# This shell script emits a C file. -*- C -*-
|
# This shell script emits a C file. -*- C -*-
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# Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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# Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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# 2004, 2005, 2006, 2007, 2008, 2009
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# 2004, 2005, 2006, 2007, 2008, 2009
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# Free Software Foundation, Inc.
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# Free Software Foundation, Inc.
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#
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#
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# This file is part of the GNU Binutils.
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# This file is part of the GNU Binutils.
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# MA 02110-1301, USA.
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#
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#
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|
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# This file is sourced from elf32.em, and defines extra arm-elf
|
# This file is sourced from elf32.em, and defines extra arm-elf
|
# specific routines.
|
# specific routines.
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#
|
#
|
test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
|
test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
|
fragment <
|
fragment <
|
|
|
#include "ldctor.h"
|
#include "ldctor.h"
|
#include "elf/arm.h"
|
#include "elf/arm.h"
|
|
|
static char *thumb_entry_symbol = NULL;
|
static char *thumb_entry_symbol = NULL;
|
static int byteswap_code = 0;
|
static int byteswap_code = 0;
|
static int target1_is_rel = 0${TARGET1_IS_REL};
|
static int target1_is_rel = 0${TARGET1_IS_REL};
|
static char *target2_type = "${TARGET2_TYPE}";
|
static char *target2_type = "${TARGET2_TYPE}";
|
static int fix_v4bx = 0;
|
static int fix_v4bx = 0;
|
static int use_blx = 0;
|
static int use_blx = 0;
|
static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT;
|
static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT;
|
static int fix_cortex_a8 = -1;
|
static int fix_cortex_a8 = -1;
|
static int no_enum_size_warning = 0;
|
static int no_enum_size_warning = 0;
|
static int no_wchar_size_warning = 0;
|
static int no_wchar_size_warning = 0;
|
static int pic_veneer = 0;
|
static int pic_veneer = 0;
|
static int merge_exidx_entries = -1;
|
static int merge_exidx_entries = -1;
|
|
static int fix_arm1176 = 1;
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_before_parse (void)
|
gld${EMULATION_NAME}_before_parse (void)
|
{
|
{
|
#ifndef TARGET_ /* I.e., if not generic. */
|
#ifndef TARGET_ /* I.e., if not generic. */
|
ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
|
ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
|
#endif /* not TARGET_ */
|
#endif /* not TARGET_ */
|
config.dynamic_link = ${DYNAMIC_LINK-TRUE};
|
config.dynamic_link = ${DYNAMIC_LINK-TRUE};
|
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
|
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
|
}
|
}
|
|
|
static void
|
static void
|
arm_elf_before_allocation (void)
|
arm_elf_before_allocation (void)
|
{
|
{
|
bfd_elf32_arm_set_byteswap_code (&link_info, byteswap_code);
|
bfd_elf32_arm_set_byteswap_code (&link_info, byteswap_code);
|
|
|
/* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
|
/* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
|
due to architecture version. */
|
due to architecture version. */
|
bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
|
bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
|
|
|
/* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
|
/* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
|
bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
|
bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
|
|
|
/* We should be able to set the size of the interworking stub section. We
|
/* We should be able to set the size of the interworking stub section. We
|
can't do it until later if we have dynamic sections, though. */
|
can't do it until later if we have dynamic sections, though. */
|
if (elf_hash_table (&link_info)->dynobj == NULL)
|
if (elf_hash_table (&link_info)->dynobj == NULL)
|
{
|
{
|
/* Here we rummage through the found bfds to collect glue information. */
|
/* Here we rummage through the found bfds to collect glue information. */
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
