nfsmw-online/trace_agent/jni_trace.cpp

// JNI tracing for the native ARM32 investigation (see
// ARM64_TRANSLATION_LAYER.md's "Native ARM32 tracing harness" plan).
//
// JNI calls go through the JNIEnv->functions function-pointer table, not
// the dynamic symbol table - LD_PRELOAD interposition (libc_gles_trace.cpp)
// can't see them. Real Android ART shares ONE JNINativeInterface table
// across every thread's JNIEnv (confirmed by design, not assumed - this is
// standard JVM/ART behavior), so this patches the table'S CONTENTS in
// place (not swapping which struct `functions` points to) - covers every
// thread automatically, including whichever one actually drives the game's
// real onDrawFrame/RunLoop-tick GL thread, not just whichever thread
// happens to call the installer below.
//
// 2026-09-06: widened from the original curated dozen to a much broader
// call-flow set (method/field access, object lifecycle, exceptions, local
// frames) - the point of a "full" trace is reconstructing execution order
// on real hardware, and the original subset was too narrow for that. Still
// deliberately skips a few genuinely high-frequency, low-information calls
// (DeleteLocalRef, array element accessors) - see their own comments below.
#include <jni.h>
#include <cstring>
#include <sys/mman.h>
#include <unistd.h>
#include "trace_log.h"

using trace_agent::LookupName;
using trace_agent::RememberName;
using trace_agent::TraceLog;

namespace {

JNINativeInterface g_orig{}; // real function pointers, saved before patching, so wrappers can call through

jclass Wrap_FindClass(JNIEnv* env, const char* name) {
    jclass r = g_orig.FindClass(env, name);
    TraceLog("JNI FindClass(\"%s\") -> %p%s", name ? name : "(null)", (void*)r, r == nullptr ? " [FAILED]" : "");
    return r;
}

// Diagnostic for the ARM64_TRANSLATION_LAYER.md "external-storage overlay
// at VFS root" investigation - is GameActivityMain.useAssetsFileSystem()
// even called on real native ARM32, and what does it actually return?
// The Java-side implementation is this project's own (native32 shares
// GameActivityMain.kt with the translated/emulated flavor), so a
// same-vs-different result here isn't about different source code - it's
// about whether the same code produces a different real answer natively.
jmethodID g_useAssetsFileSystemId = nullptr;

jmethodID Wrap_GetMethodID(JNIEnv* env, jclass clazz, const char* name, const char* sig) {
    jmethodID r = g_orig.GetMethodID(env, clazz, name, sig);
    TraceLog("JNI GetMethodID(\"%s\", \"%s\") -> %p%s", name ? name : "(null)", sig ? sig : "(null)",
             (void*)r, r == nullptr ? " [FAILED]" : "");
    if (r) RememberName(r, name, sig);
    if (name && r && strcmp(name, "useAssetsFileSystem") == 0) {
        g_useAssetsFileSystemId = r;
        TraceLog("JNI GetMethodID: cached useAssetsFileSystem jmethodID=%p for CallBooleanMethod tracing", (void*)r);
    }
    return r;
}

jboolean Wrap_CallBooleanMethod(JNIEnv* env, jobject obj, jmethodID id, ...) {
    va_list ap;
    va_start(ap, id);
    jboolean r = g_orig.CallBooleanMethodV(env, obj, id, ap);
    va_end(ap);
    TraceLog("JNI CallBooleanMethod: %s(obj=%p) -> %s", LookupName(id).c_str(), (void*)obj, r ? "true" : "false");
    return r;
}

jboolean Wrap_CallBooleanMethodV(JNIEnv* env, jobject obj, jmethodID id, va_list args) {
    // va_list can only be consumed once - copy before forwarding so the
    // real call still gets a fresh, valid list.
    va_list copy;
    va_copy(copy, args);
    jboolean r = g_orig.CallBooleanMethodV(env, obj, id, copy);
    va_end(copy);
    TraceLog("JNI CallBooleanMethodV: %s(obj=%p) -> %s", LookupName(id).c_str(), (void*)obj, r ? "true" : "false");
    return r;
}

jboolean Wrap_CallBooleanMethodA(JNIEnv* env, jobject obj, jmethodID id, const jvalue* args) {
    jboolean r = g_orig.CallBooleanMethodA(env, obj, id, args);
    TraceLog("JNI CallBooleanMethodA: %s(obj=%p) -> %s", LookupName(id).c_str(), (void*)obj, r ? "true" : "false");
    return r;
}

