/* BFD back-end for ARM COFF files.
|
/* BFD back-end for ARM COFF files.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Cygnus Support.
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Written by Cygnus Support.
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|
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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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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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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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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#include "sysdep.h"
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "coff/arm.h"
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#include "coff/arm.h"
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#include "coff/internal.h"
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#include "coff/internal.h"
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|
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#ifdef COFF_WITH_PE
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#ifdef COFF_WITH_PE
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#include "coff/pe.h"
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#include "coff/pe.h"
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#endif
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#endif
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|
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#include "libcoff.h"
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#include "libcoff.h"
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|
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/* Macros for manipulation the bits in the flags field of the coff data
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/* Macros for manipulation the bits in the flags field of the coff data
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structure. */
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structure. */
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#define APCS_26_FLAG(abfd) \
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#define APCS_26_FLAG(abfd) \
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(coff_data (abfd)->flags & F_APCS_26)
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(coff_data (abfd)->flags & F_APCS_26)
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|
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#define APCS_FLOAT_FLAG(abfd) \
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#define APCS_FLOAT_FLAG(abfd) \
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(coff_data (abfd)->flags & F_APCS_FLOAT)
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(coff_data (abfd)->flags & F_APCS_FLOAT)
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|
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#define PIC_FLAG(abfd) \
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#define PIC_FLAG(abfd) \
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(coff_data (abfd)->flags & F_PIC)
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(coff_data (abfd)->flags & F_PIC)
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|
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#define APCS_SET(abfd) \
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#define APCS_SET(abfd) \
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(coff_data (abfd)->flags & F_APCS_SET)
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(coff_data (abfd)->flags & F_APCS_SET)
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|
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#define SET_APCS_FLAGS(abfd, flgs) \
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#define SET_APCS_FLAGS(abfd, flgs) \
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do \
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do \
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{ \
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{ \
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coff_data (abfd)->flags &= ~(F_APCS_26 | F_APCS_FLOAT | F_PIC); \
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coff_data (abfd)->flags &= ~(F_APCS_26 | F_APCS_FLOAT | F_PIC); \
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coff_data (abfd)->flags |= (flgs) | F_APCS_SET; \
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coff_data (abfd)->flags |= (flgs) | F_APCS_SET; \
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} \
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} \
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while (0)
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while (0)
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|
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#define INTERWORK_FLAG(abfd) \
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#define INTERWORK_FLAG(abfd) \
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(coff_data (abfd)->flags & F_INTERWORK)
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(coff_data (abfd)->flags & F_INTERWORK)
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|
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#define INTERWORK_SET(abfd) \
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#define INTERWORK_SET(abfd) \
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(coff_data (abfd)->flags & F_INTERWORK_SET)
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(coff_data (abfd)->flags & F_INTERWORK_SET)
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|
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#define SET_INTERWORK_FLAG(abfd, flg) \
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#define SET_INTERWORK_FLAG(abfd, flg) \
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do \
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do \
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{ \
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{ \
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coff_data (abfd)->flags &= ~F_INTERWORK; \
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coff_data (abfd)->flags &= ~F_INTERWORK; \
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coff_data (abfd)->flags |= (flg) | F_INTERWORK_SET; \
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coff_data (abfd)->flags |= (flg) | F_INTERWORK_SET; \
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} \
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} \
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while (0)
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while (0)
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|
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#ifndef NUM_ELEM
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#ifndef NUM_ELEM
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#define NUM_ELEM(a) ((sizeof (a)) / sizeof ((a)[0]))
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#define NUM_ELEM(a) ((sizeof (a)) / sizeof ((a)[0]))
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#endif
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#endif
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typedef enum {bunknown, b9, b12, b23} thumb_pcrel_branchtype;
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typedef enum {bunknown, b9, b12, b23} thumb_pcrel_branchtype;
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/* Some typedefs for holding instructions. */
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/* Some typedefs for holding instructions. */
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typedef unsigned long int insn32;
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typedef unsigned long int insn32;
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typedef unsigned short int insn16;
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typedef unsigned short int insn16;
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|
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/* The linker script knows the section names for placement.
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/* The linker script knows the section names for placement.
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The entry_names are used to do simple name mangling on the stubs.
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The entry_names are used to do simple name mangling on the stubs.
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Given a function name, and its type, the stub can be found. The
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Given a function name, and its type, the stub can be found. The
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name can be changed. The only requirement is the %s be present. */
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name can be changed. The only requirement is the %s be present. */
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|
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#define THUMB2ARM_GLUE_SECTION_NAME ".glue_7t"
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#define THUMB2ARM_GLUE_SECTION_NAME ".glue_7t"
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#define THUMB2ARM_GLUE_ENTRY_NAME "__%s_from_thumb"
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#define THUMB2ARM_GLUE_ENTRY_NAME "__%s_from_thumb"
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|
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#define ARM2THUMB_GLUE_SECTION_NAME ".glue_7"
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#define ARM2THUMB_GLUE_SECTION_NAME ".glue_7"
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#define ARM2THUMB_GLUE_ENTRY_NAME "__%s_from_arm"
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#define ARM2THUMB_GLUE_ENTRY_NAME "__%s_from_arm"
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|
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/* Used by the assembler. */
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/* Used by the assembler. */
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|
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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coff_arm_reloc (bfd *abfd,
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coff_arm_reloc (bfd *abfd,
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arelent *reloc_entry,
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arelent *reloc_entry,
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asymbol *symbol ATTRIBUTE_UNUSED,
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asymbol *symbol ATTRIBUTE_UNUSED,
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void * data,
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void * data,
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asection *input_section ATTRIBUTE_UNUSED,
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asection *input_section ATTRIBUTE_UNUSED,
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bfd *output_bfd,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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char **error_message ATTRIBUTE_UNUSED)
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{
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{
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symvalue diff;
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symvalue diff;
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|
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if (output_bfd == NULL)
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if (output_bfd == NULL)
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return bfd_reloc_continue;
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return bfd_reloc_continue;
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|
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diff = reloc_entry->addend;
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diff = reloc_entry->addend;
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|
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#define DOIT(x) \
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#define DOIT(x) \
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x = ((x & ~howto->dst_mask) \
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x = ((x & ~howto->dst_mask) \
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| (((x & howto->src_mask) + diff) & howto->dst_mask))
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| (((x & howto->src_mask) + diff) & howto->dst_mask))
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|
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if (diff != 0)
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if (diff != 0)
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{
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{
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reloc_howto_type *howto = reloc_entry->howto;
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reloc_howto_type *howto = reloc_entry->howto;
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unsigned char *addr = (unsigned char *) data + reloc_entry->address;
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unsigned char *addr = (unsigned char *) data + reloc_entry->address;
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|
|
switch (howto->size)
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switch (howto->size)
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{
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{
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case 0:
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case 0:
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{
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{
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char x = bfd_get_8 (abfd, addr);
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char x = bfd_get_8 (abfd, addr);
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DOIT (x);
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DOIT (x);
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bfd_put_8 (abfd, x, addr);
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bfd_put_8 (abfd, x, addr);
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}
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}
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break;
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break;
|
|
|
case 1:
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case 1:
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{
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{
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short x = bfd_get_16 (abfd, addr);
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short x = bfd_get_16 (abfd, addr);
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DOIT (x);
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DOIT (x);
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bfd_put_16 (abfd, (bfd_vma) x, addr);
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bfd_put_16 (abfd, (bfd_vma) x, addr);
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}
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}
|
break;
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break;
|
|
|
case 2:
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case 2:
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{
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{
|
long x = bfd_get_32 (abfd, addr);
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long x = bfd_get_32 (abfd, addr);
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DOIT (x);
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DOIT (x);
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bfd_put_32 (abfd, (bfd_vma) x, addr);
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bfd_put_32 (abfd, (bfd_vma) x, addr);
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}
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}
|
break;
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break;
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|
|
default:
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default:
