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/ecp.c b/tests/ecp.c
new file mode 100644
index 0000000..38a6859
--- /dev/null
+++ b/tests/ecp.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 2002, 2005 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <gelf.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main (int argc, char *argv[])
+{
+ if (argc < 3)
+ error (EXIT_FAILURE, 0, "usage: %s FROMNAME TONAME", argv[0]);
+
+ elf_version (EV_CURRENT);
+
+ int infd = open (argv[1], O_RDONLY);
+ if (infd == -1)
+ error (EXIT_FAILURE, errno, "cannot open input file '%s'", argv[1]);
+
+ Elf *inelf = elf_begin (infd, ELF_C_READ, NULL);
+ if (inelf == NULL)
+ error (EXIT_FAILURE, 0, "problems opening '%s' as ELF file: %s",
+ argv[1], elf_errmsg (-1));
+
+ int outfd = creat (argv[2], 0666);
+ if (outfd == -1)
+ error (EXIT_FAILURE, errno, "cannot open output file '%s'", argv[2]);
+
+ Elf *outelf = elf_begin (outfd, ELF_C_WRITE, NULL);
+ if (outelf == NULL)
+ error (EXIT_FAILURE, 0, "problems opening '%s' as ELF file: %s",
+ argv[2], elf_errmsg (-1));
+
+ gelf_newehdr (outelf, gelf_getclass (inelf));
+
+ GElf_Ehdr ehdr_mem;
+ GElf_Ehdr *ehdr;
+ gelf_update_ehdr (outelf, (ehdr = gelf_getehdr (inelf, &ehdr_mem)));
+
+ if (ehdr->e_phnum > 0)
+ {
+ int cnt;
+
+ if (gelf_newphdr (outelf, ehdr->e_phnum) == 0)
+ error (EXIT_FAILURE, 0, "cannot create program header: %s",
+ elf_errmsg (-1));
+
+ for (cnt = 0; cnt < ehdr->e_phnum; ++cnt)
+ {
+ GElf_Phdr phdr_mem;
+
+ gelf_update_phdr (outelf, cnt, gelf_getphdr (inelf, cnt, &phdr_mem));
+ }
+ }
+
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (inelf, scn)) != NULL)
+ {
+ Elf_Scn *newscn = elf_newscn (outelf);
+
+ GElf_Shdr shdr_mem;
+ gelf_update_shdr (newscn, gelf_getshdr (scn, &shdr_mem));
+
+ *elf_newdata (newscn) = *elf_getdata (scn, NULL);
+ }
+
+ elf_flagelf (outelf, ELF_C_SET, ELF_F_LAYOUT);
+
+ if (elf_update (outelf, ELF_C_WRITE) == -1)
+ error (EXIT_FAILURE, 0, "elf_update failed: %s", elf_errmsg (-1));
+
+ elf_end (outelf);
+ close (outfd);
+
+ elf_end (inelf);
+
+ return 0;
+}