__alloc_dir.
(__alloc_dir): Only close descriptor on error if new parameter is true.
* sysdeps/unix/fdopendir.c (fdopendir): Pass extra argument to
__alloc_dir. Don't close fd on error.
* include/dirent.h (__alloc_dir): Adjust prototype.
* include/sys/mman.h (__mremap): Add ellipsis.
* malloc/memusage.c: Adjust mremap wrapper for optional additional
parameter.
2005-10-07 Roland McGrath <roland@redhat.com>
[BZ #1438]
* include/features.h: Make tests on _FORTIFY_SOURCE and __OPTIMIZE__
friendly to -Wundef.
(__USE_FORTIFY_LEVEL): Always define it, to 0 if nothing else.
* dirent/Versions: Export fdopendir for GLIBC_2.4.
* dirent/Makefile (routines): Add fdopendir.
(tests): Add tst-fdopendir.
* dirent/tst-fdopendir.c: New file.
* include/dirent.h: Declare __alloc_dir.
* sysdeps/generic/fdopendir.c: New file.
* sysdeps/unix/fdopendir.c: New file.
* sysdeps/unix/opendir.c: Split off back part of opendir into new
function __alloc_dir.
next_last_offset.
(struct re_dfa_t): Remove unused member states_alloc.
* posix/regcomp.c (init_dfa): Don't initialize unused members.
2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
* posix/regexec.c (set_regs): Don't alloca with an unbounded size.
alloca modernization/simplification for regex.
* posix/regex.c: Remove portability cruft for alloca. This no longer
needs to be at the start of the file, and can be moved into
regex_internal.h and simplified.
* posix/regex_internal.h: Include <alloca.h>.
(__libc_use_alloca) [!defined _LIBC]: New macro.
* posix/regexec.c (build_trtable): Remove "#ifdef _LIBC",
since the code now works outside glibc.
2005-09-06 Ulrich Drepper <drepper@redhat.com>
* include/regex.h: Remove use of _RE_ARGS.
2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
* posix/regexec.c (find_recover_state): Change "err" to "*err".
2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
* posix/regcomp.c (regerror): Pointer args are 'restrict',
as per POSIX.
* posix/regex.h (regerror): Likewise.
* manual/pattern.texi (POSIX Regexp Compilation): Likewise.
Similarly for regcomp and regexec. Also, first 2 args of regexec
and 2nd arg of regerror are const.
* posix/regex.c: Do not include <sys/types.h>, as POSIX no longer
requires this. (The code never needed it.)
2005-08-20 Paul Eggert <eggert@cs.ucla.edu>
* posix/regexec.c (sift_states_bkref): re_node_set_insert returns
int, not reg_errcode_t.
* posix/regex_internal.c (calc_state_hash): Put 'inline' before type,
since some broken compilers warn about it otherwise.
* posix/regcomp.c (create_initial_state): Remove duplicate decl.
2005-08-20 Paul Eggert <eggert@cs.ucla.edu>
* posix/regex.h (_RE_ARGS): Remove. No longer needed, since we assume
C89 or better. All uses removed.
2005-09-06 Ulrich Drepper <drepper@redhat.com>
* posix/regex.c: Prevent using C++ compilers.
2005-08-19 Paul Eggert <eggert@cs.ucla.edu>
* posix/regcomp.c (duplicate_node): Return new index, not an error
code, and let the caller return REG_ESPACE if out of space. This
removes an uninitialied-variable warning with GCC 4.0.1, and also
avoids taking the address of a local variable. All callers
changed.
2005-09-06 Ulrich Drepper <drepper@redhat.com>
* include/time.h (__strptime_internal): Rename parameter to avoid
bogus compiler warning.
2005-08-19 Jim Meyering <jim@meyering.net>
* posix/regexec.c (proceed_next_node): Redo local variables to
avoid GCC shadowing warnings.
2005-09-06 Ulrich Drepper <drepper@redhat.com>
* posix/regex_internal.c (re_acquire_state): Minor code rearrangement.
(re_acquire_state_context): Likewise.
2005-08-19 Paul Eggert <eggert@cs.ucla.edu>
* posix/regex_internal.c (re_string_realloc_buffers):
(re_node_set_insert, re_node_set_insert_last, re_dfa_add_node):
Rename local variables to avoid GCC shadowing warnings.
