18fe960a1SDavid E. O'Brien /*- 20529c56bSDavid E. O'Brien * Copyright (c) 2003 David O'Brien. All rights reserved. 38fe960a1SDavid E. O'Brien * Copyright (c) 2001 Jake Burkholder 48fe960a1SDavid E. O'Brien * All rights reserved. 58fe960a1SDavid E. O'Brien * 68fe960a1SDavid E. O'Brien * Redistribution and use in source and binary forms, with or without 78fe960a1SDavid E. O'Brien * modification, are permitted provided that the following conditions 88fe960a1SDavid E. O'Brien * are met: 98fe960a1SDavid E. O'Brien * 1. Redistributions of source code must retain the above copyright 108fe960a1SDavid E. O'Brien * notice, this list of conditions and the following disclaimer. 118fe960a1SDavid E. O'Brien * 2. Redistributions in binary form must reproduce the above copyright 128fe960a1SDavid E. O'Brien * notice, this list of conditions and the following disclaimer in the 138fe960a1SDavid E. O'Brien * documentation and/or other materials provided with the distribution. 148fe960a1SDavid E. O'Brien * 158fe960a1SDavid E. O'Brien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 168fe960a1SDavid E. O'Brien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 178fe960a1SDavid E. O'Brien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 188fe960a1SDavid E. O'Brien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 198fe960a1SDavid E. O'Brien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 208fe960a1SDavid E. O'Brien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 218fe960a1SDavid E. O'Brien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 228fe960a1SDavid E. O'Brien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 238fe960a1SDavid E. O'Brien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 248fe960a1SDavid E. O'Brien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 258fe960a1SDavid E. O'Brien * SUCH DAMAGE. 268fe960a1SDavid E. O'Brien */ 278fe960a1SDavid E. O'Brien 288fe960a1SDavid E. O'Brien #include <sys/cdefs.h> 298fe960a1SDavid E. O'Brien __FBSDID("$FreeBSD$"); 308fe960a1SDavid E. O'Brien 318fe960a1SDavid E. O'Brien #include <sys/types.h> 328fe960a1SDavid E. O'Brien #include <sys/elf32.h> 338fe960a1SDavid E. O'Brien #include <sys/elf64.h> 34ac2ded1dSMarcel Moolenaar #include <sys/endian.h> 358fe960a1SDavid E. O'Brien #include <sys/mman.h> 368fe960a1SDavid E. O'Brien #include <sys/stat.h> 378fe960a1SDavid E. O'Brien #include <err.h> 388fe960a1SDavid E. O'Brien #include <fcntl.h> 3975ca4dcfSDavid E. O'Brien #include <inttypes.h> 408fe960a1SDavid E. O'Brien #include <stddef.h> 418fe960a1SDavid E. O'Brien #include <stdio.h> 428fe960a1SDavid E. O'Brien #include <stdlib.h> 438fe960a1SDavid E. O'Brien #include <string.h> 448fe960a1SDavid E. O'Brien #include <unistd.h> 458fe960a1SDavid E. O'Brien 468fe960a1SDavid E. O'Brien #define ED_DYN (1<<0) 478fe960a1SDavid E. O'Brien #define ED_EHDR (1<<1) 488fe960a1SDavid E. O'Brien #define ED_GOT (1<<2) 498fe960a1SDavid E. O'Brien #define ED_HASH (1<<3) 508fe960a1SDavid E. O'Brien #define ED_INTERP (1<<4) 518fe960a1SDavid E. O'Brien #define ED_NOTE (1<<5) 528fe960a1SDavid E. O'Brien #define ED_PHDR (1<<6) 538fe960a1SDavid E. O'Brien #define ED_REL (1<<7) 548fe960a1SDavid E. O'Brien #define ED_SHDR (1<<8) 558fe960a1SDavid E. O'Brien #define ED_SYMTAB (1<<9) 568fe960a1SDavid E. O'Brien #define ED_ALL ((1<<10)-1) 578fe960a1SDavid E. O'Brien 588fe960a1SDavid E. O'Brien #define elf_get_addr elf_get_quad 598fe960a1SDavid E. O'Brien #define elf_get_off elf_get_quad 608fe960a1SDavid E. O'Brien #define elf_get_size elf_get_quad 618fe960a1SDavid E. O'Brien 628fe960a1SDavid E. O'Brien enum elf_member { 638fe960a1SDavid E. O'Brien D_TAG = 1, D_PTR, D_VAL, 648fe960a1SDavid E. O'Brien 658fe960a1SDavid E. O'Brien E_CLASS, E_DATA, E_OSABI, E_TYPE, E_MACHINE, E_VERSION, E_ENTRY, 668fe960a1SDavid E. O'Brien E_PHOFF, E_SHOFF, E_FLAGS, E_EHSIZE, E_PHENTSIZE, E_PHNUM, E_SHENTSIZE, 678fe960a1SDavid E. O'Brien E_SHNUM, E_SHSTRNDX, 688fe960a1SDavid E. O'Brien 698fe960a1SDavid E. O'Brien N_NAMESZ, N_DESCSZ, N_TYPE, 708fe960a1SDavid E. O'Brien 718fe960a1SDavid E. O'Brien P_TYPE, P_OFFSET, P_VADDR, P_PADDR, P_FILESZ, P_MEMSZ, P_FLAGS, 728fe960a1SDavid E. O'Brien P_ALIGN, 738fe960a1SDavid E. O'Brien 748fe960a1SDavid E. O'Brien SH_NAME, SH_TYPE, SH_FLAGS, SH_ADDR, SH_OFFSET, SH_SIZE, SH_LINK, 758fe960a1SDavid E. O'Brien SH_INFO, SH_ADDRALIGN, SH_ENTSIZE, 768fe960a1SDavid E. O'Brien 778fe960a1SDavid E. O'Brien ST_NAME, ST_VALUE, ST_SIZE, ST_INFO, ST_SHNDX, 788fe960a1SDavid E. O'Brien 798fe960a1SDavid E. O'Brien R_OFFSET, R_INFO, 808fe960a1SDavid E. O'Brien 818fe960a1SDavid E. O'Brien RA_OFFSET, RA_INFO, RA_ADDEND 828fe960a1SDavid E. O'Brien }; 838fe960a1SDavid E. O'Brien 848fe960a1SDavid E. O'Brien typedef enum elf_member elf_member_t; 858fe960a1SDavid E. O'Brien 86bf70beceSEd Schouten static int elf32_offsets[] = { 878fe960a1SDavid E. O'Brien 0, 888fe960a1SDavid E. O'Brien 898fe960a1SDavid E. O'Brien offsetof(Elf32_Dyn, d_tag), offsetof(Elf32_Dyn, d_un.d_ptr), 908fe960a1SDavid E. O'Brien offsetof(Elf32_Dyn, d_un.d_val), 918fe960a1SDavid E. O'Brien 928fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_CLASS]), 938fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_DATA]), 948fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_OSABI]), 958fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_type), offsetof(Elf32_Ehdr, e_machine), 968fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_version), offsetof(Elf32_Ehdr, e_entry), 978fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_phoff), offsetof(Elf32_Ehdr, e_shoff), 988fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_flags), offsetof(Elf32_Ehdr, e_ehsize), 998fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_phentsize), offsetof(Elf32_Ehdr, e_phnum), 1008fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_shentsize), offsetof(Elf32_Ehdr, e_shnum), 1018fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_shstrndx), 1028fe960a1SDavid E. O'Brien 1038fe960a1SDavid E. O'Brien offsetof(Elf_Note, n_namesz), offsetof(Elf_Note, n_descsz), 1048fe960a1SDavid E. O'Brien offsetof(Elf_Note, n_type), 1058fe960a1SDavid E. O'Brien 1068fe960a1SDavid E. O'Brien offsetof(Elf32_Phdr, p_type), offsetof(Elf32_Phdr, p_offset), 1078fe960a1SDavid E. O'Brien offsetof(Elf32_Phdr, p_vaddr), offsetof(Elf32_Phdr, p_paddr), 1088fe960a1SDavid E. O'Brien offsetof(Elf32_Phdr, p_filesz), offsetof(Elf32_Phdr, p_memsz), 1098fe960a1SDavid E. O'Brien offsetof(Elf32_Phdr, p_flags), offsetof(Elf32_Phdr, p_align), 1108fe960a1SDavid E. O'Brien 1118fe960a1SDavid E. O'Brien offsetof(Elf32_Shdr, sh_name), offsetof(Elf32_Shdr, sh_type), 1128fe960a1SDavid E. O'Brien offsetof(Elf32_Shdr, sh_flags), offsetof(Elf32_Shdr, sh_addr), 1138fe960a1SDavid E. O'Brien offsetof(Elf32_Shdr, sh_offset), offsetof(Elf32_Shdr, sh_size), 1148fe960a1SDavid E. O'Brien offsetof(Elf32_Shdr, sh_link), offsetof(Elf32_Shdr, sh_info), 1158fe960a1SDavid E. O'Brien offsetof(Elf32_Shdr, sh_addralign), offsetof(Elf32_Shdr, sh_entsize), 1168fe960a1SDavid E. O'Brien 1178fe960a1SDavid E. O'Brien offsetof(Elf32_Sym, st_name), offsetof(Elf32_Sym, st_value), 1188fe960a1SDavid E. O'Brien offsetof(Elf32_Sym, st_size), offsetof(Elf32_Sym, st_info), 1198fe960a1SDavid E. O'Brien offsetof(Elf32_Sym, st_shndx), 1208fe960a1SDavid E. O'Brien 1218fe960a1SDavid E. O'Brien offsetof(Elf32_Rel, r_offset), offsetof(Elf32_Rel, r_info), 1228fe960a1SDavid E. O'Brien 1238fe960a1SDavid E. O'Brien offsetof(Elf32_Rela, r_offset), offsetof(Elf32_Rela, r_info), 1248fe960a1SDavid E. O'Brien offsetof(Elf32_Rela, r_addend) 1258fe960a1SDavid E. O'Brien }; 1268fe960a1SDavid E. O'Brien 127bf70beceSEd Schouten static int elf64_offsets[] = { 1288fe960a1SDavid E. O'Brien 0, 1298fe960a1SDavid E. O'Brien 1308fe960a1SDavid E. O'Brien offsetof(Elf64_Dyn, d_tag), offsetof(Elf64_Dyn, d_un.d_ptr), 1318fe960a1SDavid E. O'Brien offsetof(Elf64_Dyn, d_un.d_val), 1328fe960a1SDavid E. O'Brien 1338fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_CLASS]), 1348fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_DATA]), 1358fe960a1SDavid