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 <inttypes.h>
35 #include <stdio.h>
36 #include <string.h>
37 #include <libeblP.h>
38
39
40 const char *
ebl_object_note_type_name(Ebl * ebl,const char * name,uint32_t type,GElf_Word descsz,char * buf,size_t len)41 ebl_object_note_type_name (Ebl *ebl, const char *name, uint32_t type,
42 GElf_Word descsz,
43 char *buf, size_t len)
44 {
45 const char *res = ebl->object_note_type_name (name, type, buf, len);
46
47 if (res == NULL)
48 {
49 if (strcmp (name, "stapsdt") == 0)
50 {
51 snprintf (buf, len, "Version: %" PRIu32, type);
52 return buf;
53 }
54
55 #define ELF_NOTE_GOPKGLIST 1
56 #define ELF_NOTE_GOABIHASH 2
57 #define ELF_NOTE_GODEPS 3
58 #define ELF_NOTE_GOBUILDID 4
59
60 static const char *goknowntypes[] =
61 {
62 #define KNOWNSTYPE(name) [ELF_NOTE_GO##name] = #name
63 KNOWNSTYPE (PKGLIST),
64 KNOWNSTYPE (ABIHASH),
65 KNOWNSTYPE (DEPS),
66 KNOWNSTYPE (BUILDID),
67 #undef KNOWNSTYPE
68 };
69
70 if (strcmp (name, "Go") == 0)
71 {
72 if (type < sizeof (goknowntypes) / sizeof (goknowntypes[0])
73 && goknowntypes[type] != NULL)
74 return goknowntypes[type];
75 else
76 {
77 snprintf (buf, len, "%s: %" PRIu32, gettext ("<unknown>"), type);
78 return buf;
79 }
80 }
81
82 if (strncmp (name, ELF_NOTE_GNU_BUILD_ATTRIBUTE_PREFIX,
83 strlen (ELF_NOTE_GNU_BUILD_ATTRIBUTE_PREFIX)) == 0)
84 {
85 /* GNU Build Attribute notes (ab)use the owner name to store
86 most of their data. Don't decode everything here. Just
87 the type.*/
88 char *t = buf;
89 const char *gba = "GNU Build Attribute";
90 int w = snprintf (t, len, "%s ", gba);
91 t += w;
92 len -= w;
93 if (type == NT_GNU_BUILD_ATTRIBUTE_OPEN)
94 snprintf (t, len, "OPEN");
95 else if (type == NT_GNU_BUILD_ATTRIBUTE_FUNC)
96 snprintf (t, len, "FUNC");
97 else
98 snprintf (t, len, "%x", type);
99
100 return buf;
101 }
102
103 if (strcmp (name, "GNU") != 0)
104 {
105 /* NT_VERSION is special, all data is in the name. */
106 if (descsz == 0 && type == NT_VERSION)
107 return "VERSION";
108
109 snprintf (buf, len, "%s: %" PRIu32, gettext ("<unknown>"), type);
110 return buf;
111 }
112
113 /* And finally all the "GNU" note types. */
114 static const char *knowntypes[] =
115 {
116 #define KNOWNSTYPE(name) [NT_##name] = #name
117 KNOWNSTYPE (GNU_ABI_TAG),
118 KNOWNSTYPE (GNU_HWCAP),
119 KNOWNSTYPE (GNU_BUILD_ID),
120 KNOWNSTYPE (GNU_GOLD_VERSION),
121 KNOWNSTYPE (GNU_PROPERTY_TYPE_0),
122 };
123
124 /* Handle standard names. */
125 if (type < sizeof (knowntypes) / sizeof (knowntypes[0])
126 && knowntypes[type] != NULL)
127 res = knowntypes[type];
128 else
129 {
130 snprintf (buf, len, "%s: %" PRIu32, gettext ("<unknown>"), type);
131
132 res = buf;
133 }
134 }
135
136 return res;
137 }
138