2001-09-08 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): If object has no r_list (i.e., wasn't
loaded directly) determine length if l_initfini list by iterating
over its elements. Minor optimizations.
* elf/dl-deps.c (_dl_map_object_deps): Always add own map to l_initfini
for dependency objects.
If object was already loaded check whether any of the dependencies
is already on the relocation dependency list. If yes, remove the
latter. Minor optimizations.
* elf/dl-lookup.c (add_dependency): Add check for self reference of
maps here. Search l_initfini list only if the object was loaded
directly and not only as a dependency.
(_dl_lookup_symbol): Add relocation dependency also if object
is not in global scope. Remove test for self-reference here.
(_dl_lookup_versioned_symbol): Likewise.
* elf/dl-object (_dl_new_object): Cleanup. Initialize dont_free
element of first name record.
* elf/loadtest.c: Add some more test to recognize early if an object
wasn't unloaded.
* elf/Makefile: Add rules to build and run reldep5.
* elf/reldep5.c: New file.
* elf/reldepmod5.c: New file.
* elf/reldepmod6.c: New file.
* elf/reldep2.c: Fix typo.
* elf/dl-object.c (_dl_new_object): Initialize l_scope and l_scope_max.
__libc_lock_define_recursive.
* elf/dl-open.c: Don't declare it here any more.
* elf/dl-close.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* elf/dl-lookup.c (add_dependency): Use __libc_lock_lock_recursive and
__libc_lock_unlock_recursive.
* elf/dl-close.c (_dl_close): Likewise
* elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise
* elf/dl-open.c (_dl_open): Likewise
* sysdeps/generic/bits/libc-lock.h
(__libc_lock_define_recursive): New macro.
* sysdeps/generic/bits/stdio-lock.h (_IO_lock_t): Use it.
(_IO_lock_lock): Use __libc_lock_lock_recursive.
(_IO_lock_unlock): Use __libc_lock_unlock_recursive.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
* elf/dl-lookup.c (add_dependency): Fix test to check whether
dependency already exists.
* elf/Makefile: Add testobj1 and testobj2 as dependencies of testobj6.
* elf/loadtest.c (main): Add test at the end that everything is
unloaded.
* elf/dl-open.c (dl_open_worker): Fix typo in comment.
2000-10-24 Ulrich Drepper <drepper@redhat.com>
Complete revamp of the reference counter handling.
* include/link.h (struct link_map): Add l_idx field.
* elf/dl-close.c: Handle decrementing of reference counters more
correctly. If necessary decrement reference counters of dependencies
of dependencies.
* elf/dl-lookup.c (add_dependency): Only increment reference counter
of the object itself and not also its dependencies.
* elf/dl-open.c: Increment reference counters here.
* elf/dl-deps.c: Remove reference counter handling here.
* elf/dl-load.c: Likewise.
* elf/rtld.c: Adjust for _dl_map_deps not handling reference counters.
* elf/loadtest.c: Print loaded objects at the beginning.
* elf/dl-close.c: Decrement opencount for all dependencies which can
be removed even if the object is not yet unloaded.
* elf/dl-deps.c (_dl_map_object_deps): If dependency is already in
the list decrement opencount of all dependencies.
* elf/dl-load.c (_dl_map_object_from_fd): Increment object of object
and all dependencies.
(_dl_map_object): Likewise.
* elf/dl-lookup.c (add_dependency): Likewise.
* elf/loadtest.c: Add debug when with more output.
2000-08-26 Ulrich Drepper <drepper@redhat.com>
* elf/Makefile (distribute): Add unloadmod.c, reldepmod1.c,
reldepmod2.c, reldepmod3.c, and reldepmod4.c.
(tests): Add unload, reldep, reldep2, and reldep3.
(modules-names): Add unloadmod, reldepmod1, reldepmod2, reldepmod3,
and reldepmod4.
Add rules to build and run unload, reldep, reldep2, and reldep3.
* elf/dl-lookup.c (_dl_lookup_symbol): Add new parameter explicit.
Don't create relocation dependency if it is nonzero.
(_dl_lookup_symbol_skip): Remove relocation dependency stuff. This
can never happen here.
(_dl_lookup_versioned_symbol): Add new parameter explicit.
Don't create relocation dependency if it is nonzero.
(_dl_lookup_versioned_symbol_skip): Remove relocation dependency
stuff. This can never happen here.
