8ea5176b7f
We should always refer to the specific ISA in that arch directory. This is especially necessary if we're ever going to make it to the point where we actually have heterogeneous systems.
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
/*
|
|
* Copyright (c) 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: Nathan Binkert
|
|
*/
|
|
|
|
#ifndef __ARCH_SPARC_STACKTRACE_HH__
|
|
#define __ARCH_SPARC_STACKTRACE_HH__
|
|
|
|
#include "base/trace.hh"
|
|
#include "cpu/static_inst.hh"
|
|
|
|
class ThreadContext;
|
|
namespace SparcISA
|
|
{
|
|
class StackTrace;
|
|
|
|
class ProcessInfo
|
|
{
|
|
private:
|
|
ThreadContext *tc;
|
|
|
|
int thread_info_size;
|
|
int task_struct_size;
|
|
int task_off;
|
|
int pid_off;
|
|
int name_off;
|
|
|
|
public:
|
|
ProcessInfo(ThreadContext *_tc);
|
|
|
|
Addr task(Addr ksp) const;
|
|
int pid(Addr ksp) const;
|
|
std::string name(Addr ksp) const;
|
|
};
|
|
|
|
class StackTrace
|
|
{
|
|
protected:
|
|
typedef SparcISA::MachInst MachInst;
|
|
private:
|
|
ThreadContext *tc;
|
|
std::vector<Addr> stack;
|
|
|
|
private:
|
|
bool isEntry(Addr addr);
|
|
bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
|
|
bool decodeSave(MachInst inst, int ®, int &disp);
|
|
bool decodeStack(MachInst inst, int &disp);
|
|
|
|
void trace(ThreadContext *tc, bool is_call);
|
|
|
|
public:
|
|
StackTrace();
|
|
StackTrace(ThreadContext *tc, StaticInstPtr inst);
|
|
~StackTrace();
|
|
|
|
void clear()
|
|
{
|
|
tc = 0;
|
|
stack.clear();
|
|
}
|
|
|
|
bool valid() const { return tc != NULL; }
|
|
bool trace(ThreadContext *tc, StaticInstPtr inst);
|
|
|
|
public:
|
|
const std::vector<Addr> &getstack() const { return stack; }
|
|
|
|
static const int user = 1;
|
|
static const int console = 2;
|
|
static const int unknown = 3;
|
|
|
|
#if TRACING_ON
|
|
private:
|
|
void dump();
|
|
|
|
public:
|
|
void dprintf() { if (DTRACE(Stack)) dump(); }
|
|
#else
|
|
public:
|
|
void dprintf() {}
|
|
#endif
|
|
};
|
|
|
|
inline bool
|
|
StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
|
|
{
|
|
if (!inst->isCall() && !inst->isReturn())
|
|
return false;
|
|
|
|
if (valid())
|
|
clear();
|
|
|
|
trace(tc, !inst->isReturn());
|
|
return true;
|
|
}
|
|
}
|
|
|
|
#endif // __ARCH_SPARC_STACKTRACE_HH__
|