jmethodID Wrap_GetStaticMethodID(JNIEnv* env, jclass clazz, const char* name, const char* sig) {
    jmethodID r = g_orig.GetStaticMethodID(env, clazz, name, sig);
    TraceLog("JNI GetStaticMethodID(\"%s\", \"%s\") -> %p%s", name ? name : "(null)", sig ? sig : "(null)",
             (void*)r, r == nullptr ? " [FAILED]" : "");
    if (r) RememberName(r, name, sig);
    return r;
}

jfieldID Wrap_GetFieldID(JNIEnv* env, jclass clazz, const char* name, const char* sig) {
    jfieldID r = g_orig.GetFieldID(env, clazz, name, sig);
    TraceLog("JNI GetFieldID(\"%s\", \"%s\") -> %p%s", name ? name : "(null)", sig ? sig : "(null)",
             (void*)r, r == nullptr ? " [FAILED]" : "");
    if (r) RememberName(r, name, sig);
    return r;
}

jfieldID Wrap_GetStaticFieldID(JNIEnv* env, jclass clazz, const char* name, const char* sig) {
    jfieldID r = g_orig.GetStaticFieldID(env, clazz, name, sig);
    TraceLog("JNI GetStaticFieldID(\"%s\", \"%s\") -> %p%s", name ? name : "(null)", sig ? sig : "(null)",
             (void*)r, r == nullptr ? " [FAILED]" : "");
    if (r) RememberName(r, name, sig);
    return r;
}

jint Wrap_RegisterNatives(JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint n) {
    jint r = g_orig.RegisterNatives(env, clazz, methods, n);
    TraceLog("JNI RegisterNatives(count=%d) -> %d%s", n, r, r != 0 ? " [FAILED]" : "");
    for (jint i = 0; i < n; i++) {
        TraceLog("JNI RegisterNatives:   %s %s", methods[i].name, methods[i].signature);
    }
    return r;
}

jstring Wrap_NewStringUTF(JNIEnv* env, const char* bytes) {
    jstring r = g_orig.NewStringUTF(env, bytes);
    TraceLog("JNI NewStringUTF(\"%s\") -> %p", bytes ? bytes : "(null)", (void*)r);
    return r;
}

const char* Wrap_GetStringUTFChars(JNIEnv* env, jstring str, jboolean* isCopy) {
    const char* r = g_orig.GetStringUTFChars(env, str, isCopy);
    TraceLog("JNI GetStringUTFChars() -> \"%s\"", r ? r : "(null)");
    return r;
}

jboolean Wrap_ExceptionCheck(JNIEnv* env) {
    jboolean r = g_orig.ExceptionCheck(env);
    if (r) TraceLog("JNI ExceptionCheck() -> TRUE");
    return r;
}

void Wrap_ExceptionDescribe(JNIEnv* env) {
    TraceLog("JNI ExceptionDescribe() called");
    g_orig.ExceptionDescribe(env);
}

// ---- object lifecycle / class checks ----

jclass Wrap_GetObjectClass(JNIEnv* env, jobject obj) {
    jclass r = g_orig.GetObjectClass(env, obj);
    TraceLog("JNI GetObjectClass(obj=%p) -> %p", (void*)obj, (void*)r);
    return r;
}

jboolean Wrap_IsInstanceOf(JNIEnv* env, jobject obj, jclass clazz) {
    jboolean r = g_orig.IsInstanceOf(env, obj, clazz);
    TraceLog("JNI IsInstanceOf(obj=%p, class=%p) -> %s", (void*)obj, (void*)clazz, r ? "true" : "false");
    return r;
}

jboolean Wrap_IsSameObject(JNIEnv* env, jobject a, jobject b) {
    jboolean r = g_orig.IsSameObject(env, a, b);
    TraceLog("JNI IsSameObject(%p, %p) -> %s", (void*)a, (void*)b, r ? "true" : "false");
    return r;
}

jobject Wrap_NewGlobalRef(JNIEnv* env, jobject obj) {
    jobject r = g_orig.NewGlobalRef(env, obj);
    TraceLog("JNI NewGlobalRef(%p) -> %p", (void*)obj, (void*)r);
    return r;
}

void Wrap_DeleteGlobalRef(JNIEnv* env, jobject obj) {
    TraceLog("JNI DeleteGlobalRef(%p)", (void*)obj);
    g_orig.DeleteGlobalRef(env, obj);
}

