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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef EmPalmOS_h
#define EmPalmOS_h
#include "EmCPU68K.h" // ExceptionNumber
#include "EmStructs.h" // EmStackFrameList
#include "PreferenceMgr.h" // PrefKeyType
#pragma mark StackRange
struct StackRange
{
StackRange () :
fTop (0),
fLowWaterMark (0),
fBottom (0)
{}
StackRange (const StackRange& other) :
fTop (other.fTop),
fLowWaterMark (other.fLowWaterMark),
fBottom (other.fBottom)
{}
StackRange (emuptr bottom, emuptr top) :
fTop (top),
fLowWaterMark (top),
fBottom (bottom)
{}
bool operator==(const StackRange& other) const
{ return fBottom == other.fBottom; }
bool operator!=(const StackRange& other) const
{ return fBottom != other.fBottom; }
bool operator<(const StackRange& other) const
{ return fBottom < other.fBottom; }
bool operator>(const StackRange& other) const
{ return fBottom > other.fBottom; }
// (Order these this way so that they look correct in a debugger)
emuptr fTop;
emuptr fLowWaterMark;
emuptr fBottom;
};
typedef vector<StackRange> StackList;
class EmStream;
EmStream& operator << (EmStream&, const StackRange&);
EmStream& operator >> (EmStream&, StackRange&);
class EmPalmChunk;
class SessionFile;
class EmPalmOS
{
public:
static void Initialize (void);
static void Reset (void);
static void Save (SessionFile&);
static void Load (SessionFile&);
static void Dispose (void);
public:
static void CheckStackPointerAssignment (void);
static void CheckStackPointerDecrement (void);
static void CheckKernelStack (void);
static void RememberStackChunk (const EmPalmChunk&);
static void RememberBootStack (void);
static void RememberKernelStack (void);
static void RememberStackRange (const StackRange&);
static void SetCurrentStack (const StackRange&);
static void ForgetStack (emuptr);
static void ForgetStacksIn (emuptr, uint32);
static StackRange GetBootStack (void);
static Bool IsInStack (emuptr);
static Bool IsInStackBlock (emuptr);
static void GenerateStackCrawl (EmStackFrameList& frameList);
static void PrefsChanged (PrefKeyType, void*);
protected:
static Bool HandleTrap15 (ExceptionNumber);
static Bool HandleJSR (emuptr oldPC, emuptr dest);
static Bool HandleJSR_Ind (emuptr oldPC, emuptr dest);
static void HandleLINK (int linkSize);
static Bool HandleRTE (emuptr dest);
static Bool HandleRTS (emuptr dest);
static void HandleNewPC (emuptr dest);
static void HandleNewSP (EmStackChangeType);
private:
static Bool HandleSystemCall (Bool fromTrap);
};
#endif /* EmPalmOS_h */
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