conditional.
(INIT_THREAD_SELF): Pass second arg to DO_SET_THREAD_AREA.
(DO_SET_THREAD_AREA): Take second arg, pass to DO_SET_THREAD_AREA_REUSE
macro. That chooses whether to reuse %gs value or let kernel set it.
[USE_TLS] (DO_SET_THREAD_AREA_REUSE): New macro, always 1.
[!USE_TLS] (DO_SET_THREAD_AREA_REUSE): New macro, true if arg is
not constant 0.
* sysdeps/i386/useldt.h (INIT_THREAD_SELF): Remove [HAVE_TLS_SUPPORT]
conditional.
(INIT_THREAD_SELF): Pass second arg to DO_SET_THREAD_AREA.
(DO_SET_THREAD_AREA): Take second arg, pass to DO_SET_THREAD_AREA_REUSE
macro. That chooses whether to reuse %gs value or let kernel set it.
[USE_TLS] (DO_SET_THREAD_AREA_REUSE): New macro, always 1.
[!USE_TLS] (DO_SET_THREAD_AREA_REUSE): New macro, true if arg is
not constant 0.
2002-08-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/tls.h (TLS_SETUP_GS_SEGMENT): Add new parameter
also to the third definition of this macro.
* sysdeps/i386/useldt.h: Go back to using 16-bit instructions when
loading/reading segment registers. Some old hardware doesn't
handle the 32-bit instructions as expected.
* sysdeps/i386/tls.h: Likewise.
* elf/rtld.c (_dl_start): Pass extra argument 1 to TLS_INIT_TP.
(dl_main): Padd extra argument 0 to TLS_INIT_TP.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Pass extra
argument 1 to TLS_INIT_TP.
* sysdeps/generic/tls.h (TLS_INIT_TP): Describe new parameter.
* locale/loadarchive.c (_nl_load_locale_from_archive): Store strdup of
optimally conditional on [__PIC__].
(TLS_DO_SET_THREAD_AREA): New macro, implement inline syscall
without touching errno, and use latest modify_ldt-like interface.
(TLS_SETUP_GS_SEGMENT): Use that instead of INLINE_SYSCALL.
* sysdeps/i386/useldt.h (DO_MODIFY_LDT): Set %gs in this macro.
(DO_SET_THREAD_AREA): New macro, uses current syscall interface with
existing %gs value as the segment to set.
(INIT_THREAD_SELF): Rewritten using those. Use set_thread_area only
under [HAVE_TLS_SUPPORT] so we can rely on the initialization done
by the first thread's early TLS setup.
of the TLS macros, otherwise the compiler might not have initialized
the PIC register yet when we use the PLT via asm.
* elf/tst-tlsmod3.c (in_dso2): Likewise.
* elf/tst-tlsmod2.c (in_dso): Likewise.
* stdlib/isomac.c (get_null_defines): Treat NOT_IN_libc special.
It is known to be defined.
* include/string.h: Define index and rindex only if _ISOMAC is not
defined.
[! _LIBC_REENTRANT] (_res): Move this conditional decl to ...
* include/resolv.h: ... here.
[USE_TLS && HAVE___THREAD] (_res): #undef it and declare
as a __thread variable.
* resolv/res_libc.c [USE_TLS && HAVE___THREAD] (_res): Define it as
a __thread variable instead of a global.
* resolv/res_data.c [_LIBC]: Don't #undef _res.
* include/errno.h: Include <tls.h> to make sure USE_TLS defined by the
time we test it.
* intl/loadmsgcat.c [__GNUC__]: #undef alloca before defining it.
* malloc/malloc.c [_LIBC]: Include <string.h> instead of using local
decls of memset and memcpy.
* sysdeps/generic/sysdep.h (END): Conditionalize on [__ASSEMBLER__].
* sysdeps/unix/sysv/linux/i386/sysdep.h (L): Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Comment fix.
* sysdeps/generic/bits/libc-tsd.h [USE_TLS && HAVE___THREAD]
(__libc_tsd_define): Define using __thread.
* sunrpc/rpc_thread.c: Use __libc_tsd_define.
(__rpc_thread_variables): Use __libc_tsd_get.
(__rpc_thread_destroy): Use __libc_tsd_get instead of calling
__rpc_thread_variables, which might allocate what we're about to free.
* inet/herrno.c [USE_TLS && HAVE___THREAD] (h_errno): Define as a
thread-local variable.
* resolv/netdb.h (h_errno): Define macro unconditionally.
[_LIBC] (__set_h_errno): Macro moved to ...
* include/netdb.h: ... here.
[USE_TLS && HAVE___THREAD] (h_errno): Declare __thread variable.
[USE_TLS && HAVE___THREAD] (__set_h_errno): Define using that.
[! _LIBC_REENTRANT]: #undef h_errno here.
* include/errno.h: Protect from multiple inclusion.
* misc/sys/select.h (__NFDBITS, __FDELT, __FDMASK): #undef these
before defining them, since Linux's <linux/posix_types.h> might have
defined them.
2002-08-01 Roland McGrath <roland@redhat.com>
2002-07-31 Roland McGrath <roland@redhat.com>
2002-07-31 Roland McGrath <roland@redhat.com>
[USE_TLS && HAVE___THREAD]: Just include the sysdeps/generic file,
which does the right thing when __thread support is available.
* descr.h (struct _pthread_descr_struct) [USE_TLS && HAVE___THREAD]:
Omit `p_libc_specific', `p_errnop', `p_errno', `p_h_errnop',
`p_h_errno', `p_resp', and `p_res' members.
* pthread.c (__pthread_initialize_minimal) [USE_TLS && HAVE___THREAD]:
Don't initialize `p_errnop' and `p_h_errnop' members.
(__pthread_reset_main_thread): Likewise.
(__pthread_initialize_manager): Likewise.
* manager.c (__pthread_manager, pthread_handle_create): Likewise.
* pthread.c (pthread_initialize) [USE_TLS && HAVE___THREAD]:
Don't initialize `p_resp' member.
(__pthread_reset_main_thread): Likewise.
* manager.c (pthread_handle_create): Likewise.
* specific.c (libc_internal_tsd_set, libc_internal_tsd_get):
Conditionalize these on [!(USE_TLS && HAVE___THREAD)].
* errno.c [USE_TLS && HAVE___THREAD]
(__h_errno_location, __res_state): Don't define these at all.
* sysdeps/i386/tls.h (INSTALL_DTV): Add parens around arguments!
(INSTALL_NEW_DTV, GET_DTV): Likewise.
* sysdeps/sh/tls.h (INSTALL_DTV, INSTALL_NEW_DTV, GET_DTV): Likewise.
* weaks.c: Don't include <errno.h> here.
2002-08-01 Roland McGrath <roland@redhat.com>
* sysdeps/i386/tls.h (TLS_DO_MODIFY_LDT): New macro, broken out of
TLS_INIT_TP.
(TLS_DO_SET_THREAD_AREA): New macro, uses thread_set_area syscall.
(TLS_SETUP_GS_SEGMENT): New macro, try one or the other or both.
(TLS_INIT_TP): Use that.
* sysdeps/i386/tls.h (TLS_DO_MODIFY_LDT): New macro, broken out of
TLS_INIT_TP.
(TLS_DO_SET_THREAD_AREA): New macro, uses thread_set_area syscall.
(TLS_SETUP_GS_SEGMENT): New macro, try one or the other or both.
(TLS_INIT_TP): Use that.
2002-08-02 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (public_cALLOc): Check for overflow on
multiplication.
* sunrpc/xdr_array.c (xdr_array): Likewise.
* sunrpc/rpc/types.h (mem_free): Add comment.
