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| author | John David Anglin <danglin@gcc.gnu.org> | 2024-12-22 09:51:54 -0500 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2024-12-22 09:51:54 -0500 |
| commit | 9bdb1487c5707a4f8151f60bf2c5969ad205701e (patch) | |
| tree | 95cd1e6b3f28dc89e70a55ddaa496bd452a820ae /sysdeps/unix/sysv/linux | |
| parent | 4b37fb71e0adf6cc6ea2202b5b77febc6d70274a (diff) | |
| download | glibc-9bdb1487c5707a4f8151f60bf2c5969ad205701e.zip glibc-9bdb1487c5707a4f8151f60bf2c5969ad205701e.tar.gz glibc-9bdb1487c5707a4f8151f60bf2c5969ad205701e.tar.bz2 | |
hppa: add cacheflush() syscall wrapper
The hppa Linux kernel supports the cacheflush() syscall
since version 6.5. This adds the glibc syscall wrapper.
Signed-off-by: Helge Deller <deller@gmx.de>
---
v2: This patch was too late in release cycle for GLIBC_2.40,
so update now to GLIBC_2.41 instead.
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/Makefile | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/Versions | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/sys/cachectl.h | 36 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/hppa/syscalls.list | 1 |
5 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/hppa/Makefile b/sysdeps/unix/sysv/linux/hppa/Makefile index 2e031e2..9eebe8e 100644 --- a/sysdeps/unix/sysv/linux/hppa/Makefile +++ b/sysdeps/unix/sysv/linux/hppa/Makefile @@ -15,6 +15,11 @@ test-xfail-check-wx-segment = * endif # $(subdir) == elf +ifeq ($(subdir),misc) +sysdep_routines += cacheflush +sysdep_headers += sys/cachectl.h +endif + ifeq ($(subdir),debug) test-xfail-tst-ssp-1 = $(have-ssp) endif # $(subdir) == debug diff --git a/sysdeps/unix/sysv/linux/hppa/Versions b/sysdeps/unix/sysv/linux/hppa/Versions index 78528e5..1f83840 100644 --- a/sysdeps/unix/sysv/linux/hppa/Versions +++ b/sysdeps/unix/sysv/linux/hppa/Versions @@ -23,4 +23,7 @@ libc { GLIBC_2.19 { fanotify_mark; } + GLIBC_2.41 { + cacheflush; + } } diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index 8de7644..9914753 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -2821,6 +2821,7 @@ GLIBC_2.4 sys_errlist D 0x400 GLIBC_2.4 sys_nerr D 0x4 GLIBC_2.4 unlinkat F GLIBC_2.4 unshare F +GLIBC_2.41 cacheflush F GLIBC_2.41 sched_getattr F GLIBC_2.41 sched_setattr F GLIBC_2.5 __readlinkat_chk F diff --git a/sysdeps/unix/sysv/linux/hppa/sys/cachectl.h b/sysdeps/unix/sysv/linux/hppa/sys/cachectl.h new file mode 100644 index 0000000..16e47d1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/sys/cachectl.h @@ -0,0 +1,36 @@ +/* HPPA cache flushing interface. + Copyright (C) 2018-2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SYS_CACHECTL_H +#define _SYS_CACHECTL_H 1 + +#include <features.h> + +/* Get the kernel definition for the op bits. */ +#include <asm/cachectl.h> + +__BEGIN_DECLS + +#ifdef __USE_MISC +extern int cacheflush (void *__addr, const int __nbytes, + const int __op) __THROW; +#endif + +__END_DECLS + +#endif /* sys/cachectl.h */ diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index 12e4ade..b302011 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -8,5 +8,6 @@ listen - listen i:ii __listen listen shutdown - shutdown i:ii __shutdown shutdown socket - socket i:iii __socket socket socketpair - socketpair i:iiif __socketpair socketpair +cacheflush - cacheflush i:pii _flush_cache cacheflush personality EXTRA personality Ei:i __personality personality |