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      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 <error.h>
     29 #include <string.h>
     30 #include <fnmatch.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
     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
     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