SERVER-42806 move base/backtrace test stuff to util/stacktrace_*

1 files changed, 70 insertions, 0 deletions

diff --git a/src/mongo/util/stacktrace_libunwind_test_functions.cpp b/src/mongo/util/stacktrace_libunwind_test_functions.cpp
new file mode 100644
index 00000000000..bcef679ba7e
--- /dev/null
+++ b/src/mongo/util/stacktrace_libunwind_test_functions.cpp
@@ -0,0 +1,70 @@
+/**
+ *    Copyright (C) 2019-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+/**
+ * This source file and its header are for testing that static, hidden, etc.
+ * functions appear in backtraces, see unwind_test.cpp.
+ */
+
+#include "stacktrace_libunwind_test_functions.h"
+
+#include "mongo/platform/compiler.h"
+#include "mongo/util/stacktrace.h"
+
+#include <sstream>
+
+#define PREVENT_TAIL_CALL asm volatile("")  // NOLINT
+
+// "static" means internal linkage only for functions at namespace scope.
+MONGO_COMPILER_NOINLINE static void staticFunction(std::ostream& s) {
+    mongo::printStackTrace(s);
+    PREVENT_TAIL_CALL;
+}
+
+namespace {
+MONGO_COMPILER_NOINLINE void anonymousNamespaceFunction(std::ostream& s) {
+    staticFunction(s);
+    PREVENT_TAIL_CALL;
+}
+}  // namespace
+
+MONGO_COMPILER_NOINLINE MONGO_COMPILER_API_HIDDEN_FUNCTION void hiddenFunction(std::ostream& s) {
+    anonymousNamespaceFunction(s);
+    PREVENT_TAIL_CALL;
+}
+
+namespace mongo {
+
+namespace unwind_test_detail {
+MONGO_COMPILER_NOINLINE void normalFunction(std::ostream& s) {
+    hiddenFunction(s);
+    PREVENT_TAIL_CALL;
+}
+}  // namespace unwind_test_detail
+}  // namespace mongo