E. O'Brien offsetof(Elf32_Ehdr, e_ident[EI_OSABI]), 1368fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_type), offsetof(Elf64_Ehdr, e_machine), 1378fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_version), offsetof(Elf64_Ehdr, e_entry), 1388fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_phoff), offsetof(Elf64_Ehdr, e_shoff), 1398fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_flags), offsetof(Elf64_Ehdr, e_ehsize), 1408fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_phentsize), offsetof(Elf64_Ehdr, e_phnum), 1418fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_shentsize), offsetof(Elf64_Ehdr, e_shnum), 1428fe960a1SDavid E. O'Brien offsetof(Elf64_Ehdr, e_shstrndx), 1438fe960a1SDavid E. O'Brien 1448fe960a1SDavid E. O'Brien offsetof(Elf_Note, n_namesz), offsetof(Elf_Note, n_descsz), 1458fe960a1SDavid E. O'Brien offsetof(Elf_Note, n_type), 1468fe960a1SDavid E. O'Brien 1478fe960a1SDavid E. O'Brien offsetof(Elf64_Phdr, p_type), offsetof(Elf64_Phdr, p_offset), 1488fe960a1SDavid E. O'Brien offsetof(Elf64_Phdr, p_vaddr), offsetof(Elf64_Phdr, p_paddr), 1498fe960a1SDavid E. O'Brien offsetof(Elf64_Phdr, p_filesz), offsetof(Elf64_Phdr, p_memsz), 1508fe960a1SDavid E. O'Brien offsetof(Elf64_Phdr, p_flags), offsetof(Elf64_Phdr, p_align), 1518fe960a1SDavid E. O'Brien 1528fe960a1SDavid E. O'Brien offsetof(Elf64_Shdr, sh_name), offsetof(Elf64_Shdr, sh_type), 1538fe960a1SDavid E. O'Brien offsetof(Elf64_Shdr, sh_flags), offsetof(Elf64_Shdr, sh_addr), 1548fe960a1SDavid E. O'Brien offsetof(Elf64_Shdr, sh_offset), offsetof(Elf64_Shdr, sh_size), 1558fe960a1SDavid E. O'Brien offsetof(Elf64_Shdr, sh_link), offsetof(Elf64_Shdr, sh_info), 1568fe960a1SDavid E. O'Brien offsetof(Elf64_Shdr, sh_addralign), offsetof(Elf64_Shdr, sh_entsize), 1578fe960a1SDavid E. O'Brien 1588fe960a1SDavid E. O'Brien offsetof(Elf64_Sym, st_name), offsetof(Elf64_Sym, st_value), 1598fe960a1SDavid E. O'Brien offsetof(Elf64_Sym, st_size), offsetof(Elf64_Sym, st_info), 1608fe960a1SDavid E. O'Brien offsetof(Elf64_Sym, st_shndx), 1618fe960a1SDavid E. O'Brien 1628fe960a1SDavid E. O'Brien offsetof(Elf64_Rel, r_offset), offsetof(Elf64_Rel, r_info), 1638fe960a1SDavid E. O'Brien 1648fe960a1SDavid E. O'Brien offsetof(Elf64_Rela, r_offset), offsetof(Elf64_Rela, r_info), 1658fe960a1SDavid E. O'Brien offsetof(Elf64_Rela, r_addend) 1668fe960a1SDavid E. O'Brien }; 1678fe960a1SDavid E. O'Brien 1683df3bb12SDavid E. O'Brien /* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#tag_encodings */ 16936210553SDavid E. O'Brien static const char * 1703df3bb12SDavid E. O'Brien d_tags(u_int64_t tag) { 1713df3bb12SDavid E. O'Brien switch (tag) { 1723df3bb12SDavid E. O'Brien case 0: return "DT_NULL"; 1733df3bb12SDavid E. O'Brien case 1: return "DT_NEEDED"; 1743df3bb12SDavid E. O'Brien case 2: return "DT_PLTRELSZ"; 1753df3bb12SDavid E. O'Brien case 3: return "DT_PLTGOT"; 1763df3bb12SDavid E. O'Brien case 4: return "DT_HASH"; 1773df3bb12SDavid E. O'Brien case 5: return "DT_STRTAB"; 1783df3bb12SDavid E. O'Brien case 6: return "DT_SYMTAB"; 1793df3bb12SDavid E. O'Brien case 7: return "DT_RELA"; 1803df3bb12SDavid E. O'Brien case 8: return "DT_RELASZ"; 1813df3bb12SDavid E. O'Brien case 9: return "DT_RELAENT"; 1823df3bb12SDavid E. O'Brien case 10: return "DT_STRSZ"; 1833df3bb12SDavid E. O'Brien case 11: return "DT_SYMENT"; 1843df3bb12SDavid E. O'Brien case 12: return "DT_INIT"; 1853df3bb12SDavid E. O'Brien case 13: return "DT_FINI"; 1863df3bb12SDavid E. O'Brien case 14: return "DT_SONAME"; 1873df3bb12SDavid E. O'Brien case 15: return "DT_RPATH"; 1883df3bb12SDavid E. O'Brien case 16: return "DT_SYMBOLIC"; 1893df3bb12SDavid E. O'Brien case 17: return "DT_REL"; 1903df3bb12SDavid E. O'Brien case 18: return "DT_RELSZ"; 1913df3bb12SDavid E. O'Brien case 19: return "DT_RELENT"; 1923df3bb12SDavid E. O'Brien case 20: return "DT_PLTREL"; 1933df3bb12SDavid E. O'Brien case 21: return "DT_DEBUG"; 1943df3bb12SDavid E. O'Brien case 22: return "DT_TEXTREL"; 1953df3bb12SDavid E. O'Brien case 23: return "DT_JMPREL"; 1963df3bb12SDavid E. O'Brien case 24: return "DT_BIND_NOW"; 1973df3bb12SDavid E. O'Brien case 25: return "DT_INIT_ARRAY"; 1983df3bb12SDavid E. O'Brien case 26: return "DT_FINI_ARRAY"; 1993df3bb12SDavid E. O'Brien case 27: return "DT_INIT_ARRAYSZ"; 2003df3bb12SDavid E. O'Brien case 28: return "DT_FINI_ARRAYSZ"; 2013df3bb12SDavid E. O'Brien case 29: return "DT_RUNPATH"; 2023df3bb12SDavid E. O'Brien case 30: return "DT_FLAGS"; 2033df3bb12SDavid E. O'Brien case 32: return "DT_PREINIT_ARRAY"; /* XXX: DT_ENCODING */ 2043df3bb12SDavid E. O'Brien case 33: return "DT_PREINIT_ARRAYSZ"; 2053df3bb12SDavid E. O'Brien /* 0x6000000D - 0x6ffff000 operating system-specific semantics */ 2063df3bb12SDavid E. O'Brien case 0x6ffffdf5: return "DT_GNU_PRELINKED"; 2073df3bb12SDavid E. O'Brien case 0x6ffffdf6: return "DT_GNU_CONFLICTSZ"; 2083df3bb12SDavid E. O'Brien case 0x6ffffdf7: return "DT_GNU_LIBLISTSZ"; 2093df3bb12SDavid E. O'Brien case 0x6ffffdf8: return "DT_SUNW_CHECKSUM"; 2103df3bb12SDavid E. O'Brien case 0x6ffffdf9: return "DT_PLTPADSZ"; 2113df3bb12SDavid E. O'Brien case 0x6ffffdfa: return "DT_MOVEENT"; 2123df3bb12SDavid E. O'Brien case 0x6ffffdfb: return "DT_MOVESZ"; 2133df3bb12SDavid E. O'Brien case 0x6ffffdfc: return "DT_FEATURE"; 2143df3bb12SDavid E. O'Brien case 0x6ffffdfd: return "DT_POSFLAG_1"; 2153df3bb12SDavid E. O'Brien case 0x6ffffdfe: return "DT_SYMINSZ"; 2163df3bb12SDavid E. O'Brien case 0x6ffffdff: return "DT_SYMINENT (DT_VALRNGHI)"; 2173df3bb12SDavid E. O'Brien case 0x6ffffe00: return "DT_ADDRRNGLO"; 2183df3bb12SDavid E. O'Brien case 0x6ffffef8: return "DT_GNU_CONFLICT"; 2193df3bb12SDavid E. O'Brien case 0x6ffffef9: return "DT_GNU_LIBLIST"; 2203df3bb12SDavid E. O'Brien case 0x6ffffefa: return "DT_SUNW_CONFIG"; 2213df3bb12SDavid E. O'Brien case 0x6ffffefb: return "DT_SUNW_DEPAUDIT"; 2223df3bb12SDavid E. O'Brien case 0x6ffffefc: return "DT_SUNW_AUDIT"; 2233df3bb12SDavid E. O'Brien case 0x6ffffefd: return "DT_SUNW_PLTPAD"; 2243df3bb12SDavid E. O'Brien case 0x6ffffefe: return "DT_SUNW_MOVETAB"; 2253df3bb12SDavid E. O'Brien case 0x6ffffeff: return "DT_SYMINFO (DT_ADDRRNGHI)"; 2263df3bb12SDavid E. O'Brien case 0x6ffffff9: return "DT_RELACOUNT"; 2273df3bb12SDavid E. O'Brien case 0x6ffffffa: return "DT_RELCOUNT"; 2283df3bb12SDavid E. O'Brien case 0x6ffffffb: return "DT_FLAGS_1"; 2293df3bb12SDavid E. O'Brien case 0x6ffffffc: return "DT_VERDEF"; 2303df3bb12SDavid E. O'Brien case 0x6ffffffd: return "DT_VERDEFNUM"; 2313df3bb12SDavid E. O'Brien case 0x6ffffffe: return "DT_VERNEED"; 2323df3bb12SDavid E. O'Brien case 0x6fffffff: return "DT_VERNEEDNUM"; 2333df3bb12SDavid E. O'Brien case 0x6ffffff0: return "DT_GNU_VERSYM"; 2343df3bb12SDavid E. O'Brien /* 0x70000000 - 0x7fffffff processor-specific semantics */ 23505157fa0SMarcel Moolenaar case 0x70000000: return "DT_IA_64_PLT_RESERVE"; 2363df3bb12SDavid E. O'Brien case 0x7ffffffd: return "DT_SUNW_AUXILIARY"; 2373df3bb12SDavid E. O'Brien case 0x7ffffffe: return "DT_SUNW_USED"; 2383df3bb12SDavid E. O'Brien case 0x7fffffff: return "DT_SUNW_FILTER"; 2393df3bb12SDavid E. O'Brien default: return "ERROR: TAG NOT DEFINED"; 2403df3bb12SDavid E. O'Brien } 24181f8caf7SJens Schweikhardt } 2428fe960a1SDavid E. O'Brien 24336210553SDavid E. O'Brien static const char * 2445f85bb36SMarcel Moolenaar e_machines(u_int mach) 2455f85bb36SMarcel Moolenaar { 24657668ad8SMarcel Moolenaar static char machdesc[64]; 24757668ad8SMarcel Moolenaar 2485f85bb36SMarcel Moolenaar switch (mach) { 2495f85bb36SMarcel Moolenaar case EM_NONE: return "EM_NONE"; 2505f85bb36SMarcel Moolenaar case EM_M32: return "EM_M32"; 2515f85bb36SMarcel Moolenaar case EM_SPARC: return "EM_SPARC"; 2525f85bb36SMarcel Moolenaar case EM_386: return "EM_386"; 2535f85bb36SMarcel Moolenaar case EM_68K: return "EM_68K"; 2545f85bb36SMarcel Moolenaar case EM_88K: return "EM_88K"; 2555f85bb36SMarcel Moolenaar case EM_860: return "EM_860"; 2565f85bb36SMarcel Moolenaar case EM_MIPS: return "EM_MIPS"; 25757668ad8SMarcel Moolenaar case EM_PPC: return "EM_PPC"; 258fee11555SJustin Hibbits case EM_PPC64: return "EM_PPC64"; 