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Always hooking function that updates method codes

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LoveSy 2022-10-29 00:59:53 +08:00
parent 8979bf7c4d
commit c812fb503c
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1 changed files with 20 additions and 10 deletions
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30
lsplant/src/main/jni/art/runtime/instrumentation.hpp
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@ -19,23 +19,33 @@ class Instrumentation {
CREATE_MEM_HOOK_STUB_ENTRY( CREATE_MEM_HOOK_STUB_ENTRY(
"_ZN3art15instrumentation15Instrumentation40UpdateMethodsCodeToInterpreterEntryPointEPNS_9ArtMethodE", "_ZN3art15instrumentation15Instrumentation40UpdateMethodsCodeToInterpreterEntryPointEPNS_9ArtMethodE",
void, UpdateMethodsCodeToInterpreterEntryPoint, void, UpdateMethodsCodeToInterpreterEntryPoint,
(Instrumentation * thiz, ArtMethod *art_method), (Instrumentation * thiz, ArtMethod *art_method), {
{ backup(thiz, MaybeUseBackupMethod(art_method, nullptr)); }); if (IsDeoptimized(art_method)) {
LOGV("skip update entrypoint on deoptimized method %s",
art_method->PrettyMethod(true).c_str());
return;
}
backup(thiz, MaybeUseBackupMethod(art_method, nullptr));
});
CREATE_MEM_HOOK_STUB_ENTRY( CREATE_MEM_HOOK_STUB_ENTRY(
"_ZN3art15instrumentation15Instrumentation21InitializeMethodsCodeEPNS_9ArtMethodEPKv", "_ZN3art15instrumentation15Instrumentation21InitializeMethodsCodeEPNS_9ArtMethodEPKv", void,
void, InitializeMethodsCode, InitializeMethodsCode,
(Instrumentation * thiz, ArtMethod *art_method, const void* quick_code), (Instrumentation * thiz, ArtMethod *art_method, const void *quick_code), {
{ backup(thiz, MaybeUseBackupMethod(art_method, quick_code), quick_code); }); if (IsDeoptimized(art_method)) {
LOGV("skip update entrypoint on deoptimized method %s",
art_method->PrettyMethod(true).c_str());
return;
}
backup(thiz, MaybeUseBackupMethod(art_method, quick_code), quick_code);
});
public: public:
static bool Init(JNIEnv *env, const HookHandler &handler) { static bool Init(JNIEnv *env, const HookHandler &handler) {
if (!IsJavaDebuggable(env)) [[likely]] {
return true;
}
int sdk_int = GetAndroidApiLevel(); int sdk_int = GetAndroidApiLevel();
if (sdk_int >= __ANDROID_API_P__) [[likely]] { if (sdk_int >= __ANDROID_API_P__) [[likely]] {
if (!HookSyms(handler, InitializeMethodsCode, UpdateMethodsCodeToInterpreterEntryPoint)) { if (!HookSyms(handler, InitializeMethodsCode,
UpdateMethodsCodeToInterpreterEntryPoint)) {
return false; return false;
} }
} }