| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: LGPL-2.1-only OR MIT */ |
| 2 | /* |
| 3 | * rseq-ppc-thread-pointer.h |
| 4 | * |
| 5 | * (C) Copyright 2021 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 6 | */ |
| 7 | |
| 8 | #ifndef _RSEQ_PPC_THREAD_POINTER |
| 9 | #define _RSEQ_PPC_THREAD_POINTER |
| 10 | |
| 11 | #ifdef __cplusplus |
| 12 | extern "C" { |
| 13 | #endif |
| 14 | |
| 15 | static inline void *rseq_thread_pointer(void) |
| 16 | { |
| 17 | #ifdef __powerpc64__ |
| 18 | register void *__result asm ("r13"); |
| 19 | #else |
| 20 | register void *__result asm ("r2"); |
| 21 | #endif |
| 22 | asm ("" : "=r" (__result)); |
| 23 | return __result; |
| 24 | } |
| 25 | |
| 26 | #ifdef __cplusplus |
| 27 | } |
| 28 | #endif |
| 29 | |
| 30 | #endif |