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-rw-r--r--ldso/README841
-rw-r--r--ldso/man/Makefile22
-rw-r--r--ldso/man/dlopen.3217
-rw-r--r--ldso/man/ld.so.8113
-rw-r--r--ldso/man/ld.so.texi411
-rw-r--r--ldso/man/ldconfig.8189
-rw-r--r--ldso/man/ldd.159
7 files changed, 0 insertions, 1852 deletions
diff --git a/ldso/README b/ldso/README
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--- a/ldso/README
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@@ -1,841 +0,0 @@
-
-Apr 20, 2001 -- Manuel Novoa III
-
-Inital port for uClibc from debian ld.so_1.9.11-9.tar.gz.
-
-Removed a.out support.
-
-****************** original ld.so.lsm file **************************
-Begin3
-Title: Linux shared, dynamic linker and utilities.
-Version: 1.9.11
-Entered-date: 01MAY99
-Description: This package contains ld.so, ld-linux.so, ldconfig,
- ldd and libdl.
-Keywords: dynamic linker, shared library, ld.so, ld-linux.so,
- ldconfig, ldd, libdl
-Author: david@ods.com (David Engel)
-Maintained-by: david@ods.com (David Engel)
-Primary-site: tsx-11.mit.edu /pub/linux/packages/GCC
- ld.so-1.9.11.tar.gz
-Alternate-site: sunsite.unc.edu /pub/Linux/GCC
- ld.so-1.9.11.tar.gz
-Platform: Linux 2.0.0 or later.
-Copying-policy: Copyrighted but freely distributable.
-End
-*********************************************************************
- Original README starts here
-*********************************************************************
-
-This package contains my ELF dynamic linkers (ld-linux.so.1), dynamic
-linker library (libdl.so.1) and utilities (ldconfig and ldd) for Linux.
-
-You need Linux kernel 2.0.0 or later with ELF support compiled in
-(i.e. not loaded as a module) to use this package.
-
-The dynamic linker is used to bootstrap programs and load shared
-libraries at startup. The dynamic linker library is used to
-dynamically load shared libraries after a program is running.
-Ldconfig is used to automatically update the symbolic links to shared
-libraries and build the cache file used by the dynamic linker. Ldd is
-used to list the shared libraries used by a program.
-
-Please see the included manual pages for further details.
-
-To install, simply run "sh instldso.sh" as root. Ready-to-go versions
-of all end-products are provided so nothing should need to be compiled
-or linked. If you are still using libc5 as your primary development
-library, you should use the "--devfiles" option when running
-instldso.sh to install the file needed to compile with libdl.
-
-ELF versions of gcc, binutils and libc are now required to compile
-everything, including the old, unsupported, a.out dynamic linker.
-Finally, an optimization level of O2 or higher must be used to compile
-ld-linux.so and libdl.so due the use of inline functions.
-
-Notable contributors to this package include Eric Youngdale, Peter
-MacDonald, Hongjiu Lu, Linus Torvalds, Lars Wirzenius, Mitch D'Souza,
-Rik Faith, Andreas Schwab and Adam Richter (not necessarily in that
-order).
-
-###################### IMPORTANT NOTICES #############################
-
-A.OUT SUPPORT:
-
-As of ld.so-1.9.0, the old, a.out dynamic loader is no longer
-officially supported. The code is still included and built, but I
-make no promises that it will work. I will accept patches for it,
-but they will not be tested by me.
-
-GLIBC (AKA LIBC6) SUPPORT:
-
-As of ld.so-1.9.0, the main focus of this package is to ease the
-transition to libc6. No significant, new features are expected to be
-added. If you need new features, switch to libc6.
-
-Except for libpthread.so, the sonames of the core libraries provided
-with libc6 have been chosen so they do not conflict with those
-provided by libc5 and ld.so. However, the current plan is not use
-new, nonconflicting sonames for other libraries such as ncurses and
-X11. This presents two problems. First, libraries using the same
-soname for both libc5 and libc6 can not be placed in the same
-directory. Second, the dynamic linkers need to make sure not to load
-a library for the wrong version of libc.
-
-The first problem is easy. Just move the old, libc5-based libraries
-to new directories (e.g. /lib/libc5-compat, /usr/lib/libc5-compat,
-etc.) and add those directories to /etc/ld.so.conf. Then install the
-new, libc6-based versions in the standard places.
-
-The second problem is more difficult. Ideally, the dynamic linkers
-would be changed to perform a complete dependency analysis on every
-library to be loaded to make sure the wrong versions aren't used.
-This approach doesn't seem worth the added complexity, especially
-since we now have symbol versioning for ELF libraries. Instead a
-simpler approach will be used, at least initially.
-
-Ldconfig has been modified to perform a (currently simple) dependency
-analysis on libraries and to store an indication in /etc/ld.so.cache
-of whether a library is for libc5, libc6 or an unknown libc. The
-dynamic linkers then only need to make a simple check at run-time to
-make sure they don't load the wrong version of a library.
-
-The dynamic linker for libc5 provided in this package, has already
-been modified to use the new information in /etc/ld.so.cache. For
-glibc versions 2.0.1 and earlier, the dynamic linker for libc6 needs
-the patch contained in glibc.patch. You should apply the patch and
-rebuild glibc before using the new ldconfig.
-
-As stated above, the dependency analysis currently done by ldconfig is
-rather simple. Basically, it looks for the sonames used by the
-various versions of libc, libm and libdl. For any approach using a
-dependency analysis such as this to work, it is very important that
-shared libraries be built with complete dependency information. This
-can be done by using the appropriate -l options when running 'gcc
--shared'. For example, when building libfoo.so which depends on libc
-and libbar, you should add -lbar and -lc gcc command line.
-
-######################################################################
-
-Changes in version 1.9.11:
-
- Fixed a bug in ld-linux.so where a reference to an
- undefined symbol could cause a segfault.
-
- Added a clarification for LD_PRELOAD to the ld.so manual
- page and added a symlink for ld-linux.so (Bug#33123).
-
- Don't install ldd for Debian except for the m68k arch
- because glibc 2.1 now includes it (Bug#35458).
-
-Changes in version 1.9.10:
-
- Changed ldconfig to issue a warning and not overwrite a
- regular file with a symlink (Bug#30859).
-
- Changed Debian packaging to conflict with and replace the
- ldconfig package (Bug#29398).
-
-Changes in version 1.9.9:
-
- Changed ld-linux.so and libdl.so to match glibc by not
- allowing user preloads of system libraries into setu/gid
- binaries unless the library itself is setuid.
-
- Fixed problems in ld-linux.so on the sparc architecture
- (Juan Cespedes).
-
-Changes in version 1.9.8:
-
- Changed ldconfig to allow the expected type for all
- libraries in a directory to be optionally specified
- (Mark Phillips). See the ldconfig man page.
-
- Changed ldconfig to use the same type names used in the
- change above when the -p option is used.
-
-Changes in version 1.9.7:
-
- Changed ldd for m68k to use /lib/ld.so.1 instead of
- /lib/ld-linux.so.2.
-
- Added support for dladdr to libdl.so (Eduard Gode).
-
- Fixed a small memory leak in libdl.so (Richard Garnish).
-
- Fixed a bug in ldconfig when the -l option was used on a
- filename without a '/' in it.
-
- Updated the man pages (Bug#6404, Bug#9721, Bug#10652,
- Bug#13494 and Bug#14127). They could still use some work.
-
- No longer install the info page since it's way out of date.
-
- Fixed minor Debian packaging problems (Bug#13160,
- Bug#15577 and Bug#19345).
