We never seem to have hit this problem but way relative relocations
were skipped was wrong. There are relative relocations only in the
DT_REL/DT_RELA section. The elf_dynamic_do_##reloc function skipped
the entries in all calls, though.
(_dl_lookup_symbol_x): Rename hash to old_hash and don't compute
value here. Compute new-style hash value. Pass new hash value
and reference to variable with the old value to do_lookup_x.
(_dl_setup_hash): If DT_GNU_HASH is defined, use it and not
old-style hash table.
(_dl_debug_bindings): Pass new hash value and reference to variable
with the old value to do_lookup_x.
* elf/do-lookup.h (do_lookup_x): Accept additional parameter with
new-style hash value and change old-style hash value parameter to
be a reference. Reoganize functions to determine whether
new-style hash table is available. Only fall back on old-style
table. If old-style hash value is needed, compute it here.
* elf/dynamic-link.h (elf_get_dynamic_info): Relocate DT_GNU_HASH
entry.
* elf/elf.h: Define SHT_GNU_HASH, DT_GNU_HASH, DT_TLSDEC_PLT,
DT_TLSDEC_GOT. Adjust DT_ADDRNUM.
* include/link.h (struct link_map): Add l_gnu_bitmask_idxbits,
l_gnu_shift, l_gnu_bitmask, l_gnu_buckets and l_gnu_chain_zero.
* Makeconfig: If linker supports --hash-style option add it to all
linker command lines to build DSOs.
* config.make.in: Define have-hash-style.
* configure.in: Test whether linker supports --hash-style option.
* elf/dl-misc.c (_dl_name_match_p): Make MAP parameter const.
* sysdeps/generic/ldsodefs.h: Adjust prototype.
* intl/dcigettext.c (_nl_find_msg): Add a cast.
* nis/nis_clone_dir.c (nis_clone_directory): Use char * for ADDR.
* nis/nis_clone_obj.c (nis_clone_object): Likewise.
* nis/nis_clone_res.c (nis_clone_result): Likewise.
* resolv/nss_dns/dns-network.c (getanswer_r): Use const unsigned char *
for END_OF_MESSAGE and CP.
* resolv/res_send.c (send_dg): Add else branch for case impossible
unless `poll' is buggy.
* crypt/crypt_util.c (__setkey_r): Add a cast.
* locale/programs/linereader.c (get_toplvl_escape): Use size_t for
NBYTES, and unsigned char * for BYTES.
* locale/programs/charmap.c (charmap_new_char): Use size_t and
unsighed char * for NBYTES, BYTES parameters.
* sysdeps/generic/dl-hash.h (_dl_elf_hash): Take const char * argument
and cast it.
* sysdeps/i386/i686/dl-hash.h (_dl_elf_hash): Likewise.
* sunrpc/create_xid.c (_create_xid): Don't use unsigned long for RES.
* sunrpc/svcauth_des.c (_svcauth_des): Fix cast type.
* sunrpc/auth_des.c (authdes_create): Don't use u_char for PKEY_DATA.
(authdes_marshal): Don't use unsigned int for LEN.
* sunrpc/xdr.c (xdr_hyper): Don't use unsigned long for T2.
(xdr_u_hyper): Likewise.
(xdr_u_short): Don't use u_long for L.
* sunrpc/xdr_intXX_t.c (xdr_int64_t): Don't use uint32_t for T2.
* inet/rexec.c (rexec_af): Use socklen_t.
* sunrpc/key_call.c (getkeyserv_handle): Likewise.
* sunrpc/rtime.c (rtime): Likewise.
* resolv/res_send.c (send_vc, send_dg): Likewise.
* nis/nis_callback.c (__nis_create_callback): Likewise.
* sysdeps/generic/libc-start.c: Use unsigned int for nthreads ptr.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Fix type of ADDR local.
* libio/libio.h (_IO_BE): Add parenthesis around EXPR.
* intl/dcigettext.c (INTVARDEF, INTUSE): Macros removed.
(_nl_default_dirname): Use libc_hidden_data_def instead of INTVARDEF.
