| Commit message (Collapse) | Author | Age | Files | Lines |
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This doesn't exactly fit the theme but as long as I'm tinkering with
sys/types.h it makes sense to go through and create single-declaration
bits/types/ headers for all of the remaining cases where we have
two or more headers declaring a public type.
The remaining uses of the original __T_defined idiom are:
__error_t_defined in files shared with gnulib, which probably has to
remain as is; ____gwchar_t_defined in inttypes.h, which may not be
necessary anymore and should be addressed separately, and
__ldiv_t_defined and __lldiv_t_defined in stdlib.h, ditto.
Our handling of LFS types is a little inconsistent: some headers
declare both off_t and off64_t (for instance) when
_LARGEFILE64_SOURCE, others will only declare off_t regardless of
_LARGEFILE64_SOURCE. I don't know if this was intentional or not.
I am tempted to centralize responsibility for _LARGEFILE64_SOURCE as
well as _FILE_OFFSET_BITS=64 in bits/types/off_t.h (etc) so that any
header that declares off_t will automatically also declare off64_t
when _LARGEFILE64_SOURCE.
sunrpc/rpc/types.h is special, because it is included in files
compiled by the *build* compiler (cross-rpcgen-objs), and therefore it
cannot unconditionally assume bits/types headers are available. What
I did was have it include the appropriate bits/types headers only if
including sys/types.h did not cause __BIT_TYPES_DEFINED__ to be
defined. This will do the right thing when an installed rpc/types.h
is included by application code compiled without __USE_MISC in effect.
During the build, we rely on the fact that we compile all of our own
code with __USE_MISC in effect. This is fragile, but should be
acceptable for code that's no longer built by default anyway.
scripts/check-obsolete-constructs.py ensures that only sys/types.h and
rpc/types.h include the bits/types/ headers that define obsolete types.
* posix/bits/types/blkcnt64_t.h
* posix/bits/types/blkcnt_t.h
* posix/bits/types/blksize_t.h
* posix/bits/types/dev_t.h
* posix/bits/types/fsblkcnt64_t.h
* posix/bits/types/fsblkcnt_t.h
* posix/bits/types/fsfilcnt64_t.h
* posix/bits/types/fsfilcnt_t.h
* posix/bits/types/fsid_t.h
* posix/bits/types/gid_t.h
* posix/bits/types/id_t.h
* posix/bits/types/ino64_t.h
* posix/bits/types/ino_t.h
* posix/bits/types/intptr_t.h
* posix/bits/types/key_t.h
* posix/bits/types/loff_t.h
* posix/bits/types/mode_t.h
* posix/bits/types/nlink_t.h
* posix/bits/types/off64_t.h
* posix/bits/types/off_t.h
* posix/bits/types/pid_t.h
* posix/bits/types/socklen_t.h
* posix/bits/types/ssize_t.h
* posix/bits/types/suseconds_t.h
* posix/bits/types/uid_t.h
* posix/bits/types/useconds_t.h:
New single-declaration headers for standard types canonically
defined by sys/types.h, sys/socket.h, or inttypes.h but also
exposed by other headers under some circumstances. Code moved
from posix/sys/types.h, socket/sys/socket.h, stdlib/inttypes.h
as appropriate.
* posix/bits/types/uint.h
* posix/bits/types/u_int.h
* posix/bits/types/u_intN_t.h
* posix/bits/types/caddr_t.h
* posix/bits/types/daddr_t.h
* posix/bits/types/loff_t.h
* posix/bits/types/register_t.h:
Similarly, but for obsolete BSD-derived types whose canonical
home is sys/types.h. Some of these headers define more than
one type.
* posix/Makefile (headers): Install the above new headers.
Rewrap the list.
* posix/sys/types.h: All definitions of public types now
accomplished using the above new headers. Consolidate
groups of definitions controlled by the same feature
selection macros.
* inet/arpa/inet.h, bits/socket.h
* sysdeps/mach/hurd/bits/socket.h
* sysdeps/unix/sysv/linux/bits/socket.h:
Use bits/types/socklen_t.h.
* dirent/dirent.h: Use bits/types/ino_t.h and bits/types/ino64_t.h.
* grp/grp.h: Use bits/types/gid_t.h.
* io/fcntl.h: Use bits/types/mode_t.h, bits/types/off_t.h,
bits/types/pid_t.h, and bits/types/off64_t.h.
* io/sys/stat.h: Use bits/types/dev_t.h, bits/types/gid_t.h,
bits/types/ino_t.h, bits/types/mode_t.h, bits/types/nlink_t.h,
bits/types/off_t.h, bits/types/uid_t.h, and bits/types/blkcnt_t.h.
* libio/stdio.h: Use bits/types/off_t.h, bits/types/off64_t.h,
and bits/types/ssize_t.h.
* misc/sys/mman.h: Use bits/types/off_t.h and bits/types/mode_t.h.
* misc/sys/select.h: Use bits/types/suseconds_t.h.
* posix/sched.h: Use bits/types/pid_t.h.
* posix/sys/wait.h: Use bits/types/pid_t.h and bits/types/id_t.h.
* posix/unistd.h: Use bits/types/gid_t.h, bits/types/uid_t.h,
bits/types/off_t.h, bits/types/off64_t.h, bits/types/useconds_t.h,
bits/types/intptr_t.h, and bits/types/socklen_t.h.
* pwd/pwd.h: Use bits/types/gid_t.h and bits/types/uid_t.h.
* resource/sys/resource.h: Use bits/types/id_t.h.
* signal/signal.h: Use bits/types/pid_t.h and bits/types/uid_t.h.
* stdlib/monetary.h: Use bits/types/ssize_t.h.
* streams/stropts.h: Use bits/types/gid_t.h and bits/types/uid_t.h.
* sysdeps/gnu/utmpx.h: Use bits/types/pid_t.h.
* sysvipc/sys/ipc.h: Use bits/types/uid_t.h, bits/types/gid_t.h,
bits/types/mode_t.h, and bits/types/key_t.h.
* sysvipc/sys/msg.h: Use bits/types/pid_t.h and bits/types/ssize_t.h.
* sysvipc/sys/shm.h: Use bits/types/pid_t.h.
* termios/termios.h: Use bits/types/pid_t.h.
* time/sys/time.h: Use bits/types/suseconds_t.h.
* time/time.h: Use bits/types/pid_t.h.
