int InitializeStructure(TYP *tp)
{
SYM *sp;
int nbytes;
needpunc(begin,25);
nbytes = 0;
sp = sp->GetPtr(tp->lst.GetHead()); /* start at top of symbol table */
while(sp != 0) {
while(nbytes < sp->value.i) { /* align properly */
// nbytes += GenerateByte(0);
GenerateByte(0);
// nbytes++;
}
nbytes += InitializeType(sp->tp);
if( lastst == comma)
NextToken();
else if(lastst == end)
break;
else
error(ERR_PUNCT);
sp = sp->GetNextPtr();
}
if( nbytes < tp->size)
genstorage( tp->size - nbytes);
needpunc(end,26);
return tp->size;
}
word32 RandomNumberGenerator::GenerateWord32(word32 min, word32 max)
{
word32 range = max-min;
const int maxBytes = BytePrecision(range);
const int maxBits = BitPrecision(range);
word32 value;
do
{
value = 0;
for (int i=0; i<maxBytes; i++)
value = (value << 8) | GenerateByte();
value = Crop(value, maxBits);
} while (value > range);
return value+min;
}
void RandomNumberGenerator::DiscardBytes(unsigned int n)
{
while (n--)
GenerateByte();
}
void RandomNumberGenerator::GenerateBlock(byte *output, unsigned int size)
{
while (size--)
*output++ = GenerateByte();
}
unsigned int RandomNumberGenerator::GenerateBit()
{
return Parity(GenerateByte());
}
unsigned int RandomNumberGenerator::GenerateBit()
{
return GenerateByte() & 1;
}
/*
* process ParseSpecifierarations of the form:
*
* <type> <ParseSpecifier>, <ParseSpecifier>...;
*
* leaves the ParseSpecifierarations in the symbol table pointed to by
* table and returns the number of bytes declared. al is the
* allocation type to assign, ilc is the initial location
* counter. if al is sc_member then no initialization will
* be processed. ztype should be bt_struct for normal and in
* structure ParseSpecifierarations and sc_union for in union ParseSpecifierarations.
*/
int declare(TABLE *table,int al,int ilc,int ztype)
{
SYM *sp, *sp1, *sp2;
TYP *dhead;
char stnm[200];
static long old_nbytes;
int nbytes;
nbytes = 0;
ParseSpecifier(table);
dhead = head;
for(;;) {
declid = 0;
bit_width = -1;
ParseDeclarationPrefix(ztype==bt_union);
if( declid != 0) { /* otherwise just struct tag... */
sp = allocSYM();
sp->name = declid;
sp->storage_class = al;
if (bit_width > 0 && bit_offset > 0) {
// share the storage word with the previously defined field
nbytes = old_nbytes - ilc;
}
old_nbytes = ilc + nbytes;
if (al != sc_member) {
// sp->isTypedef = isTypedef;
if (isTypedef)
sp->storage_class = sc_typedef;
isTypedef = FALSE;
}
while( (ilc + nbytes) % alignment(head)) {
if( al != sc_member && al != sc_external && al != sc_auto) {
dseg();
GenerateByte(0);
}
++nbytes;
}
if( al == sc_static) {
sp->value.i = nextlabel++;
}
else if( ztype == bt_union)
sp->value.i = ilc;
else if( al != sc_auto )
sp->value.i = ilc + nbytes;
else
sp->value.i = -(ilc + nbytes + head->size);
if (bit_width == -1)
sp->tp = head;
else {
sp->tp = allocTYP();
*(sp->tp) = *head;
sp->tp->type = bt_bitfield;
sp->tp->size = head->size;//tp_int.size;
sp->tp->bit_width = bit_width;
sp->tp->bit_offset = bit_offset;
}
if(
(sp->tp->type == bt_func) &&
sp->storage_class == sc_global )
sp->storage_class = sc_external;
if(ztype == bt_union)
nbytes = imax(nbytes,sp->tp->size);
else if(al != sc_external)
nbytes += sp->tp->size;
if( sp->tp->type == bt_ifunc && (sp1 = search(sp->name,table)) != 0 &&
sp1->tp->type == bt_func )
{
sp1->tp = sp->tp;
sp1->storage_class = sp->storage_class;
// sp1->value.i = sp->value.i;
sp1->IsPrototype = sp->IsPrototype;
sp = sp1;
}
else {
sp2 = search(sp->name,table);
if (sp2 == NULL)
insert(sp,table);
else {
if (funcdecl==2)
sp2->tp = sp->tp;
//else if (!sp2->IsPrototype)
// insert(sp,table);
}
}
if( sp->tp->type == bt_ifunc) { /* function body follows */
ParseFunction(sp);
return nbytes;
}
if( (al == sc_global || al == sc_static) &&
sp->tp->type != bt_func && sp->storage_class!=sc_typedef)
doinit(sp);
}
if (funcdecl==TRUE) {
if (lastst==comma || lastst==semicolon)
break;
if (lastst==closepa)
goto xit1;
}
else if (catchdecl==TRUE) {
if (lastst==closepa)
goto xit1;
}
else if (lastst == semicolon)
break;
needpunc(comma);
if(declbegin(lastst) == 0)
break;
head = dhead;
}
NextToken();
xit1:
return nbytes;
}
void RandomNumberGenerator::DiscardBytes(size_t n)
{
while (n--)
GenerateByte();
}
void dumplits()
{
char *cp;
int64_t nn;
slit *lit;
dfs.printf("<Dumplits>\n");
roseg();
if (casetab) {
nl();
align(8);
nl();
}
while (casetab != nullptr) {
nl();
if (casetab->pass == 2)
put_label(casetab->label, "", casetab->nmspace, 'D');
for (nn = 0; nn < casetab->num; nn++) {
if (casetab->cases[nn].pass==2)
GenerateLabelReference(casetab->cases[nn].label, 0);
}
casetab = casetab->next;
}
if (quadtab) {
nl();
align(8);
nl();
}
// Dumping to ro segment - no need for GC skip
/*
nn = GetQuadtabLen();
if (nn) {
sprintf_s(buf, sizeof(buf), "\tdw\t$%I64X ; GC_skip\n", nn | 0xFFF0200000000000LL);
ofs.printf("%s", buf);
}
*/
while(quadtab != nullptr) {
nl();
if (DataLabels[quadtab->label]) {
put_label(quadtab->label, "", quadtab->nmspace, 'D');
ofs.printf("\tdh\t");
quadtab->Pack(64);
ofs.printf("%s", quadtab->ToString(64));
outcol += 35;
}
quadtab = quadtab->next;
}
if (strtab) {
nl();
align(8);
nl();
}
//nn = GetStrtabLen();
//if (nn) {
// sprintf_s(buf, sizeof(buf), "\tdw\t$%I64X ; GC_skip\n", nn | 0xFFF0200000000000LL);
// ofs.printf("%s", buf);
//}
for (lit = strtab; lit; lit = lit->next) {
ENODE *ep;
agr = ep = (ENODE *)lit->str;
dfs.printf(".");
nl();
if (!lit->isString) {
if (DataLabels[lit->label])
put_label(lit->label, strip_crlf(&lit->str[1]), lit->nmspace, 'D');
}
else
put_label(lit->label,strip_crlf(&lit->str[1]),lit->nmspace,'D');
if (lit->isString) {
cp = lit->str;
switch (*cp) {
case 'B':
cp++;
while (*cp)
GenerateByte(*cp++);
GenerateByte(0);
break;
case 'C':
cp++;
while (*cp)
GenerateChar(*cp++);
GenerateChar(0);
break;
case 'H':
cp++;
while (*cp)
GenerateHalf(*cp++);
GenerateHalf(0);
break;
case 'W':
cp++;
while (*cp)
GenerateWord(*cp++);
GenerateWord(0);
break;
}
}
else {
if (DataLabels[lit->label]) {
ep->PutStructConst(ofs);
}
}
}
strtab = nullptr;
nl();
dfs.printf("</Dumplits>\n");
}
void doinit(SYM *sp)
{
char lbl[200];
int algn;
enum e_sg oseg;
oseg = noseg;
lbl[0] = 0;
// Initialize constants into read-only data segment. Constants may be placed
// in ROM along with code.
if (sp->isConst) {
oseg = rodataseg;
}
if (sp->storage_class == sc_thread) {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,2);
else if (sp->tp->type==bt_pointer && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,2);
else
algn = 2;
seg(oseg==noseg ? tlsseg : oseg,algn);
nl();
}
else if (sp->storage_class == sc_static || lastst==assign) {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,2);
else if (sp->tp->type==bt_pointer && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,2);
else
algn = 2;
seg(oseg==noseg ? dataseg : oseg,algn); /* initialize into data segment */
nl(); /* start a new line in object */
}
else {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,2);
else if (sp->tp->type==bt_pointer && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,2);
else
algn = 2;
seg(oseg==noseg ? bssseg : oseg,algn); /* initialize into data segment */
nl(); /* start a new line in object */
}
if(sp->storage_class == sc_static || sp->storage_class == sc_thread) {
sp->realname = my_strdup(put_label(sp->value.i, (char *)sp->name->c_str(), GetNamespace(), 'D'));
}
else {
if (sp->storage_class == sc_global) {
strcpy_s(lbl, sizeof(lbl), "public ");
if (curseg==dataseg)
strcat_s(lbl, sizeof(lbl), "data ");
else if (curseg==bssseg)
strcat_s(lbl, sizeof(lbl), "bss ");
else if (curseg==tlsseg)
strcat_s(lbl, sizeof(lbl), "tls ");
}
strcat_s(lbl, sizeof(lbl), sp->name->c_str());
gen_strlab(lbl);
}
if (lastst == kw_firstcall) {
GenerateByte(1);
return;
}
else if( lastst != assign) {
genstorage(sp->tp->size);
}
else {
NextToken();
InitializeType(sp->tp);
}
endinit();
if (sp->storage_class == sc_global)
ofs.printf("\nendpublic\n");
}
int initbyte()
{
GenerateByte(GetIntegerExpression((ENODE **)NULL));
return 1;
}
int initbyte()
{
GenerateByte(GetIntegerExpression());
return 1;
}
/*
* process declarations of the form:
*
* <type> <specifier>, <specifier>...;
*
* leaves the declarations in the symbol table pointed to by
* table and returns the number of bytes declared. al is the
* allocation type to assign, ilc is the initial location
* counter. if al is sc_member then no initialization will
* be processed. ztype should be bt_struct for normal and in
* structure ParseSpecifierarations and sc_union for in union ParseSpecifierarations.
*/
int declare(TABLE *table,int al,int ilc,int ztype)
{
SYM *sp, *sp1, *sp2;
TYP *dhead, *tp1, *tp2;
ENODE *ep1, *ep2;
char stnm[200];
int op;
int fd;
int fn_doneinit = 0;
static long old_nbytes;
int nbytes;
nbytes = 0;
if (ParseSpecifier(table))
return nbytes;
dhead = head;
for(;;) {
declid = (char *)NULL;
bit_width = -1;
ParseDeclarationPrefix(ztype==bt_union);
// If a function declaration is taking place and just the type is
// specified without a parameter name, assign an internal compiler
// generated name.
if (funcdecl>0 && funcdecl != 10 && declid==(char *)NULL) {
sprintf(lastid, "_p%d", nparms);
declid = litlate(lastid);
names[nparms++] = declid;
missingArgumentName = TRUE;
}
if( declid != NULL) { /* otherwise just struct tag... */
sp = allocSYM();
sp->name = declid;
sp->storage_class = al;
if (bit_width > 0 && bit_offset > 0) {
// share the storage word with the previously defined field
nbytes = old_nbytes - ilc;
}
old_nbytes = ilc + nbytes;
if (al != sc_member) {
// sp->isTypedef = isTypedef;
if (isTypedef)
sp->storage_class = sc_typedef;
isTypedef = FALSE;
}
while( (ilc + nbytes) % roundAlignment(head)) {
if( al != sc_member && al != sc_external && al != sc_auto) {
if (al==sc_thread)
tseg();
else
dseg();
GenerateByte(0);
}
++nbytes;
}
// Set the struct member storage offset.
