gem5/sim/system.hh
Kevin Lim 4a2c50bc8f Support loading in a symbol file.
arch/alpha/freebsd/system.cc:
arch/alpha/isa/decoder.isa:
arch/alpha/linux/system.cc:
arch/alpha/system.cc:
arch/alpha/tru64/system.cc:
    Let symbol files be read in so that profiling can happen on the binaries as well.
python/m5/objects/System.py:
    Add in symbol files.
sim/pseudo_inst.cc:
    Load in a specified symbol file.
sim/pseudo_inst.hh:
    Allow for symbols to be loaded.
sim/system.hh:
    Support symbol file.
util/m5/m5.c:
util/m5/m5op.S:
    Add support to m5 util for loading symbols (and readfile).

--HG--
extra : convert_revision : f10c1049bcd7b22b98c73052c0666b964aff222b
2006-08-23 16:57:07 -04:00

195 lines
5.3 KiB
C++

/*
* Copyright (c) 2002-2005 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.
*/
#ifndef __SYSTEM_HH__
#define __SYSTEM_HH__
#include <string>
#include <vector>
#include "base/statistics.hh"
#include "base/loader/symtab.hh"
#include "cpu/pc_event.hh"
#include "kern/system_events.hh"
#include "sim/sim_object.hh"
class BaseCPU;
class ExecContext;
class GDBListener;
class MemoryController;
class ObjectFile;
class PhysicalMemory;
class Platform;
class RemoteGDB;
namespace Kernel { class Binning; }
class System : public SimObject
{
public:
MemoryController *memctrl;
PhysicalMemory *physmem;
Platform *platform;
PCEventQueue pcEventQueue;
uint64_t init_param;
std::vector<ExecContext *> execContexts;
int numcpus;
int getNumCPUs()
{
if (numcpus != execContexts.size())
panic("cpu array not fully populated!");
return numcpus;
}
/** kernel symbol table */
SymbolTable *kernelSymtab;
/** Object pointer for the kernel code */
ObjectFile *kernel;
/** Begining of kernel code */
Addr kernelStart;
/** End of kernel code */
Addr kernelEnd;
/** Entry point in the kernel to start at */
Addr kernelEntry;
Kernel::Binning *kernelBinning;
protected:
/**
* Fix up an address used to match PCs for hooking simulator
* events on to target function executions. See comment in
* system.cc for details.
*/
virtual Addr fixFuncEventAddr(Addr addr) = 0;
/**
* Add a function-based event to the given function, to be looked
* up in the specified symbol table.
*/
template <class T>
T *System::addFuncEvent(SymbolTable *symtab, const char *lbl)
{
Addr addr = 0; // initialize only to avoid compiler warning
if (symtab->findAddress(lbl, addr)) {
T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr));
return ev;
}
return NULL;
}
/** Add a function-based event to kernel code. */
template <class T>
T *System::addKernelFuncEvent(const char *lbl)
{
return addFuncEvent<T>(kernelSymtab, lbl);
}
public:
std::vector<RemoteGDB *> remoteGDB;
std::vector<GDBListener *> gdbListen;
virtual bool breakpoint() = 0;
public:
struct Params
{
std::string name;
Tick boot_cpu_frequency;
MemoryController *memctrl;
PhysicalMemory *physmem;
uint64_t init_param;
bool bin;
std::vector<std::string> binned_fns;
bool bin_int;
std::string kernel_path;
std::string readfile;
std::string symbolfile;
};
protected:
Params *_params;
public:
System(Params *p);
~System();
void startup();
const Params *params() const { return (const Params *)_params; }
public:
/**
* Returns the addess the kernel starts at.
* @return address the kernel starts at
*/
Addr getKernelStart() const { return kernelStart; }
/**
* Returns the addess the kernel ends at.
* @return address the kernel ends at
*/
Addr getKernelEnd() const { return kernelEnd; }
/**
* Returns the addess the entry point to the kernel code.
* @return entry point of the kernel code
*/
Addr getKernelEntry() const { return kernelEntry; }
int registerExecContext(ExecContext *xc, int xcIndex);
void replaceExecContext(ExecContext *xc, int xcIndex);
void regStats();
void serialize(std::ostream &os);
void unserialize(Checkpoint *cp, const std::string &section);
public:
////////////////////////////////////////////
//
// STATIC GLOBAL SYSTEM LIST
//
////////////////////////////////////////////
static std::vector<System *> systemList;
static int numSystemsRunning;
static void printSystems();
};
#endif // __SYSTEM_HH__