(_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.
* configure: Regenerated.
* sysdeps/sparc/sparc32/sparcv9v/memcpy.S: New file.
* sysdeps/sparc/sparc32/sparcv9v/memset.S: New file.
* sysdeps/sparc/sparc64/sparcv9v/memcpy.S: New file.
* sysdeps/sparc/sparc64/sparcv9v/memset.S: New file.
($(all-subdirs-targets)): Use it in place of -C option.
* Rules: Use $(..) instead of ../ if it's already defined.
* Makeconfig (subdir-srcdirs): New variable.
* csu/Makefile (all-Banner-files): Use it.
* configure.in (--enable-add-ons): Set to "yes" by default.
Handle absolute add-on directory names when looking for configure
fragments. Also look for sysdeps/*/preconfigure fragments in add-ons.
Require add-on configure to set $libc_add_on_canonical, use
that in $add_ons_sfx. Substitute add_on_subdirs with computed list
of subdir names each add-on configure set in libc_add_on_subdirs.
* configure: Regenerated.
* Makefile (%/preconfigure: %/preconfigure.in): New pattern rule.
* config.make.in (add-on-subdirs): New substituted variable.
* Makeconfig (all-subdirs): Include $(add-on-subdirs).
Remove $(add-ons), $(sysdep-subdirs).
Don't filter out $(sysdep-inhibit-subdirs).
($(common-objpfx)sysd-dirs): Target removed. Don't include it.
($(common-objpfx)sysd-sorted): Rewritten to feed Depend and Subdirs
files together to gen-sorted.awk, and $(subdirs) via -v.
(subdirs): Remove magic reordering for mach and hurd.
* scripts/gen-sorted.awk: Use subdirs from command line.
Process Subdirs and Depend files directly.
Let Subdirs files use "first dir" and "inhibit dir".
Always move elf to the end of the list.
* hurd/Depend: New file.
* sysdeps/mach/Subdirs: Use "first mach".
* Makefile (dist-separate): Remove linuxthreads.
(dist-separate-linuxthreads): Variable removed.
(glibc-%.tar rule): Use $(sysdeps-add-ons).
* Makerules ($(common-objpfx)Versions.v.i): Use $(subdirs),
not $(all-subdirs).
(sysdep-makefiles): Use $(sysdirs).
(sysdirs): Remove export.
($(+sysdir_pfx)sysd-rules): Handle absolute directory names in
$(config-sysdirs).
(+sysdir_pfx): Variable removed.
(sysd-rules): Use $(common-objpfx) in place of it.
(sysdirs): Variable moved to ...
* Makeconfig (sysdirs): ... here.
Handle absolute directory names in $(config-sysdirs).
(full_config_sysdirs): Variable removed.
* csu/Makefile: Use $(sysdirs) in vpath directive.
* math/Makefile (ulps-file): Use $(sysdirs).
* sysdeps/gnu/Makefile (errlist-c): Likewise.
($(objpfx)errlist-compat.c): Likewise.
* Makeconfig (all-Subdirs-files): Likewise.
($(common-objpfx)config.status): Likewise.
* configure.in (sysnames): Handle absolute add-on directory names.
(sysdeps_add_ons): New variable, AC_SUBST it.
Compute which add-ons contributed sysdeps directories.
* configure: Regenerated.
* config.make.in (sysdeps-add-ons): New substituted variable.
* Makerules (+sysdep_dirs, +sysdep-includes): Variables moved ...
* Makeconfig: ... to here.
(+sysdep_dirs): Append $(sysdeps-add-ons) here.
(+includes): Remove $(objpfx) include, already in $(+sysdep_dirs).
Remove $(includes).
(sysdep-makeconfigs): Use $(+sysdep_dirs).
($(common-objpfx)shlib-versions.v.i): Likewise.
* Makeconfig: Remove hair to set Makeconfig-add-on.
* sysdeps/unix/Makefile (sysdirs): Remove export.
