libcoff-in.h

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  (bfd_link_hash_traverse						\
   (&(table)->root,							\
    (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),	\
    (info)))

/* Get the COFF linker hash table from a link_info structure.  */

#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))

/* Functions in coffgen.c.  */
extern const bfd_target *coff_object_p PARAMS ((bfd *));
extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
extern long coff_get_symtab PARAMS ((bfd *, asymbol **));
extern int coff_count_linenumbers PARAMS ((bfd *));
extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
extern boolean coff_renumber_symbols PARAMS ((bfd *, int *));
extern void coff_mangle_symbols PARAMS ((bfd *));
extern boolean coff_write_symbols PARAMS ((bfd *));
extern boolean coff_write_linenumbers PARAMS ((bfd *));
extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
				       bfd_print_symbol_type how));
extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
					  symbol_info *ret));
extern boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *));
extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
						    unsigned long));
extern boolean coff_find_nearest_line PARAMS ((bfd *,
					       asection *,
					       asymbol **,
					       bfd_vma offset,
					       CONST char **filename_ptr,
					       CONST char **functionname_ptr,
					       unsigned int *line_ptr));
extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
extern boolean bfd_coff_reloc16_relax_section
  PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
	   bfd_byte *, boolean relocateable, asymbol **));
extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
						   struct bfd_link_info *,
						   asection *));
extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip,
				      asection *input_section,
				      bfd_vma val));

/* Functions and types in cofflink.c.  */

#define STRING_SIZE_SIZE (4)

/* We use a hash table to merge identical enum, struct, and union
   definitions in the linker.  */

/* Information we keep for a single element (an enum value, a
   structure or union field) in the debug merge hash table.  */

struct coff_debug_merge_element
{
  /* Next element.  */
  struct coff_debug_merge_element *next;

  /* Name.  */
  const char *name;

  /* Type.  */
  unsigned int type;

  /* Symbol index for complex type.  */
  long tagndx;
};

/* A linked list of debug merge entries for a given name.  */

struct coff_debug_merge_type
{
  /* Next type with the same name.  */
  struct coff_debug_merge_type *next;

  /* Class of type.  */
  int class;

  /* Symbol index where this type is defined.  */
  long indx;

  /* List of elements.  */
  struct coff_debug_merge_element *elements;
};

/* Information we store in the debug merge hash table.  */

struct coff_debug_merge_hash_entry
{
  struct bfd_hash_entry root;

  /* A list of types with this name.  */
  struct coff_debug_merge_type *types;
};

/* The debug merge hash table.  */

struct coff_debug_merge_hash_table
{
  struct bfd_hash_table root;
};

/* Initialize a COFF debug merge hash table.  */

#define coff_debug_merge_hash_table_init(table) \
  (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))

/* Free a COFF debug merge hash table.  */

#define coff_debug_merge_hash_table_free(table) \
  (bfd_hash_table_free (&(table)->root))

/* Look up an entry in a COFF debug merge hash table.  */

#define coff_debug_merge_hash_lookup(table, string, create, copy) \
  ((struct coff_debug_merge_hash_entry *) \
   bfd_hash_lookup (&(table)->root, (string), (create), (copy)))

/* Information we keep for each section in the output file when doing
   a relocateable link.  */

struct coff_link_section_info
{
  /* The relocs to be output.  */
  struct internal_reloc *relocs;
  /* For each reloc against a global symbol whose index was not known
     when the reloc was handled, the global hash table entry.  */
  struct coff_link_hash_entry **rel_hashes;
};

