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* posix: New function posix_spawn_file_actions_addchdir_np [BZ #17405]Florian Weimer2018-11-061-0/+1
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* nptl: Add abilist symbols for C11 threadsAdhemerval Zanella2018-07-241-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the required abilist symbols for C11 thread support. Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu, powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu, and x86_64-linux-gnu). Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabhf, and powerpc64le-linux-gnu. [BZ #14092] * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28] (thrd_current, thrd_equal, thrd_sleep, thrd_yield): Add C11 thread symbols. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist [[GLIBC_2.28] (call_once, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, cnd_wait, mtx_destroy, mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlokc, thrd_create, thrd_detach, thrd_exit, thrd_join, tss_create, tss_delete, tss_get, tss_set): Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise. ikewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist: * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
* Add the statx functionFlorian Weimer2018-07-101-0/+1
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* Add renameat2 function [BZ #17662]Florian Weimer2018-07-051-0/+1
| | | | | | | The implementation falls back to renameat if renameat2 is not available in the kernel (or in the kernel headers) and the flags argument is zero. Without kernel support, a non-zero argument returns EINVAL, not ENOSYS. This mirrors what the kernel does for invalid renameat2 flags.
* Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)Adhemerval Zanella2018-06-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the OFD ("file private") locks for architectures that support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and F_{SET,GET}L{W}K64 expects a flock64 argument and when using old F_OFD_* flags with a non LFS flock argument the kernel might interpret the underlying data wrongly. Kernel idea originally was to avoid using such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS semantic as default it is possible to provide the functionality and avoid the bogus struct kernel passing by adjusting the struct manually for the required flags. The idea follows other LFS interfaces that provide two symbols: 1. A new LFS fcntl64 is added on default ABI with the usual macros to select it for FILE_OFFSET_BITS=64. 2. The Linux non-LFS fcntl use a stack allocated struct flock64 for F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided struct. 3. Keep a compat symbol with old broken semantic for architectures that do not define __OFF_T_MATCHES_OFF64_T. So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will aliased to fcntl and no adjustment would be required. So to actually use F_OFD_* with LFS support the source must be built with LFS support (_FILE_OFFSET_BITS=64). Also F_OFD_SETLKW command is handled a cancellation point, as for F_SETLKW{64}. Checked on x86_64-linux-gnu and i686-linux-gnu. [BZ #20251] * NEWS: Mention fcntl64 addition. * csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel. * login/utmp_file.c: Likewise. * sysdeps/posix/fdopendir.c: Likewise. * sysdeps/posix/opendir.c: Likewise. * sysdeps/unix/pt-fcntl.c: Likewise. * include/fcntl.h (__libc_fcntl64, __fcntl64, __fcntl64_nocancel_adjusted): New prototype. (__fcntl_nocancel_adjusted): Remove prototype. * io/Makefile (routines): Add fcntl64. (CFLAGS-fcntl64.c): New rule. * io/Versions [GLIBC_2.28] (fcntl64): New symbol. [GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64. * io/fcntl.h (fcntl64): Add prototype and redirect if __USE_FILE_OFFSET64 is defined. * io/fcntl64.c: New file. * manual/llio.text: Add a note for which commands fcntl acts a cancellation point. * nptl/Makefile (CFLAGS-fcntl64.c): New rule. * sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols. * sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64): New symbols. * sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64, F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for non-LFS case. * sysdeps/unix/sysv/linux/fcntl64.c: New file. * sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename to __fcntl64_nocancel. (__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted. * sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename to __fcntl64_nocancel. * sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file. * sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise. * sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks. (tests-internal): Add tst-ofdlocks-compat. * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28] (fcntl64): New symbol. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl, fcntl64): Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* Ignore absolute symbols in ABI tests.Joseph Myers2018-05-041-8/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent binutils patch <https://sourceware.org/ml/binutils/2018-04/msg00336.html> stops the MIPS linker including the _gp_disp absolute symbol in dynamic symbol tables. With older binutils, it is included for MIPS o32 (despite the use of symbol versioning), and this means that all the ABI test baselines for MIPS o32 include "_gp_disp _gp_disp A". This symbol is not meaningfully part of the ABI for shared libraries, since it always has to be resolved at static link time to the local definition for the linked object. All the other absolute symbols in ABI test baselines are the names of symbol versions. I don't think the mere existence of a symbol version with a given name - as opposed to the contents of that version if nonempty - is part of the ABI either. Thus, this patch allows the ABI tests to pass both before and after the binutils change by changing abilist.awk not to include absolute symbols in its output, and changing the baselines accordingly. Tested for x86_64, and with build-many-glibcs.py. * scripts/abilist.awk: Ignore absolute symbols. * sysdeps/mach/hurd/i386/ld.abilist: Remove absolute symbols. * sysdeps/mach/hurd/i386/libBrokenLocale.abilist: Likewise. * sysdeps/mach/hurd/i386/libanl.abilist: Likewise. * sysdeps/mach/hurd/i386/libc.abilist: Likewise. * sysdeps/mach/hurd/i386/libcrypt.abilist: Likewise. * sysdeps/mach/hurd/i386/libdl.abilist: Likewise. * sysdeps/mach/hurd/i386/libm.abilist: Likewise. * sysdeps/mach/hurd/i386/libnsl.abilist: Likewise. * sysdeps/mach/hurd/i386/libpthread.abilist: Likewise. * sysdeps/mach/hurd/i386/libresolv.abilist: Likewise. * sysdeps/mach/hurd/i386/librt.abilist: Likewise. * sysdeps/mach/hurd/i386/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libcidn.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_compat.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_db.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_dns.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_files.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_hesiod.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_nis.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libnss_nisplus.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libBrokenLocale-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libanl-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libcrypt-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libdl-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libnsl-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libresolv-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/librt-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libthread_db-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libutil-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libutil.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/libmvec.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libBrokenLocale.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libanl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libcrypt.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libdl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libnsl.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libresolv.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/librt.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libthread_db.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libutil.abilist: Likewise.
