glibc/scripts, branch vdso

Use binutils 2.43 branch in build-many-glibcs.py

2024-08-06T17:00:50Z

This patch makes build-many-glibcs.py use binutils 2.43 branch. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).

Use Linux 6.10 in build-many-glibcs.py

2024-07-30T11:48:51Z

Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds). Reviewed-by: Florian Weimer

elf: Fix localplt.awk for DT_RELR-enabled builds (BZ 31978)

2024-07-19T20:50:26Z

For each input readelf output, localplt.awk parses each 'Relocation section' entry, checks its offset against the dynamic section entry, and saves each DT_JMPREL, DT_RELA, and DT_REL offset value it finds. After all lines are read, the script checks if any segment offset differed from 0, meaning at least one 'Relocation section' was matched. However, if the shared object was built with RELR support and the static linker could place all the relocation on DT_RELR, there would be no DT_JMPREL, DT_RELA, and DT_REL entries; only a DT_RELR. For the current three ABIs that support (aarch64, x86, and powerpc64), the powerpc64 ld.so shows the behavior above. Both x86_64 and aarch64 show extra relocations on '.rela.dyn', which makes the script check to succeed. This patch fixes by handling DT_RELR, where the offset is checked against the dynamic section entries and if the shared object contains an entry it means that there are no extra PLT entries (since all relocations are relative). It fixes the elf/check-localplt failure on powerpc. Checked with a build/check for aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabihf, s390x-linux-gnu, powerpc-linux-gnu, powerpc64-linux-gnu, and powerpc64le-linux-gnu. Reviewed-by: Carlos O'Donell

Adjust check-local-headers test for libaudit 4.0

2024-07-19T13:57:46Z

The new version introduces /usr/include/audit_logging.h and /usr/include/audit-records.h.

tunables: sort tunables list (BZ 30027)

2024-06-12T18:45:18Z

Sort tunables list at the time it's generated. Note: adding new tunables will cause other tunable IDs to change, but that was the case before anyway. POSIX does not guarantee the order of "foo in bar" AWK operators, so the order was indeterminate before anyway. Even depending on the order to be the same across multiple calls, such as in this script, is undefined, so sorting the list resolves that also. Note that sorting is not dependent on the user's locale.

Use Linux 6.9 in build-many-glibcs.py

2024-05-16T10:49:30Z

This patch makes build-many-glibcs.py use Linux 6.9. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).

elf: Make glibc.rtld.enable_secure ignore alias environment variables

2024-05-07T15:16:36Z

Tunable with environment variables aliases are also ignored if glibc.rtld.enable_secure is enabled. The tunable parsing is also optimized a bit, where the loop that checks each environment variable only checks for the tunables with aliases instead of all tables. Checked on aarch64-linux-gnu and x86_64-linux-gnu. Reviewed-by: Siddhesh Poyarekar

build-many-glibcs.py: Add openrisc hard float glibc variant

2024-05-03T17:28:18Z

This adds the OpenRISC hard float glibc variant to the build many script. We update the compiler for glibc to support hard-float multilibs to allow us to use a single generic compiler for all glibc variants, this requires updating the compiler name. Tested and all builds are passing. Reviewed-by: Adhemerval Zanella

Use --enable-obsolete in build-many-glibcs.py for nios2-linux-gnu

2024-04-19T17:03:56Z

Until GCC removes Nios II support (at which point we should do so as well), this is now needed for GCC 14 / mainline to build for nios2-linux-gnu target. Tested with build-many-glibcs.py (GCC mainline) for nios2-linux-gnu.

Use Linux 6.8 in build-many-glibcs.py

2024-03-13T13:30:30Z

This patch makes build-many-glibcs.py use Linux 6.8. Tested with build-many-glibcs.py (host-libraries, compilers and glibcs builds).