{
|
{
|
/* Initialise mapping tables for code/data. */
|
/* Initialise mapping tables for code/data. */
|
bfd_elf32_arm_init_maps (is->the_bfd);
|
bfd_elf32_arm_init_maps (is->the_bfd);
|
|
|
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
|
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
|
&link_info)
|
&link_info)
|
|| !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info))
|
|| !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info))
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
einfo (_("Errors encountered processing file %s"), is->filename);
|
einfo (_("Errors encountered processing file %s"), is->filename);
|
}
|
}
|
|
|
/* We have seen it all. Allocate it, and carry on. */
|
/* We have seen it all. Allocate it, and carry on. */
|
bfd_elf32_arm_allocate_interworking_sections (& link_info);
|
bfd_elf32_arm_allocate_interworking_sections (& link_info);
|
}
|
}
|
|
|
/* Call the standard elf routine. */
|
/* Call the standard elf routine. */
|
gld${EMULATION_NAME}_before_allocation ();
|
gld${EMULATION_NAME}_before_allocation ();
|
}
|
}
|
|
|
/* Fake input file for stubs. */
|
/* Fake input file for stubs. */
|
static lang_input_statement_type *stub_file;
|
static lang_input_statement_type *stub_file;
|
|
|
/* Whether we need to call gldarm_layout_sections_again. */
|
/* Whether we need to call gldarm_layout_sections_again. */
|
static int need_laying_out = 0;
|
static int need_laying_out = 0;
|
|
|
/* Maximum size of a group of input sections that can be handled by
|
/* Maximum size of a group of input sections that can be handled by
|
one stub section. A value of +/-1 indicates the bfd back-end
|
one stub section. A value of +/-1 indicates the bfd back-end
|
should use a suitable default size. */
|
should use a suitable default size. */
|
static bfd_signed_vma group_size = 1;
|
static bfd_signed_vma group_size = 1;
|
|
|
struct hook_stub_info
|
struct hook_stub_info
|
{
|
{
|
lang_statement_list_type add;
|
lang_statement_list_type add;
|
asection *input_section;
|
asection *input_section;
|
};
|
};
|
|
|
/* Traverse the linker tree to find the spot where the stub goes. */
|
/* Traverse the linker tree to find the spot where the stub goes. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
|
hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
|
{
|
{
|
lang_statement_union_type *l;
|
lang_statement_union_type *l;
|
bfd_boolean ret;
|
bfd_boolean ret;
|
|
|
for (; (l = *lp) != NULL; lp = &l->header.next)
|
for (; (l = *lp) != NULL; lp = &l->header.next)
|
{
|
{
|
switch (l->header.type)
|
switch (l->header.type)
|
{
|
{
|
case lang_constructors_statement_enum:
|
case lang_constructors_statement_enum:
|
ret = hook_in_stub (info, &constructor_list.head);
|
ret = hook_in_stub (info, &constructor_list.head);
|
if (ret)
|
if (ret)
|
return ret;
|
return ret;
|
break;
|
break;
|
|
|
case lang_output_section_statement_enum:
|
case lang_output_section_statement_enum:
|
ret = hook_in_stub (info,
|
ret = hook_in_stub (info,
|
&l->output_section_statement.children.head);
|
&l->output_section_statement.children.head);
|
if (ret)
|
if (ret)
|
return ret;
|
return ret;
|
break;
|
break;
|
|
|
case lang_wild_statement_enum:
|
case lang_wild_statement_enum:
|
ret = hook_in_stub (info, &l->wild_statement.children.head);
|
ret = hook_in_stub (info, &l->wild_statement.children.head);
|
if (ret)
|
if (ret)
|
return ret;
|
return ret;
|
break;
|
break;
|
|
|
case lang_group_statement_enum:
|
case lang_group_statement_enum:
|
ret = hook_in_stub (info, &l->group_statement.children.head);
|
ret = hook_in_stub (info, &l->group_statement.children.head);
|
if (ret)
|
if (ret)
|
return ret;
|
return ret;
|
break;
|
break;
|
|
|
case lang_input_section_enum:
|
case lang_input_section_enum:
|
if (l->input_section.section == info->input_section)
|
if (l->input_section.section == info->input_section)
|
{
|
{
|
/* We've found our section. Insert the stub immediately
|
/* We've found our section. Insert the stub immediately
|
after its associated input section. */
|
after its associated input section. */
|
*(info->add.tail) = l->header.next;
|
*(info->add.tail) = l->header.next;
|
l->header.next = info->add.head;
|
l->header.next = info->add.head;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
case lang_data_statement_enum:
|
case lang_data_statement_enum:
|
case lang_reloc_statement_enum:
|
case lang_reloc_statement_enum:
|
case lang_object_symbols_statement_enum:
|
case lang_object_symbols_statement_enum:
|
case lang_output_statement_enum:
|
case lang_output_statement_enum:
|
case lang_target_statement_enum:
|
case lang_target_statement_enum:
