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Re: sizeof different in x86 and arm.

To: "Cliff Tsai" <clifftsai at minecard dot com dot tw>
Subject: Re: sizeof different in x86 and arm.
From: Richard Earnshaw <rearnsha at arm dot com>
Date: Thu, 24 May 2001 11:49:34 +0100
cc: "crossgcc" <crossgcc at sources dot redhat dot com>, Richard dot Earnshaw at arm dot com
Organization: ARM Ltd.
Reply-To: Richard dot Earnshaw at arm dot com

> Hi:
>     I have a simple struct as follow
>     
>     struct test_align
>      {
>      unsigned char Name[21];
>      unsigned char Version[8];
>      };
> 
>     But on cygwin for x86,the sizeof(struct test_align) is 29;
>     
>     but on cygwin for arm,the sizeof(struct test_align) return 32
>     
>     WHY.
> 

Because structures are always padded to a multiple of 4 bytes on the ARM.



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References:
- sizeof different in x86 and arm.
  - From: Cliff Tsai

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