/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_STATIC_CALL_H #define _ASM_STATIC_CALL_H #include <asm/text-patching.h> /* * For CONFIG_HAVE_STATIC_CALL, this is a permanent trampoline which * does a direct jump to the function. The direct jump gets patched by * static_call_update(). */ #define ARCH_DEFINE_STATIC_CALL_TRAMP(name, func) \ asm(".pushsection .text, \"ax\" \n" \ ".align 4 \n" \ ".globl " STATIC_CALL_TRAMP_STR(name) " \n" \ STATIC_CALL_TRAMP_STR(name) ": \n" \ " .byte 0xe9 # jmp.d32 \n" \ " .long " #func " - (. + 4) \n" \ ".type " STATIC_CALL_TRAMP_STR(name) ", @function \n" \ ".size " STATIC_CALL_TRAMP_STR(name) ", . - " STATIC_CALL_TRAMP_STR(name) " \n" \ ".popsection \n") #endif /* _ASM_STATIC_CALL_H */