2007-03-22 10:30:00 -07:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* InnoTek Systemberatung GmbH.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* InnoTek Systemberatung GmbH / Knut St. Osmundsen
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* This module contains wrappers for a handful of XPCOM methods which someone
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* have been so kind as to link their plugins against. This module will only
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* provide the minimum of what necessary to make legacy plugins work with
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* the GCC based mozilla. Luckily this only means the IBM oji JAVA plugins.
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*
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* Actually, I haven't seen npoji6 calling any of these yet.
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*/
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/*******************************************************************************
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* Defined Constants And Macros *
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*******************************************************************************/
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/** @group Visual Age for C++ v3.6.5 target (OS/2). */
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/* @{ */
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/** Indicate Visual Age for C++ v3.6.5 target */
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#define VFT_VAC365 1
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/** VFTable/Interface Calling Convention for Win32. */
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#define VFTCALL _Optlink
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/** First Entry which VAC uses. */
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#define VFTFIRST_DECL unsigned uFirst[2]
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#define VFTFIRST_VAL() {0, 0},
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/** This deltas which VAC uses. */
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#define VFTDELTA_DECL(n) unsigned uDelta##n
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#define VFTDELTA_VAL() 0,
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/** @} */
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/*******************************************************************************
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* Header Files *
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*******************************************************************************/
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#include "nscore.h"
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#include "nsServiceManagerUtils.h"
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/*******************************************************************************
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* Structures and Typedefs *
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*******************************************************************************/
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#ifndef __cplusplus
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typedef struct nsID
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{
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PRUint32 m0;
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PRUint16 m1;
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PRUint16 m2;
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PRUint8 m3[8];
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} nsID, nsCID, nsIID;
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#define REFNSIID const nsIID *
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typedef PRUint32 nsrefcnt;
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#endif
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/**
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* nsISupports vftable.
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*/
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typedef struct vftable_nsISupports
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{
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VFTFIRST_DECL;
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nsresult (*VFTCALL QueryInterface)(void *pvThis, REFNSIID aIID, void** aInstancePtr);
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VFTDELTA_DECL(QueryInterface);
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nsrefcnt (*VFTCALL AddRef)(void *pvThis);
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VFTDELTA_DECL(AddRef);
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nsrefcnt (*VFTCALL Release)(void *pvThis);
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VFTDELTA_DECL(Release);
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} VFTnsISupports;
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/**
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* nsGetServiceByCID::nsCOMPtr_helper vftable.
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*/
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typedef struct vftable_nsGetServiceByCID_nsCOMPtr_helper
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{
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VFTFIRST_DECL;
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/* virtual nsresult operator()( const nsIID&, void** ) const; */
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nsresult (*VFTCALL __operator_paratheses)(void *pvThis, REFNSIID aIID, void** aInstancePtr);
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VFTDELTA_DECL(__operator_paratheses);
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void * (*VFTCALL __destructor)(void *pvThis, unsigned __dtorFlags, unsigned __vtt);
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VFTDELTA_DECL(__destructor);
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} VFTnsGetServiceByCID_nsCOMPtr_helper;
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/**
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* nsQueryInterface::nsCOMPtr_helper vftable.
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*/
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typedef struct vftable_nsQueryInterface_nsCOMPtr_helper
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{
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VFTFIRST_DECL;
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nsresult (*VFTCALL __operator_paratheses)(void *pvThis, REFNSIID aIID, void** aInstancePtr);
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VFTDELTA_DECL(__operator_paratheses);
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} VFTnsQueryInterface_nsCOMPtr_helper;
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/**
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* nsISupport object.
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*/
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typedef struct obj_nsISupports
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{
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VFTnsISupports *pVFT;
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} obj_nsISupports;
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/**
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* nsCOMPtr_base object.
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*/
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typedef struct obj_nsCOMPtr_base
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{
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obj_nsISupports *mRawPtr;
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} obj_nsCOMPtr_base;
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/**
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* nsGetServiceByCID_nsCOMPtr_helper object.
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*/
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typedef struct obj_nsGetServiceByCID_nsCOMPtr_helper
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{
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VFTnsGetServiceByCID_nsCOMPtr_helper *pVFT; /* ?? */
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nsID *mCID; /* const nsCID& */
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void *mServiceManager;/* nsCOMPtr<nsIServiceManager> */
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nsresult *mErrorPtr;
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} obj_nsGetServiceByCID_nsCOMPtr_helper;
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/**
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* nsQueryInterface_nsCOMPtr_helper object.