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abort ();
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abort ();
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}
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}
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}
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}
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|
|
/* Now let bfd_perform_relocation finish everything up. */
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/* Now let bfd_perform_relocation finish everything up. */
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return bfd_reloc_continue;
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return bfd_reloc_continue;
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}
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}
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|
|
/* If USER_LABEL_PREFIX is defined as "_" (see coff_arm_is_local_label_name()
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/* If USER_LABEL_PREFIX is defined as "_" (see coff_arm_is_local_label_name()
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in this file), then TARGET_UNDERSCORE should be defined, otherwise it
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in this file), then TARGET_UNDERSCORE should be defined, otherwise it
|
should not. */
|
should not. */
|
#ifndef TARGET_UNDERSCORE
|
#ifndef TARGET_UNDERSCORE
|
#define TARGET_UNDERSCORE '_'
|
#define TARGET_UNDERSCORE '_'
|
#endif
|
#endif
|
|
|
#ifndef PCRELOFFSET
|
#ifndef PCRELOFFSET
|
#define PCRELOFFSET TRUE
|
#define PCRELOFFSET TRUE
|
#endif
|
#endif
|
|
|
/* These most certainly belong somewhere else. Just had to get rid of
|
/* These most certainly belong somewhere else. Just had to get rid of
|
the manifest constants in the code. */
|
the manifest constants in the code. */
|
|
|
#ifdef ARM_WINCE
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#ifdef ARM_WINCE
|
|
|
#define ARM_26D 0
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#define ARM_26D 0
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#define ARM_32 1
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#define ARM_32 1
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#define ARM_RVA32 2
|
#define ARM_RVA32 2
|
#define ARM_26 3
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#define ARM_26 3
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#define ARM_THUMB12 4
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#define ARM_THUMB12 4
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#define ARM_SECTION 14
|
#define ARM_SECTION 14
|
#define ARM_SECREL 15
|
#define ARM_SECREL 15
|
|
|
#else
|
#else
|
|
|
#define ARM_8 0
|
#define ARM_8 0
|
#define ARM_16 1
|
#define ARM_16 1
|
#define ARM_32 2
|
#define ARM_32 2
|
#define ARM_26 3
|
#define ARM_26 3
|
#define ARM_DISP8 4
|
#define ARM_DISP8 4
|
#define ARM_DISP16 5
|
#define ARM_DISP16 5
|
#define ARM_DISP32 6
|
#define ARM_DISP32 6
|
#define ARM_26D 7
|
#define ARM_26D 7
|
/* 8 is unused. */
|
/* 8 is unused. */
|
#define ARM_NEG16 9
|
#define ARM_NEG16 9
|
#define ARM_NEG32 10
|
#define ARM_NEG32 10
|
#define ARM_RVA32 11
|
#define ARM_RVA32 11
|
#define ARM_THUMB9 12
|
#define ARM_THUMB9 12
|
#define ARM_THUMB12 13
|
#define ARM_THUMB12 13
|
#define ARM_THUMB23 14
|
#define ARM_THUMB23 14
|
|
|
#endif
|
#endif
|
|
|
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
|
static bfd_reloc_status_type aoutarm_fix_pcrel_26_done
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
static bfd_reloc_status_type aoutarm_fix_pcrel_26
|
static bfd_reloc_status_type aoutarm_fix_pcrel_26
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
static bfd_reloc_status_type coff_thumb_pcrel_12
|
static bfd_reloc_status_type coff_thumb_pcrel_12
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
static bfd_reloc_status_type coff_thumb_pcrel_9
|
static bfd_reloc_status_type coff_thumb_pcrel_9
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
static bfd_reloc_status_type coff_thumb_pcrel_23
|
static bfd_reloc_status_type coff_thumb_pcrel_23
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
|
#endif
|
#endif
|
|
|
static reloc_howto_type aoutarm_std_reloc_howto[] =
|
static reloc_howto_type aoutarm_std_reloc_howto[] =
|
{
|
{
|
#ifdef ARM_WINCE
|
#ifdef ARM_WINCE
|
HOWTO (ARM_26D,
|
HOWTO (ARM_26D,
|
2,
|
2,
|
2,
|
2,
|
24,
|
24,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_dont,
|
complain_overflow_dont,
|
aoutarm_fix_pcrel_26_done,
|
aoutarm_fix_pcrel_26_done,
|
"ARM_26D",
|
"ARM_26D",
|
TRUE, /* partial_inplace. */
|
TRUE, /* partial_inplace. */
|
0x00ffffff,
|
0x00ffffff,
|
0x0,
|
0x0,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_32,
|
HOWTO (ARM_32,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_32",
|
"ARM_32",
|
TRUE, /* partial_inplace. */
|
TRUE, /* partial_inplace. */
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_RVA32,
|
HOWTO (ARM_RVA32,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_RVA32",
|
"ARM_RVA32",
|
TRUE, /* partial_inplace. */
|
TRUE, /* partial_inplace. */
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_26,
|
HOWTO (ARM_26,
|
2,
|
2,
|
2,
|
2,
|
24,
|
24,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
aoutarm_fix_pcrel_26 ,
|
aoutarm_fix_pcrel_26 ,
|
"ARM_26",
|
"ARM_26",
|
FALSE,
|
FALSE,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_THUMB12,
|
HOWTO (ARM_THUMB12,
|
1,
|
1,
|
1,
|
1,
|
11,
|
11,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_thumb_pcrel_12 ,
|
coff_thumb_pcrel_12 ,
|
"ARM_THUMB12",
|
"ARM_THUMB12",
|
FALSE,
|
FALSE,
|
0x000007ff,
|
0x000007ff,
|
0x000007ff,
|
0x000007ff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
HOWTO (ARM_SECTION,
|
HOWTO (ARM_SECTION,
|
0,
|
0,
|
1,
|
1,
|
16,
|
16,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_SECTION",
|
"ARM_SECTION",
|
TRUE, /* partial_inplace. */
|
TRUE, /* partial_inplace. */
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_SECREL,
|
HOWTO (ARM_SECREL,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_SECREL",
|
"ARM_SECREL",
|
TRUE, /* partial_inplace. */
|
TRUE, /* partial_inplace. */
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
#else /* not ARM_WINCE */
|
#else /* not ARM_WINCE */
|
HOWTO (ARM_8,
|
HOWTO (ARM_8,
|
0,
|
0,
|
0,
|
0,
|
8,
|
8,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_8",
|
"ARM_8",
|
TRUE,
|
TRUE,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_16,
|
HOWTO (ARM_16,
|
0,
|
0,
|
1,
|
1,
|
16,
|
16,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_16",
|
"ARM_16",
|
TRUE,
|
TRUE,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_32,
|
HOWTO (ARM_32,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_32",
|
"ARM_32",
|
TRUE,
|
TRUE,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_26,
|
HOWTO (ARM_26,
|
2,
|
2,
|
2,
|
2,
|
24,
|
24,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
aoutarm_fix_pcrel_26 ,
|
aoutarm_fix_pcrel_26 ,
|
"ARM_26",
|
"ARM_26",
|
FALSE,
|
FALSE,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_DISP8,
|
HOWTO (ARM_DISP8,
|
0,
|
0,
|
0,
|
0,
|
8,
|
8,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_DISP8",
|
"ARM_DISP8",
|
TRUE,
|
TRUE,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
TRUE),
|
TRUE),
|
HOWTO (ARM_DISP16,
|
HOWTO (ARM_DISP16,
|
0,
|
0,
|
1,
|
1,
|
16,
|
16,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_DISP16",
|
"ARM_DISP16",
|
TRUE,
|
TRUE,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
TRUE),
|
TRUE),
|
HOWTO (ARM_DISP32,
|
HOWTO (ARM_DISP32,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_DISP32",
|
"ARM_DISP32",
|
TRUE,
|
TRUE,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
TRUE),
|
TRUE),
|
HOWTO (ARM_26D,
|
HOWTO (ARM_26D,
|
2,
|
2,
|
2,
|
2,
|
24,
|
24,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_dont,
|
complain_overflow_dont,
|
aoutarm_fix_pcrel_26_done,
|
aoutarm_fix_pcrel_26_done,
|
"ARM_26D",
|
"ARM_26D",
|
TRUE,
|
TRUE,
|
0x00ffffff,
|
0x00ffffff,
|
0x0,
|
0x0,
|
FALSE),
|
FALSE),
|
/* 8 is unused */
|
/* 8 is unused */
|
EMPTY_HOWTO (-1),
|
EMPTY_HOWTO (-1),
|
HOWTO (ARM_NEG16,
|
HOWTO (ARM_NEG16,
|
0,
|
0,
|
-1,
|
-1,
|
16,
|
16,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_NEG16",
|
"ARM_NEG16",
|
TRUE,
|
TRUE,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
0x0000ffff,
|
FALSE),
|
FALSE),
|
HOWTO (ARM_NEG32,
|
HOWTO (ARM_NEG32,
|
0,
|
0,
|
-2,
|
-2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_NEG32",
|
"ARM_NEG32",
|
TRUE,
|
TRUE,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
FALSE),
|
FALSE),
|
HOWTO (ARM_RVA32,
|
HOWTO (ARM_RVA32,
|
0,
|
0,
|
2,
|
2,
|
32,
|
32,
|
FALSE,
|
FALSE,
|
0,
|
0,
|
complain_overflow_bitfield,
|
complain_overflow_bitfield,
|
coff_arm_reloc,
|
coff_arm_reloc,
|
"ARM_RVA32",
|
"ARM_RVA32",
|
TRUE,
|
TRUE,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
0xffffffff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_THUMB9,
|
HOWTO (ARM_THUMB9,
|
1,
|
1,
|
1,
|
1,
|
8,
|
8,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_thumb_pcrel_9 ,
|
coff_thumb_pcrel_9 ,
|
"ARM_THUMB9",
|
"ARM_THUMB9",
|
FALSE,
|
FALSE,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
0x000000ff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_THUMB12,
|
HOWTO (ARM_THUMB12,
|
1,
|
1,
|
1,
|
1,
|
11,
|
11,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_thumb_pcrel_12 ,
|
coff_thumb_pcrel_12 ,
|
"ARM_THUMB12",
|
"ARM_THUMB12",
|
FALSE,
|
FALSE,
|
0x000007ff,
|
0x000007ff,
|
0x000007ff,
|
0x000007ff,
|
PCRELOFFSET),
|
PCRELOFFSET),
|
HOWTO (ARM_THUMB23,
|
HOWTO (ARM_THUMB23,
|
1,
|
1,
|
2,
|
2,
|
22,
|
22,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
coff_thumb_pcrel_23 ,
|
coff_thumb_pcrel_23 ,
|
"ARM_THUMB23",
|
"ARM_THUMB23",
|
FALSE,
|
FALSE,
|
0x07ff07ff,
|
0x07ff07ff,
|
0x07ff07ff,
|
0x07ff07ff,
|
PCRELOFFSET)
|
PCRELOFFSET)
|
#endif /* not ARM_WINCE */
|
#endif /* not ARM_WINCE */
|
};
|
};
|
|
|
#define NUM_RELOCS NUM_ELEM (aoutarm_std_reloc_howto)
|
#define NUM_RELOCS NUM_ELEM (aoutarm_std_reloc_howto)
|
|
|
#ifdef COFF_WITH_PE
|
#ifdef COFF_WITH_PE
|
/* Return TRUE if this relocation should
|
/* Return TRUE if this relocation should
|
appear in the output .reloc section. */
|
appear in the output .reloc section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
|
in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
|
reloc_howto_type * howto)
|
reloc_howto_type * howto)
|
{
|
{
|
return !howto->pc_relative && howto->type != ARM_RVA32;
|
return !howto->pc_relative && howto->type != ARM_RVA32;
|
}
|
}
|
#endif
|
#endif
|
|
|
#define RTYPE2HOWTO(cache_ptr, dst) \
|
#define RTYPE2HOWTO(cache_ptr, dst) \
|
(cache_ptr)->howto = \
|
(cache_ptr)->howto = \
|
(dst)->r_type < NUM_RELOCS \
|
(dst)->r_type < NUM_RELOCS \
|
? aoutarm_std_reloc_howto + (dst)->r_type \
|
? aoutarm_std_reloc_howto + (dst)->r_type \
|
: NULL
|
: NULL
|
|
|
#define coff_rtype_to_howto coff_arm_rtype_to_howto
|
#define coff_rtype_to_howto coff_arm_rtype_to_howto
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
coff_arm_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
coff_arm_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
asection *sec,
|
asection *sec,
|
struct internal_reloc *rel,
|
struct internal_reloc *rel,
|
struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
|
struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
|
struct internal_syment *sym ATTRIBUTE_UNUSED,
|
struct internal_syment *sym ATTRIBUTE_UNUSED,
|
bfd_vma *addendp)
|
bfd_vma *addendp)
|
{
|
{
|
reloc_howto_type * howto;
|
reloc_howto_type * howto;
|
|
|
if (rel->r_type >= NUM_RELOCS)
|
if (rel->r_type >= NUM_RELOCS)
|
return NULL;
|
return NULL;
|
|
|
howto = aoutarm_std_reloc_howto + rel->r_type;
|
howto = aoutarm_std_reloc_howto + rel->r_type;
|
|
|
if (rel->r_type == ARM_RVA32)
|
if (rel->r_type == ARM_RVA32)
|
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
|
*addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
|
|
|
#if defined COFF_WITH_PE && defined ARM_WINCE
|
#if defined COFF_WITH_PE && defined ARM_WINCE
|
if (rel->r_type == ARM_SECREL)
|
if (rel->r_type == ARM_SECREL)
|
{
|
{
|
bfd_vma osect_vma;
|
bfd_vma osect_vma;
|
|
|
if (h && (h->type == bfd_link_hash_defined
|
if (h && (h->type == bfd_link_hash_defined
|
|| h->type == bfd_link_hash_defweak))
|
|| h->type == bfd_link_hash_defweak))
|
osect_vma = h->root.u.def.section->output_section->vma;
|
osect_vma = h->root.u.def.section->output_section->vma;
|
else
|
else
|
{
|
{
|
asection *sec;
|
asection *sec;
|
int i;
|
int i;
|
|
|
/* Sigh, the only way to get the section to offset against
|
/* Sigh, the only way to get the section to offset against
|
is to find it the hard way. */
|
is to find it the hard way. */
|
|
|
for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
|
for (sec = abfd->sections, i = 1; i < sym->n_scnum; i++)
|
sec = sec->next;
|
sec = sec->next;
|
|
|
osect_vma = sec->output_section->vma;
|
osect_vma = sec->output_section->vma;
|
}
|
}
|
|
|
*addendp -= osect_vma;
|
*addendp -= osect_vma;
|
}
|
}
|
#endif
|
#endif
|
|
|
return howto;
|
return howto;
|
}
|
}
|
|
|
/* Used by the assembler. */
|
/* Used by the assembler. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
aoutarm_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
|
aoutarm_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *reloc_entry ATTRIBUTE_UNUSED,
|
arelent *reloc_entry ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
void * data ATTRIBUTE_UNUSED,
|
void * data ATTRIBUTE_UNUSED,
|
asection *input_section ATTRIBUTE_UNUSED,
|
asection *input_section ATTRIBUTE_UNUSED,
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
/* This is dead simple at present. */
|
/* This is dead simple at present. */
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* Used by the assembler. */
|
/* Used by the assembler. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
aoutarm_fix_pcrel_26 (bfd *abfd,
|
aoutarm_fix_pcrel_26 (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_size_type addr = reloc_entry->address;
|
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
|
|
/* If this is an undefined symbol, return error. */
|
/* If this is an undefined symbol, return error. */
|
if (symbol->section == &bfd_und_section
|
if (symbol->section == &bfd_und_section
|
&& (symbol->flags & BSF_WEAK) == 0)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
|
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
|
|
|
/* If the sections are different, and we are doing a partial relocation,
|
/* If the sections are different, and we are doing a partial relocation,
|
just ignore it for now. */
|
just ignore it for now. */
|
if (symbol->section->name != input_section->name
|
if (symbol->section->name != input_section->name
|
&& output_bfd != (bfd *)NULL)
|
&& output_bfd != (bfd *)NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
relocation = (target & 0x00ffffff) << 2;
|
relocation = (target & 0x00ffffff) << 2;
|
relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
|
relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
|
relocation += symbol->value;
|
relocation += symbol->value;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_offset;
|
relocation += symbol->section->output_offset;
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
relocation -= input_section->output_section->vma;
|
relocation -= input_section->output_section->vma;
|
relocation -= input_section->output_offset;
|
relocation -= input_section->output_offset;
|
relocation -= addr;
|
relocation -= addr;
|
|
|
if (relocation & 3)
|
if (relocation & 3)
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
|
|
/* Check for overflow. */
|
/* Check for overflow. */
|
if (relocation & 0x02000000)
|
if (relocation & 0x02000000)
|
{
|
{
|
if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
|
if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
}
|
}
|
else if (relocation & ~(bfd_vma) 0x03ffffff)
|
else if (relocation & ~(bfd_vma) 0x03ffffff)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
|
|
target &= ~0x00ffffff;
|
target &= ~0x00ffffff;
|
target |= (relocation >> 2) & 0x00ffffff;
|
target |= (relocation >> 2) & 0x00ffffff;
|
bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
|
bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
|
|
|
/* Now the ARM magic... Change the reloc type so that it is marked as done.
