* elf/rtld.c: Define __pointer_chk_guard_local and if necessary
__pointer_chk_guard.
(_rtld_global_ro): Initialize _dl_pointer_guard.
(dl_main): Initialize __pointer_chk_guard_local and either
__pointer_chk_guard or TLS value if necessary.
(process_envvars): Recognize and handle LD_POINTER_GUARD.
* sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_pointer_guard.
* sysdeps/i386/__longjmp.S: Use PTR_DEMANGLE for PC if defined.
* sysdeps/x86_64/__longjmp.S: Likewise.
* sysdeps/i386/bsd-_setjmp.S: Use PTR_MANGLE for PC if defined.
* sysdeps/i386/bsd-_setjmp.S: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
[IS_IN_rtld]: Avoid call to __sigjmp_save.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define PTR_MANGLE and
PTR_DEMANGLE.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/i386/elf/setjmp.S: Removed.
* sysdeps/i386/elf/bsd-setjmp.S: Removed.
protection and allow pthread.h to include bits/setjmp.h as well as
setjmp.h.
* sysdeps/m68k/bits/setjmp.h: Likewise.
* sysdeps/s390/bits/setjmp.h: Make sure only setjmp.h or pthread.h
are allow to include bits/setjmp.h.
* sysdeps/mips/bits/setjmp.h (_JMPBUF_UNWINDS): Cast rhs to match lhs
cast of address.
* sysdeps/sh/bits/setjmp.h: Likewise.
2005-11-12 Jim Meyering <jim@meyering.net>
* sysdeps/unix/opendir.c (__alloc_dir): Declare STATP parameter
to be pointer to const.
* include/dirent.h: Update decl.
2005-11-26 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/strncmp.S: Don't read too much data when pointers
are co-aligned, and count is aligned with the end of the word.
2005-11-25 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/fxstatat.c (__fxstatat): Fix typo.
(__fxstatat64): Alias from __fxstatat; remove other cnp errors.
* sysdeps/unix/sysv/linux/alpha/sigaction.c: Include sys/cdefs.h
and stddef.h.
* sysdeps/unix/sysv/linux/alpha/bits/mman.h (MREMAP_FIXED): Define.
(struct shmid_ds): Use it for shm_nattch field.
2005-11-18 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/futimesat.c (futimesat): If FILE is NULL,
set access and modification times of the file referenced by FD.
* sysdeps/generic/futimesat.c (futimesat): Don't return EINVAL if
FILE is NULL. Don't check FD if FILE is absolute path.
2005-11-19 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd_gethst_r.c (nscd_gethst_r): Avoid unnecesary read call
if there are no aliases.
* sysdeps/unix/sysv/linux/Makefile (CFLAGS-connections.c,
CFLAGS-pwdcache.c, CFLAGS-grpcache.c, CFLAGS-hstcache.c,
CFLAGS-aicache.c, CFLAGS-initgrcache.c): Add -DHAVE_SENDFILE.
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_SENDFILE):
Define.
* nscd/pwdcache.c [HAVE_SENDFILE]: Include <sys/sendfile.h> and
<kernel-features.h>.
[HAVE_SENDFILE] (cache_addpw): Use sendfile to transmit positive
result.
* nscd/grpcache.c: Likewise.
* nscd/hstcache.c: Likewise.
* nscd/aicache.c: Likewise.
* nscd/initgrcache.c: Likewise.
* nscd/connectionc.c: Likewise.
* inet/netinet/icmp6.h: More updates for RFC3542.
* inet/netinet/ip6.h: Likewise.
* sysdeps/unix/sysv/linux/bits/in.h: Adjust for current kernel sources.
Patch by David L Stevens <dlstevens@us.ibm.com>.
epoll_wait): Align with poll, make cancelable.
2005-11-15 Jakub Jelinek <jakub@redhat.com>
* io/sys/stat.h (fstatat): Don't use __THROW together with
__REDIRECT_NTH.
fchownat, and unlinkat.
