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[binutils-gdb] [AArch64][libopcode] Add support for PAN architecture extension


*** TEST RESULTS FOR COMMIT f21cce2cacb534428ed6ea96fdb684ad8a4a948a ***

Author: Matthew Wahab <matthew.wahab@arm.com>
Branch: master
Commit: f21cce2cacb534428ed6ea96fdb684ad8a4a948a

[AArch64][libopcode] Add support for PAN architecture extension
The ARMv8.1 architecture introduced the Privileged Access Never extension. This
adds a processor state field PSTATE.PAN which can be accessed using the MRS/MSR
instructions.

This patch adds support for the PAN architecture feature and processor state
field to libopcode.

include/opcode
2015-06-01  Matthew Wahab  <matthew.wahab@arm.com>

	* aarch64.h (AARCH64_FEATURE_PAN): New.
	(aarch64_sys_reg_supported_p): Declare.
	(aarch64_pstatefield_supported_p): Declare.

opcodes/
2015-06-01  Matthew Wahab  <matthew.wahab@arm.com>
	* aarch64-opc.c (F_ARCHEXT): New.
	(aarch64_sys_regs): Add "pan".
	(aarch64_sys_reg_supported_p): New.
	(aarch64_pstatefields): Add "pan".
	(aarch64_pstatefield_supported_p): New.


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