* copy_file_range: New function to copy file dataFlorian Weimer2017-12-221-0/+1
| | | | | The semantics are based on the Linux system call, but a very close emulation in user space is provided.
* Add _Float32 function aliases.Joseph Myers2017-12-071-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch concludes filling out TS 18661-3 support for different types by adding *f32 function aliases of float functions to support _Float32. As with _Float64 and _Float32x, this is supported for all glibc configurations. As with the previous such patches there are some x86 ulps updates because of inline functions present for float but not for _Float32. The patch also has the usual bits/floatn-common.h update, symbol versions, ABI baselines updates, test enablement and documentation. Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. * bits/floatn-common.h (__HAVE_FLOAT32): Define to 1. * manual/math.texi (Mathematics): Document support for _Float32. * math/Makefile (test-types): Add float32. * math/Versions (GLIBC_2.27): Add _Float32 functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* Add _Float64, _Float32x function aliases.Joseph Myers2017-12-061-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch continues filling out TS 18661-3 support by adding *f64 and *f32x function aliases, supporting _Float64 and _Float32x, as aliases for double functions. These types are supported for all glibc configurations. The API corresponds exactly to that for _Float128 and _Float64x. _Float32 aliases to float functions remain to be added in subsequent patches to complete this process (then there are a few miscellaneous functions in TS 18661-3 to implement that aren't simply versions of existing functions for new types). The patch enables the feature in bits/floatn-common.h, adds symbol versions and documentation with updates to ABI baselines, and arranges for the libm functions for the new types to be tested. As with the _Float64x changes there are some x86 ulps updates because of header inlines not used for the new types (and one other change to the non-multiarch libm-test-ulps, which I suppose comes from using a different compiler version / configuration from when it was last regenerated). Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. * bits/floatn-common.h (__HAVE_FLOAT64): Define to 1. (__HAVE_FLOAT32X): Likewise. * manual/math.texi (Mathematics): Document support for _Float64 and _Float32x. * math/Makefile (test-types): Add float64 and float32x. * math/Versions (GLIBC_2.27): Add _Float64 and _Float32x functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* Linux: Implement interfaces for memory protection keysFlorian Weimer2017-12-051-0/+5
| | | | | | | | | | | | | | | | This adds system call wrappers for pkey_alloc, pkey_free, pkey_mprotect, and x86-64 implementations of pkey_get and pkey_set, which abstract over the PKRU CPU register and hide the actual number of memory protection keys supported by the CPU. pkey_mprotect with a -1 key is implemented using mprotect, so it will work even if the kernel does not support the pkey_mprotect system call. The system call wrapers use unsigned int instead of unsigned long for parameters, so that no special treatment for x32 is needed. The flags argument is currently unused, and the access rights bit mask is limited to two bits by the current PKRU register layout anyway. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Implement the mlock2 functionFlorian Weimer2017-11-271-0/+1
| | | | | | Fallback using mlock is provided if the flags argument is zero. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add _Float64x function aliases.Joseph Myers2017-11-271-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch continues filling out TS 18661-3 support by adding *f64x function aliases on platforms with _Float64x support. (It so happens the set of such platforms is exactly the same as the set of platforms with _Float128 support, although on x86_64, x86 and ia32 the _Float64x format is Intel extended rather than binary128.) The API provided corresponds exactly to that provided for _Float128, mostly coming from TS 18661-3. As these functions always alias those for another type (long double, _Float128 or both), __* function names are not provided, as in other cases of alias types. Given the preparation done in previous patches, this one just enables the feature via Makeconfig and bits/floatn.h, adds symbol versions, and updates documentation and ABI baselines. The symbol versions are present unconditionally as GLIBC_2.27 in the relevant Versions files, as it's OK for those to specify versions for functions that may not be present in some configurations; no additional complexity is needed unless in future some configuration gains support for this type that didn't have such support in 2.27. The Makeconfig additions for ia64 and x86 aren't strictly needed, as those configurations also get float64x-alias-fcts definitions from sysdeps/ieee754/float128/Makeconfig, but still seem appropriate given that _Float64x is not _Float128 for those configurations. A libm-test-ulps update for x86 is included. This is because bits/mathinline.h does not have _Float64x support added and for two functions the use of out-of-line functions results in increased ulps (ifloat64x shares ulps with ildouble / ifloat128 as appropriate). Given that we'd like generally to eliminate bits/mathinline.h optimizations, preferring to have such optimizations in GCC instead, it seems reasonable not to add such support there for new types. GCC support for _FloatN / _FloatNx built-in functions is limited, but has been improved in GCC 8, and at some point I hope the full set of libm built-in functions in GCC, and other optimizations with per-floating-type aspects, will be enabled for all _FloatN / _FloatNx types. Tested for x86_64 and x86, and with build-many-glibcs.py, with both GCC 6 and GCC 7. * sysdeps/ia64/Makeconfig (float64x-alias-fcts): New variable. * sysdeps/ieee754/float128/Makeconfig (float64x-alias-fcts): Likewise. * sysdeps/ieee754/ldbl-128/Makeconfig (float64x-alias-fcts): Likewise. * sysdeps/x86/Makeconfig: New file. * bits/floatn-common.h (__HAVE_FLOAT64X): Remove macro. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * bits/floatn.h (__HAVE_FLOAT64X): New macro. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/ia64/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/ieee754/ldbl-128/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/mips/ieee754/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/powerpc/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * sysdeps/x86/bits/floatn.h (__HAVE_FLOAT64X): Likewise. (__HAVE_FLOAT64X_LONG_DOUBLE): Likewise. * manual/math.texi (Mathematics): Document support for _Float64x. * math/Versions (GLIBC_2.27): Add _Float64x functions. * stdlib/Versions (GLIBC_2.27): Likewise. * wcsmbs/Versions (GLIBC_2.27): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Likewise. * sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* Linux: Add memfd_create system call wrapperFlorian Weimer2017-11-231-0/+1
| | | | | | | | | | | | | | The system call is somewhat obscure because it is closely related to file descriptor sealing. However, it is also the recommended way to create alias mappings, which is why it has more general use. No emulation is provided. Except for the name of the /proc/self/fd links, it would be possible to implement an approximation using O_TMPFILE and tmpfs, but this does not appear to be worth the added complexity. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
* posix: Add compat glob symbol to not follow dangling symbolsAdhemerval Zanella2017-09-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch follows commit 5554304f0 (posix: Allow glob to match dangling symlinks [BZ #866]) by adding a compat symbol that follow previous semantic of not following dangling symlinks and thus avoiding call gl_lstat with GLOB_ALTDIRFUNC. It avoids failure with old binaries that not set the alternate function pointer for lstat (GNUmake for instance). The following scenario, for instance, fails with current GNUmake because glibc will access unitialized memory when calling gl_lstat: $ cat src/t/t.c int main () { return 0; } $ cat Makefile SRC = $(wildcard src/*/t.c) OBJ = $(patsubst src/%.c, obj/%.o, $(SRC)) prog: $(OBJ) $(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) $(OBJ) -o prog obj/%.o: src/%.c $(CC) $(CFLAGS) -c $< -o $@ $ make This works as expected with the patch applied. Since it is for generic ABI, default compat symbols are added with override for Linux due LFS. Now we have two compat symbols for glob on Linux: 1. sysdeps/unix/sysv/linux/oldglob.c which implements glob64 with the old dirent layout. For this implementation I also set it to not follow dangling symlinks (which is the safest path). 2. sysdeps/unix/sysv/linux/glob{64}-lstat-compat.c which implements the compat symbol for dangling symlinks. As for generic glob, the implementation uses XSTAT_IS_XSTAT64 to define whether both __glob_lstat_compat and __glob64_lstat_compat should be different implementations. For archictures that define XSTAT_IS_XSTAT64, __glob_lstat_compat is aliased to __glob64_lstat_compat. 3. sysdeps/unix/sysv/linux/alpha/oldglob.c with a different glob_t layout. As for 1. this patch changes it to not follow dangling symlinks. The patch also bumps _GNU_GLOB_INTERFACE_VERSION to 2 to advertise the new semantic. On GNUmake, for instance, it will force to it use its internal glob implementation instead and avoiding triggering the same failure on builds against newer GLIBCs. Checked on x86_64-linux-gnu and i686-linux-gnu. I also checked with a build against the major ABIs required to check for the abilist. The changes should also work on gnulib (I run gnulib-tool.py check glob and it shown no regressions). [BZ #22183] * include/gnu-versions.h (_GNU_GLOB_INTERFACE_VERSION): Increase version to 2. * posix/Makefile (routines): Add glob-lstat-compat and glob64-lstat-compat. * posix/Versions (GLIBC_2.27, glob, glob64): Add symbol version. * posix/glob-lstat-compat.c: New file. * posix/glob64-lstat-compat.c: Likewise. * posix/tst-glob_lstat_compat.c: Likewise. * sysdeps/unix/sysv/linux/glob-lstat-compat.c: Likewise. * sysdeps/unix/sysv/linux/alpha/glob-lstat-compat.c: Likewise. * sysdeps/unix/sysv/linux/glob64-lstat-compat.c: Likewise. * sysdeps/unix/sysv/linux/alpha/glob.c: Remove file. * posix/glob.c (glob_lstat): New function. (glob): Rename to __glob and add versioned symbol to 2.27. (glob_in_dir): Use glob_lstat. * posix/glob64.c (glob64): Add GLOB_ATTRIBUTE. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/glob.c (glob): Add versioned symbol for 2.27. * sysdeps/unix/sysv/linux/glob64.c (glob64): Likewise. * sysdeps/unix/sysv/linux/oldglob.c (GLOB_NO_LSTAT): Define. * sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob): Do not use gl_lstat on glob call. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add GLIBC_2.27 glob and glob64 symbols. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* powerpc64le: Enable float128Paul E. Murphy2017-06-261-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds ULPs for the float128 type, updates the abilist for libc and libm, and adds the files bits/floatn.h and float128-abi.h, in order to enable the new type for powerpc64le. This patch also adds the implementation of sqrtf128 for powerpc64le, since it is not implemented in libgcc. The sfp-machine.h header is taken from libgcc. Tested for powerpc64le (GCC 6.2 and GCC 7.1), powerpc64 and s390x. * manual/math.texi (Mathematics): Mention the enabling of float128 for powerpc64le. * sysdeps/powerpc/bits/floatn.h: New file. * sysdeps/powerpc/fpu/libm-test-ulps: Regenerated. * sysdeps/powerpc/fpu/math_private.h: (__ieee754_sqrtf128): New inline override. * sysdeps/powerpc/powerpc64le/Implies-before: New file. * sysdeps/powerpc/powerpc64le/Makefile: New file. * sysdeps/powerpc/powerpc64le/fpu/e_sqrtf128.c: New file. * sysdeps/powerpc/powerpc64le/fpu/sfp-machine.h: New file. * sysdeps/powerpc/powerpc64le/power9/fpu/e_sqrtf128.c: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Updated. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64le/float128-abi.h: New file.
