
+
+} /* namespace Trace */
+
+#endif // __CPU_NATIVETRACE_HH__

src/arch/x86/SConscript

@@ -95,6 +95,7 @@ if env['TARGET_ISA'] == 'x86':
     Source('insts/microregop.cc')
     Source('insts/static_inst.cc')
     Source('isa.cc')
+    Source('nativetrace.cc')
     Source('pagetable.cc')
     Source('predecoder.cc')
     Source('predecoder_tables.cc')
@@ -102,6 +103,8 @@ if env['TARGET_ISA'] == 'x86':
     Source('tlb.cc')
     Source('utility.cc')
 
+    SimObject('X86NativeTrace.py')
+
     SimObject('X86TLB.py')
     TraceFlag('Predecoder', "Predecoder debug output")
     TraceFlag('X86', "Generic X86 ISA debugging")

src/arch/x86/X86NativeTrace.py

@@ -0,0 +1,35 @@
+# Copyright (c) 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
+
+from m5.SimObject import SimObject
+from m5.params import *
+from NativeTrace import NativeTrace
+
+class X86NativeTrace(NativeTrace):
+    type = 'X86NativeTrace'
+    cxx_class = 'Trace::X86NativeTrace'

src/arch/x86/miscregs.hh

@@ -374,6 +374,17 @@ namespace X86ISA
         MISCREG_X87_TOP =
             MISCREG_SEG_ATTR_BASE + NUM_SEGMENTREGS,
 
+        MISCREG_MXCSR,
+        MISCREG_FCW,
+        MISCREG_FSW,
+        MISCREG_FTW,
+        MISCREG_FTAG,
+        MISCREG_FISEG,
+        MISCREG_FIOFF,
+        MISCREG_FOSEG,
+        MISCREG_FOOFF,
+        MISCREG_FOP,
+
         //XXX Add "Model-Specific Registers"
 
