From 542ac2393c1ca0d070fa9cce57ca2b2e562f72cc Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Sat, 7 Jul 2007 17:15:07 +0000 Subject: 2007-06-09 Ulrich Drepper * elf/do-lookup.h (do_lookup_x): Read r_nlist before r_list and make sure gcc doesn't mess around with this. 2007-06-08 Ulrich Drepper * elf/dl-lookup.c (_dl_lookup_symbol_x): Remove use of r_nlist. 2007-06-08 Jakub Jelinek * elf/dl-close.c (_dl_close_worker): Remove all to be removed libraries from the global scope at once and call THREAD_GSCOPE_WAIT 2007-05-18 Ulrich Drepper * elf/dl-close.c (_dl_close_worker): When removing object from global scope, wait for all lookups to finish afterwards. * elf/dl-open.c (add_to_global): When global scope array must grow, allocate a new one and free old array only after all lookups finish. * elf/dl-runtime.c (_dl_fixup): Protect using global scope. (_dl_lookup_symbol_x): Likewise. * elf/dl-support.c: Define _dl_wait_lookup_done. * sysdeps/generic/ldsodefs.h (struct rtld_global): Add _dl_wait_lookup_done. nptl/ 2007-05-28 Jakub Jelinek * sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit insn suffix. (THREAD_GSCOPE_GET_FLAG): Remove. * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove. * allocatestack.c (__wait_lookup_done): Revert 2007-05-24 changes. * sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag. (THREAD_GSCOPE_GET_FLAG): Remove. (THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag instead of THREAD_GSCOPE_GET_FLAG. (THREAD_GSCOPE_SET_FLAG): Likewise. Add atomic_write_barrier after it. * sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. 2007-05-24 Richard Henderson * descr.h (struct pthread): Add header.gscope_flag. * sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. 2007-05-26 Ulrich Drepper * allocatestack.c: Revert last change. * init.c: Likewise. * sysdeps/i386/tls.h: Likewise. * sysdeps/x86_64/tls.h: Likewise. 2007-05-24 Jakub Jelinek * sysdeps/powerpc/tls.h (tcbhead_t): Add gscope_flag. (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT): Define. (THREAD_GSCOPE_GET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/i386/tls.h (THREAD_GSCOPE_WAIT): Don't use PTR_DEMANGLE. (THREAD_GSCOPE_GET_FLAG): Define. * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Define. * allocatestack.c (__wait_lookup_done): Use THREAD_GSCOPE_GET_FLAG instead of ->header.gscope_flag directly. 2007-05-21 Ulrich Drepper * sysdeps/pthread/pthread-functions.h (struct pthread_functions): Remove ptr_wait_lookup_done again. * init.c (pthread_functions): Don't add .ptr_wait_lookup_done here. (__pthread_initialize_minimal_internal): Initialize _dl_wait_lookup_done pointer in _rtld_global directly. * sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init): Remove code to code _dl_wait_lookup_done. * sysdeps/x86_64/tls.h (THREAD_GSCOPE_WAIT): The pointer is not encrypted for now. 2007-05-19 Ulrich Drepper * allocatestack.c (__wait_lookup_done): New function. * sysdeps/pthread/pthread-functions.h (struct pthread_functions): Add ptr_wait_lookup_done. * init.c (pthread_functions): Initialize .ptr_wait_lookup_done. * pthreadP.h: Declare __wait_lookup_done. * sysdeps/i386/tls.h (tcbhead_t): Add gscope_flag. Define macros to implement reference handling of global scope. * sysdeps/x86_64/tls.h: Likewise. * sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init): Initialize GL(dl_wait_lookup_done). --- elf/dl-support.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'elf/dl-support.c') diff --git a/elf/dl-support.c b/elf/dl-support.c index c7479dc639..cecb603ae6 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -1,5 +1,5 @@ /* Support for dynamic linking code in static libc. - Copyright (C) 1996-2005, 2006 Free Software Foundation, Inc. + Copyright (C) 1996-2005, 2006, 2007 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 @@ -132,6 +132,9 @@ int (*_dl_make_stack_executable_hook) (void **) internal_function = _dl_make_stack_executable; +/* Function in libpthread to wait for termination of lookups. */ +void (*_dl_wait_lookup_done) (void); + #ifdef NEED_DL_SYSINFO /* Needed for improved syscall handling on at least x86/Linux. */ uintptr_t _dl_sysinfo = DL_SYSINFO_DEFAULT; -- cgit v1.2.3-70-g09d2