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📋 Pull Request Information
Original PR: https://github.com/morluto/rea/pull/3029
Author: @matbrgz
Created: 10/13/2026
Status: 🔄 Open
Base:
main← Head:fix/ghidra-delphi-seh-regions📝 Commits (7)
c872381fix(ghidra): recover registered Borland SEH handler gaps46d7013fix(ghidra): verify handler recovery cleanup on updated upstream25736d7fix(ghidra): gate SEH continuations and preserve boundary evidence299f82dMerge remote-tracking branch 'upstream/main' into fix/ghidra-delphi-seh-regions495089dfix(ghidra): bound SEH recovery and preserve containment provenance4917e8dfix(ghidra): retain instruction-level SEH boundaries and observationsb361a3dfix(ghidra): discard speculative SEH units and retain source provenance📊 Changes
28 files changed (+1590 additions, -55 deletions)
View changed files
➕
bridge/ghidra/ReaGhidraBorlandSeh.java(+312 -0)📝
bridge/ghidra/ReaGhidraBridge.java(+77 -20)📝
docs/ghidra-provider.md(+26 -0)➕
docs/specs/ghidra/borland-seh/plan.md(+134 -0)➕
docs/specs/ghidra/borland-seh/spec.md(+46 -0)➕
docs/specs/ghidra/borland-seh/tasks.md(+46 -0)📝
package.json(+2 -0)➕
scripts/lib/borland-seh-fixture.mjs(+61 -0)➕
scripts/verify-real-ghidra-borland-seh.mjs(+379 -0)📝
src/domain/flutter/flutterBuildAnalysis.ts(+1 -1)📝
src/ghidra/GhidraAnalysisProfile.ts(+10 -1)📝
src/ghidra/GhidraBridgeSources.ts(+1 -0)📝
src/ghidra/GhidraClient.ts(+19 -5)📝
src/ghidra/GhidraFunctionValues.test.ts(+24 -0)📝
src/ghidra/GhidraFunctionValues.ts(+3 -0)📝
src/ghidra/GhidraInventoryValues.test.ts(+105 -8)📝
src/ghidra/GhidraInventoryValues.ts(+19 -0)📝
src/ghidra/GhidraProvider.behavior.test.ts(+30 -0)📝
src/ghidra/GhidraSnapshotCache.test.ts(+2 -2)📝
src/server/http/NodeHttpRequestOwner.ts(+2 -3)...and 8 more files
📄 Description
Summary
Refs #2926. Recover registered Delphi/Borland PE32 SEH handler gaps in Ghidra's ephemeral function body, making handler addresses, calls and strings visible through existing CLI/MCP function queries. Known unrecovered registrations remain explicit limitations with partial callee coverage.
Problem and expected behavior
An exception handler entered through the Win32 SEH chain can lie between two observed function ranges without ordinary control-flow references. Recovery is bounded to unowned gaps and requires a supplied/imported Borland RTL symbol before interpreting bytes after a non-fallthrough jump. An arbitrary executable jump target leaves an explicit omission, never an inferred catch body. Related omission-reporting work: #2981.
Change and scope
One Ghidra-owned Java producer recognizes exact decoded zero-offset FS registration patterns, recovers only unowned executable gaps, respects defined data/independent functions, traverses a continuation justified by a supplied/imported RTL identity, and refreshes references using the caller-enabled Ghidra analyzers. Existing queries consume the corrected FunctionManager body. Diagnostics enter main's shared function-boundary producer, including procedure references. SEH omissions augment its coverage without replacing unresolved/indirect-call diagnostics. Analysis profile invalidation is limited to PE32/x86.
Real validation exposed an ownership-token race during JVM exit. After a validated session acknowledges shutdown, close can wait for the retained original child and retry full owned-group verification once. Child exit alone never authorizes deletion; unresolved cleanup retains files and supervision. Startup failures and forced cancellation retain their existing behavior.
Contract and boundary impact
relationship_coverageon producer callee results, preserving Evidence limitations.Expected effects:
These are the owned Ghidra process, bridge scripts and ephemeral analysis database. The analyzed program is never executed; its bytes are never modified.
Evidence and regression coverage
Instruction inspection and call-target resolution now retain the same producer-owned SEH provenance as containment and function views. Reused path destinations must be decoded instruction starts, including already-owned handler entries. Recognized terminal flows remain static Ghidra classifications, with an explicit non-return caveat. The tar-listing fixture consumes the canonical packaged-source manifest rather than an obsolete duplicated source list.
Omitted or cancelled traversal clears only its newly decoded units and generated references, preserving pre-existing listing/references and earlier successful candidates. Procedure selectors and byte-match owners retain their SEH observations; callers, incoming procedure references, xrefs, instruction inspection and dossiers retain provenance from returned source addresses. Observations are deduplicated and unrelated queries do not inherit another function's SEH facts.
Representative output: a recognized handler jump without a supplied RTL identity retains the original function body, reports the omitted continuation in
procedure_referenceslimitations, and returnsprocedure_calleescoveragepartialalongside its existing indirect-call diagnostics.Validation performed
npm run check— passed.npm run verify:package— not completed on the current review revision. One attempt exceeded the packaged MCP startup probe's 5-second timeout; the next completed installation, then failed in the update fixture withERR_HTTP_HEADERS_SENTatscripts/verify-package-update.mjs:29while proxying registry responses. The preceding review revision passed full package verification; this is not a claim that the current full-package gate passed. Follow-up: #6038.ccc7da309. Both failing CI tests used stale observation-profile expectations; the snapshot test now explicitly rejects prior v5 semantics. Earlier revision: 122 passed, including the tar-listing regression.node scripts/verify-real-ghidra-borland-seh.mjsafter build — passed on Ghidra 12.1.4/JDK 21, darwin/arm64. Covers omitted/cancelled speculative-unit and generated-reference cleanup, preserved pre-existing listing/user references and earlier successful recovery; procedure-address selection, byte-match ownership, reverse callers/references/xrefs and incoming instruction/dossier provenance; unrelated-query controls; and the prior RTL, budget, ownership, containment and instruction-boundary cases. Target unchanged, runtime empty and process lineage positively verified empty.npm run docs:check— passed; the old #3022 drift is resolved in main.No controlled before/after speed benchmark, live model token usage, CPU measurement or process-family peak-memory comparison was performed for this recovery pass; no performance gain is claimed.
Compatibility, safety, and release
Normalized public result shapes remain unchanged. The internal bridge now requires observation envelopes for procedure_address, search_bytes and xrefs. POSIX PE32/x86 recovery profile v5 includes speculative-unit cleanup; shared function/address observation profile v6 invalidates older results for every format. Existing Windows P0 read-only policy remains authoritative. Recovery has one analysis-wide admission budget (16,384 visits, 64 KiB newly decoded instruction bytes, 4,096 pending addresses), restricts each disassembly request to at most 15 x86 bytes, and stops at unresolved flow, ownership and data boundaries; known omissions are retained. Specifications:
docs/specs/ghidra/borland-seh/.Author readiness
Human owner: @matbrgz
Before merge
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.