* Many files: change all bfd_target vectors to be const. Change

	all uses of bfd_target * to be const bfd_target *.  Change
	bfd_target_vector and bfd_default_vector arrays to be const
	bfd_target * const *.

1 files changed, 358 insertions, 0 deletions

diff --git a/bfd/coff-go32.c b/bfd/coff-go32.c
new file mode 100644
index 0000000..a26f8f3
--- /dev/null
+++ b/bfd/coff-go32.c
@@ -0,0 +1,358 @@
+/* BFD back-end for Intel 386 COFF files (go32 variant).
+   Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+   Written by DJ Delorie.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+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.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "obstack.h"
+#include "coff/i386.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+static bfd_reloc_status_type coff_go32_reloc PARAMS ((bfd *abfd,
+						      arelent *reloc_entry,
+						      asymbol *symbol,
+						      PTR data,
+						      asection *input_section,
+						      bfd *output_bfd,
+						      char **error_message));
+
+/* For some reason when using i386 COFF the value stored in the .text
+   section for a reference to a common symbol is the value itself plus
+   any desired offset.  Ian Taylor, Cygnus Support.  */
+
+/* If we are producing relocateable output, we need to do some
+   adjustments to the object file that are not done by the
+   bfd_perform_relocation function.  This function is called by every
+   reloc type to make any required adjustments.  */
+
+static bfd_reloc_status_type
+coff_go32_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
+		 error_message)
+     bfd *abfd;
+     arelent *reloc_entry;
+     asymbol *symbol;
+     PTR data;
+     asection *input_section;
+     bfd *output_bfd;
+     char **error_message;
+{
+  symvalue diff;
+
+  if (output_bfd == (bfd *) NULL)
+    return bfd_reloc_continue;
+
+  if (bfd_is_com_section (symbol->section))
+    {
+      /* We are relocating a common symbol.  The current value in the
+	 object file is ORIG + OFFSET, where ORIG is the value of the
+	 common symbol as seen by the object file when it was compiled
+	 (this may be zero if the symbol was undefined) and OFFSET is
+	 the offset into the common symbol (normally zero, but may be
+	 non-zero when referring to a field in a common structure).
+	 ORIG is the negative of reloc_entry->addend, which is set by
+	 the CALC_ADDEND macro below.  We want to replace the value in
+	 the object file with NEW + OFFSET, where NEW is the value of
+	 the common symbol which we are going to put in the final
+	 object file.  NEW is symbol->value.  */
+      diff = symbol->value + reloc_entry->addend;
+    }
+  else
+    {
+      /* For some reason bfd_perform_relocation always effectively
+	 ignores the addend for a COFF target when producing
+	 relocateable output.  This seems to be always wrong for 386
+	 COFF, so we handle the addend here instead.  */
+      diff = reloc_entry->addend;
+    }
+
+#define DOIT(x) \
+  x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
+
+  if (diff != 0)
+    {
+      const reloc_howto_type *howto = reloc_entry->howto;
+      unsigned char *addr = (unsigned char *) data + reloc_entry->address;
+
+      switch (howto->size)
+	{
+	case 0:
+	  {
+	    char x = bfd_get_8 (abfd, addr);
+	    DOIT (x);
+	    bfd_put_8 (abfd, x, addr);
+	  }
+	  break;
+
+	case 1:
+	  {
+	    short x = bfd_get_16 (abfd, addr);
+	    DOIT (x);
+	    bfd_put_16 (abfd, x, addr);
+	  }
+	  break;
+
+	case 2:
+	  {
+	    long x = bfd_get_32 (abfd, addr);
+	    DOIT (x);
+	    bfd_put_32 (abfd, x, addr);
+	  }
+	  break;
+
+	default:
+	  abort ();
+	}
+    }
+
+  /* Now let bfd_perform_relocation finish everything up.  */
+  return bfd_reloc_continue;
+}
+
+static reloc_howto_type howto_table[] = 
+{
+  {0},
+  {1},
+  {2},
+  {3},
+  {4},
+  {5},
+  HOWTO (R_DIR32,               /* type */                                 
+	 0,	                /* rightshift */                           
+	 2,	                /* size (0 = byte, 1 = short, 2 = long) */ 
+	 32,	                /* bitsize */                   
+	 false,	                /* pc_relative */                          
+	 0,	                /* bitpos */                               
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 coff_go32_reloc,       /* special_function */                     
+	 "dir32",               /* name */                                 
+	 true,	                /* partial_inplace */                      
+	 0xffffffff,            /* src_mask */                             
+	 0xffffffff,            /* dst_mask */                             
+	 false),                /* pcrel_offset */
+  {7},
+  {010},
+  {011},
+  {012},
+  {013},
+  {014},
+  {015},
+  {016},
+  HOWTO (R_RELBYTE,		/* type */                                 
+	 0,			/* rightshift */                           
+	 0,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 8,			/* bitsize */                   
+	 false,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "8",			/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0x000000ff,		/* src_mask */                             
+	 0x000000ff,		/* dst_mask */                             
+	 false),		/* pcrel_offset */
+  HOWTO (R_RELWORD,		/* type */                                 
+	 0,			/* rightshift */                           
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 16,			/* bitsize */                   
+	 false,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "16",			/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0x0000ffff,		/* src_mask */                             
+	 0x0000ffff,		/* dst_mask */                             
+	 false),		/* pcrel_offset */
+  HOWTO (R_RELLONG,		/* type */                                 
+	 0,			/* rightshift */                           
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 32,			/* bitsize */                   
