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jblitzar
/
github-python

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def canon_name(archh, offseth):
for some_name, (some_offset, _) in archh.registers.items():
if some_offset == offseth and some_name in arch_data[archh.vex_arch[7:].lower()]:
return some_name
return None
for archname in arch_data:
try:
arch = archinfo.arch_from_id(archname)
except (archinfo.ArchError, RuntimeError):
print("Skipping", archname)
continue
new_register_names = {}
new_registers_reverse = {}
misses = []
for a_offset, a_fieldname in arch.register_names.items():
cname = canon_name(arch, a_offset)
if cname is None:
misses.append((a_offset, a_fieldname))
continue
new_offset, new_size = arch_data[archname][cname]
# deal with picking up subregisters? shouldn't need to, beyond the above...
new_register_names[new_offset] = a_fieldname
for alt_name, (sub_offset, sub_size) in arch.registers.items():
if sub_offset >= a_offset and sub_offset < a_offset + new_size:
new_sub_offset = new_offset + (sub_offset - a_offset)
if new_sub_offset not in new_registers_reverse:
new_registers_reverse[new_sub_offset] = []
new_registers_reverse[new_sub_offset].append((sub_size, alt_name))
for misso, miss in misses:
for dlist in new_registers_reverse.values():
for _, alt_name in dlist:
if alt_name == miss:
new_register_names[misso] = miss
break
else:
continue
break
else:
raise Exception(f"Arch {arch.name}: {miss} has no name that matches vex")
# get ready to write back to archinfo source
arch_fname = "archinfo/%s.py" % arch.__class__.__module__.split(".")[-1]
orig_lines = iter(list(open(arch_fname, "rb")))
file_fp = open(arch_fname, "wb")
# copy initial lines
for line in orig_lines:
if " register_names = " in line:
break
file_fp.write(line)
# discard lines we want to replace
for line in orig_lines:
if " registers = " in line:
break
for line in orig_lines:
if "}" in line:
break
# dump out the new data
file_fp.write(" register_names = {\n")
for new_offset in sorted(list(new_register_names)):
file_fp.write(" %d: '%s',\n" % (new_offset, new_register_names[new_offset]))
file_fp.write(" }\n\n")
file_fp.write(" registers = {\n")
for new_offset, dlist in sorted(new_registers_reverse.items()):
for new_size, new_name in sorted(dlist):
file_fp.write(" '%s': (%d, %d),\n" % (new_name, new_offset, new_size))
file_fp.write(" }\n")
# dump out the rest of the file
for line in orig_lines:
file_fp.write(line)
# <FILESEP>
# triplet loss
import tensorflow.keras.backend as K
from itertools import permutations
import random
import tensorflow as tf
import numpy as np
def generate_triplet(x, y, ap_pairs=10, an_pairs=10):
data_xy = tuple([x, y])
trainsize = 1
triplet_train_pairs = []
y_triplet_pairs = []
#triplet_test_pairs = []
for data_class in sorted(set(data_xy[1])):