[librseq.git] / include / rseq / rseq-ppc-thread-pointer.h

/* SPDX-License-Identifier: MIT */
/* SPDX-FileCopyrightText: 2021 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> */

/*
 * rseq-ppc-thread-pointer.h
 */

#ifndef _RSEQ_PPC_THREAD_POINTER
#define _RSEQ_PPC_THREAD_POINTER

#ifdef __cplusplus
extern "C" {
#endif

static inline void *rseq_thread_pointer(void)
{
#ifdef __powerpc64__
	register void *__result asm ("r13");
#else
	register void *__result asm ("r2");
#endif
	asm ("" : "=r" (__result));
	return __result;
}

#ifdef __cplusplus
}
#endif

#endif
Commit	Line	Data
90702366	1	/* SPDX-License-Identifier: MIT */
f2d7b530 MJ	2	/* SPDX-FileCopyrightText: 2021 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> */
f2d7b530 MJ	3
9698c399 MD	4	/*
9698c399 MD	5	* rseq-ppc-thread-pointer.h
9698c399 MD	6	*/
	7
	8	#ifndef _RSEQ_PPC_THREAD_POINTER
	9	#define _RSEQ_PPC_THREAD_POINTER
	10
5984936f MD	11	#ifdef __cplusplus
	12	extern "C" {
	13	#endif
	14
9698c399 MD	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
54a9ea09	22	asm ("" : "=r" (__result));
9698c399 MD	23	return __result;
	24	}
	25
5984936f MD	26	#ifdef __cplusplus
	27	}
	28	#endif
	29
9698c399	30	#endif