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_regs.c b/backends/sparc_regs.c
new file mode 100644
index 0000000..2bddcf4
--- /dev/null
+++ b/backends/sparc_regs.c
@@ -0,0 +1,111 @@
+/* Register names and numbers for SPARC DWARF.
+ Copyright (C) 2005, 2006, 2015 Red Hat, 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"
+
+ssize_t
+sparc_register_info (Ebl *ebl,
+ int regno, char *name, size_t namelen,
+ const char **prefix, const char **setname,
+ int *bits, int *type)
+{
+ const int nfp = 32 + (ebl->class == ELFCLASS32 ? 0 : 16);
+ const int nspec = ebl->class == ELFCLASS32 ? 8 : 6;
+
+ if (name == NULL)
+ return 32 + nfp + nspec;
+
+ if (regno < 0 || regno >= 32 + nfp + nspec || namelen < 6)
+ return -1;
+
+ *bits = ebl->class == ELFCLASS32 ? 32 : 64;
+ *type = DW_ATE_signed;
+
+ *prefix = "%";
+
+ if (regno >= 32 + nfp)
+ {
+ regno -= 32 + nfp;
+ static const char names[2][8][6] =
+ {
+ { "y", "psr", "wim", "tbr", "pc", "npc", "fsr", "csr" }, /* v8 */
+ { "pc", "npc", "state", "fsr", "fprs", "y" } /* v9 */
+ };
+ *setname = "control";
+ *type = DW_ATE_unsigned;
+ if ((ebl->class == ELFCLASS64 ? 0 : 4) + 1 - (unsigned int) regno <= 1)
+ *type = DW_ATE_address;
+ return stpncpy (name, names[ebl->class == ELFCLASS64][regno],
+ namelen) + 1 - name;
+ }
+
+ if (regno < 32)
+ {
+ *setname = "integer";
+ name[0] = "goli"[regno >> 3];
+ name[1] = (regno & 7) + '0';
+ namelen = 2;
+ if ((regno & 8) && (regno & 7) == 6)
+ *type = DW_ATE_address;
+ }
+ else
+ {
+ *setname = "FPU";
+ *type = DW_ATE_float;
+
+ regno -= 32;
+ if (regno >= 32)
+ regno = 32 + 2 * (regno - 32);
+ else
+ *bits = 32;
+
+ name[0] = 'f';
+ if (regno < 10)
+ {
+ name[1] = regno + '0';
+ namelen = 2;
+ }
+ else
+ {
+ name[1] = regno / 10 + '0';
+ name[2] = regno % 10 + '0';
+ namelen = 3;
+ }
+ }
+
+ name[namelen++] = '\0';
+ return namelen;
+}