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authorUlrich Drepper <drepper@redhat.com>2007-01-11 21:51:07 +0000
committerUlrich Drepper <drepper@redhat.com>2007-01-11 21:51:07 +0000
commit11bf311edc76f5ddc469a8c396e313e82d76be15 (patch)
treec359296689b762f1a7bb212a624ab6aec1faff94 /elf/dl-close.c
parent32c075e1f01849e161724bbd400ba77244e482cc (diff)
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[BZ #2510, BZ #2830, BZ #3137, BZ #3313, BZ #3426, BZ #3465, BZ #3480, BZ #3483, BZ #3493, BZ #3514, BZ #3515, BZ #3664, BZ #3673, BZ #3674]
2007-01-11 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/soft-fp/sfp-machine.h: Remove. * sysdeps/x86_64/soft-fp/sfp-machine.h: Likewise. 2007-01-10 Ulrich Drepper <drepper@redhat.com> * io/fts.c: Make sure fts_cur is always valid after return from fts_read. Patch by Miloslav Trmac <mitr@redhat.com>. 2006-10-27 Richard Sandiford <richard@codesourcery.com> * elf/elf.h (R_MIPS_GLOB_DAT): Define. (R_MIPS_NUM): Bump by 1. 2007-01-03 Jakub Jelinek <jakub@redhat.com> * posix/execvp.c: Include alloca.h. (allocate_scripts_argv): Renamed to... (scripts_argv): ... this. Don't allocate buffer here nor count arguments. (execvp): Use alloca if possible. * posix/Makefile: Add rules to build and run tst-vfork3 test. * posix/tst-vfork3.c: New test. * stdlib/Makefile (tst-strtod3-ENV): Define. 2007-01-02 Ulrich Drepper <drepper@redhat.com> * posix/getconf.c: Update copyright year. * nss/getent.c: Likewise. * iconv/iconvconfig.c: Likewise. * iconv/iconv_prog.c: Likewise. * elf/ldconfig.c: Likewise. * catgets/gencat.c: Likewise. * csu/version.c: Likewise. * elf/ldd.bash.in: Likewise. * elf/sprof.c (print_version): Likewise. * locale/programs/locale.c: Likewise. * locale/programs/localedef.c: Likewise. * nscd/nscd.c (print_version): Likewise. * debug/xtrace.sh: Likewise. * malloc/memusage.sh: Likewise. * malloc/mtrace.pl: Likewise. * debug/catchsegv.sh: Likewise. 2006-12-24 Ulrich Drepper <drepper@redhat.com> * malloc/malloc.c (sYSMALLOc): Remove some unnecessary alignment attempts. 2006-12-23 Ulrich Drepper <drepper@redhat.com> * posix/wordexp.c: Remove some unnecessary tests. 2006-12-20 SUGIOKA Toshinobu <sugioka@itonet.co.jp> * sysdeps/unix/sysv/linux/sh/bits/shm.h: New file. * nss/getXXbyYY_r.c: Include atomic.h. (INTERNAL (REENTRANT_NAME)): Write startp after start_fct, add atomic_write_barrier () in between. 2006-11-28 Jakub Jelinek <jakub@redhat.com> * elf/dl-support.c: Include dl-procinfo.h. * sysdeps/powerpc/dl-procinfo.h (PPC_PLATFORM_POWER4, PPC_PLATFORM_PPC970, PPC_PLATFORM_POWER5, PPC_PLATFORM_POWER5_PLUS, PPC_PLATFORM_POWER6, PPC_PLATFORM_CELL_BE, PPC_PLATFORM_POWER6X): Define. (_dl_string_platform): Use PPC_PLATFORM_* macros instead of hardcoded constants. * sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_platform): Use PPC_PLATFORM_* macros for array designators. 2006-11-11 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_cap_flags): Add 3 new cap names to the beginning. (_dl_powerpc_platforms): Add "power6x". * sysdeps/powerpc/dl-procinfo.h (_DL_HWCAP_FIRST): Decrease. (HWCAP_IMPORTANT): Add PPC_FEATURE_HAS_DFP. (_DL_PLATFORMS_COUNT): Increase. (_dl_string_platform): Handle power6x case. * sysdeps/powerpc/sysdep.h (PPC_FEATURE_PA6T, PPC_FEATURE_HAS_DFP, PPC_FEATURE_POWER6_EXT): Define. (PPC_FEATURE_POWER5, PPC_FEATURE_POWER5_PLUS): Correct Comment. [-2^31 .. 2^31) range. * sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_RELATIME. * sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags): Handle relatime mount option. 2006-12-13 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Include kernel-features.h. 2006-12-11 Ulrich Drepper <drepper@redhat.com> * stdlib/strtod_l.c (____STRTOF_INTERNAL): Parse thousand separators also if no non-zero digits found. * stdlib/Makefile (tests): Add tst-strtod3. [BZ #3664] * stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix test to recognize empty parsed strings. * stdlib/Makefile (tests): Add tst-strtod2. * stdlib/tst-strtod2.c: New file. [BZ #3673] * stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix exp_limit computation. * stdlib/Makefile (tests): Add tst-atof2. * stdlib/tst-atof2.c: New file. [BZ #3674] * stdlib/strtod_l.c (____STRTOF_INTERNAL): Adjust exponent value correctly if removing trailing zero of hex-float. * stdlib/Makefile (tests): Add tst-atof1. * stdlib/tst-atof1.c: New file. * misc/mntent_r.c (__hasmntopt): Check p[optlen] even when p == rest. Start searching for next comma at p rather than rest. * misc/Makefile (tests): Add tst-mntent2. * misc/tst-mntent2.c: New test. 2006-12-08 Ulrich Drepper <drepper@redhat.com> * malloc/memusage.c: Handle realloc with new size of zero and non-NULL pointer correctly. (me): Really write first record twice. (struct entry): Make format bi-arch safe. (dest): Write out more realloc statistics. * malloc/memusagestat.c (struct entry): Make format bi-arch safe. 2006-12-05 Jakub Jelinek <jakub@redhat.com> * nis/nis_subr.c (nis_getnames): Revert last change. 2006-12-03 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/sys/io.h: Removed. 2006-11-30 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/i386/i686/memcmp.S: Use jump table as the base of jump table entries. 2006-11-30 Jan Kratochvil <jan.kratochvil@redhat.com> * sysdeps/unix/sysv/linux/i386/clone.S: Provide CFI for the outermost `clone' function to ensure proper unwinding stop of gdb. * sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise. 2006-12-01 Ulrich Drepper <drepper@redhat.com> * nscd/nscd.init: Remove obsolete and commented-out -S option handling. 2006-11-23 Jakub Jelinek <jakub@redhat.com> [BZ #3514] * manual/string.texi (strncmp): Fix pastos from wcscmp description. [BZ #3515] * manual/string.texi (strtok): Remove duplicate paragraph. 2006-12-01 Jan Kratochvil <jan.kratochvil@redhat.com> * sysdeps/unix/sysv/linux/x86_64/sigaction.c: Fix compatibility with libgcc not supporting `rflags' unwinding (register # >= 17). 2006-11-30 Jakub Jelinek <jakub@redhat.com> * sunrpc/svc_run.c (svc_run): Set my_pollfd to new_pollfd if realloc succeeded. 2006-11-29 Daniel Jacobowitz <dan@codesourcery.com> Jakub Jelinek <jakub@redhat.com> Jan Kratochvil <jan.kratochvil@redhat.com> * sysdeps/unix/sysv/linux/x86_64/sigaction.c (restore_rt): Add correct unwind information. * sysdeps/unix/sysv/linux/x86_64/Makefile: Provide symbols for 'restore_rt' even in the 'signal' directory. * sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym: Extend the regs list. malloc crashed. Don't allocate memory unnecessarily in each loop. 2006-10-21 Jakub Jelinek <jakub@redhat.com> * resolv/mapv4v6addr.h (map_v4v6_address): Fix last change. 2006-11-20 Ulrich Drepper <drepper@redhat.com> * resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit. 2006-11-18 Bruno Haible <bruno@clisp.org> * sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke __sysconf only after having tried to call getgroups32. 2006-11-19 Ulrich Drepper <drepper@redhat.com> * nss/nss_files/files-hosts.c (LINE_PARSER): Support IPv6-style addresses for IPv4 queries if they can be mapped. 2006-11-16 Jakub Jelinek <jakub@redhat.com> * sysdeps/x86_64/fpu/s_copysignf.S (__copysignf): Switch to .text. * sysdeps/x86_64/fpu/s_copysign.S (__copysign): Likewise. (signmask): Add .size directive. (othermask): Add .type directive. 2006-11-14 Ulrich Drepper <drepper@redhat.com> * po/nl.po: Update from translation team. * timezone/zdump.c: Redo fix for BZ #3137. 2006-11-14 Jakub Jelinek <jakub@redhat.com> * nss/nss_files/files-alias.c (get_next_alias): Set line back to first_unused after parsing :include: file. * timezone/africa: Update from tzdata2006o. * timezone/antarctica: Likewise. * timezone/asia: Likewise. * timezone/australasia: Likewise. * timezone/backward: Likewise. * timezone/europe: Likewise. * timezone/iso3166.tab: Likewise. * timezone/northamerica: Likewise. * timezone/southamerica: Likewise. * timezone/zone.tab: Likewise. * time/tzfile.c (__tzfile_read): Extend to handle new file format on machines with 64-bit time_t. * timezone/checktab.awk: Update from tzcode2006o. * timezone/ialloc.c: Likewise. * timezone/private.h: Likewise. * timezone/scheck.c: Likewise. * timezone/tzfile.h: Likewise. * timezone/tzselect.ksh: Likewise. * timezone/zdump.c: Likewise. * timezone/zic.c: Likewise. [BZ #3483] * elf/ldconfig.c (main): Call setlocale and textdomain. Patch mostly by Benno Schulenberg <bensberg@justemail.net>. [BZ #3480] * manual/argp.texi: Fix typos. * manual/charset.texi: Likewise. * manual/errno.texi: Likewise. * manual/filesys.texi: Likewise. * manual/lang.texi: Likewise. * manual/maint.texi: Likewise. * manual/memory.texi: Likewise. * manual/message.texi: Likewise. * manual/resource.texi: Likewise. * manual/search.texi: Likewise. * manual/signal.texi: Likewise. * manual/startup.texi: Likewise. * manual/stdio.texi: Likewise. * manual/sysinfo.texi: Likewise. * manual/syslog.texi: Likewise. * manual/time.texi: Likewise. Patch by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>. [BZ #3465] * sunrpc/clnt_raw.c: Minimal message improvements. * sunrpc/pm_getmaps.