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signal: Remove the need for __ARCH_SI_PREABLE_SIZE and SI_PAD_SIZE

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Rework the defintion of struct siginfo so that the array padding
struct siginfo to SI_MAX_SIZE can be placed in a union along side of
the rest of the struct siginfo members.  The result is that we no
longer need the __ARCH_SI_PREAMBLE_SIZE or SI_PAD_SIZE definitions.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2018-04-18 17:48:49 -05:00
parent e75dc036c4
commit f283801851
17 changed files with 94 additions and 202 deletions
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11
arch/mips/include/uapi/asm/siginfo.h
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@@ -14,17 +14,6 @@
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
/*
* Careful to keep union _sifields from shifting ...
*/
#if _MIPS_SZLONG == 32
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#elif _MIPS_SZLONG == 64
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#else
#error _MIPS_SZLONG neither 32 nor 64
#endif
#define __ARCH_HAS_SWAPPED_SIGINFO
#include <asm-generic/siginfo.h>