summaryrefslogtreecommitdiff
path: root/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx')
-rw-r--r--bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx805
1 files changed, 805 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx
new file mode 100644
index 000000000000..b6fd1d461cfd
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx
@@ -0,0 +1,805 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#include <com/sun/star/uno/genfunc.hxx>
+#include <typelib/typedescription.hxx>
+#include <uno/data.h>
+#include <osl/endian.h>
+#include "bridges/cpp_uno/shared/bridge.hxx"
+#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
+#include "bridges/cpp_uno/shared/types.hxx"
+#include "bridges/cpp_uno/shared/vtablefactory.hxx"
+#include "share.hxx"
+
+#include <stdio.h>
+#include <string.h>
+
+using namespace com::sun::star::uno;
+
+//#define BRDEBUG
+
+#ifdef BRDEBUG
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <osl/diagnose.h>
+#include <osl/mutex.hxx>
+using namespace ::std;
+using namespace ::osl;
+using namespace ::rtl;
+#endif
+#include <sys/sysmips.h>
+
+#ifdef OSL_BIGENDIAN
+#define IS_BIG_ENDIAN 1
+#else
+#define IS_BIG_ENDIAN 0
+#endif
+
+using namespace ::com::sun::star::uno;
+
+namespace
+{
+
+ //==================================================================================================
+ static typelib_TypeClass cpp2uno_call(
+ bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
+ const typelib_TypeDescription * pMemberTypeDescr,
+ typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
+ sal_Int32 nParams, typelib_MethodParameter * pParams,
+ void ** gpreg, void ** /*fpreg*/, void ** ovrflw,
+ sal_Int64 * pRegisterReturn /* space for register return */ )
+ {
+ /* Most MIPS ABIs view the arguments as a struct, of which the
+ first N words go in registers and the rest go on the stack. If I < N, the
+ Ith word might go in Ith integer argument register or the Ith
+ floating-point one. For these ABIs, we only need to remember the number
+ of words passed so far. We are interested only in o32 ABI,so it is the
+ case.
+ */
+ int nw = 0; // number of words used by arguments
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call1\n");
+#endif
+
+ /* C++ has [ret *] or this as the first arguments, so no arguments will
+ * be passed in floating-point registers?
+ */
+ //int int_seen = 0; // have we seen integer arguments?
+
+ void ** pCppStack; //temporary stack pointer
+
+ // gpreg: [ret *], this, [gpr params]
+ // fpreg: [fpr params]
+ // ovrflw: [gpr or fpr params (properly aligned)]
+
+ // return
+ typelib_TypeDescription * pReturnTypeDescr = 0;
+ if (pReturnTypeRef)
+ TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+
+ void * pUnoReturn = 0;
+ void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
+
+ if (pReturnTypeDescr)
+ {
+ if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
+ {
+ pUnoReturn = pRegisterReturn; // direct way for simple types
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:simplereturn\n");
+#endif
+ }
+ else // complex return via ptr (pCppReturn)
+ {
+ pCppReturn = *(void **)gpreg;
+ gpreg++;
+ nw++;
+
+ pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
+ ? alloca( pReturnTypeDescr->nSize )
+ : pCppReturn); // direct way
