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update art instrumentation bindings #393

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update art instrumentation bindings #393

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31d40f5
Exported deoptimizeMethod for type script bindings
Electric1447 Apr 20, 2026
9f340dd
add art::Instrumentation::IsDeoptimized to api
Electric1447 Apr 20, 2026
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11 changes: 11 additions & 0 deletions index.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,17 @@ declare module "frida-java-bridge" {
*/
function deoptimizeBootImage(): void;

/**
* Deoptimizes a method / constructor in case hooked callee is not called
* because of inline.
*/
function deoptimizeMethod(method: Method): void;

/**
* Return whether a method is deoptimized.
*/
function isDeoptimized(method: Method): boolean;

const vm: VM;

/**
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7 changes: 6 additions & 1 deletion index.js
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Expand Up @@ -8,7 +8,8 @@ import {
backtrace,
deoptimizeEverything,
deoptimizeBootImage,
deoptimizeMethod
deoptimizeMethod,
isDeoptimized
} from './lib/android.js';
import ClassFactory from './lib/class-factory.js';
import ClassModel from './lib/class-model.js';
Expand Down Expand Up @@ -524,6 +525,10 @@ class Runtime {
return deoptimizeMethod(vm, vm.getEnv(), method);
}

isDeoptimized (method) {
return isDeoptimized(method);
}

_checkAvailable () {
if (!this.available) {
throw new Error('Java API not available');
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17 changes: 17 additions & 0 deletions lib/android.js
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Expand Up @@ -311,6 +311,7 @@ function _getApi () {
},
_ZN3art7Runtime19DeoptimizeBootImageEv: ['art::Runtime::DeoptimizeBootImage', 'void', ['pointer']],
_ZN3art15instrumentation15Instrumentation10DeoptimizeEPNS_9ArtMethodE: ['art::Instrumentation::Deoptimize', 'void', ['pointer', 'pointer']],
_ZN3art15instrumentation15Instrumentation13IsDeoptimizedEPNS_9ArtMethodE: ['art::Instrumentation::IsDeoptimized', 'bool', ['pointer', 'pointer']],

// Android >= 11
_ZN3art3jni12JniIdManager14DecodeMethodIdEP10_jmethodID: ['art::jni::JniIdManager::DecodeMethodId', 'pointer', ['pointer', 'pointer']],
Expand Down Expand Up @@ -368,6 +369,7 @@ function _getApi () {
'_ZN3art15instrumentation15Instrumentation20DeoptimizeEverythingEv',
'_ZN3art7Runtime19DeoptimizeBootImageEv',
'_ZN3art15instrumentation15Instrumentation10DeoptimizeEPNS_9ArtMethodE',
'_ZN3art15instrumentation15Instrumentation13IsDeoptimizedEPNS_9ArtMethodE',
'_ZN3art3Dbg9StartJdwpEv',
'_ZN3art3Dbg8GoActiveEv',
'_ZN3art3Dbg21RequestDeoptimizationERKNS_21DeoptimizationRequestE',
Expand Down Expand Up @@ -4057,6 +4059,21 @@ function requestDeoptimization (vm, env, kind, method) {
});
}

export function isDeoptimized (method) {
const api = getApi();

if (getAndroidApiLevel() < 24) {
throw new Error('This API is only available on Android >= 7.0');
}

const instrumentation = api.artInstrumentation;
if (instrumentation === null) {
throw new Error('Unable to find Instrumentation class in ART; please file a bug');
}

return !!api['art::Instrumentation::IsDeoptimized'](instrumentation, method);
}

class JdwpSession {
constructor () {
/*
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