def above(ea, includeSegment=False):
'''Return all of the function names and their offset that calls the function at `ea`.'''
tryhard = lambda ea: "{:s}{:+x}".format(func.name(func.top(
ea)), ea - func.top(ea)) if func.within(ea) else "{:+x}".format(
ea) if func.name(ea) is None else func.name(ea)
return '\n'.join(':'.join(
[segment.name(ea), tryhard(ea)] if includeSegment else [tryhard(ea)])
for ea in func.up(ea))
def above(ea, includeSegment=False):
'''Display all the callers of the function at /ea/'''
tryhard = lambda ea: "{:s}+{:x}".format(database.name(function.top(
ea)), ea - function.top(ea)) if function.within(
ea) else "+{:x}".format(ea) if database.name(
ea) is None else database.name(ea)
return '\n'.join(
':'.join((segment.name(ea),
tryhard(ea)) if includeSegment else (tryhard(ea), ))
for ea in function.up(ea))
def sc_decoder(y_llr,information_pos,frozen_bit):
N = y_llr.size
#print(N)
n = int(np.log2(N))
llr_matrix=np.ones((n+1,N))
llr_matrix[llr_matrix == 1] = float('nan')
bit_matrix=llr_matrix.copy()
llr_matrix[0]=y_llr
position=[0,0,n,N]
while function.all_num(bit_matrix[n]) == 0:
up_llr=llr_matrix[position[0]][position[1]:position[1]+2**(position[2]-position[0])]
up_bit=bit_matrix[position[0]][position[1]:position[1]+2**(position[2]-position[0])]
left_llr=llr_matrix[position[0]+1][position[1]:position[1]+2**(position[2]-position[0]-1)]
left_bit=bit_matrix[position[0]+1][position[1]:position[1]+2**(position[2]-position[0]-1)]
right_llr=llr_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]
right_bit=bit_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]
#print(left_llr)
if function.all_num(up_bit) == 1:
position=function.up(position)
else:
if function.all_num(right_bit) == 1:
up_bit=function.get_up_bit(left_bit,right_bit)
bit_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])]=up_bit.copy()
else:
if function.all_num(right_llr) == 1:
if position[0] == position[2]-1:
right_bit_pos=position[1]+1
right_bit=function.get_right_bit(right_llr,information_pos,frozen_bit,right_bit_pos)
bit_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]=right_bit
else:
position=function.rightdown(position)
else:
if function.all_num(left_bit) == 1:
right_llr=function.get_right_llr(left_bit,up_llr)
llr_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]=right_llr
else:
if function.all_num(left_llr) == 0:
left_llr = function.get_left_llr(up_llr)
llr_matrix[position[0] + 1][position[1]:position[1] + 2 ** (position[2] - position[0] - 1)] = left_llr
else:
if position[0] == position[2]-1:
left_bit_pos=position[1]
left_bit=function.get_left_bit(left_llr,information_pos,frozen_bit,left_bit_pos)
bit_matrix[position[0]+1][position[1]:position[1]+2**(position[2]-position[0]-1)]=left_bit
else:
position = function.leftdown(position)
u_d=[bit_matrix[n],llr_matrix[n]]
return u_d
def sc_stepping_decoder(llr_matrix,bit_matrix,information_pos,frozen_bit,split_pos): #运行到判决split_pos的位置，注意是split_pos判决完成后返回的
N = int(bit_matrix[0].size)
n = int(np.log2(N))
loc=function.get_up_loc(bit_matrix)
position = [loc[0], loc[1], n, N]
while bit_matrix[n][split_pos] != 0 and bit_matrix[n][split_pos] != 1:
up_llr=llr_matrix[position[0]][position[1]:position[1]+2**(position[2]-position[0])]
up_bit=bit_matrix[position[0]][position[1]:position[1]+2**(position[2]-position[0])]
left_llr=llr_matrix[position[0]+1][position[1]:position[1]+2**(position[2]-position[0]-1)]
left_bit=bit_matrix[position[0]+1][position[1]:position[1]+2**(position[2]-position[0]-1)]
right_llr=llr_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]
right_bit=bit_matrix[position[0]+1][position[1]+2**(position[2]-position[0]-1):position[1]+2**(position[2]-position[0])]
if function.all_num(up_bit) == 1:
position = function.up(position)
else:
if function.all_num(right_bit) == 1:
up_bit = function.get_up_bit(left_bit, right_bit)
bit_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])] = up_bit.copy()
else:
if function.all_num(right_llr) == 1:
if position[0] == position[2] - 1: #右底
right_bit_pos = position[1] + 1
right_bit = function.get_right_bit(right_llr, information_pos, frozen_bit, right_bit_pos)
bit_matrix[position[0] + 1][position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (
position[2] - position[0])] = right_bit
else:
position = function.rightdown(position)
else:
if function.all_num(left_bit) == 1:
right_llr = function.get_right_llr(left_bit, up_llr)
