2007-02-13 Paolo Bonzini <bonzini@gnu.org>
[binutils.git] / bfd / elfxx-sparc.h
blob0a5a88b6fe36ec0d7b1ac946fb1b5b6a319073ea
1 /* SPARC ELF specific backend routines.
2 Copyright 2005 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 2 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, MA 02110-1301, USA. */
20 #include "elf/common.h"
21 #include "elf/internal.h"
23 struct _bfd_sparc_elf_section_data
25 struct bfd_elf_section_data elf;
26 unsigned int do_relax, reloc_count;
29 #define sec_do_relax(sec) \
30 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->do_relax
31 #define canon_reloc_count(sec) \
32 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->reloc_count
34 struct _bfd_sparc_elf_app_reg
36 unsigned char bind;
37 unsigned short shndx;
38 bfd *abfd;
39 char *name;
42 /* Sparc ELF linker hash table. */
44 struct _bfd_sparc_elf_link_hash_table
46 struct elf_link_hash_table elf;
48 /* Short-cuts to get to dynamic linker sections. */
49 asection *sgot;
50 asection *srelgot;
51 asection *splt;
52 asection *srelplt;
53 asection *sdynbss;
54 asection *srelbss;
56 union {
57 bfd_signed_vma refcount;
58 bfd_vma offset;
59 } tls_ldm_got;
61 /* Small local sym to section mapping cache. */
62 struct sym_sec_cache sym_sec;
64 /* True if the target system is VxWorks. */
65 int is_vxworks;
67 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
68 asection *srelplt2;
70 /* .got.plt is only used on VxWorks. */
71 asection *sgotplt;
73 void (*put_word) (bfd *, bfd_vma, void *);
74 void (*append_rela) (bfd *, asection *, Elf_Internal_Rela *);
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 void _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 (unsigned int);
104 extern bfd_boolean _bfd_sparc_elf_mkobject
105 (bfd *);
106 extern struct bfd_link_hash_table *_bfd_sparc_elf_link_hash_table_create
107 (bfd *);
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 *,
120 Elf_Internal_Sym *);
121 extern bfd_boolean _bfd_sparc_elf_gc_sweep_hook
122 (bfd *, struct bfd_link_info *,
123 asection *, const Elf_Internal_Rela *);
124 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
125 (struct bfd_link_info *, struct elf_link_hash_entry *);
126 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
127 (bfd *, struct bfd_link_info *, asection *);
128 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
129 (bfd *, struct bfd_link_info *);
130 extern bfd_boolean _bfd_sparc_elf_new_section_hook
131 (bfd *, asection *);
132 extern bfd_boolean _bfd_sparc_elf_relax_section
133 (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *);
134 extern bfd_boolean _bfd_sparc_elf_relocate_section
135 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
136 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
137 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
138 (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
139 Elf_Internal_Sym *sym);
140 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
141 (bfd *, struct bfd_link_info *);
142 extern bfd_boolean _bfd_sparc_elf_object_p
143 (bfd *);
144 extern bfd_vma _bfd_sparc_elf_plt_sym_val
145 (bfd_vma, const asection *, const arelent *);