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/nis_print_group_entry.c: Likewise. * locale/programs/repertoire.c: Likewise. * locale/programs/charmap.c: Likewise. * malloc/memusage.sh: Likewise. * elf/dl-deps.c: Likewise. * locale/programs/ld-collate.c: Likewise. * libio/vswprintf.c: Likewise. * malloc/memusagestat.c: Likewise. * sunrpc/auth_unix.c: Likewise. * sunrpc/rpc_main.c: Likewise. * nscd/cache.c: Likewise. * locale/programs/repertoire.c: Unify output messages. * locale/programs/charmap.c: Likewise. * locale/programs/ld-ctype.c: Likewise. * locale/programs/ld-monetary.c: Likewise. * locale/programs/ld-numeric.c: Likewise. * locale/programs/ld-time.c: Likewise. * elf/ldconfig.c: Likewise. * nscd/selinux.c: Likewise. * elf/cache.c: Likewise. Patch mostly by Benno Schulenberg <bensberg@justemail.net>. 2006-11-10 Jakub Jelinek <jakub@redhat.com> * string/strxfrm_l.c (STRXFRM): Fix trailing \1 optimization if N is one bigger than return value. * string/tst-strxfrm2.c (do_test): Also test strxfrm with l1 + 1 and l1 last arguments, if buf is defined, verify the return value equals to strlen (buf) and verify no byte beyond passed length is modified. 2006-11-10 Ulrich Drepper <drepper@redhat.com> * po/sv.po: Update from translation team. * sysdeps/gnu/siglist.c (__old_sys_siglist, __old_sys_sigabbrev): Use __new_sys_siglist instead of _sys_siglist_internal as second macro argument. (_old_sys_siglist): Use declare_symbol_alias macro instead of strong_alias. 2006-11-09 Ulrich Drepper <drepper@redhat.com> [BZ #3493] * posix/unistd.h (sysconf): Remove const attribute. * sysdeps/posix/getaddrinfo.c (getaddrinfo): Fix test for temporary or deprecated addresses. Patch by Sridhar Samudrala <sri@us.ibm.com>. * string/Makefile (tests): Add tst-strxfrm2. * string/tst-strxfrm2.c: New file. 2006-10-09 Jakub Jelinek <jakub@redhat.com> * elf/dl-debug.c (_dl_debug_initialize): Check r->r_map for 0 rather than r->r_brk. * string/strxfrm_l.c (STRXFRM): Do the trailing \1 removal optimization even if needed > n. 2006-11-07 Jakub Jelinek <jakub@redhat.com> * include/libc-symbols.h (declare_symbol): Rename to... (declare_symbol_alias): ... this. Add ORIGINAL argument, imply strong_alias (ORIGINAL, SYMBOL) in asm to make sure it preceedes .size directive. * sysdeps/gnu/errlist-compat.awk: Adjust for declare_symbol_alias changes. * sysdeps/gnu/siglist.c: Likewise. 2006-11-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/fpu/bits/mathinline.h [__LIBC_INTERNAL_MATH_INLINES]: Moved to ... * sysdeps/powerpc/fpu/math_private.h: ...here. New file. 2006-11-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/sysconf.c (intel_check_word): Update handling of cache descriptor 0x49 for new models. * sysdeps/unix/sysv/linux/x86_64/sysconf.c (intel_check_word): Likewise. 2006-11-02 Ulrich Drepper <drepper@redhat.com> * configure.in: Work around ld --help change and avoid -z relro test completely if the architecture doesn't care about security. 2006-11-01 Ulrich Drepper <drepper@redhat.com> * po/sv.po: Update from translation team. 2006-10-31 Ulrich Drepper <drepper@redhat.com> * stdlib/atexit.c (atexit): Don't mark as hidden when used to generate compatibility version. 