From 11bf311edc76f5ddc469a8c396e313e82d76be15 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 11 Jan 2007 21:51:07 +0000 Subject: [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 * sysdeps/i386/soft-fp/sfp-machine.h: Remove. * sysdeps/x86_64/soft-fp/sfp-machine.h: Likewise. 2007-01-10 Ulrich Drepper * io/fts.c: Make sure fts_cur is always valid after return from fts_read. Patch by Miloslav Trmac . 2006-10-27 Richard Sandiford * elf/elf.h (R_MIPS_GLOB_DAT): Define. (R_MIPS_NUM): Bump by 1. 2007-01-03 Jakub Jelinek * 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 * 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 * malloc/malloc.c (sYSMALLOc): Remove some unnecessary alignment attempts. 2006-12-23 Ulrich Drepper * posix/wordexp.c: Remove some unnecessary tests. 2006-12-20 SUGIOKA Toshinobu * 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 * 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 * 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 * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Include kernel-features.h. 2006-12-11 Ulrich Drepper * 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 * 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 * nis/nis_subr.c (nis_getnames): Revert last change. 2006-12-03 Kaz Kojima * sysdeps/unix/sysv/linux/sh/sys/io.h: Removed. 2006-11-30 H.J. Lu * sysdeps/i386/i686/memcmp.S: Use jump table as the base of jump table entries. 2006-11-30 Jan Kratochvil * 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 * nscd/nscd.init: Remove obsolete and commented-out -S option handling. 2006-11-23 Jakub Jelinek [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 * sysdeps/unix/sysv/linux/x86_64/sigaction.c: Fix compatibility with libgcc not supporting `rflags' unwinding (register # >= 17). 2006-11-30 Jakub Jelinek * sunrpc/svc_run.c (svc_run): Set my_pollfd to new_pollfd if realloc succeeded. 2006-11-29 Daniel Jacobowitz Jakub Jelinek Jan Kratochvil * 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 * resolv/mapv4v6addr.h (map_v4v6_address): Fix last change. 2006-11-20 Ulrich Drepper * resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit. 2006-11-18 Bruno Haible * sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke __sysconf only after having tried to call getgroups32. 2006-11-19 Ulrich Drepper * 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 * 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 * po/nl.po: Update from translation team. * timezone/zdump.c: Redo fix for BZ #3137. 2006-11-14 Jakub Jelinek * 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 . [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 . [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 . 2006-11-10 Jakub Jelinek * 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 * 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 [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 . * string/Makefile (tests): Add tst-strxfrm2. * string/tst-strxfrm2.c: New file. 2006-10-09 Jakub Jelinek * 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 * 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 * 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 * 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 * 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 * po/sv.po: Update from translation team. 2006-10-31 Ulrich Drepper * stdlib/atexit.c (atexit): Don't mark as hidden when used to generate compatibility version. 2006-10-29 Ulrich Drepper * configure.in: Relax -z relro requirement a bit. * po/sv.po: Update from translation team. 2006-10-29 Jakub Jelinek * 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 * 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 * sysdeps/gnu/netinet/tcp.h: Define TCP_CONGESTION. 2006-10-18 Ulrich Drepper * configure.in: Disable building profile libraries by default. 2006-10-18 Ulrich Drepper * elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to _dl_lookup_symbol_x code. 2006-10-17 Jakub Jelinek * 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 [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 * 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 * 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 * 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 [BZ #2510] * manual/search.texi (Hash Search Function): Clarify. (Array Search Function): Clarify. 2006-11-12 Joseph Myers [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 * 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 * 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 * 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 Jakub Jelinek 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 . Define struct r_scoperec. Replace r_scope with pointer to r_scoperec structure. Add l_scoperec_lock. * sysdeps/generic/ldsodefs.h: Include . * 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 * 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 * version.h (VERSION): Bump to 2.5.90 for new development tree. --- elf/dl-close.c | 158 ++++++++++++++++++++------------------------------------- 1 file changed, 55 insertions(+), 103 deletions(-) (limited to 'elf/dl-close.c') 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 #include #include -#include /* 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); } -- cgit 1.4.1