/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla 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/MPL/ * * 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 the Initial Developer are Copyright (C) 1999 * the Initial Developer. All Rights Reserved. * * Contributor(s): * John Fairhurst * Henry Sobotka added VAC++ support * and fixed emx asm to work with gcc 2.95.2 (Jan. 2000) * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* Implement shared vtbl methods */ #include "xptcprivate.h" #if !defined (__EMX__) && !defined(__IBMCPP__) #error "This code is only for OS/2" #endif // Procedure in xptcall_vacpp.asm #ifdef XP_OS2_VACPP extern nsresult SetEntryFromIndex(int stubidx); #endif #ifdef XP_OS2_VACPP nsresult PrepareAndDispatch( nsXPTCStubBase *self, PRUint32 methodIndex, PRUint32 *args) #else static nsresult PrepareAndDispatch( nsXPTCStubBase *self, PRUint32 methodIndex, PRUint32 *args) #endif { #define PARAM_BUFFER_COUNT 16 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; nsXPTCMiniVariant* dispatchParams = NULL; nsIInterfaceInfo* iface_info = NULL; const nsXPTMethodInfo* info; PRUint8 paramCount; PRUint8 i; nsresult result = NS_ERROR_FAILURE; // If anything fails before stackBytesToPop can be set then // the failure is completely catastrophic! NS_ASSERTION(self,"no self"); self->GetInterfaceInfo(&iface_info); NS_ASSERTION(iface_info,"no interface info"); iface_info->GetMethodInfo(PRUint16(methodIndex), &info); NS_ASSERTION(info,"no interface info"); paramCount = info->GetParamCount(); #ifdef XP_OS2_VACPP /* If paramCount is > 0, write out the EDX pointer to the space on the stack args[0]. args[-4] is the space on the stack where it was pushed */ if (paramCount) { args[0] = args[-4]; /* If this is the second parameter, or if the first parameter is an 8 byte long long, write out the ECX pointer to the space on the stack args[1]. args[-3] is the space on the stack where it was pushed */ nsXPTType type = info->GetParam(0).GetType(); if( paramCount > 1 || type == nsXPTType::T_I64 || type == nsXPTType::T_U64 ) { args[1] = args[-3]; } } #endif // setup variant array pointer if(paramCount > PARAM_BUFFER_COUNT) dispatchParams = new nsXPTCMiniVariant[paramCount]; else dispatchParams = paramBuffer; NS_ASSERTION(dispatchParams,"no place for params"); PRUint32* ap = args; for(i = 0; i < paramCount; i++, ap++) { const nsXPTParamInfo& param = info->GetParam(i); const nsXPTType& type = param.GetType(); nsXPTCMiniVariant* dp = &dispatchParams[i]; if(param.IsOut() || !type.IsArithmetic()) { dp->val.p = (void*) *ap; continue; } // else switch(type) { case nsXPTType::T_I8 : dp->val.i8 = *((PRInt8*) ap); break; case nsXPTType::T_I16 : dp->val.i16 = *((PRInt16*) ap); break; case nsXPTType::T_I32 : dp->val.i32 = *((PRInt32*) ap); break; case nsXPTType::T_I64 : dp->val.i64 = *((PRInt64*) ap); ap++; break; case nsXPTType::T_U8 : dp->val.u8 = *((PRUint8*) ap); break; case nsXPTType::T_U16 : dp->val.u16 = *((PRUint16*)ap); break; case nsXPTType::T_U32 : dp->val.u32 = *((PRUint32*)ap); break; case nsXPTType::T_U64 : dp->val.u64 = *((PRUint64*)ap); ap++; break; case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break; case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break; case nsXPTType::T_BOOL : dp->val.b = *((PRBool*) ap); break; case nsXPTType::T_CHAR : dp->val.c = *((char*) ap); break; case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break; default: NS_ASSERTION(0, "bad type"); break; } } result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams); NS_RELEASE(iface_info); if(dispatchParams != paramBuffer) delete [] dispatchParams; return result; } #ifdef XP_OS2_VACPP #define STUB_ENTRY(n) #else #define STUB_ENTRY(n) \ nsresult nsXPTCStubBase::Stub##n() \ { \ register nsresult (*method) (nsXPTCStubBase *, PRUint32, PRUint32 *) = PrepareAndDispatch; \ int temp0, temp1; \ register nsresult result; \ __asm__ __volatile__( \ "leal 0x0c(%%ebp), %%ecx\n\t" /* args */ \ "pushl %%ecx\n\t" \ "pushl $"#n"\n\t" /* method index */ \ "movl 0x08(%%ebp), %%ecx\n\t" /* this */ \ "pushl %%ecx\n\t" \ "call *%%edx\n\t" /* PrepareAndDispatch */ \ "addl $12, %%esp" \ : "=a" (result), /* %0 */ \ "=&c" (temp0), /* %1 */ \ "=d" (temp1) /* %2 */ \ : "2" (method) /* %2 */ \ : "memory" ); \ return result; \ } #endif #define SENTINEL_ENTRY(n) \ nsresult nsXPTCStubBase::Sentinel##n() \ { \ NS_ASSERTION(0,"nsXPCWrappedJS::Sentinel called"); \ return NS_ERROR_NOT_IMPLEMENTED; \ } #include "xptcstubsdef.inc"