xref: /illumos-gate/usr/src/cmd/sgs/liblddbg/common/util.c (revision 295e611f647a9229cb7b346b6febc77618b605c4)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include	"msg.h"
28 #include	"_debug.h"
29 #include	"libld.h"
30 
31 /*
32  * If any run-time linker debugging is being carried out always indicate the
33  * fact and specify the point at which we transfer control to the main program.
34  */
35 void
36 Dbg_util_call_main(Rt_map *lmp)
37 {
38 	Lm_list	*lml = LIST(lmp);
39 
40 	Dbg_util_nl(lml, DBG_NL_FRC);
41 	dbg_print(lml, MSG_INTL(MSG_UTL_TRANS), NAME(lmp));
42 	Dbg_util_nl(lml, DBG_NL_FRC);
43 }
44 
45 void
46 Dbg_util_call_init(Rt_map *lmp, int flag)
47 {
48 	Lm_list		*lml = LIST(lmp);
49 	const char	*str;
50 
51 	if (DBG_NOTCLASS(DBG_C_INIT))
52 		return;
53 
54 	if (flag == DBG_INIT_SORT)
55 		str = MSG_INTL(MSG_UTL_SORT);
56 	else if (flag == DBG_INIT_PEND)
57 		str = MSG_INTL(MSG_UTL_PEND);
58 	else if (flag == DBG_INIT_DYN)
59 		str = MSG_INTL(MSG_UTL_DYN);
60 	else
61 		str = MSG_INTL(MSG_UTL_DONE);
62 
63 	Dbg_util_nl(lml, DBG_NL_STD);
64 	dbg_print(lml, MSG_INTL(MSG_UTL_INIT), str, NAME(lmp));
65 	Dbg_util_nl(lml, DBG_NL_STD);
66 }
67 
68 void
69 Dbg_util_no_init(Rt_map *lmp)
70 {
71 	Lm_list	*lml = LIST(lmp);
72 
73 	if (DBG_NOTCLASS(DBG_C_INIT))
74 		return;
75 
76 	Dbg_util_nl(lml, DBG_NL_STD);
77 	dbg_print(lml, MSG_INTL(MSG_UTL_NOINIT), NAME(lmp));
78 	Dbg_util_nl(lml, DBG_NL_STD);
79 }
80 
81 void
82 Dbg_util_intoolate(Rt_map *lmp)
83 {
84 	Lm_list	*lml = LIST(lmp);
85 
86 	Dbg_util_nl(lml, DBG_NL_STD);
87 	dbg_print(lml, MSG_INTL(MSG_UTL_INTOOLATE), NAME(lmp));
88 	Dbg_util_nl(lml, DBG_NL_STD);
89 }
90 
91 void
92 Dbg_util_dbnotify(Lm_list *lml, rd_event_e event, r_state_e state)
93 {
94 	const char	*estr;
95 	const char	*sstr;
96 
97 	if (DBG_NOTCLASS(DBG_C_FILES))
98 		return;
99 	if (DBG_NOTDETAIL())
100 		return;
101 
102 	switch (event) {
103 	case RD_PREINIT:
104 		estr = MSG_ORIG(MSG_UTL_EVNT_PREINIT);
105 		sstr = MSG_INTL(MSG_STR_NULL);
106 		break;
107 	case RD_POSTINIT:
108 		estr = MSG_ORIG(MSG_UTL_EVNT_POSTINIT);
109 		sstr = MSG_INTL(MSG_STR_NULL);
110 		break;
111 	case RD_DLACTIVITY:
112 		estr = MSG_ORIG(MSG_UTL_EVNT_DLACT);
113 		switch (state) {
114 		case RT_CONSISTENT:
115 			sstr = MSG_ORIG(MSG_UTL_STA_CONSIST);
116 			break;
117 		case RT_ADD:
118 			sstr = MSG_ORIG(MSG_UTL_STA_ADD);
119 			break;
120 		case RT_DELETE:
121 			sstr = MSG_ORIG(MSG_UTL_STA_DELETE);
122 			break;
123 		default:
124 			sstr = MSG_INTL(MSG_STR_NULL);
125 			break;
126 		}
127 		break;
128 	default:
129 		sstr = MSG_INTL(MSG_STR_NULL);
130 		estr = MSG_INTL(MSG_STR_UNKNOWN);
131 		break;
132 	}
133 
134 	Dbg_util_nl(lml, DBG_NL_STD);
135 	dbg_print(lml, MSG_INTL(MSG_UTL_DBNOTIFY), estr, sstr);
136 	Dbg_util_nl(lml, DBG_NL_STD);
137 }
138 
139 void
140 Dbg_util_call_array(Rt_map *lmp, void *addr, int ndx, Word shtype)
141 {
142 	Lm_list		*lml = LIST(lmp);