-
-Changes in version 1.9.6:
-
- Changed ldd to not use the glibc dynamic linker when run
- on a libc5-based shared library.
-
- Added a -q option to ldconfig which causes warnings not
- to be printed (Bob Tinsley).
-
- Dropped support for the Debian libdl1-dev package.
-
- Changed ld-linux.so to be compilable with gcc 2.8.0 (Sven
- Verdoolaege)
-
-Changes in version 1.9.5:
-
- Fixed a bug in ldd where ld-linux.so.2 was not called
- correctly when run on shared libraries.
-
- Fixed a problem in the previous version where some
- Makefiles were not architecture independent.
-
-Changes in version 1.9.4:
-
- Fixed a bug in ld.so introduced in the previous version
- which broke preloads.
-
- Turned a.out support back on by default, at least for the
- time being. There are no promises to keep it.
-
-Changes in version 1.9.3:
-
- Fixed buffer overflow bugs in ld-linux.so and ld.so.
-
- Changed the README file a little to clarify a couple of
- things.
-
- Changed ldconfig to chroot to the specified directory when
- the new -r option is used (Bob Tinsley).
-
-Changes in version 1.9.2:
-
- Removed /usr/local/lib from the default /etc/ld.so.conf
- for Debian (Bug#8181).
-
- Changed ldconfig to be 64-bit clean (H.J. Lu).
-
-Changes in version 1.9.1:
-
- Changed ldconfig to try to determine which libc a
- library is for even if it doesn't have an soname.
-
- Fixed a bug in ldconfig where an older library using
- the glibc naming convention would be used instead of
- a newer library.
-
- Changed to ld-linux.so and libdl.so to not require the
- libc5 headers in order to compile.
-
- Changed ldconfig and ldd to be compilable with either
- libc5 or libc6.
-
-Changes in version 1.9.0:
-
- Changed to not build the old, a.out dynamic loader by
- default.
-
- Changed instldso.sh to require the --force option to
- make sure users read the README file.
-
- Changed instldso.sh to not install the libdl.so
- development files unless the --devfiles option is used.
-
- Changed instldso.sh to not strip binaries and libraries
- if the --no-strip option is used.
-
- Changed the Debian packaging to put the development files
- which conflict with glibc in a new libdl1-dev package.
-
- Changed ldd to use the glibc dynamic linker, if it is
- available, when run on a shared library.
-
- Changed ld-linux.so to print the load addresses of
- libraries, ala glibc, when run by ldd.
-
- Changed ld-linux.so to allow the libraries listed in
- LD_PRELOAD to be separated by white space in addition to
- colons.
-
- Changed ld-linux.so to load the libraries listed in
- LD_PRELOAD for setu/gid programs as long as they can be
- loaded securely.
-
- Changed ldconfig to update the symlinks for the dynamic
- linkers.
-
- Changed ldconfig to try to determine if an ELF library is
- intended for libc5 or libc6 and save the infomation in the
- cache. The mechanism used is rather simplistic and may
- need to be enhanced.
-
- Changed ldconfig to print the type of ELF library when
- printing the cache.
-
- Changed ld-linux.so to only load ELF shared libraries for
- use with libc5 or an unknown libc.
-
-Changes in version 1.8.10:
-
- Fixed a bug in ldconfig where a symlink could be used
- instead of a regular file.
-
- Fixed a Debian packaging problem for the sparc
- architecture.
-
-Changes in version 1.8.9:
-
- Changed ldconfig to only cache the symlinks it creates.
- This make the behavior of the dynamic linkers consistent
- with how they would behave if a cache was not used.
-
- Changed ldconfig to cache the symlinks that it finds but
- use the name of the symlink as the soname instead of the
- actual soname.
-
-Changes in version 1.8.8:
-
- Minor documentation updates to reflect recent changes.
-
- Changed ld.so and ld-linux.so to perform more complete
- validation on ld.so.cache before using it.
-
- Changed ldconfig to accept libraries with inconsistent
- sonames since glibc is going to use them. A warning is
- still printed in debug mode.
-
- Changed the install script to not strip _dl_debug_state
- from ld-linux.so since gdb needs it.
-
- More sparc fixes (Derrick Brashear).
-
- Changed ldconfig to not issue a warning when a linker
- script disguised as a shared library is found.
-
- Fixed a bug in ld-linux.so where some registers were
- not preserved on the first call to a function causing
- problems for non-C-like languages (Tim Renouf).
-
- Fixed a bug in ld-linux.so where global variables were
- not always mapped correctly across dynamically loaded
- libraries (Mikihiko Nakao).
-
- Converted to new Debian source packaging format (Shaya
- Potter).
-
-Changes in version 1.8.6/7:
-
- Never released as some unofficial patches used these
- version numbers.
-
-Changes in version 1.8.5:
-
- Fixed a bug in ld.so introduced in the previous changes.
-
-Changes in version 1.8.4:
-
- Changed ldconfig to completely ignore symbolic links.
-
- Changed ldconfig to issue the warning concerning an
- inconsistent soname in non-verbose mode.
-
- Changed ld-linux.so back to not keep ld.so.cache mapped
- at all times.
-
- Changed Debian packaging to compress man pages, strip all
- binaries (Bug#5125) and include a shlibs file.
-
-Changes in version 1.8.3:
-
- Changed ld-linux.so to process LD_PRELOAD before
- /etc/ld.so.preload.
-
- Fixed a Debian packaging problem where libdl might not
- be available if other packages were upgraded at the same
- time (Debian Bug#4728).
-
- Changed ldd to always exit with status 1 if any errors
- occur (Debian Bug#4188).
-
- Fixed some minor problems in instldso.sh (Mike Castle and
- Wolfgang Franke).
-
- Changed ldconfig to issue a warning in verbose mode when
- skipping a library because the soname doesn't match.
-
- More sparc fixes (Miguel de Icaza).
-
- Don't link with -N when building ld.so (Alan Modra).
-
- Changed ld-linux.so to better support position-dependant
- libraries (NIIBE Yutaka).
-
-Changes in version 1.8.2:
-
- Added a texinfo file for ld.so and libdl (Michael
- Deutschmann).
-
- Minor sparc and installation changes (Elliot Lee).
-
- Added multiple architecture support for Debian (Leland
- Lucius).
-
- Changed libdl to better support RTLD_NEXT (Eric
- Youngdale). Note: the exact meaning of ETLD_NEXT is
- still not clear in all cases.
-
- Removed some libc dependencies from libdl. Still need
- to remove malloc and free.
-
-Changes in version 1.8.1:
-
- Changed ld.so to be compiled as ELF. This also means
- that ELF support is now required. A.out support is
- still optional.
-
- Changed ld-linux.so and libdl.so to use the rpath in the
- executable instead of in the invoking shared library.
-
- More m68k fixes (Andreas Schwab).
-
- Various sparc fixes (Miguel de Icaza).
-
- Changed ldcnnfig to ignore libraries ending in '~'.
-
- Changed ldconfig to allow alternative conf and cache
- files to be specified on the command-line.
-
- Changed libdl.so to work when dlsym is passed a NULL
- handle pointer.
-
-Changes in version 1.8.0:
-
- Changed ld-linux.so to be more liberal when checking to
- see if a library is already loaded. This should avoid
- the duplicate loading problem for programs linkeed with
- the -rpath option.
-
- Various m68k fixes (Andreas Schwab).
-
- Changed ld.so to only use LD_AOUT_LIBRARY_PATH and
- LD_AOUT_PRELOAD and ld-linux.so to only use
- LD_LIBRARY_PATH and LD_PRELOAD. LD_ELF_LIBRARY_PATH
- and LD_ELF_PRELOAD are no longer supported.
-
- Changed ld-linux.so to allow debugging of shared and
- dynamically loaded libraries (H.J. Lu, Andreas Schwab).
-
- Changed ld-linux.so to preload ELF shared libraries
- listed in /etc/ld.so.preload. This allows secure
- preloads, even for setuid/setgid programs.
-
- Changed ld-linux.so to keep ld.so.cache mapped at all
- times.
-
- Changed ldconfig to allow #-style comments in ld.so.conf.
-
- Removed various compiler warnings (Richard Sladkey and
- David Engel).
-
- Changed ldd to work on ELF shared libraries. This may
- need a little more work.
-
-Changes in version 1.7.14:
-
- Changed ldconfig to recognize ELF shared libraries
- generated by post-2.6 versions of ld (Andreas Schwab).
-
- Changed ldconfig to not remove stale links that do not
- have a version number since they may be needed by ld.
-
-Changes in version 1.7.13:
-
- Fixed a problem in ld-linux.so where a program linked
- with a shared library that was not used could result in
- a segmentation fault (H.J. Lu).
-
-Changes in version 1.7.12:
-
- Fixed a problem in libdl.so where the wrong library
- could be marked as global when RTLD_GLOBAL was used
- (Lars Heete).
-
- Installed dlfcn.h with libdl.so instead of requiring
- it to be supplied with libc.
-
- Removed support for libldso.a since it was nearly
- impossible to use anyway.
-
- Changed ldd to detect when the program being checked
- exited abnormally.
-
-Changes in version 1.7.11:
-
- Changed ld.so and ld-linux.so to delete all variations
- of LD_PRELOAD and LD_LIBRARY_PATH for set[ug]id programs,
- This makes it harder for broken set[ug]id programs to be
- compromised.
-
- Fixed a problem in libdl.so where dlsym would not accept
- the handle returned from dlopen(0, *).
-
-Changes in version 1.7.10:
-
- Changed ld-linux.so and libdl.so to support RTLD_GLOBAL
- (Eric Youngdale).
-
-Changes in version 1.7.9:
-
- Fixed a problem in ld-linux.so in detecting when the
- new user/group information is provided by the kernel.
-
- Fixed a problem in ld-linux.so where a buffer could be
- overflowed if a large number of libraries were loaded
- (Thomas Moore).
-
-Changes in version 1.7.8:
-
- Changed the Makefiles and install scripts to support
- a.out- and ELF-only configurations.
-
- Changed ld-linux.so to use the user/group information
- provided by linux 1.3.23+ instead of making syscalls
- to get it.
-
- Changed libdl.so to support RTLD_NEXT (Glenn Fowler).
-
- Changed libdl.so to only execute the fini sections
- instead of completely closing libraries at exit (Glenn
- Fowler).
-
- Changed ld.so and ld-linux.so to print the required
- cache version when a mismatch is detected.
-
- Changed ld-linux.so to not require on /dev/zero (Ralph
- Loader).
-
- Minor m68k cleanups (Andreas Schwab).
-
-Changes in version 1.7.7:
-
- Fixed problems compiling with recent 1.3.x kernels.
-
- Changed ld-linux.so to not use MAP_DENYWRITE until the
- permission issue regarding it is resolved.
-
-Changes in version 1.7.6:
-
- Fixed a bug in ld-linux.so dealing with a zero-length
- LD_{ELF_}PRELOAD.
-
- Changed ld.so and ld-linux.so to truncate all variations
- of LD_PRELOAD and LD_LIBRARY_PATH for set[ug]id programs.
-
-Changes in version 1.7.5:
-
- Changed ldconfig to recognize libraries without any
- version number (eg. libXYZ.so).
-
- Changed ldconfig to not generate a corrupt cache when
- the disk is full or other write errors occur.
-
- Changed ld-linux.so to map files with MAP_DENYWRITE to
- keep them from being changed while the file is in use
- (Rick Sladkey).
-
- Changed libdl to not overwrite the scope pointer of a
- library if it was already loaded (H.J. Lu).
-
- Changed ld-linux.so so gdb can be used on constructors
- (Eric Youngdale).
-
- Changed ldconfig to ignore ELF libraries where the soname
- does not match the file name on the assumption that it is
- a used at compile-time (eg. libcurses.so -> libncruses.so).
-
-Changes in version 1.7.4:
-
- Changed ld-linux.so and libdl to use the appropriate
- rpaths when searching for shared libraries (Eric
- Youngdale).
-
- Changed ld-linux.so to search rpath before using the
- cache. This more closely conforms to the IBCS standard.
-
-Changes in version 1.7.3:
-
- Changed ld-linux.so to only print a library name the
- first time it is loaded when run from ldd.
-
- Fixed a bug in ldconfig where an invalid cache could be
- generated if a directory was specified multiple times in
- ld.so.conf.
-
- Changed ld-linux.so so it will return the address of a
- weak symbol when called from dlsym in libdl (Eric
- Youngdale.
-
-Changes in version 1.7.2:
-
- Changed libdl.so again to fix the undefined foobar
- problem.
-
-Changes in version 1.7.1:
-
- Changed libdl so it will compile at optimization level
- O3 or higher.
-
- Changed ldconfig to always create the cache file with
- mode 644.
-
- Changed ldconfig to not ingore valid symlinks.
-
- Changed ldconfig to use the library name as the soname
- for ELF libraries that do not have an soname entry.
-
- Changed ld-linux.so to print the actual, requested library
- name at the time it is loaded instead of trying to figure
- it out after the fact.
-
-Changes in version 1.7.0:
-
- Changed ldconfig to read the actual soname from the image
- for ELF libraries and make it available to ld-linux.so.
- The soname for DLL libraries is still determined by
- truncating the minor numbers from the image file name.
-
- Changed ldconfig to no longer support the undocumented
- sort options.
-
- Changed ld.so to require a valid cache to find libraries
- in directories specified in ld.so.conf. /usr/lib and /lib
- are still searched as a last resort. Ld-linux.so already
- operated this way.
-
- Fixed a bug in libldso.a where the arguments to
- shared_loader were not parsed correctly (Wolfram Gloger).
-
- Added support for RELA-style relocations under Linux/68k
- (Andreas Schwab).
-
- Changed ld-linux.so to only map the cache once for all
- libraries instead of individually for each library.
-
- Changed ld-linux.so continue searching the cache instead of
- giving up when failing to load the first entry found.
-
- Changed ld-linux.so to produce output similar to ld.so when
- run from ldd or when errors occur.
-
-Changes in version 1.6.7:
-
- Changed the install scripts to make sure that ld.so and
- ld-linux.so are always usable.
-
- Added support for Linux/Sparc (Eric Youngdale).
-
- Added support for Linux/68k (Andreas Schwab).
-
- Fixed various bugs in ld-linux.so dealing with closing
- files, unmapping memory, dereferencing NULL pointers and
- printing library names (David Engel, Eric Youngdale and
- Andreas Schwab).
-
- Replaced the manual page for libdl with a freely
- distributable one (Adam Richter).
-
- Fixed a bug in ld-linux.so where LD_LIBRARY_PATH and
- LD_PRELOAD were not cleared for setuid/setgid programs.
-
- Fixed a bug in libdl where dlsym would not return the
- correct address of a symbol if it was redefined in another
- library (Oleg Kibirev).
-
- Changed ld-linux.so to use the following order to search
- for libraries: LD_{ELF_}LIBRARY_PATH, ld.so.cache, rpath,
- /usr/lib and /lib.
-
- Changed ld-linux.so to not needlessly allocate memory when
- using ld.so.cache.
