rtl-unresolved.h

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/*
 *  COPYRIGHT (c) 2012, 2019 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_UNRESOLVED_H_)
#define _RTEMS_RTL_UNRESOLVED_H_
 
#include <rtems.h>
#include <rtems/chain.h>
#include "rtl-obj-fwd.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
typedef uint32_t rtems_rtl_word;
 
typedef enum rtems_rtl_unresolved_rtype
{
  rtems_rtl_unresolved_empty = 0,  
  rtems_rtl_unresolved_symbol = 1, 
  rtems_rtl_unresolved_reloc = 2,  
  rtems_rtl_trampoline_reloc = 3   
} rtems_rtl_unresolved_rtype;
 
#define RTEMS_RTL_UNRESOLV_SYM_SEARCH_ARCHIVE (1 << 0) 
#define RTEMS_RTL_UNRESOLV_SYM_HAS_ERROR      (1 << 1) 
typedef struct rtems_rtl_unresolv_symbol
{
  uint16_t   refs;     
  uint16_t   flags;    
  uint16_t   length;   
  const char name[];   
} rtems_rtl_unresolv_symbol;
 
typedef struct rtems_rtl_unresolv_reloc
{
  rtems_rtl_obj* obj;     
  uint16_t       flags;   
  uint16_t       name;    
  uint16_t       sect;    
  rtems_rtl_word rel[3];  
} rtems_rtl_unresolv_reloc;
 
typedef struct rtems_rtl_tramp_reloc
{
  rtems_rtl_obj* obj;      
  uint16_t       flags;    
  uint16_t       sect;     
  rtems_rtl_word symvalue; 
  rtems_rtl_word rel[3];   
} rtems_rtl_tramp_reloc;
 
typedef struct rtems_rtl_unresolv_rec
{
  rtems_rtl_unresolved_rtype type;
  union
  {
    rtems_rtl_unresolv_symbol name;   
    rtems_rtl_unresolv_reloc  reloc;  
    rtems_rtl_tramp_reloc     tramp;  
  } rec;
} rtems_rtl_unresolv_rec;
 
typedef struct rtems_rtl_unresolv_block
{
  rtems_chain_node       link;  
  uint32_t               recs;  
  rtems_rtl_unresolv_rec rec[]; 
} rtems_rtl_unresolv_block;
 
typedef struct rtems_rtl_unresolved
{
  uint32_t            marker;     
  size_t              block_recs; 
  rtems_chain_control blocks;     
} rtems_rtl_unresolved;
 
typedef bool rtems_rtl_unresolved_iterator (rtems_rtl_unresolv_rec* rec,
                                            void*                   data);
 
bool rtems_rtl_unresolved_table_open (rtems_rtl_unresolved* unresolved,
                                      size_t                block_records);
 
void rtems_rtl_unresolved_table_close (rtems_rtl_unresolved* unresolved);
 
bool rtems_rtl_unresolved_iterate (rtems_rtl_unresolved_iterator iterator,
                                   void*                         data);
 
bool rtems_rtl_unresolved_add (rtems_rtl_obj*        obj,
                               const uint16_t        flags,
                               const char*           name,
                               const uint16_t        sect,
                               const rtems_rtl_word* rel);
 
void rtems_rtl_unresolved_resolve (void);
 
bool rtems_rtl_unresolved_remove (rtems_rtl_obj*        obj,
                                  const char*           name,
                                  const uint16_t        sect,
                                  const rtems_rtl_word* rel);
 
void rtems_rtl_unresolved_set_archive_search (void);
 
void rtems_rtl_unresolved_dump (void);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif