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/* setjmp for SH-5.
Copyright (C) 2001 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,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define _SETJMP_H
#define _ASM
#include <bits/setjmp.h>
#define INTEGER(reg,offset) st.q r2, offset*8, reg
#define DOUBLE(reg,offset) fst.d r2, offset*8, reg
.file "setjmp.S"
.section .text64,"xa"
.align 2
.global __sigsetjmp
.type __sigsetjmp,@function
__sigsetjmp:
/*
* extern int __sigsetjmp(jmp_buf env, int savemask);
*
* r2 == env
* r3 == savemask
* r4 == temporary
*/
/* callee-save registers R10-R16 */
INTEGER(r10, __SETJMP_INT(0))
INTEGER(r11, __SETJMP_INT(1))
INTEGER(r12, __SETJMP_INT(2))
INTEGER(r13, __SETJMP_INT(3))
INTEGER(r14, __SETJMP_INT(4))
INTEGER(r15, __SETJMP_INT(5))
INTEGER(r16, __SETJMP_INT(6))
/* callee-save registers R28-R35 */
INTEGER(r28, __SETJMP_INT(7))
INTEGER(r29, __SETJMP_INT(8))
INTEGER(r30, __SETJMP_INT(9))
INTEGER(r31, __SETJMP_INT(10))
INTEGER(r32, __SETJMP_INT(11))
INTEGER(r33, __SETJMP_INT(12))
INTEGER(r34, __SETJMP_INT(13))
INTEGER(r35, __SETJMP_INT(14))
/* callee-save registers R44-R59 */
INTEGER(r44, __SETJMP_INT(15))
INTEGER(r45, __SETJMP_INT(16))
INTEGER(r46, __SETJMP_INT(17))
INTEGER(r47, __SETJMP_INT(18))
INTEGER(r48, __SETJMP_INT(19))
INTEGER(r49, __SETJMP_INT(20))
INTEGER(r50, __SETJMP_INT(21))
INTEGER(r51, __SETJMP_INT(22))
INTEGER(r52, __SETJMP_INT(23))
INTEGER(r53, __SETJMP_INT(24))
INTEGER(r54, __SETJMP_INT(25))
INTEGER(r55, __SETJMP_INT(26))
INTEGER(r56, __SETJMP_INT(27))
INTEGER(r57, __SETJMP_INT(28))
INTEGER(r58, __SETJMP_INT(29))
INTEGER(r59, __SETJMP_INT(30))
#if __SETJMP_NUM_INT != 31
#error __SETJMP_NUM_INT does agree with expected value
#endif
#if __SETJMP_NUM_DBL > 0
/* callee-save registers FR12-FR15 */
DOUBLE(d12, __SETJMP_DBL(0))
DOUBLE(d14, __SETJMP_DBL(1))
/* callee-save registers FR36-FR63 */
DOUBLE(d36, __SETJMP_DBL(2))
DOUBLE(d38, __SETJMP_DBL(3))
DOUBLE(d40, __SETJMP_DBL(4))
DOUBLE(d42, __SETJMP_DBL(5))
DOUBLE(d44, __SETJMP_DBL(6))
DOUBLE(d46, __SETJMP_DBL(7))
DOUBLE(d48, __SETJMP_DBL(8))
DOUBLE(d50, __SETJMP_DBL(9))
DOUBLE(d52, __SETJMP_DBL(10))
DOUBLE(d54, __SETJMP_DBL(11))
DOUBLE(d56, __SETJMP_DBL(12))
DOUBLE(d58, __SETJMP_DBL(13))
DOUBLE(d60, __SETJMP_DBL(14))
DOUBLE(d62, __SETJMP_DBL(15))
#if __SETJMP_NUM_DBL != 16
#error __SETJMP_NUM_DBL does agree with expected value
#endif
#endif /* __SETJMP_NUM_DBL > 0 */
/* callee-save registers TR5-TR7 */
gettr tr5, r4
INTEGER(r4, __SETJMP_TRG(0))
gettr tr6, r4
INTEGER(r4, __SETJMP_TRG(1))
gettr tr7, r4
INTEGER(r4, __SETJMP_TRG(2))
#if __SETJMP_NUM_TRG != 3
#error __SETJMP_NUM_TRG does agree with expected value
#endif
/* save Linkage Register (LR) for longjmp return */
INTEGER(r18, __SETJMP_LR)
/*
* return a value of zero if call is __sigsetjmp().
* This is so that caller of setjmp() knows
* we have retruned via setjmp, and not via longjmp.
* R0 is the result register.
*/
ptabs/l r18, tr0 /* return to caller */
movi 0, r2 /* return value */
blink tr0, r63
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