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BFM-decomp/docs/progress.fleet.md
T
Drew T b6bb04ecff feat(phase-29): CRACK THE PLUMBING FAILURE — the derived-offset remap bug (cookbook §84); func_8013D53C banked 
Drew: "if it fails, see why and try again with new knowledge." It failed twice, then banked.

ROOT CAUSE, byte-proven: a family_remap member reached match_one MATCH (240 ins) and failed the
whole-binary gate by ONE BYTE. The exemplar carries a deliberate matching idiom — reach a symbol via
a DIFFERENT symbol plus a literal offset, so gcc cannot CSE the two %hi/%lo pairs:
    (*(S9*)&D_801DAA78) = *(S9*)(&D_801DA998 + 0x20);  /* same addr as &D_801DA9B8 */
family_remap substitutes the symbol NAMES correctly and leaves the literal 0x20 — but 0x20 is not a
constant of the algorithm, it is the DISTANCE BETWEEN TWO PER-OVERLAY SYMBOLS:
    exemplar 0x801DA998 + 0x20 = 0x801DA9B8  OK
    member   0x801A5778 + 0x20 = 0x801A5798  WRONG (real symbol 0x801A5790)
    member   0x801A5778 + 0x18 = 0x801A5790  correct
match_one MASKS HI16/LO16 so it is STRUCTURALLY BLIND to this — the §81 blindness in its DATA form.

TWO FIXES WERE EACH INDIVIDUALLY INSUFFICIENT: the byte fix alone re-failed as PLUMBING; the ladder
alone re-failed as DIFF. Together -> BANKED, R22 clean-fleet 140/140.

TWO LADDER CORRECTIONS (my own T0.2 error): bare harvest_verify is the LAST RUNG, not the ladder —
gate_stage runs canon_resident_calls -> cast_call_sites -> reconcile_tu -> ARITY -> sig_unify ->
harvest_verify, so T0.2's "8/8 PLUMBING" measured the UN-RECOVERED rate. And reconcile_decls.py is
RETIRED (R33, superseded by reconcile_tu): asking "what does the FLEET call this symbol?" is wrong by
construction in a loosely-typed engine (548 of its answers conflicted, rewriting 60 of 196 drafts) —
so Drew's suggested tool would have made it worse.

SCOPE, MEASURED (not over-generalised, §80): the idiom appears at only 5 sites corpus-wide — BUT one
gates a 123-member family (133 staged drafts all carry the un-recomputed +0x20 with different
per-overlay bases), so the mechanical fix is worth ~240 ins x 123 ~= 29,520 ins. It does NOT explain
the pool generally: func_80144090 / func_8012CC88 / func_8014D12C have ZERO derived-offset sites and
fail for a different, still-undiagnosed cause.

THE FIX IS MECHANICAL: correct_literal = mapped(aliased_sym) - mapped(base_sym). The remap already
holds both mappings, and the exemplar's own comment names the aliased symbol.

Also observed: the ARITY pre-pass left 40 TUs of caller-decl edits after a 0-bank run (same hygiene
bug as --normalize-self-decls, twice in one session) — reverted, both binaries byte-identical.
2026-07-26 13:47:06 -06:00

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# BFM FLEET matching progress (generated by tools/progress.py --fleet — authoritative)
