1 /* IA-64 specific symbolic name handling.
2 Copyright (C) 2002, 2003 Red Hat, Inc.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 This program is Open Source software; you can redistribute it and/or
6 modify it under the terms of the Open Software License version 1.0 as
7 published by the Open Source Initiative.
8
9 You should have received a copy of the Open Software License along
10 with this program; if not, you may obtain a copy of the Open Software
11 License version 1.0 from http://www.opensource.org/licenses/osl.php or
12 by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
13 3001 King Ranch Road, Ukiah, CA 95482. */
14
15 #ifdef HAVE_CONFIG_H
16 # include <config.h>
17 #endif
18
19 #include <elf.h>
20 #include <stddef.h>
21
22 #include <libebl_ia64.h>
23
24
25 /* Return of the backend. */
26 const char *
ia64_backend_name(void)27 ia64_backend_name (void)
28 {
29 return "ia64";
30 }
31
32
33 /* Relocation mapping table. */
34 static const char *reloc_map_table[] =
35 {
36 [R_IA64_NONE] = "R_IA64_NONE",
37 [R_IA64_IMM14] = "R_IA64_IMM14",
38 [R_IA64_IMM22] = "R_IA64_IMM22",
39 [R_IA64_IMM64] = "R_IA64_IMM64",
40 [R_IA64_DIR32MSB] = "R_IA64_DIR32MSB",
41 [R_IA64_DIR32LSB] = "R_IA64_DIR32LSB",
42 [R_IA64_DIR64MSB] = "R_IA64_DIR64MSB",
43 [R_IA64_DIR64LSB] = "R_IA64_DIR64LSB",
44 [R_IA64_GPREL22] = "R_IA64_GPREL22",
45 [R_IA64_GPREL64I] = "R_IA64_GPREL64I",
46 [R_IA64_GPREL32MSB] = "R_IA64_GPREL32MSB",
47 [R_IA64_GPREL32LSB] = "R_IA64_GPREL32LSB",
48 [R_IA64_GPREL64MSB] = "R_IA64_GPREL64MSB",
49 [R_IA64_GPREL64LSB] = "R_IA64_GPREL64LSB",
50 [R_IA64_LTOFF22] = "R_IA64_LTOFF22",
51 [R_IA64_LTOFF64I] = "R_IA64_LTOFF64I",
52 [R_IA64_PLTOFF22] = "R_IA64_PLTOFF22",
53 [R_IA64_PLTOFF64I] = "R_IA64_PLTOFF64I",
54 [R_IA64_PLTOFF64MSB] = "R_IA64_PLTOFF64MSB",
55 [R_IA64_PLTOFF64LSB] = "R_IA64_PLTOFF64LSB",
56 [R_IA64_FPTR64I] = "R_IA64_FPTR64I",
57 [R_IA64_FPTR32MSB] = "R_IA64_FPTR32MSB",
58 [R_IA64_FPTR32LSB] = "R_IA64_FPTR32LSB",
59 [R_IA64_FPTR64MSB] = "R_IA64_FPTR64MSB",
60 [R_IA64_FPTR64LSB] = "R_IA64_FPTR64LSB",
61 [R_IA64_PCREL60B] = "R_IA64_PCREL60B",
62 [R_IA64_PCREL21B] = "R_IA64_PCREL21B",
63 [R_IA64_PCREL21M] = "R_IA64_PCREL21M",
64 [R_IA64_PCREL21F] = "R_IA64_PCREL21F",
65 [R_IA64_PCREL32MSB] = "R_IA64_PCREL32MSB",
66 [R_IA64_PCREL32LSB] = "R_IA64_PCREL32LSB",
67 [R_IA64_PCREL64MSB] = "R_IA64_PCREL64MSB",
68 [R_IA64_PCREL64LSB] = "R_IA64_PCREL64LSB",
69 [R_IA64_LTOFF_FPTR22] = "R_IA64_LTOFF_FPTR22",
70 [R_IA64_LTOFF_FPTR64I] = "R_IA64_LTOFF_FPTR64I",
71 [R_IA64_LTOFF_FPTR32MSB] = "R_IA64_LTOFF_FPTR32MSB",
72 [R_IA64_LTOFF_FPTR32LSB] = "R_IA64_LTOFF_FPTR32LSB",
73 [R_IA64_LTOFF_FPTR64MSB] = "R_IA64_LTOFF_FPTR64MSB",
74 [R_IA64_LTOFF_FPTR64LSB] = "R_IA64_LTOFF_FPTR64LSB",
75 [R_IA64_SEGREL32MSB] = "R_IA64_SEGREL32MSB",
76 [R_IA64_SEGREL32LSB] = "R_IA64_SEGREL32LSB",
77 [R_IA64_SEGREL64MSB] = "R_IA64_SEGREL64MSB",
78 [R_IA64_SEGREL64LSB] = "R_IA64_SEGREL64LSB",
79 [R_IA64_SECREL32MSB] = "R_IA64_SECREL32MSB",
80 [R_IA64_SECREL32LSB] = "R_IA64_SECREL32LSB",
81 [R_IA64_SECREL64MSB] = "R_IA64_SECREL64MSB",
