linux-kernel - Re: [PATCH 18/23] [AARCH64] ILP32: support stat syscall family

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Date:	Wed, 29 Jun 2016 08:57:19 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	Yury Norov <ynorov@...iumnetworks.com>
Cc:	<libc-alpha@...rceware.org>, <linux-kernel@...r.kernel.org>,
	<arnd@...db.de>, <catalin.marinas@....com>,
	<marcus.shawcroft@....com>, <philb@....org>, <davem@...emloft.net>,
	<szabolcs.nagy@....com>, <maxim.kuvyrkov@...aro.org>,
	<joseph@...esourcery.com>, <pinskia@...il.com>,
	<bamvor.zhangjian@...wei.com>, <fweimer@...hat.com>,
	<Prasun.Kapoor@...ium.com>, <cmetcalf@...lanox.com>,
	<hjl.tools@...il.com>, <adhemerval.zanella@...aro.org>,
	Yury Norov <yury.norov@...il.com>
Subject: Re: [PATCH 18/23] [AARCH64] ILP32: support stat syscall family

Yury Norov <ynorov@...iumnetworks.com> writes:

> +#ifdef __ILP32__
> +#include <endian.h>
> +struct __kernel_timespec
> +  {
> +    unsigned long long tv_sec;		/* Seconds.  */
> +    long long tv_nsec;			/* Nanoseconds.  */
> +  };
> +#define conv_timespec(u, k) do {	\
> +	(u)->tv_sec = (k)->tv_sec;	\
> +	(u)->tv_nsec = (k)->tv_nsec;	\
> +} while (0)
> +#if __BYTE_ORDER == __LITTLE_ENDIAN
> +#define __type3264(type, name)	\
> +	type (name); type name##_pad
> +#else
> +#define __type3264(type, name)	\
> +	type name##_pad; type name
> +#endif
> +
> +#else
> +#define __kernel_timespec timespec
> +#define conv_timespec(u, k)
> +#define __type3264(type, name) type name
> +#endif /* __ILP32__ */

Surely conv_timespec needs to be put in an internal header.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@...e.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
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