(asm_CPP): Variable removed.
($(common-objpfx)sysd-syscalls): Pass them directly for the script.
* sysdeps/posix/Makefile: New file.
* Makerules (L_tmpnam, TMP_MAX, L_ctermid, L_cuserid): Set non-posix
values here with ?=.
* stdlib/gen-mpn-copy: File removed.
* stdlib/Makefile (distribute): Remove it.
* configure.in: Don't grok --with-gmp.
* configure: Regenerated.
* configure.in (libc_cv_idn): Don't check it; libidn/configure does it.
* configure: Regenerated.
* bare: Directory removed, saved in ports repository.
Roland McGrath <roland@redhat.com>
* configure.in (fno_unit_at_a_time): Set to
-fno-toplevel-reorder if the compiler supports it.
Otherwise use -fno-unit-at-a-time unconditionally.
* configure: Regenerated.
sysdeps/.../machine/CPU subdirs, and give error if none are found.
* configure: Regenerated.
* config.make.in (with-cpu): New substituted variable.
* Makeconfig (+cflags): Add -mcpu=$(with-cpu) if set.
2005-11-04 Roland McGrath <roland@redhat.com>
[BZ #1089]
* configure.in: Change order of add-on sysdeps directories,
so they are interleaved with main sysdeps directories.
* configure: Regenerated.
* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
* config.h.in: Define HAVE_LIBAUDIT.
* config.make.in: Define have-libaudit.
* nscd/Makefile: If libaudit is available, link nscd with it.
* nscd/selinux.c: If HAVE_LIBAUDIT is defined, log using libaudit.
Patch by Steve Grubb <sgrubb@redhat.com>.
* sunrpc/Makefile: Remove CPPFLAGS-key_call.c definition.
* configure.in: Remove test for doors support which never existed.
* config.make.in: Remove have_doors entry.
* configure.in: Make sure at least gcc 3.4 is used. Undo last change.
* config.make.in: Undo last change.
* sysdeps/i386/Makefile ((CFLAGS-initfini.s): Unconditionally use
-mtune.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_NO_RELA): Define
unconditionally to (defined RTLD_BOOTSTRAP).
* sysdeps/arm/dl-machine.h (ELF_MACHINE_NO_RELA): Likewise.
2005-03-05 Jakub Jelinek <jakub@redhat.com>
(_dl_out_of_memory): Use rtld_hidden_proto.
* elf/dl-error.c (_dl_out_of_memory): Use rtld_hidden_data_def.
(_dl_signal_error): Don't use INTUSE on _dl_out_of_memory.
* elf/dl-open.c (_dl_open): Likewise.
* elf/dl-deps.c (_dl_map_object_deps): Likewise.
* sunrpc/des_impl.c (des_set_key): Make first argument unsigned char *.
* elf/dl-addr.c (_dl_addr): Add a cast.
* elf/unload3mod4.c: Declare foo.
* elf/testobj2.c: Include <stdio.h>.
* sysdeps/gnu/errlist.awk: Emit NERR macro for _sys_nerr_internal
value constant, and use it in the defn.
* sysdeps/gnu/errlist-compat.awk: Use NERR in array decl.
Use actual size for compat array decls.
* config.make.in (cc-mtune): New substituted variable.
* configure.in (libc_cv_cc_mtune): New test for -mtune= switch,
done only if libc_mtune_example is defined.
* configure: Regenerated.
* sysdeps/i386/configure.in (libc_mtune_example): Set it.
* sysdeps/i386/configure: Regenerated.
* sysdeps/i386/Makefile (CFLAGS-initfini.s): Use $(cc-mtune).
2004-09-08 H.J. Lu <hongjiu.lu@intel.com>
* Makeconfig (libunwind): New.
(libgcc_eh): Add $(libunwind).
(gnulib): Always set to -lgcc $(libgcc_eh).
(static-gnulib): Always set to -lgcc -lgcc_eh $(libunwind).
