diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_hppa/call.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_hppa/call.cxx | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_hppa/call.cxx b/bridges/source/cpp_uno/gcc3_linux_hppa/call.cxx new file mode 100644 index 000000000..29f01bfbd --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_hppa/call.cxx @@ -0,0 +1,133 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + +#include <malloc.h> +#include <rtl/alloc.h> + +#include <com/sun/star/uno/genfunc.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <uno/data.h> + +#include <bridge.hxx> +#include <types.hxx> +#include <unointerfaceproxy.hxx> +#include <vtables.hxx> + +#include "share.hxx" + +#include <stdio.h> +#include <string.h> + +using namespace ::com::sun::star::uno; + +void MapReturn(sal_uInt32 ret0, sal_uInt32 ret1, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, sal_uInt32 *pRegisterReturn) +{ + register float fret asm("fr4"); + register double dret asm("fr4"); + + switch (pReturnTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + pRegisterReturn[1] = ret1; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + pRegisterReturn[0] = ret0; + break; + case typelib_TypeClass_FLOAT: + *(float*)pRegisterReturn = fret; + break; + case typelib_TypeClass_DOUBLE: + *(double*)pRegisterReturn = dret; + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + { + if (bRegisterReturn) + { + pRegisterReturn[0] = ret0; + pRegisterReturn[1] = ret1; + } + break; + } + default: + break; + } +} + +//Moved callVirtual into this .cxx so that I can do this and get gcc to not +//touch r28 without having to learn any more pa-risc assembly than is +//strictly necessary +register sal_uInt32 r28 __asm__("%r28"); + +void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex, + void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, + sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR) __attribute__((noinline)); + +void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex, + void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, + sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR) +{ + register sal_uInt32* sp __asm__("%r30"); + + sal_uInt32 pMethod = *((sal_uInt32*)pThis); + pMethod += 4 * nVtableIndex; + pMethod = *((sal_uInt32 *)pMethod); + +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "this is %p\n", pGPR[0]); + for (int i = 0; i < hppa::MAX_GPR_REGS ; ++i) + fprintf(stderr, "normal reg %d is %d %x\n", i, pGPR[i], pGPR[i]); + + for (int i = 0; i < hppa::MAX_SSE_REGS ; ++i) + fprintf(stderr, "float reg %d is %x\n", i, pFPR[i]); + + for (int i = 0; i < nStack; ++i) + fprintf(stderr, "stack bytes are %x\n", pStack[i]); +#endif + + //Always reserve 4 slots, and align to 8 bytes + sal_uInt32 nStackBytes = ( ( nStack + 4 + 1 ) >> 1 ) * 8; + __builtin_alloca(nStackBytes); + sal_uInt32 *stack = sp-8; + int o = -5; + for (sal_uInt32 i = 0; i < nStack; ++i, --o) + stack[o] = pStack[i]; + + typedef int (* FunctionCall )( sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32 ); + FunctionCall pFunc = (FunctionCall)pMethod; + + asm volatile("fldd %0, %%fr4" : : "m"(pFPR[0]) : "fr4"); + asm volatile("fldd %0, %%fr5" : : "m"(pFPR[1]) : "fr5"); + asm volatile("fldd %0, %%fr6" : : "m"(pFPR[2]) : "fr6"); + asm volatile("fldd %0, %%fr7" : : "m"(pFPR[3]) : "fr7"); + asm volatile("ldw %0, %%r28" : : "m"(pRegisterReturn) : "r28"); + (*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3]); + + register sal_uInt32 r29 __asm__("%r29"); + MapReturn(r28, r29, pReturnTypeDescr, bRegisterReturn, (sal_uInt32*)pRegisterReturn); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |