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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <sgs.h> 28 #include <_debug.h> 29 #include <conv.h> 30 #include <msg.h> 31 32 void 33 Elf_ehdr(Lm_list *lml, Ehdr *ehdr, Shdr *shdr0) 34 { 35 Conv_inv_buf_t inv_buf1, inv_buf2; 36 Conv_ehdr_flags_buf_t flags_buf; 37 Conv_sec_flags_buf_t sec_flags_buf; 38 Byte *byte = &(ehdr->e_ident[0]); 39 const char *flgs; 40 int xshdr = 0; 41 uchar_t osabi = ehdr->e_ident[EI_OSABI]; 42 Half mach = ehdr->e_machine; 43 44 dbg_print(lml, MSG_ORIG(MSG_STR_EMPTY)); 45 dbg_print(lml, MSG_INTL(MSG_ELF_HEADER)); 46 47 dbg_print(lml, MSG_ORIG(MSG_ELF_MAGIC), byte[EI_MAG0], 48 (byte[EI_MAG1] ? byte[EI_MAG1] : '0'), 49 (byte[EI_MAG2] ? byte[EI_MAG2] : '0'), 50 (byte[EI_MAG3] ? byte[EI_MAG3] : '0')); 51 dbg_print(lml, MSG_ORIG(MSG_ELF_CLASS), 52 conv_ehdr_class(ehdr->e_ident[EI_CLASS], 0, &inv_buf1), 53 conv_ehdr_data(ehdr->e_ident[EI_DATA], 0, &inv_buf2)); 54 dbg_print(lml, MSG_ORIG(MSG_ELF_OSABI), 55 conv_ehdr_osabi(ehdr->e_ident[EI_OSABI], 0, &inv_buf1), 56 conv_ehdr_abivers(ehdr->e_ident[EI_OSABI], 57 ehdr->e_ident[EI_ABIVERSION], CONV_FMT_DECIMAL, &inv_buf2)); 58 dbg_print(lml, MSG_ORIG(MSG_ELF_MACHINE), 59 conv_ehdr_mach(mach, 0, &inv_buf1), 60 conv_ehdr_vers(ehdr->e_version, 0, &inv_buf2)); 61 dbg_print(lml, MSG_ORIG(MSG_ELF_TYPE), 62 conv_ehdr_type(osabi, ehdr->e_type, 0, &inv_buf1)); 63 64 /* 65 * Line up the flags differently depending on whether we received a 66 * numeric (e.g. "0x200") or text representation (e.g. 67 * "[ EF_SPARC_SUN_US1 ]"). 68 */ 69 flgs = conv_ehdr_flags(mach, ehdr->e_flags, 0, &flags_buf); 70 if (flgs[0] == '[') 71 dbg_print(lml, MSG_ORIG(MSG_ELF_FLAGS_FMT), flgs); 72 else 73 dbg_print(lml, MSG_ORIG(MSG_ELF_FLAGS), flgs); 74 75 /* 76 * The e_shnum, e_shstrndx and e_phnum entries may have a different 77 * meaning if extended sections exist. 78 */ 79 if (ehdr->e_shstrndx == SHN_XINDEX) { 80 dbg_print(lml, MSG_ORIG(MSG_ELFX_ESIZE), 81 EC_ADDR(ehdr->e_entry), ehdr->e_ehsize); 82 xshdr++; 83 } else 84 dbg_print(lml, MSG_ORIG(MSG_ELF_ESIZE), EC_ADDR(ehdr->e_entry), 85 ehdr->e_ehsize, ehdr->e_shstrndx); 86 87 if (ehdr->e_shnum == 0) { 88 dbg_print(lml, MSG_ORIG(MSG_ELFX_SHOFF), EC_OFF(ehdr->e_shoff), 89 ehdr->e_shentsize); 90 xshdr++; 91 } else 92 dbg_print(lml, MSG_ORIG(MSG_ELF_SHOFF), EC_OFF(ehdr->e_shoff), 93 ehdr->e_shentsize, ehdr->e_shnum); 94 95 if (ehdr->e_phnum == PN_XNUM) { 96 dbg_print(lml, MSG_ORIG(MSG_ELFX_PHOFF), EC_OFF(ehdr->e_phoff), 97 ehdr->e_phentsize); 98 xshdr++; 99 } else 100 dbg_print(lml, MSG_ORIG(MSG_ELF_PHOFF), EC_OFF(ehdr->e_phoff), 101 ehdr->e_phentsize, ehdr->e_phnum); 102 103 if ((xshdr == 0) || (shdr0 == NULL)) 104 return; 105 106 /* 107 * If we have Extended ELF headers - print shdr[0]. 108 */ 109 dbg_print(lml, MSG_ORIG(MSG_STR_EMPTY)); 110 dbg_print(lml, MSG_ORIG(MSG_SHD0_TITLE)); 111 dbg_print(lml, MSG_ORIG(MSG_SHD0_ADDR), EC_ADDR(shdr0->sh_addr), 112 conv_sec_flags(osabi, mach, shdr0->sh_flags, 0, &sec_flags_buf)); 113 dbg_print(lml, MSG_ORIG(MSG_SHD0_SIZE), EC_XWORD(shdr0->sh_size), 114 conv_sec_type(osabi, mach, shdr0->sh_type, 0, &inv_buf1)); 115 dbg_print(lml, MSG_ORIG(MSG_SHD0_OFFSET), EC_OFF(shdr0->sh_offset), 116 EC_XWORD(shdr0->sh_entsize)); 117 dbg_print(lml, MSG_ORIG(MSG_SHD0_LINK), EC_WORD(shdr0->sh_link), 118 EC_WORD(shdr0->sh_info)); 119 dbg_print(lml, MSG_ORIG(MSG_SHD0_ALIGN), EC_XWORD(shdr0->sh_addralign)); 120 } 121