1*5ac3bc71Schristos /* $NetBSD: elf_open.c,v 1.4 2024/03/03 17:37:33 christos Exp $ */
2e81373b4Schristos
39dd9d0cfSchristos /*-
49dd9d0cfSchristos * Copyright (c) 2011 Joseph Koshy
59dd9d0cfSchristos * All rights reserved.
69dd9d0cfSchristos *
79dd9d0cfSchristos * Redistribution and use in source and binary forms, with or without
89dd9d0cfSchristos * modification, are permitted provided that the following conditions
99dd9d0cfSchristos * are met:
109dd9d0cfSchristos * 1. Redistributions of source code must retain the above copyright
119dd9d0cfSchristos * notice, this list of conditions and the following disclaimer.
129dd9d0cfSchristos * 2. Redistributions in binary form must reproduce the above copyright
139dd9d0cfSchristos * notice, this list of conditions and the following disclaimer in the
149dd9d0cfSchristos * documentation and/or other materials provided with the distribution.
159dd9d0cfSchristos *
169dd9d0cfSchristos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
179dd9d0cfSchristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
189dd9d0cfSchristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199dd9d0cfSchristos * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
209dd9d0cfSchristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
219dd9d0cfSchristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
229dd9d0cfSchristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
239dd9d0cfSchristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
249dd9d0cfSchristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
259dd9d0cfSchristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
269dd9d0cfSchristos * SUCH DAMAGE.
279dd9d0cfSchristos */
289dd9d0cfSchristos
29*5ac3bc71Schristos #include <sys/cdefs.h>
30*5ac3bc71Schristos
319dd9d0cfSchristos #include <libelf.h>
329dd9d0cfSchristos
339dd9d0cfSchristos #include "_libelf.h"
349dd9d0cfSchristos
35*5ac3bc71Schristos __RCSID("$NetBSD: elf_open.c,v 1.4 2024/03/03 17:37:33 christos Exp $");
36*5ac3bc71Schristos ELFTC_VCSID("Id: elf_open.c 3977 2022-05-01 06:45:34Z jkoshy");
379dd9d0cfSchristos
389dd9d0cfSchristos /*
399dd9d0cfSchristos * Extension API: open a file for reading, ignoring parse errors.
409dd9d0cfSchristos */
419dd9d0cfSchristos
429dd9d0cfSchristos Elf *
elf_open(int fd)439dd9d0cfSchristos elf_open(int fd)
449dd9d0cfSchristos {
459dd9d0cfSchristos if (LIBELF_PRIVATE(version) == EV_NONE) {
469dd9d0cfSchristos LIBELF_SET_ERROR(SEQUENCE, 0);
479dd9d0cfSchristos return (NULL);
489dd9d0cfSchristos }
499dd9d0cfSchristos
509dd9d0cfSchristos return (_libelf_open_object(fd, ELF_C_READ, 0));
519dd9d0cfSchristos }
529dd9d0cfSchristos
539dd9d0cfSchristos /*
549dd9d0cfSchristos * Extension API: create an ELF descriptor for an in-memory object,
559dd9d0cfSchristos * ignoring parse errors.
569dd9d0cfSchristos */
579dd9d0cfSchristos
589dd9d0cfSchristos Elf *
elf_openmemory(char * image,size_t sz)599dd9d0cfSchristos elf_openmemory(char *image, size_t sz)
609dd9d0cfSchristos {
619dd9d0cfSchristos if (LIBELF_PRIVATE(version) == EV_NONE) {
629dd9d0cfSchristos LIBELF_SET_ERROR(SEQUENCE, 0);
639dd9d0cfSchristos return (NULL);
649dd9d0cfSchristos }
659dd9d0cfSchristos
669dd9d0cfSchristos if (image == NULL || sz == 0) {
679dd9d0cfSchristos LIBELF_SET_ERROR(ARGUMENT, 0);
689dd9d0cfSchristos return (NULL);
699dd9d0cfSchristos }
709dd9d0cfSchristos
7142bd3019Schristos return (_libelf_memory((unsigned char *) image, sz, 0));
729dd9d0cfSchristos }
73