         MISCREG_APIC_BASE,

src/arch/x86/nativetrace.cc

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2007-2009 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
+ */
+
+#include "arch/x86/isa_traits.hh"
+#include "arch/x86/floatregs.hh"
+#include "arch/x86/intregs.hh"
+#include "arch/x86/nativetrace.hh"
+#include "cpu/thread_context.hh"
+#include "params/X86NativeTrace.hh"
+
+namespace Trace {
+
+void
+X86NativeTrace::ThreadState::update(NativeTrace *parent)
+{
+    parent->read(this, sizeof(*this));
+    rax = X86ISA::gtoh(rax);
+    rcx = X86ISA::gtoh(rcx);
+    rdx = X86ISA::gtoh(rdx);
+    rbx = X86ISA::gtoh(rbx);
+    rsp = X86ISA::gtoh(rsp);
+    rbp = X86ISA::gtoh(rbp);
+    rsi = X86ISA::gtoh(rsi);
+    rdi = X86ISA::gtoh(rdi);
+    r8 = X86ISA::gtoh(r8);
+    r9 = X86ISA::gtoh(r9);
+    r10 = X86ISA::gtoh(r10);
+    r11 = X86ISA::gtoh(r11);
+    r12 = X86ISA::gtoh(r12);
+    r13 = X86ISA::gtoh(r13);
+    r14 = X86ISA::gtoh(r14);
+    r15 = X86ISA::gtoh(r15);
+    rip = X86ISA::gtoh(rip);
+    //This should be expanded if x87 registers are considered
+    for (int i = 0; i < 8; i++)
+        mmx[i] = X86ISA::gtoh(mmx[i]);
+    for (int i = 0; i < 32; i++)
+        xmm[i] = X86ISA::gtoh(xmm[i]);
+}
+
+void
+X86NativeTrace::ThreadState::update(ThreadContext *tc)
+{
+    rax = tc->readIntReg(X86ISA::INTREG_RAX);
+    rcx = tc->readIntReg(X86ISA::INTREG_RCX);
+    rdx = tc->readIntReg(X86ISA::INTREG_RDX);
+    rbx = tc->readIntReg(X86ISA::INTREG_RBX);
+    rsp = tc->readIntReg(X86ISA::INTREG_RSP);
+    rbp = tc->readIntReg(X86ISA::INTREG_RBP);
+    rsi = tc->readIntReg(X86ISA::INTREG_RSI);
+    rdi = tc->readIntReg(X86ISA::INTREG_RDI);
+    r8 = tc->readIntReg(X86ISA::INTREG_R8);
+    r9 = tc->readIntReg(X86ISA::INTREG_R9);
+    r10 = tc->readIntReg(X86ISA::INTREG_R10);
+    r11 = tc->readIntReg(X86ISA::INTREG_R11);
+    r12 = tc->readIntReg(X86ISA::INTREG_R12);
+    r13 = tc->readIntReg(X86ISA::INTREG_R13);
+    r14 = tc->readIntReg(X86ISA::INTREG_R14);
+    r15 = tc->readIntReg(X86ISA::INTREG_R15);
+    rip = tc->readNextPC();
+    //This should be expanded if x87 registers are considered
+    for (int i = 0; i < 8; i++)
+        mmx[i] = tc->readFloatRegBits(X86ISA::FLOATREG_MMX(i));
+    for (int i = 0; i < 32; i++)
+        xmm[i] = tc->readFloatRegBits(X86ISA::FLOATREG_XMM_BASE + i);
+}
+
+
+X86NativeTrace::X86NativeTrace(const Params *p)
+    : NativeTrace(p)
+{
+    checkRcx = true;
+    checkR11 = true;
+}
+
+bool
+X86NativeTrace::checkRcxReg(const char * name, uint64_t &mVal, uint64_t &nVal)
+{
+    if(!checkRcx)
+        checkRcx = (mVal != oldRcxVal || nVal != oldRealRcxVal);
+    if(checkRcx)
+        return checkReg(name, mVal, nVal);
+    return true;
+}
+
+bool
+X86NativeTrace::checkR11Reg(const char * name, uint64_t &mVal, uint64_t &nVal)
+{
+    if(!checkR11)
+        checkR11 = (mVal != oldR11Val || nVal != oldRealR11Val);
+    if(checkR11)
+        return checkReg(name, mVal, nVal);
+    return true;
+}
+
+bool
+X86NativeTrace::checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[])
+{
+    if (mXmmBuf[num * 2]     != nXmmBuf[num * 2] ||
+        mXmmBuf[num * 2 + 1] != nXmmBuf[num * 2 + 1]) {
+        DPRINTF(ExecRegDelta,
+                "Register xmm%d should be 0x%016x%016x but is 0x%016x%016x.\n",
+                num, nXmmBuf[num * 2 + 1], nXmmBuf[num * 2],
+                     mXmmBuf[num * 2 + 1], mXmmBuf[num * 2]);
+        return false;
+    }
+    return true;
+}
+
+void
+X86NativeTrace::check(NativeTraceRecord *record)
+{
+    nState.update(this);
+    mState.update(record->getThread());
+
+    if(record->getStaticInst()->isSyscall())
+    {
+        checkRcx = false;
+        checkR11 = false;
+        oldRcxVal = mState.rcx;
+        oldRealRcxVal = nState.rcx;
+        oldR11Val = mState.r11;
+        oldRealR11Val = nState.r11;
+    }
+
+    checkReg("rax", mState.rax, nState.rax);
+    checkRcxReg("rcx", mState.rcx, nState.rcx);
+    checkReg("rdx", mState.rdx, nState.rdx);
+    checkReg("rbx", mState.rbx, nState.rbx);
+    checkReg("rsp", mState.rsp, nState.rsp);
+    checkReg("rbp", mState.rbp, nState.rbp);
+    checkReg("rsi", mState.rsi, nState.rsi);
+    checkReg("rdi", mState.rdi, nState.rdi);
+    checkReg("r8",  mState.r8,  nState.r8);
+    checkReg("r9",  mState.r9,  nState.r9);
+    checkReg("r10", mState.r10, nState.r10);
+    checkR11Reg("r11", mState.r11, nState.r11);
+    checkReg("r12", mState.r12, nState.r12);
+    checkReg("r13", mState.r13, nState.r13);
+    checkReg("r14", mState.r14, nState.r14);
+    checkReg("r15", mState.r15, nState.r15);
+    checkReg("rip", mState.rip, nState.rip);
+    checkXMM(0, mState.xmm, nState.xmm);
+    checkXMM(1, mState.xmm, nState.xmm);
+    checkXMM(2, mState.xmm, nState.xmm);
+    checkXMM(3, mState.xmm, nState.xmm);
+    checkXMM(4, mState.xmm, nState.xmm);
+    checkXMM(5, mState.xmm, nState.xmm);
+    checkXMM(6, mState.xmm, nState.xmm);
+    checkXMM(7, mState.xmm, nState.xmm);
+    checkXMM(8, mState.xmm, nState.xmm);
+    checkXMM(9, mState.xmm, nState.xmm);
+    checkXMM(10, mState.xmm, nState.xmm);
+    checkXMM(11, mState.xmm, nState.xmm);
+    checkXMM(12, mState.xmm, nState.xmm);
+    checkXMM(13, mState.xmm, nState.xmm);
+    checkXMM(14, mState.xmm, nState.xmm);
+    checkXMM(15, mState.xmm, nState.xmm);
+}
+
+} /* namespace Trace */
+
+////////////////////////////////////////////////////////////////////////
+//
+//  ExeTracer Simulation Object
+//
+Trace::X86NativeTrace *
+X86NativeTraceParams::create()
+{
+    return new Trace::X86NativeTrace(this);
+};