|
/* Now the ARM magic... Change the reloc type so that it is marked as done.
|
Strictly this is only necessary if we are doing a partial relocation. */
|
Strictly this is only necessary if we are doing a partial relocation. */
|
reloc_entry->howto = &aoutarm_std_reloc_howto[ARM_26D];
|
reloc_entry->howto = &aoutarm_std_reloc_howto[ARM_26D];
|
|
|
return flag;
|
return flag;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
coff_thumb_pcrel_common (bfd *abfd,
|
coff_thumb_pcrel_common (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED,
|
char **error_message ATTRIBUTE_UNUSED,
|
thumb_pcrel_branchtype btype)
|
thumb_pcrel_branchtype btype)
|
{
|
{
|
bfd_vma relocation = 0;
|
bfd_vma relocation = 0;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_size_type addr = reloc_entry->address;
|
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_vma dstmsk;
|
bfd_vma dstmsk;
|
bfd_vma offmsk;
|
bfd_vma offmsk;
|
bfd_vma signbit;
|
bfd_vma signbit;
|
|
|
/* NOTE: This routine is currently used by GAS, but not by the link
|
/* NOTE: This routine is currently used by GAS, but not by the link
|
phase. */
|
phase. */
|
switch (btype)
|
switch (btype)
|
{
|
{
|
case b9:
|
case b9:
|
dstmsk = 0x000000ff;
|
dstmsk = 0x000000ff;
|
offmsk = 0x000001fe;
|
offmsk = 0x000001fe;
|
signbit = 0x00000100;
|
signbit = 0x00000100;
|
break;
|
break;
|
|
|
case b12:
|
case b12:
|
dstmsk = 0x000007ff;
|
dstmsk = 0x000007ff;
|
offmsk = 0x00000ffe;
|
offmsk = 0x00000ffe;
|
signbit = 0x00000800;
|
signbit = 0x00000800;
|
break;
|
break;
|
|
|
case b23:
|
case b23:
|
dstmsk = 0x07ff07ff;
|
dstmsk = 0x07ff07ff;
|
offmsk = 0x007fffff;
|
offmsk = 0x007fffff;
|
signbit = 0x00400000;
|
signbit = 0x00400000;
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
/* If this is an undefined symbol, return error. */
|
/* If this is an undefined symbol, return error. */
|
if (symbol->section == &bfd_und_section
|
if (symbol->section == &bfd_und_section
|
&& (symbol->flags & BSF_WEAK) == 0)
|
&& (symbol->flags & BSF_WEAK) == 0)
|
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
|
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
|
|
|
/* If the sections are different, and we are doing a partial relocation,
|
/* If the sections are different, and we are doing a partial relocation,
|
just ignore it for now. */
|
just ignore it for now. */
|
if (symbol->section->name != input_section->name
|
if (symbol->section->name != input_section->name
|
&& output_bfd != (bfd *)NULL)
|
&& output_bfd != (bfd *)NULL)
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
|
|
switch (btype)
|
switch (btype)
|
{
|
{
|
case b9:
|
case b9:
|
case b12:
|
case b12:
|
relocation = ((target & dstmsk) << 1);
|
relocation = ((target & dstmsk) << 1);
|
break;
|
break;
|
|
|
case b23:
|
case b23:
|
if (bfd_big_endian (abfd))
|
if (bfd_big_endian (abfd))
|
relocation = ((target & 0x7ff) << 1) | ((target & 0x07ff0000) >> 4);
|
relocation = ((target & 0x7ff) << 1) | ((target & 0x07ff0000) >> 4);
|
else
|
else
|
relocation = ((target & 0x7ff) << 12) | ((target & 0x07ff0000) >> 15);
|
relocation = ((target & 0x7ff) << 12) | ((target & 0x07ff0000) >> 15);
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
relocation = (relocation ^ signbit) - signbit; /* Sign extend. */
|
relocation = (relocation ^ signbit) - signbit; /* Sign extend. */
|
relocation += symbol->value;
|
relocation += symbol->value;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_offset;
|
relocation += symbol->section->output_offset;
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
relocation -= input_section->output_section->vma;
|
relocation -= input_section->output_section->vma;
|
relocation -= input_section->output_offset;
|
relocation -= input_section->output_offset;
|
relocation -= addr;
|
relocation -= addr;
|
|
|
if (relocation & 1)
|
if (relocation & 1)
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
|
|
/* Check for overflow. */
|
/* Check for overflow. */
|
if (relocation & signbit)
|
if (relocation & signbit)
|
{
|
{
|
if ((relocation & ~offmsk) != ~offmsk)
|
if ((relocation & ~offmsk) != ~offmsk)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
}
|
}
|
else if (relocation & ~offmsk)
|
else if (relocation & ~offmsk)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
|
|
target &= ~dstmsk;
|
target &= ~dstmsk;
|
switch (btype)
|
switch (btype)
|
{
|
{
|
case b9:
|
case b9:
|
case b12:
|
case b12:
|
target |= (relocation >> 1);
|
target |= (relocation >> 1);
|
break;
|
break;
|
|
|
case b23:
|
case b23:
|
if (bfd_big_endian (abfd))
|
if (bfd_big_endian (abfd))
|
target |= (((relocation & 0xfff) >> 1)
|
target |= (((relocation & 0xfff) >> 1)
|
| ((relocation << 4) & 0x07ff0000));
|
| ((relocation << 4) & 0x07ff0000));
|
else
|
else
|
target |= (((relocation & 0xffe) << 15)
|
target |= (((relocation & 0xffe) << 15)
|
| ((relocation >> 12) & 0x7ff));
|
| ((relocation >> 12) & 0x7ff));
|
break;
|
break;
|
|
|
default:
|
default:
|
abort ();
|
abort ();
|
}
|
}
|
|
|
bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
|
bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
|
|
|
/* Now the ARM magic... Change the reloc type so that it is marked as done.
|
/* Now the ARM magic... Change the reloc type so that it is marked as done.
