2005-01-09 Ulrich Drepper <drepper@redhat.com>
* elf/dl-debug.c (_dl_debug_initialize): Take extra parameter and
use it to select the r_debug structure for that namespace.
* elf/dl-close.c (_dl_close): Adjust call to _dl_debug_initialize.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
* elf/dl-open.c (_dl_open): Likewise.
* elf/rtld.c (dl_main): Likewise.
* sysdeps/generic/ldsodefs.h (struct link_namespaces): Add _ns_debug
member.
(_dl_debug_initialize): Add new parameter in declaration.
* elf/dl-close.c (_dl_close): Make sure auditing callbacks are not
called for the auditing objects themselves.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
2005-01-05 Steven Munroe <sjmunroe@us.ibm.com>
* elf/rtld.c (dl_main) [NEED_DL_SYSINFO_DSO]: Insure l_map_end and
l_text_end are set for a VDSO with a single PT_LOAD entry.
piping to cat; when not, don't use the pipe at all.
Pipe to cat in all cases of running the executable.
When direct running exits with code 5, retry running via ${RTLD}.
* elf/rtld.c (process_envvars): If __libc_enable_secure and
mode != normal, exit with exitcode 5.
2004-12-01 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (process_envvars): Don't consider LD_SHOW_AUXV
and LD_DYNAMIC_WEAK if __libc_enable_secure.
If __libc_enable_secure, /etc/suid-debug doesn't exist and
program will be actually run, turn off all debugging.
* sysdeps/generic/unsecvars.h (UNSECURE_ENVVARS): Add LD_DEBUG,
LD_DYNAMIC_WEAK and LD_SHOW_AUXV.
2004-11-13 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (print_statistics): Avoid segfaults if not all namespaces
are used. Fix computation of num_relative_relocations on RELA
architectures other than IA-64 and Alpha.
2004-11-13 Ulrich Drepper <drepper@redhat.com>
* malloc/malloc.c (_int_free): Use munmap_chunk for handling
mmaped memory.
_dl_sysinfo_dso under [NEED_DL_SYSINFO_DSO] as well.
* elf/rtld.c (dl_main): Set up GLRO(dl_sysinfo_dso) under
[NEED_DL_SYSINFO_DSO] as well.
* sysdeps/generic/dl-sysdep.c (_dl_show_auxv): Always include
AT_SYSINFO and AT_SYSINFO_EHDR in name table.
(_dl_sysdep_start) [NEED_DL_SYSINFO_DSO]: Match AT_SYSINFO_EHDR.
* elf/dl-support.c (_dl_sysinfo_dso): Define also under
[NEED_DL_SYSINFO_DSO].
(_dl_aux_init) [NEED_DL_SYSINFO || NEED_DL_SYSINFO_DSO]:
Match AT_SYSINFO_EHDR and set GL(dl_sysinfo_dso).
2004-11-05 Roland McGrath <roland@redhat.com>
2004-10-14 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_dl_start): Fix one last dl_loaded.
* elf/dl-load.c (_dl_map_object_from_fd): Avoid definition of
label when it is not needed.
* elf/dl-close.c (_dl_close): Typo: & -> &&.
Update.
Add support for namespaces in the dynamic linker.
* dlfcn/Makefile (libdl-routines): Add dlmopen.
* dlfcn/Versions [libdl, GLIBC_2.3.4]: Add dlmopen.
* dlfcn/dlfcn.h: Define Lmid_t, LM_ID_BASE, and LM_ID_NEWLM.
Declare dlmopen. Document RTLD_DI_LMID.
* dlfcn/dlinfo.c: Handle RTLD_DI_LMID.
* dlfcn/dlmopen.c: New file.
* dlfcn/dlopen.c: Pass new parameter to _dl_open.
* dlfcn/dlopenold.c: Likewise.
* elf/dl-addr.c: Adjust for removal of GL(dl_loaded).
* elf/dl-caller.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-conflict.c: Likewise.
* elf/dl-debug.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-version.c: Likewise.
* elf/do-lookup.h: Likewise.
* elf/rtld.c: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise.
* elf/dl-depsc: Likewise. Add new parameter to _dl_map_object.
* elf/dl-fini.c: Call destructors in all namespaces.
* elf/dl-iteratephdr.c: Compute total nloaded. Adjust for removal of
GL(dl_loaded).
* elf/dl-libc.c: Pass new parameter to _dl_open. Adjust for removal
of GL(dl_loaded).
* elf/dl-load.c (_dl_map_object_from_fd): Don't load ld.so a second
time. Reuse the one from the main namespace in all others.
Pass new parameter to _dl_new_object.
Adjust for removal of GL(dl_loaded).