// DeleteLocalRef is deliberately NOT wrapped - by far the highest-frequency
// JNI call in any real run (every local ref a native function creates gets
// cleaned up through it), and it carries no name/signature information of
// its own. Logging it would reintroduce the exact volume problem
// libc_gles_trace.cpp's IsInteresting() was added to avoid, for a line that
// never says which method/field it's tied to.

jint Wrap_PushLocalFrame(JNIEnv* env, jint cap) {
    TraceLog("JNI PushLocalFrame(%d)", (int)cap);
    return g_orig.PushLocalFrame(env, cap);
}

jobject Wrap_PopLocalFrame(JNIEnv* env, jobject result) {
    TraceLog("JNI PopLocalFrame()");
    return g_orig.PopLocalFrame(env, result);
}

// ---- exceptions ----

jint Wrap_Throw(JNIEnv* env, jthrowable obj) {
    TraceLog("JNI Throw(%p)", (void*)obj);
    return g_orig.Throw(env, obj);
}

jint Wrap_ThrowNew(JNIEnv* env, jclass clazz, const char* msg) {
    TraceLog("JNI ThrowNew(class=%p, \"%s\")", (void*)clazz, msg ? msg : "(null)");
    return g_orig.ThrowNew(env, clazz, msg);
}

jthrowable Wrap_ExceptionOccurred(JNIEnv* env) {
    jthrowable r = g_orig.ExceptionOccurred(env);
    if (r) TraceLog("JNI ExceptionOccurred() -> %p", (void*)r);
    return r;
}

void Wrap_ExceptionClear(JNIEnv* env) {
    TraceLog("JNI ExceptionClear()");
    g_orig.ExceptionClear(env);
}

// ---- object construction / arrays ----

jobject Wrap_NewObject(JNIEnv* env, jclass clazz, jmethodID id, ...) {
    va_list ap;
    va_start(ap, id);
    jobject r = g_orig.NewObjectV(env, clazz, id, ap);
    va_end(ap);
    TraceLog("JNI NewObject: %s -> %p", LookupName(id).c_str(), (void*)r);
    return r;
}

jobject Wrap_NewObjectV(JNIEnv* env, jclass clazz, jmethodID id, va_list args) {
    va_list copy;
    va_copy(copy, args);
    jobject r = g_orig.NewObjectV(env, clazz, id, copy);
    va_end(copy);
    TraceLog("JNI NewObjectV: %s -> %p", LookupName(id).c_str(), (void*)r);
    return r;
}

jsize Wrap_GetArrayLength(JNIEnv* env, jarray arr) {
    jsize r = g_orig.GetArrayLength(env, arr);
    TraceLog("JNI GetArrayLength(%p) -> %d", (void*)arr, (int)r);
    return r;
}

jobjectArray Wrap_NewObjectArray(JNIEnv* env, jsize len, jclass clazz, jobject init) {
    jobjectArray r = g_orig.NewObjectArray(env, len, clazz, init);
    TraceLog("JNI NewObjectArray(len=%d, class=%p) -> %p", (int)len, (void*)clazz, (void*)r);
    return r;
}

// ---- instance Call*Method / Call*MethodV families (mechanical - same
// shape as jni_shim.cpp's own DoCall/DoCallV on the emulated side) ----

#define DEF_CALL_METHOD(RetType, Name)                                                          \
    RetType Wrap_Call##Name##Method(JNIEnv* env, jobject obj, jmethodID id, ...) {               \
        va_list ap;                                                                              \
        va_start(ap, id);                                                                        \
        RetType r = g_orig.Call##Name##MethodV(env, obj, id, ap);                                \
        va_end(ap);                                                                              \
        TraceLog("JNI Call" #Name "Method: %s(obj=%p)", LookupName(id).c_str(), (void*)obj);     \
        return r;                                                                                \
    }                                                                                             \
    RetType Wrap_Call##Name##MethodV(JNIEnv* env, jobject obj, jmethodID id, va_list args) {      \
        va_list copy;                                                                             \
        va_copy(copy, args);                                                                      \
        RetType r = g_orig.Call##Name##MethodV(env, obj, id, copy);                               \
        va_end(copy);                                                                             \
        TraceLog("JNI Call" #Name "MethodV: %s(obj=%p)", LookupName(id).c_str(), (void*)obj);    \
        return r;                                                                                \
    }

