get rid of the dependency on utils/CallStack.h
this makes it more explicit that we depend on
libbacktrace (and therefore libbase, libunwind).
this also completely get rid of our direct
dependency on libutils
Test: compiled
Bug: treble
Change-Id: Ib7b9d6be4f08cef401afe0d3d347e0250924a94f
diff --git a/opengl/libs/EGL/CallStack.h b/opengl/libs/EGL/CallStack.h
new file mode 100644
index 0000000..0e2a9b3
--- /dev/null
+++ b/opengl/libs/EGL/CallStack.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <log/log.h>
+#include <backtrace/Backtrace.h>
+#include <memory>
+
+class CallStack {
+public:
+ // Create a callstack with the current thread's stack trace.
+ // Immediately dump it to logcat using the given logtag.
+ static void log(const char* logtag) noexcept {
+ std::unique_ptr<Backtrace> backtrace(
+ Backtrace::Create(BACKTRACE_CURRENT_PROCESS, BACKTRACE_CURRENT_THREAD));
+ if (backtrace->Unwind(2)) {
+ for (size_t i = 0, c = backtrace->NumFrames(); i < c; i++) {
+ __android_log_print(ANDROID_LOG_DEBUG, logtag, "%s",
+ backtrace->FormatFrameData(i).c_str());
+ }
+ }
+ }
+};
+