1 /* Copyright (C) 2012 Red Hat, Inc. 2 This file is part of elfutils. 3 4 This file is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 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 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17 #ifdef HAVE_CONFIG_H 18 # include <config.h> 19 #endif 20 21 #include <fcntl.h> 22 #include ELFUTILS_HEADER(dw) 23 #include <stdio.h> 24 #include <unistd.h> 25 #include <dwarf.h> 26 27 int 28 main (int argc, char *argv[]) 29 { 30 for (int i = 1; i < argc; ++i) 31 { 32 int fd = open (argv[i], O_RDONLY); 33 34 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ); 35 if (dbg != NULL) 36 { 37 Dwarf_Off off = 0; 38 size_t cuhl; 39 Dwarf_Off noff; 40 41 while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0) 42 { 43 Dwarf_Die die_mem; 44 Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem); 45 46 Dwarf_Die iter_mem; 47 Dwarf_Die *iter = &iter_mem; 48 dwarf_child (die, &iter_mem); 49 50 while (1) 51 { 52 if (dwarf_tag (iter) == DW_TAG_variable) 53 { 54 Dwarf_Attribute attr_mem; 55 Dwarf_Die form_mem; 56 dwarf_formref_die (dwarf_attr (iter, DW_AT_type, 57 &attr_mem), 58 &form_mem); 59 } 60 61 if (dwarf_siblingof (iter, &iter_mem) != 0) 62 break; 63 } 64 65 off = noff; 66 } 67 68 off = 0; 69 uint64_t type_sig; 70 71 while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL, 72 NULL, &type_sig, NULL) == 0) 73 { 74 Dwarf_Die die_mem; 75 Dwarf_Die *die = dwarf_offdie_types (dbg, off + cuhl, &die_mem); 76 77 if (die == NULL) 78 printf ("fail\n"); 79 else 80 printf ("ok\n"); 81 82 off = noff; 83 } 84 85 dwarf_end (dbg); 86 } 87 88 close (fd); 89 } 90 } 91
