gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / bfd / coff-i386.c
index e686b7b6cc5b359ceed443c9294328e5e6cbc732..c89b1fc13be634e369b0dd001e35866d8d362be2 100644 (file)
@@ -1,26 +1,26 @@
 /* BFD back-end for Intel 386 COFF files.
-   Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
-   Free Software Foundation, Inc.
+   Copyright (C) 1990-2020 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
-This file is part of BFD, the Binary File Descriptor library.
+   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 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 3 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.
+   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   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., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "libbfd.h"
 
 #include "coff/i386.h"
@@ -31,21 +31,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "coff/pe.h"
 #endif
 
-#ifdef COFF_GO32_EXE
-#include "coff/go32exe.h"
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata     NULL
 #endif
 
 #include "libcoff.h"
 
-static bfd_reloc_status_type coff_i386_reloc 
-  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1.  */
+#define OCTETS_PER_BYTE(ABFD, SEC) 1
+
 static reloc_howto_type *coff_i386_rtype_to_howto
-  PARAMS ((bfd *, asection *, struct internal_reloc *,
-          struct coff_link_hash_entry *, struct internal_syment *,
-          bfd_vma *));
+  (bfd *, asection *, struct internal_reloc *,
+   struct coff_link_hash_entry *, struct internal_syment *,
+   bfd_vma *);
 static reloc_howto_type *coff_i386_reloc_type_lookup
-  PARAMS ((bfd *, bfd_reloc_code_real_type));
-static const bfd_target *i3coff_object_p PARAMS ((bfd *));
+  (bfd *, bfd_reloc_code_real_type);
 
 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
 /* The page size is a guess based on ELF.  */
@@ -56,26 +56,26 @@ static const bfd_target *i3coff_object_p PARAMS ((bfd *));
    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
+/* If we are producing relocatable 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_i386_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
-                error_message)
-     bfd *abfd;
-     arelent *reloc_entry;
-     asymbol *symbol;
-     PTR data;
-     asection *input_section ATTRIBUTE_UNUSED;
-     bfd *output_bfd;
-     char **error_message ATTRIBUTE_UNUSED;
+coff_i386_reloc (bfd *abfd,
+                arelent *reloc_entry,
+                asymbol *symbol,
+                void * data,
+                asection *input_section,
+                bfd *output_bfd,
+                char **error_message ATTRIBUTE_UNUSED)
 {
   symvalue diff;
 
+#ifndef COFF_WITH_PE
   if (output_bfd == (bfd *) NULL)
     return bfd_reloc_continue;
+#endif
 
   if (bfd_is_com_section (symbol->section))
     {
@@ -101,77 +101,105 @@ coff_i386_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
     {
       /* 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
+        relocatable output.  This seems to be always wrong for 386
         COFF, so we handle the addend here instead.  */
-      diff = reloc_entry->addend;
+#ifdef COFF_WITH_PE
+      if (output_bfd == (bfd *) NULL)
+       {
+         reloc_howto_type *howto = reloc_entry->howto;
+
+         /* Although PC relative relocations are very similar between
+            PE and non-PE formats, but they are off by 1 << howto->size
+            bytes. For the external relocation, PE is very different
+            from others. See md_apply_fix3 () in gas/config/tc-i386.c.
+            When we link PE and non-PE object files together to
+            generate a non-PE executable, we have to compensate it
+            here.  */
+         if (howto->pc_relative && howto->pcrel_offset)
+           diff = -(1 << howto->size);
+         else if (symbol->flags & BSF_WEAK)
+           diff = reloc_entry->addend - symbol->value;
+         else
+           diff = -reloc_entry->addend;
+       }
+      else
+#endif
+       diff = reloc_entry->addend;
     }
 
 #ifdef COFF_WITH_PE
   /* FIXME: How should this case be handled?  */
-  if (reloc_entry->howto->type == R_IMAGEBASE)
+  if (reloc_entry->howto->type == R_IMAGEBASE
+      && output_bfd != NULL
+      && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour)
     diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
 #endif
 
