Current Dir: /usr/include/
[DIR] arpa [ delete | rename ]
[DIR] asm [ delete | rename ]
[DIR] asm-generic [ delete | rename ]
[DIR] bind9 [ delete | rename ]
[DIR] bits [ delete | rename ]
[DIR] blkid [ delete | rename ]
[DIR] brotli [ delete | rename ]
[DIR] bsock [ delete | rename ]
[DIR] c++ [ delete | rename ]
[DIR] criu-lve [ delete | rename ]
[DIR] drm [ delete | rename ]
[DIR] e2p [ delete | rename ]
[DIR] et [ delete | rename ]
[DIR] event2 [ delete | rename ]
[DIR] ext2fs [ delete | rename ]
[DIR] finclude [ delete | rename ]
[DIR] fontconfig [ delete | rename ]
[DIR] freetype2 [ delete | rename ]
[DIR] fstrm [ delete | rename ]
[DIR] fwctl [ delete | rename ]
[DIR] gdbm [ delete | rename ]
[DIR] gio-unix-2.0 [ delete | rename ]
[DIR] GL [ delete | rename ]
[DIR] glib-2.0 [ delete | rename ]
[DIR] gnu [ delete | rename ]
[DIR] google [ delete | rename ]
[DIR] graphite2 [ delete | rename ]
[DIR] gssapi [ delete | rename ]
[DIR] gssrpc [ delete | rename ]
[DIR] harfbuzz [ delete | rename ]
[DIR] json-c [ delete | rename ]
[DIR] kadm5 [ delete | rename ]
[DIR] krb5 [ delete | rename ]
[DIR] libexslt [ delete | rename ]
[DIR] libltdl [ delete | rename ]
[DIR] libmount [ delete | rename ]
[DIR] libpng16 [ delete | rename ]
[DIR] libxml2 [ delete | rename ]
[DIR] libxslt [ delete | rename ]
[DIR] linux [ delete | rename ]
[DIR] lve [ delete | rename ]
[DIR] lzma [ delete | rename ]
[DIR] misc [ delete | rename ]
[DIR] mtd [ delete | rename ]
[DIR] mysql [ delete | rename ]
[DIR] ncurses [ delete | rename ]
[DIR] ncursesw [ delete | rename ]
[DIR] net [ delete | rename ]
[DIR] netash [ delete | rename ]
[DIR] netatalk [ delete | rename ]
[DIR] netax25 [ delete | rename ]
[DIR] neteconet [ delete | rename ]
[DIR] netinet [ delete | rename ]
[DIR] netipx [ delete | rename ]
[DIR] netiucv [ delete | rename ]
[DIR] netpacket [ delete | rename ]
[DIR] netrom [ delete | rename ]
[DIR] netrose [ delete | rename ]
[DIR] nfs [ delete | rename ]
[DIR] openssl [ delete | rename ]
[DIR] pcp [ delete | rename ]
[DIR] protobuf-c [ delete | rename ]
[DIR] protocols [ delete | rename ]
[DIR] python3.9 [ delete | rename ]
[DIR] rdma [ delete | rename ]
[DIR] rpc [ delete | rename ]
[DIR] rpcsvc [ delete | rename ]
[DIR] scsi [ delete | rename ]
[DIR] security [ delete | rename ]
[DIR] selinux [ delete | rename ]
[DIR] sepol [ delete | rename ]
[DIR] sound [ delete | rename ]
[DIR] sys [ delete | rename ]
[DIR] sysprof-4 [ delete | rename ]
[DIR] tirpc [ delete | rename ]
[DIR] unicode [ delete | rename ]
[DIR] video [ delete | rename ]
[DIR] webp [ delete | rename ]
[DIR] X11 [ delete | rename ]
[DIR] xcb [ delete | rename ]
[DIR] xen [ delete | rename ]
[FILE] a.out.h [ edit | delete | rename ]
[FILE] aio.h [ edit | delete | rename ]
[FILE] aliases.h [ edit | delete | rename ]
[FILE] alloca.h [ edit | delete | rename ]
[FILE] ar.h [ edit | delete | rename ]
[FILE] argp.h [ edit | delete | rename ]
[FILE] argz.h [ edit | delete | rename ]
[FILE] assert.h [ edit | delete | rename ]
[FILE] autosprintf.h [ edit | delete | rename ]
[FILE] byteswap.h [ edit | delete | rename ]
[FILE] bzlib.h [ edit | delete | rename ]
[FILE] complex.h [ edit | delete | rename ]
[FILE] com_err.h [ edit | delete | rename ]
[FILE] cpio.h [ edit | delete | rename ]
[FILE] cpuidle.h [ edit | delete | rename ]
[FILE] crypt.h [ edit | delete | rename ]
[FILE] ctype.h [ edit | delete | rename ]
[FILE] curses.h [ edit | delete | rename ]
[FILE] cursesapp.h [ edit | delete | rename ]
[FILE] cursesf.h [ edit | delete | rename ]
[FILE] cursesm.h [ edit | delete | rename ]
[FILE] cursesp.h [ edit | delete | rename ]
[FILE] cursesw.h [ edit | delete | rename ]
[FILE] cursslk.h [ edit | delete | rename ]
[FILE] dbm.h [ edit | delete | rename ]
[FILE] dirent.h [ edit | delete | rename ]
[FILE] dlfcn.h [ edit | delete | rename ]
[FILE] elf.h [ edit | delete | rename ]
[FILE] endian.h [ edit | delete | rename ]
[FILE] entities.h [ edit | delete | rename ]
[FILE] envz.h [ edit | delete | rename ]
[FILE] err.h [ edit | delete | rename ]
[FILE] errno.h [ edit | delete | rename ]
[FILE] error.h [ edit | delete | rename ]
[FILE] eti.h [ edit | delete | rename ]
[FILE] etip.h [ edit | delete | rename ]
[FILE] evdns.h [ edit | delete | rename ]
[FILE] event.h [ edit | delete | rename ]
[FILE] evhttp.h [ edit | delete | rename ]
[FILE] evrpc.h [ edit | delete | rename ]
[FILE] evutil.h [ edit | delete | rename ]
[FILE] execinfo.h [ edit | delete | rename ]
[FILE] expat.h [ edit | delete | rename ]
[FILE] expat_config.h [ edit | delete | rename ]
[FILE] expat_external.h [ edit | delete | rename ]
[FILE] fcntl.h [ edit | delete | rename ]
[FILE] features-time64.h [ edit | delete | rename ]
[FILE] features.h [ edit | delete | rename ]
[FILE] fenv.h [ edit | delete | rename ]
[FILE] ffi-x86_64.h [ edit | delete | rename ]
[FILE] ffi.h [ edit | delete | rename ]
[FILE] ffitarget-x86_64.h [ edit | delete | rename ]
[FILE] ffitarget.h [ edit | delete | rename ]
[FILE] FlexLexer.h [ edit | delete | rename ]
[FILE] fmtmsg.h [ edit | delete | rename ]
[FILE] fnmatch.h [ edit | delete | rename ]
[FILE] form.h [ edit | delete | rename ]
[FILE] fpu_control.h [ edit | delete | rename ]
[FILE] fstab.h [ edit | delete | rename ]
[FILE] fstrm.h [ edit | delete | rename ]
[FILE] fts.h [ edit | delete | rename ]
[FILE] ftw.h [ edit | delete | rename ]
[FILE] gconv.h [ edit | delete | rename ]
[FILE] gd.h [ edit | delete | rename ]
[FILE] gdbm.h [ edit | delete | rename ]
[FILE] gdcache.h [ edit | delete | rename ]
[FILE] gdfontg.h [ edit | delete | rename ]
[FILE] gdfontl.h [ edit | delete | rename ]
[FILE] gdfontmb.h [ edit | delete | rename ]
[FILE] gdfonts.h [ edit | delete | rename ]
[FILE] gdfontt.h [ edit | delete | rename ]
[FILE] gdfx.h [ edit | delete | rename ]
[FILE] gdpp.h [ edit | delete | rename ]
[FILE] gd_color_map.h [ edit | delete | rename ]
[FILE] gd_errors.h [ edit | delete | rename ]
[FILE] gd_io.h [ edit | delete | rename ]
[FILE] gelf.h [ edit | delete | rename ]
[FILE] getopt.h [ edit | delete | rename ]
[FILE] gettext-po.h [ edit | delete | rename ]
[FILE] glob.h [ edit | delete | rename ]
[FILE] gnu-versions.h [ edit | delete | rename ]
[FILE] gnumake.h [ edit | delete | rename ]
