423 lines
12 KiB
JavaScript
423 lines
12 KiB
JavaScript
import {
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parseGhidraFunctionInput,
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parseGhidraFunctionResult,
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} from "../dist/ghidra/GhidraFunctionValues.js";
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import {
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assertDossier,
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assertLocalProcedureInfo,
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assertProviderText,
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assertReferenceMetadata,
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dossierSummary,
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matchesSymbol,
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requireProcedure,
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} from "./verify-real-ghidra-assertions.mjs";
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async function functionCall(client, operation, parameters) {
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const input = parseGhidraFunctionInput(operation, parameters);
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if (!input.ok) throw input.error;
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const called = await client.callTool(operation, input.value);
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if (!called.ok)
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throw new Error(
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`Ghidra ${operation} failed for ${JSON.stringify(input.value)}: ${called.error.message}`,
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{ cause: called.error },
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);
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const parsed = parseGhidraFunctionResult(operation, called.value);
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if (!parsed.ok) throw parsed.error;
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return parsed.value;
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}
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export async function verifyDebugFunctionOperations(
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client,
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{ procedures, strings, entry },
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) {
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const leaf = requireProcedure(procedures, "rea_ghidra_inventory_leaf");
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const branch = requireProcedure(procedures, "rea_ghidra_inventory_branch");
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const indirect = requireProcedure(
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procedures,
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"rea_ghidra_inventory_indirect",
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);
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const main = requireProcedure(procedures, "main");
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const entryString = strings.find(
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(item) => item.value === "REA_GHIDRA_INVENTORY_ENTRY",
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);
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if (entryString === undefined)
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throw new Error("Ghidra debug string function probe is unavailable");
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const [info, assembly, pseudocode, callees, callers, outgoing, entryXrefs] =
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await collectEntryFunctionData(client, entry);
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assertLocalProcedureInfo(info, entry.address);
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assertProviderText(assembly, pseudocode, entry.address);
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assertEntryCallGraph({ branch, indirect, main, callees, callers });
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const { xrefOwners, xrefOwnerFailures } = await resolveXrefOwners(
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client,
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entryXrefs,
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);
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assertEntryXrefAttribution({
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entryXrefs,
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callers,
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xrefOwners,
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xrefOwnerFailures,
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main,
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});
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assertReferenceMetadata(outgoing);
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await assertStringXrefs(client, entryString.address);
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const entryDossier = await analyzeEntryDossier(
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client,
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entry,
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branch,
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indirect,
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);
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const branchDossier = await analyzeBranchDossier(client, branch);
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const indirectDossier = await analyzeIndirectDossier(client, indirect);
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assertIndirectDossier(indirectDossier, leaf.address);
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const { cancellation, timeout } = await verifyRequestCancellationAndTimeout(
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client,
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entry,
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);
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const concurrent = await verifyConcurrentRequests(client, entry, leaf);
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return {
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entry: dossierSummary(entryDossier),
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branch: dossierSummary(branchDossier),
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indirect: dossierSummary(indirectDossier),
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cancellation,
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timeout,
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concurrency: concurrent,
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};
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}
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async function collectEntryFunctionData(client, entry) {
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return Promise.all([
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functionCall(client, "procedure_info", {
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document: null,
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procedure: entry.value,
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}),
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functionCall(client, "procedure_assembly", {
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document: null,
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procedure: entry.value,
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}),
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functionCall(client, "procedure_pseudo_code", {
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document: null,
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procedure: entry.value,
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}),
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functionCall(client, "procedure_callees", {
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document: null,
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procedure: entry.value,
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}),
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functionCall(client, "procedure_callers", {
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document: null,
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procedure: entry.value,
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}),
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functionCall(client, "procedure_references", {
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document: null,
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procedure: entry.value,
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direction: "outgoing",
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}),
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functionCall(client, "xrefs", {
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document: null,
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address: entry.address,
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}),
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]);
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}
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function assertEntryCallGraph({ branch, indirect, main, callees, callers }) {
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for (const expected of [branch.address, indirect.address])
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if (!callees.includes(expected))
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throw new Error(`Ghidra call graph missed ${expected}`);
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if (!callers.includes(main.address))
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throw new Error("Ghidra caller or xref relation missed main");
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}
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async function resolveXrefOwners(client, entryXrefs) {
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const xrefOwners = [];
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const xrefOwnerFailures = [];
