xref: /titanic_50/usr/src/cmd/sgs/liblddbg/common/shdr.c (revision 8cb74972a66bde0af7b1a957d01e0095b82a8b91)
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	<sgs.h>
28 #include	<_debug.h>
29 #include	<conv.h>
30 #include	<msg.h>
31 
32 void
33 Elf_shdr(Lm_list *lml, uchar_t osabi, Half mach, Shdr *shdr)
34 {
35 	Conv_inv_buf_t		inv_buf1, inv_buf2;
36 	Conv_sec_flags_buf_t	sec_flags_buf;
37 
38 	dbg_print(lml, MSG_ORIG(MSG_SHD_ADDR), EC_ADDR(shdr->sh_addr),
39 	    conv_sec_flags(osabi, mach, shdr->sh_flags, 0, &sec_flags_buf));
40 	dbg_print(lml, MSG_ORIG(MSG_SHD_SIZE), EC_XWORD(shdr->sh_size),
41 	    conv_sec_type(osabi, mach, shdr->sh_type, 0, &inv_buf1));
42 	if (shdr->sh_entsize == 0) {
43 		dbg_print(lml, MSG_ORIG(MSG_SHD_OFFSET),
44 		    EC_OFF(shdr->sh_offset), EC_XWORD(shdr->sh_entsize));
45 	} else {		/* Provide an entry count */
46 		Xword nelts = shdr->sh_size / shdr->sh_entsize;
47 		const char *entstr = (nelts == 1) ? MSG_INTL(MSG_SHD_ENTRY_1) :
48 		    MSG_INTL(MSG_SHD_ENTRY_N);
49 
50 		dbg_print(lml, MSG_ORIG(MSG_SHD_OFFSET_ENT),
51 		    EC_OFF(shdr->sh_offset), EC_XWORD(shdr->sh_entsize),
52 		    EC_XWORD(nelts), entstr);
53 	}
54 	dbg_print(lml, MSG_ORIG(MSG_SHD_LINK),
55 	    conv_sec_linkinfo(shdr->sh_link, shdr->sh_flags, &inv_buf1),
56 	    conv_sec_linkinfo(shdr->sh_info, shdr->sh_flags, &inv_buf2));
57 	dbg_print(lml, MSG_ORIG(MSG_SHD_ALIGN), EC_XWORD(shdr->sh_addralign));
58 }
59 
60 void
61 Dbg_shdr_modified(Lm_list *lml, const char *obj, uchar_t osabi, Half mach,
62     Shdr *oshdr, Shdr *nshdr, const char *name)
63 {
64 	if (DBG_NOTCLASS(DBG_C_SECTIONS | DBG_C_SUPPORT))
65 		return;
66 	if (DBG_NOTDETAIL())
67 		return;
68 
69 	Dbg_util_nl(lml, DBG_NL_STD);
70 	dbg_print(lml, MSG_INTL(MSG_SHD_MODIFIED), name, obj);
71 
72 	dbg_print(lml, MSG_INTL(MSG_SHD_ORIG));
73 	Elf_shdr(lml, osabi, mach, oshdr);
74 
75 	dbg_print(lml, MSG_INTL(MSG_SHD_NEW));
76 	Elf_shdr(lml, osabi, mach, nshdr);
77 
78 	Dbg_util_nl(lml, DBG_NL_STD);
79 }
80