base/android/jni_generator/jni_generator_helper.h

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_ANDROID_JNI_GENERATOR_JNI_GENERATOR_HELPER_H_
#define BASE_ANDROID_JNI_GENERATOR_JNI_GENERATOR_HELPER_H_

#include <jni.h>

#include "base/android/jni_android.h"
#include "base/android/jni_int_wrapper.h"
#include "base/android/scoped_java_ref.h"
#include "base/logging.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "starboard/types.h"

// Project-specific macros used by the header files generated by
// jni_generator.py. Different projects can then specify their own
// implementation for this file.
#define CHECK_NATIVE_PTR(env, jcaller, native_ptr, method_name, ...) \
  DCHECK(native_ptr) << method_name;

#define CHECK_CLAZZ(env, jcaller, clazz, ...) DCHECK(clazz);

#if defined(ARCH_CPU_X86)
// Dalvik JIT generated code doesn't guarantee 16-byte stack alignment on
// x86 - use force_align_arg_pointer to realign the stack at the JNI
// boundary. crbug.com/655248
#define JNI_GENERATOR_EXPORT \
  extern "C" __attribute__((visibility("default"), force_align_arg_pointer))
#else
#define JNI_GENERATOR_EXPORT extern "C" __attribute__((visibility("default")))
#endif

// Used to export JNI registration functions.
#if defined(COMPONENT_BUILD)
#define JNI_REGISTRATION_EXPORT __attribute__((visibility("default")))
#else
#define JNI_REGISTRATION_EXPORT
#endif

namespace jni_generator {

inline void HandleRegistrationError(JNIEnv* env,
                                    jclass clazz,
                                    const char* filename) {
  LOG(ERROR) << "RegisterNatives failed in " << filename;
}

inline void CheckException(JNIEnv* env) {
  base::android::CheckException(env);
}

}  // namespace jni_generator

#endif  // BASE_ANDROID_JNI_GENERATOR_JNI_GENERATOR_HELPER_H_