Esempio n. 1
0
int VarDeclaration::cvMember(unsigned char *p)
{
    char *id;
    idx_t typidx;
    unsigned attribute;
    int nwritten = 0;

    //printf("VarDeclaration::cvMember(p = %p) '%s'\n", p, toChars());

    if (type->toBasetype()->ty == Ttuple)
	return 0;

    id = toChars();

    if (!p)
    {
	if (storage_class & STCfield)
	{
	    nwritten += 6 +
		    cv4_numericbytes(offset) + cv_stringbytes(id);
	}
	else if (isStatic())
	{
	    nwritten += 6 + cv_stringbytes(id);
	}
    }
    else if (storage_class & STCfield)
    {
	TOWORD(p,LF_MEMBER);
	typidx = cv_typidx(type->toCtype());
	attribute = PROTtoATTR(prot());
	assert((attribute & ~3) == 0);
	TOWORD(p + 2,typidx);
	TOWORD(p + 4,attribute);
	cv4_storenumeric(p + 6, offset);
	nwritten = 6 + cv4_numericbytes( offset);
	nwritten += cv_namestring(p + nwritten, id);
    }
    else if (isStatic())
    {
	TOWORD(p,LF_STMEMBER);
	typidx = cv_typidx(type->toCtype());
	attribute = PROTtoATTR(prot());
	assert((attribute & ~3) == 0);
	TOWORD(p + 2,typidx);
	TOWORD(p + 4,attribute);
	nwritten = 6 + cv_namestring(p + 6, id);
    }
    return nwritten;
}
Esempio n. 2
0
File: cv8.c Progetto: jasonwhite/dmd
/***************************************
 * Put out a forward ref for structs, unions, and classes.
 * Only put out the real definitions with toDebug().
 */
idx_t cv8_fwdref(Symbol *s)
{
    assert(config.fulltypes == CV8);
//    if (s->Stypidx && !global.params.multiobj)
//      return s->Stypidx;
    struct_t *st = s->Sstruct;
    unsigned leaf;
    unsigned numidx;
    if (st->Sflags & STRunion)
    {
        leaf = LF_UNION_V3;
        numidx = 10;
    }
    else if (st->Sflags & STRclass)
    {
        leaf = LF_CLASS_V3;
        numidx = 18;
    }
    else
    {
        leaf = LF_STRUCTURE_V3;
        numidx = 18;
    }
    unsigned len = numidx + cv4_numericbytes(0);
    int idlen = strlen(s->Sident);

    if (idlen > CV8_MAX_SYMBOL_LENGTH)
        idlen = CV8_MAX_SYMBOL_LENGTH;

    debtyp_t *d = debtyp_alloc(len + idlen + 1);
    TOWORD(d->data, leaf);
    TOWORD(d->data + 2, 0);     // number of fields
    TOWORD(d->data + 4, 0x80);  // property
    TOLONG(d->data + 6, 0);     // field list
    if (leaf == LF_CLASS_V3 || leaf == LF_STRUCTURE_V3)
    {
        TOLONG(d->data + 10, 0);        // dList
        TOLONG(d->data + 14, 0);        // vshape
    }
    cv4_storenumeric(d->data + numidx, 0);
    cv_namestring(d->data + len, s->Sident, idlen);
    d->data[len + idlen] = 0;
    idx_t typidx = cv_debtyp(d);
    s->Stypidx = typidx;

    return typidx;
}
Esempio n. 3
0
void ClassDeclaration::toDebug()
{
    unsigned leaf;
    unsigned property;
    unsigned nfields;
    unsigned fnamelen;
    const char *id;
    targ_size_t size;
    unsigned numidx;
    debtyp_t *d,*dt;
    unsigned len;
    int i;
    int count;			// COUNT field in LF_CLASS
    unsigned char *p;
    idx_t typidx = 0;

    //printf("ClassDeclaration::toDebug('%s')\n", toChars());

    assert(config.fulltypes >= CV4);
    if (isAnonymous())
	return /*0*/;

    if (typidx)			// if reference already generated
	return /*typidx*/;	// use already existing reference

    property = 0;
    if (!members)
    {	size = 0;
	property |= 0x80;		// forward reference
    }
    else
	size = structsize;

    if (parent->isAggregateDeclaration()) // if class is nested
	property |= 8;
    if (ctor || dtors.dim)
	property |= 2;		// class has ctors and/or dtors
//    if (st->Sopoverload)
//	property |= 4;		// class has overloaded operators
//    if (st->Scastoverload)
//	property |= 0x40;		// class has casting methods
//    if (st->Sopeq && !(st->Sopeq->Sfunc->Fflags & Fnodebug))
//	property |= 0x20;		// class has overloaded assignment

