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 * Copyright (c) 1988 AT&T 23 * All Rights Reserved 24 * 25 * 26 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #ifndef _MCS_H 31 #define _MCS_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <stdarg.h> 42 #include <unistd.h> 43 #include <libelf.h> 44 #include <ar.h> 45 #include <string.h> 46 #include <signal.h> 47 #include <sys/stat.h> 48 #include <fcntl.h> 49 #include <memory.h> 50 #include <locale.h> 51 #include <sys/mman.h> 52 #include "sgs.h" 53 #include "gelf.h" 54 55 #define FORMAT "%-16s%-12ld%-6u%-6u%-8o%-10ld%-2s" 56 #define ROUNDUP(x) (((x) + 1) & ~1) 57 #define TMPDIR "/tmp" 58 59 #define DELETED -1 /* The section will be removed */ 60 #define NULLED -2 /* The section will be nulled */ 61 #define EXPANDED -3 /* The size of the section expanded */ 62 #define SHRUNK -4 /* The section shrinked */ 63 64 #define ACT_NOP 0x00000000 65 #define ACT_DELETE 0x00000001 66 #define ACT_PRINT 0x00000002 67 #define ACT_COMPRESS 0x00000003 68 #define ACT_APPEND 0x00000004 69 #define ACT_ZAP 0x00000005 70 #define SET_ACTION(x, y) x = (x & 0xfffffff0) | y 71 #define GET_ACTION(x) (x & 0x0000000f) 72 73 #define NOSEG 0x00000010 74 #define IN 0x00000020 /* section is IN a segment */ 75 #define PRIOR 0x00000030 /* section is PRIOR to a segment */ 76 #define AFTER 0x00000040 /* section is AFTER a segment */ 77 #define SET_LOC(x, y) x = (x & 0xffffff0f) | y 78 #define GET_LOC(x) (x & 0x000000f0) 79 80 #define CANDIDATE 0x00000100 81 #define MOVING 0x00000200 82 #define MODIFIED 0x00000400 83 84 #define UNSET_CANDIDATE(x) x = x & ~CANDIDATE 85 #define SET_CANDIDATE(x) x = x | CANDIDATE 86 #define ISCANDIDATE(x) (x & CANDIDATE) 87 #define SET_MOVING(x) x = (x | MOVING) 88 #define GET_MOVING(x) (x & MOVING) 89 #define SET_MODIFIED(x) x = (x | MODIFIED) 90 #define GET_MODIFIED(x) (x & MODIFIED) 91 92 #define FAILURE 1 93 #define SUCCESS 0 94 95 #define DONT_BUILD 3 /* this code is used to prevent building a new file */ 96 /* because mcs was given only -p */ 97 98 99 #define MCS 1 100 #define STRIP 2 101 #define STR_STRIP "strip" 102 103 /* 104 * Structure to hold section information. 105 */ 106 typedef struct section_info_table { 107 /* 108 * Section information. 109 */ 110 Elf_Scn *scn; /* Section */ 111 Elf_Data *data; /* Original data */ 112 Elf_Data *mdata; /* Modified data */ 113 char *name; /* Section name, or NULL if unknown */ 114 char *rel_name; 115 GElf_Shdr shdr; 116 GElf_Word secno; /* The new index */ 117 GElf_Word osecno; /* The original index */ 118 GElf_Word rel_scn_index; 119 GElf_Xword flags; 120 GElf_Xword rel_loc; 121 } section_info_table; 122 123 /* 124 * Structure to hold action information 125 */ 126 typedef struct action { 127 int a_action; /* Which action to take ? */ 128 int a_cnt; /* Am I applied ? */ 129 char *a_string; /* The string to be added. */ 130 } action; 131 132 /* 133 * Structure to hold the section names specified. 134 */ 135 typedef struct s_name { 136 char *name; 137 struct s_name *next; 138 unsigned char flags; 139 } S_Name; 140 #define SECT_NAME sect_head->name 141 #define SNAME_FLG_STRNCMP 0x01 /* Use strncmp() instead of strcmp() */ 142 /* for section name comparison. */ 143 144 /* 145 * Structure to hold command information 146 */ 147 typedef struct cmd_info { 148 List sh_groups; /* List of SHT_GROUP sections */ 149 int no_of_append; 150 int no_of_delete; 151 int no_of_nulled; 152 int no_of_compressed; 153 int no_of_moved; 154 size_t str_size; /* size of string to be appended */ 155 int flags; /* Various flags */ 156 } Cmd_Info; 157 158 #define MIGHT_CHG 0x0001 159 #define aFLAG 0x0002 160 #define cFLAG 0x0004 161 #define dFLAG 0x0008 162 #define lFLAG 0x0010 163 #define pFLAG 0x0020 164 #define xFLAG 0x0040 165 #define VFLAG 0x0080 166 #define zFLAG 0x0100 167 #define I_AM_STRIP 0x0200 168 #define SHF_GROUP_MOVE 0x0400 /* SHF_GROUP section moves */ 169 #define SHF_GROUP_DEL 0x0800 /* SHF_GROUP section deleted */ 170 171 #define CHK_OPT(_x, _y) (_x->flags & _y) 172 173 /* 174 * Segment Table 175 */ 176 typedef struct seg_table { 177 GElf_Off p_offset; 178 GElf_Xword p_memsz; 179 GElf_Xword p_filesz; 180 } Seg_Table; 181 182 /* 183 * Function prototypes. 184 */ 185 int apply_action(section_info_table *, char *, Cmd_Info *); 186 int each_file(char *, Cmd_Info *); 187 void error_message(int, ...); 188 void mcs_exit(int); 189 Listnode * list_appendc(List *, const void*); 190 int sectcmp(char *); 191 192 /* 193 * Error messages 194 */ 195 #define MALLOC_ERROR 0 196 #define USAGE_ERROR 1 197 #define ELFVER_ERROR 2 198 #define OPEN_ERROR 3 199 #define LIBELF_ERROR 4 200 #define OPEN_TEMP_ERROR 5 201 #define WRITE_ERROR 6 202 #define GETARHDR_ERROR 7 203 #define FILE_TYPE_ERROR 8 204 #define NOT_MANIPULATED_ERROR 9 205 #define WRN_MANIPULATED_ERROR 10 206 #define NO_SECT_TABLE_ERROR 11 207 #define READ_ERROR 12 208 #define READ_MANI_ERROR 13 209 #define WRITE_MANI_ERROR 14 210 #define LSEEK_MANI_ERROR 15 211 #define SYM_TAB_AR_ERROR 16 212 #define EXEC_AR_ERROR 17 213 #define READ_SYS_ERROR 18 214 #define OPEN_WRITE_ERROR 19 215 #define ACT_PRINT_ERROR 20 216 #define ACT_DELETE1_ERROR 21 217 #define ACT_DELETE2_ERROR 22 218 #define ACT_APPEND1_ERROR 23 219 #define ACT_APPEND2_ERROR 24 220 #define ACT_COMPRESS1_ERROR 25 221 #define ACT_COMPRESS2_ERROR 26 222 #define ACCESS_ERROR 27 223 #define WRITE_MANI_ERROR2 28 224 225 #define PLAIN_ERROR 0 226 #define LIBelf_ERROR 1 227 #define SYSTEM_ERROR 2 228 229 #ifdef __cplusplus 230 } 231 #endif 232 233 #endif /* _MCS_H */ 234