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-rw-r--r--src/tilegx/Gget_save_loc.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/tilegx/Gget_save_loc.c b/src/tilegx/Gget_save_loc.c
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+/* 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"
+
+PROTECTED int
+unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
+{
+ struct cursor *c = (struct cursor *) cursor;
+ dwarf_loc_t loc;
+
+ loc = DWARF_NULL_LOC; /* default to "not saved" */
+
+ if (reg <= UNW_TILEGX_R55)
+ loc = c->dwarf.loc[reg - UNW_TILEGX_R0];
+ else
+ printf("\nInvalid register!");
+
+ memset (sloc, 0, sizeof (*sloc));
+
+ if (DWARF_IS_NULL_LOC (loc))
+ {
+ sloc->type = UNW_SLT_NONE;
+ return 0;
+ }
+
+#if !defined(UNW_LOCAL_ONLY)
+ if (DWARF_IS_REG_LOC (loc))
+ {
+ sloc->type = UNW_SLT_REG;
+ sloc->u.regnum = DWARF_GET_LOC (loc);
+ }
+ else
+#endif
+ {
+ sloc->type = UNW_SLT_MEMORY;
+ sloc->u.addr = DWARF_GET_LOC (loc);
+ }
+ return 0;
+}