# 140 binaries: main + resident + 138 location overlays. DETERMINISTIC,
# source-derived (committed src/*.c + config/dedup.us.yaml). Live byte gate: `make check-all`;
# cross-binary collapsible-byte leverage: docs/duplicates.cross.md.
# THREE progress metrics (all matter — see the labels):
FLEET fn-count byte-ident: 315468 / 353719 = 89.19% (REAL+LINKED+empties; FUNCTION-count, ×134-inflated — one crack counts per overlay)
FLEET instr-weighted : 10589305 / 13141652 = 80.6% (shipped .text across main + resident + 138 overlays; the decomp.dev-DISPLAY number)
FLEET distinct-code(uniq): 3846656 / 5634875 = 68.3% (64912/87459 unique fns; the DISTINCT-RE number)
MAIN game-code weighted : 436 / 60201 = 0.7% (INCLUDED in the fleet numbers above since 2026-07-22 — roadmap §1 metrics contract; LINKED-excluding Ghidra sig dated 2026-06-14; caveat is R34: no independent second oracle for a PS-X EXE, NOT drift)
(fleet EXCLUDING main, for continuity with pre-2026-07-22 readings: 10588869 / 13081451 = 80.9%)
FLEET REAL substantive : 313613 (of which dedup-shared 239530 via 1886 groups / 239604 instances)
FLEET LINKED PsyQ objs : 959
FLEET NON_MATCHING : 7 (0 in any default build — G4)
FLEET INCLUDE_ASM stubs : 38244
FLEET matchable : 353719
| binary | REAL | shared | LINKED | byte-ident | matchable | byte-ident % |
|---|---:|---:|---:|---:|---:|---:|
| main | 54 | 2 | 959 | 1055 | 2096 | 50.3% |
| resident | 129 | 0 | 0 | 131 | 145 | 90.3% |
| ov_SC01_000 | 2251 | 1742 | 0 | 2251 | 2403 | 93.7% |
| ov_SC01_001 | 2253 | 1743 | 0 | 2255 | 2466 | 91.4% |
| ov_SC01_004 | 2242 | 1734 | 0 | 2243 | 2414 | 92.9% |
| ov_SC01_005 | 2272 | 1757 | 0 | 2272 | 2503 | 90.8% |
| ov_SC01_006 | 2272 | 1757 | 0 | 2272 | 2503 | 90.8% |
| ov_SC01_008 | 2242 | 1734 | 0 | 2244 | 2426 | 92.5% |
| ov_SC01_009 | 2268 | 1735 | 0 | 2269 | 2507 | 90.5% |
| ov_SC01_074 | 2246 | 1735 | 0 | 2248 | 2425 | 92.7% |
| ov_SC01_077 | 2428 | 1702 | 0 | 2430 | 2585 | 94.0% |
| ov_SC01_080 | 2284 | 1738 | 0 | 2284 | 2512 | 90.9% |
| ov_SC01_084 | 2291 | 1738 | 0 | 2296 | 2579 | 89.0% |
| ov_SC02_000 | 2344 | 1773 | 0 | 2344 | 2683 | 87.4% |
| ov_SC02_003 | 2344 | 1773 | 0 | 2344 | 2683 | 87.4% |
| ov_SC02_004 | 2250 | 1738 | 0 | 2250 | 2401 | 93.7% |
| ov_SC02_005 | 2358 | 1734 | 0 | 2368 | 2927 | 80.9% |
