diff options
author | Caolán McNamara <cmc@openoffice.org> | 2009-12-01 11:47:26 +0000 |
---|---|---|
committer | Caolán McNamara <cmc@openoffice.org> | 2009-12-01 11:47:26 +0000 |
commit | d0a8f938405309b81e0705a63c365fa9c1394788 (patch) | |
tree | 4e81ccbc8388c5cbae84b1166e4fefa9902993fb | |
parent | ead5b1e338399f18cbabfbe7d38628f68443e680 (diff) |
cmcfixes68: #i107183# ppc-linux: add support for softfloat toolchains
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx | 71 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx | 6 | ||||
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx | 54 |
3 files changed, 115 insertions, 16 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx index deede37c942f..e901a110213f 100644 --- a/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx @@ -61,7 +61,9 @@ static typelib_TypeClass cpp2uno_call( sal_Int64 * pRegisterReturn /* space for register return */ ) { int ng = 0; //number of gpr registers used +#ifndef __NO_FPRS__ int nf = 0; //number of fpr regsiters used +#endif void ** pCppStack; //temporary stack pointer // gpreg: [ret *], this, [gpr params] @@ -123,11 +125,23 @@ static typelib_TypeClass cpp2uno_call( { case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ if (nf < 8) { pCppArgs[nPos] = fpreg; pUnoArgs[nPos] = fpreg; nf++; fpreg += 2; +#else + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng += 2; + gpreg += 2; +#endif } else { if (((long)ovrflw) & 4) ovrflw++; pCppArgs[nPos] = ovrflw; @@ -139,6 +153,7 @@ static typelib_TypeClass cpp2uno_call( case typelib_TypeClass_FLOAT: // fpreg are all double values so need to // modify fpreg to be a single word float value +#ifndef __NO_FPRS__ if (nf < 8) { float tmp = (float) (*((double *)fpreg)); (*((float *) fpreg)) = tmp; @@ -146,6 +161,13 @@ static typelib_TypeClass cpp2uno_call( pUnoArgs[nPos] = fpreg; nf++; fpreg += 2; +#else + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng++; + gpreg++; +#endif } else { #if 0 /* abi is not being followed correctly */ if (((long)ovrflw) & 4) ovrflw++; @@ -488,10 +510,12 @@ static typelib_TypeClass cpp_mediate( static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** fpregptr, void** ovrflw) { sal_Int32 gpreg[8]; - double fpreg[8]; - memcpy( gpreg, gpregptr, 32); + +#ifndef __NO_FPRS__ + double fpreg[8]; memcpy( fpreg, fpregptr, 64); +#endif volatile long nRegReturn[2]; @@ -499,10 +523,14 @@ static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpreg // fprintf(stderr,"in cpp_vtable_call nVtableOffset is %x\n",nVtableOffset); // fflush(stderr); - sal_Bool bComplex = nFunctionIndex & 0x80000000 ? sal_True : sal_False; - typelib_TypeClass aType = - cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, (void**)fpreg, ovrflw, (sal_Int64*)nRegReturn ); + cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, +#ifndef __NO_FPRS__ + (void**)fpreg, +#else + NULL, +#endif + ovrflw, (sal_Int64*)nRegReturn ); switch( aType ) { @@ -524,13 +552,25 @@ static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpreg break; case typelib_TypeClass_FLOAT: +#ifndef __NO_FPRS__ __asm__( "lfs 1,%0\n\t" : : "m" (*((float*)nRegReturn)) ); + #else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); +#endif break; case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ __asm__( "lfd 1,%0\n\t" : : "m" (*((double*)nRegReturn)) ); +#else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + __asm__( "lwz 4,%0\n\t" : : + "m"(nRegReturn[1]) ); +#endif break; case typelib_TypeClass_HYPER: @@ -577,6 +617,7 @@ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal // # next save fpr 1 to fpr 8 (aligned to 8) + // if dedicated floating point registers are used // stfd f1,-2016(r1) // stfd f2,-2008(r1) // stfd f3,-2000(r1) @@ -604,6 +645,10 @@ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal // #now load up the pointer to the saved fpr registers // addi r6,r1,-2016 + // if no dedicated floating point registers are used than we have NULL + // pointer there + // li r6, 0 + // // #now load up the pointer to the overflow call stack // addi r7,r1,8 @@ -617,6 +662,7 @@ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal * p++ = 0x9101f814; * p++ = 0x9121f818; * p++ = 0x9141f81c; +#ifndef __NO_FPRS__ * p++ = 0xd821f820; * p++ = 0xd841f828; * p++ = 0xd861f830; @@ -625,6 +671,17 @@ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal * p++ = 0xd8c1f848; * p++ = 0xd8e1f850; * p++ = 0xd901f858; +#else + /* these nops could be replaced with a smaller codeSnippetSize - 8 * 4 */ + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; +#endif * p++ = 0x3c600000 | (((unsigned long)cpp_vtable_call) >> 16); * p++ = 0x60630000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF); * p++ = 0x7c6903a6; @@ -633,7 +690,11 @@ unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal * p++ = 0x3c800000 | (((unsigned