* sysdeps/generic/ldsodefs.h: Change prototypes.
* elf/dl-reloc.c (RESOLVE_MAP): Pass 0 in explicit parameter to
_dl_lookup_up and _dl_lookup_versioned_symbol.
(RESOLV): Likewise.
* elf/dl-runtime.c (fixup): Likewise.
(profile_fixup): Likewise.
* elf/dl-libc.c (do_dlsym): Pass 1 in explicit parameter to
_dl_lookup_symbol.
* elf/dl-symbol.c (_dl_symbol_value): Likewise.
* elf/rtld.c (dl_main): Likewise.
* elf/dl-sym.c (_dl_sym): Pass 1 in explicit parameter to
_dl_lookup_symbol if handle is not RTLD_DEFAULT. Always compute
and pass down the caller map.
(_dl_vsym): Likewise.
* elf/reldep.c: New file.
* elf/reldep2.c: New file.
* elf/reldep3.c: New file.
* elf/reldepmod1.c: New file.
* elf/reldepmod2.c: New file.
* elf/reldepmod3.c: New file.
* elf/reldepmod4.c: New file.
* elf/unload.c: New file.
* elf/unloadmod.c: New file.
* elf/do-lookup.h: Remove unused undef_name parameter.
* elf/dl-lookup.c: Adjust callers.
2000-05-21 H.J. Lu <hjl@gnu.org>
* elf/do-lookup.h (do_lookup_versioned): Replace reloc_type parameter
with noexec and noplt parameter.
(do_lookup): Likewise.
* elf/dl-lookup.c (_dl_lookup_symbol): Change for new parameters of
do_lookup. Support STV_PROTECTED.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
* elf/dl-reloc.c (RESOLVE): Check STB_LOCAL instead of ST_VISIBILITY.
* elf/dl-runtime.c (profile_fixup): Fix a typo in comment.
2000-05-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-load.c (_dl_map_object_from_fd): Little of computation of
parameter to mprotect and for variable assignments.
2000-05-03 Jes Sorensen <jes@linuxcare.com>
* sysdeps/generic/ldsodefs.h (LOOKUP_VALUE_ADDRESS): Check the
validity of map before dereferencing it.
* elf/dl-reloc.c (RESOLVE_MAP): Define.
2000-05-02 Jes Sorensen <jes@linuxcare.com>
* elf/dl-runtime.c (fixup): Add the value returned in the symbol
lookup to the arguments to elf_machine_fixup_plt().
* sysdeps/ia64/dl-machine.h (elf_machine_fixup_plt): Add Link_map
of the symbol being resolved to input argument list and make the
function return the pointer to the reloc.
* sysdeps/alpha/dl-machine.h (elf_machine_fixup_plt): Change
return valuie to lookup_t and return the value.
* sysdeps/arm/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/i386/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/powerpc/dl-machine.h (elf_machine_fixup_plt): Likewise.
Make it an inline function returning value after calling
__elf_machine_fixup_plt().
* elf/dl-sym.c (_dl_vsym): Use DL_SYMBOL_ADDRESS() to obtain the
symbol address.
* elf/dl-symbol.c (_dl_symbol_value): Use LOOKUP_VALUE_ADDRESS to
obtain the symbol address.
* sysdeps/generic/ldsodefs.h: Add generic DL_SYMBOL_ADDRESS() macro
depending on the definition of ELF_FUNCTION_PTR_IS_SPECIAL.
* sysdeps/ia64/dl-machine.h: Add DL_SYMBOL_ADDRESS() macro calling
_dl_symbol_address() - this way DL_SYMBOL_ADDRESS() turns into an
inline on non ia64.
2000-04-28 Jes Sorensen <jes@linuxcare.com>
* elf/dl-runtime.c (fixup): Use the portable macros to get the
symbol address of an object.
* elf/dl-runtime.c (fixup-profile): Use the portable macros to get
the symbol address of an object.
* elf/dl-libc.c (struct do_dlsym_args): Change loadbase to a lookup_t.
* elf/dl-lookup.c (_dl_lookup_symbol): Likewise.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
2000-04-27 Jes Sorensen <jes@linuxcare.com>
* elf/rtld.c (_dl_start): Get the function pointer return address
via _dl_start_address for architectures that need a function
pointer descriptor rather than just a pointer (ia64).
* sysdeps/generic/dl-lookupcfg.h: New file.