* posix: Implement preadv2 and pwritev2Adhemerval Zanella2017-05-311-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support of preadv2 and pwritev2 which are similar to preadv/pwritev but with an extra flag argument. As for preadv/pwritev both interfaces are added a non-standard GNU API. For default 'posix' implementation trying to emulate the Linux supported flags is troublesome: * We can not temporary change the file state of the O_DSYNC and O_SYNC flags to emulate RWF_{D}SYNC (attempts to change the state of using fcntl are silently ignored). * IOCB_HIPRI requires the file opened in O_DIRECT and uses an internal semantic not provided by any other flag (O_NONBLOCK for instance). So default sysdeps/posix implementations fails with EOPNOTSUPP for any non supported flag (which are none currently) calls generic preadv/pwritev. Basically this implementation supports only preadv2 called as preadv (with flags sets to 0). The Linux one uses the preadv2/pwritev2 syscall if defined, otherwise it call preadv/writev. Instead of using the previous __ASSUME_* to unconditionally issue the syscall (and avoid building the fallback routine), it call pread/write if the preadv2/pwritev2 syscalls fails. The idea is just avoid adding another __ASSUME_* and checking each architecture on every kernel bump and simplify code conditionals. Checked on x86_64-linux-gnu and on i686-linux-gnu and a check with run-built-tests=no on aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf, ia64-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu, mips{64,64n32}-linux-gnu, nios2-linux-gnu, powerpc{64,64le}-linux-gnu, s390{x}-linux-gnu, sparc{64,v9}-linux-gnu, tile{gx,pro}-linux-gnu, and sh4-linux-gnu (all using gcc 6.3). * NEWS: Add note about pwritev2 and preadv2 inclusion. * misc/Makefile (routines): Add preadv2, preadv64v2, pwritev2, and pwritev64v2. (tests): Add tst-preadvwritev2 and tst-preadvwritev64v2. * misc/Versions (GLIBC_2.26): Add preadv2, preadv64v2, pwritev2, and pwritev64v2. * misc/preadv2.c: New file. * misc/preadv64v2.c: Likewise. * misc/pwritev2.c: Likewise. * misc/pwritev64v2.c: Likewise. * misc/tst-preadvwritev2.c: Likewise. * misc/tst-preadvwritev64v2.c: Likewise. * manual/llio.texi: Add preadv2 and pwritev2 documentation. * misc/sys/uio.h [__USE_GNU && !__USE_FILE_OFFSET64] (preadv2): New prototype. [__USE_GNU && !__USE_FILE_OFFSET64] (pwritev2): Likewise. [__USE_GNU && __USE_FILE_OFFSET64] (preadv64v2): Likewise. [__USE_GNU && __USE_FILE_OFFSET64] (pwritev64v2): Likewise. * misc/tst-preadvwritev-common.c (PREADV): Define if not defined. (PWRITEV): Likewise. (do_test_with_offset): Use PREADV and PWRITEV macros and check for ENOSYS. * nptl/tst-cancel4.c (tf_pwritev2): New test. (tf_preadv2): Likewise. (tf_fsync): Add tf_pwritev2 and tf_preadv2. * sysdeps/posix/preadv2.c: Likewise. * sysdeps/posix/preadv64v2.c: Likewise. * sysdeps/posix/pwritev2.c: Likewise. * sysdeps/posix/pwritev64v2.c: Likewise. * sysdeps/unix/sysv/linux/kernel-features.h: Add comment for syscall support in kernel. * sysdeps/unix/sysv/linux/preadv2.c: Likewise. * sysdeps/unix/sysv/linux/preadv64v2.c: Likewise. * sysdeps/unix/sysv/linux/pwritev2.c: Likewise. * sysdeps/unix/sysv/linux/pwritev64v2.c: Likewise. * sysdeps/unix/sysv/linux/preadv.c (preadv): Add libc_hidden_def. * sysdeps/unix/sysv/linux/preadv64.c (preadv64): Likewise. * sysdeps/unix/sysv/linux/pwritev.c (pwritev): Likewise. * sysdeps/unix/sysv/linux/pwritev64.c (pwritev64): Likewise. * sysdeps/unix/sysv/linux/bits/uio.h: Add supported preadv2/pwritev2 support flags on Linux. * sysdeps/unix/sysv/linux/aarch64/libc.abilist (GLIBC_2.26): Add preadv2, preadv64v2, pwritev2, pwritev64v2. * sysdeps/unix/sysv/linux/alpha/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/sysv/linux/tile/tilegx/tilegx32/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/sysv/linux/tile/tilegx/tilegx64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist (GLIBC_2.26): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist (GLIBC_2.26): Likewise.
