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 (c) 1988 AT&T 24 * All Rights Reserved 25 * 26 * 27 * Copyright 1999-2003 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _MCS_H 32 #define _MCS_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <stdarg.h> 43 #include <unistd.h> 44 #include <libelf.h> 45 #include <ar.h> 46 #include <string.h> 47 #include <signal.h> 48 #include <sys/stat.h> 49 #include <fcntl.h> 50 #include <memory.h> 51 #include <locale.h> 52 #include <sys/mman.h> 53 #include "sgs.h" 54 #include "gelf.h" 55 56 #define FORMAT "%-16s%-12ld%-6u%-6u%-8o%-10ld%-2s" 57 #define ROUNDUP(x) (((x) + 1) & ~1) 58 #define TMPDIR "/tmp" 59 60 #define DELETED -1 /* The section will be removed */ 61 #define NULLED -2 /* The section will be nulled */ 62 #define EXPANDED -3 /* The size of the section expanded */ 63 #define SHRUNK -4 /* The section shrinked */ 64 65 #define ACT_NOP 0x00000000 66 #define ACT_DELETE 0x00000001 67 #define ACT_PRINT 0x00000002 68 #define ACT_COMPRESS 0x00000003 69 #define ACT_APPEND 0x00000004 70 #define ACT_ZAP 0x00000005 71 #define SET_ACTION(x, y) x = (x & 0xfffffff0) | y 72 #define GET_ACTION(x) (x & 0x0000000f) 73 74 #define NOSEG 0x00000010 75 #define IN 0x00000020 /* section is IN a segment */ 76 #define PRIOR 0x00000030 /* section is PRIOR to a segment */ 77 #define AFTER 0x00000040 /* section is AFTER a segment */ 78 #define SET_LOC(x, y) x = (x & 0xffffff0f) | y 79 #define GET_LOC(x) (x & 0x000000f0) 80 81 #define CANDIDATE 0x00000100 82 #define MOVING 0x00000200 83 #define MODIFIED 0x00000400 84 85 #define UNSET_CANDIDATE(x) x = x & ~CANDIDATE 86 #define SET_CANDIDATE(x) x = x | CANDIDATE 87 #define ISCANDIDATE(x) (x & CANDIDATE) 88 #define SET_MOVING(x) x = (x | MOVING) 89 #define GET_MOVING(x) (x & MOVING) 90 #define SET_MODIFIED(x) x = (x | MODIFIED) 91 #define GET_MODIFIED(x) (x & MODIFIED) 92 93 #define FAILURE 1 94 #define SUCCESS 0 95 96 #define DONT_BUILD 3 /* this code is used to prevent building a new file */ 97 /* because mcs was given only -p */ 98 99 100 #define MCS 1 101 #define STRIP 2 102 #define STR_STRIP "strip" 103 104 /* 105 * Structure to hold section information. 106 */ 107 typedef struct section_info_table { 108 /* 109 * Section information. 110 */ 111 Elf_Scn *scn; /* Section */ 112 Elf_Data *data; /* Original data */ 113 Elf_Data *mdata; /* Modified data */ 114 char *name; /* Section name */ 115 char *rel_name; 116 GElf_Shdr shdr; 117 GElf_Word secno; /* The new index */ 118 GElf_Word osecno; /* The original index */ 119 GElf_Word rel_scn_index; 120 GElf_Xword flags; 121 GElf_Xword rel_loc; 122 } section_info_table; 123 124 /* 125 * Structure to hold action information 126 */ 127 typedef struct action { 128 int a_action; /* Which action to take ? */ 129 int a_cnt; /* Am I applied ? */ 130 char *a_string; /* The string to be added. */ 131 } action; 132 133 /* 134 * Structure to hold the section names specified. 135 */ 136 typedef struct s_name { 137 char *name; 138 struct s_name *next; 139 unsigned char flags; 140 } S_Name; 141 #define SECT_NAME sect_head->name 142 #define SNAME_FLG_STRNCMP 0x01 /* Use strncmp() instead of strcmp() */ 143 /* for section name comparison. */ 144 145 /* 146 * Structure to hold command information 147 */ 148 typedef struct cmd_info { 149 List sh_groups; /* List of SHT_GROUP sections */ 150 int no_of_append; 151 int no_of_delete; 152 int no_of_nulled; 153 int no_of_compressed; 154 int no_of_moved; 155 size_t str_size; /* size of string to be appended */ 156 int flags; /* Various flags */ 157 } Cmd_Info; 158 159 #define MIGHT_CHG 0x0001 160 #define aFLAG 0x0002 161 #define cFLAG 0x0004 162 #define dFLAG 0x0008 163 #define lFLAG 0x0010 164 #define pFLAG 0x0020 165 #define xFLAG 0x0040 166 #define VFLAG 0x0080 167 #define zFLAG 0x0100 168 #define I_AM_STRIP 0x0200 169 #define SHF_GROUP_MOVE 0x0400 /* SHF_GROUP section moves */ 170 #define SHF_GROUP_DEL 0x0800 /* SHF_GROUP section deleted */ 171 172 #define CHK_OPT(_x, _y) (_x->flags & _y) 173 174 /* 175 * Segment Table 176 */ 177 typedef struct seg_table { 178 GElf_Off p_offset; 179 GElf_Xword p_memsz; 180 GElf_Xword p_filesz; 181 } Seg_Table; 182 183 /* 184 * Function prototypes. 185 */ 186 int apply_action(section_info_table *, char *, Cmd_Info *); 187 int each_file(char *, Cmd_Info *); 188 void error_message(int, ...); 189 void mcs_exit(int); 190 Listnode * list_appendc(List *, const void*); 191 int sectcmp(char *); 192 193 /* 194 * Error messages 195 */ 196 #define MALLOC_ERROR 0 197 #define USAGE_ERROR 1 198 #define ELFVER_ERROR 2 199 #define OPEN_ERROR 3 200 #define LIBELF_ERROR 4 201 #define OPEN_TEMP_ERROR 5 202 #define WRITE_ERROR 6 203 #define GETARHDR_ERROR 7 204 #define FILE_TYPE_ERROR 8 205 #define NOT_MANIPULATED_ERROR 9 206 #define WRN_MANIPULATED_ERROR 10 207 #define NO_SECT_TABLE_ERROR 11 208 #define READ_ERROR 12 209 #define READ_MANI_ERROR 13 210 #define WRITE_MANI_ERROR 14 211 #define LSEEK_MANI_ERROR 15 212 #define SYM_TAB_AR_ERROR 16 213 #define EXEC_AR_ERROR 17 214 #define READ_SYS_ERROR 18 215 #define OPEN_WRITE_ERROR 19 216 #define ACT_PRINT_ERROR 20 217 #define ACT_DELETE1_ERROR 21 218 #define ACT_DELETE2_ERROR 22 219 #define ACT_APPEND1_ERROR 23 220 #define ACT_APPEND2_ERROR 24 221 #define ACT_COMPRESS1_ERROR 25 222 #define ACT_COMPRESS2_ERROR 26 223 #define ACCESS_ERROR 27 224 #define WRITE_MANI_ERROR2 28 225 226 #define PLAIN_ERROR 0 227 #define LIBelf_ERROR 1 228 #define SYSTEM_ERROR 2 229 230 #ifdef __cplusplus 231 } 232 #endif 233 234 #endif /* _MCS_H */ 235