1 /* Copyright (C) 2002, 2004, 2005, 2007 Red Hat, Inc. 2 This file is part of Red Hat elfutils. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include <fcntl.h> 31 #include <libelf.h> 32 #include ELFUTILS_HEADER(dw) 33 #include <stdio.h> 34 #include <unistd.h> 35 36 37 int 38 main (int argc, char *argv[]) 39 { 40 int result = 0; 41 int cnt; 42 43 for (cnt = 1; cnt < argc; ++cnt) 44 { 45 int fd = open (argv[cnt], O_RDONLY); 46 47 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); 48 if (dbg == NULL) 49 { 50 printf ("%s not usable\n", argv[cnt]); 51 result = 1; 52 if (fd != -1) 53 close (fd); 54 continue; 55 } 56 57 Dwarf_Off o = 0; 58 Dwarf_Off ncu; 59 Dwarf_Off ao; 60 size_t cuhl; 61 uint8_t asz; 62 uint8_t osz; 63 while (dwarf_nextcu (dbg, o, &ncu, &cuhl, &ao, &asz, &osz) == 0) 64 { 65 printf ("cuhl = %zu, o = %llu, asz = %hhu, osz = %hhu, ncu = %llu\n", 66 cuhl, (unsigned long long int) ao, 67 asz, osz, (unsigned long long int) ncu); 68 69 Dwarf_Die die_mem; 70 Dwarf_Die *die = dwarf_offdie (dbg, o + cuhl, &die_mem); 71 if (die == NULL) 72 { 73 printf ("%s: cannot get CU die\n", argv[cnt]); 74 result = 1; 75 break; 76 } 77 78 Dwarf_Files *files; 79 size_t nfiles; 80 if (dwarf_getsrcfiles (die, &files, &nfiles) != 0) 81 { 82 printf ("%s: cannot get files\n", argv[cnt]); 83 result = 1; 84 break; 85 } 86 87 const char *const *dirs; 88 size_t ndirs; 89 if (dwarf_getsrcdirs (files, &dirs, &ndirs) != 0) 90 { 91 printf ("%s: cannot get include directories\n", argv[cnt]); 92 result = 1; 93 break; 94 } 95 96 if (dirs[0] == NULL) 97 puts (" dirs[0] = (null)"); 98 else 99 printf (" dirs[0] = \"%s\"\n", dirs[0]); 100 for (size_t i = 1; i < ndirs; ++i) 101 printf (" dirs[%zu] = \"%s\"\n", i, dirs[i]); 102 103 for (size_t i = 0; i < nfiles; ++i) 104 printf (" file[%zu] = \"%s\"\n", i, 105 dwarf_filesrc (files, i, NULL, NULL)); 106 107 o = ncu; 108 } 109 110 dwarf_end (dbg); 111 close (fd); 112 } 113 114 return result; 115 } 116