(libc_freeres_fn, DCIGETTEXT): Don't use INTUSE.
* intl/bindtextdom.c (INTUSE): Macro removed.
(_nl_default_dirname): Use libc_hidden_proto.
(set_binding_values): Don't use INTUSE.
* include/libintl.h (_libc_intl_domainname_internal): Decl removed.
(_libc_intl_domainname): Use libc_hidden_proto.
* posix/regex_internal.h (gettext): Remove INTUSE on it.
* locale/SYS_libc.c (_libc_intl_domainname): Use libc_hidden_data_def
rather than INTDEF.
* include/libintl.h (_): Don't use *_internal name.
* ctype/ctype-extn.c (__ctype_tolower, __ctype_toupper): Use int32_t,
not uint32_t.
* locale/lc-ctype.c (_nl_postload_ctype): Likewise for assignments.
* iconv/gconv_open.c (__gconv_open): Remove useless cast.
[BZ #721]
* sysdeps/i386/dl-machine.h (ELF_MACHINE_NO_RELA): Define this outside
of [RESOLVE_MAP].
* sysdeps/sh/dl-machine.h (ELF_MACHINE_NO_REL): Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.h
(elf_machine_rel, elf_machine_rel_relative): Removed.
* sysdeps/powerpc/powerpc64/dl-machine.h
(elf_machine_rel, elf_machine_rel_relative): Removed.
2005-02-03 Alexandre Oliva <aoliva@redhat.com>
[BZ #721]
* elf/dynamic-link.h: Don't declare nested auto functions that are
not going to be defined.
2004-07-23 Jakub Jelinek <jakub@redhat.com>
[BZ #284]
* include/features.h (_POSIX_SOURCE, _POSIX_C_SOURCE): Define
if _XOPEN_SOURCE >= 500 even if __STRICT_ANSI__ is defined.
2005-02-16 Roland McGrath <roland@redhat.com>
2002-04-02 Jakub Jelinek <jakub@redhat.com>
* inet/ether_ntoh.c (__nss_ethers_lookup): Add internal_function.
* inet/ether_hton.c (__nss_ethers_lookup): Likewise.
* inet/getnetgrent_r.c (__nss_netgroup_lookup): Likewise.
* sunrpc/netname.c (__nss_publickey_lookup): Likewise.
* sunrpc/publickey.c (__nss_publickey_lookup): Likewise.
2002-03-30 Jakub Jelinek <jakub@redhat.com>
* elf/dynamic-link.h (elf_get_dynamic_info): Don't abort on unknown
dynamic tags.
2002-03-29 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/fpu/s_fabs.S: New file.
* sysdeps/i386/fpu/s_fabsf.S: New file.
* sysdeps/i386/fpu/s_fabsl.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fabs.c: New file.
* sysdeps/sparc/sparc64/fpu/s_fabsf.c: New file.
* sysdeps/sparc/sparc64/fpu/s_fabsl.c: New file.
2002-04-02 Ulrich Drepper <drepper@redhat.com>
* rt/tst-shm.c (do_test): Add one more test for size of shared
memory object.
2002-03-29 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c: Add short description and prototypes for
malloc_get_state, malloc_set_state and posix_memalign, for
consistency and to avoid warnings with -Wstrict-prototypes.
Reported by Andreas Jaeger <aj@suse.de>.
2002-04-02 Ulrich Drepper <drepper@redhat.com>
* po/gl.po: Update from translation team.
* elf/do-rel.h (elf_dynamic_do_rel): Help the compiler recognize
code which is never used when relocating ld.so itself.
(_ELF_DYNAMIC_DO_RELOC): Help the compiler optimize a bit.
2001-12-11 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile (dl-routines): Add conflict.
(rtld-ldscript-in, rtld-ldscript, rtld-parms): Remove.
(ld.so): Add _begin local symbol.
* elf/elf.h (DT_VALTAGIDX, DT_VALNUM, DT_ADDRTAGIDX, DT_ADDRNUM):
Define.
* elf/dl-deps.c (_dl_build_local_scope): New.