Patch by Solar Designer <solar@openwall.com>.
2002-08-02 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_SET_THREAD_AREA_SYSCALL): Define.
* libio/stdio.h (sys_errlist, sys_nerr, _sys_errlist, _sys_nerr):
* libio/Makefile (headers): Add bits/sys_errlist.h to the list.
* sysdeps/generic/bits/sys_errlist.h: New file. This does *not*
declare sys_errlist and sys_nerr.
* sysdeps/unix/sysv/linux/bits/sys_errlist.h: New file. Does
2002-07-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-tls.c: New file.
* csu/Makefile (routines): Add libc-tls.
(static-only-routines): Add libc-tls.
* elf/dl-support.c (_dl_phdr): New variable.
(_dl_phnum): New variable.
(_dl_aux_init): Initialize _dl_phdr and _dl_phnum from aux vector.
* sysdeps/generic/libc-start.c (__libc_start_main): Reorganize code
for !SHARED. First look through auxiliary vector. If TLS always
call __pthread_initialize_minimal.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls): Make sure size argument
in mmap call is never zero.
2002-07-02 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/atomicity.h: Don't include <sgidefs.h>. Always
use ll/sc.
* sysdeps/unix/sysv/linux/mips/sys/tas.h: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Set arch_minimum_kernel
to 2.4.0 for mips.
TLS fail if USE_TLS is not defined.
* malloc/hooks.c (realloc_check): If mremap succeeds actually use
the result.
* sysdeps/i386/i486/bits/string.h: Add early clobber for "a"
output parameter. Reported by Denis Zaitsev <zzz@cd-club.ru>.
* Versions.def (libthread_db): Add GLIBC_2.3.
2002-07-09 Jakub Jelinek <jakub@redhat.com>
* libio/freopen.c (freopen): Reset jump tables, use mmap stdio for the
new stream if possible.
* libio/freopen64.c (freopen64): Likewise.
* libio/Makefile (tests): Add tst-freopen.
* libio/tst-freopen.c: New file.
2002-07-03 Jakub Jelinek <jakub@redhat.com>
* libio/stdio.h (obstack_printf): Add format attribute.
(obstack_vprintf): Likewise.
2002-07-04 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h (re_token_t): Shrink the structure to 8
resp. 16 bytes on 32-bit resp. 64-bit platforms.
(re_charset_t, re_string_t): Reorder structure members for 64-bit
architectures.
2002-07-04 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (re_compile_internal): Move clearing of dfa...
(init_dfa): ...here.
2002-07-05 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (parse_sub_exp): Add nodes OP_OPEN_SUBEXP and
OP_CLOSE_SUBEXP at both ends of sub expressions instead of SUBEXP
nodes in parse trees.
(calc_first): Fix the Definition of `firsts' of OP_OPEN_SUBEXP
and OP_CLOSE_SUBEXP, and remove the definition of SUBEXP.
(calc_epsdest): Treat OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP as the
nodes which can epsilon transit.
* posix/regex_internal.h: Add OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP
to IS_EPSILON_NODE macro.
* posix/regexec.c (update_regs): New function to update registers
by refering OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP nodes.
(proceed_next_node): Use the entities of the nodes to determine
whether the node can transit to.
(set_regs): Use update_regs function to update registers.
2002-07-03 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex4.c (main): Remove duplicate setlocale.
* posix/bug-regex6.c: New file.
* posix/Makefile (tests): Add bug-regex6.
(bug-regex6-ENV): Set LOCPATH.
2002-07-10 Ulrich Drepper <drepper@redhat.com>
2002-06-20 Ulrich Drepper <drepper@redhat.com>
* spinlock.c (wait_node_alloc): We cannot use compare-and-exchange.
Unconditionally use the code using spinlock. Use __pthread_release
to free a spinlock.
(wait_node_free): Likewise.
(__pthread_acquire, __pthread_release): Unconditionally define.
