1/* Copyright (C) 2005 Red Hat, Inc.
2   This file is part of Red Hat elfutils.
3
4   Red Hat elfutils is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by the
6   Free Software Foundation; version 2 of the License.
7
8   Red Hat elfutils is distributed in the hope that it will be useful, but
9   WITHOUT ANY WARRANTY; without even the implied warranty of
10   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11   General Public License for more details.
12
13   You should have received a copy of the GNU General Public License along
14   with Red Hat elfutils; if not, write to the Free Software Foundation,
15   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
16
17   Red Hat elfutils is an included package of the Open Invention Network.
18   An included package of the Open Invention Network is a package for which
19   Open Invention Network licensees cross-license their patents.  No patent
20   license is granted, either expressly or impliedly, by designation as an
21   included package.  Should you wish to participate in the Open Invention
22   Network licensing program, please visit www.openinventionnetwork.com
23   <http://www.openinventionnetwork.com>.  */
24
25#ifdef HAVE_CONFIG_H
26# include <config.h>
27#endif
28
29#include <inttypes.h>
30#include <assert.h>
31#include ELFUTILS_HEADER(dwfl)
32#include <argp.h>
33#include <stdio.h>
34#include <locale.h>
35#include <stdlib.h>
36#include <string.h>
37#include <error.h>
38
39
40static void
41print_address (Dwfl_Module *mod, Dwarf_Addr address)
42{
43  int n = dwfl_module_relocations (mod);
44  if (n < 0)
45    error (0, 0, "dwfl_module_relocations: %s", dwfl_errmsg (-1));
46  else if (n > 0)
47    {
48      int i = dwfl_module_relocate_address (mod, &address);
49      if (i < 0)
50	error (0, 0, "dwfl_module_relocate_address: %s", dwfl_errmsg (-1));
51      else
52	{
53	  const char *modname = dwfl_module_info (mod, NULL, NULL, NULL,
54						  NULL, NULL, NULL, NULL);
55	  const char *secname = dwfl_module_relocation_info (mod, i, NULL);
56	  if (n > 1 || secname[0] != '\0')
57	    printf ("%s(%s)+%#" PRIx64, modname, secname, address);
58	  else
59	    printf ("%s+%#" PRIx64, modname, address);
60	  return;
61	}
62    }
63
64  printf ("%#" PRIx64, address);
65}
66
67
68struct args
69{
70  const char *arg;
71  char *file;
72  int line;
73};
74
75static int
76handle_module (Dwfl_Module *mod __attribute__ ((unused)),
77	       void **udata __attribute__ ((unused)),
78	       const char *modname, Dwarf_Addr base __attribute__ ((unused)),
79	       Dwarf *dbg __attribute__ ((unused)),
80	       Dwarf_Addr bias __attribute__ ((unused)), void *arg)
81{
82  const struct args *const a = arg;
83
84  Dwfl_Line **lines = NULL;
85  size_t nlines = 0;
86
87  if (dwfl_module_getsrc_file (mod, a->file, a->line, 0, &lines, &nlines) == 0)
88    {
89      for (size_t inner = 0; inner < nlines; ++inner)
90	{
91	  Dwarf_Addr addr;
92	  int line = a->line, col = 0;
93	  const char *file = dwfl_lineinfo (lines[inner], &addr, &line, &col,
94					    NULL, NULL);
95	  if (file != NULL)
96	    {
97	      printf ("%s -> ", a->arg);
98	      print_address (mod, addr);
99	      if (modname[0] != '\0')
100		printf (" (%s:", modname);
101	      if (strcmp (file, a->file) || line != a->line || col != 0)
102		printf (" %s%s:%d", modname[0] != '\0' ? "" : "(",
103			file, line);
104	      if (col != 0)
105		printf (":%d", col);
106	      if (modname[0] != '\0'
107		  || strcmp (file, a->file) || line != a->line || col != 0)
108		puts (")");
109	      else
110		puts ("");
111	    }
112	}
113      free (lines);
114    }
115
116  return DWARF_CB_OK;
117}
118
119int
120main (int argc, char *argv[])
121{
122  int cnt;
123
124  /* Set locale.  */
125  (void) setlocale (LC_ALL, "");
126
127  Dwfl *dwfl = NULL;
128  (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &cnt, &dwfl);
129  assert (dwfl != NULL);
130
131  for (; cnt < argc; ++cnt)
132    {
133      struct args a = { .arg = argv[cnt] };
134
135      switch (sscanf (a.arg, "%m[^:]:%d", &a.file, &a.line))
136	{
137	default:
138	case 0:
139	  printf ("ignored %s\n", argv[cnt]);
140	  continue;
141	case 1:
142	  a.line = 0;
143	  break;
144	case 2:
145	  break;
146	}
147
148      (void) dwfl_getdwarf (dwfl, &handle_module, &a, 0);
149
150      free (a.file);
151    }
152
153  dwfl_end (dwfl);
154
155  return 0;
156}
157