Squashed 'third_party/elfutils/' content from commit 555e15e

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/backends/sparc_attrs.c b/backends/sparc_attrs.c
new file mode 100644
index 0000000..974e8fb
--- /dev/null
+++ b/backends/sparc_attrs.c
@@ -0,0 +1,105 @@
+/* Object attribute tags for SPARC.
+   Copyright (C) 2015 Oracle, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils 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.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+#include <dwarf.h>
+
+#define BACKEND sparc_
+#include "libebl_CPU.h"
+
+bool
+sparc_check_object_attribute (Ebl *ebl __attribute__ ((unused)),
+			      const char *vendor, int tag, uint64_t value,
+			      const char **tag_name, const char **value_name)
+{
+  static const char *hwcaps[32] =
+    {
+      "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2",
+      "asi_blk_init", "fmaf", "vis3", "hpc", "random", "trans",
+      "fjfmau", "ima", "asi_cache_sparing", "aes", "des", "kasumi",
+      "camellia", "md5", "sha1", "sha256", "sha512", "mpmul", "mont",
+      "pause", "cbcond", "crc32c", "resv30", "resv31"
+    };
+
+  
+  static const char *hwcaps2[32] =
+    {
+      "fjathplus", "vis3b", "adp", "sparc5", "mwait", "xmpmul", "xmont",
+      "nsec", "resv8", "resv9" , "resv10", "resv11", "fjathhpc", "fjdes",
+      "fjaes", "resv15", "resv16", "resv17", "resv18", "resv19", "resv20",
+      "resv21", "resv22", "resv23", "resv24", "resv25", "resv26", "resv27",
+      "resv28", "resv29", "resv30", "resv31",
+    };
+
+  /* NAME should be big enough to hold any possible comma-separated
+     list (no repetitions allowed) of attribute names from one of the
+     arrays above.  */
+  static char name[32*17+32+1];
+  name[0] = '\0';
+
+  if (!strcmp (vendor, "gnu"))
+    switch (tag)
+      {
+      case 4:
+      case 8:
+        {
+          const char **caps;
+          int cap;
+          
+          if (tag == 4)
+            {
+              *tag_name = "GNU_Sparc_HWCAPS";
+              caps = hwcaps;
+            }
+          else
+            {
+              *tag_name = "GNU_Sparc_HWCAPS2";
+              caps = hwcaps2;
+            }
+          
+          char *s = name;
+          for (cap = 0; cap < 32; cap++)
+            if (value & (1U << cap))
+              {
+                if (*s != '\0')
+                  s = strcat (s, ",");
+                s = strcat (s, caps[cap]);
+              }
+          
+          *value_name = s;
+          return true;
+        }
+      }
+
+  return false;
+}
+