1cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng/* Copyright (C) 2005, 2006 Red Hat, Inc.
2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   This file is part of Red Hat elfutils.
3cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
4cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Red Hat elfutils is free software; you can redistribute it and/or modify
5cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   it under the terms of the GNU General Public License as published by the
6cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Free Software Foundation; version 2 of the License.
7cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
8cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Red Hat elfutils is distributed in the hope that it will be useful, but
9cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   WITHOUT ANY WARRANTY; without even the implied warranty of
10cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   General Public License for more details.
12cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
13cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   You should have received a copy of the GNU General Public License along
14cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   with Red Hat elfutils; if not, write to the Free Software Foundation,
15cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
16cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
17cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Red Hat elfutils is an included package of the Open Invention Network.
18cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   An included package of the Open Invention Network is a package for which
19cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Open Invention Network licensees cross-license their patents.  No patent
20cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   license is granted, either expressly or impliedly, by designation as an
21cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   included package.  Should you wish to participate in the Open Invention
22cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   Network licensing program, please visit www.openinventionnetwork.com
23cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng   <http://www.openinventionnetwork.com>.  */
24cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
25cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#ifdef HAVE_CONFIG_H
26cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng# include <config.h>
27cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#endif
28cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
29cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <stdio.h>
30cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <stdlib.h>
31cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <string.h>
32cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <error.h>
33cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <locale.h>
34cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <argp.h>
35cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <assert.h>
36cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include ELFUTILS_HEADER(dwfl)
37cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <dwarf.h>
38cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
39cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
40cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstatic const char *
41cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengdwarf_encoding_string (unsigned int code)
42cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
43cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  static const char *known[] =
44cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    {
45cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_void] = "void",
46cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_address] = "address",
47cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_boolean] = "boolean",
48cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_complex_float] = "complex_float",
49cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_float] = "float",
50cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_signed] = "signed",
51cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_signed_char] = "signed_char",
52cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_unsigned] = "unsigned",
53cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_unsigned_char] = "unsigned_char",
54cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_imaginary_float] = "imaginary_float",
55cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_packed_decimal] = "packed_decimal",
56cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_numeric_string] = "numeric_string",
57cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_edited] = "edited",
58cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_signed_fixed] = "signed_fixed",
59cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_unsigned_fixed] = "unsigned_fixed",
60cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      [DW_ATE_decimal_float] = "decimal_float",
61cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    };
62cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
63cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (code < sizeof (known) / sizeof (known[0]))
64cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return known[code];
65cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
66cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (code >= DW_ATE_lo_user && code <= DW_ATE_hi_user)
67cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    {
68cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      static char buf[30];
69cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      snprintf (buf, sizeof (buf), "lo_user+%u", code - DW_ATE_lo_user);
70cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      return buf;
71cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    }
72cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
73cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return "???";
74cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
75cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
76cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstatic int
77cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengfirst_module (Dwfl_Module *mod,
78cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      void **userdatap __attribute__ ((unused)),
79cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      const char *name __attribute__ ((unused)),
80cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      Dwarf_Addr low_addr __attribute__ ((unused)),
81cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      void *arg)
82cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
83cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  Dwarf_Addr bias;
84cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (dwfl_module_getelf (mod, &bias) == NULL) /* Not really a module.  */
85cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return DWARF_CB_OK;
86cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
87cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  *(Dwfl_Module **) arg = mod;
88cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return DWARF_CB_ABORT;
89cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
90cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
91cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
92cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstruct state
93cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
94cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  struct reginfo *info;
95cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  int nregs;
96cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng};
97cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
98cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstruct reginfo
99cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
100cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  const char *set, *pfx;
101cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  int regno;
102cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  int bits;
103cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  int type;
104cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  char name[32];
105cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng};
106cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
107cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstatic int
108cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengcompare (const void *r1, const void *r2)
109cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
110cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  const struct reginfo *a = r1, *b = r2;
111cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (a->set == b->set)
112cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return a->regno - b->regno;
113cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (a->set == NULL)
114cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return 1;
115cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (b->set == NULL)
116cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return -1;
117cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (!strcmp (a->set, "integer"))
118cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return -1;
119cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (!strcmp (b->set, "integer"))
120cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    return 1;
121cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return strcmp (a->set, b->set);
122cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
123cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
124cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstatic int
125cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengone_register (void *arg,
126cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      int regno,
127cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      const char *setname,
128cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      const char *prefix,
129cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      const char *regname,
130cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      int bits, int type)
131cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
132cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  struct state *state = arg;
133cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
134cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (regno >= state->nregs)
135cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    {
136cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      state->info = realloc (state->info, (regno + 1) * sizeof state->info[0]);
137cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      memset (&state->info[state->nregs], 0,
138cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      ((void *) &state->info[regno + 1]
139cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	       - (void *) &state->info[state->nregs]));
140cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      state->nregs = regno + 1;
141cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    }
142cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
143cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  state->info[regno].regno = regno;
144cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  state->info[regno].set = setname;
145cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  state->info[regno].pfx = prefix;
146cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  state->info[regno].bits = bits;
147cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  state->info[regno].type = type;
148cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  assert (strlen (regname) < sizeof state->info[regno].name);
149cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  strcpy (state->info[regno].name, regname);
150cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
151cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return DWARF_CB_OK;
152cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
153cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
154cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
155cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengstatic int
156cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengmatch_register (void *arg,
157cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		int regno,
158cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		const char *setname,
159cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		const char *prefix,
160cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		const char *regname,
161cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		int bits, int type)
162cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
163cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (regno == *(int *) arg)
164cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    printf ("%5d => %s register %s%s %s %d bits\n",
165cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	    regno, setname, prefix, regname,
166cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	    dwarf_encoding_string (type), bits);
167cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
168cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return DWARF_CB_ABORT;
169cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
170cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
171cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
172cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengint
173cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengmain (int argc, char **argv)
174cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng{
175cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  int remaining;
176cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
177cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  /* Set locale.  */
178cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  (void) setlocale (LC_ALL, "");
179cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
180cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  Dwfl *dwfl = NULL;
181cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, &dwfl);
182cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  assert (dwfl != NULL);
183cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
184cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  Dwfl_Module *mod = NULL;
185cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (dwfl_getmodules (dwfl, &first_module, &mod, 0) < 0)
186cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    error (EXIT_FAILURE, 0, "dwfl_getmodules: %s", dwfl_errmsg (-1));
187cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
188cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  if (remaining == argc)
189cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    {
190cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      struct state state = { NULL, 0 };
191cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      int result = dwfl_module_register_names (mod, &one_register, &state);
192cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      if (result != 0 || state.nregs == 0)
193cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	error (EXIT_FAILURE, 0, "dwfl_module_register_names: %s",
194cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	       result ? dwfl_errmsg (-1) : "no backend registers known");
195cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
196cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      qsort (state.info, state.nregs, sizeof state.info[0], &compare);
197cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
198cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      const char *set = NULL;
199cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      for (int i = 0; i < state.nregs; ++i)
200cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	if (state.info[i].set != NULL)
201cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	  {
202cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	    if (set != state.info[i].set)
203cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	      printf ("%s registers:\n", state.info[i].set);
204cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	    set = state.info[i].set;
205cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
206cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	    printf ("\t%3d: %s%s (%s), %s %d bits\n",
207cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		    state.info[i].regno,
208cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		    state.info[i].pfx ?: "", state.info[i].name,
209cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		    state.info[i].name,
210cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		    dwarf_encoding_string (state.info[i].type),
211cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		    state.info[i].bits);
212cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	  }
213cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    }
214cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  else
215cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    do
216cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      {
217cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	const char *arg = argv[remaining++];
218cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	int regno = atoi (arg);
219cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	int result = dwfl_module_register_names (mod, &match_register, &regno);
220cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	if (result != DWARF_CB_ABORT)
221cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng	  error (EXIT_FAILURE, 0, "dwfl_module_register_names: %s",
222cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng		 result ? dwfl_errmsg (-1) : "no backend registers known");
223cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng      }
224cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng    while (remaining < argc);
225cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
226cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  dwfl_end (dwfl);
227cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng
228cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng  return 0;
229cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng}
230