2005-07-08 Eric Blake <ebb9@byu.net>
Paul Eggert <eggert@cs.ucla.edu>
* posix/regcomp.c (init_dfa): Store __btowc value in wint_t, not
wchar_t. Remove now-unnecessary cast.
(build_range_exp): Likewise.
2005-08-17 Robert Love <rml@novell.com>
* sysdeps/unix/sysv/linux/sys/inotify.h: Add IN_MOVE_SELF event.
2005-08-19 Bruno Haible <bruno@clisp.org>
* intl/localealias.c (read_alias_file): In case of failure, close the
file descriptor and sort the array before returning.
2005-08-19 Ulrich Drepper <drepper@redhat.com>
* malloc/Makefile: Link libmemusage.so with ld.so.
* malloc/memusage.c: Use atomic operations for all counter and size
computations. Handle thread stacks.
* sysdeps/generic/memusage.h: Define memusage_cntr_t and
memusage_size_t.
* sysdeps/i386/i686/memusage.h: New file.
* include/atomic.h: Define atomic_max and atomic_min.
* debug/tst-chk1.c: Add tests for mbstowcs and wcstombs.
* misc/sys/syslog.h: Include <bits/syslog.h> for fortification.
* misc/Makefile (headers): Add bits/syslog.h.
* include/sys/syslog.h: Add __vsyslog_chk prototype and hidden_proto.
* sysdeps/generic/syslog.c: Change vsyslog function to __vsyslog_chk.
Call __vfprintf_chk if necessary. Make vsyslog a wrapper. Add
__syslog_chk.
* misc/Versions: Export __syslog_chk and __vsyslog_chk.
* nis/nis_xdr.c: Help gcc to avoid generating unnecessary wrapper
functions.
* include/bits/wchar2.h: New file.
* wcsmbs/wchar.h: Include <bits/wchar2.h> if fortification is
requested.
* wcsmbs/wcsncpy.c: Add __wcsncpy alias.
* string/bits/string3.h: Add fortified stpncpy definitions.
* sysdeps/generic/stpncpy_chk.c: New file.
* libio/vswprintf.c: Move _IO_wstrnfile definition to strfile.h.
Export _IO_wstrn_jumps.
* libio/strfile.h: Define _IO_wstrnfile and declare _IO_wstrn_jumps.
* include/wchar.h: Declare __wcsncpy and __vswprintf_chk.
* debug/fgetws_chk.c: New file.
* debug/fgetws_u_chk.c: New file.
* debug/fwprintf_chk.c: New file.
* debug/swprintf_chk.c: New file.
* debug/vfwprintf_chk.c: New file.
* debug/vswprintf_chk.c: New file.
* debug/vwprintf_chk.c: New file.
* debug/wcpcpy_chk.c: New file.
* debug/wcpncpy_chk.c: New file.
* debug/wcscat_chk.c: New file.
* debug/wcscpy_chk.c: New file.
* debug/wcsncat_chk.c: New file.
* debug/wcsncpy_chk.c: New file.
* debug/wmemcpy_chk.c: New file.
* debug/wmemmove_chk.c: New file.
* debug/wmempcpy_chk.c: New file.
* debug/wmemset_chk.c: New file.
* debug/wprintf_chk.c: New file.
* debug/tst-chk1.c: Add tests for new functions.
* debug/Versions: Export new functions.
* debug/Makefile (routines): Add new functions.
* stdlib/stdlib.h: Include <bits/stdlib.h> if fortification is
requested.
* Makefile (headers): Add bits/stdlib.h.
* include/bits/stdlib.h: New file.
* debug/Depend: New file.
* debug/ptsname_r_chk.c: New file.
* debug/realpath_chk.c: New file.
* debug/wctomb_chk.c: New file.
* debug/Makefile (routines): Add ptsname_r_chk, realpath_chk, and
wctomb_chk.
* debug/Versions: Export __ptsname_r_chk, __realpath_chk, and
__wctomb_chk.
* debug/tst-chk1.c: Add tests for __ptsname_r_chk, __realpath_chk, and
__wctomb_chk.
real malloc in the catch object.
(_dl_catch_error): Forward information about malloc use to caller
in new parameter.
(_dl_out_of_memory): Make static.
* elf/dl-deps.c: Adjust callers of _dl_catch_error.