| ov_SC02_011 | 2370 | 1741 | 0 | 2381 | 2893 | 82.3% |
| ov_SC02_015 | 2251 | 1740 | 0 | 2251 | 2414 | 93.2% |
| ov_SC02_016 | 2285 | 1740 | 0 | 2288 | 2545 | 89.9% |
| ov_SC02_017 | 2328 | 1740 | 0 | 2336 | 2732 | 85.5% |
| ov_SC02_021 | 2257 | 1740 | 0 | 2257 | 2437 | 92.6% |
| ov_SC02_026 | 2273 | 1738 | 0 | 2279 | 2572 | 88.6% |
| ov_SC02_027 | 2296 | 1738 | 0 | 2305 | 2692 | 85.6% |
| ov_SC02_028 | 2298 | 1738 | 0 | 2308 | 2701 | 85.4% |
| ov_SC02_031 | 2284 | 1739 | 0 | 2289 | 2562 | 89.3% |
| ov_SC02_035 | 2259 | 1738 | 0 | 2262 | 2520 | 89.8% |
| ov_SC02_039 | 2243 | 1738 | 0 | 2243 | 2416 | 92.8% |
| ov_SC02_041 | 2281 | 1738 | 0 | 2284 | 2561 | 89.2% |
| ov_SC03_001 | 2379 | 1739 | 0 | 2396 | 2869 | 83.5% |
| ov_SC03_002 | 2305 | 1743 | 0 | 2320 | 2631 | 88.2% |
| ov_SC03_003 | 2253 | 1738 | 0 | 2254 | 2423 | 93.0% |
| ov_SC03_006 | 2319 | 1744 | 0 | 2328 | 2767 | 84.1% |
| ov_SC03_007 | 2298 | 1738 | 0 | 2302 | 2623 | 87.8% |
| ov_SC03_010 | 2261 | 1738 | 0 | 2261 | 2471 | 91.5% |
| ov_SC03_011 | 2267 | 1738 | 0 | 2273 | 2527 | 89.9% |
| ov_SC03_012 | 2245 | 1738 | 0 | 2246 | 2406 | 93.3% |
| ov_SC03_013 | 2266 | 1738 | 0 | 2266 | 2493 | 90.9% |
| ov_SC03_014 | 2324 | 1763 | 0 | 2324 | 2685 | 86.6% |
| ov_SC03_015 | 2324 | 1763 | 0 | 2324 | 2685 | 86.6% |
| ov_SC03_023 | 2252 | 1738 | 0 | 2253 | 2435 | 92.5% |
| ov_SC03_024 | 2312 | 1743 | 0 | 2319 | 2641 | 87.8% |
| ov_SC03_028 | 2292 | 1738 | 0 | 2296 | 2664 | 86.2% |
| ov_SC03_029 | 2293 | 1740 | 0 | 2303 | 2644 | 87.1% |
| ov_SC03_030 | 2266 | 1743 | 0 | 2268 | 2495 | 90.9% |
| ov_SC03_031 | 2263 | 1738 | 0 | 2266 | 2514 | 90.1% |
| ov_SC03_089 | 2280 | 1738 | 0 | 2287 | 2581 | 88.6% |
| ov_SC03_090 | 2281 | 1738 | 0 | 2289 | 2625 | 87.2% |
| ov_SC03_091 | 2284 | 1738 | 0 | 2292 | 2640 | 86.8% |
| ov_SC03_092 | 2294 | 1738 | 0 | 2306 | 2587 | 89.1% |
| ov_SC03_093 | 2270 | 1738 | 0 | 2274 | 2563 | 88.7% |
| ov_SC03_094 | 2265 | 1738 | 0 | 2271 | 2577 | 88.1% |
| ov_SC03_095 | 2255 | 1738 | 0 | 2258 | 2474 | 91.3% |
| ov_SC03_096 | 2255 | 1738 | 0 | 2258 | 2465 | 91.6% |
| ov_SC03_097 | 2285 | 1738 | 0 | 2292 | 2603 | 88.1% |
| ov_SC03_098 | 2263 | 1738 | 0 | 2266 | 2541 | 89.2% |
| ov_SC03_099 | 2256 | 1738 | 0 | 2259 | 2504 | 90.2% |
| ov_SC03_100 | 2266 | 1738 | 0 | 2270 | 2539 | 89.4% |
| ov_SC03_101 | 2266 | 1738 | 0 | 2270 | 2528 | 89.8% |