|
case lang_input_statement_enum:
|
case lang_input_statement_enum:
|
case lang_assignment_statement_enum:
|
case lang_assignment_statement_enum:
|
case lang_padding_statement_enum:
|
case lang_padding_statement_enum:
|
case lang_address_statement_enum:
|
case lang_address_statement_enum:
|
case lang_fill_statement_enum:
|
case lang_fill_statement_enum:
|
break;
|
break;
|
|
|
default:
|
default:
|
FAIL ();
|
FAIL ();
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
|
|
/* Call-back for elf32_arm_size_stubs. */
|
/* Call-back for elf32_arm_size_stubs. */
|
|
|
/* Create a new stub section, and arrange for it to be linked
|
/* Create a new stub section, and arrange for it to be linked
|
immediately after INPUT_SECTION. */
|
immediately after INPUT_SECTION. */
|
|
|
static asection *
|
static asection *
|
elf32_arm_add_stub_section (const char *stub_sec_name,
|
elf32_arm_add_stub_section (const char *stub_sec_name,
|
asection *input_section)
|
asection *input_section)
|
{
|
{
|
asection *stub_sec;
|
asection *stub_sec;
|
flagword flags;
|
flagword flags;
|
asection *output_section;
|
asection *output_section;
|
const char *secname;
|
const char *secname;
|
lang_output_section_statement_type *os;
|
lang_output_section_statement_type *os;
|
struct hook_stub_info info;
|
struct hook_stub_info info;
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
|
| SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
|
| SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
|
stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
|
stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
|
stub_sec_name, flags);
|
stub_sec_name, flags);
|
if (stub_sec == NULL)
|
if (stub_sec == NULL)
|
goto err_ret;
|
goto err_ret;
|
|
|
bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3);
|
bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3);
|
|
|
output_section = input_section->output_section;
|
output_section = input_section->output_section;
|
secname = bfd_get_section_name (output_section->owner, output_section);
|
secname = bfd_get_section_name (output_section->owner, output_section);
|
os = lang_output_section_find (secname);
|
os = lang_output_section_find (secname);
|
|
|
info.input_section = input_section;
|
info.input_section = input_section;
|
lang_list_init (&info.add);
|
lang_list_init (&info.add);
|
lang_add_section (&info.add, stub_sec, os);
|
lang_add_section (&info.add, stub_sec, os);
|
|
|
if (info.add.head == NULL)
|
if (info.add.head == NULL)
|
goto err_ret;
|
goto err_ret;
|
|
|
if (hook_in_stub (&info, &os->children.head))
|
if (hook_in_stub (&info, &os->children.head))
|
return stub_sec;
|
return stub_sec;
|
|
|
err_ret:
|
err_ret:
|
einfo ("%X%P: can not make stub section: %E\n");
|
einfo ("%X%P: can not make stub section: %E\n");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Another call-back for elf_arm_size_stubs. */
|
/* Another call-back for elf_arm_size_stubs. */
|
|
|
static void
|
static void
|
gldarm_layout_sections_again (void)
|
gldarm_layout_sections_again (void)
|
{
|
{
|
/* If we have changed sizes of the stub sections, then we need
|
/* If we have changed sizes of the stub sections, then we need
|
to recalculate all the section offsets. This may mean we need to
|
to recalculate all the section offsets. This may mean we need to
|
add even more stubs. */
|
add even more stubs. */
|
gld${EMULATION_NAME}_map_segments (TRUE);
|
gld${EMULATION_NAME}_map_segments (TRUE);
|
need_laying_out = -1;
|
need_laying_out = -1;
|
}
|
}
|
|
|
static void
|
static void
|
build_section_lists (lang_statement_union_type *statement)
|
build_section_lists (lang_statement_union_type *statement)
|
{
|
{
|
if (statement->header.type == lang_input_section_enum)
|
if (statement->header.type == lang_input_section_enum)
|
{
|
{
|
asection *i = statement->input_section.section;
|
asection *i = statement->input_section.section;
|
|
|
if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
|
if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
|
&& (i->flags & SEC_EXCLUDE) == 0
|
&& (i->flags & SEC_EXCLUDE) == 0
|
&& i->output_section != NULL
|
&& i->output_section != NULL
|
&& i->output_section->owner == link_info.output_bfd)
|
&& i->output_section->owner == link_info.output_bfd)
|
elf32_arm_next_input_section (& link_info, i);
|
elf32_arm_next_input_section (& link_info, i);
|
}
|
}
|
}
|
}
|
|
|
static int
|
static int
|
compare_output_sec_vma (const void *a, const void *b)
|
compare_output_sec_vma (const void *a, const void *b)
|
{
|
{
|
asection *asec = *(asection **) a, *bsec = *(asection **) b;
|
asection *asec = *(asection **) a, *bsec = *(asection **) b;
