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[binutils.git] / bfd / elfxx-sparc.h
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1 /* SPARC ELF specific backend routines.
2 Copyright 2005, 2007 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
37 unsigned char bind;
38 unsigned short shndx;
39 bfd *abfd;
40 char *name;
43 /* Sparc ELF linker hash table. */
45 struct _bfd_sparc_elf_link_hash_table
47 struct elf_link_hash_table elf;
49 /* Short-cuts to get to dynamic linker sections. */
50 asection *sgot;
51 asection *srelgot;
52 asection *splt;
53 asection *srelplt;
54 asection *sdynbss;
55 asection *srelbss;
57 union {
58 bfd_signed_vma refcount;
59 bfd_vma offset;
60 } tls_ldm_got;
62 /* Small local sym to section mapping cache. */
63 struct sym_sec_cache sym_sec;
65 /* True if the target system is VxWorks. */
66 int is_vxworks;
68 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
69 asection *srelplt2;
71 /* .got.plt is only used on VxWorks. */
72 asection *sgotplt;
74 void (*put_word) (bfd *, bfd_vma, void *);
75 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
76 bfd_vma (*r_symndx) (bfd_vma);
77 int (*build_plt_entry) (bfd *, asection *, bfd_vma, bfd_vma, bfd_vma *);
78 const char *dynamic_interpreter;
79 int dynamic_interpreter_size;
80 unsigned int word_align_power;
81 unsigned int align_power_max;
82 unsigned int plt_header_size;
83 unsigned int plt_entry_size;
84 int bytes_per_word;
85 int bytes_per_rela;
86 int dtpoff_reloc;
87 int dtpmod_reloc;
88 int tpoff_reloc;
90 struct _bfd_sparc_elf_app_reg app_regs [4];
93 /* Get the SPARC ELF linker hash table from a link_info structure. */
95 #define _bfd_sparc_elf_hash_table(p) \
96 ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash))
98 extern reloc_howto_type *_bfd_sparc_elf_reloc_type_lookup
99 (bfd *, bfd_reloc_code_real_type);
100 extern reloc_howto_type *_bfd_sparc_elf_reloc_name_lookup
101 (bfd *, const char *);
102 extern void _bfd_sparc_elf_info_to_howto
103 (bfd *, arelent *, Elf_Internal_Rela *);
104 extern reloc_howto_type *_bfd_sparc_elf_info_to_howto_ptr
105 (unsigned int);
106 extern bfd_boolean _bfd_sparc_elf_mkobject
107 (bfd *);
108 extern struct bfd_link_hash_table *_bfd_sparc_elf_link_hash_table_create
109 (bfd *);
110 extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
111 (bfd *, struct bfd_link_info *);
112 extern void _bfd_sparc_elf_copy_indirect_symbol
113 (struct bfd_link_info *,
114 struct elf_link_hash_entry *,
115 struct elf_link_hash_entry *);
116 extern bfd_boolean _bfd_sparc_elf_check_relocs
117 (bfd *, struct bfd_link_info *,
118 asection *, const Elf_Internal_Rela *);
119 extern asection *_bfd_sparc_elf_gc_mark_hook
120 (asection *, struct bfd_link_info *,
121 Elf_Internal_Rela *, struct elf_link_hash_entry *,
122 Elf_Internal_Sym *);
123 extern bfd_boolean _bfd_sparc_elf_gc_sweep_hook
124 (bfd *, struct bfd_link_info *,
125 asection *, const Elf_Internal_Rela *);
126 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
127 (struct bfd_link_info *, struct elf_link_hash_entry *);
128 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
129 (bfd *, struct bfd_link_info *, asection *);
130 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
131 (bfd *, struct bfd_link_info *);
132 extern bfd_boolean _bfd_sparc_elf_new_section_hook
133 (bfd *, asection *);
134 extern bfd_boolean _bfd_sparc_elf_relax_section
135 (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *);
136 extern bfd_boolean _bfd_sparc_elf_relocate_section
137 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
138 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
139 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
140 (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
141 Elf_Internal_Sym *sym);
142 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
143 (bfd *, struct bfd_link_info *);
144 extern bfd_boolean _bfd_sparc_elf_object_p
145 (bfd *);
146 extern bfd_vma _bfd_sparc_elf_plt_sym_val
147 (bfd_vma, const asection *, const arelent *);