* sunrpc/rpc/types.h: Consolidate all #includes at the top of
the file. If __BIT_TYPES_DEFINED__ is not defined after
including sys/types.h, also include bits/types/caddr_t.h,
bits/types/daddr_t.h, bits/types/fsid_t.h, and bits/types/u_int.h.
* scripts/check-obsolete-constructs.py (OBSOLETE_TYPE_HDR_RE_): New.
(ObsoleteIndirectDefinitionsAllowed): New; allows inclusion of
bits/types/ headers that define obsolete typedefs, but not
direct definitions of those types.
(ObsoleteNotAllowed, ObsoletePrivateDefinitionsAllowed)
(ObsoletePublicDefinitionsAllowed): Do not allow inclusion of
bits/types/ headers that define obsolete typedefs.
* include/bits/types/blkcnt64_t.h
* include/bits/types/blkcnt_t.h
* include/bits/types/blksize_t.h
* include/bits/types/caddr_t.h
* include/bits/types/daddr_t.h
* include/bits/types/dev_t.h
* include/bits/types/fsblkcnt64_t.h
* include/bits/types/fsblkcnt_t.h
* include/bits/types/fsfilcnt64_t.h
* include/bits/types/fsfilcnt_t.h
* include/bits/types/fsid_t.h
* include/bits/types/gid_t.h
* include/bits/types/id_t.h
* include/bits/types/ino64_t.h
* include/bits/types/ino_t.h
* include/bits/types/intptr_t.h
* include/bits/types/key_t.h
* include/bits/types/loff_t.h
* include/bits/types/mode_t.h
* include/bits/types/nlink_t.h
* include/bits/types/off64_t.h
* include/bits/types/off_t.h
* include/bits/types/pid_t.h
* include/bits/types/register_t.h
* include/bits/types/socklen_t.h
* include/bits/types/ssize_t.h
* include/bits/types/suseconds_t.h
* include/bits/types/u_char.h
* include/bits/types/u_intN_t.h
* include/bits/types/uchar.h
* include/bits/types/uid_t.h
* include/bits/types/useconds_t.h: New wrappers.
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This makes four linked changes to bits/types.h. First, we use
__(u)?int(16|32|64)_t to define __[SU](16|32|64)_TYPE. In addition
to reducing the amount of ifdeffage, this means __STD_TYPE is no longer
necessary, since gcc -std=c89 will complain about ‘typedef long long foo_t’
but not ‘typedef __int64_t foo_t’, even if the underlying type
of __int64_t is long long.
Second, we eliminate __UQUAD_TYPE and __SQUAD_TYPE from the set of
macros bits/typesizes.h should use to define __FOO_T_TYPE macros,
since they are always the same as __U64_TYPE and __S64_TYPE
respectively.
Third, we remove __u_char, __u_short, __u_int, __u_long, __u_quad_t,
and __quad_t, we add __uintptr_t, and we define __intmax_t and
__uintmax_t as __int64_t and __uint64_t.
Fourth, we reorganize the list of typedefs into groups by the
standard (if any) that defines them, and sort them alphabetically within
each group.
* posix/bits/types.h: Move #error for __WORDSIZE neither 32 nor 64
to first group of conditionals on __WORDSIZE, and make it more
explicit. Update commentary. Define all __foo_t types with
regular ‘typedef’. Reorganize all __foo_t types into the same
groups that sys/types.h uses.
(__u_char, __u_short, __u_int, __u_long, __quad_t, __u_quad_t)
(__UQUAD_TYPE, __SQUAD_TYPE, __STD_TYPE): Don’t define.
(__S16_TYPE): Define unconditionally as __int16_t.
(__U16_TYPE): Define unconditionally as __uint16_t.
(__S32_TYPE): Define unconditionally as __int32_t.
(__U32_TYPE): Define unconditionally as __uint32_t.
(__S64_TYPE): Define unconditionally as __int64_t.
(__U64_TYPE): Define unconditionally as __uint64_t.
(__intmax_t): Define unconditionally as __int64_t.
(__uintmax_t): Define unconditionally as __uint64_t.
(__uintptr_t): New typedef.
* bits/time64.h
* bits/typesizes.h
* sysdeps/mach/hurd/bits/typesizes.h
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
* sysdeps/unix/sysv/linux/generic/bits/typesizes.h
* sysdeps/unix/sysv/linux/mips/bits/typesizes.h
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
* sysdeps/unix/sysv/linux/x86/bits/typesizes.h:
Replace all uses of __UQUAD_TYPE with __U64_TYPE, and all
uses of __SQUAD_TYPE with __S64_TYPE.
* posix/sys/types.h, rpc/sys/types.h
(u_char): Define as unsigned char.
(u_short): Define as unsigned short.
(u_int): Define as unsigned int.
(u_long): Define as unsigned long.
(quad_t): Define as __int64_t.
(u_quad_t): Define as __uint64_t.
* stdlib/stdint.h (intptr_t): Define as __intptr_t.
(uintptr_t): Define as __uintptr_t.
* scripts/check-obsolete-constructs.py: Update allowed
definitions for the obsolete types. No longer allow
__STD_TYPE as an alias for typedef.
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caddr_t is a BSD-derived alias for ‘char *’, obsoleted by the
introduction of ‘void *’ in C89 (!) daddr_t is a “disk address,”
but it’s always defined as ‘int’, making it too small for modern
disks and tapes. loff_t is another name for off64_t, from early
drafts of LFS. All three are already only exposed by sys/types.h
under __USE_MISC.
This patch adds them to the set of types that shall not be used in
installed headers (enforced by check-obsolete-constructs.py) and
expunges all remaining uses, internally as well as in installed
headers. Since __DADDR_T_TYPE is always defined as __S32_TYPE, and
daddr_t is obsolete so there’s no need to worry about future
variation, the patch also removes __DADDR_T_TYPE from the set of
macros that bits/typesizes.h is required to define. Instead
bits/types.h always defines __daddr_t as __S32_TYPE, and the
definition is moved to a more logical location within the file, next
to __caddr_t.
It’s always safe to change (__)loff_t to the matching (__)off64_t;
in a few internal files, I removed an unnecessary __ prefix.
daddr_t is only used for struct ustat, which is obsoleted by struct
statvfs and we already don’t declare it in public headers, and for an
ioctl parameter block in sys/mtio.h (which may or may not be obsolete,
I can’t tell). In sys/mtio.h I replaced both uses with ‘int’ to match
the use of bare ‘long int’ for most of the other fields of that
structure. In misc/ustat.c, the definition of struct ustat is not
actually necessary so I removed it entirely. In
sysdeps/unix/sysv/linux/ustat.c a definition is necessary but only
because INLINE_SYSCALL_CALL doesn’t work (on at least x86) when an
argument is a pointer to an incomplete type, so I substituted a dummy
definition.
