diff options
Diffstat (limited to 'lib/libelf/libelf_align.c')
-rw-r--r-- | lib/libelf/libelf_align.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/lib/libelf/libelf_align.c b/lib/libelf/libelf_align.c deleted file mode 100644 index 870c9b7..0000000 --- a/lib/libelf/libelf_align.c +++ /dev/null @@ -1,164 +0,0 @@ -/*- - * 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 <machine/elf.h> -#include <machine/endian.h> - -#include <libelf.h> -#include <osreldate.h> - -#include "_libelf.h" - -struct align { - int a32; - int a64; -}; - -#ifdef __GNUC__ -#define MALIGN(N) { \ - .a32 = __alignof__(Elf32_##N), \ - .a64 = __alignof__(Elf64_##N) \ - } -#define MALIGN64(V) { \ - .a32 = 0, \ - .a64 = __alignof__(Elf64_##V) \ - } -#define MALIGN_WORD() { \ - .a32 = __alignof__(int32_t), \ - .a64 = __alignof__(int64_t) \ - } -#else -#error Need the __alignof__ builtin. -#endif -#define UNSUPPORTED() { \ - .a32 = 0, \ - .a64 = 0 \ - } - -static struct align malign[ELF_T_NUM] = { - [ELF_T_ADDR] = MALIGN(Addr), - [ELF_T_BYTE] = { .a32 = 1, .a64 = 1 }, -#if __FreeBSD_version >= 700025 - [ELF_T_CAP] = MALIGN(Cap), -#endif - [ELF_T_DYN] = MALIGN(Dyn), - [ELF_T_EHDR] = MALIGN(Ehdr), - [ELF_T_HALF] = MALIGN(Half), -#if __FreeBSD_version >= 700025 - [ELF_T_LWORD] = MALIGN(Lword), - [ELF_T_MOVE] = MALIGN(Move), -#endif - [ELF_T_MOVEP] = UNSUPPORTED(), -#if __FreeBSD_version >= 700025 - [ELF_T_NOTE] = MALIGN(Nhdr), -#endif - [ELF_T_OFF] = MALIGN(Off), - [ELF_T_PHDR] = MALIGN(Phdr), - [ELF_T_REL] = MALIGN(Rel), - [ELF_T_RELA] = MALIGN(Rela), - [ELF_T_SHDR] = MALIGN(Shdr), - [ELF_T_SWORD] = MALIGN(Sword), - [ELF_T_SXWORD] = MALIGN64(Sxword), - [ELF_T_SYM] = MALIGN(Sym), -#if __FreeBSD_version >= 700025 - [ELF_T_SYMINFO] = MALIGN(Syminfo), -#endif -#if __FreeBSD_version >= 700009 - [ELF_T_VDEF] = MALIGN(Verdef), - [ELF_T_VNEED] = MALIGN(Verneed), -#endif - [ELF_T_WORD] = MALIGN(Word), - [ELF_T_XWORD] = MALIGN64(Xword), -#if __FreeBSD_version >= 800062 - [ELF_T_GNUHASH] = MALIGN_WORD() -#endif -}; - -int -_libelf_malign(Elf_Type t, int elfclass) -{ - if (t >= ELF_T_NUM || (int) t < 0) - return (0); - - return (elfclass == ELFCLASS32 ? malign[t].a32 : - malign[t].a64); -} - -#define FALIGN(A32,A64) { .a32 = (A32), .a64 = (A64) } - -static struct align falign[ELF_T_NUM] = { - [ELF_T_ADDR] = FALIGN(4,8), - [ELF_T_BYTE] = FALIGN(1,1), -#if __FreeBSD_version >= 700025 - [ELF_T_CAP] = FALIGN(4,8), -#endif - [ELF_T_DYN] = FALIGN(4,8), - [ELF_T_EHDR] = FALIGN(4,8), - [ELF_T_HALF] = FALIGN(2,2), -#if __FreeBSD_version >= 700025 - [ELF_T_LWORD] = FALIGN(8,8), - [ELF_T_MOVE] = FALIGN(8,8), -#endif - [ELF_T_MOVEP] = UNSUPPORTED(), -#if __FreeBSD_version >= 700025 - [ELF_T_NOTE] = FALIGN(1,1), -#endif - [ELF_T_OFF] = FALIGN(4,8), - [ELF_T_PHDR] = FALIGN(4,8), - [ELF_T_REL] = FALIGN(4,8), - [ELF_T_RELA] = FALIGN(4,8), - [ELF_T_SHDR] = FALIGN(4,8), - [ELF_T_SWORD] = FALIGN(4,4), - [ELF_T_SXWORD] = FALIGN(0,8), - [ELF_T_SYM] = FALIGN(4,8), -#if __FreeBSD_version >= 700025 - [ELF_T_SYMINFO] = FALIGN(2,2), -#endif -#if __FreeBSD_version >= 700009 - [ELF_T_VDEF] = FALIGN(4,4), - [ELF_T_VNEED] = FALIGN(4,4), -#endif - [ELF_T_WORD] = FALIGN(4,4), - [ELF_T_XWORD] = FALIGN(0,8), -#if __FreeBSD_version >= 800062 - [ELF_T_GNUHASH] = FALIGN(4,8) -#endif -}; - -int -_libelf_falign(Elf_Type t, int elfclass) -{ - if (t >= ELF_T_NUM || (int) t < 0) - return (0); - - return (elfclass == ELFCLASS32 ? falign[t].a32 : - falign[t].a64); -} |