    id = toPrettyChars();
    numidx = isUnionDeclaration() ? 8 : 12;
    len = numidx + cv4_numericbytes(size);
    d = debtyp_alloc(len + cv_stringbytes(id));
    cv4_storenumeric(d->data + numidx,size);
    len += cv_namestring(d->data + len,id);

    leaf = LF_CLASS;
    TOWORD(d->data + 8,0);		// dList

    if (1)
    {   debtyp_t *vshape;
	unsigned n;
	unsigned char descriptor;

	n = vtbl.dim;			// number of virtual functions
	if (n == 0)
	{
	    TOWORD(d->data + 10,0);             // vshape is 0
	}
	else
	{   int i;

	    vshape = debtyp_alloc(4 + (n + 1) / 2);
	    TOWORD(vshape->data,LF_VTSHAPE);
	    TOWORD(vshape->data + 2,1);

	    n = 0;
	    descriptor = 0;
	    for (i = 0; i < vtbl.dim; i++)
	    {   FuncDeclaration *fd = (FuncDeclaration *)vtbl.data[i];
		tym_t ty;

		//if (intsize == 4)
		    descriptor |= 5;
		vshape->data[4 + n / 2] = descriptor;
		descriptor <<= 4;
		n++;
	    }
	    TOWORD(d->data + 10,cv_debtyp(vshape));     // vshape
	}
    }
    else
	TOWORD(d->data + 10,0);		// vshape is 0 (no virtual functions)

    TOWORD(d->data,leaf);

    // Assign a number to prevent infinite recursion if a struct member
    // references the same struct.
    d->length = 0;			// so cv_debtyp() will allocate new
    typidx = cv_debtyp(d);
    d->length = len;		// restore length

    if (!members)			// if reference only
    {
	TOWORD(d->data + 2,0);		// count: number of fields is 0
	TOWORD(d->data + 4,0);		// field list is 0
	TOWORD(d->data + 6,property);
	return /*typidx*/;
    }

    // Compute the number of fields, and the length of the fieldlist record
    nfields = 0;
    fnamelen = 2;

    // Add in base classes
    for (i = 0; i < baseclasses.dim; i++)
    {	BaseClass *bc = (BaseClass *)baseclasses.data[i];

	nfields++;
	fnamelen += 6 + cv4_numericbytes(bc->offset);
    }

    count = nfields;
    for (i = 0; i < members->dim; i++)
    {	Dsymbol *s = (Dsymbol *)members->data[i];
	int nwritten;

	nwritten = s->cvMember(NULL);
	if (nwritten)
	{
	    fnamelen += nwritten;
	    nfields++;
	    count++;
	}
    }

    TOWORD(d->data + 2,count);
    TOWORD(d->data + 6,property);

    // Generate fieldlist type record
    dt = debtyp_alloc(fnamelen);
    p = dt->data;

    // And fill it in
    TOWORD(p,LF_FIELDLIST);
    p += 2;

    // Add in base classes
    for (i = 0; i < baseclasses.dim; i++)
    {	BaseClass *bc = (BaseClass *)baseclasses.data[i];
	idx_t typidx;
	unsigned attribute;

        typidx = cv4_typidx(bc->base->type->toCtype()->Tnext);

	attribute = PROTtoATTR(bc->protection);

        TOWORD(p,LF_BCLASS);
	TOWORD(p + 2,typidx);
	TOWORD(p + 4,attribute);
	p += 6;

        cv4_storenumeric(p, bc->offset);
        p += cv4_numericbytes(bc->offset);
    }



    for (i = 0; i < members->dim; i++)
    {	Dsymbol *s = (Dsymbol *)members->data[i];

	p += s->cvMember(p);
    }

    //dbg_printf("fnamelen = %d, p-dt->data = %d\n",fnamelen,p-dt->data);
    assert(p - dt->data == fnamelen);
    TOWORD(d->data + 4,cv_debtyp(dt));

//    cv4_outsym(s);

    unsigned char *debsym;
    unsigned length;

    len = strlen(id);
    debsym = (unsigned char *) alloca(39 + IDOHD + len);

    // Output a 'user-defined type' for the tag name
    TOWORD(debsym + 2,S_UDT);
    TOIDX(debsym + 4,typidx);
    length = 2 + 2 + cgcv.sz_idx;
    length += cv_namestring(debsym + length,id);
    TOWORD(debsym,length - 2);

    assert(length <= 40 + len);
    obj_write_bytes(SegData[DEBSYM],length,debsym);

//    return typidx;
}
Esempio n. 4
0
unsigned cv4_Denum(EnumDeclaration *e)
{
    debtyp_t *d,*dt;
    unsigned nfields,fnamelen;
    unsigned len;
    unsigned property;
    unsigned attribute;
    int i;
    const char *id;
    idx_t typidx;

