X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Flibnlm.h;h=00c89058b21c971220f0a8a8d9dfbd2d4898ca93;hb=d1778b88f8d8444f15ecf2dbbbf680c5659efb53;hp=53199bc1f1d5f664c346bb9f057d99b0398c4548;hpb=7389debf1cce959d9b36469d9cbff11e0f29587a;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/libnlm.h b/bfd/libnlm.h
index 53199bc1f1..00c89058b2 100644
--- a/bfd/libnlm.h
+++ b/bfd/libnlm.h
@@ -1,5 +1,5 @@
 /* BFD back-end data structures for NLM (NetWare Loadable Modules) files.
-   Copyright (C) 1993 Free Software Foundation, Inc.
+   Copyright 1993, 1994 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -16,7 +16,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifndef _LIBNLM_H_
 #define _LIBNLM_H_ 1
@@ -58,19 +58,19 @@ extern boolean nlm_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
 
 extern void nlmNAME(get_symbol_info)
      PARAMS ((bfd *, asymbol *, symbol_info *));
-extern unsigned int nlmNAME(get_symtab_upper_bound)
+extern long nlmNAME(get_symtab_upper_bound)
      PARAMS ((bfd *));
-extern unsigned int nlmNAME(get_symtab)
+extern long nlmNAME(get_symtab)
      PARAMS ((bfd *, asymbol **));
 extern asymbol *nlmNAME(make_empty_symbol)
      PARAMS ((bfd *));
 extern void nlmNAME(print_symbol)
      PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
-extern unsigned int nlmNAME(get_reloc_upper_bound)
+extern long nlmNAME(get_reloc_upper_bound)
      PARAMS ((bfd *, asection *));
-extern unsigned int nlmNAME(canonicalize_reloc)
+extern long nlmNAME(canonicalize_reloc)
      PARAMS ((bfd *, asection *, arelent **, asymbol **));
-extern bfd_target *nlmNAME(object_p)
+extern const bfd_target *nlmNAME(object_p)
      PARAMS ((bfd *));
 extern boolean nlmNAME(set_arch_mach)
      PARAMS ((bfd *, enum bfd_architecture, unsigned long));
@@ -91,6 +91,7 @@ struct nlm_obj_tdata
   Nlm_Internal_Copyright_Header	nlm_copyright_hdr[1];
   Nlm_Internal_Extended_Header	nlm_extended_hdr[1];
   Nlm_Internal_Custom_Header	nlm_custom_hdr[1];
+  Nlm_Internal_Cygnus_Ext_Header nlm_cygnus_ext_hdr[1];
   /* BFD NLM symbols.  */
   nlmNAME(symbol_type)		*nlm_symbols;
   /* Lowest text and data VMA values.  */
@@ -99,6 +100,20 @@ struct nlm_obj_tdata
   /* Caches for data read from object file.  */
   arelent *			nlm_reloc_fixups;
   asection **			nlm_reloc_fixup_secs;
+  /* Backend specific information.  This should probably be a pointer,
+     but that would require yet another entry point to initialize the
+     structure.  */
+  union
+    {
+      struct	/* Alpha backend information.  */
+	{
+	  bfd_vma gp;			/* GP value.  */
+	  bfd_vma lita_address;		/* .lita section address.  */
+	  bfd_size_type lita_size;	/* .lita section size.  */
+	}
+      alpha_backend_data;
+    }
+  backend_data;
 };
 
 #define nlm_tdata(bfd)			((bfd) -> tdata.nlm_obj_data)
@@ -108,6 +123,7 @@ struct nlm_obj_tdata
 #define nlm_copyright_header(bfd)	(nlm_tdata(bfd) -> nlm_copyright_hdr)
 #define nlm_extended_header(bfd)	(nlm_tdata(bfd) -> nlm_extended_hdr)
 #define nlm_custom_header(bfd)		(nlm_tdata(bfd) -> nlm_custom_hdr)
+#define nlm_cygnus_ext_header(bfd)	(nlm_tdata(bfd) -> nlm_cygnus_ext_hdr)
 #define nlm_get_symbols(bfd)		(nlm_tdata(bfd) -> nlm_symbols)
 #define nlm_set_symbols(bfd, p)		(nlm_tdata(bfd) -> nlm_symbols = (p))
 #define nlm_set_text_low(bfd, i)	(nlm_tdata(bfd) -> nlm_text_low = (i))
@@ -117,14 +133,48 @@ struct nlm_obj_tdata
 #define nlm_relocation_fixups(bfd)	(nlm_tdata(bfd) -> nlm_reloc_fixups)
 #define nlm_relocation_fixup_secs(bfd)	(nlm_tdata(bfd)->nlm_reloc_fixup_secs)
 
+#define nlm_alpha_backend_data(bfd) \
+  (&nlm_tdata (bfd)->backend_data.alpha_backend_data)
+
+/* This is used when writing out the external relocs. */
+
+struct reloc_and_sec
+{
+  arelent *rel;
+  asection *sec;
+};
+
 /* We store some function pointer in the backend structure.  This lets
    different NLM targets share most of the same code, while providing
    slightly different code where necessary.  */
 
