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glibc

The GNU C library.

Other Activity This Week

S390: Add support for HP_TIMING_NOW.
Stefan Liebler: This patch adds support for HP_TIMING_NOW if we build at least with -march=z10 -mzarch.

Recent Activity

S390: Add support for HP_TIMING_NOW.
Stefan Liebler: This patch adds support for HP_TIMING_NOW if we build at least with -march=z10 -mzarch.

Add misc/tst-mntent-autofs, testing autofs "ignore" filtering
Florian Weimer

Use autofs "ignore" mount hint in getmntent_r/getmntent
Ian Kent: Historically autofs mounts were not included in mount table listings.

hurd: Fix SS_ONSTACK support
Samuel Thibault: - sysdeps/mach/hurd/i386/sigreturn.c (__sigreturn2): New function, unlocks SS and returns to the saved PC.

MIPS support for GNU hash
Mihailo Stojanovic: This patch is a reimplementation of [1], which was submitted back in 2015.

Fix posix/tst-regex by using a dedicated input-file
Stefan Liebler: The recent commit e6855a3bdfe147c52b29b5e7d70a95a8aa22ece0 changed the encoding of ChangeLog.old/ChangeLog.8 from ISO-8859 to UTF-8.

mips: Force RWX stack for hard-float builds that can run on pre-4.8 kernels
Dragan Mladjenovic: Linux/Mips kernels prior to 4.8 could potentially crash the user process when doing FPU emulation while running on non-executable user stack. Currently, gcc doesn't emit .note.GNU-stack for mips, but that will change in the future.

linux: Make profil_counter a compat_symbol (BZ#17726)
Adhemerval Zanella: As indicated by Joseph's comment on BZ#17726, this symbol is most likely a historical ABI accident.

nss: Make nsswitch.conf more distribution friendly
Carlos O'Donell: The current default nsswitch.conf file provided by glibc is not very distribution friendly.

Declare some TS 18661-4 interfaces for C2X.
Joseph Myers: C2X (current version in git, postdating the most recent public draft available as a PDF on the WG14 website) adds the interfaces from TS 18661-4, other than the reduction functions, as unconditionally required and visible in <math.h> for hosted implementations; the __STDC_WANT_IEC_60559_FUNCS_EXT__ macro is not included in C2X at all (as the reduction functions aren't included at all, expected to end up in a version of the TS updated to be relative to C2X). This patch updates the glibc headers accordingly, following the same pattern used for 18661-1 functions.

glibc Release Tags

[MIPS] Raise highest supported EI_ABIVERSION value [BZ #24916]
Mihailo Stojanovic: This bumps the highest valid EI_ABIVERSION value to ABSOLUTE ABI. New testcase loads the symbol from the GOT with the "lb" instruction so that the EI_ABIVERSION header field of the shared object is set to ABSOLUTE (it doesn't actually check the value of the symbol), and makes sure that the main executable is executed without "ABI version invalid" error. Tested for all three ABIs (o32, n32, n64) using both static linker which handles undefined weak symbols correctly [1] (and sets the EI_ABIVERSION of the test module) and the one that doesn't (EI_ABIVERSION left as 0). [1]

Open master for 2.31 development
Carlos O'Donell

Tag 2.30 release
Carlos O'Donell

Update install and NEWS for 2.30 release
Carlos O'Donell

Replace PREPARE_VERSION macro with inline function
Tobias Klauser: - sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION): Remove macro.

Add missing VDSO_{NAME,HASH}_* macros and use them for PREPARE_VERSION_KNOWN
Tobias Klauser: Define all currently used Linux versions used for PREPARE_VERSION{,_KNOWN} in sysdeps/unix/sysv/linux/dl-vdso.h and use them instead of duplicating the versions and precomputed hashes across architecture specific files. - sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (INIT_ARCH): Use PREPARE_VERSION_KNOWN. - sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise. - sysdeps/unix/sysv/linux/dl-vdso.h (VDSO_NAME_LINUX_2_6_39): New define.

Open master for 2.30 development
Siddhesh Poyarekar

Open master branch for glibc 2.29 development
Carlos O'Donell

Update for 2.25 release
Siddhesh Poyarekar

Update version.h and include/features.h for 2.22 release
Carlos O'Donell

Most Popular In The Past Month

MIPS support for GNU hash
Mihailo Stojanovic: This patch is a reimplementation of [1], which was submitted back in 2015.

mips: Force RWX stack for hard-float builds that can run on pre-4.8 kernels
Dragan Mladjenovic: Linux/Mips kernels prior to 4.8 could potentially crash the user process when doing FPU emulation while running on non-executable user stack. Currently, gcc doesn't emit .note.GNU-stack for mips, but that will change in the future.

hurd: Fix SS_ONSTACK support
Samuel Thibault: - sysdeps/mach/hurd/i386/sigreturn.c (__sigreturn2): New function, unlocks SS and returns to the saved PC.

S390: Add support for HP_TIMING_NOW.
Stefan Liebler: This patch adds support for HP_TIMING_NOW if we build at least with -march=z10 -mzarch.

Fix posix/tst-regex by using a dedicated input-file
Stefan Liebler: The recent commit e6855a3bdfe147c52b29b5e7d70a95a8aa22ece0 changed the encoding of ChangeLog.old/ChangeLog.8 from ISO-8859 to UTF-8.

Add misc/tst-mntent-autofs, testing autofs "ignore" filtering
Florian Weimer

[MIPS] Raise highest supported EI_ABIVERSION value [BZ #24916]
Mihailo Stojanovic: This bumps the highest valid EI_ABIVERSION value to ABSOLUTE ABI. New testcase loads the symbol from the GOT with the "lb" instruction so that the EI_ABIVERSION header field of the shared object is set to ABSOLUTE (it doesn't actually check the value of the symbol), and makes sure that the main executable is executed without "ABI version invalid" error. Tested for all three ABIs (o32, n32, n64) using both static linker which handles undefined weak symbols correctly [1] (and sets the EI_ABIVERSION of the test module) and the one that doesn't (EI_ABIVERSION left as 0). [1]

linux: Make profil_counter a compat_symbol (BZ#17726)
Adhemerval Zanella: As indicated by Joseph's comment on BZ#17726, this symbol is most likely a historical ABI accident.

Use autofs "ignore" mount hint in getmntent_r/getmntent
Ian Kent: Historically autofs mounts were not included in mount table listings.

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