void
runtime·deferreturn(uintptr arg0)
{
Defer *d;
byte *argp;
FuncVal *fn;
d = g->defer;
if(d == nil)
return;
argp = (byte*)&arg0;
if(d->argp != argp)
return;
// Moving arguments around.
// Do not allow preemption here, because the garbage collector
// won't know the form of the arguments until the jmpdefer can
// flip the PC over to fn.
m->locks++;
runtime·memmove(argp, d->args, d->siz);
fn = d->fn;
g->defer = d->link;
freedefer(d);
m->locks--;
if(m->locks == 0 && g->preempt)
g->stackguard0 = StackPreempt;
runtime·jmpdefer(fn, argp);
}
void
runtime·deferreturn(uintptr arg0)
{
Defer *d;
byte *argp, *fn;
d = g->defer;
if(d == nil)
return;
argp = (byte*)&arg0;
if(d->argp != argp)
return;
runtime·mcpy(argp, d->args, d->siz);
g->defer = d->link;
fn = d->fn;
runtime·free(d);
runtime·jmpdefer(fn, argp);
}
void
runtime·deferreturn(uintptr arg0)
{
Defer *d;
byte *argp;
FuncVal *fn;
d = g->defer;
if(d == nil)
return;
argp = (byte*)&arg0;
if(d->argp != argp)
return;
runtime·memmove(argp, d->args, d->siz);
fn = d->fn;
popdefer();
freedefer(d);
runtime·jmpdefer(fn, argp);
}