82 [R_IA64_SECREL64LSB] = "R_IA64_SECREL64LSB",
83 [R_IA64_REL32MSB] = "R_IA64_REL32MSB",
84 [R_IA64_REL32LSB] = "R_IA64_REL32LSB",
85 [R_IA64_REL64MSB] = "R_IA64_REL64MSB",
86 [R_IA64_REL64LSB] = "R_IA64_REL64LSB",
87 [R_IA64_LTV32MSB] = "R_IA64_LTV32MSB",
88 [R_IA64_LTV32LSB] = "R_IA64_LTV32LSB",
89 [R_IA64_LTV64MSB] = "R_IA64_LTV64MSB",
90 [R_IA64_LTV64LSB] = "R_IA64_LTV64LSB",
91 [R_IA64_PCREL21BI] = "R_IA64_PCREL21BI",
92 [R_IA64_PCREL22] = "R_IA64_PCREL22",
93 [R_IA64_PCREL64I] = "R_IA64_PCREL64I",
94 [R_IA64_IPLTMSB] = "R_IA64_IPLTMSB",
95 [R_IA64_IPLTLSB] = "R_IA64_IPLTLSB",
96 [R_IA64_COPY] = "R_IA64_COPY",
97 [R_IA64_SUB] = "R_IA64_SUB",
98 [R_IA64_LTOFF22X] = "R_IA64_LTOFF22X",
99 [R_IA64_LDXMOV] = "R_IA64_LDXMOV",
100 [R_IA64_TPREL14] = "R_IA64_TPREL14",
101 [R_IA64_TPREL22] = "R_IA64_TPREL22",
102 [R_IA64_TPREL64I] = "R_IA64_TPREL64I",
103 [R_IA64_TPREL64MSB] = "R_IA64_TPREL64MSB",
104 [R_IA64_TPREL64LSB] = "R_IA64_TPREL64LSB",
105 [R_IA64_LTOFF_TPREL22] = "R_IA64_LTOFF_TPREL22",
106 [R_IA64_DTPMOD64MSB] = "R_IA64_DTPMOD64MSB",
107 [R_IA64_DTPMOD64LSB] = "R_IA64_DTPMOD64LSB",
108 [R_IA64_LTOFF_DTPMOD22] = "R_IA64_LTOFF_DTPMOD22",
109 [R_IA64_DTPREL14] = "R_IA64_DTPREL14",
110 [R_IA64_DTPREL22] = "R_IA64_DTPREL22",
111 [R_IA64_DTPREL64I] = "R_IA64_DTPREL64I",
112 [R_IA64_DTPREL32MSB] = "R_IA64_DTPREL32MSB",
113 [R_IA64_DTPREL32LSB] = "R_IA64_DTPREL32LSB",
114 [R_IA64_DTPREL64MSB] = "R_IA64_DTPREL64MSB",
115 [R_IA64_DTPREL64LSB] = "R_IA64_DTPREL64LSB",
116 [R_IA64_LTOFF_DTPREL22] = "R_IA64_LTOFF_DTPREL22"
117 };
118
119
120 /* Determine relocation type string for IA-64. */
121 const char *
ia64_reloc_type_name(int type,char * buf,size_t len)122 ia64_reloc_type_name (int type, char *buf, size_t len)
123 {
124 if (type < 0
125 || ((size_t) type
126 >= sizeof (reloc_map_table) / sizeof (reloc_map_table[0])))
127 return NULL;
128
129 return reloc_map_table[type];
130 }
131
132
133 /* Check for correct relocation type. */
134 bool
ia64_reloc_type_check(int type)135 ia64_reloc_type_check (int type)
136 {
137 return (type >= R_IA64_NONE
138 && ((size_t) type
139 < sizeof (reloc_map_table) / sizeof (reloc_map_table[0]))
140 && reloc_map_table[type] != NULL) ? true : false;
141 }
142
143
144 const char *
ia64_segment_type_name(int segment,char * buf,size_t len)145 ia64_segment_type_name (int segment, char *buf, size_t len)
146 {
147 switch (segment)
148 {
149 case PT_IA_64_ARCHEXT:
150 return "IA_64_ARCHEXT";
151 case PT_IA_64_UNWIND:
152 return "IA_64_UNWIND";
153 case PT_IA_64_HP_OPT_ANOT:
154 return "IA_64_HP_OPT_ANOT";
155 case PT_IA_64_HP_HSL_ANOT:
156 return "IA_64_HP_HSL_ANOT";
157 case PT_IA_64_HP_STACK:
158 return "IA_64_HP_STACK";
159 default:
160 break;
161 }
162 return NULL;
163 }
164
165
166 const char *
ia64_dynamic_tag_name(int64_t tag,char * buf,size_t len)167 ia64_dynamic_tag_name (int64_t tag, char *buf, size_t len)
168 {
169 switch (tag)
170 {
171 case DT_IA_64_PLT_RESERVE:
172 return "IA_64_PLT_RESERVE";
173 default:
174 break;
175 }
176 return NULL;
177 }
178