src/arch/x86/nativetrace.hh

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2007-2009 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 __ARCH_X86_NATIVETRACE_HH__
+#define __ARCH_X86_NATIVETRACE_HH__
+
+#include "base/types.hh"
+#include "cpu/nativetrace.hh"
+
+class ThreadContext;
+
+namespace Trace {
+
+class X86NativeTrace : public NativeTrace
+{
+  protected:
+    bool checkRcx;
+    bool checkR11;
+    uint64_t oldRcxVal, oldR11Val;
+    uint64_t oldRealRcxVal, oldRealR11Val;
+
+    struct ThreadState {
+        uint64_t rax;
+        uint64_t rcx;
+        uint64_t rdx;
+        uint64_t rbx;
+        uint64_t rsp;
+        uint64_t rbp;
+        uint64_t rsi;
+        uint64_t rdi;
+        uint64_t r8;
+        uint64_t r9;
+        uint64_t r10;
+        uint64_t r11;
+        uint64_t r12;
+        uint64_t r13;
+        uint64_t r14;
+        uint64_t r15;
+        uint64_t rip;
+        //This should be expanded to 16 if x87 registers are considered
+        uint64_t mmx[8];
+        uint64_t xmm[32];
+
+        void update(NativeTrace *parent);
+        void update(ThreadContext *tc);
+    };
+
+    ThreadState nState;
+    ThreadState mState;
+
+    bool checkRcxReg(const char * regName, uint64_t &, uint64_t &);
+    bool checkR11Reg(const char * regName, uint64_t &, uint64_t &);
+    bool checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[]);
+
+  public:
+    X86NativeTrace(const Params *p);
+
+    void check(NativeTraceRecord *record);
+};
+
+} /* namespace Trace */
+
+#endif // __ARCH_X86_NATIVETRACE_HH__

src/arch/x86/process.cc

@@ -497,6 +497,7 @@ X86LiveProcess::argsInit(int pageSize,
         //The system page size
         auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::VMPageSize));
         //Frequency at which times() increments
+        //Defined to be 100 in the kernel source.
         auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
         // For statically linked executables, this is the virtual address of the
         // program header tables if they appear in the executable image
@@ -505,7 +506,6 @@ X86LiveProcess::argsInit(int pageSize,
         auxv.push_back(auxv_t(M5_AT_PHENT, elfObject->programHeaderSize()));
         // This is the number of program headers from the original elf file.
         auxv.push_back(auxv_t(M5_AT_PHNUM, elfObject->programHeaderCount()));
-        //Defined to be 100 in the kernel source.
         //This is the address of the elf "interpreter", It should be set
         //to 0 for regular executables. It should be something else
         //(not sure what) for dynamic libraries.