|
Strictly this is only necessary if we are doing a partial relocation. */
|
Strictly this is only necessary if we are doing a partial relocation. */
|
reloc_entry->howto = & aoutarm_std_reloc_howto [ARM_26D];
|
reloc_entry->howto = & aoutarm_std_reloc_howto [ARM_26D];
|
|
|
/* TODO: We should possibly have DONE entries for the THUMB PCREL relocations. */
|
/* TODO: We should possibly have DONE entries for the THUMB PCREL relocations. */
|
return flag;
|
return flag;
|
}
|
}
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
coff_thumb_pcrel_23 (bfd *abfd,
|
coff_thumb_pcrel_23 (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message,
|
input_section, output_bfd, error_message,
|
b23);
|
b23);
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
coff_thumb_pcrel_9 (bfd *abfd,
|
coff_thumb_pcrel_9 (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message,
|
input_section, output_bfd, error_message,
|
b9);
|
b9);
|
}
|
}
|
#endif /* not ARM_WINCE */
|
#endif /* not ARM_WINCE */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
coff_thumb_pcrel_12 (bfd *abfd,
|
coff_thumb_pcrel_12 (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void * data,
|
void * data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
return coff_thumb_pcrel_common (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message,
|
input_section, output_bfd, error_message,
|
b12);
|
b12);
|
}
|
}
|
|
|
static const struct reloc_howto_struct *
|
static const struct reloc_howto_struct *
|
coff_arm_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
|
coff_arm_reloc_type_lookup (bfd * abfd, bfd_reloc_code_real_type code)
|
{
|
{
|
#define ASTD(i,j) case i: return aoutarm_std_reloc_howto + j
|
#define ASTD(i,j) case i: return aoutarm_std_reloc_howto + j
|
|
|
if (code == BFD_RELOC_CTOR)
|
if (code == BFD_RELOC_CTOR)
|
switch (bfd_get_arch_info (abfd)->bits_per_address)
|
switch (bfd_get_arch_info (abfd)->bits_per_address)
|
{
|
{
|
case 32:
|
case 32:
|
code = BFD_RELOC_32;
|
code = BFD_RELOC_32;
|
break;
|
break;
|
default:
|
default:
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
#ifdef ARM_WINCE
|
#ifdef ARM_WINCE
|
ASTD (BFD_RELOC_32, ARM_32);
|
ASTD (BFD_RELOC_32, ARM_32);
|
ASTD (BFD_RELOC_RVA, ARM_RVA32);
|
ASTD (BFD_RELOC_RVA, ARM_RVA32);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
|
ASTD (BFD_RELOC_32_SECREL, ARM_SECREL);
|
ASTD (BFD_RELOC_32_SECREL, ARM_SECREL);
|
#else
|
#else
|
ASTD (BFD_RELOC_8, ARM_8);
|
ASTD (BFD_RELOC_8, ARM_8);
|
ASTD (BFD_RELOC_16, ARM_16);
|
ASTD (BFD_RELOC_16, ARM_16);
|
ASTD (BFD_RELOC_32, ARM_32);
|
ASTD (BFD_RELOC_32, ARM_32);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
|
ASTD (BFD_RELOC_ARM_PCREL_BRANCH, ARM_26);
|
ASTD (BFD_RELOC_ARM_PCREL_BLX, ARM_26);
|
ASTD (BFD_RELOC_ARM_PCREL_BLX, ARM_26);
|
ASTD (BFD_RELOC_8_PCREL, ARM_DISP8);
|
ASTD (BFD_RELOC_8_PCREL, ARM_DISP8);
|
ASTD (BFD_RELOC_16_PCREL, ARM_DISP16);
|
ASTD (BFD_RELOC_16_PCREL, ARM_DISP16);
|
ASTD (BFD_RELOC_32_PCREL, ARM_DISP32);
|
ASTD (BFD_RELOC_32_PCREL, ARM_DISP32);
|
ASTD (BFD_RELOC_RVA, ARM_RVA32);
|
ASTD (BFD_RELOC_RVA, ARM_RVA32);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH9, ARM_THUMB9);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH9, ARM_THUMB9);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH12, ARM_THUMB12);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH23, ARM_THUMB23);
|
ASTD (BFD_RELOC_THUMB_PCREL_BRANCH23, ARM_THUMB23);
|
ASTD (BFD_RELOC_THUMB_PCREL_BLX, ARM_THUMB23);
|
ASTD (BFD_RELOC_THUMB_PCREL_BLX, ARM_THUMB23);
|
#endif
|
#endif
|
default: return NULL;
|
default: return NULL;
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
coff_arm_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < (sizeof (aoutarm_std_reloc_howto)
|
i < (sizeof (aoutarm_std_reloc_howto)
|
/ sizeof (aoutarm_std_reloc_howto[0]));
|
/ sizeof (aoutarm_std_reloc_howto[0]));
|
i++)
|
i++)
|
if (aoutarm_std_reloc_howto[i].name != NULL
|
if (aoutarm_std_reloc_howto[i].name != NULL
|
&& strcasecmp (aoutarm_std_reloc_howto[i].name, r_name) == 0)
|
&& strcasecmp (aoutarm_std_reloc_howto[i].name, r_name) == 0)
|
return &aoutarm_std_reloc_howto[i];
|
return &aoutarm_std_reloc_howto[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
|
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
|
#define COFF_PAGE_SIZE 0x1000
|
#define COFF_PAGE_SIZE 0x1000
|
|
|
/* Turn a howto into a reloc nunmber. */
|
/* Turn a howto into a reloc nunmber. */
|
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
|
#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
|
#define BADMAG(x) ARMBADMAG(x)
|
#define BADMAG(x) ARMBADMAG(x)
|
#define ARM 1 /* Customize coffcode.h. */
|
#define ARM 1 /* Customize coffcode.h. */
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
/* Make sure that the 'r_offset' field is copied properly
|
/* Make sure that the 'r_offset' field is copied properly
|
so that identical binaries will compare the same. */
|
so that identical binaries will compare the same. */
|
#define SWAP_IN_RELOC_OFFSET H_GET_32
|
#define SWAP_IN_RELOC_OFFSET H_GET_32
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
|
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
|
#endif
|
#endif
|
|
|
/* Extend the coff_link_hash_table structure with a few ARM specific fields.
|
/* Extend the coff_link_hash_table structure with a few ARM specific fields.
|
This allows us to store global data here without actually creating any
|
This allows us to store global data here without actually creating any
|
global variables, which is a no-no in the BFD world. */
|
global variables, which is a no-no in the BFD world. */
|
struct coff_arm_link_hash_table
|
struct coff_arm_link_hash_table
|
{
|
{
|
/* The original coff_link_hash_table structure. MUST be first field. */
|
/* The original coff_link_hash_table structure. MUST be first field. */
|
struct coff_link_hash_table root;
|
struct coff_link_hash_table root;
|
|
|
/* The size in bytes of the section containing the Thumb-to-ARM glue. */
|
/* The size in bytes of the section containing the Thumb-to-ARM glue. */
|
bfd_size_type thumb_glue_size;
|
bfd_size_type thumb_glue_size;
|
|
|
/* The size in bytes of the section containing the ARM-to-Thumb glue. */
|
/* The size in bytes of the section containing the ARM-to-Thumb glue. */
|
bfd_size_type arm_glue_size;
|
bfd_size_type arm_glue_size;
|
|
|
/* An arbitrary input BFD chosen to hold the glue sections. */
|
/* An arbitrary input BFD chosen to hold the glue sections. */
|
bfd * bfd_of_glue_owner;
|
bfd * bfd_of_glue_owner;
|
|
|
/* Support interworking with old, non-interworking aware ARM code. */
|
/* Support interworking with old, non-interworking aware ARM code. */
|
int support_old_code;
|
int support_old_code;
|
};
|
};
|
|
|
/* Get the ARM coff linker hash table from a link_info structure. */
|
/* Get the ARM coff linker hash table from a link_info structure. */
|
#define coff_arm_hash_table(info) \
|
#define coff_arm_hash_table(info) \
|
((struct coff_arm_link_hash_table *) ((info)->hash))
|
((struct coff_arm_link_hash_table *) ((info)->hash))
|
|
|
/* Create an ARM coff linker hash table. */
|
/* Create an ARM coff linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
coff_arm_link_hash_table_create (bfd * abfd)
|
coff_arm_link_hash_table_create (bfd * abfd)
|
{
|
{
|
struct coff_arm_link_hash_table * ret;
|
struct coff_arm_link_hash_table * ret;
|
bfd_size_type amt = sizeof (struct coff_arm_link_hash_table);
|
bfd_size_type amt = sizeof (struct coff_arm_link_hash_table);
|
|
|
ret = bfd_malloc (amt);
|
ret = bfd_malloc (amt);
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_coff_link_hash_table_init (&ret->root,
|
if (!_bfd_coff_link_hash_table_init (&ret->root,
|
abfd,
|
abfd,
|
_bfd_coff_link_hash_newfunc,
|
_bfd_coff_link_hash_newfunc,
|
sizeof (struct coff_link_hash_entry)))
|
sizeof (struct coff_link_hash_entry)))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ret->thumb_glue_size = 0;
|
ret->thumb_glue_size = 0;
|
ret->arm_glue_size = 0;
|
ret->arm_glue_size = 0;
|
ret->bfd_of_glue_owner = NULL;
|
ret->bfd_of_glue_owner = NULL;
|
|
|
return & ret->root.root;
|
return & ret->root.root;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
arm_emit_base_file_entry (struct bfd_link_info *info,
|
arm_emit_base_file_entry (struct bfd_link_info *info,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_vma reloc_offset)
|
bfd_vma reloc_offset)
|
{
|
{
|
bfd_vma addr = (reloc_offset
|
bfd_vma addr = (reloc_offset
|
- input_section->vma
|
- input_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ input_section->output_section->vma);
|
+ input_section->output_section->vma);
|
|
|
if (coff_data (output_bfd)->pe)
|
if (coff_data (output_bfd)->pe)
|
addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
|
addr -= pe_data (output_bfd)->pe_opthdr.ImageBase;
|
if (fwrite (&addr, sizeof (addr), 1, (FILE *) info->base_file) == 1)
|
if (fwrite (&addr, sizeof (addr), 1, (FILE *) info->base_file) == 1)
|
return TRUE;
|
return TRUE;
|
|
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
/* The thumb form of a long branch is a bit finicky, because the offset
|
/* The thumb form of a long branch is a bit finicky, because the offset
|
encoding is split over two fields, each in it's own instruction. They
|
encoding is split over two fields, each in it's own instruction. They
|
can occur in any order. So given a thumb form of long branch, and an
|
can occur in any order. So given a thumb form of long branch, and an
|
offset, insert the offset into the thumb branch and return finished
|
offset, insert the offset into the thumb branch and return finished
|
instruction.
|
instruction.
|
|
|
It takes two thumb instructions to encode the target address. Each has
|
It takes two thumb instructions to encode the target address. Each has
|
11 bits to invest. The upper 11 bits are stored in one (identified by
|
11 bits to invest. The upper 11 bits are stored in one (identified by
|
H-0.. see below), the lower 11 bits are stored in the other (identified
|
H-0.. see below), the lower 11 bits are stored in the other (identified
|
by H-1).
|
by H-1).
|
|
|
Combine together and shifted left by 1 (it's a half word address) and
|
Combine together and shifted left by 1 (it's a half word address) and
|
there you have it.
|
there you have it.
