C++ (Cpp) _SparcIns Examples

Example #1

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCSetHi( dis_handle*h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    ins->op[0].type = DO_IMMED;
    ins->op[0].value = SEX( code.sethi.imm22, 21 );
    ins->op[1].type = DO_REG;
    ins->op[1].base = _SparcReg( code.sethi.rd );
    ins->num_ops = 2;
    return( DHR_DONE );
}

Example #2

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCBranch( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    ins->op[0].type = DO_RELATIVE;
    ins->op[0].value = ( SEX( code.branch.disp22, 21 ) ) * sizeof( ins->opcode );
    if( code.branch.anul != 0 ) {
        ins->flags.u.sparc |= DIF_SPARC_ANUL;
    }
    ins->num_ops = 1;
    return( DHR_DONE );
}

Example #3

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCCall( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    ins->op[0].type  = DO_RELATIVE;
    // BartoszP 16.10.2005
    // SPARC Architecture Manual says:
    // CALL saves self address not next instruction into the %o7 register
    //ins->op[0].value = ( SEX( code.call.disp, 29 ) + 1) * sizeof( ins->opcode );
    ins->op[0].value = ( SEX( code.call.disp, 29 ) ) * sizeof( ins->opcode );
    ins->num_ops     = 1;
    return( DHR_DONE );
}

Example #4

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCFPop3( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    ins->op[ 0 ].type = DO_REG;
    ins->op[ 0 ].base = _SparcFReg( code.op3opf.rs1 );
    ins->op[ 1 ].type = DO_REG;
    ins->op[ 1 ].base = _SparcFReg( code.op3opf.rs2 );
    ins->op[ 2 ].type = DO_REG;
    ins->op[ 2 ].base = _SparcFReg( code.op3opf.rd );
    ins->num_ops = 3;
    return( DHR_DONE );
}

Example #5

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCMem( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;
    int         mem_op;
    int         reg_op;

    code.full = _SparcIns( ins->opcode );
    getOpIndices( code, &mem_op, &reg_op );
    ins->op[ reg_op ].type = DO_REG;
    ins->op[ reg_op ].base = _SparcReg( code.op3.rd );
    ins->op[ mem_op ].ref_type = integerRefTypes[ code.op3.opcode_3 & 0x03 ];
    doSparcMem( h, d, &ins->op[ mem_op ], code );
    ins->num_ops = 2;
    return( DHR_DONE );
}

Example #6

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCFPop2( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    if( code.op3opf.opcode_3 == 0x35 ) {
        // fcmp
        ins->op[ 0 ].type = DO_REG;
        ins->op[ 0 ].base = _SparcFReg( code.op3opf.rs1 );
        ins->op[ 1 ].type = DO_REG;
        ins->op[ 1 ].base = _SparcFReg( code.op3opf.rs2 );
    } else {
        ins->op[ 0 ].type = DO_REG;
        ins->op[ 0 ].base = _SparcFReg( code.op3opf.rs2 );
        ins->op[ 1 ].type = DO_REG;
        ins->op[ 1 ].base = _SparcFReg( code.op3opf.rd );
    }
    ins->num_ops = 2;
    return( DHR_DONE );
}

Example #7

File: dissparc.c Project: Ukusbobra/open-watcom-v2

dis_handler_return SPARCOp3( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;

    code.full = _SparcIns( ins->opcode );
    ins->op[ 0 ].type = DO_REG;
    ins->op[ 0 ].base = _SparcReg( code.op3.rs1 );
    ins->op[ 2 ].type = DO_REG;
    ins->op[ 2 ].base = _SparcReg( code.op3.rd );
    if( code.op3.imm != 0 ) {
        ins->op[ 1 ].type = DO_IMMED;
        ins->op[ 1 ].base = DR_NONE;
        ins->op[ 1 ].value = SEX( code.op3imm.simm13, 12 );
    } else {
        ins->op[ 1 ].type = DO_REG;
        ins->op[ 1 ].base = _SparcReg( code.op3.rs2 );
        ins->op[ 1 ].value = 0;
    }
    ins->num_ops = 3;
    return( DHR_DONE );
}

Example #8

File: dissparc.c Project: Azarien/open-watcom-v2

dis_handler_return SPARCMemC( dis_handle *h, void *d, dis_dec_ins *ins )
{
    sparc_ins   code;
    int         mem_op;
    int         reg_op;

    code.full = _SparcIns( ins->opcode );
    getOpIndices( code, &mem_op, &reg_op );
    ins->op[ reg_op ].type = DO_REG;
    ins->op[ reg_op ].base = _SparcCReg( code.op3.rd );
    ins->op[ mem_op ].ref_type = coproRefTypes[ code.op3.opcode_3 & 0x03 ];
    doSparcMem( h, d, &ins->op[ mem_op ], code );
    if( code.op3.opcode_3 == 0x31 || code.op3.opcode_3 == 0x35 ) {
        // special case for ldcsr/stcsr instructions
        ins->op[ reg_op ].base = DR_SPARC_csr;
    }
    if( code.op3.opcode_3 == 0x36 ) {
        // another special case - stdcq instruction
        ins->op[ reg_op ].base = DR_SPARC_cq;
    }
    ins->num_ops = 2;
    return( DHR_DONE );
}