| ov_SC03_102 | 2259 | 1738 | 0 | 2262 | 2492 | 90.8% |
| ov_SC03_103 | 2261 | 1740 | 0 | 2264 | 2510 | 90.2% |
| ov_SC03_104 | 2288 | 1738 | 0 | 2295 | 2616 | 87.7% |
| ov_SC03_105 | 2280 | 1738 | 0 | 2287 | 2597 | 88.1% |
| ov_SC03_108 | 2247 | 1738 | 0 | 2247 | 2443 | 92.0% |
| ov_SC03_109 | 2250 | 1738 | 0 | 2252 | 2424 | 92.9% |
| ov_SC03_110 | 2254 | 1738 | 0 | 2254 | 2468 | 91.3% |
| ov_SC03_111 | 2265 | 1738 | 0 | 2268 | 2510 | 90.4% |
| ov_SC03_112 | 2259 | 1740 | 0 | 2261 | 2526 | 89.5% |
| ov_SC03_113 | 2252 | 1740 | 0 | 2255 | 2468 | 91.4% |
| ov_SC03_114 | 2242 | 1738 | 0 | 2244 | 2415 | 92.9% |
| ov_SC03_115 | 2259 | 1738 | 0 | 2261 | 2472 | 91.5% |
| ov_SC03_116 | 2250 | 1738 | 0 | 2253 | 2438 | 92.4% |
| ov_SC03_117 | 2277 | 1738 | 0 | 2283 | 2557 | 89.3% |
| ov_SC03_118 | 2323 | 1762 | 0 | 2324 | 2685 | 86.6% |
| ov_SC03_119 | 2322 | 1762 | 0 | 2323 | 2685 | 86.5% |
| ov_SC03_121 | 2257 | 1738 | 0 | 2260 | 2459 | 91.9% |
| ov_SC03_124 | 2336 | 1734 | 0 | 2356 | 2741 | 86.0% |
| ov_SC03_125 | 2292 | 1738 | 0 | 2304 | 2588 | 89.0% |
| ov_SC03_126 | 2254 | 1740 | 0 | 2254 | 2423 | 93.0% |
| ov_SC04_000 | 2270 | 1742 | 0 | 2279 | 2546 | 89.5% |
| ov_SC04_002 | 2289 | 1738 | 0 | 2293 | 2636 | 87.0% |
| ov_SC04_003 | 2265 | 1738 | 0 | 2269 | 2502 | 90.7% |
| ov_SC04_004 | 2274 | 1738 | 0 | 2276 | 2558 | 89.0% |
| ov_SC04_005 | 2284 | 1738 | 0 | 2290 | 2612 | 87.7% |
| ov_SC04_006 | 2254 | 1738 | 0 | 2256 | 2454 | 91.9% |
| ov_SC04_007 | 2278 | 1738 | 0 | 2282 | 2569 | 88.8% |
| ov_SC04_008 | 2246 | 1738 | 0 | 2246 | 2415 | 93.0% |
| ov_SC04_009 | 2261 | 1738 | 0 | 2264 | 2441 | 92.7% |
| ov_SC04_010 | 2251 | 1738 | 0 | 2252 | 2419 | 93.1% |
| ov_SC04_011 | 2309 | 1738 | 0 | 2315 | 2803 | 82.6% |
| ov_SC04_012 | 2248 | 1738 | 0 | 2249 | 2420 | 92.9% |
| ov_SC04_015 | 2314 | 1739 | 0 | 2325 | 2611 | 89.0% |
| ov_SC04_016 | 2251 | 1738 | 0 | 2253 | 2440 | 92.3% |
| ov_SC04_018 | 2362 | 1773 | 0 | 2362 | 2857 | 82.7% |
| ov_SC04_019 | 2368 | 1773 | 0 | 2368 | 2857 | 82.9% |
| ov_SC04_020 | 2279 | 1738 | 0 | 2291 | 2567 | 89.2% |
| ov_SC04_021 | 2255 | 1740 | 0 | 2255 | 2423 | 93.1% |
| ov_SC05_000 | 2252 | 1742 | 0 | 2255 | 2422 | 93.1% |
| ov_SC05_001 | 2274 | 1738 | 0 | 2279 | 2574 | 88.5% |
| ov_SC05_002 | 2257 | 1738 | 0 | 2260 | 2442 | 92.5% |
