globals.c revision 3492:cd4326c9ab0e 
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 2007 Sun Microsystems, Inc.  All rights reserved.
27 * Use is subject to license terms.
28 */
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31/*
32 * Global variables
33 */
34#include	<sys/elf.h>
35#include	"msg.h"
36#include	"_libld.h"
37
38Ld_heap		*ld_heap;	/* list of allocated blocks for */
39				/* 	link-edit dynamic allocations */
40List		lib_support;	/* list of support libraries specified */
41				/*	(-S option) */
42int		demangle_flag;	/* symbol demangling required */
43
44/*
45 * Paths and directories for library searches.  These are used to set up
46 * linked lists of directories which are maintained in the ofl structure.
47 */
48char		*Plibpath;	/* User specified -YP or defaults to LIBPATH */
49char		*Llibdir;	/* User specified -YL */
50char		*Ulibdir;	/* User specified -YU */
51Listnode	*insert_lib;	/* insertion point for -L libraries */
52
53/*
54 * A default library search path is used if one was not supplied on the command
55 * line.  Note: these strings can not use MSG_ORIG() since they are modified as
56 * part of the path processing.
57 */
58char		def64_Plibpath[] = "/lib/64:/usr/lib/64";
59char		def32_Plibpath[] = "/usr/ccs/lib:/lib:/usr/lib";
60
61/*
62 * For backward compatibility provide a /dev/zero file descriptor.
63 */
64int		dz_fd = -1;
65
66/*
67 * Rejected file error messages (indexed to match FLG_RJC_ values).
68 */
69const Msg
70reject[] = {
71		MSG_STR_EMPTY,
72		MSG_REJ_MACH,		/* MSG_INTL(MSG_REJ_MACH) */
73		MSG_REJ_CLASS,		/* MSG_INTL(MSG_REJ_CLASS) */
74		MSG_REJ_DATA,		/* MSG_INTL(MSG_REJ_DATA) */
75		MSG_REJ_TYPE,		/* MSG_INTL(MSG_REJ_TYPE) */
76		MSG_REJ_BADFLAG,	/* MSG_INTL(MSG_REJ_BADFLAG) */
77		MSG_REJ_MISFLAG,	/* MSG_INTL(MSG_REJ_MISFLAG) */
78		MSG_REJ_VERSION,	/* MSG_INTL(MSG_REJ_VERSION) */
79		MSG_REJ_HAL,		/* MSG_INTL(MSG_REJ_HAL) */
80		MSG_REJ_US3,		/* MSG_INTL(MSG_REJ_US3) */
81		MSG_REJ_STR,		/* MSG_INTL(MSG_REJ_STR) */
82		MSG_REJ_UNKFILE,	/* MSG_INTL(MSG_REJ_UNKFILE) */
83		MSG_REJ_HWCAP_1,	/* MSG_INTL(MSG_REJ_HWCAP_1) */
84	};
85
86/*
87 * Symbol types that we include in .SUNW_ldynsym sections
88 * (indexed by STT_ values).
89 */
90const int
91ldynsym_symtype[STT_NUM] = {
92		0,			/* STT_NOTYPE (not counting 1st slot) */
93		0,			/* STT_OBJECT */
94		1,			/* STT_FUNC */
95		0,			/* STT_SECTION */
96		1,			/* STT_FILE */
97		0,			/* STT_COMMON */
98		0,			/* STT_TLS */
99};
100#if STT_NUM != (STT_TLS + 1)
101#error "STT_NUM has grown. Update ldynsym_symtype[]."
102#endif
103
104/*
105 * Symbol types that we include in .SUNW_dynsymsort sections
106 * (indexed by STT_ values).
107 */
108const int
109dynsymsort_symtype[STT_NUM] = {
110		0,			/* STT_NOTYPE */
111		1,			/* STT_OBJECT */
112		1,			/* STT_FUNC */
113		0,			/* STT_SECTION */
114		0,			/* STT_FILE */
115		1,			/* STT_COMMON */
116		0,			/* STT_TLS */
117};
118#if STT_NUM != (STT_TLS + 1)
119#error "STT_NUM has grown. Update dynsymsort_symtype[]."
120#endif
121