1 /* 2 * No-op functions that can be safely copied. 3 * 4 * SPDX-License-Identifier: GPL-2.0-or-later 5 */ 6 #ifndef NOP_FUNC_H 7 #define NOP_FUNC_H 8 9 static const char nop_func[] = { 10 #if defined(__aarch64__) 11 0xc0, 0x03, 0x5f, 0xd6, /* ret */ 12 #elif defined(__alpha__) 13 0x01, 0x80, 0xFA, 0x6B, /* ret */ 14 #elif defined(__arm__) 15 0x1e, 0xff, 0x2f, 0xe1, /* bx lr */ 16 #elif defined(__riscv) 17 0x67, 0x80, 0x00, 0x00, /* ret */ 18 #elif defined(__s390__) 19 0x07, 0xfe, /* br %r14 */ 20 #elif defined(__i386__) || defined(__x86_64__) 21 0xc3, /* ret */ 22 #endif 23 }; 24 25 #endif 26