1 /* Return note type name.
2 Copyright (C) 2002, 2007, 2009, 2011, 2016, 2018 Red Hat, Inc.
3 This file is part of elfutils.
4 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
5
6 This file is free software; you can redistribute it and/or modify
7 it under the terms of either
8
9 * the GNU Lesser General Public License as published by the Free
10 Software Foundation; either version 3 of the License, or (at
11 your option) any later version
12
13 or
14
15 * the GNU General Public License as published by the Free
16 Software Foundation; either version 2 of the License, or (at
17 your option) any later version
18
19 or both in parallel, as here.
20
21 elfutils is distributed in the hope that it will be useful, but
22 WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 General Public License for more details.
25
26 You should have received copies of the GNU General Public License and
27 the GNU Lesser General Public License along with this program. If
28 not, see <http://www.gnu.org/licenses/>. */
29
30 #ifdef HAVE_CONFIG_H
31 # include <config.h>
32 #endif
33
34 #include <system.h>
35
36 #include <inttypes.h>
37 #include <stdio.h>
38 #include <string.h>
39 #include <libeblP.h>
40
41
42 const char *
ebl_object_note_type_name(Ebl * ebl,const char * name,uint32_t type,GElf_Word descsz,char * buf,size_t len)43 ebl_object_note_type_name (Ebl *ebl, const char *name, uint32_t type,
44 GElf_Word descsz,
45 char *buf, size_t len)
46 {
47 const char *res = ebl->object_note_type_name (name, type, buf, len);
48
49 if (res == NULL)
50 {
51 if (strcmp (name, "stapsdt") == 0)
52 {
53 snprintf (buf, len, "Version: %" PRIu32, type);
54 return buf;
55 }
56
57 #define ELF_NOTE_GOPKGLIST 1
58 #define ELF_NOTE_GOABIHASH 2
59 #define ELF_NOTE_GODEPS 3
60 #define ELF_NOTE_GOBUILDID 4
61
62 static const char *goknowntypes[] =
63 {
64 #define KNOWNSTYPE(name) [ELF_NOTE_GO##name] = #name
65 KNOWNSTYPE (PKGLIST),
66 KNOWNSTYPE (ABIHASH),
67 KNOWNSTYPE (DEPS),
68 KNOWNSTYPE (BUILDID),
69 #undef KNOWNSTYPE
70 };
71
72 if (strcmp (name, "Go") == 0)
73 {
74 if (type < sizeof (goknowntypes) / sizeof (goknowntypes[0])
75 && goknowntypes[type] != NULL)
76 return goknowntypes[type];
77 else
78 {
79 snprintf (buf, len, "%s: %" PRIu32, _("<unknown>"), type);
80 return buf;
81 }
82 }
83
84 if (startswith (name, ELF_NOTE_GNU_BUILD_ATTRIBUTE_PREFIX))
85 {
86 /* GNU Build Attribute notes (ab)use the owner name to store
87 most of their data. Don't decode everything here. Just
88 the type.*/
89 char *t = buf;
90 const char *gba = "GNU Build Attribute";
91 int w = snprintf (t, len, "%s ", gba);
92 t += w;
93 len -= w;
94 if (type == NT_GNU_BUILD_ATTRIBUTE_OPEN)
95 snprintf (t, len, "OPEN");
96 else if (type == NT_GNU_BUILD_ATTRIBUTE_FUNC)
97 snprintf (t, len, "FUNC");
98 else
99 snprintf (t, len, "%x", type);
100
101 return buf;
102 }
103
104 if (strcmp (name, "GNU") != 0)
105 {
106 /* NT_VERSION is special, all data is in the name. */
107 if (descsz == 0 && type == NT_VERSION)
108 return "VERSION";
109
110 snprintf (buf, len, "%s: %" PRIu32, _("<unknown>"), type);
111 return buf;
112 }
113
114 /* And finally all the "GNU" note types. */
115 static const char *knowntypes[] =
116 {
117 #define KNOWNSTYPE(name) [NT_##name] = #name
118 KNOWNSTYPE (GNU_ABI_TAG),
119 KNOWNSTYPE (GNU_HWCAP),
120 KNOWNSTYPE (GNU_BUILD_ID),
121 KNOWNSTYPE (GNU_GOLD_VERSION),
122 KNOWNSTYPE (GNU_PROPERTY_TYPE_0),
123 };
124
125 /* Handle standard names. */
126 if (type < sizeof (knowntypes) / sizeof (knowntypes[0])
127 && knowntypes[type] != NULL)
128 res = knowntypes[type];
129 else
130 {
131 snprintf (buf, len, "%s: %" PRIu32, _("<unknown>"), type);
132
133 res = buf;
134 }
135 }
136
137 return res;
138 }
139