* sysdeps/ia64/dl-lookupcfg.h: New file.
* sysdeps/ia64/dl-machine.h: New file.
* sysdeps/ia64/dl-symaddr.c: New file.
* sysdeps/ia64/dl-fptr.c: New file.
* elf/elf.h: Add IA-64 specific definitions.
2000-04-02 Ulrich Drepper <drepper@redhat.com>
* elf/dl-fini.c (_dl_fini): Increment j counter after swapping in
element at this position.
* elf/Versions [ld.so] (GLIBC_2.2): Export _dl_load_lock.
* elf/link.h (struct link_map): Add l_reldepsmax, l_reldepsact, and
l_reldeps elements.
* elf/dl-lookup.c (add_dependency): New function.
(_dl_lookup_symbol): Use it whenever symbol was found in a global,
dynamically loaded object.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
* elf/dl-open.c: Don't define _dl_load_lock here...
* elf/rtld.c: ...but here...
* elf/dl-support.c: ...and here.
* elf/dl-close.c (_dl_close): Close also dependent objects introduce
through relocation.
* elf/dl-fini.c (_dl_fini): Also take dependencies introduced through
relocations.
* dlfcn/Makefile (glrefmain.out): Test is not expected to fail
anymore.
* dlfcn/glrefmain.c: Add one more debug message.
* Makeconfig (preprocess-versions): Don't add $(CPPFLAGS) to compiler
command line.
* Makerules (sysd-versions): Use ( ) instead of { }.
* elf/dl-load.c: Use __builtin_expect to signal that compiler should
optimize for the non-debugging case.
* elf/dl-lookup.c: Likewise.
* sysdeps/generic/libc-start.c: Likewise.
1999-06-07 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/if_index.c: Use SIGIOCGIFINDEX and fix
another SIOGIFNAME typo.
1999-06-07 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-lookup.c: Remove duplicated assert.h inclusion.
* sysdeps/generic/printf_fphex.c (__printf_fphex): Optimize a little
bit.
1999-06-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* sysdeps/generic/printf_fphex.c (__printf_fphex): Don't ignore
the precision if the mantissa is zero.
1999-06-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* manual/lang.texi (Floating Point Parameters): GCC already
supports long double for a long time.
1999-06-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* math/libm-test.c (j0_test, j1_test, jn_test, y0_test, y1_test,
yn_test): Increase some epsilons.
* sysdeps/unix/sysv/linux/kernel-features.h: Define
__ASSUME_SIOCGIFNAME for kernel >= 2.1.50.
* sysdeps/unix/sysv/linux/if_index.c: Correct typo (SIOGIFNAME ->
SIOCGIFNAME) and use __ASSUME_SIOCGIFNAME.
* sysdeps/libm-ieee754/w_j0.c: Remove __ from symbol definitions.
* sysdeps/libm-ieee754/w_j0f.c: Likewise.
* sysdeps/libm-ieee754/w_j0l.c: Likewise.
* sysdeps/libm-ieee754/w_j1.c: Likewise.
* sysdeps/libm-ieee754/w_j1f.c: Likewise.
* sysdeps/libm-ieee754/w_j1l.c: Likewise.
* sysdeps/libm-ieee754/w_jn.c: Likewise.
* sysdeps/libm-ieee754/w_jnf.c: Likewise.
* sysdeps/libm-ieee754/w_jnl.c: Likewise.
* stdio-common.c: Correct typos.
* math/libm-test.c (jn_test): Adjust delta.
(y1_test): Likewise.
(yn_test): Likewise.
* elf/do-lookup.h: It should never happen that if we expect a versioned
symbol from a file the file has no version table. This should have
been checked in dl-version.c.
* elf/dl-lookup.c: Include assert.h.
* elf/dl-lookup.c (_dl_lookup_symbol_skip): Before first do_lookup
call test whether there is any scope left.
(_dl_lookup_versioned_symbol_skip): Likewise.
* elf/Makefile (distribute): Add do-lookup.h.
* elf/do-lookup.h: New file. Split out from dl-lookup.c.
* elf/dl-lookup.c: Move do_lookup function in separate file and
include the file twice, for handling versioning and without it.
* elf/dynamic-link.h (elf_get_dynamic_info): Take new argument with
load address. Relocate d_ptr in DT_DTRTAB, DT_SYMTAB, DT_RELA, DT_REL,
DT_JMPREL, DT_PLTGOT, and DT_VERSYM l_info entry.
