/* BFD back-end for Intel 386 COFF files.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2015 Free Software Foundation, Inc.
Written by Cygnus Support.
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
+ 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,
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. */
+ 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"
#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 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));
+ (bfd *, bfd_reloc_code_real_type);
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
/* The page size is a guess based on ELF. */
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 ATTRIBUTE_UNUSED,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
symvalue diff;
/* Return TRUE if this relocation should appear in the output .reloc
section. */
-static bfd_boolean in_reloc_p PARAMS ((bfd *, reloc_howto_type *));
-
-static bfd_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;
+ return ! howto->pc_relative && howto->type != R_IMAGEBASE
+ && howto->type != R_SECREL32;
}
#endif /* COFF_WITH_PE */
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
coffsym = (obj_symbols (abfd) \
+ (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; \
}
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
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- struct internal_reloc *, struct internal_syment *, asection **));
-
static bfd_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;
+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->relocatable)
return TRUE;
/* 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;
*addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
}
- if (rel->r_type == R_SECREL32)
+ /* 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->type == bfd_link_hash_defined
- || h->type == bfd_link_hash_defweak))
+ 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 *sec;
+ asection *s;
int i;
/* Sigh, the only way to get the section to offset against
is to find it the hard way. */
- for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
- sec = sec->next;
+ for (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
+ s = s->next;
- osect_vma = sec->output_section->vma;
+ osect_vma = s->output_section->vma;
}
*addendp -= osect_vma;
}
#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)
{
}
}
+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
a leading dot for local labels, so if TARGET_UNDERSCORE is defined
we treat all symbols starting with L as local. */
-static bfd_boolean coff_i386_is_local_label_name
- PARAMS ((bfd *, const char *));
-
static bfd_boolean
-coff_i386_is_local_label_name (abfd, name)
- bfd *abfd;
- const char *name;
+coff_i386_is_local_label_name (bfd *abfd, const char *name)
{
if (name[0] == 'L')
return TRUE;
#ifdef TARGET_SYM
TARGET_SYM =
#else
- i386coff_vec =
+ i386_coff_vec =
#endif
{
#ifdef TARGET_NAME
(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_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
#endif
- | SEC_CODE | SEC_DATA),
+ | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
#ifdef TARGET_UNDERSCORE
TARGET_UNDERSCORE, /* 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, /* hdrs */
/* Note that we allow an object file to be treated as a core file as well. */
- {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, coff_object_p},
+ /* bfd_check_format */
+#ifdef COFF_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_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
bfd_false},
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
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