Implement reference counting of scope records.
* elf/dl-close.c (_dl_close): Remove all scopes from removed objects
from the list in objects which remain. Always allocate new scope
record.
* elf/dl-open.c (dl_open_worker): When growing array for scopes,
don't resize, allocate a new one.
* elf/dl-runtime.c: Update reference counters before using a scope
array.
* elf/dl-sym.c: Likewise.
* elf/dl-libc.c: Adjust for l_scope name change.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* include/link.h: Inlcude <rtld-lowlevel.h>. Define struct
r_scoperec. Replace r_scope with pointer to r_scoperec structure.
Add l_scoperec_lock.
* sysdeps/generic/ldsodefs.h: Include <rtld-lowlevel.h>.
* sysdeps/generic/rtld-lowlevel.h: New file.
* include/atomic.h: Rename atomic_and to atomic_and_val and
atomic_or to atomic_or_val. Define new macros atomic_and and
atomic_or which do not return values.
* sysdeps/x86_64/bits/atomic.h: Define atomic_and and atomic_or.
Various cleanups.
* sysdeps/i386/i486/bits/atomic.h: Likewise.
2006-09-29 Ulrich Drepper <drepper@redhat.com>
[BZ #3273]
* nscd/nscd_initgroups.c (__nscd_getgrouplist): It is OK to have
found no group members.
Patch by Petr Baudis.
2006-09-29 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (_dl_start_final): If not USE___THREAD, don't
assert bootstrap_map.l_tls_modid is zero.
(_dl_start): Initialize bootstrap_map.l_tls_modid to 0
if USE___THREAD.
sure no reference to the unloaded map's search list remains in the
dependency's scope.
2006-09-16 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile: Add rules to build and run unload7 test.
* elf/unload7.c: New test.
* elf/unload7mod1.c: New file.
* elf/unload7mod2.c: New file.
at the end of the RO segment.
2006-09-04 Ulrich Drepper <drepper@redhat.com>
* elf/do-lookup.h (do_lookup_x): Initialize symidx in case the new
style hash table format is used.
2006-09-04 Jakub Jelinek <jakub@redhat.com>
ld.so.
* malloc/malloc.c (_int_malloc): Use full list insert and not
shortcut which assumes the list is empty for large requests
too.
* elf/tst-addr1.c (do_test): Allow i.dli_sname "_IO_printf".
2006-08-24 Ulrich Drepper <drepper@redhat.com>
[BZ #2683]
* elf/dl-addr.c (_dl_addr): Don't ignore all undefined symbols.
If symbol has a value use it.
* elf/tst-dladdr1.c: New file.
* elf/Makefile: Add rules to build and run tst-addr1.
2006-06-23 Joseph Myers <joseph@codesourcery.com>
[BZ #2980]
* posix/Makefile (CFLAGS-waitid.c): Add
-fasynchronous-unwind-tables.
2006-08-02 Ulrich Drepper <drepper@redhat.com>
* elf/dl-addr.c (_dl_addr): If GNU-style hash tables are present,
walk them instead of the symbol table.
(_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.
was allocated here. [Coverity CID 219]
* posix/getconf.c (print_all): Free confstr data after printing.
[Coverity CID 218]
* sysdeps/posix/getaddrinfo.c (gaih_inet): Free canon string if
list allocation fails. [Coverity CID 215]
* nss/nsswitch.c (__nss_configure_lookup): Fix loop end condition.
[Coverity CID 213]
* argp/argp-help.c (hol_entry_cmp): Don't call canon_doc_option if
string is NULL. [Coverity CID 212]
* argp/Makefile: Add rules to build and run bug-argp1.
* argp/bug-argp1.c: New file.
* io/ftw.c (ftw_dir): Use __rawmemchr instead of strchr to find
end of string.
* stdlib/canonicalize.c (__realpath): Likewise.
* locale/programs/ld-time.c (time_finish): Don't dereference NULL
pointer. [Coverity CID 206]
* elf/dl-dst.h (DL_DST_REQUIRED): Be prepared for missing link map
in statically linked code.
* elf/dl-load.c (_dl_dst_substitute): When replacing ORIGIN in
statically built code, be prepared to have no link map.
[Coverity CID 205]
* argp/argp-help.c (fill_in_uparams): Handle STATE==NULL in
dgettext calls. [Coverity CID 204]
* argp/argp-help.c (struct uparams): Remove valid member. Change
the one user.
(uparam_names): Reduce size. Avoid relative relocations.
Moved to read-only segment.
(fill_in_uparams): Update for new layout.
* sysdeps/unix/sysv/linux/ifaddrs.c (getifaddrs): Parameter can be
assumed to always be != NULL. [Coverity CID 202]
* argp/argp-help.c (hol_entry_help): Remove some dead code
[Coverity CID 200].
* nis/nss_nis/nis-service.c (_nss_nis_getservbyport_r): Optimize
away a few more unconditional yperr2nss calls.
