* 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.
* sysdeps/unix/sysv/linux/mips/getpagesize.c: New file.
2005-09-16 Andreas Jaeger <aj@suse.de>
[BZ #1047]
* sysdeps/unix/sysv/linux/mips/getpagesize.c: New file.
2005-09-16 Maciej W. Rozycki <macro@linux-mips.org>
[BZ #933]
* sysdeps/unix/sysv/linux/mips/brk.c (__brk): Load the number of
the syscall immediately before invocation.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl): Use
macros to handle GP.
* sysdeps/unix/sysv/linux/mips/mips64/syscall.S (syscall):
Likewise. Update inaccurate comments.
2005-09-16 Maciej W. Rozycki <macro@linux-mips.org>
[BZ #933]
* sysdeps/unix/sysv/linux/mips/brk.c (__brk): Load the number of
the syscall immediately before invocation.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl): Use
macros to handle GP.
* sysdeps/unix/sysv/linux/mips/mips64/syscall.S (syscall):
Likewise. Update inaccurate comments.
2005-07-11 Derek R. Price <derek@ximbiot.com>
[BZ #1061]
* sysdeps/generic/glob.c (glob): Only a 0 return from
getlogin_r means success, according to POSIX 1003.2.
2005-08-01 Bob Wilson <bob.wilson@acm.org>
Richard Sandiford <richard@codesourcery.com>
* sysdeps/ieee754/flt-32/e_hypotf.c (__ieee754_hypotf): Add missing
exponent bias to the value for 2^126.
2005-08-30 Jakub Jelinek <jakub@redhat.com>
Alan Modra <amodra@bigpond.net.au>
* elf/dl-addr.c (_dl_addr): Use DL_ADDR_SYM_MATCH macro.
* sysdeps/generic/ldsodefs.h (DL_ADDR_SYM_MATCH): Define.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h: New file.
2005-08-17 Robert Love <rml@novell.com>
* sysdeps/unix/sysv/linux/sys/inotify.h: Add IN_MOVE_SELF event.
2005-08-19 Bruno Haible <bruno@clisp.org>
* intl/localealias.c (read_alias_file): In case of failure, close the
file descriptor and sort the array before returning.
2005-08-19 Ulrich Drepper <drepper@redhat.com>
* malloc/Makefile: Link libmemusage.so with ld.so.
* malloc/memusage.c: Use atomic operations for all counter and size
computations. Handle thread stacks.
* sysdeps/generic/memusage.h: Define memusage_cntr_t and
memusage_size_t.
* sysdeps/i386/i686/memusage.h: New file.
* include/atomic.h: Define atomic_max and atomic_min.
* debug/tst-chk1.c: Add tests for mbstowcs and wcstombs.
* misc/sys/syslog.h: Include <bits/syslog.h> for fortification.
* misc/Makefile (headers): Add bits/syslog.h.
* include/sys/syslog.h: Add __vsyslog_chk prototype and hidden_proto.
* sysdeps/generic/syslog.c: Change vsyslog function to __vsyslog_chk.
Call __vfprintf_chk if necessary. Make vsyslog a wrapper. Add
__syslog_chk.
* misc/Versions: Export __syslog_chk and __vsyslog_chk.
* nis/nis_xdr.c: Help gcc to avoid generating unnecessary wrapper
functions.
* include/bits/wchar2.h: New file.
* wcsmbs/wchar.h: Include <bits/wchar2.h> if fortification is
requested.
* wcsmbs/wcsncpy.c: Add __wcsncpy alias.
* string/bits/string3.h: Add fortified stpncpy definitions.
* sysdeps/generic/stpncpy_chk.c: New file.
* libio/vswprintf.c: Move _IO_wstrnfile definition to strfile.h.
Export _IO_wstrn_jumps.
* libio/strfile.h: Define _IO_wstrnfile and declare _IO_wstrn_jumps.
* include/wchar.h: Declare __wcsncpy and __vswprintf_chk.
* debug/fgetws_chk.c: New file.
* debug/fgetws_u_chk.c: New file.