(_ELF_DYNAMIC_DO_RELOC): Take extra argument which specifies whether
rel and rela relocations can both happen and skip one test if this
is not possible.
(ELF_DYNAMIC_DO_RELA, ELF_DYNAMIC_DO_REL): Call _ELF_DYNAMIC_DO_RELOC
appropriately.
* elf/dl-addr.c (_dl_addr): DT_SYMTAB and DT_STRTAB entries are
already relocated.
* elf/dl-deps.c (_dl_map_object_deps): DT_STRTAB entry is already
relocated.
* elf/dl-load.c (_dl_init_paths): DT_STRTAB entry is already relocated.
(_dl_map_object_from_fd): Call elf_get_dynamic_info with new argument.
(_dl_map_object): DT_STRTAB entry is already relocated.
* elf/dl-lookup.c (do_lookup): DT_STRTAB and DT_SYMTAB entries are
already relocated.
* elf/dl-reloc.c (_dl_relocate_object): DT_STRTAB entry is already
relocated.
* elf/dl-runtime.c (fixup): DT_SYMTAB, DT_STRTAB, DT_JMPREL, and
DT_VERSYM entries are already relocated.
(profile_fixup): Likewise.
* elf/dl-version.c: Rename VERSTAG macro into VERSYMIDX. Replace
all users.
(match_symbol): DT_STRTAB entry is already relocated.
(_dl_check_map_versions): Likewise. Also fo DT_VERSYM.
* elf/do-rel.h (elf_dynamic_do_rel): reladdr is now assumed to be
relocated already. DT_SYMTAB and DT_VERSYM entries are also relocated.
* elf/rtld.c (_dl_start): Pass extra argument to elf_get_dynamic_info.
(find_needed): DT_STRTAB entry is already relocated.
(dl_main): Pass extra argument to elf_get_dynamic_info.
DT_STRTAB entry is already relocated.
* sysdeps/alpha/dl-machine.h (elf_machine_fixup_plt): DT_JMPREL and
DT_PLTGOT entries are already relocated.
(elf_machine_rela): Likewise for DT_SYMTAB.
* sysdeps/arm/dl-machine.h (elf_machine_rel): DT_STRTAB is already
relocated.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/powerpc/dl-machine.c (__process_machine_rela): Likewise.
* sysdeps/mips/dl-machine.h (elf_machine_got_rel): Likewise.
(elf_machine_got_rel): Likewise for DT_SYMTAB and DT_STRTAB.
* grp/initgroups.c (initgroups): If function in current module was
successful don't stop but continue to process to get all the groups.
1999-02-07 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-lookup.c: Increment _dl_num_relocations in the four entry
point functions, not do_lookup since the later can be called more
than once.
* elf/dl-lookup.c (do_lookup): If looking up an unversioned symbol
but the object file only contains versioned definitions than
accept the definition if there is exactly one even if the version
number is not the default version. This helps dlsym() to find
newly introduced symbols.
1998-03-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Use
_dl_debug_message.
1998-03-12 Matthias Urlichs <smurf@noris.de>
* elf/dl-misc.c: Default for debug output should be stderr.
* elf/dl-misc.c: Spurious garbage bytes after the PID in debug output.
* elf/dl-lookup.c: reference_name may be NULL or empty.
1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* aclocal.m4 (LIBC_PROG_FOO_GNU): Fix order of redirection.
1998-03-11 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/Dist: Add scsi/scsi.h.
* sysdeps/unix/sysv/linux/scsi/sg.h: Include features.h.
1998-03-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/scsi/scsi.h: New file.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install it.
1998-03-11 10:30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1998-03-10 17:54 Ulrich Drepper <drepper@cygnus.com>
* libc.map: Add _dl_debug_message.
* elf/dl-misc.c: Make _dl_debug_message a function. Print the PID
before every line.
* elf/fini.c: Correctly use new _dl_debug_message function.
* elf/init.c: Likewise.
* elf/dl-lookup.c: Likewise.
* sysdeps/unix/sysv/linux/libc-start.c: Likewise.
* elf/dl-load.c: Likewise. Add more debugging prints.
* elf/dl-reloc.c: Likewise.
* elf/dl-version.c: Likewise.
* elf/dl-support.c: Add variables for debugging.
* elf/rtld.c: Likewise. Recognize new debug options.
