1 /* SPARC-specific support for 64-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3 2003, 2004 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #include "opcode/sparc.h"
27 /* This is defined if one wants to build upward compatible binaries
28 with the original sparc64-elf toolchain. The support is kept in for
29 now but is turned off by default. dje 970930 */
30 /*#define SPARC64_OLD_RELOCS*/
32 #include "elf/sparc.h"
34 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
35 #define MINUS_ONE (~ (bfd_vma) 0)
37 static struct bfd_link_hash_table
* sparc64_elf_bfd_link_hash_table_create
39 static bfd_reloc_status_type init_insn_reloc
40 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*,
41 bfd
*, bfd_vma
*, bfd_vma
*));
42 static reloc_howto_type
*sparc64_elf_reloc_type_lookup
43 PARAMS ((bfd
*, bfd_reloc_code_real_type
));
44 static void sparc64_elf_info_to_howto
45 PARAMS ((bfd
*, arelent
*, Elf_Internal_Rela
*));
47 static void sparc64_elf_build_plt
48 PARAMS ((bfd
*, unsigned char *, int));
49 static bfd_vma sparc64_elf_plt_entry_offset
51 static bfd_vma sparc64_elf_plt_ptr_offset
52 PARAMS ((bfd_vma
, bfd_vma
));
54 static bfd_boolean sparc64_elf_check_relocs
55 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*sec
,
56 const Elf_Internal_Rela
*));
57 static bfd_boolean sparc64_elf_adjust_dynamic_symbol
58 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
59 static bfd_boolean sparc64_elf_omit_section_dynsym
60 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*));
61 static bfd_boolean sparc64_elf_size_dynamic_sections
62 PARAMS ((bfd
*, struct bfd_link_info
*));
63 static int sparc64_elf_get_symbol_type
64 PARAMS (( Elf_Internal_Sym
*, int));
65 static bfd_boolean sparc64_elf_add_symbol_hook
66 PARAMS ((bfd
*, struct bfd_link_info
*, Elf_Internal_Sym
*,
67 const char **, flagword
*, asection
**, bfd_vma
*));
68 static bfd_boolean sparc64_elf_output_arch_syms
69 PARAMS ((bfd
*, struct bfd_link_info
*, PTR
,
70 bfd_boolean (*) (PTR
, const char *, Elf_Internal_Sym
*,
71 asection
*, struct elf_link_hash_entry
*)));
72 static void sparc64_elf_symbol_processing
73 PARAMS ((bfd
*, asymbol
*));
75 static bfd_boolean sparc64_elf_merge_private_bfd_data
76 PARAMS ((bfd
*, bfd
*));
78 static bfd_boolean sparc64_elf_fake_sections
79 PARAMS ((bfd
*, Elf_Internal_Shdr
*, asection
*));
81 static const char *sparc64_elf_print_symbol_all
82 PARAMS ((bfd
*, PTR
, asymbol
*));
83 static bfd_boolean sparc64_elf_new_section_hook
84 PARAMS ((bfd
*, asection
*));
85 static bfd_boolean sparc64_elf_relax_section
86 PARAMS ((bfd
*, asection
*, struct bfd_link_info
*, bfd_boolean
*));
87 static bfd_boolean sparc64_elf_relocate_section
88 PARAMS ((bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
89 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**));
90 static bfd_boolean sparc64_elf_finish_dynamic_symbol
91 PARAMS ((bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
93 static bfd_boolean sparc64_elf_finish_dynamic_sections
94 PARAMS ((bfd
*, struct bfd_link_info
*));
95 static bfd_boolean sparc64_elf_object_p
PARAMS ((bfd
*));
96 static long sparc64_elf_get_reloc_upper_bound
PARAMS ((bfd
*, asection
*));
97 static long sparc64_elf_get_dynamic_reloc_upper_bound
PARAMS ((bfd
*));
98 static bfd_boolean sparc64_elf_slurp_one_reloc_table
99 PARAMS ((bfd
*, asection
*, Elf_Internal_Shdr
*, asymbol
**, bfd_boolean
));
100 static bfd_boolean sparc64_elf_slurp_reloc_table
101 PARAMS ((bfd
*, asection
*, asymbol
**, bfd_boolean
));
102 static long sparc64_elf_canonicalize_reloc
103 PARAMS ((bfd
*, asection
*, arelent
**, asymbol
**));
104 static long sparc64_elf_canonicalize_dynamic_reloc
105 PARAMS ((bfd
*, arelent
**, asymbol
**));
106 static void sparc64_elf_write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
107 static enum elf_reloc_type_class sparc64_elf_reloc_type_class
108 PARAMS ((const Elf_Internal_Rela
*));
110 /* The relocation "howto" table. */
112 static bfd_reloc_status_type sparc_elf_notsup_reloc
113 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
114 static bfd_reloc_status_type sparc_elf_wdisp16_reloc
115 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
116 static bfd_reloc_status_type sparc_elf_hix22_reloc
117 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
118 static bfd_reloc_status_type sparc_elf_lox10_reloc
119 PARAMS ((bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **));
121 static reloc_howto_type sparc64_elf_howto_table
[] =
123 HOWTO(R_SPARC_NONE
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
124 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
125 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
126 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
127 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
128 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
129 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
130 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
131 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
132 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
133 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
134 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
135 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
136 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
137 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
138 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
139 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
140 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
141 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
142 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
143 HOWTO(R_SPARC_GLOB_DAT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GLOB_DAT",FALSE
,0,0x00000000,TRUE
),
144 HOWTO(R_SPARC_JMP_SLOT
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_JMP_SLOT",FALSE
,0,0x00000000,TRUE
),
145 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
146 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
147 #ifndef SPARC64_OLD_RELOCS
148 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
149 /* These aren't implemented yet. */
150 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
151 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
152 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
153 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
154 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
156 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
157 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
158 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
159 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
160 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
161 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
162 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
163 HOWTO(R_SPARC_PC_HH22
, 42,2,22,TRUE
, 0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_PC_HH22", FALSE
,0,0x003fffff,TRUE
),
164 HOWTO(R_SPARC_PC_HM10
, 32,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_HM10", FALSE
,0,0x000003ff,TRUE
),
165 HOWTO(R_SPARC_PC_LM22
, 10,2,22,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC_LM22", FALSE
,0,0x003fffff,TRUE
),
166 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
167 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
168 HOWTO(R_SPARC_UNUSED_42
, 0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_UNUSED_42",FALSE
,0,0x00000000,TRUE
),
169 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
170 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
171 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
172 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
173 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
174 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
175 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
176 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
177 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
178 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
179 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
180 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
181 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
182 HOWTO(R_SPARC_TLS_GD_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_HI22",FALSE
,0,0x003fffff,TRUE
),
183 HOWTO(R_SPARC_TLS_GD_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_LO10",FALSE
,0,0x000003ff,TRUE
),
184 HOWTO(R_SPARC_TLS_GD_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_ADD",FALSE
,0,0x00000000,TRUE
),
185 HOWTO(R_SPARC_TLS_GD_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_GD_CALL",FALSE
,0,0x3fffffff,TRUE
),
186 HOWTO(R_SPARC_TLS_LDM_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_HI22",FALSE
,0,0x003fffff,TRUE
),
187 HOWTO(R_SPARC_TLS_LDM_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_LO10",FALSE
,0,0x000003ff,TRUE
),
188 HOWTO(R_SPARC_TLS_LDM_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_ADD",FALSE
,0,0x00000000,TRUE
),
189 HOWTO(R_SPARC_TLS_LDM_CALL
,2,2,30,TRUE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDM_CALL",FALSE
,0,0x3fffffff,TRUE
),
190 HOWTO(R_SPARC_TLS_LDO_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
,"R_SPARC_TLS_LDO_HIX22",FALSE
,0,0x003fffff, FALSE
),
191 HOWTO(R_SPARC_TLS_LDO_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LDO_LOX10",FALSE
,0,0x000003ff, FALSE
),
192 HOWTO(R_SPARC_TLS_LDO_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_LDO_ADD",FALSE
,0,0x00000000,TRUE
),
193 HOWTO(R_SPARC_TLS_IE_HI22
,10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_HI22",FALSE
,0,0x003fffff,TRUE
),
194 HOWTO(R_SPARC_TLS_IE_LO10
,0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LO10",FALSE
,0,0x000003ff,TRUE
),
195 HOWTO(R_SPARC_TLS_IE_LD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LD",FALSE
,0,0x00000000,TRUE
),
196 HOWTO(R_SPARC_TLS_IE_LDX
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_LDX",FALSE
,0,0x00000000,TRUE
),
