linux/tools/testing/selftests/rseq/rseq-thread-pointer.h

/* SPDX-License-Identifier: LGPL-2.1-only OR MIT */
/*
 * rseq-thread-pointer.h
 *
 * (C) Copyright 2021 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _RSEQ_THREAD_POINTER
#define _RSEQ_THREAD_POINTER

#if defined(__x86_64__) || defined(__i386__)
#include "rseq-x86-thread-pointer.h"
#elif defined(__PPC__)
#include "rseq-ppc-thread-pointer.h"
#elif defined(__or1k__)
#include "rseq-or1k-thread-pointer.h"
#else
#include "rseq-generic-thread-pointer.h"
#endif

#endif
selftests/rseq: Introduce thread pointer getters This is done in preparation for the selftest uplift to become compatible with glibc-2.35. glibc-2.35 exposes the rseq per-thread data in the TCB, accessible at an offset from the thread pointer. The toolchains do not implement accessing the thread pointer on all architectures. Provide thread pointer getters for ppc and x86 which lack (or lacked until recently) toolchain support. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20220124171253.22072-7-mathieu.desnoyers@efficios.com 2022-01-24 12:12:44 -05:00			`/* SPDX-License-Identifier: LGPL-2.1-only OR MIT */`
			`/*`
			`* rseq-thread-pointer.h`
			`*`
			`* (C) Copyright 2021 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>`
			`*/`

			`#ifndef _RSEQ_THREAD_POINTER`
			`#define _RSEQ_THREAD_POINTER`

			`#if defined(__x86_64__) \|\| defined(__i386__)`
			`#include "rseq-x86-thread-pointer.h"`
			`#elif defined(__PPC__)`
			`#include "rseq-ppc-thread-pointer.h"`
rseq/selftests: Add support for OpenRISC Add support for OpenRISC in the rseq selftests. OpenRISC is 32-bit only. Tested this with: Compiler: gcc version 14.2.0 (GCC) Binutils: GNU assembler version 2.43.1 (or1k-smh-linux-gnu) using BFD version (GNU Binutils) 2.43.1.20241207 Linux: Linux buildroot 6.13.0-rc2-00005-g1fa73dd6c2d3-dirty #213 SMP Sat Dec 28 22:18:39 GMT 2024 openrisc GNU/Linux Glibc: 2024-12-13 e4e49583d9 Stafford Horne or1k: Update libm-test-ulps Signed-off-by: Stafford Horne <shorne@gmail.com> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> 2024-12-23 13:13:18 +00:00			`#elif defined(__or1k__)`
			`#include "rseq-or1k-thread-pointer.h"`
selftests/rseq: Introduce thread pointer getters This is done in preparation for the selftest uplift to become compatible with glibc-2.35. glibc-2.35 exposes the rseq per-thread data in the TCB, accessible at an offset from the thread pointer. The toolchains do not implement accessing the thread pointer on all architectures. Provide thread pointer getters for ppc and x86 which lack (or lacked until recently) toolchain support. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20220124171253.22072-7-mathieu.desnoyers@efficios.com 2022-01-24 12:12:44 -05:00			`#else`
			`#include "rseq-generic-thread-pointer.h"`
			`#endif`

			`#endif`