 #define DOIT(x) \
   x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
 
-    if (diff != 0)
-      {
-       reloc_howto_type *howto = reloc_entry->howto;
-       unsigned char *addr = (unsigned char *) data + reloc_entry->address;
+  if (diff != 0)
+    {
+      reloc_howto_type *howto = reloc_entry->howto;
+      bfd_size_type octets = (reloc_entry->address
+                             * OCTETS_PER_BYTE (abfd, input_section));
+      unsigned char *addr = (unsigned char *) data + octets;
+
+      if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets))
+       return bfd_reloc_outofrange;
 
-       switch (howto->size)
+      switch (howto->size)
+       {
+       case 0:
          {
-         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 ();
+           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, (bfd_vma) x, addr);
+         }
+         break;
+
+       case 2:
+         {
+           long x = bfd_get_32 (abfd, addr);
+           DOIT (x);
+           bfd_put_32 (abfd, (bfd_vma) x, addr);
+         }
+         break;
+
+       default:
+         abort ();
+       }
+    }
 
   /* Now let bfd_perform_relocation finish everything up.  */
   return bfd_reloc_continue;
 }
 
 #ifdef COFF_WITH_PE
-/* Return true if this relocation should
-   appear in the output .reloc section. */
+/* Return TRUE if this relocation should appear in the output .reloc
+   section.  */
 
-static boolean in_reloc_p(abfd, howto)
-     bfd * abfd ATTRIBUTE_UNUSED;
-     reloc_howto_type *howto;
+static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
+                              reloc_howto_type *howto)
 {
-  return ! howto->pc_relative && howto->type != R_IMAGEBASE;
-}     
-#endif
+  return ! howto->pc_relative && howto->type != R_IMAGEBASE
+        && howto->type != R_SECREL32;
+}
+#endif /* COFF_WITH_PE */
 
 #ifndef PCRELOFFSET
-#define PCRELOFFSET false
+#define PCRELOFFSET FALSE
 #endif
 