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*/
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typedef struct obj_nsQueryInterface_nsCOMPtr_helper
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{
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VFTnsQueryInterface_nsCOMPtr_helper *pVFT; /* ?? */
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obj_nsISupports *mRawPtr; /* const nsCID& */
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nsresult *mErrorPtr;
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} obj_nsQueryInterface_nsCOMPtr_helper;
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/**
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* nsCOMPtr_base::~nsCOMPtr_base()
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*
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* @remark This guys doing the oji plugin have been very unfortunate to link in this
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* without any similar new operator. The object is thus created in the plugin
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* but freed by xpcom.dll. As the plugin and mozilla have different CRTs this
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* is a good way of asking for trouble. But, they guys've been lucky, the VAC
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* CRT might just handle this ok.
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* However, we cannot perform this delete as we have no VAC CRT around, and
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* hence we will leak this object.
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* ----
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* assembly:
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public __dt__13nsCOMPtr_baseFv
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__dt__13nsCOMPtr_baseFv proc
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push ebp
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mov ebp,esp
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sub esp,08h
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mov [ebp+08h],eax; this
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mov [ebp+0ch],edx; __dtorFlags
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; 63 if ( mRawPtr )
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mov eax,[ebp+08h]; this
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cmp dword ptr [eax],0h
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je @BLBL4
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; 64 NSCAP_RELEASE(this, mRawPtr);
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mov ecx,[ebp+08h]; this
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mov ecx,[ecx]
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mov ecx,[ecx]
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mov eax,[ebp+08h]; this
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mov eax,[eax]
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add eax,[ecx+01ch]
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mov ecx,[ebp+08h]; this
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mov ecx,[ecx]
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mov ecx,[ecx]
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call dword ptr [ecx+018h]
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@BLBL4:
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; 65 }
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test byte ptr [ebp+0ch],01h; __dtorFlags
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je @BLBL6
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mov eax,[ebp+08h]; this
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call __dl__FPv
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@BLBL6:
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mov eax,[ebp+08h]; this
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add esp,08h
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pop ebp
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ret
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__dt__13nsCOMPtr_baseFv endp
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*/
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extern "C" void * VFTCALL __dt__13nsCOMPtr_baseFv(void *pvThis, unsigned __dtorFlags)
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{
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obj_nsCOMPtr_base *pThis = (obj_nsCOMPtr_base*)pvThis;
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//asm("int $3");
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if (pThis->mRawPtr)
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{
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/* NSCAP_RELEASE(this, mRawPtr); */
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pThis->mRawPtr->pVFT->Release((char*)pThis->mRawPtr + pThis->mRawPtr->pVFT->uDeltaRelease);
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}
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/*
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* Delete the object...
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* (As memtioned before we'll rather leak this.)
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*/
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#if 0
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if (!(__dtorFlags & 1))
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__dl__FPv(this)
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#endif
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return pvThis;
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}
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/** workaround for _Optlink bug.. */
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extern "C" void * VFTCALL _dt__13nsCOMPtr_baseFv(void *pvThis, unsigned __dtorFlags)
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{
