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* ecoff.c (_bfd_ecoff_new_section_hook): Handle .rconst section.
[binutils.git] / bfd / elf64-sparc.c
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789776d7
KR		 1/* SPARC-specific support for 32-bit ELF
2 Copyright 1993 Free Software Foundation, Inc.
3
4This file is part of BFD, the Binary File Descriptor library.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20#include "bfd.h"
21#include "sysdep.h"
22#include "libbfd.h"
23#include "libelf.h"
24
25enum reloc_type
26 {
27 R_SPARC_NONE = 0,
28 R_SPARC_8, R_SPARC_16, R_SPARC_32,
29 R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
30 R_SPARC_WDISP30, R_SPARC_WDISP22,
31 R_SPARC_HI22, R_SPARC_22,
32 R_SPARC_13, R_SPARC_LO10,
33 R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
34 R_SPARC_PC10, R_SPARC_PC22,
35 R_SPARC_WPLT30,
36 R_SPARC_COPY,
37 R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
38 R_SPARC_RELATIVE,
39 R_SPARC_UA32,
40
41 /* v9 relocs */
42 R_SPARC_10, R_SPARC_11, R_SPARC_64,
43 R_SPARC_OLO10, R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22,
44 R_SPARC_PC_HH22, R_SPARC_PC_HM10, R_SPARC_PC_LM22,
45 R_SPARC_WDISP16, R_SPARC_WDISP19,
46 R_SPARC_GLOB_JMP, R_SPARC_LO7,
47
48 R_SPARC_max
49 };
50
51#if 0
52static CONST char *CONST reloc_type_names[] =
53{
54 "R_SPARC_NONE",
55 "R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
56 "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
57 "R_SPARC_WDISP30", "R_SPARC_WDISP22",
58 "R_SPARC_HI22", "R_SPARC_22",
59 "R_SPARC_13", "R_SPARC_LO10",
60 "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
61 "R_SPARC_PC10", "R_SPARC_PC22",
62 "R_SPARC_WPLT30",
63 "R_SPARC_COPY",
64 "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
65 "R_SPARC_RELATIVE",
66 "R_SPARC_UA32",
67
68 "R_SPARC_10", "R_SPARC_11", "R_SPARC_64",
69 "R_SPARC_OLO10", "R_SPARC_HH22", "R_SPARC_HM10", "R_SPARC_LM22",
70 "R_SPARC_PC_HH22", "R_SPARC_PC_HM10", "R_SPARC_PC_LM22",
71 "R_SPARC_WDISP16", "R_SPARC_WDISP19",
72 "R_SPARC_GLOB_JMP", "R_SPARC_LO7",
73};
74#endif
75
76extern void abort ();
77#define DIE ((bfd_reloc_status_type(*)())abort)
78
79static reloc_howto_type elf_sparc_howto_table[] =
80{
051cdcb3
KR		 81 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,false,false, bfd_elf_generic_reloc,"R_SPARC_NONE", false,0,0x00000000,false),
82 HOWTO(R_SPARC_8, 0,0, 8,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_8", false,0,0x000000ff,false),
83 HOWTO(R_SPARC_16, 0,1,16,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_16", false,0,0x0000ffff,false),
84 HOWTO(R_SPARC_32, 0,2,32,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_32", false,0,0xffffffff,false),
85 HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_DISP8", false,0,0x000000ff,false),
86 HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_DISP16", false,0,0x0000ffff,false),
87 HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_DISP32", false,0,0x00ffffff,false),
88 HOWTO(R_SPARC_WDISP30,2,2,30,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_WDISP30",false,0,0x3fffffff,true),
89 HOWTO(R_SPARC_WDISP22,2,2,22,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_WDISP22",false,0,0x003fffff,false),
90 HOWTO(R_SPARC_HI22, 10,2,22,false,0,true, false, bfd_elf_generic_reloc,"R_SPARC_HI22", false,0,0x003fffff,false),
91 HOWTO(R_SPARC_22, 0,2,22,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_22", false,0,0x003fffff,false),
92 HOWTO(R_SPARC_13, 0,1,13,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_13", false,0,0x00001fff,false),
93 HOWTO(R_SPARC_LO10, 0,1,10,false,0,true, false, bfd_elf_generic_reloc,"R_SPARC_LO10", false,0,0x000003ff,false),
94 HOWTO(R_SPARC_GOT10, 0,1,10,false,0,false, true, bfd_elf_generic_reloc,"R_SPARC_GOT10", false,0,0x000003ff,false),
95 HOWTO(R_SPARC_GOT13, 0,1,13,false,0,false, true, bfd_elf_generic_reloc,"R_SPARC_GOT13", false,0,0x00001fff,false),
96 HOWTO(R_SPARC_GOT22, 10,2,22,false,0,false, true, bfd_elf_generic_reloc,"R_SPARC_GOT22", false,0,0x003fffff,false),
97 HOWTO(R_SPARC_PC10, 0,1,10,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_PC10", false,0,0x000003ff,false),
98 HOWTO(R_SPARC_PC22, 0,2,22,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_PC22", false,0,0x003fffff,false),
99 HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,false,false, bfd_elf_generic_reloc,"R_SPARC_WPLT30", false,0,0x00000000,false),
100 HOWTO(R_SPARC_COPY, 0,0,00,false,0,false,false, bfd_elf_generic_reloc,"R_SPARC_COPY", false,0,0x00000000,false),
101 HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_GLOB_DAT",false,0,0x00000000,false),
102 HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_JMP_SLOT",false,0,0x00000000,false),
103 HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_RELATIVE",false,0,0x00000000,false),