2006-10-29 Ulrich Drepper <drepper@redhat.com> * configure.in: Relax -z relro requirement a bit. * po/sv.po: Update from translation team. 2006-10-29 Jakub Jelinek <jakub@redhat.com> * elf/dl-sym.c (do_sym): Use RTLD_SINGLE_THREAD_P. * elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Likewise. * elf/dl-close.c (_dl_close_worker): Likewise. * elf/dl-open.c (_dl_open_worker): Likewise. * sysdeps/generic/sysdep-cancel.h (RTLD_SINGLE_THREAD_P): Define. * configure.in: Require assembler support for visibility, compiler support for visibility and aliases, linker support for various -z options. * Makeconfig: Remove conditional code which now is unnecessary. * config.h.in: Likewise. * config.make.in: Likewise. * dlfcn/Makefile: Likewise. * elf/Makefile: Likewise. * elf/dl-load.c: Likewise. * elf/rtld.c: Likewise. * include/libc-symbols.h: Likewise. * include/stdio.h: Likewise. * io/Makefile: Likewise. * io/fstat.c: Likewise. * io/fstat64.c: Likewise. * io/fstatat.c: Likewise. * io/fstatat64.c: Likewise. * io/lstat.c: Likewise. * io/lstat64.c: Likewise. * io/mknod.c: Likewise. * io/mknodat.c: Likewise. * io/stat.c: Likewise. * io/stat64.c: Likewise. * libio/stdio.c: Likewise. * nscd/Makefile: Likewise. * stdlib/Makefile: Likewise. * stdlib/atexit.c: Likewise. * sysdeps/generic/ldsodefs.h: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/i386/sysdep.h: Likewise. * sysdeps/i386/i686/memcmp.S: Likewise. * sysdeps/powerpc/powerpc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise. * Makerules: USE_TLS support is now default. * tls.make.c: Likewise. * csu/Versions: Likewise. * csu/libc-start.c: Likewise. * csu/libc-tls.c: Likewise. * csu/version.c: Likewise. * dlfcn/dlinfo.c: Likewise. * elf/dl-addr.c: Likewise. * elf/dl-cache.c: Likewise. * elf/dl-close.c: Likewise. * elf/dl-iteratephdr.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-sym.c: Likewise. * elf/dl-sysdep.c: Likewise. * elf/dl-tls.c: Likewise. * elf/ldconfig.c: Likewise. * elf/rtld.c: Likewise. * elf/tst-tls-dlinfo.c: Likewise. * elf/tst-tls1.c: Likewise. * elf/tst-tls10.h: Likewise. * elf/tst-tls14.c: Likewise. * elf/tst-tls2.c: Likewise. * elf/tst-tls3.c: Likewise. * elf/tst-tls4.c: Likewise. * elf/tst-tls5.c: Likewise. * elf/tst-tls6.c: Likewise. * elf/tst-tls7.c: Likewise. * elf/tst-tls8.c: Likewise. * elf/tst-tls9.c: Likewise. * elf/tst-tlsmod1.c: Likewise. * elf/tst-tlsmod13.c: Likewise. * elf/tst-tlsmod13a.c: Likewise. * elf/tst-tlsmod14a.c: Likewise. * elf/tst-tlsmod2.c: Likewise. * elf/tst-tlsmod3.c: Likewise. * elf/tst-tlsmod4.c: Likewise. * elf/tst-tlsmod5.c: Likewise. * elf/tst-tlsmod6.c: Likewise. * include/errno.h: Likewise. * include/link.h: Likewise. * include/tls.h: Likewise. * locale/global-locale.c: Likewise. * locale/localeinfo.h: Likewise. * malloc/arena.c: Likewise. * malloc/hooks.c: Likewise. * malloc/malloc.c: Likewise. * resolv/Versions: Likewise. * sysdeps/alpha/dl-machine.h: Likewise. * sysdeps/alpha/libc-tls.c: Likewise. * sysdeps/generic/ldsodefs.h: Likewise. * sysdeps/generic/tls.h: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/ia64/dl-machine.h: Likewise. * sysdeps/ia64/libc-tls.c: Likewise. * sysdeps/mach/hurd/fork.c: Likewise. * sysdeps/mach/hurd/i386/tls.h: Likewise. * sysdeps/powerpc/powerpc32/dl-machine.c: Likwise. * sysdeps/powerpc/powerpc32/dl-machine.h: Likewise. * sysdeps/powerpc/powerpc64/dl-machine.h: Likewise. * sysdeps/s390/libc-tls.c: Likewise. * sysdeps/s390/s390-32/dl-machine.h: Likewise. * sysdeps/s390/s390-64/dl-machine.h: Likewise. * sysdeps/sh/dl-machine.h: Likewise. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/x86_64/dl-machine.h: Likewise. [BZ #3426] * stdlib/stdlib.h: Adjust comment for canonicalize_file_name to reality. 2006-10-27 Jakub Jelinek <jakub@redhat.com> * elf/dl-lookup.c (_dl_debug_bindings): Remove unused symbol_scope argument. (_dl_lookup_symbol_x): Adjust caller. * sysdeps/generic/ldsodefs.h (struct link_namespaces): Remove _ns_global_scope. * elf/rtld.c (dl_main): Don't initialize _ns_global_scope. * elf/dl-libc.c: Revert l_scope name changes. * elf/dl-load.c: Likewise. * elf/dl-object.c: Likewise. * elf/rtld.c: Likewise. * elf/dl-close.c (_dl_close): Likewise. * elf/dl-open.c (dl_open_worker): Likewise. If not SINGLE_THREAD_P, always use __rtld_mrlock_{change,done}. Always free old scope list here if not l_scope_mem. * elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Revert l_scope name change. Never free scope list here. Just __rtld_mrlock_lock before the lookup and __rtld_mrlock_unlock it after the lookup. * elf/dl-sym.c: Likewise. * include/link.h (struct r_scoperec): Remove. (struct link_map): Replace l_scoperec with l_scope, l_scoperec_mem with l_scope_mem and l_scoperec_lock with l_scope_lock. 2006-10-25 Ulrich Drepper <drepper@redhat.com> * sysdeps/gnu/netinet/tcp.h: Define TCP_CONGESTION. 