|
asection *aout = asec->output_section, *bout = bsec->output_section;
|
asection *aout = asec->output_section, *bout = bsec->output_section;
|
bfd_vma avma, bvma;
|
bfd_vma avma, bvma;
|
|
|
/* If there's no output section for some reason, compare equal. */
|
/* If there's no output section for some reason, compare equal. */
|
if (!aout || !bout)
|
if (!aout || !bout)
|
return 0;
|
return 0;
|
|
|
avma = aout->vma + asec->output_offset;
|
avma = aout->vma + asec->output_offset;
|
bvma = bout->vma + bsec->output_offset;
|
bvma = bout->vma + bsec->output_offset;
|
|
|
if (avma > bvma)
|
if (avma > bvma)
|
return 1;
|
return 1;
|
else if (avma < bvma)
|
else if (avma < bvma)
|
return -1;
|
return -1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_after_allocation (void)
|
gld${EMULATION_NAME}_after_allocation (void)
|
{
|
{
|
if (!link_info.relocatable)
|
if (!link_info.relocatable)
|
{
|
{
|
/* Build a sorted list of input text sections, then use that to process
|
/* Build a sorted list of input text sections, then use that to process
|
the unwind table index. */
|
the unwind table index. */
|
unsigned int list_size = 10;
|
unsigned int list_size = 10;
|
asection **sec_list = (asection **)
|
asection **sec_list = (asection **)
|
xmalloc (list_size * sizeof (asection *));
|
xmalloc (list_size * sizeof (asection *));
|
unsigned int sec_count = 0;
|
unsigned int sec_count = 0;
|
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
{
|
{
|
bfd *abfd = is->the_bfd;
|
bfd *abfd = is->the_bfd;
|
asection *sec;
|
asection *sec;
|
|
|
if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
|
if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
|
continue;
|
continue;
|
|
|
for (sec = abfd->sections; sec != NULL; sec = sec->next)
|
for (sec = abfd->sections; sec != NULL; sec = sec->next)
|
{
|
{
|
asection *out_sec = sec->output_section;
|
asection *out_sec = sec->output_section;
|
|
|
if (out_sec
|
if (out_sec
|
&& elf_section_data (sec)
|
&& elf_section_data (sec)
|
&& elf_section_type (sec) == SHT_PROGBITS
|
&& elf_section_type (sec) == SHT_PROGBITS
|
&& (elf_section_flags (sec) & SHF_EXECINSTR) != 0
|
&& (elf_section_flags (sec) & SHF_EXECINSTR) != 0
|
&& (sec->flags & SEC_EXCLUDE) == 0
|
&& (sec->flags & SEC_EXCLUDE) == 0
|
&& sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS
|
&& sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS
|
&& out_sec != bfd_abs_section_ptr)
|
&& out_sec != bfd_abs_section_ptr)
|
{
|
{
|
if (sec_count == list_size)
|
if (sec_count == list_size)
|
{
|
{
|
list_size *= 2;
|
list_size *= 2;
|
sec_list = (asection **)
|
sec_list = (asection **)
|
xrealloc (sec_list, list_size * sizeof (asection *));
|
xrealloc (sec_list, list_size * sizeof (asection *));
|
}
|
}
|
|
|
sec_list[sec_count++] = sec;
|
sec_list[sec_count++] = sec;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
|
qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
|
|
|
if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
|
if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
|
merge_exidx_entries))
|
merge_exidx_entries))
|
need_laying_out = 1;
|
need_laying_out = 1;
|
|
|
free (sec_list);
|
free (sec_list);
|
}
|
}
|
|
|
/* bfd_elf32_discard_info just plays with debugging sections,
|
/* bfd_elf32_discard_info just plays with debugging sections,
|
ie. doesn't affect any code, so we can delay resizing the
|
ie. doesn't affect any code, so we can delay resizing the
|
sections. It's likely we'll resize everything in the process of
|
sections. It's likely we'll resize everything in the process of
|
adding stubs. */
|
adding stubs. */
|
if (bfd_elf_discard_info (link_info.output_bfd, & link_info))
|
if (bfd_elf_discard_info (link_info.output_bfd, & link_info))
|
need_laying_out = 1;
|
need_laying_out = 1;
|
|
|
/* If generating a relocatable output file, then we don't
|
/* If generating a relocatable output file, then we don't
|
have to examine the relocs. */
|
have to examine the relocs. */
|
if (stub_file != NULL && !link_info.relocatable)
|
if (stub_file != NULL && !link_info.relocatable)
|
{
|
{
|
int ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info);
|
int ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info);
|
|
|
if (ret != 0)
|
if (ret != 0)
|
{
|
{
|
if (ret < 0)
|
if (ret < 0)
|
{
|
{
|
einfo ("%X%P: could not compute sections lists for stub generation: %E\n");
|
einfo ("%X%P: could not compute sections lists for stub generation: %E\n");
|
return;
|
return;
|
}
|
}
|
|
|
lang_for_each_statement (build_section_lists);
|
lang_for_each_statement (build_section_lists);
|
|
|
/* Call into the BFD backend to do the real work. */
|
