/*- * Copyright (c) 2006,2008 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. * * $Id: elf_types.m4 321 2009-03-07 16:59:14Z jkoshy $ */ /* * ELF types, defined in the "enum Elf_Type" API. * * The members of the list form a 2-tuple: (name, C-type-suffix). * + name is an Elf_Type symbol without the ELF_T_ prefix. * + C-type-suffix is the suffix for Elf32_ and Elf64_ type names. */ /* * DEFINE_STRUCT(NAME,MEMBERLIST...) * * Map a type name to its members. * * Each member-list element comprises of pairs of (field name, type), * in the sequence used in the file representation of NAME. * * Each member list element comprises a pair containing a field name * and a basic type. Basic types include IDENT, HALF, WORD, LWORD, * ADDR{32,64}, OFF{32,64}, SWORD, XWORD, SXWORD. * * The last element of a member list is the null element: _,_. */ /*- * Copyright (c) 2006,2008-2011 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 #include "_libelf.h" ELFTC_VCSID("$Id: libelf_fsize.m4 2225 2011-11-26 18:55:54Z jkoshy $"); /* WARNING: GENERATED FROM libelf_fsize.m4. */ /* * Create an array of file sizes from the elf_type definitions */ struct fsize { size_t fsz32; size_t fsz64; }; static struct fsize fsize[ELF_T_NUM] = { [ELF_T_ADDR] = { .fsz32 = sizeof(Elf32_Addr), .fsz64 = sizeof(Elf64_Addr) }, [ELF_T_BYTE] = { .fsz32 = 1, .fsz64 = 1 }, [ELF_T_CAP] = { .fsz32 = sizeof(Elf32_Word)+sizeof(Elf32_Word)+0, .fsz64 = sizeof(Elf64_Xword)+sizeof(Elf64_Xword)+0 }, [ELF_T_DYN] = { .fsz32 = sizeof(Elf32_Sword)+sizeof(Elf32_Word)+0, .fsz64 = sizeof(Elf64_Sxword)+sizeof(Elf64_Xword)+0 }, [ELF_T_EHDR] = { .fsz32 = EI_NIDENT+sizeof(Elf32_Half)+sizeof(Elf32_Half)+sizeof(Elf32_Word)+sizeof(Elf32_Addr)+sizeof(Elf32_Off)+sizeof(Elf32_Off)+sizeof(Elf32_Word)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+0, .fsz64 = EI_NIDENT+sizeof(Elf64_Half)+sizeof(Elf64_Half)+sizeof(Elf64_Word)+sizeof(Elf64_Addr)+sizeof(Elf64_Off)+sizeof(Elf64_Off)+sizeof(Elf64_Word)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+0 }, [ELF_T_GNUHASH] = { .fsz32 = 1, .fsz64 = 1 }, [ELF_T_HALF] = { .fsz32 = sizeof(Elf32_Half), .fsz64 = sizeof(Elf64_Half) }, [ELF_T_LWORD] = { .fsz32 = sizeof(Elf32_Lword), .fsz64 = sizeof(Elf64_Lword) }, [ELF_T_MOVE] = { .fsz32 = sizeof(Elf32_Lword)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Half)+sizeof(Elf32_Half)+0, .fsz64 = sizeof(Elf64_Lword)+sizeof(Elf64_Xword)+sizeof(Elf64_Xword)+sizeof(Elf64_Half)+sizeof(Elf64_Half)+0 }, [ELF_T_MOVEP] = { .fsz32 = 0, .fsz64 = 0 }, [ELF_T_NOTE] = { .fsz32 = 1, .fsz64 = 1 }, [ELF_T_OFF] = { .fsz32 = sizeof(Elf32_Off), .fsz64 = sizeof(Elf64_Off) }, [ELF_T_PHDR] = { .fsz32 = sizeof(Elf32_Word)+sizeof(Elf32_Off)+sizeof(Elf32_Addr)+sizeof(Elf32_Addr)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+0, .fsz64 = sizeof(Elf64_Word)+sizeof(Elf64_Word)+sizeof(Elf64_Off)+sizeof(Elf64_Addr)+sizeof(Elf64_Addr)+sizeof(Elf64_Xword)+sizeof(Elf64_Xword)+sizeof(Elf64_Xword)+0 }, [ELF_T_REL] = { .fsz32 = sizeof(Elf32_Addr)+sizeof(Elf32_Word)+0, .fsz64 = sizeof(Elf64_Addr)+sizeof(Elf64_Xword)+0 }, [ELF_T_RELA] = { .fsz32 = sizeof(Elf32_Addr)+sizeof(Elf32_Word)+sizeof(Elf32_Sword)+0, .fsz64 = sizeof(Elf64_Addr)+sizeof(Elf64_Xword)+sizeof(Elf64_Sxword)+0 }, [ELF_T_SHDR] = { .fsz32 = sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Addr)+sizeof(Elf32_Off)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+sizeof(Elf32_Word)+0, .fsz64 = sizeof(Elf64_Word)+sizeof(Elf64_Word)+sizeof(Elf64_Xword)+sizeof(Elf64_Addr)+sizeof(Elf64_Off)+sizeof(Elf64_Xword)+sizeof(Elf64_Word)+sizeof(Elf64_Word)+sizeof(Elf64_Xword)+sizeof(Elf64_Xword)+0 }, [ELF_T_SWORD] = { .fsz32 = sizeof(Elf32_Sword), .fsz64 = sizeof(Elf64_Sword) }, [ELF_T_SXWORD] = { .fsz32 = 0, .fsz64 = sizeof(Elf64_Sxword) }, [ELF_T_SYMINFO] = { .fsz32 = sizeof(Elf32_Half)+sizeof(Elf32_Half)+0, .fsz64 = sizeof(Elf64_Half)+sizeof(Elf64_Half)+0 }, [ELF_T_SYM] = { .fsz32 = sizeof(Elf32_Word)+sizeof(Elf32_Addr)+sizeof(Elf32_Word)+1+1+sizeof(Elf32_Half)+0, .fsz64 = sizeof(Elf64_Word)+1+1+sizeof(Elf64_Half)+sizeof(Elf64_Addr)+sizeof(Elf64_Xword)+0 }, [ELF_T_VDEF] = { .fsz32 = 1, .fsz64 = 1 }, [ELF_T_VNEED] = { .fsz32 = 1, .fsz64 = 1 }, [ELF_T_WORD] = { .fsz32 = sizeof(Elf32_Word), .fsz64 = sizeof(Elf64_Word) }, [ELF_T_XWORD] = { .fsz32 = 0, .fsz64 = sizeof(Elf64_Xword) }, }; size_t _libelf_fsize(Elf_Type t, int ec, unsigned int v, size_t c) { size_t sz; sz = 0; if (v != EV_CURRENT) LIBELF_SET_ERROR(VERSION, 0); else if ((int) t < ELF_T_FIRST || t > ELF_T_LAST) LIBELF_SET_ERROR(ARGUMENT, 0); else { sz = ec == ELFCLASS64 ? fsize[t].fsz64 : fsize[t].fsz32; if (sz == 0) LIBELF_SET_ERROR(UNIMPL, 0); } return (sz*c); }