if( al == sc_static || al==sc_thread) {
sp->value.i = nextlabel++;
}
else if( ztype == bt_union)
sp->value.i = ilc;
else if( al != sc_auto )
sp->value.i = ilc + nbytes;
// Auto variables are referenced negative to the base pointer
// Structs need to be aligned on the boundary of the largest
// struct element. If a struct is all chars this will be 2.
// If a struct contains a pointer this will be 8. It has to
// be the worst case alignment.
else {
sp->value.i = -(ilc + nbytes + roundSize(head));
}
if (bit_width == -1)
sp->tp = head;
else {
sp->tp = allocTYP();
*(sp->tp) = *head;
sp->tp->type = bt_bitfield;
sp->tp->size = head->size;//tp_int.size;
sp->tp->bit_width = bit_width;
sp->tp->bit_offset = bit_offset;
}
if (isConst)
sp->tp->isConst = TRUE;
if((sp->tp->type == bt_func) && sp->storage_class == sc_global )
sp->storage_class = sc_external;
// Increase the storage allocation by the type size.
if(ztype == bt_union)
nbytes = imax(nbytes,sp->tp->size);
else if(al != sc_external) {
// If a pointer to a function is defined in a struct.
if (isStructDecl && (sp->tp->type==bt_func || sp->tp->type==bt_ifunc))
nbytes += 8;
else
nbytes += roundSize(sp->tp);
}
if (sp->tp->type == bt_ifunc && (sp1 = search(sp->name,table)) != 0 && sp1->tp->type == bt_func )
{
sp1->tp = sp->tp;
sp1->storage_class = sp->storage_class;
sp1->value.i = sp->value.i;
sp1->IsPrototype = sp->IsPrototype;
sp = sp1;
}
else {
sp2 = search(sp->name,table);
if (sp2 == NULL)
insert(sp,table);
else {
if (funcdecl==2)
sp2->tp = sp->tp;
//else if (!sp2->IsPrototype)
// insert(sp,table);
}
}
if (needParseFunction) {
needParseFunction = FALSE;
fn_doneinit = ParseFunction(sp);
if (sp->tp->type != bt_pointer)
return nbytes;
}
// if(sp->tp->type == bt_ifunc) { /* function body follows */
// ParseFunction(sp);
// return nbytes;
// }
if( (al == sc_global || al == sc_static || al==sc_thread) && !fn_doneinit &&
sp->tp->type != bt_func && sp->tp->type != bt_ifunc && sp->storage_class!=sc_typedef)
doinit(sp);
}
if (funcdecl>0) {
if (lastst==comma || lastst==semicolon)
break;
if (lastst==closepa)
goto xit1;
}
else if (catchdecl==TRUE) {
if (lastst==closepa)
goto xit1;
}
else if (lastst == semicolon)
break;
else if (lastst == assign) {
tp1 = nameref(&ep1);
op = en_assign;
// NextToken();
tp2 = asnop(&ep2);
if( tp2 == 0 || !IsLValue(ep1) )
error(ERR_LVALUE);
else {
tp1 = forcefit(&ep1,tp1,&ep2,tp2);
ep1 = makenode(op,ep1,ep2);
}
sp->initexp = ep1;
if (lastst==semicolon)
break;
}
needpunc(comma);
if(declbegin(lastst) == 0)
break;
head = dhead;
}
NextToken();
xit1:
return nbytes;
}
void doinit(SYM *sp)
{
static bool first = true;
char lbl[200];
int algn;
enum e_sg oseg;
char buf[500];
std::streampos endpoint;
TYP *tp;
hasPointer = false;
if (first) {
firstPrim = true;
first = false;
}
oseg = noseg;
lbl[0] = 0;
// Initialize constants into read-only data segment. Constants may be placed
// in ROM along with code.
