Tue Jan 9 15:22:53 1996 David Mosberger-Tang <davidm@azstarnet.com>

	* coff-alpha.c (alpha_relocate_section): During final link, allow
 	output .lita section to be bigger than 64k by adjusting gp value
 	on a per-input section basis.
	* libecoff.h (struct ecoff_tdata): Add issued_multiple_gp_warning
	field.
	(struct ecoff_section_tdata): Add gp field.

Tue Jan  9 12:00:36 1996  Ian Lance Taylor  <ian@cygnus.com>

	Handle Alpha ECOFF changes in OSF/1 3.2.
	* libecoff.h (struct ecoff_backend_data): Add get_elt_at_filepos
	field.
	* coff-alpha.c: Include "aout/ar.h".
	(alpha_ecoff_get_relocated_section_contents): Don't require an
	ALPHA_R_IGNORE reloc after an ALPHA_R_GPDISP reloc, since OSF/1
	3.2 doesn't generate one.
	(alpha_relocate_section): Likewise.
	(alpha_ecoff_slurp_armap): Define.
	(alpha_ecoff_slurp_extended_name_table): Define.
	(alpha_ecoff_construct_extended_name_table): Define.
	(alpha_ecoff_truncate_arname): Define.
	(alpha_ecoff_write_armap): Define.
	(alpha_ecoff_generic_stat_arch_elt): Define.
	(alpha_ecoff_update_armap_timestamp): Define.
	(ARFZMAG): Define.
	(alpha_ecoff_read_ar_hdr): New static function.
	(alpha_ecoff_get_elt_at_filepos): New static function.
	(alpha_ecoff_openr_next_archived_file): New static function.
	(alpha_ecoff_get_elt_at_index): New static function.
	(alpha_ecoff_backend_data): Initialize get_elt_at_filepos field.
	(ecoffalpha_little_vec): Change BFD_JUMP_TABLE_ARCHIVE from
	_bfd_ecoff to alpha_ecoff.
	* ecoff.c (ecoff_link_add_archive_symbols): Use get_elt_at_filepos
	field from backend structure, rather than always calling
	_bfd_get_elt_at_filepos.
	* coff-mips.c (mips_ecoff_backend_data): Initialize
	get_elt_at_filepos field.
	* archive.c (_bfd_generic_read_ar_hdr_mag): New function, copied
	from _bfd_generic_read_ar_hdr with minor changes.
	(_bfd_generic_read_ar_hdr): Use _bfd_generic_read_ar_hdr_mag.
	* libbfd-in.h (_bfd_generic_read_ar_hdr_mag): Declare.
	* libbfd.h: Rebuild.

	* bfd-in.h (BFD_IN_MEMORY): Define.
	* libbfd-in.h (struct bfd_in_memory): Define.
	* libbfd.c (bfd_read): Handle BFD_IN_MEMORY flag.
	(bfd_get_file_window): Don't try to map a BFD_IN_MEMORY file.
	(bfd_write, bfd_stat): Abort if BFD_IN_MEMORY is set.
	(bfd_tell, bfd_flush, bfd_seek): Handle BFD_IN_MEMORY flag.
	* bfd.c (struct _bfd): Change iostream field from char * to PTR.
	(bfd_get_size): Handle BFD_IN_MEMORY flag.
	* cache.c (bfd_cache_close): Ignore BFD_IN_MEMORY files.
	(bfd_open_file): Cast to PTR, not char *, when setting iostream.
	(bfd_cache_lookup_worker): Abort if BFD_IN_MEMORY is set.
	* opncls.c (bfd_fdopenr): Cast to PTR, not char *, when setting
	iostream.
	(bfd_openstreamr): Likewise.
	* aoutx.h (NAME(aout,some_aout_object_p)): Only fstat iostream if
	BFD_IN_MEMORY is not set.
	* riscix.c (riscix_some_aout_object_p): Likewise.
	* bfd-in2.h, libbfd.h: Rebuild.

	* targets.c (bfd_target): Add _bfd_get_elt_at_index field.
	(BFD_JUMP_TABLE_ARCHIVE): Add _get_elt_at_index.
	(bfd_get_elt_at_index): Define.
	* archive.c (_bfd_generic_get_elt_at_index): Rename from
	bfd_get_elt_at_index.  Change index parameter from int to
	symindex.
	* libbfd-in.h (_bfd_generic_get_elt_at_index): Declare.
	(_bfd_noarchive_get_elt_at_index): Define.
	(_bfd_archive_bsd_get_elt_at_index): Define.
	(_bfd_archive_coff_get_elt_at_index): Define.
	* bfd-in2.h, libbfd.h: Rebuild.
	* aout-target.h (MY_get_elt_at_index): Define if not defined.
	* coff-rs6000.c (xcoff_get_elt_at_index): Define.
	* ieee.c (ieee_get_elt_at_index): Define.
	* libecoff.h (_bfd_ecoff_get_elt_at_index): Define.
	* oasys.c (oasys_get_elt_at_index): Define.
	* som.c (som_get_elt_at_index): Define.