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return __dt__13nsCOMPtr_baseFv(pvThis, __dtorFlags);
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}
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/**
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*
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* -----
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* assembly:
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; 92 nsGetServiceByCID::operator()( const nsIID& aIID, void** aInstancePtr ) const
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align 010h
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public __cl__17nsGetServiceByCIDCFRC4nsIDPPv
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__cl__17nsGetServiceByCIDCFRC4nsIDPPv proc
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push ebp
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mov ebp,esp
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sub esp,014h
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push ebx
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sub esp,08h
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mov [ebp+08h],eax; this
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mov [ebp+0ch],edx; aIID
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mov [ebp+010h],ecx; aInstancePtr
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; 94 nsresult status = NS_ERROR_FAILURE;
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mov dword ptr [ebp-04h],080004005h; status
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; 95 if ( mServiceManager ) {
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mov eax,[ebp+08h]; this
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add eax,08h
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call __opP13nsDerivedSafeXT17nsIServiceManager___8nsCOMPtrXT17nsIServiceManager_CFv
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test eax,eax
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je @BLBL13
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; 96 status = mServiceManager->GetService(mCID, aIID, (void**)aInstancePtr);
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mov eax,[ebp+08h]; this
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add eax,08h
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call __rf__8nsCOMPtrXT17nsIServiceManager_CFv
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mov [ebp-08h],eax; __212
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mov eax,[ebp+010h]; aInstancePtr
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push eax
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mov ecx,[ebp+0ch]; aIID
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mov edx,[ebp+08h]; this
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mov edx,[edx+04h]
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mov ebx,[ebp-08h]; __212
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mov ebx,[ebx]
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mov eax,[ebp-08h]; __212
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add eax,[ebx+024h]
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sub esp,0ch
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mov ebx,[ebp-08h]; __212
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mov ebx,[ebx]
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call dword ptr [ebx+020h]
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add esp,010h
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mov [ebp-04h],eax; status
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; 97 } else {
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jmp @BLBL14
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align 010h
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@BLBL13:
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; 95 if ( mServiceManager ) {
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; 98 nsCOMPtr<nsIServiceManager> mgr;
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lea eax,[ebp-0ch]; mgr
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call __ct__8nsCOMPtrXT17nsIServiceManager_Fv
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; 99 NS_GetServiceManager(getter_AddRefs(mgr));
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lea edx,[ebp-0ch]; mgr
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lea eax,[ebp-010h]; __216
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call getter_AddRefs__FR8nsCOMPtrXT17nsIServiceManager_
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sub esp,04h
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lea eax,[ebp-010h]; __216
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sub esp,04h
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call __opPP17nsIServiceManager__15nsGetterAddRefsXT17nsIServiceManager_Fv
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add esp,08h
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call NS_GetServiceManager
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mov edx,02h
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lea eax,[ebp-010h]; __216
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call __dt__15nsGetterAddRefsXT17nsIServiceManager_Fv
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; 100 if (mgr)
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lea eax,[ebp-0ch]; mgr
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call __opP13nsDerivedSafeXT17nsIServiceManager___8nsCOMPtrXT17nsIServiceManager_CFv
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test eax,eax
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je @BLBL15
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; 101 status = mgr->GetService(mCID, aIID, (void**)aInstancePtr);
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lea eax,[ebp-0ch]; mgr
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call __rf__8nsCOMPtrXT17nsIServiceManager_CFv
