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 /* Used by local STT_GNU_IFUNC symbols. */
59 htab_t loc_hash_table
;
60 void *loc_hash_memory
;
62 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
65 void (*put_word
) (bfd
*, bfd_vma
, void *);
66 bfd_vma (*r_info
) (Elf_Internal_Rela
*, bfd_vma
, bfd_vma
);
67 bfd_vma (*r_symndx
) (bfd_vma
);
68 int (*build_plt_entry
) (bfd
*, asection
*, bfd_vma
, bfd_vma
, bfd_vma
*);
69 const char *dynamic_interpreter
;
70 int dynamic_interpreter_size
;
71 unsigned int word_align_power
;
72 unsigned int align_power_max
;
73 unsigned int plt_header_size
;
74 unsigned int plt_entry_size
;
81 struct _bfd_sparc_elf_app_reg app_regs
[4];
84 /* Get the SPARC ELF linker hash table from a link_info structure. */
86 #define _bfd_sparc_elf_hash_table(p) \
87 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
88 == SPARC_ELF_DATA ? ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash)) : NULL)
90 extern reloc_howto_type
*_bfd_sparc_elf_reloc_type_lookup
91 (bfd
*, bfd_reloc_code_real_type
);
92 extern reloc_howto_type
*_bfd_sparc_elf_reloc_name_lookup
93 (bfd
*, const char *);
94 extern bfd_boolean _bfd_sparc_elf_info_to_howto
95 (bfd
*, arelent
*, Elf_Internal_Rela
*);
96 extern reloc_howto_type
*_bfd_sparc_elf_info_to_howto_ptr
98 extern bfd_boolean _bfd_sparc_elf_mkobject
100 extern struct bfd_link_hash_table
*_bfd_sparc_elf_link_hash_table_create
102 extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
103 (bfd
*, struct bfd_link_info
*);
104 extern void _bfd_sparc_elf_copy_indirect_symbol
105 (struct bfd_link_info
*,
106 struct elf_link_hash_entry
*,
107 struct elf_link_hash_entry
*);
108 extern bfd_boolean _bfd_sparc_elf_check_relocs
109 (bfd
*, struct bfd_link_info
*,
110 asection
*, const Elf_Internal_Rela
*);
111 extern asection
*_bfd_sparc_elf_gc_mark_hook
112 (asection
*, struct bfd_link_info
*,
113 Elf_Internal_Rela
*, struct elf_link_hash_entry
*,
115 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
116 (struct bfd_link_info
*, struct elf_link_hash_entry
*);
117 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
118 (bfd
*, struct bfd_link_info
*, asection
*);
119 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
120 (bfd
*, struct bfd_link_info
*);
121 extern bfd_boolean _bfd_sparc_elf_new_section_hook
123 extern bfd_boolean _bfd_sparc_elf_relax_section
124 (bfd
*, struct bfd_section
*, struct bfd_link_info
*, bfd_boolean
*);
125 extern bfd_boolean _bfd_sparc_elf_relocate_section
126 (bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
127 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**);
128 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
129 (bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
130 Elf_Internal_Sym
*sym
);
131 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
132 (bfd
*, struct bfd_link_info
*);
133 extern bfd_boolean _bfd_sparc_elf_fixup_symbol
134 (struct bfd_link_info
*, struct elf_link_hash_entry
*);
135 extern bfd_boolean _bfd_sparc_elf_object_p
137 extern bfd_vma _bfd_sparc_elf_plt_sym_val
138 (bfd_vma
, const asection
*, const arelent
*);
139 extern bfd_boolean _bfd_sparc_elf_merge_private_bfd_data
140 (bfd
*, struct bfd_link_info
*);