llr_matrix[position[0] + 1][position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (
position[2] - position[0])] = right_llr
else:
if function.all_num(left_llr) == 0:
left_llr = function.get_left_llr(up_llr)
llr_matrix[position[0] + 1][
position[1]:position[1] + 2 ** (position[2] - position[0] - 1)] = left_llr
else:
if position[0] == position[2] - 1: #左底
left_bit_pos = position[1]
left_bit = function.get_left_bit(left_llr, information_pos, frozen_bit, left_bit_pos)
bit_matrix[position[0] + 1][
position[1]:position[1] + 2 ** (position[2] - position[0] - 1)] = left_bit
else:
position = function.leftdown(position)
return [llr_matrix,bit_matrix]
def above(ea):
'''Display all the callers of the function at /ea/'''
tryhard = lambda x: '%s+%x'%(database.name(function.top(x)),x-function.top(x)) if function.within(x) else hex(x) if database.name(x) is None else database.name(x)
return '\n'.join(map(tryhard,function.up(ea)))
def fsc_decoder(y_llr,information_pos,frozen_bit,decode_para):
N = y_llr.size
n = int(np.log2(N))
node_list = function.node_identify(N,information_pos,decode_para[1])
llr_matrix = np.ones((n + 1, N))
llr_matrix[llr_matrix == 1] = float('nan')
bit_matrix = llr_matrix.copy()
llr_matrix[0] = y_llr
position = [0, 0, n, N]
while function.all_num(bit_matrix[n]) == 0:
node_col = int(np.floor(position[1]/(2**(n-position[0]))))
if node_list[position[0]][node_col] == 'nan':
up_llr = llr_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])]
up_bit = bit_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])]
left_llr = llr_matrix[position[0] + 1][position[1]:position[1] + 2 ** (position[2] - position[0] - 1)]
left_bit = bit_matrix[position[0] + 1][position[1]:position[1] + 2 ** (position[2] - position[0] - 1)]
right_llr = llr_matrix[position[0] + 1][
position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (position[2] - position[0])]
right_bit = bit_matrix[position[0] + 1][
position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (position[2] - position[0])]
if function.all_num(up_bit) == 1:
position = function.up(position)
else:
if function.all_num(right_bit) == 1:
up_bit = function.get_up_bit(left_bit, right_bit)
bit_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])] = up_bit.copy()
else:
if function.all_num(right_llr) == 1:
if position[0] == position[2] - 1:
right_bit_pos = position[1] + 1
right_bit = function.get_right_bit(right_llr, information_pos, frozen_bit, right_bit_pos)
bit_matrix[position[0] + 1][
position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (
position[2] - position[0])] = right_bit
else:
position = function.rightdown(position)
else:
if function.all_num(left_bit) == 1:
right_llr = function.get_right_llr(left_bit, up_llr)
llr_matrix[position[0] + 1][
position[1] + 2 ** (position[2] - position[0] - 1):position[1] + 2 ** (
position[2] - position[0])] = right_llr
else:
if function.all_num(left_llr) == 0:
left_llr = function.get_left_llr(up_llr)
llr_matrix[position[0] + 1][
position[1]:position[1] + 2 ** (position[2] - position[0] - 1)] = left_llr
else:
if position[0] == position[2] - 1:
left_bit_pos = position[1]
left_bit = function.get_left_bit(left_llr, information_pos, frozen_bit, left_bit_pos)
bit_matrix[position[0] + 1][
position[1]:position[1] + 2 ** (position[2] - position[0] - 1)] = left_bit
else:
position = function.leftdown(position)
else:
up_llr = llr_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])]
node_result = function.node_process(up_llr,node_list[position[0]][node_col])
bit_matrix[position[0]][position[1]:position[1] + 2 ** (position[2] - position[0])] = node_result[0]
bit_matrix[n][position[1]:position[1] + 2 ** (position[2] - position[0])] = node_result[1]
position = function.up(position)
u_d = bit_matrix[n]
return u_d
def above(ea, includeSegment=False):
'''Return all of the function names and their offset that calls the function at `ea`.'''
tryhard = lambda ea: "{:s}{:+x}".format(func.name(func.top(ea)), ea - func.top(ea)) if func.within(ea) else "{:+x}".format(ea) if func.name(ea) is None else func.name(ea)
return '\n'.join(':'.join((segment.name(ea), tryhard(ea)) if includeSegment else (tryhard(ea),)) for ea in func.up(ea))
def above(ea):
'''Display all the callers of the function at /ea/'''
tryhard = lambda x: '%s+%x' % (database.name(function.top(
x)), x - function.top(x)) if function.within(x) else hex(
x) if database.name(x) is None else database.name(x)
return '\n'.join(map(tryhard, function.up(ea)))