+	 false,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "32",			/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0xffffffff,		/* src_mask */                             
+	 0xffffffff,		/* dst_mask */                             
+	 false),		/* pcrel_offset */
+  HOWTO (R_PCRBYTE,		/* type */                                 
+	 0,			/* rightshift */                           
+	 0,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 8,			/* bitsize */                   
+	 true,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_signed, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "DISP8",		/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0x000000ff,		/* src_mask */                             
+	 0x000000ff,		/* dst_mask */                             
+	 false),		/* pcrel_offset */
+  HOWTO (R_PCRWORD,		/* type */                                 
+	 0,			/* rightshift */                           
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 16,			/* bitsize */                   
+	 true,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_signed, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "DISP16",		/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0x0000ffff,		/* src_mask */                             
+	 0x0000ffff,		/* dst_mask */                             
+	 false),		/* pcrel_offset */
+  HOWTO (R_PCRLONG,		/* type */                                 
+	 0,			/* rightshift */                           
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */ 
+	 32,			/* bitsize */                   
+	 true,			/* pc_relative */                          
+	 0,			/* bitpos */                               
+	 complain_overflow_signed, /* complain_on_overflow */
+	 coff_go32_reloc,	/* special_function */                     
+	 "DISP32",		/* name */                                 
+	 true,			/* partial_inplace */                      
+	 0xffffffff,		/* src_mask */                             
+	 0xffffffff,		/* dst_mask */                             
+	 false)			/* pcrel_offset */
+};
+
+/* Turn a howto into a reloc  nunmber */
+
+#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
+#define BADMAG(x) I386BADMAG(x)
+#define I386 1			/* Customize coffcode.h */
+
+#define RTYPE2HOWTO(cache_ptr, dst) \
+	    cache_ptr->howto = howto_table + (dst)->r_type;
+
+/* On SCO Unix 3.2.2 the native assembler generates two .data
+   sections.  We handle that by renaming the second one to .data2.  It
+   does no harm to do this for any 386 COFF target.  */
+#define TWO_DATA_SECS
+
+/* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
+   library.  On some other COFF targets STYP_BSS is normally
+   STYP_NOLOAD.  */
+#define BSS_NOLOAD_IS_SHARED_LIBRARY
+
+/* Compute the addend of a reloc.  If the reloc is to a common symbol,
+   the object file contains the value of the common symbol.  By the
+   time this is called, the linker may be using a different symbol
+   from a different object file with a different value.  Therefore, we
+   hack wildly to locate the original symbol from this file so that we
+   can make the correct adjustment.  This macro sets coffsym to the
+   symbol from the original file, and uses it to set the addend value
+   correctly.  If this is not a common symbol, the usual addend
+   calculation is done, except that an additional tweak is needed for
+   PC relative relocs.
+   FIXME: This macro refers to symbols and asect; these are from the
+   calling function, not the macro arguments.  */
+
+#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr)		\
+  {								\
+    coff_symbol_type *coffsym = (coff_symbol_type *) NULL;	\
+    if (ptr && bfd_asymbol_bfd (ptr) != abfd)			\
+      coffsym = (obj_symbols (abfd)				\
+	         + (cache_ptr->sym_ptr_ptr - symbols));		\
+    else if (ptr)						\
+      coffsym = coff_symbol_from (abfd, ptr);			\
+    if (coffsym != (coff_symbol_type *) NULL			\
+	&& coffsym->native->u.syment.n_scnum == 0)		\
+      cache_ptr->addend = - coffsym->native->u.syment.n_value;	\
+    else if (ptr && bfd_asymbol_bfd (ptr) == abfd		\
+	     && ptr->section != (asection *) NULL)		\
+      cache_ptr->addend = - (ptr->section->vma + ptr->value);	\
+    else							\
+      cache_ptr->addend = 0;					\
+    if (ptr && howto_table[reloc.r_type].pc_relative)		\
+      cache_ptr->addend += asect->vma;				\
+  }
+
+#include "coffcode.h"
+
+static const bfd_target *
+go32coff_object_p(a)
+     bfd *a;
+{
+  return coff_object_p(a);
+}
+
+static const bfd_target *
+go32coff_archive_p(a)
+     bfd *a;
+{
+  return 0;
+}
+
+const bfd_target
+#ifdef TARGET_SYM
+  TARGET_SYM =
+#else
+  go32coff_vec =
+#endif
+{
+#ifdef TARGET_NAME
+  TARGET_NAME,
+#else
+  "coff-go32",			/* name */
+#endif
+  bfd_target_coff_flavour,
+  false,			/* data byte order is little */
+  false,			/* header byte order is little */
+
+  (HAS_RELOC | EXEC_P |		/* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | WP_TEXT),
+
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+  '_',				/* leading underscore */
+  '/',				/* ar_pad_char */
+  15,				/* ar_max_namelen */
+
+  2,				/* minimum alignment power */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+
+/* Note that we allow an object file to be treated as a core file as well. */
+    {_bfd_dummy_target, go32coff_object_p, /* bfd_check_format */
+       bfd_generic_archive_p, go32coff_object_p},
+    {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+       bfd_false},
+    {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+       _bfd_write_archive_contents, bfd_false},
+
+     BFD_JUMP_TABLE_GENERIC (coff),
+     BFD_JUMP_TABLE_COPY (coff),
+     BFD_JUMP_TABLE_CORE (_bfd_nocore),
+     BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
+     BFD_JUMP_TABLE_SYMBOLS (coff),
+     BFD_JUMP_TABLE_RELOCS (coff),
+     BFD_JUMP_TABLE_WRITE (coff),
+     BFD_JUMP_TABLE_LINK (coff),
+     BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+  COFF_SWAP_TABLE,
+};