engine-re.md: the write-log method, plaintext-value insight (store is obfuscated),
vm_operand_write ABI, the packer poll-until-unpacked fix, and the validation
(34k-global capture seeds the VM to match the engine's whole opening). Plus the
resync-tolerant align() / operand-hook blind-spot notes. tools-reference: the new
tool + trace --state.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
engine-re.md: the offset-path diff method, the working capture (operand hook
0x41b940; tick 0x410fb0 sees ecx!=ctx), the two capture caveats (hook-before-load
gating + operand-mode argc>=1 filter), SC0000 codebase id, and the first
divergence found (op 0xa0 jcc @ 0x8d on uninitialized G[0x6c1], the ADV-chrome
enable — a two-boot-gap state hole, not the predicted coroutine yield).
tools-reference.md: trace_engine_ops.py, diff_optrace.py, --trace-json.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Control-flow offset-path diff: Frida engine op-tracer (recon-gated
tick/0x41b940 hook) + VM ITraceSink offsets + diff_optrace.py first-
divergence report. Deterministic opening (SC0000 --boot). Ready to
execute in a fresh context; prereq = game running at the opening.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Function ID recon = WEAK (0 matches; bundled FidDbs don't cover the VC9
static runtime) and our library workers are already named. Pivoted to
naming the hottest documented-but-unnamed helpers by call-count: named 5
(~2400 call sites) in Ghidra — vm_operand_fetch@0x41b940 (1021 refs),
vm_operand_write@0x425fb0, vm_operand_lvalue@0x415f30,
__security_check_cookie@0x54f981 (692), operator_new@0x5502be (533).
Validated: gfx_op_0x215 reads near source-level. Spec/plan + engine-re.md.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Created the EngineCtx Ghidra struct (35 fields, 0xa1000) and retyped all
419 dispatch handlers' this -> EngineCtx* (CUSTOM_STORAGE, ctx in ECX).
Handlers now decompile ctx->cur_ctx_index / ctx->run_state_flags etc.
Validated: sleep_op_0xc8, gfx_op_0x215. tools-reference + engine-re.md
wired; CLAUDE.md canonical-map updated (root, outside repo).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Canonical source vm-map/engine-ctx.toml (35 documented ctx fields) +
engine_ctx_build.py (--build/--lint, unit-tested) -> build/engine-ctx.json
+ docs/engine-ctx-reference.md. Applied to Ghidra in the next task.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Replaces the abandoned pe-sieve Task B: attach + scan the live process to
map resolved import pointers (RVA->dll!Func) and label /v2. Recon-first
hard gate; clean labels; read-only Frida.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
pe-sieve /imp on the running game gave ~17 genuine imports (packer
bootstrap + one-per-DLL seed) and 300+ spurious stray-DWORD guesses:
the exe ships a zeroed IAT resolved via GetProcAddress, so there is no
conventional IAT to rebuild. Do not graft the output. Task B re-scoped
to a Frida live import-map (runtime_addr->dll!Func, RVA->name, label the
/v2 image); design captured in engine-re.md runbook.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Extract op->real-handler map (handler(op)=ctx[0x26c93+op]) from the
registration routine's override stores; ghidra_handler_map.py +
build/op-handler-map.json (420 overrides). Cross-check vs opcodes.toml
found 0 real drift. One-shot Ghidra pass then labeled the /v2 image:
281 raw FUN_/LAB_ handlers -> op_0xNN_handler, 107 bare VAs -> functions,
31 hand-named preserved, opcode plate comment on every handler.
Includes the Task A spec + plan and the two-program (/v2 vs SMM) gotcha.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Head-start for the next slice: the fix for the slot-0 collapse is running label_125bd
via the scene-coroutine framework. 0x7b=yield-save, 0x7c=resume, 0x140=LABEL (target
TBD), G[0xaba5c] gate. Plus the revealed magic-circle-persists-across-transition issue.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Traced end-to-end (AGE_DIAG_SETTEX): set-texture slot=G[0x62452] <- query-gfx-object?
(-1 for unregistered CG handles) -> fallback lookup-array-2d(rec[s3]=G[0x3239])=0
because the slot table is never filled: label_125bd (SC0000 0x50f, slots 4..13) is
gated behind the scene-coroutine framework (0x140 coroutine-yield, stubbed). Adds
env-gated VM set-texture/query slot diagnostics + GfxState.IsRegistered.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
One-unit scope for the gfx animation cluster (0x1fd, 0x21c-0x243): channel
model + faithful gfx_object_anim_interpolate port on FrameClock (fixes 'mach 5')
+ spritesheet cell selection. Grounded in the recovered dispatch table
(handler(op)=ctx[0x26c93+op]; Kelebek labels are drift) + the reversed
interpolator. Bounded RE Task-0 with known handler addresses.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