|
|
|
Op: 1111 = F,
|
Op: 1111 = F,
|
H-0, upper address-0 = 000
|
H-0, upper address-0 = 000
|
Op: 1111 = F,
|
Op: 1111 = F,
|
H-1, lower address-0 = 800
|
H-1, lower address-0 = 800
|
|
|
They can be ordered either way, but the arm tools I've seen always put
|
They can be ordered either way, but the arm tools I've seen always put
|
the lower one first. It probably doesn't matter. krk@cygnus.com
|
the lower one first. It probably doesn't matter. krk@cygnus.com
|
|
|
XXX: Actually the order does matter. The second instruction (H-1)
|
XXX: Actually the order does matter. The second instruction (H-1)
|
moves the computed address into the PC, so it must be the second one
|
moves the computed address into the PC, so it must be the second one
|
in the sequence. The problem, however is that whilst little endian code
|
in the sequence. The problem, however is that whilst little endian code
|
stores the instructions in HI then LOW order, big endian code does the
|
stores the instructions in HI then LOW order, big endian code does the
|
reverse. nickc@cygnus.com. */
|
reverse. nickc@cygnus.com. */
|
|
|
#define LOW_HI_ORDER 0xF800F000
|
#define LOW_HI_ORDER 0xF800F000
|
#define HI_LOW_ORDER 0xF000F800
|
#define HI_LOW_ORDER 0xF000F800
|
|
|
static insn32
|
static insn32
|
insert_thumb_branch (insn32 br_insn, int rel_off)
|
insert_thumb_branch (insn32 br_insn, int rel_off)
|
{
|
{
|
unsigned int low_bits;
|
unsigned int low_bits;
|
unsigned int high_bits;
|
unsigned int high_bits;
|
|
|
BFD_ASSERT ((rel_off & 1) != 1);
|
BFD_ASSERT ((rel_off & 1) != 1);
|
|
|
rel_off >>= 1; /* Half word aligned address. */
|
rel_off >>= 1; /* Half word aligned address. */
|
low_bits = rel_off & 0x000007FF; /* The bottom 11 bits. */
|
low_bits = rel_off & 0x000007FF; /* The bottom 11 bits. */
|
high_bits = (rel_off >> 11) & 0x000007FF; /* The top 11 bits. */
|
high_bits = (rel_off >> 11) & 0x000007FF; /* The top 11 bits. */
|
|
|
if ((br_insn & LOW_HI_ORDER) == LOW_HI_ORDER)
|
if ((br_insn & LOW_HI_ORDER) == LOW_HI_ORDER)
|
br_insn = LOW_HI_ORDER | (low_bits << 16) | high_bits;
|
br_insn = LOW_HI_ORDER | (low_bits << 16) | high_bits;
|
else if ((br_insn & HI_LOW_ORDER) == HI_LOW_ORDER)
|
else if ((br_insn & HI_LOW_ORDER) == HI_LOW_ORDER)
|
br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
|
br_insn = HI_LOW_ORDER | (high_bits << 16) | low_bits;
|
else
|
else
|
/* FIXME: the BFD library should never abort except for internal errors
|
/* FIXME: the BFD library should never abort except for internal errors
|
- it should return an error status. */
|
- it should return an error status. */
|
abort (); /* Error - not a valid branch instruction form. */
|
abort (); /* Error - not a valid branch instruction form. */
|
|
|
return br_insn;
|
return br_insn;
|
}
|
}
|
|
|
|
|
static struct coff_link_hash_entry *
|
static struct coff_link_hash_entry *
|
find_thumb_glue (struct bfd_link_info *info,
|
find_thumb_glue (struct bfd_link_info *info,
|
const char *name,
|
const char *name,
|
bfd *input_bfd)
|
bfd *input_bfd)
|
{
|
{
|
char *tmp_name;
|
char *tmp_name;
|
struct coff_link_hash_entry *myh;
|
struct coff_link_hash_entry *myh;
|
bfd_size_type amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
|
bfd_size_type amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
|
|
|
tmp_name = bfd_malloc (amt);
|
tmp_name = bfd_malloc (amt);
|
|
|
BFD_ASSERT (tmp_name);
|
BFD_ASSERT (tmp_name);
|
|
|
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
|
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
|
|
|
myh = coff_link_hash_lookup
|
myh = coff_link_hash_lookup
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
|
|
if (myh == NULL)
|
if (myh == NULL)
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
_bfd_error_handler (_("%B: unable to find THUMB glue '%s' for `%s'"),
|
_bfd_error_handler (_("%B: unable to find THUMB glue '%s' for `%s'"),
|
input_bfd, tmp_name, name);
|
input_bfd, tmp_name, name);
|
|
|
free (tmp_name);
|
free (tmp_name);
|
|
|
return myh;
|
return myh;
|
}
|
}
|
#endif /* not ARM_WINCE */
|
#endif /* not ARM_WINCE */
|
|
|
static struct coff_link_hash_entry *
|
static struct coff_link_hash_entry *
|
find_arm_glue (struct bfd_link_info *info,
|
find_arm_glue (struct bfd_link_info *info,
|
const char *name,
|
const char *name,
|
bfd *input_bfd)
|
bfd *input_bfd)
|
{
|
{
|
char *tmp_name;
|
char *tmp_name;
|
struct coff_link_hash_entry * myh;
|
struct coff_link_hash_entry * myh;
|
bfd_size_type amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
|
bfd_size_type amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
|
|
|
tmp_name = bfd_malloc (amt);
|
tmp_name = bfd_malloc (amt);
|
|
|
BFD_ASSERT (tmp_name);
|
BFD_ASSERT (tmp_name);
|
|
|
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
|
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
|
|
|
myh = coff_link_hash_lookup
|
myh = coff_link_hash_lookup
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
|
|
if (myh == NULL)
|
if (myh == NULL)
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
_bfd_error_handler (_("%B: unable to find ARM glue '%s' for `%s'"),
|
_bfd_error_handler (_("%B: unable to find ARM glue '%s' for `%s'"),
|
input_bfd, tmp_name, name);
|
input_bfd, tmp_name, name);
|
|
|
free (tmp_name);
|
free (tmp_name);
|
|
|
return myh;
|
return myh;
|
}
|
}
|
|
|
/*
|
/*
|
ARM->Thumb glue:
|
ARM->Thumb glue:
|
|
|
.arm
|
.arm
|
__func_from_arm:
|
__func_from_arm:
|
ldr r12, __func_addr
|
ldr r12, __func_addr
|
bx r12
|
bx r12
|
__func_addr:
|
__func_addr:
|
.word func @ behave as if you saw a ARM_32 reloc
|
.word func @ behave as if you saw a ARM_32 reloc
|
*/
|
*/
|
|
|
#define ARM2THUMB_GLUE_SIZE 12
|
#define ARM2THUMB_GLUE_SIZE 12
|
static const insn32 a2t1_ldr_insn = 0xe59fc000;
|
static const insn32 a2t1_ldr_insn = 0xe59fc000;
|
static const insn32 a2t2_bx_r12_insn = 0xe12fff1c;
|
static const insn32 a2t2_bx_r12_insn = 0xe12fff1c;
|
static const insn32 a2t3_func_addr_insn = 0x00000001;
|
static const insn32 a2t3_func_addr_insn = 0x00000001;
|
|
|
/*
|
/*
|
Thumb->ARM: Thumb->(non-interworking aware) ARM
|
Thumb->ARM: Thumb->(non-interworking aware) ARM
|
|
|
.thumb .thumb
|
.thumb .thumb
|
.align 2 .align 2
|
.align 2 .align 2
|
__func_from_thumb: __func_from_thumb:
|
__func_from_thumb: __func_from_thumb:
|
bx pc push {r6, lr}
|
bx pc push {r6, lr}
|
nop ldr r6, __func_addr
|
nop ldr r6, __func_addr
|
.arm mov lr, pc
|
.arm mov lr, pc
|
__func_change_to_arm: bx r6
|
__func_change_to_arm: bx r6
|
b func .arm
|
b func .arm
|
__func_back_to_thumb:
|
__func_back_to_thumb:
|
ldmia r13! {r6, lr}
|
ldmia r13! {r6, lr}
|
bx lr
|
bx lr
|
__func_addr:
|
__func_addr:
|
.word func
|
.word func
|
*/
|
*/
|
|
|
#define THUMB2ARM_GLUE_SIZE (globals->support_old_code ? 20 : 8)
|
#define THUMB2ARM_GLUE_SIZE (globals->support_old_code ? 20 : 8)
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
static const insn16 t2a1_bx_pc_insn = 0x4778;
|
static const insn16 t2a1_bx_pc_insn = 0x4778;
|
static const insn16 t2a2_noop_insn = 0x46c0;
|
static const insn16 t2a2_noop_insn = 0x46c0;
|
static const insn32 t2a3_b_insn = 0xea000000;
|
static const insn32 t2a3_b_insn = 0xea000000;
|
|
|
static const insn16 t2a1_push_insn = 0xb540;
|
static const insn16 t2a1_push_insn = 0xb540;
|
static const insn16 t2a2_ldr_insn = 0x4e03;
|
static const insn16 t2a2_ldr_insn = 0x4e03;
|
static const insn16 t2a3_mov_insn = 0x46fe;
|
static const insn16 t2a3_mov_insn = 0x46fe;
|
static const insn16 t2a4_bx_insn = 0x4730;
|
static const insn16 t2a4_bx_insn = 0x4730;
|
static const insn32 t2a5_pop_insn = 0xe8bd4040;
|
static const insn32 t2a5_pop_insn = 0xe8bd4040;
|
static const insn32 t2a6_bx_insn = 0xe12fff1e;
|
static const insn32 t2a6_bx_insn = 0xe12fff1e;
|
#endif
|
#endif
|
|
|
/* TODO:
|
/* TODO:
|
We should really create new local (static) symbols in destination
|
We should really create new local (static) symbols in destination
|
object for each stub we create. We should also create local
|
object for each stub we create. We should also create local
|
(static) symbols within the stubs when switching between ARM and
|
(static) symbols within the stubs when switching between ARM and
|
Thumb code. This will ensure that the debugger and disassembler
|
Thumb code. This will ensure that the debugger and disassembler
|
can present a better view of stubs.
|
can present a better view of stubs.
|
|
|
We can treat stubs like literal sections, and for the THUMB9 ones
|
We can treat stubs like literal sections, and for the THUMB9 ones
|
(short addressing range) we should be able to insert the stubs
|
(short addressing range) we should be able to insert the stubs
|
between sections. i.e. the simplest approach (since relocations
|
between sections. i.e. the simplest approach (since relocations
|
are done on a section basis) is to dump the stubs at the end of
|
are done on a section basis) is to dump the stubs at the end of
|
processing a section. That way we can always try and minimise the
|
processing a section. That way we can always try and minimise the
|
offset to and from a stub. However, this does not map well onto
|
offset to and from a stub. However, this does not map well onto
|
the way that the linker/BFD does its work: mapping all input
|
the way that the linker/BFD does its work: mapping all input
|
sections to output sections via the linker script before doing
|
sections to output sections via the linker script before doing
|
all the processing.
|
all the processing.
|
|
|
Unfortunately it may be easier to just to disallow short range
|
Unfortunately it may be easier to just to disallow short range
|
Thumb->ARM stubs (i.e. no conditional inter-working branches,
|
Thumb->ARM stubs (i.e. no conditional inter-working branches,
|
only branch-and-link (BL) calls. This will simplify the processing
|
only branch-and-link (BL) calls. This will simplify the processing
|
since we can then put all of the stubs into their own section.
|
since we can then put all of the stubs into their own section.
