| 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(__s390x__) |
| 19 | 0x07, 0xfe, /* br %r14 */ |
| 20 | #elif defined(__i386__) || defined(__x86_64__) |
| 21 | 0xc3, /* ret */ |
| 22 | #endif |
| 23 | }; |
| 24 | |
| 25 | #endif |