/*      $NetBSD: compat_sigsetjmp.S,v 1.2 2013/09/12 15:36:16 joerg Exp $       */
/*
 * Copyright (c) 1995 Paul Kranenburg
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Paul Kranenburg.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include "SYS.h"

#if __PIC__ - 0 >= 2

ENTRY(sigsetjmp)
        PIC_PROLOGUE(%g1,%o2)           ! %g1 = _GLOBAL_OFFSET_TABLE
        set     _C_LABEL(setjmp), %o2   ! if (%o1 != 0) goto _setjmp;
        set     _C_LABEL(_setjmp), %o3  ! else goto __setjmp;
        movrnz  %o1, %o2, %o3
        ldx [%g1+%o3], %g1
        jmp %g1
         st     %o1,[%o0+0x48]          ! jmpbuf[JBLEN]


ENTRY(siglongjmp)
        PIC_PROLOGUE(%g1,%o2)           ! %g1 = _GLOBAL_OFFSET_TABLE
        ld      [%o0 + 0x48],%o2        ! jmpbuf[JBLEN]
        set     _C_LABEL(longjmp), %o3  ! if (%o2 != 0) goto _longjmp;
        set     _C_LABEL(_longjmp), %o4 ! else goto __longjmp;
        movrnz  %o2, %o3, %o4 
        ldx     [%g1 + %o4], %g1
        jmp %g1
         nop
        unimp 0

#elif __PIC__ - 0 >= 1

ENTRY(sigsetjmp)
        PIC_PROLOGUE(%g1,%o2)           ! %g1 = _GLOBAL_OFFSET_TABLE
        cmp     %o1, 0
        bne,a   1f
         ldx    [%g1 + _C_LABEL(setjmp)], %g1   ! if (%o1 != 0) goto _setjmp;
        ldx     [%g1 + _C_LABEL(_setjmp)], %g1  ! else goto __setjmp;
1:      
        jmp %g1
         st     %o1,[%o0+0x48]          ! jmpbuf[JBLEN]


ENTRY(siglongjmp)
        PIC_PROLOGUE(%g1,%o2)           ! %g1 = _GLOBAL_OFFSET_TABLE
        cmp     %o2, 0
        ld      [%o0 + 0x48],%o2        ! jmpbuf[JBLEN]
        bne,a   1f
         ldx    [%g1 + _C_LABEL(longjmp)], %g1  ! if (%o2 != 0) goto _longjmp;
        ldx     [%g1 + _C_LABEL(_longjmp)], %g1 ! else goto __longjmp;
1:      
        jmp %g1
         nop
        unimp 0

#else /* !__PIC__ */

ENTRY(sigsetjmp)
        brz,pt  %o1,_C_LABEL(_setjmp)
         st     %o1,[%o0+0x48]          ! jmpbuf[JBLEN]
        ba,a,pt %icc,_C_LABEL(setjmp)
         nop                            ! spitfire bug
        unimp 0

ENTRY(siglongjmp)
        ld      [%o0 + 0x48], %g1
        brz,pt  %g1, _C_LABEL(_longjmp)
         nop
        ba,a,pt %icc, _C_LABEL(longjmp)
        unimp 0

#endif /* !__PIC__ */