143 	const char	*str;
144 
145 	if (DBG_NOTCLASS(DBG_C_INIT))
146 		return;
147 
148 	if (shtype == SHT_INIT_ARRAY)
149 		str = MSG_ORIG(MSG_SCN_INITARRAY);
150 	else if (shtype == SHT_FINI_ARRAY)
151 		str = MSG_ORIG(MSG_SCN_FINIARRAY);
152 	else
153 		str = MSG_ORIG(MSG_SCN_PREINITARRAY);
154 
155 	dbg_print(lml, MSG_INTL(MSG_UTL_ARRAY), str, ndx, EC_NATPTR(addr),
156 	    NAME(lmp));
157 }
158 
159 void
160 Dbg_util_call_fini(Rt_map *lmp)
161 {
162 	Lm_list	*lml = LIST(lmp);
163 
164 	if (DBG_NOTCLASS(DBG_C_INIT))
165 		return;
166 
167 	Dbg_util_nl(lml, DBG_NL_STD);
168 	dbg_print(lml, MSG_INTL(MSG_UTL_FINI), NAME(lmp));
169 	Dbg_util_nl(lml, DBG_NL_STD);
170 }
171 
172 void
173 Dbg_util_str(Lm_list *lml, const char *str)
174 {
175 	Dbg_util_nl(lml, DBG_NL_STD);
176 	Dbg_util_nl(lml, DBG_NL_FRC);
177 	dbg_print(lml, MSG_ORIG(MSG_FMT_STR), str);
178 	Dbg_util_nl(lml, DBG_NL_FRC);
179 	Dbg_util_nl(lml, DBG_NL_STD);
180 }
181 
182 void
183 Dbg_util_scc_title(Lm_list *lml, int sec)
184 {
185 	const char	*_sec;
186 
187 	if (DBG_NOTCLASS(DBG_C_INIT))
188 		return;
189 	if (DBG_NOTDETAIL())
190 		return;
191 
192 	if (sec)
193 		_sec = MSG_INTL(MSG_UTL_SCC_SUBI);
194 	else
195 		_sec = MSG_INTL(MSG_UTL_SCC_SUBF);
196 
197 	Dbg_util_nl(lml, DBG_NL_STD);
198 	dbg_print(lml, MSG_INTL(MSG_UTL_SCC_TITLE), _sec);
199 }
200 
201 void
202 Dbg_util_scc_entry(Rt_map *lmp, uint_t idx)
203 {
204 	if (DBG_NOTCLASS(DBG_C_INIT))
205 		return;
206 	if (DBG_NOTDETAIL())
207 		return;
208 
209 	dbg_print(LIST(lmp), MSG_ORIG(MSG_UTL_SCC_ENTRY), idx, NAME(lmp));
210 }
211 
212 static	int ectoggle = 0;
213 
214 void
215 Dbg_util_edge_in(Lm_list *lml, Rt_map *clmp, uint_t flags, Rt_map *dlmp,
216     int ndx, int flag)
217 {
218 	Conv_bnd_type_buf_t	bnd_type_buf;
219 	const char		*str;
220 
221 	if (DBG_NOTCLASS(DBG_C_INIT))
222 		return;
223 	if (DBG_NOTDETAIL())
224 		return;
225 
226 	if (flag & RT_SORT_REV)
227 		str = MSG_ORIG(MSG_SCN_INIT);
228 	else
229 		str = MSG_ORIG(MSG_SCN_FINI);
230 
231 	if ((clmp == 0) || (ectoggle == 0))
232 		Dbg_util_nl(lml, DBG_NL_STD);
233 	if (clmp == 0) {
234 		if (flag & RT_SORT_INTPOSE)
235 			dbg_print(lml, MSG_INTL(MSG_UTL_EDGE_TITLE_I), str);
236 		else
237 			dbg_print(lml, MSG_INTL(MSG_UTL_EDGE_TITLE_S), str);
238 
239 		dbg_print(lml, MSG_INTL(MSG_UTL_EDGE_START), ndx, NAME(dlmp));
240 	} else
241 		dbg_print(lml, MSG_INTL(MSG_UTL_EDGE_IN), ndx, NAME(dlmp),
242 		    NAME(clmp), conv_bnd_type(flags, &bnd_type_buf));
243 
244 	ectoggle = 1;
245 }
246 
247 void
248 Dbg_util_edge_out(Rt_map *clmp, Rt_map *dlmp)
249 {
250 	if (DBG_NOTCLASS(DBG_C_INIT))
251 		return;
252 	if (DBG_NOTDETAIL())
253 		return;
254 
255 	dbg_print(LIST(clmp), MSG_INTL(MSG_UTL_EDGE_OUT), SORTVAL(clmp),
256 	    NAME(clmp), NAME(dlmp));
257 }
258 
259 void
260 Dbg_util_collect(Rt_map *lmp, int ndx, int flag)
261 {
262 	Lm_list		*lml = LIST(lmp);
263 	const char	*str;
264 
265 	if (DBG_NOTCLASS(DBG_C_INIT))
266 		return;
267 	if (DBG_NOTDETAIL())
268 		return;
269 
270 	if (flag & RT_SORT_REV)
271 		str = MSG_ORIG(MSG_SCN_INIT);
272 	else
273 		str = MSG_ORIG(MSG_SCN_FINI);
274 
275 	if (ectoggle == 1) {
276 		Dbg_util_nl(lml, DBG_NL_STD);
277 		ectoggle = 0;
278 	}
279 	dbg_print(lml, MSG_INTL(MSG_UTL_COLLECT), ndx, NAME(lmp), str);
280 }
281 
282 static const Msg	tags[] = {
283 	MSG_CI_NULL,		/* MSG_ORIG(MSG_CI_NULL) */
284 	MSG_CI_VERSION,		/* MSG_ORIG(MSG_CI_VERSION) */
285 	MSG_CI_ATEXIT,		/* MSG_ORIG(MSG_CI_ATEXIT) */
286 	MSG_CI_LCMESSAGES,	/* MSG_ORIG(MSG_CI_LCMESSAGES) */
287 	MSG_CI_BIND_GUARD,	/* MSG_ORIG(MSG_CI_BIND_GUARD) */
288 	MSG_CI_BIND_CLEAR,	/* MSG_ORIG(MSG_CI_BIND_CLEAR) */
289 	MSG_CI_THR_SELF,	/* MSG_ORIG(MSG_CI_THR_SELF) */
290 	MSG_CI_TLS_MODADD,	/* MSG_ORIG(MSG_CI_TLS_MODADD) */
291 	MSG_CI_TLS_MODREM,	/* MSG_ORIG(MSG_CI_TLS_MODREM) */
292 	MSG_CI_TLS_STATMOD,	/* MSG_ORIG(MSG_CI_TLS_STATMOD) */
293 	MSG_CI_THRINIT,		/* MSG_ORIG(MSG_CI_THRINIT) */
294 	MSG_CI_CRITICAL		/* MSG_ORIG(MSG_CI_CRITICAL) */
295 };
296 
297 void
298 Dbg_util_lcinterface(Rt_map *lmp, int tag, char *val)
299 {
300 	const char	*str;
301 	Conv_inv_buf_t	inv_buf;
302 
303 	if (DBG_NOTDETAIL())
304 		return;
305 
306 	if (tag < CI_MAX)
307 		str = MSG_ORIG(tags[tag]);
308 	else
309 		str = conv_invalid_val(&inv_buf, tag, 0);
310 
311 	dbg_print(LIST(lmp), MSG_INTL(MSG_UTL_LCINTERFACE), NAME(lmp), str,
312 	    EC_NATPTR(val));
313 }
314 
315 void
316 Dbg_unused_lcinterface(Rt_map *nlmp, Rt_map *olmp, int tag)
317 {
318 	const char	*str;
319 	Conv_inv_buf_t	inv_buf;
320 
321 	if (DBG_NOTCLASS(DBG_C_UNUSED))
322 		return;
323 
324 	if (tag < CI_MAX)
325 		str = MSG_ORIG(tags[tag]);
326 	else
327 		str = conv_invalid_val(&inv_buf, tag, 0);
328 
329 	dbg_print(LIST(nlmp), MSG_INTL(MSG_USD_LCINTERFACE), NAME(nlmp), str,
330 	    NAME(olmp));
331 }
332 
333 /*
334  * Generic new line generator.  To prevent multiple newlines from being
335  * generated, a flag is maintained in the global debug descriptor.  This flag
336  * is cleared by the callers dbg_print() function to indicate that a newline
337  * (actually, any line) has been printed.  Multiple newlines can be generated
338  * using the DBG_NL_FRC flag.
339  */
340 void
341 Dbg_util_nl(Lm_list *lml, int flag)
342 {
343 	if ((flag == DBG_NL_STD) && (dbg_desc->d_extra & DBG_E_STDNL))
344 		return;
345 
346 	dbg_print(lml, MSG_ORIG(MSG_STR_EMPTY));
347 
348 	if (flag == DBG_NL_STD)
349 		dbg_desc->d_extra |= DBG_E_STDNL;
350 }
351 
352 /*
353  * Define name demanglers.
354  */
355 const char *
356 Dbg_demangle_name(const char *name)
357 {
358 	if (DBG_NOTCLASS(DBG_C_DEMANGLE))
359 		return (name);
360 
361 	return (conv_demangle_name(name));
362 }
363 
364 const char *
365 Elf_demangle_name(const char *name)
366 {
367 	if (DBG_ISDEMANGLE())
368 		return (conv_demangle_name(name));
369 	return (name);
370 }
371