1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _GELF_H 28 #define _GELF_H 29 30 #include <sys/feature_tests.h> 31 32 #include <libelf.h> 33 #include <sys/link.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 40 #if !defined(_INT64_TYPE) 41 #error "64-bit integer types are required by gelf." 42 #endif 43 44 /* 45 * Class-independent ELF API for Elf utilities. This is 46 * for manipulating Elf32 and Elf64 specific information 47 * in a format common to both classes. 48 */ 49 50 typedef Elf64_Addr GElf_Addr; 51 typedef Elf64_Half GElf_Half; 52 typedef Elf64_Off GElf_Off; 53 typedef Elf64_Sword GElf_Sword; 54 typedef Elf64_Sxword GElf_Sxword; 55 typedef Elf64_Word GElf_Word; 56 typedef Elf64_Xword GElf_Xword; 57 58 typedef Elf64_Ehdr GElf_Ehdr; 59 typedef Elf64_Move GElf_Move; 60 typedef Elf64_Phdr GElf_Phdr; 61 typedef Elf64_Shdr GElf_Shdr; 62 typedef Elf64_Sym GElf_Sym; 63 typedef Elf64_Syminfo GElf_Syminfo; 64 typedef Elf64_Rela GElf_Rela; 65 typedef Elf64_Rel GElf_Rel; 66 typedef Elf64_Dyn GElf_Dyn; 67 typedef Elf64_Cap GElf_Cap; 68 69 /* 70 * The processing of versioning information can stay the 71 * same because both the Elf32 and Elf64 structures are 72 * of equal sizes. 73 */ 74 typedef Elf64_Verdef GElf_Verdef; 75 typedef Elf64_Verdaux GElf_Verdaux; 76 typedef Elf64_Verneed GElf_Verneed; 77 typedef Elf64_Vernaux GElf_Vernaux; 78 typedef Elf64_Versym GElf_Versym; 79 80 /* 81 * move.m_info is encoded using the 64bit fields in Gelf. 82 */ 83 #define GELF_M_SYM ELF64_M_SYM 84 #define GELF_M_SIZE ELF64_M_SIZE 85 86 /* 87 * sym.st_info field is same size for Elf32 and Elf64. 88 */ 89 #define GELF_ST_BIND ELF64_ST_BIND 90 #define GELF_ST_TYPE ELF64_ST_TYPE 91 #define GELF_ST_INFO ELF64_ST_INFO 92 93 94 /* 95 * Elf64 r_info may have data field in type id's word, 96 * so GELF_R_TYPE is defined as ELF64_R_TYPE_ID in order 97 * to isolate the proper bits for the true type id. 98 */ 99 #define GELF_R_TYPE ELF64_R_TYPE_ID 100 #define GELF_R_SYM ELF64_R_SYM 101 #define GELF_R_INFO ELF64_R_INFO 102 #define GELF_R_TYPE_DATA ELF64_R_TYPE_DATA 103 #define GELF_R_TYPE_ID ELF64_R_TYPE_ID 104 #define GELF_R_TYPE_INFO ELF64_R_TYPE_INFO 105 106 107 108 int gelf_getclass(Elf*); 109 size_t gelf_fsize(Elf *, Elf_Type, size_t, uint_t); 110 GElf_Ehdr * gelf_getehdr(Elf *, GElf_Ehdr *); 111 int gelf_update_ehdr(Elf *, GElf_Ehdr *); 112 unsigned long gelf_newehdr(Elf *, int); 113 GElf_Phdr * gelf_getphdr(Elf *, int, GElf_Phdr *); 114 int gelf_update_phdr(Elf *, int, GElf_Phdr *); 115 unsigned long gelf_newphdr(Elf *, size_t); 116 GElf_Shdr * gelf_getshdr(Elf_Scn *, GElf_Shdr *); 117 int gelf_update_shdr(Elf_Scn *, GElf_Shdr *); 118 Elf_Data * gelf_xlatetof(Elf *, Elf_Data *, const Elf_Data *, uint_t); 119 Elf_Data * gelf_xlatetom(Elf *, Elf_Data *, const Elf_Data *, uint_t); 120 GElf_Sym * gelf_getsym(Elf_Data *, int, GElf_Sym *); 121 int gelf_update_sym(Elf_Data *, int, GElf_Sym *); 122 GElf_Sym * gelf_getsymshndx(Elf_Data *, Elf_Data *, int, GElf_Sym *, 123 Elf32_Word *); 124 int gelf_update_symshndx(Elf_Data *, Elf_Data *, int, GElf_Sym *, 125 Elf32_Word); 126 GElf_Syminfo * gelf_getsyminfo(Elf_Data *, int, GElf_Syminfo *); 127 int gelf_update_syminfo(Elf_Data *, int, GElf_Syminfo *); 128 GElf_Move * gelf_getmove(Elf_Data *, int, GElf_Move *); 129 int gelf_update_move(Elf_Data *, int, GElf_Move *); 130 GElf_Dyn * gelf_getdyn(Elf_Data *, int, GElf_Dyn *); 131 int gelf_update_dyn(Elf_Data *, int, GElf_Dyn *); 132 GElf_Rela * gelf_getrela(Elf_Data *, int, GElf_Rela *); 133 int gelf_update_rela(Elf_Data *, int, GElf_Rela *); 134 GElf_Rel * gelf_getrel(Elf_Data *, int, GElf_Rel *); 135 int gelf_update_rel(Elf_Data *, int, GElf_Rel *); 136 long gelf_checksum(Elf *); 137 GElf_Cap * gelf_getcap(Elf_Data *, int, GElf_Cap *); 138 int gelf_update_cap(Elf_Data *, int, GElf_Cap *); 139 140 141 #ifdef __cplusplus 142 } 143 #endif 144 145 #endif /* _GELF_H */ 146