|
|
|
TODO:
|
TODO:
|
On a different subject, rather than complaining when a
|
On a different subject, rather than complaining when a
|
branch cannot fit in the number of bits available for the
|
branch cannot fit in the number of bits available for the
|
instruction we should generate a trampoline stub (needed to
|
instruction we should generate a trampoline stub (needed to
|
address the complete 32bit address space). */
|
address the complete 32bit address space). */
|
|
|
/* The standard COFF backend linker does not cope with the special
|
/* The standard COFF backend linker does not cope with the special
|
Thumb BRANCH23 relocation. The alternative would be to split the
|
Thumb BRANCH23 relocation. The alternative would be to split the
|
BRANCH23 into seperate HI23 and LO23 relocations. However, it is a
|
BRANCH23 into seperate HI23 and LO23 relocations. However, it is a
|
bit simpler simply providing our own relocation driver. */
|
bit simpler simply providing our own relocation driver. */
|
|
|
/* The reloc processing routine for the ARM/Thumb COFF linker. NOTE:
|
/* The reloc processing routine for the ARM/Thumb COFF linker. NOTE:
|
This code is a very slightly modified copy of
|
This code is a very slightly modified copy of
|
_bfd_coff_generic_relocate_section. It would be a much more
|
_bfd_coff_generic_relocate_section. It would be a much more
|
maintainable solution to have a MACRO that could be expanded within
|
maintainable solution to have a MACRO that could be expanded within
|
_bfd_coff_generic_relocate_section that would only be provided for
|
_bfd_coff_generic_relocate_section that would only be provided for
|
ARM/Thumb builds. It is only the code marked THUMBEXTENSION that
|
ARM/Thumb builds. It is only the code marked THUMBEXTENSION that
|
is different from the original. */
|
is different from the original. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_relocate_section (bfd *output_bfd,
|
coff_arm_relocate_section (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd *input_bfd,
|
bfd *input_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_byte *contents,
|
bfd_byte *contents,
|
struct internal_reloc *relocs,
|
struct internal_reloc *relocs,
|
struct internal_syment *syms,
|
struct internal_syment *syms,
|
asection **sections)
|
asection **sections)
|
{
|
{
|
struct internal_reloc * rel;
|
struct internal_reloc * rel;
|
struct internal_reloc * relend;
|
struct internal_reloc * relend;
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
|
bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section);
|
#endif
|
#endif
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = rel + input_section->reloc_count;
|
relend = rel + input_section->reloc_count;
|
|
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
int done = 0;
|
int done = 0;
|
long symndx;
|
long symndx;
|
struct coff_link_hash_entry * h;
|
struct coff_link_hash_entry * h;
|
struct internal_syment * sym;
|
struct internal_syment * sym;
|
bfd_vma addend;
|
bfd_vma addend;
|
bfd_vma val;
|
bfd_vma val;
|
reloc_howto_type * howto;
|
reloc_howto_type * howto;
|
bfd_reloc_status_type rstat;
|
bfd_reloc_status_type rstat;
|
bfd_vma h_val;
|
bfd_vma h_val;
|
|
|
symndx = rel->r_symndx;
|
symndx = rel->r_symndx;
|
|
|
if (symndx == -1)
|
if (symndx == -1)
|
{
|
{
|
h = NULL;
|
h = NULL;
|
sym = NULL;
|
sym = NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
h = obj_coff_sym_hashes (input_bfd)[symndx];
|
h = obj_coff_sym_hashes (input_bfd)[symndx];
|
sym = syms + symndx;
|
sym = syms + symndx;
|
}
|
}
|
|
|
/* COFF treats common symbols in one of two ways. Either the
|
/* COFF treats common symbols in one of two ways. Either the
|
size of the symbol is included in the section contents, or it
|
size of the symbol is included in the section contents, or it
|
is not. We assume that the size is not included, and force
|
is not. We assume that the size is not included, and force
|
the rtype_to_howto function to adjust the addend as needed. */
|
the rtype_to_howto function to adjust the addend as needed. */
|
|
|
if (sym != NULL && sym->n_scnum != 0)
|
if (sym != NULL && sym->n_scnum != 0)
|
addend = - sym->n_value;
|
addend = - sym->n_value;
|
else
|
else
|
addend = 0;
|
addend = 0;
|
|
|
howto = coff_rtype_to_howto (input_bfd, input_section, rel, h,
|
howto = coff_rtype_to_howto (input_bfd, input_section, rel, h,
|
sym, &addend);
|
sym, &addend);
|
if (howto == NULL)
|
if (howto == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
/* The relocation_section function will skip pcrel_offset relocs
|
/* The relocation_section function will skip pcrel_offset relocs
|
when doing a relocatable link. However, we want to convert
|
when doing a relocatable link. However, we want to convert
|
ARM_26 to ARM_26D relocs if possible. We return a fake howto in
|
ARM_26 to ARM_26D relocs if possible. We return a fake howto in
|
this case without pcrel_offset set, and adjust the addend to
|
this case without pcrel_offset set, and adjust the addend to
|
compensate. 'partial_inplace' is also set, since we want 'done'
|
compensate. 'partial_inplace' is also set, since we want 'done'
|
relocations to be reflected in section's data. */
|
relocations to be reflected in section's data. */
|
if (rel->r_type == ARM_26
|
if (rel->r_type == ARM_26
|
&& h != NULL
|
&& h != NULL
|
&& info->relocatable
|
&& info->relocatable
|
&& (h->root.type == bfd_link_hash_defined
|
&& (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
&& (h->root.u.def.section->output_section
|
&& (h->root.u.def.section->output_section
|
== input_section->output_section))
|
== input_section->output_section))
|
{
|
{
|
static reloc_howto_type fake_arm26_reloc =
|
static reloc_howto_type fake_arm26_reloc =
|
HOWTO (ARM_26,
|
HOWTO (ARM_26,
|
2,
|
2,
|
2,
|
2,
|
24,
|
24,
|
TRUE,
|
TRUE,
|
0,
|
0,
|
complain_overflow_signed,
|
complain_overflow_signed,
|
aoutarm_fix_pcrel_26 ,
|
aoutarm_fix_pcrel_26 ,
|
"ARM_26",
|
"ARM_26",
|
TRUE,
|
TRUE,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
0x00ffffff,
|
FALSE);
|
FALSE);
|
|
|
addend -= rel->r_vaddr - input_section->vma;
|
addend -= rel->r_vaddr - input_section->vma;
|
#ifdef ARM_WINCE
|
#ifdef ARM_WINCE
|
/* FIXME: I don't know why, but the hack is necessary for correct
|
/* FIXME: I don't know why, but the hack is necessary for correct
|
generation of bl's instruction offset. */
|
generation of bl's instruction offset. */
|
addend -= 8;
|
addend -= 8;
|
#endif
|
#endif
|
howto = & fake_arm26_reloc;
|
howto = & fake_arm26_reloc;
|
}
|
}
|
|
|
#ifdef ARM_WINCE
|
#ifdef ARM_WINCE
|
/* MS ARM-CE makes the reloc relative to the opcode's pc, not
|
/* MS ARM-CE makes the reloc relative to the opcode's pc, not
|
the next opcode's pc, so is off by one. */
|
the next opcode's pc, so is off by one. */
|
if (howto->pc_relative && !info->relocatable)
|
if (howto->pc_relative && !info->relocatable)
|
addend -= 8;
|
addend -= 8;
|
#endif
|
#endif
|
|
|
/* If we are doing a relocatable link, then we can just ignore
|
/* If we are doing a relocatable link, then we can just ignore
|
a PC relative reloc that is pcrel_offset. It will already
|
a PC relative reloc that is pcrel_offset. It will already
|
have the correct value. If this is not a relocatable link,
|
have the correct value. If this is not a relocatable link,
|
then we should ignore the symbol value. */
|
then we should ignore the symbol value. */
|
if (howto->pc_relative && howto->pcrel_offset)
|
if (howto->pc_relative && howto->pcrel_offset)
|
{
|
{
|
if (info->relocatable)
|
if (info->relocatable)
|
continue;
|
continue;
|
/* FIXME - it is not clear which targets need this next test
|
/* FIXME - it is not clear which targets need this next test
|
and which do not. It is known that it is needed for the
|
and which do not. It is known that it is needed for the
|
VxWorks and EPOC-PE targets, but it is also known that it
|
VxWorks and EPOC-PE targets, but it is also known that it
|
was suppressed for other ARM targets. This ought to be
|
was suppressed for other ARM targets. This ought to be
|
sorted out one day. */
|
sorted out one day. */
|
#ifdef ARM_COFF_BUGFIX
|
#ifdef ARM_COFF_BUGFIX
|
/* We must not ignore the symbol value. If the symbol is
|
/* We must not ignore the symbol value. If the symbol is
|
within the same section, the relocation should have already
|
within the same section, the relocation should have already
|
been fixed, but if it is not, we'll be handed a reloc into
|
been fixed, but if it is not, we'll be handed a reloc into
|
the beginning of the symbol's section, so we must not cancel
|
the beginning of the symbol's section, so we must not cancel
|
out the symbol's value, otherwise we'll be adding it in
|
out the symbol's value, otherwise we'll be adding it in
|
twice. */
|
twice. */
|
if (sym != NULL && sym->n_scnum != 0)
|
if (sym != NULL && sym->n_scnum != 0)
|
addend += sym->n_value;
|
addend += sym->n_value;
|
#endif
|
#endif
|
}
|
}
|
|
|
val = 0;
|
val = 0;
|
|
|
if (h == NULL)
|
if (h == NULL)
|
{
|
{
|
asection *sec;
|
asection *sec;
|
|
|
if (symndx == -1)
|
if (symndx == -1)
|
{
|
{
|
sec = bfd_abs_section_ptr;
|
sec = bfd_abs_section_ptr;
|
val = 0;
|
val = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
sec = sections[symndx];
|
sec = sections[symndx];
|
val = (sec->output_section->vma
|
val = (sec->output_section->vma
|
+ sec->output_offset
|
+ sec->output_offset
|
+ sym->n_value
|
+ sym->n_value
|
- sec->vma);
|
- sec->vma);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We don't output the stubs if we are generating a
|
/* We don't output the stubs if we are generating a
|
relocatable output file, since we may as well leave the
|
relocatable output file, since we may as well leave the
|
stub generation to the final linker pass. If we fail to
|
stub generation to the final linker pass. If we fail to
|
verify that the name is defined, we'll try to build stubs
|
verify that the name is defined, we'll try to build stubs
|
for an undefined name... */
|
for an undefined name... */
|
if (! info->relocatable
|
if (! info->relocatable
|
&& ( h->root.type == bfd_link_hash_defined
|
&& ( h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak))
|
|| h->root.type == bfd_link_hash_defweak))
|
{
|
{
|
asection * h_sec = h->root.u.def.section;
|
asection * h_sec = h->root.u.def.section;
|