* elf/link.h: Declare new variables.
* elf/dl-deps.c (_dl_map_object_deps): Little optimizations.
* sysdeps/unix/sysv/linux/sys/quota.h: Extract information from
kernel headers. Patch by a sun <asun@saul7.u.washington.edu>.
1998-03-11 00:16 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp-test.c (command_line_test): New function to allow
testing of specific cases from the command-line.
1998-03-10 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-init.c (_dl_init_next): Print nicer messages.
* elf/dl-fini.c (_dl_fini): Likewise.
* sysdeps/unix/sysv/linux/libc-start.c (__libc_start_main): Likewise.
1998-03-10 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-lookup.c (_dl_lookup_versioned_symbol): Print version
symbol in debug message.
(_dl_lookup_versioned_symbol_skip): Likewise.
* sysdeps/unix/readdir_r.c: Zero out *result on EOF.
* manual/filesys/texi: Document this.
0600. Reported by Greg Alexander <galexand@sietch.bloomington.in.us>.
1998-03-08 14:58 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig (nisobjdir): Set to path to nis directory.
(rpath-link): Add nisobjdir.
Patch by Sven Verdoolaege <skimo@kotnet.org>.
* elf/Makefile: Pretty print.
* elf/dl-lookup.c: Include unistd.h.
* elf/dl-runtime.c: Likewise.
* localedata/Makefile (test-srcs): Add tst-rpmatch.
(distribute): Add tst-rpmatch.sh.
(tests): Add tst-rpmatch to dependency list and run tst-rpmatch.sh.
New tests for rpmatch function by
Jochen Hein <jochen.hein@delphi.central.de>.
* localedata/tst-rpmatch.c: New file.
* localedata/tst-rpmatch.sh: New file.
* localedata/locales/de_DE: Correct yesexpr and noexpr.
* localedata/locales/de_AT: Likewise.
* posix/getopt.c: Update contact address.
* posix/getopt1.c: Pretty print.
* sysdeps/generic/libc-start.c: Do most of the initialization now
here instead of in start.S.
* sysdeps/unix/sysv/linux/libc-start.c: Likewise.
* sysdeps/i386/elf/start.S: Remove most of the initialization code.
* sysdeps/unix/sysv/linux/i386/profil-counter.h: No need for
profil_counter to be public.
1998-03-08 13:06 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp.c (parse_arith): Now works for negative numbers too.
(parse_param): Coded parameter length expansion (${#var}).
(parse_param): Handling for "=", "+", "-", and the ":" versions added.
(parse_param): Cleaned up (fixed) error handling.
* posix/wordexp-test.c: IFS now includes non-whitespace character
(comma). Added more tests.
1998-03-06 17:04 Ulrich Drepper <drepper@cygnus.com>
* libc.map: Add _dl_debug_impcalls, _dl_debug_fd, _dl_sysdep_output,
__libc_start_main.
* csu/Makefile (routines): Add libc-start.
* elf/dl-error.c: Remove declaration of _dl_argv. Include <unitsd.h>.
* elf/dl-lookup.c: Likewise.
* elf/dl-version.c: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* elf/link.h: Declare _dl_argv, _dl_debug_fd.
Declare _dl_sysdep_output. Make _dl_sysdep_fatal, _dl_sysdep_error and
_dl_sysdep_message macros which use _dl_sysdep_output.
* elf/dl-fini.c: Write out which destructor is called while debugging.
* elf/dl-init.c: Likewise for constructor.
* elf/dl-load.c: Use _dl_debug_message instead of _dl_sysdep_message.
* elf/dl-misc.c: Remove _dl_sysdep_fatal, _dl_sysdep_error and
_dl_sysdep_message. Add _dl_sysdep_output.
* elf/rtld.c: Recognize LD_DEBUG_OUTPUT. Set _dl_debug_fd if
this file can be opened.
For LD_DEBUG=libs also set _dl_debug_impcalls.
* sysdeps/generic/dl-cache.c: Include unistd.h.
* sysdeps/generic/libc-start.c: New file.
* sysdeps/i386/elf/start.S: Don't call main directly, call
* sysdeps/unix/sysv/linux/libc-start.c: New file.
__libc_start_main instead.
* elf/Makefile ($(objpfx)ld.so): Add $(load-map-file) as dependency.
Ulrich Drepper
Roland McGrath
Andreas Jaeger