(static-only-routines): Add fstatat and fstatat64.
(tests): Add tst-unlinkat, tst-fstatat, tst-futimesat, tst-renameat,
and tst-fchownat.
* io/Versions [GLIBC_2.4]: Add fchownat, __fxstatat, __fxstatat64,
and unlinkat.
* io/fcntl.h: Define AT_FDCWD, AT_SYMLINK_NOFOLLOW, and AT_REMOVEDIR.
* io/fstatat.c: New file.
* io/fstatat64.c: New file.
* io/sys/stat.h: Declare fstatat, fstatat64, __fxstatat, __fxstatat64
and define fstatat and fstatat64 inline functions.
* libio/stdio.h: Declare renameat.
* misc/Makefile (routines): Add futimesat.
* misc/Versions [GLIBC_2.4]: Add futimesat.
* posix/unistd.h: Declare fchownat and unlinkat.
* stdio-common/Makefile (routines): Add renameat.
* stdio-common/Versions [GLIBC_2.4]: Add renameat.
* sysdeps/generic/fchownat.c: New file.
* sysdeps/generic/futimesat.c: New file.
* sysdeps/generic/fxstatat.c: New file.
* sysdeps/generic/fxstatat64.c: New file.
* sysdeps/generic/renameat.c: New file.
* sysdeps/generic/unlinkat.c: New file.
* sysdeps/unix/sysv/linux/fchownat.c: New file.
* sysdeps/unix/sysv/linux/futimesat.c: New file.
* sysdeps/unix/sysv/linux/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/fxstatat64.c: New file.
* sysdeps/unix/sysv/linux/renameat.c: New file.
* sysdeps/unix/sysv/linux/unlinkat.c: New file.
* sysdeps/unix/sysv/linux/alpha/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/i386/fchownat.c: New file.
* sysdeps/unix/sysv/linux/i386/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/m68k/fchownat.c: New file.
* sysdeps/unix/sysv/linux/m68k/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/powerpc/fchownat.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c: New file.
* sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sh/fchownat.c: New file.
* sysdeps/unix/sysv/linux/sh/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c: New file.
* time/sys/time.h: Declare futimesat.
* include/fcntl.h: Declare __atfct_seterrno.
* sysdeps/unix/sysv/linux/openat.c (__atfct_seterrno): New function.
Split out from openat code and called.
(do_test): Allow openat to fail with ENOSYS. Handle AT_FDCWD.
* sysdeps/generic/openat.c: Handle AT_FDCWD.
* sysdeps/generic/openat64.c: Likewise.
* io/tst-unlinkat.c: New file.
* io/tst-fstatat.c: New file.
* io/tst-futimesat.c: New file.
* io/tst-renameat.c: New file.
* io/tst-fchownat.c: New file.
* io/tst-openat.c: Don't fail if openat is not implemented.
* sysdeps/unix/sysv/linux/powerpc/chown.c: Don't provide backward
compatibility code if new kernel is guaranteed.
* time/sys/time.h: Add a few nonnull attributes.
* io/Makefile (routines): Add openat and openat64.
(tests): Add tst-openat.
* io/Versions: Add openat and openat64 for GLIBC_2.4.
* sysdeps/generic/openat.c: New file.
* sysdeps/generic/openat64.c: New file.
* sysdeps/unix/sysv/linux/openat.c: New file.
* sysdeps/unix/sysv/linux/openat64.c: New file.
* io/tst-openat.c: New file.
* sysdeps/unix/sysv/linux/device-nrs.h: Add info for /dev/full.
2005-11-03 Ulrich Drepper <drepper@redhat.com>
[BZ #1774]
* sysdeps/posix/getaddrinfo.c (gaih_inet): Don't use simple
gethostbyname2 lookup if AI_V4MAPPED|AI_ALL is set.
* sysdeps/posix/getaddrinfo.c (gaih_inet): Avoid alloca when possible
while looking for scope delimiter.
Some pretty printing.
