xref: /titanic_41/usr/src/cmd/sgs/liblddbg/common/statistics.c (revision 9e86db79b7d1bbc5f2f04e99954cbd5eae0e22bb)
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	"_debug.h"
28 #include	"msg.h"
29 #include	"libld.h"
30 
31 void
32 Dbg_statistics_ld(Ofl_desc *ofl)
33 {
34 	Lm_list	*lml = ofl->ofl_lml;
35 
36 	if (DBG_NOTCLASS(DBG_C_STATS))
37 		return;
38 
39 	Dbg_util_nl(lml, DBG_NL_STD);
40 	dbg_print(lml, MSG_INTL(MSG_STATS_GENERAL));
41 
42 	if (ofl->ofl_objscnt || ofl->ofl_soscnt || ofl->ofl_arscnt) {
43 		dbg_print(lml, MSG_INTL(MSG_STATS_FILES),
44 		    EC_XWORD(ofl->ofl_objscnt), EC_XWORD(ofl->ofl_soscnt),
45 		    EC_XWORD(ofl->ofl_arscnt));
46 	}
47 
48 	if (ofl->ofl_locscnt || ofl->ofl_globcnt) {
49 		dbg_print(lml, MSG_INTL(MSG_STATS_SYMBOLS_OUT),
50 		    EC_XWORD(ofl->ofl_globcnt), EC_XWORD(ofl->ofl_locscnt));
51 	}
52 	if (ofl->ofl_entercnt || ofl->ofl_scopecnt || ofl->ofl_elimcnt) {
53 		dbg_print(lml, MSG_INTL(MSG_STATS_SYMBOLS_IN),
54 		    EC_XWORD(ofl->ofl_entercnt), EC_XWORD(ofl->ofl_scopecnt),
55 		    EC_XWORD(ofl->ofl_elimcnt));
56 	}
57 
58 	if (ofl->ofl_outrelscnt) {
59 		dbg_print(lml, MSG_INTL(MSG_STATS_RELOCS_OUT),
60 		    EC_XWORD(ofl->ofl_outrelscnt));
61 	}
62 	if (ofl->ofl_entrelscnt || ofl->ofl_actrelscnt) {
63 		dbg_print(lml, MSG_INTL(MSG_STATS_RELOCS_IN),
64 		    EC_XWORD(ofl->ofl_entrelscnt),
65 		    EC_XWORD(ofl->ofl_actrelscnt));
66 	}
67 }
68 
69 void
70 Dbg_statistics_ar(Ofl_desc *ofl)
71 {
72 	Aliste		idx;
73 	Ar_desc		*adp;
74 	Elf_Arsym	*arsym;
75 	Ar_aux		*aux;
76 	Lm_list		*lml = ofl->ofl_lml;
77 
78 	if (DBG_NOTCLASS(DBG_C_STATS | DBG_C_UNUSED))
79 		return;
80 
81 	Dbg_util_nl(lml, DBG_NL_STD);
82 	for (APLIST_TRAVERSE(ofl->ofl_ars, idx, adp)) {
83 		size_t	poffset = 0;
84 		uint_t	count = 0, used = 0;
85 
86 		if ((adp->ad_flags & FLG_ARD_EXTRACT) == 0) {
87 			Dbg_unused_file(lml, adp->ad_name, 0, 0);
88 			continue;
89 		}
90 
91 		if (DBG_NOTCLASS(DBG_C_STATS))
92 			continue;
93 
94 		arsym = adp->ad_start;
95 		aux = adp->ad_aux;
96 		while (arsym->as_off) {
97 			/*
98 			 * Assume that symbols from the same member file are
99 			 * adjacent within the archive symbol table.
100 			 */
101 			if (poffset != arsym->as_off) {
102 				count++;
103 				poffset = arsym->as_off;
104 				if (aux->au_mem == FLG_ARMEM_PROC)
105 					used++;
106 			}
107 			aux++, arsym++;
108 		}
109 		if ((count == 0) || (used == 0))
110 			continue;
111 #ifndef	UDIV_NOT_SUPPORTED
112 		dbg_print(lml, MSG_INTL(MSG_STATS_AR), adp->ad_name, count,
113 		    used, ((used * 100) / count));
114 #endif
115 	}
116 	Dbg_util_nl(lml, DBG_NL_STD);
117 }
118