bfd/elf32-sh64.h

   1 /* SH ELF support for BFD.
   2    Copyright 2003, 2007 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   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.
  10
  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.
  15
  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 Foundation,
  18    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  19
  20 #ifndef ELF32_SH64_H
  21 #define ELF32_SH64_H
  22
  23 #define SH64_CRANGES_SECTION_NAME ".cranges"
  24 enum sh64_elf_cr_type {
  25   CRT_NONE = 0,
  26   CRT_DATA = 1,
  27   CRT_SH5_ISA16 = 2,
  28   CRT_SH5_ISA32 = 3
  29 };
  30
  31 /* The official definition is this:
  32
  33     typedef struct {
  34       Elf32_Addr cr_addr;
  35       Elf32_Word cr_size;
  36       Elf32_Half cr_type;
  37     } Elf32_CRange;
  38
  39    but we have no use for that exact type.  Instead we use this struct for
  40    the internal representation.  */
  41 typedef struct {
  42   bfd_vma cr_addr;
  43   bfd_size_type cr_size;
  44   enum sh64_elf_cr_type cr_type;
  45 } sh64_elf_crange;
  46
  47 #define SH64_CRANGE_SIZE (4 + 4 + 2)
  48 #define SH64_CRANGE_CR_ADDR_OFFSET 0
  49 #define SH64_CRANGE_CR_SIZE_OFFSET 4
  50 #define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4)
  51
  52 /* Get the contents type of an arbitrary address, or return CRT_NONE.  */
  53 extern enum sh64_elf_cr_type sh64_get_contents_type
  54   (asection *, bfd_vma, sh64_elf_crange *);
  55
  56 /* Simpler interface.
  57    FIXME: This seems redundant now that we export the interface above.  */
  58 extern bfd_boolean sh64_address_is_shmedia
  59   (asection *, bfd_vma);
  60
  61 extern int _bfd_sh64_crange_qsort_cmpb
  62   (const void *, const void *);
  63 extern int _bfd_sh64_crange_qsort_cmpl
  64   (const void *, const void *);
  65 extern int _bfd_sh64_crange_bsearch_cmpb
  66   (const void *, const void *);
  67 extern int _bfd_sh64_crange_bsearch_cmpl
  68   (const void *, const void *);
  69
  70 struct sh64_section_data
  71 {
  72   flagword contents_flags;
  73
  74   /* Only used in the cranges section, but we don't have an official
  75      backend-specific bfd field.  */
  76   bfd_size_type cranges_growth;
  77 };
  78
  79 struct _sh64_elf_section_data
  80 {
  81   struct bfd_elf_section_data elf;
  82   struct sh64_section_data *sh64_info;
  83 };
  84
  85 #define sh64_elf_section_data(sec) \
  86   ((struct _sh64_elf_section_data *) elf_section_data (sec))
  87
  88 #endif /* ELF32_SH64_H */