text: /****************************************************************************
   * include/execinfo.h
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you 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.
   *
   ****************************************************************************/
  
  #ifndef __INCLUDE_EXECINFO_H
  #define __INCLUDE_EXECINFO_H
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  #undef EXTERN
  #if defined(__cplusplus)
  #define EXTERN extern "C"
  extern "C"
  {
  #else
  #define EXTERN extern
  #endif
  
  #if defined(CONFIG_UNWINDER)
  
  /* Store up to SIZE return address of the current program state in
   * ARRAY and return the exact number of values stored.
   */
  
  extern int  backtrace(FAR void **buffer, int size);
  extern void dump_stack(void);
  #else
  # define dump_stack()
  #endif
  
  #undef EXTERN
  #if defined(__cplusplus)
  }
  #endif
  
  #endif /* __INCLUDE_EXECINFO_H */
  