* Add reallocarray functionDennis Wölfing2017-05-301-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reallocarray function is an extension from OpenBSD. It is an integer-overflow-safe replacement for realloc(p, X*Y) and malloc(X*Y) (realloc(NULL, X*Y)). It can therefore help in preventing certain security issues in code. This is an updated version of a patch originally submitted by Rüdiger Sonderfeld in May 2014 [1]. Checked on i686-linux-gnu and x86_64-linux-gnu. [1] <https://sourceware.org/ml/libc-alpha/2014-05/msg00481.html>. 2017-05-30 Dennis Wölfing <denniswoelfing@gmx.de> Rüdiger Sonderfeld <ruediger@c-plusplus.de> * include/stdlib.h (__libc_reallocarray): New declaration. * malloc/Makefile (routines): Add reallocarray. (tests): Add tst-reallocarray.c. * malloc/Versions: Add reallocarray and __libc_reallocarray. * malloc/malloc-internal.h (check_mul_overflow_size_t): New inline function. * malloc/malloc.h (reallocarray): New declaration. * stdlib/stdlib.h (reallocarray): Likewise. * malloc/reallocarray.c: New file. * malloc/tst-reallocarray.c: New test file. * manual/memory.texi: Document reallocarray. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add reallocarray. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* New string function explicit_bzero (from OpenBSD).Zack Weinberg2016-12-161-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | explicit_bzero(s, n) is the same as memset(s, 0, n), except that the compiler is not allowed to delete a call to explicit_bzero even if the memory pointed to by 's' is dead after the call. Right now, this effect is achieved externally by having explicit_bzero be a function whose semantics are unknown to the compiler, and internally, with a no-op asm statement that clobbers memory. This does mean that small explicit_bzero operations cannot be expanded inline as small memset operations can, but on the other hand, small memset operations do get deleted by the compiler. Hopefully full compiler support for explicit_bzero will happen relatively soon. There are two new tests: test-explicit_bzero.c verifies the visible semantics in the same way as the existing test-bzero.c, and tst-xbzero-opt.c verifies the not-being-optimized-out property. The latter is conceptually based on a test written by Matthew Dempsky for the OpenBSD regression suite. The crypt() implementation has an immediate use for this new feature. We avoid having to add a GLIBC_PRIVATE alias for explicit_bzero by running all of libcrypt's calls through the fortified variant, __explicit_bzero_chk, which is in the impl namespace anyway. Currently I'm not aware of anything in libc proper that needs this, but the glue is all in place if it does become necessary. The legacy DES implementation wasn't bothering to clear its buffers, so I added that, mostly for consistency's sake. * string/explicit_bzero.c: New routine. * string/test-explicit_bzero.c, string/tst-xbzero-opt.c: New tests. * string/Makefile (routines, strop-tests, tests): Add them. * string/test-memset.c: Add ifdeffage for testing explicit_bzero. * string/string.h [__USE_MISC]: Declare explicit_bzero. * debug/explicit_bzero_chk.c: New routine. * debug/Makefile (routines): Add it. * debug/tst-chk1.c: Test fortification of explicit_bzero. * string/bits/string3.h: Fortify explicit_bzero. * manual/string.texi: Document explicit_bzero. * NEWS: Mention addition of explicit_bzero. * crypt/crypt-entry.c (__crypt_r): Clear key-dependent intermediate data before returning, using explicit_bzero. * crypt/md5-crypt.c (__md5_crypt_r): Likewise. * crypt/sha256-crypt.c (__sha256_crypt_r): Likewise. * crypt/sha512-crypt.c (__sha512_crypt_r): Likewise. * include/string.h: Redirect internal uses of explicit_bzero to __explicit_bzero_chk[_internal]. * string/Versions [GLIBC_2.25]: Add explicit_bzero. * debug/Versions [GLIBC_2.25]: Add __explicit_bzero_chk. * sysdeps/arm/nacl/libc.abilist * sysdeps/unix/sysv/linux/aarch64/libc.abilist * sysdeps/unix/sysv/linux/alpha/libc.abilist * sysdeps/unix/sysv/linux/arm/libc.abilist * sysdeps/unix/sysv/linux/hppa/libc.abilist * sysdeps/unix/sysv/linux/i386/libc.abilist * sysdeps/unix/sysv/linux/ia64/libc.abilist * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist * sysdeps/unix/sysv/linux/microblaze/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist * sysdeps/unix/sysv/linux/nios2/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist * sysdeps/unix/sysv/linux/sh/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Add entries for explicit_bzero and __explicit_bzero_chk.