Most of the internal uses of caddr_t are in the sunrpc and nis
directories, and since most of that code is obsolete, I mechanically
replaced them with char * rather than consider whether void * might
make more sense. Because “const caddr_t foo” is semantically
different from “const char *foo” (in the first case ‘foo’ itself is
const but the memory pointed to isn’t, in the second case the memory
pointed to is const but ‘foo’ isn’t) this change exposed some
const-correctness errors in sunrpc, which I fixed minimally. Outside
of sunrpc and nis, I put a little more thought into whether uses of
caddr_t should be void * instead.
* scripts/check-obsolete-constructs.py: Add caddr_t, daddr_t,
and loff_t to the set of obsolete types forbidden in public
headers.
* posix/bits/types.h: Unconditionally define __daddr_t as
__S32_TYPE. Move definition of __daddr_t next to definition
of __caddr_t.
* bits/typesizes.h
* sysdeps/mach/hurd/bits/typesizes.h
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
* sysdeps/unix/sysv/linux/generic/bits/typesizes.h
* sysdeps/unix/sysv/linux/mips/bits/typesizes.h
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
* sysdeps/unix/sysv/linux/x86/bits/typesizes.h:
Don’t define __DADDR_T_TYPE.
* sysdeps/gnu/sys/mtio.h (struct mtget): Change all uses of
__daddr_t to int.
* misc/ustat.c: Remove definition of struct ustat; only
forward-declare it.
* sysdeps/unix/sysv/linux/ustat.c: Replace fields of
struct ustat with a size-preserving dummy field.
* hurd/Makefile (migheaderpipe): Rewrite loff_t as __off64_t.
* hurd/fd-read.c (_hurd_fd_read): Use off64_t instead of loff_t.
* hurd/fd-write.c (hurd_fd_write): Use off64_t instead of loff_t.
* hurd/hurd/fd.h (_hurd_fd_read, _hurd_fd_write): Declare
using __off64_t instead of __loff_t.
* support/xunistd.h (xcopy_file_range): Declare using off64_t
instead of loff_t.
* sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h
* sysdeps/unix/sysv/linux/lseek.c
* sysdeps/unix/sysv/linux/lseek64.c
* sysdeps/unix/sysv/linux/splice.c
Throughout, use off64_t instead of loff_t.
* sysdeps/unix/sysv/linux/sys/quota.h
(dqoff): Use __off64_t instead of __loff_t.
(quotactl): Declare using char * instead of caddr_t.
* sysdeps/unix/sysv/linux/test-errno-linux.c
(do_test): Cast to char * instead of caddr_t when calling quotactl.
* elf/dl-map-segments.h (_dl_map_segments): Cast to void *
instead of caddr_t when calling __mprotect and __mmap.
* elf/dl-minimal.c (malloc): Declare page as char *, not caddr_t.
* elf/dl-reloc.c (_dl_relocate_object): Declare textrels.start
as char *, not caddr_t. Cast to char *, not caddr_t, in
pointer arithmetic.
* intl/loadmsgcat.c: Remove two unnecessary casts to caddr_t
when calling munmap. Change a third cast to target void *
instead and add a comment explaining why this one is necessary.
* locale/loadlocale.c (_nl_load_locale): Use NULL instead of
`(caddr_t)0`, and remove an unnecessary cast to caddr_t when
calling munmap.
(_nl_unload_locale): Change casts when calling free and munmap
to target char *, and add a comment explaining why they are
necessary.
* sysdeps/gnu/net/if.h
(struct ifreq): Declare ifru_data as char *, not __caddr_t.
(struct ifconf): Declare ifcu_buf as char *, not __caddr_t.
* nis/nis_add.c
* nis/nis_call.c
* nis/nis_callback.c
* nis/nis_checkpoint.c
* nis/nis_findserv.c
* nis/nis_intern.h
* nis/nis_lookup.c
* nis/nis_mkdir.c
* nis/nis_modify.c
* nis/nis_ping.c
* nis/nis_remove.c
* nis/nis_rmdir.c
* nis/nis_server.c
* nis/nis_table.c
* nis/nis_util.c
* nis/nss_nisplus/nisplus-grp.c
* nis/nss_nisplus/nisplus-pwd.c
* nis/rpcsvc/nis_callback.h
* nis/rpcsvc/yp.h
* nis/ypclnt.c
* sunrpc/auth_des.c
* sunrpc/auth_unix.c
* sunrpc/authdes_prot.c
* sunrpc/authuxprot.c
* sunrpc/clnt_raw.c
* sunrpc/clnt_tcp.c
* sunrpc/clnt_udp.c
* sunrpc/clnt_unix.c
* sunrpc/key_call.c
* sunrpc/pm_getmaps.c
* sunrpc/pm_getport.c
* sunrpc/pmap_clnt.c
* sunrpc/pmap_prot2.c
* sunrpc/pmap_rmt.c
* sunrpc/proto.h
* sunrpc/rpc/auth.h
* sunrpc/rpc/clnt.h
* sunrpc/rpc/pmap_clnt.h
* sunrpc/rpc/pmap_rmt.h
* sunrpc/rpc/rpc_msg.h
* sunrpc/rpc/svc.h
* sunrpc/rpc/xdr.h
* sunrpc/rpc_clntout.c
* sunrpc/rpc_cmsg.c
* sunrpc/rpc_hout.c
* sunrpc/rpc_prot.c
* sunrpc/rpc_sample.c
* sunrpc/rpc_svcout.c
* sunrpc/svc.c
* sunrpc/svc_authux.c
* sunrpc/svc_raw.c
* sunrpc/svc_tcp.c
* sunrpc/svc_udp.c
* sunrpc/svc_unix.c
* sunrpc/xdr.c
* sunrpc/xdr_array.c
* sunrpc/xdr_mem.c
* sunrpc/xdr_rec.c
* sunrpc/xdr_ref.c
* sunrpc/xdr_sizeof.c
* sunrpc/xdr_stdio.c:
Mechanically replace all uses of caddr_t with char *.
* sunrpc/xdr_mem.c (xdrmem_create): Cast away const when
setting xdrs->x_private and xdrs->x_base.
* sunrpc/xdr_stdio.c (xdrstdio_getbytes): Correct argument
types in definition to match prototype.