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mov [ebp-014h],eax; __217
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mov eax,[ebp+010h]; aInstancePtr
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push eax
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mov ecx,[ebp+0ch]; aIID
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mov edx,[ebp+08h]; this
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mov edx,[edx+04h]
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mov ebx,[ebp-014h]; __217
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mov ebx,[ebx]
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mov eax,[ebp-014h]; __217
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add eax,[ebx+024h]
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sub esp,0ch
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mov ebx,[ebp-014h]; __217
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mov ebx,[ebx]
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call dword ptr [ebx+020h]
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add esp,010h
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mov [ebp-04h],eax; status
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@BLBL15:
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; 102 }
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mov edx,02h
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lea eax,[ebp-0ch]; mgr
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call __dt__8nsCOMPtrXT17nsIServiceManager_Fv
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@BLBL14:
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; 103 if ( NS_FAILED(status) )
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test byte ptr [ebp-01h],080h; status
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je @BLBL16
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; 104 *aInstancePtr = 0;
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mov eax,[ebp+010h]; aInstancePtr
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mov dword ptr [eax],0h
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|
@BLBL16:
|
|
|
|
|
|
|
|
; 106 if ( mErrorPtr )
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
cmp dword ptr [eax+0ch],0h
|
|
|
|
je @BLBL17
|
|
|
|
|
|
|
|
; 107 *mErrorPtr = status;
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
mov eax,[eax+0ch]
|
|
|
|
mov ebx,[ebp-04h]; status
|
|
|
|
mov [eax],ebx
|
|
|
|
@BLBL17:
|
|
|
|
|
|
|
|
; 108 return status;
|
|
|
|
mov eax,[ebp-04h]; status
|
|
|
|
add esp,08h
|
|
|
|
pop ebx
|
|
|
|
mov esp,ebp
|
|
|
|
pop ebp
|
|
|
|
ret
|
|
|
|
__cl__17nsGetServiceByCIDCFRC4nsIDPPv endp
|
|
|
|
|
|
|
|
* -----
|
|
|
|
* C++ Code:
|
|
|
|
nsresult
|
|
|
|
nsGetServiceByCID::operator()( const nsIID& aIID, void** aInstancePtr ) const
|
|
|
|
{
|
|
|
|
nsresult status = NS_ERROR_FAILURE;
|
|
|
|
if ( mServiceManager ) {
|
|
|
|
status = mServiceManager->GetService(mCID, aIID, (void**)aInstancePtr);
|
|
|
|
} else {
|
|
|
|
nsCOMPtr<nsIServiceManager> mgr;
|
|
|
|
NS_GetServiceManager(getter_AddRefs(mgr));
|
|
|
|
if (mgr)
|
|
|
|
status = mgr->GetService(mCID, aIID, (void**)aInstancePtr);
|
|
|
|
}
|
|
|
|
if ( NS_FAILED(status) )
|
|
|
|
*aInstancePtr = 0;
|
|
|
|
|
|
|
|
if ( mErrorPtr )
|
|
|
|
*mErrorPtr = status;
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
extern "C" nsresult VFTCALL GSBC_COM__operator_paratheses(void *pvThis, REFNSIID aIID, void** aInstancePtr)
|
|
|
|
{
|
|
|
|
obj_nsGetServiceByCID_nsCOMPtr_helper *pThis = (obj_nsGetServiceByCID_nsCOMPtr_helper *)pvThis;
|
|
|
|
nsresult status = NS_ERROR_FAILURE;
|
|
|
|
//asm("int $3");
|
|
|
|
|
|
|
|
/* For convenience we don't use mServiceManager here because it's a wrapped object.
|
|
|
|
* We ASSUME that there is only one service manager floating around....
|
|
|
|
*/
|
|
|
|
nsCOMPtr<nsIServiceManager> mgr;
|
|
|
|
NS_GetServiceManager(getter_AddRefs(mgr));
|
|
|
|
if (mgr)
|
|
|
|
status = mgr->GetService(*pThis->mCID, aIID, (void**)aInstancePtr);
|
|
|
|
|
|
|
|
if (NS_FAILED(status))
|
|
|
|
*aInstancePtr = 0;
|
|
|
|
|
|
|
|
if (pThis->mErrorPtr)
|
|
|
|
*pThis->mErrorPtr = status;
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Just a destructor.
|
|
|
|
* -----
|
|
|
|
* assembly:
|
|
|
|
; 59 virtual ~nsGetServiceByCID() {};
|
|
|
|
align 010h
|
|
|
|
|
|
|
|
__dt__17nsGetServiceByCIDFv proc
|
|
|
|
push ebp
|
|
|
|
mov ebp,esp
|
|
|
|
sub esp,08h
|
|
|
|
mov [ebp+08h],eax; this
|
|
|
|
mov [ebp+0ch],edx; __dtorFlags
|
|
|
|
mov [ebp+010h],ecx; __vtt
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
mov dword ptr [eax],offset FLAT:__vft17nsGetServiceByCID15nsCOMPtr_helper
|
|
|
|
mov edx,02h
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
add eax,08h
|
|
|
|
call __dt__8nsCOMPtrXT17nsIServiceManager_Fv
|
|
|
|
test byte ptr [ebp+0ch],01h; __dtorFlags
|
|
|
|
je @BLBL24
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
call __dl__FPv
|
|
|
|
@BLBL24:
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
add esp,08h
|
|
|
|
pop ebp
|
|
|
|
ret
|
|
|
|
__dt__17nsGetServiceByCIDFv endp
|
|
|
|
*/
|
|
|
|
extern "C" void * VFTCALL GSBC_COM__destructor(void *pvThis, unsigned __dtorFlags, unsigned __vtt)
|
|
|
|
{
|
|
|
|
obj_nsGetServiceByCID_nsCOMPtr_helper *pThis = (obj_nsGetServiceByCID_nsCOMPtr_helper *)pvThis;
|
|
|
|
//asm("int $3");
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Because previously mentioned issues with VAC heaps, we'll
|
|
|
|
* not do anything in here.
|
|
|
|
* (We will then skip destruction of all parents and such, but
|
|
|
|
* I don't think that will hurt anyone.)
|
|
|
|
*/
|
|
|
|
__dtorFlags = __dtorFlags;
|
|
|
|
__vtt = __vtt;
|
|
|
|
return pThis;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* VFT for nsGetServiceByCID::nsCOMPtr_helper or something like that.
|
|
|
|
* It's just implementing an operator() and the destructor.
