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 (c) 1988 AT&T
  24  *        All Rights Reserved
  25  *
  26  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  27  */
  28 
  29 /*
  30  * Global variables
  31  */
  32 #include        <sys/elf.h>
  33 #include        "msg.h"
  34 #include        "_libld.h"
  35 
  36 Ld_heap         *ld_heap;       /* list of allocated blocks for */
  37                                 /*      link-edit dynamic allocations */
  38 APlist          *lib_support;   /* list of support libraries specified */
  39                                 /*      (-S option) */
  40 int             demangle_flag;  /* symbol demangling required */
  41 
  42 /*
  43  * Paths and directories for library searches.  These are used to set up
  44  * linked lists of directories which are maintained in the ofl structure.
  45  */
  46 char            *Plibpath;      /* User specified -YP or defaults to LIBPATH */
  47 char            *Llibdir;       /* User specified -YL */
  48 char            *Ulibdir;       /* User specified -YU */
  49 
  50 /*
  51  * A default library search path is used if one was not supplied on the command
  52  * line.  Note: these strings can not use MSG_ORIG() since they are modified as
  53  * part of the path processing.
  54  */
  55 char            def64_Plibpath[] = "/lib/64:/usr/lib/64";
  56 char            def32_Plibpath[] = "/usr/ccs/lib:/lib:/usr/lib";
  57 
  58 /*
  59  * Rejected file error messages (indexed to match SGS_REJ_ values).
  60  */
  61 const Msg
  62 reject[SGS_REJ_NUM] = {
  63                 MSG_STR_EMPTY,
  64                 MSG_REJ_MACH,           /* MSG_INTL(MSG_REJ_MACH) */
  65                 MSG_REJ_CLASS,          /* MSG_INTL(MSG_REJ_CLASS) */
  66                 MSG_REJ_DATA,           /* MSG_INTL(MSG_REJ_DATA) */
  67                 MSG_REJ_TYPE,           /* MSG_INTL(MSG_REJ_TYPE) */
  68                 MSG_REJ_BADFLAG,        /* MSG_INTL(MSG_REJ_BADFLAG) */
  69                 MSG_REJ_MISFLAG,        /* MSG_INTL(MSG_REJ_MISFLAG) */
  70                 MSG_REJ_VERSION,        /* MSG_INTL(MSG_REJ_VERSION) */
  71                 MSG_REJ_HAL,            /* MSG_INTL(MSG_REJ_HAL) */
  72                 MSG_REJ_US3,            /* MSG_INTL(MSG_REJ_US3) */
  73                 MSG_REJ_STR,            /* MSG_INTL(MSG_REJ_STR) */
  74                 MSG_REJ_UNKFILE,        /* MSG_INTL(MSG_REJ_UNKFILE) */
  75                 MSG_REJ_UNKCAP,         /* MSG_INTL(MSG_REJ_UNKCAP) */
  76                 MSG_REJ_HWCAP_1,        /* MSG_INTL(MSG_REJ_HWCAP_1) */
  77                 MSG_REJ_SFCAP_1,        /* MSG_INTL(MSG_REJ_SFCAP_1) */
  78                 MSG_REJ_MACHCAP,        /* MSG_INTL(MSG_REJ_MACHCAP) */
  79                 MSG_REJ_PLATCAP,        /* MSG_INTL(MSG_REJ_PLATCAP) */
  80                 MSG_REJ_HWCAP_2,        /* MSG_INTL(MSG_REJ_HWCAP_2) */
  81                 MSG_REJ_ARCHIVE         /* MSG_INTL(MSG_REJ_ARCHIVE) */
  82         };
  83 #if SGS_REJ_NUM != (SGS_REJ_ARCHIVE + 1)
  84 #error SGS_REJ_NUM has changed
  85 #endif
  86 
  87 /*
  88  * Symbol types that we include in .SUNW_ldynsym sections
  89  * (indexed by STT_ values).
  90  */
  91 const int
  92 ldynsym_symtype[] = {
  93                 0,                      /* STT_NOTYPE (not counting 1st slot) */
  94                 0,                      /* STT_OBJECT */
  95                 1,                      /* STT_FUNC */
  96                 0,                      /* STT_SECTION */
  97                 1,                      /* STT_FILE */
  98                 0,                      /* STT_COMMON */
  99                 0,                      /* STT_TLS */
 100                 0,                      /* 7 */
 101                 0,                      /* 8 */
 102                 0,                      /* 9 */
 103                 0,                      /* 10 */
 104                 0,                      /* 11 */
 105                 0,                      /* 12 */
 106                 0,                      /* STT_SPARC_REGISTER */
 107                 0,                      /* 14 */
 108                 0,                      /* 15 */
 109 };
 110 #if STT_NUM != (STT_TLS + 1)
 111 #error "STT_NUM has grown. Update ldynsym_symtype[]."
 112 #endif
 113 
 114 /*
 115  * Symbol types that we include in .SUNW_dynsymsort sections
 116  * (indexed by STT_ values).
 117  */
 118 const int
 119 dynsymsort_symtype[] = {
 120                 0,                      /* STT_NOTYPE */
 121                 1,                      /* STT_OBJECT */
 122                 1,                      /* STT_FUNC */
 123                 0,                      /* STT_SECTION */
 124                 0,                      /* STT_FILE */
 125                 1,                      /* STT_COMMON */
 126                 0,                      /* STT_TLS */
 127                 0,                      /* 7 */
 128                 0,                      /* 8 */
 129                 0,                      /* 9 */
 130                 0,                      /* 10 */
 131                 0,                      /* 11 */
 132                 0,                      /* 12 */
 133                 0,                      /* STT_SPARC_REGISTER */
 134                 0,                      /* 14 */
 135                 0,                      /* 15 */
 136 };
 137 #if STT_NUM != (STT_TLS + 1)
 138 #error "STT_NUM has grown. Update dynsymsort_symtype[]."
 139 #endif