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MIPS: uapi/asm/siginfo.h: Fix GCC 4.1.2 compilation

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It wasn't until GCC 4.3 I believe that the __SIZEOF_*__ predefined macros
were added.  The change below switches <uapi/asm/siginfo.h> to the
_MIPS_SZLONG macro so that compilation with e.g. GCC 4.1.2 succeeds.
This is a user API header so I think this is even more important, for
older userland support.  The change adds an unsuccessful default too, to
catch any compiler configuration oddities.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5630/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2013-07-28 21:20:25 +01:00 committed by Ralf Baechle
parent 7ad18dd03c
commit 1d3e2d79a7
1 changed files with 4 additions and 3 deletions
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7
arch/mips/include/uapi/asm/siginfo.h
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@ -25,11 +25,12 @@ struct siginfo;
/*
* Careful to keep union _sifields from shifting ...
*/
#if __SIZEOF_LONG__ == 4
#if _MIPS_SZLONG == 32
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#if __SIZEOF_LONG__ == 8
#elif _MIPS_SZLONG == 64
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#else
#error _MIPS_SZLONG neither 32 nor 64
#endif
#include <asm-generic/siginfo.h>