197 HOWTO(R_SPARC_TLS_IE_ADD
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_IE_ADD",FALSE
,0,0x00000000,TRUE
),
198 HOWTO(R_SPARC_TLS_LE_HIX22
,0,2,0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_TLS_LE_HIX22",FALSE
,0,0x003fffff, FALSE
),
199 HOWTO(R_SPARC_TLS_LE_LOX10
,0,2,0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_TLS_LE_LOX10",FALSE
,0,0x000003ff, FALSE
),
200 HOWTO(R_SPARC_TLS_DTPMOD32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD32",FALSE
,0,0x00000000,TRUE
),
201 HOWTO(R_SPARC_TLS_DTPMOD64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_DTPMOD64",FALSE
,0,0x00000000,TRUE
),
202 HOWTO(R_SPARC_TLS_DTPOFF32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF32",FALSE
,0,0xffffffff,TRUE
),
203 HOWTO(R_SPARC_TLS_DTPOFF64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_TLS_DTPOFF64",FALSE
,0,MINUS_ONE
,TRUE
),
204 HOWTO(R_SPARC_TLS_TPOFF32
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF32",FALSE
,0,0x00000000,TRUE
),
205 HOWTO(R_SPARC_TLS_TPOFF64
,0,0, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_TLS_TPOFF64",FALSE
,0,0x00000000,TRUE
)
208 struct elf_reloc_map
{
209 bfd_reloc_code_real_type bfd_reloc_val
;
210 unsigned char elf_reloc_val
;
213 static const struct elf_reloc_map sparc_reloc_map
[] =
215 { BFD_RELOC_NONE
, R_SPARC_NONE
, },
216 { BFD_RELOC_16
, R_SPARC_16
, },
217 { BFD_RELOC_16_PCREL
, R_SPARC_DISP16
},
218 { BFD_RELOC_8
, R_SPARC_8
},
219 { BFD_RELOC_8_PCREL
, R_SPARC_DISP8
},
220 { BFD_RELOC_CTOR
, R_SPARC_64
},
221 { BFD_RELOC_32
, R_SPARC_32
},
222 { BFD_RELOC_32_PCREL
, R_SPARC_DISP32
},
223 { BFD_RELOC_HI22
, R_SPARC_HI22
},
224 { BFD_RELOC_LO10
, R_SPARC_LO10
, },
225 { BFD_RELOC_32_PCREL_S2
, R_SPARC_WDISP30
},
226 { BFD_RELOC_64_PCREL
, R_SPARC_DISP64
},
227 { BFD_RELOC_SPARC22
, R_SPARC_22
},
228 { BFD_RELOC_SPARC13
, R_SPARC_13
},
229 { BFD_RELOC_SPARC_GOT10
, R_SPARC_GOT10
},
230 { BFD_RELOC_SPARC_GOT13
, R_SPARC_GOT13
},
231 { BFD_RELOC_SPARC_GOT22
, R_SPARC_GOT22
},
232 { BFD_RELOC_SPARC_PC10
, R_SPARC_PC10
},
233 { BFD_RELOC_SPARC_PC22
, R_SPARC_PC22
},
234 { BFD_RELOC_SPARC_WPLT30
, R_SPARC_WPLT30
},
235 { BFD_RELOC_SPARC_COPY
, R_SPARC_COPY
},
236 { BFD_RELOC_SPARC_GLOB_DAT
, R_SPARC_GLOB_DAT
},
237 { BFD_RELOC_SPARC_JMP_SLOT
, R_SPARC_JMP_SLOT
},
238 { BFD_RELOC_SPARC_RELATIVE
, R_SPARC_RELATIVE
},
239 { BFD_RELOC_SPARC_WDISP22
, R_SPARC_WDISP22
},
240 { BFD_RELOC_SPARC_UA16
, R_SPARC_UA16
},
241 { BFD_RELOC_SPARC_UA32
, R_SPARC_UA32
},
242 { BFD_RELOC_SPARC_UA64
, R_SPARC_UA64
},
243 { BFD_RELOC_SPARC_10
, R_SPARC_10
},
244 { BFD_RELOC_SPARC_11
, R_SPARC_11
},
245 { BFD_RELOC_SPARC_64
, R_SPARC_64
},
246 { BFD_RELOC_SPARC_OLO10
, R_SPARC_OLO10
},
247 { BFD_RELOC_SPARC_HH22
, R_SPARC_HH22
},
248 { BFD_RELOC_SPARC_HM10
, R_SPARC_HM10
},
249 { BFD_RELOC_SPARC_LM22
, R_SPARC_LM22
},
250 { BFD_RELOC_SPARC_PC_HH22
, R_SPARC_PC_HH22
},
251 { BFD_RELOC_SPARC_PC_HM10
, R_SPARC_PC_HM10
},
252 { BFD_RELOC_SPARC_PC_LM22
, R_SPARC_PC_LM22
},
253 { BFD_RELOC_SPARC_WDISP16
, R_SPARC_WDISP16
},
254 { BFD_RELOC_SPARC_WDISP19
, R_SPARC_WDISP19
},
255 { BFD_RELOC_SPARC_7
, R_SPARC_7
},
256 { BFD_RELOC_SPARC_5
, R_SPARC_5
},
257 { BFD_RELOC_SPARC_6
, R_SPARC_6
},
258 { BFD_RELOC_SPARC_DISP64
, R_SPARC_DISP64
},
259 { BFD_RELOC_SPARC_TLS_GD_HI22
, R_SPARC_TLS_GD_HI22
},
260 { BFD_RELOC_SPARC_TLS_GD_LO10
, R_SPARC_TLS_GD_LO10
},
261 { BFD_RELOC_SPARC_TLS_GD_ADD
, R_SPARC_TLS_GD_ADD
},
262 { BFD_RELOC_SPARC_TLS_GD_CALL
, R_SPARC_TLS_GD_CALL
},
263 { BFD_RELOC_SPARC_TLS_LDM_HI22
, R_SPARC_TLS_LDM_HI22
},
264 { BFD_RELOC_SPARC_TLS_LDM_LO10
, R_SPARC_TLS_LDM_LO10
},
265 { BFD_RELOC_SPARC_TLS_LDM_ADD
, R_SPARC_TLS_LDM_ADD
},
266 { BFD_RELOC_SPARC_TLS_LDM_CALL
, R_SPARC_TLS_LDM_CALL
},
267 { BFD_RELOC_SPARC_TLS_LDO_HIX22
, R_SPARC_TLS_LDO_HIX22
},
268 { BFD_RELOC_SPARC_TLS_LDO_LOX10
, R_SPARC_TLS_LDO_LOX10
},
269 { BFD_RELOC_SPARC_TLS_LDO_ADD
, R_SPARC_TLS_LDO_ADD
},
270 { BFD_RELOC_SPARC_TLS_IE_HI22
, R_SPARC_TLS_IE_HI22
},
271 { BFD_RELOC_SPARC_TLS_IE_LO10
, R_SPARC_TLS_IE_LO10
},
272 { BFD_RELOC_SPARC_TLS_IE_LD
, R_SPARC_TLS_IE_LD
},
273 { BFD_RELOC_SPARC_TLS_IE_LDX
, R_SPARC_TLS_IE_LDX
},
274 { BFD_RELOC_SPARC_TLS_IE_ADD
, R_SPARC_TLS_IE_ADD
},
275 { BFD_RELOC_SPARC_TLS_LE_HIX22
, R_SPARC_TLS_LE_HIX22
},
276 { BFD_RELOC_SPARC_TLS_LE_LOX10
, R_SPARC_TLS_LE_LOX10
},
277 { BFD_RELOC_SPARC_TLS_DTPMOD32
, R_SPARC_TLS_DTPMOD32
},
278 { BFD_RELOC_SPARC_TLS_DTPMOD64
, R_SPARC_TLS_DTPMOD64
},
279 { BFD_RELOC_SPARC_TLS_DTPOFF32
, R_SPARC_TLS_DTPOFF32
},
280 { BFD_RELOC_SPARC_TLS_DTPOFF64
, R_SPARC_TLS_DTPOFF64
},
281 { BFD_RELOC_SPARC_TLS_TPOFF32
, R_SPARC_TLS_TPOFF32
},
282 { BFD_RELOC_SPARC_TLS_TPOFF64
, R_SPARC_TLS_TPOFF64
},
283 #ifndef SPARC64_OLD_RELOCS
284 { BFD_RELOC_SPARC_PLT32
, R_SPARC_PLT32
},
286 { BFD_RELOC_SPARC_PLT64
, R_SPARC_PLT64
},
287 { BFD_RELOC_SPARC_HIX22
, R_SPARC_HIX22
},
288 { BFD_RELOC_SPARC_LOX10
, R_SPARC_LOX10
},
289 { BFD_RELOC_SPARC_H44
, R_SPARC_H44
},
290 { BFD_RELOC_SPARC_M44
, R_SPARC_M44
},
291 { BFD_RELOC_SPARC_L44
, R_SPARC_L44
},
292 { BFD_RELOC_SPARC_REGISTER
, R_SPARC_REGISTER
}
295 static reloc_howto_type
*
296 sparc64_elf_reloc_type_lookup (abfd
, code
)
297 bfd
*abfd ATTRIBUTE_UNUSED
;
298 bfd_reloc_code_real_type code
;
301 for (i
= 0; i
< sizeof (sparc_reloc_map
) / sizeof (struct elf_reloc_map
); i
++)
303 if (sparc_reloc_map
[i
].bfd_reloc_val
== code
)
304 return &sparc64_elf_howto_table
[(int) sparc_reloc_map
[i
].elf_reloc_val
];
310 sparc64_elf_info_to_howto (abfd
, cache_ptr
, dst
)
311 bfd
*abfd ATTRIBUTE_UNUSED
;
313 Elf_Internal_Rela
*dst
;
315 BFD_ASSERT (ELF64_R_TYPE_ID (dst
->r_info
) < (unsigned int) R_SPARC_max_std
);
316 cache_ptr
->howto
= &sparc64_elf_howto_table
[ELF64_R_TYPE_ID (dst
->r_info
)];
319 struct sparc64_elf_section_data
321 struct bfd_elf_section_data elf
;
322 unsigned int do_relax
, reloc_count
;
325 #define sec_do_relax(sec) \
326 ((struct sparc64_elf_section_data *) elf_section_data (sec))->do_relax
327 #define canon_reloc_count(sec) \
328 ((struct sparc64_elf_section_data *) elf_section_data (sec))->reloc_count
330 /* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA
331 section can represent up to two relocs, we must tell the user to allocate
335 sparc64_elf_get_reloc_upper_bound (abfd
, sec
)
336 bfd
*abfd ATTRIBUTE_UNUSED
;
339 return (sec
->reloc_count
* 2 + 1) * sizeof (arelent
*);
343 sparc64_elf_get_dynamic_reloc_upper_bound (abfd
)
346 return _bfd_elf_get_dynamic_reloc_upper_bound (abfd
) * 2;
349 /* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of
350 them. We cannot use generic elf routines for this, because R_SPARC_OLO10
351 has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations
352 for the same location, R_SPARC_LO10 and R_SPARC_13. */
355 sparc64_elf_slurp_one_reloc_table (abfd
, asect
, rel_hdr
, symbols
, dynamic
)
358 Elf_Internal_Shdr
*rel_hdr
;
362 PTR allocated
= NULL
;
363 bfd_byte
*native_relocs
;
370 allocated
= (PTR
) bfd_malloc (rel_hdr
->sh_size
);
371 if (allocated
== NULL
)
374 if (bfd_seek (abfd
, rel_hdr
->sh_offset
, SEEK_SET
) != 0
375 || bfd_bread (allocated
, rel_hdr
->sh_size
, abfd
) != rel_hdr
->sh_size
)
378 native_relocs
= (bfd_byte
*) allocated
;
380 relents
= asect
->relocation
+ canon_reloc_count (asect
);
382 entsize
= rel_hdr
->sh_entsize
;
383 BFD_ASSERT (entsize
== sizeof (Elf64_External_Rela
));
385 count
= rel_hdr
->sh_size
/ entsize
;
387 for (i
= 0, relent
= relents
; i
< count
;
388 i
++, relent
++, native_relocs
+= entsize
)
390 Elf_Internal_Rela rela
;
392 bfd_elf64_swap_reloca_in (abfd
, native_relocs
, &rela
);
394 /* The address of an ELF reloc is section relative for an object
395 file, and absolute for an executable file or shared library.
396 The address of a normal BFD reloc is always section relative,
397 and the address of a dynamic reloc is absolute.. */
398 if ((abfd
->flags
& (EXEC_P
| DYNAMIC
)) == 0 || dynamic
)
399 relent
->address
= rela
.r_offset
;
401 relent
->address
= rela
.r_offset
- asect
->vma
;
403 if (ELF64_R_SYM (rela
.r_info
) == 0)
404 relent
->sym_ptr_ptr
= bfd_abs_section_ptr
->symbol_ptr_ptr
;
409 ps
= symbols
+ ELF64_R_SYM (rela
.r_info
) - 1;
412 /* Canonicalize ELF section symbols. FIXME: Why? */
413 if ((s
->flags
& BSF_SECTION_SYM
) == 0)
414 relent
->sym_ptr_ptr
= ps
;
416 relent
->sym_ptr_ptr
= s
->section
->symbol_ptr_ptr
;
419 relent
->addend
= rela
.r_addend
;
421 BFD_ASSERT (ELF64_R_TYPE_ID (rela
.r_info
) < (unsigned int) R_SPARC_max_std
);
422 if (ELF64_R_TYPE_ID (rela
.r_info
) == R_SPARC_OLO10
)
424 relent
->howto
= &sparc64_elf_howto_table
[R_SPARC_LO10
];
425 relent
[1].address
= relent
->address
;
427 relent
->sym_ptr_ptr
= bfd_abs_section_ptr
->symbol_ptr_ptr
;
428 relent
->addend
= ELF64_R_TYPE_DATA (rela
.r_info
);
429 relent
->howto
= &sparc64_elf_howto_table
[R_SPARC_13
];
432 relent
->howto
= &sparc64_elf_howto_table
[ELF64_R_TYPE_ID (rela
.r_info
)];
435 canon_reloc_count (asect
) += relent
- relents
;
437 if (allocated
!= NULL
)
443 if (allocated
!= NULL
)
448 /* Read in and swap the external relocs. */
451 sparc64_elf_slurp_reloc_table (abfd
, asect
, symbols
, dynamic
)
457 struct bfd_elf_section_data
* const d
= elf_section_data (asect
);
458 Elf_Internal_Shdr
*rel_hdr
;
459 Elf_Internal_Shdr
*rel_hdr2
;
462 if (asect
->relocation
!= NULL
)
467 if ((asect
->flags
& SEC_RELOC
) == 0
468 || asect
->reloc_count
== 0)
471 rel_hdr
= &d
->rel_hdr
;
472 rel_hdr2
= d
->rel_hdr2
;
474 BFD_ASSERT (asect
->rel_filepos
== rel_hdr
->sh_offset
475 || (rel_hdr2
&& asect
->rel_filepos
== rel_hdr2
->sh_offset
));
479 /* Note that ASECT->RELOC_COUNT tends not to be accurate in this
480 case because relocations against this section may use the
481 dynamic symbol table, and in that case bfd_section_from_shdr
482 in elf.c does not update the RELOC_COUNT. */
483 if (asect
->size
== 0)
486 rel_hdr
= &d
->this_hdr
;
487 asect
->reloc_count
= NUM_SHDR_ENTRIES (rel_hdr
);
491 amt
= asect
->reloc_count
;
492 amt
*= 2 * sizeof (arelent
);
493 asect
->relocation
= (arelent
*) bfd_alloc (abfd
, amt
);
494 if (asect
->relocation
== NULL
)
497 /* The sparc64_elf_slurp_one_reloc_table routine increments
498 canon_reloc_count. */
499 canon_reloc_count (asect
) = 0;
501 if (!sparc64_elf_slurp_one_reloc_table (abfd
, asect
, rel_hdr
, symbols
,
506 && !sparc64_elf_slurp_one_reloc_table (abfd
, asect
, rel_hdr2
, symbols
,
513 /* Canonicalize the relocs. */
516 sparc64_elf_canonicalize_reloc (abfd
, section
, relptr
, symbols
)
524 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
526 if (! bed
->s
->slurp_reloc_table (abfd
, section
, symbols
, FALSE
))
529 tblptr
= section
->relocation
;
530 for (i
= 0; i
< canon_reloc_count (section
); i
++)
531 *relptr
++ = tblptr
++;
535 return canon_reloc_count (section
);
539 /* Canonicalize the dynamic relocation entries. Note that we return
540 the dynamic relocations as a single block, although they are
541 actually associated with particular sections; the interface, which
542 was designed for SunOS style shared libraries, expects that there
543 is only one set of dynamic relocs. Any section that was actually
544 installed in the BFD, and has type SHT_REL or SHT_RELA, and uses
545 the dynamic symbol table, is considered to be a dynamic reloc
549 sparc64_elf_canonicalize_dynamic_reloc (abfd
, storage
, syms
)
557 if (elf_dynsymtab (abfd
) == 0)
559 bfd_set_error (bfd_error_invalid_operation
);
564 for (s
= abfd
->sections
; s
!= NULL
; s
= s
->next
)
566 if (elf_section_data (s
)->this_hdr
.sh_link
== elf_dynsymtab (abfd
)
567 && (elf_section_data (s
)->this_hdr
.sh_type
== SHT_RELA
))
572 if (! sparc64_elf_slurp_reloc_table (abfd
, s
, syms
, TRUE
))
574 count
= canon_reloc_count (s
);
576 for (i
= 0; i
< count
; i
++)
587 /* Write out the relocs. */
590 sparc64_elf_write_relocs (abfd
, sec
, data
)
595 bfd_boolean
*failedp
= (bfd_boolean
*) data
;
596 Elf_Internal_Shdr
*rela_hdr
;
597 Elf64_External_Rela
*outbound_relocas
, *src_rela
;
598 unsigned int idx
, count
;
599 asymbol
*last_sym
= 0;
600 int last_sym_idx
= 0;
602 /* If we have already failed, don't do anything. */
606 if ((sec
->flags
& SEC_RELOC
) == 0)
609 /* The linker backend writes the relocs out itself, and sets the
610 reloc_count field to zero to inhibit writing them here. Also,
611 sometimes the SEC_RELOC flag gets set even when there aren't any
613 if (sec
->reloc_count
== 0)
616 /* We can combine two relocs that refer to the same address
617 into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the
618 latter is R_SPARC_13 with no associated symbol. */
620 for (idx
= 0; idx
< sec
->reloc_count
; idx
++)
626 addr
= sec
->orelocation
[idx
]->address
;
627 if (sec
->orelocation
[idx
]->howto
->type
== R_SPARC_LO10
628 && idx
< sec
->reloc_count
- 1)
630 arelent
*r
= sec
->orelocation
[idx
+ 1];
632 if (r
->howto
->type
== R_SPARC_13
633 && r
->address
== addr
634 && bfd_is_abs_section ((*r
->sym_ptr_ptr
)->section
)
635 && (*r
->sym_ptr_ptr
)->value
== 0)
640 rela_hdr
= &elf_section_data (sec
)->rel_hdr
;
642 rela_hdr
->sh_size
= rela_hdr
->sh_entsize
* count
;
643 rela_hdr
->contents
= (PTR
) bfd_alloc (abfd
, rela_hdr
->sh_size
);
644 if (rela_hdr
->contents
== NULL
)
650 /* Figure out whether the relocations are RELA or REL relocations. */
651 if (rela_hdr
->sh_type
!= SHT_RELA
)
654 /* orelocation has the data, reloc_count has the count... */
655 outbound_relocas
= (Elf64_External_Rela
*) rela_hdr
->contents
;
656 src_rela
= outbound_relocas
;
658 for (idx
= 0; idx
< sec
->reloc_count
; idx
++)
660 Elf_Internal_Rela dst_rela
;
665 ptr
= sec
->orelocation
[idx
];
667 /* The address of an ELF reloc is section relative for an object
668 file, and absolute for an executable file or shared library.
669 The address of a BFD reloc is always section relative. */
670 if ((abfd
->flags
& (EXEC_P
| DYNAMIC
)) == 0)
671 dst_rela
.r_offset
= ptr
->address
;
673 dst_rela
.r_offset
= ptr
->address
+ sec
->vma
;
675 sym
= *ptr
->sym_ptr_ptr
;
678 else if (bfd_is_abs_section (sym
->section
) && sym
->value
== 0)
683 n
= _bfd_elf_symbol_from_bfd_symbol (abfd
, &sym
);
692 if ((*ptr
->sym_ptr_ptr
)->the_bfd
!= NULL
693 && (*ptr
->sym_ptr_ptr
)->the_bfd
->xvec
!= abfd
->xvec
694 && ! _bfd_elf_validate_reloc (abfd
, ptr
))
700 if (ptr
->howto
->type
== R_SPARC_LO10
701 && idx
< sec
->reloc_count
- 1)
703 arelent
*r
= sec
->orelocation
[idx
+ 1];
705 if (r
->howto
->type
== R_SPARC_13
706 && r
->address
== ptr
->address
707 && bfd_is_abs_section ((*r
->sym_ptr_ptr
)->section
)
708 && (*r
->sym_ptr_ptr
)->value
== 0)
712 = ELF64_R_INFO (n
, ELF64_R_TYPE_INFO (r
->addend
,
716 dst_rela
.r_info
= ELF64_R_INFO (n
, R_SPARC_LO10
);
719 dst_rela
.r_info
= ELF64_R_INFO (n
, ptr
->howto
->type
);
721 dst_rela
.r_addend
= ptr
->addend
;
722 bfd_elf64_swap_reloca_out (abfd
, &dst_rela
, (bfd_byte
*) src_rela
);
727 /* Sparc64 ELF linker hash table. */
729 struct sparc64_elf_app_reg
732 unsigned short shndx
;
737 struct sparc64_elf_link_hash_table
739 struct elf_link_hash_table root
;
741 struct sparc64_elf_app_reg app_regs
[4];
744 /* Get the Sparc64 ELF linker hash table from a link_info structure. */
746 #define sparc64_elf_hash_table(p) \
747 ((struct sparc64_elf_link_hash_table *) ((p)->hash))
749 /* Create a Sparc64 ELF linker hash table. */
751 static struct bfd_link_hash_table
*
752 sparc64_elf_bfd_link_hash_table_create (abfd
)
755 struct sparc64_elf_link_hash_table
*ret
;
756 bfd_size_type amt
= sizeof (struct sparc64_elf_link_hash_table
);
758 ret
= (struct sparc64_elf_link_hash_table
*) bfd_zmalloc (amt
);
759 if (ret
== (struct sparc64_elf_link_hash_table
*) NULL
)
762 if (! _bfd_elf_link_hash_table_init (&ret
->root
, abfd
,
763 _bfd_elf_link_hash_newfunc
))
769 return &ret
->root
.root
;
772 /* Utility for performing the standard initial work of an instruction
774 *PRELOCATION will contain the relocated item.
775 *PINSN will contain the instruction from the input stream.
776 If the result is `bfd_reloc_other' the caller can continue with
777 performing the relocation. Otherwise it must stop and return the
778 value to its caller. */
780 static bfd_reloc_status_type
781 init_insn_reloc (abfd
,
790 arelent
*reloc_entry
;
793 asection
*input_section
;
795 bfd_vma
*prelocation
;
799 reloc_howto_type
*howto
= reloc_entry
->howto
;
801 if (output_bfd
!= (bfd
*) NULL
802 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
803 && (! howto
->partial_inplace
804 || reloc_entry
->addend
== 0))
806 reloc_entry
->address
+= input_section
->output_offset
;
810 /* This works because partial_inplace is FALSE. */
811 if (output_bfd
!= NULL
)
812 return bfd_reloc_continue
;
814 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
815 return bfd_reloc_outofrange
;
817 relocation
= (symbol
->value
818 + symbol
->section
->output_section
->vma
819 + symbol
->section
->output_offset
);
820 relocation
+= reloc_entry
->addend
;
821 if (howto
->pc_relative
)
823 relocation
-= (input_section
->output_section
->vma
824 + input_section
->output_offset
);
825 relocation
-= reloc_entry
->address
;
828 *prelocation
= relocation
;
829 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
830 return bfd_reloc_other
;
833 /* For unsupported relocs. */
835 static bfd_reloc_status_type
836 sparc_elf_notsup_reloc (abfd
,
843 bfd
*abfd ATTRIBUTE_UNUSED
;
844 arelent
*reloc_entry ATTRIBUTE_UNUSED
;
845 asymbol
*symbol ATTRIBUTE_UNUSED
;
846 PTR data ATTRIBUTE_UNUSED
;
847 asection
*input_section ATTRIBUTE_UNUSED
;
848 bfd
*output_bfd ATTRIBUTE_UNUSED
;
849 char **error_message ATTRIBUTE_UNUSED
;
851 return bfd_reloc_notsupported
;
854 /* Handle the WDISP16 reloc. */
856 static bfd_reloc_status_type
857 sparc_elf_wdisp16_reloc (abfd
, reloc_entry
, symbol
, data
, input_section
,
858 output_bfd
, error_message
)
860 arelent
*reloc_entry
;
863 asection
*input_section
;
865 char **error_message ATTRIBUTE_UNUSED
;
869 bfd_reloc_status_type status
;
871 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
872 input_section
, output_bfd
, &relocation
, &insn
);
873 if (status
!= bfd_reloc_other
)
876 insn
&= ~ (bfd_vma
) 0x303fff;
877 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
878 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
880 if ((bfd_signed_vma
) relocation
< - 0x40000
881 || (bfd_signed_vma
) relocation
> 0x3ffff)
882 return bfd_reloc_overflow
;
887 /* Handle the HIX22 reloc. */
889 static bfd_reloc_status_type
890 sparc_elf_hix22_reloc (abfd
,
898 arelent
*reloc_entry
;
901 asection
*input_section
;
903 char **error_message ATTRIBUTE_UNUSED
;
907 bfd_reloc_status_type status
;
909 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
910 input_section
, output_bfd
, &relocation
, &insn
);
911 if (status
!= bfd_reloc_other
)
914 relocation
^= MINUS_ONE
;
915 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
916 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
918 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
919 return bfd_reloc_overflow
;
924 /* Handle the LOX10 reloc. */
926 static bfd_reloc_status_type
927 sparc_elf_lox10_reloc (abfd
,
935 arelent
*reloc_entry
;
938 asection
*input_section
;
940 char **error_message ATTRIBUTE_UNUSED
;
944 bfd_reloc_status_type status
;
946 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
947 input_section
, output_bfd
, &relocation
, &insn
);
948 if (status
!= bfd_reloc_other
)
951 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
952 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
959 /* Both the headers and the entries are icache aligned. */
960 #define PLT_ENTRY_SIZE 32
961 #define PLT_HEADER_SIZE (4 * PLT_ENTRY_SIZE)
962 #define LARGE_PLT_THRESHOLD 32768
963 #define GOT_RESERVED_ENTRIES 1
965 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
967 /* Fill in the .plt section. */
970 sparc64_elf_build_plt (output_bfd
, contents
, nentries
)
972 unsigned char *contents
;
975 const unsigned int nop
= 0x01000000;
978 /* The first four entries are reserved, and are initially undefined.
979 We fill them with `illtrap 0' to force ld.so to do something. */
981 for (i
= 0; i
< PLT_HEADER_SIZE
/4; ++i
)
982 bfd_put_32 (output_bfd
, (bfd_vma
) 0, contents
+i
*4);
984 /* The first 32768 entries are close enough to plt1 to get there via
985 a straight branch. */
987 for (i
= 4; i
< LARGE_PLT_THRESHOLD
&& i
< nentries
; ++i
)
989 unsigned char *entry
= contents
+ i
* PLT_ENTRY_SIZE
;
990 unsigned int sethi
, ba
;
992 /* sethi (. - plt0), %g1 */
993 sethi
= 0x03000000 | (i
* PLT_ENTRY_SIZE
);
995 /* ba,a,pt %xcc, plt1 */
996 ba
= 0x30680000 | (((contents
+PLT_ENTRY_SIZE
) - (entry
+4)) / 4 & 0x7ffff);
998 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
999 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
1000 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
1001 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
1002 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
1003 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
1004 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
1005 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
1008 /* Now the tricky bit. Entries 32768 and higher are grouped in blocks of
1009 160: 160 entries and 160 pointers. This is to separate code from data,
1010 which is much friendlier on the cache. */
1012 for (; i
< nentries
; i
+= 160)
1014 int block
= (i
+ 160 <= nentries
? 160 : nentries
- i
);
1015 for (j
= 0; j
< block
; ++j
)
1017 unsigned char *entry
, *ptr
;
1020 entry
= contents
+ i
*PLT_ENTRY_SIZE
+ j
*4*6;
1021 ptr
= contents
+ i
*PLT_ENTRY_SIZE
+ block
*4*6 + j
*8;
1023 /* ldx [%o7 + ptr - (entry+4)], %g1 */
1024 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
1032 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
1033 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
1034 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
1035 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
1036 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
1037 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
1039 bfd_put_64 (output_bfd
, (bfd_vma
) (contents
- (entry
+ 4)), ptr
);
1044 /* Return the offset of a particular plt entry within the .plt section. */
1047 sparc64_elf_plt_entry_offset (index
)
1052 if (index
< LARGE_PLT_THRESHOLD
)
1053 return index
* PLT_ENTRY_SIZE
;
1055 /* See above for details. */
1057 block
= (index
- LARGE_PLT_THRESHOLD
) / 160;
1058 ofs
= (index
- LARGE_PLT_THRESHOLD
) % 160;
1060 return (LARGE_PLT_THRESHOLD
+ block
* 160) * PLT_ENTRY_SIZE
+ ofs
* 6 * 4;
1064 sparc64_elf_plt_ptr_offset (index
, max
)
1068 bfd_vma block
, ofs
, last
;
1070 BFD_ASSERT(index
>= LARGE_PLT_THRESHOLD
);
1072 /* See above for details. */
1074 block
= (((index
- LARGE_PLT_THRESHOLD
) / 160) * 160) + LARGE_PLT_THRESHOLD
;
1075 ofs
= index
- block
;
1076 if (block
+ 160 > max
)
1077 last
= (max
- LARGE_PLT_THRESHOLD
) % 160;
1081 return (block
* PLT_ENTRY_SIZE
1086 /* Look through the relocs for a section during the first phase, and
1087 allocate space in the global offset table or procedure linkage
1091 sparc64_elf_check_relocs (abfd
, info
, sec
, relocs
)
1093 struct bfd_link_info
*info
;
1095 const Elf_Internal_Rela
*relocs
;
1098 Elf_Internal_Shdr
*symtab_hdr
;
1099 struct elf_link_hash_entry
**sym_hashes
;
1100 bfd_vma
*local_got_offsets
;
1101 const Elf_Internal_Rela
*rel
;
1102 const Elf_Internal_Rela
*rel_end
;
1107 if (info
->relocatable
|| !(sec
->flags
& SEC_ALLOC
))
1110 dynobj
= elf_hash_table (info
)->dynobj
;
1111 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
1112 sym_hashes
= elf_sym_hashes (abfd
);
1113 local_got_offsets
= elf_local_got_offsets (abfd
);
1119 rel_end
= relocs
+ NUM_SHDR_ENTRIES (& elf_section_data (sec
)->rel_hdr
);
1120 for (rel
= relocs
; rel
< rel_end
; rel
++)
1122 unsigned long r_symndx
;
1123 struct elf_link_hash_entry
*h
;
1125 r_symndx
= ELF64_R_SYM (rel
->r_info
);
1126 if (r_symndx
< symtab_hdr
->sh_info
)
1129 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1131 switch (ELF64_R_TYPE_ID (rel
->r_info
))
1136 /* This symbol requires a global offset table entry. */
1140 /* Create the .got section. */
1141 elf_hash_table (info
)->dynobj
= dynobj
= abfd
;
1142 if (! _bfd_elf_create_got_section (dynobj
, info
))
1148 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1149 BFD_ASSERT (sgot
!= NULL
);
1152 if (srelgot
== NULL
&& (h
!= NULL
|| info
->shared
))
1154 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
1155 if (srelgot
== NULL
)
1157 srelgot
= bfd_make_section (dynobj
, ".rela.got");
1159 || ! bfd_set_section_flags (dynobj
, srelgot
,
1164 | SEC_LINKER_CREATED
1166 || ! bfd_set_section_alignment (dynobj
, srelgot
, 3))
1173 if (h
->got
.offset
!= (bfd_vma
) -1)
1175 /* We have already allocated space in the .got. */
1178 h
->got
.offset
= sgot
->size
;
1180 /* Make sure this symbol is output as a dynamic symbol. */
1181 if (h
->dynindx
== -1)
1183 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1187 srelgot
->size
+= sizeof (Elf64_External_Rela
);
1191 /* This is a global offset table entry for a local
1193 if (local_got_offsets
== NULL
)
1196 register unsigned int i
;
1198 size
= symtab_hdr
->sh_info
;
1199 size
*= sizeof (bfd_vma
);
1200 local_got_offsets
= (bfd_vma
*) bfd_alloc (abfd
, size
);
1201 if (local_got_offsets
== NULL
)
1203 elf_local_got_offsets (abfd
) = local_got_offsets
;
1204 for (i
= 0; i
< symtab_hdr
->sh_info
; i
++)
1205 local_got_offsets
[i
] = (bfd_vma
) -1;
1207 if (local_got_offsets
[r_symndx
] != (bfd_vma
) -1)
1209 /* We have already allocated space in the .got. */
1212 local_got_offsets
[r_symndx
] = sgot
->size
;
1216 /* If we are generating a shared object, we need to
1217 output a R_SPARC_RELATIVE reloc so that the
1218 dynamic linker can adjust this GOT entry. */
1219 srelgot
->size
+= sizeof (Elf64_External_Rela
);
1226 /* Doesn't work for 64-bit -fPIC, since sethi/or builds
1227 unsigned numbers. If we permit ourselves to modify
1228 code so we get sethi/xor, this could work.
1229 Question: do we consider conditionally re-enabling
1230 this for -fpic, once we know about object code models? */
1231 /* If the .got section is more than 0x1000 bytes, we add
1232 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
1233 bit relocations have a greater chance of working. */
1234 if (sgot
->size
>= 0x1000
1235 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
1236 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
1241 case R_SPARC_WPLT30
:
1243 case R_SPARC_HIPLT22
:
1244 case R_SPARC_LOPLT10
:
1245 case R_SPARC_PCPLT32
:
1246 case R_SPARC_PCPLT22
:
1247 case R_SPARC_PCPLT10
:
1249 /* This symbol requires a procedure linkage table entry. We
1250 actually build the entry in adjust_dynamic_symbol,
1251 because this might be a case of linking PIC code without
1252 linking in any dynamic objects, in which case we don't
1253 need to generate a procedure linkage table after all. */
1257 /* It does not make sense to have a procedure linkage
1258 table entry for a local symbol. */
1259 bfd_set_error (bfd_error_bad_value
);
1263 /* Make sure this symbol is output as a dynamic symbol. */
1264 if (h
->dynindx
== -1)
1266 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1271 if (ELF64_R_TYPE_ID (rel
->r_info
) != R_SPARC_PLT32
1272 && ELF64_R_TYPE_ID (rel
->r_info
) != R_SPARC_PLT64
)
1277 case R_SPARC_PC_HH22
:
1278 case R_SPARC_PC_HM10
:
1279 case R_SPARC_PC_LM22
:
1281 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1285 case R_SPARC_DISP16
:
1286 case R_SPARC_DISP32
:
1287 case R_SPARC_DISP64
:
1288 case R_SPARC_WDISP30
:
1289 case R_SPARC_WDISP22
:
1290 case R_SPARC_WDISP19
:
1291 case R_SPARC_WDISP16
:
1320 /* When creating a shared object, we must copy these relocs
1321 into the output file. We create a reloc section in
1322 dynobj and make room for the reloc.
1324 But don't do this for debugging sections -- this shows up
1325 with DWARF2 -- first because they are not loaded, and
1326 second because DWARF sez the debug info is not to be
1327 biased by the load address. */
1328 if (info
->shared
&& (sec
->flags
& SEC_ALLOC
))
1334 name
= (bfd_elf_string_from_elf_section
1336 elf_elfheader (abfd
)->e_shstrndx
,
1337 elf_section_data (sec
)->rel_hdr
.sh_name
));
1341 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
1342 && strcmp (bfd_get_section_name (abfd
, sec
),
1345 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1350 sreloc
= bfd_make_section (dynobj
, name
);
1351 flags
= (SEC_HAS_CONTENTS
| SEC_READONLY
1352 | SEC_IN_MEMORY
| SEC_LINKER_CREATED
);
1353 if ((sec
->flags
& SEC_ALLOC
) != 0)
1354 flags
|= SEC_ALLOC
| SEC_LOAD
;
1356 || ! bfd_set_section_flags (dynobj
, sreloc
, flags
)
1357 || ! bfd_set_section_alignment (dynobj
, sreloc
, 3))
1360 if (sec
->flags
& SEC_READONLY
)
1361 info
->flags
|= DF_TEXTREL
;
1364 sreloc
->size
+= sizeof (Elf64_External_Rela
);
1368 case R_SPARC_REGISTER
:
1369 /* Nothing to do. */
1373 (*_bfd_error_handler
) (_("%B: check_relocs: unhandled reloc type %d"),
1374 abfd
, ELF64_R_TYPE_ID (rel
->r_info
));
1382 /* Hook called by the linker routine which adds symbols from an object
1383 file. We use it for STT_REGISTER symbols. */
1386 sparc64_elf_add_symbol_hook (abfd
, info
, sym
, namep
, flagsp
, secp
, valp
)
1388 struct bfd_link_info
*info
;
1389 Elf_Internal_Sym
*sym
;
1391 flagword
*flagsp ATTRIBUTE_UNUSED
;
1392 asection
**secp ATTRIBUTE_UNUSED
;
1393 bfd_vma
*valp ATTRIBUTE_UNUSED
;
1395 static const char *const stt_types
[] = { "NOTYPE", "OBJECT", "FUNCTION" };
1397 if (ELF_ST_TYPE (sym
->st_info
) == STT_REGISTER
)
1400 struct sparc64_elf_app_reg
*p
;
1402 reg
= (int)sym
->st_value
;
1405 case 2: reg
-= 2; break;
1406 case 6: reg
-= 4; break;
1408 (*_bfd_error_handler
)
1409 (_("%B: Only registers %%g[2367] can be declared using STT_REGISTER"),
1414 if (info
->hash
->creator
!= abfd
->xvec
1415 || (abfd
->flags
& DYNAMIC
) != 0)
1417 /* STT_REGISTER only works when linking an elf64_sparc object.
