rtl-unwind-dw2.h

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/*
 *  COPYRIGHT (c) 2016 Chris Johns <chrisj@rtems.org>
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */
#if !defined (_RTEMS_RTL_UNWIND_DW2_H_)
#define _RTEMS_RTL_UNWIND_DW2_H_

#include "rtl-elf.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#if __SIZEOF_LONG__ >= __SIZEOF_POINTER__
  typedef long rtems_rtl_elf_unwind_dw2_sleb128;
  typedef unsigned long rtems_rtl_elf_unwind_dw2_uleb128;
#elif __SIZEOF_LONG_LONG__ >= __SIZEOF_POINTER__
  typedef long long rtems_rtl_elf_unwind_dw2_sleb128;
  typedef unsigned long long rtems_rtl_elf_unwind_dw2_uleb128;
#else
  #error No DW2 type available.
#endif

bool rtems_rtl_elf_unwind_dw2_parse (const rtems_rtl_obj_t* obj,
                                     const char*            name,
                                     uint32_t               flags);

bool rtems_rtl_elf_unwind_dw2_register (const rtems_rtl_obj_t* obj);

bool rtems_rtl_elf_unwind_dw2_deregister (const rtems_rtl_obj_t* obj);

const uint8_t* rtems_rtl_elf_unwind_dw2_read_uleb128 (const uint8_t*                    data,
                                                      rtems_rtl_elf_unwind_dw2_uleb128* val);
const uint8_t* rtems_rtl_elf_unwind_dw2_read_sleb128 (const uint8_t*                    data,
                                                      rtems_rtl_elf_unwind_dw2_sleb128* val);

bool rtems_rtl_elf_unwind_dw2_relocate (const Elf_Addr* where, Elf_Word value, Elf_Word mask);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif