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/*
* Copyright (C) 2011 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.
*/
#include "runtime_debug.h"
#include <vector>
#include "globals.h"
namespace art {
// We test here that the runtime-debug-checks are actually a no-op constexpr false in release
// builds, as we can't check that in gtests (which are always debug).
#ifdef NDEBUG
namespace {
DECLARE_RUNTIME_DEBUG_FLAG(kTestForConstexpr);
static_assert(!kTestForConstexpr, "Issue with DECLARE_RUNTIME_DEBUG_FLAG in NDEBUG.");
}
#endif
// Implementation of runtime debug flags. This should be compile-time optimized away in release
// builds.
namespace {
bool gSlowEnabled = false; // Default for slow flags is "off."
// Use a function with a static to ensure our vector storage doesn't have initialization order
// issues.
std::vector<bool*>& GetFlagPtrs() {
static std::vector<bool*> g_flag_ptrs;
return g_flag_ptrs;
}
bool RegisterRuntimeDebugFlagImpl(bool* flag_ptr) {
GetFlagPtrs().push_back(flag_ptr);
return gSlowEnabled;
}
void SetRuntimeDebugFlagsEnabledImpl(bool enabled) {
gSlowEnabled = enabled;
for (bool* flag_ptr : GetFlagPtrs()) {
*flag_ptr = enabled;
}
}
} // namespace
bool RegisterRuntimeDebugFlag(bool* flag_ptr) {
if (kIsDebugBuild) {
return RegisterRuntimeDebugFlagImpl(flag_ptr);
}
return false;
}
void SetRuntimeDebugFlagsEnabled(bool enabled) {
if (kIsDebugBuild) {
SetRuntimeDebugFlagsEnabledImpl(enabled);
}
}
} // namespace art
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