-static reloc_howto_type howto_table[] = 
+static reloc_howto_type howto_table[] =
 {
   EMPTY_HOWTO (0),
   EMPTY_HOWTO (1),
@@ -179,136 +207,155 @@ static reloc_howto_type howto_table[] =
   EMPTY_HOWTO (3),
   EMPTY_HOWTO (4),
   EMPTY_HOWTO (5),
-  HOWTO (R_DIR32,               /* type */                                 
-        0,                     /* rightshift */                           
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        32,                    /* bitsize */                   
-        false,                 /* pc_relative */                          
-        0,                     /* bitpos */                               
+  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_i386_reloc,       /* special_function */                     
-        "dir32",               /* name */                                 
-        true,                  /* partial_inplace */                      
-        0xffffffff,            /* src_mask */                             
-        0xffffffff,            /* dst_mask */                             
-        true),                /* pcrel_offset */
-  /* PE IMAGE_REL_I386_DIR32NB relocation (7).  */
-  HOWTO (R_IMAGEBASE,            /* type */                                 
-        0,                     /* rightshift */                           
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        32,                    /* bitsize */                   
-        false,                 /* pc_relative */                          
-        0,                     /* bitpos */                               
+        coff_i386_reloc,       /* special_function */
+        "dir32",               /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
+        TRUE),                 /* pcrel_offset */
+  /* PE IMAGE_REL_I386_DIR32NB relocation (7). */
+  HOWTO (R_IMAGEBASE,          /* 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_i386_reloc,       /* special_function */                     
-        "rva32",                  /* name */                                 
-        true,                  /* partial_inplace */                      
-        0xffffffff,            /* src_mask */                             
-        0xffffffff,            /* dst_mask */                             
-        false),                /* pcrel_offset */
+        coff_i386_reloc,       /* special_function */
+        "rva32",               /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
+        FALSE),                /* pcrel_offset */
   EMPTY_HOWTO (010),
   EMPTY_HOWTO (011),
   EMPTY_HOWTO (012),
+#ifdef COFF_WITH_PE
+  /* 32-bit longword section relative relocation (013).  */
+  HOWTO (R_SECREL32,           /* 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_i386_reloc,       /* special_function */
+        "secrel32",            /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
+        TRUE),                 /* pcrel_offset */
+#else
   EMPTY_HOWTO (013),
+#endif
   EMPTY_HOWTO (014),
   EMPTY_HOWTO (015),
   EMPTY_HOWTO (016),
   /* Byte relocation (017).  */
   HOWTO (R_RELBYTE,            /* type */
-        0,                     /* rightshift */                           
-        0,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        8,                     /* bitsize */                   
-        false,                 /* pc_relative */                          
-        0,                     /* bitpos */                               
+        0,                     /* rightshift */
+        0,                     /* size (0 = byte, 1 = short, 2 = long) */
+        8,                     /* bitsize */
+        FALSE,                 /* pc_relative */
+        0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
-        coff_i386_reloc,       /* special_function */                     
-        "8",                   /* name */                                 
-        true,                  /* partial_inplace */                      
-        0x000000ff,            /* src_mask */                             
-        0x000000ff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "8",                   /* name */
+        TRUE,                  /* partial_inplace */
+        0x000000ff,            /* src_mask */
+        0x000000ff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
   /* 16-bit word relocation (020).  */
-  HOWTO (R_RELWORD,            /* type */                                 
-        0,                     /* rightshift */                           
-        1,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        16,                    /* bitsize */                   
-        false,                 /* pc_relative */                          
-        0,                     /* bitpos */                               
+  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_i386_reloc,       /* special_function */                     
-        "16",                  /* name */                                 
-        true,                  /* partial_inplace */                      
-        0x0000ffff,            /* src_mask */                             
-        0x0000ffff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "16",                  /* name */
+        TRUE,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
-  /* 32-bit longword relocation (021).  */
-  HOWTO (R_RELLONG,            /* type */                                 
-        0,                     /* rightshift */                           
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        32,                    /* bitsize */                   
-        false,                 /* pc_relative */                          
-        0,                     /* bitpos */                               
+  /* 32-bit longword relocation (021). */
+  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_i386_reloc,       /* special_function */                     
-        "32",                  /* name */                                 
-        true,                  /* partial_inplace */                      
-        0xffffffff,            /* src_mask */                             
-        0xffffffff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "32",                  /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
-  /* Byte PC relative relocation (022).  */
-  HOWTO (R_PCRBYTE,            /* type */                                 
-        0,                     /* rightshift */                           
-        0,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        8,                     /* bitsize */                   
-        true,                  /* pc_relative */                          
-        0,                     /* bitpos */                               
+  /* Byte PC relative relocation (022).         */
+  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_i386_reloc,       /* special_function */                     
-        "DISP8",               /* name */                                 
-        true,                  /* partial_inplace */                      
-        0x000000ff,            /* src_mask */                             
-        0x000000ff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "DISP8",               /* name */
+        TRUE,                  /* partial_inplace */
+        0x000000ff,            /* src_mask */
+        0x000000ff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
-  /* 16-bit word PC relative relocation (023).  */
-  HOWTO (R_PCRWORD,            /* type */                                 
-        0,                     /* rightshift */                           
-        1,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        16,                    /* bitsize */                   
-        true,                  /* pc_relative */                          
-        0,                     /* bitpos */                               
+  /* 16-bit word PC relative relocation (023). */
+  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_i386_reloc,       /* special_function */                     
-        "DISP16",              /* name */                                 
-        true,                  /* partial_inplace */                      
-        0x0000ffff,            /* src_mask */                             
-        0x0000ffff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "DISP16",              /* name */
+        TRUE,                  /* partial_inplace */
+        0x0000ffff,            /* src_mask */
+        0x0000ffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
   /* 32-bit longword PC relative relocation (024).  */
-  HOWTO (R_PCRLONG,            /* type */                                 
-        0,                     /* rightshift */                           
-        2,                     /* size (0 = byte, 1 = short, 2 = long) */ 
-        32,                    /* bitsize */                   
-        true,                  /* pc_relative */                          
-        0,                     /* bitpos */                               
+  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_i386_reloc,       /* special_function */                     
-        "DISP32",              /* name */                                 
-        true,                  /* partial_inplace */                      
-        0xffffffff,            /* src_mask */                             
-        0xffffffff,            /* dst_mask */                             
+        coff_i386_reloc,       /* special_function */
+        "DISP32",              /* name */
+        TRUE,                  /* partial_inplace */
+        0xffffffff,            /* src_mask */
+        0xffffffff,            /* dst_mask */
         PCRELOFFSET)           /* pcrel_offset */
 };
 