if (sp->isConst) {
oseg = rodataseg;
}
if (sp->storage_class == sc_thread) {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,8);
else if (sp->tp->type==bt_pointer)// && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,8);
else
algn = 2;
seg(oseg==noseg ? tlsseg : oseg,algn);
nl();
}
else if (sp->storage_class == sc_static || lastst==assign) {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,8);
else if (sp->tp->type==bt_pointer)// && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,8);
else
algn = 2;
seg(oseg==noseg ? dataseg : oseg,algn); /* initialize into data segment */
nl(); /* start a new line in object */
}
else {
if (sp->tp->type==bt_struct || sp->tp->type==bt_union)
algn = imax(sp->tp->alignment,8);
else if (sp->tp->type==bt_pointer)// && sp->tp->val_flag)
algn = imax(sp->tp->GetBtp()->alignment,8);
else
algn = 2;
seg(oseg==noseg ? (lastst==assign ? dataseg : bssseg) : oseg,algn); /* initialize into data segment */
nl(); /* start a new line in object */
}
if (sp->storage_class == sc_static || sp->storage_class == sc_thread) {
//strcpy_s(glbl, sizeof(glbl), gen_label((int)sp->value.i, (char *)sp->name->c_str(), GetNamespace(), 'D'));
if (sp->tp->IsSkippable()) {
patchpoint = ofs.tellp();
sprintf_s(buf, sizeof(buf), "\talign\t8\n\tdw\t$FFF0200000000001\n");
ofs.printf(buf);
}
sp->realname = my_strdup(put_label((int)sp->value.i, (char *)sp->name->c_str(), GetNamespace(), 'D'));
strcpy_s(glbl2, sizeof(glbl2), gen_label((int)sp->value.i, (char *)sp->name->c_str(), GetNamespace(), 'D'));
}
else {
if (sp->storage_class == sc_global) {
strcpy_s(lbl, sizeof(lbl), "public ");
if (curseg==dataseg)
strcat_s(lbl, sizeof(lbl), "data ");
else if (curseg==bssseg)
strcat_s(lbl, sizeof(lbl), "bss ");
else if (curseg==tlsseg)
strcat_s(lbl, sizeof(lbl), "tls ");
}
strcat_s(lbl, sizeof(lbl), sp->name->c_str());
if (sp->tp->IsSkippable()) {
patchpoint = ofs.tellp();
sprintf_s(buf, sizeof(buf), "\talign\t8\n\tdw\t$FFF0200000000001\n");
ofs.printf(buf);
}
strcpy_s(glbl2, sizeof(glbl2), sp->name->c_str());
gen_strlab(lbl);
}
if (lastst == kw_firstcall) {
GenerateByte(1);
return;
}
else if( lastst != assign) {
hasPointer = sp->tp->FindPointer();
genstorage(sp->tp->size);
}
else {
NextToken();
hasPointer = sp->tp->FindPointer();
typ_sp = 0;
tp = sp->tp;
push_typ(tp);
while (tp = tp->GetBtp()) {
push_typ(tp);
}
brace_level = 0;
sp->tp->Initialize(nullptr);
if (sp->tp->numele == 0) {
if (sp->tp->GetBtp()) {
if (sp->tp->GetBtp()->type == bt_char || sp->tp->GetBtp()->type == bt_uchar
|| sp->tp->GetBtp()->type == bt_ichar || sp->tp->GetBtp()->type == bt_iuchar
) {
sp->tp->numele = laststrlen;
sp->tp->size = laststrlen;
}
}
}
}
if (!hasPointer && sp->tp->IsSkippable()) {
endpoint = ofs.tellp();
ofs.seekp(patchpoint);
sprintf_s(buf, sizeof(buf), "\talign\t8\n\tdw\t$%I64X\n", ((genst_cumulative + 7LL) >> 3LL) | 0xFFF0200000000000LL);
ofs.printf(buf);
ofs.seekp(endpoint);
genst_cumulative = 0;
}
