1 files changed, 85 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arm/unwind-arm.h b/gcc-4.9/libgcc/config/arm/unwind-arm.h
new file mode 100644
index 000000000..782d1753d
--- /dev/null
+++ b/gcc-4.9/libgcc/config/arm/unwind-arm.h
@@ -0,0 +1,85 @@
+/* Header file for the ARM EABI unwinder
+   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   Contributed by Paul Brook
+
+   This file is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 3, or (at your option) any
+   later version.
+
+   This file 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
+   General Public License for more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Language-independent unwinder header public defines.  This contains both
+   ABI defined objects, and GNU support routines.  */
+
+#ifndef UNWIND_ARM_H
+#define UNWIND_ARM_H
+
+#include "unwind-arm-common.h"
+
+#define UNWIND_STACK_REG 13
+/* Use IP as a scratch register within the personality routine.  */
+#define UNWIND_POINTER_REG 12
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  /* Decode an R_ARM_TARGET2 relocation.  */
+  static inline _Unwind_Word
+  _Unwind_decode_typeinfo_ptr (_Unwind_Word base __attribute__ ((unused)),
+                               _Unwind_Word ptr)
+    {
+      _Unwind_Word tmp;
+
+      tmp = *(_Unwind_Word *) ptr;
+      /* Zero values are always NULL.  */
+      if (!tmp)
+	return 0;
+
+#if (defined(linux) && !defined(__uClinux__)) || defined(__NetBSD__)
+      /* Pc-relative indirect.  */
+#define _GLIBCXX_OVERRIDE_TTYPE_ENCODING (DW_EH_PE_pcrel | DW_EH_PE_indirect)
+      tmp += ptr;
+      tmp = *(_Unwind_Word *) tmp;
+#elif defined(__symbian__) || defined(__uClinux__)
+#define _GLIBCXX_OVERRIDE_TTYPE_ENCODING (DW_EH_PE_absptr)
+      /* Absolute pointer.  Nothing more to do.  */
+#else
+#define _GLIBCXX_OVERRIDE_TTYPE_ENCODING (DW_EH_PE_pcrel)
+      /* Pc-relative pointer.  */
+      tmp += ptr;
+#endif
+      return tmp;
+    }
+
+  static inline _Unwind_Reason_Code
+  __gnu_unwind_24bit (_Unwind_Context * context __attribute__ ((unused)),
+                      _uw data __attribute__ ((unused)),
+                      int compact __attribute__ ((unused)))
+    {
+      return _URC_FAILURE;
+    }
+  /* Return the address of the instruction, not the actual IP value.  */
+#define _Unwind_GetIP(context) \
+  (_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1)
+
+#define _Unwind_SetIP(context, val) \
+  _Unwind_SetGR (context, 15, val | (_Unwind_GetGR (context, 15) & 1))
+
+#ifdef __cplusplus
+}   /* extern "C" */
+#endif
+
+#endif /* defined UNWIND_ARM_H */