/* Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Richard Henderson (rth@tamu.edu).

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

/* longjmp is implemented in terms of the setcontext trap on Linux/Sparc64.  */

#include <sysdep.h>

/* Offsets into the jmp_buf structure.  */

#define O_mask_was_saved	512

#define O_gregs			32

#define O_g1			(O_gregs + 4*8)

/* void longjmp (sigjmp_buf env, int val) */

ENTRY(__libc_siglongjmp)

	/* Modify the context with the value we want to return.  */

	movre	%o1, 1, %o1

	stx	%o1, [%o0 + O_g1]

	/* Let setcontext know if we want to modify the current sigmask. */

	ld	[%o0 + O_mask_was_saved], %o1

	/* And bamf back to where we belong!  */

	ta	0x6f

END(__libc_siglongjmp)

strong_alias(__libc_siglongjmp, __longjmp)

strong_alias(__libc_siglongjmp, __libc_longjmp)

weak_alias (__libc_siglongjmp, longjmp)

weak_alias (__libc_siglongjmp, _longjmp)

weak_alias (__libc_siglongjmp, siglongjmp)