* Add getentropy, getrandom, <sys/random.h> [BZ #17252]Florian Weimer2016-12-121-0/+2
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* Add strfromd, strfromf, and strfroml functionsGabriel F. T. Gomes2016-10-251-0/+3
| | | | | | | ISO/IEC TS 18661-1 adds several functions in the strfrom family to stdlib. This patch adds strfromd, strfromf, and strfroml. This is being done in preparation for the new floating-point type, float128. The added functions convert a floating-point value into a string, with configurable format.
* Minimize sysdeps code involved in defining major/minor/makedev.Zack Weinberg2016-08-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Presently sys/sysmacros.h is entirely defined in sysdeps. This would mean that the deprecation logic coming up in the next patch would have to be written twice (in generic/ and unix/sysv/linux/). To avoid that, hoist all but the unavoidably system-dependent logic to misc/, leaving a bits/ header behind. This also promotes the Linux-specific encoding of dev_t, which accommodates 32-bit major and minor numbers in a 64-bit dev_t, to generic, as glibc's dev_t is always 64 bits wide. The former Linux implementation used inline functions to avoid evaluating arguments more than once. After this change, all platforms use inline functions, which means that three new symbols are added to the generic ABI. (These symbols are in the user namespace, which is how they have always been on Linux. They begin with "gnu_dev_", so collisions with user code are pretty unlikely.) New ports henceforth need only provide a bits/sysmacros.h defining internal macros __SYSMACROS_{DECLARE,DEFINE}_{MAJOR,MINOR,MAKEDEV}. This is only necessary if the kernel encoding is incompatible with the now-generic encoding (for instance, it would be necessary for FreeBSD). While I was at it, I added a basic round-trip test for these functions. * sysdeps/generic/sys/sysmacros.h: Delete file. * sysdeps/unix/sysv/linux/makedev.c: Delete file. * sysdeps/unix/sysv/linux/sys/sysmacros.h: Move file ... * bits/sysmacros.h: ... here; this encoding is now the generic encoding. Now defines only the following macros: __SYSMACROS_DECLARE_MAJOR, __SYSMACROS_DEFINE_MAJOR, __SYSMACROS_DECLARE_MINOR, __SYSMACROS_DEFINE_MINOR, __SYSMACROS_DECLARE_MAKEDEV, __SYSMACROS_DEFINE_MAKEDEV. * misc/sys/sysmacros.h, misc/makedev.c: New files that use bits/sysmacros.h and the above new macros to generate the public implementations of major, minor, and makedev. * misc/tst-makedev.c: New test. * include/sys/sysmacros.h: New wrapper. * misc/Makefile (headers): Add sys/sysmacros.h, bits/sysmacros.h. (routines): Add makedev. (tests): Add tst-makedev. * misc/Versions [GLIBC_2.25]: Add gnu_dev_major, gnu_dev_minor, gnu_dev_makedev. * posix/Makefile (headers): Remove sys/sysmacros.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove makedev. * sysdeps/arm/nacl/libc.abilist: Add GLIBC_2.25, gnu_dev_major, gnu_dev_makedev, gnu_dev_minor. * sysdeps/unix/sysv/linux/aarch64/libc.abilist * sysdeps/unix/sysv/linux/alpha/libc.abilist * sysdeps/unix/sysv/linux/arm/libc.abilist * sysdeps/unix/sysv/linux/hppa/libc.abilist * sysdeps/unix/sysv/linux/i386/libc.abilist * sysdeps/unix/sysv/linux/ia64/libc.abilist * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist * sysdeps/unix/sysv/linux/microblaze/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist * sysdeps/unix/sysv/linux/nios2/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist * sysdeps/unix/sysv/linux/sh/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Add GLIBC_2.25.
* Revert {send,sendm,recv,recvm}msg conformance changesAdhemerval Zanella2016-06-101-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After some discussion in libc-alpha about this POSIX compliance fix, I see that GLIBC should indeed revert back to previous definition of msghdr and cmsghdr and implementation of sendmsg, recvmsg, sendmmsg, recvmmsg due some reasons: * The possible issue where the syscalls wrapper add the compatibility layer is quite limited in scope and range. And kernel current also add some limits to the values on the internal msghdr and cmsghdr fields: - msghdr::msg_iovlen larger than UIO_MAXIOV (1024) returns EMSGSIZE. - msghdr::msg_controllen larger than INT_MAX returns ENOBUFS. * There is a small performance hit for recvmsg/sendmsg/recmmsg which is neglectable, but it is a big hit for sendmmsg since now instead of calling the syscall for the packed structure, GLIBC is calling multiple sendmsg. This defeat the very existence of the syscall. * It currently breaks libsanitizer build on GCC [1] (I fixed on compiler-rt). However the fix is incomplete because it does add any runtime check since libsanitizer currently does not have any facility to intercept symbols with multiple version [2]. This, along with incorret dlsym/dlvsym return for versioned symbol due another bug [3], makes hard to interpose versioned symbols. Also, current approach of fixing GCC PR#71445 leads to half-baked solutions without versioned symbol interposing. This patch basically reverts commits 2f0dc39029ae08, 222c2d7f4357d66, af7f7c7ec8dea1. I decided to not revert abf29edd4a3918 (Adjust kernel-features.h defaults for recvmsg and sendmsg) mainly because it does not really address the POSIX compliance original issue and also adds some cleanups. Tested on x86, i386, s390, s390x, aarch64, and powerpc64le. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71445 [2] https://github.com/google/sanitizers/issues/628 [3] https://sourceware.org/bugzilla/show_bug.cgi?id=14932 * conform/data/sys/socket.h-data (msghdr.msg_iovlen): Add xfail-. (msghdr.msg_controllen): Likewise. (cmsghdr.cmsg_len): Likewise. * nptl/Makefile (libpthread-routines): Remove ptw-oldrecvmsg and ptw-oldsendmsg. (CFLAGS-oldrecvmsg.c): Remove rule. (CFLAGS-oldsendmsg.c): Likewise. (CFLAGS-recvmsg.c): Add rule. (CFLAGS-sendmsg.c): Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove oldrecvmsg, oldsendmsg, oldrecvmmsg, oldsendmmsg. (CFLAGS-recvmsg.c): Remove rule. (CFLAGS-sendmsg.c): Likewise. (CFLAGS-oldrecvmsg.c): Likewise. (CFLAGS-oldsendmsg.c): Likewise. (CFLAGS-recvmmsg.c): Likewise. * sysdeps/unix/sysv/linux/bits/socket.h (msghdr.msg_iovlen): Revert to kernel defined interfaces. (msghdr.msg_controllen): Likewise. (cmsghdr.cmsg_len): Likewise. (msghdr.__glibc_reserved1): Remove member. (msghdr.__glibc_reserved2): Likewise. (cmsghdr.__glibc_reserved1): Likewise. * sysdeps/unix/sysv/linux/oldrecvmmsg.c: Remove file. * sysdeps/unix/sysv/linux/oldrecvmsg.c: Likewise. * sysdeps/unix/sysv/linux/oldsendmmsg.c: Likewise. * sysdeps/unix/sysv/linux/oldsendmsg.c: Likewise. * sysdeps/unix/sysv/linux/recvmmsg.c: Revert back to previous version. * sysdeps/unix/sysv/linux/recvmsg.c: Likewise. * sysdeps/unix/sysv/linux/sendmmsg.c: Likewise. * sysdeps/unix/sysv/linux/sendmsg.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/Versions [libc] (GLIBC_2.24): Remove recvmsg and sendmsg. * sysdeps/unix/sysv/linux/alpha/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/hppa/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/i386/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/m68k/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/microblaze/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/nios2/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sh/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/tile/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/x86_64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/Versions: Remove file * sysdeps/unix/sysv/linux/x86_64/64/Versions: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/Versions: Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Remove new 2.24 version for {recv,send,recm,sendm}msg. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* Bug 20198: quick_exit should not call destructors.Carlos O'Donell2016-06-061-0/+1
| | | | | | | | | | | | | | | | | | In C++11 18.5.12 says "Objects shall not be destroyed as a result of calling quick_exit." In C11 quick_exit is silent about thread object destruction. Therefore to make glibc C++ compliant we do not call any thread local destructors. A new regression test verifies the fix. I will note that C++11 18.5.3 makes it clear that C++ defines additional requirements for _Exit() to prevent it from executing destructors. Given that the point of _Exit() is to terminate the process immediately it makes sense the C and C++ should line up and avoid calling destructors. No failures. New regtest passes.
* network: recvmmsg and sendmmsg standard compliance (BZ#16919)Adhemerval Zanella2016-05-251-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | POSIX specifies that both msghdr::msg_iovlen and msghdr::msg_controllen to be of size int and socklen_t respectively, however Linux implements it as a size_t. So for 64-bits architecture where sizeof of size_t is larger than socklen_t, both sendmmsg and recvmmsg need to adjust the mmsghdr::msg_hdr internal fields before issuing the syscall itself. This patch fixes it by operating on the padding if it the case. For recvmmsg, the most straightfoward case, only zero padding the fields is suffice. However, for sendmmsg, where adjusting the buffer is out of the contract (since it may point to a read-only data), the function is rewritten to use sendmsg instead (which from previous patch allocates a temporary msghdr to operate on). Also for 64-bit ports that requires it, a new recvmmsg and sendmmsg compat version is created (which uses size_t for both cmsghdr::cmsg_len and internal Tested on x86_64, i686, aarch64, armhf, and powerpc64le. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = socket] (sysdep_routines): Add oldrecvmmsg and oldsendmmsg. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add recvmmsg and sendmmsg. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/oldrecvmmsg.c: New file. * sysdeps/unix/sysv/linux/oldsendmmsg.c: Likewise. * sysdeps/unix/sysv/linux/recvmmsg.c (__recvmmsg): Adjust msghdr iovlen and controllen fields to adjust to POSIX specification. * sysdeps/unix/sysv/linux/sendmmsg.c (__sendmmsg): Likewise.
