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 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	__RTLD_DB_H
28 #define	__RTLD_DB_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <proc_service.h>
33 #include <thread.h>
34 #include <synch.h>
35 #include <sgs.h>
36 #include <machdep.h>
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 struct rd_agent {
43 	mutex_t				rd_mutex;
44 	struct ps_prochandle		*rd_psp;	/* prochandle pointer */
45 	psaddr_t			rd_rdebug;	/* rtld r_debug */
46 	psaddr_t			rd_preinit;	/* rtld_db_preinit */
47 	psaddr_t			rd_postinit;	/* rtld_db_postinit */
48 	psaddr_t			rd_dlact;	/* rtld_db_dlact */
49 	psaddr_t			rd_tbinder;	/* tail of binder */
50 	psaddr_t			rd_rtlddbpriv;	/* rtld rtld_db_priv */
51 	ulong_t				rd_flags;	/* flags */
52 	ulong_t				rd_rdebugvers;	/* rtld_db_priv.vers */
53 	int				rd_dmodel;	/* data model */
54 };
55 
56 
57 /*
58  * Values for rd_flags
59  */
60 #define	RDF_FL_COREFILE		0x0001		/* client is core file image */
61 
62 
63 
64 #define	RDAGLOCK(x)	(void) mutex_lock(&(x->rd_mutex));
65 #define	RDAGUNLOCK(x)	(void) mutex_unlock(&(x->rd_mutex));
66 #define	LOG(func)	(void) mutex_lock(&glob_mutex); \
67 			if (rtld_db_logging) \
68 				func; \
69 			(void) mutex_unlock(&glob_mutex);
70 
71 extern mutex_t		glob_mutex;
72 extern int		rtld_db_version;
73 extern int		rtld_db_logging;
74 
75 extern rd_err_e		rd_binder_exit_addr(struct rd_agent *, const char *,
76 				psaddr_t *);
77 extern rd_err_e		_rd_reset32(struct rd_agent *);
78 extern rd_err_e		_rd_event_enable32(rd_agent_t *, int);
79 extern rd_err_e		_rd_event_getmsg32(rd_agent_t *, rd_event_msg_t *);
80 extern rd_err_e		_rd_objpad_enable32(struct rd_agent *, size_t);
81 extern rd_err_e		_rd_loadobj_iter32(rd_agent_t *, rl_iter_f *, void *);
82 extern rd_err_e		find_dynamic_ent32(struct rd_agent *, psaddr_t,
83 			    Xword, Elf32_Dyn *);
84 
85 extern rd_err_e		plt32_resolution(rd_agent_t *, psaddr_t, lwpid_t,
86 			    psaddr_t, rd_plt_info_t *);
87 #ifdef _LP64
88 extern rd_err_e		_rd_reset64(struct rd_agent *);
89 extern rd_err_e		_rd_event_enable64(rd_agent_t *, int);
90 extern rd_err_e		_rd_event_getmsg64(rd_agent_t *, rd_event_msg_t *);
91 extern rd_err_e		_rd_objpad_enable64(struct rd_agent *, size_t);
92 extern rd_err_e		_rd_loadobj_iter64(rd_agent_t *, rl_iter_f *, void *);
93 extern rd_err_e		find_dynamic_ent64(struct rd_agent *, psaddr_t,
94 			    Xword, Elf64_Dyn *);
95 extern rd_err_e		plt64_resolution(rd_agent_t *, psaddr_t, lwpid_t,
96 			    psaddr_t, rd_plt_info_t *);
97 #endif
98 
99 #ifdef	__cplusplus
100 }
101 #endif
102 
103 #endif /* __RTLD_DB_H */
104