2006-10-18 Ulrich Drepper <drepper@redhat.com> * configure.in: Disable building profile libraries by default. 2006-10-18 Ulrich Drepper <drepper@redhat.com> * elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to _dl_lookup_symbol_x code. 2006-10-17 Jakub Jelinek <jakub@redhat.com> * elf/dl-runtime.c: Include sysdep-cancel.h. (_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros. * elf/dl-sym.c: Include sysdep-cancel.h. (do_sym): Use __rtld_mrlock_* and scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros. * elf/dl-close.c: Include sysdep-cancel.h. (_dl_close): Use __rtld_mrlock_* and scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros. * elf/dl-open.c: Include sysdep-cancel.h. (dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros. 2006-10-17 Jakub Jelinek <jakub@redhat.com> [BZ #3313] * malloc/malloc.c (malloc_consolidate): Set maxfb to address of last fastbin rather than end of fastbin array. 2006-10-18 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct body macro. * sysdeps/x86_64/bits/atomic.h (__arch_c_compare_and_exchange_val_64_acq): Add missing casts. (catomic_decrement): Use correct body macro. 2006-10-17 Jakub Jelinek <jakub@redhat.com> * include/atomic.h: Add a unique prefix to all local variables in macros. * csu/tst-atomic.c (do_test): Test also catomic_* macros. 2006-10-14 Ulrich Drepper <drepper@redhat.com> * resolv/arpa/nameser.h: Document that ns_t_a6 is deprecated. [BZ #3313] * malloc/malloc.c (malloc_consolidate): Don't use get_fast_max to determine highest fast bin to consolidate, always look into all of them. (do_check_malloc_state): Only require for empty bins for large sizes in main arena. * libio/stdio.h: Add more __wur attributes. 2006-11-12 Andreas Jaeger <aj@suse.de> [BZ #2510] * manual/search.texi (Hash Search Function): Clarify. (Array Search Function): Clarify. 2006-11-12 Joseph Myers <joseph@codesourcery.com> [BZ #2830] * math/atest-exp.c (main): Cast hex value to mp_limb_t before shifting. * math/atest-exp2.c (read_mpn_hex): Likewise. * math/atest-sincos.c (main): Likewise. * sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait. * sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait. * sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for version GLIBC_2.6. * Versions.def: Add GLIBC_2.6 for libc. * sysdeps/i386/i486/bits/atomic.h: Add catomic_* support. 2006-10-11 Jakub Jelinek <jakub@redhat.com> * malloc/malloc.c (_int_malloc): Remove unused any_larger variable. * nis/nis_defaults.c (__nis_default_access): Don't call getenv twice. * nis/nis_subr.c (nis_getnames): Use __secure_getenv instead of getenv. * sysdeps/generic/unsecvars.h: Add NIS_PATH. 2006-10-11 Ulrich Drepper <drepper@redhat.com> * include/atomic.c: Define catomic_* operations. * sysdeps/x86_64/bits/atomic.h: Likewise. Fix a few minor problems. * stdlib/cxa_finalize.c: Use catomic_* operations instead of atomic_*. * malloc/memusage.c: Likewise. * gmon/mcount.c: Likewise. * elf/dl-close.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-sym.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-fptr.c: Likewise. * resolv/res_libc.c: Likewise. 2006-10-10 Roland McGrath <roland@frob.com> * sysdeps/mach/hurd/utimes.c: Use a union to avoid an improper cast. * sysdeps/mach/hurd/futimes.c: Likewise. * sysdeps/mach/hurd/lutimes.c: Likewise. 2006-10-09 Ulrich Drepper <drepper@redhat.com> Jakub Jelinek <jakub@redhat.com> 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: Include <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. * po/sv.po: Update from translation team. 2006-10-07 Ulrich Drepper <drepper@redhat.com> * Versions.def: Add GLIBC_2.6 to libpthread. * include/shlib-compat.h (SHLIB_COMPAT): Expand parameters before use. (versioned_symbol): Likewise. (compat_symbol): Likewise. * po/tr.po: Update from translation team. * nis/Banner: Removed. It's been integral part forever and the author info is incomplete anyway. * libio/Banner: Likewise. 2006-10-06 Ulrich Drepper <drepper@redhat.com> * version.h (VERSION): Bump to 2.5.90 for new development tree.