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:complexreturn\n");
+#endif
+ }
+ }
+
+ // pop this
+ gpreg++;
+ nw++;
+
+ // stack space
+ OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
+ // parameters
+ void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
+ void ** pCppArgs = pUnoArgs + nParams;
+ // indizes of values this have to be converted (interface conversion cpp<=>uno)
+ sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
+ // type descriptions for reconversions
+ typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
+
+ sal_Int32 nTempIndizes = 0;
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:nParams=%d\n",nParams);
+#endif
+
+ for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
+ {
+ const typelib_MethodParameter & rParam = pParams[nPos];
+ typelib_TypeDescription * pParamTypeDescr = 0;
+ TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
+
+ if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
+ // value
+ {
+
+ switch (pParamTypeDescr->eTypeClass)
+ {
+ case typelib_TypeClass_DOUBLE:
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:hyper=%d,%p\n",pParamTypeDescr->eTypeClass,gpreg[0]);
+#endif
+ if (nw < 3) {
+ if (nw & 1) {
+ nw++;
+ gpreg++;
+ }
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:gpreg=%p,%p\n",gpreg[0],gpreg[1]);
+#endif
+ pCppArgs[nPos] = gpreg;
+ pUnoArgs[nPos] = gpreg;
+ nw += 2;
+ gpreg += 2;
+ } else {
+ if (((long)ovrflw) & 4) ovrflw++;
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:overflw=%p,%p\n",ovrflw[0],ovrflw[1]);
+#endif
+ pCppArgs[nPos] = ovrflw;
+ pUnoArgs[nPos] = ovrflw;
+ ovrflw += 2;
+ }
+ break;
+
+ case typelib_TypeClass_BYTE:
+ case typelib_TypeClass_BOOLEAN:
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:byte=%p,%p\n",gpreg[0],ovrflw[0]);
+#endif
+ if (nw < 4) {
+ pCppArgs[nPos] = ((char *)gpreg + 3*IS_BIG_ENDIAN);
+ pUnoArgs[nPos] = ((char *)gpreg + 3*IS_BIG_ENDIAN);
+ nw++;
+ gpreg++;
+ } else {
+ pCppArgs[nPos] = ((char *)ovrflw + 3*IS_BIG_ENDIAN);
+ pUnoArgs[nPos] = ((char *)ovrflw + 3*IS_BIG_ENDIAN);
+ ovrflw++;
+ }
+ break;
+
+
+ case typelib_TypeClass_CHAR:
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:char=%p,%p\n",gpreg[0],ovrflw[0]);
+#endif
+ if (nw < 4) {
+ pCppArgs[nPos] = ((char *)gpreg + 2*IS_BIG_ENDIAN);
+ pUnoArgs[nPos] = ((char *)gpreg + 2*IS_BIG_ENDIAN);
+ nw++;
+ gpreg++;
+ } else {
+ pCppArgs[nPos] = ((char *)ovrflw + 2*IS_BIG_ENDIAN);
+ pUnoArgs[nPos] = ((char *)ovrflw + 2*IS_BIG_ENDIAN);
+ ovrflw++;
+ }
+ break;
+
+
+ default:
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:def=%p,%p\n",gpreg[0],ovrflw[0]);
+#endif
+ if (nw < 4) {
+ pCppArgs[nPos] = gpreg;
+ pUnoArgs[nPos] = gpreg;
+ nw++;
+ gpreg++;
+ } else {
+ pCppArgs[nPos] = ovrflw;
+ pUnoArgs[nPos] = ovrflw;
+ ovrflw++;
+ }
+ break;
+
+ }
+ // no longer needed
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ else // ptr to complex value | ref
+ {
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:ptr|ref\n");
+#endif
+ if (nw < 4) {
+ pCppArgs[nPos] = *(void **)gpreg;
+ pCppStack = gpreg;
+ nw++;
+ gpreg++;
+ } else {
+ pCppArgs[nPos] = *(void **)ovrflw;
+ pCppStack = ovrflw;
+ ovrflw++;
+ }
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:pCppStack=%p\n",pCppStack);
+#endif
+
+ if (! rParam.bIn) // is pure out
+ {
+ // uno out is unconstructed mem!
+ pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
+ pTempIndizes[nTempIndizes] = nPos;
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
+ }
+ // is in/inout
+ else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
+ {
+ uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+ *(void **)pCppStack, pParamTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:related to interface,%p,%d,pUnoargs[%d]=%p\n",*(void**)pCppStack,pParamTypeDescr->nSize,nPos,pUnoArgs[nPos]);
+#endif
+ }
+ else // direct way
+ {
+ pUnoArgs[nPos] = *(void **)pCppStack;
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call:direct,pUnoArgs[%d]=%p\n",nPos,pUnoArgs[nPos]);
+#endif
+ // no longer needed
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ }
+ }
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call2,%p,unoargs=%p\n",pThis->getUnoI()->pDispatcher,pUnoArgs);
+#endif
+
+ // ExceptionHolder
+ uno_Any aUnoExc; // Any will be constructed by callee
+ uno_Any * pUnoExc = &aUnoExc;
+
+ // invoke uno dispatch call
+ (*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp2uno_call2,after dispatch\n");
+#endif
+
+ // in case an exception occured...
+ if (pUnoExc)
+ {
+ // destruct temporary in/inout params
+ for ( ; nTempIndizes--; )
+ {
+ sal_Int32 nIndex = pTempIndizes[nTempIndizes];
+
+ if (pParams[nIndex].bIn) // is in/inout => was constructed
+ uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
+ TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
+ }
+ if (pReturnTypeDescr)
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+
+ CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() );
+ // has to destruct the any
+ // is here for dummy
+ return typelib_TypeClass_VOID;
+ }
+ else // else no exception occured...
+ {
+ // temporary params
+ for ( ; nTempIndizes--; )
+ {
+ sal_Int32 nIndex = pTempIndizes[nTempIndizes];
+ typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
+
+ if (pParams[nIndex].bOut) // inout/out
+ {
+ // convert and assign
+ uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
+ uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
+ pThis->getBridge()->getUno2Cpp() );
+ }
+ // destroy temp uno param
+ uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
+
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ // return
+ if (pCppReturn) // has complex return
+ {
+ if (pUnoReturn != pCppReturn) // needs reconversion
+ {
+ uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
+ pThis->getBridge()->getUno2Cpp() );
+ // destroy temp uno return
+ uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
+ }
+ // complex return ptr is set to return reg
+ *(void **)pRegisterReturn = pCppReturn;
+ }
+ if (pReturnTypeDescr)
+ {
+ typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+ return eRet;
+ }
+ else
+ return typelib_TypeClass_VOID;
+ }
+ }
+
+
+ //==================================================================================================
+ static typelib_TypeClass cpp_mediate(
+ sal_Int32 nFunctionIndex,
+ sal_Int32 nVtableOffset,
+ void ** gpreg, void ** fpreg, void ** ovrflw,
+ sal_Int64 * pRegisterReturn /* space for register return */ )
+ {
+ OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate1 gp=%p,fp=%p,ov=%p\n",gpreg,fpreg,ovrflw);
+ fprintf(stderr,"gp=%x,%x,%x,%x\n",gpreg[0],gpreg[1],gpreg[2],gpreg[3]);
+#endif
+
+ // gpreg: [ret *], this, [other gpr params]
+ // fpreg: [fpr params]
+ // ovrflw: [gpr or fpr params (properly aligned)]
+
+ void * pThis;
+ if (nFunctionIndex & 0x80000000 )
+ {
+ nFunctionIndex &= 0x7fffffff;
+ pThis = gpreg[1];
+ }
+ else
+ {
+ pThis = gpreg[0];
+ }