const char * name = h->root.root.string;
|
const char * name = h->root.root.string;
|
|
|
/* h locates the symbol referenced in the reloc. */
|
/* h locates the symbol referenced in the reloc. */
|
h_val = (h->root.u.def.value
|
h_val = (h->root.u.def.value
|
+ h_sec->output_section->vma
|
+ h_sec->output_section->vma
|
+ h_sec->output_offset);
|
+ h_sec->output_offset);
|
|
|
if (howto->type == ARM_26)
|
if (howto->type == ARM_26)
|
{
|
{
|
if ( h->class == C_THUMBSTATFUNC
|
if ( h->class == C_THUMBSTATFUNC
|
|| h->class == C_THUMBEXTFUNC)
|
|| h->class == C_THUMBEXTFUNC)
|
{
|
{
|
/* Arm code calling a Thumb function. */
|
/* Arm code calling a Thumb function. */
|
unsigned long int tmp;
|
unsigned long int tmp;
|
bfd_vma my_offset;
|
bfd_vma my_offset;
|
asection * s;
|
asection * s;
|
long int ret_offset;
|
long int ret_offset;
|
struct coff_link_hash_entry * myh;
|
struct coff_link_hash_entry * myh;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
|
|
myh = find_arm_glue (info, name, input_bfd);
|
myh = find_arm_glue (info, name, input_bfd);
|
if (myh == NULL)
|
if (myh == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
my_offset = myh->root.u.def.value;
|
my_offset = myh->root.u.def.value;
|
|
|
s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
|
s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
|
ARM2THUMB_GLUE_SECTION_NAME);
|
ARM2THUMB_GLUE_SECTION_NAME);
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s->contents != NULL);
|
BFD_ASSERT (s->contents != NULL);
|
BFD_ASSERT (s->output_section != NULL);
|
BFD_ASSERT (s->output_section != NULL);
|
|
|
if ((my_offset & 0x01) == 0x01)
|
if ((my_offset & 0x01) == 0x01)
|
{
|
{
|
if (h_sec->owner != NULL
|
if (h_sec->owner != NULL
|
&& INTERWORK_SET (h_sec->owner)
|
&& INTERWORK_SET (h_sec->owner)
|
&& ! INTERWORK_FLAG (h_sec->owner))
|
&& ! INTERWORK_FLAG (h_sec->owner))
|
_bfd_error_handler
|
_bfd_error_handler
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
(_("%B(%s): warning: interworking not enabled.\n"
|
(_("%B(%s): warning: interworking not enabled.\n"
|
" first occurrence: %B: arm call to thumb"),
|
" first occurrence: %B: arm call to thumb"),
|
h_sec->owner, input_bfd, name);
|
h_sec->owner, input_bfd, name);
|
|
|
--my_offset;
|
--my_offset;
|
myh->root.u.def.value = my_offset;
|
myh->root.u.def.value = my_offset;
|
|
|
bfd_put_32 (output_bfd, (bfd_vma) a2t1_ldr_insn,
|
bfd_put_32 (output_bfd, (bfd_vma) a2t1_ldr_insn,
|
s->contents + my_offset);
|
s->contents + my_offset);
|
|
|
bfd_put_32 (output_bfd, (bfd_vma) a2t2_bx_r12_insn,
|
bfd_put_32 (output_bfd, (bfd_vma) a2t2_bx_r12_insn,
|
s->contents + my_offset + 4);
|
s->contents + my_offset + 4);
|
|
|
/* It's a thumb address. Add the low order bit. */
|
/* It's a thumb address. Add the low order bit. */
|
bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
|
bfd_put_32 (output_bfd, h_val | a2t3_func_addr_insn,
|
s->contents + my_offset + 8);
|
s->contents + my_offset + 8);
|
|
|
if (info->base_file
|
if (info->base_file
|
&& !arm_emit_base_file_entry (info, output_bfd,
|
&& !arm_emit_base_file_entry (info, output_bfd,
|
s, my_offset + 8))
|
s, my_offset + 8))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
BFD_ASSERT (my_offset <= globals->arm_glue_size);
|
BFD_ASSERT (my_offset <= globals->arm_glue_size);
|
|
|
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
|
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
|
- input_section->vma);
|
- input_section->vma);
|
|
|
tmp = tmp & 0xFF000000;
|
tmp = tmp & 0xFF000000;
|
|
|
/* Somehow these are both 4 too far, so subtract 8. */
|
/* Somehow these are both 4 too far, so subtract 8. */
|
ret_offset =
|
ret_offset =
|
s->output_offset
|
s->output_offset
|
+ my_offset
|
+ my_offset
|
+ s->output_section->vma
|
+ s->output_section->vma
|
- (input_section->output_offset
|
- (input_section->output_offset
|
+ input_section->output_section->vma
|
+ input_section->output_section->vma
|
+ rel->r_vaddr)
|
+ rel->r_vaddr)
|
- 8;
|
- 8;
|
|
|
tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);
|
tmp = tmp | ((ret_offset >> 2) & 0x00FFFFFF);
|
|
|
bfd_put_32 (output_bfd, (bfd_vma) tmp,
|
bfd_put_32 (output_bfd, (bfd_vma) tmp,
|
contents + rel->r_vaddr - input_section->vma);
|
contents + rel->r_vaddr - input_section->vma);
|
done = 1;
|
done = 1;
|
}
|
}
|
}
|
}
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
/* Note: We used to check for ARM_THUMB9 and ARM_THUMB12. */
|
/* Note: We used to check for ARM_THUMB9 and ARM_THUMB12. */
|
else if (howto->type == ARM_THUMB23)
|
else if (howto->type == ARM_THUMB23)
|
{
|
{
|
if ( h->class == C_EXT
|
if ( h->class == C_EXT
|
|| h->class == C_STAT
|
|| h->class == C_STAT
|
|| h->class == C_LABEL)
|
|| h->class == C_LABEL)
|
{
|
{
|
/* Thumb code calling an ARM function. */
|
/* Thumb code calling an ARM function. */
|
asection * s = 0;
|
asection * s = 0;
|
bfd_vma my_offset;
|
bfd_vma my_offset;
|
unsigned long int tmp;
|
unsigned long int tmp;
|
long int ret_offset;
|
long int ret_offset;
|
struct coff_link_hash_entry * myh;
|
struct coff_link_hash_entry * myh;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
|
|
myh = find_thumb_glue (info, name, input_bfd);
|
myh = find_thumb_glue (info, name, input_bfd);
|
if (myh == NULL)
|
if (myh == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
my_offset = myh->root.u.def.value;
|
my_offset = myh->root.u.def.value;
|
|
|
s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
|
s = bfd_get_section_by_name (globals->bfd_of_glue_owner,
|
THUMB2ARM_GLUE_SECTION_NAME);
|
THUMB2ARM_GLUE_SECTION_NAME);
|
|
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s->contents != NULL);
|
BFD_ASSERT (s->contents != NULL);
|
BFD_ASSERT (s->output_section != NULL);
|
BFD_ASSERT (s->output_section != NULL);
|
|
|
if ((my_offset & 0x01) == 0x01)
|
if ((my_offset & 0x01) == 0x01)
|
{
|
{
|
if (h_sec->owner != NULL
|
if (h_sec->owner != NULL
|
&& INTERWORK_SET (h_sec->owner)
|
&& INTERWORK_SET (h_sec->owner)
|
&& ! INTERWORK_FLAG (h_sec->owner)
|
&& ! INTERWORK_FLAG (h_sec->owner)
|
&& ! globals->support_old_code)
|
&& ! globals->support_old_code)
|
_bfd_error_handler
|
_bfd_error_handler
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
(_("%B(%s): warning: interworking not enabled.\n"
|
(_("%B(%s): warning: interworking not enabled.\n"
|
" first occurrence: %B: thumb call to arm\n"
|
" first occurrence: %B: thumb call to arm\n"
|
" consider relinking with --support-old-code enabled"),
|
" consider relinking with --support-old-code enabled"),
|
h_sec->owner, input_bfd, name);
|
h_sec->owner, input_bfd, name);
|
|
|
-- my_offset;
|
-- my_offset;
|
myh->root.u.def.value = my_offset;
|
myh->root.u.def.value = my_offset;
|
|
|
if (globals->support_old_code)
|
if (globals->support_old_code)
|
{
|
{
|
bfd_put_16 (output_bfd, (bfd_vma) t2a1_push_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a1_push_insn,
|
s->contents + my_offset);
|
s->contents + my_offset);
|
|
|
bfd_put_16 (output_bfd, (bfd_vma) t2a2_ldr_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a2_ldr_insn,
|
s->contents + my_offset + 2);
|
s->contents + my_offset + 2);
|
|
|
bfd_put_16 (output_bfd, (bfd_vma) t2a3_mov_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a3_mov_insn,
|
s->contents + my_offset + 4);
|
s->contents + my_offset + 4);
|
|
|
bfd_put_16 (output_bfd, (bfd_vma) t2a4_bx_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a4_bx_insn,
|
s->contents + my_offset + 6);
|
s->contents + my_offset + 6);
|
|
|
bfd_put_32 (output_bfd, (bfd_vma) t2a5_pop_insn,
|
bfd_put_32 (output_bfd, (bfd_vma) t2a5_pop_insn,
|
s->contents + my_offset + 8);
|
s->contents + my_offset + 8);
|
|
|
bfd_put_32 (output_bfd, (bfd_vma) t2a6_bx_insn,
|
bfd_put_32 (output_bfd, (bfd_vma) t2a6_bx_insn,
|
s->contents + my_offset + 12);
|
s->contents + my_offset + 12);
|
|
|
/* Store the address of the function in the last word of the stub. */
|
/* Store the address of the function in the last word of the stub. */
|
bfd_put_32 (output_bfd, h_val,
|
bfd_put_32 (output_bfd, h_val,
|
s->contents + my_offset + 16);
|
s->contents + my_offset + 16);
|
|
|
if (info->base_file
|
if (info->base_file
|
&& !arm_emit_base_file_entry (info,
|
&& !arm_emit_base_file_entry (info,
|
output_bfd, s,
|
output_bfd, s,
|
my_offset + 16))
|
my_offset + 16))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_16 (output_bfd, (bfd_vma) t2a1_bx_pc_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a1_bx_pc_insn,
|
s->contents + my_offset);
|
s->contents + my_offset);
|
|
|
bfd_put_16 (output_bfd, (bfd_vma) t2a2_noop_insn,
|
bfd_put_16 (output_bfd, (bfd_vma) t2a2_noop_insn,
|
s->contents + my_offset + 2);
|
s->contents + my_offset + 2);
|
|
|
ret_offset =
|
ret_offset =
|
/* Address of destination of the stub. */
|
/* Address of destination of the stub. */
|
((bfd_signed_vma) h_val)
|
((bfd_signed_vma) h_val)
|
- ((bfd_signed_vma)
|
- ((bfd_signed_vma)
|
/* Offset from the start of the current section to the start of the stubs. */
|
/* Offset from the start of the current section to the start of the stubs. */
|
(s->output_offset
|
(s->output_offset
|
/* Offset of the start of this stub from the start of the stubs. */
|
/* Offset of the start of this stub from the start of the stubs. */
|
+ my_offset
|
+ my_offset
|
/* Address of the start of the current section. */
|
/* Address of the start of the current section. */
|
+ s->output_section->vma)
|
+ s->output_section->vma)
|
/* The branch instruction is 4 bytes into the stub. */
|
/* The branch instruction is 4 bytes into the stub. */
|
+ 4
|
+ 4
|
/* ARM branches work from the pc of the instruction + 8. */
|
/* ARM branches work from the pc of the instruction + 8. */
|
+ 8);
|
+ 8);
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(bfd_vma) t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
|
(bfd_vma) t2a3_b_insn | ((ret_offset >> 2) & 0x00FFFFFF),
|
s->contents + my_offset + 4);
|
s->contents + my_offset + 4);
|
|
|
}
|
}
|
}
|
}
|
|
|
BFD_ASSERT (my_offset <= globals->thumb_glue_size);
|
BFD_ASSERT (my_offset <= globals->thumb_glue_size);
|
|
|
/* Now go back and fix up the original BL insn to point
|
/* Now go back and fix up the original BL insn to point
|
to here. */
|
to here. */
|
ret_offset =
|
ret_offset =
|
s->output_offset
|
s->output_offset
|
+ my_offset
|
+ my_offset
|
- (input_section->output_offset
|
