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glibc

The GNU C library.

Yesterday's Activity

elf: Make tst-ro-dynamic-mod.map compatible with older binutils
Florian Weimer: Older versions such as binutils 2.35.2 do not recognize PT_GNU_PROPERTY.

NEWS: Add the extensible rseq ABI to new features
Michael Jeanson

Other Activity This Week

pthreads NPTL: lost wakeup fix 2
Frank Barrus: This fixes the lost wakeup (from a bug in signal stealing) with a change in the usage of g_signals[] in the condition variable internal state.

Recent Activity

elf: Make tst-ro-dynamic-mod.map compatible with older binutils
Florian Weimer: Older versions such as binutils 2.35.2 do not recognize PT_GNU_PROPERTY.

NEWS: Add the extensible rseq ABI to new features
Michael Jeanson

pthreads NPTL: lost wakeup fix 2
Frank Barrus: This fixes the lost wakeup (from a bug in signal stealing) with a change in the usage of g_signals[] in the condition variable internal state.

Add Linux 'extra TLS'
Michael Jeanson: Add the Linux implementation of 'extra TLS' which will allocate space for the rseq area at the end of the TLS blocks in allocation order.

Add generic 'extra TLS'
Michael Jeanson: Add the logic to append an 'extra TLS' block in the TLS block allocator with a generic stub implementation.

nptl: Add rseq auxvals
Michael Jeanson: Get the rseq feature size and alignment requirement from the auxiliary vector for use inside the dynamic loader.

nptl: Add for C-SKY
Michael Jeanson: This will be required by the rseq extensible ABI implementation on all Linux architectures exposing the '__rseq_size' and '__rseq_offset' symbols to set the initial value of the 'cpu_id' field which can be used by applications to test if rseq is available and registered.

nptl: Add for microblaze
Michael Jeanson: This will be required by the rseq extensible ABI implementation on all Linux architectures exposing the '__rseq_size' and '__rseq_offset' symbols to set the initial value of the 'cpu_id' field which can be used by applications to test if rseq is available and registered.

LoongArch: Regenerate preconfigure. [bug 32521]
mengqinggang: Add "mtls_descriptor=desc" to preconfigure.ac and regenerate preconfigure.

AArch64: Add vector tanpi routines
Joe Ramsay: Vector variant of the new C23 tanpi.

glibc Release Tags

Increase version number to 2.40.9000
Andreas K. Hüttel

Add ChangeLog file
Andreas K. Hüttel

Open master branch for glibc 2.39 development
Andreas K. Hüttel

NEWS: Fix typos
Andreas K. Hüttel

Open master branch for glibc 2.38 development
Carlos O'Donell

Create ChangeLog.old/ChangeLog.26.
Carlos O'Donell

Remove left over LD_LIBRARY_VERSION usages
Adhemerval Zanella: The environment variable was removed by d2db60d8d830ef68c8d20a77ac3572d610aa40b1.

linux: Add process_mrelease
Adhemerval Zanella: Added in Linux 5.15 (884a7e5964e06ed93c7771c0d7cf19c09a8946f1), the new syscalls allows a caller to free the memory of a dying target process. Checked on x86_64-linux-gnu.

Remove kernel version check
Adhemerval Zanella: The kernel version check is used to avoid glibc to run on older kernels where some syscall are not available and fallback code are not enabled to handle graciously fail.

Open master branch for glibc 2.36 development
Carlos O'Donell

Most Popular In The Past Month

elf: Make tst-ro-dynamic-mod.map compatible with older binutils
Florian Weimer: Older versions such as binutils 2.35.2 do not recognize PT_GNU_PROPERTY.

new inputs with large errors for [a]cospi, [a]sinpi, [a]tanpi, atan2pi
Paul Zimmermann: These inputs were generated with the programs from

Add test-config-cflags-float-store for -ffloat-store
H.J. Lu: Clang doesn't support -ffloat-store:

math: Add a reference to Clang's C23 issue
H.J. Lu: Clang's <tgmath.h> doesn't support all C23 functions in glibc's <tgmath.h>:

build-many-glibcs.py: Add --exclude option
H.J. Lu: m68k-linux-gnu-coldfire-soft GCC and glibc often won't build due to

Add generic 'extra TLS'
Michael Jeanson: Add the logic to append an 'extra TLS' block in the TLS block allocator with a generic stub implementation.

elf: Enable tst-dlopen-nodelete-reloc if TEST_CXX supports STB_GNU_UNIQUE
H.J. Lu: tst-dlopen-nodelete-reloc requires STB_GNU_UNIQUE support so that NODELETE is propagated by do_lookup_unique.

Add Linux 'extra TLS'
Michael Jeanson: Add the Linux implementation of 'extra TLS' which will allocate space for the rseq area at the end of the TLS blocks in allocation order.

elf: Introduce generic
Florian Weimer: On arc, the definition of TLS_DTV_UNALLOCATED now comes from <dl-dtv.h>.

nptl: Add rseq auxvals
Michael Jeanson: Get the rseq feature size and alignment requirement from the auxiliary vector for use inside the dynamic loader.

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