text: /**
   * Copyright 2019 Huawei Technologies Co., Ltd
   *
   * 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 "common/func_utils.h"
  
  namespace mindspore {
  namespace predict {
  #if MS_USE_ARM
  _Unwind_Reason_Code PrintTraceArm(_Unwind_Context *ctx, void *d) {
    MS_ASSERT(ctx != nullptr);
    MS_ASSERT(d != nullptr);
    Dl_info info;
    int *depth = static_cast<int *>(d);
    auto ipAddr = static_cast<int64_t>(_Unwind_GetIP(ctx));
    if (dladdr(reinterpret_cast<void *>(ipAddr), &info)) {
      const char *symbol = "";
      const char *dlfile = "";
      if (info.dli_sname) {
        symbol = info.dli_sname;
      }
      if (info.dli_fname) {
        dlfile = info.dli_fname;
      }
      MS_PRINT_ERROR("#%d: (%08lx) %s %s ", *depth, ipAddr, dlfile, symbol);
    }
  
    (*depth)++;
    return _URC_NO_REASON;
  }
  #endif
  
  void CoreDumpTraceFunc(int iSignum) {
    MS_PRINT_ERROR("----- start get backtrace info -----");
  #if MS_USE_ARM
    int depth = 0;
    _Unwind_Backtrace(&PrintTraceArm, &depth);
  #else
    const auto maxDeep = 32;
    const auto maxStringLen = 100;
    void *apBuffer[maxStringLen];
    char **ppStrings;
  
    auto iStackDepth = backtrace(apBuffer, maxDeep);
    if (0 > iStackDepth) {
      KillProcess("Get backtrace depth failed");
      return;
    }
    MS_PRINT_ERROR("Current stack depth is %d", iStackDepth);
    ppStrings = backtrace_symbols(apBuffer, iStackDepth);
    if (nullptr == ppStrings) {
      KillProcess("Get backtrace_symbols failed");
      return;
    }
  
    for (int iLoop = 0; iLoop < iStackDepth; iLoop++) {
      MS_PRINT_ERROR("%s \n", ppStrings[iLoop]);
    }
  #endif
    MS_PRINT_ERROR("----- finish get backtrace info -----");
    KillProcess("Exit after core dump");
    return;  // try exit 1
  }
  }  // namespace predict
  }  // namespace mindspore
  