+#define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
+
 /* 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 =                                                        \
-   ((dst)->r_type < sizeof (howto_table) / sizeof (howto_table[0])     \
-    ? howto_table + (dst)->r_type                                      \
+#define RTYPE2HOWTO(cache_ptr, dst)                            \
+  ((cache_ptr)->howto =                                                \
+   ((dst)->r_type < NUM_HOWTOS                                 \
+    ? howto_table + (dst)->r_type                              \
     : NULL))
 
 /* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
@@ -334,9 +381,9 @@ static reloc_howto_type howto_table[] =
     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));         \
+                + (cache_ptr->sym_ptr_ptr - symbols));         \
     else if (ptr)                                              \
-      coffsym = coff_symbol_from (abfd, ptr);                  \
+      coffsym = coff_symbol_from (ptr);                                \
     if (coffsym != (coff_symbol_type *) NULL                   \
        && coffsym->native->u.syment.n_scnum == 0)              \
       cache_ptr->addend = - coffsym->native->u.syment.n_value; \
@@ -345,7 +392,8 @@ static reloc_howto_type howto_table[] =
       cache_ptr->addend = - (ptr->section->vma + ptr->value);  \
     else                                                       \
       cache_ptr->addend = 0;                                   \
-    if (ptr && howto_table[reloc.r_type].pc_relative)          \
+    if (ptr && reloc.r_type < NUM_HOWTOS                       \
+       && howto_table[reloc.r_type].pc_relative)               \
       cache_ptr->addend += asect->vma;                         \
   }
 
@@ -361,27 +409,20 @@ static reloc_howto_type howto_table[] =
 
 /* The PE relocate section routine.  The only difference between this
    and the regular routine is that we don't want to do anything for a
-   relocateable link.  */
-
-static boolean coff_pe_i386_relocate_section
-  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
-          struct internal_reloc *, struct internal_syment *, asection **));
-
-static boolean
-coff_pe_i386_relocate_section (output_bfd, info, input_bfd,
-                              input_section, contents, relocs, syms,
-                              sections)
-     bfd *output_bfd;
-     struct bfd_link_info *info;
-     bfd *input_bfd;
-     asection *input_section;
-     bfd_byte *contents;
-     struct internal_reloc *relocs;
-     struct internal_syment *syms;
-     asection **sections;
+   relocatable link.  */
+
+static bfd_boolean
+coff_pe_i386_relocate_section (bfd *output_bfd,
+                              struct bfd_link_info *info,
+                              bfd *input_bfd,
+                              asection *input_section,
+                              bfd_byte *contents,
+                              struct internal_reloc *relocs,
+                              struct internal_syment *syms,
+                              asection **sections)
 {
-  if (info->relocateable)
-    return true;
+  if (bfd_link_relocatable (info))
+    return TRUE;
 
   return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
                                             input_section, contents,
@@ -395,17 +436,16 @@ coff_pe_i386_relocate_section (output_bfd, info, input_bfd,
 /* Convert an rtype to howto for the COFF backend linker.  */
 
 static reloc_howto_type *
-coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     asection *sec;
-     struct internal_reloc *rel;
-     struct coff_link_hash_entry *h;
-     struct internal_syment *sym;
-     bfd_vma *addendp;
+coff_i386_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+                         asection *sec,
+                         struct internal_reloc *rel,
+                         struct coff_link_hash_entry *h,
+                         struct internal_syment *sym,
+                         bfd_vma *addendp)
 {
   reloc_howto_type *howto;
 