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for (const address of entryXrefs) {
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try {
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xrefOwners.push(
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await functionCall(client, "resolve_containing_procedure", {
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document: null,
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address,
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}),
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);
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} catch (cause) {
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xrefOwnerFailures.push({
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address,
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message: cause instanceof Error ? cause.message : String(cause),
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});
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}
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}
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return { xrefOwners, xrefOwnerFailures };
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}
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function assertEntryXrefAttribution({
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entryXrefs,
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callers,
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xrefOwners,
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xrefOwnerFailures,
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main,
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}) {
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if (
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!xrefOwners.some(
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(owner) => owner.found && owner.procedure.address === main.address,
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)
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)
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throw new Error(
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`Ghidra entry xrefs were not attributable to main: ${JSON.stringify({ entryXrefs, callers, xrefOwners, xrefOwnerFailures })}`,
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);
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}
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async function assertStringXrefs(client, entryStringAddress) {
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const stringXrefs = await functionCall(client, "xrefs", {
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document: null,
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address: entryStringAddress,
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});
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if (stringXrefs.length === 0)
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throw new Error("Ghidra xrefs missed the entry string");
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}
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async function analyzeEntryDossier(client, entry, branch, indirect) {
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const entryDossier = await functionCall(client, "analyze_function", {
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procedure: entry.address,
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include_assembly: true,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(entryDossier, {
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address: entry.address,
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expectedCallees: [branch.address, indirect.address],
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expectedString: "REA_GHIDRA_INVENTORY_ENTRY",
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requireAssembly: true,
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});
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return entryDossier;
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}
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async function analyzeBranchDossier(client, branch) {
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const branchDossier = await functionCall(client, "analyze_function", {
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procedure: branch.address,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(branchDossier, {
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address: branch.address,
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requireMultiBlock: true,
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});
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return branchDossier;
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}
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async function analyzeIndirectDossier(client, indirect) {
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const indirectDossier = await functionCall(client, "analyze_function", {
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procedure: indirect.address,
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include_assembly: true,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(indirectDossier, {
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address: indirect.address,
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requireAssembly: true,
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});
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return indirectDossier;
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}
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function assertIndirectDossier(indirectDossier, leafAddress) {
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if (
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indirectDossier.callees.items.some(({ address }) => address === leafAddress)
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)
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throw new Error(
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"Ghidra dossier falsely resolved a targetless callback as the fixture leaf",
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);
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if (!/\bcall\b/iu.test(indirectDossier.assembly.items.join("\n")))
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throw new Error("Ghidra indirect-call fixture lost its computed call site");
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}
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async function verifyRequestCancellationAndTimeout(client, entry) {
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const aborted = new AbortController();
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aborted.abort();
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const cancelled = await client.callTool(
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"procedure_info",
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{ document: null, procedure: entry.address },
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{ signal: aborted.signal },
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);
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if (cancelled.ok || cancelled.error.kind !== "cancelled")
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throw new Error("Ghidra established-request cancellation drifted");
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const timedOut = await client.callTool(
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"procedure_info",
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{ document: null, procedure: entry.address },
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{ timeoutMs: 0 },
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);
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if (timedOut.ok || timedOut.error.kind !== "timeout")
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throw new Error("Ghidra established-request deadline drifted");
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return {
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cancellation: "cancelled-before-wire",
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timeout: "expired-before-wire",
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};
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}
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async function verifyConcurrentRequests(client, entry, leaf) {
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const concurrent = await Promise.all([
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functionCall(client, "procedure_info", {
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document: null,
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procedure: entry.address,
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}),
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functionCall(client, "xrefs", {
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document: null,
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address: leaf.address,
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}),
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]);
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if (concurrent.length !== 2)
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throw new Error("Ghidra serial request queue lost a concurrent result");
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return "serialized-two-results";
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}
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export async function verifyStrippedFunctionOperations(client, entryString) {
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const stringXrefs = await functionCall(client, "xrefs", {
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document: null,
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address: entryString.address,
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});
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if (stringXrefs.length === 0)
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throw new Error("Ghidra stripped string xref probe is unavailable");
