rtl-sym.h

Go to the documentation of this file.

/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 *  COPYRIGHT (c) 2012-2014, 2018 Chris Johns <chrisj@rtems.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#if !defined (_RTEMS_RTL_SYM_H_)
#define _RTEMS_RTL_SYM_H_
 
#include <rtems.h>
#include "rtl-obj-fwd.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct rtems_rtl_obj_sym
{
  rtems_chain_node node;    
  const char*      name;    
  void*            value;   
  uint32_t         data;    
} rtems_rtl_obj_sym;

typedef struct rtems_rtl_symbols
{
  rtems_chain_control* buckets;
  size_t               nbuckets;
} rtems_rtl_symbols;

typedef size_t (*rtems_rtl_tls_offset_func)(void);

typedef struct rtems_rtl_tls_offset
{
  size_t                    index;  
  rtems_rtl_tls_offset_func offset; 
} rtems_rtl_tls_offset;

bool rtems_rtl_symbol_table_open (rtems_rtl_symbols* symbols,
                                  size_t             buckets);

void rtems_rtl_symbol_table_close (rtems_rtl_symbols* symbols);

void rtems_rtl_symbol_global_insert (rtems_rtl_symbols* symbols,
                                     rtems_rtl_obj_sym* symbol);

bool rtems_rtl_symbol_global_add (rtems_rtl_obj*              obj,
                                  const unsigned char*        esyms,
                                  unsigned int                size,
                                  const rtems_rtl_tls_offset* tls_offsets,
                                  unsigned int                tls_size);

rtems_rtl_obj_sym* rtems_rtl_symbol_global_find (const char* name);

void rtems_rtl_symbol_obj_sort (rtems_rtl_obj* obj);

rtems_rtl_obj_sym* rtems_rtl_symbol_obj_find (rtems_rtl_obj* obj,
                                              const char*    name);

void rtems_rtl_symbol_obj_add (rtems_rtl_obj* obj);

void rtems_rtl_symbol_obj_erase_local (rtems_rtl_obj* obj);

void rtems_rtl_symbol_obj_erase (rtems_rtl_obj* obj);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif