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/showptable.c b/tests/showptable.c
new file mode 100644
index 0000000..a794b0e
--- /dev/null
+++ b/tests/showptable.c
@@ -0,0 +1,139 @@
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ 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 <errno.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int
+main (int argc, char *argv[])
+{
+ Elf *elf;
+ int fd;
+ GElf_Ehdr ehdr;
+ int cnt;
+
+ if (argc < 2)
+ {
+ puts ("missing parameter");
+ exit (1);
+ }
+
+ fd = open (argv[1], O_RDONLY);
+ if (fd == -1)
+ {
+ printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno));
+ exit (1);
+ }
+
+ elf_version (EV_CURRENT);
+
+ elf = elf_begin (fd, ELF_C_READ, NULL);
+ if (elf == NULL)
+ {
+ printf ("cannot open ELF file: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
+
+ if (elf_kind (elf) != ELF_K_ELF)
+ {
+ printf ("\"%s\" is not an ELF file\n", argv[1]);
+ exit (1);
+ }
+
+ if (gelf_getehdr (elf, &ehdr) == NULL)
+ {
+ printf ("cannot get the ELF header: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
+
+ printf ("idx type %*s %*s %*s %*s %*s align flags\n",
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 17, "offset",
+ gelf_getclass (elf) == ELFCLASS32 ? 10 : 18, "vaddr",
+ gelf_getclass (elf) == ELFCLASS32 ? 10 : 18, "paddr",
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 12, "filesz",
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 12, "memsz");
+
+ for (cnt = 0; cnt < ehdr.e_phnum; ++cnt)
+ {
+ static const char *typenames[] =
+ {
+ [PT_NULL] = "NULL",
+ [PT_LOAD] = "LOAD",
+ [PT_DYNAMIC] = "DYNAMIC",
+ [PT_INTERP] = "INTERP",
+ [PT_NOTE] = "NOTE",
+ [PT_SHLIB] = "SHLIB",
+ [PT_PHDR] = "PHDR"
+ };
+ GElf_Phdr mem;
+ GElf_Phdr *phdr = gelf_getphdr (elf, cnt, &mem);
+ char buf[19];
+ const char *p_type = typenames[phdr->p_type];
+
+ /* If we don't know the name of the type we use the number value. */
+ if (phdr->p_type >= PT_NUM)
+ {
+ snprintf (buf, sizeof (buf), "%x", phdr->p_type);
+ p_type = buf;
+ }
+
+ printf ("%3d %-7s %#0*llx %#0*llx %#0*llx %#0*llx %#0*llx %#6llx ",
+ cnt, p_type,
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 17,
+ (unsigned long long int) phdr->p_offset,
+ gelf_getclass (elf) == ELFCLASS32 ? 10 : 18,
+ (unsigned long long int) phdr->p_vaddr,
+ gelf_getclass (elf) == ELFCLASS32 ? 10 : 18,
+ (unsigned long long int) phdr->p_paddr,
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 12,
+ (unsigned long long int) phdr->p_filesz,
+ gelf_getclass (elf) == ELFCLASS32 ? 9 : 12,
+ (unsigned long long int) phdr->p_memsz,
+ (unsigned long long int) phdr->p_align);
+
+ putc_unlocked ((phdr->p_flags & PF_X) ? 'X' : ' ', stdout);
+ putc_unlocked ((phdr->p_flags & PF_W) ? 'W' : ' ', stdout);
+ putc_unlocked ((phdr->p_flags & PF_R) ? 'R' : ' ', stdout);
+
+ putc_unlocked ('\n', stdout);
+
+ if (phdr->p_type == PT_INTERP)
+ {
+ /* We can show the user the name of the interpreter. */
+ size_t maxsize;
+ char *filedata = elf_rawfile (elf, &maxsize);
+
+ if (filedata != NULL && phdr->p_offset < maxsize)
+ printf ("\t[Requesting program interpreter: %s]\n",
+ filedata + phdr->p_offset);
+ }
+ }
+
+ if (elf_end (elf) != 0)
+ {
+ printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
+
+ return 0;
+}