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Currently register_t is, unlike all other types in sys/types.h,
defined using a GCC extension (__attribute__((mode(word)))), falling
back to ‘int’ if the extension is unavailable. This is a potential
ABI compatibility hazard for people using non-GNU compilers with
glibc. It’s also unnecessary; the bits/typesizes.h mechanism can
handle all of the existing variation in the definition. In most
cases, defining __REGISTER_T_TYPE as __SWORD_TYPE is sufficient.
Special handling is necessary for MIPS n32 and x86-64 x32, where
__SWORD_TYPE is ‘int’ and the appropriate type for register_t is
‘long long’. Unfortunately, this means we need to create a new
bits/typesizes.h variant for linux/mips. This variant is based
on the top-level bits/typesizes.h, not linux/generic/bits/typesizes.h,
to match the existing MIPS ABIs.
Tested using build-many-glibcs. The c++-types test confirms that the
physical type of register_t does not change on any supported platform.
* posix/sys/types.h: Typedef register_t as __register_t.
* posix/bits/types.h: Typedef __register_t using __REGISTER_T_TYPE.
* bits/typesizes.h
* sysdeps/mach/hurd/bits/typesizes.h
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
* sysdeps/unix/sysv/linux/generic/bits/typesizes.h
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h:
Define __REGISTER_T_TYPE as __SWORD_TYPE.
* sysdeps/unix/sysv/linux/mips/bits/typesizes.h:
New file (copied from bits/typesizes.h).
Define __REGISTER_T_TYPE as __SWORD_TYPE for o32 and n64 ABIs.
Define __REGISTER_T_TYPE as __SQUAD_TYPE for n32.
* sysdeps/unix/sysv/linux/x86/bits/typesizes.h:
Define __REGISTER_T_TYPE as __SWORD_TYPE for o32 and 64-bit ABIs.
Define __REGISTER_T_TYPE as __SQUAD_TYPE for x32.
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The Makefile glue to run tests on installed headers is currently
duplicated between the top-level Makefile and Rules, because the
top-level Makefile doesn't read Rules but does install some headers.
This patch moves most of the headers installed by the top-level Makefile
to misc/ (chosen arbitrarily; I'm open to putting them somewhere else
if reviewers feel it would be better) and removes the duplicated logic
from the top-level Makefile. I believe this also means that none of
the headers in include/ are installed headers anymore.
gnu/lib-names*.h are still generated by code in Makerules and installed
by the top-level Makefile. I tried to move them to misc/ as well, but
that broke the generation process in a manner that didn't make any sense
so I gave up. The tests performed on installed headers are not
especially useful for gnu/lib-names*.h so I think we can live with this
for now.
* include/bits/xopen_lim.h
* include/features.h
* include/gnu-versions.h
* include/gnu/libc-version.h
* include/limits.h
* include/stdc-predef.h
* include/values.h:
Move to misc/ and replace with a trivial wrapper.
* Makefile (headers): Remove all headers moved to misc/.
Don't set a vpath for %.h.
(check-installed-headers-c.out, check-installed-headers-cxx.out)
(check-wrapper-headers.out): Remove rules.
* misc/Makefile (headers): Add all of the above headers and
sort the list.
* sysdeps/mach/hurd/bits/errno.h: Regenerate.
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This patch fixes further coding style issues where code should have
broken lines before operators in accordance with the GNU Coding
Standards but instead was breaking lines after them.
Tested for x86_64, and with build-many-glibcs.py.
* stdio-common/vfscanf-internal.c (ARG): Break lines before rather
than after operators.
* sysdeps/mach/hurd/setitimer.c (timer_thread): Likewise.
(setitimer_locked): Likewise.
* sysdeps/mach/hurd/sigaction.c (__sigaction): Likewise.
* sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise.
* sysdeps/mach/pagecopy.h (PAGE_COPY_FWD): Likewise.
* sysdeps/mach/thread_state.h (machine_get_basic_state): Likewise.
* sysdeps/powerpc/powerpc64/tst-ucontext-ppc64-vscr.c
(PPC_CPU_SUPPORTED): Likewise.
* sysdeps/unix/sysv/linux/alpha/a.out.h (N_TXTOFF): Likewise.
* sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h
(stat_overflow): Likewise.
(statfs_overflow): Likewise.
* sysdeps/unix/sysv/linux/tst-personality.c (do_test): Likewise.
* sysdeps/unix/sysv/linux/tst-ttyname.c (eq_ttyname): Likewise.
(eq_ttyname_r): Likewise.
(run_chroot_tests): Likewise.
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* include/stdio.h (__renameat2): New hidden prototype.
* stdio-common/renameat2.c (__renameat2): Add hidden definition.
* sysdeps/mach/hurd/renameat.c (__renameat): Move implementation to...
* sysdeps/mach/hurd/renameat2.c (__renameat2): ... new function, and
add support for RENAME_NOREPLACE.
* sysdeps/unix/sysv/linux/renameat2.c (__renameat2): Add hidden definition.
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This patch fixes various places where a space should have been present
before '(' in accordance with the GNU Coding Standards. Most but not
all of the fixes in this patch are for calls to sizeof (but it's not
exhaustive regarding such calls that should be fixed).
Tested for x86_64, and with build-many-glibcs.py.
* benchtests/bench-strcpy.c (do_test): Use space before '('.
* benchtests/bench-string.h (cmdline_process_function): Likewise.
* benchtests/bench-strlen.c (do_test): Likewise.
(test_main): Likewise.
* catgets/gencat.c (read_old): Likewise.
* elf/cache.c (load_aux_cache): Likewise.
* iconvdata/bug-iconv8.c (do_test): Likewise.
* math/test-tgmath-ret.c (do_test): Likewise.
* nis/nis_call.c (rec_dirsearch): Likewise.
* nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise.
* nptl/tst-audit-threads.c (do_test): Likewise.
* nptl/tst-cancel4-common.h (set_socket_buffer): Likewise.
* nss/nss_test1.c (init): Likewise.
* nss/test-netdb.c (test_hosts): Likewise.
* posix/execvpe.c (maybe_script_execute): Likewise.
* stdio-common/tst-fmemopen4.c (do_test): Likewise.
* stdio-common/tst-printf.c (do_test): Likewise.
* stdio-common/vfscanf-internal.c (__vfscanf_internal): Likewise.
* stdlib/fmtmsg.c (NKEYWORDS): Likewise.
* stdlib/qsort.c (STACK_SIZE): Likewise.
