1/* $NetBSD: link_elf.h,v 1.10 2010/10/16 10:27:06 skrll Exp $ */
2
3#ifndef _LINK_ELF_H_
4#define _LINK_ELF_H_
5
6#include <sys/types.h>
7#include <sys/exec_elf.h>
8
9typedef struct link_map {
10 caddr_t l_addr; /* Base Address of library */
11#ifdef __mips__
12 caddr_t l_offs; /* Load Offset of library */
13#endif
14 const char *l_name; /* Absolute Path to Library */
15 void *l_ld; /* Pointer to .dynamic in memory */
16 struct link_map *l_next; /* linked list of of mapped libs */
17 struct link_map *l_prev;
18} Link_map;
19
20/*
21 * This only exists for GDB.
22 */
23struct r_debug {
24 int r_version; /* not used */
25 struct link_map *r_map; /* list of loaded images */
26 void (*r_brk)(void); /* pointer to break point */
27 enum {
28 RT_CONSISTENT, /* things are stable */
29 RT_ADD, /* adding a shared library */
30 RT_DELETE /* removing a shared library */
31 } r_state;
32};
33
34struct dl_phdr_info
35{
36 Elf_Addr dlpi_addr; /* module relocation base */
37 const char *dlpi_name; /* module name */
38 const Elf_Phdr *dlpi_phdr; /* pointer to module's phdr */
39 Elf_Half dlpi_phnum; /* number of entries in phdr */
40 unsigned long long int dlpi_adds; /* total # of loads */
41 unsigned long long int dlpi_subs; /* total # of unloads */
42 size_t dlpi_tls_modid;
43 void *dlpi_tls_data;
44};
45
46__BEGIN_DECLS
47
48int dl_iterate_phdr(int (*)(struct dl_phdr_info *, size_t, void *),
49 void *);
50
51__END_DECLS
52
53#endif /* _LINK_ELF_H_ */
54