1418 If STT_REGISTER comes from a dynamic object, don't put it into
1419 the output bfd. The dynamic linker will recheck it. */
1424 p
= sparc64_elf_hash_table(info
)->app_regs
+ reg
;
1426 if (p
->name
!= NULL
&& strcmp (p
->name
, *namep
))
1428 (*_bfd_error_handler
)
1429 (_("Register %%g%d used incompatibly: %s in %B, previously %s in %B"),
1430 abfd
, p
->abfd
, (int) sym
->st_value
,
1431 **namep
? *namep
: "#scratch",
1432 *p
->name
? p
->name
: "#scratch");
1436 if (p
->name
== NULL
)
1440 struct elf_link_hash_entry
*h
;
1442 h
= (struct elf_link_hash_entry
*)
1443 bfd_link_hash_lookup (info
->hash
, *namep
, FALSE
, FALSE
, FALSE
);
1447 unsigned char type
= h
->type
;
1449 if (type
> STT_FUNC
)
1451 (*_bfd_error_handler
)
1452 (_("Symbol `%s' has differing types: REGISTER in %B, previously %s in %B"),
1453 abfd
, p
->abfd
, *namep
, stt_types
[type
]);
1457 p
->name
= bfd_hash_allocate (&info
->hash
->table
,
1458 strlen (*namep
) + 1);
1462 strcpy (p
->name
, *namep
);
1466 p
->bind
= ELF_ST_BIND (sym
->st_info
);
1468 p
->shndx
= sym
->st_shndx
;
1472 if (p
->bind
== STB_WEAK
1473 && ELF_ST_BIND (sym
->st_info
) == STB_GLOBAL
)
1475 p
->bind
= STB_GLOBAL
;
1482 else if (*namep
&& **namep
1483 && info
->hash
->creator
== abfd
->xvec
)
1486 struct sparc64_elf_app_reg
*p
;
1488 p
= sparc64_elf_hash_table(info
)->app_regs
;
1489 for (i
= 0; i
< 4; i
++, p
++)
1490 if (p
->name
!= NULL
&& ! strcmp (p
->name
, *namep
))
1492 unsigned char type
= ELF_ST_TYPE (sym
->st_info
);
1494 if (type
> STT_FUNC
)
1496 (*_bfd_error_handler
)
1497 (_("Symbol `%s' has differing types: %s in %B, previously REGISTER in %B"),
1498 abfd
, p
->abfd
, *namep
, stt_types
[type
]);
1505 /* This function takes care of emitting STT_REGISTER symbols
1506 which we cannot easily keep in the symbol hash table. */
1509 sparc64_elf_output_arch_syms (output_bfd
, info
, finfo
, func
)
1510 bfd
*output_bfd ATTRIBUTE_UNUSED
;
1511 struct bfd_link_info
*info
;
1514 PARAMS ((PTR
, const char *, Elf_Internal_Sym
*, asection
*,
1515 struct elf_link_hash_entry
*));
1518 struct sparc64_elf_app_reg
*app_regs
=
1519 sparc64_elf_hash_table(info
)->app_regs
;
1520 Elf_Internal_Sym sym
;
1522 /* We arranged in size_dynamic_sections to put the STT_REGISTER entries
1523 at the end of the dynlocal list, so they came at the end of the local
1524 symbols in the symtab. Except that they aren't STB_LOCAL, so we need
1525 to back up symtab->sh_info. */
1526 if (elf_hash_table (info
)->dynlocal
)
1528 bfd
* dynobj
= elf_hash_table (info
)->dynobj
;
1529 asection
*dynsymsec
= bfd_get_section_by_name (dynobj
, ".dynsym");
1530 struct elf_link_local_dynamic_entry
*e
;
1532 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
1533 if (e
->input_indx
== -1)
1537 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
1542 if (info
->strip
== strip_all
)
1545 for (reg
= 0; reg
< 4; reg
++)
1546 if (app_regs
[reg
].name
!= NULL
)
1548 if (info
->strip
== strip_some
1549 && bfd_hash_lookup (info
->keep_hash
,
1550 app_regs
[reg
].name
,
1551 FALSE
, FALSE
) == NULL
)
1554 sym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
1557 sym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
, STT_REGISTER
);
1558 sym
.st_shndx
= app_regs
[reg
].shndx
;
1559 if (! (*func
) (finfo
, app_regs
[reg
].name
, &sym
,
1560 sym
.st_shndx
== SHN_ABS
1561 ? bfd_abs_section_ptr
: bfd_und_section_ptr
,
1570 sparc64_elf_get_symbol_type (elf_sym
, type
)
1571 Elf_Internal_Sym
* elf_sym
;
1574 if (ELF_ST_TYPE (elf_sym
->st_info
) == STT_REGISTER
)
1575 return STT_REGISTER
;
1580 /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL
1581 even in SHN_UNDEF section. */
1584 sparc64_elf_symbol_processing (abfd
, asym
)
1585 bfd
*abfd ATTRIBUTE_UNUSED
;
1588 elf_symbol_type
*elfsym
;
1590 elfsym
= (elf_symbol_type
*) asym
;
1591 if (elfsym
->internal_elf_sym
.st_info
1592 == ELF_ST_INFO (STB_GLOBAL
, STT_REGISTER
))
1594 asym
->flags
|= BSF_GLOBAL
;
1598 /* Adjust a symbol defined by a dynamic object and referenced by a
1599 regular object. The current definition is in some section of the
1600 dynamic object, but we're not including those sections. We have to
1601 change the definition to something the rest of the link can
1605 sparc64_elf_adjust_dynamic_symbol (info
, h
)
1606 struct bfd_link_info
*info
;
1607 struct elf_link_hash_entry
*h
;
1611 unsigned int power_of_two
;
1613 dynobj
= elf_hash_table (info
)->dynobj
;
1615 /* Make sure we know what is going on here. */
1616 BFD_ASSERT (dynobj
!= NULL
1618 || h
->u
.weakdef
!= NULL
1621 && !h
->def_regular
)));
1623 /* If this is a function, put it in the procedure linkage table. We
1624 will fill in the contents of the procedure linkage table later
1625 (although we could actually do it here). The STT_NOTYPE
1626 condition is a hack specifically for the Oracle libraries
1627 delivered for Solaris; for some inexplicable reason, they define
1628 some of their functions as STT_NOTYPE when they really should be
1630 if (h
->type
== STT_FUNC
1632 || (h
->type
== STT_NOTYPE
1633 && (h
->root
.type
== bfd_link_hash_defined
1634 || h
->root
.type
== bfd_link_hash_defweak
)
1635 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1637 if (! elf_hash_table (info
)->dynamic_sections_created
)
1639 /* This case can occur if we saw a WPLT30 reloc in an input
1640 file, but none of the input files were dynamic objects.
1641 In such a case, we don't actually need to build a
1642 procedure linkage table, and we can just do a WDISP30
1644 BFD_ASSERT (h
->needs_plt
);
1648 s
= bfd_get_section_by_name (dynobj
, ".plt");
1649 BFD_ASSERT (s
!= NULL
);
1651 /* The first four bit in .plt is reserved. */
1653 s
->size
= PLT_HEADER_SIZE
;
1655 /* To simplify matters later, just store the plt index here. */
1656 h
->plt
.offset
= s
->size
/ PLT_ENTRY_SIZE
;
1658 /* If this symbol is not defined in a regular file, and we are
1659 not generating a shared library, then set the symbol to this
1660 location in the .plt. This is required to make function
1661 pointers compare as equal between the normal executable and
1662 the shared library. */
1666 h
->root
.u
.def
.section
= s
;
1667 h
->root
.u
.def
.value
= sparc64_elf_plt_entry_offset (h
->plt
.offset
);
1670 /* Make room for this entry. */
1671 s
->size
+= PLT_ENTRY_SIZE
;
1673 /* We also need to make an entry in the .rela.plt section. */
1675 s
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1676 BFD_ASSERT (s
!= NULL
);
1678 s
->size
+= sizeof (Elf64_External_Rela
);
1680 /* The procedure linkage table size is bounded by the magnitude
1681 of the offset we can describe in the entry. */
1682 if (s
->size
>= (bfd_vma
)1 << 32)
1684 bfd_set_error (bfd_error_bad_value
);
1691 /* If this is a weak symbol, and there is a real definition, the
1692 processor independent code will have arranged for us to see the
1693 real definition first, and we can just use the same value. */
1694 if (h
->u
.weakdef
!= NULL
)
1696 BFD_ASSERT (h
->u
.weakdef
->root
.type
== bfd_link_hash_defined
1697 || h
->u
.weakdef
->root
.type
== bfd_link_hash_defweak
);
1698 h
->root
.u
.def
.section
= h
->u
.weakdef
->root
.u
.def
.section
;
1699 h
->root
.u
.def
.value
= h
->u
.weakdef
->root
.u
.def
.value
;
1703 /* This is a reference to a symbol defined by a dynamic object which
1704 is not a function. */
1706 /* If we are creating a shared library, we must presume that the
1707 only references to the symbol are via the global offset table.
1708 For such cases we need not do anything here; the relocations will
1709 be handled correctly by relocate_section. */
1713 /* We must allocate the symbol in our .dynbss section, which will
1714 become part of the .bss section of the executable. There will be
1715 an entry for this symbol in the .dynsym section. The dynamic
1716 object will contain position independent code, so all references
1717 from the dynamic object to this symbol will go through the global
1718 offset table. The dynamic linker will use the .dynsym entry to
1719 determine the address it must put in the global offset table, so
1720 both the dynamic object and the regular object will refer to the
1721 same memory location for the variable. */
1723 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
1724 BFD_ASSERT (s
!= NULL
);
1726 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1727 to copy the initial value out of the dynamic object and into the
1728 runtime process image. We need to remember the offset into the
1729 .rel.bss section we are going to use. */
1730 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0)
1734 srel
= bfd_get_section_by_name (dynobj
, ".rela.bss");
1735 BFD_ASSERT (srel
!= NULL
);
1736 srel
->size
+= sizeof (Elf64_External_Rela
);
1740 /* We need to figure out the alignment required for this symbol. I
1741 have no idea how ELF linkers handle this. 16-bytes is the size
1742 of the largest type that requires hard alignment -- long double. */
1743 power_of_two
= bfd_log2 (h
->size
);
1744 if (power_of_two
> 4)
1747 /* Apply the required alignment. */
1748 s
->size
= BFD_ALIGN (s
->size
, (bfd_size_type
) (1 << power_of_two
));
1749 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
1751 if (! bfd_set_section_alignment (dynobj
, s
, power_of_two
))
1755 /* Define the symbol as being at this point in the section. */
1756 h
->root
.u
.def
.section
= s
;
1757 h
->root
.u
.def
.value
= s
->size
;
1759 /* Increment the section size to make room for the symbol. */
1765 /* Return true if the dynamic symbol for a given section should be
1766 omitted when creating a shared library. */
1769 sparc64_elf_omit_section_dynsym (bfd
*output_bfd
,
1770 struct bfd_link_info
*info
,
1773 /* We keep the .got section symbol so that explicit relocations
1774 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
1775 can be turned into relocations against the .got symbol. */
1776 if (strcmp (p
->name
, ".got") == 0)
1779 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
1782 /* Set the sizes of the dynamic sections. */
1785 sparc64_elf_size_dynamic_sections (output_bfd
, info
)
1787 struct bfd_link_info
*info
;
1793 dynobj
= elf_hash_table (info
)->dynobj
;
1794 BFD_ASSERT (dynobj
!= NULL
);
1796 if (elf_hash_table (info
)->dynamic_sections_created
)
1798 /* Set the contents of the .interp section to the interpreter. */
1799 if (info
->executable
)
1801 s
= bfd_get_section_by_name (dynobj
, ".interp");
1802 BFD_ASSERT (s
!= NULL
);
1803 s
->size
= sizeof ELF_DYNAMIC_INTERPRETER
;
1804 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
1809 /* We may have created entries in the .rela.got section.
