97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/android/java_exception_reporter.h"
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#include "base/android/jni_android.h"
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#include "base/android/jni_string.h"
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#include "base/android/scoped_java_ref.h"
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#include "base/base_jni_headers/JavaExceptionReporter_jni.h"
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#include "base/bind.h"
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#include "base/callback_forward.h"
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#include "base/debug/dump_without_crashing.h"
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#include "base/lazy_instance.h"
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using base::android::JavaParamRef;
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using base::android::JavaRef;
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namespace base {
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namespace android {
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namespace {
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void (*g_java_exception_callback)(const char*);
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using JavaExceptionFilter =
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base::RepeatingCallback<bool(const JavaRef<jthrowable>&)>;
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LazyInstance<JavaExceptionFilter>::Leaky g_java_exception_filter;
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} // namespace
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void InitJavaExceptionReporter() {
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JNIEnv* env = base::android::AttachCurrentThread();
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// Since JavaExceptionReporter#installHandler will chain through to the
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// default handler, the default handler should cause a crash as if it's a
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// normal java exception. Prefer to crash the browser process in java rather
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// than native since for webview, the embedding app may have installed its
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// own JavaExceptionReporter handler and would expect it to be called.
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constexpr bool crash_after_report = false;
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SetJavaExceptionFilter(
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base::BindRepeating([](const JavaRef<jthrowable>&) { return true; }));
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Java_JavaExceptionReporter_installHandler(env, crash_after_report);
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}
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void InitJavaExceptionReporterForChildProcess() {
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JNIEnv* env = base::android::AttachCurrentThread();
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constexpr bool crash_after_report = true;
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SetJavaExceptionFilter(
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base::BindRepeating([](const JavaRef<jthrowable>&) { return true; }));
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Java_JavaExceptionReporter_installHandler(env, crash_after_report);
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}
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void SetJavaExceptionFilter(JavaExceptionFilter java_exception_filter) {
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g_java_exception_filter.Get() = std::move(java_exception_filter);
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}
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void SetJavaExceptionCallback(void (*callback)(const char*)) {
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DCHECK(!g_java_exception_callback);
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g_java_exception_callback = callback;
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}
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void SetJavaException(const char* exception) {
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DCHECK(g_java_exception_callback);
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g_java_exception_callback(exception);
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}
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void JNI_JavaExceptionReporter_ReportJavaException(
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JNIEnv* env,
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jboolean crash_after_report,
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const JavaParamRef<jthrowable>& e) {
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std::string exception_info = base::android::GetJavaExceptionInfo(env, e);
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bool should_report_exception = g_java_exception_filter.Get().Run(e);
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if (should_report_exception) {
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SetJavaException(exception_info.c_str());
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}
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if (crash_after_report) {
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LOG(ERROR) << exception_info;
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LOG(FATAL) << "Uncaught exception";
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}
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if (should_report_exception) {
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base::debug::DumpWithoutCrashing();
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SetJavaException(nullptr);
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}
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}
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void JNI_JavaExceptionReporter_ReportJavaStackTrace(
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JNIEnv* env,
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const JavaParamRef<jstring>& stack_trace) {
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SetJavaException(ConvertJavaStringToUTF8(stack_trace).c_str());
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base::debug::DumpWithoutCrashing();
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SetJavaException(nullptr);
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}
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} // namespace android
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} // namespace base
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