100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 1993 Paul Kranenburg
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Paul Kranenburg.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* RRS section definitions.
|
|
*
|
|
* The layout of some data structures defined in this header file is
|
|
* such that we can provide compatibility with the SunOS 4.x shared
|
|
* library scheme.
|
|
*/
|
|
|
|
#ifndef _SYS_LINK_ELF_H_
|
|
#define _SYS_LINK_ELF_H_
|
|
|
|
#include <sys/elf.h>
|
|
|
|
/*
|
|
* Flags that describe the origin of the entries in Dl_serinfo.
|
|
* SunOS has these in <sys/link.h>, we follow the suit.
|
|
*/
|
|
#define LA_SER_ORIG 0x01 /* original (needed) name */
|
|
#define LA_SER_LIBPATH 0x02 /* LD_LIBRARY_PATH entry prepended */
|
|
#define LA_SER_RUNPATH 0x04 /* runpath entry prepended */
|
|
#define LA_SER_CONFIG 0x08 /* configuration entry prepended */
|
|
#define LA_SER_DEFAULT 0x40 /* default path prepended */
|
|
#define LA_SER_SECURE 0x80 /* default (secure) path prepended */
|
|
|
|
typedef struct link_map {
|
|
caddr_t l_addr; /* Base Address of library */
|
|
#ifdef __mips__
|
|
caddr_t l_offs; /* Load Offset of library */
|
|
#endif
|
|
const char *l_name; /* Absolute Path to Library */
|
|
const void *l_ld; /* Pointer to .dynamic in memory */
|
|
struct link_map *l_next, *l_prev; /* linked list of of mapped libs */
|
|
} Link_map;
|
|
|
|
struct r_debug {
|
|
int r_version; /* not used */
|
|
struct link_map *r_map; /* list of loaded images */
|
|
void (*r_brk)(struct r_debug *, struct link_map *);
|
|
/* pointer to break point */
|
|
enum {
|
|
RT_CONSISTENT, /* things are stable */
|
|
RT_ADD, /* adding a shared library */
|
|
RT_DELETE /* removing a shared library */
|
|
} r_state;
|
|
};
|
|
|
|
struct dl_phdr_info
|
|
{
|
|
Elf_Addr dlpi_addr; /* module relocation base */
|
|
const char *dlpi_name; /* module name */
|
|
const Elf_Phdr *dlpi_phdr; /* pointer to module's phdr */
|
|
Elf_Half dlpi_phnum; /* number of entries in phdr */
|
|
unsigned long long int dlpi_adds; /* total # of loads */
|
|
unsigned long long int dlpi_subs; /* total # of unloads */
|
|
size_t dlpi_tls_modid;
|
|
void *dlpi_tls_data;
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
|
|
typedef int (*__dl_iterate_hdr_callback)(struct dl_phdr_info *, size_t,
|
|
void *);
|
|
extern int dl_iterate_phdr(__dl_iterate_hdr_callback, void *);
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* _SYS_LINK_ELF_H_ */
|