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glibc

The GNU C library.

Other Activity This Week

elf: Add elf/tst-dlopenfail-2 [BZ #25396]
Florian Weimer: Without CET, a jump into a newly loaded object through an overwritten link map often does not crash, it just executes some random code.

Recent Activity

elf: Add elf/tst-dlopenfail-2 [BZ #25396]
Florian Weimer: Without CET, a jump into a newly loaded object through an overwritten link map often does not crash, it just executes some random code.

Fix "elf: Add tst-ldconfig-ld_so_conf-update test" on 32bit
Stefan Liebler: This new test was introduced with recent commit 591236f1a33f11cc65ccf009d997071ba853e186.

Revise NEWS description of changes to gettimeofday etc
Zack Weinberg: Mostly English grammar and style improvements.

Multiple locales: Add date_fmt (bug 24054)
Rafał Lużyński: It is not specified what should be the content of d_t_fmt and date_fmt but in the built-in C locale those fields have only one difference: date_fmt contains "%Z" (the current time zone) while d_t_fmt does not. For most of the locales this commit does the following operation: copy d_t_fmt to date_fmt, and then remove "%Z" from d_t_fmt.

build-many-glibcs.py: Implement update-syscalls command
Florian Weimer: This command uses pre-built compilers to re-install the Linux headers from the current sources into a temporary location and runs glibc's “make update-syscalls-lists” against that.

Linux: Use system call tables during build
Florian Weimer: Use <arch-syscall.h> instead of <asm/unistd.h> to obtain the system call numbers.

Linux: Add tables with system call numbers
Florian Weimer: The new tables are currently only used for consistency checks with the installed kernel headers and the architecture-independent system call names table.

hurd: Add getcontext, makecontext, setcontext, swapcontext
Thomas Schwinge: Adapted from the Linux x86 functions.

hurd: Support sending file descriptors over Unix sockets
Emilio Pozuelo Monfort

Add exception-based flags for wait4
Adhemerval Zanella: It fixes the tst-cancelx4 and tst-cancelx5 on sparc{64,v9}.

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

Multiple locales: Add date_fmt (bug 24054)
Rafał Lużyński: It is not specified what should be the content of d_t_fmt and date_fmt but in the built-in C locale those fields have only one difference: date_fmt contains "%Z" (the current time zone) while d_t_fmt does not. For most of the locales this commit does the following operation: copy d_t_fmt to date_fmt, and then remove "%Z" from d_t_fmt.

Linux: Add tables with system call numbers
Florian Weimer: The new tables are currently only used for consistency checks with the installed kernel headers and the architecture-independent system call names table.

hurd: Add getcontext, makecontext, setcontext, swapcontext
Thomas Schwinge: Adapted from the Linux x86 functions.

Linux: Use system call tables during build
Florian Weimer: Use <arch-syscall.h> instead of <asm/unistd.h> to obtain the system call numbers.

hurd: Support sending file descriptors over Unix sockets
Emilio Pozuelo Monfort

build-many-glibcs.py: Implement update-syscalls command
Florian Weimer: This command uses pre-built compilers to re-install the Linux headers from the current sources into a temporary location and runs glibc's “make update-syscalls-lists” against that.

Revise NEWS description of changes to gettimeofday etc
Zack Weinberg: Mostly English grammar and style improvements.

elf: Add elf/tst-dlopenfail-2 [BZ #25396]
Florian Weimer: Without CET, a jump into a newly loaded object through an overwritten link map often does not crash, it just executes some random code.

Fix "elf: Add tst-ldconfig-ld_so_conf-update test" on 32bit
Stefan Liebler: This new test was introduced with recent commit 591236f1a33f11cc65ccf009d997071ba853e186.

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