1810 However, if we are not creating the dynamic sections, we will
1811 not actually use these entries. Reset the size of .rela.got,
1812 which will cause it to get stripped from the output file
1814 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
1819 /* The check_relocs and adjust_dynamic_symbol entry points have
1820 determined the sizes of the various dynamic sections. Allocate
1823 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
1828 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
1831 /* It's OK to base decisions on the section name, because none
1832 of the dynobj section names depend upon the input files. */
1833 name
= bfd_get_section_name (dynobj
, s
);
1837 if (strncmp (name
, ".rela", 5) == 0)
1841 /* If we don't need this section, strip it from the
1842 output file. This is to handle .rela.bss and
1843 .rel.plt. We must create it in
1844 create_dynamic_sections, because it must be created
1845 before the linker maps input sections to output
1846 sections. The linker does that before
1847 adjust_dynamic_symbol is called, and it is that
1848 function which decides whether anything needs to go
1849 into these sections. */
1854 if (strcmp (name
, ".rela.plt") == 0)
1857 /* We use the reloc_count field as a counter if we need
1858 to copy relocs into the output file. */
1862 else if (strcmp (name
, ".plt") != 0
1863 && strncmp (name
, ".got", 4) != 0)
1865 /* It's not one of our sections, so don't allocate space. */
1871 _bfd_strip_section_from_output (info
, s
);
1875 /* Allocate memory for the section contents. Zero the memory
1876 for the benefit of .rela.plt, which has 4 unused entries
1877 at the beginning, and we don't want garbage. */
1878 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
1879 if (s
->contents
== NULL
&& s
->size
!= 0)
1883 if (elf_hash_table (info
)->dynamic_sections_created
)
1885 /* Add some entries to the .dynamic section. We fill in the
1886 values later, in sparc64_elf_finish_dynamic_sections, but we
1887 must add the entries now so that we get the correct size for
1888 the .dynamic section. The DT_DEBUG entry is filled in by the
1889 dynamic linker and used by the debugger. */
1890 #define add_dynamic_entry(TAG, VAL) \
1891 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
1894 struct sparc64_elf_app_reg
* app_regs
;
1895 struct elf_strtab_hash
*dynstr
;
1896 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
1898 if (info
->executable
)
1900 if (!add_dynamic_entry (DT_DEBUG
, 0))
1906 if (!add_dynamic_entry (DT_PLTGOT
, 0)
1907 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
1908 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
1909 || !add_dynamic_entry (DT_JMPREL
, 0))
1913 if (!add_dynamic_entry (DT_RELA
, 0)
1914 || !add_dynamic_entry (DT_RELASZ
, 0)
1915 || !add_dynamic_entry (DT_RELAENT
, sizeof (Elf64_External_Rela
)))
1918 if (info
->flags
& DF_TEXTREL
)
1920 if (!add_dynamic_entry (DT_TEXTREL
, 0))
1924 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
1925 entries if needed. */
1926 app_regs
= sparc64_elf_hash_table (info
)->app_regs
;
1927 dynstr
= eht
->dynstr
;
1929 for (reg
= 0; reg
< 4; reg
++)
1930 if (app_regs
[reg
].name
!= NULL
)
1932 struct elf_link_local_dynamic_entry
*entry
, *e
;
1934 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
1937 entry
= (struct elf_link_local_dynamic_entry
*)
1938 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
1942 /* We cheat here a little bit: the symbol will not be local, so we
1943 put it at the end of the dynlocal linked list. We will fix it
1944 later on, as we have to fix other fields anyway. */
1945 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
1946 entry
->isym
.st_size
= 0;
1947 if (*app_regs
[reg
].name
!= '\0')
1949 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
1951 entry
->isym
.st_name
= 0;
1952 entry
->isym
.st_other
= 0;
1953 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
1955 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
1957 entry
->input_bfd
= output_bfd
;
1958 entry
->input_indx
= -1;
1960 if (eht
->dynlocal
== NULL
)
1961 eht
->dynlocal
= entry
;
1964 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
1971 #undef add_dynamic_entry
1977 sparc64_elf_new_section_hook (abfd
, sec
)
1981 struct sparc64_elf_section_data
*sdata
;
1982 bfd_size_type amt
= sizeof (*sdata
);
1984 sdata
= (struct sparc64_elf_section_data
*) bfd_zalloc (abfd
, amt
);
1987 sec
->used_by_bfd
= (PTR
) sdata
;
1989 return _bfd_elf_new_section_hook (abfd
, sec
);
1993 sparc64_elf_relax_section (abfd
, section
, link_info
, again
)
1994 bfd
*abfd ATTRIBUTE_UNUSED
;
1995 asection
*section ATTRIBUTE_UNUSED
;
1996 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
;
2000 sec_do_relax (section
) = 1;
2004 /* Relocate a SPARC64 ELF section. */
2007 sparc64_elf_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
2008 contents
, relocs
, local_syms
, local_sections
)
2010 struct bfd_link_info
*info
;
2012 asection
*input_section
;
2014 Elf_Internal_Rela
*relocs
;
2015 Elf_Internal_Sym
*local_syms
;
2016 asection
**local_sections
;
2019 Elf_Internal_Shdr
*symtab_hdr
;
2020 struct elf_link_hash_entry
**sym_hashes
;
2021 bfd_vma
*local_got_offsets
;
2026 Elf_Internal_Rela
*rel
;
2027 Elf_Internal_Rela
*relend
;
2029 if (info
->relocatable
)
2032 dynobj
= elf_hash_table (info
)->dynobj
;
2033 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
2034 sym_hashes
= elf_sym_hashes (input_bfd
);
2035 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2037 if (elf_hash_table(info
)->hgot
== NULL
)
2040 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2042 sgot
= splt
= sreloc
= NULL
;
2044 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2047 relend
= relocs
+ NUM_SHDR_ENTRIES (& elf_section_data (input_section
)->rel_hdr
);
2048 for (; rel
< relend
; rel
++)
2051 reloc_howto_type
*howto
;
2052 unsigned long r_symndx
;
2053 struct elf_link_hash_entry
*h
;
2054 Elf_Internal_Sym
*sym
;
2056 bfd_vma relocation
, off
;
2057 bfd_reloc_status_type r
;
2058 bfd_boolean is_plt
= FALSE
;
2059 bfd_boolean unresolved_reloc
;
2061 r_type
= ELF64_R_TYPE_ID (rel
->r_info
);
2062 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2064 bfd_set_error (bfd_error_bad_value
);
2067 howto
= sparc64_elf_howto_table
+ r_type
;
2069 /* This is a final link. */
2070 r_symndx
= ELF64_R_SYM (rel
->r_info
);
2074 unresolved_reloc
= FALSE
;
2075 if (r_symndx
< symtab_hdr
->sh_info
)
2077 sym
= local_syms
+ r_symndx
;
2078 sec
= local_sections
[r_symndx
];
2079 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2085 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2086 r_symndx
, symtab_hdr
, sym_hashes
,
2088 unresolved_reloc
, warned
);
2091 /* To avoid generating warning messages about truncated
2092 relocations, set the relocation's address to be the same as
2093 the start of this section. */
2094 if (input_section
->output_section
!= NULL
)
2095 relocation
= input_section
->output_section
->vma
;
2102 /* When generating a shared object, these relocations are copied
2103 into the output file to be resolved at run time. */
2104 if (info
->shared
&& r_symndx
!= 0 && (input_section
->flags
& SEC_ALLOC
))
2110 case R_SPARC_PC_HH22
:
2111 case R_SPARC_PC_HM10
:
2112 case R_SPARC_PC_LM22
:
2114 && !strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_"))
2118 case R_SPARC_DISP16
:
2119 case R_SPARC_DISP32
:
2120 case R_SPARC_DISP64
:
2121 case R_SPARC_WDISP30
:
2122 case R_SPARC_WDISP22
:
2123 case R_SPARC_WDISP19
:
2124 case R_SPARC_WDISP16
:
2154 Elf_Internal_Rela outrel
;
2156 bfd_boolean skip
, relocate
;
2161 (bfd_elf_string_from_elf_section
2163 elf_elfheader (input_bfd
)->e_shstrndx
,
2164 elf_section_data (input_section
)->rel_hdr
.sh_name
));
2169 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
2170 && strcmp (bfd_get_section_name(input_bfd
,
2174 sreloc
= bfd_get_section_by_name (dynobj
, name
);
2175 BFD_ASSERT (sreloc
!= NULL
);
2182 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
2184 if (outrel
.r_offset
== (bfd_vma
) -1)
2186 else if (outrel
.r_offset
== (bfd_vma
) -2)
2187 skip
= TRUE
, relocate
= TRUE
;
2189 outrel
.r_offset
+= (input_section
->output_section
->vma
2190 + input_section
->output_offset
);
2192 /* Optimize unaligned reloc usage now that we know where
2193 it finally resides. */
2197 if (outrel
.r_offset
& 1) r_type
= R_SPARC_UA16
;
2200 if (!(outrel
.r_offset
& 1)) r_type
= R_SPARC_16
;
2203 if (outrel
.r_offset
& 3) r_type
= R_SPARC_UA32
;
2206 if (!(outrel
.r_offset
& 3)) r_type
= R_SPARC_32
;
2209 if (outrel
.r_offset
& 7) r_type
= R_SPARC_UA64
;
2212 if (!(outrel
.r_offset
& 7)) r_type
= R_SPARC_64
;
2215 case R_SPARC_DISP16
:
2216 case R_SPARC_DISP32
:
2217 case R_SPARC_DISP64
:
2218 /* If the symbol is not dynamic, we should not keep
2219 a dynamic relocation. But an .rela.* slot has been
2220 allocated for it, output R_SPARC_NONE.
2221 FIXME: Add code tracking needed dynamic relocs as
2223 if (h
->dynindx
== -1)
2224 skip
= TRUE
, relocate
= TRUE
;
2228 /* FIXME: Dynamic reloc handling really needs to be rewritten. */
2231 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2232 && h
->root
.type
== bfd_link_hash_undefweak
)
2233 skip
= TRUE
, relocate
= TRUE
;
2236 memset (&outrel
, 0, sizeof outrel
);
2237 /* h->dynindx may be -1 if the symbol was marked to
2239 else if (h
!= NULL
&& ! is_plt
2240 && ((! info
->symbolic
&& h
->dynindx
!= -1)
2241 || !h
->def_regular
))
2243 BFD_ASSERT (h
->dynindx
!= -1);
2245 = ELF64_R_INFO (h
->dynindx
,
2247 ELF64_R_TYPE_DATA (rel
->r_info
),
2249 outrel
.r_addend
= rel
->r_addend
;
2253 outrel
.r_addend
= relocation
+ rel
->r_addend
;
2254 if (r_type
== R_SPARC_64
)
2255 outrel
.r_info
= ELF64_R_INFO (0, R_SPARC_RELATIVE
);
2263 if (bfd_is_abs_section (sec
))
2265 else if (sec
== NULL
|| sec
->owner
== NULL
)
2267 bfd_set_error (bfd_error_bad_value
);
2274 osec
= sec
->output_section
;
2275 indx
= elf_section_data (osec
)->dynindx
;
2277 /* We are turning this relocation into one
2278 against a section symbol, so subtract out
2279 the output section's address but not the
2280 offset of the input section in the output
2282 outrel
.r_addend
-= osec
->vma
;
2284 /* FIXME: we really should be able to link non-pic
2285 shared libraries. */
2289 (*_bfd_error_handler
)
2290 (_("%B: probably compiled without -fPIC?"),
2292 bfd_set_error (bfd_error_bad_value
);
2298 = ELF64_R_INFO (indx
,
2300 ELF64_R_TYPE_DATA (rel
->r_info
),
2305 loc
= sreloc
->contents
;
2306 loc
+= sreloc
->reloc_count
++ * sizeof (Elf64_External_Rela
);
2307 bfd_elf64_swap_reloca_out (output_bfd
, &outrel
, loc
);
2309 /* This reloc will be computed at runtime, so there's no
2310 need to do anything now. */
2323 /* Relocation is to the entry for this symbol in the global
2327 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2328 BFD_ASSERT (sgot
!= NULL
);
2335 off
= h
->got
.offset
;
2336 BFD_ASSERT (off
!= (bfd_vma
) -1);
2337 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
2339 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, info
->shared
, h
)
2346 /* This is actually a static link, or it is a -Bsymbolic
2347 link and the symbol is defined locally, or the symbol
2348 was forced to be local because of a version file. We
2349 must initialize this entry in the global offset table.
2350 Since the offset must always be a multiple of 8, we
2351 use the least significant bit to record whether we
2352 have initialized it already.
2354 When doing a dynamic link, we create a .rela.got
2355 relocation entry to initialize the value. This is
2356 done in the finish_dynamic_symbol routine. */
2362 bfd_put_64 (output_bfd
, relocation
,
2363 sgot
->contents
+ off
);
2368 unresolved_reloc
= FALSE
;
2372 BFD_ASSERT (local_got_offsets
!= NULL
);
2373 off
= local_got_offsets
[r_symndx
];
2374 BFD_ASSERT (off
!= (bfd_vma
) -1);
2376 /* The offset must always be a multiple of 8. We use
2377 the least significant bit to record whether we have
2378 already processed this entry. */
2383 local_got_offsets
[r_symndx
] |= 1;
2388 Elf_Internal_Rela outrel
;
2391 /* The Solaris 2.7 64-bit linker adds the contents
2392 of the location to the value of the reloc.
2393 Note this is different behaviour to the
2394 32-bit linker, which both adds the contents
2395 and ignores the addend. So clear the location. */
2396 bfd_put_64 (output_bfd
, (bfd_vma
) 0,
2397 sgot
->contents
+ off
);
2399 /* We need to generate a R_SPARC_RELATIVE reloc
2400 for the dynamic linker. */
2401 s
= bfd_get_section_by_name(dynobj
, ".rela.got");
2402 BFD_ASSERT (s
!= NULL
);
2404 outrel
.r_offset
= (sgot
->output_section
->vma
2405 + sgot
->output_offset
2407 outrel
.r_info
= ELF64_R_INFO (0, R_SPARC_RELATIVE
);
2408 outrel
.r_addend
= relocation
;
2410 loc
+= s
->reloc_count
++ * sizeof (Elf64_External_Rela
);
2411 bfd_elf64_swap_reloca_out (output_bfd
, &outrel
, loc
);
2414 bfd_put_64 (output_bfd
, relocation
, sgot
->contents
+ off
);
2417 relocation
= sgot
->output_offset
+ off
- got_base
;
2420 case R_SPARC_WPLT30
:
2422 case R_SPARC_HIPLT22
:
2423 case R_SPARC_LOPLT10
:
2424 case R_SPARC_PCPLT32
:
2425 case R_SPARC_PCPLT22
:
2426 case R_SPARC_PCPLT10
:
2428 /* Relocation is to the entry for this symbol in the
2429 procedure linkage table. */
2430 BFD_ASSERT (h
!= NULL
);
2432 if (h
->plt
.offset
== (bfd_vma
) -1 || splt
== NULL
)
2434 /* We didn't make a PLT entry for this symbol. This
2435 happens when statically linking PIC code, or when
2436 using -Bsymbolic. */
2440 relocation
= (splt
->output_section
->vma
2441 + splt
->output_offset
2442 + sparc64_elf_plt_entry_offset (h
->plt
.offset
));
2443 unresolved_reloc
= FALSE
;
2444 if (r_type
== R_SPARC_WPLT30
)
2446 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
2448 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
2458 relocation
+= rel
->r_addend
;
2459 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
2461 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
2462 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
2463 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
2465 r
= bfd_check_overflow (howto
->complain_on_overflow
,
2466 howto
->bitsize
, howto
->rightshift
,
2467 bfd_arch_bits_per_address (input_bfd
),
2472 case R_SPARC_WDISP16
:
2476 relocation
+= rel
->r_addend
;
2477 /* Adjust for pc-relative-ness. */
2478 relocation
-= (input_section
->output_section
->vma
2479 + input_section
->output_offset
);
2480 relocation
-= rel
->r_offset
;
2482 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
2483 x
&= ~(bfd_vma
) 0x303fff;
2484 x
|= ((((relocation
>> 2) & 0xc000) << 6)
2485 | ((relocation
>> 2) & 0x3fff));
2486 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
2488 r
= bfd_check_overflow (howto
->complain_on_overflow
,
2489 howto
->bitsize
, howto
->rightshift
,
2490 bfd_arch_bits_per_address (input_bfd
),
2499 relocation
+= rel
->r_addend
;
2500 relocation
= relocation
^ MINUS_ONE
;
2502 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
2503 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
2504 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
2506 r
= bfd_check_overflow (howto
->complain_on_overflow
,
2507 howto
->bitsize
, howto
->rightshift
,
2508 bfd_arch_bits_per_address (input_bfd
),
2517 relocation
+= rel
->r_addend
;
2518 relocation
= (relocation
& 0x3ff) | 0x1c00;
2520 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
2521 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
2522 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
2528 case R_SPARC_WDISP30
:
2530 if (sec_do_relax (input_section
)
2531 && rel
->r_offset
+ 4 < input_section
->size
)
2535 #define XCC (2 << 20)
2536 #define COND(x) (((x)&0xf)<<25)
2537 #define CONDA COND(0x8)
2538 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
2539 #define INSN_BA (F2(0,2) | CONDA)
2540 #define INSN_OR F3(2, 0x2, 0)
2541 #define INSN_NOP F2(0,4)
2545 /* If the instruction is a call with either:
2547 arithmetic instruction with rd == %o7
2548 where rs1 != %o7 and rs2 if it is register != %o7
2549 then we can optimize if the call destination is near
2550 by changing the call into a branch always. */
2551 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
2552 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
2553 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
2555 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
2556 || ((y
& OP3(0x28)) == 0 /* arithmetic */
2557 && (y
& RD(~0)) == RD(O7
)))
2558 && (y
& RS1(~0)) != RS1(O7
)
2560 || (y
& RS2(~0)) != RS2(O7
)))
2564 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
2565 reloc
-= (input_section
->output_section
->vma
2566 + input_section
->output_offset
);
2570 /* Ensure the branch fits into simm22. */
2571 if ((reloc
& ~(bfd_vma
)0x7fffff)
2572 && ((reloc
| 0x7fffff) != MINUS_ONE
))
2576 /* Check whether it fits into simm19. */
2577 if ((reloc
& 0x3c0000) == 0
2578 || (reloc
& 0x3c0000) == 0x3c0000)
2579 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
2581 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
2582 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
2584 if (rel
->r_offset
>= 4
2585 && (y
& (0xffffffff ^ RS1(~0)))
2586 == (INSN_OR
| RD(O7
) | RS2(G0
)))
2591 z
= bfd_get_32 (input_bfd
,
2592 contents
+ rel
->r_offset
- 4);
2593 if ((z
& (0xffffffff ^ RD(~0)))
2594 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
2602 If call foo was replaced with ba, replace
2603 or %rN, %g0, %o7 with nop. */
2605 reg
= (y
& RS1(~0)) >> 14;
2606 if (reg
!= ((z
& RD(~0)) >> 25)
2607 || reg
== G0
|| reg
== O7
)
2610 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
2611 contents
+ rel
->r_offset
+ 4);
2621 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
2622 contents
, rel
->r_offset
,
2623 relocation
, rel
->r_addend
);
2627 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
2628 because such sections are not SEC_ALLOC and thus ld.so will
2629 not process them. */
2630 if (unresolved_reloc
2631 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
2633 (*_bfd_error_handler
)
2634 (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
2635 input_bfd
, input_section
,
2636 (long) rel
->r_offset
,
2637 h
->root
.root
.string
);
2645 case bfd_reloc_outofrange
:
2648 case bfd_reloc_overflow
:
2652 /* The Solaris native linker silently disregards
2653 overflows. We don't, but this breaks stabs debugging
2654 info, whose relocations are only 32-bits wide. Ignore
2655 overflows in this case and also for discarded entries. */
2656 if ((r_type
== R_SPARC_32
|| r_type
== R_SPARC_DISP32
)
2657 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
2658 && strcmp (bfd_section_name (input_bfd
, input_section
),
2660 || _bfd_elf_section_offset (output_bfd
, info
,
2662 rel
->r_offset
) == (bfd_vma
)-1))
2667 if (h
->root
.type
== bfd_link_hash_undefweak
2668 && howto
->pc_relative
)
2670 /* Assume this is a call protected by other code that
2671 detect the symbol is undefined. If this is the case,
2672 we can safely ignore the overflow. If not, the
2673 program is hosed anyway, and a little warning isn't
2682 name
= (bfd_elf_string_from_elf_section
2684 symtab_hdr
->sh_link
,
2689 name
= bfd_section_name (input_bfd
, sec
);
2691 if (! ((*info
->callbacks
->reloc_overflow
)
2692 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
2693 (bfd_vma
) 0, input_bfd
, input_section
,
2704 /* Finish up dynamic symbol handling. We set the contents of various
2705 dynamic sections here. */
2708 sparc64_elf_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
2710 struct bfd_link_info
*info
;
2711 struct elf_link_hash_entry
*h
;
2712 Elf_Internal_Sym
*sym
;
2716 dynobj
= elf_hash_table (info
)->dynobj
;
2718 if (h
->plt
.offset
!= (bfd_vma
) -1)
2722 Elf_Internal_Rela rela
;
2725 /* This symbol has an entry in the PLT. Set it up. */
2727 BFD_ASSERT (h
->dynindx
!= -1);
2729 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2730 srela
= bfd_get_section_by_name (dynobj
, ".rela.plt");
2731 BFD_ASSERT (splt
!= NULL
&& srela
!= NULL
);
2733 /* Fill in the entry in the .rela.plt section. */
2735 if (h
->plt
.offset
< LARGE_PLT_THRESHOLD
)
2737 rela
.r_offset
= sparc64_elf_plt_entry_offset (h
->plt
.offset
);
2742 bfd_vma max
= splt
->size
/ PLT_ENTRY_SIZE
;
2743 rela
.r_offset
= sparc64_elf_plt_ptr_offset (h
->plt
.offset
, max
);
2744 rela
.r_addend
= -(sparc64_elf_plt_entry_offset (h
->plt
.offset
) + 4)
2745 -(splt
->output_section
->vma
+ splt
->output_offset
);
2747 rela
.r_offset
+= (splt
->output_section
->vma
+ splt
->output_offset
);
2748 rela
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SPARC_JMP_SLOT
);
2750 /* Adjust for the first 4 reserved elements in the .plt section
2751 when setting the offset in the .rela.plt section.
2752 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
2753 thus .plt[4] has corresponding .rela.plt[0] and so on. */
2755 loc
= srela
->contents
;
2756 loc
+= (h
->plt
.offset
- 4) * sizeof (Elf64_External_Rela
);
2757 bfd_elf64_swap_reloca_out (output_bfd
, &rela
, loc
);
2759 if (!h
->def_regular
)
2761 /* Mark the symbol as undefined, rather than as defined in
2762 the .plt section. Leave the value alone. */
2763 sym
->st_shndx
= SHN_UNDEF
;
2764 /* If the symbol is weak, we do need to clear the value.
2765 Otherwise, the PLT entry would provide a definition for
2766 the symbol even if the symbol wasn't defined anywhere,
2767 and so the symbol would never be NULL. */
2768 if (!h
->ref_regular_nonweak
)
2773 if (h
->got
.offset
!= (bfd_vma
) -1)
2777 Elf_Internal_Rela rela
;
2780 /* This symbol has an entry in the GOT. Set it up. */
2782 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2783 srela
= bfd_get_section_by_name (dynobj
, ".rela.got");
2784 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
2786 rela
.r_offset
= (sgot
->output_section
->vma
2787 + sgot
->output_offset
2788 + (h
->got
.offset
&~ (bfd_vma
) 1));
2790 /* If this is a -Bsymbolic link, and the symbol is defined
2791 locally, we just want to emit a RELATIVE reloc. Likewise if
2792 the symbol was forced to be local because of a version file.