-
-Changes in version 1.6.6:
-
- Changed ldconfig to not warn about removing stale links
- unless the -v option is specified.
-
- Added manual pages for libdl (from FreeBSD/Sun)
-
- Fixed a bug in ld.so dealing with preloading of objects
- generated by recent versions of ld (Mitch D'Souza).
-
- Fixed bugs in ldd where some errors were either not
- detected or not printed.
-
- Fixed a bug in ld-linux.so where the trailing nul in a
- library name was not being copied (Owen Taylor).
-
-Changes in version 1.6.5:
-
- Changed ldconfig to remove stale symbolic links.
-
- Added debug hooks in ld-linux.so and libdl.so to be used
- by a future version of gdb (Eric Youngdale).
-
-Changes in version 1.6.4:
-
- Change ld-linux.so to print on stdout instead of stderr
- when run from ldd.
-
- Added support for Debian GNU/Linux packaging.
-
-Changes in version 1.6.3:
-
- Fixed a bug in libdl when closing a library (H.J. Lu).
-
-Changes in version 1.6.2:
-
- Changed the error message printed by ldd when a file is
- not a.out or ELF. It used to only list a.out formats.
-
- Changed ldconfig to no longer cache and set up links for
- ld-linux.so.
-
- Changed ld-linux.so and libdl to not conflict with upcoming
- changes in kernel header files.
-
- Changed ld-linux.so to not print preloaded libraries.
-
-Changes in version 1.6.1:
-
- Updated the installation script.
-
- Changed ld.so and ld-linux.so to look for LD_AOUT_PRELOAD
- and LD_ELF_PRELOAD, respectively, before LD_PRELOAD.
-
- Changed ld.so and ld-linux.so to use LD_AOUT_LIBRARY_PATH
- and LD_ELF_LIBRARY_PATH, respectively, instead of
- AOUT_LD_LIBRARY_PATH and ELF_LD_LIBRARY_PATH.
-
-Changes in version 1.6.0:
-
- Changed ldconfig to process libraries which do not have
- a minor version or patch level number.
-
- Incorporated ld-linux.so and libdl.so.
-
- Changed ld.so and ld-linux.so to not miss entries in the
- cache when the fully qualified library is requested.
-
- Changed ldconfig to use stdout instead of stderr when
- printing the cache.
-
-Changes in version 1.5.3:
-
- LD_PRELOAD enhancements (Tristan Gigold).
-
- LD_PRELOAD patch for linux-68k (Andreas Schwab).
-
-Changes in version 1.5.2:
-
- More ELF changes (Mitch D'Souza).
-
- Changed ldconfig to also update the link for ld-linux.so.
-
-Changes in version 1.5.1:
-
- More ELF and LD_PRELOAD changes (Mitch D'Souza).
-
-Changes in version 1.5.0:
-
- Chnaged all executables to QMAGIC (Mitch D'Souza and Rick
- Sladkey).
-
- Added preliminary support for ELF to ldd and ldconfig (Eric
- Youndale and H.J. Lu).
-
- Added support for LD_PRELOAD to ld.so (Mitch D'Souza).
-
- Removed the "advertising" clause from the copyright notices
- in all source files.
-
-Changes in version 1.4.4:
-
- Changed ldconfig to support QMAGIC libraries.
-
- Fixed a bug in ld.so where some of the error messages had
- transposed arguments.
-
-Changes in version 1.4.3:
-
- Fixed an obscure bug in ld.so where an index was not being
- incremented when a library was not found using the cache.
-
-Changes in version 1.4.2:
-
- Changed ldconfig to issue a warning and continue instead
- of an error and exiting when a link can't be updated.
- This is useful when some libraries are imported on read-
- only file systems, such as an NFS mounted /usr.
-
- Changed ld.so to be more robust in searching for libraries.
- A library is not considered found unless it can actually be
- loaded. If a library is not found using the cache, the
- standard directories are searched as in pre-cache versions.
-
-Changes in version 1.4.1:
-
- Fixed minor Makefile problems.
-
- Added support for linux-68k.
-
- Fixed a bug in ld.so where libraries with absolute paths
- were not handled correctly.
-
- Changed ld.so to ignore the directory in the names of
- shared libraries by default. This allows older libraries
- with absolute paths, such as the XView libraries, to take
- advantage of the cache support.
-
- Added a minimal usage message to ldconfig.
-
-Changes in version 1.4:
-
- Fixed bug in ld.so where minor version numbers were not
- reported correctly when a minor version incompatibility
- was found.
-
- Fixed bug in ldconfig where libraries with subversion
- numbers greater than 9 were not compared correctly.
-
- Added Mitch D'Souza's support for suppressing warning
- messages from ld.so about minor version incompatibilities.
-
- Added Mitch D'Souza's support for using a cache to speed
- up searching for libraries in the standard directories.
-
- Added Mitch D'Souza's support for a debugging version of
- ld.so. Link with -lldso if you think you are experiencing
- dynamic linker problems.
-
-Changes in version 1.3:
-
- Added support for libraries using absolute pathnames. If I
- had known that the XView libraries used them, I would have
- added this earlier.
-
- Fixed a bug handling old libraries using a pathname beginning
- with '/' or '/lib/'.
-
-Changes in version 1.2a:
-
- Fixed a minor bug in ldd which caused all files, specifically
- scripts, to be recognized as binaries. Thanks to Olaf Flebbe
- for reporting it.
-
-David Engel
-david@sw.ods.com
diff --git a/ldso/man/Makefile b/ldso/man/Makefile
deleted file mode 100644
index d36225f52..000000000
--- a/ldso/man/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-# Makefile for uClibc
-#
-# Copyright (C) 2000,2001,2005 Erik Andersen <andersen@uclibc.org>
-#
-# Derived in part from the Linux-8086 C library, the GNU C Library, and several
-# other sundry sources. Files within this library are copyright by their
-# respective copyright holders.
-#
-# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
-#
-
-include ../Config.mk
-
-ALL = #ld.so.info
-
-all: $(ALL)
-
-ld.so.info: ld.so.texi
- makeinfo $<
-
-clean:
- $(RM) $(ALL) *~
diff --git a/ldso/man/dlopen.3 b/ldso/man/dlopen.3
deleted file mode 100644
index 0907aed9c..000000000
--- a/ldso/man/dlopen.3
+++ /dev/null
@@ -1,217 +0,0 @@
-.\" -*- nroff -*-
-.\" Copyright 1995 Yggdrasil Computing, Incorporated.
-.\" written by Adam J. Richter (adam@yggdrasil.com),
-.\" with typesetting help from Daniel Quinlan (quinlan@yggdrasil.com).
-.\"
-.\" This is free documentation; you can redistribute it and/or
-.\" modify it under the terms of the GNU General Public License as
-.\" published by the Free Software Foundation; either version 2 of
-.\" the License, or (at your option) any later version.
-.\"
-.\" The GNU General Public License's references to "object code"
-.\" and "executables" are to be interpreted as the output of any
-.\" document formatting or typesetting system, including
-.\" intermediate and printed output.
-.\"
-.\" This manual 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 General Public License for more details.
-.\"
-.\" You should have received a copy of the GNU General Public
-.\" License along with this manual; if not, see
-.\" <http://www.gnu.org/licenses/>.
-.\"
-.TH DLOPEN 3 "16 May 1995" "Linux" "Linux Programmer's Manual"
-.SH NAME
-dlclose, dlerror, dlopen, dlsym \- Programming interface to dynamic linking loader.