Diffstat (limited to 'elf/dl-close.c')
-rw-r--r--elf/dl-close.c158
1 files changed, 55 insertions, 103 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 5cd8b9be2d..df968fe649 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -1,5 +1,5 @@
/* Close a shared object opened by `_dl_open'.
- Copyright (C) 1996-2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1996-2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,6 @@
#include <sys/types.h>
#include <sys/mman.h>
#include <sysdep-cancel.h>
-#include <tls.h>
/* Type of the constructor functions. */
@@ -42,7 +41,6 @@ typedef void (*fini_t) (void);
#define IDX_STILL_USED -1
-#ifdef USE_TLS
/* Returns true we an non-empty was found. */
static bool
remove_slotinfo (size_t idx, struct dtv_slotinfo_list *listp, size_t disp,
@@ -104,12 +102,13 @@ remove_slotinfo (size_t idx, struct dtv_slotinfo_list *listp, size_t disp,
/* No non-entry in this list element. */
return false;
}
-#endif
void
_dl_close_worker (struct link_map *map)
{
+ Lmid_t ns = map->l_ns;
+
/* One less direct use. */
--map->l_direct_opencount;
@@ -132,16 +131,11 @@ _dl_close_worker (struct link_map *map)
return;
}
- Lmid_t nsid = map->l_ns;
- struct link_namespaces *ns = &GL(dl_ns)[nsid];
-
retry:
dl_close_state = pending;
-#ifdef USE_TLS
bool any_tls = false;
-#endif
- const unsigned int nloaded = ns->_ns_nloaded;
+ const unsigned int nloaded = GL(dl_ns)[ns]._ns_nloaded;
char used[nloaded];
char done[nloaded];
struct link_map *maps[nloaded];
@@ -149,7 +143,7 @@ _dl_close_worker (struct link_map *map)
/* Run over the list and assign indexes to the link maps and enter
them into the MAPS array. */
int idx = 0;
- for (struct link_map *l = ns->_ns_loaded; l != NULL; l = l->l_next)
+ for (struct link_map *l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
{
l->l_idx = idx;
maps[idx] = l;
@@ -226,22 +220,20 @@ _dl_close_worker (struct link_map *map)
}
/* Sort the entries. */
- _dl_sort_fini (ns->_ns_loaded, maps, nloaded, used, nsid);
+ _dl_sort_fini (GL(dl_ns)[ns]._ns_loaded, maps, nloaded, used, ns);
/* Call all termination functions at once. */
#ifdef SHARED
- bool do_audit = GLRO(dl_naudit) > 0 && !ns->_ns_loaded->l_auditing;
+ bool do_audit = GLRO(dl_naudit) > 0 && !GL(dl_ns)[ns]._ns_loaded->l_auditing;
#endif
bool unload_any = false;
- bool scope_mem_left = false;
- unsigned int unload_global = 0;
unsigned int first_loaded = ~0;
for (unsigned int i = 0; i < nloaded; ++i)
{
struct link_map *imap = maps[i];
/* All elements must be in the same namespace. */
- assert (imap->l_ns == nsid);
+ assert (imap->l_ns == ns);
if (!used[i])
{
@@ -256,7 +248,7 @@ _dl_close_worker (struct link_map *map)
if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS,
0))
_dl_debug_printf ("\ncalling fini: %s [%lu]\n\n",
- imap->l_name, nsid);
+ imap->l_name, ns);
if (imap->l_info[DT_FINI_ARRAY] != NULL)
{
@@ -299,9 +291,6 @@ _dl_close_worker (struct link_map *map)
/* We indeed have an object to remove. */
unload_any = true;
- if (imap->l_global)
- ++unload_global;
-
/* Remember where the first dynamically loaded object is. */
if (i < first_loaded)
first_loaded = i;
@@ -345,7 +334,7 @@ _dl_close_worker (struct link_map *map)
struct link_map *tmap = (struct link_map *)
((char *) imap->l_scope[cnt]
- offsetof (struct link_map, l_searchlist));
- assert (tmap->l_ns == nsid);
+ assert (tmap->l_ns == ns);
if (tmap->l_idx == IDX_STILL_USED)
++remain;
else
@@ -410,18 +399,18 @@ _dl_close_worker (struct link_map *map)
struct r_scope_elem **old = imap->l_scope;
- imap->l_scope = newp;
+ if (RTLD_SINGLE_THREAD_P)
+ imap->l_scope = newp;
+ else
