def dump_mem_state(self):
chunk = self.free_first
num = 0
while chunk != None:
log_mem_alloc.debug("dump #%02d: %s" % (num, chunk))
num += 1
chunk = chunk.next
def dump_mem_state(self):
chunk = self.free_first
num = 0
while chunk != None:
log_mem_alloc.debug("dump #%02d: %s" % (num, chunk))
num += 1
chunk = chunk.next
def free_mem(self, addr, size):
# first check if its a right alloc
if not self.addrs.has_key(addr):
raise VamosInternalError("Invalid Free'd Memory at %06x" % addr)
# align size to 4 bytes
size = (size + 3) & ~3
real_size = self.addrs[addr]
assert size == real_size
# remove from valid allocs
del self.addrs[addr]
# create a new free chunk
chunk = MemoryChunk(addr, real_size)
self._insert_chunk(chunk)
# try to merge with prev/next
prev = chunk.prev
if prev != None:
new_chunk = self._merge_chunk(prev, chunk)
if new_chunk != None:
log_mem_alloc.debug("merged: %s + this=%s -> %s", prev, chunk,
new_chunk)
chunk = new_chunk
next = chunk.next
if next != None:
new_chunk = self._merge_chunk(chunk, next)
if new_chunk != None:
log_mem_alloc.debug("merged: this=%s + %s -> %s", chunk, next,
new_chunk)
# correct free bytes
self.free_bytes += size
num_allocs = len(self.addrs)
log_mem_alloc.info("[free @%06x-%06x: %06x bytes] %s", addr,
addr + size, size, self._stat_info())
def free_mem(self, addr, size):
# first check if its a right alloc
if not self.addrs.has_key(addr):
raise VamosInternalError("Invalid Free'd Memory at %06x" % addr)
# align size to 4 bytes
size = (size + 3) & ~3
real_size = self.addrs[addr]
assert size == real_size
# remove from valid allocs
del self.addrs[addr]
# create a new free chunk
chunk = MemoryChunk(addr, real_size)
self._insert_chunk(chunk)
# try to merge with prev/next
prev = chunk.prev
if prev != None:
new_chunk = self._merge_chunk(prev, chunk)
if new_chunk != None:
log_mem_alloc.debug("merged: %s + this=%s -> %s",
prev, chunk, new_chunk)
chunk = new_chunk
next = chunk.next
if next != None:
new_chunk = self._merge_chunk(chunk, next)
if new_chunk != None:
log_mem_alloc.debug("merged: this=%s + %s -> %s",
chunk, next, new_chunk)
# correct free bytes
self.free_bytes += size
num_allocs = len(self.addrs)
log_mem_alloc.info("[free @%06x-%06x: %06x bytes] %s",
addr, addr+size, size, self._stat_info())