* network: recvmsg and sendmsg standard compliance (BZ#16919)Adhemerval Zanella2016-05-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | POSIX specifies that both msghdr::msg_iovlen and msghdr::msg_controllen to be of size int and socklen_t respectively. However Linux defines it as both size_t and for 64-bit it requires some adjustments to make the functions standard compliance. This patch fixes it by creating a temporary header and zeroing the pad fields for 64-bits architecture where size of size_t exceeds the size of the int. Also the new recvmsg and sendmsg implementation is only added on libc, with libpthread only containing a compat symbol. Tested on x86_64, i686, aarch64, armhf, and powerpc64le. * conform/data/sys/socket.h-data (msghdr.msg_iovlen): Remove xfail- and change to correct expected type. (msghdr.msg_controllen): Likewise. (cmsghdr.cmsg_len): Likewise. * sysdeps/unix/sysv/linux/bits/socket.h (msghdr.msg_iovlen): Fix expected POSIX assumption about the size. (msghdr.msg_controllen): Likewise. (msghdr.__glibc_reserved1): Likewise. (msghdr.__glibc_reserved2): Likewise. (cmsghdr.cmsg_len): Likewise. (cmsghdr.__glibc_reserved1): Likewise. * nptl/Makefile (libpthread-routines): Remove ptw-recvmsg and ptw-sendmsg. Add ptw-oldrecvmsg and ptw-oldsendmsg. (CFLAGS-sendmsg.c): Remove rule. (CFLAGS-recvmsg.c): Likewise. (CFLAGS-oldsendmsg.c): Add rule. (CFLAGS-oldrecvmsg.c): Likewise. * sysdeps/unix/sysv/linux/alpha/Versions [libc] (GLIBC_2.24): Add recvmsg and sendmsg. * sysdeps/unix/sysv/linux/aarch64/Version [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/arm/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/hppa/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/i386/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/ia64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/m68k/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/microblaze/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/nios2/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sh/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/Versions [libc] (GLIBC_2.24): Likewise. ( sysdeps/unix/sysv/linux/tile/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/Versions [libc] (GLIBC_2.24): Likewise. ( sysdeps/unix/sysv/linux/x86_64/64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/x84_64/Versions [libc] (GLIBC_2.24): Likewise. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = socket)] (sysdep_headers): Add oldrecvmsg and oldsendmsg. (CFLAGS-sendmsg.c): Add rule. (CFLAGS-recvmsg.c): Likewise. (CFLAGS-oldsendmsg.c): Likewise. (CFLAGS-oldrecvmsg.c): Likewise. * sysdeps/unix/sysv/linux/check_native.c (__check_native): Fix msghdr initialization. * sysdeps/unix/sysv/linux/check_pf.c (make_request): Likewise. * sysdeps/unix/sysv/linux/ifaddrs.c (__netlink_request): Likewise. * sysdeps/unix/sysv/linux/oldrecvmsg.c: New file. * sysdeps/unix/sysv/linux/oldsendmsg.c: Likewise. * sysdeps/unix/sysv/linux/recvmsg.c (__libc_recvmsg): Adjust msghdr iovlen and controllen fields to adjust to POSIX specification. * sysdeps/unix/sysv/linux/sendmsg.c (__libc_sendmsg): Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: New version and added recvmsg and sendmsg. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdepe/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. Likewise. Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
* Simplify the abilist formatFlorian Weimer2015-11-061-2181/+2177
| | | | | | | | | | | | | | | The new format lists the version on each line, as in: VERSION SYMBOL TYPE [VALUE] This makes it easier to process the files with line-oriented tools. The abilist files were converted with this awk script: /^[^ ]/ { version = $1 } /^ / { print version, substr($0, 2) } And sorted under the "C" locale with sort.
* Add LFS support for fts functions (bug 11460)Mark Wielaard2015-11-061-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fts didn't have large-file support yet and fts.h had an #error preventing usage when _FILE_OFFSET_BITS was set. This required nasty workarounds for programs using fts with LFS. This patch implements LFS support for fts by adding FTS64 and FTENT64 variants plus fts64 functions. Which are simple aliases for 64bit off_t arches. Also includes a simple testcase for some of the fts functions with or without LFS enabled. [BZ #11460] * io/Makefile (routines): Add fts64. (tests): Add tst-fts and tst-fts-lfs. (CFLAGS-fts64.c): New. * io/Versions (GLIBC_2.23): New. * io/fts.c: Replace FTS with FTSOBJ, FTSENT with FTSENTRY. Use function defines FTS_OPEN, FTS_CLOSE, FTS_READ, FTS_SET and FTS_CHILDREN. Define FTSOBJ, FTSENTRY, FTS_OPEN, FTS_CLOSE, FTS_READ, FTS_SET, FTS_CHILDREN, INO_T, STAT and LSTAT if necessary. * io/fts.h (FTS64): New if _USE_LARGEFILE64. (FTSENT64): Likewise. (fts64_children): Likewise. (fts64_close): Likewise. (fts64_open): Likewise. (fts64_read): Likewise. (fts64_set): Likewise. * io/fts64.c: New file. * io/tst-fts.c: New test. * io/tst-fts-lfs.c: Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist (GLIBC_2.23): Add GLIBC_2.23, fts64_children, fts64_close, fts64_open, fts64_read and fts64_set. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/wordsize-64/fts.c: New file. * sysdeps/wordsize-64/fts64.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/fts.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/fts64.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/fts.c: likewise. * sysdeps/unix/sysv/linux/x86_64/x32/fts64.c: likewise.
* libio: Update powerpc64le libc.abilistAdhemerval Zanella2015-07-091-0/+3
| | | | | | | This patch adds the missing fmemopen entry for powerpc64le libc abilist check file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist
* powerpc: Consolidate nptl/ subdirectories under linux/....Roland McGrath2014-06-231-0/+2171