// void has no return value to capture, so it can't share DEF_CALL_METHOD's
// RetType-returning shape.
void Wrap_CallVoidMethod(JNIEnv* env, jobject obj, jmethodID id, ...) {
    va_list ap;
    va_start(ap, id);
    g_orig.CallVoidMethodV(env, obj, id, ap);
    va_end(ap);
    TraceLog("JNI CallVoidMethod: %s(obj=%p)", LookupName(id).c_str(), (void*)obj);
}
void Wrap_CallVoidMethodV(JNIEnv* env, jobject obj, jmethodID id, va_list args) {
    va_list copy;
    va_copy(copy, args);
    g_orig.CallVoidMethodV(env, obj, id, copy);
    va_end(copy);
    TraceLog("JNI CallVoidMethodV: %s(obj=%p)", LookupName(id).c_str(), (void*)obj);
}

DEF_CALL_METHOD(jobject, Object)
DEF_CALL_METHOD(jint, Int)
DEF_CALL_METHOD(jlong, Long)
DEF_CALL_METHOD(jfloat, Float)
DEF_CALL_METHOD(jdouble, Double)

#undef DEF_CALL_METHOD

// ---- static Call*Method / Call*MethodV families ----

#define DEF_CALL_STATIC_METHOD(RetType, Name)                                                       \
    RetType Wrap_CallStatic##Name##Method(JNIEnv* env, jclass clazz, jmethodID id, ...) {            \
        va_list ap;                                                                                  \
        va_start(ap, id);                                                                            \
        RetType r = g_orig.CallStatic##Name##MethodV(env, clazz, id, ap);                            \
        va_end(ap);                                                                                  \
        TraceLog("JNI CallStatic" #Name "Method: %s", LookupName(id).c_str());                       \
        return r;                                                                                    \
    }                                                                                                 \
    RetType Wrap_CallStatic##Name##MethodV(JNIEnv* env, jclass clazz, jmethodID id, va_list args) {   \
        va_list copy;                                                                                 \
        va_copy(copy, args);                                                                          \
        RetType r = g_orig.CallStatic##Name##MethodV(env, clazz, id, copy);                           \
        va_end(copy);                                                                                 \
        TraceLog("JNI CallStatic" #Name "MethodV: %s", LookupName(id).c_str());                       \
        return r;                                                                                     \
    }

void Wrap_CallStaticVoidMethod(JNIEnv* env, jclass clazz, jmethodID id, ...) {
    va_list ap;
    va_start(ap, id);
    g_orig.CallStaticVoidMethodV(env, clazz, id, ap);
    va_end(ap);
    TraceLog("JNI CallStaticVoidMethod: %s", LookupName(id).c_str());
}
void Wrap_CallStaticVoidMethodV(JNIEnv* env, jclass clazz, jmethodID id, va_list args) {
    va_list copy;
    va_copy(copy, args);
    g_orig.CallStaticVoidMethodV(env, clazz, id, copy);
    va_end(copy);
    TraceLog("JNI CallStaticVoidMethodV: %s", LookupName(id).c_str());
}

DEF_CALL_STATIC_METHOD(jobject, Object)
DEF_CALL_STATIC_METHOD(jboolean, Boolean)
DEF_CALL_STATIC_METHOD(jint, Int)
DEF_CALL_STATIC_METHOD(jlong, Long)
DEF_CALL_STATIC_METHOD(jfloat, Float)
DEF_CALL_STATIC_METHOD(jdouble, Double)

#undef DEF_CALL_STATIC_METHOD

// ---- instance Get*Field / Set*Field families ----

#define DEF_GET_FIELD(RetType, Name)                                             \
    RetType Wrap_Get##Name##Field(JNIEnv* env, jobject obj, jfieldID id) {        \
        RetType r = g_orig.Get##Name##Field(env, obj, id);                       \
        TraceLog("JNI Get" #Name "Field: %s(obj=%p)", LookupName(id).c_str(), (void*)obj); \
        return r;                                                                \
    }
#define DEF_SET_FIELD(ValType, Name)                                                          \
    void Wrap_Set##Name##Field(JNIEnv* env, jobject obj, jfieldID id, ValType val) {           \
        TraceLog("JNI Set" #Name "Field: %s(obj=%p)", LookupName(id).c_str(), (void*)obj);    \
        g_orig.Set##Name##Field(env, obj, id, val);                                            \
    }

