void *realloc64(void *p, int size){
register unsigned long *mem = p;
unsigned int oldsize;
mem--;
oldsize = *mem+sizeof(long);
if(mem < (unsigned long *)sbrk(0) || mem > (unsigned long *)where){
if(size < 4088){
mem = realloc(mem, size + sizeof(long));
*mem = size;
return (void *)&mem[1];
} else {
mem++;
unsigned long *newmem = malloc64(size);
memcpy(newmem, mem, oldsize-sizeof(long));
mem--;
free(mem);
return (void *)newmem;
}
}
if(size < 4088){
mem++;
unsigned long *newmem = malloc(size+sizeof(long));
*newmem = size;
newmem++;
memcpy(newmem, mem, size);
free64(mem);
return (void *)newmem;
}
mem = mremap(mem, oldsize, size+sizeof(long), 1);
*mem = size;
return (void *)&mem[1];
}
void RegisterAllocator::free(const OperandREF &ref)
{
for(int i = 0; i < 8; i++)
{
if(i == Encoding::ESP || i == Encoding::EBP) continue;
if(GPR[i].reference == ref)
{
free32(i);
}
}
for(int i = 0; i < 8; i++)
{
if(MMX[i].reference == ref)
{
free64(i);
}
}
for(int i = 0; i < 8; i++)
{
if(XMM[i].reference == ref)
{
free128(i);
}
}
}
void RegisterAllocator::freeAll()
{
for(int i = 0; i < 8; i++)
{
if(i == Encoding::ESP || i == Encoding::EBP) continue;
free32(i);
}
for(int i = 0; i < 8; i++)
{
free64(i);
}
for(int i = 0; i < 8; i++)
{
free128(i);
}
}
void RegisterAllocator::free(const OperandMMREG &r64)
{
free64(r64.reg);
}