* elf/dl-object.c: Take new parameter. Use it to initialize l_ns.
Adjust for removal of GL(dl_loaded).
* elf/dl-open.c (_dl_open): Take new parameter.
Adjust for removal of GL(dl_loaded).
* elf/dl-support.c: Replace global _dl_loaded etc variables with
_dl_ns variable.
* include/dlfcn.h: Adjust prototype of _dl_open.
Define __LM_ID_CALLER.
* include/link.h: Add l_real, l_ns, and l_direct_opencount elements.
* sysdeps/generic/dl-tls.c: Bump TLS_STATIC_SURPLUS. Since libc is
using TLS we need memory appropriate to the number of namespaces.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Replace _dl_loaded,
_dl_nloaded, _dl_global_scope, _dl_main_searchlist, and
_dl_global_scope_alloc with _dl_ns element. Define DL_NNS.
Adjust prototypes of _dl_map_object and member in rtld_global_ro.
* malloc/malloc.c: Include <dlfcn.h>.
* malloc/arena.c (ptmalloc_init): If libc is not in primary namespace,
never use brk.
* elf/Makefile: Add rules to build and run tst-dlmopen1 and
tst-dlmopen2.
* elf/tst-dlmopen1.c: New file.
* elf/tst-dlmopen1mod.c: New file.
* elf/tst-dlmopen2.c: New file.
* elf/dl-close.c: Improve reference counting by tracking direct loads.
* elf/dl-lookup.c (add_dependency): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise.
* elf/rtld.c (dl_main): Likewise.
2004-09-09 GOTO Masanori <gotom@debian.or.jp>
[BZ #77]
* elf/dl-close.c: Count down l_opencount to check not only for
l_reldeps, but also l_initfini.
2004-10-13 Ulrich Drepper <drepper@redhat.com>
2004-09-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/bits/dlfcn.h: Add RTLD_DEEPBIND.
* elf/dl-object.c (_dl_new_object): Add new parameter mode. If mode
has RTLD_DEEPBIND set add local searchlist before global scope.
* sysdeps/generic/ldsodefs.h (_dl_new_object): Adjust prototype.
* elf/rtld.c: Adjust callers of _dl_new_object.
* elf/dl-load.c: Likewise.
(_dl_map_object_from_fd): If RTLD_DEEPBIND is used, don't do anything
for DF_SYMBOLIC.
* elf/dl-open.c (dl_open_writer): Pass RTLD_DEEPBIND flag on to
_dl_map_object_deps.
* elf/tst-deep1.c: New file.
* elf/tst-deep1mod1.c: New file.
* elf/tst-deep1mod2.c: New file.
* elf/tst-deep1mod3.c: New file.
* elf/Makefile: Add rules to build and run new tests.
* elf/dl-deps.c: Pretty printing.
2004-09-20 Ulrich Drepper <drepper@redhat.com>
* elf/dl-load.c (_dl_map_object_from_fd): Add some error checking.
Reorder code slightly.
* elf/rtld.c (dl_main): No need to check whether l_info[DT_HASH]
is non-null, _dl_setup_hash will do that.
2004-09-17 Ulrich Drepper <drepper@redhat.com>
* include/link.h (struct link_map): Add l_used element.
* sysdeps/generic/ldsodefs.h: Define DL_DEBUG_UNUSED.
* elf/rtld.c (process_dl_debug): Recognize unused.
(dl_main): When unused debug flag is set check for unused direct
dependencies.
When printing dependencies and SONAME starts with /, omit the SONAME =>
part.
* elf/dl-lookup.c (_dl_lookup_symbol_x): Mark object in which the
symbol has been found as used.
* elf/ldd.bash.in: Add -u option.
2004-07-10 Ulrich Drepper <drepper@redhat.com>
* elf/ldconfig.c: Define PROCINFO_CLASS as static before including
ldsodefs.h.
* sysdeps/generic/ldsodefs.h: Only define PROCINFO_CLASS if it is not
already defined.
* sysdeps/i386/dl-procinfo.c: Define PROCINFO_CALLS only if not
already defined.
* elf/rtld.c (print_statistics): Mark with noinline attribute.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Mark with always_inline
attribute.
(elf_machine_rel_relative): Likewise.
* include/string.h: Add libc_hidden_proto for __strtok_r and
__strsep_g.
* sysdeps/generic/strsep.c: Add libc_hidden_def.
* sysdeps/generic/strtok_r.c: Likewise.
* sysdeps/i386/strtok_r.S: Add alias for internal symbol.
* sysdeps/i386/i686/strtok_r.S: Likewise.
* sysdeps/x86_64/strtok_r.S: Likewise.
2004-07-09 Alexandre Oliva <aoliva@redhat.com>
* inet/getnetgrent_r.c (internal_setnetgrent): Make it hidden
instead of internal-linkage, such that we can alias to it.
(internal_endnetgrent, internal_getnetgrent_r): Likewise.
2004-07-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-init.c: Don't define and use _dl_starting_up if
HAVE_INLINED_SYSCALLS is defined and the variable is not used.
* elf/dl-support.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-misc.c (_dl_debug_vdprintf): Use writev syscall directly
if HAVE_INLINED_SYSCALLS is defined.
* sysdeps/powerpc/powerpc64/dl-machine.h: Don't rest _dl_starting_up
here.
* sysdeps/powerpc/powerpc32/dl-start.S: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Define HAVE_INLINED_SYSCALLS.
* config.h.in: Add entry for HAVE_INLINED_SYSCALLS.
* sysdeps/posix/profil.c: If compiled for ld.so, omit code which
is needed to stop profiling.
* elf/dl-open.c (dl_open_worker): If a newly opened object is to be
profile make sure it cannot be unloaded.
* sysdeps/unix/sysv/linux/dl-origin.c: Inline readlink syscall.
* sysdeps/unix/sysv/linux/fcntl.c: If compiled without cancellation
support, make sure the helper function is inlined.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Likewise.
2004-03-06 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c: We don't need for specialized lookup functions.
Combining the functionality does not slow down relocation processing,
it might even speed it up a little.
* sysdeps/generic/ldsodefs.h: Adjust prototypes for lookup function.
Add only one function pointer to rtlf_global_ro.
* elf/do-lookup.h: Replace #ifs with ifs.
* elf/dl-libc.c: Adjust _dl_lookup_* callers.
* elf/dl-reloc.c: Likewise.
* elf/dl-runtime.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/rtld.c: Likewise. Adjust _rtld_global_ro initialization.
* sysdeps/generic/ldsodefs.h (__rtld_local_attribute__,
__rtld_global_attribute__): Undef after use.
(_rtld_local_ro): Define __rtld_local_attribute__ with just hidden
if available.
* sysdeps/alpha/Subdirs: New file.
* sysdeps/alpha/soft-fp/Makefile: New file.
* sysdeps/alpha/soft-fp/Versions: New file.
* sysdeps/alpha/soft-fp/local-soft-fp.h: New file.
* sysdeps/alpha/soft-fp/ots_add.c: New file.
* sysdeps/alpha/soft-fp/ots_cmp.c: new file.
* sysdeps/alpha/soft-fp/ots_cmpe.c: New file.
* sysdeps/alpha/soft-fp/ots_cvtqux.c: New file.
* sysdeps/alpha/soft-fp/ots_cvtqx.c: New file.
* sysdeps/alpha/soft-fp/ots_cvttx.c: New file.
* sysdeps/alpha/soft-fp/ots_cvtxq.c: New file.
* sysdeps/alpha/soft-fp/ots_cvtxt.c: New file.
* sysdeps/alpha/soft-fp/ots_div.c: New file.
* sysdeps/alpha/soft-fp/ots_mul.c: New file.
* sysdeps/alpha/soft-fp/ots_nintxq.c: New file.
* sysdeps/alpha/soft-fp/ots_sub.c: New file.
2004-03-06 Ulrich Drepper <drepper@redhat.com>
* elf/dl-open.c: No need to pass any parameter to _dl_start_profile.
They are the same in both places.
* elf/dl-profile.c: Likewise.
* elf/rtld.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* elf/dl-support.c: Define _dl_profile_output variable. Initialize it.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Move
dl_debug_fd to rtld_global_ro.
* elf/rtld.c: Use GLRO instead of GL for dl_debug_fd.
* elf/dl-misc.c: Likewise.
* elf/rtld.c (dl_main): Adjust l->l_ld of the vDSO by l->l_addr.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Only set
GL(dl_sysinfo) if non-zero.
2004-02-26 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (dl_main): Correctly set up l_map_end and l_addr
in vDSO's link_map, don't assume l_addr == 0. Set GL(dl_sysinfo)
from e_entry only if AT_SYSINFO not present and adjust by l_addr.
Take vDSO into account when inserting rtld into _dl_loaded chain.
2004-02-19 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/generic/libc-start.c [LIBC_START_DISABLE_INLINE] (STATIC):
Define as static.
* sysdeps/powerpc/elf/libc-start.c: Define LIBC_START_DISABLE_INLINE
because gcc does not allow inline of functions that call setjmp.
2004-02-19 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc64/Makefile: Use -finline-limit.
2004-02-19 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_dl_argv): If DL_ARGV_NOT_RELRO defined, don't
use attribute_relro for _dl_argv.
