#!/usr/bin/env python3
"""Side-by-side dword dump at named anchor addresses for both canary and ours."""
import struct, os
here = os.path.dirname(os.path.abspath(__file__))
canary = open(os.path.join(here, "canary-v80.bin"), "rb").read()
ours   = open(os.path.join(here, "ours-v80.bin"), "rb").read()
V80 = 0x80000000

def dump(addr, n=16, label=""):
    off = addr - V80
    print(f"=== {addr:#010x} {label} ===")
    for j in range(n):
        a = addr + j*4
        c = struct.unpack_from(">I", canary, off + j*4)[0]
        o = struct.unpack_from(">I", ours,   off + j*4)[0]
        mark = "  " if c == o else "DIFF"
        print(f"  {a:#010x} canary={c:#010x}  ours={o:#010x}  {mark}")
    print()

for a, n, lbl in [
    (0x828F4070, 32, "0x15e4 worker singleton"),
    (0x828F4838, 32, "audit-023 listener struct"),
    (0x828F3D08, 16, "0x100c dispatcher"),
    (0x828F3EC0, 16, "0x1004 dispatcher"),
    (0x828F48B0, 24, "audit-024A singleton-pool start"),
    (0x828A3230, 16, "audio buffer-completion semaphore"),
    (0x828A3254, 12, "audit-025 audio wait target"),
    (0x82006CF4, 8,  "audit-025 audio_system vtable"),
    (0x828A6900, 24, "0x828a0000 page diff cluster"),
]:
    dump(a, n, lbl)