Пример #1
0
unsigned cv4_memfunctypidx(FuncDeclaration *fd)
{   type *t;
    debtyp_t *d;
    unsigned char *p;
    AggregateDeclaration *ad;

    //printf("cv4_memfunctypidx(fd = '%s')\n", fd->toChars());
    t = fd->type->toCtype();
    ad = fd->isMember2();
    if (ad)
    {
	unsigned nparam;
	idx_t paramidx;
	idx_t thisidx;
	unsigned u;
	unsigned char call;

	// It's a member function, which gets a special type record

	if (fd->isStatic())
	    thisidx = dttab4[TYvoid];
	else
	{
	    assert(ad->handle);
	    thisidx = cv4_typidx(ad->handle->toCtype());
	}

	paramidx = cv4_arglist(t,&nparam);
	call = cv4_callconv(t);

	d = debtyp_alloc(18);
	p = d->data;
	TOWORD(p,LF_MFUNCTION);
	TOWORD(p + 2,cv4_typidx(t->Tnext));
	TOWORD(p + 4,cv4_typidx(ad->type->toCtype()));
	TOWORD(p + 6,thisidx);
	p[8] = call;
	p[9] = 0;				// reserved
	TOWORD(p + 10,nparam);
	TOWORD(p + 12,paramidx);
	TOLONG(p + 14,0);			// thisadjust

	return cv_debtyp(d);
    }
    return cv4_typidx(t);
}
Пример #2
0
void cv8_func_term(Symbol *sfunc)
{
    //printf("cv8_func_term(%s)\n", sfunc->Sident);

    assert(currentfuncdata.sfunc == sfunc);
    currentfuncdata.section_length = retoffset + retsize;

    funcdata->write(&currentfuncdata, sizeof(currentfuncdata));

    // Write function symbol
    assert(tyfunc(sfunc->ty()));
    idx_t typidx;
    func_t* fn = sfunc->Sfunc;
    if(fn->Fclass)
    {
        // generate member function type info
        // it would be nicer if this could be in cv4_typidx, but the function info is not available there
        unsigned nparam;
        unsigned char call = cv4_callconv(sfunc->Stype);
        idx_t paramidx = cv4_arglist(sfunc->Stype,&nparam);
        unsigned next = cv4_typidx(sfunc->Stype->Tnext);

        type* classtype = (type*)fn->Fclass;
        unsigned classidx = cv4_typidx(classtype);
        type *tp = type_allocn(TYnptr, classtype);
        unsigned thisidx = cv4_typidx(tp);  // TODO
        debtyp_t *d = debtyp_alloc(2 + 4 + 4 + 4 + 1 + 1 + 2 + 4 + 4);
        TOWORD(d->data,LF_MFUNCTION_V2);
        TOLONG(d->data + 2,next);       // return type
        TOLONG(d->data + 6,classidx);   // class type
        TOLONG(d->data + 10,thisidx);   // this type
        d->data[14] = call;
        d->data[15] = 0;                // reserved
        TOWORD(d->data + 16,nparam);
        TOLONG(d->data + 18,paramidx);
        TOLONG(d->data + 22,0);  // this adjust
        typidx = cv_debtyp(d);
    }
    else
        typidx = cv_typidx(sfunc->Stype);

