Automatic date update in version.in
[deliverable/binutils-gdb.git] / bfd / coff-i386.c
index 8b8f601f379343a3d3ca32c0349e33f52a011c4d..c6e085f9b63e710af157177dda2180656d17c246 100644 (file)
@@ -1,5 +1,5 @@
 /* BFD back-end for Intel 386 COFF files.
-   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Copyright (C) 1990-2021 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
 #include "coff/pe.h"
 #endif
 
-#ifdef COFF_GO32_EXE
-#include "coff/go32exe.h"
-#endif
-
 #ifndef bfd_pe_print_pdata
 #define bfd_pe_print_pdata     NULL
 #endif
 
 #include "libcoff.h"
 
+/* 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
   (bfd *, asection *, struct internal_reloc *,
    struct coff_link_hash_entry *, struct internal_syment *,
@@ -67,7 +66,7 @@ coff_i386_reloc (bfd *abfd,
                 arelent *reloc_entry,
                 asymbol *symbol,
                 void * data,
-                asection *input_section ATTRIBUTE_UNUSED,
+                asection *input_section,
                 bfd *output_bfd,
                 char **error_message ATTRIBUTE_UNUSED)
 {
@@ -142,11 +141,11 @@ coff_i386_reloc (bfd *abfd,
   if (diff != 0)
     {
       reloc_howto_type *howto = reloc_entry->howto;
-      unsigned char *addr = (unsigned char *) data + reloc_entry->address;
+      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,
-                                      reloc_entry->address
-                                      * bfd_octets_per_byte (abfd)))
+      if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets))
        return bfd_reloc_outofrange;
 
       switch (howto->size)
@@ -188,8 +187,8 @@ coff_i386_reloc (bfd *abfd,
 /* Return TRUE if this relocation should appear in the output .reloc
    section.  */
 
-static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
-                              reloc_howto_type *howto)
+static bool
+in_reloc_p (bfd *abfd ATTRIBUTE_UNUSED, reloc_howto_type *howto)
 {
   return ! howto->pc_relative && howto->type != R_IMAGEBASE
         && howto->type != R_SECREL32;
@@ -197,7 +196,7 @@ static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
 #endif /* COFF_WITH_PE */
 
 #ifndef PCRELOFFSET
-#define PCRELOFFSET FALSE
+#define PCRELOFFSET false
 #endif
 
 static reloc_howto_type howto_table[] =
@@ -212,29 +211,29 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
-        FALSE,                 /* pc_relative */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "dir32",               /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
-        TRUE),                 /* pcrel_offset */
+        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 */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "rva32",               /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
-        FALSE),                /* pcrel_offset */
+        false),                /* pcrel_offset */
   EMPTY_HOWTO (010),
   EMPTY_HOWTO (011),
   EMPTY_HOWTO (012),
@@ -244,15 +243,15 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
-        FALSE,                 /* pc_relative */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "secrel32",            /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
-        TRUE),                 /* pcrel_offset */
+        true),                 /* pcrel_offset */
 #else
   EMPTY_HOWTO (013),
 #endif
@@ -264,12 +263,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         0,                     /* size (0 = byte, 1 = short, 2 = long) */
         8,                     /* bitsize */
-        FALSE,                 /* pc_relative */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "8",                   /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0x000000ff,            /* src_mask */
         0x000000ff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
@@ -278,12 +277,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
-        FALSE,                 /* pc_relative */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "16",                  /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0x0000ffff,            /* src_mask */
         0x0000ffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
@@ -292,12 +291,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
-        FALSE,                 /* pc_relative */
+        false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_bitfield, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "32",                  /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
@@ -306,12 +305,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         0,                     /* size (0 = byte, 1 = short, 2 = long) */
         8,                     /* bitsize */
-        TRUE,                  /* pc_relative */
+        true,                  /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_signed, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "DISP8",               /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0x000000ff,            /* src_mask */
         0x000000ff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
@@ -320,12 +319,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
-        TRUE,                  /* pc_relative */
+        true,                  /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_signed, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "DISP16",              /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0x0000ffff,            /* src_mask */
         0x0000ffff,            /* dst_mask */
         PCRELOFFSET),          /* pcrel_offset */
@@ -334,12 +333,12 @@ static reloc_howto_type howto_table[] =
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
-        TRUE,                  /* pc_relative */
+        true,                  /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_signed, /* complain_on_overflow */
         coff_i386_reloc,       /* special_function */
         "DISP32",              /* name */
-        TRUE,                  /* partial_inplace */
+        true,                  /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
         PCRELOFFSET)           /* pcrel_offset */
@@ -412,7 +411,7 @@ static reloc_howto_type howto_table[] =
    and the regular routine is that we don't want to do anything for a
    relocatable link.  */
 
-static bfd_boolean
+static bool
 coff_pe_i386_relocate_section (bfd *output_bfd,
                               struct bfd_link_info *info,
                               bfd *input_bfd,
@@ -423,7 +422,7 @@ coff_pe_i386_relocate_section (bfd *output_bfd,
                               asection **sections)
 {
   if (bfd_link_relocatable (info))
-    return TRUE;
+    return true;
 
   return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
                                             input_section, contents,
@@ -603,11 +602,11 @@ coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
    a leading dot for local labels, so if TARGET_UNDERSCORE is defined
    we treat all symbols starting with L as local.  */
 
-static bfd_boolean
+static bool
 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);
 }
@@ -652,6 +651,7 @@ const bfd_target
   '/',                         /* ar_pad_char */
   15,                          /* ar_max_namelen */
   0,                           /* match priority.  */
+  TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols.  */
 
   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
      bfd_getl32, bfd_getl_signed_32, bfd_putl32,
@@ -660,30 +660,118 @@ const bfd_target
      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 */
-#ifdef COFF_CHECK_FORMAT
-    {_bfd_dummy_target, COFF_CHECK_FORMAT,
-       bfd_generic_archive_p, COFF_CHECK_FORMAT},
+
+  {                            /* 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 */
+#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
-    {_bfd_dummy_target, coff_object_p, bfd_generic_archive_p, coff_object_p},
+  0,                           /* leading underscore */
 #endif
-    {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),
+  '/',                         /* ar_pad_char */
+  15,                          /* ar_max_namelen */
+  0,                           /* match priority.  */
+  TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols.  */
+
+  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_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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