libaout.h

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  asection *bsssec;

  /* We remember these offsets so that after check_file_format, we have
     no dependencies on the particular format of the exec_hdr.  */
  file_ptr sym_filepos;
  file_ptr str_filepos;

  /* Size of a relocation entry in external form */
  unsigned reloc_entry_size;

  /* Size of a symbol table entry in external form */
  unsigned symbol_entry_size;

  /* Page size - needed for alignment of demand paged files. */
  unsigned long page_size;

  /* Segment size - needed for alignment of demand paged files. */
  unsigned long segment_size;

  /* Zmagic disk block size - need to align the start of the text
     section in ZMAGIC binaries.  Normally the same as page_size.  */
  unsigned long zmagic_disk_block_size;

  unsigned exec_bytes_size;
  unsigned vma_adjusted : 1;

  /* used when a bfd supports several highly similar formats */
  enum
    {
      default_format = 0,
      /* Used on HP 9000/300 running HP/UX.  See hp300hpux.c.  */
      gnu_encap_format,
      /* Used on Linux, 386BSD, etc.  See include/aout/aout64.h.  */
      q_magic_format
    } subformat;

  enum
    {
      undecided_magic = 0,
      z_magic,
      o_magic,
      n_magic
    } magic;

  /* A buffer for find_nearest_line.  */
  char *line_buf;

  /* The external symbol information.  */
  struct external_nlist *external_syms;
  bfd_size_type external_sym_count;
  bfd_window sym_window;
  char *external_strings;
  bfd_size_type external_string_size;
  bfd_window string_window;
  struct aout_link_hash_entry **sym_hashes;

  /* A pointer for shared library information.  */
  PTR dynamic_info;

  /* A mapping from local symbols to offsets into the global offset
     table, used when linking on SunOS.  This is indexed by the symbol
     index.  */
  bfd_vma *local_got_offsets;
};

struct  aout_data_struct {
    struct aoutdata a;
    struct internal_exec e;
};

#define	adata(bfd)		((bfd)->tdata.aout_data->a)
#define	exec_hdr(bfd)		(adata(bfd).hdr)
#define	obj_aout_symbols(bfd)	(adata(bfd).symbols)
#define	obj_textsec(bfd)	(adata(bfd).textsec)
#define	obj_datasec(bfd)	(adata(bfd).datasec)
#define	obj_bsssec(bfd)		(adata(bfd).bsssec)
#define	obj_sym_filepos(bfd)	(adata(bfd).sym_filepos)
#define	obj_str_filepos(bfd)	(adata(bfd).str_filepos)
#define	obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
#define	obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
#define obj_aout_subformat(bfd)	(adata(bfd).subformat)
#define obj_aout_external_syms(bfd) (adata(bfd).external_syms)
#define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count)
#define obj_aout_sym_window(bfd) (adata(bfd).sym_window)
#define obj_aout_external_strings(bfd) (adata(bfd).external_strings)
#define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size)
#define obj_aout_string_window(bfd) (adata(bfd).string_window)
#define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes)
#define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info)

/* We take the address of the first element of an asymbol to ensure that the
   macro is only ever applied to an asymbol */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))

/* Information we keep for each a.out section.  This is currently only
   used by the a.out backend linker.  */

struct aout_section_data_struct
{
  /* The unswapped relocation entries for this section.  */
  PTR relocs;
};

#define aout_section_data(s) \
  ((struct aout_section_data_struct *) (s)->used_by_bfd)

#define set_aout_section_data(s,v) \
  ((s)->used_by_bfd = (PTR)&(v)->relocs)

