/* BFD back-end for ARM COFF files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Written by Cygnus Support.
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., 59 Temple Place - Suite 330, 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/arm.h"
#include "coff/internal.h"
/* These most certainly belong somewhere else. Just had to get rid of
the manifest constants in the code. */
+
+#ifdef ARM_WINCE
+
+#define ARM_26D 0
+#define ARM_32 1
+#define ARM_RVA32 2
+#define ARM_26 3
+#define ARM_THUMB12 4
+#define ARM_SECTION 14
+#define ARM_SECREL 15
+
+#else
+
#define ARM_8 0
#define ARM_16 1
#define ARM_32 2
#define ARM_THUMB12 13
#define ARM_THUMB23 14
-#ifdef ARM_WINCE
-#undef ARM_32
-#undef ARM_RVA32
-#undef ARM_26
-#undef ARM_THUMB12
-#undef ARM_26D
-
-#define ARM_26D 0
-#define ARM_32 1
-#define ARM_RVA32 2
-#define ARM_26 3
-#define ARM_THUMB12 4
-#define ARM_SECTION 14
-#define ARM_SECREL 15
#endif
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
complain_overflow_dont,
aoutarm_fix_pcrel_26_done,
"ARM_26D",
- FALSE,
+ TRUE, /* partial_inplace. */
0x00ffffff,
0x0,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_RVA32",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECTION",
- FALSE,
+ TRUE, /* partial_inplace. */
0x0000ffff,
0x0000ffff,
PCRELOFFSET),
complain_overflow_bitfield,
coff_arm_reloc,
"ARM_SECREL",
- FALSE,
+ TRUE, /* partial_inplace. */
0xffffffff,
0xffffffff,
PCRELOFFSET),
if (rel->r_type == ARM_RVA32)
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
+#if defined COFF_WITH_PE && defined ARM_WINCE
+ if (rel->r_type == ARM_SECREL)
+ {
+ bfd_vma osect_vma;
+
+ if (h && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ osect_vma = h->root.u.def.section->output_section->vma;
+ else
+ {
+ asection *sec;
+ 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;
+
+ osect_vma = sec->output_section->vma;
+ }
+
+ *addendp -= osect_vma;
+ }
+#endif
+
return howto;
}
ASTD (BFD_RELOC_RVA, ARM_RVA32);
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
+ ASTD (BFD_RELOC_32_SECREL, ARM_SECREL);
#else
ASTD (BFD_RELOC_8, ARM_8);
ASTD (BFD_RELOC_16, ARM_16);
}
}
+static reloc_howto_type *
+coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < (sizeof (aoutarm_std_reloc_howto)
+ / sizeof (aoutarm_std_reloc_howto[0]));
+ i++)
+ if (aoutarm_std_reloc_howto[i].name != NULL
+ && strcasecmp (aoutarm_std_reloc_howto[i].name, r_name) == 0)
+ return &aoutarm_std_reloc_howto[i];
+
+ return NULL;
+}
+
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
#define COFF_PAGE_SIZE 0x1000
if (ret == NULL)
return NULL;
- if (! _bfd_coff_link_hash_table_init
- (& ret->root, abfd, _bfd_coff_link_hash_newfunc))
+ if (!_bfd_coff_link_hash_table_init (&ret->root,
+ abfd,
+ _bfd_coff_link_hash_newfunc,
+ sizeof (struct coff_link_hash_entry)))
{
free (ret);
return NULL;
return & ret->root.root;
}
-static void
+static bfd_boolean
arm_emit_base_file_entry (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;
+ 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);
+ if (fwrite (&addr, sizeof (addr), 1, (FILE *) info->base_file) == 1)
+ return TRUE;
+ bfd_set_error (bfd_error_system_call);
+ return FALSE;
}
\f
#ifndef ARM_WINCE
generation of bl's instruction offset. */
addend -= 8;
#endif
- howto = &fake_arm26_reloc;
+ howto = & fake_arm26_reloc;
}
#ifdef ARM_WINCE
/* MS ARM-CE makes the reloc relative to the opcode's pc, not
the next opcode's pc, so is off by one. */
+ if (howto->pc_relative && !info->relocatable)
+ addend -= 8;
#endif
/* If we are doing a relocatable link, then we can just ignore
bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
s->contents + my_offset + 8);