/* Call into the BFD backend to do the real work. */
|
if (! elf32_arm_size_stubs (link_info.output_bfd,
|
if (! elf32_arm_size_stubs (link_info.output_bfd,
|
stub_file->the_bfd,
|
stub_file->the_bfd,
|
& link_info,
|
& link_info,
|
group_size,
|
group_size,
|
& elf32_arm_add_stub_section,
|
& elf32_arm_add_stub_section,
|
& gldarm_layout_sections_again))
|
& gldarm_layout_sections_again))
|
{
|
{
|
einfo ("%X%P: cannot size stub section: %E\n");
|
einfo ("%X%P: cannot size stub section: %E\n");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (need_laying_out != -1)
|
if (need_laying_out != -1)
|
gld${EMULATION_NAME}_map_segments (need_laying_out);
|
gld${EMULATION_NAME}_map_segments (need_laying_out);
|
}
|
}
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_finish (void)
|
gld${EMULATION_NAME}_finish (void)
|
{
|
{
|
struct bfd_link_hash_entry * h;
|
struct bfd_link_hash_entry * h;
|
|
|
{
|
{
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
{
|
{
|
/* Figure out where VFP11 erratum veneers (and the labels returning
|
/* Figure out where VFP11 erratum veneers (and the labels returning
|
from same) have been placed. */
|
from same) have been placed. */
|
bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
|
bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
|
}
|
}
|
}
|
}
|
|
|
if (! link_info.relocatable)
|
if (! link_info.relocatable)
|
{
|
{
|
/* Now build the linker stubs. */
|
/* Now build the linker stubs. */
|
if (stub_file->the_bfd->sections != NULL)
|
if (stub_file->the_bfd->sections != NULL)
|
{
|
{
|
if (! elf32_arm_build_stubs (& link_info))
|
if (! elf32_arm_build_stubs (& link_info))
|
einfo ("%X%P: can not build stubs: %E\n");
|
einfo ("%X%P: can not build stubs: %E\n");
|
}
|
}
|
}
|
}
|
|
|
finish_default ();
|
finish_default ();
|
|
|
if (thumb_entry_symbol)
|
if (thumb_entry_symbol)
|
{
|
{
|
h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
|
h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
}
|
}
|
else
|
else
|
{
|
{
|
struct elf_link_hash_entry * eh;
|
struct elf_link_hash_entry * eh;
|
|
|
if (!entry_symbol.name)
|
if (!entry_symbol.name)
|
return;
|
return;
|
|
|
h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
|
h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
eh = (struct elf_link_hash_entry *)h;
|
eh = (struct elf_link_hash_entry *)h;
|
if (!h || eh->target_internal != ST_BRANCH_TO_THUMB)
|
if (!h || eh->target_internal != ST_BRANCH_TO_THUMB)
|
return;
|
return;
|
}
|
}
|
|
|
|
|
if (h != (struct bfd_link_hash_entry *) NULL
|
if (h != (struct bfd_link_hash_entry *) NULL
|
&& (h->type == bfd_link_hash_defined
|
&& (h->type == bfd_link_hash_defined
|
|| h->type == bfd_link_hash_defweak)
|
|| h->type == bfd_link_hash_defweak)
|
&& h->u.def.section->output_section != NULL)
|
&& h->u.def.section->output_section != NULL)
|
{
|
{
|
static char buffer[32];
|
static char buffer[32];
|
bfd_vma val;
|
bfd_vma val;
|
|
|
/* Special procesing is required for a Thumb entry symbol. The
|
/* Special procesing is required for a Thumb entry symbol. The
|
bottom bit of its address must be set. */
|
bottom bit of its address must be set. */
|
val = (h->u.def.value
|
val = (h->u.def.value
|
+ bfd_get_section_vma (link_info.output_bfd,
|
+ bfd_get_section_vma (link_info.output_bfd,
|
h->u.def.section->output_section)
|
h->u.def.section->output_section)
|
+ h->u.def.section->output_offset);
|
+ h->u.def.section->output_offset);
|
|
|
val |= 1;
|
val |= 1;
|
|
|
/* Now convert this value into a string and store it in entry_symbol
|
/* Now convert this value into a string and store it in entry_symbol
|
where the lang_finish() function will pick it up. */
|
where the lang_finish() function will pick it up. */
|
buffer[0] = '0';
|
buffer[0] = '0';
|
buffer[1] = 'x';
|
buffer[1] = 'x';
|
|
|
sprintf_vma (buffer + 2, val);
|
sprintf_vma (buffer + 2, val);
|
|
|
if (thumb_entry_symbol != NULL && entry_symbol.name != NULL
|
if (thumb_entry_symbol != NULL && entry_symbol.name != NULL
|
&& entry_from_cmdline)
|
&& entry_from_cmdline)
|
einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
|
einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
|
thumb_entry_symbol, entry_symbol.name);
|
thumb_entry_symbol, entry_symbol.name);
|
entry_symbol.name = buffer;
|
entry_symbol.name = buffer;
|
}
|
}
|
else
|
else
|
einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
|
einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
|
thumb_entry_symbol);
|
thumb_entry_symbol);
|
}
|
}
|
|
|
/* This is a convenient point to tell BFD about target specific flags.
|
/* This is a convenient point to tell BFD about target specific flags.
