mirror of
https://github.com/Druthulu/BFM-decomp
synced 2026-10-03 00:05:11 -04:00
Drew T
84 lines
3.5 KiB
Python
84 lines
3.5 KiB
Python
#!/usr/bin/env python3
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"""Bank a cracked EXEMPLAR ×1 (carve → splice → staged gate), mirroring jtbl_family_bank.bank()'s
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stage ladder (raw → scoped → recovered → reconciled) but for the exemplar's own overlay (no remap).
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Usage: bank_exemplar.py <ov> <func> <crack.c>
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"""
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import os, sys, subprocess, re
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sys.path.insert(0, 'tools')
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os.chdir('/home/musashi/bfm-decomp')
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import jtbl_family_bank as fb
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from scope_data_externs import fix as scope_data_fix
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from canon_sig_reconcile import reconcile
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OV, FUNC, CRACK = sys.argv[1], sys.argv[2], sys.argv[3]
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def sh(c):
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return subprocess.run(c, shell=True, capture_output=True, text=True)
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dirty = sh("git status --porcelain -- config/ src/").stdout.strip()
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assert not dirty, "tree dirty:\n" + dirty[:300]
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keep = fb.region_files(OV)
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print("== extract (committed config)")
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assert sh(f"make --no-print-directory extract BINARY={OV}").returncode == 0
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print("== carve")
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r = sh(f"python3 tools/jtbl_carve.py {OV} --func {FUNC}")
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if r.returncode and "NON-CONTIGUOUS" in (r.stdout + r.stderr):
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print(" [lazy isolation]")
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assert fb.isolate(OV, FUNC).returncode == 0, "isolate failed"
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assert sh(f"make --no-print-directory extract BINARY={OV}").returncode == 0
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r = sh(f"python3 tools/jtbl_carve.py {OV} --func {FUNC}")
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assert r.returncode == 0, (r.stdout + r.stderr)[-300:]
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print("== re-extract post-carve")
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assert sh(f"make --no-print-directory extract BINARY={OV}").returncode == 0
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cf = fb.stub_file(OV, FUNC)
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print("== stub:", cf)
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assert cf
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orig = open(cf).read()
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m = re.search(rf'INCLUDE_ASM\("[^"]*",\s*{FUNC}\);', orig)
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assert m
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body = open(CRACK).read()
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scoped, moved = scope_data_fix(body, orig, m.start(), FUNC)
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base = scoped if moved else body
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# Fallback ladder (§19 — gate the RAW draft first, each rung more aggressive, bank on the first
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# byte-match). What each recovery rung actually runs:
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# scoped — §8d block-scope demotion of carried D_ externs (only when scope_data_fix moved any).
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# recovered — fb.recover = cast_call_sites (callee-sig casts) THEN reconcile_tu (the DATA-symbol
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# per-TU oracle, wired A3d/4aae5e758): conform each D_ decl to what THIS TU can SEE and
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# cast at use. This is how reconcile_tu reaches bank_exemplar — no separate rung needed.
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# reconciled — canon_sig_reconcile (the def-side loose-typing sig wall; A9a made it fn-ptr-aware).
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stages = [("raw", lambda: body)]
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if moved:
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stages.append(("scoped", lambda: scoped))
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stages += [("recovered", lambda: fb.recover(base, OV, cf, FUNC) or base),
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("reconciled", lambda: reconcile(FUNC, base, tu_path=cf))]
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last_err = ""
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for name, make in stages:
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try:
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cand = make()
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except Exception as e:
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last_err = f"{name}: {repr(e)[:90]}"
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continue
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open(cf, 'w').write(orig[:m.start()] + cand + orig[m.end():])
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b = sh(f"make --no-print-directory build BINARY={OV}")
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if b.returncode == 0 and "[ OK ]" in b.stdout:
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print(f"== BANKED ×1 [{name}] — BYTE-IDENTICAL (tree left banked for R22 + commit)")
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sys.exit(0)
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errs = [l.strip()[:120] for l in (b.stdout + b.stderr).split('\n')
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if re.search(r'conflicting|undeclared|parse error|redefinition', l) and 'built-in' not in l]
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last_err = f"{name}: " + (errs[0] if errs else "byte-diff")
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print(f" [{name}] FAIL — {last_err}" + (f" (+{len(errs)-1} more)" if len(errs) > 1 else ""))
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open(cf, 'w').write(orig)
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fb.revert(OV, cf, keep_regions=keep)
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print("== reverted; last:", last_err)
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sys.exit(1)
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