-  if (rel->r_type > sizeof (howto_table) / sizeof (howto_table[0]))
+  if (rel->r_type >= NUM_HOWTOS)
     {
       bfd_set_error (bfd_error_bad_value);
       return NULL;
@@ -428,7 +468,7 @@ coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
         function will be adding in the final value of the symbol.  We
         need to subtract out the current size in order to get the
         correct result.  */
+
       BFD_ASSERT (h != NULL);
 
 #ifndef COFF_WITH_PE
@@ -445,9 +485,9 @@ coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
 
 #ifndef COFF_WITH_PE
   /* If the output symbol is common (in which case this must be a
-     relocateable link), we need to add in the final size of the
+     relocatable link), we need to add in the final size of the
      common symbol.  */
-  if (h != NULL && h->root.type == bfd_link_hash_common) 
+  if (h != NULL && h->root.type == bfd_link_hash_common)
     *addendp += h->root.u.c.size;
 #endif
 
@@ -457,45 +497,103 @@ coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
       *addendp -= 4;
 
       /* If the symbol is defined, then the generic code is going to
-         add back the symbol value in order to cancel out an
-         adjustment it made to the addend.  However, we set the addend
-         to 0 at the start of this function.  We need to adjust here,
-         to avoid the adjustment the generic code will make.  FIXME:
-         This is getting a bit hackish.  */
+        add back the symbol value in order to cancel out an
+        adjustment it made to the addend.  However, we set the addend
+        to 0 at the start of this function.  We need to adjust here,
+        to avoid the adjustment the generic code will make.  FIXME:
+        This is getting a bit hackish.  */
       if (sym != NULL && sym->n_scnum != 0)
        *addendp -= sym->n_value;
     }
 
-  if (rel->r_type == R_IMAGEBASE)
+  if (rel->r_type == R_IMAGEBASE
+      && (bfd_get_flavour(sec->output_section->owner)
+         == bfd_target_coff_flavour))
     {
       *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
     }
+
+  /* PR 17099 - Absolute R_PCRLONG relocations do not need a symbol.  */
+  if (rel->r_type == R_PCRLONG && sym == NULL)
+    *addendp -= rel->r_vaddr;
+  else
+    BFD_ASSERT (sym != NULL);
+
+  if (rel->r_type == R_SECREL32 && sym != NULL)
+    {
+      bfd_vma osect_vma;
+
+      if (h && (h->root.type == bfd_link_hash_defined
+               || h->root.type == bfd_link_hash_defweak))
+       osect_vma = h->root.u.def.section->output_section->vma;
+      else
+       {
+         asection *s;
+         int i;
+
+         /* Sigh, the only way to get the section to offset against
+            is to find it the hard way.  */
+
+         for (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
+           s = s->next;
+
+         osect_vma = s->output_section->vma;
+       }
+
+      *addendp -= osect_vma;
+    }
 #endif
 
   return howto;
 }
 
 #define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup
 
 static reloc_howto_type *
-coff_i386_reloc_type_lookup (abfd, code)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     bfd_reloc_code_real_type code;
+coff_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+                            bfd_reloc_code_real_type code)
 {
   switch (code)
     {
     case BFD_RELOC_RVA:
-      return howto_table +R_IMAGEBASE;
+      return howto_table + R_IMAGEBASE;
     case BFD_RELOC_32:
       return howto_table + R_DIR32;
     case BFD_RELOC_32_PCREL:
       return howto_table + R_PCRLONG;
+    case BFD_RELOC_16:
+      return howto_table + R_RELWORD;
+    case BFD_RELOC_16_PCREL:
+      return howto_table + R_PCRWORD;
+    case BFD_RELOC_8:
+      return howto_table + R_RELBYTE;
+    case BFD_RELOC_8_PCREL:
+      return howto_table + R_PCRBYTE;
+#ifdef COFF_WITH_PE
+    case BFD_RELOC_32_SECREL:
+      return howto_table + R_SECREL32;
+#endif
     default:
       BFD_FAIL ();
       return 0;
     }
 }
 