(libc.so-gnulib): New.
* Makerules (LDLIBS-c.so): Use $(libc.so-gnulib) instead of
$(static-gnulib).
* configure.in (libc_cv_cc_with_libunwind): Set to yes if gcc
uses -lunwind for static binaries.
indicating --enable-add-ons with no explicit list.
(running add-on fragments): Allow a fragment to modify $libc_add_on
and have that affect its place in the list of add-ons to use.
* configure: Regenerated.
Fix typo: $(add_ons) -> $(add-ons).
(Makeconfig-add-on): New variable. When doing $(sysdep-makeconfigs)
include, use black magic to get it set to an add-on's name during the
include of the add-on's Makeconfig.
* configure.in: Use variable name `libc_add_on' when sourcing add-on
configure fragments, so they can refer to this.
* configure: Regenerated.
after AC_CANONICAL_HOST and default setting of $machine et al.
Don't set $subdirs from $add_ons.
Instead, source add-on/configure fragments early on.
(base_machine): If it's already set, don't set it based on $machine.
(libc_config_ok): New variable, set to no. If an add-on fragment sets
it to yes, skip the tuple sanity check as if --enable-hacker-mode.
(sysnames): Try appending add-on names after machine as well.
* configure: Regenerated.
* config.make.in (add-ons): Set from @add_ons@ instead of @subdirs@.
* Makeconfig ($(common-objpfx)config.status): Also depend on configure
files in $(add_ons) dirs.
* sysdeps/unix/sysv/linux/bits/in.h (struct ip_mreq): Remove
definition, now in netinet/in.h proper.
long. Rewrite example code so that it takes into account l64a output
2004-03-30 H.J. Lu <hongjiu.lu@intel.com>
* Makeconfig (link-libc-static): Use $(static-gnulib) instead
of $(gnulib).
(libgcc_eh): New variable.
(gnulib): Use it variable.
(static-gnulib): New variable.
* Makerules (LDLIBS-c.so): Use $(static-gnulib) instead of $(gnulib).
* config.make.in (have-as-needed): New variable.
* configure.in: Check if linker supports --as-needed.
* config.h.in: Add entry for HAVE_LIBIDN.
* configure.in: If libidn add-on present define HAVE_LIBIDN.
* Versions.def: Add entry for libcidn.
2004-03-07 Simon Josefsson <jas@extundo.com>
* resolv/netdb.h [__USE_GNU]: Add new AI_IDN ai_flags for addrinfo.
[__USE_GNU]: Add new error code EAI_IDN_ENCODE for getaddrinfo.
* sysdeps/posix/getaddrinfo.c: Add prototype for __idna_to_ascii_lz
and define IDNA_SUCCESS.
(gaih_inet): If ai_flags have AI_IDN, invoke __idna_to_ascii_lz.
(getaddrinfo): Fix EAI_BADFLAGS test to include AI_IDN.
All changes only applicable when glibc is compiled with the libidn
add-on.
2004-03-07 Ulrich Drepper <drepper@redhat.com>
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* Makeconfig: Define relro-LDFLAGS if have-z-relro==yes. Add it to
LDFLAGS.so and LDFLAGS-rtld.
(+link): Add relro-LDFLAGS.
* Makeconfig (shlib.lds): Place __libc_subfreeres, __libc_atexit, and
__libc_thread_subfreeres sections after .jcr section.
* config.make.in: Add have-z-relro.
* configure.in: Add check for -z relro option.
* include/link.h (struct link_map): Add relro_addr and relro_size
members.
* elf/dl-load.c (_dl_map_object_from_fd): Recognize PT_GNU_RELRO.
* elf/dl-reloc.c (_dl_relocate_object): At the end, make relro
part of loaded segments read-only.
* elf/elf.h: Define PT_GNU_RELRO.
* elf/rtld.c (_dl_start): Recognize PT_GNU_RELRO of ld.so.