(_dl_map_object_deps): If LD_TRACE_PRELINKING, compute local scopes
of all libraries.
* elf/do-rel.h (VALIDX): Define.
(elf_dynamic_do_rel): If ELF_MACHINE_PLT_REL is defined, don't do
lazy binding for RELA. If DT_GNU_PRELINKED, DT_RELACOUNT relocations
can be skipped.
* elf/dl-conflict.c: New file.
* elf/dl-lookup.c (_dl_debug_bindings): New.
(_dl_lookup_symbol): Use _dl_debug_bindings. Reference_name is always
non-NULL.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
* elf/dl-runtime.c (PLTREL): If ELF_MACHINE_PLT_REL is defined,
define to ElfW(Rel).
* elf/dynamic-link.h (elf_get_dynamic_info): Record selected dynamic
tags in the DT_VALRNGLO..DT_VALRNGHI and DT_ADDRRNGLO..DT_ADDRRNGHI
ranges.
Don't adjust address dynamic tags if l_addr is 0.
* elf/rtld.c (_dl_trace_prelink, _dl_trace_prelink_map): New variables.
(_dl_start): Skip ELF_DYNAMIC_RELOCATE if ld.so is prelinked.
(VALIDX, ADDRIDX): Define.
(_dl_start_final): Initialize _dl_rtld_map's l_map_start and l_map_end.
(dl_main): Print library list for LD_TRACE_PRELINKING.
If prelinking information can be used, skip relocating libraries and
call _dl_resolve_conflicts instead.
(process_envvars): Handle LD_TRACE_PRELINKING envvar.
* elf/dl-load.c (_dl_map_object): Don't create fake libs
if LD_TRACE_PRELINKING.
* include/link.h (struct link_map) [l_info]: Add DT_VALNUM
+ DT_ADDRNUM.
* sysdeps/generic/ldsodefs.h (_dl_trace_prelink_map): New declaration.
(DL_DEBUG_PRELINK): Define.
(_dl_resolve_conflicts): Add prototype.
* sysdeps/alpha/dl-machine.h (elf_machine_runtime_setup): Reinitialize
.plt for prelinked libraries where prelinking info cannot be used.
(elf_machine_rela): If relocating R_ALPHA_JMP_SLOT in .gnu.conflict
section, use RESOLVE_CONFLICT_FIND_MAP to find out reloc's link_map.
* sysdeps/arm/bits/link.h: New file.
* sysdeps/arm/dl-machine.h (elf_machine_runtime_setup): Save original
content of .got[1].
(ELF_MACHINE_NO_RELA): Only define if RTLD_BOOTSTRAP.
(ELF_MACHINE_PLT_REL): Define.
(elf_machine_rela, elf_machine_rela_relative): New.
(elf_machine_lazy_rel): Reinitialize R_ARM_JUMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
* sysdeps/i386/bits/link.h: New file.
* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Save original
content of .got[1].
(ELF_MACHINE_NO_RELA): Only define if RTLD_BOOTSTRAP.
(ELF_MACHINE_PLT_REL): Define.
(elf_machine_rela, elf_machine_rela_relative): New.
(elf_machine_lazy_rel): Reinitialize R_386_JUMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
* sysdeps/powerpc/dl-machine.h (elf_machine_rela): If relocating
conflicts, skip finaladdr computation. Use RESOLVE_CONFLICT_FIND_MAP
to find out map for R_PPC_JMP_SLOT relocs.
* sysdeps/sparc/sparc32/dl-machine.h (VALIDX): Define.
(OPCODE_BA): Define.
(elf_machine_runtime_setup): Reinitialize .plt for prelinked
libraries where prelinking info cannot be used.
(sparc_fixup_plt): Renamed from elf_machine_fixup_plt.
(elf_machine_fixup_plt): Call sparc_fixup_plt.
(elf_machine_rela): Set value to 0 if relocating conflicts.
Call sparc_fixup_plt for R_SPARC_JMP_SLOT.
* sysdeps/sparc/sparc64/dl-machine.h (VALIDX): Define.
