/* BFD back-end for Motorolla MCore COFF/PE
- Copyright 1999
- Free Software Foundation, Inc.
+ Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
PARAMS ((bfd *));
static bfd_reloc_status_type mcore_coff_unsupported_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static boolean in_reloc_p
- PARAMS ((bfd *, reloc_howto_type *));
static boolean coff_mcore_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* dont complain_on_overflow */
- 0, /* special_function */
+ NULL, /* special_function */
"ABSOLUTE", /* name */
false, /* partial_inplace */
0x00, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- 0, /* special_function */
+ NULL, /* special_function */
"ADDR32", /* name */
true, /* partial_inplace */
0xffffffff, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- mcore_coff_unsupported_reloc, /* special_function */
+ mcore_coff_unsupported_reloc, /* special_function */
"IMM8BY4", /* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- mcore_coff_unsupported_reloc,/* special_function */
+ mcore_coff_unsupported_reloc, /* special_function */
"IMM4BY2", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* partial_inplace */
0x0, /* src_mask */
0x7ff, /* dst_mask */
+ true), /* pcrel_offset */
+
+ HOWTO (IMAGE_REL_MCORE_RVA, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ false, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ NULL, /* special_function */
+ "MCORE_RVA", /* name */
+ true, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
true) /* pcrel_offset */
};
\f
return & ret->root.root;
}
\f
+/* Add an entry to the base file. */
+static void
+mcore_emit_base_file_entry (info, output_bfd, input_section, reloc_offset)
+ struct bfd_link_info * info;
+ bfd * output_bfd;
+ asection * input_section;
+ bfd_vma reloc_offset;
+{
+ bfd_vma addr = reloc_offset
+ - input_section->vma
+ + input_section->output_offset
+ + input_section->output_section->vma;
+
+ if (coff_data (output_bfd)->pe)
+ addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
+
+ fwrite (&addr, 1, sizeof (addr), (FILE *) info->base_file);
+}
+\f
/*ARGSUSED*/
static bfd_reloc_status_type
mcore_coff_unsupported_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;
+ asymbol * symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection * input_section ATTRIBUTE_UNUSED;
+ bfd * output_bfd ATTRIBUTE_UNUSED;
+ char ** error_message ATTRIBUTE_UNUSED;
{
BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0);
static reloc_howto_type *
mcore_coff_reloc_type_lookup (abfd, code)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
switch (code)
HOW2MAP (BFD_RELOC_MCORE_PCREL_IMM4BY2, IMAGE_REL_MCORE_PCREL_IMM4BY2);
HOW2MAP (BFD_RELOC_32_PCREL, IMAGE_REL_MCORE_PCREL_32);
HOW2MAP (BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2, IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2);
+ HOW2MAP (BFD_RELOC_RVA, IMAGE_REL_MCORE_RVA);
default:
return NULL;
}
static reloc_howto_type *
coff_mcore_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd * abfd;
+ bfd * abfd ATTRIBUTE_UNUSED;
asection * sec;
struct internal_reloc * rel;
- struct coff_link_hash_entry * h;
+ struct coff_link_hash_entry * h ATTRIBUTE_UNUSED;
struct internal_syment * sym;
bfd_vma * addendp;
{
return NULL;
howto = mcore_coff_howto_table + rel->r_type;
+
+ if (rel->r_type == IMAGE_REL_MCORE_RVA)
+ * addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
- if (howto->pc_relative)
+ else if (howto->pc_relative)
{
* addendp = sec->vma - 2; /* XXX guess - is this right ? */
return howto;
}
-\f
-/* Return true if this relocation should
- appear in the output .reloc section. */
-static boolean in_reloc_p (abfd, howto)
- bfd * abfd;
+
+/* Return true if this relocation should appear in the output .reloc section.
+ This function is referenced in pe_mkobject in peicode.h. */
+static boolean
+in_reloc_p (abfd, howto)
+ bfd * abfd ATTRIBUTE_UNUSED;
reloc_howto_type * howto;
{
- return ! howto->pc_relative;
+ return ! howto->pc_relative && howto->type != IMAGE_REL_MCORE_RVA;
}
+\f
/* The reloc processing routine for the optimized COFF linker. */
static boolean
coff_mcore_relocate_section (output_bfd, info, input_bfd, input_section,
if (info->relocateable)
return true;
- BFD_ASSERT (input_bfd->xvec->byteorder
- == output_bfd->xvec->byteorder);
+ /* Check if we have the same endianess */
+ if ( input_bfd->xvec->byteorder != output_bfd->xvec->byteorder
+ && output_bfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
+ {
+ (*_bfd_error_handler)
+ (_("%s: compiled for a %s endian system and target is %s endian.\n"),
+ bfd_get_filename (input_bfd),
+ bfd_big_endian (input_bfd) ? "big" : "little",
+ bfd_big_endian (output_bfd) ? "big" : "little");
+
+ bfd_set_error (bfd_error_wrong_format);
+ return false;
+ }
hihalf = false;
hihalf_val = 0;
for (; rel < relend; rel++)
{
- asection * toc_section = NULL;
- bfd_vma relocation;
long symndx;
struct internal_syment * sym;
bfd_vma val;
sym = syms + symndx;
}
+ addend = 0;
+
/* Get the howto and initialise the addend. */
howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,
sym, & addend);
case IMAGE_REL_MCORE_PCREL_32:
case IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2:
case IMAGE_REL_MCORE_ADDR32:
+ /* XXX fixme - shouldn't this be like the code for the RVA reloc ? */
rstat = _bfd_relocate_contents (howto, input_bfd, val, loc);
break;
+
+ case IMAGE_REL_MCORE_RVA:
+ rstat = _bfd_final_link_relocate
+ (howto, input_bfd,
+ input_section, contents, rel->r_vaddr - input_section->vma,
+ val, addend);
+ break;
}
+ if (info->base_file)
+ {
+ /* Emit a reloc if the backend thinks it needs it. */
+ if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto))
+ mcore_emit_base_file_entry (info, output_bfd, input_section, rel->r_vaddr);
+ }
+
switch (rstat)
{
default:
#include "coffcode.h"
\f
-static const bfd_target *
-pe_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 mips 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
+/* Forward declaration to initialise alterbative_target field. */
+extern const bfd_target TARGET_LITTLE_SYM;
- return coff_object_p (abfd);
-}
-\f
/* The transfer vectors that lead the outside world to all of the above. */
-
-const bfd_target
-TARGET_BIG_SYM =
-{
- TARGET_BIG_NAME,
- bfd_target_coff_flavour,
- 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 |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
-
- 0, /* leading char */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
-
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
-
- bfd_getb64, bfd_getb_signed_64, bfd_putb64,
- bfd_getb32, bfd_getb_signed_32, bfd_putb32,
- bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
-
- { _bfd_dummy_target,
- pe_object_p, /* bfd_check_format */
- bfd_generic_archive_p, /* _bfd_dummy_target */
- pe_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,
-};
-
-const bfd_target
-TARGET_LITTLE_SYM =
-{
- TARGET_LITTLE_NAME,
- 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),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
- | SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
-
- 0, /* leading underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
-
- 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,
- pe_object_p, /* bfd_check_format */
- bfd_generic_archive_p,
- pe_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,
-};
-
+CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED, (SEC_LINK_ONCE | SEC_LINK_DUPLICATES), 0, & TARGET_LITTLE_SYM)
+CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED, (SEC_LINK_ONCE | SEC_LINK_DUPLICATES), 0, & TARGET_BIG_SYM)
projects / deliverable / binutils-gdb.git / blobdiff