// SPDX-License-Identifier: GPL-2.0-only// Copyright (C) 2015-2019 ARM Limited.// Original author: Dave Martin <Dave.Martin@arm.com> #ifndef ASSEMBLER_H#define ASSEMBLER_H .macro __for from:req, to:req	.if (\from) == (\to)		_for__body %\from	.else		__for \from, %(\from) + ((\to) - (\from)) / 2		__for %(\from) + ((\to) - (\from)) / 2 + 1, \to	.endif.endm .macro _for var:req, from:req, to:req, insn:vararg	.macro _for__body \var:req		.noaltmacro		\insn		.altmacro	.endm 	.altmacro	__for \from, \to	.noaltmacro 	.purgem _for__body.endm .macro function name	.macro endfunction		.type \name, @function		.purgem endfunction	.endm\name:.endm .macro define_accessor name, num, insn	.macro \name\()_entry n		\insn \n, 1		ret	.endm function \name	adr	x2, .L__accessor_tbl\@	add	x2, x2, x0, lsl #3	br	x2 .L__accessor_tbl\@:	_for x, 0, (\num) - 1, \name\()_entry \xendfunction 	.purgem \name\()_entry.endm // Utility macro to print a literal string// Clobbers x0-x4,x8.macro puts string	.pushsection .rodata.str1.1, "aMS", @progbits, 1.L__puts_literal\@: .string "\string"	.popsection 	ldr	x0, =.L__puts_literal\@	bl	puts.endm #define PR_SET_SHADOW_STACK_STATUS      75# define PR_SHADOW_STACK_ENABLE         (1UL << 0) .macro enable_gcs	// Run with GCS	mov	x0, PR_SET_SHADOW_STACK_STATUS	mov	x1, PR_SHADOW_STACK_ENABLE	mov	x2, xzr	mov	x3, xzr	mov	x4, xzr	mov	x5, xzr	mov	x8, #__NR_prctl	svc	#0.endm #endif /* ! ASSEMBLER_H */