1/* A variant of get-files test that uses dwarf_next_lines. 2 Copyright (C) 2002, 2004, 2005, 2007, 2014, 2018 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#ifdef HAVE_CONFIG_H 19# include <config.h> 20#endif 21 22#include <fcntl.h> 23#include <inttypes.h> 24#include <libelf.h> 25#include ELFUTILS_HEADER(dw) 26#include <stdio.h> 27#include <unistd.h> 28 29 30int 31main (int argc, char *argv[]) 32{ 33 int result = 0; 34 int cnt; 35 36 for (cnt = 1; cnt < argc; ++cnt) 37 { 38 int fd = open (argv[cnt], O_RDONLY); 39 40 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); 41 if (dbg == NULL) 42 { 43 printf ("%s not usable\n", argv[cnt]); 44 result = 1; 45 if (fd != -1) 46 close (fd); 47 continue; 48 } 49 50 Dwarf_Off off; 51 Dwarf_Off next_off = 0; 52 Dwarf_CU *cu = NULL; 53 Dwarf_Files *files; 54 size_t nfiles; 55 int res; 56 while ((res = dwarf_next_lines (dbg, off = next_off, &next_off, &cu, 57 &files, &nfiles, NULL, NULL)) == 0) 58 { 59 printf ("off = %" PRIu64 "\n", off); 60 61 const char *const *dirs; 62 size_t ndirs; 63 if (dwarf_getsrcdirs (files, &dirs, &ndirs) != 0) 64 { 65 printf ("%s: cannot get include directories\n", argv[cnt]); 66 result = 1; 67 break; 68 } 69 70 if (dirs[0] == NULL) 71 puts (" dirs[0] = (null)"); 72 else 73 printf (" dirs[0] = \"%s\"\n", dirs[0]); 74 for (size_t i = 1; i < ndirs; ++i) 75 printf (" dirs[%zu] = \"%s\"\n", i, dirs[i]); 76 77 for (size_t i = 0; i < nfiles; ++i) 78 printf (" file[%zu] = \"%s\"\n", i, 79 dwarf_filesrc (files, i, NULL, NULL)); 80 } 81 82 if (res < 0) 83 { 84 printf ("dwarf_next_lines failed: %s\n", dwarf_errmsg (-1)); 85 result = 1; 86 } 87 88 dwarf_end (dbg); 89 close (fd); 90 } 91 92 return result; 93} 94