DEF_GET_FIELD(jobject, Object)
DEF_GET_FIELD(jboolean, Boolean)
DEF_GET_FIELD(jint, Int)
DEF_GET_FIELD(jlong, Long)
DEF_GET_FIELD(jfloat, Float)
DEF_GET_FIELD(jdouble, Double)

DEF_SET_FIELD(jobject, Object)
DEF_SET_FIELD(jboolean, Boolean)
DEF_SET_FIELD(jint, Int)
DEF_SET_FIELD(jlong, Long)
DEF_SET_FIELD(jfloat, Float)
DEF_SET_FIELD(jdouble, Double)

#undef DEF_GET_FIELD
#undef DEF_SET_FIELD

// ---- static Get*Field / Set*Field families ----

#define DEF_GET_STATIC_FIELD(RetType, Name)                                       \
    RetType Wrap_GetStatic##Name##Field(JNIEnv* env, jclass clazz, jfieldID id) {  \
        RetType r = g_orig.GetStatic##Name##Field(env, clazz, id);                \
        TraceLog("JNI GetStatic" #Name "Field: %s", LookupName(id).c_str());      \
        return r;                                                                 \
    }
#define DEF_SET_STATIC_FIELD(ValType, Name)                                                 \
    void Wrap_SetStatic##Name##Field(JNIEnv* env, jclass clazz, jfieldID id, ValType val) {  \
        TraceLog("JNI SetStatic" #Name "Field: %s", LookupName(id).c_str());                \
        g_orig.SetStatic##Name##Field(env, clazz, id, val);                                  \
    }

DEF_GET_STATIC_FIELD(jobject, Object)
DEF_GET_STATIC_FIELD(jboolean, Boolean)
DEF_GET_STATIC_FIELD(jint, Int)

DEF_SET_STATIC_FIELD(jobject, Object)
DEF_SET_STATIC_FIELD(jboolean, Boolean)
DEF_SET_STATIC_FIELD(jint, Int)

#undef DEF_GET_STATIC_FIELD
#undef DEF_SET_STATIC_FIELD

} // namespace

// Kotlin side: nfs.mod.traceagent.TraceAgentBridge.install(outputPath) - a
// tiny new class added purely for this investigation (see the plan's Phase
// 3 file list), called from a new minimal Application.attachBaseContext, as
// early as possible, before any real game library gets a chance to grab its
// own JNIEnv reference. outputPath is the app's own private files dir (see
// TraceApplication.kt) - trace_log.h opens it for the whole process's life.
extern "C" JNIEXPORT void JNICALL
Java_nfs_mod_traceagent_TraceAgentBridge_install(JNIEnv* env, jclass, jstring outputPath) {
    if (outputPath) {
        const char* path = env->GetStringUTFChars(outputPath, nullptr);
        trace_agent::InitFileLog(path);
        env->ReleaseStringUTFChars(outputPath, path);
    }

    auto* table = const_cast<JNINativeInterface*>(env->functions);
    g_orig = *table;

    long pageSize = sysconf(_SC_PAGESIZE);
    uintptr_t base = (uintptr_t)table & ~(uintptr_t)(pageSize - 1);
    size_t span = ((uintptr_t)table + sizeof(*table)) - base;
    if (mprotect((void*)base, span, PROT_READ | PROT_WRITE) != 0) {
        TraceLog("InstallJniTraceHooks: mprotect failed - JNI tracing disabled, libc/GLES tracing (if LD_PRELOAD'd) still active");
        return;
    }

    table->FindClass = Wrap_FindClass;
    table->GetMethodID = Wrap_GetMethodID;
    table->CallBooleanMethod = Wrap_CallBooleanMethod;
    table->CallBooleanMethodV = Wrap_CallBooleanMethodV;
    table->CallBooleanMethodA = Wrap_CallBooleanMethodA;
    table->GetStaticMethodID = Wrap_GetStaticMethodID;
    table->GetFieldID = Wrap_GetFieldID;
    table->GetStaticFieldID = Wrap_GetStaticFieldID;
    table->RegisterNatives = Wrap_RegisterNatives;
    table->NewStringUTF = Wrap_NewStringUTF;
    table->GetStringUTFChars = Wrap_GetStringUTFChars;
    table->ExceptionCheck = Wrap_ExceptionCheck;
    table->ExceptionDescribe = Wrap_ExceptionDescribe;

