bfd-in2.h

基于4个mips核的noc设计

{
  /* Next entry for this hash code.  */
  struct bfd_hash_entry *next;
  /* String being hashed.  */
  const char *string;
  /* Hash code.  This is the full hash code, not the index into the
     table.  */
  unsigned long hash;
};

/* A hash table.  */

struct bfd_hash_table
{
  /* The hash array.  */
  struct bfd_hash_entry **table;
  /* The number of slots in the hash table.  */
  unsigned int size;
  /* A function used to create new elements in the hash table.  The
     first entry is itself a pointer to an element.  When this
     function is first invoked, this pointer will be NULL.  However,
     having the pointer permits a hierarchy of method functions to be
     built each of which calls the function in the superclass.  Thus
     each function should be written to allocate a new block of memory
     only if the argument is NULL.  */
  struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
					     struct bfd_hash_table *,
					     const char *));
   /* An objalloc for this hash table.  This is a struct objalloc *,
     but we use PTR to avoid requiring the inclusion of objalloc.h.  */
  PTR memory;
};

/* Initialize a hash table.  */
extern boolean bfd_hash_table_init
  PARAMS ((struct bfd_hash_table *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *)));

/* Initialize a hash table specifying a size.  */
extern boolean bfd_hash_table_init_n
  PARAMS ((struct bfd_hash_table *,
	   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
				       struct bfd_hash_table *,
				       const char *),
	   unsigned int size));

/* Free up a hash table.  */
extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));

/* Look up a string in a hash table.  If CREATE is true, a new entry
   will be created for this string if one does not already exist.  The
   COPY argument must be true if this routine should copy the string
   into newly allocated memory when adding an entry.  */
extern struct bfd_hash_entry *bfd_hash_lookup
  PARAMS ((struct bfd_hash_table *, const char *, boolean create,
	   boolean copy));

/* Replace an entry in a hash table.  */
extern void bfd_hash_replace
  PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
	   struct bfd_hash_entry *nw));

/* Base method for creating a hash table entry.  */
extern struct bfd_hash_entry *bfd_hash_newfunc
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
	   const char *));

/* Grab some space for a hash table entry.  */
extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
				      unsigned int));

/* Traverse a hash table in a random order, calling a function on each
   element.  If the function returns false, the traversal stops.  The
   INFO argument is passed to the function.  */
extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
				       boolean (*) (struct bfd_hash_entry *,
						    PTR),
				       PTR info));

/* Semi-portable string concatenation in cpp.
   The CAT4 hack is to avoid a problem with some strict ANSI C preprocessors.
   The problem is, "32_" is not a valid preprocessing token, and we don't
   want extra underscores (e.g., "nlm_32_").  The XCAT2 macro will cause the
   inner CAT macros to be evaluated first, producing still-valid pp-tokens.
   Then the final concatenation can be done.  (Sigh.)  */
#ifndef CAT
#ifdef SABER
#define CAT(a,b)	a##b
#define CAT3(a,b,c)	a##b##c
#define CAT4(a,b,c,d)	a##b##c##d
#else
#if defined(__STDC__) || defined(ALMOST_STDC)
#define CAT(a,b) a##b
#define CAT3(a,b,c) a##b##c
#define XCAT2(a,b)	CAT(a,b)
#define CAT4(a,b,c,d)	XCAT2(CAT(a,b),CAT(c,d))
#else
#define CAT(a,b) a/**/b
#define CAT3(a,b,c) a/**/b/**/c
#define CAT4(a,b,c,d)	a/**/b/**/c/**/d
#endif
#endif
#endif

#define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table

/* User program access to BFD facilities */

/* Direct I/O routines, for programs which know more about the object
   file than BFD does.  Use higher level routines if possible.  */

extern bfd_size_type bfd_read
  PARAMS ((PTR, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
extern bfd_size_type bfd_write
  PARAMS ((const PTR, bfd_size_type size, bfd_size_type nitems, bfd *abfd));
extern int bfd_seek PARAMS ((bfd *abfd, file_ptr fp, int direction));
extern long bfd_tell PARAMS ((bfd *abfd));
extern int bfd_flush PARAMS ((bfd *abfd));
extern int bfd_stat PARAMS ((bfd *abfd, struct stat *));