* stdlib/test-canon.c (do_test): Likewise.
* stdlib/tst-swapcontext1.c (do_test): Likewise.
* string/memcmp.c (OPSIZ): Likewise.
* string/test-strcpy.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/test-strlen.c (do_test): Likewise.
(test_main): Likewise.
* string/test-strrchr.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/tester.c (test_memrchr): Likewise.
(test_memchr): Likewise.
* sysdeps/generic/memcopy.h (OPSIZ): Likewise.
* sysdeps/generic/unwind-dw2.c (execute_stack_op): Likewise.
* sysdeps/generic/unwind-pe.h (read_sleb128): Likewise.
(read_encoded_value_with_base): Likewise.
* sysdeps/hppa/dl-machine.h (elf_machine_runtime_setup): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/sfp-machine.h (TI_BITS): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/posix/spawni.c (maybe_script_execute): Likewise.
* sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (query_auxv):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/arm/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Likewise.
* sysdeps/unix/sysv/linux/csky/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/nios2/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Likewise.
* sysdeps/unix/sysv/linux/x86/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/sigcontext.h
(FP_XSTATE_MAGIC2_SIZE): Likewise.
* sysdeps/x86/fpu/sfp-machine.h (TI_BITS): Likewise.
* time/test_time.c (main): Likewise.
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This patch continues the process of fixing coding style to break lines
before not after operators in accordance with the GNU Coding
Standards, fixing such issues in a non-exhaustive selection of sysdeps
files that had them.
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/arm/sysdep.h (#if condition): Break lines before rather
than after operators.
* sysdeps/mach/hurd/fork.c (__fork): Likewise.
* sysdeps/mach/hurd/getcwd.c
(__hurd_canonicalize_directory_name_internal): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-consistent.c
(pthread_mutex_consistent): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-init.c (_pthread_mutex_init):
Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-transfer-np.c
(__pthread_mutex_transfer_np): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex-unlock.c
(__pthread_mutex_unlock): Likewise.
* sysdeps/mach/hurd/htl/pt-mutex.h (ROBUST_LOCK): Likewise.
(mtx_owned_p): Likewise.
* sysdeps/mach/hurd/htl/pt-mutexattr-getrobust.c
(pthread_mutexattr_getrobust): Likewise.
* sysdeps/mach/hurd/i386/init-first.c (init1): Likewise.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Likewise.
* sysdeps/mach/hurd/kill.c (__kill): Likewise.
* sysdeps/mach/hurd/mig-reply.c (__mig_get_reply_port): Likewise.
* sysdeps/mach/hurd/ptrace.c (ptrace): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h (#if condition):
Likewise.
* sysdeps/unix/sysv/linux/alpha/ioperm.c (process_cpuinfo):
Likewise.
* sysdeps/unix/sysv/linux/bits/timex.h (STA_RONLY): Likewise.
* sysdeps/unix/sysv/linux/csky/sysdep.h (#if condition): Likewise.
* sysdeps/unix/sysv/linux/generic/____longjmp_chk.c
(____longjmp_chk): Likewise.
* sysdeps/unix/sysv/linux/generic/futimesat.c (futimesat):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
(INTERNAL_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
(INTERNAL_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c
(__get_clockfreq_via_cpuinfo): Likewise.
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This patch fixes -Wimplicit-fallthrough warnings in system-specific
code that show up building glibc with -Wextra, by adding fall-through
comments, or moving existing such comments to the place required for
them to work (immediately before the case label being fallen through).
Tested with build-many-glibcs.py.
* sysdeps/i386/dl-machine.h (elf_machine_rela): Add fall-through
comments.
* sysdeps/m68k/m680x0/fpu/s_cexp_template.c (s(__cexp)): Likewise.
* sysdeps/m68k/memcopy.h (WORD_COPY_FWD): Likewise.
(WORD_COPY_BWD): Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela):
Likewise.
* sysdeps/s390/iso-8859-1_cp037_z900.c (TR_LOOP): Likewise.
* sysdeps/mips/dl-machine.h (elf_machine_reloc): Move fall-through
comment.
* sysdeps/mips/dl-trampoline.c (__dl_runtime_resolve): Likewise.
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This patch makes further coding style fixes where code was breaking
lines after an operator, contrary to the GNU Coding Standards. As
with the previous patch, it is limited to files following a reasonable
approximation to GNU style already, and is not exhaustive; more such
issues remain to be fixed.
Tested for x86_64, and with build-many-glibcs.py.
* dirent/dirent.h [!_DIRENT_HAVE_D_NAMLEN
&& _DIRENT_HAVE_D_RECLEN] (_D_ALLOC_NAMLEN): Break lines before
rather than after operators.
* elf/cache.c (print_cache): Likewise.
* gshadow/fgetsgent_r.c (__fgetsgent_r): Likewise.
* htl/pt-getattr.c (__pthread_getattr_np): Likewise.
* hurd/hurdinit.c (_hurd_setproc): Likewise.
* hurd/hurdkill.c (_hurd_sig_post): Likewise.
* hurd/hurdlookup.c (__file_name_lookup_under): Likewise.
* hurd/hurdsig.c (_hurd_internal_post_signal): Likewise.
(reauth_proc): Likewise.
* hurd/lookup-at.c (__file_name_lookup_at): Likewise.
(__file_name_split_at): Likewise.
(__directory_name_split_at): Likewise.
* hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise.
* hurd/port2fd.c (_hurd_port2fd): Likewise.
* iconv/gconv_dl.c (do_print): Likewise.
* inet/netinet/in.h (struct sockaddr_in): Likewise.
* libio/wstrops.c (_IO_wstr_seekoff): Likewise.
* locale/setlocale.c (new_composite_name): Likewise.
* malloc/memusagestat.c (main): Likewise.
* misc/fstab.c (fstab_convert): Likewise.
* nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt):
Likewise.
* nss/nss_compat/compat-grp.c (getgrent_next_nss): Likewise.
(getgrent_next_file): Likewise.
(internal_getgrnam_r): Likewise.
(internal_getgrgid_r): Likewise.
* nss/nss_compat/compat-initgroups.c (getgrent_next_nss):
Likewise.
(internal_getgrent_r): Likewise.
* nss/nss_compat/compat-pwd.c (getpwent_next_nss_netgr): Likewise.
(getpwent_next_nss): Likewise.
(getpwent_next_file): Likewise.
(internal_getpwnam_r): Likewise.
(internal_getpwuid_r): Likewise.
