mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-26 22:56:20 +00:00
21a92ab95f
Symbol names like qNaN0x3FFFFF were detected as new sections in the map, which broke lookups for some sections of the ROM
139 lines
3.8 KiB
Python
Executable file
139 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
import os.path
|
|
import argparse
|
|
|
|
parser = argparse.ArgumentParser(
|
|
description="Display various information about a symbol or address."
|
|
)
|
|
parser.add_argument(
|
|
"name",
|
|
type=str,
|
|
default="",
|
|
help="symbol name or ROM/RAM address to lookup"
|
|
)
|
|
parser.add_argument(
|
|
"-e",
|
|
"--expected",
|
|
dest="use_expected",
|
|
action="store_true",
|
|
help="use the map file in expected/build/ instead of build/"
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
mymap = "build/z64.map"
|
|
if args.use_expected:
|
|
mymap = f"expected/{mymap}"
|
|
|
|
if not os.path.isfile(mymap):
|
|
print(f"{mymap} must exist.")
|
|
exit(1)
|
|
|
|
|
|
def search_address(target_addr):
|
|
is_ram = target_addr & 0x80000000
|
|
ram_offset = None
|
|
prev_ram = 0
|
|
prev_rom = 0
|
|
prev_sym = "<start of rom>"
|
|
cur_file = "<no file>"
|
|
prev_file = cur_file
|
|
prev_line = ""
|
|
with open(mymap) as f:
|
|
for line in f:
|
|
if "load address" in line:
|
|
# Ignore .bss sections if we're looking for a ROM address
|
|
if not is_ram and (".bss" in line or ".bss" in prev_line):
|
|
ram_offset = None
|
|
continue
|
|
ram = int(line[16 : 16 + 18], 0)
|
|
rom = int(line[59 : 59 + 18], 0)
|
|
ram_offset = ram - rom
|
|
continue
|
|
|
|
prev_line = line
|
|
|
|
if (
|
|
ram_offset is None
|
|
or "=" in line
|
|
or "*fill*" in line
|
|
or " 0x" not in line
|
|
):
|
|
continue
|
|
|
|
ram = int(line[16 : 16 + 18], 0)
|
|
rom = ram - ram_offset
|
|
sym = line.split()[-1]
|
|
|
|
if sym.startswith("0x"):
|
|
ram_offset = None
|
|
continue
|
|
if "/" in sym:
|
|
cur_file = sym
|
|
continue
|
|
|
|
if rom == target_addr or (is_ram and ram == target_addr):
|
|
return f"{sym} (RAM 0x{ram:X}, ROM 0x{rom:X}, {cur_file})"
|
|
if rom > target_addr or (is_ram and ram > target_addr):
|
|
offset = target_addr - prev_ram if is_ram else target_addr - prev_rom
|
|
return f"at 0x{offset:X} bytes inside {prev_sym} (RAM 0x{prev_ram:X}, ROM 0x{prev_rom:X}, {prev_file})"
|
|
|
|
prev_ram = ram
|
|
prev_rom = rom
|
|
prev_sym = sym
|
|
prev_file = cur_file
|
|
|
|
return "at end of rom?"
|
|
|
|
|
|
def search_symbol(target_sym):
|
|
ram_offset = None
|
|
cur_file = "<no file>"
|
|
prev_line = ""
|
|
with open(mymap) as f:
|
|
for line in f:
|
|
if "load address" in line:
|
|
ram = int(line[16 : 16 + 18], 0)
|
|
rom = int(line[59 : 59 + 18], 0)
|
|
ram_offset = ram - rom
|
|
continue
|
|
|
|
prev_line = line
|
|
|
|
if (
|
|
ram_offset is None
|
|
or "=" in line
|
|
or "*fill*" in line
|
|
or " 0x" not in line
|
|
):
|
|
continue
|
|
|
|
ram = int(line[16 : 16 + 18], 0)
|
|
rom = ram - ram_offset
|
|
sym = line.split()[-1]
|
|
|
|
if sym.startswith("0x"):
|
|
ram_offset = None
|
|
continue
|
|
elif "/" in sym:
|
|
cur_file = sym
|
|
continue
|
|
|
|
if sym == target_sym:
|
|
return (rom, cur_file, ram)
|
|
|
|
return None
|
|
|
|
|
|
try:
|
|
target_addr = int(args.name, 0)
|
|
print(args.name, "is", search_address(target_addr))
|
|
except ValueError:
|
|
sym_info = search_symbol(args.name)
|
|
if sym_info is not None:
|
|
sym_rom = sym_info[0]
|
|
sym_file = sym_info[1]
|
|
sym_ram = sym_info[2]
|
|
print(f"Symbol {args.name} (RAM: 0x{sym_ram:08X}, ROM: 0x{sym_rom:06X}, {sym_file})")
|
|
else:
|
|
print(f"Symbol {args.name} not found in map file {mymap}")
|