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-rw-r--r--sysdeps/sh/sh4/setjmp.S72
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/setjmp.S b/sysdeps/sh/sh4/setjmp.S
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+/* setjmp for SH4.
+   Copyright (C) 1999, 2000 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.  */
+
+#include <sysdep.h>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+	/* Binary compatibility entry point.  */
+ENTRY (__setjmp)
+	mov	#0, r5
+ENTRY (__sigsetjmp)
+	/* Save registers */
+	add	#JB_SIZE, r4
+	fmov.s	fr15, @-r4
+	fmov.s	fr14, @-r4
+	fmov.s	fr13, @-r4
+	fmov.s	fr12, @-r4
+	sts.l	fpscr, @-r4
+	stc.l	gbr, @-r4
+	sts.l	pr, @-r4
+	mov.l	r15, @-r4
+	mov.l	r14, @-r4
+	mov.l	r13, @-r4
+	mov.l	r12, @-r4
+	mov.l	r11, @-r4
+	mov.l	r10, @-r4
+	mov.l	r9, @-r4
+	mov.l	r8, @-r4
+
+	/* Make a tail call to __sigjmp_save; it takes the same args.  */
+#ifdef SHARED
+	mov.l	1f, r1
+	mova	1f, r0
+	bra	2f
+	 add	r1, r0
+	.align	2
+1:
+	.long	_GLOBAL_OFFSET_TABLE_
+2:
+	mov.l	.L1, r1
+	mov.l	@(r0,r1), r1
+	jmp	@r1
+	 nop
+	.align	2
+.L1:
+	.long	C_SYMBOL_NAME(__sigjmp_save@GOT)
+#else
+	mov.l	.L1, r1
+	jmp	@r1
+	 nop
+	.align	2
+.L1:
+	.long	C_SYMBOL_NAME(__sigjmp_save)
+#endif
+END (__setjmp)