    //dbg_printf("cv4_Denum(%s)\n", e->toChars());
    property = 0;
    if (!e->members || !e->memtype)
	property |= 0x80;		// enum is forward referenced

    id = e->toPrettyChars();
    len = 10;
    d = debtyp_alloc(len + cv_stringbytes(id));
    TOWORD(d->data,LF_ENUM);
    TOWORD(d->data + 4,e->memtype ? cv4_typidx(e->memtype->toCtype()) : 0);
    TOWORD(d->data + 8,property);
    len += cv_namestring(d->data + len,id);

    d->length = 0;			// so cv_debtyp() will allocate new
    typidx = cv_debtyp(d);
    d->length = len;			// restore length

    // Compute the number of fields, and the length of the fieldlist record
    nfields = 0;
    fnamelen = 2;
    if (e->members)
    {
	for (i = 0; i < e->members->dim; i++)
	{   EnumMember *sf = ((Dsymbol *)e->members->data[i])->isEnumMember();
	    dinteger_t value;

	    if (sf)
	    {
		value = sf->value->toInteger();
		unsigned fnamelen1 = fnamelen;
		fnamelen += 4 + cv4_numericbytes(value) + cv_stringbytes(sf->toPrettyChars());

		/* Optlink dies on longer ones, so just truncate
		 */
		if (fnamelen > 0xB000)		// 0xB000 found by trial and error
		{   fnamelen = fnamelen1;	// back up
		    break;			// and skip the rest
		}

		nfields++;
	    }
	}
    }

    TOWORD(d->data + 2,nfields);

    // If forward reference, then field list is 0
    if (!e->members)
    {
	TOWORD(d->data + 6,0);
	return typidx;
    }

    // Generate fieldlist type record
    dt = debtyp_alloc(fnamelen);
    TOWORD(dt->data,LF_FIELDLIST);

    // And fill it in
    int j = 2;
    int fieldi = 0;
    for (i = 0; i < e->members->dim; i++)
    {   EnumMember *sf = ((Dsymbol *)e->members->data[i])->isEnumMember();
	dinteger_t value;

	if (sf)
	{
	    fieldi++;
	    if (fieldi > nfields)
		break;			// chop off the rest

	    value = sf->value->toInteger();
	    TOWORD(dt->data + j,LF_ENUMERATE);
	    attribute = 0;
	    TOWORD(dt->data + j + 2,attribute);
	    cv4_storenumeric(dt->data + j + 4,value);
	    j += 4 + cv4_numericbytes(value);
	    j += cv_namestring(dt->data + j, sf->toPrettyChars());

	    // If enum is not a member of a class, output enum members as constants
//	    if (!isclassmember(s))
//	    {
//		cv4_outsym(sf);
//	    }
	}
    }
    assert(j == fnamelen);
    TOWORD(d->data + 6,cv_debtyp(dt));

//    cv4_outsym(s);
    return typidx;
}
Esempio n. 5
0
void StructDeclaration::toDebug()
{
    unsigned leaf;
    unsigned property;
    unsigned nfields;
    unsigned fnamelen;
    const char *id;
    targ_size_t size;
    unsigned numidx;
    debtyp_t *d,*dt;
    unsigned len;
    int i;
    int count;			// COUNT field in LF_CLASS
    unsigned char *p;
    idx_t typidx = 0;

    //printf("StructDeclaration::toDebug('%s')\n", toChars());

    assert(config.fulltypes >= CV4);
    if (isAnonymous())
	return /*0*/;

    if (typidx)			// if reference already generated
	return /*typidx*/;	// use already existing reference

    property = 0;
    if (!members)
    {	size = 0;
	property |= 0x80;		// forward reference
    }
    else
	size = structsize;

    if (parent->isAggregateDeclaration()) // if class is nested
	property |= 8;
//    if (st->Sctor || st->Sdtor)
//	property |= 2;		// class has ctors and/or dtors
//    if (st->Sopoverload)
//	property |= 4;		// class has overloaded operators
//    if (st->Scastoverload)
//	property |= 0x40;		// class has casting methods
//    if (st->Sopeq && !(st->Sopeq->Sfunc->Fflags & Fnodebug))
//	property |= 0x20;		// class has overloaded assignment

    id = toPrettyChars();
    numidx = isUnionDeclaration() ? 8 : 12;
    len = numidx + cv4_numericbytes(size);
    d = debtyp_alloc(len + cv_stringbytes(id));
    cv4_storenumeric(d->data + numidx,size);
    len += cv_namestring(d->data + len,id);

    leaf = isUnionDeclaration() ? LF_UNION : LF_STRUCTURE;
    if (!isUnionDeclaration())
    {
	TOWORD(d->data + 8,0);		// dList
	TOWORD(d->data + 10,0);		// vshape is 0 (no virtual functions)
    }
    TOWORD(d->data,leaf);

