/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_STATIC_CALL_H
#define _ASM_STATIC_CALL_H

#define __ARCH_DEFINE_STATIC_CALL_TRAMP(name, target)               \
        asm("   .pushsection .static_call.text, \"ax\"          \n" \
            "   .align  4                                       \n" \
            "   .globl  " name "                                \n" \
            name ":                                             \n" \
            "   hint    34      /* BTI C */                     \n" \
            "   adrp    x16, 1f                                 \n" \
            "   ldr     x16, [x16, :lo12:1f]                    \n" \
            "   br      x16                                     \n" \
            "   .type   " name ", %function                     \n" \
            "   .size   " name ", . - " name "                  \n" \
            "   .popsection                                     \n" \
            "   .pushsection .rodata, \"a\"                     \n" \
            "   .align  3                                       \n" \
            "1: .quad   " target "                              \n" \
            "   .popsection                                     \n")

#define ARCH_DEFINE_STATIC_CALL_TRAMP(name, func)                       \
        __ARCH_DEFINE_STATIC_CALL_TRAMP(STATIC_CALL_TRAMP_STR(name), #func)

#define ARCH_DEFINE_STATIC_CALL_NULL_TRAMP(name)                        \
        ARCH_DEFINE_STATIC_CALL_TRAMP(name, __static_call_return0)

#define ARCH_DEFINE_STATIC_CALL_RET0_TRAMP(name)                        \
        ARCH_DEFINE_STATIC_CALL_TRAMP(name, __static_call_return0)

#endif /* _ASM_STATIC_CALL_H */