2793 The entry in the global offset table will already have been
2794 initialized in the relocate_section function. */
2796 && (info
->symbolic
|| h
->dynindx
== -1)
2799 asection
*sec
= h
->root
.u
.def
.section
;
2800 rela
.r_info
= ELF64_R_INFO (0, R_SPARC_RELATIVE
);
2801 rela
.r_addend
= (h
->root
.u
.def
.value
2802 + sec
->output_section
->vma
2803 + sec
->output_offset
);
2807 rela
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SPARC_GLOB_DAT
);
2811 bfd_put_64 (output_bfd
, (bfd_vma
) 0,
2812 sgot
->contents
+ (h
->got
.offset
&~ (bfd_vma
) 1));
2813 loc
= srela
->contents
;
2814 loc
+= srela
->reloc_count
++ * sizeof (Elf64_External_Rela
);
2815 bfd_elf64_swap_reloca_out (output_bfd
, &rela
, loc
);
2821 Elf_Internal_Rela rela
;
2824 /* This symbols needs a copy reloc. Set it up. */
2825 BFD_ASSERT (h
->dynindx
!= -1);
2827 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
2829 BFD_ASSERT (s
!= NULL
);
2831 rela
.r_offset
= (h
->root
.u
.def
.value
2832 + h
->root
.u
.def
.section
->output_section
->vma
2833 + h
->root
.u
.def
.section
->output_offset
);
2834 rela
.r_info
= ELF64_R_INFO (h
->dynindx
, R_SPARC_COPY
);
2836 loc
= s
->contents
+ s
->reloc_count
++ * sizeof (Elf64_External_Rela
);
2837 bfd_elf64_swap_reloca_out (output_bfd
, &rela
, loc
);
2840 /* Mark some specially defined symbols as absolute. */
2841 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
2842 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0
2843 || strcmp (h
->root
.root
.string
, "_PROCEDURE_LINKAGE_TABLE_") == 0)
2844 sym
->st_shndx
= SHN_ABS
;
2849 /* Finish up the dynamic sections. */
2852 sparc64_elf_finish_dynamic_sections (output_bfd
, info
)
2854 struct bfd_link_info
*info
;
2857 int stt_regidx
= -1;
2861 dynobj
= elf_hash_table (info
)->dynobj
;
2863 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
2865 if (elf_hash_table (info
)->dynamic_sections_created
)
2868 Elf64_External_Dyn
*dyncon
, *dynconend
;
2870 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2871 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
2873 dyncon
= (Elf64_External_Dyn
*) sdyn
->contents
;
2874 dynconend
= (Elf64_External_Dyn
*) (sdyn
->contents
+ sdyn
->size
);
2875 for (; dyncon
< dynconend
; dyncon
++)
2877 Elf_Internal_Dyn dyn
;
2881 bfd_elf64_swap_dyn_in (dynobj
, dyncon
, &dyn
);
2885 case DT_PLTGOT
: name
= ".plt"; size
= FALSE
; break;
2886 case DT_PLTRELSZ
: name
= ".rela.plt"; size
= TRUE
; break;
2887 case DT_JMPREL
: name
= ".rela.plt"; size
= FALSE
; break;
2888 case DT_SPARC_REGISTER
:
2889 if (stt_regidx
== -1)
2892 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
2893 if (stt_regidx
== -1)
2896 dyn
.d_un
.d_val
= stt_regidx
++;
2897 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2899 default: name
= NULL
; size
= FALSE
; break;
2906 s
= bfd_get_section_by_name (output_bfd
, name
);
2912 dyn
.d_un
.d_ptr
= s
->vma
;
2914 dyn
.d_un
.d_val
= s
->size
;
2916 bfd_elf64_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2920 /* Initialize the contents of the .plt section. */
2922 sparc64_elf_build_plt (output_bfd
, splt
->contents
,
2923 (int) (splt
->size
/ PLT_ENTRY_SIZE
));
2925 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
=
2929 /* Set the first entry in the global offset table to the address of
2930 the dynamic section. */
2931 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2932 BFD_ASSERT (sgot
!= NULL
);
2936 bfd_put_64 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
2938 bfd_put_64 (output_bfd
,
2939 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
2943 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 8;
2948 static enum elf_reloc_type_class
2949 sparc64_elf_reloc_type_class (rela
)
2950 const Elf_Internal_Rela
*rela
;
2952 switch ((int) ELF64_R_TYPE (rela
->r_info
))
2954 case R_SPARC_RELATIVE
:
2955 return reloc_class_relative
;
2956 case R_SPARC_JMP_SLOT
:
2957 return reloc_class_plt
;
2959 return reloc_class_copy
;
2961 return reloc_class_normal
;
2965 /* Functions for dealing with the e_flags field. */
2967 /* Merge backend specific data from an object file to the output
2968 object file when linking. */
2971 sparc64_elf_merge_private_bfd_data (ibfd
, obfd
)
2976 flagword new_flags
, old_flags
;
2979 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
2980 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
2983 new_flags
= elf_elfheader (ibfd
)->e_flags
;
2984 old_flags
= elf_elfheader (obfd
)->e_flags
;
2986 if (!elf_flags_init (obfd
)) /* First call, no flags set */
2988 elf_flags_init (obfd
) = TRUE
;
2989 elf_elfheader (obfd
)->e_flags
= new_flags
;
2992 else if (new_flags
== old_flags
) /* Compatible flags are ok */
2995 else /* Incompatible flags */
2999 #define EF_SPARC_ISA_EXTENSIONS \
3000 (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1)
3002 if ((ibfd
->flags
& DYNAMIC
) != 0)
3004 /* We don't want dynamic objects memory ordering and
3005 architecture to have any role. That's what dynamic linker
3007 new_flags
&= ~(EF_SPARCV9_MM
| EF_SPARC_ISA_EXTENSIONS
);
3008 new_flags
|= (old_flags
3009 & (EF_SPARCV9_MM
| EF_SPARC_ISA_EXTENSIONS
));
3013 /* Choose the highest architecture requirements. */
3014 old_flags
|= (new_flags
& EF_SPARC_ISA_EXTENSIONS
);
3015 new_flags
|= (old_flags
& EF_SPARC_ISA_EXTENSIONS
);
3016 if ((old_flags
& (EF_SPARC_SUN_US1
| EF_SPARC_SUN_US3
))
3017 && (old_flags
& EF_SPARC_HAL_R1
))
3020 (*_bfd_error_handler
)
3021 (_("%B: linking UltraSPARC specific with HAL specific code"),
3024 /* Choose the most restrictive memory ordering. */
3025 old_mm
= (old_flags
& EF_SPARCV9_MM
);
3026 new_mm
= (new_flags
& EF_SPARCV9_MM
);
3027 old_flags
&= ~EF_SPARCV9_MM
;
3028 new_flags
&= ~EF_SPARCV9_MM
;
3029 if (new_mm
< old_mm
)
3031 old_flags
|= old_mm
;
3032 new_flags
|= old_mm
;
3035 /* Warn about any other mismatches */
3036 if (new_flags
!= old_flags
)
3039 (*_bfd_error_handler
)
3040 (_("%B: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
3041 ibfd
, (long) new_flags
, (long) old_flags
);
3044 elf_elfheader (obfd
)->e_flags
= old_flags
;
3048 bfd_set_error (bfd_error_bad_value
);
3055 /* MARCO: Set the correct entry size for the .stab section. */
3058 sparc64_elf_fake_sections (abfd
, hdr
, sec
)
3059 bfd
*abfd ATTRIBUTE_UNUSED
;
3060 Elf_Internal_Shdr
*hdr ATTRIBUTE_UNUSED
;
3065 name
= bfd_get_section_name (abfd
, sec
);
3067 if (strcmp (name
, ".stab") == 0)
3069 /* Even in the 64bit case the stab entries are only 12 bytes long. */
3070 elf_section_data (sec
)->this_hdr
.sh_entsize
= 12;
3076 /* Print a STT_REGISTER symbol to file FILE. */
3079 sparc64_elf_print_symbol_all (abfd
, filep
, symbol
)
3080 bfd
*abfd ATTRIBUTE_UNUSED
;
3084 FILE *file
= (FILE *) filep
;
3087 if (ELF_ST_TYPE (((elf_symbol_type
*) symbol
)->internal_elf_sym
.st_info
)
3091 reg
= ((elf_symbol_type
*) symbol
)->internal_elf_sym
.st_value
;
3092 type
= symbol
->flags
;
3093 fprintf (file
, "REG_%c%c%11s%c%c R", "GOLI" [reg
/ 8], '0' + (reg
& 7), "",
3095 ? (type
& BSF_GLOBAL
) ? '!' : 'l'
3096 : (type
& BSF_GLOBAL
) ? 'g' : ' '),
3097 (type
& BSF_WEAK
) ? 'w' : ' ');
3098 if (symbol
->name
== NULL
|| symbol
->name
[0] == '\0')
3101 return symbol
->name
;
3104 /* Set the right machine number for a SPARC64 ELF file. */
3107 sparc64_elf_object_p (abfd
)
3110 unsigned long mach
= bfd_mach_sparc_v9
;
3112 if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
3113 mach
= bfd_mach_sparc_v9b
;
3114 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
3115 mach
= bfd_mach_sparc_v9a
;
3116 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
3119 /* Return address for Ith PLT stub in section PLT, for relocation REL
3120 or (bfd_vma) -1 if it should not be included. */
3123 sparc64_elf_plt_sym_val (bfd_vma i
, const asection
*plt
,
3124 const arelent
*rel ATTRIBUTE_UNUSED
)
3128 i
+= PLT_HEADER_SIZE
/ PLT_ENTRY_SIZE
;
3129 if (i
< LARGE_PLT_THRESHOLD
)
3130 return plt
->vma
+ i
* PLT_ENTRY_SIZE
;
3132 j
= (i
- LARGE_PLT_THRESHOLD
) % 160;
3134 return plt
->vma
+ i
* PLT_ENTRY_SIZE
+ j
* 4 * 6;
3137 /* Relocations in the 64 bit SPARC ELF ABI are more complex than in
3138 standard ELF, because R_SPARC_OLO10 has secondary addend in
3139 ELF64_R_TYPE_DATA field. This structure is used to redirect the
3140 relocation handling routines. */
3142 const struct elf_size_info sparc64_elf_size_info
=
3144 sizeof (Elf64_External_Ehdr
),
3145 sizeof (Elf64_External_Phdr
),
3146 sizeof (Elf64_External_Shdr
),
3147 sizeof (Elf64_External_Rel
),
3148 sizeof (Elf64_External_Rela
),
3149 sizeof (Elf64_External_Sym
),
3150 sizeof (Elf64_External_Dyn
),
3151 sizeof (Elf_External_Note
),
3152 4, /* hash-table entry size. */
3153 /* Internal relocations per external relocations.
3154 For link purposes we use just 1 internal per
3155 1 external, for assembly and slurp symbol table
3158 64, /* arch_size. */
3159 3, /* log_file_align. */
3162 bfd_elf64_write_out_phdrs
,
3163 bfd_elf64_write_shdrs_and_ehdr
,
3164 sparc64_elf_write_relocs
,
3165 bfd_elf64_swap_symbol_in
,
3166 bfd_elf64_swap_symbol_out
,
3167 sparc64_elf_slurp_reloc_table
,
3168 bfd_elf64_slurp_symbol_table
,
3169 bfd_elf64_swap_dyn_in
,
3170 bfd_elf64_swap_dyn_out
,
3171 bfd_elf64_swap_reloc_in
,
3172 bfd_elf64_swap_reloc_out
,
3173 bfd_elf64_swap_reloca_in
,
3174 bfd_elf64_swap_reloca_out
3177 #define TARGET_BIG_SYM bfd_elf64_sparc_vec
3178 #define TARGET_BIG_NAME "elf64-sparc"
3179 #define ELF_ARCH bfd_arch_sparc
3180 #define ELF_MAXPAGESIZE 0x100000
3182 /* This is the official ABI value. */
3183 #define ELF_MACHINE_CODE EM_SPARCV9
3185 /* This is the value that we used before the ABI was released. */
3186 #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9
3188 #define bfd_elf64_bfd_link_hash_table_create \
3189 sparc64_elf_bfd_link_hash_table_create
3191 #define elf_info_to_howto \
3192 sparc64_elf_info_to_howto
3193 #define bfd_elf64_get_reloc_upper_bound \
3194 sparc64_elf_get_reloc_upper_bound
3195 #define bfd_elf64_get_dynamic_reloc_upper_bound \
3196 sparc64_elf_get_dynamic_reloc_upper_bound
3197 #define bfd_elf64_canonicalize_reloc \
3198 sparc64_elf_canonicalize_reloc
3199 #define bfd_elf64_canonicalize_dynamic_reloc \
3200 sparc64_elf_canonicalize_dynamic_reloc
3201 #define bfd_elf64_bfd_reloc_type_lookup \
3202 sparc64_elf_reloc_type_lookup
3203 #define bfd_elf64_bfd_relax_section \
3204 sparc64_elf_relax_section
3205 #define bfd_elf64_new_section_hook \
3206 sparc64_elf_new_section_hook
3208 #define elf_backend_create_dynamic_sections \
3209 _bfd_elf_create_dynamic_sections
3210 #define elf_backend_add_symbol_hook \
3211 sparc64_elf_add_symbol_hook
3212 #define elf_backend_get_symbol_type \
3213 sparc64_elf_get_symbol_type
3214 #define elf_backend_symbol_processing \
3215 sparc64_elf_symbol_processing
3216 #define elf_backend_check_relocs \
3217 sparc64_elf_check_relocs
3218 #define elf_backend_adjust_dynamic_symbol \
3219 sparc64_elf_adjust_dynamic_symbol
3220 #define elf_backend_omit_section_dynsym \
3221 sparc64_elf_omit_section_dynsym
3222 #define elf_backend_size_dynamic_sections \
3223 sparc64_elf_size_dynamic_sections
3224 #define elf_backend_relocate_section \
3225 sparc64_elf_relocate_section
3226 #define elf_backend_finish_dynamic_symbol \
3227 sparc64_elf_finish_dynamic_symbol
3228 #define elf_backend_finish_dynamic_sections \
3229 sparc64_elf_finish_dynamic_sections
3230 #define elf_backend_print_symbol_all \
3231 sparc64_elf_print_symbol_all
3232 #define elf_backend_output_arch_syms \
3233 sparc64_elf_output_arch_syms
3234 #define bfd_elf64_bfd_merge_private_bfd_data \
3235 sparc64_elf_merge_private_bfd_data
3236 #define elf_backend_fake_sections \
3237 sparc64_elf_fake_sections
3238 #define elf_backend_plt_sym_val \
3239 sparc64_elf_plt_sym_val
3241 #define elf_backend_size_info \
3242 sparc64_elf_size_info
3243 #define elf_backend_object_p \
3244 sparc64_elf_object_p
3245 #define elf_backend_reloc_type_class \
3246 sparc64_elf_reloc_type_class
3248 #define elf_backend_want_got_plt 0
3249 #define elf_backend_plt_readonly 0
3250 #define elf_backend_want_plt_sym 1
3251 #define elf_backend_rela_normal 1
3253 /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */
3254 #define elf_backend_plt_alignment 8
3256 #define elf_backend_got_header_size 8
3258 #include "elf64-target.h"