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/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
*/
#include <sysdep.h>
#include <sys/syscall.h>
/*
* Provide a real sigreturn stub to avoid kernel synthesizing one
* on user stack at runtime, which needs PTE permissions update
* (hence TLB entry update) and costly cache line flushes for
* code modification
*/
ENTRY(__default_rt_sa_restorer)
mov r8, __NR_rt_sigreturn
ARC_TRAP_INSN
END(__default_rt_sa_restorer)
libc_hidden_def(__default_rt_sa_restorer)
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