[FILE] gpg-error.h [ edit | delete | rename ]
[FILE] gpgrt.h [ edit | delete | rename ]
[FILE] grp.h [ edit | delete | rename ]
[FILE] gshadow.h [ edit | delete | rename ]
[FILE] gssapi.h [ edit | delete | rename ]
[FILE] iconv.h [ edit | delete | rename ]
[FILE] idn-free.h [ edit | delete | rename ]
[FILE] idn-int.h [ edit | delete | rename ]
[FILE] idna.h [ edit | delete | rename ]
[FILE] ieee754.h [ edit | delete | rename ]
[FILE] ifaddrs.h [ edit | delete | rename ]
[FILE] inttypes.h [ edit | delete | rename ]
[FILE] jconfig-64.h [ edit | delete | rename ]
[FILE] jconfig.h [ edit | delete | rename ]
[FILE] jerror.h [ edit | delete | rename ]
[FILE] jmorecfg.h [ edit | delete | rename ]
[FILE] jpegint.h [ edit | delete | rename ]
[FILE] jpeglib.h [ edit | delete | rename ]
[FILE] kdb.h [ edit | delete | rename ]
[FILE] keyutils.h [ edit | delete | rename ]
[FILE] krad.h [ edit | delete | rename ]
[FILE] krb5.h [ edit | delete | rename ]
[FILE] langinfo.h [ edit | delete | rename ]
[FILE] lastlog.h [ edit | delete | rename ]
[FILE] libaio.h [ edit | delete | rename ]
[FILE] libelf.h [ edit | delete | rename ]
[FILE] libgen.h [ edit | delete | rename ]
[FILE] libintl.h [ edit | delete | rename ]
[FILE] libtasn1.h [ edit | delete | rename ]
[FILE] limits.h [ edit | delete | rename ]
[FILE] link.h [ edit | delete | rename ]
[FILE] lmdb.h [ edit | delete | rename ]
[FILE] locale.h [ edit | delete | rename ]
[FILE] ltdl.h [ edit | delete | rename ]
[FILE] lzma.h [ edit | delete | rename ]
[FILE] malloc.h [ edit | delete | rename ]
[FILE] math.h [ edit | delete | rename ]
[FILE] maxminddb.h [ edit | delete | rename ]
[FILE] maxminddb_config-64.h [ edit | delete | rename ]
[FILE] maxminddb_config.h [ edit | delete | rename ]
[FILE] mcheck.h [ edit | delete | rename ]
[FILE] memory.h [ edit | delete | rename ]
[FILE] menu.h [ edit | delete | rename ]
[FILE] mntent.h [ edit | delete | rename ]
[FILE] monetary.h [ edit | delete | rename ]
[FILE] mqueue.h [ edit | delete | rename ]
[FILE] ncurses.h [ edit | delete | rename ]
[FILE] ncurses_dll.h [ edit | delete | rename ]
[FILE] nc_tparm.h [ edit | delete | rename ]
[FILE] ndbm.h [ edit | delete | rename ]
[FILE] netdb.h [ edit | delete | rename ]
[FILE] nlist.h [ edit | delete | rename ]
[FILE] nl_types.h [ edit | delete | rename ]
[FILE] nss.h [ edit | delete | rename ]
[FILE] obstack.h [ edit | delete | rename ]
[FILE] panel.h [ edit | delete | rename ]
[FILE] paths.h [ edit | delete | rename ]
[FILE] pcre.h [ edit | delete | rename ]
[FILE] pcre2.h [ edit | delete | rename ]
[FILE] pcre2posix.h [ edit | delete | rename ]
[FILE] pcrecpp.h [ edit | delete | rename ]
[FILE] pcrecpparg.h [ edit | delete | rename ]
[FILE] pcreposix.h [ edit | delete | rename ]
[FILE] pcre_scanner.h [ edit | delete | rename ]
[FILE] pcre_stringpiece.h [ edit | delete | rename ]
[FILE] png.h [ edit | delete | rename ]
[FILE] pngconf.h [ edit | delete | rename ]
[FILE] pnglibconf.h [ edit | delete | rename ]
[FILE] poll.h [ edit | delete | rename ]
[FILE] powercap.h [ edit | delete | rename ]
[FILE] pr29.h [ edit | delete | rename ]
[FILE] printf.h [ edit | delete | rename ]