    table->GetObjectClass = Wrap_GetObjectClass;
    table->IsInstanceOf = Wrap_IsInstanceOf;
    table->IsSameObject = Wrap_IsSameObject;
    table->NewGlobalRef = Wrap_NewGlobalRef;
    table->DeleteGlobalRef = Wrap_DeleteGlobalRef;
    table->PushLocalFrame = Wrap_PushLocalFrame;
    table->PopLocalFrame = Wrap_PopLocalFrame;

    table->Throw = Wrap_Throw;
    table->ThrowNew = Wrap_ThrowNew;
    table->ExceptionOccurred = Wrap_ExceptionOccurred;
    table->ExceptionClear = Wrap_ExceptionClear;

    table->NewObject = Wrap_NewObject;
    table->NewObjectV = Wrap_NewObjectV;
    table->GetArrayLength = Wrap_GetArrayLength;
    table->NewObjectArray = Wrap_NewObjectArray;

    table->CallVoidMethod = Wrap_CallVoidMethod;
    table->CallVoidMethodV = Wrap_CallVoidMethodV;
    table->CallObjectMethod = Wrap_CallObjectMethod;
    table->CallObjectMethodV = Wrap_CallObjectMethodV;
    table->CallIntMethod = Wrap_CallIntMethod;
    table->CallIntMethodV = Wrap_CallIntMethodV;
    table->CallLongMethod = Wrap_CallLongMethod;
    table->CallLongMethodV = Wrap_CallLongMethodV;
    table->CallFloatMethod = Wrap_CallFloatMethod;
    table->CallFloatMethodV = Wrap_CallFloatMethodV;
    table->CallDoubleMethod = Wrap_CallDoubleMethod;
    table->CallDoubleMethodV = Wrap_CallDoubleMethodV;

    table->CallStaticVoidMethod = Wrap_CallStaticVoidMethod;
    table->CallStaticVoidMethodV = Wrap_CallStaticVoidMethodV;
    table->CallStaticObjectMethod = Wrap_CallStaticObjectMethod;
    table->CallStaticObjectMethodV = Wrap_CallStaticObjectMethodV;
    table->CallStaticBooleanMethod = Wrap_CallStaticBooleanMethod;
    table->CallStaticBooleanMethodV = Wrap_CallStaticBooleanMethodV;
    table->CallStaticIntMethod = Wrap_CallStaticIntMethod;
    table->CallStaticIntMethodV = Wrap_CallStaticIntMethodV;
    table->CallStaticLongMethod = Wrap_CallStaticLongMethod;
    table->CallStaticLongMethodV = Wrap_CallStaticLongMethodV;
    table->CallStaticFloatMethod = Wrap_CallStaticFloatMethod;
    table->CallStaticFloatMethodV = Wrap_CallStaticFloatMethodV;
    table->CallStaticDoubleMethod = Wrap_CallStaticDoubleMethod;
    table->CallStaticDoubleMethodV = Wrap_CallStaticDoubleMethodV;

    table->GetObjectField = Wrap_GetObjectField;
    table->GetBooleanField = Wrap_GetBooleanField;
    table->GetIntField = Wrap_GetIntField;
    table->GetLongField = Wrap_GetLongField;
    table->GetFloatField = Wrap_GetFloatField;
    table->GetDoubleField = Wrap_GetDoubleField;
    table->SetObjectField = Wrap_SetObjectField;
    table->SetBooleanField = Wrap_SetBooleanField;
    table->SetIntField = Wrap_SetIntField;
    table->SetLongField = Wrap_SetLongField;
    table->SetFloatField = Wrap_SetFloatField;
    table->SetDoubleField = Wrap_SetDoubleField;

    table->GetStaticObjectField = Wrap_GetStaticObjectField;
    table->GetStaticBooleanField = Wrap_GetStaticBooleanField;
    table->GetStaticIntField = Wrap_GetStaticIntField;
    table->SetStaticObjectField = Wrap_SetStaticObjectField;
    table->SetStaticBooleanField = Wrap_SetStaticBooleanField;
    table->SetStaticIntField = Wrap_SetStaticIntField;

    mprotect((void*)base, span, PROT_READ); // restore - real ART keeps this read-only
    TraceLog("InstallJniTraceHooks: installed (full call/field/exception/lifecycle set, file+logcat)");
}