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3026163fe1
* 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 <drepper@redhat.com>
* elf/dl-lookup.c (_dl_lookup_symbol_x): Remove use of r_nlist.
2007-06-08 Jakub Jelinek <jakub@redhat.com>
* elf/dl-close.c (_dl_close_worker): Remove all to be removed
libraries from the global scope at once and call THREAD_GSCOPE_WAIT
at most once per _dl_close_worker.
2007-05-18 Ulrich Drepper <drepper@redhat.com>
* 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.
2007-05-11 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close_worker): Help gcc to optimize by
adding new variables.
* elf/dl-open.c (add_to_global): Introduce variable ns to help gcc
optimize. Completely extend global scope array before making the
new entries visible.
2007-01-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/ldsodefs.h: Define DL_LOOKUP_SCOPE_LOCK.
* elf/dl-lookup.c (add_dependency): If scope map is locked, unlock
it before getting dl_load_lock and then relock.
(_dl_lookup_symbol_x): Pass flags to add_dependency.
When rerunning _dl_lookup_symbol_x, compute symbol_scope again in
case we unlocked the scope.
* elf/dl-runtime.c (_dl_fixup): Pass DL_LOOKUP_SCOPE_LOCK to
_dl_lookup_symbol_x in case we locked the scope.
(_dl_profile_fixup): Likewise.
* elf/dl-sym.c (do_sym): In flags passed to call_dl_lookup, also
set DL_LOOKUP_SCOPE_LOCK.
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.
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.
2006-10-18 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.
* elf/dl-sym.c: Include sysdep-cancel.h.
(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P.
* elf/dl-close.c: Include sysdep-cancel.h.
(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P.
* elf/dl-open.c: Include sysdep-cancel.h.
(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P.
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.
nptl/
2007-05-28 Jakub Jelinek <jakub@redhat.com>
* 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 <rth@redhat.com>
* 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 <drepper@redhat.com>
* allocatestack.c: Revert last change.
* init.c: Likewise.
* sysdeps/i386/tls.h: Likewise.
* sysdeps/x86_64/tls.h: Likewise.
2007-05-24 Jakub Jelinek <jakub@redhat.com>
* 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 <drepper@redhat.com>
* 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 <drepper@redhat.com>
* 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).
2006-12-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/rtld-lowlevel.h
(__rtld_mrlock_initialize): Add missing closing parenthesis.
2006-10-29 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (RTLD_SINGLE_THREAD_P):
Define.
(SINGLE_THREAD_P): Define to 1 if IS_IN_rtld.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
2006-10-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/rtld-lowlevel.h (__rtld_mrlock_lock,
__rtld_mrlock_change): Update oldval if atomic compare and exchange
failed.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (SINGLE_THREAD_P):
Define to THREAD_SELF->header.multiple_threads.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (SINGLE_THREAD_P):
Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (SINGLE_THREAD_P):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (SINGLE_THREAD_P):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h (SINGLE_THREAD_P):
Likewise.
2006-10-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/rtld-lowlevel.h: New file..