|
After the output has been created, but before inputs are read. */
|
After the output has been created, but before inputs are read. */
|
static void
|
static void
|
arm_elf_create_output_section_statements (void)
|
arm_elf_create_output_section_statements (void)
|
{
|
{
|
if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
|
if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
|
{
|
{
|
/* The arm backend needs special fields in the output hash structure.
|
/* The arm backend needs special fields in the output hash structure.
|
These will only be created if the output format is an arm format,
|
These will only be created if the output format is an arm format,
|
hence we do not support linking and changing output formats at the
|
hence we do not support linking and changing output formats at the
|
same time. Use a link followed by objcopy to change output formats. */
|
same time. Use a link followed by objcopy to change output formats. */
|
einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n");
|
einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n");
|
return;
|
return;
|
}
|
}
|
|
|
bfd_elf32_arm_set_target_relocs (link_info.output_bfd, &link_info,
|
bfd_elf32_arm_set_target_relocs (link_info.output_bfd, &link_info,
|
target1_is_rel,
|
target1_is_rel,
|
target2_type, fix_v4bx, use_blx,
|
target2_type, fix_v4bx, use_blx,
|
vfp11_denorm_fix, no_enum_size_warning,
|
vfp11_denorm_fix, no_enum_size_warning,
|
no_wchar_size_warning,
|
no_wchar_size_warning,
|
pic_veneer, fix_cortex_a8);
|
pic_veneer, fix_cortex_a8,
|
|
fix_arm1176);
|
|
|
stub_file = lang_add_input_file ("linker stubs",
|
stub_file = lang_add_input_file ("linker stubs",
|
lang_input_file_is_fake_enum,
|
lang_input_file_is_fake_enum,
|
NULL);
|
NULL);
|
stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
|
stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
|
if (stub_file->the_bfd == NULL
|
if (stub_file->the_bfd == NULL
|
|| ! bfd_set_arch_mach (stub_file->the_bfd,
|
|| ! bfd_set_arch_mach (stub_file->the_bfd,
|
bfd_get_arch (link_info.output_bfd),
|
bfd_get_arch (link_info.output_bfd),
|
bfd_get_mach (link_info.output_bfd)))
|
bfd_get_mach (link_info.output_bfd)))
|
{
|
{
|
einfo ("%X%P: can not create BFD %E\n");
|
einfo ("%X%P: can not create BFD %E\n");
|
return;
|
return;
|
}
|
}
|
|
|
stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
|
stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
|
ldlang_add_file (stub_file);
|
ldlang_add_file (stub_file);
|
|
|
/* Also use the stub file for stubs placed in a single output section. */
|
/* Also use the stub file for stubs placed in a single output section. */
|
bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
|
bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
|
bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
|
bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
|
}
|
}
|
|
|
/* Avoid processing the fake stub_file in vercheck, stat_needed and
|
/* Avoid processing the fake stub_file in vercheck, stat_needed and
|
check_needed routines. */
|
check_needed routines. */
|
|
|
static void (*real_func) (lang_input_statement_type *);
|
static void (*real_func) (lang_input_statement_type *);
|
|
|
static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
|
static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
|
{
|
{
|
if (l != stub_file)
|
if (l != stub_file)
|
(*real_func) (l);
|
(*real_func) (l);
|
}
|
}
|
|
|
static void
|
static void
|
arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
|
arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
|
{
|
{
|
real_func = func;
|
real_func = func;
|
lang_for_each_input_file (&arm_for_each_input_file_wrapper);
|
lang_for_each_input_file (&arm_for_each_input_file_wrapper);
