xref: /titanic_41/usr/src/cmd/sgs/libconv/common/phdr.c (revision 3893cb7fe5bfa1c9a4f7954517a917367f6cf081)
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * String conversion routines for program header attributes.
31  */
32 #include	<string.h>
33 #include	<_conv.h>
34 #include	<phdr_msg.h>
35 
36 /* Instantiate a local copy of conv_map2str() from _conv.h */
37 DEFINE_conv_map2str
38 
39 const char *
40 conv_phdr_type(Half mach, Word type, int fmt_flags)
41 {
42 	static Conv_inv_buf_t	string;
43 	static const Msg	phdrs[] = {
44 		MSG_PT_NULL,		MSG_PT_LOAD,
45 		MSG_PT_DYNAMIC,		MSG_PT_INTERP,
46 		MSG_PT_NOTE,		MSG_PT_SHLIB,
47 		MSG_PT_PHDR,		MSG_PT_TLS
48 	};
49 	static const Msg	phdrs_alt[] = {
50 		MSG_PT_NULL_ALT,	MSG_PT_LOAD_ALT,
51 		MSG_PT_DYNAMIC_ALT,	MSG_PT_INTERP_ALT,
52 		MSG_PT_NOTE_ALT,	MSG_PT_SHLIB_ALT,
53 		MSG_PT_PHDR_ALT,	MSG_PT_TLS_ALT
54 	};
55 #if PT_NUM != (PT_TLS + 1)
56 error "PT_NUM has grown. Update phdrs[]"
57 #endif
58 	static const Msg uphdrs[] = {
59 		MSG_PT_SUNWBSS,		MSG_PT_SUNWSTACK,
60 		MSG_PT_SUNWDTRACE,	MSG_PT_SUNWCAP
61 	};
62 	static const Msg uphdrs_alt[] = {
63 		MSG_PT_SUNWBSS_ALT,	MSG_PT_SUNWSTACK_ALT,
64 		MSG_PT_SUNWDTRACE_ALT,	MSG_PT_SUNWCAP_ALT
65 	};
66 #if PT_LOSUNW != PT_SUNWBSS
67 #error "PT_LOSUNW has grown. Update uphdrs[]"
68 #endif
69 
70 	if (type < PT_NUM) {
71 		return (conv_map2str(string, sizeof (string),
72 		    type, fmt_flags, ARRAY_NELTS(phdrs),
73 		    phdrs, phdrs_alt, phdrs_alt));
74 	} else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) {
75 		return (conv_map2str(string, sizeof (string),
76 		    (type - PT_SUNWBSS), fmt_flags, ARRAY_NELTS(uphdrs),
77 		    uphdrs, uphdrs_alt, uphdrs_alt));
78 	} else if ((type == PT_SUNW_UNWIND) && (mach == EM_AMD64)) {
79 		return ((fmt_flags & CONV_FMTALTMASK) ?
80 		    MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT) :
81 		    MSG_ORIG(MSG_PT_SUNW_UNWIND));
82 	} else
83 		return (conv_invalid_val(string, CONV_INV_STRSIZE, type, 0));
84 }
85 
86 #define	PHDRSZ	CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
87 		MSG_PF_X_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
88 		MSG_PF_W_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
89 		MSG_PF_R_SIZE	+ CONV_EXPN_FIELD_DEF_SEP_SIZE + \
90 		MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
91 		CONV_INV_STRSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
92 
93 const char *
94 conv_phdr_flags(Word flags)
95 {
96 	static char string[PHDRSZ];
97 	static Val_desc vda[] = {
98 		{ PF_X,			MSG_ORIG(MSG_PF_X) },
99 		{ PF_W,			MSG_ORIG(MSG_PF_W) },
100 		{ PF_R,			MSG_ORIG(MSG_PF_R) },
101 		{ PF_SUNW_FAILURE,	MSG_ORIG(MSG_PF_SUNW_FAILURE) },
102 		{ 0,			0 }
103 	};
104 	static CONV_EXPN_FIELD_ARG conv_arg = { string, sizeof (string), vda };
105 
106 	if (flags == 0)
107 		return (MSG_ORIG(MSG_GBL_ZERO));
108 
109 	conv_arg.oflags = conv_arg.rflags = flags;
110 	(void) conv_expn_field(&conv_arg);
111 
112 	return ((const char *)string);
113 }
114