diff options
author | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
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committer | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
commit | 62913629e64cdad23072cfd4ad8340f4c0b91ec5 (patch) | |
tree | c2ad604787a38d6ad26a0bffea71f283f73e901d /lib/libelf/elf_cntl.c | |
parent | c51a2c2df9d95524e4fec5b0ec36ca0a9f503823 (diff) | |
download | FreeBSD-src-62913629e64cdad23072cfd4ad8340f4c0b91ec5.zip FreeBSD-src-62913629e64cdad23072cfd4ad8340f4c0b91ec5.tar.gz |
MFP4: Add an implementation of the ELF(3) and GELF(3) API set.
Bump __FreeBSD_version.
Reviewed by: jb
Diffstat (limited to 'lib/libelf/elf_cntl.c')
-rw-r--r-- | lib/libelf/elf_cntl.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/libelf/elf_cntl.c b/lib/libelf/elf_cntl.c new file mode 100644 index 0000000..9fbd5c7 --- /dev/null +++ b/lib/libelf/elf_cntl.c @@ -0,0 +1,59 @@ +/*- + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <libelf.h> + +#include "_libelf.h" + +int +elf_cntl(Elf *e, Elf_Cmd c) +{ + if (e == NULL || + (c != ELF_C_FDDONE && c != ELF_C_FDREAD)) { + LIBELF_SET_ERROR(ARGUMENT, 0); + return (-1); + } + + if (e->e_parent) { + LIBELF_SET_ERROR(ARCHIVE, 0); + return (-1); + } + + if (c == ELF_C_FDREAD) { + if (e->e_cmd == ELF_C_WRITE) { + LIBELF_SET_ERROR(MODE, 0); + return (-1); + } + else + return (0); + } + + e->e_fd = -1; + return 0; +} |