|
}
|
}
|
|
|
#define lang_for_each_input_file arm_lang_for_each_input_file
|
#define lang_for_each_input_file arm_lang_for_each_input_file
|
|
|
EOF
|
EOF
|
|
|
# Define some shell vars to insert bits of code into the standard elf
|
# Define some shell vars to insert bits of code into the standard elf
|
# parse_args and list_options functions.
|
# parse_args and list_options functions.
|
#
|
#
|
PARSE_AND_LIST_PROLOGUE='
|
PARSE_AND_LIST_PROLOGUE='
|
#define OPTION_THUMB_ENTRY 301
|
#define OPTION_THUMB_ENTRY 301
|
#define OPTION_BE8 302
|
#define OPTION_BE8 302
|
#define OPTION_TARGET1_REL 303
|
#define OPTION_TARGET1_REL 303
|
#define OPTION_TARGET1_ABS 304
|
#define OPTION_TARGET1_ABS 304
|
#define OPTION_TARGET2 305
|
#define OPTION_TARGET2 305
|
#define OPTION_FIX_V4BX 306
|
#define OPTION_FIX_V4BX 306
|
#define OPTION_USE_BLX 307
|
#define OPTION_USE_BLX 307
|
#define OPTION_VFP11_DENORM_FIX 308
|
#define OPTION_VFP11_DENORM_FIX 308
|
#define OPTION_NO_ENUM_SIZE_WARNING 309
|
#define OPTION_NO_ENUM_SIZE_WARNING 309
|
#define OPTION_PIC_VENEER 310
|
#define OPTION_PIC_VENEER 310
|
#define OPTION_FIX_V4BX_INTERWORKING 311
|
#define OPTION_FIX_V4BX_INTERWORKING 311
|
#define OPTION_STUBGROUP_SIZE 312
|
#define OPTION_STUBGROUP_SIZE 312
|
#define OPTION_NO_WCHAR_SIZE_WARNING 313
|
#define OPTION_NO_WCHAR_SIZE_WARNING 313
|
#define OPTION_FIX_CORTEX_A8 314
|
#define OPTION_FIX_CORTEX_A8 314
|
#define OPTION_NO_FIX_CORTEX_A8 315
|
#define OPTION_NO_FIX_CORTEX_A8 315
|
#define OPTION_NO_MERGE_EXIDX_ENTRIES 316
|
#define OPTION_NO_MERGE_EXIDX_ENTRIES 316
|
|
#define OPTION_FIX_ARM1176 317
|
|
#define OPTION_NO_FIX_ARM1176 318
|
'
|
'
|
|
|
PARSE_AND_LIST_SHORTOPTS=p
|
PARSE_AND_LIST_SHORTOPTS=p
|
|
|
PARSE_AND_LIST_LONGOPTS='
|
PARSE_AND_LIST_LONGOPTS='
|
{ "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
|
{ "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
|
{ "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
|
{ "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
|
{ "be8", no_argument, NULL, OPTION_BE8},
|
{ "be8", no_argument, NULL, OPTION_BE8},
|
{ "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
|
{ "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
|
{ "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
|
{ "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
|
{ "target2", required_argument, NULL, OPTION_TARGET2},
|
{ "target2", required_argument, NULL, OPTION_TARGET2},
|
{ "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
|
{ "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
|
{ "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
|
{ "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
|
{ "use-blx", no_argument, NULL, OPTION_USE_BLX},
|
{ "use-blx", no_argument, NULL, OPTION_USE_BLX},
|
{ "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
|
{ "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
|
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
|
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
|
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
|
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
|
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
|
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
|
{ "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
|
{ "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
|
{ "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
|
{ "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
|
{ "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
|
{ "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
|
{ "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
|
{ "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
|
|
{ "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
|
|
{ "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
|
'
|
'
|
|
|
PARSE_AND_LIST_OPTIONS='
|
PARSE_AND_LIST_OPTIONS='
|
fprintf (file, _(" --thumb-entry= Set the entry point to be Thumb symbol \n"));
|
fprintf (file, _(" --thumb-entry= Set the entry point to be Thumb symbol \n"));
|
fprintf (file, _(" --be8 Output BE8 format image\n"));
|
fprintf (file, _(" --be8 Output BE8 format image\n"));
|
fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
|
fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
|
fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
|
fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
|
fprintf (file, _(" --target2= Specify definition of R_ARM_TARGET2\n"));
|
fprintf (file, _(" --target2= Specify definition of R_ARM_TARGET2\n"));
|
fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
|
fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
|
fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
|
fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
|
fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
|
fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
|
fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
|
fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
|
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
|
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
|
" enum sizes\n"));
|
" enum sizes\n"));
|
fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible"
|
fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible"
|
" wchar_t sizes\n"));
|
" wchar_t sizes\n"));
