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