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.  */
26const char *
27ia64_backend_name (void)
28{
29  return "ia64";
30}
31
32
33/* Relocation mapping table.  */
34static 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.  */
121const char *
122ia64_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.  */
134bool
135ia64_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
144const char *
145ia64_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
166const char *
167ia64_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