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const containing = await functionCall(
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client,
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"resolve_containing_procedure",
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{
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document: null,
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address: stringXrefs[0],
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},
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);
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if (!containing.found)
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throw new Error("Ghidra could not recover a stripped containing function");
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const procedure = containing.procedure;
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const pseudocode = await functionCall(client, "procedure_pseudo_code", {
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document: null,
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procedure: procedure.address,
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});
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if (typeof pseudocode !== "string" || pseudocode.trim().length === 0)
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throw new Error("Ghidra did not decompile the stripped function");
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const dossier = await functionCall(client, "analyze_function", {
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procedure: procedure.address,
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include_assembly: true,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(dossier, {
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address: procedure.address,
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expectedString: "REA_GHIDRA_INVENTORY_ENTRY",
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requireAssembly: true,
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});
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if (symbolTail(dossier.procedure.name) === "rea_ghidra_inventory_entry")
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throw new Error("Ghidra stripped dossier invented a source symbol");
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return dossierSummary(dossier);
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}
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export async function verifyCrossFormatOperations({
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client,
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variant,
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procedures,
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names,
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strings,
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}) {
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const message = strings.find(
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(item) => item.value === "REA_GHIDRA_CROSS_FORMAT",
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);
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if (message === undefined)
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throw new Error(`${variant} string inventory missed the source oracle`);
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const entry =
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procedures.find((item) => matchesSymbol(item.value, "rea_cross_entry")) ??
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names.find((item) => matchesSymbol(item.value, "rea_cross_entry"));
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if (entry === undefined)
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throw new Error(`${variant} did not retain the exported entry symbol`);
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const entryAddress = entry.address;
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const info = await functionCall(client, "procedure_info", {
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document: null,
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procedure: entryAddress,
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});
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assertLocalProcedureInfo(info, entryAddress);
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const [pseudocode, assembly, callees, messageXrefs] = await Promise.all([
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functionCall(client, "procedure_pseudo_code", {
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document: null,
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procedure: entryAddress,
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}),
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functionCall(client, "procedure_assembly", {
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document: null,
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procedure: entryAddress,
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}),
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functionCall(client, "procedure_callees", {
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document: null,
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procedure: entryAddress,
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}),
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functionCall(client, "xrefs", {
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document: null,
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address: message.address,
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}),
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]);
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assertProviderText(assembly, pseudocode, entryAddress);
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if (callees.length < 2)
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throw new Error(`${variant} call graph missed direct fixture calls`);
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if (messageXrefs.length === 0)
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throw new Error(`${variant} xrefs missed the fixture string`);
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const messageOwner = await findCrossStringOwner(client, messageXrefs);
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const stringDossier = await functionCall(client, "analyze_function", {
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procedure: messageOwner.procedure.address,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(stringDossier, {
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address: messageOwner.procedure.address,
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expectedString: "REA_GHIDRA_CROSS_FORMAT",
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});
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const branchAddress = await findCrossBranchAddress(client, variant, callees);
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const branchDossier = await functionCall(client, "analyze_function", {
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procedure: branchAddress,
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limit: 500,
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max_pseudocode_chars: 100_000,
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max_instructions: 5_000,
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});
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assertDossier(branchDossier, {
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address: branchAddress,
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requireMultiBlock: true,
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});
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return {
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entry: entryAddress,
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exported_symbol: entry.value,
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string_owner: dossierSummary(stringDossier),
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branch: dossierSummary(branchDossier),
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};
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}
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async function findCrossStringOwner(client, messageXrefs) {
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for (const address of messageXrefs) {
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const candidate = await functionCall(
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client,
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"resolve_containing_procedure",
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{
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document: null,
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address,
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},
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);
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if (candidate.found) return candidate;
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}
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throw new Error("Cross-format did not resolve the string-owning function");
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}
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async function findCrossBranchAddress(client, variant, callees) {
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for (const address of callees) {
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const candidate = await functionCall(client, "procedure_info", {
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document: null,
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procedure: address,
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});
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if (candidate.basicblock_count > 1) return address;
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}
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throw new Error(`${variant} did not recover the multi-block callee`);
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}
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