(_nss_nis_getservbyname_r): Likewise.
invalid length [Coverity CID 106].
* nss/nss_files/files-key.c (search): Close stream before
successful return [Coverity CID 107].
* io/fts.c (fts_open): Don't allocate parent if *argv==NULL
[Coverity CID 108].
* sunrpc/rpc_cout.c (inline_struct): Free sizestr after use
[Coverity CID 110, 109].
* sunrpc/rpc_scan.c (docppline): Free file string if it is not
going to be used [Coverity CID 111].
* sysdeps/unix/sysv/linux/getsourcefilter.c (getsourcefilter): Free
memory if socket level value cannot be retrieved [Coverity CID 112].
* nis/nis_clone_dir.c (nis_clone_directory): Free all memory in
error case [Coverity CID 114].
* nis/nis_clone_res.c (nis_clone_result): Free all memory in the
error cases [Coverity CID 115].
* sunrpc/rpc_parse.c (get_definition): Free defp if tok ==
TOK_EOF [Coverity CID 116].
* sysdeps/unix/sysv/linux/setsourcefilter.c (setsourcefilter): Free
memory if socket level value cannot be retrieved [Coverity CID 117].
* elf/cache.c (save_cache): Initialize pad to avoid writing
uninitialized data to disk.
* elf/cache.c (save_cache): Free file_entries_new [Coverity CID 118].
* intl/finddomain.c (_nl_find_domain): Avoid strdup of expand
locale name, use strdupa. Remove free call [Coverity CID 119].
* sunrpc/rpc_main.c (generate_guard): Avoid extra allocation and
the resulting leak [Coverity CID 121].
* sunrpc/rpc_main.c (mkfile_output): Free all allocated memory
[Coverity CID 122].
* sunrpc/rpc_main.c (h_output): Free guard after we are done
[Coverity CID 123].
* sunrpc/svc_udp.c (cache_set): Free victim if newbuf allocation
fails [Coverity CID 126].
* sunrpc/svc_udp.c (svcudp_enablecache): Free memory in error
cases [Coverity CID 127].
* nis/nis_table.c (__create_ib_request): Free ibreq in case strdup
fails [Coverity CID 128].
* nis/nis_getservlist.c (nis_getservlist): Free all memory in case
of an error [Coverity CID 130, 129].
* nis/nis_print_group_entry.c (nis_print_group_entry): If
nis_lookup call failed, return. Free lookup result in error
cases [Coverity CID 131].
* nis/nis_removemember.c (nis_removemember): Free all memory in
error cases [Coverity CID 132].
* nis/nss_nisplus/nisplus-alias.c (_nss_nisplus_getaliasbyname_r):
Always free lookup result [Coverity CID 134].
* nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_gethostton_r):
Always free lookup result [Coverity CID 135].
* nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r):
Always free lookup result [Coverity CID 136].
* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r):
Before retrying, free old result [Coverity CID 137].
* nis/nss_nisplus/nisplus-publickey.c (_nss_nisplus_netname2user):
Free res in case UID is zero [Coverity CID 138].
* nis/ypclnt.c (yp_update): Always free master string
[Coverity CID 140].
* nis/nis_creategroup.c (nis_creategroup): Free all memory in
error cases [Coverity CID 143, 142, 141].
* nis/nss_nis/nis-publickey.c (_nss_nis_getpublickey): Free result
if yp_match call succeeded [Coverity CID 155].
* nis/nss_nis/nis-publickey.c (_nss_nis_getsecretkey): Free string
allocated in yp_match at all times [Coverity CID 157, 156].
* nscd/nscd.c (write_pid): Close stream also if writing failed
[Coverity CID 165].
* nis/nis_table.c (nis_add_entry): Move test for NULL parameter
ahead of first use [Coverity CID 167].
* nis/nss_nis/nis-alias.c (_nss_nis_getaliasbyname_r): Move test
for NULL parameter ahead of first use [Coverity CID 168].
* intl/finddomain.c (_nl_find_domain): We never return NULL if we
found the locale [Coverity CID 169].
* inet/getnameinfo.c (getnameinfo): __getservbyport_r does not set
herrno [Coverity CID 178].
* nis/nis_checkpoint.c (nis_checkpoint): Don't access and returned
freed object [Coverity CID 182].
From Alexandre Oliva <aoliva@redhat.com>.
* elf/tst-audit2.c: New file.
* elf/Makefile (tests): Add it.
($(objpfx)tst-audit2.out): New target.
(tst-audit2-ENV): New variable.
* elf/tst-leaks1.c: Include <stdio.h>.
2006-03-13 Jakub Jelinek <jakub@redhat.com>
[BZ #2451]
* elf/dl-load.c (open_verify): Add free_name argument, if true, free
name before calling lose.
(open_path): Adjust caller.
(_dl_map_object): Adjust callers. Free name_copy before calling
_dl_signal_error.
* elf/Makefile: Add rules to build and run tst-leaks1.
* elf/tst-leaks1.c: New test.
* elf/check-textrel.c: Include config.h.
(AB(handle_file)): Don't fail if PF_X | PF_W on architectures known
to have executable writable PLT.
* sysdeps/powerpc/powerpc32/configure.in (HAVE_PPC_SECURE_PLT): New
test.
* config.h.in (HAVE_PPC_SECURE_PLT): Add.
* malloc/malloc.c (MALLOC_ALIGNMENT): Set to __alignof__ (long double)
if long double is more aligned than 2 * SIZE_SZ.
(misaligned_chunk): Define.
(public_rEALLOc, _int_free, _int_realloc): Use it.
* elf/Makefile (tests): Add it.
($(objpfx)tst-tls-dlinfo): Depend on $(libdl).
($(objpfx)tst-tls-dlinfo.out): Depend on $(objpfx)tst-tlsmod2.so.
* dlfcn/dlfcn.h (RTLD_DI_PROFILENAME, RTLD_DI_PROFILEOUT): New enum
values, reserve unsupported requested names used on Solaris.
(RTLD_DI_TLS_MODID, RTLD_DI_TLS_DATA): New enum values.
(RTLD_DI_MAX): Likewise.
* dlfcn/dlinfo.c (dlinfo_doit): Handle RTLD_DI_TLS_MODID and
RTLD_DI_TLS_DATA.
* elf/dl-tls.c (_dl_tls_get_addr_soft): New function.
* sysdeps/generic/ldsodefs.h: Declare it.
* elf/Versions (ld: GLIBC_PRIVATE): Add it.
* elf/link.h (struct dl_phdr_info): New members dlpi_tls_modid,
dlpi_tls_data.
* elf/dl-iteratephdr.c (__dl_iterate_phdr): Fill them in.
* include/link.h: Don't copy contents from elf/link.h.
Instead, #include it while #define'ing around link_map.
* elf/dl-debug.c (_dl_debug_initialize): Add a cast.
Add bogus extern decl to verify link_map members.
* elf/loadtest.c (MAPS): New macro, cast _r_debug._r_map.
(OUT, main): Use it in place of _r_debug._r_map.
* elf/unload.c: Likewise.
* elf/unload2.c: Likewise.
* elf/neededtest.c (check_loaded_objects): Likewise.
* elf/neededtest2.c (check_loaded_objects): Likewise.
* elf/neededtest3.c (check_loaded_objects): Likewise.
* elf/neededtest4.c (check_loaded_objects): Likewise.
* elf/circleload1.c (check_loaded_objects): Likewise.
* sysdeps/sparc/dl-procinfo.h (HWCAP_IMPORTANT): Add it.
(_DL_HWCAP_COUNT): Increase to 7.
* sysdeps/sparc/dl-procinfo.c (_dl_sparc_cap_flags): Add "v9v".
From David S. Miller <davem@sunset.davemloft.net>.
* elf/Makefile: Add rules to build and run check-localplt.
* scripts/data/localplt-x86_64-linux-gnu.data: New file.
* scripts/data/localplt-i386-linux-gnu.data: New file.
Tom Gall <tom_gall@vnet.ibm.com>
* elf/rtld.c (dl_main): Initialize l_local_scope for sysinfo_map.
* sysdeps/powerpc/elf/libc-start.c: Move this...
* sysdeps/unix/sysv/linux/powerpc/libc-start.c: ...to here.
* sysdeps/powerpc/powerpc32/dl-start.S: Add _dl_main_dispatch label.
* sysdeps/powerpc/powerpc32/hp-timing.h: New file.
* sysdeps/unix/sysv/linux/powerpc/Versions: New file.
* sysdeps/unix/sysv/linux/clock_getres.c: If HAVE_CLOCK_GETRES_VSYSCALL
is not defined, redefine INTERNAL_VSYSCALL and INLINE_VSYSCALL to
INTERNAL_SYSCALL and INLINE_SYSCALL respectively. Otherwise include
<bits/libc-vdso.h>. Use INLINE_VSYSCALL and INTERNAL_SYSCALL instead
of the normal versions throughout the code.
* sysdeps/unix/sysv/linux/clock_gettime.c: Likewise if
HAVE_CLOCK_GETTIME_VSYSCALL is defined.
* sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h: New file.
* sysdeps/unix/sysv/linux/powerpc/dl-vdso.c: New file.
* sysdeps/unix/sysv/linux/powerpc/dl-vdso.h: New file.
* sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c: Use vDSO.
* sysdeps/unix/sysv/linux/powerpc/gettimeofday.c: New file.
* sysdeps/unix/sysv/linux/powerpc/Makefile: Add dl-vdso to routines.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Define
INLINE_VSYSCALL, INTERNAL_VSYSCALL, INTERNAL_SYSCALL_NCS,
INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK, HAVE_CLOCK_GETRES_VSYSCALL,
and HAVE_CLOCK_GETTIME_VSYSCALL.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
Ulrich Drepper
Roland McGrath