| ov_SC05_003 | 2254 | 1738 | 0 | 2255 | 2481 | 90.9% |
| ov_SC05_004 | 2250 | 1738 | 0 | 2252 | 2464 | 91.4% |
| ov_SC05_005 | 2255 | 1738 | 0 | 2256 | 2491 | 90.6% |
| ov_SC05_006 | 2248 | 1738 | 0 | 2248 | 2430 | 92.5% |
| ov_SC05_007 | 2258 | 1738 | 0 | 2263 | 2482 | 91.2% |
| ov_SC05_008 | 2275 | 1738 | 0 | 2277 | 2543 | 89.5% |
| ov_SC05_009 | 2254 | 1738 | 0 | 2258 | 2438 | 92.6% |
| ov_SC05_010 | 2281 | 1738 | 0 | 2285 | 2588 | 88.3% |
| ov_SC05_011 | 2250 | 1738 | 0 | 2251 | 2409 | 93.4% |
| ov_SC05_017 | 2358 | 1735 | 0 | 2369 | 2842 | 83.4% |
| ov_SC05_018 | 2305 | 1738 | 0 | 2318 | 2673 | 86.7% |
| ov_SC05_019 | 2255 | 1740 | 0 | 2255 | 2423 | 93.1% |
| ov_SC06_000 | 2319 | 1747 | 0 | 2322 | 2691 | 86.3% |
| ov_SC06_006 | 2271 | 1738 | 0 | 2272 | 2511 | 90.5% |
| ov_SC06_008 | 2290 | 1740 | 0 | 2296 | 2542 | 90.3% |
| ov_SC06_010 | 2271 | 1738 | 0 | 2276 | 2517 | 90.4% |
| ov_SC06_011 | 2260 | 1738 | 0 | 2264 | 2468 | 91.7% |
| ov_SC06_013 | 2253 | 1738 | 0 | 2254 | 2425 | 92.9% |
| ov_SC06_014 | 2259 | 1738 | 0 | 2261 | 2453 | 92.2% |
| ov_SC06_015 | 2256 | 1738 | 0 | 2256 | 2421 | 93.2% |
| ov_SC06_016 | 2274 | 1738 | 0 | 2276 | 2549 | 89.3% |
| ov_SC06_018 | 2286 | 1740 | 0 | 2293 | 2665 | 86.0% |
| ov_SC06_020 | 2263 | 1740 | 0 | 2264 | 2518 | 89.9% |
| ov_SC06_022 | 2282 | 1738 | 0 | 2290 | 2642 | 86.7% |
| ov_SC06_024 | 2292 | 1738 | 0 | 2298 | 2667 | 86.2% |
| ov_SC06_025 | 2276 | 1738 | 0 | 2281 | 2572 | 88.7% |
| ov_SC06_027 | 2241 | 1738 | 0 | 2242 | 2408 | 93.1% |
| ov_SC06_029 | 2302 | 1738 | 0 | 2314 | 2662 | 86.9% |
| ov_SC06_030 | 2255 | 1738 | 0 | 2255 | 2456 | 91.8% |
| ov_SC06_032 | 2277 | 1739 | 0 | 2284 | 2658 | 85.9% |
| ov_SC06_033 | 2279 | 1739 | 0 | 2286 | 2631 | 86.9% |
| ov_SC07_000 | 2271 | 1742 | 0 | 2273 | 2521 | 90.2% |
| ov_SC07_001 | 2254 | 1738 | 0 | 2256 | 2454 | 91.9% |
| ov_SC07_002 | 2282 | 1738 | 0 | 2286 | 2579 | 88.6% |
| ov_SC07_006 | 2051 | 1555 | 0 | 2131 | 2455 | 86.8% |
| ov_SC07_007 | 2043 | 1586 | 0 | 2127 | 2613 | 81.4% |
| ov_SC07_008 | 2239 | 1738 | 0 | 2239 | 2386 | 93.8% |
| ov_SC07_009 | 2248 | 1738 | 0 | 2250 | 2430 | 92.6% |
| ov_SC07_010 | 2074 | 1608 | 0 | 2157 | 2524 | 85.5% |
| ov_SC07_011 | 2042 | 1585 | 0 | 2122 | 2449 | 86.6% |
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