1 /* SPARC ELF specific backend routines.
2 Copyright (C) 2005-2020 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
21 #include "elf/common.h"
22 #include "elf/internal.h"
24 struct _bfd_sparc_elf_section_data
26 struct bfd_elf_section_data elf
;
27 unsigned int do_relax
, reloc_count
;
30 #define sec_do_relax(sec) \
31 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->do_relax
32 #define canon_reloc_count(sec) \
33 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->reloc_count
35 struct _bfd_sparc_elf_app_reg
43 /* Sparc ELF linker hash table. */
45 struct _bfd_sparc_elf_link_hash_table
47 struct elf_link_hash_table elf
;
49 /* Short-cut to get to dynamic linker sections. */
54 bfd_signed_vma refcount
;
58 /* Small local sym cache. */
59 struct sym_cache sym_cache
;
61 /* Used by local STT_GNU_IFUNC symbols. */
62 htab_t loc_hash_table
;
63 void *loc_hash_memory
;
65 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
68 void (*put_word
) (bfd
*, bfd_vma
, void *);
69 bfd_vma (*r_info
) (Elf_Internal_Rela
*, bfd_vma
, bfd_vma
);
70 bfd_vma (*r_symndx
) (bfd_vma
);
71 int (*build_plt_entry
) (bfd
*, asection
*, bfd_vma
, bfd_vma
, bfd_vma
*);
72 const char *dynamic_interpreter
;
73 int dynamic_interpreter_size
;
74 unsigned int word_align_power
;
75 unsigned int align_power_max
;
76 unsigned int plt_header_size
;
77 unsigned int plt_entry_size
;
84 struct _bfd_sparc_elf_app_reg app_regs
[4];
87 /* Get the SPARC ELF linker hash table from a link_info structure. */
89 #define _bfd_sparc_elf_hash_table(p) \
90 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
91 == SPARC_ELF_DATA ? ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash)) : NULL)
93 extern reloc_howto_type
*_bfd_sparc_elf_reloc_type_lookup
94 (bfd
*, bfd_reloc_code_real_type
);
95 extern reloc_howto_type
*_bfd_sparc_elf_reloc_name_lookup
96 (bfd
*, const char *);
97 extern bfd_boolean _bfd_sparc_elf_info_to_howto
98 (bfd
*, arelent
*, Elf_Internal_Rela
*);
99 extern reloc_howto_type
*_bfd_sparc_elf_info_to_howto_ptr
100 (bfd
*, unsigned int);
101 extern bfd_boolean _bfd_sparc_elf_mkobject
103 extern struct bfd_link_hash_table
*_bfd_sparc_elf_link_hash_table_create
105 extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
106 (bfd
*, struct bfd_link_info
*);
107 extern void _bfd_sparc_elf_copy_indirect_symbol
108 (struct bfd_link_info
*,
109 struct elf_link_hash_entry
*,
110 struct elf_link_hash_entry
*);
111 extern bfd_boolean _bfd_sparc_elf_check_relocs
112 (bfd
*, struct bfd_link_info
*,
113 asection
*, const Elf_Internal_Rela
*);
114 extern asection
*_bfd_sparc_elf_gc_mark_hook
115 (asection
*, struct bfd_link_info
*,
116 Elf_Internal_Rela
*, struct elf_link_hash_entry
*,
118 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
119 (struct bfd_link_info
*, struct elf_link_hash_entry
*);
120 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
121 (bfd
*, struct bfd_link_info
*, asection
*);
122 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
123 (bfd
*, struct bfd_link_info
*);
124 extern bfd_boolean _bfd_sparc_elf_new_section_hook
126 extern bfd_boolean _bfd_sparc_elf_relax_section
127 (bfd
*, struct bfd_section
*, struct bfd_link_info
*, bfd_boolean
*);
128 extern bfd_boolean _bfd_sparc_elf_relocate_section
129 (bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
130 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**);
131 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
132 (bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
133 Elf_Internal_Sym
*sym
);
134 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
135 (bfd
*, struct bfd_link_info
*);
136 extern bfd_boolean _bfd_sparc_elf_fixup_symbol
137 (struct bfd_link_info
*, struct elf_link_hash_entry
*);
138 extern bfd_boolean _bfd_sparc_elf_object_p
140 extern bfd_vma _bfd_sparc_elf_plt_sym_val
141 (bfd_vma
, const asection
*, const arelent
*);
142 extern bfd_boolean _bfd_sparc_elf_merge_private_bfd_data
143 (bfd
*, struct bfd_link_info
*);