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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_COMPILER_H
#define __ASM_COMPILER_H
#ifdef ARM64_ASM_ARCH
#define ARM64_ASM_PREAMBLE ".arch " ARM64_ASM_ARCH "\n"
#else
#define ARM64_ASM_PREAMBLE
#endif
#define xpaclri(ptr) \
({ \
register unsigned long __xpaclri_ptr asm("x30") = (ptr); \
\
asm( \
ARM64_ASM_PREAMBLE \
" hint #7\n" \
: "+r" (__xpaclri_ptr)); \
\
__xpaclri_ptr; \
})
#ifdef CONFIG_ARM64_PTR_AUTH_KERNEL
#define ptrauth_strip_kernel_insn_pac(ptr) xpaclri(ptr)
#else
#define ptrauth_strip_kernel_insn_pac(ptr) (ptr)
#endif
#ifdef CONFIG_ARM64_PTR_AUTH
#define ptrauth_strip_user_insn_pac(ptr) xpaclri(ptr)
#else
#define ptrauth_strip_user_insn_pac(ptr) (ptr)
#endif
#if !defined(CONFIG_BUILTIN_RETURN_ADDRESS_STRIPS_PAC)
#define __builtin_return_address(val) \
(void *)(ptrauth_strip_kernel_insn_pac((unsigned long)__builtin_return_address(val)))
#endif
#endif /* __ASM_COMPILER_H */