summaryrefslogtreecommitdiffstats
path: root/src/backends/sparc_regs.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backends/sparc_regs.c')
-rw-r--r--src/backends/sparc_regs.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/backends/sparc_regs.c b/src/backends/sparc_regs.c
new file mode 100644
index 00000000..b3e9e201
--- /dev/null
+++ b/src/backends/sparc_regs.c
@@ -0,0 +1,108 @@
+/* Register names and numbers for SPARC DWARF.
+ Copyright (C) 2005, 2006 Red Hat, Inc.
+ This file is part of Red Hat elfutils.
+
+ Red Hat elfutils is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by the
+ Free Software Foundation; version 2 of the License.
+
+ Red Hat 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 a copy of the GNU General Public License along
+ with Red Hat elfutils; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+ Red Hat elfutils is an included package of the Open Invention Network.
+ An included package of the Open Invention Network is a package for which
+ Open Invention Network licensees cross-license their patents. No patent
+ license is granted, either expressly or impliedly, by designation as an
+ included package. Should you wish to participate in the Open Invention
+ Network licensing program, please visit www.openinventionnetwork.com
+ <http://www.openinventionnetwork.com>. */
+
+#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->machine == EM_SPARC ? 0 : 16);
+ const int nspec = ebl->machine == EM_SPARC ? 8 : 6;
+
+ if (name == NULL)
+ return 32 + nfp + nspec;
+
+ if (regno < 0 || regno >= 32 + nfp + nspec || namelen < 6)
+ return -1;
+
+ *bits = ebl->machine == EM_SPARC ? 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->machine != EM_SPARC ? 0 : 4) + 1 - (unsigned int) regno <= 1)
+ *type = DW_ATE_address;
+ return stpncpy (name, names[ebl->machine != EM_SPARC][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;
+}