Move exception tracer library to folly/experimental

[folly.git] / folly / experimental / symbolizer / ElfUtil.cpp

diff --git a/folly/experimental/symbolizer/ElfUtil.cpp b/folly/experimental/symbolizer/ElfUtil.cpp
new file mode 100644 (file)
index 0000000..7883aab
--- /dev/null
+++ b/folly/experimental/symbolizer/ElfUtil.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012 Facebook, Inc.
+ *
+ * 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 "folly/experimental/symbolizer/Elf.h"
+
+#include <stdio.h>
+
+#include <gflags/gflags.h>
+#include <glog/logging.h>
+
+using namespace facebook;
+using namespace facebook::symbolizer;
+
+int main(int argc, char *argv[]) {
+  google::ParseCommandLineFlags(&argc. &argv, true);
+  CHECK_GE(argc, 2);
+
+  ElfFile elf(argv[1]);
+
+  if (argc > 2) {
+    auto section = elf.getSectionByName(argv[2]);
+    printf("Section %s: %s\n",
+           argv[2],
+           (section ? "found" : "not found"));
+  }
+
+  auto sym = elf.getDefinitionByAddress(reinterpret_cast<uintptr_t>(main));
+  if (sym.first) {
+    printf("found %s\n", elf.getSymbolName(sym));
+  } else {
+    printf("main not found\n");
+  }
+
+  return 0;
+}