- if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, s,
- my_offset + 8);
-
+ if (info->base_file
+ && !arm_emit_base_file_entry (info, output_bfd,
+ s, my_offset + 8))
+ return FALSE;
}
BFD_ASSERT (my_offset <= globals->arm_glue_size);
bfd_put_32 (output_bfd, h_val,
s->contents + my_offset + 16);
- if (info->base_file)
- arm_emit_base_file_entry (info, output_bfd, s,
- my_offset + 16);
+ if (info->base_file
+ && !arm_emit_base_file_entry (info,
+ output_bfd, s,
+ my_offset + 16))
+ return FALSE;
}
else
{
}
}
- 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))
- arm_emit_base_file_entry (info, output_bfd, input_section,
- rel->r_vaddr);
- }
+ /* Emit a reloc if the backend thinks it needs it. */
+ if (info->base_file
+ && sym
+ && pe_data(output_bfd)->in_reloc_p(output_bfd, howto)
+ && !arm_emit_base_file_entry (info, output_bfd, input_section,
+ rel->r_vaddr))
+ return FALSE;
if (done)
rstat = bfd_reloc_ok;
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, ARM2THUMB_GLUE_SECTION_NAME);
-
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
if (sec == NULL)
{
- flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_CODE | SEC_READONLY;
-
- sec = bfd_make_section (abfd, THUMB2ARM_GLUE_SECTION_NAME);
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_CODE | SEC_READONLY);
+ sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
+ flags);
if (sec == NULL
- || ! bfd_set_section_flags (abfd, sec, flags)
|| ! bfd_set_section_alignment (abfd, sec, 2))
return FALSE;
}
#endif /* ! defined (COFF_IMAGE_WITH_PE) */
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
+#define coff_bfd_reloc_name_lookup coff_arm_reloc_name_lookup
#define coff_relocate_section coff_arm_relocate_section
#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
#define coff_adjust_symndx coff_arm_adjust_symndx
{
_bfd_error_handler
/* xgettext: c-format */
- (_("ERROR: %B is compiled for APCS-%d, whereas %B is compiled for APCS-%d"),
+ (_("error: %B is compiled for APCS-%d, whereas %B is compiled for APCS-%d"),
ibfd, obfd,
APCS_26_FLAG (ibfd) ? 26 : 32,
APCS_26_FLAG (obfd) ? 26 : 32
if (APCS_FLOAT_FLAG (ibfd))
/* xgettext: c-format */
- msg = _("ERROR: %B passes floats in float registers, whereas %B passes them in integer registers");
+ msg = _("error: %B passes floats in float registers, whereas %B passes them in integer registers");
else
/* xgettext: c-format */
- msg = _("ERROR: %B passes floats in integer registers, whereas %B passes them in float registers");
+ msg = _("error: %B passes floats in integer registers, whereas %B passes them in float registers");
_bfd_error_handler (msg, ibfd, obfd);
if (PIC_FLAG (ibfd))
/* xgettext: c-format */
- msg = _("ERROR: %B is compiled as position independent code, whereas target %B is absolute position");
+ msg = _("error: %B is compiled as position independent code, whereas target %B is absolute position");
else
/* xgettext: c-format */
- msg = _("ERROR: %B is compiled as absolute position code, whereas target %B is position independent");
+ msg = _("error: %B is compiled as absolute position code, whereas target %B is position independent");
_bfd_error_handler (msg, ibfd, obfd);
bfd_set_error (bfd_error_wrong_format);
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
*must* match the definitions in gcc/config/arm/{coff|semi|aout}.h. */
+#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX ""
+#endif
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
#endif
return bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
}
+#ifndef bfd_pe_print_pdata
+#define bfd_pe_print_pdata NULL
+#endif
+
#include "coffcode.h"
#ifndef TARGET_LITTLE_SYM