1/*- 2 * Copyright (c) 2006 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/lib/libelf/libelf_align.c 165316 2006-12-18 05:36:23Z jkoshy $"); |
29 30#include <sys/types.h> 31 32#include <machine/elf.h> 33#include <machine/endian.h> 34 35#include <libelf.h> 36#include <osreldate.h> --- 20 unchanged lines hidden (view full) --- 57#define UNSUPPORTED() { \ 58 .a32 = 0, \ 59 .a64 = 0 \ 60 } 61 62static struct align malign[ELF_T_NUM] = { 63 [ELF_T_ADDR] = MALIGN(Addr), 64 [ELF_T_BYTE] = { .a32 = 1, .a64 = 1 }, |
65#if __FreeBSD_version >= 700025 |
66 [ELF_T_CAP] = MALIGN(Cap), 67#endif 68 [ELF_T_DYN] = MALIGN(Dyn), 69 [ELF_T_EHDR] = MALIGN(Ehdr), 70 [ELF_T_HALF] = MALIGN(Half), |
71#if __FreeBSD_version >= 700025 |
72 [ELF_T_LWORD] = MALIGN(Lword), 73 [ELF_T_MOVE] = MALIGN(Move), 74#endif 75 [ELF_T_MOVEP] = UNSUPPORTED(), |
76#if __FreeBSD_version >= 700025 |
77 [ELF_T_NOTE] = MALIGN(Nhdr), 78#endif 79 [ELF_T_OFF] = MALIGN(Off), 80 [ELF_T_PHDR] = MALIGN(Phdr), 81 [ELF_T_REL] = MALIGN(Rel), 82 [ELF_T_RELA] = MALIGN(Rela), 83 [ELF_T_SHDR] = MALIGN(Shdr), 84 [ELF_T_SWORD] = MALIGN(Sword), 85 [ELF_T_SXWORD] = MALIGN64(Sxword), 86 [ELF_T_SYM] = MALIGN(Sym), |
87#if __FreeBSD_version >= 700025 |
88 [ELF_T_SYMINFO] = MALIGN(Syminfo), 89#endif 90#if __FreeBSD_version >= 700009 91 [ELF_T_VDEF] = MALIGN(Verdef), 92 [ELF_T_VNEED] = MALIGN(Verneed), 93#endif 94 [ELF_T_WORD] = MALIGN(Word), 95 [ELF_T_XWORD] = MALIGN64(Xword) --- 9 unchanged lines hidden (view full) --- 105 malign[t].a64); 106} 107 108#define FALIGN(A32,A64) { .a32 = (A32), .a64 = (A64) } 109 110static struct align falign[ELF_T_NUM] = { 111 [ELF_T_ADDR] = FALIGN(4,8), 112 [ELF_T_BYTE] = FALIGN(1,1), |
113#if __FreeBSD_version >= 700025 |
114 [ELF_T_CAP] = FALIGN(4,8), 115#endif 116 [ELF_T_DYN] = FALIGN(4,8), 117 [ELF_T_EHDR] = FALIGN(4,8), 118 [ELF_T_HALF] = FALIGN(2,2), |
119#if __FreeBSD_version >= 700025 |
120 [ELF_T_LWORD] = FALIGN(8,8), 121 [ELF_T_MOVE] = FALIGN(8,8), 122#endif 123 [ELF_T_MOVEP] = UNSUPPORTED(), |
124#if __FreeBSD_version >= 700025 |
125 [ELF_T_NOTE] = FALIGN(4,4), 126#endif 127 [ELF_T_OFF] = FALIGN(4,8), 128 [ELF_T_PHDR] = FALIGN(4,8), 129 [ELF_T_REL] = FALIGN(4,8), 130 [ELF_T_RELA] = FALIGN(4,8), 131 [ELF_T_SHDR] = FALIGN(4,8), 132 [ELF_T_SWORD] = FALIGN(4,4), 133 [ELF_T_SXWORD] = FALIGN(0,8), 134 [ELF_T_SYM] = FALIGN(4,8), |
135#if __FreeBSD_version >= 700025 |
136 [ELF_T_SYMINFO] = FALIGN(2,2), 137#endif 138#if __FreeBSD_version >= 700009 139 [ELF_T_VDEF] = FALIGN(4,4), 140 [ELF_T_VNEED] = FALIGN(4,4), 141#endif 142 [ELF_T_WORD] = FALIGN(4,4), 143 [ELF_T_XWORD] = FALIGN(0,8) 144}; 145 146int 147_libelf_falign(Elf_Type t, int elfclass) 148{ 149 if (t >= ELF_T_NUM || (int) t < 0) 150 return (0); 151 152 return (elfclass == ELFCLASS32 ? falign[t].a32 : 153 falign[t].a64); 154} |