long)vtableOffset) >> 16); * p++ = 0x60840000 | (((unsigned long)vtableOffset) & 0x0000FFFF); * p++ = 0x38a1f800; +#ifndef __NO_FPRS__ * p++ = 0x38c1f820; +#else + * p++ = 0x38c00000; +#endif * p++ = 0x38e10008; * p++ = 0x4e800420; return (code + codeSnippetSize); diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx index 28ad7dc83ed7..adb10dae24c7 100644 --- a/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx @@ -137,8 +137,8 @@ type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THR OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName; MutexGuard guard( m_mutex ); - t_rtti_map::const_iterator iFind( m_rttis.find( unoName ) ); - if (iFind == m_rttis.end()) + t_rtti_map::const_iterator iRttiFind( m_rttis.find( unoName ) ); + if (iRttiFind == m_rttis.end()) { // RTTI symbol OStringBuffer buf( 64 ); @@ -202,7 +202,7 @@ type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THR } else { - rtti = iFind->second; + rtti = iRttiFind->second; } return rtti; diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx index 2a8626733f24..8c527df2d48c 100644 --- a/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx @@ -74,12 +74,14 @@ static void callVirtualMethod( void (*ptr)(); int gpr[8]; // storage for gpregisters, map to r3-r10 int off; // offset used to find function +#ifndef __NO_FPRS__ double fpr[8]; // storage for fpregisters, map to f1-f8 - int n; // number of gprs mapped so far int f; // number of fprs mapped so far + double dret; // temporary function return values +#endif + int n; // number of gprs mapped so far long *p; // pointer to parameter overflow area int c; // character of parameter type being decoded - double dret; // temporary function return values int iret, iret2; // Because of the Power PC calling conventions we could be passing @@ -93,7 +95,7 @@ static void callVirtualMethod( // Note: could require up to 2*nStackLongs words of parameter stack area // if the call has many float parameters (i.e. floats take up only 1 - // word on the stack but take 2 words in parameter area in the + // word on the stack but double takes 2 words in parameter area in the // stack frame . // Update! floats on the outgoing parameter stack only take up 1 word @@ -119,7 +121,9 @@ static void callVirtualMethod( // now begin to load the C++ function arguments into storage n = 0; +#ifndef __NO_FPRS__ f = 0; +#endif // now we need to parse the entire signature string */ // until we get the END indicator */ @@ -143,8 +147,16 @@ static void callVirtualMethod( c = *pPT; switch (c) { case 'D': /* type is double */ +#ifndef __NO_FPRS__ if (f < 8) { fpr[f++] = *((double *)pStackLongs); /* store in register */ +#else + if (n & 1) + n++; + if (n < 8) { + gpr[n++] = *pStackLongs; + gpr[n++] = *(pStackLongs+1); +#endif } else { if (((long) p) & 4) p++; @@ -163,8 +175,13 @@ static void callVirtualMethod( store floats as a *single* word on outgoing parameter stack to match what gcc actually does */ +#ifndef __NO_FPRS__ if (f < 8) { fpr[f++] = *((float *)pStackLongs); +#else + if (n < 8) { + gpr[n++] = *pStackLongs; +#endif } else { #if 0 /* if abi were followed */ if (((long) p) & 4) @@ -243,6 +260,7 @@ static void callVirtualMethod( "lwz 8, 20(%0)\n\t" "lwz 9, 24(%0)\n\t" "lwz 10, 28(%0)\n\t" +#ifndef __NO_FPRS__ "lfd 1, 0(%1)\n\t" "lfd 2, 8(%1)\n\t" "lfd 3, 16(%1)\n\t" @@ -252,16 +270,24 @@ static void callVirtualMethod( "lfd 7, 48(%1)\n\t" "lfd 8, 56(%1)\n\t" : : "r" (gpr), "r" (fpr) +#else + : : "r" (gpr) +#endif : "0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12" ); (*ptr)(); __asm__ __volatile__ ( - "mr %1, 3\n\t" - "mr %2, 4\n\t" - "fmr %0, 1\n\t" - : "=f" (dret), "=r" (iret), "=r" (iret2) : ); + "mr %0, 3\n\t" + "mr %1, 4\n\t" +#ifndef __NO_FPRS__ + "fmr %2, 1\n\t" + : "=r" (iret), "=r" (iret2), "=f" (dret) +#else + : "=r" (iret), "=r" (iret2) +#endif + : ); switch( eReturnType ) { @@ -284,10 +310,21 @@ static void callVirtualMethod( *(unsigned char*)pRegisterReturn = (unsigned char)iret; break; case typelib_TypeClass_FLOAT: +#ifndef __NO_FPRS__ *(float*)pRegisterReturn = (float)dret; +#else + ((unsigned int*)pRegisterReturn)[0] = iret; +#endif break; case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ *(double*)pRegisterReturn = dret; +#else + ((unsigned int*)pRegisterReturn)[0] = iret; + ((unsigned int*)pRegisterReturn)[1] = iret2; +#endif + break; + default: break; } } @@ -399,6 +436,8 @@ static void cpp_call( case typelib_TypeClass_UNSIGNED_HYPER: *pPT++ = 'H'; pCppStack += sizeof(sal_Int32); // extra long + default: + break; } // no longer needed @@ -518,7 +557,6 @@ void unoInterfaceProxyDispatch( // is my surrogate bridges::cpp_uno::shared::UnoInterfaceProxy * pThis = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI); - typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; switch (pMemberDescr->eTypeClass) { |