linux-kernel - Re: RFD: x32 ABI system call numbers

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Message-ID: <4E61B84A.9070007@zytor.com>
Date:	Fri, 02 Sep 2011 22:16:58 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Richard Kuo <rkuo@...eaurora.org>,
	Mark Salter <msalter@...hat.com>,
	Jonas Bonn <jonas@...thpole.se>,
	Tobias Klauser <tklauser@...tanz.ch>
Subject: Re: RFD: x32 ABI system call numbers

On 09/02/2011 09:44 PM, H.J. Lu wrote:
>>
>> What is the definition of these macros?
>>
> 
> I have
> 
> #if defined __x86_64__ && __WORDSIZE == 32
> #define __INO_T_TYPE		__UQUAD_TYPE
> #define __NLINK_T_TYPE		__UQUAD_TYPE
> #define __OFF_T_TYPE		__SQUAD_TYPE
> #define __RLIM_T_TYPE		__UQUAD_TYPE
> #define	__BLKCNT_T_TYPE		__SQUAD_TYPE
> #define	__FSFILCNT_T_TYPE	__UQUAD_TYPE
> #define	__FSBLKCNT_T_TYPE	__UQUAD_TYPE
> #define __TIME_T_TYPE		__SQUAD_TYPE
> #define __BLKSIZE_T_TYPE	__SQUAD_TYPE
> #define __SUSECONDS_T_TYPE	__SQUAD_TYPE
> #define __SNATIVE_LONG_TYPE	__SQUAD_TYPE
> #define __UNATIVE_LONG_TYPE	__UQUAD_TYPE
> #else
> #define __INO_T_TYPE		__ULONGWORD_TYPE
> #define __NLINK_T_TYPE		__UWORD_TYPE
> #define __OFF_T_TYPE		__SLONGWORD_TYPE
> #define __RLIM_T_TYPE		__ULONGWORD_TYPE
> #define	__BLKCNT_T_TYPE		__SLONGWORD_TYPE
> #define	__FSFILCNT_T_TYPE	__ULONGWORD_TYPE
> #define	__FSBLKCNT_T_TYPE	__ULONGWORD_TYPE
> #define __TIME_T_TYPE		__SLONGWORD_TYPE
> #define __BLKSIZE_T_TYPE	__SLONGWORD_TYPE
> #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
> #define __SNATIVE_LONG_TYPE	__SLONGWORD_TYPE
> #define __UNATIVE_LONG_TYPE	__ULONGWORD_TYPE
> #endif
> 

I don't understand the types on the right side...
	
	-hpa
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