(dl_main): Recognize PT_GNU_RELRO of the application. Call
_dl_debug_initialize and initialize l_info[DT_DEBUG] before
relocations.
2003-12-02 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/elf/initfini.c: Add unwind info.
* sysdeps/ia64/dl-machine.h (elf_machine_matches_host): Mark with
attribute "unused".
(elf_machine_dynamic): Mark with attributes "unused" and "const".
(elf_machine_runtime_setup): Likewise.
* sysdeps/generic/dl-fptr.c (make_fptr_table): Mark with
attribute "always_inline".
* sysdeps/ia64/dl-machine.h (__ia64_init_bootstrap_fdesc_table):
Likewise.
* configure.in: Check whether compiler has libunwind support.
* config.make.in (have-cc-with-libunwind): New variable.
* config.h.in (HAVE_CC_WITH_LIBUNWIND): New macro.
* Makeconfig (gnulib): If have-cc-withh-libunwind is "yes", also
mention -lunwind.
003-11-12 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Define DO_CALL_VIA_BREAK.
Redefine DO_CALL to use vdso if supported, otherwise DO_CALL_VIA_BREAK.
Likewise for DO_INLINE_SYSCALL. Make INTERNAL_SYSCALL use
DO_INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/ia64/vfork.S: Use DO_CALL_VIA_BREAK()
instead of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/clone2.S: Use break directly instead
of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/brk.S (__curbrk): Restructure it
to take advantage of DO_CALL() macro.
* sysdeps/unix/sysv/linux/ia64/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/getcontext.S: Likewise.
* elf/rtld.c (dl_main): Restrict dl_sysinfo_dso check to first
program header. On ia64, the check failed previously because
there are two program headers.
* sysdeps/generic/s_nexttowardf.c: Likewise.
* math/bug-nexttoward.c: New file.
calling _dl_start, using GOTOFF access.
* configure.in (libc_cv_z_execstack): New check.
* configure: Regenerated.
* config.make.in (have-z-execstack): New variable set by it.
* elf/tst-execstack.c: New file.
* elf/tst-execstack-mod.c: New file.
* elf/tst-execstack-needed.c: New file.
* elf/Makefile (tests-execstack-yes, modules-execstack-yes): New
variables.
(tests, modules-names): Conditionally include them.
(distribute): Add tst-execstack-mod.c here.
($(objpfx)tst-execstack, $(objpfx)tst-execstack.out): New targets.
(LDFLAGS-tst-execstack, LDFLAGS-tst-execstack-mod): New variables.
($(objpfx)tst-execstack-needed): New target.
(LDFLAGS-tst-execstack-needed): New variable.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Add _dl_stack_flags
and _dl_make_stack_executable_hook. Declare _dl_make_stack_executable.
* elf/rtld.c (_rtld_global): Add initializer for _dl_stack_flags.
(dl_main): Reset _dl_stack_flags according to PT_GNU_STACK phdr.
Initialize _dl_make_stack_executable_hook.
* elf/dl-support.c: Define those new variables.
(_dl_non_dynamic_init): Scan phdrs for PT_GNU_STACK.
(_dl_phdr): Fix type.
* elf/dl-load.c (_dl_map_object_from_fd): Grok PT_GNU_STACK phdr and
enable execute permission for the stack if necessary.
* sysdeps/generic/dl-execstack.c: New file.
* elf/Makefile (dl-routines): Add it.
* elf/Versions (ld: GLIBC_PRIVATE): Add _dl_make_stack_executable.
* sysdeps/unix/sysv/linux/dl-execstack.c: New file.
* configure.in: Fix up use of compilation flags to match the build:
For .s files, $ASFLAGS;
For .S files, $CPPFLAGS $ASFLAGS;
For .c files, $CFLAGS $CPPFLAGS;
when linking, add $LDFLAGS.
* configure: Regenerated.
for ".set" assembler support.
* configure: Regenerated.
2003-03-31 Roland McGrath <roland@redhat.com>
* signal/tst-sigset.c: New file.