+static reloc_howto_type *
+coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+                            const char *r_name)
+{
+  unsigned int i;
+
+  for (i = 0; i < NUM_HOWTOS; i++)
+    if (howto_table[i].name != NULL
+       && strcasecmp (howto_table[i].name, r_name) == 0)
+      return &howto_table[i];
+
+  return NULL;
+}
+
 #define coff_rtype_to_howto coff_i386_rtype_to_howto
 
 #ifdef TARGET_UNDERSCORE
@@ -504,15 +602,11 @@ coff_i386_reloc_type_lookup (abfd, code)
    a leading dot for local labels, so if TARGET_UNDERSCORE is defined
    we treat all symbols starting with L as local.  */
 
-static boolean coff_i386_is_local_label_name PARAMS ((bfd *, const char *));
-
-static boolean
-coff_i386_is_local_label_name (abfd, name)
-     bfd *abfd;
-     const char *name;
+static bfd_boolean
+coff_i386_is_local_label_name (bfd *abfd, const char *name)
 {
   if (name[0] == 'L')
-    return true;
+    return TRUE;
 
   return _bfd_coff_is_local_label_name (abfd, name);
 }
@@ -523,74 +617,11 @@ coff_i386_is_local_label_name (abfd, name)
 
 #include "coffcode.h"
 
-static const bfd_target *
-i3coff_object_p (abfd)
-     bfd *abfd;
-{
-#ifdef COFF_IMAGE_WITH_PE
-  /* We need to hack badly to handle a PE image correctly.  In PE
-     images created by the GNU linker, the offset to the COFF header
-     is always the size.  However, this is not the case in images
-     generated by other PE linkers.  The PE format stores a four byte
-     offset to the PE signature just before the COFF header at
-     location 0x3c of the file.  We pick up that offset, verify that
-     the PE signature is there, and then set ourselves up to read in
-     the COFF header.  */
-  {
-    bfd_byte ext_offset[4];
-    file_ptr offset;
-    bfd_byte ext_signature[4];
-    unsigned long signature;
-
-    if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0
-       || bfd_read (ext_offset, 1, 4, abfd) != 4)
-      {
-       if (bfd_get_error () != bfd_error_system_call)
-         bfd_set_error (bfd_error_wrong_format);
-       return NULL;
-      }
-    offset = bfd_h_get_32 (abfd, ext_offset);
-    if (bfd_seek (abfd, offset, SEEK_SET) != 0
-       || bfd_read (ext_signature, 1, 4, abfd) != 4)
-      {
-       if (bfd_get_error () != bfd_error_system_call)
-         bfd_set_error (bfd_error_wrong_format);
-       return NULL;
-      }
-    signature = bfd_h_get_32 (abfd, ext_signature);
-
-    if (signature != 0x4550)
-      {
-       bfd_set_error (bfd_error_wrong_format);
-       return NULL;
-      }
-
-    /* Here is the hack.  coff_object_p wants to read filhsz bytes to
-       pick up the COFF header.  We adjust so that that will work.  20
-       is the size of the i386 COFF filehdr.  */
-
-    if (bfd_seek (abfd,
-                 (bfd_tell (abfd)
-                  - bfd_coff_filhsz (abfd)
-                  + 20),
-                 SEEK_SET)
-       != 0)
-      {
-       if (bfd_get_error () != bfd_error_system_call)
-         bfd_set_error (bfd_error_wrong_format);
-       return NULL;
-      }
-  }
-#endif
-
-  return coff_object_p (abfd);
-}
-
 const bfd_target
 #ifdef TARGET_SYM
   TARGET_SYM =
 #else
-  i386coff_vec =
+  i386_coff_vec =
 #endif
 {
 #ifdef TARGET_NAME
@@ -604,16 +635,91 @@ const bfd_target
 