-.SH SYNOPSIS
-.B #include <dlfcn.h>
-.sp
-.BI "void *dlopen (const char *" "filename" ", int " flag ");
-.br
-.BI "const char *dlerror(void);"
-.br
-.BI "void *dlsym(void *"handle ", char *"symbol ");"
-.br
-.BI "int dladdr(void *"address ", Dl_info *"dlip ");"
-.br
-.BI "int dlclose (void *"handle ");
-.sp
-Special symbols:
-.BR "_init" ", " "_fini" ". "
-.SH DESCRIPTION
-.B dlopen
-loads a dynamic library from the file named by the null terminated
-string
-.I filename
-and returns an opaque "handle" for the dynamic library.
-If
-.I filename
-is not an absolute path (i.e., it does not begin with a "/"), then the
-file is searched for in the following locations:
-.RS
-.PP
-A colon-separated list of directories in the user's
-\fBLD_LIBRARY\fP path environment variable.
-.PP
-The list of libraries specified in \fI/etc/ld.so.cache\fP.
-.PP
-\fI/usr/lib\fP, followed by \fI/lib\fP.
-.RE
-.PP
-If
-.I filename
-is a NULL pointer, then the returned handle is for the main program.
-.PP
-External references in the library are resolved using the libraries
-in that library's dependency list and any other libraries previously
-opened with the
-.B RTLD_GLOBAL
-flag.
-If the executable was linked
-with the flag "-rdynamic", then the global symbols in the executable
-will also be used to resolve references in a dynamically loaded
-library.
-.PP
-.I flag
-must be either
-.BR RTLD_LAZY ,
-meaning resolve undefined symbols as code from the dynamic library is
-executed, or
-.BR RTLD_NOW ,
-meaning resolve all undefined symbols before
-.B dlopen
-returns, and fail if this cannot be done.
-Optionally,
-.B RTLD_GLOBAL
-may be or'ed with
-.IR flag,
-in which case the external symbols defined in the library will be
-made available to subsequently loaded libraries.
-.PP
-If the library exports a routine named
-.BR _init ,
-then that code is executed before dlopen returns.
-If the same library is loaded twice with
-.BR dlopen() ,
-the same file handle is returned. The dl library maintains link
-counts for dynamic file handles, so a dynamic library is not
-deallocated until
-.B dlclose
-has been called on it as many times as
-.B dlopen
-has succeeded on it.
-.PP
-If
-.B dlopen
-fails for any reason, it returns NULL.
-A human readable string describing the most recent error that occurred
-from any of the dl routines (dlopen, dlsym or dlclose) can be
-extracted with
-.BR dlerror() .
-.B dlerror
-returns NULL if no errors have occurred since initialization or since
-it was last called. (Calling
-.B dlerror()
-twice consecutively, will always result in the second call returning
-NULL.)
-
-.B dlsym
-takes a "handle" of a dynamic library returned by dlopen and the null
-terminated symbol name, returning the address where that symbol is
-loaded. If the symbol is not found,
-.B dlsym
-returns NULL; however, the correct way to test for an error from
-.B dlsym
-is to save the result of
-.B dlerror
-into a variable, and then check if saved value is not NULL.
-This is because the value of the symbol could actually be NULL.
-It is also necessary to save the results of
-.B dlerror
-into a variable because if
-.B dlerror
-is called again, it will return NULL.
-.PP
-.B dladdr
-returns information about the shared library containing the memory
-location specified by
-.IR address .
-.B dladdr
-returns zero on success and non-zero on error.
-.PP
-.B dlclose
-decrements the reference count on the dynamic library handle
-.IR handle .
-If the reference count drops to zero and no other loaded libraries use
-symbols in it, then the dynamic library is unloaded. If the dynamic
-library exports a routine named
-.BR _fini ,
-then that routine is called just before the library is unloaded.
-.SH EXAMPLES
-.B Load the math library, and print the cosine of 2.0:
-.RS
-.nf
-.if t .ft CW
-#include <dlfcn.h>
-
-int main(int argc, char **argv) {
- void *handle = dlopen ("/lib/libm.so", RTLD_LAZY);
- double (*cosine)(double) = dlsym(handle, "cos");
- printf ("%f\\n", (*cosine)(2.0));
- dlclose(handle);
-}
-.if t .ft P
-.fi
-.PP
-If this program were in a file named "foo.c", you would build the program
-with the following command:
-.RS
-.LP
-gcc -rdynamic -o foo foo.c -ldl
-.RE
-.RE
-.LP
-.B Do the same thing, but check for errors at every step:
-.RS
-.nf
-.if t .ft CW
-#include <stdio.h>
-#include <dlfcn.h>
-
-int main(int argc, char **argv) {
- void *handle;
- double (*cosine)(double);
- char *error;
-
- handle = dlopen ("/lib/libm.so", RTLD_LAZY);
- if (!handle) {
- fputs (dlerror(), stderr);
- exit(1);
- }
-
- cosine = dlsym(handle, "cos");
- if ((error = dlerror()) != NULL) {
- fputs(error, stderr);
- exit(1);
- }
-
- printf ("%f\\n", (*cosine)(2.0));
- dlclose(handle);
-}
-.if t .ft P
-.fi
-.RE
-.SH ACKNOWLEDGEMENTS
-The dlopen interface standard comes from Solaris.
-The Linux dlopen implementation was primarily written by
-Eric Youngdale with help from Mitch D'Souza, David Engel,
-Hongjiu Lu, Andreas Schwab and others.
-The manual page was written by Adam Richter.
-.SH SEE ALSO
-.BR ld(1) ,
-.BR ld.so(8) ,
-.BR ldconfig(8) ,
-.BR ldd(1) ,
-.BR ld.so.info .
diff --git a/ldso/man/ld.so.8 b/ldso/man/ld.so.8
deleted file mode 100644
index 59ec8530d..000000000
--- a/ldso/man/ld.so.8
+++ /dev/null
@@ -1,113 +0,0 @@
-.TH ld.so 8 "14 March 1998"
-.SH NAME
-ld.so/ld-linux.so \- dynamic linker/loader
-.SH DESCRIPTION
-.B ld.so
-loads the shared libraries needed by a program, prepares the program
-to run, and then runs it.
-Unless explicitly specified via the
-.B \-static
-option to
-.B ld
-during compilation, all Linux programs are incomplete and require
-further linking at run time.
-.PP
-The necessary shared libraries needed by the program are searched for
-in the following order
-.IP o
-Using the environment variable
-.B LD_LIBRARY_PATH
-.RB ( LD_AOUT_LIBRARY_PATH
-for a.out programs).
-Except if the executable is a setuid/setgid binary, in which case it
-is ignored.
-.IP o
-From the cache file
-.BR /etc/ld.so.cache
-which contains a compiled list of candidate libraries previously found
-in the augmented library path.
-.IP o
-In the default path
-.BR /usr/lib ,
-and then
-.BR /lib .
-.SH ENVIRONMENT
-.TP
-.B LD_LIBRARY_PATH
-A colon-separated list of directories in which to search for
-ELF libraries at execution-time.
-Similar to the
-.B PATH
-environment variable.
-.TP
-.B LD_PRELOAD
-A whitespace-separated list of additional, user-specified, ELF shared
-libraries to be loaded before all others.
-This can be used to selectively override functions in other shared libraries.
-For setuid/setgid ELF binaries, only libraries in the standard search
-directories that are also setgid will be loaded.
-.TP
-.B LD_TRACE_LOADED_OBJECTS
-If present, causes the program to list its dynamic library dependencies,
-as if run by ldd, instead of running normally.
-.TP
-.B LD_BIND_NOW
-If present, causes the dynamic linker to resolve all symbols at program
-startup instead of when they are first referenced.
