1 /* SPARC ELF specific backend routines.
2 Copyright (C) 2005-2018 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 /* True if the target system is VxWorks. */
68 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
71 void (*put_word) (bfd *, bfd_vma, void *);
72 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
73 bfd_vma (*r_symndx) (bfd_vma);
74 int (*build_plt_entry) (bfd *, asection *, bfd_vma, bfd_vma, bfd_vma *);
75 const char *dynamic_interpreter;
76 int dynamic_interpreter_size;
77 unsigned int word_align_power;
78 unsigned int align_power_max;
79 unsigned int plt_header_size;
80 unsigned int plt_entry_size;
87 struct _bfd_sparc_elf_app_reg app_regs [4];
90 /* Get the SPARC ELF linker hash table from a link_info structure. */
92 #define _bfd_sparc_elf_hash_table(p) \
93 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
94 == SPARC_ELF_DATA ? ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash)) : NULL)
96 extern reloc_howto_type *_bfd_sparc_elf_reloc_type_lookup
97 (bfd *, bfd_reloc_code_real_type);
98 extern reloc_howto_type *_bfd_sparc_elf_reloc_name_lookup
99 (bfd *, const char *);
100 extern bfd_boolean _bfd_sparc_elf_info_to_howto
101 (bfd *, arelent *, Elf_Internal_Rela *);
102 extern reloc_howto_type *_bfd_sparc_elf_info_to_howto_ptr
103 (bfd*, unsigned int);
104 extern bfd_boolean _bfd_sparc_elf_mkobject
106 extern struct bfd_link_hash_table *_bfd_sparc_elf_link_hash_table_create
108 extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
109 (bfd *, struct bfd_link_info *);
110 extern void _bfd_sparc_elf_copy_indirect_symbol
111 (struct bfd_link_info *,
112 struct elf_link_hash_entry *,
113 struct elf_link_hash_entry *);
114 extern bfd_boolean _bfd_sparc_elf_check_relocs
115 (bfd *, struct bfd_link_info *,
116 asection *, const Elf_Internal_Rela *);
117 extern asection *_bfd_sparc_elf_gc_mark_hook
118 (asection *, struct bfd_link_info *,
119 Elf_Internal_Rela *, struct elf_link_hash_entry *,
121 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
122 (struct bfd_link_info *, struct elf_link_hash_entry *);
123 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
124 (bfd *, struct bfd_link_info *, asection *);
125 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
126 (bfd *, struct bfd_link_info *);
127 extern bfd_boolean _bfd_sparc_elf_new_section_hook
129 extern bfd_boolean _bfd_sparc_elf_relax_section
130 (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *);
131 extern bfd_boolean _bfd_sparc_elf_relocate_section
132 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
133 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
134 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
135 (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
136 Elf_Internal_Sym *sym);
137 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
138 (bfd *, struct bfd_link_info *);
139 extern bfd_boolean _bfd_sparc_elf_fixup_symbol
140 (struct bfd_link_info *, struct elf_link_hash_entry *);
141 extern bfd_boolean _bfd_sparc_elf_object_p
143 extern bfd_vma _bfd_sparc_elf_plt_sym_val
144 (bfd_vma, const asection *, const arelent *);
145 extern bfd_boolean _bfd_sparc_elf_merge_private_bfd_data
146 (bfd *, struct bfd_link_info *);