(sparc64_fixup_plt): Fix a typo.
(elf_machine_rela): Set value to 0 if relocating conflicts.
Handle R_SPARC_JMP_SLOT relocs when relocating conflicts.
(elf_machine_runtime_setup): Reinitialize .plt for prelinked
libraries where prelinking info cannot be used.
* sysdeps/sh/bits/link.h: New file.
* sysdeps/sh/dl-machine.h (elf_machine_runtime_setup): Save original
content of .got[1].
(elf_machine_lazy_rel): Reinitialize R_SH_JMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
* sysdeps/s390/s390-32/bits/link.h: New file.
* sysdeps/s390/s390-32/dl-machine.h (elf_machine_runtime_setup):
Save original content of .got[1].
(elf_machine_lazy_rel): Reinitialize R_390_JMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
* sysdeps/s390/s390-64/bits/link.h: New file.
* sysdeps/s390/s390-64/dl-machine.h (elf_machine_runtime_setup):
Save original content of .got[1].
(elf_machine_lazy_rel): Reinitialize R_390_JMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
* sysdeps/x86_64/bits/link.h: New file.
* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup):
Save original content of .got[1].
(elf_machine_lazy_rel): Reinitialize R_X86_64_JMP_SLOT address instead
of adjusting it if prelinked and prelinking cannot be used.
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/elf.h: Add various DF_1_*, DTF_1_*, and DF_P1_* entries.
* elf/dl-close.c (_dl_close): Don't close an object if it is marked
with nodelete.
* elf/dl-open.c (dl_open_worker): Pass RTLD_NOLOAD as new parameter
to _dl_map_object. Return immediately if no object loaded.
Set DF_1_NODELETE bit in l_flags_1 if RTLD_NODELETE was passed.
* elf/dynamic-link.h (elf_get_dynamic_info): Copy DT_FLAGS_1 entry
if it exists into l_flags_1 word.
* elf/dl-load.c (_dl_map_object_from_fd): Take no parameter and use
it to determine whether loading is wanted or not.
(_dl_map_object): Likewise.
Call _dl_map_object_from_fd with new parameter.
* sysdeps/generic/ldsodefs.h: Update prototype.
* elf/dl-deps.c: Add new parameter to _dl_map_object calls.
* elf/rtld.c: Likewise.
* elf/Makefile (tests): Add noload. Add rules to generate noload.
* elf/noload.c: New file.
* include/link.h (struct link_map): Add l_feature_1 and l_flags_1.
* sysdeps/generic/bits/dlfcn.h: Define RTLD_NOLOAD and RTLD_NODELETE.
* sysdeps/mips/bits/dlfcn.h: Likewise.
2000-03-30 Ulrich Drepper <drepper@redhat.com>
Implement dynamic determination of constructor/destructor order in
the dynamic linker.
* elf/Versions [ld.so] (GLIBC_2.0): Remove _dl_init_next.
(GLIBC_2.2): Add _dl_init.
* elf/dl-close.c: Also call all destructors in FINI_ARRAY.
r_duplist is not anymore allocated separately. l_initfini is and
therefore free it if necessary.
* elf/dl-deps.c: If a searchlist has to be allocated, put all in one
malloc block. Otherwise allocate l_initfini list only.
Put dependencies for the object in l_initfini list.
Sort dependencies for the object to be loaded topologically.
* elf/dl-fini.c: Before running the destructors sort the topologically.
* elf/dl-init.c (_dl_init): Renamed from _dl_init_next. Rewrite to
call constructors instead of iterating over the pointers. Get list of
objects for which to run constructors from l_initfini element. Accept
argc, argv, and env as parameters and pass them to the constructors.
* elf/ld-load.c (_dl_map_object_from_fd): Initialize l_ldnum member
with size of dynamic section.
* elf/dl-open.c (dl_open_worker): Only call _dl_init instead of
_dl_init_next and calling constructors ourself.
* elf/dl-preinit.c (_dl_preinit): Renamed from _dl_preinit_next.
