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#ifndef _LD_HASH_H_

#define _LD_HASH_H_

#ifndef RTLD_NEXT

#define RTLD_NEXT       ((void*)-1)

#endif

struct dyn_elf{

  unsigned long flags;

  struct elf_resolve * dyn;

  struct dyn_elf * next_handle;  /* Used by dlopen et al. */

  struct dyn_elf * next;

  struct dyn_elf * prev;

};

struct elf_resolve{

  /* These entries must be in this order to be compatible with the interface used

     by gdb to obtain the list of symbols. */

  ElfW(Addr) loadaddr;          /* Base address shared object is loaded at.  */

  char *libname;                /* Absolute file name object was found in.  */

  ElfW(Dyn) *dynamic_addr;      /* Dynamic section of the shared object.  */

  struct elf_resolve * next;

  struct elf_resolve * prev;

  /* Nothing after this address is used by gdb. */

  enum {elf_lib, elf_executable,program_interpreter, loaded_file} libtype;

  struct dyn_elf * symbol_scope;

  unsigned short usage_count;

  unsigned short int init_flag;

  unsigned int nbucket;

  unsigned long * elf_buckets;

  /*

   * These are only used with ELF style shared libraries

   */

  unsigned long nchain;

  unsigned long * chains;

  unsigned long dynamic_info[24];

  unsigned long dynamic_size;

  unsigned long n_phent;

  Elf32_Phdr * ppnt;

#if defined(__mips__)

  /* Needed for MIPS relocation */

  unsigned long mips_gotsym;

  unsigned long mips_local_gotno;

  unsigned long mips_symtabno;

#endif

#ifdef __powerpc__

  /* this is used to store the address of relocation data words, so

   * we don't have to calculate it every time, which requires a divide */

  unsigned long data_words;

#endif

};

#define COPY_RELOCS_DONE    1

#define RELOCS_DONE         2

#define JMP_RELOCS_DONE     4

#define INIT_FUNCS_CALLED   8

extern struct dyn_elf     * _dl_symbol_tables;

extern struct elf_resolve * _dl_loaded_modules;

extern struct dyn_elf     * _dl_handles;

extern struct elf_resolve * _dl_check_hashed_files(const char * libname);

extern struct elf_resolve * _dl_add_elf_hash_table(const char * libname,

        char * loadaddr, unsigned long * dynamic_info,

        unsigned long dynamic_addr, unsigned long dynamic_size);

enum caller_type{symbolrel=0,copyrel=1,resolver=2};

extern char * _dl_find_hash(const char * name, struct dyn_elf * rpnt1,

        struct elf_resolve * f_tpnt, enum caller_type);

extern int _dl_linux_dynamic_link(void);

extern char * _dl_library_path;

extern char * _dl_not_lazy;

extern unsigned long _dl_elf_hash(const char * name);

static inline int _dl_symbol(char * name)

{

  if(name[0] != '_' || name[1] != 'd' || name[2] != 'l' || name[3] != '_')

    return 0;

  return 1;

}

#define LD_ERROR_NOFILE 1

#define LD_ERROR_NOZERO 2

#define LD_ERROR_NOTELF 3

#define LD_ERROR_NOTMAGIC 4

#define LD_ERROR_NOTDYN 5

#define LD_ERROR_MMAP_FAILED 6

#define LD_ERROR_NODYNAMIC 7

#define LD_WRONG_RELOCS 8

#define LD_BAD_HANDLE 9

#define LD_NO_SYMBOL 10

#endif /* _LD_HASH_H_ */