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/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
see <http://www.gnu.org/licenses/>. */
#include <jmpbuf-offsets.h>
#include "NM_Macros.S"
;----------------------------------------
; Name: __sigsetjmp
; Description: Save the current context so
; a nr_longjmp works later.
; Input: %o0: jmp_buf: (ptr to) array to store context in
; Output: %o0 = 0 the first time we're called, or
; whatever longjmp returns later
; Side Effects: Uses %g0
; CWP Depth: 0
;
.align 2
.global _setjmp
_setjmp:
br __sigsetjmp
movi %o1,0 ; (Delay slot) Set signal mask to zero
.align 2
.global setjmp
setjmp:
MOVIP %o1,1 ; Set signal mask to 1 to save mask
.align 2
.global __sigsetjmp
__sigsetjmp:
pfx jmpbuf_callersret ; present return address
st [%o0],%i7
pfx jmpbuf_jmpret ; where the longjmp will later execute from
st [%o0],%o7
pfx jmpbuf_sp ; Save stack pointer
st [%o0],%o6
pfx jmpbuf_l0 ; Save local register l0
st [%o0],%l0
pfx jmpbuf_l1 ; Save local register l1
st [%o0],%l1
pfx jmpbuf_l2 ; Save local register l2
st [%o0],%l2
pfx jmpbuf_l3 ; Save local register l3
st [%o0],%l3
pfx jmpbuf_l4 ; Save local register l4
st [%o0],%l4
pfx jmpbuf_l5 ; Save local register l5
st [%o0],%l5
pfx jmpbuf_l6 ; Save local register l6
st [%o0],%l6
pfx jmpbuf_l7 ; Save local register l7
st [%o0],%l7
pfx jmpbuf_i0 ; Save input register i0
st [%o0],%i0
pfx jmpbuf_i1 ; Save input register i1
st [%o0],%i1
pfx jmpbuf_i2 ; Save input register i2
st [%o0],%i2
pfx jmpbuf_i3 ; Save input register i3
st [%o0],%i3
pfx jmpbuf_i4 ; Save input register i4
st [%o0],%i4
pfx jmpbuf_i5 ; Save input register i5
st [%o0],%i5
pfx %hi(__sigjmp_save@h) ; Load up %g0 with address
movi %g0,%lo(__sigjmp_save@h)
pfx %xhi(__sigjmp_save@h)
movhi %g0,%xlo(__sigjmp_save@h)
jmp %g0
nop ; (delay slot)
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