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/tilegx_regs.c b/backends/tilegx_regs.c
new file mode 100644
index 0000000..b1e1743
--- /dev/null
+++ b/backends/tilegx_regs.c
@@ -0,0 +1,129 @@
+/* Register names and numbers for TILE-Gx DWARF.
+ Copyright (C) 2012 Tilera Corporation
+ 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 <stdio.h>
+#include <string.h>
+#include <dwarf.h>
+
+#define BACKEND tilegx_
+#include "libebl_CPU.h"
+
+ssize_t
+tilegx_register_info (Ebl *ebl __attribute__ ((unused)),
+ int regno, char *name, size_t namelen,
+ const char **prefix, const char **setname,
+ int *bits, int *type)
+{
+ if (name == NULL)
+ return 65;
+
+ if (regno < 0 || regno > 64 || namelen < 5)
+ return -1;
+
+ *prefix = "";
+ *setname = "integer";
+ *bits = 64;
+
+ switch (regno)
+ {
+ case 0 ... 9:
+ *type = DW_ATE_signed;
+ name[0] = 'r';
+ name[1] = regno + '0';
+ namelen = 2;
+ break;
+
+ case 10 ... 52:
+ *type = DW_ATE_signed;
+ name[0] = 'r';
+ name[1] = regno / 10 + '0';
+ name[2] = regno % 10 + '0';
+ namelen = 3;
+ break;
+
+ case 53:
+ *type = DW_ATE_address;
+ return stpcpy (name, "tp") + 1 - name;
+
+ case 54:
+ *type = DW_ATE_address;
+ return stpcpy (name, "sp") + 1 - name;
+
+ case 55:
+ *type = DW_ATE_address;
+ return stpcpy (name, "lr") + 1 - name;
+
+ case 56:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "sn") + 1 - name;
+
+ case 57:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "idn0") + 1 - name;
+
+ case 58:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "idn1") + 1 - name;
+
+ case 59:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "udn0") + 1 - name;
+
+ case 60:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "udn1") + 1 - name;
+
+ case 61:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "udn2") + 1 - name;
+
+ case 62:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "udn3") + 1 - name;
+
+ case 63:
+ *type = DW_ATE_unsigned;
+ return stpcpy (name, "zero") + 1 - name;
+
+ case 64:
+ *type = DW_ATE_address;
+ return stpcpy (name, "pc") + 1 - name;
+
+ /* Can't happen. */
+ default:
+ *setname = NULL;
+ return 0;
+ }
+
+ name[namelen++] = '\0';
+ return namelen;
+}