* elf/dl-libc.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/rtld.c: Likewise.
Add new --audit option.
* sysdeps/generic/ldsodefs.h: Remove _dl_out_of_memory declaration.
(rtld_global_ro._dl_signal_error): Add new parameter.
* include/dlfcn.h (_dl_catch_error): Add new parameter.
* dlfcn/dlfcn.c (_dlerror_run): Pass additional parameter to
_dl_catch_error. Only free if the returned newly value says so.
(pmap_getport): Use it to open a non-reserved socket to the portmapper
for TCP.
* include/rpc/pmap_clnt.h (__get_socket): Declare.
* sunrpc/pm_getmaps.c (pmap_getmaps): Use __get_socket to get an
non-reserved socket for the portmapper.
range to even lower ports.
Change type of l_idx to int.
* elf/dl-close.c: Basically rewrite. Do not use l_opencount to
determine whether a DSO has to be unloaded. Instead compute this
in this function.
* elf/dl-deps.c: No need to manipulate l_opencount anymore.
* elf/dl-lookup.c: Likewise.
* elf/rtld.c: Likewise
* elf/dl-open.c: Likewise. Use l_init_called to determine whether
object was just loaded.
* elf/dl-fini.c: Bump l_direct_opencount instead of l_opencount.
* elf/dl-load.c (_dl_map_object_from_fd): Do not recognize DSO which
is about to be unloaded as a match.
(_dl_map_object): Likewise.
* elf/do-lookup.h (do_lookup_x): Do not look into DSO which is about
to be unloaded.
* elf/circleload1.c: Don't use l_opencount anymore.
* elf/neededtest.c: Likewise.
* elf/neededtest2.c: Likewise.
* elf/neededtest3.c: Likewise.
* elf/neededtest4.c: Likewise.
* elf/unload.c: Likewise.
* elf/unload2.c: Likewise.
* elf/loadtest.c: Likewise.
* elf/rtld.c: Preloading errors are now never fatal.
2005-03-08 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload5 test.
* elf/unload5.c: New file.
2005-03-08 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload4 test.
* elf/unload4.c: New file.
* elf/unload4mod1.c: New file.
* elf/unload4mod2.c: New file.
* elf/unload4mod3.c: New file.
* elf/unload4mod4.c: New file.
of internal.
(__hidden_def1, __hidden_dot_def1): Remove.
(__hidden_def2, __hidden_def3): Remove.
(__hidden_ver1): New.
(hidden_ver, hidden_def, hidden_weak): Use it.
(hidden_data_ver, hidden_data_ver, hidden_data_weak): Use non-data
version of the macro.
* include/wchar.h (__wcscoll): Remove.
* wcsmbs/wcscoll.c: Define wcscoll directly instead of via __wcscoll.
* string/strcoll.c: Don't issue libc_hidden_def STRCOLL redefined.
map if requested.
* debug/chk_fail.c: Request backtrace and memory map dump.
* Versions.def: Add GLIBC_2.4 for libc.
* debug/fgets_chk.c: New file.
* debug/fgets_u_chk.c: New file.
* debug/getcwd_chk.c: New file.
* debug/getwd_chk.c: New file.
* debug/readlink_chk.c: New file.
* debug/read_chk.c: New file.
* debug/pread_chk.c: New file.
* debug/pread64_chk.c: New file.
* debug/recv_chk.c: New file.
* debug/recvfrom_chk.c: New file.
* debug/Versions: Add all new functions with version GLIBC_2.4.
* debug/Makefile (routines): Add fgets_chk, fgets_u_chk, read_chk,
pread_chk, pread64_chk, recv_chk, recvfrom_chk, readlink_chk,
getwd_chk, and getcwd_chk. Plus appropriate CFLAGS definitions.
* debug/tst-chk1.c: Add more tests.
* libio/bits/stdio2.h: Add macros for fgets and fgets_unlocked.
* include/stdio.h: Declare __fgets_chk and __fgets_unlocked_chk.
* posix/unistd.h: Include <bits/unistd.h> for fortification.
* posix/bits/unistd.h: New file.
* posix/Makefile (headers): Add bits/unistd.h.
* socket/sys/socket.h: Include <bits/socket2.h> for fortification.
* socket/bits/socket2.h: New file.
* socket/Makefile (headers): Add bits/socket2.h.