* nss/nss_compat/compat-spwd.c (getspent_next_nss_netgr):
Likewise.
(getspent_next_nss): Likewise.
(internal_getspnam_r): Likewise.
* pwd/fgetpwent_r.c (__fgetpwent_r): Likewise.
* shadow/fgetspent_r.c (__fgetspent_r): Likewise.
* string/strchr.c (STRCHR): Likewise.
* string/strchrnul.c (STRCHRNUL): Likewise.
* sysdeps/aarch64/fpu/fpu_control.h (_FPU_FPCR_IEEE): Likewise.
* sysdeps/aarch64/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/csky/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/generic/memcopy.h (PAGE_COPY_FWD_MAYBE): Likewise.
* sysdeps/generic/symbol-hacks.h (__stack_chk_fail_local):
Likewise.
* sysdeps/gnu/netinet/ip_icmp.h (ICMP_INFOTYPE): Likewise.
* sysdeps/gnu/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise.
* sysdeps/gnu/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise.
* sysdeps/hppa/jmpbuf-unwind.h (_JMPBUF_UNWINDS): Likewise.
* sysdeps/mach/hurd/bits/stat.h (S_ISPARE): Likewise.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Likewise.
(open_file): Likewise.
* sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c
(pthread_mutexattr_setprotocol): Likewise.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
* sysdeps/mach/hurd/mmap.c (__mmap): Likewise.
* sysdeps/mach/hurd/ptrace.c (ptrace): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/microblaze/dl-machine.h (elf_machine_type_class):
Likewise.
(elf_machine_rela): Likewise.
* sysdeps/mips/mips32/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/mips/mips64/sfp-machine.h (_FP_CHOOSENAN): Likewise.
* sysdeps/mips/sys/asm.h (multiple #if conditionals): Likewise.
* sysdeps/posix/rename.c (rename): Likewise.
* sysdeps/powerpc/novmx-sigjmp.c (__novmx__sigjmp_save): Likewise.
* sysdeps/powerpc/sigjmp.c (__vmx__sigjmp_save): Likewise.
* sysdeps/s390/fpu/fenv_libc.h (FPC_VALID_MASK): Likewise.
* sysdeps/s390/utf8-utf16-z9.c (gconv_end): Likewise.
* sysdeps/unix/grantpt.c (grantpt): Likewise.
* sysdeps/unix/sysv/linux/a.out.h (N_TXTOFF): Likewise.
* sysdeps/unix/sysv/linux/updwtmp.c (TRANSFORM_UTMP_FILE_NAME):
Likewise.
* sysdeps/unix/sysv/linux/utmp_file.c (TRANSFORM_UTMP_FILE_NAME):
Likewise.
* sysdeps/x86/cpu-features.c (get_common_indices): Likewise.
* time/tzfile.c (__tzfile_compute): Likewise.
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* sysdeps/mach/hurd/faccessat.c (__faccessat_common): Check for errors
returned by __hurd_at_flags.
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With upcoming BZ#12683 fix, syscall cancellation is not more handled
by {libc,pthread,librt}_{enable,disable}_asynccancel symbols. This renders
both LIBC_CANCEL_HANDLED and empty declaration and tst-cancel-wrappers.sh
unrequired. This patch removes both the macro and the nptl test.
Checked on x86_64-linux-gnu.
* io/creat.c (LIBC_CANCEL_HANDLED): Remove macro.
* io/ppoll.c (LIBC_CANCEL_HANDLED): Likewise.
* misc/pselect.c (LIBC_CANCEL_HANDLED): Likewise.
* nptl/pthreadP.h (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/mach/hurd/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/posix/pause.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/posix/sigpause.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/creat.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/creat64.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/sigwait.c (LIBC_CANCEL_HANDLED): Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c (LIBC_CANCEL_HANDLED):
Likewise.
* nptl/Makefile [$(run-built-tests) = yes] (tests-special): Remove
tst-cancel-wrappers.sh.
(generated): Remove tst-cancel-wrappers.out.
(tst-cancel-wrappers.out): Remove rule.
* nptl/tst-cancel-wrappers.sh: Remove file.
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The functions themselves return 0, but initializing a mutex/etc with .
pshared set to 1 will fail anyway .
* sysdeps/htl/pt-barrierattr-setpshared.c
(pthread_barrierattr_setpshared): Add stub warning.
* sysdeps/htl/pt-condattr-setpshared.c
(pthread_condattr_setpshared): Likewise.
* sysdeps/htl/pt-mutexattr-setpshared.c
(pthread_mutexattr_setpshared): Likewise.
* sysdeps/htl/pt-rwlockattr-setpshared.c
(pthread_rwlockattr_setpshared): Likewise.
* sysdeps/mach/hurd/htl/pt-mutexattr-setpshared.c
(pthread_mutexattr_setpshared): Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Test against 64bit `cmd'
values in the 64bit value cases.
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GCC mainline now gives errors for an asm that clobbers the stack
pointer. According to
<https://gcc.gnu.org/ml/gcc-patches/2018-12/msg00932.html> GCC
previously ignored such a clobber; thus, this patch removes it from
_hurd_stack_setup.
Tested with build-many-glibcs.py for i686-gnu.
* sysdeps/mach/hurd/i386/init-first.c (_hurd_stack_setup): Do not
clobber sp.
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* include/unistd.h (__confstr): Add prototype and hidden prototype.
* posix/confstr.c (confstr): Rename to __confstr.
(__confstr): Add hidden def.
(confstr): Add weak alias for __confstr.
* sysdeps/mach/hurd/spawni.c (__spawni): Call __confstr instead of
confstr.
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Along with posix_spawn_file_actions_addchdir,
posix_spawn_file_actions_addfchdir is the subject of a change proposal
for POSIX: <http://austingroupbugs.net/view.php?id=1208>
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Hurd has this in libc.so:
0024db9c g D .bss 00000000 GLIBC_2.2.6 _end
This g/D combination was not recognized before.
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to avoid calling va_end again, etc.
* sysdeps/mach/hurd/fcntl.c (__libc_fcntl): Directly return value
returned by __f_setlk.
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The logic for generating sysdeps/mach/hurd/bits/errno.h involves a
stamp file and $(move-if-change).
The temporary file (generated unconditionally) is generated in the
source directory. This means that even if
sysdeps/mach/hurd/bits/errno.h is up to date, and has an up to date
timestamp, the build will fail if the source directory is read-only.
Even with a writable source directory, multiple concurrent builds for
i686-gnu with the same source directory could race to access the
temporary file (which always has the same name).