/* Cast from const char * to char * so that caller can assign to
   a char * without a warning.  */
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
#define bfd_get_format(abfd) ((abfd)->format)
#define bfd_get_target(abfd) ((abfd)->xvec->name)
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
#define bfd_family_coff(abfd) \
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
#define bfd_header_big_endian(abfd) \
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
#define bfd_header_little_endian(abfd) \
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
#define bfd_get_file_flags(abfd) ((abfd)->flags)
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
#define bfd_my_archive(abfd) ((abfd)->my_archive)
#define bfd_has_map(abfd) ((abfd)->has_armap)

#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
#define bfd_usrdata(abfd) ((abfd)->usrdata)

#define bfd_get_start_address(abfd) ((abfd)->start_address)
#define bfd_get_symcount(abfd) ((abfd)->symcount)
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
#define bfd_count_sections(abfd) ((abfd)->section_count)

#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)

#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)

extern boolean bfd_record_phdr
  PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
	   boolean, boolean, unsigned int, struct sec **));

/* Byte swapping routines.  */

bfd_vma		bfd_getb64	   PARAMS ((const unsigned char *));
bfd_vma 	bfd_getl64	   PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getb_signed_64 PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getl_signed_64 PARAMS ((const unsigned char *));
bfd_vma		bfd_getb32	   PARAMS ((const unsigned char *));
bfd_vma		bfd_getl32	   PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getb_signed_32 PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getl_signed_32 PARAMS ((const unsigned char *));
bfd_vma		bfd_getb16	   PARAMS ((const unsigned char *));
bfd_vma		bfd_getl16	   PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getb_signed_16 PARAMS ((const unsigned char *));
bfd_signed_vma	bfd_getl_signed_16 PARAMS ((const unsigned char *));
void		bfd_putb64	   PARAMS ((bfd_vma, unsigned char *));
void		bfd_putl64	   PARAMS ((bfd_vma, unsigned char *));
void		bfd_putb32	   PARAMS ((bfd_vma, unsigned char *));
void		bfd_putl32	   PARAMS ((bfd_vma, unsigned char *));
void		bfd_putb16	   PARAMS ((bfd_vma, unsigned char *));
void		bfd_putl16	   PARAMS ((bfd_vma, unsigned char *));

/* Byte swapping routines which take size and endiannes as arguments.  */

bfd_vma         bfd_get_bits       PARAMS ((bfd_byte *, int, boolean));
void            bfd_put_bits       PARAMS ((bfd_vma, bfd_byte *, int, boolean));

/* Externally visible ECOFF routines.  */

#if defined(__STDC__) || defined(ALMOST_STDC)
struct ecoff_debug_info;
struct ecoff_debug_swap;
struct ecoff_extr;
struct symbol_cache_entry;
struct bfd_link_info;
struct bfd_link_hash_entry;
struct bfd_elf_version_tree;
#endif
extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
extern boolean bfd_ecoff_set_regmasks
  PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
	   unsigned long *cprmask));
extern PTR bfd_ecoff_debug_init
  PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   struct bfd_link_info *));
extern void bfd_ecoff_debug_free
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   struct bfd_link_info *));
extern boolean bfd_ecoff_debug_accumulate
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap,
	   bfd *input_bfd, struct ecoff_debug_info *input_debug,
	   const struct ecoff_debug_swap *input_swap,
	   struct bfd_link_info *));
extern boolean bfd_ecoff_debug_accumulate_other
  PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
	   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
	   struct bfd_link_info *));
extern boolean bfd_ecoff_debug_externals
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   boolean relocateable,
	   boolean (*get_extr) (struct symbol_cache_entry *,
				struct ecoff_extr *),
	   void (*set_index) (struct symbol_cache_entry *,
			      bfd_size_type)));
extern boolean bfd_ecoff_debug_one_external
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   const char *name, struct ecoff_extr *esym));
extern bfd_size_type bfd_ecoff_debug_size
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap));
extern boolean bfd_ecoff_write_debug
  PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap, file_ptr where));
extern boolean bfd_ecoff_write_accumulated_debug
  PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
	   const struct ecoff_debug_swap *swap,
	   struct bfd_link_info *info, file_ptr where));
extern boolean bfd_mips_ecoff_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));