src/cpu/NativeTrace.py

@@ -31,5 +31,6 @@ from m5.params import *
 from InstTracer import InstTracer
 
 class NativeTrace(InstTracer):
+    abstract = True
     type = 'NativeTrace'
     cxx_class = 'Trace::NativeTrace'

src/cpu/SConscript

@@ -112,6 +112,7 @@ SimObject('BaseCPU.py')
 SimObject('FuncUnit.py')
 SimObject('ExeTracer.py')
 SimObject('IntelTrace.py')
+SimObject('NativeTrace.py')
 
 Source('activity.cc')
 Source('base.cc')
@@ -119,6 +120,7 @@ Source('cpuevent.cc')
 Source('exetrace.cc')
 Source('func_unit.cc')
 Source('inteltrace.cc')
+Source('nativetrace.cc')
 Source('pc_event.cc')
 Source('quiesce_event.cc')
 Source('static_inst.cc')
@@ -136,10 +138,6 @@ if env['FULL_SYSTEM']:
         SimObject('LegionTrace.py')
         Source('legiontrace.cc')
 
-if env['TARGET_ISA'] == 'x86':
-    SimObject('NativeTrace.py')
-    Source('nativetrace.cc')
-
 if env['USE_CHECKER']:
     Source('checker/cpu.cc')
     TraceFlag('Checker')

src/cpu/nativetrace.cc

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * 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
@@ -25,28 +25,15 @@
  * (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
+ * Authors: Gabe Black
- *          Lisa Hsu
- *          Nathan Binkert
- *          Steve Raasch
  */
 
-#include <errno.h>
-
-#include "arch/registers.hh"
-#include "arch/utility.hh"
-#include "base/loader/symtab.hh"
 #include "base/socket.hh"
 #include "cpu/nativetrace.hh"
 #include "cpu/static_inst.hh"
-#include "cpu/thread_context.hh"
 #include "params/NativeTrace.hh"
 
-//XXX This is temporary
-#include "arch/isa_specific.hh"
-
 using namespace std;
-using namespace TheISA;
 
 namespace Trace {
 
@@ -64,41 +51,6 @@ NativeTrace::NativeTrace(const Params *p)
     }
     ccprintf(cerr, "Listening for native process on port %d\n", port);
     fd = native_listener.accept();
-    checkRcx = true;
-    checkR11 = true;
-}
-
-bool
-NativeTrace::checkRcxReg(const char * name, uint64_t &mVal, uint64_t &nVal)
-{
-    if(!checkRcx)
-        checkRcx = (mVal != oldRcxVal || nVal != oldRealRcxVal);
-    if(checkRcx)
-        return checkReg(name, mVal, nVal);
-    return true;
-}
-
-bool
-NativeTrace::checkR11Reg(const char * name, uint64_t &mVal, uint64_t &nVal)
-{
-    if(!checkR11)
-        checkR11 = (mVal != oldR11Val || nVal != oldRealR11Val);
-    if(checkR11)
-        return checkReg(name, mVal, nVal);
-    return true;
-}
-
-bool
-NativeTrace::checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[])
-{
-    if (mXmmBuf[num * 2]     != nXmmBuf[num * 2] ||
-        mXmmBuf[num * 2 + 1] != nXmmBuf[num * 2 + 1]) {
-        DPRINTFN("Register xmm%d should be 0x%016x%016x but is 0x%016x%016x.\n",
-                num, nXmmBuf[num * 2 + 1], nXmmBuf[num * 2],
-                     mXmmBuf[num * 2 + 1], mXmmBuf[num * 2]);
-        return false;
-    }
-    return true;
 }
 
 void
@@ -106,119 +58,8 @@ Trace::NativeTraceRecord::dump()
 {
     //Don't print what happens for each micro-op, just print out
     //once at the last op, and for regular instructions.
-    if(!staticInst->isMicroop() || staticInst->isLastMicroop())
+    if (!staticInst->isMicroop() || staticInst->isLastMicroop())
-    parent->check(thread, staticInst->isSyscall());
+        parent->check(this);
 }
 