Take argc, argv, and env as parameters and pass them to the
constructors. Rewrite to call all constructors and not iterate over
the pointers.
* elf/dynamic-link.h: Don't relocate DT_FINI_ARRAY entry. Don't
precompute l_initcount and l_preinitcount.
* elf/link.h (struct link_map): Add l_ldnum member.
Make l_phdr_allocated part of the bitfield. Remove l_runcount,
l_initcount, and l_preinitcount. Add l_initfini.
* sysdeps/generic/ldsodefs.h: Replace _dl_init_next prototype with
one for _dl_init.
* sysdeps/i386/dl-machine (RTLD_START): Rewrite to match new init
function interface.
* sysdeps/unix/sysv/linux/init-first.h: Removed.
* sysdeps/unix/sysv/linux/Dist: Delete file here as well.
* sysdeps/unix/sysv/linux/init-first.c [PIC]: Don't use
SYSDEP_CALL_INIT. Make _init a strong alias of init. The calling
conventions now match.
* sysdeps/generic/libc-start.c: Calling __libc_init_first has no
effect for shared objects. Don't emit message and call only for
static library.
1999-07-24 Ulrich Drepper <drepper@cygnus.com>
* elf/dl-fini.c: Handle DT_FINI_ARRAY.
* elf/link.h (struct link_map): Remove l_init_running. Add l_runcount
and l_initcount.
* elf/dl-init.c: Handle DT_INIT_ARRAY.
* elf/dynamic-link.h: Change parameters. Now only get link_map
pointer. Calculate l_initcount.
* elf/link.h (struct link_map): Add l_runpath_dirs.
* elf/dynamic-link.h: If RUNPATH is given, set RPATH to NULL.
* elf/dl-load.c: Pretty print.
(decompose_rpath): Take new parameter with info from where the path
comes. Pass it the fillin_rpath.
(_dl_init_paths): Initialize l_runpath_dirs.
(_dl_map_object): Don't search using RPATHs if object has RUNPATH.
Search using RUNPATH after LD_LIBRARY_PATH.
* elf/dl-support.c: Adjust comment.
* elf/rtld.c: Adjust help message.
* 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.
1999-02-20 Ulrich Drepper <drepper@cygnus.com>
* elf/dynamic-link.h (elf_get_dynamic_info): Use memset instead of
loop to clear `info'.
* sysdeps/i386/i486/bits/string.h: If fill byte is constant let gcc
do the work and don't use inline assembler.
1998-08-09 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/Makefile [subdir=elf]: Add new files split out of
dl-machine.h.
* sysdeps/powerpc/dl-machine.c: New file.
* sysdeps/powerpc/dl-machine.h: Move much stuff into separate
files. Revise ELF_PREFERRED_ADDRESS to take account of
the new mapping information (fixes bug involving huge bloated
web browser). Set ELF_MACHINE_PLTREL_OVERLAP.
* sysdeps/powerpc/dl-start.S: New file.
* elf/dl-load.c (_dl_map_object_from_fd): Initialise l_map_start,
l_map_end.
* elf/do-rel.h: Call elf_machine_rel only once (to save space).
* elf/dynamic-link.h: Allow PLT relocs to be in the middle of the
others. Call elf_dynamic_do_##reloc only once (to save even more
space).
* elf/link.h: Add new members l_map_start and l_map_end to keep
track of the memory map.
* elf/rtld.c (_dl_start): Initialise l_map_start for ld.so and
the executable.
1998-09-01 11:53 Ulrich Drepper <drepper@cygnus.com>
* debug/Makefile (catchsegv): We need not rewrite SOVER anymore.
Reported by Andreas Jaeger.
* posix/glob.h: Use __size_t instead of size_t in definitions and
make sure this is defined.
* manual/locale.texi: Almost complete rewrite. Document more functions
Joseph Myers
H.J. Lu
David S. Miller
Carlos O'Donell
Paul Eggert
Ulrich Drepper
Andreas Schwab
Roland McGrath
Ulrich Drepper
Roland McGrath
Jakub Jelinek
Andreas Jaeger
Alexandre Oliva