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/sectiondump.c b/tests/sectiondump.c
new file mode 100644
index 0000000..3033fed
--- /dev/null
+++ b/tests/sectiondump.c
@@ -0,0 +1,182 @@
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002 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 <error.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+/* Prototypes for local functions. */
+static int handle_section (Elf *elf, Elf_Scn *scn);
+static void print_bytes (Elf_Data *data);
+static void print_symtab (Elf *elf, Elf_Data *data);
+
+
+int
+main (int argc, char *argv[])
+{
+ Elf *elf;
+ int fd;
+ int cnt;
+
+ if (argc <= 1)
+ exit (1);
+
+ /* Open the test file. This is given as the first parameter to the
+ program. */
+ fd = open (argv[1], O_RDONLY);
+ if (fd == -1)
+ error (EXIT_FAILURE, errno, "cannot open input file `%s'", argv[1]);
+
+ /* Set the library versio we expect. */
+ elf_version (EV_CURRENT);
+
+ /* Create the ELF descriptor. */
+ elf = elf_begin (fd, ELF_C_READ, NULL);
+ if (elf == NULL)
+ error (EXIT_FAILURE, 0, "cannot create ELF descriptor: %s",
+ elf_errmsg (0));
+
+ /* Now proces all the sections mentioned in the rest of the command line. */
+ for (cnt = 2; cnt < argc; ++cnt)
+ if (handle_section (elf, elf_getscn (elf, atoi (argv[cnt]))) != 0)
+ /* When we encounter an error stop immediately. */
+ error (EXIT_FAILURE, 0, "while processing section %d: %s", cnt,
+ elf_errmsg (0));
+
+ /* Close the descriptor. */
+ if (elf_end (elf) != 0)
+ error (EXIT_FAILURE, 0, "failure while closing ELF descriptor: %s",
+ elf_errmsg (0));
+
+ return 0;
+}
+
+
+static int
+handle_section (Elf *elf, Elf_Scn *scn)
+{
+ GElf_Ehdr *ehdr;
+ GElf_Ehdr ehdr_mem;
+ GElf_Shdr *shdr;
+ GElf_Shdr shdr_mem;
+ Elf_Data *data;
+
+ /* First get the ELF and section header. */
+ ehdr = gelf_getehdr (elf, &ehdr_mem);
+ shdr = gelf_getshdr (scn, &shdr_mem);
+ if (ehdr == NULL || shdr == NULL)
+ return 1;
+
+ /* Print the information from the ELF section header. */
+ printf ("name = %s\n"
+ "type = %" PRId32 "\n"
+ "flags = %" PRIx64 "\n"
+ "addr = %" PRIx64 "\n"
+ "offset = %" PRIx64 "\n"
+ "size = %" PRId64 "\n"
+ "link = %" PRId32 "\n"
+ "info = %" PRIx32 "\n"
+ "addralign = %" PRIx64 "\n"
+ "entsize = %" PRId64 "\n",
+ elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name),
+ shdr->sh_type,
+ shdr->sh_flags,
+ shdr->sh_addr,
+ shdr->sh_offset,
+ shdr->sh_size,
+ shdr->sh_link,
+ shdr->sh_info,
+ shdr->sh_addralign,
+ shdr->sh_entsize);
+
+ /* Get the section data now. */
+ data = elf_getdata (scn, NULL);
+ if (data == NULL)
+ return 1;
+
+ /* Now proces the different section types accordingly. */
+ switch (shdr->sh_type)
+ {
+ case SHT_SYMTAB:
+ print_symtab (elf, data);
+ break;
+
+ case SHT_PROGBITS:
+ default:
+ print_bytes (data);
+ break;
+ }
+
+ /* Separate form the next section. */
+ puts ("");
+
+ /* All done correctly. */
+ return 0;
+}
+
+
+static void
+print_bytes (Elf_Data *data)
+{
+ size_t size = data->d_size;
+ off_t offset = data->d_off;
+ unsigned char *buf = (unsigned char *) data->d_buf;
+ size_t cnt;
+
+ for (cnt = 0; cnt < size; cnt += 16)
+ {
+ size_t inner;
+
+ printf ("%*zx: ", sizeof (size_t) == 4 ? 8 : 16, (size_t) offset + cnt);
+
+ for (inner = 0; inner < 16 && cnt + inner < size; ++inner)
+ printf (" %02hhx", buf[cnt + inner]);
+
+ puts ("");
+ }
+}
+
+
+static void
+print_symtab (Elf *elf, Elf_Data *data)
+{
+ int class = gelf_getclass (elf);
+ size_t nsym = data->d_size / (class == ELFCLASS32
+ ? sizeof (Elf32_Sym) : sizeof (Elf64_Sym));
+ size_t cnt;
+
+ for (cnt = 0; cnt < nsym; ++cnt)
+ {
+ GElf_Sym sym_mem;
+ GElf_Sym *sym = gelf_getsym (data, cnt, &sym_mem);
+
+ printf ("%5zu: %*" PRIx64 " %6" PRIx64 " %4d\n",
+ cnt,
+ class == ELFCLASS32 ? 8 : 16,
+ sym->st_value,
+ sym->st_size,
+ GELF_ST_TYPE (sym->st_info));
+ }
+}