+ {
+ __rtld_mrlock_change (imap->l_scope_lock);
+ imap->l_scope = newp;
+ __rtld_mrlock_done (imap->l_scope_lock);
+ }
/* No user anymore, we can free it now. */
if (old != imap->l_scope_mem)
- {
- if (_dl_scope_free (old))
- /* If _dl_scope_free used THREAD_GSCOPE_WAIT (),
- no need to repeat it. */
- scope_mem_left = false;
- }
- else
- scope_mem_left = true;
+ free (old);
imap->l_scope_max = new_size;
}
@@ -446,7 +435,7 @@ _dl_close_worker (struct link_map *map)
/* Auditing checkpoint: we will start deleting objects. */
if (__builtin_expect (do_audit, 0))
{
- struct link_map *head = ns->_ns_loaded;
+ struct link_map *head = GL(dl_ns)[ns]._ns_loaded;
struct audit_ifaces *afct = GLRO(dl_audit);
/* Do not call the functions for any auditing object. */
if (head->l_auditing == 0)
@@ -463,55 +452,13 @@ _dl_close_worker (struct link_map *map)
#endif
/* Notify the debugger we are about to remove some loaded objects. */
- struct r_debug *r = _dl_debug_initialize (0, nsid);
+ struct r_debug *r = _dl_debug_initialize (0, ns);
r->r_state = RT_DELETE;
_dl_debug_state ();
- if (unload_global)
- {
- /* Some objects are in the global scope list. Remove them. */
- struct r_scope_elem *ns_msl = ns->_ns_main_searchlist;
- unsigned int i;
- unsigned int j = 0;
- unsigned int cnt = ns_msl->r_nlist;
-
- while (cnt > 0 && ns_msl->r_list[cnt - 1]->l_removed)
- --cnt;
-
- if (cnt + unload_global == ns_msl->r_nlist)
- /* Speed up removing most recently added objects. */
- j = cnt;
- else
- for (i = 0; i < cnt; i++)
- if (ns_msl->r_list[i]->l_removed == 0)
- {
- if (i != j)
- ns_msl->r_list[j] = ns_msl->r_list[i];
- j++;
- }
- ns_msl->r_nlist = j;
- }
-
- if (!RTLD_SINGLE_THREAD_P
- && (unload_global
- || scope_mem_left
- || (GL(dl_scope_free_list) != NULL
- && GL(dl_scope_free_list)->count)))
- {
- struct dl_scope_free_list *fsl;
-
- THREAD_GSCOPE_WAIT ();
- /* Now we can free any queued old scopes. */
- if ((fsl = GL(dl_scope_free_list)) != NULL)
- while (fsl->count > 0)
- free (fsl->list[--fsl->count]);
- }
-
-#ifdef USE_TLS
size_t tls_free_start;
size_t tls_free_end;
tls_free_start = tls_free_end = NO_TLS_OFFSET;
-#endif
/* Check each element of the search list to see if all references to
it are gone. */
@@ -524,8 +471,24 @@ _dl_close_worker (struct link_map *map)
/* That was the last reference, and this was a dlopen-loaded
object. We can unmap it. */
+ if (__builtin_expect (imap->l_global, 0))
+ {
+ /* This object is in the global scope list. Remove it. */
+ unsigned int cnt = GL(dl_ns)[ns]._ns_main_searchlist->r_nlist;
+
+ do
+ --cnt;
+ while (GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt] != imap);
+
+ /* The object was already correctly registered. */
+ while (++cnt
+ < GL(dl_ns)[ns]._ns_main_searchlist->r_nlist)
+ GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt - 1]
+ = GL(dl_ns)[ns]._ns_main_searchlist->r_list[cnt];
+
+ --GL(dl_ns)[ns]._ns_main_searchlist->r_nlist;
+ }
-#ifdef USE_TLS
/* Remove the object from the dtv slotinfo array if it uses TLS. */
if (__builtin_expect (imap->l_tls_blocksize > 0, 0))
{
@@ -544,7 +507,7 @@ _dl_close_worker (struct link_map *map)
this search list, going in either direction. When the
whole chunk is at the end of the used area then we can
reclaim it. */
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
if (tls_free_start == NO_TLS_OFFSET
|| (size_t) imap->l_tls_offset == tls_free_start)
{
@@ -584,7 +547,7 @@ _dl_close_worker (struct link_map *map)
= tls_free_end - imap->l_tls_blocksize;
}
}
-# elif TLS_DTV_AT_TP
+#elif TLS_DTV_AT_TP
if ((size_t) imap->l_tls_offset == tls_free_end)
