2004-01-14 Ulrich Drepper <drepper@redhat.com>
* configure.in: Define HAVE_Z_RELRO if the linker supports -z relro.
* config.h.in: Add entry for HAVE_Z_RELRO.
* include/libc-symbols.h: Define attribute_relro.
* elf/dl-load.c: Add attribute_relro to env_path_list, capstr, ncapstr,
max_capstrlen, and max_dirnamelen definitions.
* elf/rtld.c: Add attribute_relro to _dl_argc, _dl_argv, _dl_skip_args,
load_time, start_time, library_path, preloadlist, version_info,
any_debug.
Remove rtld_total_time. Make it a local variable. Pass pointer to
it to print_statistics. Change print_statistics accordingly.
* sysdeps/generic/dl-sysdep.c: Add attribute_relro to _dl_auxv. Use
attribute_relro instead of explicitly assigning variable to the
.data.rel.ro section for __libc_enable_secure and __libc_stack_end.
* sysdeps/generic/ldsodefs.h: Declare __libc_stack_end, _dl_argc,
_dl_argv, _dl_argv_internal with attribute_relro.
2004-01-09 Bruno Haible <bruno@clisp.org>
* intl/gmo.h (MO_REVISION_NUMBER_WITH_SYSDEP_I): New definition.
* intl/loadmsgcat.c (get_sysdep_segment_value): Handle "I".
(_nl_load_domain): Treat major revision 1 like major revision 0.
2004-01-11 Bruno Haible <bruno@clisp.org>
* stdio-common/vfprintf.c (vfprintf): Disallow the 'I' flag after
width or precision has been seen.
2004-01-08 Bruno Haible <bruno@clisp.org>
* intl/loadmsgcat.c (_nl_load_domain): When a string pair uses a system
dependent segment not known to this version of the library, ignore
the string pair instead of crashing.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* posix/regex.c: Support crappy compilers and platforms which have
problems with alloca.
* posix/regex_internal.h: Likewise.
Patch by Paolo Bonzini.
2004-01-12 Paolo Bonzini <bonzini@gnu.org>
* posix/regcomp.c [_LIBC && !RE_ENABLE_I18N]:
Drop code to support this, it is never true.
(build_range_exp) [!_LIBC]: Do not create a range
in MBCSET for a single-byte character set.
(build_range_exp) [_LIBC]: Do not create a range
in MBCSET for a single-byte character set without
collation elements.
(init_dfa): Do not conditionalize on _LIBC, it
just makes the code less clear.
(parse_bracket_exp): Use NON_MATCH variable in
addition to "mbcset->non_match", not as an
alternative.
(build_charclass_op): rename NOT parameter to
NON_MATCH, use it instead of declaring a variable.
(parse_bracket_exp) [!_LIBC]: Pass NULL for MBCSET
if the character set is single-byte.
2004-01-14 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (peek_token_bracket): Check remaining
string length before re_string_peek_byte (x, 1).
(parse_bracket_symbol): Likewise.
* posix/regex_internal.h (re_string_is_single_byte_char): Return
true at last byte in the string.
* posix/bug-regex22.c (main): Add new test.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/dl-machine.h: Include <tls.h>.
* elf/rtld.c (_dl_start_final): Initialze __libc_stack_end here.
* sysdeps/generic/dl-sysdep.c: Define __libc_stack_end with
rtld_hidden_def and move into .data.rel.ro section.
* sysdeps/generic/ldsodefs.h: Declare __libc_stack_end with
rtld_hidden_proto.
* sysdeps/generic/libc-start.c: Only initialize __libc_stack_end here
if !SHARED.
* sysdeps/unix/sysv/linux/dl-execstack.c
(_dl_make_stack_executable): Move common code in front. Use
__builtin_expect.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/dl-execstack.c: Change interface. Add
challenge for caller.
* sysdeps/generic/ldsodefs.h: Change declaration and type of hook
member in rtld_global appropriately.
* elf/dl-support.c: Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Take additional paramter.
Pass it on to the changed function.
(_dl_map_object): Pass new parameter to _dl_map_object_from_fd.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Rewrite based
on powerpc version.
2004-01-13 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/Makefile: New file.
* sysdeps/alpha/tcb-offsets.sym: New file.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (SINGLE_THREAD_P):
Use MULTIPLE_THREADS_OFFSET to implement !libpthread !libc version.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Rewrite based
on powerpc version.
* sysdeps/unix/alpha/sysdep.h: Select inline_syscall_r0_asm
based on HAVE___THREAD instead of USE_TLS.
* sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIMEX32): New.
(__adjtimex_tv64): Use it.
