[PATCH] RISC-V: Fix elfutils testsuite unwind failures.

[Andreas Schwab]

On Jan 13 2019, Jim Wilson <jimw@sifive.com> wrote:

> Unfortunately, the testcase isn't working as expected and I don't know why.
> The testcase passes even when my clone.S patch is not installed.

I don't see that here, with the current tools from openSUSE Factory.
There many be some (bad?) luck involved, since it's undefined territory.

> 	[BZ #24040] 
> 	* elf/Makefile (CFLAGS-tst-unwind-main.c): Add -DUSE_PTHREADS=0.
> 	* elf/tst-unwind-main.c: If USE_PTHEADS, include pthread.h and error.h
> 	(func): New.
> 	(main): If USE_PTHREADS, call pthread_create to run func.  Otherwise
> 	call func directly.
> 	* nptl/Makefile (tests): Add tst-unwind-thread.
> 	(CFLAGS-tst-unwind-thread.c): Define.
> 	* nptl/tst-unwind-thread.c: New file.
> 	* sysdeps/unix/sysv/linux/riscv/clone.S (__thread_start): Mark ra
> 	as undefined.

Ok.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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