-.TP
-.B LD_AOUT_LIBRARY_PATH
-A colon-separated list of directories in which to search for
-a.out libraries at execution-time.
-Similar to the
-.B PATH
-environment variable.
-.TP
-.B LD_AOUT_PRELOAD
-The name of an additional, user-specified, a.out shared library to be loaded
-after all others.
-This can be used to selectively override functions in other shared libraries.
-.TP
-.B LD_NOWARN
-Suppress warnings about a.out libraries with incompatible minor
-version numbers.
-.TP
-.B LD_KEEPDIR
-Don't ignore the directory in the names of a.out libraries to be loaded.
-Use of this option is strongly discouraged.
-.SH FILES
-.PD 0
-.TP 20
-.B /lib/ld.so
-a.out dynamic linker/loader
-.TP 20
-.B /lib/ld-linux.so.*
-ELF dynamic linker/loader
-.TP
-.B /etc/ld.so.cache
-File containing a compiled list of directories in which to search for
-libraries and an ordered list of candidate libraries.
-.TP
-.B /etc/ld.so.preload
-File containing a whitespace separated list of ELF shared libraries to
-be loaded before the program.
-libraries and an ordered list of candidate libraries.
-.TP
-.B lib*.so*
-shared libraries
-.PD
-.SH SEE ALSO
-.BR ldd (1),
-.BR ldconfig (8).
-.SH BUGS
-.LP
-Currently
-.B ld.so
-has no means of unloading and searching for compatible or newer version of
-libraries.
-.PP
-.B ld.so
-functionality is only available for executables compiled using libc version
-4.4.3 or greater.
-.SH AUTHORS
-David Engel, Eric Youngdale, Peter MacDonald, Hongjiu Lu, Linus
-Torvalds, Lars Wirzenius and Mitch D'Souza (not necessarily in that order).
diff --git a/ldso/man/ld.so.texi b/ldso/man/ld.so.texi
deleted file mode 100644
index 4e5fb841b..000000000
--- a/ldso/man/ld.so.texi
+++ /dev/null
@@ -1,411 +0,0 @@
-\input texinfo @c -*-texinfo-*-
-@c %**start of header
-@setfilename ld.so.info
-@settitle ld.so : Dynamic-Link Library support
-@c %**end of header
-
-@ifinfo
-This file documents the dynamic-link support libraries and utilities for the
-Linux OS, version 1.8.1.
-
-Copyright 1996 Michael Deutschmann
-
-This document is subject to the GNU General Public License as published by
-the Free Software foundation, version 2 or later (your choice).
-
-Note: The software described in this document is under a different copyright
-and license.
-
-@end ifinfo
-
-@titlepage
-@title ld.so
-@subtitle Dynamic Link library support for the Linux OS.
-@author David Engel
-@author Eric Youngdale
-@author Peter Macdonald
-@author Hongjiu Lu
-@author Mitch D'Souza
-@author Michael Deutschmann (this documentation)
-
-@page
-Copyright @copyright{} 1996 Michael Deutschmann
-
-This document is subject to the GNU General Public License as published by
-the Free Software foundation, version 2 or later (your choice).
-
-Note: The software described in this document is under a different copyright
-and license.
-@end titlepage
-
-@ifinfo
-@node Top
-@top
-
-The @code{ld.so} module provides dynamic linked library support in Linux.
-This file documents @code{ld.so} and its companion software.
-
-@menu
-* intro:: Introduction
-
-* ld.so:: The dynamic linker core program
-* ldd:: A utility to print out dependencies
-* ldconfig:: A utility to maintain the cache and symlinks
-* libdl:: Manual dynamic linking library
-@end menu
-
-@end ifinfo
-
-@node intro
-@unnumbered Introduction
-
-The @code{ld.so} suite contains special files and utilities needed for linux
-to handle @dfn{dynamic libraries}.
-
-Ordinary static libraries (@file{lib*.a} files) are included into executables
-that use their functions. A file that only uses static libraries needs less
-intelligence to load, but takes up more space. If many executables use the
-same library, there can be much wastage of storage space, since multiple
-copies of the library functions are scattered across the executables.
-However, static libraries are easier to make.
-
-Dynamic libraries (@file{lib*.so*} files) are not copied into executables ---
-the executable is written in such a way that it will automatically load the
-libraries. In linux, the executable will first load the special library
-@code{ld.so} or @code{ld-linux.so}, which contains the intelligence
-to load further dynamic libraries. Since multiple files end up getting
-executable data from the same file, dynamic libraries are also known as
-shared libraries.
-
-Linux executables come in two flavors, @sc{elf} and a.out.
-
-a.out is the original executable format used by Linux. It has somewhat less
-overhead than @sc{elf}. However creating shared libraries for a.out is
-@emph{very} involved, and each a.out shared library must be explicitly
-registered.
-
-@sc{elf} is a more recent format, which supports a much simpler method of
-creating libraries. @sc{elf} libraries may also be linked manually
-(@pxref{libdl}).
-
-Since many library authors prefer @sc{elf} and no longer release shared a.out
-libraries, a.out is moribund on Linux. This version of the @code{ld.so} can
-be compiled to support only @sc{elf}, or to support both formats. (The last
-release of ld.so to support a.out alone was 1.8.0.)
-
-@node ld.so
-@chapter @code{ld.so}: Dynamic linker core
-
-@code{ld.so} works behind the scenes to handle dynamic libraries in Linux.
-Users will almost never have to deal with it directly, but in special cases
-one can send instructions to it through environment variables. Also, if
-something is wrong with your libraries (usually an incorrect version) ld.so
-will give error messages.
-
-Actually @code{ld.so} is the a.out linker. The new @sc{elf} executables are
-handled by a related program @code{ld-linux.so}.
-
-@menu
-* files:: Configuration files used by the suite
-* environment:: Environment settings that tweak @code{ld.so}
-* errors:: Complaints @code{ld.so} might make
-@end menu
-
-@node files
-@section Configuration Files
-
-@table @file
-@item /etc/ld.so.cache
-A file created by @code{ldconfig} and used to speed linking. It's structure
-is private to the suite.
-
-@item /etc/ld.so.conf
-A simple list of directories to scan for libraries, in addition to
-@file{/usr/lib} and @file{/lib}, which are hardwired. It may contain
-comments started with a @samp{#}.
-
-@item /etc/ld.so.preload
-A list of libraries to preload. This allows preloading libraries for
-setuid/setgid executables securely. It may contain comments.
-@end table
-
-@node environment
-@section Environment Variables
-
-@table @code
-@item LD_AOUT_LIBRARY_PATH
-@itemx LD_LIBRARY_PATH
-These variables supply a library path for finding dynamic libraries, in the
-standard colon seperated format. These variables are ignored when executing
-setuid/setgid programs, because otherwise they would be a security hazard.
-@code{ld.so} will use @code{LD_AOUT_LIBRARY_PATH} and @code{ld-linux.so} will
-use @code{LD_LIBRARY_PATH}.
-
-@item LD_AOUT_PRELOAD
-@itemx LD_PRELOAD
-These variables allow an extra library not specified in the executable to be
-loaded. Generally this is only useful if you want to override a function.
-These are also ignored when running setuid/setgid executables. @code{ld.so}
-will use @code{LD_AOUT_PRELOAD} and @code{ld-linux.so} will use
-@code{LD_PRELOAD}.
-
-@item LD_NOWARN
-If non-empty, errors about incompatible minor revisions are suppressed.
-
-@item LD_KEEPDIR
-If non-empty, allow executables to specify absolute library names. This
-option is deprecated.