This patch uses the build directory for the temporary file instead to
avoid those problems. (In the case where the file is out of date and
the temporary file does need to be moved to the source directory, if
there are multiple concurrent builds for i686-gnu with the same source
directory, and the source and build directories are on different
filesystems, it's possible there might still be races replacing the
file in the source directory, depending on exactly how mv handles such
cross-filesystem moves. This is certainly no worse than the present
situation, where such a case would have races regardless of whether
the file is out of date or whether different filesystems are in use.)
Tested with a build-many-glibcs.py build for i686-gnu.
* sysdeps/mach/hurd/Makefile ($(common-objpfx)stamp-errnos): Use
$(hurd-objpfx)bits/errno.h-tmp, not $(hurd)/bits/errno.h-tmp.
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Introduce new pow symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_pow.c and enabled for targets with their own pow implementation or
ifunc dispatch on __ieee754_pow by including math/w_pow.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously powl was an alias of pow, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __pow_finite symbol is now an alias of pow. Both __pow_finite and
pow set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that
may affect that header.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add pow.
* math/w_pow_compat.c (__pow_compat): Change to versioned compat
symbol.
* math/w_pow.c: New file.
* sysdeps/i386/fpu/w_pow.c: New file.
* sysdeps/ia64/fpu/e_pow.S: Add versioned symbols.
* sysdeps/ieee754/dbl-64/e_pow.c (__ieee754_pow): Rename to __pow
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_pow.c: New file.
* sysdeps/m68k/m680x0/fpu/w_pow.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_pow-fma.c (__ieee754_pow): Rename to
__pow.
* sysdeps/x86_64/fpu/multiarch/e_pow-fma4.c (__ieee754_pow): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_pow.c (__ieee754_pow): Likewise.
* sysdeps/x86_64/fpu/multiarch/w_pow.c: New file.
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Introduce new log2 symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_log2.c and enabled for targets with their own log2 implementation by
including math/w_log2.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously log2l was an alias of log2, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __log2_finite symbol is now an alias of log2. Both __log2_finite
and log2 set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add log2.
* math/w_log2_compat.c (__log2_compat): Change to versioned compat
symbol.
* math/w_log2.c: New file.
* sysdeps/i386/fpu/w_log2.c: New file.
* sysdeps/ia64/fpu/e_log2.S: Add versioned symbols.
* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Rename to __log2
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_log2.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log2.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
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Introduce new log symbol version that doesn't do SVID compatible error
handling. The standard errno and fp exception based error handling is
inline in the new code and does not have significant overhead.
The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty
w_log.c and enabled for targets with their own log implementation by
including math/w_log.c.
The compatibility symbol version still uses the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously logl was an alias of log, now it points to
the compatibility symbol with the wrapper, because it still need the
SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm)
and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well.
The __log_finite symbol is now an alias of log. Both __log_finite and
log set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that may
affect that header.
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add log.
* math/w_log_compat.c (__log_compat): Change to versioned compat
symbol.
* math/w_log.c: New file.
* sysdeps/i386/fpu/w_log.c: New file.
* sysdeps/ia64/fpu/e_log.S: Update.
* sysdeps/ieee754/dbl-64/e_log.c (__ieee754_log): Rename to __log
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_log.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_log-avx.c (__ieee754_log): Rename to
__log.
* sysdeps/x86_64/fpu/multiarch/e_log-fma.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log-fma4.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c (__ieee754_log): Likewise.
* sysdeps/x86_64/fpu/multiarch/w_log.c: New file.
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Introduce new exp and exp2 symbol version that don't do SVID compatible
error handling. The standard errno and fp exception based error handling
is inline in the new code and does not have significant overhead.
The double precision wrappers are disabled for sysdeps/ieee754/dbl-64
by using empty w_exp.c and w_exp2.c files, the math/w_exp.c and
math/w_exp2.c files use the wrapper template and can be included by
targets that have their own exp and exp2 implementations or use ifunc
on the glibc internal __ieee754_exp symbol.
The compatibility symbol versions still use the wrapper with SVID error
handling around the new code. There is no new symbol version nor
compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv).
On targets where previously expl and exp2l were aliases of exp and exp2,
now they point to the compatibility symbols with the wrapper, because
they still need the SVID compatible error handling. This affects
NO_LONG_DOUBLE (e.g arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets
as well.
The _finite symbols are now aliases of the standard symbols (they have
no performance advantage anymore). Both the standard symbols and
_finite symbols set errno and thus not const functions.
The ia64 asm is changed so the compat and new symbol versions map to the
same address.
On x86_64 #include <math.h> was added before macro definitions that may
affect that header (the new macro name is __exp instead of __ieee754_exp
which breaks some math.h macros).
Tested with build-many-glibcs.py.
* math/Versions (GLIBC_2.29): Add exp and exp2.
* math/w_exp2_compat.c (__exp2_compat): Change to versioned compat
symbol, handle NO_LONG_DOUBLE and LONG_DOUBLE_COMPAT explicitly.
* math/w_exp_compat.c (__exp_compat): Likewise.
* math/w_exp.c: New file.
* math/w_exp2.c: New file.
* sysdeps/i386/fpu/w_exp.c: New file.
* sysdeps/i386/fpu/w_exp2.c: New file.
* sysdeps/ia64/fpu/e_exp.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_exp2.S: Likewise.
* sysdeps/ieee754/dbl-64/e_exp.c (__ieee754_exp): Rename to __exp
and add necessary aliases.
* sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Rename to __exp2
and add necessary aliases.
* sysdeps/ieee754/dbl-64/w_exp.c: New file.
* sysdeps/ieee754/dbl-64/w_exp2.c: New file.
* sysdeps/m68k/m680x0/fpu/w_exp.c: New file.
* sysdeps/m68k/m680x0/fpu/w_exp2.c: New file.
* sysdeps/mach/hurd/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Update.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Update.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Update.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
* sysdeps/x86_64/fpu/multiarch/e_exp-avx.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp-fma.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp-fma4.c (__exp1): Remove.
(__ieee754_exp): Rename to __exp.
* sysdeps/x86_64/fpu/multiarch/e_exp.c (__ieee754_exp): Rename to
__exp.
* sysdeps/x86_64/fpu/multiarch/w_exp.c: New file.
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* sysdeps/mach/hurd/f_setlk.c: Include <unistd.h>.
(__f_setlk): When whence is SEEK_CUR, use __lseek64 to convert it to
SEEK_SET.