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate12,pThis=%p, nFunctionIndex=%d,nVtableOffset=%d\n",pThis,nFunctionIndex,nVtableOffset);
+#endif
+
+ pThis = static_cast< char * >(pThis) - nVtableOffset;
+ bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
+ = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
+ pThis);
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate13,pCppI=%p\n",pCppI);
+#endif
+
+ typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate2\n");
+#endif
+ OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
+ if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
+ {
+ throw RuntimeException(
+ rtl::OUString::createFromAscii("illegal vtable index!"),
+ (XInterface *)pThis );
+ }
+
+ // determine called method
+ sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
+ OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
+
+ TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
+
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate3\n");
+ OString cstr( OUStringToOString( aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
+ fprintf( stderr, "calling %s, nFunctionIndex=%d\n", cstr.getStr(), nFunctionIndex );
+#endif
+ typelib_TypeClass eRet;
+ switch (aMemberDescr.get()->eTypeClass)
+ {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ {
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate4\n");
+#endif
+ if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
+ {
+ // is GET method
+ eRet = cpp2uno_call(
+ pCppI, aMemberDescr.get(),
+ ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
+ 0, 0, // no params
+ gpreg, fpreg, ovrflw, pRegisterReturn );
+ }
+ else
+ {
+ // is SET method
+ typelib_MethodParameter aParam;
+ aParam.pTypeRef =
+ ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
+ aParam.bIn = sal_True;
+ aParam.bOut = sal_False;
+
+ eRet = cpp2uno_call(
+ pCppI, aMemberDescr.get(),
+ 0, // indicates void return
+ 1, &aParam,
+ gpreg, fpreg, ovrflw, pRegisterReturn );
+ }
+ break;
+ }
+ case typelib_TypeClass_INTERFACE_METHOD:
+ {
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate5\n");
+#endif
+ // is METHOD
+ switch (nFunctionIndex)
+ {
+ case 1: // acquire()
+ pCppI->acquireProxy(); // non virtual call!
+ eRet = typelib_TypeClass_VOID;
+ break;
+ case 2: // release()
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate51\n");
+#endif
+ pCppI->releaseProxy(); // non virtual call!
+ eRet = typelib_TypeClass_VOID;
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate52\n");
+#endif
+ break;
+ case 0: // queryInterface() opt
+ {
+ typelib_TypeDescription * pTD = 0;
+ TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
+ if (pTD)
+ {
+ XInterface * pInterface = 0;
+ (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
+ pCppI->getBridge()->getCppEnv(),
+ (void **)&pInterface, pCppI->getOid().pData,
+ (typelib_InterfaceTypeDescription *)pTD );
+
+ if (pInterface)
+ {
+ ::uno_any_construct(
+ reinterpret_cast< uno_Any * >( gpreg[0] ),
+ &pInterface, pTD, cpp_acquire );
+ pInterface->release();
+ TYPELIB_DANGER_RELEASE( pTD );
+ *(void **)pRegisterReturn = gpreg[0];
+ eRet = typelib_TypeClass_ANY;
+ break;
+ }
+ TYPELIB_DANGER_RELEASE( pTD );
+ }
+ } // else perform queryInterface()
+ default:
+ eRet = cpp2uno_call(
+ pCppI, aMemberDescr.get(),
+ ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
+ ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
+ ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
+ gpreg, fpreg, ovrflw, pRegisterReturn );
+ }
+ break;
+ }
+ default:
+ {
+#ifdef BRDEBUG
+ fprintf(stderr,"cpp_mediate6\n");
+#endif
+ throw RuntimeException(
+ rtl::OUString::createFromAscii("no member description found!"),
+ (XInterface *)pThis );