    // Assign a number to prevent infinite recursion if a struct member
    // references the same struct.
    d->length = 0;			// so cv_debtyp() will allocate new
    typidx = cv_debtyp(d);
    d->length = len;		// restore length

    if (!members)			// if reference only
    {
	TOWORD(d->data + 2,0);		// count: number of fields is 0
	TOWORD(d->data + 4,0);		// field list is 0
	TOWORD(d->data + 6,property);
	return /*typidx*/;
    }

    // Compute the number of fields, and the length of the fieldlist record
    nfields = 0;
    fnamelen = 2;

    count = nfields;
    for (i = 0; i < members->dim; i++)
    {	Dsymbol *s = (Dsymbol *)members->data[i];
	int nwritten;

	nwritten = s->cvMember(NULL);
	if (nwritten)
	{
	    fnamelen += nwritten;
	    nfields++;
	    count++;
	}
    }

    TOWORD(d->data + 2,count);
    TOWORD(d->data + 6,property);

    // Generate fieldlist type record
    dt = debtyp_alloc(fnamelen);
    p = dt->data;

    // And fill it in
    TOWORD(p,LF_FIELDLIST);
    p += 2;
    for (i = 0; i < members->dim; i++)
    {	Dsymbol *s = (Dsymbol *)members->data[i];

	p += s->cvMember(p);
    }

    //dbg_printf("fnamelen = %d, p-dt->data = %d\n",fnamelen,p-dt->data);
    assert(p - dt->data == fnamelen);
    TOWORD(d->data + 4,cv_debtyp(dt));

//    cv4_outsym(s);

    unsigned char *debsym;
    unsigned length;

    len = strlen(id);
    debsym = (unsigned char *) alloca(39 + IDOHD + len);

    // Output a 'user-defined type' for the tag name
    TOWORD(debsym + 2,S_UDT);
    TOIDX(debsym + 4,typidx);
    length = 2 + 2 + cgcv.sz_idx;
    length += cv_namestring(debsym + length,id);
    TOWORD(debsym,length - 2);

    assert(length <= 40 + len);
    obj_write_bytes(SegData[DEBSYM],length,debsym);

//    return typidx;
}
Esempio n. 6
0
int VarDeclaration::cvMember(unsigned char *p)
{
    int nwritten = 0;

    //printf("VarDeclaration::cvMember(p = %p) '%s'\n", p, toChars());

    if (type->toBasetype()->ty == Ttuple)
        return 0;

    char *id = toChars();

    if (!p)
    {
        if (isField())
        {
            if (config.fulltypes == CV8)
                nwritten += 2;
            nwritten += 6 + cv_stringbytes(id);
            nwritten += cv4_numericbytes(offset);
        }
        else if (isStatic())
        {
            if (config.fulltypes == CV8)
                nwritten += 2;
            nwritten += 6 + cv_stringbytes(id);
        }
        nwritten = cv_align(NULL, nwritten);
    }
    else
    {
        idx_t typidx = cv_typidx(type->toCtype());
        unsigned attribute = PROTtoATTR(prot());
        assert((attribute & ~3) == 0);
        switch (config.fulltypes)
        {
            case CV8:
                if (isField())
                {
                    TOWORD(p,LF_MEMBER_V3);
                    TOWORD(p + 2,attribute);
                    TOLONG(p + 4,typidx);
                    cv4_storenumeric(p + 8, offset);
                    nwritten = 8 + cv4_numericbytes( offset);
                    nwritten += cv_namestring(p + nwritten, id);
                }
                else if (isStatic())
                {
                    TOWORD(p,LF_STMEMBER_V3);
                    TOWORD(p + 2,attribute);
                    TOLONG(p + 4,typidx);
                    nwritten = 8;
                    nwritten += cv_namestring(p + nwritten, id);
                }
                break;

            case CV4:
                if (isField())
                {
                    TOWORD(p,LF_MEMBER);
                    TOWORD(p + 2,typidx);
                    TOWORD(p + 4,attribute);
                    cv4_storenumeric(p + 6, offset);
                    nwritten = 6 + cv4_numericbytes( offset);
                    nwritten += cv_namestring(p + nwritten, id);
                }
                else if (isStatic())
                {
                    TOWORD(p,LF_STMEMBER);
                    TOWORD(p + 2,typidx);
                    TOWORD(p + 4,attribute);
                    nwritten = 6;
                    nwritten += cv_namestring(p + nwritten, id);
                }
                break;

             default:
                assert(0);
        }

        nwritten = cv_align(p + nwritten, nwritten);
#ifdef DEBUG
        assert(nwritten == cvMember(NULL));
#endif
    }
    return nwritten;
}
Esempio n. 7
0
void ClassDeclaration::toDebug()
{
    idx_t typidx = 0;

