xref: /illumos-gate/usr/src/cmd/sgs/liblddbg/common/segments.c (revision 2654012f83cec5dc15b61dfe3e4a4915f186e7a6)
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 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include	"msg.h"
29 #include	"_debug.h"
30 #include	"libld.h"
31 
32 
33 /*
34  * Print out a single `segment descriptor' entry.
35  */
36 void
37 Dbg_seg_desc_entry(Lm_list *lml, Half mach, int ndx, Sg_desc *sgp)
38 {
39 	Conv_seg_flags_buf_t	seg_flags_buf;
40 	const char		*str;
41 
42 	if (sgp->sg_name && *sgp->sg_name)
43 		str = sgp->sg_name;
44 	else
45 		str = MSG_INTL(MSG_STR_NULL);
46 
47 	Dbg_util_nl(lml, DBG_NL_STD);
48 	dbg_print(lml, MSG_ORIG(MSG_SEG_NAME), ndx, str);
49 
50 	Elf_phdr(lml, mach, &sgp->sg_phdr);
51 
52 	dbg_print(lml, MSG_ORIG(MSG_SEG_LENGTH), EC_ADDR(sgp->sg_length));
53 	dbg_print(lml, MSG_ORIG(MSG_SEG_FLAGS),
54 	    conv_seg_flags(sgp->sg_flags, &seg_flags_buf));
55 
56 	if (sgp->sg_sizesym && sgp->sg_sizesym->sd_name)
57 		dbg_print(lml, MSG_ORIG(MSG_SEG_SIZESYM),
58 		    Dbg_demangle_name(sgp->sg_sizesym->sd_name));
59 
60 	if (sgp->sg_secorder) {
61 		Aliste		idx;
62 		Sec_order	*scop;
63 
64 		dbg_print(lml, MSG_ORIG(MSG_SEG_ORDER));
65 		for (APLIST_TRAVERSE(sgp->sg_secorder, idx, scop))
66 			dbg_print(lml, MSG_ORIG(MSG_SEG_SECTION),
67 			    scop->sco_secname, EC_WORD(scop->sco_index));
68 	}
69 	Dbg_util_nl(lml, DBG_NL_STD);
70 }
71 
72 void
73 Dbg_seg_title(Lm_list *lml)
74 {
75 	if (DBG_NOTCLASS(DBG_C_SEGMENTS))
76 		return;
77 
78 	Dbg_util_nl(lml, DBG_NL_STD);
79 	dbg_print(lml, MSG_INTL(MSG_SEG_DESC_INUSE));
80 }
81 
82 void
83 Dbg_seg_entry(Ofl_desc *ofl, int ndx, Sg_desc *sgp)
84 {
85 	if (DBG_NOTCLASS(DBG_C_SEGMENTS))
86 		return;
87 
88 	Dbg_seg_desc_entry(ofl->ofl_lml, ofl->ofl_dehdr->e_machine, ndx, sgp);
89 }
90 
91 /*
92  * Print out the available segment descriptors.
93  */
94 void
95 Dbg_seg_list(Lm_list *lml, Half mach, List *lsg)
96 {
97 	Listnode	*lnp;
98 	Sg_desc		*sgp;
99 	int		ndx = 0;
100 
101 	if (DBG_NOTCLASS(DBG_C_SEGMENTS))
102 		return;
103 
104 	Dbg_util_nl(lml, DBG_NL_STD);
105 	dbg_print(lml, MSG_INTL(MSG_SEG_DESC_AVAIL));
106 	for (LIST_TRAVERSE(lsg, lnp, sgp))
107 		Dbg_seg_desc_entry(lml, mach, ndx++, sgp);
108 }
109 
110 /*
111  * Print the output section information.  This includes the section header
112  * information and the output elf buffer information.  If the detail flag is
113  * set, traverse the input sections displaying all the input buffers that
114  * have been concatenated to form this output buffer.
115  */
116 void
117 Dbg_seg_os(Ofl_desc *ofl, Os_desc *osp, int ndx)
118 {
119 	Conv_inv_buf_t	inv_buf;
120 	Lm_list		*lml = ofl->ofl_lml;
121 	Listnode	*lnp;
122 	Is_desc		*isp;
123 	Elf_Data	*data;
124 	Shdr		*shdr;
125 
126 	if (DBG_NOTCLASS(DBG_C_SEGMENTS))
127 		return;
128 
129 	dbg_print(lml, MSG_ORIG(MSG_SEC_NAME), ndx, osp->os_name);
130 	Elf_shdr(lml, ofl->ofl_dehdr->e_machine, osp->os_shdr);
131 	dbg_print(lml, MSG_INTL(MSG_EDATA_TITLE));
132 
133 	shdr = osp->os_shdr;
134 	data = osp->os_outdata;
135 	dbg_print(lml, MSG_INTL(MSG_EDATA_ENTRY), MSG_INTL(MSG_STR_OUT),
136 	    EC_ADDR(shdr->sh_addr), conv_elfdata_type(data->d_type, &inv_buf),
137 	    EC_XWORD(data->d_size), EC_OFF(data->d_off),
138 	    EC_XWORD(data->d_align), MSG_ORIG(MSG_STR_EMPTY),
139 	    MSG_ORIG(MSG_STR_EMPTY));
140 
141 	if (DBG_NOTDETAIL())
142 		return;
143 
144 	for (LIST_TRAVERSE(&(osp->os_isdescs), lnp, isp)) {
145 		const char	*file, *str;
146 		Addr		addr;
147 
148 		data = isp->is_indata;
149 
150 		if (isp->is_flags & FLG_IS_DISCARD) {
151 			str = MSG_INTL(MSG_EDATA_IGNSCN);
152 			addr = 0;
153 		} else {
154 			str = MSG_ORIG(MSG_STR_EMPTY);
155 			addr = (Addr)(shdr->sh_addr + data->d_off);
156 		}
157 
158 		if (isp->is_file && isp->is_file->ifl_name)
159 			file = isp->is_file->ifl_name;
160 		else
161 			file = MSG_ORIG(MSG_STR_EMPTY);
162 
163 		dbg_print(lml, MSG_INTL(MSG_EDATA_ENTRY), MSG_INTL(MSG_STR_IN),
164 		    EC_ADDR(addr), conv_elfdata_type(data->d_type, &inv_buf),
165 		    EC_XWORD(data->d_size), EC_OFF(data->d_off),
166 		    EC_XWORD(data->d_align), file, str);
167 	}
168 }
169