+ // is here for dummy
+ eRet = typelib_TypeClass_VOID;
+ }
+ }
+
+ return eRet;
+ }
+
+ //==================================================================================================
+ /**
+ * is called on incoming vtable calls
+ * (called by asm snippets)
+ */
+// static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** fpregptr, void** ovrflw)
+// static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** ovrflw)
+ static void cpp_vtable_call(void)
+ {
+ int nFunctionIndex;
+ int vTableOffset;
+ void** pCallStack;
+ void** ovrflw;
+
+ sal_Int32 gpreg[4];
+ double fpreg[2];
+
+ //memcpy( fpreg, fpregptr, 16);
+
+ volatile long nRegReturn[2];
+
+ __asm__( "sw $4, %0\n\t"
+ "sw $5, %1\n\t"
+ "sw $6, %2\n\t"
+ "sw $7, %3\n\t"
+ ::"m"(nFunctionIndex), "m"(vTableOffset), "m"(pCallStack), "m"(ovrflw) );
+
+ memcpy( gpreg, pCallStack, 16);
+
+#ifdef BRDEBUG
+ fprintf(stderr,"in cpp_vtable_call nFunctionIndex is %d\n",nFunctionIndex);
+ fprintf(stderr,"in cpp_vtable_call nVtableOffset is %d\n",vTableOffset);
+ fprintf(stderr,"gp=%x,%x,%x,%x\n",gpreg[0],gpreg[1],gpreg[2],gpreg[3]);
+#endif
+
+ //sal_Bool bComplex = nFunctionIndex & 0x80000000 ? sal_True : sal_False;
+
+ typelib_TypeClass aType =
+ cpp_mediate( nFunctionIndex, vTableOffset, (void**)gpreg, (void**)fpreg, ovrflw, (sal_Int64*)nRegReturn );
+
+ switch( aType )
+ {
+
+ // move return value into register space
+ // (will be loaded by machine code snippet)
+
+ case typelib_TypeClass_BOOLEAN:
+ case typelib_TypeClass_BYTE:
+ __asm__( "lbu $2,%0\n\t" : :
+ "m"(nRegReturn[0]) );
+ break;
+
+ case typelib_TypeClass_CHAR:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ __asm__( "lhu $2,%0\n\t" : :
+ "m"(nRegReturn[0]) );
+ break;
+
+ case typelib_TypeClass_SHORT:
+ __asm__( "lh $2,%0\n\t" : :
+ "m"(nRegReturn[0]) );
+ break;
+
+
+ case typelib_TypeClass_FLOAT:
+ __asm__( "lwc1 $f0,%0\n\t" : :
+ "m" (*((float*)nRegReturn)) );
+ break;
+
+ case typelib_TypeClass_DOUBLE:
+ { register double dret asm("$f0");
+ dret = (*((double*)nRegReturn)); }
+ break;
+
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ __asm__( "lw $3,%0\n\t" : :
+ "m"(nRegReturn[1]) ); // fall through
+
+ default:
+ __asm__( "lw $2,%0\n\t" : :
+ "m"(nRegReturn[0]) );
+ break;
+ }
+ }
+
+
+ int const codeSnippetSize = 56;
+
+ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
+ bool simpleRetType)
+ {
+
+#ifdef BRDEBUG
+ fprintf(stderr,"in codeSnippet functionIndex is %d\n", functionIndex);
+ fprintf(stderr,"in codeSnippet vtableOffset is %d\n", vtableOffset);
+ fflush(stderr);
+#endif
+
+ if (! simpleRetType )
+ functionIndex |= 0x80000000;
+
+ unsigned long * p = (unsigned long *) code;
+
+ // OSL_ASSERT( sizeof (long) == 4 );
+ OSL_ASSERT((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake
+
+ /* generate this code */
+ /*
+ #save regs into argument space required by mips abi
+ c: afa40000 sw a0,0(sp)
+ 10: afa50004 sw a1,4(sp)
+ 14: afa60008 sw a2,8(sp)
+ 18: afa7000c sw a3,12(sp)
+ #a0=index
+ 1c: 3c040000 lui a0,0x0
+ 20: 34840000 ori a0,a0,0x0
+ #a1=offset
+ 24: 3c050000 lui a1,0x0
+ 28: 34a50000 ori a1,a1,0x0
+ #a2=gpregptr
+ 2c: 27a60000 addiu a2,sp,0
+ #a3=ovrflw
+ 30: 27a70010 addiu a3,sp,16
+ #load cpp_vtable_call addr
+ 34: 3c190000 lui t9,0x0
+ 38: 37390000 ori t9,t9,0
+ #jmp to the function,note: we don't use jalr, that will destroy $ra
+ #but be sure to use t9! gp calculation depends on it
+ 3c: 03200008 jr t9
+ 40: 00000000 nop
+
+ be careful, we use the argument space reserved by the caller to
+ write down regs. This can avoid the need to make use of arbitary far away
+ stack space or to allocate a function frame for this code snippet itself.
