2 * Copyright 2016 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #include <folly/Singleton.h>
17 #include <folly/experimental/symbolizer/Symbolizer.h>
23 std::string stackTraceGetter() {
24 // Get and symbolize stack trace
25 constexpr size_t kMaxStackTraceDepth = 100;
26 symbolizer::FrameArray<kMaxStackTraceDepth> addresses;
28 if (!getStackTraceSafe(addresses)) {
31 constexpr size_t kDefaultCapacity = 500;
32 symbolizer::ElfCache elfCache(kDefaultCapacity);
34 symbolizer::Symbolizer symbolizer(&elfCache);
35 symbolizer.symbolize(addresses);
37 symbolizer::StringSymbolizePrinter printer;
38 printer.println(addresses);
43 struct SetStackTraceGetter {
44 SetStackTraceGetter() {
45 SingletonVault::stackTraceGetter().store(stackTraceGetter);
50 // OS X doesn't support constructor priorities.
51 SetStackTraceGetter setStackTraceGetter;
53 SetStackTraceGetter __attribute__((__init_priority__(101))) setStackTraceGetter;