/* Extend the contiguous chunk being reclaimed. */
tls_free_end -= imap->l_tls_blocksize;
@@ -601,12 +564,11 @@ _dl_close_worker (struct link_map *map)
tls_free_start = imap->l_tls_offset;
tls_free_end = tls_free_start + imap->l_tls_blocksize;
}
-# else
-# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
+#else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+#endif
}
}
-#endif
/* We can unmap all the maps at once. We determined the
start address and length when we loaded the object and
@@ -619,12 +581,12 @@ _dl_close_worker (struct link_map *map)
else
{
#ifdef SHARED
- assert (nsid != LM_ID_BASE);
+ assert (ns != LM_ID_BASE);
#endif
- ns->_ns_loaded = imap->l_next;
+ GL(dl_ns)[ns]._ns_loaded = imap->l_next;
}
- --ns->_ns_nloaded;
+ --GL(dl_ns)[ns]._ns_nloaded;
if (imap->l_next != NULL)
imap->l_next->l_prev = imap->l_prev;
@@ -672,7 +634,6 @@ _dl_close_worker (struct link_map *map)
}
}
-#ifdef USE_TLS
/* If we removed any object which uses TLS bump the generation counter. */
if (any_tls)
{
@@ -682,13 +643,12 @@ _dl_close_worker (struct link_map *map)
if (tls_free_end == GL(dl_tls_static_used))
GL(dl_tls_static_used) = tls_free_start;
}
-#endif
#ifdef SHARED
/* Auditing checkpoint: we have deleted all objects. */
if (__builtin_expect (do_audit, 0))
{
- struct link_map *head = ns->_ns_loaded;
+ struct link_map *head = GL(dl_ns)[ns]._ns_loaded;
/* Do not call the functions for any auditing object. */
if (head->l_auditing == 0)
{
@@ -742,7 +702,6 @@ _dl_close (void *_map)
}
-#ifdef USE_TLS
static bool __libc_freeres_fn_section
free_slotinfo (struct dtv_slotinfo_list **elemp)
{
@@ -769,52 +728,45 @@ free_slotinfo (struct dtv_slotinfo_list **elemp)
return true;
}
-#endif
libc_freeres_fn (free_mem)
{
- for (Lmid_t nsid = 0; nsid < DL_NNS; ++nsid)
- if (__builtin_expect (GL(dl_ns)[nsid]._ns_global_scope_alloc, 0) != 0
- && (GL(dl_ns)[nsid]._ns_main_searchlist->r_nlist
+ for (Lmid_t ns = 0; ns < DL_NNS; ++ns)
+ if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
+ && (GL(dl_ns)[ns]._ns_main_searchlist->r_nlist
// XXX Check whether we need NS-specific initial_searchlist
== GLRO(dl_initial_searchlist).r_nlist))
{
/* All object dynamically loaded by the program are unloaded. Free
the memory allocated for the global scope variable. */
- struct link_map **old = GL(dl_ns)[nsid]._ns_main_searchlist->r_list;
+ struct link_map **old = GL(dl_ns)[ns]._ns_main_searchlist->r_list;
/* Put the old map in. */
- GL(dl_ns)[nsid]._ns_main_searchlist->r_list
+ GL(dl_ns)[ns]._ns_main_searchlist->r_list
// XXX Check whether we need NS-specific initial_searchlist
= GLRO(dl_initial_searchlist).r_list;
/* Signal that the original map is used. */
- GL(dl_ns)[nsid]._ns_global_scope_alloc = 0;
+ GL(dl_ns)[ns]._ns_global_scope_alloc = 0;
/* Now free the old map. */
free (old);
}
-#ifdef USE_TLS
if (USE___THREAD || GL(dl_tls_dtv_slotinfo_list) != NULL)
{
/* Free the memory allocated for the dtv slotinfo array. We can do
this only if all modules which used this memory are unloaded. */
-# ifdef SHARED
+#ifdef SHARED
if (GL(dl_initial_dtv) == NULL)
/* There was no initial TLS setup, it was set up later when
it used the normal malloc. */
free_slotinfo (&GL(dl_tls_dtv_slotinfo_list));
else
-# endif
+#endif
/* The first element of the list does not have to be deallocated.
It was allocated in the dynamic linker (i.e., with a different
malloc), and in the static library it's in .bss space. */
free_slotinfo (&GL(dl_tls_dtv_slotinfo_list)->next);
}
-#endif
-
- void *scope_free_list = GL(dl_scope_free_list);
- GL(dl_scope_free_list) = NULL;
- free (scope_free_list);
}