diff options
Diffstat (limited to 'ext/libelf/elf_phnum.c')
-rw-r--r-- | ext/libelf/elf_phnum.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ext/libelf/elf_phnum.c b/ext/libelf/elf_phnum.c new file mode 100644 index 000000000..0f0c5aa51 --- /dev/null +++ b/ext/libelf/elf_phnum.c @@ -0,0 +1,51 @@ +/*- + * Copyright (c) 2006 Joseph Koshy + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + +#include <ar.h> +#include "libelf.h" + +#include "_libelf.h" + +int +elf_getphnum(Elf *e, size_t *phnum) +{ + void *eh; + int ec; + + if (e == NULL || e->e_kind != ELF_K_ELF || + ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) { + LIBELF_SET_ERROR(ARGUMENT, 0); + return (0); + } + + if ((eh = _libelf_ehdr(e, ec, 0)) == NULL) + return (0); + + *phnum = e->e_u.e_elf.e_nphdr; + + return (1); +} |