64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*-
|
|
* Copyright (c) 2018 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 <assert.h>
|
|
#include <libelf.h>
|
|
|
|
#include "_libelf.h"
|
|
|
|
ELFTC_VCSID("$Id: libelf_elfmachine.c,v 1.1 2019/02/01 05:27:38 jsg Exp $");
|
|
|
|
/*
|
|
* A convenience helper that returns the ELF machine architecture for
|
|
* a ELF descriptor.
|
|
*/
|
|
int
|
|
_libelf_elfmachine(Elf *e)
|
|
{
|
|
Elf32_Ehdr *eh32;
|
|
Elf64_Ehdr *eh64;
|
|
|
|
if (!e)
|
|
return EM_NONE;
|
|
|
|
assert(e->e_kind == ELF_K_ELF);
|
|
assert(e->e_class != ELFCLASSNONE);
|
|
|
|
eh32 = NULL;
|
|
eh64 = NULL;
|
|
|
|
switch (e->e_class) {
|
|
case ELFCLASS32:
|
|
eh32 = e->e_u.e_elf.e_ehdr.e_ehdr32;
|
|
return eh32 ? eh32->e_machine : EM_NONE;
|
|
case ELFCLASS64:
|
|
eh64 = e->e_u.e_elf.e_ehdr.e_ehdr64;
|
|
return eh64 ? eh64->e_machine : EM_NONE;
|
|
}
|
|
|
|
return (EM_NONE);
|
|
}
|