2005-10-22 Roland McGrath <roland@redhat.com>
[BZ #1254]
* sysdeps/mach/hurd/getpeername.c (__getpeername): Fix last change.
From Samuel Thibault <samuel.thibault@ens-lyon.org>.
Return EOF not 0.
* sysdeps/unix/sysv/linux/readonly-area.c (__readonly_area): Also
allow EACCES errors when opening /rpco for now.
* wctype/wcfuncs.c: Don't use expensive wide char lookups in isw*
functions if character is in ASCII range.
* wctype/wcfuncs_l.c: Likewise.
* sysdeps/unix/sysv/linux/sh/sh3/getcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh4/getcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh3/setcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh4/setcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.h: New file.
* sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.h: New file.
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Removed.
* sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/sh/sh4/sys/ucontext.h: New file.
2005-08-05 Alfred M. Szmidt <ams@gnu.org>
[BZ #1252]
* sysdeps/mach/hurd/setitimer.c (restart_itimer): Move static fn
forward decl out of function body.
* sysdeps/mach/hurd/profil.c: Likewise.
[BZ #1249]
* sysdeps/mach/hurd/getpeername.c (__getpeername): Respect *LEN
byte limit when setting ADDR->sa_family.
Reported by Samuel Thibault <samuel.thibault@ens-lyon.org>.
2005-10-16 Roland McGrath <roland@frob.com>
[BZ #1253]
* sysdeps/mach/hurd/i386/init-first.c (init): Make cast kosher.
(_hurd_stack_setup): Don't declare with arguments and ellipsis.
Use __builtin_frame_address and __builtin_return_address.
(_dl_init_first): Likewise.
* sysdeps/mach/hurd/i386/init-first.c (_cthread_init_routine): Declare
as weak extern.
(init): Check for it being undefined.
__alloc_dir.
(__alloc_dir): Only close descriptor on error if new parameter is true.
* sysdeps/unix/fdopendir.c (fdopendir): Pass extra argument to
__alloc_dir. Don't close fd on error.
* include/dirent.h (__alloc_dir): Adjust prototype.
* include/sys/mman.h (__mremap): Add ellipsis.
* malloc/memusage.c: Adjust mremap wrapper for optional additional
parameter.
* sysdeps/generic/s_csqrt.c (__csqrt): For zero real part, return
principal square root.
* sysdeps/generic/s_csqrtf.c (__csqrtf): Likewise.
* sysdeps/generic/s_csqrtl.c (__csqrtl): Likewise.
* math/libm-test.inc (csqrt_test): Add test for returning
principal value.
Use ARCH_PLTENTER_MEMBERS and ARCH_PLTEXIT_MEMBERS macros if defined.
* elf/tst-auditmod1.c: Include <tst-audit.h> to define more
architecture-specific code.
* sysdeps/generic/tst-audit.h: New file.
* elf/Makefile (distribute): Add it.
check_arrival_add_next_nodes): Avoid using uninitialized variable.
* malloc/memusage.c (dest): Fix a bunch of warnings on 32-bit arches.
* sysdeps/i386/fpu/libm-test-ulps: Update for GCC 4.0.x.
* dirent/Versions: Export fdopendir for GLIBC_2.4.
* dirent/Makefile (routines): Add fdopendir.
(tests): Add tst-fdopendir.
* dirent/tst-fdopendir.c: New file.
* include/dirent.h: Declare __alloc_dir.
* sysdeps/generic/fdopendir.c: New file.
* sysdeps/unix/fdopendir.c: New file.
* sysdeps/unix/opendir.c: Split off back part of opendir into new
function __alloc_dir.
2005-09-20 Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/lddlibc4.c (main): Use execv, not execl.
[BZ #1346]
* elf/dl-load.c (_dl_map_object_from_fd) [HAVE_Z_RELRO]: Do relro
magic on __stack_prot only if [SHARED]. Skip mprotect if __stack_prot
lies outside the page-rounded-down relro region.
