/* BFD back-end for AMD 64 COFF files.
- Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2006-2016 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA.
-
+
Written by Kai Tietz, OneVision Software GmbH&CoKg. */
#ifndef COFF_WITH_pex64
#define COFF_WITH_pex64
#endif
+/* Note we have to make sure not to include headers twice.
+ Not all headers are wrapped in #ifdef guards, so we define
+ PEI_HEADERS to prevent double including here. */
+#ifndef PEI_HEADERS
#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
#include "coff/pe.h"
#include "libcoff.h"
#include "libiberty.h"
+#endif
#define BADMAG(x) AMD64BADMAG(x)
#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;
+ unsigned char *addr = (unsigned char *) data + reloc_entry->address;
+
+ /* FIXME: We do not have an end address for data, so we cannot
+ accurately range check any addresses computed against it.
+ cf: PR binutils/17512: file: 1085-1761-0.004.
+ For now we do the best that we can. */
+ if (addr < (unsigned char *) data
+ || addr > ((unsigned char *) data) + input_section->size)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return bfd_reloc_notsupported;
+ }
+
+ switch (howto->size)
+ {
+ 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, (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;
- switch (howto->size)
+ case 4:
{
- 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, (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;
- case 4:
- {
- long long x = bfd_get_64 (abfd, addr);
- DOIT (x);
- bfd_put_64 (abfd, (bfd_vma) x, addr);
- }
- break;
-
- default:
- abort ();
+ long long x = bfd_get_64 (abfd, addr);
+ DOIT (x);
+ bfd_put_64 (abfd, (bfd_vma) x, addr);
}
- }
+ break;
+
+ default:
+ bfd_set_error (bfd_error_bad_value);
+ return bfd_reloc_notsupported;
+ }
+ }
/* Now let bfd_perform_relocation finish everything up. */
return bfd_reloc_continue;
static bfd_boolean
in_reloc_p (bfd *abfd ATTRIBUTE_UNUSED, reloc_howto_type *howto)
{
- return ! howto->pc_relative && howto->type != R_AMD64_IMAGEBASE;
+ return ! howto->pc_relative && howto->type != R_AMD64_IMAGEBASE
+ && howto->type != R_AMD64_SECREL;
}
#endif /* COFF_WITH_PE */
PCRELOFFSET) /* pcrel_offset */
};
+#define NUM_HOWTOS ARRAY_SIZE (howto_table)
+
/* Turn a howto into a reloc nunmber */
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
#define RTYPE2HOWTO(cache_ptr, dst) \
((cache_ptr)->howto = \
- ((dst)->r_type < ARRAY_SIZE (howto_table)) \
+ ((dst)->r_type < NUM_HOWTOS) \
? howto_table + (dst)->r_type \
: NULL)
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 != NULL \
&& coffsym->native->u.syment.n_scnum == 0) \
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; \
}
struct internal_syment *syms,
asection **sections)
{
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,input_section, contents,relocs, syms, sections);
{
reloc_howto_type *howto;
- if (rel->r_type > ARRAY_SIZE (howto_table))
+ if (rel->r_type >= NUM_HOWTOS)
{
bfd_set_error (bfd_error_bad_value);
return NULL;
}
- if (rel->r_type >= R_AMD64_PCRLONG_1 && rel->r_type <= R_AMD64_PCRLONG_5)
- {
- rel->r_vaddr += (bfd_vma)(rel->r_type-R_AMD64_PCRLONG);
- rel->r_type = R_AMD64_PCRLONG;
- }
howto = howto_table + rel->r_type;
#if defined(COFF_WITH_PE)
/* Cancel out code in _bfd_coff_generic_relocate_section. */
*addendp = 0;
+ if (rel->r_type >= R_AMD64_PCRLONG_1 && rel->r_type <= R_AMD64_PCRLONG_5)
+ {
+ *addendp -= (bfd_vma)(rel->r_type - R_AMD64_PCRLONG);
+ rel->r_type = R_AMD64_PCRLONG;
+ }
#endif
if (howto->pc_relative)
#if defined(COFF_WITH_PE)
if (howto->pc_relative)
{
- *addendp -= 4;
+#ifndef DONT_EXTEND_AMD64
+ if (rel->r_type == R_AMD64_PCRQUAD)
+ *addendp -= 8;
+ else
+#endif
+ *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
{
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;
{
unsigned int i;
- for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); 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];
#endif /* TARGET_UNDERSCORE */
-#ifdef PE
-#undef bfd_pe_print_pdata
-#define bfd_pe_print_pdata _bfd_pex64_print_pdata
-#else /* PE */
#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata NULL
#endif
-#endif /* PE */
#include "coffcode.h"
#ifdef TARGET_SYM
TARGET_SYM =
#else
- x86_64coff_vec =
+ x86_64_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. */
#if defined(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,