1/*	$OpenBSD: link_elf.h,v 1.8 2022/01/28 04:59:15 guenther Exp $	*/
2
3/*
4 * Public domain.
5 */
6
7#ifndef _LINK_ELF_H
8#define _LINK_ELF_H
9
10#include <elf_abi.h>
11
12#ifndef DT_PROCNUM
13#define DT_PROCNUM 0
14#endif
15
16/*
17 * struct link_map is a part of the protocol between the debugger and
18 * ld.so. ld.so may have additional fields in its version of this
19 * structure but those are ld.so private fields.
20 */
21struct link_map {
22	caddr_t		l_addr;		/* Base address of library */
23	const char	*l_name;	/* Absolute path to library */
24	void		*l_ld;		/* pointer to _DYNAMIC */
25	struct link_map	*l_next;
26	struct link_map	*l_prev;
27};
28
29struct dl_phdr_info {
30	Elf_Addr	dlpi_addr;
31	const char	*dlpi_name;
32	const Elf_Phdr	*dlpi_phdr;
33	Elf_Half	dlpi_phnum;
34};
35
36__BEGIN_DECLS
37int	dl_iterate_phdr (int (*)(struct dl_phdr_info *, size_t, void *),
38	   void *);
39void	*dl_unwind_find_exidx(const void *, int *);
40__END_DECLS
41
42#endif /* !_LINK_ELF_H */
43