int main(int argc, const char *argv[])
{
queue_t* a;
int data;
int i;
a = (queue_t*)malloc(sizeof(queue_t));
new_queue(a, 10);
print_queue(a);
pushq(a, 2);
print_queue(a);
popq(a, &data);
print_queue(a);
pushq(a, 3);
print_queue(a);
for(i = 0; i < a->size + 3; i++)
{
pushq(a, i);
print_queue(a);
}
for(i = 0; i < a->size + 3; i++)
{
popq(a, &data);
print_queue(a);
printf("data: %d\n", data);
}
del_queue(a);
free(a);
return 0;
}
static void
assign(Node *n)
{
Node *l, *r;
int op;
op = n->Assign.op;
l = n->Assign.l;
r = n->Assign.r;
if(op == '=') {
expr(r);
pushq("rax");
addr(l);
popq("rcx");
if(!isptr(l->type) && !isitype(l->type) && !isstruct(l->type))
errorf("unimplemented assign\n");
store(l->type);
outi("movq %%rcx, %%rax\n");
return;
}
addr(l);
pushq("rax");
load(l->type);
pushq("rax");
expr(r);
outi("movq %%rax, %%rcx\n");
popq("rax");
/* XXX this type is not correct for comparison ops works anyway, but should be changed*/
obinop(op, n->type);
outi("movq %%rax, %%rcx\n");
popq("rax");
store(l->type);
outi("movq %%rcx, %%rax\n");
}
static void
incdec(Node *n)
{
if(!isitype(n->type) && !isptr(n->type))
panic("unimplemented incdec");
addr(n->Incdec.operand);
pushq("rax");
load(n->type);
if(isptr(n->type)) {
if(n->Incdec.op == TOKINC)
outi("add $%d, %%rax\n", n->type->Ptr.subty->size);
else
outi("add $%d, %%rax\n", -n->type->Ptr.subty->size);
} else {
if(n->Incdec.op == TOKINC)
outi("inc %%rax\n");
else
outi("dec %%rax\n");
}
outi("movq %%rax, %%rcx\n");
popq("rax");
store(n->type);
outi("movq %%rcx, %%rax\n");
if(n->Incdec.post == 1) {
if(n->Incdec.op == TOKINC)
outi("dec %%rax\n");
else
outi("inc %%rax\n");
}
}
static void
call(Node *n)
{
int i, nargs, nintargs, cleanup;
Vec *args;
Node *arg;
args = n->Call.args;
i = nargs = args->len;
/* Push args in reverse order */
while(i-- != 0) {
arg = vecget(args, i);
if(!isitype(arg->type) && !isptr(arg->type) && !isarray(arg->type) && !isfunc(arg->type))
errorposf(&arg->pos, "unimplemented arg type\n");
expr(arg);
pushq("rax");
}
nintargs = nargs;
if(nintargs > 6)
nintargs = 6;
for(i = 0; i < nintargs; i++)
popq(intargregs[i]);
expr(n->Call.funclike);
outi("call *%%rax\n");
cleanup = 8 * (nargs - nintargs);
if(cleanup) {
outi("add $%d, %%rsp\n", cleanup);
stackoffset -= cleanup;
}
}
void
emitsym(Sym *sym)
{
out("# emit sym %s\n", sym->name);
switch(sym->k){
case SYMGLOBAL:
if(sym->Global.sclass == SCEXTERN)
break;
if(isfunc(sym->type)) {
func(sym->init, sym->Global.label, sym->Global.sclass == SCGLOBAL);
break;
}
penddata(sym->Global.label, sym->type, sym->init, sym->Global.sclass == SCGLOBAL);
break;
case SYMLOCAL:
if(sym->init) {
expr(sym->init);
pushq("rax");
outi("leaq %d(%%rbp), %%rax\n", sym->Local.slot->offset);
popq("rcx");
if(!isptr(sym->type) && !isitype(sym->type) && !isstruct(sym->type))
errorf("unimplemented init\n");
store(sym->type);
}
break;
case SYMENUM:
case SYMTYPE:
panic("internal error");
}
out("\n");
}
void set_transition_callback(TransitionRule rule, int dur1, int dur2, TransitionCallback cb, void *arg) {
static bool initialized = false;
if(!rule) {
return;
}
setq(rule, dur1, dur2, cb, arg);
if(!initialized) {
popq();
initialized = true;
transition.rule2 = NULL;
}
if(transition.state == TRANS_IDLE || rule == transition.rule) {
popq();
}
}
void update_transition(void) {
if(!check_transition()) {
return;
}
if(transition.state == TRANS_FADE_IN) {
transition.fade = approach(transition.fade, 1.0, 1.0/transition.dur1);
if(transition.fade == 1.0) {
transition.state = TRANS_FADE_OUT;
call_callback();
if(popq()) {
call_callback();
}
}
} else if(transition.state == TRANS_FADE_OUT) {
transition.fade = transition.dur2 ? approach(transition.fade, 0.0, 1.0/transition.dur2) : 0.0;
if(transition.fade == 0.0) {
transition.state = TRANS_IDLE;
popq();
}
}
}
static void
addr(Node *n)
{
int sz;
int offset;
Sym *sym;
switch(n->t) {
case NUNOP:
expr(n->Unop.operand);
break;
case NSEL:
expr(n->Sel.operand);