/* Information that we pass around while doing the final link step.  */

struct coff_final_link_info
{
  /* General link information.  */
  struct bfd_link_info *info;
  /* Output BFD.  */
  bfd *output_bfd;
  /* Used to indicate failure in traversal routine.  */
  boolean failed;
  /* If doing "task linking" set only during the time when we want the
     global symbol writer to convert the storage class of defined global
     symbols from global to static. */
  boolean global_to_static;
  /* Hash table for long symbol names.  */
  struct bfd_strtab_hash *strtab;
  /* When doing a relocateable link, an array of information kept for
     each output section, indexed by the target_index field.  */
  struct coff_link_section_info *section_info;
  /* Symbol index of last C_FILE symbol (-1 if none).  */
  long last_file_index;
  /* Contents of last C_FILE symbol.  */
  struct internal_syment last_file;
  /* Symbol index of first aux entry of last .bf symbol with an empty
     endndx field (-1 if none).  */
  long last_bf_index;
  /* Contents of last_bf_index aux entry.  */
  union internal_auxent last_bf;
  /* Hash table used to merge debug information.  */
  struct coff_debug_merge_hash_table debug_merge;
  /* Buffer large enough to hold swapped symbols of any input file.  */
  struct internal_syment *internal_syms;
  /* Buffer large enough to hold sections of symbols of any input file.  */
  asection **sec_ptrs;
  /* Buffer large enough to hold output indices of symbols of any
     input file.  */
  long *sym_indices;
  /* Buffer large enough to hold output symbols for any input file.  */
  bfd_byte *outsyms;
  /* Buffer large enough to hold external line numbers for any input
     section.  */
  bfd_byte *linenos;
  /* Buffer large enough to hold any input section.  */
  bfd_byte *contents;
  /* Buffer large enough to hold external relocs of any input section.  */
  bfd_byte *external_relocs;
  /* Buffer large enough to hold swapped relocs of any input section.  */
  struct internal_reloc *internal_relocs;
};

/* Most COFF variants have no way to record the alignment of a
   section.  This struct is used to set a specific alignment based on
   the name of the section.  */

struct coff_section_alignment_entry
{
  /* The section name.  */
  const char *name;

  /* This is either (unsigned int) -1, indicating that the section
     name must match exactly, or it is the number of letters which
     must match at the start of the name.  */
  unsigned int comparison_length;

  /* These macros may be used to fill in the first two fields in a
     structure initialization.  */
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)

  /* Only use this entry if the default section alignment for this
     target is at least that much (as a power of two).  If this field
     is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
  unsigned int default_alignment_min;

  /* Only use this entry if the default section alignment for this
     target is no greater than this (as a power of two).  If this
     field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored.  */
  unsigned int default_alignment_max;

#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)

  /* The desired alignment for this section (as a power of two).  */
  unsigned int alignment_power;
};

extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern boolean _bfd_coff_link_hash_table_init
  PARAMS ((struct coff_link_hash_table *, bfd *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *)));
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
  PARAMS ((bfd *));
extern const char *_bfd_coff_internal_syment_name
  PARAMS ((bfd *, const struct internal_syment *, char *));
extern boolean _bfd_coff_link_add_symbols
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean _bfd_coff_final_link
  PARAMS ((bfd *, struct bfd_link_info *));
extern struct internal_reloc *_bfd_coff_read_internal_relocs
  PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
	   struct internal_reloc *));
extern boolean _bfd_coff_generic_relocate_section
  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
	   struct internal_reloc *, struct internal_syment *, asection **));

extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern boolean _bfd_coff_write_global_sym
  PARAMS ((struct coff_link_hash_entry *, PTR));
extern boolean _bfd_coff_write_task_globals
  PARAMS ((struct coff_link_hash_entry *, PTR));
extern boolean _bfd_coff_link_input_bfd
  PARAMS ((struct coff_final_link_info *, bfd *));
extern boolean _bfd_coff_reloc_link_order
  PARAMS ((bfd *, struct coff_final_link_info *, asection *,
	   struct bfd_link_order *));


#define coff_get_section_contents_in_window \
  _bfd_generic_get_section_contents_in_window

/* Functions in xcofflink.c.  */

extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
extern long _bfd_xcoff_canonicalize_dynamic_symtab
  PARAMS ((bfd *, asymbol **));
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
extern long _bfd_xcoff_canonicalize_dynamic_reloc
  PARAMS ((bfd *, arelent **, asymbol **));
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
  PARAMS ((bfd *));
extern boolean _bfd_xcoff_bfd_link_add_symbols
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean _bfd_xcoff_bfd_final_link
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean _bfd_ppc_xcoff_relocate_section
  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
	   struct internal_reloc *, struct internal_syment *, asection **));

/* Functions in coff-ppc.c.  FIXME: These are called be pe.em in the
   linker, and so should start with bfd and be declared in bfd.h.  */

extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *));
extern boolean ppc_process_before_allocation
  PARAMS ((bfd *, struct bfd_link_info *));

/* And more taken from the source .. */