* signal/Makefile (tests): Add it.
Ignore exit status from diff.
* configure.in (enable_check_abi): Document possible value "warn".
Change default to no for now.
* configure: Regenerated.
* sysdeps/unix/Makefile ($(objpfx)stub-syscalls.c): Emit stub_warning
macro calls and a #include <stub-tag.h> at the end.
* Makerules ($(objpfx)stubs): Tweak sed commands.
* sysdeps/unix/sysv/linux/syscalls.list: Use - rather than EXTRA in
caller column for *xattr syscalls, since they are in sysdeps/generic.
* sysdeps/unix/sysv/linux/i386/setfsuid.c: setfsgid -> setfsuid
* sysdeps/unix/sysv/linux/i386/setfsgid.c: setfsuid -> setfsgid
2003-03-26 Roland McGrath <roland@redhat.com>
* Makerules (check-abi-config): Use /thread instead of /tls when
use-thread and not just use-tls is set.
* Makerules (update-abi): Put quotes around $(update-abi-config).
* elf/Makefile (check-abi): Depend on check-abi-ld.
(update-abi): Depend on update-abi-ld.
* config.make.in (enable-check-abi): New variable from configure.
* configure.in (enable_check_abi): New substituted variable,
controlled by --{enable,disable}-check-abi (default yes).
* configure: Regenerated.
* Makerules [$(enable-check-abi) = yes] (tests): Put this condition
on check-abi dependency.
constraint to permit non-constant BIT argument.
(atomic_bit_test_set): Likewise.
* sysdeps/x86_64/bits/atomic.h (atomic_bit_test_set): Likewise.
(atomic_bit_set): Likewise. Use 1UL in case that BIT might be >= 32.
For quadword case, use "i" constraint if __builtin_constant_p and < 32
or "r" constraint otherwise.
* configure.in: Move AC_PROG_CC and other program-finding before all
the version checks.
* configure: Regenerated.
* configure.in: New check for -g on .S files.
* configure: Regenerated.
* config.make.in (have-cpp-asm-debuginfo): New variable.
* config.h.in (HAVE_CPP_ASM_DEBUGINFO): New #undef.
* Makeconfig (ASFLAGS): New variable, if undefined and
$(have-cpp-asm-debuginfo), take options matching -g% from $(CFLAGS).
* Makerules (compile.S, COMPILE.S): Use $(ASFLAGS).
2003-02-25 Roland McGrath <roland@redhat.com>
* sysdeps/powerpc/powerpc64/dl-machine.h: Support new TLS relocs.
* sysdeps/powerpc/powerpc64/dl-tls.h: New file.
* configure.in (libc_cv_gcc_dwarf2_unwind_info check): Use libraries
`-lgcc -lgcc_eh -lgcc', not just `-lgcc -lgcc_eh' in link commands for
test leading to libc_cv_gcc_dwarf2_unwind_info=no_registry_needed.
* configure: Regenerated.
* configure.in: Replace AC_CONFIG_HEADER with AC_CONFIG_HEADERS,
add AC_HELP_STRING to all AC_ARG_WITH and AC_ARG_ENABLE macros,
add autoconf quotes to the AC_CONFIG_AUX_DIR macro.
* configure: Regenerated.
and then set $subdirs directly, because the new Autoconf breaks
compatibility in every way imaginable and insists on whining
about usage that worked since the dawn of time.
* configure: Regenerated.
variables and the AC_LINK_FILES call.
* sysdeps/powerpc/soft-fp/Versions (libc: GLIBC_2.3.2): Fix last
change to put new symbols here instead of in GLIBC_2.2.
* sysdeps/powerpc/Subdirs: Move this file ...
* sysdeps/powerpc/soft-fp/Subdirs: ... here.
Jakub Jelinek
Ulrich Drepper
Roland McGrath
Andreas Jaeger
Richard Henderson
Alexandre Oliva