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path: root/ports/sysdeps/am33/setjmp.S
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Diffstat (limited to 'ports/sysdeps/am33/setjmp.S')
-rw-r--r--ports/sysdeps/am33/setjmp.S79
1 files changed, 79 insertions, 0 deletions
diff --git a/ports/sysdeps/am33/setjmp.S b/ports/sysdeps/am33/setjmp.S
new file mode 100644
index 0000000000..54b239d65c
--- /dev/null
+++ b/ports/sysdeps/am33/setjmp.S
@@ -0,0 +1,79 @@
+/* setjmp for am33.
+ Copyright (C) 2001, 2004 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+#include <asm-syntax.h>
+
+
+ENTRY (__sigsetjmp)
+.Lsigsetjmp:
+ /* Save registers. */
+ mov d0,a0
+ mov d2,(0,a0)
+ mov d3,(4,a0)
+ mov mdr,d0
+ mov d0,(8,a0)
+ /* Restore d0 for __sigjmp_save. */
+ mov a0,d0
+ mov a2,(12,a0)
+ mov a3,(16,a0)
+ mov sp,a1
+ mov a1,(20,a0)
+ add 24,a0
+ mov r4,(a0+)
+ mov r5,(a0+)
+ mov r6,(a0+)
+ mov r7,(a0+)
+#ifdef __AM33_2__
+ fmov fs4,(a0+)
+ fmov fs5,(a0+)
+ fmov fs6,(a0+)
+ fmov fs7,(a0+)
+ fmov fs8,(a0+)
+ fmov fs9,(a0+)
+ fmov fs10,(a0+)
+ fmov fs11,(a0+)
+ fmov fs12,(a0+)
+ fmov fs13,(a0+)
+ fmov fs14,(a0+)
+ fmov fs15,(a0+)
+ fmov fs16,(a0+)
+ fmov fs17,(a0+)
+ fmov fs18,(a0+)
+ fmov fs19,(a0+)
+#endif
+ /* Make a tail call to __sigjmp_save; it takes the same args. */
+ jmp __sigjmp_save
+END (__sigsetjmp)
+
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 1)'. */
+ENTRY (setjmp)
+ /* Tail-call setsetjmp with savesigs==1. */
+ mov 1,d1
+ bra .Lsigsetjmp
+END (setjmp)
+
+/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. */
+ENTRY (_setjmp)
+ /* Tail-call setsetjmp with savesigs==0. */
+ clr d1
+ bra .Lsigsetjmp
+END (_setjmp)