def CreateAllocationMap(self, start, length):
address_map = core.AddressMap()
allocation = self.allocations.get_range(start)
if allocation:
address_map.AddRange(start, start + 16, "_HEAP_ENTRY")
count = length / 8
for pointer in self.profile.Array(offset=start,
count=count,
target="Pointer"):
name = None
allocation = self.allocations.get_range(pointer.v())
if allocation:
alloc_start, alloc_length = allocation
# First check if the pointer points inside this allocation.
if alloc_start == start + 16:
name = "+%#x(%#x)" % (pointer.v() - start, pointer.v())
else:
name = "%#x(%s@%#x)" % (pointer.v(), alloc_length,
alloc_start)
else:
# Maybe it is a resolvable address.
name = self.session.address_resolver.format_address(
pointer.v(), max_distance=1024 * 1024)
if name:
address_map.AddRange(pointer.obj_offset,
pointer.obj_offset + 8, "%s" % name)
return address_map
def CreateAllocationMap(self, start, length, alloc_start, alloc_type):
address_map = core.AddressMap()
# For backend allocs we highlight the heap entry before them.
if alloc_type == "B":
address_map.AddRange(alloc_start - 16, alloc_start, "_HEAP_ENTRY")
# Try to interpret pointers to other allocations and highlight them.
count = length / 8
for pointer in self.profile.Array(offset=start,
count=count,
target="Pointer"):
name = None
alloc_start, alloc_length, alloc_type = (
self.allocations.get_containing_range(pointer.v()))
if alloc_type is not None:
# First check if the pointer points inside this allocation.
if alloc_start == start + 16:
name = "+%#x(%#x)" % (pointer.v() - start, pointer.v())
else:
name = "%#x(%s@%#x)" % (pointer.v(), alloc_length,
alloc_start)
else:
# Maybe it is a resolvable address.
name = ",".join(
self.session.address_resolver.format_address(
pointer.v(), max_distance=1024 * 1024))
if name:
address_map.AddRange(
pointer.obj_offset,
pointer.obj_offset + 8,
# Color it using a unique color related to the address. This
# helps to visually relate the same address across different
# dumps.
"%s" % name,
color_index=pointer.obj_offset)
return address_map