25957668ad8SMarcel Moolenaar case EM_ARM: return "EM_ARM"; 26057668ad8SMarcel Moolenaar case EM_ALPHA: return "EM_ALPHA (legacy)"; 26157668ad8SMarcel Moolenaar case EM_SPARCV9:return "EM_SPARCV9"; 2625f85bb36SMarcel Moolenaar case EM_IA_64: return "EM_IA_64"; 26357668ad8SMarcel Moolenaar case EM_X86_64: return "EM_X86_64"; 2645f85bb36SMarcel Moolenaar } 26557668ad8SMarcel Moolenaar snprintf(machdesc, sizeof(machdesc), 26657668ad8SMarcel Moolenaar "(unknown machine) -- type 0x%x", mach); 26757668ad8SMarcel Moolenaar return (machdesc); 26881f8caf7SJens Schweikhardt } 2698fe960a1SDavid E. O'Brien 270bf70beceSEd Schouten static const char *e_types[] = { 2718fe960a1SDavid E. O'Brien "ET_NONE", "ET_REL", "ET_EXEC", "ET_DYN", "ET_CORE" 2728fe960a1SDavid E. O'Brien }; 2738fe960a1SDavid E. O'Brien 274bf70beceSEd Schouten static const char *ei_versions[] = { 2758fe960a1SDavid E. O'Brien "EV_NONE", "EV_CURRENT" 2768fe960a1SDavid E. O'Brien }; 2778fe960a1SDavid E. O'Brien 278bf70beceSEd Schouten static const char *ei_classes[] = { 2798fe960a1SDavid E. O'Brien "ELFCLASSNONE", "ELFCLASS32", "ELFCLASS64" 2808fe960a1SDavid E. O'Brien }; 2818fe960a1SDavid E. O'Brien 282bf70beceSEd Schouten static const char *ei_data[] = { 2838fe960a1SDavid E. O'Brien "ELFDATANONE", "ELFDATA2LSB", "ELFDATA2MSB" 2848fe960a1SDavid E. O'Brien }; 2858fe960a1SDavid E. O'Brien 286bf70beceSEd Schouten static const char *ei_abis[256] = { 2878fe960a1SDavid E. O'Brien "ELFOSABI_SYSV", "ELFOSABI_HPUX", "ELFOSABI_NETBSD", "ELFOSABI_LINUX", 288ead61635SMarcel Moolenaar "ELFOSABI_HURD", "ELFOSABI_86OPEN", "ELFOSABI_SOLARIS", "ELFOSABI_AIX", 289ead61635SMarcel Moolenaar "ELFOSABI_IRIX", "ELFOSABI_FREEBSD", "ELFOSABI_TRU64", 290ead61635SMarcel Moolenaar "ELFOSABI_MODESTO", "ELFOSABI_OPENBSD", 291ead61635SMarcel Moolenaar [255] = "ELFOSABI_STANDALONE" 2928fe960a1SDavid E. O'Brien }; 2938fe960a1SDavid E. O'Brien 294bf70beceSEd Schouten static const char *p_types[] = { 2958fe960a1SDavid E. O'Brien "PT_NULL", "PT_LOAD", "PT_DYNAMIC", "PT_INTERP", "PT_NOTE", 296d499047cSJake Burkholder "PT_SHLIB", "PT_PHDR", "PT_TLS" 2978fe960a1SDavid E. O'Brien }; 2988fe960a1SDavid E. O'Brien 299bf70beceSEd Schouten static const char *p_flags[] = { 3008fe960a1SDavid E. O'Brien "", "PF_X", "PF_W", "PF_X|PF_W", "PF_R", "PF_X|PF_R", "PF_W|PF_R", 3018fe960a1SDavid E. O'Brien "PF_X|PF_W|PF_R" 3028fe960a1SDavid E. O'Brien }; 3038fe960a1SDavid E. O'Brien 3049bc01124SDavid E. O'Brien /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html#sh_type */ 30536210553SDavid E. O'Brien static const char * 306*b3854059SEd Maste sh_types(uint64_t machine, uint64_t sht) { 307*b3854059SEd Maste static char unknown_buf[64]; 308*b3854059SEd Maste 309*b3854059SEd Maste if (sht < 0x60000000) { 3109bc01124SDavid E. O'Brien switch (sht) { 3119bc01124SDavid E. O'Brien case 0: return "SHT_NULL"; 3129bc01124SDavid E. O'Brien case 1: return "SHT_PROGBITS"; 3139bc01124SDavid E. O'Brien case 2: return "SHT_SYMTAB"; 3149bc01124SDavid E. O'Brien case 3: return "SHT_STRTAB"; 3159bc01124SDavid E. O'Brien case 4: return "SHT_RELA"; 3169bc01124SDavid E. O'Brien case 5: return "SHT_HASH"; 3179bc01124SDavid E. O'Brien case 6: return "SHT_DYNAMIC"; 3189bc01124SDavid E. O'Brien case 7: return "SHT_NOTE"; 3199bc01124SDavid E. O'Brien case 8: return "SHT_NOBITS"; 3209bc01124SDavid E. O'Brien case 9: return "SHT_REL"; 3219bc01124SDavid E. O'Brien case 10: return "SHT_SHLIB"; 3229bc01124SDavid E. O'Brien case 11: return "SHT_DYNSYM"; 3239bc01124SDavid E. O'Brien case 14: return "SHT_INIT_ARRAY"; 3249bc01124SDavid E. O'Brien case 15: return "SHT_FINI_ARRAY"; 3259bc01124SDavid E. O'Brien case 16: return "SHT_PREINIT_ARRAY"; 3269bc01124SDavid E. O'Brien case 17: return "SHT_GROUP"; 3279bc01124SDavid E. O'Brien case 18: return "SHT_SYMTAB_SHNDX"; 328*b3854059SEd Maste } 329*b3854059SEd Maste snprintf(unknown_buf, sizeof(unknown_buf), 330*b3854059SEd Maste "ERROR: SHT %ju NOT DEFINED", (uintmax_t)sht); 331*b3854059SEd Maste return (unknown_buf); 332*b3854059SEd Maste } else if (sht < 0x70000000) { 3333df3bb12SDavid E. O'Brien /* 0x60000000-0x6fffffff operating system-specific semantics */ 334*b3854059SEd Maste switch (sht) { 3359bc01124SDavid E. O'Brien case 0x6ffffff0: return "XXX:VERSYM"; 336bf7cda51SRui Paulo case 0x6ffffff4: return "SHT_SUNW_dof"; 3379bc01124SDavid E. O'Brien case 0x6ffffff7: return "SHT_GNU_LIBLIST"; 3389bc01124SDavid E. O'Brien case 0x6ffffffc: return "XXX:VERDEF"; 3399bc01124SDavid E. O'Brien case 0x6ffffffd: return "SHT_SUNW(GNU)_verdef"; 3409bc01124SDavid E. O'Brien case 0x6ffffffe: return "SHT_SUNW(GNU)_verneed"; 3419bc01124SDavid E. O'Brien case 0x6fffffff: return "SHT_SUNW(GNU)_versym"; 342*b3854059SEd Maste } 343*b3854059SEd Maste snprintf(unknown_buf, sizeof(unknown_buf), 344*b3854059SEd Maste "ERROR: OS-SPECIFIC SHT 0x%jx NOT DEFINED", 345*b3854059SEd Maste (uintmax_t)sht); 346*b3854059SEd Maste return (unknown_buf); 347*b3854059SEd Maste } else if (sht < 0x80000000) { 3483df3bb12SDavid E. O'Brien /* 0x70000000-0x7fffffff processor-specific semantics */ 349*b3854059SEd Maste switch (machine) { 350*b3854059SEd Maste case EM_MIPS: 351*b3854059SEd Maste switch (sht) { 352*b3854059SEd Maste case 0x7000000d: return "SHT_MIPS_OPTIONS"; 353*b3854059SEd Maste } 354*b3854059SEd Maste break; 355*b3854059SEd Maste case EM_IA_64: 356*b3854059SEd Maste switch (sht) { 3575f85bb36SMarcel Moolenaar case 0x70000000: return "SHT_IA_64_EXT"; 3585f85bb36SMarcel Moolenaar case 0x70000001: return "SHT_IA_64_UNWIND"; 359*b3854059SEd Maste } 360*b3854059SEd Maste break; 361*b3854059SEd Maste } 362*b3854059SEd Maste switch (sht) { 3639bc01124SDavid E. O'Brien case 0x7ffffffd: return "XXX:AUXILIARY"; 3649bc01124SDavid E. O'Brien case 0x7fffffff: return "XXX:FILTER"; 365*b3854059SEd Maste } 366*b3854059SEd Maste snprintf(unknown_buf, sizeof(unknown_buf), 367*b3854059SEd Maste "ERROR: PROCESSOR-SPECIFIC SHT 0x%jx NOT DEFINED", 368*b3854059SEd Maste (uintmax_t)sht); 369*b3854059SEd Maste return (unknown_buf); 370*b3854059SEd Maste } else { 3713df3bb12SDavid E. O'Brien /* 0x80000000-0xffffffff application programs */ 372*b3854059SEd Maste snprintf(unknown_buf, sizeof(unknown_buf), 373*b3854059SEd Maste "ERROR: SHT 0x%jx NOT DEFINED", 374*b3854059SEd Maste (uintmax_t)sht); 375*b3854059SEd Maste return (unknown_buf); 3769bc01124SDavid E. O'Brien } 377dcae6166SJens Schweikhardt } 3788fe960a1SDavid E. O'Brien 379bf70beceSEd Schouten static const char *sh_flags[] = { 3808fe960a1SDavid E. O'Brien "", "SHF_WRITE", "SHF_ALLOC", "SHF_WRITE|SHF_ALLOC", "SHF_EXECINSTR", 3818fe960a1SDavid E. O'Brien "SHF_WRITE|SHF_EXECINSTR", "SHF_ALLOC|SHF_EXECINSTR", 3828fe960a1SDavid E. O'Brien "SHF_WRITE|SHF_ALLOC|SHF_EXECINSTR" 3838fe960a1SDavid E. O'Brien }; 3848fe960a1SDavid E. O'Brien 385bf70beceSEd Schouten static const char *st_types[] = { 3868fe960a1SDavid E. O'Brien "STT_NOTYPE", "STT_OBJECT", "STT_FUNC", "STT_SECTION", "STT_FILE" 3878fe960a1SDavid E. O'Brien }; 3888fe960a1SDavid E. O'Brien 389bf70beceSEd Schouten static const char *st_bindings[] = { 3908fe960a1SDavid E. O'Brien "STB_LOCAL", "STB_GLOBAL", "STB_WEAK" 3918fe960a1SDavid E. O'Brien }; 3928fe960a1SDavid E. O'Brien 393bf70beceSEd Schouten static char *dynstr; 394bf70beceSEd Schouten static char *shstrtab; 395bf70beceSEd Schouten static char *strtab; 396bf70beceSEd Schouten static FILE *out; 3978fe960a1SDavid E. O'Brien 398bf70beceSEd Schouten static u_int64_t elf_get_byte(Elf32_Ehdr *e, void *base, elf_member_t member); 399bf70beceSEd Schouten static u_int64_t elf_get_quarter(Elf32_Ehdr *e, void *base, 400bf70beceSEd Schouten elf_member_t member); 401bf70beceSEd Schouten #if 0 402bf70beceSEd Schouten static u_int64_t elf_get_half(Elf32_Ehdr *e, void *base, elf_member_t member); 403bf70beceSEd Schouten #endif 404bf70beceSEd Schouten static u_int64_t elf_get_word(Elf32_Ehdr *e, void *base, elf_member_t member); 405bf70beceSEd Schouten static u_int64_t elf_get_quad(Elf32_Ehdr *e, void *base, elf_member_t member); 4068fe960a1SDavid E. O'Brien 40797a9b0b1SEd Maste static void elf_print_ehdr(Elf32_Ehdr *e, void *sh); 408bf70beceSEd Schouten static void elf_print_phdr(Elf32_Ehdr *e, void *p); 409bf70beceSEd Schouten static void elf_print_shdr(Elf32_Ehdr *e, void *sh); 410bf70beceSEd Schouten static void elf_print_symtab(Elf32_Ehdr *e, void *sh, char *str); 411bf70beceSEd Schouten static void elf_print_dynamic(Elf32_Ehdr *e, void *sh); 412bf70beceSEd Schouten static void elf_print_rel(Elf32_Ehdr *e, void *r); 413bf70beceSEd Schouten static void elf_print_rela(Elf32_Ehdr *e, void *ra); 414bf70beceSEd Schouten static void elf_print_interp(Elf32_Ehdr *e, void *p); 415bf70beceSEd Schouten static void elf_print_got(Elf32_Ehdr *e, void *sh); 416bf70beceSEd Schouten static void elf_print_hash(Elf32_Ehdr *e, void *sh); 417bf70beceSEd Schouten static void elf_print_note(Elf32_Ehdr *e, void *sh); 4188fe960a1SDavid E. O'Brien 419bf70beceSEd Schouten static void usage(void); 4208fe960a1SDavid E. O'Brien 42197a9b0b1SEd Maste /* 42297a9b0b1SEd Maste * Helpers for ELF files with shnum or shstrndx values that don't fit in the 42397a9b0b1SEd Maste * ELF header. If the values are too large then an escape value is used to 42497a9b0b1SEd Maste * indicate that the actual value is found in one of section 0's fields. 42597a9b0b1SEd Maste */ 42697a9b0b1SEd Maste static uint64_t 42797a9b0b1SEd Maste elf_get_shnum(Elf32_Ehdr *e, void *sh) 42897a9b0b1SEd Maste { 42997a9b0b1SEd Maste uint64_t shnum; 43097a9b0b1SEd Maste 43197a9b0b1SEd Maste shnum = elf_get_quarter(e, e, E_SHNUM); 43297a9b0b1SEd Maste if (shnum == 0) 43397a9b0b1SEd Maste shnum = elf_get_word(e, (char *)sh, SH_SIZE); 43497a9b0b1SEd Maste return shnum; 43597a9b0b1SEd Maste } 43697a9b0b1SEd Maste 43797a9b0b1SEd Maste static uint64_t 43897a9b0b1SEd Maste elf_get_shstrndx(Elf32_Ehdr *e, void *sh) 43997a9b0b1SEd Maste { 44097a9b0b1SEd Maste uint64_t shstrndx; 44197a9b0b1SEd Maste 44297a9b0b1SEd Maste shstrndx = elf_get_quarter(e, e, E_SHSTRNDX); 44397a9b0b1SEd Maste if (shstrndx == SHN_XINDEX) 44497a9b0b1SEd Maste shstrndx = elf_get_word(e, (char *)sh, SH_LINK); 44597a9b0b1SEd Maste return shstrndx; 44697a9b0b1SEd Maste } 44797a9b0b1SEd Maste 4488fe960a1SDavid E. O'Brien int 4498fe960a1SDavid E. O'Brien main(int ac, char **av) 4508fe960a1SDavid E. O'Brien { 4518fe960a1SDavid E. O'Brien u_int64_t phoff; 4528fe960a1SDavid E. O'Brien u_int64_t shoff; 4538fe960a1SDavid E. O'Brien u_int64_t phentsize; 4548fe960a1SDavid E. O'Brien u_int64_t phnum; 4558fe960a1SDavid E. O'Brien u_int64_t shentsize; 4568fe960a1SDavid E. O'Brien u_int64_t shnum; 4578fe960a1SDavid E. O'Brien u_int64_t shstrndx; 4588fe960a1SDavid E. O'Brien u_int64_t offset; 4598fe960a1SDavid E. O'Brien u_int64_t name; 4608fe960a1SDavid E. O'Brien u_int64_t type; 4618fe960a1SDavid E. O'Brien struct stat sb; 4628fe960a1SDavid E. O'Brien u_int flags; 4630529c56bSDavid E. O'Brien Elf32_Ehdr *e; 4648fe960a1SDavid E. O'Brien void *p; 4658fe960a1SDavid E. O'Brien void *sh; 4668fe960a1SDavid E. O'Brien void *v; 4678fe960a1SDavid E. O'Brien int fd; 4688fe960a1SDavid E. O'Brien int ch; 4698fe960a1SDavid E. O'Brien int i; 4708fe960a1SDavid E. O'Brien 4718fe960a1SDavid E. O'Brien out = stdout; 4728fe960a1SDavid E. O'Brien flags = 0; 4738fe960a1SDavid E. O'Brien while ((ch = getopt(ac, av, "acdeiGhnprsw:")) != -1) 4748fe960a1SDavid E. O'Brien switch (ch) { 4758fe960a1SDavid E. O'Brien case 'a': 4768fe960a1SDavid E. O'Brien flags = ED_ALL; 4778fe960a1SDavid E. O'Brien break; 4788fe960a1SDavid E. O'Brien case 'c': 4798fe960a1SDavid E. O'Brien flags |= ED_SHDR; 4808fe960a1SDavid E. O'Brien break; 4818fe960a1SDavid E. O'Brien case 'd': 4828fe960a1SDavid E. O'Brien flags |= ED_DYN; 4838fe960a1SDavid E. O'Brien break; 4848fe960a1SDavid E. O'Brien case 'e': 4858fe960a1SDavid E. O'Brien flags |= ED_EHDR; 4868fe960a1SDavid E. O'Brien break; 4878fe960a1SDavid E. O'Brien case 'i': 4888fe960a1SDavid E. O'Brien flags |= ED_INTERP; 4898fe960a1SDavid E. O'Brien break; 4908fe960a1SDavid E. O'Brien case 'G': 4918fe960a1SDavid E. O'Brien flags |= ED_GOT; 4928fe960a1SDavid E. O'Brien break; 4938fe960a1SDavid E. O'Brien case 'h': 4948fe960a1SDavid E. O'Brien flags |= ED_HASH; 4958fe960a1SDavid E. O'Brien break; 4968fe960a1SDavid E. O'Brien case 'n': 4978fe960a1SDavid E. O'Brien flags |= ED_NOTE; 4988fe960a1SDavid E. O'Brien break; 4998fe960a1SDavid E. O'Brien case 'p': 5008fe960a1SDavid E. O'Brien flags |= ED_PHDR; 5018fe960a1SDavid E. O'Brien break; 5028fe960a1SDavid E. O'Brien case 'r': 5038fe960a1SDavid E. O'Brien flags |= ED_REL; 5048fe960a1SDavid E. O'Brien break; 5058fe960a1SDavid E. O'Brien case 's': 5068fe960a1SDavid E. O'Brien flags |= ED_SYMTAB; 5078fe960a1SDavid E. O'Brien break; 5088fe960a1SDavid E. O'Brien case 'w': 5098fe960a1SDavid E. O'Brien if ((out = fopen(optarg, "w")) == NULL) 5108fe960a1SDavid E. O'Brien err(1, "%s", optarg); 5118fe960a1SDavid E. O'Brien break; 5128fe960a1SDavid E. O'Brien case '?': 5138fe960a1SDavid E. O'Brien default: 5148fe960a1SDavid E. O'Brien usage(); 5158fe960a1SDavid E. O'Brien } 5168fe960a1SDavid E. O'Brien ac -= optind; 5178fe960a1SDavid E. O'Brien av += optind; 5188fe960a1SDavid E. O'Brien if (ac == 0 || flags == 0) 5198fe960a1SDavid E. O'Brien usage(); 5208fe960a1SDavid E. O'Brien if ((fd = open(*av, O_RDONLY)) < 0 || 5218fe960a1SDavid E. O'Brien fstat(fd, &sb) < 0) 52273e57b80SRuslan Ermilov err(1, "%s", *av); 5238fe960a1SDavid E. O'Brien e = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0); 5248fe960a1SDavid E. O'Brien if (e == MAP_FAILED) 5258fe960a1SDavid E. O'Brien err(1, NULL); 5268fe960a1SDavid E. O'Brien if (!IS_ELF(*(Elf32_Ehdr *)e)) 5278fe960a1SDavid E. O'Brien errx(1, "not an elf file"); 5288fe960a1SDavid E. O'Brien phoff = elf_get_off(e, e, E_PHOFF); 5298fe960a1SDavid E. O'Brien shoff = elf_get_off(e, e, E_SHOFF); 5308fe960a1SDavid E. O'Brien phentsize = elf_get_quarter(e, e, E_PHENTSIZE); 5318fe960a1SDavid E. O'Brien phnum = elf_get_quarter(e, e, E_PHNUM); 5328fe960a1SDavid E. O'Brien shentsize = elf_get_quarter(e, e, E_SHENTSIZE); 53336210553SDavid E. O'Brien p = (char *)e + phoff; 534a589e596SMarcel Moolenaar if (shoff > 0) { 53536210553SDavid E. O'Brien sh = (char *)e + shoff; 53697a9b0b1SEd Maste shnum = elf_get_shnum(e, sh); 53797a9b0b1SEd Maste shstrndx = elf_get_shstrndx(e, sh); 538a589e596SMarcel Moolenaar offset = elf_get_off(e, (char *)sh + shstrndx * shentsize, 539a589e596SMarcel Moolenaar SH_OFFSET); 5400529c56bSDavid E. O'Brien shstrtab = (char *)e + offset; 541a589e596SMarcel Moolenaar } else { 542a589e596SMarcel Moolenaar sh = NULL; 543a589e596SMarcel Moolenaar shnum = 0; 544a589e596SMarcel Moolenaar shstrndx = 0; 545a589e596SMarcel Moolenaar shstrtab = NULL; 546a589e596SMarcel Moolenaar } 54736210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < shnum; i++) { 54836210553SDavid E. O'Brien name = elf_get_word(e, (char *)sh + i * shentsize, SH_NAME); 54936210553SDavid E. O'Brien offset = elf_get_off(e, (char *)sh + i * shentsize, SH_OFFSET); 5508fe960a1SDavid E. O'Brien if (strcmp(shstrtab + name, ".strtab") == 0) 5510529c56bSDavid E. O'Brien strtab = (char *)e + offset; 5528fe960a1SDavid E. O'Brien if (strcmp(shstrtab + name, ".dynstr") == 0) 5530529c56bSDavid E. O'Brien dynstr = (char *)e + offset; 5548fe960a1SDavid E. O'Brien } 5558fe960a1SDavid E. O'Brien if (flags & ED_EHDR) 55697a9b0b1SEd Maste elf_print_ehdr(e, sh); 5578fe960a1SDavid E. O'Brien if (flags & ED_PHDR) 5588fe960a1SDavid E. O'Brien elf_print_phdr(e, p); 5598fe960a1SDavid E. O'Brien if (flags & ED_SHDR) 5608fe960a1SDavid E. O'Brien elf_print_shdr(e, sh); 56136210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < phnum; i++) { 56236210553SDavid E. O'Brien v = (char *)p + i * phentsize; 5638fe960a1SDavid E. O'Brien type = elf_get_word(e, v, P_TYPE); 5648fe960a1SDavid E. O'Brien switch (type) { 5658fe960a1SDavid E. O'Brien case PT_INTERP: 5668fe960a1SDavid E. O'Brien if (flags & ED_INTERP) 5678fe960a1SDavid E. O'Brien elf_print_interp(e, v); 5688fe960a1SDavid E. O'Brien break; 5698fe960a1SDavid E. O'Brien case PT_NULL: 5708fe960a1SDavid E. O'Brien case PT_LOAD: 5718fe960a1SDavid E. O'Brien case PT_DYNAMIC: 