|
|
|
|
*
|
|
|
|
* @remark We need to skip an underscore to get the name right.
|
|
|
|
* ----
|
|
|
|
* assembly:
|
|
|
|
__vft17nsGetServiceByCID15nsCOMPtr_helper dd 0
|
|
|
|
db 0h,0h,0h,0h
|
|
|
|
dd offset FLAT:__cl__17nsGetServiceByCIDCFRC4nsIDPPv
|
|
|
|
db 0h,0h,0h,0h
|
|
|
|
dd offset FLAT:__dt__17nsGetServiceByCIDFv
|
|
|
|
db 0h,0h,0h,0h
|
|
|
|
*/
|
|
|
|
extern const VFTnsGetServiceByCID_nsCOMPtr_helper _vft17nsGetServiceByCID15nsCOMPtr_helper =
|
|
|
|
{
|
|
|
|
VFTFIRST_VAL()
|
|
|
|
GSBC_COM__operator_paratheses, VFTDELTA_VAL()
|
|
|
|
GSBC_COM__destructor, VFTDELTA_VAL()
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
* -----
|
|
|
|
* assembly
|
|
|
|
; 42 nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const
|
|
|
|
align 010h
|
|
|
|
|
|
|
|
public __cl__16nsQueryInterfaceCFRC4nsIDPPv
|
|
|
|
__cl__16nsQueryInterfaceCFRC4nsIDPPv proc
|
|
|
|
push ebp
|
|
|
|
mov ebp,esp
|
|
|
|
sub esp,08h
|
|
|
|
push ebx
|
|
|
|
sub esp,0ch
|
|
|
|
mov [ebp+08h],eax; this
|
|
|
|
mov [ebp+0ch],edx; aIID
|
|
|
|
mov [ebp+010h],ecx; answer
|
|
|
|
|
|
|
|
; 45 if ( mRawPtr )
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
cmp dword ptr [eax+04h],0h
|
|
|
|
je @BLBL1
|
|
|
|
|
|
|
|
; 46 {
|
|
|
|
; 47 status = mRawPtr->QueryInterface(aIID, answer);
|
|
|
|
mov ecx,[ebp+010h]; answer
|
|
|
|
mov edx,[ebp+0ch]; aIID
|
|
|
|
mov ebx,[ebp+08h]; this
|
|
|
|
mov ebx,[ebx+04h]
|
|
|
|
mov ebx,[ebx]
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
mov eax,[eax+04h]
|
|
|
|
add eax,[ebx+0ch]
|
|
|
|
mov ebx,[ebp+08h]; this
|
|
|
|
mov ebx,[ebx+04h]
|
|
|
|
mov ebx,[ebx]
|
|
|
|
call dword ptr [ebx+08h]
|
|
|
|
mov [ebp-04h],eax; status
|
|
|
|
|
|
|
|
; 48 #ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
|
|
|
|
; 49 NS_ASSERTION(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
|
|
|
|
; 50 #endif
|
|
|
|
; 51 }
|
|
|
|
jmp @BLBL2
|
|
|
|
align 010h
|
|
|
|
@BLBL1:
|
|
|
|
|
|
|
|
; 45 if ( mRawPtr )
|
|
|
|
|
|
|
|
; 53 status = NS_ERROR_NULL_POINTER;
|
|
|
|
mov dword ptr [ebp-04h],080004003h; status
|
|
|
|
@BLBL2:
|
|
|
|
|
|
|
|
; 55 if ( mErrorPtr )
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
cmp dword ptr [eax+08h],0h
|
|
|
|
je @BLBL3
|
|
|
|
|
|
|
|
; 56 *mErrorPtr = status;
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
mov eax,[eax+08h]
|
|
|
|
mov ebx,[ebp-04h]; status
|
|
|
|
mov [eax],ebx
|
|
|
|
@BLBL3:
|
|
|
|
|
|
|
|
; 57 return status;
|
|
|
|
mov eax,[ebp-04h]; status
|
|
|
|
add esp,0ch
|
|
|
|
pop ebx
|
|
|
|
mov esp,ebp
|
|
|
|
pop ebp
|
|
|
|
ret
|
|
|
|
__cl__16nsQueryInterfaceCFRC4nsIDPPv endp
|
|
|
|
|
|
|
|
* -----
|
|
|
|
* C++ Code:
|
|
|
|
nsresult
|
|
|
|
nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const
|
|
|
|
{
|
|
|
|
nsresult status;
|
|
|
|
if ( mRawPtr )
|
|
|
|
{
|
|
|
|
status = mRawPtr->QueryInterface(aIID, answer);
|
|
|
|
#ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS
|
|
|
|
NS_ASSERTION(NS_SUCCEEDED(status), "interface not found---were you expecting that?");
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
else
|
|
|
|
status = NS_ERROR_NULL_POINTER;
|
|
|
|
|
|
|
|
if ( mErrorPtr )
|
|
|
|
*mErrorPtr = status;