    //printf("ClassDeclaration::toDebug('%s')\n", toChars());

    assert(config.fulltypes >= CV4);
    if (isAnonymous())
        return /*0*/;

    if (typidx)                 // if reference already generated
        return /*typidx*/;      // use already existing reference

    targ_size_t size;
    unsigned property = 0;
    if (!members)
    {   size = 0;
        property |= 0x80;               // forward reference
    }
    else
        size = structsize;

    if (parent->isAggregateDeclaration()) // if class is nested
        property |= 8;
    if (ctor || dtors.dim)
        property |= 2;          // class has ctors and/or dtors
//    if (st->Sopoverload)
//      property |= 4;          // class has overloaded operators
//    if (st->Scastoverload)
//      property |= 0x40;               // class has casting methods
//    if (st->Sopeq && !(st->Sopeq->Sfunc->Fflags & Fnodebug))
//      property |= 0x20;               // class has overloaded assignment

#if DMDV1
    const char *id = toPrettyChars();
#else
    const char *id = isCPPinterface() ? ident->toChars() : toPrettyChars();
#endif
    unsigned leaf = config.fulltypes == CV8 ? LF_CLASS_V3 : LF_CLASS;

    unsigned numidx = (leaf == LF_CLASS_V3) ? 18 : 12;
    unsigned len = numidx + cv4_numericbytes(size);
    debtyp_t *d = debtyp_alloc(len + cv_stringbytes(id));
    cv4_storenumeric(d->data + numidx,size);
    len += cv_namestring(d->data + len,id);

    idx_t vshapeidx = 0;
    if (1)
    {
        size_t n = vtbl.dim;                   // number of virtual functions
        if (n)
        {   // 4 bits per descriptor
            debtyp_t *vshape = debtyp_alloc(4 + (n + 1) / 2);
            TOWORD(vshape->data,LF_VTSHAPE);
            TOWORD(vshape->data + 2,n);

            n = 0;
            unsigned char descriptor = 0;
            for (size_t i = 0; i < vtbl.dim; i++)
            {   FuncDeclaration *fd = (FuncDeclaration *)vtbl[i];

                //if (intsize == 4)
                    descriptor |= 5;
                vshape->data[4 + n / 2] = descriptor;
                descriptor <<= 4;
                n++;
            }
            vshapeidx = cv_debtyp(vshape);
        }
    }
    if (leaf == LF_CLASS)
    {
        TOWORD(d->data + 8,0);          // dList
        TOWORD(d->data + 10,vshapeidx);
    }
    else if (leaf == LF_CLASS_V3)
    {
        TOLONG(d->data + 10,0);         // dList
        TOLONG(d->data + 14,vshapeidx);
    }
    TOWORD(d->data,leaf);

    // Assign a number to prevent infinite recursion if a struct member
    // references the same struct.
    unsigned length_save = d->length;
    d->length = 0;                      // so cv_debtyp() will allocate new
    typidx = cv_debtyp(d);
    d->length = length_save;            // restore length

    if (!members)                       // if reference only
    {
        if (leaf == LF_CLASS_V3)
        {
            TOWORD(d->data + 2,0);          // count: number of fields is 0
            TOLONG(d->data + 6,0);          // field list is 0
            TOWORD(d->data + 4,property);
        }
        else
        {
            TOWORD(d->data + 2,0);          // count: number of fields is 0
            TOWORD(d->data + 4,0);          // field list is 0
            TOWORD(d->data + 6,property);
        }
        return /*typidx*/;
    }

    // Compute the number of fields (nfields), and the length of the fieldlist record (fnamelen)
    CvMemberCount mc;
    mc.nfields = 0;
    mc.fnamelen = 2;

    /* Adding in the base classes causes VS 2010 debugger to refuse to display any
     * of the fields. I have not been able to determine why.
     * (Could it be because the base class is "forward referenced"?)
     * It does work with VS 2012.
     */
    bool addInBaseClasses = true;
    if (addInBaseClasses)
    {
        // Add in base classes
        for (size_t i = 0; i < baseclasses->dim; i++)
        {   BaseClass *bc = (*baseclasses)[i];

            mc.nfields++;
            unsigned elementlen = 4 + cgcv.sz_idx + cv4_numericbytes(bc->offset);
            elementlen = cv_align(NULL, elementlen);
            mc.fnamelen += elementlen;
        }
    }

    for (size_t i = 0; i < members->dim; i++)
    {   Dsymbol *s = (*members)[i];
        s->apply(&cv_mem_count, &mc);
    }
    unsigned nfields = mc.nfields;
    unsigned fnamelen = mc.fnamelen;

    int count = nfields;
    TOWORD(d->data + 2,count);

    // Generate fieldlist type record
    debtyp_t *dt = debtyp_alloc(fnamelen);
    unsigned char *p = dt->data;

    // And fill it in
    TOWORD(p,config.fulltypes == CV8 ? LF_FIELDLIST_V2 : LF_FIELDLIST);
    p += 2;

    if (addInBaseClasses)
    {
        // Add in base classes
        for (size_t i = 0; i < baseclasses->dim; i++)
        {   BaseClass *bc = (*baseclasses)[i];

            idx_t typidx = cv4_typidx(bc->base->type->toCtype()->Tnext);
            unsigned attribute = PROTtoATTR(bc->protection);

            unsigned elementlen;
            switch (config.fulltypes)
            {
                case CV8:
                    TOWORD(p, LF_BCLASS_V2);
                    TOWORD(p + 2,attribute);
                    TOLONG(p + 4,typidx);
                    elementlen = 8;
                    break;

                case CV4:
                    TOWORD(p, LF_BCLASS);
                    TOWORD(p + 2,typidx);
                    TOWORD(p + 4,attribute);
                    elementlen = 6;
                    break;
            }

            cv4_storenumeric(p + elementlen, bc->offset);
            elementlen += cv4_numericbytes(bc->offset);
            elementlen = cv_align(p + elementlen, elementlen);
            p += elementlen;
        }
    }

    for (size_t i = 0; i < members->dim; i++)
    {   Dsymbol *s = (*members)[i];
        s->apply(&cv_mem_p, &p);
    }

    //dbg_printf("fnamelen = %d, p-dt->data = %d\n",fnamelen,p-dt->data);
    assert(p - dt->data == fnamelen);
    idx_t fieldlist = cv_debtyp(dt);

    TOWORD(d->data + 2,count);
    if (config.fulltypes == CV8)
    {
        TOWORD(d->data + 4,property);
        TOLONG(d->data + 6,fieldlist);
    }
    else
    {
        TOWORD(d->data + 4,fieldlist);
        TOWORD(d->data + 6,property);
    }

//    cv4_outsym(s);

    if (config.fulltypes == CV8)
        cv8_udt(id, typidx);
    else
    {
        size_t idlen = strlen(id);
        unsigned char *debsym = (unsigned char *) alloca(39 + IDOHD + idlen);

        // Output a 'user-defined type' for the tag name
        TOWORD(debsym + 2,S_UDT);
        TOIDX(debsym + 4,typidx);
        unsigned length = 2 + 2 + cgcv.sz_idx;
        length += cv_namestring(debsym + length,id);
        TOWORD(debsym,length - 2);

        assert(length <= 40 + idlen);
        objmod->write_bytes(SegData[DEBSYM],length,debsym);
    }

//    return typidx;
}
Esempio n. 8
0
void StructDeclaration::toDebug()
{
    idx_t typidx = 0;

    //printf("StructDeclaration::toDebug('%s')\n", toChars());

    assert(config.fulltypes >= CV4);
    if (isAnonymous())
        return /*0*/;

    if (typidx)                 // if reference already generated
        return /*typidx*/;      // use already existing reference

    targ_size_t size;
    unsigned property = 0;
    if (!members)
    {   size = 0;
        property |= 0x80;               // forward reference
    }
    else
        size = structsize;

    if (parent->isAggregateDeclaration()) // if class is nested
        property |= 8;
//    if (st->Sctor || st->Sdtor)
//      property |= 2;          // class has ctors and/or dtors
//    if (st->Sopoverload)
//      property |= 4;          // class has overloaded operators
//    if (st->Scastoverload)
//      property |= 0x40;               // class has casting methods
//    if (st->Sopeq && !(st->Sopeq->Sfunc->Fflags & Fnodebug))
//      property |= 0x20;               // class has overloaded assignment

    const char *id = toPrettyChars();

    unsigned leaf = isUnionDeclaration() ? LF_UNION : LF_STRUCTURE;
    if (config.fulltypes == CV8)
        leaf = leaf == LF_UNION ? LF_UNION_V3 : LF_STRUCTURE_V3;

    unsigned numidx;
    switch (leaf)
    {
        case LF_UNION:        numidx = 8;       break;
        case LF_UNION_V3:     numidx = 10;      break;
        case LF_STRUCTURE:    numidx = 12;      break;
        case LF_STRUCTURE_V3: numidx = 18;      break;
    }

    unsigned len = numidx + cv4_numericbytes(size);
    debtyp_t *d = debtyp_alloc(len + cv_stringbytes(id));
    cv4_storenumeric(d->data + numidx,size);
    len += cv_namestring(d->data + len,id);

    if (leaf == LF_STRUCTURE)
    {
        TOWORD(d->data + 8,0);          // dList
        TOWORD(d->data + 10,0);         // vshape is 0 (no virtual functions)
    }
    else if (leaf == LF_STRUCTURE_V3)
    {
        TOLONG(d->data + 10,0);         // dList
        TOLONG(d->data + 14,0);         // vshape is 0 (no virtual functions)
    }
    TOWORD(d->data,leaf);

    // Assign a number to prevent infinite recursion if a struct member
    // references the same struct.
    unsigned length_save = d->length;
    d->length = 0;                      // so cv_debtyp() will allocate new
    typidx = cv_debtyp(d);
    d->length = length_save;            // restore length

    if (!members)                       // if reference only
    {
        if (config.fulltypes == CV8)
        {
            TOWORD(d->data + 2,0);          // count: number of fields is 0
            TOLONG(d->data + 6,0);          // field list is 0
            TOWORD(d->data + 4,property);
        }
        else
        {
            TOWORD(d->data + 2,0);          // count: number of fields is 0
            TOWORD(d->data + 4,0);          // field list is 0
            TOWORD(d->data + 6,property);
        }
        return /*typidx*/;
    }

    // Compute the number of fields (nfields), and the length of the fieldlist record (fnamelen)
    CvMemberCount mc;
    mc.nfields = 0;
    mc.fnamelen = 2;
    for (size_t i = 0; i < members->dim; i++)
    {   Dsymbol *s = (*members)[i];
        s->apply(&cv_mem_count, &mc);
    }
    unsigned nfields = mc.nfields;
    unsigned fnamelen = mc.fnamelen;

    int count = nfields;                  // COUNT field in LF_CLASS

    // Generate fieldlist type record
    debtyp_t *dt = debtyp_alloc(fnamelen);
    unsigned char *p = dt->data;

    // And fill it in
    TOWORD(p,config.fulltypes == CV8 ? LF_FIELDLIST_V2 : LF_FIELDLIST);
    p += 2;
    for (size_t i = 0; i < members->dim; i++)
    {   Dsymbol *s = (*members)[i];
        s->apply(&cv_mem_p, &p);
    }

    //dbg_printf("fnamelen = %d, p-dt->data = %d\n",fnamelen,p-dt->data);
    assert(p - dt->data == fnamelen);
    idx_t fieldlist = cv_debtyp(dt);

    TOWORD(d->data + 2,count);
    if (config.fulltypes == CV8)
    {
        TOWORD(d->data + 4,property);
        TOLONG(d->data + 6,fieldlist);
    }
    else
    {
        TOWORD(d->data + 4,fieldlist);
        TOWORD(d->data + 6,property);
    }

//    cv4_outsym(s);

    if (config.fulltypes == CV8)
        cv8_udt(id, typidx);
    else
    {
        size_t idlen = strlen(id);
        unsigned char *debsym = (unsigned char *) alloca(39 + IDOHD + idlen);

        // Output a 'user-defined type' for the tag name
        TOWORD(debsym + 2,S_UDT);
        TOIDX(debsym + 4,typidx);
        unsigned length = 2 + 2 + cgcv.sz_idx;
        length += cv_namestring(debsym + length,id);
        TOWORD(debsym,length - 2);

        assert(length <= 40 + idlen);
        objmod->write_bytes(SegData[DEBSYM],length,debsym);
    }

//    return typidx;
}
Esempio n. 9
0
unsigned cv4_Denum(EnumDeclaration *e)
{
    //dbg_printf("cv4_Denum(%s)\n", e->toChars());
    unsigned property = 0;
        if (!e->members || !e->memtype || !e->memtype->isintegral())
        property |= 0x80;               // enum is forward referenced or non-integer

    // Compute the number of fields, and the length of the fieldlist record
    unsigned nfields = 0;
    unsigned fnamelen = 2;
    if (!property)
    {
        for (size_t i = 0; i < e->members->dim; i++)
        {   EnumMember *sf = (*e->members)[i]->isEnumMember();
            if (sf)
            {
                dinteger_t value = sf->value->toInteger();
                unsigned fnamelen1 = fnamelen;

                // store only member's simple name
                fnamelen += 4 + cv4_numericbytes(value) + cv_stringbytes(sf->toChars());

                if (config.fulltypes != CV8)
                {
                    /* Optlink dies on longer ones, so just truncate
                     */
                    if (fnamelen > 0xB000)          // 0xB000 found by trial and error
                    {   fnamelen = fnamelen1;       // back up
                        break;                      // and skip the rest
                    }
                }

                nfields++;
            }
        }
    }

    const char *id = e->toPrettyChars();
    unsigned len;
    debtyp_t *d;
    unsigned memtype = e->memtype ? cv4_typidx(e->memtype->toCtype()) : 0;
    switch (config.fulltypes)
    {
        case CV8:
            len = 14;
            d = debtyp_alloc(len + cv_stringbytes(id));
            TOWORD(d->data,LF_ENUM_V3);
            TOLONG(d->data + 6,memtype);
            TOWORD(d->data + 4,property);
            len += cv_namestring(d->data + len,id);
            break;

        case CV4:
            len = 10;
            d = debtyp_alloc(len + cv_stringbytes(id));
            TOWORD(d->data,LF_ENUM);
            TOWORD(d->data + 4,memtype);
            TOWORD(d->data + 8,property);
            len += cv_namestring(d->data + len,id);
            break;

        default:
            assert(0);
    }
    unsigned length_save = d->length;
    d->length = 0;                      // so cv_debtyp() will allocate new
    idx_t typidx = cv_debtyp(d);
    d->length = length_save;            // restore length

    TOWORD(d->data + 2,nfields);

    unsigned fieldlist = 0;
    if (!property)                      // if forward reference, then fieldlist is 0
    {
        // Generate fieldlist type record
        debtyp_t *dt = debtyp_alloc(fnamelen);
        TOWORD(dt->data,(config.fulltypes == CV8) ? LF_FIELDLIST_V2 : LF_FIELDLIST);

        // And fill it in
        unsigned j = 2;
        unsigned fieldi = 0;
        for (size_t i = 0; i < e->members->dim; i++)
        {   EnumMember *sf = (*e->members)[i]->isEnumMember();

            if (sf)
            {
                fieldi++;
                if (fieldi > nfields)
                    break;                  // chop off the rest

                dinteger_t value = sf->value->toInteger();
                TOWORD(dt->data + j,(config.fulltypes == CV8) ? LF_ENUMERATE_V3 : LF_ENUMERATE);
                unsigned attribute = 0;
                TOWORD(dt->data + j + 2,attribute);
                cv4_storenumeric(dt->data + j + 4,value);
                j += 4 + cv4_numericbytes(value);
                // store only member's simple name
                j += cv_namestring(dt->data + j, sf->toChars());

                // If enum is not a member of a class, output enum members as constants
    //          if (!isclassmember(s))
    //          {
    //              cv4_outsym(sf);
    //          }
            }
        }
        assert(j == fnamelen);
        fieldlist = cv_debtyp(dt);
    }

    if (config.fulltypes == CV8)
        TOLONG(d->data + 10,fieldlist);
    else
        TOWORD(d->data + 6,fieldlist);

//    cv4_outsym(s);
    return typidx;
}
Esempio n. 10
0
        void visit(VarDeclaration *vd)
        {
            //printf("VarDeclaration::cvMember(p = %p) '%s'\n", p, vd->toChars());

            if (vd->type->toBasetype()->ty == Ttuple)
                return;

            char *id = vd->toChars();

            if (!p)
            {
                if (vd->isField())
                {
                    if (config.fulltypes == CV8)
                        result += 2;
                    result += 6 + cv_stringbytes(id);
                    result += cv4_numericbytes(vd->offset);
                }
                else if (vd->isStatic())
                {
                    if (config.fulltypes == CV8)
                        result += 2;
                    result += 6 + cv_stringbytes(id);
                }
                result = cv_align(NULL, result);
            }
            else
            {
                idx_t typidx = cv_typidx(Type_toCtype(vd->type));
                unsigned attribute = PROTtoATTR(vd->prot());
                assert((attribute & ~3) == 0);
                switch (config.fulltypes)
                {
                    case CV8:
                        if (vd->isField())
                        {
                            TOWORD(p,LF_MEMBER_V3);
                            TOWORD(p + 2,attribute);
                            TOLONG(p + 4,typidx);
                            cv4_storenumeric(p + 8, vd->offset);
                            result = 8 + cv4_numericbytes(vd->offset);
                            result += cv_namestring(p + result, id);
                        }
                        else if (vd->isStatic())
                        {
                            TOWORD(p,LF_STMEMBER_V3);
                            TOWORD(p + 2,attribute);
                            TOLONG(p + 4,typidx);
                            result = 8;
                            result += cv_namestring(p + result, id);
                        }
                        break;

                    case CV4:
                        if (vd->isField())
                        {
                            TOWORD(p,LF_MEMBER);
                            TOWORD(p + 2,typidx);
                            TOWORD(p + 4,attribute);
                            cv4_storenumeric(p + 6, vd->offset);
                            result = 6 + cv4_numericbytes(vd->offset);
                            result += cv_namestring(p + result, id);
                        }
                        else if (vd->isStatic())
                        {
                            TOWORD(p,LF_STMEMBER);
                            TOWORD(p + 2,typidx);
                            TOWORD(p + 4,attribute);
                            result = 6;
                            result += cv_namestring(p + result, id);
                        }
                        break;

                     default:
                        assert(0);
                }

                result = cv_align(p + result, result);
        #ifdef DEBUG
                int save = result;
                result = 0;
                p = NULL;
                visit(vd);
                assert(result == save);
        #endif
            }
        }