-void
+} /* namespace Trace */
-Trace::NativeTrace::check(ThreadContext * tc, bool isSyscall)
-{
-//    ostream &outs = Trace::output();
-    nState.update(fd);
-    mState.update(tc);
-
-    if(isSyscall)
-    {
-        checkRcx = false;
-        checkR11 = false;
-        oldRcxVal = mState.rcx;
-        oldRealRcxVal = nState.rcx;
-        oldR11Val = mState.r11;
-        oldRealR11Val = nState.r11;
-    }
-
-    checkReg("rax", mState.rax, nState.rax);
-    checkRcxReg("rcx", mState.rcx, nState.rcx);
-    checkReg("rdx", mState.rdx, nState.rdx);
-    checkReg("rbx", mState.rbx, nState.rbx);
-    checkReg("rsp", mState.rsp, nState.rsp);
-    checkReg("rbp", mState.rbp, nState.rbp);
-    checkReg("rsi", mState.rsi, nState.rsi);
-    checkReg("rdi", mState.rdi, nState.rdi);
-    checkReg("r8",  mState.r8,  nState.r8);
-    checkReg("r9",  mState.r9,  nState.r9);
-    checkReg("r10", mState.r10, nState.r10);
-    checkR11Reg("r11", mState.r11, nState.r11);
-    checkReg("r12", mState.r12, nState.r12);
-    checkReg("r13", mState.r13, nState.r13);
-    checkReg("r14", mState.r14, nState.r14);
-    checkReg("r15", mState.r15, nState.r15);
-    checkReg("rip", mState.rip, nState.rip);
-    checkXMM(0, mState.xmm, nState.xmm);
-    checkXMM(1, mState.xmm, nState.xmm);
-    checkXMM(2, mState.xmm, nState.xmm);
-    checkXMM(3, mState.xmm, nState.xmm);
-    checkXMM(4, mState.xmm, nState.xmm);
-    checkXMM(5, mState.xmm, nState.xmm);
-    checkXMM(6, mState.xmm, nState.xmm);
-    checkXMM(7, mState.xmm, nState.xmm);
-    checkXMM(8, mState.xmm, nState.xmm);
-    checkXMM(9, mState.xmm, nState.xmm);
-    checkXMM(10, mState.xmm, nState.xmm);
-    checkXMM(11, mState.xmm, nState.xmm);
-    checkXMM(12, mState.xmm, nState.xmm);
-    checkXMM(13, mState.xmm, nState.xmm);
-    checkXMM(14, mState.xmm, nState.xmm);
-    checkXMM(15, mState.xmm, nState.xmm);
-#if THE_ISA == SPARC_ISA
-    /*for(int f = 0; f <= 62; f+=2)
-    {
-        uint64_t regVal;
-        int res = read(fd, &regVal, sizeof(regVal));
-        if(res < 0)
-            panic("First read call failed! %s\n", strerror(errno));
-        regVal = TheISA::gtoh(regVal);
-        uint64_t realRegVal = thread->readFloatRegBits(f, 64);
-        if(regVal != realRegVal)
-        {
-            DPRINTF(ExecRegDelta, "Register f%d should be %#x but is %#x.\n", f, regVal, realRegVal);
-        }
-    }*/
-    uint64_t regVal;
-    int res = read(fd, &regVal, sizeof(regVal));
-    if(res < 0)
-        panic("First read call failed! %s\n", strerror(errno));
-    regVal = TheISA::gtoh(regVal);
-    uint64_t realRegVal = thread->readNextPC();
-    if(regVal != realRegVal)
-    {
-        DPRINTF(ExecRegDelta,
-                "Register pc should be %#x but is %#x.\n",
-                regVal, realRegVal);
-    }
-    res = read(fd, &regVal, sizeof(regVal));
-    if(res < 0)
-        panic("First read call failed! %s\n", strerror(errno));
-    regVal = TheISA::gtoh(regVal);
-    realRegVal = thread->readNextNPC();
-    if(regVal != realRegVal)
-    {
-        DPRINTF(ExecRegDelta,
-                "Register npc should be %#x but is %#x.\n",
-                regVal, realRegVal);
-    }
-    res = read(fd, &regVal, sizeof(regVal));
-    if(res < 0)
-        panic("First read call failed! %s\n", strerror(errno));
-    regVal = TheISA::gtoh(regVal);
-    realRegVal = thread->readIntReg(SparcISA::NumIntArchRegs + 2);
-    if((regVal & 0xF) != (realRegVal & 0xF))
-    {
-        DPRINTF(ExecRegDelta,
-                "Register ccr should be %#x but is %#x.\n",
-                regVal, realRegVal);
-    }
-#endif
-}
-
-/* namespace Trace */ }
-
-////////////////////////////////////////////////////////////////////////
-//
-//  ExeTracer Simulation Object
-//
-Trace::NativeTrace *
-NativeTraceParams::create()
-{
-    return new Trace::NativeTrace(this);
-};

src/cpu/nativetrace.hh

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * 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
@@ -25,15 +25,16 @@
  * (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
+ * Authors: Gabe Black
- *          Nathan Binkert
  */
 
