/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** 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): * * 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. */ #pragma export on #include "xptcprivate.h" #if defined(XP_MAC) /* For mac, the first 8 integral and the first 13 f.p. parameters arrive in a separate chunk of data that has been loaded from the registers. The args pointer has been set to the start of the parameters BEYOND the ones arriving in registers */ extern "C" nsresult PrepareAndDispatch(nsXPTCStubBase* self, PRUint32 methodIndex, PRUint32* args, PRUint32 *gprData, double *fprData) { #define PARAM_BUFFER_COUNT 16 #define PARAM_GPR_COUNT 7 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; nsXPTCMiniVariant* dispatchParams = NULL; nsIInterfaceInfo* iface_info = NULL; const nsXPTMethodInfo* info; PRUint8 paramCount; PRUint8 i; nsresult result = NS_ERROR_FAILURE; 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(); // 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; PRUint32 iCount = 0; PRUint32 fpCount = 0; for(i = 0; i < paramCount; i++) { const nsXPTParamInfo& param = info->GetParam(i); const nsXPTType& type = param.GetType(); nsXPTCMiniVariant* dp = &dispatchParams[i]; if(param.IsOut() || !type.IsArithmetic()) { if (iCount < PARAM_GPR_COUNT) dp->val.p = (void*) gprData[iCount++]; else dp->val.p = (void*) *ap++; continue; } // else switch(type) { case nsXPTType::T_I8 : if (iCount < PARAM_GPR_COUNT) dp->val.i8 = (PRInt8) gprData[iCount++]; else dp->val.i8 = (PRInt8) *ap++; break; case nsXPTType::T_I16 : if (iCount < PARAM_GPR_COUNT) dp->val.i16 = (PRInt16) gprData[iCount++]; else dp->val.i16 = (PRInt16) *ap++; break; case nsXPTType::T_I32 : if (iCount < PARAM_GPR_COUNT) dp->val.i32 = (PRInt32) gprData[iCount++]; else dp->val.i32 = (PRInt32) *ap++; break; case nsXPTType::T_I64 : #ifdef HAVE_LONG_LONG PRUint64 tempu64; if (iCount & 1) iCount++; // longlongs are aligned in odd/even register pairs, eg. r5/r6 if ((iCount + 1) < PARAM_GPR_COUNT) { tempu64 = *(PRUint64*) &gprData[iCount]; iCount += 2; } else { if ((PRUint32) ap & 4) ap++; // longlongs are 8-byte aligned on stack tempu64 = *(PRUint64*) ap; ap += 2; } dp->val.i64 = (PRUint64)tempu64; #else if (iCount < PARAM_GPR_COUNT) dp->val.i64.hi = (PRInt32) gprData[iCount++]; else dp->val.i64.hi = (PRInt32) *ap++; if (iCount < PARAM_GPR_COUNT) dp->val.i64.lo = (PRUint32) gprData[iCount++]; else dp->val.i64.lo = (PRUint32) *ap++; #endif break; case nsXPTType::T_U8 : if (iCount < PARAM_GPR_COUNT) dp->val.i8 = (PRUint8) gprData[iCount++]; else dp->val.i8 = (PRUint8) *ap++; break; case nsXPTType::T_U16 : if (iCount < PARAM_GPR_COUNT) dp->val.i16 = (PRUint16) gprData[iCount++]; else dp->val.i16 = (PRUint16) *ap++; break; case nsXPTType::T_U32 : if (iCount < PARAM_GPR_COUNT) dp->val.i32 = (PRUint32) gprData[iCount++]; else dp->val.i32 = (PRUint32) *ap++; break; case nsXPTType::T_U64 : #ifdef HAVE_LONG_LONG // PRUint64 tempu64; // declared above and still in scope if (iCount & 1) iCount++; // longlongs are aligned in odd/even register pairs, eg. r5/r6 if ((iCount + 1) < PARAM_GPR_COUNT) { tempu64 = *(PRUint64*) &gprData[iCount]; iCount += 2; } else { if ((PRUint32) ap & 4) ap++; // longlongs are 8-byte aligned on stack tempu64 = *(PRUint64*) ap; ap += 2; } dp->val.i64 = (PRUint64)tempu64; #else if (iCount < PARAM_GPR_COUNT) dp->val.i64.hi = (PRUint32) gprData[iCount++]; else dp->val.i64.hi = (PRUint32) *ap++; if (iCount < PARAM_GPR_COUNT) dp->val.i64.lo = (PRUint32) gprData[iCount++]; else dp->val.i64.lo = (PRUint32) *ap++; #endif break; case nsXPTType::T_FLOAT : if (fpCount < 13) { dp->val.f = (float) fprData[fpCount++]; if (iCount < PARAM_GPR_COUNT) ++iCount; else ++ap; } else dp->val.f = *((float*) ap++); break; case nsXPTType::T_DOUBLE : if (fpCount < 13) { dp->val.d = (double) fprData[fpCount++]; if (iCount < PARAM_GPR_COUNT) ++iCount; else ++ap; if (iCount < PARAM_GPR_COUNT) ++iCount; else ++ap; } else { dp->val.f = *((double*) ap); ap += 2; } break; case nsXPTType::T_BOOL : if (iCount < PARAM_GPR_COUNT) dp->val.b = (PRBool) gprData[iCount++]; else dp->val.b = (PRBool) *ap++; break; case nsXPTType::T_CHAR : if (iCount < PARAM_GPR_COUNT) dp->val.c = (char) gprData[iCount++]; else dp->val.c = (char) *ap++; break; case nsXPTType::T_WCHAR : if (iCount < PARAM_GPR_COUNT) dp->val.wc = (wchar_t) gprData[iCount++]; else 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; } extern "C" void SharedStub(); #define STUB_ENTRY(n) \ asm nsresult nsXPTCStubBase::Stub##n() \ { \ addi r12,r0,n; \ b SharedStub \ } #define SENTINEL_ENTRY(n) \ nsresult nsXPTCStubBase::Sentinel##n() \ { \ NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \ return NS_ERROR_NOT_IMPLEMENTED; \ } #include "xptcstubsdef.inc" #pragma export off #endif