1cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng/* Copyright (C) 1999, 2000, 2001, 2002, 2005 Red Hat, Inc. 2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng This file is part of Red Hat elfutils. 3441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Written by Ulrich Drepper <drepper@redhat.com>, 1999. 4441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 5cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 6cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng it under the terms of the GNU General Public License as published by the 7cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Free Software Foundation; version 2 of the License. 8441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 9cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 10cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 11cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng General Public License for more details. 13cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 14cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng You should have received a copy of the GNU General Public License along 15cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 16cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 18cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is an included package of the Open Invention Network. 19cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng An included package of the Open Invention Network is a package for which 20cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Open Invention Network licensees cross-license their patents. No patent 21cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng license is granted, either expressly or impliedly, by designation as an 22cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng included package. Should you wish to participate in the Open Invention 23cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Network licensing program, please visit www.openinventionnetwork.com 24cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng <http://www.openinventionnetwork.com>. */ 25441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 26441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <config.h> 27441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 28441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <libelf.h> 29441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <stdio.h> 30441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <stdlib.h> 31441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <unistd.h> 32441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 33441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectstatic void 34441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectprint_ehdr (Elf32_Ehdr *ehdr) 35441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 36441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int n; 37441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 38441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project for (n = 0; n < EI_NIDENT; ++n) 39441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf (" %02x", ehdr->e_ident[n]); 40441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 41441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("\ntype = %d\nmachine = %d\nversion = %d\nentry = %d\n" 42441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project "phoff = %d\nshoff = %d\nflags = %d\nehsize = %d\n" 43441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project "phentsize = %d\nphnum = %d\nshentsize = %d\nshnum = %d\n" 44441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project "shstrndx = %d\n", 45441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_type, 46441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_machine, 47441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_version, 48441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_entry, 49441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_phoff, 50441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_shoff, 51441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_flags, 52441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_ehsize, 53441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_phentsize, 54441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_phnum, 55441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_shentsize, 56441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_shnum, 57441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr->e_shstrndx); 58441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 59441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 60441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectint 61cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Chengmain (int argc, char *argv[] __attribute__ ((unused))) 62441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 63441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf *elf; 64441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int result = 0; 65441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int fd; 66441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project char fname[] = "newfile-XXXXXX"; 67441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 68441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project fd = mkstemp (fname); 69441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (fd == -1) 70441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 71441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("cannot create temporary file: %m\n"); 72441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project exit (1); 73441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 74441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Remove the file when we exit. */ 75441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unlink (fname); 76441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 77441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project elf_version (EV_CURRENT); 78441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project elf = elf_begin (fd, ELF_C_WRITE, NULL); 79441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (elf == NULL) 80441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 81441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("elf_begin: %s\n", elf_errmsg (-1)); 82441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 83441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 84441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 85441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 86441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (elf32_newehdr (elf) == NULL) 87441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 88441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("elf32_newehdr: %s\n", elf_errmsg (-1)); 89441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 90441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 91441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 92441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 93441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf32_Ehdr *ehdr = elf32_getehdr (elf); 94441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 95441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (ehdr == NULL) 96441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 97441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("elf32_getehdr: %s\n", elf_errmsg (-1)); 98441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 99441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 100441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 101441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 102441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int i; 103441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 104441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (argc > 1) 105441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Use argc as a debugging flag. */ 106441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project print_ehdr (ehdr); 107441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 108441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Some tests. */ 109441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project for (i = 0; i < EI_NIDENT; ++i) 110441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (ehdr->e_ident[i] != 0) 111441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 112441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("ehdr->e_ident[%d] != 0\n", i); 113441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 114441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 115441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 116441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 117441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define VALUE_TEST(name, val) \ 118441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (ehdr->name != val) \ 119441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { \ 120441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("ehdr->%s != %d\n", #name, val); \ 121441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; \ 122441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 123441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define ZERO_TEST(name) VALUE_TEST (name, 0) 124441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_type); 125441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_machine); 126441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_version); 127441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_entry); 128441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_phoff); 129441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shoff); 130441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_flags); 131441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_ehsize); 132441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_phentsize); 133441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_phnum); 134441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shentsize); 135441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shnum); 136441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shstrndx); 137441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 138441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (elf32_newphdr (elf, 10) == NULL) 139441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 140441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("elf32_newphdr: %s\n", elf_errmsg (-1)); 141441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 142441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 143441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 144441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 145441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (argc > 1) 146441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project print_ehdr (ehdr); 147441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 148441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ehdr = elf32_getehdr (elf); 149441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (ehdr == NULL) 150441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 151441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project printf ("elf32_getehdr (#2): %s\n", elf_errmsg (-1)); 152441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project result = 1; 153441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 154441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 155441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 156441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_type); 157441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_machine); 158441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_version); 159441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_entry); 160441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_phoff); 161441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shoff); 162441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_flags); 163441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_ehsize); 164441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project VALUE_TEST (e_phentsize, (int) sizeof (Elf32_Phdr)); 165441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project VALUE_TEST (e_phnum, 10); 166441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shentsize); 167441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shnum); 168441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ZERO_TEST (e_shstrndx); 169441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 170441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 171441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 172441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 173441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 174441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project (void) elf_end (elf); 175441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 176441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 177441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return result; 178441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 179