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struct flock64 uses 64bit values. This introduces other values for F_GETLK,
F_SETLK, F_SETLKW to distinguish between both.
* sysdeps/mach/hurd/bits/fcntl.h (F_GETLK64, F_SETLK64, F_SETLKW64): New
macros
[__USE_FILE_OFFSET64] (F_GETLK, F_SETLK, F_SETLKW): Define to F_GETLK64,
F_SETLK64, F_SETLKW64, respectively.
* sysdeps/mach/hurd/f_setlk.c: New file.
* sysdeps/mach/hurd/f_setlk.h: New file.
* sysdeps/mach/hurd/Makefile [$(subdir) = io] (sysdeps_routines): Add
f_setlk.
* sysdeps/mach/hurd/fcntl.c: Include "f_setlk.h".h".
(__libc_fcntl): Move non-flock operations to...
* sysdeps/mach/hurd/vfcntl.c (__libc_vfcntl): ... New file.
* sysdeps/mach/hurd/fcntl.c (fcntl64): Add missing alias.
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* sysdeps/mach/hurd/dl-sysdep.c (check_no_hidden): Use
__attribute_copy__ to copy attributes from name. Drop static qualifier
to avoid warnings about leaf attribute not having effect on static
functions.
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* sysdeps/mach/hurd/spawni.c (__spawni): Use orig_dtablesize instead
of dtablesize for allocating dtable_cloexec.
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* hurd/Versions (_hurd_port_move): Export function.
* sysdeps/mach/hurd/i386/libc.abilist (_hurd_port_move): Expect
symbol.
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* hurd/hurd/userlink.h (_hurd_userlink_move): New function.
* hurd/hurd/port.h (_hurd_port_move): New function.
* sysdeps/mach/hurd/spawni.c (NEW_ULINK_TABLE): New macro.
(EXPAND_DTABLE): Use NEW_ULINK_TABLE macro for ulink_dtable.
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This fixes build-many-glibcs.py on i686-gnu.
Thanks Florian Weimer for the initial version.
* sysdeps/mach/hurd/spawni.c (__spawni): Add ccwdir port. Test and use
it, free it if needed.
(reauthenticate): Test and use ccwdir.
(child_init_port): In non-resetids case, test and use ccwdir.
(child_chdir): New nested function to set ccwdir.
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* sysdeps/mach/hurd/msync.c (msync): Fix syntax.
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* sysdeps/mach/hurd/msync.c: New file.
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* sysdeps/mach/hurd/errnos.awk: Avoid printing errnos.d.
* sysdeps/gnu/errlist.c (EIEIO): Move text to...
* manual/errno.texi (EIEIO): ... here.
* sysdeps/gnu/errlist.c (EIEIO): Regenerate.
* sysdeps/mach/hurd/bits/errno.h: Regenerate.
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* sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Make
_hurd_intr_rpc_msg_about_to global point to start of controlled
assembly snippet. Make it check canceled flag.
* hurd/hurdsig.c (_hurdsig_abort_rpcs): Only mutate thread if it passed
the _hurd_intr_rpc_msg_about_to point.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Remove comment on mutation
issue, remove cancel flag check.
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* sysdeps/mach/hurd/i386/Makefile [$(subdir) = conform]
(test-xfail-ISO11/threads.h/linknamespace,
test-xfail-ISO11/threads.h/conform): Add.
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Exec needs that mach_setup_thread does *not* set up TLS since it works on
another task, so we have to split this into mach_setup_tls.
* mach/mach.h (__mach_setup_tls, mach_setup_tls): Add prototypes.
* mach/setup-thread.c (__mach_setup_thread): Move TLS setup to...
(__mach_setup_tls): ... new function.
(mach_setup_tls): New alias.
* hurd/hurdsig.c (_hurdsig_init): Call __mach_setup_tls after
__mach_setup_thread.
* sysdeps/mach/hurd/profil.c (update_waiter): Likewise.
* sysdeps/mach/hurd/setitimer.c (setitimer_locked): Likewise.
* mach/Versions [libc] (mach_setup_tls): Add symbol.
* sysdeps/mach/hurd/i386/libc.abilist (mach_setup_tls): Likewise.
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* sysdeps/mach/hurd/i386/init-first.c (init1): Move ELF hdr and TLS
initialization...
(init): ... before initializing libpthread.
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ld.so symbols to be overriden by libc need to be extern to really get
overriden.
* sysdeps/mach/hurd/not-errno.h: New file.
* sysdeps/mach/hurd/i386/localplt.data: Update accordingly.
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ld.so symbols to be overriden by libc need to be extern to really get
overriden.
* sysdeps/mach/hurd/dl-unistd.h (__access, __brk, __lseek, __read,
__sbrk): Do not set attribute_hidden.
* sysdeps/mach/hurd/i386/ld.abilist: Update accordingly.
* sysdeps/mach/hurd/i386/localplt.data: Update accordingly.
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ld.so symbols to be overriden by libc need to be extern to really get
overriden.
More fixes are needed to avoid the hidden attribute.
* sysdeps/mach/hurd/Versions (libc): Make __access and
__access_noerrno external so they can override the ld symbols.
(ld): Make __access, __read, __sbrk, __strtoul_internal, __write,
__writev, __open64, __access_noerrno extern so they can be overrided.
* sysdeps/mach/hurd/i386/libc.abilist: Update accordingly.
* sysdeps/mach/hurd/i386/ld.abilist: Update accordingly.
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* scripts/check-execstack.awk: Consider `xfail' variable containing a
list
of libraries whose stack executability is expected.
* elf/Makefile ($(objpfx)check-execstack.out): Pass
$(check-execstack-xfail) to check-execstack.awk through `xfail'
variable.
* sysdeps/mach/hurd/i386/Makefile (check-execstack-xfail): Set to ld.so
libc.so libpthread.so.
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* sysdeps/mach/include/mach-shortcuts-hidden.h [!_ISOMAC]: Do not
declare libc hidden prototypes.
* sysdeps/mach/include/mach/mach_traps.h [!_ISOMAC]: Likewise.
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* sysdeps/mach/hurd/pipe2.c: New file, copy from pipe.c. Evolve it to
implement __pipe2.
* sysdeps/mach/hurd/pipe.c (__pipe): Reimplement using __pipe2.
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* sysdeps/mach/hurd/socketpair.c (__socketpair): Handle SOCK_CLOEXEC
and SOCK_NONBLOCK.
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