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
extern "C" nsresult VFTCALL QI_COM__operator_paratheses(void *pvThis, REFNSIID aIID, void** aInstancePtr)
|
|
|
|
{
|
|
|
|
obj_nsQueryInterface_nsCOMPtr_helper *pThis = (obj_nsQueryInterface_nsCOMPtr_helper *)pvThis;
|
|
|
|
nsresult status = NS_ERROR_NULL_POINTER;
|
|
|
|
//asm("int $3");
|
|
|
|
|
|
|
|
if (pThis->mRawPtr)
|
|
|
|
{
|
|
|
|
status = pThis->mRawPtr->pVFT->QueryInterface(pThis->mRawPtr, aIID, aInstancePtr);
|
|
|
|
/* don't care about warnings, do we? */
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pThis->mErrorPtr)
|
|
|
|
*pThis->mErrorPtr = status;
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* VFT for nsQueryInterface::nsCOMPtr_helper or something like that.
|
|
|
|
* No destructor, only an operator().
|
|
|
|
*
|
|
|
|
* @remark We need to skip an underscore to get the name right.
|
|
|
|
* -----
|
|
|
|
* assembly:
|
|
|
|
__vft16nsQueryInterface15nsCOMPtr_helper dd 0
|
|
|
|
db 0h,0h,0h,0h
|
|
|
|
dd offset FLAT:__cl__16nsQueryInterfaceCFRC4nsIDPPv
|
|
|
|
db 0h,0h,0h,0h
|
|
|
|
*/
|
|
|
|
extern const VFTnsQueryInterface_nsCOMPtr_helper _vft16nsQueryInterface15nsCOMPtr_helper =
|
|
|
|
{
|
|
|
|
VFTFIRST_VAL()
|
|
|
|
QI_COM__operator_paratheses, VFTDELTA_VAL()
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
* -----
|
|
|
|
* C++ Code:
|
|
|
|
void
|
|
|
|
assign_assuming_AddRef( nsISupports* newPtr )
|
|
|
|
{
|
|
|
|
/ *
|
|
|
|
|AddRef()|ing the new value (before entering this function) before
|
|
|
|
|Release()|ing the old lets us safely ignore the self-assignment case.
|
|
|
|
We must, however, be careful only to |Release()| _after_ doing the
|
|
|
|
assignment, in case the |Release()| leads to our _own_ destruction,
|
|
|
|
which would, in turn, cause an incorrect second |Release()| of our old
|
|
|
|
pointer. Thank <waterson@netscape.com> for discovering this.
|
|
|
|
* /
|
|
|
|
nsISupports* oldPtr = mRawPtr;
|
|
|
|
mRawPtr = newPtr;
|
|
|
|
NSCAP_LOG_ASSIGNMENT(this, newPtr);
|
|
|
|
NSCAP_LOG_RELEASE(this, oldPtr);
|
|
|
|
if ( oldPtr )
|
|
|
|
NSCAP_RELEASE(this, oldPtr);
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
extern "C" void VFTCALL assign_assuming_AddRef__13nsCOMPtr_baseFP11nsISupports(void *pvThis, obj_nsISupports *newPtr)
|
|
|
|
{
|
|
|
|
obj_nsCOMPtr_base *pThis = (obj_nsCOMPtr_base *)pvThis;
|
|
|
|
obj_nsISupports *oldPtr;
|
|
|
|
|
|
|
|
oldPtr = pThis->mRawPtr;
|
|
|
|
pThis->mRawPtr = newPtr;
|
|
|
|
if (oldPtr)
|
|
|
|
{
|
|
|
|
/* NSCAP_RELEASE(this, oldPtr); */
|
|
|
|
pThis->mRawPtr->pVFT->Release(oldPtr + oldPtr->pVFT->uDeltaRelease);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
* -----
|
|
|
|
* Assembly:
|
|
|
|
; 77 nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid )
|
|
|
|
align 010h
|
|
|
|
|
|
|
|
public assign_from_helper__13nsCOMPtr_baseFRC15nsCOMPtr_helperRC4nsID
|
|
|
|
assign_from_helper__13nsCOMPtr_baseFRC15nsCOMPtr_helperRC4nsID proc
|
|
|
|
push ebp
|
|
|
|
mov ebp,esp
|
|
|
|
sub esp,08h
|
|
|
|
push ebx
|
|
|
|
sub esp,0ch
|
|
|
|
mov [ebp+08h],eax; this
|
|
|
|
mov [ebp+0ch],edx; helper
|
|
|
|
mov [ebp+010h],ecx; iid
|
|
|
|
|
2007-07-08 00:08:04 -07:00
