/* BFD back-end for Intel 386 COFF files.
- Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1990-2019 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., 675 Mass Ave, Cambridge, MA 02139, 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 "obstack.h"
+
#include "coff/i386.h"
+
#include "coff/internal.h"
+
+#ifdef COFF_WITH_PE
+#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"
-static bfd_reloc_status_type coff_i386_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
-static const struct reloc_howto_struct *coff_i386_rtype_to_howto
- PARAMS ((bfd *, asection *, struct internal_reloc *,
- struct coff_link_hash_entry *, struct internal_syment *,
- bfd_vma *));
+/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */
+#define OCTETS_PER_BYTE(ABFD, SEC) 1
-#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
+static reloc_howto_type *coff_i386_rtype_to_howto
+ (bfd *, asection *, struct internal_reloc *,
+ struct coff_link_hash_entry *, struct internal_syment *,
+ bfd_vma *);
+static reloc_howto_type *coff_i386_reloc_type_lookup
+ (bfd *, bfd_reloc_code_real_type);
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
/* The page size is a guess based on ELF. */
+
#define COFF_PAGE_SIZE 0x1000
/* 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
+/* 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;
- bfd *output_bfd;
- char **error_message;
+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))
{
+#ifndef COFF_WITH_PE
/* 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
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
+ /* In PE mode, we do not offset the common symbol. */
+ diff = reloc_entry->addend;
+#endif
}
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
+ 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
+ && 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;
+ 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)
{
{
short x = bfd_get_16 (abfd, addr);
DOIT (x);
- bfd_put_16 (abfd, x, addr);
+ bfd_put_16 (abfd, (bfd_vma) x, addr);
}
break;
{
long x = bfd_get_32 (abfd, addr);
DOIT (x);
- bfd_put_32 (abfd, x, addr);
+ bfd_put_32 (abfd, (bfd_vma) x, addr);
}
break;
return bfd_reloc_continue;
}
-static reloc_howto_type howto_table[] =
+#ifdef COFF_WITH_PE
+/* 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)
{
- {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 */
+ return ! howto->pc_relative && howto->type != R_IMAGEBASE
+ && howto->type != R_SECREL32;
+}
+#endif /* COFF_WITH_PE */
+
+#ifndef PCRELOFFSET
+#define PCRELOFFSET FALSE
+#endif
+
+static reloc_howto_type howto_table[] =
+{
+ EMPTY_HOWTO (0),
+ EMPTY_HOWTO (1),
+ EMPTY_HOWTO (2),
+ 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 */
complain_overflow_bitfield, /* complain_on_overflow */
- coff_i386_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 */
+ 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 */
- "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 */
+ 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 */
- "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 */
+ 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 */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ 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 */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ 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 */
complain_overflow_bitfield, /* complain_on_overflow */
- coff_i386_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 */
+ 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 */
complain_overflow_signed, /* complain_on_overflow */
- coff_i386_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 */
+ 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 */
complain_overflow_signed, /* complain_on_overflow */
- coff_i386_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 */
+ 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 */
complain_overflow_signed, /* complain_on_overflow */
- coff_i386_reloc, /* special_function */
- "DISP32", /* name */
- true, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- false) /* pcrel_offset */
+ 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 = 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
+#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
library. On some other COFF targets STYP_BSS is normally
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; \
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; \
}
-/* We use the special COFF backend linker. */
+/* We use the special COFF backend linker. For normal i386 COFF, we
+ can use the generic relocate_section routine. For PE, we need our
+ own routine. */
+
+#ifndef COFF_WITH_PE
+
#define coff_relocate_section _bfd_coff_generic_relocate_section
-static const struct reloc_howto_struct *
-coff_i386_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
- bfd *abfd;
- asection *sec;
- struct internal_reloc *rel;
- struct coff_link_hash_entry *h;
- struct internal_syment *sym;
- bfd_vma *addendp;
+#else /* COFF_WITH_PE */
+
+/* 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
+ 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 (bfd_link_relocatable (info))
+ return TRUE;
+
+ return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
+ input_section, contents,
+ relocs, syms, sections);
+}
+
+#define coff_relocate_section coff_pe_i386_relocate_section
+
+#endif /* COFF_WITH_PE */
+
+/* Convert an rtype to howto for the COFF backend linker. */
+
+static reloc_howto_type *
+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)
{
- const struct reloc_howto_struct *howto;
+ reloc_howto_type *howto;
+
+ if (rel->r_type >= NUM_HOWTOS)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
howto = howto_table + rel->r_type;
+#ifdef COFF_WITH_PE
+ /* Cancel out code in _bfd_coff_generic_relocate_section. */
+ *addendp = 0;
+#endif
+
if (howto->pc_relative)
*addendp += sec->vma;
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
+ /* I think we *do* want to bypass this. If we don't, I have
+ seen some data parameters get the wrong relocation address.
+ If I link two versions with and without this section bypassed
+ and then do a binary comparison, the addresses which are
+ different can be looked up in the map. The case in which
+ this section has been bypassed has addresses which correspond
+ to values I can find in the map. */
*addendp -= sym->n_value;
+#endif
}
+#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)
*addendp += h->root.u.c.size;
+#endif
+
+#ifdef COFF_WITH_PE
+ if (howto->pc_relative)
+ {
+ *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. */
+ if (sym != NULL && sym->n_scnum != 0)
+ *addendp -= sym->n_value;
+ }
+
+ 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 (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ switch (code)
+ {
+ case BFD_RELOC_RVA:
+ 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
-#include "coffcode.h"
+#ifdef TARGET_UNDERSCORE
+
+/* If i386 gcc uses underscores for symbol names, then it does not use
+ a leading dot for local labels, so if TARGET_UNDERSCORE is defined
+ we treat all symbols starting with L as local. */
-static const bfd_target *
-i3coff_object_p(a)
- bfd *a;
+static bfd_boolean
+coff_i386_is_local_label_name (bfd *abfd, const char *name)
{
- return coff_object_p(a);
+ if (name[0] == 'L')
+ return TRUE;
+
+ return _bfd_coff_is_local_label_name (abfd, name);
}
+#define coff_bfd_is_local_label_name coff_i386_is_local_label_name
+
+#endif /* TARGET_UNDERSCORE */
+
+#include "coffcode.h"
+
const bfd_target
#ifdef TARGET_SYM
TARGET_SYM =
#else
- i386coff_vec =
+ i386_coff_vec =
#endif
{
#ifdef TARGET_NAME
"coff-i386", /* name */
#endif
bfd_target_coff_flavour,
- false, /* data byte order is little */
- false, /* header byte order is little */
+ 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),
+ 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 ),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
#ifdef TARGET_UNDERSCORE
TARGET_UNDERSCORE, /* leading underscore */
#else
#endif
'/', /* ar_pad_char */
15, /* ar_max_namelen */
+ 0, /* match priority. */
- 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_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),
-
- COFF_SWAP_TABLE,
+/* Note that we allow an object file to be treated as a core file as well. */
+
+#ifdef COFF_CHECK_FORMAT
+ { /* bfd_check_format */
+ _bfd_dummy_target,
+ COFF_CHECK_FORMAT,
+ bfd_generic_archive_p,
+ COFF_CHECK_FORMAT
+ },
+#else
+ {
+ _bfd_dummy_target,
+ coff_object_p,
+ bfd_generic_archive_p,
+ coff_object_p
+ },
+#endif
+ { /* 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_object_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
};
projects / deliverable / binutils-gdb.git / blobdiff