* sysdeps/alpha/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/ia64/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/sparc/sparc32/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
* sysdeps/sparc/sparc64/dl-machine.h (DL_ARGV_NOT_RELRO): Define.
vfork instead of fork.
2004-01-22 Jakub Jelinek <jakub@redhat.com>
* elf/dl-reloc.c (_dl_relocate_object): Move PT_GNU_RELRO protection
into...
(_dl_protect_relro): New routine.
* sysdeps/generic/ldsodefs.h (_dl_protect_relro): New prototype.
* elf/rtld.c (_dl_start_final): Copy l_relro_addr and l_relro_size
from bootstrap_map.
(_dl_main): Don't set GL(_dl_loaded)->l_relro_{addr,size} here.
Call _dl_protect_relro for libraries if prelinking.
2004-01-14 Ulrich Drepper <drepper@redhat.com>
* configure.in: Define HAVE_Z_RELRO if the linker supports -z relro.
* config.h.in: Add entry for HAVE_Z_RELRO.
* include/libc-symbols.h: Define attribute_relro.
* elf/dl-load.c: Add attribute_relro to env_path_list, capstr, ncapstr,
max_capstrlen, and max_dirnamelen definitions.
* elf/rtld.c: Add attribute_relro to _dl_argc, _dl_argv, _dl_skip_args,
load_time, start_time, library_path, preloadlist, version_info,
any_debug.
Remove rtld_total_time. Make it a local variable. Pass pointer to
it to print_statistics. Change print_statistics accordingly.
* sysdeps/generic/dl-sysdep.c: Add attribute_relro to _dl_auxv. Use
attribute_relro instead of explicitly assigning variable to the
.data.rel.ro section for __libc_enable_secure and __libc_stack_end.
* sysdeps/generic/ldsodefs.h: Declare __libc_stack_end, _dl_argc,
_dl_argv, _dl_argv_internal with attribute_relro.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/dl-machine.h: Include <tls.h>.
* elf/rtld.c (_dl_start_final): Initialze __libc_stack_end here.
* sysdeps/generic/dl-sysdep.c: Define __libc_stack_end with
rtld_hidden_def and move into .data.rel.ro section.
* sysdeps/generic/ldsodefs.h: Declare __libc_stack_end with
rtld_hidden_proto.
* sysdeps/generic/libc-start.c: Only initialize __libc_stack_end here
if !SHARED.
* sysdeps/unix/sysv/linux/dl-execstack.c
(_dl_make_stack_executable): Move common code in front. Use
__builtin_expect.
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.
2003-12-17 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c: Don't use strong_alias to define _rtld_local. This
removes the visibility attributes which might be defined earlier
for some gcc versions. Instead spell out what strong_alias does
plus the visibility.
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.
2003-11-25 Ulrich Drepper <drepper@redhat.com>
* posix/runptests.c (main): Make errors fatal.
* posix/PTESTS: One test in GA135 and GA136 check functionality
which seems not guaranteed.
2003-11-25 Jakub Jelinek <jakub@redhat.com>
* posix/regexec.c (re_search_internal): If prune_impossible_nodes
returned REG_NOMATCH, set match_last to -1. Don't initialize
pmatch[0] needlessly. Fix comment.
(prune_impossible_nodes): Don't segfault on NULL state_log entry.
(set_regs): Fix comment.
* posix/regcomp.c (parse_bracket_exp): Only set has_plural_match
if adding both SIMPLE_BRACKET and COMPLEX_BRACKET.
(build_charclass_op): Set has_plural_match if adding both
SIMPLE_BRACKET and COMPLEX_BRACKET.
* posix/bug-regex11.c (tests): Fix register values for one commented
out test. Add new tests.
* posix/regex_internal.c (re_string_allocate): Make sure init_len
is at least dfa->mb_cur_max.
(re_string_reconstruct): If is_utf8, don't fall back into
re_string_skip_chars just because idx points into a middle of
valid UTF-8 character. Instead, set the wcs bytes which correspond
to the partial character bytes to WEOF.
* posix/regexec.c (re_search_internal): Allocate input.bufs_len + 1
instead of dfa->nodes_len + 1 state_log entries initially.
* posix/bug-regex20.c (main): Uncomment backwards case insensitive
tests.
* include/dlfcn.h (__RTLD_OPENEXEC): Define.
* elf/dl-load.c (_dl_map_object_from_fd): Don't allow loading
executables unless __RTLD_OPENEXEC flag is present.
* elf/rtld.c (dl_main): Pass __RTLD_OPENEXEC flag to
_dl_map_object when loading the executable.
reverse lookup format for IPv6 addresses is using bitstring and
* resolv/ns_name.c: Implement encoding and decoding bitstring in
Ulrich Drepper
Jakub Jelinek
Roland McGrath