104 HOWTO(R_SPARC_UA32, 0,0,00,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_UA32", false,0,0x00000000,false),
105 HOWTO(R_SPARC_10, 0,1,10,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_10", false,0,0x000003ff,false),
106 HOWTO(R_SPARC_11, 0,1,11,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_11", false,0,0x000007ff,false),
107 HOWTO(R_SPARC_64, 0,4,00,false,0,true, true, bfd_elf_generic_reloc,"R_SPARC_64", false,0,(((bfd_vma)0xffffffff)<<32)+0xffffffff,false),
108 HOWTO(R_SPARC_OLO10, 0,1,10,false,0,true,false, bfd_elf_generic_reloc,"R_SPARC_OLO10",false,0,0x000003ff,false),
109 HOWTO(R_SPARC_HH22, 42,2,22,false,0,true, false, bfd_elf_generic_reloc,"R_SPARC_HH22", false,0,0x003fffff,false),
110 HOWTO(R_SPARC_HM10, 32,1,10,false,0,true,false, bfd_elf_generic_reloc,"R_SPARC_HM10", false,0,0x000003ff,false),
111 HOWTO(R_SPARC_LM22, 10,2,22,false,0,true,false, bfd_elf_generic_reloc,"R_SPARC_LM22", false,0,0x003fffff,false),
112 HOWTO(R_SPARC_PC_HH22,42,2,22, true,0,true, false, bfd_elf_generic_reloc,"R_SPARC_HH22", false,0,0x003fffff,false),
113 HOWTO(R_SPARC_PC_HM10,32,1,10, true,0,true,false, bfd_elf_generic_reloc,"R_SPARC_HM10", false,0,0x000003ff,false),
114 HOWTO(R_SPARC_PC_LM22,10,2,22,true, 0,true,false, bfd_elf_generic_reloc,"R_SPARC_LM22", false,0,0x003fffff,false),
115 HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,false, true,bfd_elf_generic_reloc,"R_SPARC_WDISP16",false,0,0,false),
116 HOWTO(R_SPARC_WDISP19, 2,2,22,true, 0,false, true, bfd_elf_generic_reloc,"R_SPARC_WDISP19",false,0,0x0007ffff,false),
117 HOWTO(R_SPARC_GLOB_JMP,0,0,00,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_GLOB_DAT",false,0,0x00000000,false),
118 HOWTO(R_SPARC_LO7, 0,1, 7,false,0,false,false,bfd_elf_generic_reloc,"R_SPARC_LO7", false,0,0x0000007f,false),
789776d7
KR		 119};
120
121struct elf_reloc_map {
122 unsigned char bfd_reloc_val;
123 unsigned char elf_reloc_val;
124};
125
126static CONST struct elf_reloc_map sparc_reloc_map[] =
127{
128 { BFD_RELOC_NONE, R_SPARC_NONE, },
129 { BFD_RELOC_16, R_SPARC_16, },
130 { BFD_RELOC_8, R_SPARC_8 },
131 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
132 { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */
133 { BFD_RELOC_32, R_SPARC_32 },
134 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
135 { BFD_RELOC_HI22, R_SPARC_HI22 },
136 { BFD_RELOC_LO10, R_SPARC_LO10, },
137 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
138 { BFD_RELOC_SPARC22, R_SPARC_22 },
139 { BFD_RELOC_SPARC13, R_SPARC_13 },
140 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
141 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
142 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
143 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
144 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
145 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
146 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
147 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
148 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
149 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
150 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
789776d7
KR		 151/* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
152 { BFD_RELOC_SPARC_10, R_SPARC_10 },
153 { BFD_RELOC_SPARC_11, R_SPARC_11 },
154 { BFD_RELOC_SPARC_64, R_SPARC_64 },
155 { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
156 { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
157 { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
158 { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
159 { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
160 { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
161 { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
162 { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
163 { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
164 { BFD_RELOC_SPARC_GLOB_JMP, R_SPARC_GLOB_JMP },
165 { BFD_RELOC_SPARC_LO7, R_SPARC_LO7 },
166};
167
168static CONST struct reloc_howto_struct *
169DEFUN (bfd_elf64_bfd_reloc_type_lookup, (abfd, code),
170 bfd *abfd AND
171 bfd_reloc_code_real_type code)
172{
173 int i;
174 for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
175 {
176 if (sparc_reloc_map[i].bfd_reloc_val == code)
177 return &elf_sparc_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
178 }
179 return 0;
180}
181
182static void
183DEFUN (elf_info_to_howto, (abfd, cache_ptr, dst),
184 bfd *abfd AND
185 arelent *cache_ptr AND
186 Elf64_Internal_Rela *dst)
187{
188 BFD_ASSERT (ELF64_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max);
189 cache_ptr->howto = &elf_sparc_howto_table[ELF64_R_TYPE(dst->r_info)];
190}
191
192#define TARGET_BIG_SYM bfd_elf64_sparc_vec
193#define TARGET_BIG_NAME "elf64-sparc"
194#define ELF_ARCH bfd_arch_sparc
195
196#include "elf64-target.h"
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