   (HAS_RELOC | EXEC_P |                /* object flags */
    HAS_LINENO | HAS_DEBUG |
-   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
 
-#ifndef COFF_WITH_PE
   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
-   | SEC_CODE | SEC_DATA),
+#ifdef COFF_WITH_PE
+   | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
+#endif
+   | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
+
+#ifdef TARGET_UNDERSCORE
+  TARGET_UNDERSCORE,           /* leading underscore */
 #else
+  0,                           /* leading underscore */
+#endif
+  '/',                         /* ar_pad_char */
+  15,                          /* ar_max_namelen */
+  0,                           /* match priority.  */
+
+  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 */
+
+#ifndef COFF_CHECK_FORMAT
+#define COFF_CHECK_FORMAT coff_object_p
+#endif
+#ifndef COFF_WRITE_CONTENTS
+#define COFF_WRITE_CONTENTS coff_write_object_contents
+#endif
+
+/* Note that we allow an object file to be treated as a core file as well.  */
+
+  {                            /* bfd_check_format */
+    _bfd_dummy_target,
+    COFF_CHECK_FORMAT,
+    bfd_generic_archive_p,
+    COFF_CHECK_FORMAT
+  },
+  {                            /* bfd_set_format */
+    _bfd_bool_bfd_false_error,
+    coff_mkobject,
+    _bfd_generic_mkarchive,
+    _bfd_bool_bfd_false_error
+  },
+  {                            /* bfd_write_contents */
+    _bfd_bool_bfd_false_error,
+    COFF_WRITE_CONTENTS,
+    _bfd_write_archive_contents,
+    _bfd_bool_bfd_false_error
+  },
+
+  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),
+
+  NULL,
+
+  COFF_SWAP_TABLE
+};
+
+#ifdef COFF_WITH_PE_BIGOBJ
+const bfd_target
+  TARGET_SYM_BIG =
+{
+  TARGET_NAME_BIG,
+  bfd_target_coff_flavour,
+  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 |
+   HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
+
   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
-   | SEC_CODE | SEC_DATA
-   | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
+#ifdef COFF_WITH_PE
+   | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
 #endif
+   | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
 
 #ifdef TARGET_UNDERSCORE
   TARGET_UNDERSCORE,           /* leading underscore */
@@ -622,6 +728,7 @@ const bfd_target
 #endif
   '/',                         /* ar_pad_char */
   15,                          /* ar_max_namelen */
+  0,                           /* match priority.  */
 
   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
@@ -630,25 +737,39 @@ const bfd_target
      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, i3coff_object_p, /* bfd_check_format */
-       bfd_generic_archive_p, i3coff_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),
+/* Note that we allow an object file to be treated as a core file as well.  */
+
+  {                            /* bfd_check_format */
+    _bfd_dummy_target,
+    COFF_CHECK_FORMAT,
+    bfd_generic_archive_p,
+    COFF_CHECK_FORMAT
+  },
+  {                            /* bfd_set_format */
+    _bfd_bool_bfd_false_error,
+    coff_mkobject,
+    _bfd_generic_mkarchive,
+    _bfd_bool_bfd_false_error
+  },
+  {                            /* bfd_write_contents */
+    _bfd_bool_bfd_false_error,
+    COFF_WRITE_CONTENTS,
+    _bfd_write_archive_contents,
+    _bfd_bool_bfd_false_error
+  },
+
+  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),
 
   NULL,
-  
-  COFF_SWAP_TABLE
+
+  &bigobj_swap_table
 };
+#endif
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