1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1988 AT&T 24*0Sstevel@tonic-gate * All Rights Reserved 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * 27*0Sstevel@tonic-gate * Copyright 1999-2003 Sun Microsystems, Inc. All rights reserved. 28*0Sstevel@tonic-gate * Use is subject to license terms. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _MCS_H 32*0Sstevel@tonic-gate #define _MCS_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifdef __cplusplus 37*0Sstevel@tonic-gate extern "C" { 38*0Sstevel@tonic-gate #endif 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #include <stdio.h> 41*0Sstevel@tonic-gate #include <stdlib.h> 42*0Sstevel@tonic-gate #include <stdarg.h> 43*0Sstevel@tonic-gate #include <unistd.h> 44*0Sstevel@tonic-gate #include <libelf.h> 45*0Sstevel@tonic-gate #include <ar.h> 46*0Sstevel@tonic-gate #include <string.h> 47*0Sstevel@tonic-gate #include <signal.h> 48*0Sstevel@tonic-gate #include <sys/stat.h> 49*0Sstevel@tonic-gate #include <fcntl.h> 50*0Sstevel@tonic-gate #include <memory.h> 51*0Sstevel@tonic-gate #include <locale.h> 52*0Sstevel@tonic-gate #include <sys/mman.h> 53*0Sstevel@tonic-gate #include "sgs.h" 54*0Sstevel@tonic-gate #include "gelf.h" 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #define FORMAT "%-16s%-12ld%-6u%-6u%-8o%-10ld%-2s" 57*0Sstevel@tonic-gate #define ROUNDUP(x) (((x) + 1) & ~1) 58*0Sstevel@tonic-gate #define TMPDIR "/tmp" 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate #define DELETED -1 /* The section will be removed */ 61*0Sstevel@tonic-gate #define NULLED -2 /* The section will be nulled */ 62*0Sstevel@tonic-gate #define EXPANDED -3 /* The size of the section expanded */ 63*0Sstevel@tonic-gate #define SHRUNK -4 /* The section shrinked */ 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define ACT_NOP 0x00000000 66*0Sstevel@tonic-gate #define ACT_DELETE 0x00000001 67*0Sstevel@tonic-gate #define ACT_PRINT 0x00000002 68*0Sstevel@tonic-gate #define ACT_COMPRESS 0x00000003 69*0Sstevel@tonic-gate #define ACT_APPEND 0x00000004 70*0Sstevel@tonic-gate #define ACT_ZAP 0x00000005 71*0Sstevel@tonic-gate #define SET_ACTION(x, y) x = (x & 0xfffffff0) | y 72*0Sstevel@tonic-gate #define GET_ACTION(x) (x & 0x0000000f) 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #define NOSEG 0x00000010 75*0Sstevel@tonic-gate #define IN 0x00000020 /* section is IN a segment */ 76*0Sstevel@tonic-gate #define PRIOR 0x00000030 /* section is PRIOR to a segment */ 77*0Sstevel@tonic-gate #define AFTER 0x00000040 /* section is AFTER a segment */ 78*0Sstevel@tonic-gate #define SET_LOC(x, y) x = (x & 0xffffff0f) | y 79*0Sstevel@tonic-gate #define GET_LOC(x) (x & 0x000000f0) 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #define CANDIDATE 0x00000100 82*0Sstevel@tonic-gate #define MOVING 0x00000200 83*0Sstevel@tonic-gate #define MODIFIED 0x00000400 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #define UNSET_CANDIDATE(x) x = x & ~CANDIDATE 86*0Sstevel@tonic-gate #define SET_CANDIDATE(x) x = x | CANDIDATE 87*0Sstevel@tonic-gate #define ISCANDIDATE(x) (x & CANDIDATE) 88*0Sstevel@tonic-gate #define SET_MOVING(x) x = (x | MOVING) 89*0Sstevel@tonic-gate #define GET_MOVING(x) (x & MOVING) 90*0Sstevel@tonic-gate #define SET_MODIFIED(x) x = (x | MODIFIED) 91*0Sstevel@tonic-gate #define