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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <sgs.h> 29 #include <_debug.h> 30 #include <conv.h> 31 #include <msg.h> 32 33 void 34 Elf_ehdr(Lm_list *lml, Ehdr *ehdr, Shdr *shdr0) 35 { 36 Conv_inv_buf_t inv_buf1, inv_buf2; 37 Conv_ehdr_flags_buf_t flags_buf; 38 Conv_sec_flags_buf_t sec_flags_buf; 39 Byte *byte = &(ehdr->e_ident[0]); 40 const char *flgs; 41 int xshdr = 0; 42 43 dbg_print(lml, MSG_ORIG(MSG_STR_EMPTY)); 44 dbg_print(lml, MSG_INTL(MSG_ELF_HEADER)); 45 46 dbg_print(lml, MSG_ORIG(MSG_ELF_MAGIC), byte[EI_MAG0], 47 (byte[EI_MAG1] ? byte[EI_MAG1] : '0'), 48 (byte[EI_MAG2] ? byte[EI_MAG2] : '0'), 49 (byte[EI_MAG3] ? byte[EI_MAG3] : '0')); 50 dbg_print(lml, MSG_ORIG(MSG_ELF_CLASS), 51 conv_ehdr_class(ehdr->e_ident[EI_CLASS], 0, &inv_buf1), 52 conv_ehdr_data(ehdr->e_ident[EI_DATA], 0, &inv_buf2)); 53 dbg_print(lml, MSG_ORIG(MSG_ELF_MACHINE), 54 conv_ehdr_mach(ehdr->e_machine, 0, &inv_buf1), 55 conv_ehdr_vers(ehdr->e_version, 0, &inv_buf2)); 56 dbg_print(lml, MSG_ORIG(MSG_ELF_TYPE), 57 conv_ehdr_type(ehdr->e_type, 0, &inv_buf1)); 58 59 /* 60 * Line up the flags differently depending on whether we received a 61 * numeric (e.g. "0x200") or text representation (e.g. 62 * "[ EF_SPARC_SUN_US1 ]"). 63 */ 64 flgs = conv_ehdr_flags(ehdr->e_machine, ehdr->e_flags, &flags_buf); 65 if (flgs[0] == '[') 66 dbg_print(lml, MSG_ORIG(MSG_ELF_FLAGS_FMT), flgs); 67 else 68 dbg_print(lml, MSG_ORIG(MSG_ELF_FLAGS), flgs); 69 70 /* 71 * The e_shnum, e_shstrndx and e_phnum entries may have a different 72 * meaning if extended sections exist. 73 */ 74 if (ehdr->e_shstrndx == SHN_XINDEX) { 75 dbg_print(lml, MSG_ORIG(MSG_ELFX_ESIZE), 76 EC_ADDR(ehdr->e_entry), ehdr->e_ehsize); 77 xshdr++; 78 } else 79 dbg_print(lml, MSG_ORIG(MSG_ELF_ESIZE), EC_ADDR(ehdr->e_entry), 80 ehdr->e_ehsize, ehdr->e_shstrndx); 81 82 if (ehdr->e_shnum == 0) { 83 dbg_print(lml, MSG_ORIG(MSG_ELFX_SHOFF), EC_OFF(ehdr->e_shoff), 84 ehdr->e_shentsize); 85 xshdr++; 86 } else 87 dbg_print(lml, MSG_ORIG(MSG_ELF_SHOFF), EC_OFF(ehdr->e_shoff), 88 ehdr->e_shentsize, ehdr->e_shnum); 89 90 if (ehdr->e_phnum == PN_XNUM) { 91 dbg_print(lml, MSG_ORIG(MSG_ELFX_PHOFF), EC_OFF(ehdr->e_phoff), 92 ehdr->e_phentsize); 93 xshdr++; 94 } else 95 dbg_print(lml, MSG_ORIG(MSG_ELF_PHOFF), EC_OFF(ehdr->e_phoff), 96 ehdr->e_phentsize, ehdr->e_phnum); 97 98 if ((xshdr == 0) || (shdr0 == NULL)) 99 return; 100 101 /* 102 * If we have Extended ELF headers - print shdr[0]. 103 */ 104 dbg_print(lml, MSG_ORIG(MSG_STR_EMPTY)); 105 dbg_print(lml, MSG_ORIG(MSG_SHD0_TITLE)); 106 dbg_print(lml, MSG_ORIG(MSG_SHD0_ADDR), EC_ADDR(shdr0->sh_addr), 107 conv_sec_flags(shdr0->sh_flags, &sec_flags_buf)); 108 dbg_print(lml, MSG_ORIG(MSG_SHD0_SIZE), EC_XWORD(shdr0->sh_size), 109 conv_sec_type(ehdr->e_machine, shdr0->sh_type, 0, &inv_buf1)); 110 dbg_print(lml, MSG_ORIG(MSG_SHD0_OFFSET), EC_OFF(shdr0->sh_offset), 111 EC_XWORD(shdr0->sh_entsize)); 112 dbg_print(lml, MSG_ORIG(MSG_SHD0_LINK), EC_WORD(shdr0->sh_link), 113 EC_WORD(shdr0->sh_info)); 114 dbg_print(lml, MSG_ORIG(MSG_SHD0_ALIGN), EC_XWORD(shdr0->sh_addralign)); 115 } 116