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arm64: Expose ESR_EL1 information to user when SIGSEGV/SIGBUS
authorCatalin Marinas <catalin.marinas@arm.com>
Mon, 16 Sep 2013 14:19:27 +0000 (15:19 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 9 May 2014 14:47:49 +0000 (15:47 +0100)
This information is useful for instruction emulators to detect
read/write and access size without having to decode the faulting
instruction. The current patch exports it via sigcontext (struct
esr_context) and is only valid for SIGSEGV and SIGBUS.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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