GET_MODIFIED(x) (x & MODIFIED) 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #define FAILURE 1 94*0Sstevel@tonic-gate #define SUCCESS 0 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate #define DONT_BUILD 3 /* this code is used to prevent building a new file */ 97*0Sstevel@tonic-gate /* because mcs was given only -p */ 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate #define MCS 1 101*0Sstevel@tonic-gate #define STRIP 2 102*0Sstevel@tonic-gate #define STR_STRIP "strip" 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* 105*0Sstevel@tonic-gate * Structure to hold section information. 106*0Sstevel@tonic-gate */ 107*0Sstevel@tonic-gate typedef struct section_info_table { 108*0Sstevel@tonic-gate /* 109*0Sstevel@tonic-gate * Section information. 110*0Sstevel@tonic-gate */ 111*0Sstevel@tonic-gate Elf_Scn *scn; /* Section */ 112*0Sstevel@tonic-gate Elf_Data *data; /* Original data */ 113*0Sstevel@tonic-gate Elf_Data *mdata; /* Modified data */ 114*0Sstevel@tonic-gate char *name; /* Section name */ 115*0Sstevel@tonic-gate char *rel_name; 116*0Sstevel@tonic-gate GElf_Shdr shdr; 117*0Sstevel@tonic-gate GElf_Word secno; /* The new index */ 118*0Sstevel@tonic-gate GElf_Word osecno; /* The original index */ 119*0Sstevel@tonic-gate GElf_Word rel_scn_index; 120*0Sstevel@tonic-gate GElf_Xword flags; 121*0Sstevel@tonic-gate GElf_Xword rel_loc; 122*0Sstevel@tonic-gate } section_info_table; 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate /* 125*0Sstevel@tonic-gate * Structure to hold action information 126*0Sstevel@tonic-gate */ 127*0Sstevel@tonic-gate typedef struct action { 128*0Sstevel@tonic-gate int a_action; /* Which action to take ? */ 129*0Sstevel@tonic-gate int a_cnt; /* Am I applied ? */ 130*0Sstevel@tonic-gate char *a_string; /* The string to be added. */ 131*0Sstevel@tonic-gate } action; 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate /* 134*0Sstevel@tonic-gate * Structure to hold the section names specified. 135*0Sstevel@tonic-gate */ 136*0Sstevel@tonic-gate typedef struct s_name { 137*0Sstevel@tonic-gate char *name; 138*0Sstevel@tonic-gate struct s_name *next; 139*0Sstevel@tonic-gate unsigned char flags; 140*0Sstevel@tonic-gate } S_Name; 141*0Sstevel@tonic-gate #define SECT_NAME sect_head->name 142*0Sstevel@tonic-gate #define SNAME_FLG_STRNCMP 0x01 /* Use strncmp() instead of strcmp() */ 143*0Sstevel@tonic-gate /* for section name comparison. */ 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate /* 146*0Sstevel@tonic-gate * Structure to hold command information 147*0Sstevel@tonic-gate */ 148*0Sstevel@tonic-gate typedef struct cmd_info { 149*0Sstevel@tonic-gate List sh_groups; /* List of SHT_GROUP sections */ 150*0Sstevel@tonic-gate int no_of_append; 151*0Sstevel@tonic-gate int no_of_delete; 152*0Sstevel@tonic-gate int no_of_nulled; 153*0Sstevel@tonic-gate int no_of_compressed; 154*0Sstevel@tonic-gate int no_of_moved; 155*0Sstevel@tonic-gate size_t str_size; /* size of string to be appended */ 156*0Sstevel@tonic-gate int flags; /* Various flags */ 157*0Sstevel@tonic-gate } Cmd_Info; 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate #define MIGHT_CHG 0x0001 160*0Sstevel@tonic-gate #define aFLAG 0x0002 161*0Sstevel@tonic-gate #define cFLAG 0x0004 162*0Sstevel@tonic-gate #define dFLAG 0x0008 163*0Sstevel@tonic-gate #define lFLAG 0x0010 164*0Sstevel@tonic-gate #define pFLAG 0x0020 165*0Sstevel@tonic-gate #define xFLAG 0x0040 166*0Sstevel@tonic-gate #define VFLAG 0x0080 167*0Sstevel@tonic-gate #define zFLAG 0x0100 168*0Sstevel@tonic-gate #define I_AM_STRIP 0x0200 169*0Sstevel@tonic-gate #define SHF_GROUP_MOVE 0x0400 /* SHF_GROUP section moves */ 170*0Sstevel@tonic-gate #define SHF_GROUP_DEL 0x0800 /* SHF_GROUP section deleted */ 171*0Sstevel@tonic-gate 172*0Sstevel@tonic-gate #define CHK_OPT(_x, _y) (_x->flags & _y) 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate /* 175*0Sstevel@tonic-gate * Segment Table 176*0Sstevel@tonic-gate */ 177*0Sstevel@tonic-gate typedef struct seg_table { 178*0Sstevel@tonic-gate GElf_Off p_offset; 179*0Sstevel@tonic-gate GElf_Xword p_memsz; 180*0Sstevel@tonic-gate GElf_Xword p_filesz; 181*0Sstevel@tonic-gate } Seg_Table; 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate /* 184*0Sstevel@tonic-gate * Function prototypes. 185*0Sstevel@tonic-gate */ 186*0Sstevel@tonic-gate int apply_action(section_info_table *, char *, Cmd_Info *); 187*0Sstevel@tonic-gate int each_file(char *, Cmd_Info *); 188*0Sstevel@tonic-gate void error_message(int, ...); 189*0Sstevel@tonic-gate void mcs_exit(int); 190*0Sstevel@tonic-gate Listnode * list_appendc(List *, const void*); 191*0Sstevel@tonic-gate int sectcmp(char *); 192*0Sstevel@tonic-gate 193*0Sstevel@tonic-gate /* 194*0Sstevel@tonic-gate * Error messages 195*0Sstevel@tonic-gate */ 196*0Sstevel@tonic-gate #define MALLOC_ERROR 0 197*0Sstevel@tonic-gate #define USAGE_ERROR 1 198*0Sstevel@tonic-gate #define ELFVER_ERROR 2 199*0Sstevel@tonic-gate #define OPEN_ERROR 3 200*0Sstevel@tonic-gate #define LIBELF_ERROR 4 201*0Sstevel@tonic-gate #define OPEN_TEMP_ERROR 5 202*0Sstevel@tonic-gate #define WRITE_ERROR 6 203*0Sstevel@tonic-gate #define GETARHDR_ERROR 7 204*0Sstevel@tonic-gate #define FILE_TYPE_ERROR 8 205*0Sstevel@tonic-gate #define NOT_MANIPULATED_ERROR 9 206*0Sstevel@tonic-gate #define WRN_MANIPULATED_ERROR 10 207*0Sstevel@tonic-gate #define NO_SECT_TABLE_ERROR 11 208*0Sstevel@tonic-gate #define READ_ERROR 12 209*0Sstevel@tonic-gate #define READ_MANI_ERROR 13 210*0Sstevel@tonic-gate #define WRITE_MANI_ERROR 14 211*0Sstevel@tonic-gate #define LSEEK_MANI_ERROR 15 212*0Sstevel@tonic-gate #define SYM_TAB_AR_ERROR 16 213*0Sstevel@tonic-gate #define EXEC_AR_ERROR 17 214*0Sstevel@tonic-gate #define READ_SYS_ERROR 18 215*0Sstevel@tonic-gate #define OPEN_WRITE_ERROR 19 216*0Sstevel@tonic-gate #define ACT_PRINT_ERROR 20 217*0Sstevel@tonic-gate #define ACT_DELETE1_ERROR 21 218*0Sstevel@tonic-gate #define ACT_DELETE2_ERROR 22 219*0Sstevel@tonic-gate #define ACT_APPEND1_ERROR 23 220*0Sstevel@tonic-gate #define ACT_APPEND2_ERROR 24 221*0Sstevel@tonic-gate #define ACT_COMPRESS1_ERROR 25 222*0Sstevel@tonic-gate #define ACT_COMPRESS2_ERROR 26 223*0Sstevel@tonic-gate #define ACCESS_ERROR 27 224*0Sstevel@tonic-gate #define WRITE_MANI_ERROR2 28 225*0Sstevel@tonic-gate 226*0Sstevel@tonic-gate #define PLAIN_ERROR 0 227*0Sstevel@tonic-gate #define LIBelf_ERROR 1 228*0Sstevel@tonic-gate #define SYSTEM_ERROR 2 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate #ifdef __cplusplus 231*0Sstevel@tonic-gate } 232*0Sstevel@tonic-gate #endif 233*0Sstevel@tonic-gate 234*0Sstevel@tonic-gate #endif /* _MCS_H */ 235