Example #1
0
 def alloc_mem(self, size):
   """allocate memory and return addr or 0 if no more memory"""
   # align size to 4 bytes
   size = (size + 3) & ~3
   # find best free chunk
   chunk, left = self._find_best_chunk(size)
   # out of memory?
   if chunk == None:
     log_mem_alloc.warn("[alloc: NO MEMORY for %06x bytes]", size)
     return 0
   # remove chunk from free list
   # is something left?
   addr = chunk.addr
   if left == 0:
     self._remove_chunk(chunk)
   else:
     left_chunk = MemoryChunk(addr + size, left)
     self._replace_chunk(chunk, left_chunk)
   # add to valid allocs map
   self.addrs[addr] = size
   self.free_bytes -= size
   # erase memory
   self.mem.clear_block(addr, size, 0)
   log_mem_alloc.info("[alloc @%06x-%06x: %06x bytes] %s", addr, addr+size, size, self._stat_info())
   return addr
Example #2
0
 def alloc_mem(self, size):
     """allocate memory and return addr or 0 if no more memory"""
     # align size to 4 bytes
     size = (size + 3) & ~3
     # find best free chunk
     chunk, left = self._find_best_chunk(size)
     # out of memory?
     if chunk == None:
         log_mem_alloc.warn("[alloc: NO MEMORY for %06x bytes]", size)
         return 0
     # remove chunk from free list
     # is something left?
     addr = chunk.addr
     if left == 0:
         self._remove_chunk(chunk)
     else:
         left_chunk = MemoryChunk(addr + size, left)
         self._replace_chunk(chunk, left_chunk)
     # add to valid allocs map
     self.addrs[addr] = size
     self.free_bytes -= size
     # erase memory
     self.mem.clear_block(addr, size, 0)
     log_mem_alloc.info("[alloc @%06x-%06x: %06x bytes] %s", addr, addr + size, size, self._stat_info())
     return addr
Example #3
0
 def _dump_orphan(self, addr, size):
     log_mem_alloc.warn("orphan: [@%06x +%06x %06x]" %
                        (addr, size, addr + size))
     if self.label_mgr != None:
         labels = self.label_mgr.get_intersecting_labels(addr, size)
         for l in labels:
             log_mem_alloc.warn("-> %s", l)
Example #4
0
 def _dump_orphan(self, addr, size):
     log_mem_alloc.warn("orphan: [@%06x +%06x %06x]" % (addr, size, addr + size))
     labels = self.label_mgr.get_intersecting_labels(addr, size)
     for l in labels:
         log_mem_alloc.warn("-> %s", l)