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glibc

The GNU C library.

Yesterday's Activity

libmvec: Add extra-test-objs to test-extras
H.J. Lu: Add extra-test-objs to test-extras so that they are compiled with

Other Activity This Week

ld.so: Add --list-tunables to print tunable values
H.J. Lu: Pass --list-tunables to ld.

Recent Activity

libmvec: Add extra-test-objs to test-extras
H.J. Lu: Add extra-test-objs to test-extras so that they are compiled with

ld.so: Add --list-tunables to print tunable values
H.J. Lu: Pass --list-tunables to ld.

ldconfig/x86: Store ISA level in cache and aux cache
H.J. Lu: Store ISA level in the portion of the unused upper 32 bits of the hwcaps field in cache and the unused pad field in aux cache.

install: Replace scripts/output-format.sed with objdump -f [BZ #26559]
Fangrui Song: GNU ld and gold have supported --print-output-format since 2011.

math: Add BZ#18980 fix back on dbl-64 cosh
Adhemerval Zanella: It is regression from 9e97f239eae1f2b1 (Remove dbl-64/wordsize-64 (part 2)) where is missed to add the BZ#18980 fix (9e97f239eae1f2b1).

riscv: Initialize $gp before resolving the IRELATIVE relocation
Vincent Chen: The $gp register may be used to access the global variable in the PDE program, so the $gp register should be initialized before executing the IFUNC resolver of PDE program to avoid unexpected error occurs.

riscv: support GNU indirect function
Vincent Chen

Remove dbl-64/wordsize-64 (part 2)
Wilco Dijkstra: Remove the wordsize-64 implementations by merging them into the main dbl-64 directory.

Add SEGV_MTEAERR and SEGV_MTESERR from Linux 5.10.
Joseph Myers: Linux 5.10 adds constants SEGV_MTEAERR and SEGV_MTESERR to asm-generic/siginfo.h.

alpha: Provide wait4 for static library [BZ #27150]
Adhemerval Zanella: This ia regression from 09153638cfef91, versioned_symbol acts as weak_alias for !SHARED but it is undefined to avoid non versioned alias from the generic implementation.

glibc Release Tags

Open master branch for glibc 2.33 development
Carlos O'Donell: Happy hacking!

Generate ChangeLog.old/ChangeLog.20 for 2.31
Siddhesh Poyarekar: We're ready to tag!

Open master for 2.32 development
Siddhesh Poyarekar: happy hacking!

[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

Most Popular In The Past Month

x86 long double: Support pseudo numbers in isnanl
Siddhesh Poyarekar: This syncs up isnanl behaviour with gcc.

x86 long double: Support pseudo numbers in fpclassifyl
Siddhesh Poyarekar: Also move sysdeps/i386/fpu/s_fpclassifyl.

io: Remove xstat implementations
Adhemerval Zanella: With xstat wrapper functions removed (8ed005daf0), the stat functions are now properly exported, and version is done using symbols versioning instead of the extra _STAT_* argument.

io: Remove xmknod{at} implementations
Adhemerval Zanella: With xmknod wrapper functions removed (589260cef8), the mknod functions are now properly exported, and version is done using symbols versioning instead of the extra _MKNOD_* argument.

powerpc: Runtime selection between sc and scv for syscalls
Matheus Castanho: Linux kernel v5.9 added support for system calls using the scv instruction for POWER9 and later.

Sync move-if-change from Gnulib
Paul Eggert: This alters move-if-change so that its --version option outputs the correct copyright date automatically.

riscv: support GNU indirect function
Vincent Chen

ld.so: Add --list-tunables to print tunable values
H.J. Lu: Pass --list-tunables to ld.

riscv: Initialize $gp before resolving the IRELATIVE relocation
Vincent Chen: The $gp register may be used to access the global variable in the PDE program, so the $gp register should be initialized before executing the IFUNC resolver of PDE program to avoid unexpected error occurs.

Add SEGV_MTEAERR and SEGV_MTESERR from Linux 5.10.
Joseph Myers: Linux 5.10 adds constants SEGV_MTEAERR and SEGV_MTESERR to asm-generic/siginfo.h.

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