 #ifndef __CPU_NATIVETRACE_HH__
 #define __CPU_NATIVETRACE_HH__
 
-#include "arch/x86/floatregs.hh"
+#include <errno.h>
-#include "arch/x86/intregs.hh"
+#include <unistd.h>
+
+#include "base/socket.hh"
 #include "base/trace.hh"
 #include "base/types.hh"
 #include "cpu/static_inst.hh"
@@ -71,103 +72,23 @@ class NativeTrace : public InstTracer
 
     ListenSocket native_listener;
 
-    bool checkRcx;
-    bool checkR11;
-    uint64_t oldRcxVal, oldR11Val;
-    uint64_t oldRealRcxVal, oldRealR11Val;
-
-    struct ThreadState {
-        uint64_t rax;
-        uint64_t rcx;
-        uint64_t rdx;
-        uint64_t rbx;
-        uint64_t rsp;
-        uint64_t rbp;
-        uint64_t rsi;
-        uint64_t rdi;
-        uint64_t r8;
-        uint64_t r9;
-        uint64_t r10;
-        uint64_t r11;
-        uint64_t r12;
-        uint64_t r13;
-        uint64_t r14;
-        uint64_t r15;
-        uint64_t rip;
-        //This should be expanded to 16 if x87 registers are considered
-        uint64_t mmx[8];
-        uint64_t xmm[32];
-
-        void update(int fd)
-        {
-            int bytesLeft = sizeof(ThreadState);
-            int bytesRead = 0;
-            do
-            {
-                int res = read(fd, ((char *)this) + bytesRead, bytesLeft);
-                if(res < 0)
-                    panic("Read call failed! %s\n", strerror(errno));
-                bytesLeft -= res;
-                bytesRead += res;
-            } while(bytesLeft);
-            rax = TheISA::gtoh(rax);
-            rcx = TheISA::gtoh(rcx);
-            rdx = TheISA::gtoh(rdx);
-            rbx = TheISA::gtoh(rbx);
-            rsp = TheISA::gtoh(rsp);
-            rbp = TheISA::gtoh(rbp);
-            rsi = TheISA::gtoh(rsi);
-            rdi = TheISA::gtoh(rdi);
-            r8 = TheISA::gtoh(r8);
-            r9 = TheISA::gtoh(r9);
-            r10 = TheISA::gtoh(r10);
-            r11 = TheISA::gtoh(r11);
-            r12 = TheISA::gtoh(r12);
-            r13 = TheISA::gtoh(r13);
-            r14 = TheISA::gtoh(r14);
-            r15 = TheISA::gtoh(r15);
-            rip = TheISA::gtoh(rip);
-            //This should be expanded if x87 registers are considered
-            for (int i = 0; i < 8; i++)
-                mmx[i] = TheISA::gtoh(mmx[i]);
-            for (int i = 0; i < 32; i++)
-                xmm[i] = TheISA::gtoh(xmm[i]);
-        }
-
-        void update(ThreadContext * tc)
-        {
-            rax = tc->readIntReg(X86ISA::INTREG_RAX);
-            rcx = tc->readIntReg(X86ISA::INTREG_RCX);
-            rdx = tc->readIntReg(X86ISA::INTREG_RDX);
-            rbx = tc->readIntReg(X86ISA::INTREG_RBX);
-            rsp = tc->readIntReg(X86ISA::INTREG_RSP);
-            rbp = tc->readIntReg(X86ISA::INTREG_RBP);
-            rsi = tc->readIntReg(X86ISA::INTREG_RSI);
-            rdi = tc->readIntReg(X86ISA::INTREG_RDI);
-            r8 = tc->readIntReg(X86ISA::INTREG_R8);
-            r9 = tc->readIntReg(X86ISA::INTREG_R9);
-            r10 = tc->readIntReg(X86ISA::INTREG_R10);
-            r11 = tc->readIntReg(X86ISA::INTREG_R11);
-            r12 = tc->readIntReg(X86ISA::INTREG_R12);
-            r13 = tc->readIntReg(X86ISA::INTREG_R13);
-            r14 = tc->readIntReg(X86ISA::INTREG_R14);
-            r15 = tc->readIntReg(X86ISA::INTREG_R15);
-            rip = tc->readNextPC();
-            //This should be expanded if x87 registers are considered
-            for (int i = 0; i < 8; i++)
-                mmx[i] = tc->readFloatRegBits(X86ISA::FLOATREG_MMX(i));
-            for (int i = 0; i < 32; i++)
-                xmm[i] = tc->readFloatRegBits(X86ISA::FLOATREG_XMM_BASE + i);
-        }
-
-    };
-
-    ThreadState nState;
-    ThreadState mState;
-
-
   public:
 