* string/bits/string3.h: Extend memset macro to check for zero 3rd
parameter and use __memset_zero_constant_len_parameter in that case.
* sysdeps/generic/memset_chk.c: Add
__memset_zero_constant_len_parameter alias and linker warning.
* debug/Versions: Add __memset_zero_constant_len_parameter to libc
with version GLIBC_2.4.
* sysdeps/generic/bits/types.h: Don't unnecessarily use __extension__
in __STD_TYPE definition.
2005-02-21 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (malloc_printerr): If MALLOC_CHECK_={5,7}, print
the error message rather than program name.
2005-02-21 Ulrich Drepper <drepper@redhat.com>
* 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>
* Makefile (installed-stubs): New variable.
Set to $(inst_includedir)/gnu/stubs.h if $(biarch) is no,
or to $(inst_includedir)/gnu/stubs-$(biarch).h if otherwise.
[$(biarch) != no] (install-others-nosubdir): Add $(installed-stubs).
($(inst_includedir)/gnu/stubs.h): Use $(installed-stubs) for this
rule's target.
($(inst_includedir)/gnu/stubs.h): New target, install from ...
* include/stubs-biarch.h: New file.
* shlib-versions (i.86-.*-.*): Add WORDSIZE64 line mapping to x86_64.
* Makeconfig ($(common-objpfx)soversions.mk): Depend on Makeconfig.
Emit defn for variable `biarch'.
* include/stub-tag.h: Update comment.
* include/libc-symbols.h (stub_warning): Emit a marker section called
.gnu.glibc-stub.NAME.
* Makerules ($(objpfx)stubs): Depend on object files, not dep files.
Use objdump to collect those marker section names.
($(common-objpfx)shlib.lds): Discard .gnu.glibc-stub.* sections.
* nscd/nscd.c (termination_handler): Avoid segfault if some database
is not enabled.
* nscd/nscd_getai.c (__nscd_getai): If ai_resp->found == -1, set
__nss_not_use_nscd_hosts and return -1.
* nscd/nscd_initgroups.c (__nscd_getgrouplist): If
initgr_resp->found == -1, set __nss_not_use_nscd_group and return -1.
Avoid leaking sockets.
2005-01-28 Andreas Schwab <schwab@suse.de>
H.J. Lu <hongjiu.lu@intel.com>
[BZ #677]
* elf/dl-runtime.c (fixup): Change return type to
DL_FIXUP_VALUE_TYPE. Use DL_FIXUP_VALUE_TYPE,
DL_FIXUP_MAKE_VALUE and DL_FIXUP_VALUE_CODE_ADDR for relocation
values. Use DL_FIXUP_VALUE_ADDR and DL_FIXUP_ADDR_VALUE to
store and retrieve relocation values.
(profile_fixup): Likewise.
* include/link.h (link_map): Use DL_FIXUP_VALUE_TYPE for
l_reloc_result.
* sysdeps/generic/dl-fptr.h (link_map): Forward declaration.
* sysdeps/generic/dl-lookupcfg.h (DL_FIXUP_VALUE_TYPE): New.
(DL_FIXUP_MAKE_VALUE): Likewise.
(DL_FIXUP_VALUE_CODE_ADDR): Likewise.
(DL_FIXUP_VALUE_ADDR): Likewise.
(DL_FIXUP_ADDR_VALUE): Likewise.
* sysdeps/ia64/dl-lookupcfg.h: Include <dl-fptr.h> for "struct fdesc".
(DL_FIXUP_VALUE_TYPE): New.
(DL_FIXUP_MAKE_VALUE): Likewise.
(DL_FIXUP_VALUE_CODE_ADDR): Likewise.
(DL_FIXUP_VALUE_ADDR): Likewise.
(DL_FIXUP_ADDR_VALUE): Likewise.
* sysdeps/ia64/dl-machine.h (elf_machine_profile_fixup_plt): Removed.
(elf_machine_profile_plt): Removed.
(elf_machine_fixup_plt): Change return type and type of value
parameter to struct fdesc.
(elf_machine_plt_value): Likewise.
(elf_machine_rela): Use DL_FIXUP_MAKE_VALUE to construct
argument for elf_machine_fixup_plt.
2005-02-07 Jakub Jelinek <jakub@redhat.com>
2004-11-15 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex24.c: Include string.h.
* nis/nis_clone_obj.c (nis_clone_object): Rename out3 label to out2
and out2 to out. Remove out label. Formatting.
2004-11-15 Ulrich Drepper <drepper@redhat.com>
* include/stdio.h: Do not mark __libc_message as noreturn.
* sysdeps/unix/sysv/linux/libc_fatal.c (__libc_fatal): Add loop to
fool gcc. Include <stdbool.h>.
* sysdeps/posix/libc_fatal.c (__libc_fatal): Add loop to fool gcc.
(__libc_message): Fix typo.
2004-11-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/libc_fatal.c: Add new function __libc_message
which performs the printing and simple format string handling. The
string is written to tty, stderr, syslog in this order, stopping after
the first successful output.
(__libc_fatal): Call __libc_message.
* include/stdio.h: Declare __libc_message.
* malloc/malloc.c (malloc_printerr): Use __libc_message.
* debug/chk_fail.c: Also print message with __libc_message.
* debug/test-strcpy_chk.c: Ensure that debug messages are not printed
to the terminal or stderr.
* debug/tst-chk1.c: Likewise.
* posix/Makefile: Remove gpl2lgpl variable.
2004-10-24 Ulrich Drepper <drepper@redhat.com>
* include/libc-symbols.h: Define hidden attribute macros for
libnss_files.
* include/netdb.h: Use libnss_files_hidden_proto for the parsers
defined in libnss_files, not libc_hidden_proto.
* include/netinet/ether.h: Likewise.
* include/rpc/netdb.h: Likewise.
* nss/nss_files/files-parse.c: Use hidden_def in parser definitions
instead of libc_hidden_def.
* nss/nss_files/files-netgrp.c: Add libnss_files_hidden_def to
_nss_netgroup_parseline definition.
2004-10-18 Jakub Jelinek <jakub@redhat.com>
* elf/dl-libc.c (__libc_dlsym_private, __libc_register_dl_open_hook):
New functions.
(__libc_dlopen_mode): Call __libc_register_dl_open_hook and
__libc_register_dlfcn_hook.
* dlfcn/Makefile (routines, elide-routines.os): Set.
Add rules to build and test tststatic2.
* dlfcn/tststatic2.c: New test.
* dlfcn/modstatic2.c: New test module.
* dlfcn/dladdr.c: Call _dlfcn_hook from libdl.so if not NULL.
Define __ prefixed routine in libc.a and in libdl.a just call it.
* dlfcn/dladdr1.c: Likewise.
* dlfcn/dlclose.c: Likewise.
* dlfcn/dlerror.c: Likewise.
* dlfcn/dlinfo.c: Likewise.
* dlfcn/dlmopen.c: Likewise.
* dlfcn/dlopen.c: Likewise.
* dlfcn/dlopenold.c: Likewise.
* dlfcn/dlsym.c: Likewise.
* dlfcn/dlvsym.c: Likewise.
* dlfcn/sdladdr.c: New file.
* dlfcn/sdladdr1.c: New file.
* dlfcn/sdlclose.c: New file.
* dlfcn/sdlerror.c: New file.
* dlfcn/sdlinfo.c: New file.
* dlfcn/sdlopen.c: New file.
* dlfcn/sdlsym.c: New file.
* dlfcn/sdlvsym.c: New file.
* dlfcn/Versions (libdl): Export _dlfcn_hook@GLIBC_PRIVATE.
* include/dlfcn.h (DL_CALLER_DECL, DL_CALLER RETURN_ADDRESS): Define.
(struct dlfcn_hook): New type.
(_dlfcn_hook): New extern decl.
(__dlopen, __dlclose, __dlsym, __dlerror, __dladdr, __dladdr1,
__dlinfo, __dlmopen, __libc_dlsym_private,
__libc_register_dl_open_hook, __libc_register_dlfcn_hook): New
prototypes.
(__dlvsym): Use DL_CALLER_DECL.
* include/libc-symbols.h: Define libdl_hidden_proto and friends.
* malloc/arena.c (_dl_open_hook): Extern decl.
(ptmalloc_init): Don't call _dl_addr when dlopened from statically
linked programs but don't use brk for them either.
Ulrich Drepper
Roland McGrath
Andreas Jaeger
Jakub Jelinek