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rseq/selftests: Add support for OpenRISC

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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>
This commit is contained in:
Stafford Horne
2024-12-23 13:13:18 +00:00
parent ca46ebffc2
commit ea1413e5b5
6 changed files with 634 additions and 0 deletions
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13
tools/testing/selftests/rseq/rseq-or1k-thread-pointer.h Normal file
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@@ -0,0 +1,13 @@
/* SPDX-License-Identifier: LGPL-2.1-only OR MIT */
#ifndef _RSEQ_OR1K_THREAD_POINTER
#define _RSEQ_OR1K_THREAD_POINTER
static inline void *rseq_thread_pointer(void)
{
void *__thread_register;
__asm__ ("l.or %0, r10, r0" : "=r" (__thread_register));
return __thread_register;
}
#endif