|
|
|
; 80 if ( NS_FAILED( helper(iid, reinterpret_cast<void**>(&newRawPtr)) ) )
|
2007-03-22 10:30:00 -07:00
|
|
|
lea ecx,[ebp-04h]; newRawPtr
|
|
|
|
mov edx,[ebp+010h]; iid
|
|
|
|
mov ebx,[ebp+0ch]; helper
|
|
|
|
mov ebx,[ebx]
|
|
|
|
mov eax,[ebp+0ch]; helper
|
|
|
|
add eax,[ebx+0ch]
|
|
|
|
mov ebx,[ebp+0ch]; helper
|
|
|
|
mov ebx,[ebx]
|
|
|
|
call dword ptr [ebx+08h]
|
|
|
|
test eax,080000000h
|
|
|
|
je @BLBL8
|
|
|
|
|
|
|
|
; 81 newRawPtr = 0;
|
|
|
|
mov dword ptr [ebp-04h],0h; newRawPtr
|
|
|
|
@BLBL8:
|
|
|
|
|
|
|
|
; 82 assign_assuming_AddRef(newRawPtr);
|
|
|
|
mov edx,[ebp-04h]; newRawPtr
|
|
|
|
mov eax,[ebp+08h]; this
|
|
|
|
call assign_assuming_AddRef__13nsCOMPtr_baseFP11nsISupports
|
|
|
|
add esp,0ch
|
|
|
|
pop ebx
|
|
|
|
mov esp,ebp
|
|
|
|
pop ebp
|
|
|
|
ret
|
|
|
|
assign_from_helper__13nsCOMPtr_baseFRC15nsCOMPtr_helperRC4nsID endp
|
|
|
|
|
|
|
|
* -----
|
|
|
|
* C Code:
|
|
|
|
void
|
|
|
|
nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid )
|
|
|
|
{
|
|
|
|
nsISupports* newRawPtr;
|
2007-07-08 00:08:04 -07:00
|
|
|
if ( NS_FAILED( helper(iid, reinterpret_cast<void**>(&newRawPtr)) ) )
|
2007-03-22 10:30:00 -07:00
|
|
|
newRawPtr = 0;
|
|
|
|
assign_assuming_AddRef(newRawPtr);
|
|
|
|
}
|
|
|
|
*/
|
|
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extern "C" void VFTCALL assign_from_helper__13nsCOMPtr_baseFRC15nsCOMPtr_helperRC4nsID(
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void *pvThis, void * helper, REFNSIID iid)
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{
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obj_nsCOMPtr_base *pThis = (obj_nsCOMPtr_base *)pvThis;
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obj_nsISupports* newRawPtr = NULL;
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nsresult status = NS_ERROR_FAILURE;
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//asm("int $3");
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/* this may or may not be correct but the layout is the same. */
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obj_nsQueryInterface_nsCOMPtr_helper * pHelper = (obj_nsQueryInterface_nsCOMPtr_helper*)helper;
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2007-07-08 00:08:04 -07:00
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/* if ( NS_FAILED( helper(iid, reinterpret_cast<void**>(&newRawPtr)) ) ) */
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2007-03-22 10:30:00 -07:00
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status = pHelper->pVFT->__operator_paratheses((char*)pHelper + pHelper->pVFT->uDelta__operator_paratheses,
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iid, (void**)&newRawPtr);
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if (NS_FAILED(status))
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newRawPtr = 0;
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/* assign_assuming_AddRef(newRawPtr); */
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assign_assuming_AddRef__13nsCOMPtr_baseFP11nsISupports(pThis, newRawPtr);
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}
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