def trace_mem(self, mode, width, addr, val):
# a possible trap?
if mode == "R" and addr < self.lib_base and width == 1:
# is it trapped?
if val == self.op_reset:
delta = self.lib_base - addr
off = delta / 6
addon = "-%d [%d] " % (delta, off)
addon += self._get_fd_str(delta)
self.trace_mem_int(mode, width, addr, val, text="TRAP", level=logging.INFO, addon=addon)
# return to caller after trap
elif val == self.op_rts:
self.trace_mem_int(mode, width, addr, val, text="T_RTS")
# native lib jump
elif val == self.op_jmp:
delta = self.lib_base - addr
addon = "-%d " % delta
addon += self._get_fd_str(delta)
self.trace_mem_int(mode, width, addr, val, text="JUMP", level=logging.INFO, addon=addon)
# something strange
else:
self.trace_mem_int(mode, width, addr, val, text="LIB?!", level=logging.WARN)
else:
# no use regular access
LabelStruct.trace_mem(self, mode, width, addr, val)
return True
def __init__(self, name, addr, size, lib_base, struct, lib):
LabelStruct.__init__(self,
name,
addr,
struct,
size=size,
offset=lib_base - addr)
self.lib_base = lib_base
self.lib = lib
def alloc_struct(self, name, struct):
size = struct.get_size()
addr = self.alloc_mem(size)
label = LabelStruct(name, addr, struct)
self.label_mgr.add_label(label)
access = AccessStruct(self.mem, struct, addr)
mem = Memory(addr,size,label,access)
log_mem_alloc.info("alloc struct: %s",mem)
self.mem_objs[addr] = mem
return mem
def trace_mem(self, mode, width, addr, val):
# a possible trap?
if mode == 'R' and addr < self.lib_base and width == 1:
# is it trapped?
if val & 0xa000 == 0xa000:
delta = self.lib_base - addr
off = delta / 6
addon = "-%d [%d] " % (delta, off)
addon += self._get_fd_str(delta)
self.trace_mem_int(mode,
width,
addr,
val,
text="TRAP",
level=logging.INFO,
addon=addon)
# native lib jump
elif val == self.op_jmp:
delta = self.lib_base - addr
addon = "-%d " % delta
addon += self._get_fd_str(delta)
self.trace_mem_int(mode,
width,
addr,
val,
text="JUMP",
level=logging.INFO,
addon=addon)
# something inside jump table
else:
self.trace_mem_int(mode,
width,
addr,
val,
text="LIB?!",
level=logging.WARN)
else:
# no use regular access
LabelStruct.trace_mem(self, mode, width, addr, val)
return True
def trace_mem(self, mode, width, addr, val):
# a possible trap?
if mode == 'R' and addr < self.lib_base and width == 1:
# is it trapped?
if val == self.op_reset:
delta = self.lib_base - addr
off = delta / 6
addon = "-%d [%d]" % (delta,off)
self.trace_mem_int(mode, width, addr, val, text="TRAP", level=logging.INFO, addon=addon)
# return to caller after trap
elif val == self.op_rts:
self.trace_mem_int(mode, width, addr, val, text="T_RTS")
# native lib jump
elif val == self.op_jmp:
delta = self.lib_base - addr
addon = "-%d" % delta
self.trace_mem_int(mode, width, addr, val, text="JUMP", level=logging.INFO, addon=addon)
# something strange
else:
self.trace_mem_int(mode, width, addr, val, text="LIB?!", level=logging.WARN)
else:
# no use regular access
LabelStruct.trace_mem(self, mode, width, addr, val)
return True
def __str__(self):
return "%s base=%06x" % (LabelStruct.__str__(self), self.lib_base)
def __init__(self, name, addr, size, lib_base, struct):
LabelStruct.__init__(self, name, addr, struct, size=size, offset=lib_base - addr)
self.lib_base = lib_base
def __str__(self):
return "%s base=%06x" % (LabelStruct.__str__(self), self.lib_base)
