1 /* Test all DW_LANG constants are handled by dwarf_default_lower_bound.
2 
3    Copyright (C) 2016 Red Hat, Inc.
4    This file is part of elfutils.
5 
6    This file is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    elfutils is distributed in the hope that it will be useful, but
12    WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
18 
19 #ifdef HAVE_CONFIG_H
20 # include <config.h>
21 #endif
22 
23 #include <dwarf.h>
24 #include ELFUTILS_HEADER(dw)
25 #include "../libdw/known-dwarf.h"
26 
27 #include <inttypes.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 
31 static void
test_lang(const char * name,int lang)32 test_lang (const char *name, int lang)
33 {
34   Dwarf_Sword low;
35   int res = dwarf_default_lower_bound (lang, &low);
36 
37   /* Assembler is special, it doesn't really have arrays.  */
38   if (lang == DW_LANG_Mips_Assembler)
39     {
40       if (res == 0)
41 	{
42 	  printf ("%s shouldn't have a known lower bound\n", name);
43 	  exit (-1);
44 	}
45       printf ("%s: <unknown>\n", name);
46       return;
47     }
48 
49   if (res != 0)
50     {
51       printf ("dwarf_default_lower_bound failed (%d) for %s\n", res, name);
52       exit (-1);
53     }
54 
55   /* All currently known lower bounds are either zero or one, but
56      they don't have to.  Update test once one is a different value.  */
57   if (low != 0 && low != 1)
58     {
59       printf ("unexpected lower bound %" PRId64 " for %s\n", low, name);
60       exit (-1);
61     }
62 
63   printf ("%s: %" PRId64 "\n", name, low);
64 }
65 
66 int
main(int argc,char * argv[])67 main (int argc __attribute__ ((unused)), char *argv[] __attribute__ ((unused)))
68 {
69   Dwarf_Sword low;
70   /* Bad language code must fail.  */
71   if (dwarf_default_lower_bound (-1, &low) == 0)
72     {
73       printf ("Bad lang code -1 succeeded (%" PRId64 ")\n", low);
74       exit (-1);
75     }
76 
77   /* Test all known language codes.  */
78 #define DWARF_ONE_KNOWN_DW_LANG(NAME, CODE) test_lang (#NAME, CODE);
79   DWARF_ALL_KNOWN_DW_LANG
80 #undef DWARF_ONE_KNOWN_DW_LANG
81 
82   return 0;
83 }
84