* sysdeps/unix/sysv/linux/alpha/semctl.c (__new_semctl): Cast
to void* rather than directly to the compatibility structure type.
* sysdeps/unix/sysv/linux/alpha/shmctl.c (__new_shmctl): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigaction.c (struct kernel_sigaction):
Forward declare.
* sysdeps/alpha/bits/atomic.h (__arch_compare_and_exchange_xxx_8_int):
Cast old up to uint64_t before back down to inner width.
(__arch_compare_and_exchange_xxx_16_int): Likewise.
(__arch_compare_and_exchange_xxx_32_int): Likewise.
(__arch_compare_and_exchange_xxx_64_int): Likewise.
(__arch_compare_and_exchange_val_8_int): Cast result to
the type of the memory.
(__arch_compare_and_exchange_val_16_int): Likewise.
(__arch_compare_and_exchange_val_32_int): Likewise.
(__arch_compare_and_exchange_val_64_int): Likewise.
(atomic_compare_and_exchange_bool_acq): Use __atomic_bool_bysize.
(atomic_compare_and_exchange_bool_rel): Likewise.
* sysdeps/unix/alpha/sysdep.h: Select inline_syscall_r0_asm
based on HAVE___THREAD instead of USE_TLS.
* sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIMEX32): New.
(__adjtimex_tv64): Use it.
* sysdeps/unix/sysv/linux/alpha/semctl.c (__new_semctl): Cast
to void* rather than directly to the compatibility structure type.
* sysdeps/unix/sysv/linux/alpha/shmctl.c (__new_shmctl): Likewise.
* sysdeps/unix/sysv/linux/alpha/sigaction.c (struct kernel_sigaction):
Forward declare.
2004-01-13 Richard Henderson <rth@redhat.com>
Paolo Bonzini <bonzini@gnu.org>
Compare the node sets after all the other comparisons.
the old thread-m.h header too.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* Makeconfig: Define relro-LDFLAGS if have-z-relro==yes. Add it to
LDFLAGS.so and LDFLAGS-rtld.
(+link): Add relro-LDFLAGS.
* Makeconfig (shlib.lds): Place __libc_subfreeres, __libc_atexit, and
__libc_thread_subfreeres sections after .jcr section.
* config.make.in: Add have-z-relro.
* configure.in: Add check for -z relro option.
* include/link.h (struct link_map): Add relro_addr and relro_size
members.
* elf/dl-load.c (_dl_map_object_from_fd): Recognize PT_GNU_RELRO.
* elf/dl-reloc.c (_dl_relocate_object): At the end, make relro
part of loaded segments read-only.
* elf/elf.h: Define PT_GNU_RELRO.
* elf/rtld.c (_dl_start): Recognize PT_GNU_RELRO of ld.so.
(dl_main): Recognize PT_GNU_RELRO of the application. Call
_dl_debug_initialize and initialize l_info[DT_DEBUG] before
relocations.
2004-01-08 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/clone.S (__clone): Add cfi_endproc
right before syscall and cfi_startproc before PSEUDO_END.
Clear %rbp in thread_start.
2004-01-05 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (regcomp): Fix comment typo.
(regfree): Free preg->translate, clear buffer, allocated, fastmap
and translate fields.
* posix/regcomp.c (build_charclass, buld_charclass_op): Change first
argument to unsigned RE_TRANSLATE_TYPE.
* posix/regex_internal.h (re_string_t): Change trans type to
unsigned RE_TRANSLATE_TYPE.
* posix/regex_internal.c (re_string_construct_common): Cast
trans to unsigned RE_TRANSLATE_TYPE.
(re_string_peek_byte_case, re_string_fetch_byte_case): Avoid fast
path if pstr->trans. Never translate the character through
pstr->trans.
* posix/Makefile (tests): Add bug-regex22.
(bug-regex22-ENV): Set.
* posix/bug-regex22.c: New test.
register as second parameter to the REGISTER macro.
* sysdeps/ia64/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/powerpc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sh/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sparc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/s390/tls.h (DB_THREAD_SELF): Pass __WORDSIZE as bit size
of thread register as second parameter to REGISTER macro in 64 case.
(time_t_is_integer, twos_complement_arithmetic,
right_shift_propagates_sign, base_year_is_a_multiple_of_100,
C99_integer_division): Document these longstanding assumptions in the
code, and verify them at compile-time.
* time/mktime.c (verify): New macro.
(time_t_is_integer, twos_complement_arithmetic,
right_shift_propagates_sign, base_year_is_a_multiple_of_100,
C99_integer_division): Document these longstanding assumptions in the
code, and verify them at compile-time.
Ulrich Drepper
Roland McGrath
Richard Henderson
Andreas Jaeger