|
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
|
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--stub-group-size=N Maximum size of a group of input sections that can be\n\
|
--stub-group-size=N Maximum size of a group of input sections that can be\n\
|
handled by one stub section. A negative value\n\
|
handled by one stub section. A negative value\n\
|
locates all stubs after their branches (with a\n\
|
locates all stubs after their branches (with a\n\
|
group size of -N), while a positive value allows\n\
|
group size of -N), while a positive value allows\n\
|
two groups of input sections, one before, and one\n\
|
two groups of input sections, one before, and one\n\
|
after each stub section. Values of +/-1 indicate\n\
|
after each stub section. Values of +/-1 indicate\n\
|
the linker should choose suitable defaults.\n"
|
the linker should choose suitable defaults.\n"
|
));
|
));
|
fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
|
fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
|
fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
|
fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
|
|
fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
|
'
|
'
|
|
|
PARSE_AND_LIST_ARGS_CASES='
|
PARSE_AND_LIST_ARGS_CASES='
|
case '\'p\'':
|
case '\'p\'':
|
/* Only here for backwards compatibility. */
|
/* Only here for backwards compatibility. */
|
break;
|
break;
|
|
|
case OPTION_THUMB_ENTRY:
|
case OPTION_THUMB_ENTRY:
|
thumb_entry_symbol = optarg;
|
thumb_entry_symbol = optarg;
|
break;
|
break;
|
|
|
case OPTION_BE8:
|
case OPTION_BE8:
|
byteswap_code = 1;
|
byteswap_code = 1;
|
break;
|
break;
|
|
|
case OPTION_TARGET1_REL:
|
case OPTION_TARGET1_REL:
|
target1_is_rel = 1;
|
target1_is_rel = 1;
|
break;
|
break;
|
|
|
case OPTION_TARGET1_ABS:
|
case OPTION_TARGET1_ABS:
|
target1_is_rel = 0;
|
target1_is_rel = 0;
|
break;
|
break;
|
|
|
case OPTION_TARGET2:
|
case OPTION_TARGET2:
|
target2_type = optarg;
|
target2_type = optarg;
|
break;
|
break;
|
|
|
case OPTION_FIX_V4BX:
|
case OPTION_FIX_V4BX:
|
fix_v4bx = 1;
|
fix_v4bx = 1;
|
break;
|
break;
|
|
|
case OPTION_FIX_V4BX_INTERWORKING:
|
case OPTION_FIX_V4BX_INTERWORKING:
|
fix_v4bx = 2;
|
fix_v4bx = 2;
|
break;
|
break;
|
|
|
case OPTION_USE_BLX:
|
case OPTION_USE_BLX:
|
use_blx = 1;
|
use_blx = 1;
|
break;
|
break;
|
|
|
case OPTION_VFP11_DENORM_FIX:
|
case OPTION_VFP11_DENORM_FIX:
|
if (strcmp (optarg, "none") == 0)
|
if (strcmp (optarg, "none") == 0)
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
|
else if (strcmp (optarg, "scalar") == 0)
|
else if (strcmp (optarg, "scalar") == 0)
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
|
else if (strcmp (optarg, "vector") == 0)
|
else if (strcmp (optarg, "vector") == 0)
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
|
vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
|
else
|
else
|
einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
|
einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
|
break;
|
break;
|
|
|
case OPTION_NO_ENUM_SIZE_WARNING:
|
case OPTION_NO_ENUM_SIZE_WARNING:
|
no_enum_size_warning = 1;
|
no_enum_size_warning = 1;
|
break;
|
break;
|
|
|
case OPTION_NO_WCHAR_SIZE_WARNING:
|
case OPTION_NO_WCHAR_SIZE_WARNING:
|
no_wchar_size_warning = 1;
|
no_wchar_size_warning = 1;
|
break;
|
break;
|
|
|
case OPTION_PIC_VENEER:
|
case OPTION_PIC_VENEER:
|
pic_veneer = 1;
|
pic_veneer = 1;
|
break;
|
break;
|
|
|
case OPTION_STUBGROUP_SIZE:
|
case OPTION_STUBGROUP_SIZE:
|
{
|
{
|
const char *end;
|
const char *end;
|
|
|
group_size = bfd_scan_vma (optarg, &end, 0);
|
group_size = bfd_scan_vma (optarg, &end, 0);
|
if (*end)
|
if (*end)
|
einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
|
einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
|
}
|
}
|
break;
|
break;
|
|
|
case OPTION_FIX_CORTEX_A8:
|
case OPTION_FIX_CORTEX_A8:
|
fix_cortex_a8 = 1;
|
fix_cortex_a8 = 1;
|
break;
|
break;
|
|
|
case OPTION_NO_FIX_CORTEX_A8:
|
case OPTION_NO_FIX_CORTEX_A8:
|
fix_cortex_a8 = 0;
|
fix_cortex_a8 = 0;
|
break;
|
break;
|
|
|
case OPTION_NO_MERGE_EXIDX_ENTRIES:
|
case OPTION_NO_MERGE_EXIDX_ENTRIES:
|
merge_exidx_entries = 0;
|
merge_exidx_entries = 0;
|
|
break;
|
|
|
|
case OPTION_FIX_ARM1176:
|
|
fix_arm1176 = 1;
|
|
break;
|
|
|
|
case OPTION_NO_FIX_ARM1176:
|
|
fix_arm1176 = 0;
|
|
break;
|
'
|
'
|
|
|
# We have our own before_allocation etc. functions, but they call
|
# We have our own before_allocation etc. functions, but they call
|
# the standard routines, so give them a different name.
|
# the standard routines, so give them a different name.
|
LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
|
LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
|
LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
|
LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
|
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
|
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
|
|
|
# Replace the elf before_parse function with our own.
|
# Replace the elf before_parse function with our own.
|
LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
|
LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
|
|
|
# Call the extra arm-elf function
|
# Call the extra arm-elf function
|
LDEMUL_FINISH=gld${EMULATION_NAME}_finish
|
LDEMUL_FINISH=gld${EMULATION_NAME}_finish
|
|
|