/* Externally visible ELF routines.  */

struct bfd_link_needed_list
{
  struct bfd_link_needed_list *next;
  bfd *by;
  const char *name;
};

extern boolean bfd_elf32_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
extern boolean bfd_elf64_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean bfd_elf_get_bfd_needed_list
  PARAMS ((bfd *, struct bfd_link_needed_list **));
extern boolean bfd_elf32_size_dynamic_sections
  PARAMS ((bfd *, const char *, const char *, boolean, const char *,
	   const char * const *, struct bfd_link_info *, struct sec **,
	   struct bfd_elf_version_tree *));
extern boolean bfd_elf64_size_dynamic_sections
  PARAMS ((bfd *, const char *, const char *, boolean, const char *,
	   const char * const *, struct bfd_link_info *, struct sec **,
	   struct bfd_elf_version_tree *));
extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
  PARAMS ((bfd *, struct bfd_link_info *));

/* Return an upper bound on the number of bytes required to store a
   copy of ABFD's program header table entries.  Return -1 if an error
   occurs; bfd_get_error will return an appropriate code.  */
extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));

/* Copy ABFD's program header table entries to *PHDRS.  The entries
   will be stored as an array of Elf_Internal_Phdr structures, as
   defined in include/elf/internal.h.  To find out how large the
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.

   Return the number of program header table entries read, or -1 if an
   error occurs; bfd_get_error will return an appropriate code.  */
extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));

/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
extern int bfd_get_arch_size PARAMS ((bfd *));

/* Return true if address "naturally" sign extends, or -1 if not elf.  */
extern int bfd_get_sign_extend_vma PARAMS ((bfd *));

extern boolean bfd_m68k_elf32_create_embedded_relocs
  PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
	   char **));

/* SunOS shared library support routines for the linker.  */

extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean bfd_sunos_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern boolean bfd_sunos_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
	   struct sec **));

/* Linux shared library support routines for the linker.  */

extern boolean bfd_i386linux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean bfd_m68klinux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));
extern boolean bfd_sparclinux_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *));

/* mmap hacks */

struct _bfd_window_internal;
typedef struct _bfd_window_internal bfd_window_internal;

typedef struct _bfd_window {
  /* What the user asked for.  */
  PTR data;
  bfd_size_type size;
  /* The actual window used by BFD.  Small user-requested read-only
     regions sharing a page may share a single window into the object
     file.  Read-write versions shouldn't until I've fixed things to
     keep track of which portions have been claimed by the
     application; don't want to give the same region back when the
     application wants two writable copies!  */
  struct _bfd_window_internal *i;
} bfd_window;

extern void bfd_init_window PARAMS ((bfd_window *));
extern void bfd_free_window PARAMS ((bfd_window *));
extern boolean bfd_get_file_window
  PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));

/* XCOFF support routines for the linker.  */

extern boolean bfd_xcoff_link_record_set
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
	   bfd_size_type));
extern boolean bfd_xcoff_import_symbol
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
	   bfd_vma, const char *, const char *, const char *));
extern boolean bfd_xcoff_export_symbol
  PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
	   boolean));
extern boolean bfd_xcoff_link_count_reloc
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern boolean bfd_xcoff_record_link_assignment
  PARAMS ((bfd *, struct bfd_link_info *, const char *));
extern boolean bfd_xcoff_size_dynamic_sections
  PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,