+    NativeTrace(const Params *p);
+    virtual ~NativeTrace() {}
+
+    NativeTraceRecord *
+    getInstRecord(Tick when, ThreadContext *tc,
+            const StaticInstPtr staticInst, Addr pc,
+            const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0)
+    {
+        if (tc->misspeculating())
+            return NULL;
+
+        return new NativeTraceRecord(this, when, tc,
+                staticInst, pc, tc->misspeculating(), macroStaticInst, upc);
+    }
+
     template<class T>
     bool
     checkReg(const char * regName, T &val, T &realVal)
@@ -181,35 +102,23 @@ class NativeTrace : public InstTracer
         return true;
     }
 
-    bool
+    void
-    checkRcxReg(const char * regName, uint64_t &, uint64_t &);
+    read(void *ptr, size_t size)
-
-    bool
-    checkR11Reg(const char * regName, uint64_t &, uint64_t &);
-
-    bool
-    checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[]);
-
-    NativeTrace(const Params *p);
-
-    NativeTraceRecord *
-    getInstRecord(Tick when, ThreadContext *tc,
-            const StaticInstPtr staticInst, Addr pc,
-            const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0)
     {
-        if (tc->misspeculating())
+        size_t soFar = 0;
-            return NULL;
+        while (soFar < size) {
-
+            size_t res = ::read(fd, (uint8_t *)ptr + soFar, size - soFar);
-        return new NativeTraceRecord(this, when, tc,
+            if (res < 0)
-                staticInst, pc, tc->misspeculating(), macroStaticInst, upc);
+                panic("Read call failed! %s\n", strerror(errno));
+            else
+                soFar += res;
+        }
     }
 
-    void
+    virtual void
-    check(ThreadContext *, bool syscall);
+    check(NativeTraceRecord *record) = 0;
-
-    friend class NativeTraceRecord;
 };
 
-/* namespace Trace */ }
+} /* namespace Trace */
 
 #endif // __CPU_NATIVETRACE_HH__

src/sim/insttracer.hh

@@ -129,6 +129,28 @@ class InstRecord
     { cp_seq = seq; cp_seq_valid = true; }
 
     virtual void dump() = 0;
+    
+  public:
+    Tick getWhen() { return when; }
+    ThreadContext *getThread() { return thread; }
+    StaticInstPtr getStaticInst() { return staticInst; }
+    Addr getPC() { return PC; }
+    StaticInstPtr getMacroStaticInst() { return macroStaticInst; }
+    MicroPC getUPC() { return upc; } 
+    bool getMisspeculating() { return misspeculating; }
+
+    Addr getAddr() { return addr; }
+    bool getAddrValid() { return addr_valid; }
+
+    uint64_t getIntData() { return data.as_int; }
+    double getFloatData() { return data.as_double; }
+    int getDataStatus() { return data_status; }
+
+    InstSeqNum getFetchSeq() { return fetch_seq; }
+    bool getFetchSeqValid() { return fetch_seq_valid; }
+
+    InstSeqNum getCpSeq() { return cp_seq; }
+    bool getCpSeqValid() { return cp_seq_valid; }
 };
 
 class InstTracer : public SimObject