/* Prototype declarations for functions defined in aoutx.h  */

boolean
NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));

boolean
NAME(aout,make_sections) PARAMS ((bfd *));

const bfd_target *
NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
				       struct internal_exec *execp,
				       const bfd_target *(*callback)(bfd *)));

boolean
NAME(aout,mkobject) PARAMS ((bfd *abfd));

enum machine_type
NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
				 unsigned long machine,
				 boolean *unknown));

boolean
NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
		 		  unsigned long machine));

boolean
NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));

boolean
NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
			 PTR location, file_ptr offset, bfd_size_type count));

asymbol *
NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));

boolean
NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *,
					   struct external_nlist *,
					   bfd_size_type, char *,
					   bfd_size_type,
					   boolean dynamic));

boolean
NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));

boolean
NAME(aout,write_syms) PARAMS ((bfd *abfd));

void
NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));

long
NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));

long
NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));

void
NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
				      arelent *, asymbol **, bfd_size_type));
void
NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
				      arelent *, asymbol **, bfd_size_type));

reloc_howto_type *
NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd,
				      bfd_reloc_code_real_type code));

boolean
NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
				      asymbol **symbols));

long
NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
				       arelent **relptr, asymbol **symbols));

long
NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));

void
NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));

alent *
NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));

void
NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
			    asymbol *symbol, bfd_print_symbol_type how));

void
NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
                           asymbol *symbol, symbol_info *ret));

boolean
NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
      asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
      CONST char **functionname_ptr, unsigned int *line_ptr));

long
NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *));

asymbol *
NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
					 asymbol *));

int
NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));

boolean
NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
       bfd_size_type *text_size, file_ptr *text_end));

void
NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
       struct external_exec *raw_bytes, struct internal_exec *execp));

void
NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
       struct internal_exec *execp, struct external_exec *raw_bytes));

struct bfd_hash_entry *
NAME(aout,link_hash_newfunc)
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));

boolean
NAME(aout,link_hash_table_init)
     PARAMS ((struct aout_link_hash_table *, bfd *,
	      struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
					  struct bfd_hash_table *,
					  const char *)));

struct bfd_link_hash_table *
NAME(aout,link_hash_table_create) PARAMS ((bfd *));

boolean
NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));

boolean
NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *,
			       void (*) (bfd *, file_ptr *, file_ptr *,
					 file_ptr *)));

boolean
NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));

/* A.out uses the generic versions of these routines... */

#define	aout_32_get_section_contents	_bfd_generic_get_section_contents

#define	aout_64_get_section_contents	_bfd_generic_get_section_contents
#ifndef NO_WRITE_HEADER_KLUDGE
#define NO_WRITE_HEADER_KLUDGE 0
#endif

#ifndef aout_32_bfd_is_local_label_name
#define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
#endif

#ifndef WRITE_HEADERS
#define WRITE_HEADERS(abfd, execp)					      \
      {									      \
	bfd_size_type text_size; /* dummy vars */			      \
	file_ptr text_end;						      \
	if (adata(abfd).magic == undecided_magic)			      \
	  NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);     \
    									      \
	execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;	      \
	execp->a_entry = bfd_get_start_address (abfd);			      \
    									      \
	execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *		      \
			   obj_reloc_entry_size (abfd));		      \
	execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *		      \
			   obj_reloc_entry_size (abfd));		      \
	NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes);	      \
									      \
	if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false;	      \
	if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)	      \
	    != EXEC_BYTES_SIZE)						      \
	  return false;							      \
	/* Now write out reloc info, followed by syms and strings */	      \
  									      \
	if (bfd_get_outsymbols (abfd) != (asymbol **) NULL		      \
	    && bfd_get_symcount (abfd) != 0) 				      \
	  {								      \
	    if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \
	      return false;						      \
									      \
	    if (! NAME(aout,write_syms)(abfd)) return false;		      \
	  }								      \
									      \
	if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0)    \
	  return false;						      	      \
	if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd)))         \
	  return false;						      	      \
									      \
	if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0)    \
	  return false;						      	      \
	if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd)))          \
	  return false;						      	      \
      }									      
#endif

#endif /* ! defined (LIBAOUT_H) */