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Decode infrastructure chooser asset families

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This commit is contained in:
Jan Petykiewicz 2026-04-18 15:09:08 -07:00
commit 3ae6431f74
3 changed files with 78 additions and 27 deletions
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49
crates/rrt-runtime/src/smp.rs
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@ -4261,7 +4261,8 @@ fn build_infrastructure_asset_trace_report(
.count();
let atlas_candidate_consumers = vec![
"0x00493be0 infrastructure tagged side-buffer collection load owner".to_string(),
"0x004a2c80 infrastructure composition chooser owner".to_string(),
"0x004a2c80 infrastructure composition chooser owner (DT family)".to_string(),
"0x004a34e0 infrastructure composition chooser sibling (ST family)".to_string(),
"0x0048a1e0 infrastructure child attach helper".to_string(),
"0x0048dcf0 infrastructure tagged child-stream restore outer owner".to_string(),
"0x0048dd50 infrastructure child rebuild loop".to_string(),
@ -4283,7 +4284,7 @@ fn build_infrastructure_asset_trace_report(
];
let known_bridge_helpers = vec![
"0x00493be0 tagged 0x38a5/0x38a6/0x38a7 collection load owner".to_string(),
"0x004a2c80 upstream infrastructure composition chooser with lookup tables 0x621a44..0x621a9c".to_string(),
"0x004a2c80/0x004a34e0 paired upstream infrastructure composition choosers with decoded DT/ST table families plus BallastCap/Overpass literals".to_string(),
"0x00455a50 raw vtable slot +0x40 dispatch wrapper with global bridge reset".to_string(),
"0x00518140 indexed_collection_resolve_live_entry_payload_pointer_by_live_id".to_string(),
"0x005181f0 indexed_collection_unlink_non_direct_live_entry".to_string(),
@ -4299,8 +4300,8 @@ fn build_infrastructure_asset_trace_report(
"0x0048e140 / 0x0048e160 / 0x0048e180 route-entry resolver helpers".to_string(),
];
let next_owner_questions = vec![
"Inside the grounded upstream chooser 0x004a2c80..0x004a37de, which lookup-table families at 0x621a44..0x621a9c emit the grounded pure bridge-section class 0x0002/0xff before it reaches the two-child clone-path above 0x0048a1e0 and 0x0048dcf0?".to_string(),
"Which upstream owner or boundary emits the pure BallastCap class 0x0055/0x00 if it is only a BallastCap-specific boundary artifact rather than a real outer prelude consumed by 0x0048dcf0?".to_string(),
"Inside the grounded upstream chooser siblings 0x004a2c80 (DT) and 0x004a34e0 (ST), which selector-byte combinations at [this+0x219]/[this+0x251] choose the decoded Bridge/Tunnel family tables before the grounded pure bridge-section class 0x0002/0xff reaches the two-child clone-path above 0x0048a1e0 and 0x0048dcf0, now that [this+0x252] is grounded as the suspension-cap radius/handedness selector in the special [this+0x219]==2 path?".to_string(),
"Inside those same chooser siblings, when do the fixed BallastCap and Overpass literals (0x5cb138/0x5cb150 and 0x5cb168/0x5cb180) fire, and does the pure BallastCap class 0x0055/0x00 stay a boundary artifact or become a real outer prelude consumed by 0x0048dcf0?".to_string(),
"Which 0x38a5 embedded name-pair groups survive into the per-child vtable +0x40 payload callbacks dispatched through 0x00455a50?".to_string(),
"Is cached primary-child slot [this+0x248] the first owner-visible bridge from the restored child stream into route-entry rebuild once the bridge two-child class is isolated?".to_string(),
];
@ -4332,7 +4333,9 @@ fn build_infrastructure_asset_trace_report(
"atlas already bounds these helpers under the literal Infrastructure owner".to_string(),
"the side-buffer corpus is disjoint from the placed-structure triplet corpus, so a separate child/rebuild family is more plausible than a compact alias".to_string(),
"direct disassembly now shows 0x00493be0 opening tag family 0x38a5/0x38a6/0x38a7, reading one shared dword into the owner-local 0x90/0x94 lane, iterating each live collection entry, and dispatching every loaded infrastructure record through 0x0048dcf0 before the later follow-on owners run".to_string(),
"direct disassembly now also grounds a dense upstream chooser strip at 0x004a2c80..0x004a37de: it repeatedly calls 0x0048a1e0, branches on child type codes at [this+0x226], selector bytes at [this+0x219]/[this+0x251], bit 0x20 in [this+0x24c], and lookup tables 0x621a44..0x621a9c before routing follow-on through 0x0048a340/0x0048f4c0/0x00490200/0x00490960".to_string(),
"direct disassembly now also grounds paired upstream chooser siblings: 0x004a2c80 routes the DT family and 0x004a34e0 routes the ST family, with both repeatedly calling 0x0048a1e0 and branching on child type codes at [this+0x226], selector bytes at [this+0x219]/[this+0x251]/[this+0x252], bit 0x20 in [this+0x24c], and follow-on owners 0x0048a340/0x0048f4c0/0x00490200/0x00490960".to_string(),
"the chooser tables now decode to concrete asset families too: 0x621a44/0x621a54 feed BridgeST caps/sections, 0x621a64 feeds TunnelST cap/section variants, 0x621a74/0x621a84 feed BridgeDT caps/sections, and 0x621a94 feeds TunnelDT variants; fixed literals 0x5cb138/0x5cb150 are BallastCapDT/ST and 0x5cb168/0x5cb180 are OverpassDT/ST".to_string(),
"the [this+0x252] selector is partially grounded now too: when [this+0x219]==2, the chooser jump tables dispatch fixed BridgeDT/BridgeST suspension-cap literals for R10, L10, 12, 14, 16, and 18 variants instead of using the general Bridge* table families".to_string(),
side_buffer
.and_then(|probe| probe.first_record_child_count_after_owner_shared)
.map(|child_count| {
@ -4659,7 +4662,7 @@ fn build_infrastructure_asset_trace_report(
"the smaller attach primitive 0x00490a3c no longer looks like the semantic fork by itself: it just allocates one literal Infrastructure child, seeds it through 0x455b70 with caller-provided stem input, attaches it through 0x5395d0, seeds position lanes through 0x539530/0x53a5b0, and optionally caches it as primary child".to_string(),
],
blockers: vec![
"how the upstream chooser tables at 0x621a44..0x621a9c map onto the grounded 0x38a5 compact-prefix and name-pair classes, especially the bridge-only 0x0002/0xff class and the BallastCap-only 0x0055/0x00 class".to_string(),
"which selector-byte combinations at [this+0x219]/[this+0x251] drive the now-decoded DT/ST chooser siblings (BridgeST, BridgeDT, TunnelST, TunnelDT, BallastCap, Overpass) onto the grounded 0x38a5 compact-prefix and name-pair classes, especially the bridge-only 0x0002/0xff class and the BallastCap-only 0x0055/0x00 class, now that [this+0x252] is partly grounded as the suspension-cap radius/handedness selector".to_string(),
"how the payload streams reached through 0x00518380 -> 0x00518140 align with the embedded 0x55f1 name-pair groups and compact-prefix regimes surfaced by the save-side probe".to_string(),
"how the observed 0x55f3-to-next-0x55f1 gaps partition between the two 0x52ebd0 flag bytes and the next-record prelude now that the first 0x38a6 record head is grounded as child_count=1, saved_primary_child_byte=0xff, first 0x55f1 at +0x3".to_string(),
"which restored child fields or grouped rows retain the 0x38a5 embedded name-pair semantics before route/local-runtime follow-ons take over".to_string(),
@ -4774,7 +4777,7 @@ fn build_infrastructure_asset_trace_report(
),
];
let notes = vec![
"Infrastructure asset trace now makes the side-buffer-versus-triplet split explicit: owner seam identity is grounded, the pure bridge-only 0x0002/0xff candidate class is grounded save-side, and the upstream chooser above the child attach path is now grounded as 0x004a2c80..0x004a37de; the remaining unknown is the table-to-class mapping inside that chooser.".to_string(),
"Infrastructure asset trace now makes the side-buffer-versus-triplet split explicit: owner seam identity is grounded, the pure bridge-only 0x0002/0xff candidate class is grounded save-side, and the upstream chooser above the child attach path is now grounded as paired DT/ST siblings at 0x004a2c80 and 0x004a34e0 with decoded Bridge/Tunnel/BallastCap/Overpass families; the remaining unknown is the selector-byte-to-class mapping inside those chooser siblings.".to_string(),
];
SmpInfrastructureAssetTraceReport {
profile_family: analysis.profile_family.clone(),
@ -24368,8 +24371,9 @@ mod tests {
assert!(trace
.known_bridge_helpers
.iter()
.any(|line| line.contains("0x004a2c80")
&& line.contains("0x621a44..0x621a9c")));
.any(|line| line.contains("0x004a2c80/0x004a34e0")
&& line.contains("paired upstream infrastructure composition choosers")
&& line.contains("BallastCap/Overpass")));
assert_eq!(trace.candidate_consumer_hypotheses.len(), 3);
assert_eq!(
trace.candidate_consumer_hypotheses[0].status,
@ -24379,15 +24383,33 @@ mod tests {
trace.candidate_consumer_hypotheses[0]
.evidence
.iter()
.any(|line| line.contains("0x004a2c80..0x004a37de")
&& line.contains("0x621a44..0x621a9c")
.any(|line| line.contains("0x004a2c80 routes the DT family")
&& line.contains("0x004a34e0 routes the ST family")
&& line.contains("0x0048a340/0x0048f4c0/0x00490200/0x00490960"))
);
assert!(
trace.candidate_consumer_hypotheses[0]
.evidence
.iter()
.any(|line| line.contains("0x621a44/0x621a54 feed BridgeST")
&& line.contains("0x621a94 feeds TunnelDT variants")
&& line.contains("BallastCapDT/ST")
&& line.contains("OverpassDT/ST"))
);
assert!(
trace.candidate_consumer_hypotheses[0]
.evidence
.iter()
.any(|line| line.contains("[this+0x252]")
&& line.contains("R10, L10, 12, 14, 16, and 18")
&& line.contains("BridgeDT/BridgeST suspension-cap literals"))
);
assert!(
trace.candidate_consumer_hypotheses[0]
.blockers
.iter()
.any(|line| line.contains("0x621a44..0x621a9c")
.any(|line| line.contains("[this+0x219]/[this+0x251]")
&& line.contains("[this+0x252]")
&& line.contains("0x0002/0xff")
&& line.contains("0x0055/0x00"))
);
@ -24424,7 +24446,8 @@ mod tests {
);
assert!(trace.notes.iter().any(|line| {
line.contains("0x0002/0xff candidate class is grounded save-side")
&& line.contains("0x004a2c80..0x004a37de")
&& line.contains("paired DT/ST siblings at 0x004a2c80 and 0x004a34e0")
&& line.contains("BallastCap/Overpass")
}));
assert!(
trace.candidate_consumer_hypotheses[0]