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feat: restructure StikJIT integration workflow

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This commit is contained in:
CelloSerenity 2026-08-15 09:50:05 -06:00
parent dce417d893
commit 640fac91de
14 changed files with 853 additions and 118 deletions
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22
Sources/ScriptRunner.swift
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@ -13,6 +13,7 @@ final class ScriptRunner {
private let script: StikJIT.Script
private let progress: (String) -> Void
private var context: JSContext?
private var executionError: StikJITError?
init(targetPID: Int32, debugProxy: OpaquePointer, script: StikJIT.Script, progress: @escaping (String) -> Void) {
self.targetPID = targetPID
@ -28,7 +29,8 @@ final class ScriptRunner {
self.context = context
context.exceptionHandler = { [weak self] _, value in
self?.progress("JS exception: \(value?.toString() ?? "<unknown>")")
let detail = value?.toString() ?? "unknown JavaScript exception"
self?.recordExecutionError(.scriptExecution(detail))
}
let getPID: @convention(block) () -> Int = { [targetPID] in Int(targetPID) }
@ -38,7 +40,7 @@ final class ScriptRunner {
}
let prepare: @convention(block) (Double, Double) -> String = { [weak self] address, length in
guard let self else { return "" }
return self.prepareMemoryRegion(UInt64(address), length: UInt64(length)) ?? "OK"
return self.prepareMemoryRegion(UInt64(address), length: UInt64(length)) ?? ""
}
let log: @convention(block) (JSValue?) -> Void = { [weak self] value in
self?.progress(value?.toString() ?? "")
@ -49,8 +51,9 @@ final class ScriptRunner {
context.setObject(prepare, forKeyedSubscript: "prepare_memory_region" as NSString)
context.setObject(log, forKeyedSubscript: "log" as NSString)
progress("Running \(script.resourceName).js against pid \(targetPID)…")
progress("Running \(script.name) against pid \(targetPID)…")
context.evaluateScript(source)
if let executionError { throw executionError }
progress("JIT script finished (region blessed, detached).")
}
@ -59,7 +62,7 @@ final class ScriptRunner {
defer { debugserver_command_free(handle) }
var response: UnsafeMutablePointer<CChar>?
if let error = debug_proxy_send_command(debugProxy, handle, &response) {
progress("send_command error: \(IdeviceFFI.consume(error, fallback: "send_command").localizedDescription)")
recordExecutionError(IdeviceFFI.consume(error, fallback: "send_command"))
return nil
}
guard let response else { return "" }
@ -83,7 +86,7 @@ final class ScriptRunner {
return debug_proxy_send_raw(debugProxy, base.advanced(by: byteOffset), UInt(byteCount))
}
if let sendError {
progress("page bless batch failed @0x\(String(address, radix: 16)): \(IdeviceFFI.consume(sendError, fallback: "debug_proxy_send_raw").localizedDescription)")
recordExecutionError(IdeviceFFI.consume(sendError, fallback: "debug_proxy_send_raw"))
return nil
}
@ -94,7 +97,7 @@ final class ScriptRunner {
idevice_string_free(response)
}
if let readError {
progress("page bless batch failed @0x\(String(address, radix: 16)): \(IdeviceFFI.consume(readError, fallback: "debug_proxy_read_response").localizedDescription)")
recordExecutionError(IdeviceFFI.consume(readError, fallback: "debug_proxy_read_response"))
return nil
}
}
@ -104,6 +107,13 @@ final class ScriptRunner {
return "OK"
}
private func recordExecutionError(_ error: StikJITError) {
if executionError == nil {
executionError = error
progress(error.localizedDescription)
}
}
private static func makeBlessCommands(startAddress: UInt64, pageCount: Int) -> [UInt8] {
var buffer = [UInt8](repeating: 0, count: pageCount * jitPageCommandLength)