1 /* SPARC ELF specific backend routines.
2 Copyright (C) 2005-2016 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;
51 bfd_signed_vma refcount;
55 /* Small local sym cache. */
56 struct sym_cache sym_cache;
58 /* Used by local STT_GNU_IFUNC symbols. */
59 htab_t loc_hash_table;
60 void *loc_hash_memory;
62 /* True if the target system is VxWorks. */
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 void _bfd_sparc_elf_info_to_howto
98 (bfd *, arelent *, Elf_Internal_Rela *);
99 extern reloc_howto_type *_bfd_sparc_elf_info_to_howto_ptr
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_gc_sweep_hook
119 (bfd *, struct bfd_link_info *,
120 asection *, const Elf_Internal_Rela *);
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_object_p
141 extern bfd_vma _bfd_sparc_elf_plt_sym_val
142 (bfd_vma, const asection *, const arelent *);
143 extern bfd_boolean _bfd_sparc_elf_merge_private_bfd_data
144 (bfd *, struct bfd_link_info *);