mirror of
https://github.com/pmret/papermario.git
synced 2024-09-19 16:01:48 +02:00
120 lines
3.3 KiB
Python
Executable File
120 lines
3.3 KiB
Python
Executable File
#!/usr/bin/python3
|
|
|
|
import os
|
|
import re
|
|
|
|
script_dir = os.path.dirname(os.path.realpath(__file__))
|
|
asm_dir = script_dir + "/../asm/"
|
|
|
|
js = set()
|
|
jals = set()
|
|
bs = set()
|
|
bals = set()
|
|
|
|
debug = False
|
|
|
|
renames = []
|
|
|
|
|
|
def dprint(string):
|
|
if debug:
|
|
print(string)
|
|
|
|
|
|
def scan_file(path):
|
|
with open(path) as f:
|
|
file_lines = f.readlines()
|
|
|
|
for line in file_lines:
|
|
line = line.strip()
|
|
if re.findall(r'\sj\s+.*', line):
|
|
target = line.split()[-1]
|
|
js.add(target)
|
|
if re.findall(r'\sjal\s+.*', line):
|
|
target = line.split()[-1]
|
|
jals.add(target)
|
|
if re.findall(r'\sb.*', line):
|
|
target = line.split()[-1]
|
|
bs.add(target)
|
|
if re.findall(r'\sbal\s+.*', line):
|
|
target = line.split()[-1]
|
|
bals.add(target)
|
|
|
|
|
|
def get_linked_flags(label):
|
|
return (label in js or label in bs), (label in jals or label in bals)
|
|
|
|
|
|
def process_file(path):
|
|
print("Processing " + path)
|
|
with open(path) as fi:
|
|
file_lines = fi.readlines()
|
|
|
|
skip_next = False
|
|
to_delete = []
|
|
for i, line in enumerate(file_lines):
|
|
if skip_next:
|
|
skip_next = False
|
|
continue
|
|
line = line.strip()
|
|
|
|
if line.endswith(":") and not line.startswith(".L"):
|
|
func_preamble = line.startswith("func_")
|
|
label = line[:-1]
|
|
linked_to, linked_al_to = get_linked_flags(label)
|
|
|
|
if func_preamble:
|
|
# func_12345689
|
|
|
|
# Delete redundant label below
|
|
# if file_lines[i + 1].strip() == ".L" + label[5:13] + ":":
|
|
# to_delete.append(i + 1)
|
|
# skip_next = True
|
|
|
|
if linked_al_to:
|
|
# Seems to be legit. Do nothing for now
|
|
continue
|
|
elif linked_to:
|
|
# j / b 'd to, rename as label
|
|
renames.append((label, ".L" + label[5:]))
|
|
else:
|
|
# Not referenced by anything. Delete
|
|
to_delete.append(i)
|
|
|
|
if len(to_delete) > 0:
|
|
print("\tDeleting " + str(len(to_delete)) + " lines...")
|
|
for i in reversed(to_delete):
|
|
del file_lines[i]
|
|
with open(path, "w") as fo:
|
|
fo.writelines(file_lines)
|
|
|
|
|
|
# Collect all branches and jumps
|
|
for root, dirs, files in os.walk(asm_dir):
|
|
for file in files:
|
|
if file.endswith(".s"):
|
|
scan_file(os.path.join(root, file))
|
|
|
|
print("Scanned all files")
|
|
|
|
# Process files
|
|
for root, dirs, files in os.walk(asm_dir):
|
|
for file in files:
|
|
if file.endswith(".s") and "boot" not in file:
|
|
process_file(os.path.join(root, file))
|
|
|
|
if len(renames) > 0:
|
|
print("Renaming " + str(len(renames)) + " labels...")
|
|
for root, dirs, files in os.walk(asm_dir):
|
|
for file in files:
|
|
if file.endswith(".s"):
|
|
file_path = os.path.join(root, file)
|
|
with open(file_path) as f:
|
|
orig_file_text = f.read()
|
|
file_text = orig_file_text
|
|
for rename in renames:
|
|
file_text = file_text.replace(rename[0], rename[1])
|
|
if file_text != orig_file_text:
|
|
with open(file_path, "w") as f:
|
|
f.write(file_text)
|