This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH 4/6] Split powerpc out of main Linux kernel-features.h
- From: Andreas Schwab <schwab at suse dot de>
- To: "Joseph S. Myers" <joseph at codesourcery dot com>
- Cc: <libc-alpha at sourceware dot org>, Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- Date: Tue, 18 Aug 2015 10:18:45 +0200
- Subject: Re: [PATCH 4/6] Split powerpc out of main Linux kernel-features.h
- Authentication-results: sourceware.org; auth=none
- References: <Pine dot LNX dot 4 dot 64 dot 1406241554410 dot 4217 at digraph dot polyomino dot org dot uk> <Pine dot LNX dot 4 dot 64 dot 1406241600030 dot 4217 at digraph dot polyomino dot org dot uk>
"Joseph S. Myers" <joseph@codesourcery.com> writes:
> diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> new file mode 100644
> index 0000000..d8a98f1
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
> @@ -0,0 +1,42 @@
> +/* Set flags signalling availability of kernel features based on given
> + kernel version number. PowerPC version.
> + Copyright (C) 1999-2014 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
> + <http://www.gnu.org/licenses/>. */
> +
> +/* PowerPC uses socketcall. */
> +#define __ASSUME_SOCKETCALL 1
> +
> +/* The accept4 syscall was added for PowerPC in 2.6.37. */
> +#if __LINUX_KERNEL_VERSION >= 0x020625
> +# define __ASSUME_ACCEPT4_SYSCALL 1
> +#endif
> +
> +/* The recvmmsg syscall was added for PowerPC in 2.6.37. */
> +#if __LINUX_KERNEL_VERSION >= 0x020625
> +# define __ASSUME_RECVMMSG_SYSCALL 1
> +#endif
> +
> +/* The sendmmsg syscall was added for PowerPC in 3.0. */
> +#if __LINUX_KERNEL_VERSION >= 0x030000
> +# define __ASSUME_SENDMMSG_SYSCALL 1
> +#endif
> +#define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL 1
> +
> +#include_next <kernel-features.h>
> +
> +/* PowerPC64 IPC is always 64-bit and does not use __IPC_64. */
> +#undef __ASSUME_IPC64
This undefines it also for PowerPC.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."