Upgrade to elfutils 0.161.

Change-Id: Iee07e1329d9750f092afc6c2fbd6af8db32862b0

1 files changed, 203 insertions, 0 deletions

diff --git a/src/tests/allregs.c b/src/tests/allregs.c
new file mode 100644
index 00000000..b103ce18
--- /dev/null
+++ b/src/tests/allregs.c
@@ -0,0 +1,203 @@
+/* Copyright (C) 2005, 2006 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 the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <error.h>
+#include <locale.h>
+#include <argp.h>
+#include <assert.h>
+#include ELFUTILS_HEADER(dwfl)
+#include <dwarf.h>
+
+#include "../libdw/known-dwarf.h"
+
+static const char *
+dwarf_encoding_string (unsigned int code)
+{
+  static const char *const known[] =
+    {
+#define ONE_KNOWN_DW_ATE(NAME, CODE) [CODE] = #NAME,
+      ALL_KNOWN_DW_ATE
+#undef ONE_KNOWN_DW_ATE
+    };
+
+  if (likely (code < sizeof (known) / sizeof (known[0])))
+    return known[code];
+
+  return NULL;
+}
+
+
+static int
+first_module (Dwfl_Module *mod,
+	      void **userdatap __attribute__ ((unused)),
+	      const char *name __attribute__ ((unused)),
+	      Dwarf_Addr low_addr __attribute__ ((unused)),
+	      void *arg)
+{
+  Dwarf_Addr bias;
+  if (dwfl_module_getelf (mod, &bias) == NULL) /* Not really a module.  */
+    return DWARF_CB_OK;
+
+  *(Dwfl_Module **) arg = mod;
+  return DWARF_CB_ABORT;
+}
+
+
+struct state
+{
+  struct reginfo *info;
+  int nregs;
+};
+
+struct reginfo
+{
+  const char *set, *pfx;
+  int regno;
+  int bits;
+  int type;
+  char name[32];
+};
+
+static int
+compare (const void *r1, const void *r2)
+{
+  const struct reginfo *a = r1, *b = r2;
+  if (a->set == b->set)
+    return a->regno - b->regno;
+  if (a->set == NULL)
+    return 1;
+  if (b->set == NULL)
+    return -1;
+  if (!strcmp (a->set, "integer"))
+    return -1;
+  if (!strcmp (b->set, "integer"))
+    return 1;
+  return strcmp (a->set, b->set);
+}
+
+static int
+one_register (void *arg,
+	      int regno,
+	      const char *setname,
+	      const char *prefix,
+	      const char *regname,
+	      int bits, int type)
+{
+  struct state *state = arg;
+
+  if (regno >= state->nregs)
+    {
+      state->info = realloc (state->info, (regno + 1) * sizeof state->info[0]);
+      memset (&state->info[state->nregs], 0,
+	      ((void *) &state->info[regno + 1]
+	       - (void *) &state->info[state->nregs]));
+      state->nregs = regno + 1;
+    }
+
+  state->info[regno].regno = regno;
+  state->info[regno].set = setname;
+  state->info[regno].pfx = prefix;
+  state->info[regno].bits = bits;
+  state->info[regno].type = type;
+  assert (strlen (regname) < sizeof state->info[regno].name);
+  strcpy (state->info[regno].name, regname);
+
+  return DWARF_CB_OK;
+}
+
+
+static int
+match_register (void *arg,
+		int regno,
+		const char *setname,
+		const char *prefix,
+		const char *regname,
+		int bits, int type)
+{
+  if (regno == *(int *) arg)
+    printf ("%5d => %s register %s%s %s %d bits\n",
+	    regno, setname, prefix, regname,
+	    dwarf_encoding_string (type), bits);
+
+  return DWARF_CB_ABORT;
+}
+
+
+int
+main (int argc, char **argv)
+{
+  int remaining;
+
+  /* Set locale.  */
+  (void) setlocale (LC_ALL, "");
+
+  Dwfl *dwfl = NULL;
+  (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, &dwfl);
+  assert (dwfl != NULL);
+
+  Dwfl_Module *mod = NULL;
+  if (dwfl_getmodules (dwfl, &first_module, &mod, 0) < 0)
+    error (EXIT_FAILURE, 0, "dwfl_getmodules: %s", dwfl_errmsg (-1));
+
+  if (remaining == argc)
+    {
+      struct state state = { NULL, 0 };
+      int result = dwfl_module_register_names (mod, &one_register, &state);
+      if (result != 0 || state.nregs == 0)
+	error (EXIT_FAILURE, 0, "dwfl_module_register_names: %s",
+	       result ? dwfl_errmsg (-1) : "no backend registers known");
+
+      qsort (state.info, state.nregs, sizeof state.info[0], &compare);
+
+      const char *set = NULL;
+      for (int i = 0; i < state.nregs; ++i)
+	if (state.info[i].set != NULL)
+	  {
+	    if (set != state.info[i].set)
+	      printf ("%s registers:\n", state.info[i].set);
+	    set = state.info[i].set;
+
+	    printf ("\t%3d: %s%s (%s), %s %d bits\n",
+		    state.info[i].regno,
+		    state.info[i].pfx ?: "", state.info[i].name,
+		    state.info[i].name,
+		    dwarf_encoding_string (state.info[i].type),
+		    state.info[i].bits);
+	  }
+    }
+  else
+    do
+      {
+	const char *arg = argv[remaining++];
+	int regno = atoi (arg);
+	int result = dwfl_module_register_names (mod, &match_register, &regno);
+	if (result != DWARF_CB_ABORT)
+	  error (EXIT_FAILURE, 0, "dwfl_module_register_names: %s",
+		 result ? dwfl_errmsg (-1) : "no backend registers known");
+      }
+    while (remaining < argc);
+
+  dwfl_end (dwfl);
+
+  return 0;
+}