[FILE] proc_service.h [ edit | delete | rename ]
[FILE] profile.h [ edit | delete | rename ]
[FILE] pthread.h [ edit | delete | rename ]
[FILE] pty.h [ edit | delete | rename ]
[FILE] punycode.h [ edit | delete | rename ]
[FILE] pwd.h [ edit | delete | rename ]
[FILE] regex.h [ edit | delete | rename ]
[FILE] regexp.h [ edit | delete | rename ]
[FILE] resolv.h [ edit | delete | rename ]
[FILE] re_comp.h [ edit | delete | rename ]
[FILE] sched.h [ edit | delete | rename ]
[FILE] search.h [ edit | delete | rename ]
[FILE] semaphore.h [ edit | delete | rename ]
[FILE] setjmp.h [ edit | delete | rename ]
[FILE] sgtty.h [ edit | delete | rename ]
[FILE] shadow.h [ edit | delete | rename ]
[FILE] signal.h [ edit | delete | rename ]
[FILE] spawn.h [ edit | delete | rename ]
[FILE] stab.h [ edit | delete | rename ]
[FILE] stdc-predef.h [ edit | delete | rename ]
[FILE] stdint.h [ edit | delete | rename ]
[FILE] stdio.h [ edit | delete | rename ]
[FILE] stdio_ext.h [ edit | delete | rename ]
[FILE] stdlib.h [ edit | delete | rename ]
[FILE] string.h [ edit | delete | rename ]
[FILE] stringprep.h [ edit | delete | rename ]
[FILE] strings.h [ edit | delete | rename ]
[FILE] syscall.h [ edit | delete | rename ]
[FILE] sysexits.h [ edit | delete | rename ]
[FILE] syslog.h [ edit | delete | rename ]
[FILE] tar.h [ edit | delete | rename ]
[FILE] term.h [ edit | delete | rename ]
[FILE] termcap.h [ edit | delete | rename ]
[FILE] termio.h [ edit | delete | rename ]
[FILE] termios.h [ edit | delete | rename ]
[FILE] term_entry.h [ edit | delete | rename ]
[FILE] tgmath.h [ edit | delete | rename ]
[FILE] threads.h [ edit | delete | rename ]
[FILE] thread_db.h [ edit | delete | rename ]
[FILE] tic.h [ edit | delete | rename ]
[FILE] tiff.h [ edit | delete | rename ]
[FILE] tiffconf-64.h [ edit | delete | rename ]
[FILE] tiffconf.h [ edit | delete | rename ]
[FILE] tiffio.h [ edit | delete | rename ]
[FILE] tiffio.hxx [ edit | delete | rename ]
[FILE] tiffvers.h [ edit | delete | rename ]
[FILE] time.h [ edit | delete | rename ]
[FILE] tld.h [ edit | delete | rename ]
[FILE] ttyent.h [ edit | delete | rename ]
[FILE] uchar.h [ edit | delete | rename ]
[FILE] ucontext.h [ edit | delete | rename ]
[FILE] ulimit.h [ edit | delete | rename ]
[FILE] unctrl.h [ edit | delete | rename ]
[FILE] unistd.h [ edit | delete | rename ]
[FILE] utime.h [ edit | delete | rename ]
[FILE] utmp.h [ edit | delete | rename ]
[FILE] utmpx.h [ edit | delete | rename ]
[FILE] values.h [ edit | delete | rename ]
[FILE] verto-module.h [ edit | delete | rename ]
[FILE] verto.h [ edit | delete | rename ]
[FILE] wait.h [ edit | delete | rename ]
[FILE] wchar.h [ edit | delete | rename ]
[FILE] wctype.h [ edit | delete | rename ]
[FILE] wordexp.h [ edit | delete | rename ]
[FILE] zconf.h [ edit | delete | rename ]
[FILE] zdict.h [ edit | delete | rename ]
[FILE] zlib.h [ edit | delete | rename ]
[FILE] zstd.h [ edit | delete | rename ]
[FILE] zstd_errors.h [ edit | delete | rename ]
Viewing: /usr/include/link.h
/* Data structure for communication from the run-time dynamic linker for
loaded ELF shared objects.