1 files changed, 14 insertions, 12 deletions

diff --git a/bfd/coff-mips.c b/bfd/coff-mips.c
index 51a5ecd..bab8beb 100644
--- a/bfd/coff-mips.c
+++ b/bfd/coff-mips.c
@@ -396,12 +396,12 @@ mips_ecoff_bad_format_hook (abfd, filehdr)
     case MIPS_MAGIC_BIG:
     case MIPS_MAGIC_BIG2:
     case MIPS_MAGIC_BIG3:
-      return abfd->xvec->byteorder_big_p;
+      return bfd_big_endian (abfd);
 
     case MIPS_MAGIC_LITTLE:
     case MIPS_MAGIC_LITTLE2:
     case MIPS_MAGIC_LITTLE3:
-      return abfd->xvec->byteorder_big_p == false;
+      return bfd_little_endian (abfd);
 
     default:
       return false;
@@ -423,7 +423,7 @@ mips_ecoff_swap_reloc_in (abfd, ext_ptr, intern)
   const RELOC *ext = (RELOC *) ext_ptr;
 
   intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr);
-  if (abfd->xvec->header_byteorder_big_p != false)
+  if (bfd_header_big_endian (abfd))
     {
       intern->r_symndx = (((int) ext->r_bits[0]
 			   << RELOC_BITS0_SYMNDX_SH_LEFT_BIG)
@@ -500,7 +500,7 @@ mips_ecoff_swap_reloc_out (abfd, intern, dst)
     }
 
   bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr);
-  if (abfd->xvec->header_byteorder_big_p != false)
+  if (bfd_header_big_endian (abfd))
     {
       ext->r_bits[0] = r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG;
       ext->r_bits[1] = r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG;
@@ -1190,8 +1190,8 @@ mips_relocate_section (output_bfd, info, input_bfd, input_section,
   boolean got_lo;
   struct internal_reloc lo_int_rel;
 
-  BFD_ASSERT (input_bfd->xvec->header_byteorder_big_p
-	      == output_bfd->xvec->header_byteorder_big_p);
+  BFD_ASSERT (input_bfd->xvec->header_byteorder
+	      == output_bfd->xvec->header_byteorder);
 
   /* We keep a table mapping the symndx found in an internal reloc to
      the appropriate section.  This is faster than looking up the
@@ -1927,7 +1927,7 @@ mips_relax_section (abfd, sec, info, again)
 	continue;
 
       /* Quickly check that this reloc is external PCREL16.  */
-      if (abfd->xvec->header_byteorder_big_p)
+      if (bfd_header_big_endian (abfd))
 	{
 	  if ((ext_rel->r_bits[3] & RELOC_BITS3_EXTERN_BIG) == 0
 	      || (((ext_rel->r_bits[3] & RELOC_BITS3_TYPE_BIG)
@@ -2488,7 +2488,9 @@ static const struct ecoff_backend_data mips_ecoff_backend_data =
   /* Relocate section contents while linking.  */
   mips_relocate_section,
   /* Do final adjustments to filehdr and aouthdr.  */
-  NULL
+  NULL,
+  /* Read an element from an archive at a given file position.  */
+  _bfd_get_elt_at_filepos
 };
 
 /* Looking up a reloc type is MIPS specific.  */
@@ -2509,8 +2511,8 @@ const bfd_target ecoff_little_vec =
 {
   "ecoff-littlemips",		/* name */
   bfd_target_ecoff_flavour,
-  false,			/* data byte order is little */
-  false,			/* header byte order is little */
+  BFD_ENDIAN_LITTLE,		/* data byte order is little */
+  BFD_ENDIAN_LITTLE,		/* header byte order is little */
 
   (HAS_RELOC | EXEC_P |		/* object flags */
    HAS_LINENO | HAS_DEBUG |
@@ -2551,8 +2553,8 @@ const bfd_target ecoff_big_vec =
 {
   "ecoff-bigmips",		/* name */
   bfd_target_ecoff_flavour,
-  true,				/* data byte order is big */
-  true,				/* header byte order is big */
+  BFD_ENDIAN_BIG,		/* data byte order is big */
+  BFD_ENDIAN_BIG,		/* header byte order is big */
 
   (HAS_RELOC | EXEC_P |		/* object flags */
    HAS_LINENO | HAS_DEBUG |