#include "tensorflow/stream_executor/lib/demangle.h"

#if (__GNUC__ >= 4 || (__GNUC__ >= 3 && __GNUC_MINOR__ >= 4)) && \
    !defined(__mips__)
#  define HAS_CXA_DEMANGLE 1
#else
#  define HAS_CXA_DEMANGLE 0
#endif

#include <stdlib.h>
#if HAS_CXA_DEMANGLE
#include <cxxabi.h>
#endif

namespace perftools {
namespace gputools {
namespace port {

// The API reference of abi::__cxa_demangle() can be found in
// libstdc++'s manual.
// https://gcc.gnu.org/onlinedocs/libstdc++/libstdc++-html-USERS-4.3/a01696.html
string Demangle(const char *mangled) {
  string demangled;
  int status = 0;
  char *result = NULL;
#if HAS_CXA_DEMANGLE
  result = abi::__cxa_demangle(mangled, NULL, NULL, &status);
#endif
  if (status == 0 && result != NULL) {  // Demangling succeeeded.
    demangled.append(result);
    free(result);
  }
  return demangled;
}

}  // namespace port
}  // namespace gputools
}  // namespace perftools