diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx | 81 |
1 files changed, 71 insertions, 10 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx index 238354b8e..703ebd54e 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++; @@ -164,11 +186,11 @@ static typelib_TypeClass cpp2uno_call( case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: - if (ng < 7) { - if (ng & 1) { - ng++; - gpreg++; - } + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { pCppArgs[nPos] = gpreg; pUnoArgs[nPos] = gpreg; ng += 2; @@ -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); |