diff options
author | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
---|---|---|
committer | jkoshy <jkoshy@FreeBSD.org> | 2006-11-11 17:16:35 +0000 |
commit | 62913629e64cdad23072cfd4ad8340f4c0b91ec5 (patch) | |
tree | c2ad604787a38d6ad26a0bffea71f283f73e901d /lib/libelf/libelf_msize.m4 | |
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/libelf_msize.m4')
-rw-r--r-- | lib/libelf/libelf_msize.m4 | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/lib/libelf/libelf_msize.m4 b/lib/libelf/libelf_msize.m4 new file mode 100644 index 0000000..cb0e2bb --- /dev/null +++ b/lib/libelf/libelf_msize.m4 @@ -0,0 +1,112 @@ +/*- + * 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 <sys/types.h> +#include <sys/elf32.h> +#include <sys/elf64.h> + +#include <assert.h> +#include <libelf.h> +#include <string.h> + +#include "_libelf.h" + +/* WARNING: GENERATED FROM __file__. */ + +struct msize { + size_t msz32; + size_t msz64; +}; + +divert(-1) +include(SRCDIR`/elf_types.m4') + +define(BYTE_SIZE, 1) +define(NOTE_SIZE, 1) + +/* + * Unimplemented types. + */ +define(MOVEP_SIZE, 0) +define(SXWORD_SIZE32, 0) +define(XWORD_SIZE32, 0) + +ifelse(eval(OSRELDATE < 700009),1, + `define(`CAP_SIZE', 0) + define(`LWORD_SIZE', 0) + define(`MOVE_SIZE', 0) + define(`SYMINFO_SIZE', 0) + define(`VDEF_SIZE', 0) + define(`VNEED_SIZE', 0)',`') + +define(`DEFINE_ELF_MSIZE', + `ifdef($1`_SIZE', + `define($1_SIZE32,$1_SIZE) + define($1_SIZE64,$1_SIZE)', + `ifdef($1`_SIZE32',`', + `define($1_SIZE32,sizeof(Elf32_$2))') + ifdef($1`_SIZE64',`', + `define($1_SIZE64,sizeof(Elf64_$2))')')') +define(`DEFINE_ELF_MSIZES', + `ifelse($#,1,`', + `DEFINE_ELF_MSIZE($1) + DEFINE_ELF_MSIZES(shift($@))')') + +DEFINE_ELF_MSIZES(ELF_TYPE_LIST) + +define(`MSIZE', + `[ELF_T_$1] = { .msz32 = $1_SIZE32, .msz64 = $1_SIZE64 },') +define(`MSIZES', + `ifelse($#,1,`', + `MSIZE($1) +MSIZES(shift($@))')') + +divert(0) + +static struct msize msize[ELF_T_NUM] = { +MSIZES(ELF_TYPE_LIST) +}; + +size_t +_libelf_msize(Elf_Type t, int elfclass, unsigned int version) +{ + size_t sz; + + assert(elfclass == ELFCLASS32 || elfclass == ELFCLASS64); + assert((signed) t >= ELF_T_FIRST && t <= ELF_T_LAST); + + if (version != EV_CURRENT) { + LIBELF_SET_ERROR(VERSION, 0); + return (0); + } + + sz = (elfclass == ELFCLASS32) ? msize[t].msz32 : msize[t].msz64; + + return (sz); +} |