gecko-dev/ef/Runtime/System/StackWalker.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
//
// StackWalker.h
//
// Simon Holmes a Court
#ifndef _STACK_WALKER_
#define _STACK_WALKER_
#include "Fundamentals.h"
#include "NativeCodeCache.h"
#include "LogModule.h"
class NS_EXTERN Frame
{
private:
Uint8** pFrame; // pointer to the EBP
Uint8* pMethodAddress; // holds an address within the method
public:
Frame();
void moveToPrevFrame();
bool hasPreviousFrame() { return (pFrame != NULL && *pFrame != NULL); }
Uint8** getBase() { return pFrame; }
static int getStackDepth();
Method &getCallingJavaMethod(int climbDepth = 1);
// returns the Method associated with the frame, or NULL if there is not one
Method* getMethod();
#ifdef DEBUG
void print(LogModuleObject &f);
static void printWithArgs(LogModuleObject &f, Uint8* inFrame, Method* inMethod);
static void printOne(LogModuleObject &f, void*, void*);
#endif
};
extern "C" void NS_EXTERN stackWalker(void*);
extern Uint8* getCallerPC();
extern void setCalleeReturnAddress(Uint8* retAddress);
extern Method* getMethodForPC(void* inCurPC);
#endif // _STACK_WALKER_