Squashed 'third_party/elfutils/' content from commit 555e15e

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/tests/newfile.c b/tests/newfile.c
new file mode 100644
index 0000000..5eabdcb
--- /dev/null
+++ b/tests/newfile.c
@@ -0,0 +1,170 @@
+/* Copyright (C) 1999, 2000, 2001, 2002, 2005 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <libelf.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static void
+print_ehdr (Elf32_Ehdr *ehdr)
+{
+  int n;
+
+  for (n = 0; n < EI_NIDENT; ++n)
+    printf (" %02x", ehdr->e_ident[n]);
+
+  printf ("\ntype = %d\nmachine = %d\nversion = %d\nentry = %d\n"
+          "phoff = %d\nshoff = %d\nflags = %d\nehsize = %d\n"
+          "phentsize = %d\nphnum = %d\nshentsize = %d\nshnum = %d\n"
+          "shstrndx = %d\n",
+          ehdr->e_type,
+          ehdr->e_machine,
+          ehdr->e_version,
+          ehdr->e_entry,
+          ehdr->e_phoff,
+          ehdr->e_shoff,
+          ehdr->e_flags,
+          ehdr->e_ehsize,
+          ehdr->e_phentsize,
+          ehdr->e_phnum,
+          ehdr->e_shentsize,
+          ehdr->e_shnum,
+          ehdr->e_shstrndx);
+}
+
+int
+main (int argc, char *argv[] __attribute__ ((unused)))
+{
+  Elf *elf;
+  int result = 0;
+  int fd;
+  char fname[] = "newfile-XXXXXX";
+
+  fd = mkstemp (fname);
+  if (fd == -1)
+    {
+      printf ("cannot create temporary file: %m\n");
+      exit (1);
+    }
+  /* Remove the file when we exit.  */
+  unlink (fname);
+
+  elf_version (EV_CURRENT);
+  elf = elf_begin (fd, ELF_C_WRITE, NULL);
+  if (elf == NULL)
+    {
+      printf ("elf_begin: %s\n", elf_errmsg (-1));
+      result = 1;
+    }
+  else
+    {
+      if (elf32_newehdr (elf) == NULL)
+	{
+	  printf ("elf32_newehdr: %s\n", elf_errmsg (-1));
+	  result = 1;
+	}
+      else
+        {
+	  Elf32_Ehdr *ehdr = elf32_getehdr (elf);
+
+	  if (ehdr == NULL)
+	    {
+	      printf ("elf32_getehdr: %s\n", elf_errmsg (-1));
+	      result = 1;
+	    }
+	  else
+	    {
+	      int i;
+
+	      if (argc > 1)
+		/* Use argc as a debugging flag.  */
+		print_ehdr (ehdr);
+
+	      /* Some tests.  */
+	      for (i = 0; i < EI_NIDENT; ++i)
+		if (ehdr->e_ident[i] != 0)
+		  {
+		    printf ("ehdr->e_ident[%d] != 0\n", i);
+		    result = 1;
+		    break;
+		  }
+
+#define VALUE_TEST(name, val) \
+	      if (ehdr->name != val)					      \
+	        {							      \
+		  printf ("ehdr->%s != %d\n", #name, val);		      \
+		  result = 1;						      \
+		}
+#define ZERO_TEST(name) VALUE_TEST (name, 0)
+	      ZERO_TEST (e_type);
+	      ZERO_TEST (e_machine);
+	      ZERO_TEST (e_version);
+	      ZERO_TEST (e_entry);
+	      ZERO_TEST (e_phoff);
+	      ZERO_TEST (e_shoff);
+	      ZERO_TEST (e_flags);
+	      ZERO_TEST (e_ehsize);
+	      ZERO_TEST (e_phentsize);
+	      ZERO_TEST (e_phnum);
+	      ZERO_TEST (e_shentsize);
+	      ZERO_TEST (e_shnum);
+	      ZERO_TEST (e_shstrndx);
+
+	      if (elf32_newphdr (elf, 10) == NULL)
+		{
+		  printf ("elf32_newphdr: %s\n", elf_errmsg (-1));
+		  result = 1;
+		}
+	      else
+		{
+		  if (argc > 1)
+		    print_ehdr (ehdr);
+
+		  ehdr = elf32_getehdr (elf);
+		  if (ehdr == NULL)
+		    {
+		      printf ("elf32_getehdr (#2): %s\n", elf_errmsg (-1));
+		      result = 1;
+		    }
+		  else
+		    {
+		      ZERO_TEST (e_type);
+		      ZERO_TEST (e_machine);
+		      ZERO_TEST (e_version);
+		      ZERO_TEST (e_entry);
+		      ZERO_TEST (e_phoff);
+		      ZERO_TEST (e_shoff);
+		      ZERO_TEST (e_flags);
+		      ZERO_TEST (e_ehsize);
+		      VALUE_TEST (e_phentsize, (int) sizeof (Elf32_Phdr));
+		      VALUE_TEST (e_phnum, 10);
+		      ZERO_TEST (e_shentsize);
+		      ZERO_TEST (e_shnum);
+		      ZERO_TEST (e_shstrndx);
+		    }
+		}
+	    }
+        }
+
+      (void) elf_end (elf);
+    }
+
+  return result;
+}