/*      $OpenBSD: link_elf.h,v 1.8 2022/01/28 04:59:15 guenther Exp $   */

/*
 * Public domain.
 */

#ifndef _LINK_ELF_H
#define _LINK_ELF_H

#include <elf_abi.h>

#ifndef DT_PROCNUM
#define DT_PROCNUM 0
#endif

/*
 * struct link_map is a part of the protocol between the debugger and
 * ld.so. ld.so may have additional fields in its version of this
 * structure but those are ld.so private fields.
 */
struct link_map {
        caddr_t         l_addr;         /* Base address of library */
        const char      *l_name;        /* Absolute path to library */
        void            *l_ld;          /* pointer to _DYNAMIC */
        struct link_map *l_next;
        struct link_map *l_prev;
};

struct dl_phdr_info {
        Elf_Addr        dlpi_addr;
        const char      *dlpi_name;
        const Elf_Phdr  *dlpi_phdr;
        Elf_Half        dlpi_phnum;
};

__BEGIN_DECLS
int     dl_iterate_phdr (int (*)(struct dl_phdr_info *, size_t, void *),
           void *);
void    *dl_unwind_find_exidx(const void *, int *);
__END_DECLS

#endif /* !_LINK_ELF_H */