-@c FIXME:
-@c The following are things I noticed in the ld-linux.so source.
-@c I don't really understand 'em. Could someone help me?
-@c
-@c @item LD_BIND_NOW
-@c This option is used by the @code{ld-linux.so} only. I don't know
-@c what it does. (I suspect, looking at the code, that it specifies
-@c "RTLD_NOW" rather than "RTLD_LAZY" mode for the shared libraries.)
-@c
-@c @item LD_TRACE_LOADED_OBJECTS
-@c @itemx LD_WARN
-@c These seem to have something to do with the communication between the
-@c @code{ld-linux.so} and @code{ldd}. I don't know more.
-@end table
-
-@node errors
-@section Errors
-
-@table @samp
-@item Can't find library @var{library}
-The executable required a dynamically linked library that ld.so cannot find.
-Your symbolic links may be not set right, or you may have not installed a
-library needed by the program.
-
-@item Can't load library @var{library}
-The library is corrupt.
-
-@item Incompatible library @var{library}
-@itemx Require major version @var{x} and found @var{y}
-Your version of the library is incompatible with the executable. Recompiling
-the executable, or upgrading the library will fix the problem.
-
-@item using incompatible library @var{library}
-@itemx Desire minor version >= @var{x} and found @var{y}.
-Your version of the library is older than that expected by the executable,
-but not so old that the library interface has radically changed, so the
-linker will attempt to run anyway. There is a chance that it will work, but
-you should upgrade the library or recompile the software. The environment
-variable @code{LD_NOWARN} can be used to supress this message.
-
-@item too many directories in library path
-The linker only supports up to 32 library directories. You have too many.
-
-@item dynamic linker error in @var{blah}
-The linker is having trouble handling a binary - it is probably corrupt.
-
-@item can't map cache file @var{cache-file}
-@itemx cache file @var{cache-file} @var{blah}
-The linker cache file (generally @file{/etc/ld.so.cache}) is corrupt or
-non-existent. These errors can be ignored, and can be prevented by
-regenerating the cache file with @code{ldconfig}.
-@end table
-
-@node ldd
-@chapter @code{ldd}: Dependency scanner
-
-@code{ldd} is a utility that prints out the dynamic libraries that an
-executable is linked to.
-
-Actually @code{ldd} works by signalling ld.so to print the dependencies.
-For a.out executables this is done by starting the executable with
-@code{argc} equal to 0. The linker detects this and prints the dependencies.
-(This can cause problems with @emph{very} old binaries, which would run as
-normal only with an inappropriate @code{argc}.)
-
-For @sc{elf} executables, special environment variables are used to tell the
-linker to print the dependencies.
-
-@code{ldd} has a few options:
-
-@table @samp
-@item -v
-Print the version number of @code{ldd} itself
-
-@item -V
-Print the version number of the dynamic linker
-
-@item -d
-Report missing functions. This is only supported for @sc{elf} executables.
-
-@item -r
-Report missing objects. This is also only available for @sc{elf}
-executables.
-@end table
-
-@node ldconfig
-@chapter @code{ldconfig}: Setup program
-
-This utility is used by the system administrator to automatically set up
-symbolic links needed by the libraries, and also to set up the cache file.
-
-@code{ldconfig} is run after new dynamic libraries are installed, and if the
-cache file or links are damaged. It is also run when upgrading the
-@code{ld.so} suite itself.
-
-The @file{/lib} and @file{/usr/lib} directories, and any listed in the file
-@file{/etc/ld.so.conf} are scanned by default unless @samp{-n} is used.
-Additional directories may be specified on the command line.
-
-It has the following options:
-
-@table @samp
-@item -D
-Enter debug mode. Implies @samp{-N} and @samp{-X}.
-
-@item -v
-Verbose. Print out links created and directories scanned.
-
-@item -n
-Check directories specified on the commandline @emph{only}.
-
-@item -N
-Do not regenerate the cache.
-
-@item -X
-Do not rebuild symbolic links.
-
-@item -l
-Set up symbolic links for only libraries presented on the command line.
-
-@item -p
-Print out the library pathnames in the cache file (@file{/etc/ld.so.cache})
-@end table
-
-@node libdl
-@chapter User dynamic linking library
-
-The @code{ld.so} package includes a small library of functions
-(@code{libdl}) to allow manual dynamic linking. Normally programs are linked
-so that dynamic functions and objects are automagically available. These
-functions allow one to manually load and access a symbol from a library.
-They are only available for @sc{elf} executables.
-
-@menu
-* using libdl:: General points
-* functions:: How to use the functions
-* example:: A sample program
-@end menu
-
-@node using libdl
-@section Overview
-
-To access this library, add the flag @samp{-ldl} to your compile command when
-linking the executable. You also must include the header file
-@code{dlfcn.h}. You may also need the flag @samp{-rdynamic}, which enables
-resolving references in the loaded libraries against your executable.
-
-Generally, you will first use @code{dlopen} to open a library. Then you use
-@code{dlsym} one or more times to access symbols. Finally you use
-@code{dlclose} to close the library.
-
-These facilities are most useful for language interpreters that provide
-access to external libraries. Without @code{libdl}, it would be neccessary
-to link the interpreter executable with any and all external libraries
-needed by the programs it runs. With @code{libdl}, the interpreter only
-needs to be linked with the libraries it uses itself, and can dynamically
-load in additional ones if programs need it.
-
-@node functions
-@section Functions
-
-@deftypefun void *dlopen ( const char @var{filename}, int @var{flags} )
-
-This function opens the dynamic library specified by @var{filename}
-and returns an abstract handle, which can be used in subsequent calls to
-@code{dlsym}. The function will respect the @code{LD_ELF_LIBRARY_PATH} and
-@code{LD_LIBRARY_PATH} environment variables.
-
-@end deftypefun
-
-The following flags can be used with @code{dlopen}:
-
-@deftypevr Macro int RTLD_LAZY
-Resolve symbols in the library as they are needed.
-@end deftypevr
-
-@deftypevr Macro int RTLD_NOW
-Resolve all symbols in the library before returning, and fail if not all can
-be resolved. This is mutually exclusive with @code{RTLD_LAZY}.
-@end deftypevr
-
-@deftypevr Macro int RTLD_GLOBAL
-Make symbols in this library available for resolving symbols in other
-libraries loaded with @code{dlopen}.
-@end deftypevr
-
-@deftypefun int dlclose ( void *@var{handle} )
-
-This function releases a library handle.
-
-Note that if a library opened twice, the handle will be the same. However,
-a reference count is used, so you should still close the library as many
-times as you open it.
-
-@end deftypefun
-
-@deftypefun void *dlsym (void *@var{handle},char *@var{symbol-name})
-
-This function looks up the name @var{symbol-name} in the library and returns
-it in the void pointer.
-
-If there is an error, a null pointer will be returned. However, it is
-possible for a valid name in the library to have a null value, so
-@code{dlerror} should be used to check if there was an error.
-
-@end deftypefun
-
-@deftypefun {libdl function} {const char} *dlerror( void )
-
-This function is used to read the error state. It returns a human-readable
-string describing the last error, or null, meaning no error.
-
-The function resets the error value each time it is called, so the result
-should be copied into a variable. If the function is called more than once
-after an error, the second and subsequent calls will return null.
-
-@end deftypefun
-
-@node example
-@section Example program
-
-Here is an example program that prints the cosine of two by manually linking
-to the math library:
-
-@example
-@c The following was snarfed verbatim from the dlopen.3 man file.
-#include <stdio.h>
-#include <dlfcn.h>
-
-int main(int argc, char **argv) @{
- void *handle;
- double (*cosine)(double);
- char *error;
-
- handle = dlopen ("/lib/libm.so", RTLD_LAZY);
- if (!handle) @{
- fputs (dlerror(), stderr);
- exit(1);
- @}
-
- cosine = dlsym(handle, "cos");
- if ((error = dlerror()) != NULL) @{
- fputs(error, stderr);
- exit(1);
- @}
-
- printf ("%f\\n", (*cosine)(2.0));
- dlclose(handle);
-@}
-@end example
-
-@contents
-
-@bye
diff --git a/ldso/man/ldconfig.8 b/ldso/man/ldconfig.8
deleted file mode 100644
index 82285291f..000000000
--- a/ldso/man/ldconfig.8
+++ /dev/null
@@ -1,189 +0,0 @@
-.TH ldconfig 8 "14 March 1998"
-.SH NAME
-ldconfig \- determine run-time link bindings
-.SH SYNOPSIS
-ldconfig
-.RB [ \-DvqnNX ]
-.RB [ \-f\ conf ]
-.RB [ \-C\ cache ]
-.RB [ \-r\ root ]
-.IR directory \ ...
-.PD 0
-.PP
-.PD
-ldconfig
-.B \-l
-.RB [ \-Dvq ]
-.IR library \ ...
-.PD 0
-.PP
-.PD
-ldconfig
-.B \-p
-.SH DESCRIPTION
-.B ldconfig
-creates the necessary links and cache (for use by the run-time linker,
-.IR ld.so )
-to the most recent shared libraries found in the directories specified
-on the command line, in the file
-.IR /etc/ld.so.conf ,
-and in the trusted directories
-.RI ( /usr/lib
-and
-.IR /lib ).
-.B ldconfig
-checks the header and file names of the libraries it encounters when
-determining which versions should have their links updated.
-.B ldconfig
-ignores symbolic links when scanning for libraries.
-.PP
-.B ldconfig
-will attempt to deduce the type of ELF libs (ie. libc5 or libc6/glibc)
-based on what C libs if any the library was linked against, therefore when
-making dynamic libraries, it is wise to explicitly link against libc (use -lc).
-.PP
-Some existing libs do not contain enough information to allow the deduction of
-their type, therefore the
-.IR /etc/ld.so.conf
-file format allows the specification of an expected type. This is
-.B only
-used for those ELF libs which we can not work out. The format
-is like this "dirname=TYPE", where type can be libc4, libc5 or libc6.
-(This syntax also works on the command line). Spaces are
-.B not
-allowed. Also see the
-.B -p
-option.
-.PP
-Directory names containing an
-.B = are no longer legal
-unless they also have an expected type specifier.
-.PP
-.B ldconfig
-should normally be run by the super-user as it may require write
-permission on some root owned directories and files.
-It is normally run automatically at bootup, from /etc/rc, or manually
-whenever new DLL's are installed.
-.SH OPTIONS
-.TP
-.B \-D
-Debug mode.
-Implies
-.B \-N
-and
-.BR \-X .
-.TP
-.B \-v
-Verbose mode.
-Print current version number, the name of each directory as it
-is scanned and any links that are created.
-Overrides quiet mode.
-.TP
-.B \-q
-Quiet mode.
-Don't print warnings.
-.TP
-.B \-n
-Only process directories specified on the command line.
-Don't process the trusted directories
-.RI ( /usr/lib
-and
-.IR /lib )
-nor those specified in
-.IR /etc/ld.so.conf .
-Implies
-.BR \-N .
-.TP
-.B \-N
-Don't rebuild the cache.
-Unless
-.B \-X
-is also specified, links are still updated.
-.TP
-.B \-X
-Don't update links.
-Unless
-.B \-N
-is also specified, the cache is still rebuilt.
-.TP
-.B \-f conf
-Use
-.B conf
-instead of
-.IR /etc/ld.so.conf .
-.TP
-.B \-C cache
-Use
-.B cache
-instead of
-.IR /etc/ld.so.cache .
-.TP
-.B \-r root
-Change to and use
-.B root
-as the root directory.
-.TP
-.B \-l
-Library mode.
-Manually link individual libraries.
-Intended for use by experts only.
-.TP
-.B \-p
-Print the lists of directories and candidate libraries stored in
-the current cache.
-.SH EXAMPLES
-In the bootup file
-.I /etc/rc
-having the line
-.RS
-
-/sbin/ldconfig -v
-
-.RE
-will set up the correct links for the shared binaries and rebuild
-the cache.
-.TP
-On the command line
-.RS
-
-# /sbin/ldconfig -n /lib
-
-.RE
-as root after the installation of a new DLL, will properly update the
-shared library symbolic links in /lib.
-
-.SH FILES
-.PD 0
-.TP 20
-.B /lib/ld.so
-execution time linker/loader
-.TP 20
-.B /etc/ld.so.conf
-File containing a list of colon, space, tab, newline, or comma spearated
-directories in which to search for libraries.
-.TP 20
-.B /etc/ld.so.cache
-File containing an ordered list of libraries found in the directories
-specified in
-.BR /etc/ld.so.conf .
-.TP
-.B lib*.so.version
-shared libraries
-.PD
-.SH SEE ALSO
-.BR ldd (1),
-.BR ld.so (8).
-.SH BUGS
-.LP
-.BR ldconfig 's
-functionality, in conjunction with
-.BR ld.so ,
-is only available for executables compiled using libc version 4.4.3 or greater.
-.PP
-.BR ldconfig ,
-being a user process, must be run manually and has no means of dynamically
-determining and relinking shared libraries for use by
-.BR ld.so
-when a new DLL is installed.
-.SH AUTHORS
-David Engel and Mitch D'Souza.
diff --git a/ldso/man/ldd.1 b/ldso/man/ldd.1
deleted file mode 100644
index 20c557847..000000000
--- a/ldso/man/ldd.1
+++ /dev/null
@@ -1,59 +0,0 @@
-.\" Copyright 1995-2000 David Engel (david@ods.com)
-.\" Copyright 1995 Rickard E. Faith (faith@cs.unc.edu)
-.\" Most of this was copied from the README file. Do not restrict distribution.
-.\" May be distributed under the GNU General Public License
-.TH LDD 1 "14 March 1998"
-.SH NAME
-ldd \- print shared library dependencies
-.SH SYNOPSIS
-.B ldd
-.RB [ \-vVdr ]
-program|library ...
-.SH DESCRIPTION
-.B ldd
-prints the shared libraries required by each program or shared library
-specified on the command line.
-If a shared library name does not contain a '/',
-.B ldd
-attempts to locate the library in the standard locations.
-To run
-.B ldd
-on a shared library in the current directory, a "./" must be prepended
-to its name.
-.SH OPTIONS
-.TP
-.B \-v
-Print the version number of
-.BR ldd .
-.TP
-.B \-V
-Print the version number of the dynamic linker,
-.BR ld.so .
-.TP
-.B \-d
-Perform relocations and report any missing functions (ELF only).
-.TP
-.B \-r
-Perform relocations for both data objects and functions, and
-report any missing objects (ELF only).
-.SH BUGS
-.B ldd
-does not work very well on libc.so.5 itself.
-.PP
-.B ldd
-does not work on a.out shared libraries.
-.PP
-.B ldd
-does not work with some extremely old a.out programs which were
-built before
-.B ldd
-support was added to the compiler releases.
-If you use
-.B ldd
-on one of these programs, the program will attempt to run with argc = 0 and
-the results will be unpredictable.
-.SH AUTHOR
-David Engel.
-.SH SEE ALSO
-.BR ldconfig (8),
-.BR ld.so (8).