* debug/fwprintf_chk.c: New file.
* debug/swprintf_chk.c: New file.
* debug/vfwprintf_chk.c: New file.
* debug/vswprintf_chk.c: New file.
* debug/vwprintf_chk.c: New file.
* debug/wcpcpy_chk.c: New file.
* debug/wcpncpy_chk.c: New file.
* debug/wcscat_chk.c: New file.
* debug/wcscpy_chk.c: New file.
* debug/wcsncat_chk.c: New file.
* debug/wcsncpy_chk.c: New file.
* debug/wmemcpy_chk.c: New file.
* debug/wmemmove_chk.c: New file.
* debug/wmempcpy_chk.c: New file.
* debug/wmemset_chk.c: New file.
* debug/wprintf_chk.c: New file.
* debug/tst-chk1.c: Add tests for new functions.
* debug/Versions: Export new functions.
* debug/Makefile (routines): Add new functions.
* configure.in: Add --enable-stackguard-randomization option.
(ENABLE_STACKGUARD_RANDOMIZE): New define.
* config.h.in (ENABLE_STACKGUARD_RANDOMIZE): Add.
* sysdeps/unix/sysv/linux/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* sysdeps/generic/dl-osinfo.h: Include stdint.h.
(_dl_setup_stack_chk_guard): New inline function.
* elf/rtld.c (__stack_chk_guard): New variable.
(dl_main): Remove all traces of TLS_INIT_TP_EXPENSIVE.
Set __stack_chk_guard to _dl_setup_stack_chk_guard (),
use THREAD_SET_STACK_GUARD if defined.
* elf/Versions (ld): Export __stack_chk_guard@@GLIBC_2.4.
* sysdeps/generic/libc-start.c (__stack_chk_guard): New variable.
(__libc_start_main): Set __stack_chk_guard to
_dl_setup_stack_chk_guard (), use THREAD_SET_STACK_GUARD if defined.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Remove all
traces of TLS_INIT_TP_EXPENSIVE.
* debug/Versions (libc): Export __stack_chk_fail@@GLIBC_2.4.
* debug/Makefile (routines): Add stack_chk_fail.
(static-only-routines): Add stack_chk_fail_local.
* debug/stack_chk_fail_local.c: New file.
* debug/stack_chk_fail.c: New file.
* elf/Makefile: Add rules to build and run tst-stackguard1{,-static}
tests.
* elf/tst-stackguard1.c: New file.
* elf/tst-stackguard1-static.c: New file.
* elf/stackguard-macros.h: New file.
implicitly used memcpy.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c
(truncate64): Use __truncate, not truncate.
(__have_no_truncate64): Renamed from have_no_truncate64.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c
(__have_no_truncate64): Renamed from have_no_truncate64.
2005-06-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/clock_gettime.c (clock_gettime): Implement case
where HANDLED_REALTIME is not defined. [BZ #966]
2005-06-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_sendreq,
__netlink_receive): Remove prototypes.
(__netlink_request): New prototype.
* sysdeps/unix/sysv/linux/ifaddrs.c: Include <alloca.h> and
<stdint.h>.
(__netlink_sendreq): Make static.
(__netlink_receive): Rename to...
(__netlink_request): ... this. Add type argument, call
__netlink_sendreq. If MSG_TRUNC is set after recvmsg, retry
with a bigger buffer. Don't record buffers that contain no
messages we are expecting.
(getifaddrs): Use __netlink_request instead of __netlink_sendreq
and __netlink_receive pairs. Formatting.
* sysdeps/unix/sysv/linux/if_index.c (if_nameindex_netlink): Use
__netlink_request instead of __netlink_sendreq and __netlink_receive
pair.
2005-06-13 Thorsten Kukuk <kukuk@suse.de>
* sysdeps/unix/sysv/linux/netinet/if_tr.h: Don't include kernel
headers, instead copy important structs/defines.
2005-06-13 Jakub Jelinek <jakub@redhat.com>
* elf/rtld.c (dl_main): Move DT_DEBUG setup before first
_dl_debug_state call.
