1 /* Test program for dwarf_entry_breakpoints.
2    Copyright (C) 2005 Red Hat, Inc.
3    This file is part of elfutils.
4 
5    This file is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    elfutils is distributed in the hope that it will be useful, but
11    WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17 
18 #include <config.h>
19 #include <assert.h>
20 #include <inttypes.h>
21 #include ELFUTILS_HEADER(dwfl)
22 #include <dwarf.h>
23 #include <argp.h>
24 #include <stdio.h>
25 #include <stdio_ext.h>
26 #include <locale.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <fnmatch.h>
30 #include "system.h"
31 
32 
33 struct args
34 {
35   Dwfl *dwfl;
36   Dwarf_Die *cu;
37   Dwarf_Addr dwbias;
38   char **argv;
39 };
40 
41 static int
handle_function(Dwarf_Die * func,void * arg)42 handle_function (Dwarf_Die *func, void *arg)
43 {
44   struct args *a = arg;
45 
46   const char *name = dwarf_diename (func);
47   char **argv = a->argv;
48   if (argv[0] != NULL)
49     {
50       bool match;
51       do
52 	match = fnmatch (*argv, name, 0) == 0;
53       while (!match && *++argv);
54       if (!match)
55 	return 0;
56     }
57 
58   if (dwarf_func_inline (func))
59     return 0;
60 
61   Dwarf_Addr entrypc;
62   if (dwarf_entrypc (func, &entrypc) != 0)
63     error (EXIT_FAILURE, 0, "dwarf_entrypc: %s: %s",
64 	   dwarf_diename (func), dwarf_errmsg (-1));
65   entrypc += a->dwbias;
66 
67   printf ("%-16s %#.16" PRIx64, dwarf_diename (func), entrypc);
68 
69   Dwarf_Addr *bkpts = NULL;
70   int result = dwarf_entry_breakpoints (func, &bkpts);
71   if (result <= 0)
72     printf ("\t%s\n", dwarf_errmsg (-1));
73   else
74     {
75       for (int i = 0; i < result; ++i)
76 	printf (" %#.16" PRIx64 "%s", bkpts[i] + a->dwbias,
77 		i == result - 1 ? "\n" : "");
78       free (bkpts);
79     }
80 
81   return 0;
82 }
83 
84 
85 int
main(int argc,char * argv[])86 main (int argc, char *argv[])
87 {
88   int remaining;
89 
90   /* Set locale.  */
91   (void) setlocale (LC_ALL, "");
92 
93   struct args a = { .dwfl = NULL, .cu = NULL };
94 
95   (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining,
96 		     &a.dwfl);
97   assert (a.dwfl != NULL);
98   a.argv = &argv[remaining];
99 
100   int result = 0;
101 
102   while ((a.cu = dwfl_nextcu (a.dwfl, a.cu, &a.dwbias)) != NULL)
103     dwarf_getfuncs (a.cu, &handle_function, &a, 0);
104 
105   dwfl_end (a.dwfl);
106 
107   return result;
108 }
109