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+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
+
+/* SH4 glibc jump buffer contents:
+ * 0. r8
+ * 1. r9
+ * 2. r10
+ * 3. r11
+ * 4. r12
+ * 5. r13
+ * 6. r14
+ * 7. r15
+ * 8. pr/pc
+ * 9. gbr
+ * 10. fpscr
+ * 11. fr12
+ * 12. fr13
+ * 13. fr14
+ * 14. fr15
+ */
+
+#define JB_SP 7
+#define JB_RP 8
+#define JB_MASK_SAVED 15
+#define JB_MASK 16