 struct nlm_backend_data
 {
-  /* Machine architecture.  */
+  /* Signature for this backend.  */
+  char signature[NLM_SIGNATURE_SIZE];
+  /* Size of the fixed header.  */
+  bfd_size_type fixed_header_size;
+  /* Size of optional prefix for this backend.  Some backend may
+     require this to be a function, but so far a constant is OK.  This
+     is for a prefix which precedes the standard NLM fixed header.  */
+  bfd_size_type optional_prefix_size;
+  /* Architecture.  */
   enum bfd_architecture arch;
+  /* Machine.  */
+  long mach;
+  /* Some NLM formats do not use the uninitialized data section, so
+     all uninitialized data must be put into the regular data section
+     instead.  */
+  boolean no_uninitialized_data;
+  /* Some NLM formats have a prefix on the file.  If this function is
+     not NULL, it will be called by nlm_object_p.  It should return
+     true if this file could match this format, and it should leave
+     the BFD such that a bfd_read will pick up the fixed header.  */
+  boolean (*nlm_backend_object_p) PARAMS ((bfd *));
+  /* Write out the prefix.  This function may be NULL.  This must
+     write out the same number of bytes as is in the field
+     optional_prefix_size.  */
+  boolean (*nlm_write_prefix) PARAMS ((bfd *));
   /* Read a relocation fixup from abfd.  The reloc information is
      machine specific.  The second argument is the symbol if this is
      an import, or NULL if this is a reloc fixup.  This function
@@ -134,25 +184,74 @@ struct nlm_backend_data
      import symbol.  */
   boolean (*nlm_read_reloc) PARAMS ((bfd *, nlmNAME(symbol_type) *,
 				     asection **, arelent *));
-  /* Write a relocation fixup to abfd.  */
-  boolean (*nlm_write_reloc) PARAMS ((bfd *, asection *, arelent *));
   /* To make objcopy to an i386 NLM work, the i386 backend needs a
      chance to work over the relocs.  This is a bit icky.  */
   boolean (*nlm_mangle_relocs) PARAMS ((bfd *, asection *, PTR data,
 					bfd_vma offset,
 					bfd_size_type count));
+  /* Read an import record from abfd.  It would be nice if this
+     were in a machine-dependent format, but it doesn't seem to be. */
+  boolean (*nlm_read_import) PARAMS ((bfd *, nlmNAME(symbol_type) *));
+  /* Write an import record to abfd. */
+  boolean (*nlm_write_import) PARAMS ((bfd *, asection *, arelent *));
+  /* Set the section for a public symbol.  This may be NULL, in which
+     case a default method will be used.  */
+  boolean (*nlm_set_public_section) PARAMS ((bfd *, nlmNAME(symbol_type) *));
+  /* Get the offset to write out for a public symbol.  This may be
+     NULL, in which case a default method will be used.  */
+  bfd_vma (*nlm_get_public_offset) PARAMS ((bfd *, asymbol *));
+  /* Swap the fixed header in and out */
+  void (*nlm_swap_fhdr_in) PARAMS ((bfd *,
+				    PTR,
+				    Nlm_Internal_Fixed_Header *));
+  void (*nlm_swap_fhdr_out) PARAMS ((bfd *,
+				     struct nlm_internal_fixed_header *,
+				     PTR));
+  /* Write out an external reference.  */
+  boolean (*nlm_write_external) PARAMS ((bfd *, bfd_size_type,
+					 asymbol *,
+					 struct reloc_and_sec *));
+  boolean (*nlm_write_export) PARAMS ((bfd *, asymbol *, bfd_vma));
 };
 
 #define nlm_backend(bfd) \
   ((struct nlm_backend_data *)((bfd) -> xvec -> backend_data))
+#define nlm_signature(bfd) \
+  (nlm_backend(bfd) -> signature)
+#define nlm_fixed_header_size(bfd) \
+  (nlm_backend(bfd) -> fixed_header_size)
+#define nlm_optional_prefix_size(bfd) \
+  (nlm_backend(bfd) -> optional_prefix_size)
 #define nlm_architecture(bfd) \
-  (nlm_backend(bfd) ? nlm_backend(bfd) -> arch : bfd_arch_unknown)
+  (nlm_backend(bfd) -> arch)
+#define nlm_machine(bfd) \
+  (nlm_backend(bfd) -> mach)
+#define nlm_no_uninitialized_data(bfd) \
+  (nlm_backend(bfd) -> no_uninitialized_data)
+#define nlm_backend_object_p_func(bfd) \
+  (nlm_backend(bfd) -> nlm_backend_object_p)
+#define nlm_write_prefix_func(bfd) \
+  (nlm_backend(bfd) -> nlm_write_prefix)
 #define nlm_read_reloc_func(bfd) \
-  (nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_read_reloc : 0)
-#define nlm_write_reloc_func(bfd) \
-  (nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_write_reloc : 0)
+  (nlm_backend(bfd) -> nlm_read_reloc)
 #define nlm_mangle_relocs_func(bfd) \
-  (nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_mangle_relocs : 0)
+  (nlm_backend(bfd) -> nlm_mangle_relocs)
+#define nlm_read_import_func(bfd) \
+  (nlm_backend(bfd) -> nlm_read_import)
+#define nlm_write_import_func(bfd) \
+  (nlm_backend(bfd) -> nlm_write_import)
+#define nlm_set_public_section_func(bfd) \
+  (nlm_backend(bfd) -> nlm_set_public_section)
+#define nlm_get_public_offset_func(bfd) \
+  (nlm_backend(bfd) -> nlm_get_public_offset)
+#define nlm_swap_fixed_header_in_func(bfd) \
+  (nlm_backend(bfd) -> nlm_swap_fhdr_in)
+#define nlm_swap_fixed_header_out_func(bfd) \
+  (nlm_backend(bfd) -> nlm_swap_fhdr_out)
+#define nlm_write_external_func(bfd) \
+  (nlm_backend(bfd) -> nlm_write_external)
+#define nlm_write_export_func(bfd) \
+  (nlm_backend(bfd) -> nlm_write_export)
 
 /* The NLM code, data, and uninitialized sections have no names defined
    in the NLM, but bfd wants to give them names, so use the traditional