5728fe960a1SDavid E. O'Brien case PT_NOTE: 5738fe960a1SDavid E. O'Brien case PT_SHLIB: 5748fe960a1SDavid E. O'Brien case PT_PHDR: 5758fe960a1SDavid E. O'Brien break; 5768fe960a1SDavid E. O'Brien } 5778fe960a1SDavid E. O'Brien } 57836210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < shnum; i++) { 57936210553SDavid E. O'Brien v = (char *)sh + i * shentsize; 5808fe960a1SDavid E. O'Brien type = elf_get_word(e, v, SH_TYPE); 5818fe960a1SDavid E. O'Brien switch (type) { 5828fe960a1SDavid E. O'Brien case SHT_SYMTAB: 5838fe960a1SDavid E. O'Brien if (flags & ED_SYMTAB) 5848fe960a1SDavid E. O'Brien elf_print_symtab(e, v, strtab); 5858fe960a1SDavid E. O'Brien break; 5868fe960a1SDavid E. O'Brien case SHT_DYNAMIC: 5878fe960a1SDavid E. O'Brien if (flags & ED_DYN) 5888fe960a1SDavid E. O'Brien elf_print_dynamic(e, v); 5898fe960a1SDavid E. O'Brien break; 5908fe960a1SDavid E. O'Brien case SHT_RELA: 5918fe960a1SDavid E. O'Brien if (flags & ED_REL) 5928fe960a1SDavid E. O'Brien elf_print_rela(e, v); 5938fe960a1SDavid E. O'Brien break; 5948fe960a1SDavid E. O'Brien case SHT_REL: 5958fe960a1SDavid E. O'Brien if (flags & ED_REL) 5968fe960a1SDavid E. O'Brien elf_print_rel(e, v); 5978fe960a1SDavid E. O'Brien break; 5988fe960a1SDavid E. O'Brien case SHT_NOTE: 5998fe960a1SDavid E. O'Brien name = elf_get_word(e, v, SH_NAME); 6008fe960a1SDavid E. O'Brien if (flags & ED_NOTE && 6018fe960a1SDavid E. O'Brien strcmp(shstrtab + name, ".note.ABI-tag") == 0) 6028fe960a1SDavid E. O'Brien elf_print_note(e, v); 6038fe960a1SDavid E. O'Brien break; 6048fe960a1SDavid E. O'Brien case SHT_DYNSYM: 6058fe960a1SDavid E. O'Brien if (flags & ED_SYMTAB) 6068fe960a1SDavid E. O'Brien elf_print_symtab(e, v, dynstr); 6078fe960a1SDavid E. O'Brien break; 6088fe960a1SDavid E. O'Brien case SHT_PROGBITS: 6098fe960a1SDavid E. O'Brien name = elf_get_word(e, v, SH_NAME); 6108fe960a1SDavid E. O'Brien if (flags & ED_GOT && 6118fe960a1SDavid E. O'Brien strcmp(shstrtab + name, ".got") == 0) 6128fe960a1SDavid E. O'Brien elf_print_got(e, v); 6138fe960a1SDavid E. O'Brien break; 6148fe960a1SDavid E. O'Brien case SHT_HASH: 6158fe960a1SDavid E. O'Brien if (flags & ED_HASH) 6168fe960a1SDavid E. O'Brien elf_print_hash(e, v); 6178fe960a1SDavid E. O'Brien break; 6188fe960a1SDavid E. O'Brien case SHT_NULL: 6198fe960a1SDavid E. O'Brien case SHT_STRTAB: 6208fe960a1SDavid E. O'Brien case SHT_NOBITS: 6218fe960a1SDavid E. O'Brien case SHT_SHLIB: 6228fe960a1SDavid E. O'Brien break; 6238fe960a1SDavid E. O'Brien } 6248fe960a1SDavid E. O'Brien } 6258fe960a1SDavid E. O'Brien 6268fe960a1SDavid E. O'Brien return 0; 6278fe960a1SDavid E. O'Brien } 6288fe960a1SDavid E. O'Brien 629bf70beceSEd Schouten static void 63097a9b0b1SEd Maste elf_print_ehdr(Elf32_Ehdr *e, void *sh) 6318fe960a1SDavid E. O'Brien { 6328fe960a1SDavid E. O'Brien u_int64_t class; 6338fe960a1SDavid E. O'Brien u_int64_t data; 6348fe960a1SDavid E. O'Brien u_int64_t osabi; 6358fe960a1SDavid E. O'Brien u_int64_t type; 6368fe960a1SDavid E. O'Brien u_int64_t machine; 6378fe960a1SDavid E. O'Brien u_int64_t version; 6388fe960a1SDavid E. O'Brien u_int64_t entry; 6398fe960a1SDavid E. O'Brien u_int64_t phoff; 6408fe960a1SDavid E. O'Brien u_int64_t shoff; 6418fe960a1SDavid E. O'Brien u_int64_t flags; 6428fe960a1SDavid E. O'Brien u_int64_t ehsize; 6438fe960a1SDavid E. O'Brien u_int64_t phentsize; 6448fe960a1SDavid E. O'Brien u_int64_t phnum; 6458fe960a1SDavid E. O'Brien u_int64_t shentsize; 6468fe960a1SDavid E. O'Brien u_int64_t shnum; 6478fe960a1SDavid E. O'Brien u_int64_t shstrndx; 6488fe960a1SDavid E. O'Brien 6498fe960a1SDavid E. O'Brien class = elf_get_byte(e, e, E_CLASS); 6508fe960a1SDavid E. O'Brien data = elf_get_byte(e, e, E_DATA); 6518fe960a1SDavid E. O'Brien osabi = elf_get_byte(e, e, E_OSABI); 6528fe960a1SDavid E. O'Brien type = elf_get_quarter(e, e, E_TYPE); 6538fe960a1SDavid E. O'Brien machine = elf_get_quarter(e, e, E_MACHINE); 6548fe960a1SDavid E. O'Brien version = elf_get_word(e, e, E_VERSION); 6558fe960a1SDavid E. O'Brien entry = elf_get_addr(e, e, E_ENTRY); 6568fe960a1SDavid E. O'Brien phoff = elf_get_off(e, e, E_PHOFF); 6578fe960a1SDavid E. O'Brien shoff = elf_get_off(e, e, E_SHOFF); 6588fe960a1SDavid E. O'Brien flags = elf_get_word(e, e, E_FLAGS); 6598fe960a1SDavid E. O'Brien ehsize = elf_get_quarter(e, e, E_EHSIZE); 6608fe960a1SDavid E. O'Brien phentsize = elf_get_quarter(e, e, E_PHENTSIZE); 6618fe960a1SDavid E. O'Brien phnum = elf_get_quarter(e, e, E_PHNUM); 6628fe960a1SDavid E. O'Brien shentsize = elf_get_quarter(e, e, E_SHENTSIZE); 6638fe960a1SDavid E. O'Brien fprintf(out, "\nelf header:\n"); 6648fe960a1SDavid E. O'Brien fprintf(out, "\n"); 6658fe960a1SDavid E. O'Brien fprintf(out, "\te_ident: %s %s %s\n", ei_classes[class], ei_data[data], 6668fe960a1SDavid E. O'Brien ei_abis[osabi]); 6678fe960a1SDavid E. O'Brien fprintf(out, "\te_type: %s\n", e_types[type]); 6685f85bb36SMarcel Moolenaar fprintf(out, "\te_machine: %s\n", e_machines(machine)); 6698fe960a1SDavid E. O'Brien fprintf(out, "\te_version: %s\n", ei_versions[version]); 67075ca4dcfSDavid E. O'Brien fprintf(out, "\te_entry: %#jx\n", (intmax_t)entry); 67175ca4dcfSDavid E. O'Brien fprintf(out, "\te_phoff: %jd\n", (intmax_t)phoff); 67275ca4dcfSDavid E. O'Brien fprintf(out, "\te_shoff: %jd\n", (intmax_t)shoff); 67375ca4dcfSDavid E. O'Brien fprintf(out, "\te_flags: %jd\n", (intmax_t)flags); 67475ca4dcfSDavid E. O'Brien fprintf(out, "\te_ehsize: %jd\n", (intmax_t)ehsize); 67575ca4dcfSDavid E. O'Brien fprintf(out, "\te_phentsize: %jd\n", (intmax_t)phentsize); 67675ca4dcfSDavid E. O'Brien fprintf(out, "\te_phnum: %jd\n", (intmax_t)phnum); 67775ca4dcfSDavid E. O'Brien fprintf(out, "\te_shentsize: %jd\n", (intmax_t)shentsize); 678a589e596SMarcel Moolenaar if (sh != NULL) { 679a589e596SMarcel Moolenaar shnum = elf_get_shnum(e, sh); 680a589e596SMarcel Moolenaar shstrndx = elf_get_shstrndx(e, sh); 68175ca4dcfSDavid E. O'Brien fprintf(out, "\te_shnum: %jd\n", (intmax_t)shnum); 68275ca4dcfSDavid E. O'Brien fprintf(out, "\te_shstrndx: %jd\n", (intmax_t)shstrndx); 6838fe960a1SDavid E. O'Brien } 684a589e596SMarcel Moolenaar } 6858fe960a1SDavid E. O'Brien 686bf70beceSEd Schouten static void 6870529c56bSDavid E. O'Brien elf_print_phdr(Elf32_Ehdr *e, void *p) 6888fe960a1SDavid E. O'Brien { 6898fe960a1SDavid E. O'Brien u_int64_t phentsize; 6908fe960a1SDavid E. O'Brien u_int64_t phnum; 6918fe960a1SDavid E. O'Brien u_int64_t type; 6928fe960a1SDavid E. O'Brien u_int64_t offset; 6938fe960a1SDavid E. O'Brien u_int64_t vaddr; 6948fe960a1SDavid E. O'Brien u_int64_t paddr; 6958fe960a1SDavid E. O'Brien u_int64_t filesz; 6968fe960a1SDavid E. O'Brien u_int64_t memsz; 6978fe960a1SDavid E. O'Brien u_int64_t flags; 6988fe960a1SDavid E. O'Brien u_int64_t align; 6998fe960a1SDavid E. O'Brien void *v; 7008fe960a1SDavid E. O'Brien int i; 7018fe960a1SDavid E. O'Brien 7028fe960a1SDavid E. O'Brien phentsize = elf_get_quarter(e, e, E_PHENTSIZE); 7038fe960a1SDavid E. O'Brien phnum = elf_get_quarter(e, e, E_PHNUM); 7048fe960a1SDavid E. O'Brien fprintf(out, "\nprogram header:\n"); 70536210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < phnum; i++) { 70636210553SDavid E. O'Brien v = (char *)p + i * phentsize; 7078fe960a1SDavid E. O'Brien type = elf_get_word(e, v, P_TYPE); 7088fe960a1SDavid E. O'Brien offset = elf_get_off(e, v, P_OFFSET); 7098fe960a1SDavid E. O'Brien vaddr = elf_get_addr(e, v, P_VADDR); 7108fe960a1SDavid E. O'Brien paddr = elf_get_addr(e, v, P_PADDR); 7118fe960a1SDavid E. O'Brien filesz = elf_get_size(e, v, P_FILESZ); 7128fe960a1SDavid E. O'Brien memsz = elf_get_size(e, v, P_MEMSZ); 7138fe960a1SDavid E. O'Brien flags = elf_get_word(e, v, P_FLAGS); 7148fe960a1SDavid E. O'Brien align = elf_get_size(e, v, P_ALIGN); 7158fe960a1SDavid E. O'Brien fprintf(out, "\n"); 7168fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 7178fe960a1SDavid E. O'Brien fprintf(out, "\tp_type: %s\n", p_types[type & 0x7]); 71875ca4dcfSDavid E. O'Brien fprintf(out, "\tp_offset: %jd\n", (intmax_t)offset); 71975ca4dcfSDavid E. O'Brien fprintf(out, "\tp_vaddr: %#jx\n", (intmax_t)vaddr); 72075ca4dcfSDavid E. O'Brien