if(isptr(n->Sel.operand->type))
offset = structoffsetfromname(n->Sel.operand->type->Ptr.subty, n->Sel.name);
else if(isstruct(n->Sel.operand->type))
offset = structoffsetfromname(n->Sel.operand->type, n->Sel.name);
else
panic("internal error");
if(offset < 0)
panic("internal error");
outi("addq $%d, %%rax\n", offset);
break;
case NIDENT:
sym = n->Ident.sym;
switch(sym->k) {
case SYMGLOBAL:
outi("leaq %s(%%rip), %%rax\n", sym->Global.label);
break;
case SYMLOCAL:
outi("leaq %d(%%rbp), %%rax\n", sym->Local.slot->offset);
break;
default:
panic("internal error");
}
break;
case NIDX:
expr(n->Idx.idx);
sz = n->type->size;
if(sz != 1) {
outi("imul $%d, %%rax\n", sz);
}
pushq("rax");
expr(n->Idx.operand);
popq("rcx");
outi("addq %%rcx, %%rax\n");
break;
default:
errorf("unimplemented addr\n");
}
}
static void
binop(Node *n)
{
if(n->Binop.op == TOKLAND || n->Binop.op == TOKLOR) {
shortcircuit(n);
return;
}
expr(n->Binop.l);
pushq("rax");
expr(n->Binop.r);
outi("movq %%rax, %%rcx\n");
popq("rax");
obinop(n->Binop.op, n->type);
}
static void
store(CTy *t)
{
if(isitype(t) || isptr(t)) {
switch(t->size) {
case 8:
outi("movq %%rcx, (%%rax)\n");
break;
case 4:
outi("movl %%ecx, (%%rax)\n");
break;
case 2:
outi("movw %%cx, (%%rax)\n");
break;
case 1:
outi("movb %%cl, (%%rax)\n");
break;
default:
panic("internal error\n");
}
return;
}
if(isstruct(t)) {
pushq("rdi");
pushq("rsi");
pushq("rcx");
outi("movq %%rcx, %%rsi\n");
outi("movq %%rax, %%rdi\n");
outi("movq $%d, %%rcx\n", t->size);
outi("rep movsb\n");
popq("rcx");
popq("rsi");
popq("rdi");
return;
}
errorf("unimplemented store\n");
}
static void
vastart(Node *n)
{
int argend;
expr(n->Builtin.Vastart.valist);
/* XXX currently only support int args */
argend = (n->Builtin.Vastart.param->Ident.sym->Local.paramidx + 1) * 8;
pushq("rcx");
outi("movl $%d, (%%rax)\n", argend);
outi("movl $%d, 4(%%rax)\n", 48 + 0 * 16);
outi("leaq %d(%%rbp), %%rcx\n", -176);
outi("movq %%rcx, 16(%%rax)\n");
popq("rcx");
}
// void getPsrInfo(VM_Version::CpuidInfo* cpuid_info);
address generate_getPsrInfo() {
StubCodeMark mark(this, "VM_Version", "getPsrInfo_stub");
# define __ _masm->
address start = __ pc();
// rbx is callee-save on both unix and windows
// rcx and rdx are first and second argument registers on windows
__ pushq(rbx);
__ movq(r8, rarg0);
__ xorl(rax, rax);
__ cpuid();
__ leaq(r9, Address(r8, in_bytes(VM_Version::std_cpuid0_offset())));
__ movl(Address(r9, 0), rax);
__ movl(Address(r9, 4), rbx);
__ movl(Address(r9, 8), rcx);
__ movl(Address(r9, 12), rdx);
__ movl(rax, 1);
__ cpuid();
__ leaq(r9, Address(r8, in_bytes(VM_Version::std_cpuid1_offset())));
__ movl(Address(r9, 0), rax);
__ movl(Address(r9, 4), rbx);
__ movl(Address(r9, 8), rcx);
__ movl(Address(r9, 12), rdx);
__ movl(rax, 0x80000001);
__ cpuid();
__ leaq(r9, Address(r8, in_bytes(VM_Version::ext_cpuid1_offset())));
__ movl(Address(r9, 0), rax);
__ movl(Address(r9, 4), rbx);
__ movl(Address(r9, 8), rcx);
__ movl(Address(r9, 12), rdx);
__ popq(rbx);
__ ret(0);
return start;
}
void *master(void *arg){
int done = 0; //used for termination condition
int c = 0;
//put first piece of work in queue
pthread_mutex_lock(&qlock);
insert(0, listSize - 1);
pthread_mutex_unlock(&qlock);
while(done < numThreads - 1){
//check mailboxes and do work
done = 0;
for(c = 1; c < numThreads; c++){
pthread_mutex_lock(&lock[c]);
if(mailbox[c].start == 0 && mailbox[c].end == -1){ //working
//do nothing
} else if(mailbox[c].start == -1 && mailbox[c].end == -1){ //waiting
pthread_mutex_lock(&qlock);
mailbox[c] = popq();
pthread_mutex_unlock(&qlock);
}
if(mailbox[c].start == -1 && mailbox[c].end == -1){ //no work available
done++;
} //otherwise mailbox should say done
pthread_mutex_unlock(&lock[c]);
} //end for
} //end while
//printf("done\n");
for(c = 1; c < numThreads; c++){
pthread_mutex_lock(&lock[c]);
mailbox[c].start = -1;
mailbox[c].end = 0;
pthread_mutex_unlock(&lock[c]);
}
return NULL;
}