    const char *id = sfunc->prettyIdent ? sfunc->prettyIdent : prettyident(sfunc);
    size_t len = strlen(id);
    if(len > CV8_MAX_SYMBOL_LENGTH)
        len = CV8_MAX_SYMBOL_LENGTH;
    /*
     *  2       length (not including these 2 bytes)
     *  2       S_GPROC_V3
     *  4       parent
     *  4       pend
     *  4       pnext
     *  4       size of function
     *  4       size of function prolog
     *  4       offset to function epilog
     *  4       type index
     *  6       seg:offset of function start
     *  1       flags
     *  n       0 terminated name string
     */
    Outbuffer *buf = currentfuncdata.f1buf;
    buf->reserve(2 + 2 + 4 * 7 + 6 + 1 + len + 1);
    buf->writeWordn( 2 + 4 * 7 + 6 + 1 + len + 1);
    buf->writeWordn(sfunc->Sclass == SCstatic ? S_LPROC_V3 : S_GPROC_V3);
    buf->write32(0);            // parent
    buf->write32(0);            // pend
    buf->write32(0);            // pnext
    buf->write32(currentfuncdata.section_length);       // size of function
    buf->write32(startoffset);          // size of prolog
    buf->write32(retoffset);                    // offset to epilog
    buf->write32(typidx);

    F1_Fixups f1f;
    f1f.s = sfunc;
    f1f.offset = buf->size();
    currentfuncdata.f1fixup->write(&f1f, sizeof(f1f));
    buf->write32(0);
    buf->writeWordn(0);

    buf->writeByte(0);
    buf->writen(id, len);
    buf->writeByte(0);

    // Write local symbol table
    bool endarg = false;
    for (SYMIDX si = 0; si < globsym.top; si++)
    {   //printf("globsym.tab[%d] = %p\n",si,globsym.tab[si]);
        symbol *sa = globsym.tab[si];
        if (endarg == false &&
            sa->Sclass != SCparameter &&
            sa->Sclass != SCfastpar &&
            sa->Sclass != SCshadowreg)
        {
            buf->writeWord(2);
            buf->writeWord(S_ENDARG);
            endarg = true;
        }
        cv8_outsym(sa);
    }

    /* Put out function return record S_RETURN
     * (VC doesn't, so we won't bother, either.)
     */

    // Write function end symbol
    buf->writeWord(2);
    buf->writeWord(S_END);

    currentfuncdata.f1buf = F1_buf;
    currentfuncdata.f1fixup = F1fixup;
}
Пример #3
0
unsigned cv4_memfunctypidx(FuncDeclaration *fd)
{
    //printf("cv4_memfunctypidx(fd = '%s')\n", fd->toChars());

    type *t = fd->type->toCtype();
    AggregateDeclaration *ad = fd->isMember2();
    if (ad)
    {
        // It's a member function, which gets a special type record

        idx_t thisidx;
        if (fd->isStatic())
            thisidx = dttab4[TYvoid];
        else
        {
            assert(ad->handle);
            thisidx = cv4_typidx(ad->handle->toCtype());
        }

        unsigned nparam;
        idx_t paramidx = cv4_arglist(t,&nparam);

        unsigned char call = cv4_callconv(t);

        debtyp_t *d;
        switch (config.fulltypes)
        {
            case CV4:
            {
                d = debtyp_alloc(18);
                unsigned char *p = d->data;
                TOWORD(p,LF_MFUNCTION);
                TOWORD(p + 2,cv4_typidx(t->Tnext));
                TOWORD(p + 4,cv4_typidx(ad->type->toCtype()));
                TOWORD(p + 6,thisidx);
                p[8] = call;
                p[9] = 0;                               // reserved
                TOWORD(p + 10,nparam);
                TOWORD(p + 12,paramidx);
                TOLONG(p + 14,0);                       // thisadjust
                break;
            }
            case CV8:
            {
                d = debtyp_alloc(26);
                unsigned char *p = d->data;
                TOWORD(p,0x1009);
                TOLONG(p + 2,cv4_typidx(t->Tnext));
                TOLONG(p + 6,cv4_typidx(ad->type->toCtype()));
                TOLONG(p + 10,thisidx);
                p[14] = call;
                p[15] = 0;                               // reserved
                TOWORD(p + 16,nparam);
                TOLONG(p + 18,paramidx);
                TOLONG(p + 22,0);                       // thisadjust
                break;
            }
            default:
                assert(0);
        }
        return cv_debtyp(d);
    }
    return cv4_typidx(t);
}