+ Since only functions with variable arguments will overwrite the space,
+ cpp_vtable_call should be safe.
+ ??? gcc seems change this behavior! cpp_vtable_call overwrite the space!
+ */
+
+ * p++ = 0xafa40000;
+ * p++ = 0xafa50004;
+ * p++ = 0xafa60008;
+ * p++ = 0xafa7000c;
+ * p++ = 0x3c040000 | ((functionIndex>>16) & 0x0000ffff);
+ * p++ = 0x34840000 | (functionIndex & 0x0000ffff);
+ * p++ = 0x3c050000 | ((vtableOffset>>16) & 0x0000ffff);
+ * p++ = 0x34a50000 | (vtableOffset & 0x0000ffff);
+ * p++ = 0x27a60000;
+ * p++ = 0x27a70010;
+ * p++ = 0x3c190000 | ((((unsigned long)cpp_vtable_call) >> 16) & 0x0000ffff);
+ * p++ = 0x37390000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF);
+ * p++ = 0x03200008;
+ * p++ = 0x00000000;
+ return (code + codeSnippetSize);
+
+ }
+
+
+}
+
+
+#define MIN_LINE_SIZE 32
+
+void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * /*bptr*/, unsigned char const * /*eptr*/)
+{
+ sysmips(FLUSH_CACHE,0,0,0);
+}
+
+struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
+
+bridges::cpp_uno::shared::VtableFactory::Slot *
+bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
+{
+ return static_cast< Slot * >(block) + 2;
+}
+
+
+sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
+ sal_Int32 slotCount)
+{
+ return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
+}
+
+bridges::cpp_uno::shared::VtableFactory::Slot *
+bridges::cpp_uno::shared::VtableFactory::initializeBlock(
+ void * block, sal_Int32 slotCount)
+{
+ Slot * slots = mapBlockToVtable(block);
+ slots[-2].fn = 0; //null
+ slots[-1].fn = 0; //destructor
+ return slots + slotCount;
+}
+
+unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
+ Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
+ typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
+ sal_Int32 functionCount, sal_Int32 vtableOffset)
+{
+ (*slots) -= functionCount;
+ Slot * s = *slots;
+#ifdef BRDEBUG
+ fprintf(stderr, "in addLocalFunctions functionOffset is %d\n",functionOffset);
+ fprintf(stderr, "in addLocalFunctions vtableOffset is %d\n",vtableOffset);
+ fprintf(stderr, "nMembers=%d\n",type->nMembers);
+ fflush(stderr);
+#endif
+
+ for (sal_Int32 i = 0; i < type->nMembers; ++i) {
+ typelib_TypeDescription * member = 0;
+ TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
+ OSL_ASSERT(member != 0);
+ switch (member->eTypeClass) {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ // Getter:
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet(
+ code, functionOffset++, vtableOffset,
+ bridges::cpp_uno::shared::isSimpleType(
+ reinterpret_cast<
+ typelib_InterfaceAttributeTypeDescription * >(
+ member)->pAttributeTypeRef));
+
+ // Setter:
+ if (!reinterpret_cast<
+ typelib_InterfaceAttributeTypeDescription * >(
+ member)->bReadOnly)
+ {
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet(code, functionOffset++, vtableOffset, true);
+ }
+ break;
+
+ case typelib_TypeClass_INTERFACE_METHOD:
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet(
+ code, functionOffset++, vtableOffset,
+ bridges::cpp_uno::shared::isSimpleType(
+ reinterpret_cast<
+ typelib_InterfaceMethodTypeDescription * >(
+ member)->pReturnTypeRef));
+ break;
+
+ default:
+ OSL_ASSERT(false);
+ break;
+ }
+ TYPELIB_DANGER_RELEASE(member);
+ }
+ return code;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */