Exemple #1
0
Symbol *objc_getCString(const char *str, size_t len, const char *symbolName, ObjcSegment segment)
{
    objc_hasSymbols = true;

    // create data
    dt_t *dt = NULL;
    dtnbytes(&dt, len + 1, str);

    // find segment
    int seg = objc_getSegment(segment);

    // create symbol
    Symbol *s;
    s = symbol_name(symbolName, SCstatic, type_allocn(TYarray, tschar));
    s->Sdt = dt;
    s->Sseg = seg;
    return s;
}
Exemple #2
0
void Module::genobjfile(int multiobj)
{
    //EEcontext *ee = env->getEEcontext();

    //printf("Module::genobjfile(multiobj = %d) %s\n", multiobj, toChars());

    lastmname = srcfile->toChars();

    obj_initfile(lastmname, NULL, toPrettyChars());

    eictor = NULL;
    ictorlocalgot = NULL;
    ector = NULL;
    ectorgates.setDim(0);
    edtor = NULL;
    etest = NULL;
    dtorcount = 0;

    if (doppelganger)
    {
	/* Generate a reference to the moduleinfo, so the module constructors
	 * and destructors get linked in.
	 */
	Module *m = (Module *)aimports.data[0];
	assert(m);
	if (m->sictor || m->sctor || m->sdtor)
	{
	    Symbol *s = m->toSymbol();
	    //objextern(s);
	    //if (!s->Sxtrnnum) objextdef(s->Sident);
	    if (!s->Sxtrnnum)
	    {
		//printf("%s\n", s->Sident);
#if 0 /* This should work, but causes optlink to fail in common/newlib.asm */
		objextdef(s->Sident);
#else
#if ELFOBJ || MACHOBJ
		int nbytes = reftoident(DATA, Offset(DATA), s, 0, CFoff);
		Offset(DATA) += nbytes;
#else
		int nbytes = reftoident(DATA, Doffset, s, 0, CFoff);
		Doffset += nbytes;
#endif
#endif
	    }
	}
    }

    if (global.params.cov)
    {
	/* Create coverage identifier:
	 *  private uint[numlines] __coverage;
	 */
	cov = symbol_calloc("__coverage");
	cov->Stype = type_fake(TYint);
	cov->Stype->Tmangle = mTYman_c;
	cov->Stype->Tcount++;
	cov->Sclass = SCstatic;
	cov->Sfl = FLdata;
#if ELFOBJ || MACHOBJ
	cov->Sseg = UDATA;
#endif
	dtnzeros(&cov->Sdt, 4 * numlines);
	outdata(cov);
	slist_add(cov);

	covb = (unsigned *)calloc((numlines + 32) / 32, sizeof(*covb));
    }

    for (int i = 0; i < members->dim; i++)
    {
	Dsymbol *member = (Dsymbol *)members->data[i];
	member->toObjFile(multiobj);
    }

    if (global.params.cov)
    {
	/* Generate
	 *	bit[numlines] __bcoverage;
	 */
	Symbol *bcov = symbol_calloc("__bcoverage");
	bcov->Stype = type_fake(TYuint);
	bcov->Stype->Tcount++;
	bcov->Sclass = SCstatic;
	bcov->Sfl = FLdata;
#if ELFOBJ || MACHOBJ
	bcov->Sseg = DATA;
#endif
	dtnbytes(&bcov->Sdt, (numlines + 32) / 32 * sizeof(*covb), (char *)covb);
	outdata(bcov);

	free(covb);
	covb = NULL;

	/* Generate:
	 *  _d_cover_register(uint[] __coverage, BitArray __bcoverage, string filename);
	 * and prepend it to the static constructor.
	 */

	/* t will be the type of the functions generated:
	 *	extern (C) void func();
	 */
	type *t = type_alloc(TYnfunc);
	t->Tflags |= TFprototype | TFfixed;
	t->Tmangle = mTYman_c;
	t->Tnext = tsvoid;
	tsvoid->Tcount++;

	sictor = toSymbolX("__modictor", SCglobal, t, "FZv");
	cstate.CSpsymtab = &sictor->Sfunc->Flocsym;
	localgot = ictorlocalgot;
	elem *e;

	e = el_params(el_ptr(cov), el_long(TYuint, numlines),
		      el_ptr(bcov), el_long(TYuint, numlines),
		      toEfilename(),
		      NULL);
	e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_DCOVER]), e);
	eictor = el_combine(e, eictor);
	ictorlocalgot = localgot;
    }

    // If coverage / static constructor / destructor / unittest calls
    if (eictor || ector || ectorgates.dim || edtor || etest)
    {
	/* t will be the type of the functions generated:
	 *	extern (C) void func();
	 */
	type *t = type_alloc(TYnfunc);
	t->Tflags |= TFprototype | TFfixed;
	t->Tmangle = mTYman_c;
	t->Tnext = tsvoid;
	tsvoid->Tcount++;

	static char moddeco[] = "FZv";

	if (eictor)
	{
	    localgot = ictorlocalgot;

	    block *b = block_calloc();
	    b->BC = BCret;
	    b->Belem = eictor;
	    sictor->Sfunc->Fstartblock = b;
	    writefunc(sictor);
	}

	if (ector || ectorgates.dim)
	{
	    localgot = NULL;
	    sctor = toSymbolX("__modctor", SCglobal, t, moddeco);
	    cstate.CSpsymtab = &sctor->Sfunc->Flocsym;

	    for (int i = 0; i < ectorgates.dim; i++)
	    {	StaticDtorDeclaration *f = (StaticDtorDeclaration *)ectorgates.data[i];

		Symbol *s = f->vgate->toSymbol();
		elem *e = el_var(s);
		e = el_bin(OPaddass, TYint, e, el_long(TYint, 1));
		ector = el_combine(ector, e);
	    }

	    block *b = block_calloc();
	    b->BC = BCret;
	    b->Belem = ector;
	    sctor->Sfunc->Fstartblock = b;
	    writefunc(sctor);
#if STATICCTOR
	    obj_staticctor(sctor, dtorcount, 1);
#endif
	}

	if (edtor)
	{
	    localgot = NULL;
	    sdtor = toSymbolX("__moddtor", SCglobal, t, moddeco);

	    block *b = block_calloc();
	    b->BC = BCret;
	    b->Belem = edtor;
	    sdtor->Sfunc->Fstartblock = b;
	    writefunc(sdtor);
	}

	if (etest)
	{
	    localgot = NULL;
	    stest = toSymbolX("__modtest", SCglobal, t, moddeco);

	    block *b = block_calloc();
	    b->BC = BCret;
	    b->Belem = etest;
	    stest->Sfunc->Fstartblock = b;
	    writefunc(stest);
	}

	if (doppelganger)
	    genmoduleinfo();
    }

    if (doppelganger)
    {
	obj_termfile();
	return;
    }

    if (global.params.multiobj)
    {	/* This is necessary because the main .obj for this module is written
	 * first, but determining whether marray or massert are needed is done
	 * possibly later in the doppelganger modules.
	 * Another way to fix it is do the main one last.
	 */
	toModuleAssert();
	toModuleArray();
    }

    // If module assert
    for (int i = 0; i < 2; i++)
    {
	Symbol *ma = i ? marray : massert;

	if (ma)
	{
	    elem *elinnum;
	    elem *efilename;

	    localgot = NULL;

	    // Call dassert(filename, line)
	    // Get sole parameter, linnum
	    {
		Symbol *sp;

		sp = symbol_calloc("linnum");
		sp->Stype = type_fake(TYint);
		sp->Stype->Tcount++;
		sp->Sclass = SCfastpar;
		sp->Spreg = AX;
		sp->Sflags &= ~SFLspill;
		sp->Sfl = FLpara;	// FLauto?
		cstate.CSpsymtab = &ma->Sfunc->Flocsym;
		symbol_add(sp);

		elinnum = el_var(sp);
	    }

	    efilename = toEmodulename();

	    elem *e = el_var(rtlsym[i ? RTLSYM_DARRAY : RTLSYM_DASSERT]);
	    e = el_bin(OPcall, TYvoid, e, el_param(elinnum, efilename));

	    block *b = block_calloc();
	    b->BC = BCret;
	    b->Belem = e;
	    ma->Sfunc->Fstartblock = b;
	    ma->Sclass = SCglobal;
	    ma->Sfl = 0;
	    writefunc(ma);
	}
    }

#if 1
    // Always generate module info, because of templates and -cov
    if (1 || needModuleInfo())
	genmoduleinfo();
#endif
    
    obj_termfile();
}
Exemple #3
0
void genObjFile(Module *m, bool multiobj)
{
    //EEcontext *ee = env->getEEcontext();

    //printf("Module::genobjfile(multiobj = %d) %s\n", multiobj, m->toChars());

    if (m->ident == Id::entrypoint)
    {
        bool v = global.params.verbose;
        global.params.verbose = false;

        for (size_t i = 0; i < m->members->dim; i++)
        {
            Dsymbol *member = (*m->members)[i];
            //printf("toObjFile %s %s\n", member->kind(), member->toChars());
            toObjFile(member, global.params.multiobj);
        }

        global.params.verbose = v;
        return;
    }

    lastmname = m->srcfile->toChars();

    objmod->initfile(lastmname, NULL, m->toPrettyChars());

    eictor = NULL;
    ictorlocalgot = NULL;
    sctors.setDim(0);
    ectorgates.setDim(0);
    sdtors.setDim(0);
    ssharedctors.setDim(0);
    esharedctorgates.setDim(0);
    sshareddtors.setDim(0);
    stests.setDim(0);

    if (m->doppelganger)
    {
        /* Generate a reference to the moduleinfo, so the module constructors
         * and destructors get linked in.
         */
        Module *mod = m->aimports[0];
        assert(mod);
        if (mod->sictor || mod->sctor || mod->sdtor || mod->ssharedctor || mod->sshareddtor)
        {
            Symbol *s = toSymbol(mod);
            //objextern(s);
            //if (!s->Sxtrnnum) objextdef(s->Sident);
            if (!s->Sxtrnnum)
            {
                //printf("%s\n", s->Sident);
#if 0 /* This should work, but causes optlink to fail in common/newlib.asm */
                objextdef(s->Sident);
#else
                Symbol *sref = symbol_generate(SCstatic, type_fake(TYnptr));
                sref->Sfl = FLdata;
                dtxoff(&sref->Sdt, s, 0, TYnptr);
                outdata(sref);
#endif
            }
        }
    }

    if (global.params.cov)
    {
        /* Create coverage identifier:
         *  private uint[numlines] __coverage;
         */
        m->cov = symbol_calloc("__coverage");
        m->cov->Stype = type_fake(TYint);
        m->cov->Stype->Tmangle = mTYman_c;
        m->cov->Stype->Tcount++;
        m->cov->Sclass = SCstatic;
        m->cov->Sfl = FLdata;
        dtnzeros(&m->cov->Sdt, 4 * m->numlines);
        outdata(m->cov);
        slist_add(m->cov);

        m->covb = (unsigned *)calloc((m->numlines + 32) / 32, sizeof(*m->covb));
    }

    for (size_t i = 0; i < m->members->dim; i++)
    {
        Dsymbol *member = (*m->members)[i];
        //printf("toObjFile %s %s\n", member->kind(), member->toChars());
        toObjFile(member, multiobj);
    }

    if (global.params.cov)
    {
        /* Generate
         *      bit[numlines] __bcoverage;
         */
        Symbol *bcov = symbol_calloc("__bcoverage");
        bcov->Stype = type_fake(TYuint);
        bcov->Stype->Tcount++;
        bcov->Sclass = SCstatic;
        bcov->Sfl = FLdata;
        dtnbytes(&bcov->Sdt, (m->numlines + 32) / 32 * sizeof(*m->covb), (char *)m->covb);
        outdata(bcov);

        free(m->covb);
        m->covb = NULL;

        /* Generate:
         *  _d_cover_register(uint[] __coverage, BitArray __bcoverage, string filename);
         * and prepend it to the static constructor.
         */

        /* t will be the type of the functions generated:
         *      extern (C) void func();
         */
        type *t = type_function(TYnfunc, NULL, 0, false, tsvoid);
        t->Tmangle = mTYman_c;

        m->sictor = toSymbolX(m, "__modictor", SCglobal, t, "FZv");
        cstate.CSpsymtab = &m->sictor->Sfunc->Flocsym;
        localgot = ictorlocalgot;

        elem *ecov  = el_pair(TYdarray, el_long(TYsize_t, m->numlines), el_ptr(m->cov));
        elem *ebcov = el_pair(TYdarray, el_long(TYsize_t, m->numlines), el_ptr(bcov));

        if (config.exe == EX_WIN64)
        {
            ecov  = addressElem(ecov,  Type::tvoid->arrayOf(), false);
            ebcov = addressElem(ebcov, Type::tvoid->arrayOf(), false);
        }

        elem *efilename = toEfilename(m);
        if (config.exe == EX_WIN64)
            efilename = addressElem(efilename, Type::tstring, true);

        elem *e = el_params(
                      el_long(TYuchar, global.params.covPercent),
                      ecov,
                      ebcov,
                      efilename,
                      NULL);
        e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_DCOVER2]), e);
        eictor = el_combine(e, eictor);
        ictorlocalgot = localgot;
    }

    // If coverage / static constructor / destructor / unittest calls
    if (eictor || sctors.dim || ectorgates.dim || sdtors.dim ||
        ssharedctors.dim || esharedctorgates.dim || sshareddtors.dim || stests.dim)
    {
        if (eictor)
        {
            localgot = ictorlocalgot;

            block *b = block_calloc();
            b->BC = BCret;
            b->Belem = eictor;
            m->sictor->Sfunc->Fstartline.Sfilename = m->arg;
            m->sictor->Sfunc->Fstartblock = b;
            writefunc(m->sictor);
        }

        m->sctor = callFuncsAndGates(m, &sctors, &ectorgates, "__modctor");
        m->sdtor = callFuncsAndGates(m, &sdtors, NULL, "__moddtor");

        m->ssharedctor = callFuncsAndGates(m, &ssharedctors, (StaticDtorDeclarations *)&esharedctorgates, "__modsharedctor");
        m->sshareddtor = callFuncsAndGates(m, &sshareddtors, NULL, "__modshareddtor");
        m->stest = callFuncsAndGates(m, &stests, NULL, "__modtest");

        if (m->doppelganger)
            genModuleInfo(m);
    }

    if (m->doppelganger)
    {
        objmod->termfile();
        return;
    }

    if (global.params.multiobj)
    {
        /* This is necessary because the main .obj for this module is written
         * first, but determining whether marray or massert or munittest are needed is done
         * possibly later in the doppelganger modules.
         * Another way to fix it is do the main one last.
         */
        toModuleAssert(m);
        toModuleUnittest(m);
        toModuleArray(m);
    }

    /* Always generate module info, because of templates and -cov.
     * But module info needs the runtime library, so disable it for betterC.
     */
    if (!global.params.betterC /*|| needModuleInfo()*/)
        genModuleInfo(m);

    genhelpers(m, false);

    objmod->termfile();
}
Exemple #4
0
void TypeInfoStructDeclaration::toDt(dt_t **pdt)
{
    //printf("TypeInfoStructDeclaration::toDt() '%s'\n", toChars());

    unsigned offset = Type::typeinfostruct->structsize;

    dtxoff(pdt, Type::typeinfostruct->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Struct
    dtsize_t(pdt, 0);                        // monitor

    assert(tinfo->ty == Tstruct);

    TypeStruct *tc = (TypeStruct *)tinfo;
    StructDeclaration *sd = tc->sym;

    /* Put out:
     *  char[] name;
     *  void[] init;
     *  hash_t function(in void*) xtoHash;
     *  bool function(in void*, in void*) xopEquals;
     *  int function(in void*, in void*) xopCmp;
     *  string function(const(void)*) xtoString;
     *  uint m_flags;
     *  xgetMembers;
     *  xdtor;
     *  xpostblit;
     *  uint m_align;
     *  version (X86_64)
     *      TypeInfo m_arg1;
     *      TypeInfo m_arg2;
     *
     *  name[]
     */

    const char *name = sd->toPrettyChars();
    size_t namelen = strlen(name);
    dtsize_t(pdt, namelen);
    //dtabytes(pdt, TYnptr, 0, namelen + 1, name);
    dtxoff(pdt, toSymbol(), offset, TYnptr);
    offset += namelen + 1;

    // void[] init;
    dtsize_t(pdt, sd->structsize);       // init.length
    if (sd->zeroInit)
        dtsize_t(pdt, 0);                // NULL for 0 initialization
    else
        dtxoff(pdt, sd->toInitializer(), 0, TYnptr);    // init.ptr

    FuncDeclaration *fd;
    FuncDeclaration *fdx;
    TypeFunction *tf;
    Type *ta;
    Dsymbol *s;

    static TypeFunction *tftohash;
    static TypeFunction *tftostring;

    if (!tftohash)
    {
        Scope sc;

        tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd);
        tftohash->mod = MODconst;
        tftohash = (TypeFunction *)tftohash->semantic(0, &sc);

        tftostring = new TypeFunction(NULL, Type::tchar->invariantOf()->arrayOf(), 0, LINKd);
        tftostring = (TypeFunction *)tftostring->semantic(0, &sc);
    }

    TypeFunction *tfcmpptr;
    {
        Scope sc;
        Parameters *arguments = new Parameters;
#if STRUCTTHISREF
        // arg type is ref const T
        Parameter *arg = new Parameter(STCref, tc->constOf(), NULL, NULL);
#else
        // arg type is const T*
        Parameter *arg = new Parameter(STCin, tc->pointerTo(), NULL, NULL);
#endif

        arguments->push(arg);
        tfcmpptr = new TypeFunction(arguments, Type::tint32, 0, LINKd);
        tfcmpptr->mod = MODconst;
        tfcmpptr = (TypeFunction *)tfcmpptr->semantic(0, &sc);
    }

    s = search_function(sd, Id::tohash);
    fdx = s ? s->isFuncDeclaration() : NULL;
    if (fdx)
    {   fd = fdx->overloadExactMatch(tftohash);
        if (fd)
            dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
        else
            //fdx->error("must be declared as extern (D) uint toHash()");
            dtsize_t(pdt, 0);
    }
    else
        dtsize_t(pdt, 0);

    if (sd->eq)
        dtxoff(pdt, sd->eq->toSymbol(), 0, TYnptr);
    else
        dtsize_t(pdt, 0);

    s = search_function(sd, Id::cmp);
    fdx = s ? s->isFuncDeclaration() : NULL;
    if (fdx)
    {
        //printf("test1 %s, %s, %s\n", fdx->toChars(), fdx->type->toChars(), tfeqptr->toChars());
        fd = fdx->overloadExactMatch(tfcmpptr);
        if (fd)
        {   dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
            //printf("test2\n");
        }
        else
            //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars());
            dtsize_t(pdt, 0);
    }
    else
        dtsize_t(pdt, 0);

    s = search_function(sd, Id::tostring);
    fdx = s ? s->isFuncDeclaration() : NULL;
    if (fdx)
    {   fd = fdx->overloadExactMatch(tftostring);
        if (fd)
            dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
        else
            //fdx->error("must be declared as extern (D) char[] toString()");
            dtsize_t(pdt, 0);
    }
    else
        dtsize_t(pdt, 0);

    // uint m_flags;
    dtsize_t(pdt, tc->hasPointers());

#if DMDV2
    // xgetMembers
    FuncDeclaration *sgetmembers = sd->findGetMembers();
    if (sgetmembers)
        dtxoff(pdt, sgetmembers->toSymbol(), 0, TYnptr);
    else
        dtsize_t(pdt, 0);                        // xgetMembers

    // xdtor
    FuncDeclaration *sdtor = sd->dtor;
    if (sdtor)
        dtxoff(pdt, sdtor->toSymbol(), 0, TYnptr);
    else
        dtsize_t(pdt, 0);                        // xdtor

    // xpostblit
    FuncDeclaration *spostblit = sd->postblit;
    if (spostblit && !(spostblit->storage_class & STCdisable))
        dtxoff(pdt, spostblit->toSymbol(), 0, TYnptr);
    else
        dtsize_t(pdt, 0);                        // xpostblit
#endif

    // uint m_align;
    dtsize_t(pdt, tc->alignsize());

    if (global.params.is64bit)
    {
        TypeTuple *tup = tc->toArgTypes();
        assert(tup->arguments->dim <= 2);
        for (int i = 0; i < 2; i++)
        {
            if (i < tup->arguments->dim)
            {
                Type *targ = (tup->arguments->tdata()[i])->type;
                targ = targ->merge();
                targ->getTypeInfo(NULL);
                dtxoff(pdt, targ->vtinfo->toSymbol(), 0, TYnptr);       // m_argi
            }
            else
                dtsize_t(pdt, 0);                    // m_argi
        }
    }

    // name[]
    dtnbytes(pdt, namelen + 1, name);
}
Exemple #5
0
void genModuleInfo(Module *m)
{
    //printf("Module::genmoduleinfo() %s\n", m->toChars());

    if (!Module::moduleinfo)
    {
        ObjectNotFound(Id::ModuleInfo);
    }

    Symbol *msym = toSymbol(m);

    //////////////////////////////////////////////

    m->csym->Sclass = SCglobal;
    m->csym->Sfl = FLdata;

    dt_t *dt = NULL;
    ClassDeclarations aclasses;

    //printf("members->dim = %d\n", members->dim);
    for (size_t i = 0; i < m->members->dim; i++)
    {
        Dsymbol *member = (*m->members)[i];

        //printf("\tmember '%s'\n", member->toChars());
        member->addLocalClass(&aclasses);
    }

    // importedModules[]
    size_t aimports_dim = m->aimports.dim;
    for (size_t i = 0; i < m->aimports.dim; i++)
    {
        Module *mod = m->aimports[i];
        if (!mod->needmoduleinfo)
            aimports_dim--;
    }

    FuncDeclaration *sgetmembers = m->findGetMembers();

    // These must match the values in druntime/src/object_.d
    #define MIstandalone      0x4
    #define MItlsctor         0x8
    #define MItlsdtor         0x10
    #define MIctor            0x20
    #define MIdtor            0x40
    #define MIxgetMembers     0x80
    #define MIictor           0x100
    #define MIunitTest        0x200
    #define MIimportedModules 0x400
    #define MIlocalClasses    0x800
    #define MIname            0x1000

    unsigned flags = 0;
    if (!m->needmoduleinfo)
        flags |= MIstandalone;
    if (m->sctor)
        flags |= MItlsctor;
    if (m->sdtor)
        flags |= MItlsdtor;
    if (m->ssharedctor)
        flags |= MIctor;
    if (m->sshareddtor)
        flags |= MIdtor;
    if (sgetmembers)
        flags |= MIxgetMembers;
    if (m->sictor)
        flags |= MIictor;
    if (m->stest)
        flags |= MIunitTest;
    if (aimports_dim)
        flags |= MIimportedModules;
    if (aclasses.dim)
        flags |= MIlocalClasses;
    flags |= MIname;

    dtdword(&dt, flags);        // _flags
    dtdword(&dt, 0);            // _index

    if (flags & MItlsctor)
        dtxoff(&dt, m->sctor, 0, TYnptr);
    if (flags & MItlsdtor)
        dtxoff(&dt, m->sdtor, 0, TYnptr);
    if (flags & MIctor)
        dtxoff(&dt, m->ssharedctor, 0, TYnptr);
    if (flags & MIdtor)
        dtxoff(&dt, m->sshareddtor, 0, TYnptr);
    if (flags & MIxgetMembers)
        dtxoff(&dt, toSymbol(sgetmembers), 0, TYnptr);
    if (flags & MIictor)
        dtxoff(&dt, m->sictor, 0, TYnptr);
    if (flags & MIunitTest)
        dtxoff(&dt, m->stest, 0, TYnptr);
    if (flags & MIimportedModules)
    {
        dtsize_t(&dt, aimports_dim);
        for (size_t i = 0; i < m->aimports.dim; i++)
        {
            Module *mod = m->aimports[i];

            if (!mod->needmoduleinfo)
                continue;

            Symbol *s = toSymbol(mod);

            /* Weak references don't pull objects in from the library,
             * they resolve to 0 if not pulled in by something else.
             * Don't pull in a module just because it was imported.
             */
            s->Sflags |= SFLweak;
            dtxoff(&dt, s, 0, TYnptr);
        }
    }
    if (flags & MIlocalClasses)
    {
        dtsize_t(&dt, aclasses.dim);
        for (size_t i = 0; i < aclasses.dim; i++)
        {
            ClassDeclaration *cd = aclasses[i];
            dtxoff(&dt, toSymbol(cd), 0, TYnptr);
        }
    }
    if (flags & MIname)
    {
        // Put out module name as a 0-terminated string, to save bytes
        m->nameoffset = dt_size(dt);
        const char *name = m->toPrettyChars();
        m->namelen = strlen(name);
        dtnbytes(&dt, m->namelen + 1, name);
        //printf("nameoffset = x%x\n", nameoffset);
    }

    objc_Module_genmoduleinfo_classes();
    m->csym->Sdt = dt;
    out_readonly(m->csym);
    outdata(m->csym);

    //////////////////////////////////////////////

    objmod->moduleinfo(msym);
}
Exemple #6
0
        void visit(InterfaceDeclaration *id)
        {
            //printf("InterfaceDeclaration::toObjFile('%s')\n", id->toChars());

            if (id->type->ty == Terror)
            {
                id->error("had semantic errors when compiling");
                return;
            }

            if (!id->members)
                return;

            if (global.params.symdebug)
                toDebug(id);

            enum_SC scclass = SCglobal;
            if (id->isInstantiated())
                scclass = SCcomdat;

            // Put out the members
            for (size_t i = 0; i < id->members->dim; i++)
            {
                Dsymbol *member = (*id->members)[i];
                visitNoMultiObj(member);
            }

            // Generate C symbols
            toSymbol(id);

            //////////////////////////////////////////////

            // Put out the TypeInfo
            genTypeInfo(id->type, NULL);
            id->type->vtinfo->accept(this);

            //////////////////////////////////////////////

            // Put out the ClassInfo
            id->csym->Sclass = scclass;
            id->csym->Sfl = FLdata;

            /* The layout is:
               {
                    void **vptr;
                    monitor_t monitor;
                    byte[] initializer;         // static initialization data
                    char[] name;                // class name
                    void *[] vtbl;
                    Interface[] interfaces;
                    Object *base;               // base class
                    void *destructor;
                    void *invariant;            // class invariant
                    uint flags;
                    void *deallocator;
                    OffsetTypeInfo[] offTi;
                    void *defaultConstructor;
                    //const(MemberInfo[]) function(string) xgetMembers;   // module getMembers() function
                    void* xgetRTInfo;
                    //TypeInfo typeinfo;
               }
             */
            dt_t *dt = NULL;

            if (Type::typeinfoclass)
                dtxoff(&dt, toVtblSymbol(Type::typeinfoclass), 0, TYnptr); // vtbl for ClassInfo
            else
                dtsize_t(&dt, 0);                // BUG: should be an assert()
            dtsize_t(&dt, 0);                    // monitor

            // initializer[]
            dtsize_t(&dt, 0);                    // size
            dtsize_t(&dt, 0);                    // initializer

            // name[]
            const char *name = id->toPrettyChars();
            size_t namelen = strlen(name);
            dt_t **pdtname = dtsize_t(&dt, namelen);
            dtxoff(&dt, id->csym, 0, TYnptr);

            // vtbl[]
            dtsize_t(&dt, 0);
            dtsize_t(&dt, 0);

            // (*vtblInterfaces)[]
            unsigned offset = Target::classinfosize;
            dtsize_t(&dt, id->vtblInterfaces->dim);
            if (id->vtblInterfaces->dim)
            {
                if (Type::typeinfoclass)
                {
                    if (Type::typeinfoclass->structsize != offset)
                    {
                        id->error("mismatch between dmd and object.d or object.di found. Check installation and import paths with -v compiler switch.");
                        fatal();
                    }
                }
                dtxoff(&dt, id->csym, offset, TYnptr);      // (*)
            }
            else
            {
                dtsize_t(&dt, 0);
            }

            // base
            assert(!id->baseClass);
            dtsize_t(&dt, 0);

            // dtor
            dtsize_t(&dt, 0);

            // invariant
            dtsize_t(&dt, 0);

            // flags
            ClassFlags::Type flags = ClassFlags::hasOffTi | ClassFlags::hasTypeInfo;
            if (id->isCOMinterface()) flags |= ClassFlags::isCOMclass;
            dtsize_t(&dt, flags);

            // deallocator
            dtsize_t(&dt, 0);

            // offTi[]
            dtsize_t(&dt, 0);
            dtsize_t(&dt, 0);            // null for now, fix later

            // defaultConstructor
            dtsize_t(&dt, 0);

            // xgetMembers
            //dtsize_t(&dt, 0);

            // xgetRTInfo
            // xgetRTInfo
            if (id->getRTInfo)
                Expression_toDt(id->getRTInfo, &dt);
            else
                dtsize_t(&dt, 0);       // no pointers

            //dtxoff(&dt, toSymbol(id->type->vtinfo), 0, TYnptr); // typeinfo

            //////////////////////////////////////////////

            // Put out (*vtblInterfaces)[]. Must immediately follow csym, because
            // of the fixup (*)

            offset += id->vtblInterfaces->dim * (4 * Target::ptrsize);
            for (size_t i = 0; i < id->vtblInterfaces->dim; i++)
            {
                BaseClass *b = (*id->vtblInterfaces)[i];
                ClassDeclaration *base = b->sym;

                // ClassInfo
                dtxoff(&dt, toSymbol(base), 0, TYnptr);

                // vtbl[]
                dtsize_t(&dt, 0);
                dtsize_t(&dt, 0);

                // this offset
                dtsize_t(&dt, b->offset);
            }

            //////////////////////////////////////////////

            dtpatchoffset(*pdtname, offset);

            dtnbytes(&dt, namelen + 1, name);
            const size_t namepad =  -(namelen + 1) & (Target::ptrsize - 1); // align
            dtnzeros(&dt, namepad);

            id->csym->Sdt = dt;
            out_readonly(id->csym);
            outdata(id->csym);
            if (id->isExport())
                objmod->export_symbol(id->csym, 0);
        }
Exemple #7
0
        void visit(ClassDeclaration *cd)
        {
            //printf("ClassDeclaration::toObjFile('%s')\n", cd->toChars());

            if (cd->type->ty == Terror)
            {
                cd->error("had semantic errors when compiling");
                return;
            }

            if (!cd->members)
                return;

            if (multiobj && !cd->hasStaticCtorOrDtor())
            {
                obj_append(cd);
                return;
            }

            if (global.params.symdebug)
                toDebug(cd);

            assert(!cd->scope);     // semantic() should have been run to completion

            enum_SC scclass = SCglobal;
            if (cd->isInstantiated())
                scclass = SCcomdat;

            // Put out the members
            for (size_t i = 0; i < cd->members->dim; i++)
            {
                Dsymbol *member = (*cd->members)[i];
                /* There might be static ctors in the members, and they cannot
                 * be put in separate obj files.
                 */
                member->accept(this);
            }

            // Generate C symbols
            toSymbol(cd);
            toVtblSymbol(cd);
            Symbol *sinit = toInitializer(cd);

            //////////////////////////////////////////////

            // Generate static initializer
            sinit->Sclass = scclass;
            sinit->Sfl = FLdata;
            ClassDeclaration_toDt(cd, &sinit->Sdt);
            out_readonly(sinit);
            outdata(sinit);

            //////////////////////////////////////////////

            // Put out the TypeInfo
            genTypeInfo(cd->type, NULL);
            //toObjFile(cd->type->vtinfo, multiobj);

            //////////////////////////////////////////////

            // Put out the ClassInfo
            cd->csym->Sclass = scclass;
            cd->csym->Sfl = FLdata;

            /* The layout is:
               {
                    void **vptr;
                    monitor_t monitor;
                    byte[] initializer;         // static initialization data
                    char[] name;                // class name
                    void *[] vtbl;
                    Interface[] interfaces;
                    ClassInfo *base;            // base class
                    void *destructor;
                    void *invariant;            // class invariant
                    ClassFlags flags;
                    void *deallocator;
                    OffsetTypeInfo[] offTi;
                    void *defaultConstructor;
                    //const(MemberInfo[]) function(string) xgetMembers;   // module getMembers() function
                    void *xgetRTInfo;
                    //TypeInfo typeinfo;
               }
             */
            dt_t *dt = NULL;
            unsigned offset = Target::classinfosize;    // must be ClassInfo.size
            if (Type::typeinfoclass)
            {
                if (Type::typeinfoclass->structsize != Target::classinfosize)
                {
        #ifdef DEBUG
                    printf("Target::classinfosize = x%x, Type::typeinfoclass->structsize = x%x\n", offset, Type::typeinfoclass->structsize);
        #endif
                    cd->error("mismatch between dmd and object.d or object.di found. Check installation and import paths with -v compiler switch.");
                    fatal();
                }
            }

            if (Type::typeinfoclass)
                dtxoff(&dt, toVtblSymbol(Type::typeinfoclass), 0, TYnptr); // vtbl for ClassInfo
            else
                dtsize_t(&dt, 0);                // BUG: should be an assert()
            dtsize_t(&dt, 0);                    // monitor

            // initializer[]
            assert(cd->structsize >= 8 || (cd->cpp && cd->structsize >= 4));
            dtsize_t(&dt, cd->structsize);           // size
            dtxoff(&dt, sinit, 0, TYnptr);      // initializer

            // name[]
            const char *name = cd->ident->toChars();
            size_t namelen = strlen(name);
            if (!(namelen > 9 && memcmp(name, "TypeInfo_", 9) == 0))
            {
                name = cd->toPrettyChars();
                namelen = strlen(name);
            }
            dt_t **pdtname = dtsize_t(&dt, namelen);
            dtxoff(&dt, cd->csym, 0, TYnptr);

            // vtbl[]
            dtsize_t(&dt, cd->vtbl.dim);
            dtxoff(&dt, cd->vtblsym, 0, TYnptr);

            // interfaces[]
            dtsize_t(&dt, cd->vtblInterfaces->dim);
            if (cd->vtblInterfaces->dim)
                dtxoff(&dt, cd->csym, offset, TYnptr);      // (*)
            else
                dtsize_t(&dt, 0);

            // base
            if (cd->baseClass)
                dtxoff(&dt, toSymbol(cd->baseClass), 0, TYnptr);
            else
                dtsize_t(&dt, 0);

            // destructor
            if (cd->dtor)
                dtxoff(&dt, toSymbol(cd->dtor), 0, TYnptr);
            else
                dtsize_t(&dt, 0);

            // invariant
            if (cd->inv)
                dtxoff(&dt, toSymbol(cd->inv), 0, TYnptr);
            else
                dtsize_t(&dt, 0);

            // flags
            ClassFlags::Type flags = ClassFlags::hasOffTi;
            if (cd->isCOMclass()) flags |= ClassFlags::isCOMclass;
            if (cd->isCPPclass()) flags |= ClassFlags::isCPPclass;
            flags |= ClassFlags::hasGetMembers;
            flags |= ClassFlags::hasTypeInfo;
            if (cd->ctor)
                flags |= ClassFlags::hasCtor;
            for (ClassDeclaration *pc = cd; pc; pc = pc->baseClass)
            {
                if (pc->dtor)
                {
                    flags |= ClassFlags::hasDtor;
                    break;
                }
            }
            if (cd->isabstract)
                flags |= ClassFlags::isAbstract;
            for (ClassDeclaration *pc = cd; pc; pc = pc->baseClass)
            {
                if (pc->members)
                {
                    for (size_t i = 0; i < pc->members->dim; i++)
                    {
                        Dsymbol *sm = (*pc->members)[i];
                        //printf("sm = %s %s\n", sm->kind(), sm->toChars());
                        if (sm->hasPointers())
                            goto L2;
                    }
                }
            }
            flags |= ClassFlags::noPointers;
          L2:
            dtsize_t(&dt, flags);


            // deallocator
            if (cd->aggDelete)
                dtxoff(&dt, toSymbol(cd->aggDelete), 0, TYnptr);
            else
                dtsize_t(&dt, 0);

            // offTi[]
            dtsize_t(&dt, 0);
            dtsize_t(&dt, 0);            // null for now, fix later

            // defaultConstructor
            if (cd->defaultCtor && !(cd->defaultCtor->storage_class & STCdisable))
                dtxoff(&dt, toSymbol(cd->defaultCtor), 0, TYnptr);
            else
                dtsize_t(&dt, 0);

            // xgetRTInfo
            if (cd->getRTInfo)
                Expression_toDt(cd->getRTInfo, &dt);
            else if (flags & ClassFlags::noPointers)
                dtsize_t(&dt, 0);
            else
                dtsize_t(&dt, 1);

            //dtxoff(&dt, toSymbol(type->vtinfo), 0, TYnptr); // typeinfo

            //////////////////////////////////////////////

            // Put out (*vtblInterfaces)[]. Must immediately follow csym, because
            // of the fixup (*)

            offset += cd->vtblInterfaces->dim * (4 * Target::ptrsize);
            for (size_t i = 0; i < cd->vtblInterfaces->dim; i++)
            {
                BaseClass *b = (*cd->vtblInterfaces)[i];
                ClassDeclaration *id = b->sym;

                /* The layout is:
                 *  struct Interface
                 *  {
                 *      ClassInfo *interface;
                 *      void *[] vtbl;
                 *      size_t offset;
                 *  }
                 */

                // Fill in vtbl[]
                b->fillVtbl(cd, &b->vtbl, 1);

                dtxoff(&dt, toSymbol(id), 0, TYnptr);         // ClassInfo

                // vtbl[]
                dtsize_t(&dt, id->vtbl.dim);
                dtxoff(&dt, cd->csym, offset, TYnptr);

                dtsize_t(&dt, b->offset);                        // this offset

                offset += id->vtbl.dim * Target::ptrsize;
            }

            // Put out the (*vtblInterfaces)[].vtbl[]
            // This must be mirrored with ClassDeclaration::baseVtblOffset()
            //printf("putting out %d interface vtbl[]s for '%s'\n", vtblInterfaces->dim, toChars());
            for (size_t i = 0; i < cd->vtblInterfaces->dim; i++)
            {
                BaseClass *b = (*cd->vtblInterfaces)[i];
                ClassDeclaration *id = b->sym;

                //printf("    interface[%d] is '%s'\n", i, id->toChars());
                size_t j = 0;
                if (id->vtblOffset())
                {
                    // First entry is ClassInfo reference
                    //dtxoff(&dt, toSymbol(id), 0, TYnptr);

                    // First entry is struct Interface reference
                    dtxoff(&dt, cd->csym, Target::classinfosize + i * (4 * Target::ptrsize), TYnptr);
                    j = 1;
                }
                assert(id->vtbl.dim == b->vtbl.dim);
                for (; j < id->vtbl.dim; j++)
                {
                    assert(j < b->vtbl.dim);
        #if 0
                    RootObject *o = b->vtbl[j];
                    if (o)
                    {
                        printf("o = %p\n", o);
                        assert(o->dyncast() == DYNCAST_DSYMBOL);
                        Dsymbol *s = (Dsymbol *)o;
                        printf("s->kind() = '%s'\n", s->kind());
                    }
        #endif
                    FuncDeclaration *fd = b->vtbl[j];
                    if (fd)
                        dtxoff(&dt, toThunkSymbol(fd, b->offset), 0, TYnptr);
                    else
                        dtsize_t(&dt, 0);
                }
            }

            // Put out the overriding interface vtbl[]s.
            // This must be mirrored with ClassDeclaration::baseVtblOffset()
            //printf("putting out overriding interface vtbl[]s for '%s' at offset x%x\n", toChars(), offset);
            ClassDeclaration *pc;
            for (pc = cd->baseClass; pc; pc = pc->baseClass)
            {
                for (size_t k = 0; k < pc->vtblInterfaces->dim; k++)
                {
                    BaseClass *bs = (*pc->vtblInterfaces)[k];
                    FuncDeclarations bvtbl;
                    if (bs->fillVtbl(cd, &bvtbl, 0))
                    {
                        //printf("\toverriding vtbl[] for %s\n", bs->sym->toChars());
                        ClassDeclaration *id = bs->sym;

                        size_t j = 0;
                        if (id->vtblOffset())
                        {
                            // First entry is ClassInfo reference
                            //dtxoff(&dt, toSymbol(id), 0, TYnptr);

                            // First entry is struct Interface reference
                            dtxoff(&dt, toSymbol(pc), Target::classinfosize + k * (4 * Target::ptrsize), TYnptr);
                            offset += Target::ptrsize;
                            j = 1;
                        }

                        for (; j < id->vtbl.dim; j++)
                        {
                            assert(j < bvtbl.dim);
                            FuncDeclaration *fd = bvtbl[j];
                            if (fd)
                                dtxoff(&dt, toThunkSymbol(fd, bs->offset), 0, TYnptr);
                            else
                                dtsize_t(&dt, 0);
                            offset += Target::ptrsize;
                        }
                    }
                }
            }

            //////////////////////////////////////////////

            dtpatchoffset(*pdtname, offset);

            dtnbytes(&dt, namelen + 1, name);
            const size_t namepad = -(namelen + 1) & (Target::ptrsize - 1); // align
            dtnzeros(&dt, namepad);

            cd->csym->Sdt = dt;
            // ClassInfo cannot be const data, because we use the monitor on it
            outdata(cd->csym);
            if (cd->isExport())
                objmod->export_symbol(cd->csym, 0);

            //////////////////////////////////////////////

            // Put out the vtbl[]
            //printf("putting out %s.vtbl[]\n", toChars());
            dt = NULL;
            if (cd->vtblOffset())
                dtxoff(&dt, cd->csym, 0, TYnptr);           // first entry is ClassInfo reference
            for (size_t i = cd->vtblOffset(); i < cd->vtbl.dim; i++)
            {
                FuncDeclaration *fd = cd->vtbl[i]->isFuncDeclaration();

                //printf("\tvtbl[%d] = %p\n", i, fd);
                if (fd && (fd->fbody || !cd->isAbstract()))
                {
                    // Ensure function has a return value (Bugzilla 4869)
                    fd->functionSemantic();

                    Symbol *s = toSymbol(fd);

                    if (cd->isFuncHidden(fd))
                    {
                        /* fd is hidden from the view of this class.
                         * If fd overlaps with any function in the vtbl[], then
                         * issue 'hidden' error.
                         */
                        for (size_t j = 1; j < cd->vtbl.dim; j++)
                        {
                            if (j == i)
                                continue;
                            FuncDeclaration *fd2 = cd->vtbl[j]->isFuncDeclaration();
                            if (!fd2->ident->equals(fd->ident))
                                continue;
                            if (fd->leastAsSpecialized(fd2) || fd2->leastAsSpecialized(fd))
                            {
                                TypeFunction *tf = (TypeFunction *)fd->type;
                                if (tf->ty == Tfunction)
                                    cd->error("use of %s%s is hidden by %s; use 'alias %s = %s.%s;' to introduce base class overload set",
                                        fd->toPrettyChars(),
                                        parametersTypeToChars(tf->parameters, tf->varargs),
                                        cd->toChars(),

                                        fd->toChars(),
                                        fd->parent->toChars(),
                                        fd->toChars());
                                else
                                    cd->error("use of %s is hidden by %s", fd->toPrettyChars(), cd->toChars());
                                break;
                            }
                        }
                    }

                    dtxoff(&dt, s, 0, TYnptr);
                }
                else
                    dtsize_t(&dt, 0);
            }
            cd->vtblsym->Sdt = dt;
            cd->vtblsym->Sclass = scclass;
            cd->vtblsym->Sfl = FLdata;
            out_readonly(cd->vtblsym);
            outdata(cd->vtblsym);
            if (cd->isExport())
                objmod->export_symbol(cd->vtblsym,0);
        }
Exemple #8
0
dt_t *ArrayInitializer::toDtBit()
{
#if DMDV1
    unsigned size;
    unsigned length;
    unsigned tadim;
    dt_t *d;
    dt_t **pdtend;
    Type *tb = type->toBasetype();

    //printf("ArrayInitializer::toDtBit('%s')\n", toChars());

    Bits databits;
    Bits initbits;

    if (tb->ty == Tsarray)
    {
        /* The 'dim' for ArrayInitializer is only the maximum dimension
         * seen in the initializer, not the type. So, for static arrays,
         * use instead the dimension of the type in order
         * to get the whole thing.
         */
        dinteger_t value = ((TypeSArray*)tb)->dim->toInteger();
        tadim = value;
        assert(tadim == value);  // truncation overflow should already be checked
        databits.resize(tadim);
        initbits.resize(tadim);
    }
    else
    {
        databits.resize(dim);
        initbits.resize(dim);
    }

    /* The default initializer may be something other than zero.
     */
    if (tb->next->defaultInit()->toInteger())
        databits.set();

    size = sizeof(databits.data[0]);

    length = 0;
    for (size_t i = 0; i < index.dim; i++)
    {   Expression *idx;
        Initializer *val;
        Expression *eval;

        idx = (Expression *)index.data[i];
        if (idx)
        {   dinteger_t value;
            value = idx->toInteger();
            length = value;
            if (length != value)
            {   error(loc, "index overflow %llu", value);
                length = 0;
            }
        }
        assert(length < dim);

        val = (Initializer *)value.data[i];
        eval = val->toExpression();
        if (initbits.test(length))
            error(loc, "duplicate initializations for index %d", length);
        initbits.set(length);
        if (eval->toInteger())          // any non-zero value is boolean 'true'
            databits.set(length);
        else
            databits.clear(length);     // boolean 'false'
        length++;
    }

    d = NULL;
#ifdef IN_GCC
    pdtend = dtnbits(&d, databits.allocdim * size, (char *)databits.data, sizeof(databits.data[0]));
#else
    pdtend = dtnbytes(&d, databits.allocdim * size, (char *)databits.data);
#endif
    switch (tb->ty)
    {
    case Tsarray:
    {
        if (dim > tadim)
        {
            error(loc, "too many initializers, %d, for array[%d]", dim, tadim);
        }
        else
        {
            tadim = (tadim + 31) / 32;
            if (databits.allocdim < tadim)
                pdtend = dtnzeros(pdtend, size * (tadim - databits.allocdim));      // pad out end of array
        }
        break;
    }

    case Tpointer:
    case Tarray:
        // Create symbol, and then refer to it
        Symbol *s;
        s = static_sym();
        s->Sdt = d;
        outdata(s);

        d = NULL;
        if (tb->ty == Tarray)
            dtsize_t(&d, dim);
        dtxoff(&d, s, 0, TYnptr);
        break;

    default:
        assert(0);
    }
    return d;
#else
    return NULL;
#endif
}
Exemple #9
0
void Module::genobjfile(int multiobj)
{
    //EEcontext *ee = env->getEEcontext();

    //printf("Module::genobjfile(multiobj = %d) %s\n", multiobj, toChars());

    lastmname = srcfile->toChars();

    obj_initfile(lastmname, NULL, toPrettyChars());

    eictor = NULL;
    ictorlocalgot = NULL;
    sctors.setDim(0);
    ectorgates.setDim(0);
    sdtors.setDim(0);
    ssharedctors.setDim(0);
    esharedctorgates.setDim(0);
    sshareddtors.setDim(0);
    stests.setDim(0);
    dtorcount = 0;
    shareddtorcount = 0;

    if (doppelganger)
    {
        /* Generate a reference to the moduleinfo, so the module constructors
         * and destructors get linked in.
         */
        Module *m = aimports[0];
        assert(m);
        if (m->sictor || m->sctor || m->sdtor || m->ssharedctor || m->sshareddtor)
        {
            Symbol *s = m->toSymbol();
            //objextern(s);
            //if (!s->Sxtrnnum) objextdef(s->Sident);
            if (!s->Sxtrnnum)
            {
                //printf("%s\n", s->Sident);
#if 0 /* This should work, but causes optlink to fail in common/newlib.asm */
                objextdef(s->Sident);
#else
#if ELFOBJ || MACHOBJ
                int nbytes = reftoident(DATA, Offset(DATA), s, 0, I64 ? (CFoff | CFoffset64) : CFoff);
#else
                int nbytes = reftoident(DATA, Doffset, s, 0, CFoff);
                Doffset += nbytes;
#endif
#endif
            }
        }
    }

    if (global.params.cov)
    {
        /* Create coverage identifier:
         *  private uint[numlines] __coverage;
         */
        cov = symbol_calloc("__coverage");
        cov->Stype = type_fake(TYint);
        cov->Stype->Tmangle = mTYman_c;
        cov->Stype->Tcount++;
        cov->Sclass = SCstatic;
        cov->Sfl = FLdata;
#if ELFOBJ || MACHOBJ
        cov->Sseg = UDATA;
#endif
        dtnzeros(&cov->Sdt, 4 * numlines);
        outdata(cov);
        slist_add(cov);

        covb = (unsigned *)calloc((numlines + 32) / 32, sizeof(*covb));
    }

    for (size_t i = 0; i < members->dim; i++)
    {
        Dsymbol *member = (*members)[i];
        member->toObjFile(multiobj);
    }

    if (global.params.cov)
    {
        /* Generate
         *      bit[numlines] __bcoverage;
         */
        Symbol *bcov = symbol_calloc("__bcoverage");
        bcov->Stype = type_fake(TYuint);
        bcov->Stype->Tcount++;
        bcov->Sclass = SCstatic;
        bcov->Sfl = FLdata;
#if ELFOBJ || MACHOBJ
        bcov->Sseg = DATA;
#endif
        dtnbytes(&bcov->Sdt, (numlines + 32) / 32 * sizeof(*covb), (char *)covb);
        outdata(bcov);

        free(covb);
        covb = NULL;

        /* Generate:
         *  _d_cover_register(uint[] __coverage, BitArray __bcoverage, string filename);
         * and prepend it to the static constructor.
         */

        /* t will be the type of the functions generated:
         *      extern (C) void func();
         */
        type *t = type_alloc(TYnfunc);
        t->Tflags |= TFprototype | TFfixed;
        t->Tmangle = mTYman_c;
        t->Tnext = tsvoid;
        tsvoid->Tcount++;

        sictor = toSymbolX("__modictor", SCglobal, t, "FZv");
        cstate.CSpsymtab = &sictor->Sfunc->Flocsym;
        localgot = ictorlocalgot;
        elem *e;

        e = el_params(el_pair(TYdarray, el_long(TYsize_t, numlines), el_ptr(cov)),
                      el_pair(TYdarray, el_long(TYsize_t, numlines), el_ptr(bcov)),
                      toEfilename(),
                      NULL);
        e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_DCOVER]), e);
        eictor = el_combine(e, eictor);
        ictorlocalgot = localgot;
    }

    // If coverage / static constructor / destructor / unittest calls
    if (eictor || sctors.dim || ectorgates.dim || sdtors.dim ||
        ssharedctors.dim || esharedctorgates.dim || sshareddtors.dim || stests.dim)
    {
        if (eictor)
        {
            localgot = ictorlocalgot;

            block *b = block_calloc();
            b->BC = BCret;
            b->Belem = eictor;
            sictor->Sfunc->Fstartline.Sfilename = arg;
            sictor->Sfunc->Fstartblock = b;
            writefunc(sictor);
        }

        sctor = callFuncsAndGates(this, &sctors, &ectorgates, "__modctor");
        sdtor = callFuncsAndGates(this, &sdtors, NULL, "__moddtor");

#if DMDV2
        ssharedctor = callFuncsAndGates(this, &ssharedctors, (StaticDtorDeclarations *)&esharedctorgates, "__modsharedctor");
        sshareddtor = callFuncsAndGates(this, &sshareddtors, NULL, "__modshareddtor");
#endif
        stest = callFuncsAndGates(this, &stests, NULL, "__modtest");

        if (doppelganger)
            genmoduleinfo();
    }

    if (doppelganger)
    {
        obj_termfile();
        return;
    }

    if (global.params.multiobj)
    {   /* This is necessary because the main .obj for this module is written
         * first, but determining whether marray or massert or munittest are needed is done
         * possibly later in the doppelganger modules.
         * Another way to fix it is do the main one last.
         */
        toModuleAssert();
        toModuleUnittest();
        toModuleArray();
    }

#if 1
    // Always generate module info, because of templates and -cov
    if (1 || needModuleInfo())
        genmoduleinfo();
#endif

    // If module assert
    for (int i = 0; i < 3; i++)
    {
        Symbol *ma;
        unsigned rt;
        unsigned bc;
        switch (i)
        {
            case 0:     ma = marray;    rt = RTLSYM_DARRAY;     bc = BCexit; break;
            case 1:     ma = massert;   rt = RTLSYM_DASSERTM;   bc = BCexit; break;
            case 2:     ma = munittest; rt = RTLSYM_DUNITTESTM; bc = BCret;  break;
            default:    assert(0);
        }

        if (ma)
        {
            elem *elinnum;

            localgot = NULL;

            // Call dassert(filename, line)
            // Get sole parameter, linnum
            {
                Symbol *sp = symbol_calloc("linnum");
                sp->Stype = type_fake(TYint);
                sp->Stype->Tcount++;
                sp->Sclass = SCfastpar;
                size_t num;
                sp->Spreg = getintegerparamsreglist(TYjfunc, &num)[0];
                sp->Sflags &= ~SFLspill;
                sp->Sfl = FLpara;       // FLauto?
                cstate.CSpsymtab = &ma->Sfunc->Flocsym;
                symbol_add(sp);

                elinnum = el_var(sp);
            }

            elem *efilename = el_ptr(toSymbol());

            elem *e = el_var(rtlsym[rt]);
            e = el_bin(OPcall, TYvoid, e, el_param(elinnum, efilename));

            block *b = block_calloc();
            b->BC = bc;
            b->Belem = e;
            ma->Sfunc->Fstartline.Sfilename = arg;
            ma->Sfunc->Fstartblock = b;
            ma->Sclass = SCglobal;
            ma->Sfl = 0;
            ma->Sflags |= rtlsym[rt]->Sflags & SFLexit;
            writefunc(ma);
        }
    }

    obj_termfile();
}
Exemple #10
0
void Module::genobjfile(int multiobj)
{
    //EEcontext *ee = env->getEEcontext();

    //printf("Module::genobjfile(multiobj = %d) %s\n", multiobj, toChars());

    lastmname = srcfile->toChars();

    objmod->initfile(lastmname, NULL, toPrettyChars());

    eictor = NULL;
    ictorlocalgot = NULL;
    sctors.setDim(0);
    ectorgates.setDim(0);
    sdtors.setDim(0);
    ssharedctors.setDim(0);
    esharedctorgates.setDim(0);
    sshareddtors.setDim(0);
    stests.setDim(0);
    dtorcount = 0;
    shareddtorcount = 0;

    if (doppelganger)
    {
        /* Generate a reference to the moduleinfo, so the module constructors
         * and destructors get linked in.
         */
        Module *m = aimports[0];
        assert(m);
        if (m->sictor || m->sctor || m->sdtor || m->ssharedctor || m->sshareddtor)
        {
            Symbol *s = m->toSymbol();
            //objextern(s);
            //if (!s->Sxtrnnum) objextdef(s->Sident);
            if (!s->Sxtrnnum)
            {
                //printf("%s\n", s->Sident);
#if 0 /* This should work, but causes optlink to fail in common/newlib.asm */
                objextdef(s->Sident);
#else
                Symbol *sref = symbol_generate(SCstatic, type_fake(TYnptr));
                sref->Sfl = FLdata;
                dtxoff(&sref->Sdt, s, 0, TYnptr);
                outdata(sref);
#endif
            }
        }
    }

    if (global.params.cov)
    {
        /* Create coverage identifier:
         *  private uint[numlines] __coverage;
         */
        cov = symbol_calloc("__coverage");
        cov->Stype = type_fake(TYint);
        cov->Stype->Tmangle = mTYman_c;
        cov->Stype->Tcount++;
        cov->Sclass = SCstatic;
        cov->Sfl = FLdata;
        dtnzeros(&cov->Sdt, 4 * numlines);
        outdata(cov);
        slist_add(cov);

        covb = (unsigned *)calloc((numlines + 32) / 32, sizeof(*covb));
    }

    for (size_t i = 0; i < members->dim; i++)
    {
        Dsymbol *member = (*members)[i];
        //printf("toObjFile %s %s\n", member->kind(), member->toChars());
        member->toObjFile(multiobj);
    }

    if (global.params.cov)
    {
        /* Generate
         *      bit[numlines] __bcoverage;
         */
        Symbol *bcov = symbol_calloc("__bcoverage");
        bcov->Stype = type_fake(TYuint);
        bcov->Stype->Tcount++;
        bcov->Sclass = SCstatic;
        bcov->Sfl = FLdata;
        dtnbytes(&bcov->Sdt, (numlines + 32) / 32 * sizeof(*covb), (char *)covb);
        outdata(bcov);

        free(covb);
        covb = NULL;

        /* Generate:
         *  _d_cover_register(uint[] __coverage, BitArray __bcoverage, string filename);
         * and prepend it to the static constructor.
         */

        /* t will be the type of the functions generated:
         *      extern (C) void func();
         */
        type *t = type_function(TYnfunc, NULL, 0, false, tsvoid);
        t->Tmangle = mTYman_c;

        sictor = toSymbolX("__modictor", SCglobal, t, "FZv");
        cstate.CSpsymtab = &sictor->Sfunc->Flocsym;
        localgot = ictorlocalgot;

        elem *ecov  = el_pair(TYdarray, el_long(TYsize_t, numlines), el_ptr(cov));
        elem *ebcov = el_pair(TYdarray, el_long(TYsize_t, numlines), el_ptr(bcov));

        if (config.exe == EX_WIN64)
        {
            ecov  = addressElem(ecov,  Type::tvoid->arrayOf(), false);
            ebcov = addressElem(ebcov, Type::tvoid->arrayOf(), false);
        }

        elem *e = el_params(
                      el_long(TYuchar, global.params.covPercent),
                      ecov,
                      ebcov,
                      toEfilename(),
                      NULL);
        e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_DCOVER2]), e);
        eictor = el_combine(e, eictor);
        ictorlocalgot = localgot;
    }

    // If coverage / static constructor / destructor / unittest calls
    if (eictor || sctors.dim || ectorgates.dim || sdtors.dim ||
        ssharedctors.dim || esharedctorgates.dim || sshareddtors.dim || stests.dim)
    {
        if (eictor)
        {
            localgot = ictorlocalgot;

            block *b = block_calloc();
            b->BC = BCret;
            b->Belem = eictor;
            sictor->Sfunc->Fstartline.Sfilename = arg;
            sictor->Sfunc->Fstartblock = b;
            writefunc(sictor);
        }

        sctor = callFuncsAndGates(this, &sctors, &ectorgates, "__modctor");
        sdtor = callFuncsAndGates(this, &sdtors, NULL, "__moddtor");

#if DMDV2
        ssharedctor = callFuncsAndGates(this, &ssharedctors, (StaticDtorDeclarations *)&esharedctorgates, "__modsharedctor");
        sshareddtor = callFuncsAndGates(this, &sshareddtors, NULL, "__modshareddtor");
#endif
        stest = callFuncsAndGates(this, &stests, NULL, "__modtest");

        if (doppelganger)
            genmoduleinfo();
    }

    if (doppelganger)
    {
        objmod->termfile();
        return;
    }

    if (global.params.multiobj)
    {   /* This is necessary because the main .obj for this module is written
         * first, but determining whether marray or massert or munittest are needed is done
         * possibly later in the doppelganger modules.
         * Another way to fix it is do the main one last.
         */
        toModuleAssert();
        toModuleUnittest();
        toModuleArray();
    }

    /* Always generate module info, because of templates and -cov.
     * But module info needs the runtime library, so disable it for betterC.
     */
    if (!global.params.betterC /*|| needModuleInfo()*/)
        genmoduleinfo();

    // If module assert
    for (int i = 0; i < 3; i++)
    {
        Symbol *ma;
        unsigned rt;
        unsigned bc;
        switch (i)
        {
            case 0:     ma = marray;    rt = RTLSYM_DARRAY;     bc = BCexit; break;
            case 1:     ma = massert;   rt = RTLSYM_DASSERTM;   bc = BCexit; break;
            case 2:     ma = munittest; rt = RTLSYM_DUNITTESTM; bc = BCret;  break;
            default:    assert(0);
        }

        if (ma)
        {
            elem *elinnum;

            localgot = NULL;

            // Call dassert(filename, line)
            // Get sole parameter, linnum
            {
                Symbol *sp = symbol_calloc("linnum");
                sp->Stype = type_fake(TYint);
                sp->Stype->Tcount++;
                sp->Sclass = (config.exe == EX_WIN64) ? SCshadowreg : SCfastpar;

                FuncParamRegs fpr(TYjfunc);
                fpr.alloc(sp->Stype, sp->Stype->Tty, &sp->Spreg, &sp->Spreg2);

                sp->Sflags &= ~SFLspill;
                sp->Sfl = (sp->Sclass == SCshadowreg) ? FLpara : FLfast;
                cstate.CSpsymtab = &ma->Sfunc->Flocsym;
                symbol_add(sp);

                elinnum = el_var(sp);
            }

            elem *efilename = el_ptr(toSymbol());

            elem *e = el_var(rtlsym[rt]);
            e = el_bin(OPcall, TYvoid, e, el_param(elinnum, efilename));

            block *b = block_calloc();
            b->BC = bc;
            b->Belem = e;
            ma->Sfunc->Fstartline.Sfilename = arg;
            ma->Sfunc->Fstartblock = b;
            ma->Sclass = SCglobal;
            ma->Sfl = 0;
            ma->Sflags |= rtlsym[rt]->Sflags & SFLexit;
            writefunc(ma);
        }
    }

    objmod->termfile();
}
Exemple #11
0
void TypeInfoStructDeclaration::toDt(dt_t **pdt)
{
    //printf("TypeInfoStructDeclaration::toDt() '%s'\n", toChars());

    unsigned offset = Type::typeinfostruct->structsize;

    dtxoff(pdt, Type::typeinfostruct->toVtblSymbol(), 0, TYnptr); // vtbl for TypeInfo_Struct
    dtdword(pdt, 0);                        // monitor

    assert(tinfo->ty == Tstruct);

    TypeStruct *tc = (TypeStruct *)tinfo;
    StructDeclaration *sd = tc->sym;

    /* Put out:
     *  char[] name;
     *  void[] init;
     *  hash_t function(void*) xtoHash;
     *  int function(void*,void*) xopEquals;
     *  int function(void*,void*) xopCmp;
     *  char[] function(void*) xtoString;
     *  uint m_flags;
     *
     *  name[]
     */

    const char *name = sd->toPrettyChars();
    size_t namelen = strlen(name);
    dtdword(pdt, namelen);
    //dtabytes(pdt, TYnptr, 0, namelen + 1, name);
    dtxoff(pdt, toSymbol(), offset, TYnptr);
    offset += namelen + 1;

    // void[] init;
    dtdword(pdt, sd->structsize);       // init.length
    if (sd->zeroInit)
        dtdword(pdt, 0);                // NULL for 0 initialization
    else
        dtxoff(pdt, sd->toInitializer(), 0, TYnptr);    // init.ptr

    FuncDeclaration *fd;
    FuncDeclaration *fdx;
    TypeFunction *tf;
    Type *ta;
    Dsymbol *s;

    static TypeFunction *tftohash;
    static TypeFunction *tftostring;

    if (!tftohash)
    {
        Scope sc;

        tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd);
        tftohash = (TypeFunction *)tftohash->semantic(0, &sc);

        tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd);
        tftostring = (TypeFunction *)tftostring->semantic(0, &sc);
    }

    TypeFunction *tfeqptr;
    {
        Scope sc;
        Parameters *arguments = new Parameters;
#if STRUCTTHISREF
        // arg type is ref const T
        Parameter *arg = new Parameter(STCref, tc->constOf(), NULL, NULL);
#else
        // arg type is const T*
        Parameter *arg = new Parameter(STCin, tc->pointerTo(), NULL, NULL);
#endif

        arguments->push(arg);
        tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd);
        tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc);
    }

#if 0
    TypeFunction *tfeq;
    {
        Scope sc;
        Array *arguments = new Array;
        Parameter *arg = new Parameter(In, tc, NULL, NULL);

        arguments->push(arg);
        tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd);
        tfeq = (TypeFunction *)tfeq->semantic(0, &sc);
    }
#endif

    s = search_function(sd, Id::tohash);
    fdx = s ? s->isFuncDeclaration() : NULL;
    if (fdx)
    {   fd = fdx->overloadExactMatch(tftohash);
        if (fd)
            dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
        else
            //fdx->error("must be declared as extern (D) uint toHash()");
            dtdword(pdt, 0);
    }
    else
        dtdword(pdt, 0);

    s = search_function(sd, Id::eq);
    fdx = s ? s->isFuncDeclaration() : NULL;
    for (int i = 0; i < 2; i++)
    {
        if (fdx)
        {   fd = fdx->overloadExactMatch(tfeqptr);
            if (fd)
                dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
            else
                //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars());
                dtdword(pdt, 0);
        }
        else
            //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars());
            dtdword(pdt, 0);

        s = search_function(sd, Id::cmp);
        fdx = s ? s->isFuncDeclaration() : NULL;
    }

    s = search_function(sd, Id::tostring);
    fdx = s ? s->isFuncDeclaration() : NULL;
    if (fdx)
    {   fd = fdx->overloadExactMatch(tftostring);
        if (fd)
            dtxoff(pdt, fd->toSymbol(), 0, TYnptr);
        else
            //fdx->error("must be declared as extern (D) char[] toString()");
            dtdword(pdt, 0);
    }
    else
        dtdword(pdt, 0);

    // uint m_flags;
    dtdword(pdt, tc->hasPointers());

#if DMDV2
    // xgetMembers
    FuncDeclaration *sgetmembers = sd->findGetMembers();
    if (sgetmembers)
        dtxoff(pdt, sgetmembers->toSymbol(), 0, TYnptr);
    else
        dtdword(pdt, 0);                        // xgetMembers

    // xdtor
    FuncDeclaration *sdtor = sd->dtor;
    if (sdtor)
        dtxoff(pdt, sdtor->toSymbol(), 0, TYnptr);
    else
        dtdword(pdt, 0);                        // xdtor

    // xpostblit
    FuncDeclaration *spostblit = sd->postblit;
    if (spostblit)
        dtxoff(pdt, spostblit->toSymbol(), 0, TYnptr);
    else
        dtdword(pdt, 0);                        // xpostblit
#endif
    // name[]
    dtnbytes(pdt, namelen + 1, name);
}
Exemple #12
0
void FuncDeclaration::toObjFile(int multiobj)
{
    FuncDeclaration *func = this;
    ClassDeclaration *cd = func->parent->isClassDeclaration();
    int reverse;
    int has_arguments;

    //printf("FuncDeclaration::toObjFile(%p, %s.%s)\n", func, parent->toChars(), func->toChars());
    //if (type) printf("type = %s\n", func->type->toChars());
#if 0
    //printf("line = %d\n",func->getWhere() / LINEINC);
    EEcontext *ee = env->getEEcontext();
    if (ee->EEcompile == 2)
    {
        if (ee->EElinnum < (func->getWhere() / LINEINC) ||
                ee->EElinnum > (func->endwhere / LINEINC)
           )
            return;             // don't compile this function
        ee->EEfunc = func->toSymbol();
    }
#endif

    if (semanticRun >= PASSobj) // if toObjFile() already run
        return;

    // If errors occurred compiling it, such as bugzilla 6118
    if (type && type->ty == Tfunction && ((TypeFunction *)type)->next->ty == Terror)
        return;

    if (!func->fbody)
    {
        return;
    }
    if (func->isUnitTestDeclaration() && !global.params.useUnitTests)
        return;

    if (multiobj && !isStaticDtorDeclaration() && !isStaticCtorDeclaration())
    {   obj_append(this);
        return;
    }

    if (semanticRun == PASSsemanticdone)
    {
        /* What happened is this function failed semantic3() with errors,
         * but the errors were gagged.
         * Try to reproduce those errors, and then fail.
         */
        error("errors compiling the function");
        return;
    }
    assert(semanticRun == PASSsemantic3done);
    semanticRun = PASSobj;

    if (global.params.verbose)
        printf("function  %s\n",func->toPrettyChars());

    Symbol *s = func->toSymbol();
    func_t *f = s->Sfunc;

#if TARGET_WINDOS
    /* This is done so that the 'this' pointer on the stack is the same
     * distance away from the function parameters, so that an overriding
     * function can call the nested fdensure or fdrequire of its overridden function
     * and the stack offsets are the same.
     */
    if (isVirtual() && (fensure || frequire))
        f->Fflags3 |= Ffakeeh;
#endif

#if TARGET_OSX
    s->Sclass = SCcomdat;
#else
    s->Sclass = SCglobal;
#endif
    for (Dsymbol *p = parent; p; p = p->parent)
    {
        if (p->isTemplateInstance())
        {
            s->Sclass = SCcomdat;
            break;
        }
    }

    /* Vector operations should be comdat's
     */
    if (isArrayOp)
        s->Sclass = SCcomdat;

    if (isNested())
    {
//      if (!(config.flags3 & CFG3pic))
//          s->Sclass = SCstatic;
        f->Fflags3 |= Fnested;

        /* The enclosing function must have its code generated first,
         * so we know things like where its local symbols are stored.
         */
        FuncDeclaration *fdp = toAliasFunc()->toParent2()->isFuncDeclaration();
        // Bug 8016 - only include the function if it is a template instance
        Dsymbol * owner = NULL;
        if (fdp)
        {   owner =  fdp->toParent();
            while (owner && !owner->isTemplateInstance())
                owner = owner->toParent();
        }

        if (owner && fdp && fdp->semanticRun == PASSsemantic3done &&
                !fdp->isUnitTestDeclaration())
        {
            /* Can't do unittest's out of order, they are order dependent in that their
             * execution is done in lexical order, and some modules (std.datetime *cough*
             * *cough*) rely on this.
             */
            fdp->toObjFile(multiobj);
        }
    }
    else
    {
        const char *libname = (global.params.symdebug)
                              ? global.params.debuglibname
                              : global.params.defaultlibname;

        // Pull in RTL startup code (but only once)
        if (func->isMain() && onlyOneMain(loc))
        {
#if TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_OPENBSD || TARGET_SOLARIS
            objmod->external_def("_main");
            objmod->ehsections();   // initialize exception handling sections
#endif
#if TARGET_WINDOS
            if (I64)
            {
                objmod->external_def("main");
                objmod->ehsections();   // initialize exception handling sections
            }
            else
            {
                objmod->external_def("_main");
                objmod->external_def("__acrtused_con");
            }
#endif
            objmod->includelib(libname);
            s->Sclass = SCglobal;
        }
        else if (strcmp(s->Sident, "main") == 0 && linkage == LINKc)
        {
#if TARGET_WINDOS
            if (I64)
            {
                objmod->includelib("LIBCMT");
                objmod->includelib("OLDNAMES");
            }
            else
            {
                objmod->external_def("__acrtused_con");        // bring in C startup code
                objmod->includelib("snn.lib");          // bring in C runtime library
            }
#endif
            s->Sclass = SCglobal;
        }
#if TARGET_WINDOS
        else if (func->isWinMain() && onlyOneMain(loc))
        {
            if (I64)
            {
                objmod->includelib("uuid");
                objmod->includelib("LIBCMT");
                objmod->includelib("OLDNAMES");
                objmod->ehsections();   // initialize exception handling sections
            }
            else
            {
                objmod->external_def("__acrtused");
            }
            objmod->includelib(libname);
            s->Sclass = SCglobal;
        }

        // Pull in RTL startup code
        else if (func->isDllMain() && onlyOneMain(loc))
        {
            if (I64)
            {
                objmod->includelib("uuid");
                objmod->includelib("LIBCMT");
                objmod->includelib("OLDNAMES");
                objmod->ehsections();   // initialize exception handling sections
            }
            else
            {
                objmod->external_def("__acrtused_dll");
            }
            objmod->includelib(libname);
            s->Sclass = SCglobal;
        }
#endif
    }

    cstate.CSpsymtab = &f->Flocsym;

    // Find module m for this function
    Module *m = NULL;
    for (Dsymbol *p = parent; p; p = p->parent)
    {
        m = p->isModule();
        if (m)
            break;
    }

    IRState irs(m, func);
    Dsymbols deferToObj;                   // write these to OBJ file later
    irs.deferToObj = &deferToObj;

    TypeFunction *tf;
    enum RET retmethod;
    symbol *shidden = NULL;
    Symbol *sthis = NULL;
    tym_t tyf;

    tyf = tybasic(s->Stype->Tty);
    //printf("linkage = %d, tyf = x%x\n", linkage, tyf);
    reverse = tyrevfunc(s->Stype->Tty);

    assert(func->type->ty == Tfunction);
    tf = (TypeFunction *)(func->type);
    has_arguments = (tf->linkage == LINKd) && (tf->varargs == 1);
    retmethod = tf->retStyle();
    if (retmethod == RETstack)
    {
        // If function returns a struct, put a pointer to that
        // as the first argument
        ::type *thidden = tf->next->pointerTo()->toCtype();
        char hiddenparam[5+4+1];
        static int hiddenparami;    // how many we've generated so far

        sprintf(hiddenparam,"__HID%d",++hiddenparami);
        shidden = symbol_name(hiddenparam,SCparameter,thidden);
        shidden->Sflags |= SFLtrue | SFLfree;
#if DMDV1
        if (func->nrvo_can && func->nrvo_var && func->nrvo_var->nestedref)
#else
        if (func->nrvo_can && func->nrvo_var && func->nrvo_var->nestedrefs.dim)
#endif
            type_setcv(&shidden->Stype, shidden->Stype->Tty | mTYvolatile);
        irs.shidden = shidden;
        this->shidden = shidden;
    }
    else
    {   // Register return style cannot make nrvo.
        // Auto functions keep the nrvo_can flag up to here,
        // so we should eliminate it before entering backend.
        nrvo_can = 0;
    }

    if (vthis)
    {
        assert(!vthis->csym);
        sthis = vthis->toSymbol();
        irs.sthis = sthis;
        if (!(f->Fflags3 & Fnested))
            f->Fflags3 |= Fmember;
    }

    Symbol **params;

    // Estimate number of parameters, pi
    size_t pi = (v_arguments != NULL);
    if (parameters)
        pi += parameters->dim;
    // Allow extra 2 for sthis and shidden
    params = (Symbol **)alloca((pi + 2) * sizeof(Symbol *));

    // Get the actual number of parameters, pi, and fill in the params[]
    pi = 0;
    if (v_arguments)
    {
        params[pi] = v_arguments->toSymbol();
        pi += 1;
    }
    if (parameters)
    {
        for (size_t i = 0; i < parameters->dim; i++)
        {   VarDeclaration *v = (*parameters)[i];
            if (v->csym)
            {
                error("compiler error, parameter '%s', bugzilla 2962?", v->toChars());
                assert(0);
            }
            params[pi + i] = v->toSymbol();
        }
        pi += parameters->dim;
    }

    if (reverse)
    {   // Reverse params[] entries
        for (size_t i = 0; i < pi/2; i++)
        {
            Symbol *sptmp = params[i];
            params[i] = params[pi - 1 - i];
            params[pi - 1 - i] = sptmp;
        }
    }

    if (shidden)
    {
#if 0
        // shidden becomes last parameter
        params[pi] = shidden;
#else
        // shidden becomes first parameter
        memmove(params + 1, params, pi * sizeof(params[0]));
        params[0] = shidden;
#endif
        pi++;
    }


    if (sthis)
    {
#if 0
        // sthis becomes last parameter
        params[pi] = sthis;
#else
        // sthis becomes first parameter
        memmove(params + 1, params, pi * sizeof(params[0]));
        params[0] = sthis;
#endif
        pi++;
    }

    if ((global.params.isLinux || global.params.isOSX || global.params.isFreeBSD || global.params.isSolaris) &&
            linkage != LINKd && shidden && sthis)
    {
        /* swap shidden and sthis
         */
        Symbol *sp = params[0];
        params[0] = params[1];
        params[1] = sp;
    }

    for (size_t i = 0; i < pi; i++)
    {   Symbol *sp = params[i];
        sp->Sclass = SCparameter;
        sp->Sflags &= ~SFLspill;
        sp->Sfl = FLpara;
        symbol_add(sp);
    }

    // Determine register assignments
    if (pi)
    {
        FuncParamRegs fpr(tyf);

        for (size_t i = 0; i < pi; i++)
        {   Symbol *sp = params[i];
            if (fpr.alloc(sp->Stype, sp->Stype->Tty, &sp->Spreg, &sp->Spreg2))
            {
                sp->Sclass = (config.exe == EX_WIN64) ? SCshadowreg : SCfastpar;
                sp->Sfl = (sp->Sclass == SCshadowreg) ? FLpara : FLfast;
            }
        }
    }

    if (func->fbody)
    {   block *b;
        Blockx bx;

        localgot = NULL;

        Statement *sbody = func->fbody;
        memset(&bx,0,sizeof(bx));
        bx.startblock = block_calloc();
        bx.curblock = bx.startblock;
        bx.funcsym = s;
        bx.scope_index = -1;
        bx.classdec = cd;
        bx.member = func;
        bx.module = getModule();
        irs.blx = &bx;

        /* If profiling, insert call to the profiler here.
         *      _c_trace_pro(char* funcname);
         */
        if (global.params.trace)
        {
            dt_t *dt = NULL;

            char *id = s->Sident;
            size_t len = strlen(id);
            dtnbytes(&dt, len + 1, id);

            Symbol *sfuncname = symbol_generate(SCstatic,type_fake(TYchar));
            sfuncname->Sdt = dt;
            sfuncname->Sfl = FLdata;
            out_readonly(sfuncname);
            outdata(sfuncname);
            elem *efuncname = el_ptr(sfuncname);

            elem *eparam = el_params(efuncname, el_long(TYsize_t, len), NULL);
            elem *e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_TRACE_CPRO]), eparam);
            block_appendexp(bx.curblock, e);
        }

#if DMDV2
        buildClosure(&irs);
#endif

#if 0
        if (func->isSynchronized())
        {
            if (cd)
            {   elem *esync;
                if (func->isStatic())
                {   // monitor is in ClassInfo
                    esync = el_ptr(cd->toSymbol());
                }
                else
                {   // 'this' is the monitor
                    esync = el_var(sthis);
                }

                if (func->isStatic() || sbody->usesEH() ||
                        !(config.flags2 & CFG2seh))
                {   // BUG: what if frequire or fensure uses EH?

                    sbody = new SynchronizedStatement(func->loc, esync, sbody);
                }
                else
                {
#if TARGET_WINDOS
                    if (config.flags2 & CFG2seh)
                    {
                        /* The "jmonitor" uses an optimized exception handling frame
                         * which is a little shorter than the more general EH frame.
                         * It isn't strictly necessary.
                         */
                        s->Sfunc->Fflags3 |= Fjmonitor;
                    }
#endif
                    el_free(esync);
                }
            }
            else
            {
                error("synchronized function %s must be a member of a class", func->toChars());
            }
        }
#elif TARGET_WINDOS
        if (func->isSynchronized() && cd && config.flags2 & CFG2seh &&
                !func->isStatic() && !sbody->usesEH())
        {
            /* The "jmonitor" hack uses an optimized exception handling frame
             * which is a little shorter than the more general EH frame.
             */
            s->Sfunc->Fflags3 |= Fjmonitor;
        }
#endif

        sbody->toIR(&irs);
        bx.curblock->BC = BCret;

        f->Fstartblock = bx.startblock;
//      einit = el_combine(einit,bx.init);

        if (isCtorDeclaration())
        {
            assert(sthis);
            for (b = f->Fstartblock; b; b = b->Bnext)
            {
                if (b->BC == BCret)
                {
                    b->BC = BCretexp;
                    b->Belem = el_combine(b->Belem, el_var(sthis));
                }
            }
        }
    }

    // If static constructor
#if DMDV2
    if (isSharedStaticCtorDeclaration())        // must come first because it derives from StaticCtorDeclaration
    {
        ssharedctors.push(s);
    }
    else
#endif
        if (isStaticCtorDeclaration())
        {
            sctors.push(s);
        }

    // If static destructor
#if DMDV2
    if (isSharedStaticDtorDeclaration())        // must come first because it derives from StaticDtorDeclaration
    {
        SharedStaticDtorDeclaration *f = isSharedStaticDtorDeclaration();
        assert(f);
        if (f->vgate)
        {   /* Increment destructor's vgate at construction time
             */
            esharedctorgates.push(f);
        }

        sshareddtors.shift(s);
    }
    else
#endif
        if (isStaticDtorDeclaration())
        {
            StaticDtorDeclaration *f = isStaticDtorDeclaration();
            assert(f);
            if (f->vgate)
            {   /* Increment destructor's vgate at construction time
                 */
                ectorgates.push(f);
            }

            sdtors.shift(s);
        }

    // If unit test
    if (isUnitTestDeclaration())
    {
        stests.push(s);
    }

    if (global.errors)
        return;

    writefunc(s);
    if (isExport())
        objmod->export_symbol(s, Para.offset);

    for (size_t i = 0; i < irs.deferToObj->dim; i++)
    {
        Dsymbol *s = (*irs.deferToObj)[i];

        FuncDeclaration *fd = s->isFuncDeclaration();
        if (fd)
        {   FuncDeclaration *fdp = fd->toParent2()->isFuncDeclaration();
            if (fdp && fdp->semanticRun < PASSobj)
            {   /* Bugzilla 7595
                 * FuncDeclaration::buildClosure() relies on nested functions
                 * being toObjFile'd after the outer function. Otherwise, the
                 * v->offset's for the closure variables are wrong.
                 * So, defer fd until after fdp is done.
                 */
                fdp->deferred.push(fd);
                continue;
            }
        }

        s->toObjFile(0);
    }

    for (size_t i = 0; i < deferred.dim; i++)
    {
        FuncDeclaration *fd = deferred[i];
        fd->toObjFile(0);
    }

#if TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_OPENBSD || TARGET_SOLARIS
    // A hack to get a pointer to this function put in the .dtors segment
    if (ident && memcmp(ident->toChars(), "_STD", 4) == 0)
        objmod->staticdtor(s);
#endif
#if DMDV2
    if (irs.startaddress)
    {
        //printf("Setting start address\n");
        objmod->startaddress(irs.startaddress);
    }
#endif
}