fprintf(out, "\tp_paddr: %#jx\n", (intmax_t)paddr); 72175ca4dcfSDavid E. O'Brien fprintf(out, "\tp_filesz: %jd\n", (intmax_t)filesz); 72275ca4dcfSDavid E. O'Brien fprintf(out, "\tp_memsz: %jd\n", (intmax_t)memsz); 7238fe960a1SDavid E. O'Brien fprintf(out, "\tp_flags: %s\n", p_flags[flags]); 72475ca4dcfSDavid E. O'Brien fprintf(out, "\tp_align: %jd\n", (intmax_t)align); 7258fe960a1SDavid E. O'Brien } 7268fe960a1SDavid E. O'Brien } 7278fe960a1SDavid E. O'Brien 728bf70beceSEd Schouten static void 7290529c56bSDavid E. O'Brien elf_print_shdr(Elf32_Ehdr *e, void *sh) 7308fe960a1SDavid E. O'Brien { 7318fe960a1SDavid E. O'Brien u_int64_t shentsize; 7328fe960a1SDavid E. O'Brien u_int64_t shnum; 7338fe960a1SDavid E. O'Brien u_int64_t name; 7348fe960a1SDavid E. O'Brien u_int64_t type; 7358fe960a1SDavid E. O'Brien u_int64_t flags; 7368fe960a1SDavid E. O'Brien u_int64_t addr; 7378fe960a1SDavid E. O'Brien u_int64_t offset; 7388fe960a1SDavid E. O'Brien u_int64_t size; 73936210553SDavid E. O'Brien u_int64_t shlink; 7408fe960a1SDavid E. O'Brien u_int64_t info; 7418fe960a1SDavid E. O'Brien u_int64_t addralign; 7428fe960a1SDavid E. O'Brien u_int64_t entsize; 743*b3854059SEd Maste u_int64_t machine; 7448fe960a1SDavid E. O'Brien void *v; 7458fe960a1SDavid E. O'Brien int i; 7468fe960a1SDavid E. O'Brien 747a589e596SMarcel Moolenaar if (sh == NULL) { 748a589e596SMarcel Moolenaar fprintf(out, "\nNo section headers\n"); 749a589e596SMarcel Moolenaar return; 750a589e596SMarcel Moolenaar } 751a589e596SMarcel Moolenaar 752*b3854059SEd Maste machine = elf_get_quarter(e, e, E_MACHINE); 7538fe960a1SDavid E. O'Brien shentsize = elf_get_quarter(e, e, E_SHENTSIZE); 75497a9b0b1SEd Maste shnum = elf_get_shnum(e, sh); 7558fe960a1SDavid E. O'Brien fprintf(out, "\nsection header:\n"); 75636210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < shnum; i++) { 75736210553SDavid E. O'Brien v = (char *)sh + i * shentsize; 7588fe960a1SDavid E. O'Brien name = elf_get_word(e, v, SH_NAME); 7598fe960a1SDavid E. O'Brien type = elf_get_word(e, v, SH_TYPE); 7608fe960a1SDavid E. O'Brien flags = elf_get_word(e, v, SH_FLAGS); 7618fe960a1SDavid E. O'Brien addr = elf_get_addr(e, v, SH_ADDR); 7628fe960a1SDavid E. O'Brien offset = elf_get_off(e, v, SH_OFFSET); 7638fe960a1SDavid E. O'Brien size = elf_get_size(e, v, SH_SIZE); 76436210553SDavid E. O'Brien shlink = elf_get_word(e, v, SH_LINK); 7658fe960a1SDavid E. O'Brien info = elf_get_word(e, v, SH_INFO); 7668fe960a1SDavid E. O'Brien addralign = elf_get_size(e, v, SH_ADDRALIGN); 7678fe960a1SDavid E. O'Brien entsize = elf_get_size(e, v, SH_ENTSIZE); 7688fe960a1SDavid E. O'Brien fprintf(out, "\n"); 7698fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 7708fe960a1SDavid E. O'Brien fprintf(out, "\tsh_name: %s\n", shstrtab + name); 771*b3854059SEd Maste fprintf(out, "\tsh_type: %s\n", sh_types(machine, type)); 7728fe960a1SDavid E. O'Brien fprintf(out, "\tsh_flags: %s\n", sh_flags[flags & 0x7]); 77375ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_addr: %#jx\n", addr); 77475ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_offset: %jd\n", (intmax_t)offset); 77575ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_size: %jd\n", (intmax_t)size); 77675ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_link: %jd\n", (intmax_t)shlink); 77775ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_info: %jd\n", (intmax_t)info); 77875ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_addralign: %jd\n", (intmax_t)addralign); 77975ca4dcfSDavid E. O'Brien fprintf(out, "\tsh_entsize: %jd\n", (intmax_t)entsize); 7808fe960a1SDavid E. O'Brien } 7818fe960a1SDavid E. O'Brien } 7828fe960a1SDavid E. O'Brien 783bf70beceSEd Schouten static void 7840529c56bSDavid E. O'Brien elf_print_symtab(Elf32_Ehdr *e, void *sh, char *str) 7858fe960a1SDavid E. O'Brien { 7868fe960a1SDavid E. O'Brien u_int64_t offset; 7878fe960a1SDavid E. O'Brien u_int64_t entsize; 7888fe960a1SDavid E. O'Brien u_int64_t size; 7898fe960a1SDavid E. O'Brien u_int64_t name; 7908fe960a1SDavid E. O'Brien u_int64_t value; 7918fe960a1SDavid E. O'Brien u_int64_t info; 7928fe960a1SDavid E. O'Brien u_int64_t shndx; 7938fe960a1SDavid E. O'Brien void *st; 7948fe960a1SDavid E. O'Brien int len; 7958fe960a1SDavid E. O'Brien int i; 7968fe960a1SDavid E. O'Brien 7978fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 7988fe960a1SDavid E. O'Brien entsize = elf_get_size(e, sh, SH_ENTSIZE); 7998fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 8008fe960a1SDavid E. O'Brien name = elf_get_word(e, sh, SH_NAME); 8018fe960a1SDavid E. O'Brien len = size / entsize; 8028fe960a1SDavid E. O'Brien fprintf(out, "\nsymbol table (%s):\n", shstrtab + name); 8038fe960a1SDavid E. O'Brien for (i = 0; i < len; i++) { 80436210553SDavid E. O'Brien st = (char *)e + offset + i * entsize; 8058fe960a1SDavid E. O'Brien name = elf_get_word(e, st, ST_NAME); 8068fe960a1SDavid E. O'Brien value = elf_get_addr(e, st, ST_VALUE); 8078fe960a1SDavid E. O'Brien size = elf_get_size(e, st, ST_SIZE); 8088fe960a1SDavid E. O'Brien info = elf_get_byte(e, st, ST_INFO); 8098fe960a1SDavid E. O'Brien shndx = elf_get_quarter(e, st, ST_SHNDX); 8108fe960a1SDavid E. O'Brien fprintf(out, "\n"); 8118fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 8128fe960a1SDavid E. O'Brien fprintf(out, "\tst_name: %s\n", str + name); 81375ca4dcfSDavid E. O'Brien fprintf(out, "\tst_value: %#jx\n", value); 81475ca4dcfSDavid E. O'Brien fprintf(out, "\tst_size: %jd\n", (intmax_t)size); 8158fe960a1SDavid E. O'Brien fprintf(out, "\tst_info: %s %s\n", 8168fe960a1SDavid E. O'Brien st_types[ELF32_ST_TYPE(info)], 8178fe960a1SDavid E. O'Brien st_bindings[ELF32_ST_BIND(info)]); 81875ca4dcfSDavid E. O'Brien fprintf(out, "\tst_shndx: %jd\n", (intmax_t)shndx); 8198fe960a1SDavid E. O'Brien } 8208fe960a1SDavid E. O'Brien } 8218fe960a1SDavid E. O'Brien 822bf70beceSEd Schouten static void 8230529c56bSDavid E. O'Brien elf_print_dynamic(Elf32_Ehdr *e, void *sh) 8248fe960a1SDavid E. O'Brien { 8258fe960a1SDavid E. O'Brien u_int64_t offset; 8268fe960a1SDavid E. O'Brien u_int64_t entsize; 8278fe960a1SDavid E. O'Brien u_int64_t size; 8288fe960a1SDavid E. O'Brien int64_t tag; 8298fe960a1SDavid E. O'Brien u_int64_t ptr; 8308fe960a1SDavid E. O'Brien u_int64_t val; 8318fe960a1SDavid E. O'Brien void *d; 8328fe960a1SDavid E. O'Brien int i; 8338fe960a1SDavid E. O'Brien 8348fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 8358fe960a1SDavid E. O'Brien entsize = elf_get_size(e, sh, SH_ENTSIZE); 8368fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 8378fe960a1SDavid E. O'Brien fprintf(out, "\ndynamic:\n"); 83836210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < size / entsize; i++) { 83936210553SDavid E. O'Brien d = (char *)e + offset + i * entsize; 8408fe960a1SDavid E. O'Brien tag = elf_get_size(e, d, D_TAG); 8418fe960a1SDavid E. O'Brien ptr = elf_get_size(e, d, D_PTR); 8428fe960a1SDavid E. O'Brien val = elf_get_addr(e, d, D_VAL); 8438fe960a1SDavid E. O'Brien fprintf(out, "\n"); 8448fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 8453df3bb12SDavid E. O'Brien fprintf(out, "\td_tag: %s\n", d_tags(tag)); 8468fe960a1SDavid E. O'Brien switch (tag) { 8478fe960a1SDavid E. O'Brien case DT_NEEDED: 8488fe960a1SDavid E. O'Brien case DT_SONAME: 8498fe960a1SDavid E. O'Brien case DT_RPATH: 8508fe960a1SDavid E. O'Brien fprintf(out, "\td_val: %s\n", dynstr + val); 8518fe960a1SDavid E. O'Brien break; 8528fe960a1SDavid E. O'Brien case DT_PLTRELSZ: 8538fe960a1SDavid E. O'Brien case DT_RELA: 8548fe960a1SDavid E. O'Brien case DT_RELASZ: 8558fe960a1SDavid E. O'Brien case DT_RELAENT: 8568fe960a1SDavid E. O'Brien case DT_STRSZ: 8578fe960a1SDavid E. O'Brien case DT_SYMENT: 8588fe960a1SDavid E. O'Brien case DT_RELSZ: 8598fe960a1SDavid E. O'Brien case DT_RELENT: 8608fe960a1SDavid E. O'Brien case DT_PLTREL: 86175ca4dcfSDavid E. O'Brien fprintf(out, "\td_val: %jd\n", (intmax_t)val); 8628fe960a1SDavid E. O'Brien break; 8638fe960a1SDavid E. O'Brien case DT_PLTGOT: 8648fe960a1SDavid E. O'Brien case DT_HASH: 8658fe960a1SDavid E. O'Brien case DT_STRTAB: 8668fe960a1SDavid E. O'Brien case DT_SYMTAB: 8678fe960a1SDavid E. O'Brien case DT_INIT: 8688fe960a1SDavid E. O'Brien case DT_FINI: 8698fe960a1SDavid E. O'Brien case DT_REL: 8708fe960a1SDavid E. O'Brien case DT_JMPREL: 87175ca4dcfSDavid E. O'Brien fprintf(out, "\td_ptr: %#jx\n", ptr); 8728fe960a1SDavid E. O'Brien break; 8738fe960a1SDavid E. O'Brien case DT_NULL: 8748fe960a1SDavid E. O'Brien case DT_SYMBOLIC: 8758fe960a1SDavid E. O'Brien case DT_DEBUG: 8768fe960a1SDavid E. O'Brien case DT_TEXTREL: 8778fe960a1SDavid E. O'Brien break; 8788fe960a1SDavid E. O'Brien } 8798fe960a1SDavid E. O'Brien } 8808fe960a1SDavid E. O'Brien } 8818fe960a1SDavid E. O'Brien 882bf70beceSEd Schouten static void 8830529c56bSDavid E. O'Brien elf_print_rela(Elf32_Ehdr *e, void *sh) 8848fe960a1SDavid E. O'Brien { 8858fe960a1SDavid E. O'Brien u_int64_t offset; 8868fe960a1SDavid E. O'Brien u_int64_t entsize; 8878fe960a1SDavid E. O'Brien u_int64_t size; 8888fe960a1SDavid E. O'Brien u_int64_t name; 8898fe960a1SDavid E. O'Brien u_int64_t info; 8908fe960a1SDavid E. O'Brien int64_t addend; 8918fe960a1SDavid E. O'Brien void *ra; 8928fe960a1SDavid E. O'Brien void *v; 8938fe960a1SDavid E. O'Brien int i; 8948fe960a1SDavid E. O'Brien 8958fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 8968fe960a1SDavid E. O'Brien entsize = elf_get_size(e, sh, SH_ENTSIZE); 8978fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 8988fe960a1SDavid E. O'Brien name = elf_get_word(e, sh, SH_NAME); 89936210553SDavid E. O'Brien v = (char *)e + offset; 9008fe960a1SDavid E. O'Brien fprintf(out, "\nrelocation with addend (%s):\n", shstrtab + name); 90136210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < size / entsize; i++) { 90236210553SDavid E. O'Brien ra = (char *)v + i * entsize; 9038fe960a1SDavid E. O'Brien offset = elf_get_addr(e, ra, RA_OFFSET); 9048fe960a1SDavid E. O'Brien info = elf_get_word(e, ra, RA_INFO); 9058fe960a1SDavid E. O'Brien addend = elf_get_off(e, ra, RA_ADDEND); 9068fe960a1SDavid E. O'Brien fprintf(out, "\n"); 9078fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 90875ca4dcfSDavid E. O'Brien fprintf(out, "\tr_offset: %#jx\n", offset); 90975ca4dcfSDavid E. O'Brien fprintf(out, "\tr_info: %jd\n", (intmax_t)info); 91075ca4dcfSDavid E. O'Brien fprintf(out, "\tr_addend: %jd\n", (intmax_t)addend); 9118fe960a1SDavid E. O'Brien } 9128fe960a1SDavid E. O'Brien } 9138fe960a1SDavid E. O'Brien 914bf70beceSEd Schouten static void 9150529c56bSDavid E. O'Brien elf_print_rel(Elf32_Ehdr *e, void *sh) 9168fe960a1SDavid E. O'Brien { 9178fe960a1SDavid E. O'Brien u_int64_t offset; 9188fe960a1SDavid E. O'Brien u_int64_t entsize; 9198fe960a1SDavid E. O'Brien u_int64_t size; 9208fe960a1SDavid E. O'Brien u_int64_t name; 9218fe960a1SDavid E. O'Brien u_int64_t info; 9228fe960a1SDavid E. O'Brien void *r; 9238fe960a1SDavid E. O'Brien void *v; 9248fe960a1SDavid E. O'Brien int i; 9258fe960a1SDavid E. O'Brien 9268fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 9278fe960a1SDavid E. O'Brien entsize = elf_get_size(e, sh, SH_ENTSIZE); 9288fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 9298fe960a1SDavid E. O'Brien name = elf_get_word(e, sh, SH_NAME); 93036210553SDavid E. O'Brien v = (char *)e + offset; 9318fe960a1SDavid E. O'Brien fprintf(out, "\nrelocation (%s):\n", shstrtab + name); 93236210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < size / entsize; i++) { 93336210553SDavid E. O'Brien r = (char *)v + i * entsize; 9348fe960a1SDavid E. O'Brien offset = elf_get_addr(e, r, R_OFFSET); 9358fe960a1SDavid E. O'Brien info = elf_get_word(e, r, R_INFO); 9368fe960a1SDavid E. O'Brien fprintf(out, "\n"); 9378fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 93875ca4dcfSDavid E. O'Brien fprintf(out, "\tr_offset: %#jx\n", offset); 93975ca4dcfSDavid E. O'Brien fprintf(out, "\tr_info: %jd\n", (intmax_t)info); 9408fe960a1SDavid E. O'Brien } 9418fe960a1SDavid E. O'Brien } 9428fe960a1SDavid E. O'Brien 943bf70beceSEd Schouten static void 9440529c56bSDavid E. O'Brien elf_print_interp(Elf32_Ehdr *e, void *p) 9458fe960a1SDavid E. O'Brien { 9468fe960a1SDavid E. O'Brien u_int64_t offset; 9478fe960a1SDavid E. O'Brien char *s; 9488fe960a1SDavid E. O'Brien 9498fe960a1SDavid E. O'Brien offset = elf_get_off(e, p, P_OFFSET); 9500529c56bSDavid E. O'Brien s = (char *)e + offset; 9518fe960a1SDavid E. O'Brien fprintf(out, "\ninterp:\n"); 9528fe960a1SDavid E. O'Brien fprintf(out, "\t%s\n", s); 9538fe960a1SDavid E. O'Brien } 9548fe960a1SDavid E. O'Brien 955bf70beceSEd Schouten static void 9560529c56bSDavid E. O'Brien elf_print_got(Elf32_Ehdr *e, void *sh) 9578fe960a1SDavid E. O'Brien { 9588fe960a1SDavid E. O'Brien u_int64_t offset; 9598fe960a1SDavid E. O'Brien u_int64_t addralign; 9608fe960a1SDavid E. O'Brien u_int64_t size; 9618fe960a1SDavid E. O'Brien u_int64_t addr; 9628fe960a1SDavid E. O'Brien void *v; 9638fe960a1SDavid E. O'Brien int i; 9648fe960a1SDavid E. O'Brien 9658fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 9668fe960a1SDavid E. O'Brien addralign = elf_get_size(e, sh, SH_ADDRALIGN); 9678fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 96836210553SDavid E. O'Brien v = (char *)e + offset; 9698fe960a1SDavid E. O'Brien fprintf(out, "\nglobal offset table:\n"); 97036210553SDavid E. O'Brien for (i = 0; (u_int64_t)i < size / addralign; i++) { 97136210553SDavid E. O'Brien addr = elf_get_addr(e, (char *)v + i * addralign, 0); 9728fe960a1SDavid E. O'Brien fprintf(out, "\n"); 9738fe960a1SDavid E. O'Brien fprintf(out, "entry: %d\n", i); 97475ca4dcfSDavid E. O'Brien fprintf(out, "\t%#jx\n", addr); 9758fe960a1SDavid E. O'Brien } 9768fe960a1SDavid E. O'Brien } 9778fe960a1SDavid E. O'Brien 978bf70beceSEd Schouten static void 97936210553SDavid E. O'Brien elf_print_hash(Elf32_Ehdr *e __unused, void *sh __unused) 9808fe960a1SDavid E. O'Brien { 9818fe960a1SDavid E. O'Brien } 9828fe960a1SDavid E. O'Brien 983bf70beceSEd Schouten static void 9840529c56bSDavid E. O'Brien elf_print_note(Elf32_Ehdr *e, void *sh) 9858fe960a1SDavid E. O'Brien { 9868fe960a1SDavid E. O'Brien u_int64_t offset; 9878fe960a1SDavid E. O'Brien u_int64_t size; 9888fe960a1SDavid E. O'Brien u_int64_t name; 9898fe960a1SDavid E. O'Brien u_int32_t namesz; 9908fe960a1SDavid E. O'Brien u_int32_t descsz; 9918fe960a1SDavid E. O'Brien u_int32_t desc; 99236210553SDavid E. O'Brien char *n, *s; 9938fe960a1SDavid E. O'Brien 9948fe960a1SDavid E. O'Brien offset = elf_get_off(e, sh, SH_OFFSET); 9958fe960a1SDavid E. O'Brien size = elf_get_size(e, sh, SH_SIZE); 9968fe960a1SDavid E. O'Brien name = elf_get_word(e, sh, SH_NAME); 99736210553SDavid E. O'Brien n = (char *)e + offset; 9988fe960a1SDavid E. O'Brien fprintf(out, "\nnote (%s):\n", shstrtab + name); 99936210553SDavid E. O'Brien while (n < ((char *)e + offset + size)) { 10008fe960a1SDavid E. O'Brien namesz = elf_get_word(e, n, N_NAMESZ); 10018fe960a1SDavid E. O'Brien descsz = elf_get_word(e, n, N_DESCSZ); 10028fe960a1SDavid E. O'Brien s = n + sizeof(Elf_Note); 10038fe960a1SDavid E. O'Brien desc = elf_get_word(e, n + sizeof(Elf_Note) + namesz, 0); 10048fe960a1SDavid E. O'Brien fprintf(out, "\t%s %d\n", s, desc); 10058fe960a1SDavid E. O'Brien n += sizeof(Elf_Note) + namesz + descsz; 10068fe960a1SDavid E. O'Brien } 10078fe960a1SDavid E. O'Brien } 10088fe960a1SDavid E. O'Brien 1009bf70beceSEd Schouten static u_int64_t 10108fe960a1SDavid E. O'Brien elf_get_byte(Elf32_Ehdr *e, void *base, elf_member_t member) 10118fe960a1SDavid E. O'Brien { 10128fe960a1SDavid E. O'Brien u_int64_t val; 10138fe960a1SDavid E. O'Brien 10148fe960a1SDavid E. O'Brien val = 0; 10158fe960a1SDavid E. O'Brien switch (e->e_ident[EI_CLASS]) { 10168fe960a1SDavid E. O'Brien case ELFCLASS32: 1017ead61635SMarcel Moolenaar val = ((uint8_t *)base)[elf32_offsets[member]]; 10188fe960a1SDavid E. O'Brien break; 10198fe960a1SDavid E. O'Brien case ELFCLASS64: 1020ead61635SMarcel Moolenaar val = ((uint8_t *)base)[elf64_offsets[member]]; 10218fe960a1SDavid E. O'Brien break; 10228fe960a1SDavid E. O'Brien case ELFCLASSNONE: 10238fe960a1SDavid E. O'Brien errx(1, "invalid class"); 10248fe960a1SDavid E. O'Brien } 10258fe960a1SDavid E. O'Brien 10268fe960a1SDavid E. O'Brien