1 files changed, 76 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/tilegx/Gregs.c b/src/third_party/unwind/dist/src/tilegx/Gregs.c
new file mode 100644
index 00000000000..565c6f4432a
--- /dev/null
+++ b/src/third_party/unwind/dist/src/tilegx/Gregs.c
@@ -0,0 +1,76 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2008 CodeSourcery
+   Copyright (C) 2014 Tilera Corp.
+
+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.  */
+
+#include "unwind_i.h"
+
+HIDDEN int
+tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp,
+                 int write)
+{
+  dwarf_loc_t loc = DWARF_NULL_LOC;
+  
+  if (reg == UNW_TILEGX_R54 && !write)
+    {
+      reg = UNW_TILEGX_CFA;
+    }
+  
+  if (reg <= UNW_TILEGX_R55)
+    loc = c->dwarf.loc[reg - UNW_TILEGX_R0];
+  else if (reg == UNW_TILEGX_CFA)
+    {
+      if (write)
+        return -UNW_EREADONLYREG;
+      *valp = c->dwarf.cfa;
+      return 0;
+    }
+  else
+    {
+      Debug (1, "bad register number %u\n", reg);
+      return -UNW_EBADREG;
+    }
+  
+  if (write)
+    {
+      if (ci->dwarf.use_prev_instr == 0) {
+	if (reg == UNW_TILEGX_PC)
+	  c->dwarf.ip = *valp;            /* update the IP cache */
+       }
+      else {
+	if (reg == UNW_TILEGX_R55)
+	  c->dwarf.ip = *valp;            /* update the IP cache */
+      }
+      return dwarf_put (&c->dwarf, loc, *valp);
+    }
+  else
+    return dwarf_get (&c->dwarf, loc, valp);
+}
+
+HIDDEN int
+tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp,
+                   int write)
+{
+  Debug (1, "bad register number %u\n", reg);
+  return -UNW_EBADREG;
+}