Copyright (C) 1995-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _LINK_H
#define _LINK_H 1
#include <features.h>
#include <elf.h>
#include <dlfcn.h>
#include <sys/types.h>
/* We use this macro to refer to ELF types independent of the native wordsize.
`ElfW(TYPE)' is used in place of `Elf32_TYPE' or `Elf64_TYPE'. */
#define ElfW(type) _ElfW (Elf, __ELF_NATIVE_CLASS, type)
#define _ElfW(e,w,t) _ElfW_1 (e, w, _##t)
#define _ElfW_1(e,w,t) e##w##t
#include <bits/elfclass.h> /* Defines __ELF_NATIVE_CLASS. */
#include <bits/link.h>
/* The legacy rendezvous structure used by the run-time dynamic linker to
communicate details of shared object loading to the debugger. */
struct r_debug
{
/* Version number for this protocol. It should be greater than 0. */
int r_version;
struct link_map *r_map; /* Head of the chain of loaded objects. */
/* This is the address of a function internal to the run-time linker,
that will always be called when the linker begins to map in a
library or unmap it, and again when the mapping change is complete.
The debugger can set a breakpoint at this address if it wants to
notice shared object mapping changes. */
ElfW(Addr) r_brk;
enum
{
/* This state value describes the mapping change taking place when
the `r_brk' address is called. */
RT_CONSISTENT, /* Mapping change is complete. */
RT_ADD, /* Beginning to add a new object. */
RT_DELETE /* Beginning to remove an object mapping. */
} r_state;
ElfW(Addr) r_ldbase; /* Base address the linker is loaded at. */
};
/* This is the symbol of that structure provided by the dynamic linker. */
extern struct r_debug _r_debug;
/* The extended rendezvous structure used by the run-time dynamic linker
to communicate details of shared object loading to the debugger. If
the executable's dynamic section has a DT_DEBUG element, the run-time
linker sets that element's value to the address where this structure
can be found. */
struct r_debug_extended
{
struct r_debug base;
/* The following field is added by r_version == 2. */
/* Link to the next r_debug_extended structure. Each r_debug_extended
structure represents a different namespace. The first
r_debug_extended structure is for the default namespace. */
struct r_debug_extended *r_next;
};
/* This symbol refers to the "dynamic structure" in the `.dynamic' section
of whatever module refers to `_DYNAMIC'. So, to find its own
`struct r_debug_extended', a program could do:
for (dyn = _DYNAMIC; dyn->d_tag != DT_NULL; ++dyn)
if (dyn->d_tag == DT_DEBUG)
r_debug_extended = (struct r_debug_extended *) dyn->d_un.d_ptr;
*/
extern ElfW(Dyn) _DYNAMIC[];
/* Structure describing a loaded shared object. The `l_next' and `l_prev'
members form a chain of all the shared objects loaded at startup.
These data structures exist in space used by the run-time dynamic linker;
modifying them may have disastrous results. */
struct link_map
{
/* These first few members are part of the protocol with the debugger.
This is the same format used in SVR4. */
ElfW(Addr) l_addr; /* Difference between the address in the ELF
file and the addresses in memory. */
char *l_name; /* Absolute file name object was found in. */
ElfW(Dyn) *l_ld; /* Dynamic section of the shared object. */
struct link_map *l_next, *l_prev; /* Chain of loaded objects. */
};
#ifdef __USE_GNU
/* Version numbers for la_version handshake interface. */
#include <bits/link_lavcurrent.h>
/* Activity types signaled through la_activity. */
enum
{
LA_ACT_CONSISTENT, /* Link map consistent again. */
LA_ACT_ADD, /* New object will be added. */
LA_ACT_DELETE /* Objects will be removed. */
};
/* Values representing origin of name for dynamic loading. */
enum
{
LA_SER_ORIG = 0x01, /* Original name. */
LA_SER_LIBPATH = 0x02, /* Directory from LD_LIBRARY_PATH. */
LA_SER_RUNPATH = 0x04, /* Directory from RPATH/RUNPATH. */
LA_SER_CONFIG = 0x08, /* Found through ldconfig. */
LA_SER_DEFAULT = 0x40, /* Default directory. */
LA_SER_SECURE = 0x80 /* Unused. */
};
/* Values for la_objopen return value. */
enum
{
LA_FLG_BINDTO = 0x01, /* Audit symbols bound to this object. */
LA_FLG_BINDFROM = 0x02 /* Audit symbols bound from this object. */
};
/* Values for la_symbind flags parameter. */
enum
{
LA_SYMB_NOPLTENTER = 0x01, /* la_pltenter will not be called. */
LA_SYMB_NOPLTEXIT = 0x02, /* la_pltexit will not be called. */
LA_SYMB_STRUCTCALL = 0x04, /* Return value is a structure. */
LA_SYMB_DLSYM = 0x08, /* Binding due to dlsym call. */
LA_SYMB_ALTVALUE = 0x10 /* Value has been changed by a previous
la_symbind call. */
};
struct dl_phdr_info
{
ElfW(Addr) dlpi_addr;
const char *dlpi_name;
const ElfW(Phdr) *dlpi_phdr;
ElfW(Half) dlpi_phnum;
/* Note: Following members were introduced after the first
version of this structure was available. Check the SIZE
argument passed to the dl_iterate_phdr callback to determine
whether or not each later member is available. */
/* Incremented when a new object may have been added. */
__extension__ unsigned long long int dlpi_adds;
/* Incremented when an object may have been removed. */
__extension__ unsigned long long int dlpi_subs;
/* If there is a PT_TLS segment, its module ID as used in
TLS relocations, else zero. */
size_t dlpi_tls_modid;
/* The address of the calling thread's instance of this module's
PT_TLS segment, if it has one and it has been allocated
in the calling thread, otherwise a null pointer. */
void *dlpi_tls_data;
};
__BEGIN_DECLS
extern int dl_iterate_phdr (int (*__callback) (struct dl_phdr_info *,
size_t, void *),
void *__data);
/* Prototypes for the ld.so auditing interfaces. These are not
defined anywhere in ld.so but instead have to be provided by the
auditing DSO. */
extern unsigned int la_version (unsigned int __version);
extern void la_activity (uintptr_t *__cookie, unsigned int __flag);
extern char *la_objsearch (const char *__name, uintptr_t *__cookie,
unsigned int __flag);
extern unsigned int la_objopen (struct link_map *__map, Lmid_t __lmid,
uintptr_t *__cookie);
extern void la_preinit (uintptr_t *__cookie);
extern uintptr_t la_symbind32 (Elf32_Sym *__sym, unsigned int __ndx,
uintptr_t *__refcook, uintptr_t *__defcook,
unsigned int *__flags, const char *__symname);
extern uintptr_t la_symbind64 (Elf64_Sym *__sym, unsigned int __ndx,
uintptr_t *__refcook, uintptr_t *__defcook,
unsigned int *__flags, const char *__symname);
extern unsigned int la_objclose (uintptr_t *__cookie);
__END_DECLS
#endif
#endif /* link.h */