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Diffstat (limited to 'sysdeps/sh/sh4/setjmp.S')
-rw-r--r--sysdeps/sh/sh4/setjmp.S72
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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)