return val; 10278fe960a1SDavid E. O'Brien } 10288fe960a1SDavid E. O'Brien 1029bf70beceSEd Schouten static u_int64_t 10308fe960a1SDavid E. O'Brien elf_get_quarter(Elf32_Ehdr *e, void *base, elf_member_t member) 10318fe960a1SDavid E. O'Brien { 10328fe960a1SDavid E. O'Brien u_int64_t val; 10338fe960a1SDavid E. O'Brien 10348fe960a1SDavid E. O'Brien val = 0; 10358fe960a1SDavid E. O'Brien switch (e->e_ident[EI_CLASS]) { 10368fe960a1SDavid E. O'Brien case ELFCLASS32: 1037ac2ded1dSMarcel Moolenaar base = (char *)base + elf32_offsets[member]; 10388fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 10398fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1040ac2ded1dSMarcel Moolenaar val = be16dec(base); 10418fe960a1SDavid E. O'Brien break; 10428fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1043ac2ded1dSMarcel Moolenaar val = le16dec(base); 10448fe960a1SDavid E. O'Brien break; 10458fe960a1SDavid E. O'Brien case ELFDATANONE: 10468fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 10478fe960a1SDavid E. O'Brien } 10488fe960a1SDavid E. O'Brien break; 10498fe960a1SDavid E. O'Brien case ELFCLASS64: 1050ac2ded1dSMarcel Moolenaar base = (char *)base + elf64_offsets[member]; 10518fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 10528fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1053ac2ded1dSMarcel Moolenaar val = be16dec(base); 10548fe960a1SDavid E. O'Brien break; 10558fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1056ac2ded1dSMarcel Moolenaar val = le16dec(base); 10578fe960a1SDavid E. O'Brien break; 10588fe960a1SDavid E. O'Brien case ELFDATANONE: 10598fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 10608fe960a1SDavid E. O'Brien } 10618fe960a1SDavid E. O'Brien break; 10628fe960a1SDavid E. O'Brien case ELFCLASSNONE: 10638fe960a1SDavid E. O'Brien errx(1, "invalid class"); 10648fe960a1SDavid E. O'Brien } 10658fe960a1SDavid E. O'Brien 10668fe960a1SDavid E. O'Brien return val; 10678fe960a1SDavid E. O'Brien } 10688fe960a1SDavid E. O'Brien 1069bf70beceSEd Schouten #if 0 1070bf70beceSEd Schouten static u_int64_t 10718fe960a1SDavid E. O'Brien elf_get_half(Elf32_Ehdr *e, void *base, elf_member_t member) 10728fe960a1SDavid E. O'Brien { 10738fe960a1SDavid E. O'Brien u_int64_t val; 10748fe960a1SDavid E. O'Brien 10758fe960a1SDavid E. O'Brien val = 0; 10768fe960a1SDavid E. O'Brien switch (e->e_ident[EI_CLASS]) { 10778fe960a1SDavid E. O'Brien case ELFCLASS32: 1078ac2ded1dSMarcel Moolenaar base = (char *)base + elf32_offsets[member]; 10798fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 10808fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1081ac2ded1dSMarcel Moolenaar val = be16dec(base); 10828fe960a1SDavid E. O'Brien break; 10838fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1084ac2ded1dSMarcel Moolenaar val = le16dec(base); 10858fe960a1SDavid E. O'Brien break; 10868fe960a1SDavid E. O'Brien case ELFDATANONE: 10878fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 10888fe960a1SDavid E. O'Brien } 10898fe960a1SDavid E. O'Brien break; 10908fe960a1SDavid E. O'Brien case ELFCLASS64: 1091ac2ded1dSMarcel Moolenaar base = (char *)base + elf64_offsets[member]; 10928fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 10938fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1094ac2ded1dSMarcel Moolenaar val = be32dec(base); 10958fe960a1SDavid E. O'Brien break; 10968fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1097ac2ded1dSMarcel Moolenaar val = le32dec(base); 10988fe960a1SDavid E. O'Brien break; 10998fe960a1SDavid E. O'Brien case ELFDATANONE: 11008fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 11018fe960a1SDavid E. O'Brien } 11028fe960a1SDavid E. O'Brien break; 11038fe960a1SDavid E. O'Brien case ELFCLASSNONE: 11048fe960a1SDavid E. O'Brien errx(1, "invalid class"); 11058fe960a1SDavid E. O'Brien } 11068fe960a1SDavid E. O'Brien 11078fe960a1SDavid E. O'Brien return val; 11088fe960a1SDavid E. O'Brien } 1109bf70beceSEd Schouten #endif 11108fe960a1SDavid E. O'Brien 1111bf70beceSEd Schouten static u_int64_t 11128fe960a1SDavid E. O'Brien elf_get_word(Elf32_Ehdr *e, void *base, elf_member_t member) 11138fe960a1SDavid E. O'Brien { 11148fe960a1SDavid E. O'Brien u_int64_t val; 11158fe960a1SDavid E. O'Brien 11168fe960a1SDavid E. O'Brien val = 0; 11178fe960a1SDavid E. O'Brien switch (e->e_ident[EI_CLASS]) { 11188fe960a1SDavid E. O'Brien case ELFCLASS32: 1119ac2ded1dSMarcel Moolenaar base = (char *)base + elf32_offsets[member]; 11208fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 11218fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1122ac2ded1dSMarcel Moolenaar val = be32dec(base); 11238fe960a1SDavid E. O'Brien break; 11248fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1125ac2ded1dSMarcel Moolenaar val = le32dec(base); 11268fe960a1SDavid E. O'Brien break; 11278fe960a1SDavid E. O'Brien case ELFDATANONE: 11288fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 11298fe960a1SDavid E. O'Brien } 11308fe960a1SDavid E. O'Brien break; 11318fe960a1SDavid E. O'Brien case ELFCLASS64: 1132ac2ded1dSMarcel Moolenaar base = (char *)base + elf64_offsets[member]; 11338fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 11348fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1135ac2ded1dSMarcel Moolenaar val = be32dec(base); 11368fe960a1SDavid E. O'Brien break; 11378fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1138ac2ded1dSMarcel Moolenaar val = le32dec(base); 11398fe960a1SDavid E. O'Brien break; 11408fe960a1SDavid E. O'Brien case ELFDATANONE: 11418fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 11428fe960a1SDavid E. O'Brien } 11438fe960a1SDavid E. O'Brien break; 11448fe960a1SDavid E. O'Brien case ELFCLASSNONE: 11458fe960a1SDavid E. O'Brien errx(1, "invalid class"); 11468fe960a1SDavid E. O'Brien } 11478fe960a1SDavid E. O'Brien 11488fe960a1SDavid E. O'Brien return val; 11498fe960a1SDavid E. O'Brien } 11508fe960a1SDavid E. O'Brien 1151bf70beceSEd Schouten static u_int64_t 11528fe960a1SDavid E. O'Brien elf_get_quad(Elf32_Ehdr *e, void *base, elf_member_t member) 11538fe960a1SDavid E. O'Brien { 11548fe960a1SDavid E. O'Brien u_int64_t val; 11558fe960a1SDavid E. O'Brien 11568fe960a1SDavid E. O'Brien val = 0; 11578fe960a1SDavid E. O'Brien switch (e->e_ident[EI_CLASS]) { 11588fe960a1SDavid E. O'Brien case ELFCLASS32: 1159ac2ded1dSMarcel Moolenaar base = (char *)base + elf32_offsets[member]; 11608fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 11618fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1162ac2ded1dSMarcel Moolenaar val = be32dec(base); 11638fe960a1SDavid E. O'Brien break; 11648fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1165ac2ded1dSMarcel Moolenaar val = le32dec(base); 11668fe960a1SDavid E. O'Brien break; 11678fe960a1SDavid E. O'Brien case ELFDATANONE: 11688fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 11698fe960a1SDavid E. O'Brien } 11708fe960a1SDavid E. O'Brien break; 11718fe960a1SDavid E. O'Brien case ELFCLASS64: 1172ac2ded1dSMarcel Moolenaar base = (char *)base + elf64_offsets[member]; 11738fe960a1SDavid E. O'Brien switch (e->e_ident[EI_DATA]) { 11748fe960a1SDavid E. O'Brien case ELFDATA2MSB: 1175ac2ded1dSMarcel Moolenaar val = be64dec(base); 11768fe960a1SDavid E. O'Brien break; 11778fe960a1SDavid E. O'Brien case ELFDATA2LSB: 1178ac2ded1dSMarcel Moolenaar val = le64dec(base); 11798fe960a1SDavid E. O'Brien break; 11808fe960a1SDavid E. O'Brien case ELFDATANONE: 11818fe960a1SDavid E. O'Brien errx(1, "invalid data format"); 11828fe960a1SDavid E. O'Brien } 11838fe960a1SDavid E. O'Brien break; 11848fe960a1SDavid E. O'Brien case ELFCLASSNONE: 11858fe960a1SDavid E. O'Brien errx(1, "invalid class"); 11868fe960a1SDavid E. O'Brien } 11878fe960a1SDavid E. O'Brien 11888fe960a1SDavid E. O'Brien return val; 11898fe960a1SDavid E. O'Brien } 11908fe960a1SDavid E. O'Brien 1191bf70beceSEd Schouten static void 11928fe960a1SDavid E. O'Brien usage(void) 11938fe960a1SDavid E. O'Brien { 119473e57b80SRuslan Ermilov fprintf(stderr, "usage: elfdump -a | -cdeGhinprs [-w file] file\n"); 11958fe960a1SDavid E. O'Brien exit(1); 11968fe960a1SDavid E. O'Brien } 1197