- (input_section->output_offset
|
+ rel->r_vaddr)
|
+ rel->r_vaddr)
|
-4;
|
-4;
|
|
|
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
|
tmp = bfd_get_32 (input_bfd, contents + rel->r_vaddr
|
- input_section->vma);
|
- input_section->vma);
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(bfd_vma) insert_thumb_branch (tmp,
|
(bfd_vma) insert_thumb_branch (tmp,
|
ret_offset),
|
ret_offset),
|
contents + rel->r_vaddr - input_section->vma);
|
contents + rel->r_vaddr - input_section->vma);
|
|
|
done = 1;
|
done = 1;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
/* If the relocation type and destination symbol does not
|
/* If the relocation type and destination symbol does not
|
fall into one of the above categories, then we can just
|
fall into one of the above categories, then we can just
|
perform a direct link. */
|
perform a direct link. */
|
|
|
if (done)
|
if (done)
|
rstat = bfd_reloc_ok;
|
rstat = bfd_reloc_ok;
|
else
|
else
|
if ( h->root.type == bfd_link_hash_defined
|
if ( h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
{
|
{
|
asection *sec;
|
asection *sec;
|
|
|
sec = h->root.u.def.section;
|
sec = h->root.u.def.section;
|
val = (h->root.u.def.value
|
val = (h->root.u.def.value
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset);
|
+ sec->output_offset);
|
}
|
}
|
|
|
else if (! info->relocatable)
|
else if (! info->relocatable)
|
{
|
{
|
if (! ((*info->callbacks->undefined_symbol)
|
if (! ((*info->callbacks->undefined_symbol)
|
(info, h->root.root.string, input_bfd, input_section,
|
(info, h->root.root.string, input_bfd, input_section,
|
rel->r_vaddr - input_section->vma, TRUE)))
|
rel->r_vaddr - input_section->vma, TRUE)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
/* Emit a reloc if the backend thinks it needs it. */
|
/* Emit a reloc if the backend thinks it needs it. */
|
if (info->base_file
|
if (info->base_file
|
&& sym
|
&& sym
|
&& pe_data(output_bfd)->in_reloc_p(output_bfd, howto)
|
&& pe_data(output_bfd)->in_reloc_p(output_bfd, howto)
|
&& !arm_emit_base_file_entry (info, output_bfd, input_section,
|
&& !arm_emit_base_file_entry (info, output_bfd, input_section,
|
rel->r_vaddr))
|
rel->r_vaddr))
|
return FALSE;
|
return FALSE;
|
|
|
if (done)
|
if (done)
|
rstat = bfd_reloc_ok;
|
rstat = bfd_reloc_ok;
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
/* Only perform this fix during the final link, not a relocatable link. */
|
/* Only perform this fix during the final link, not a relocatable link. */
|
else if (! info->relocatable
|
else if (! info->relocatable
|
&& howto->type == ARM_THUMB23)
|
&& howto->type == ARM_THUMB23)
|
{
|
{
|
/* This is pretty much a copy of what the default
|
/* This is pretty much a copy of what the default
|
_bfd_final_link_relocate and _bfd_relocate_contents
|
_bfd_final_link_relocate and _bfd_relocate_contents
|
routines do to perform a relocation, with special
|
routines do to perform a relocation, with special
|
processing for the split addressing of the Thumb BL
|
processing for the split addressing of the Thumb BL
|
instruction. Again, it would probably be simpler adding a
|
instruction. Again, it would probably be simpler adding a
|
ThumbBRANCH23 specific macro expansion into the default
|
ThumbBRANCH23 specific macro expansion into the default
|
code. */
|
code. */
|
|
|
bfd_vma address = rel->r_vaddr - input_section->vma;
|
bfd_vma address = rel->r_vaddr - input_section->vma;
|
|
|
if (address > high_address)
|
if (address > high_address)
|
rstat = bfd_reloc_outofrange;
|
rstat = bfd_reloc_outofrange;
|
else
|
else
|
{
|
{
|
bfd_vma relocation = val + addend;
|
bfd_vma relocation = val + addend;
|
int size = bfd_get_reloc_size (howto);
|
int size = bfd_get_reloc_size (howto);
|
bfd_boolean overflow = FALSE;
|
bfd_boolean overflow = FALSE;
|
bfd_byte *location = contents + address;
|
bfd_byte *location = contents + address;
|
bfd_vma x = bfd_get_32 (input_bfd, location);
|
bfd_vma x = bfd_get_32 (input_bfd, location);
|
bfd_vma src_mask = 0x007FFFFE;
|
bfd_vma src_mask = 0x007FFFFE;
|
bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
|
bfd_signed_vma reloc_signed_max = (1 << (howto->bitsize - 1)) - 1;
|
bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
|
bfd_signed_vma reloc_signed_min = ~reloc_signed_max;
|
bfd_vma check;
|
bfd_vma check;
|
bfd_signed_vma signed_check;
|
bfd_signed_vma signed_check;
|
bfd_vma add;
|
bfd_vma add;
|
bfd_signed_vma signed_add;
|
bfd_signed_vma signed_add;
|
|
|
BFD_ASSERT (size == 4);
|
BFD_ASSERT (size == 4);
|
|
|
/* howto->pc_relative should be TRUE for type 14 BRANCH23. */
|
/* howto->pc_relative should be TRUE for type 14 BRANCH23. */
|
relocation -= (input_section->output_section->vma
|
relocation -= (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
|
|
/* howto->pcrel_offset should be TRUE for type 14 BRANCH23. */
|
/* howto->pcrel_offset should be TRUE for type 14 BRANCH23. */
|
relocation -= address;
|
relocation -= address;
|
|
|
/* No need to negate the relocation with BRANCH23. */
|
/* No need to negate the relocation with BRANCH23. */
|
/* howto->complain_on_overflow == complain_overflow_signed for BRANCH23. */
|
/* howto->complain_on_overflow == complain_overflow_signed for BRANCH23. */
|
/* howto->rightshift == 1 */
|
/* howto->rightshift == 1 */
|
|
|
/* Drop unwanted bits from the value we are relocating to. */
|
/* Drop unwanted bits from the value we are relocating to. */
|
check = relocation >> howto->rightshift;
|
check = relocation >> howto->rightshift;
|
|
|
/* If this is a signed value, the rightshift just dropped
|
/* If this is a signed value, the rightshift just dropped
|
leading 1 bits (assuming twos complement). */
|
leading 1 bits (assuming twos complement). */
|
if ((bfd_signed_vma) relocation >= 0)
|
if ((bfd_signed_vma) relocation >= 0)
|
signed_check = check;
|
signed_check = check;
|
else
|
else
|
signed_check = (check
|
signed_check = (check
|
| ((bfd_vma) - 1
|
| ((bfd_vma) - 1
|
& ~((bfd_vma) - 1 >> howto->rightshift)));
|
& ~((bfd_vma) - 1 >> howto->rightshift)));
|
|
|
/* Get the value from the object file. */
|
/* Get the value from the object file. */
|
if (bfd_big_endian (input_bfd))
|
if (bfd_big_endian (input_bfd))
|
add = (((x) & 0x07ff0000) >> 4) | (((x) & 0x7ff) << 1);
|
add = (((x) & 0x07ff0000) >> 4) | (((x) & 0x7ff) << 1);
|
else
|
else
|
add = ((((x) & 0x7ff) << 12) | (((x) & 0x07ff0000) >> 15));
|
add = ((((x) & 0x7ff) << 12) | (((x) & 0x07ff0000) >> 15));
|
|
|
/* Get the value from the object file with an appropriate sign.
|
/* Get the value from the object file with an appropriate sign.
|
The expression involving howto->src_mask isolates the upper
|
The expression involving howto->src_mask isolates the upper
|
bit of src_mask. If that bit is set in the value we are
|
bit of src_mask. If that bit is set in the value we are
|
adding, it is negative, and we subtract out that number times
|
adding, it is negative, and we subtract out that number times
|
two. If src_mask includes the highest possible bit, then we
|
two. If src_mask includes the highest possible bit, then we
|
can not get the upper bit, but that does not matter since
|
can not get the upper bit, but that does not matter since
|
signed_add needs no adjustment to become negative in that
|
signed_add needs no adjustment to become negative in that
|
case. */
|
case. */
|
signed_add = add;
|
signed_add = add;
|
|
|
if ((add & (((~ src_mask) >> 1) & src_mask)) != 0)
|
if ((add & (((~ src_mask) >> 1) & src_mask)) != 0)
|
signed_add -= (((~ src_mask) >> 1) & src_mask) << 1;
|
signed_add -= (((~ src_mask) >> 1) & src_mask) << 1;
|
|
|
/* howto->bitpos == 0 */
|
/* howto->bitpos == 0 */
|
/* Add the value from the object file, shifted so that it is a
|
/* Add the value from the object file, shifted so that it is a
|
straight number. */
|
straight number. */
|
signed_check += signed_add;
|
signed_check += signed_add;
|
relocation += signed_add;
|
relocation += signed_add;
|
|
|
BFD_ASSERT (howto->complain_on_overflow == complain_overflow_signed);
|
BFD_ASSERT (howto->complain_on_overflow == complain_overflow_signed);
|
|
|
/* Assumes two's complement. */
|
/* Assumes two's complement. */
|
if ( signed_check > reloc_signed_max
|
if ( signed_check > reloc_signed_max
|
|| signed_check < reloc_signed_min)
|
|| signed_check < reloc_signed_min)
|
overflow = TRUE;
|
overflow = TRUE;
|
|
|
/* Put the relocation into the correct bits.
|
/* Put the relocation into the correct bits.
|
For a BLX instruction, make sure that the relocation is rounded up
|
For a BLX instruction, make sure that the relocation is rounded up
|
to a word boundary. This follows the semantics of the instruction
|
to a word boundary. This follows the semantics of the instruction
|
which specifies that bit 1 of the target address will come from bit
|
which specifies that bit 1 of the target address will come from bit
|
1 of the base address. */
|
1 of the base address. */
|
if (bfd_big_endian (input_bfd))
|
if (bfd_big_endian (input_bfd))
|
{
|
{
|
if ((x & 0x1800) == 0x0800 && (relocation & 0x02))
|
if ((x & 0x1800) == 0x0800 && (relocation & 0x02))
|
relocation += 2;
|
relocation += 2;
|
relocation = (((relocation & 0xffe) >> 1) | ((relocation << 4) & 0x07ff0000));
|
relocation = (((relocation & 0xffe) >> 1) | ((relocation << 4) & 0x07ff0000));
|
}
|
}
|
else
|
else
|
{
|
{
|
if ((x & 0x18000000) == 0x08000000 && (relocation & 0x02))
|
if ((x & 0x18000000) == 0x08000000 && (relocation & 0x02))
|
relocation += 2;
|
relocation += 2;
|
relocation = (((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff));
|
relocation = (((relocation & 0xffe) << 15) | ((relocation >> 12) & 0x7ff));
|
}
|
}
|
|
|
/* Add the relocation to the correct bits of X. */
|
/* Add the relocation to the correct bits of X. */
|
x = ((x & ~howto->dst_mask) | relocation);
|
x = ((x & ~howto->dst_mask) | relocation);
|
|
|
/* Put the relocated value back in the object file. */
|
/* Put the relocated value back in the object file. */
|
bfd_put_32 (input_bfd, x, location);
|
bfd_put_32 (input_bfd, x, location);
|
|
|
rstat = overflow ? bfd_reloc_overflow : bfd_reloc_ok;
|
rstat = overflow ? bfd_reloc_overflow : bfd_reloc_ok;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
else
|
else
|
if (info->relocatable && ! howto->partial_inplace)
|
if (info->relocatable && ! howto->partial_inplace)
|
rstat = bfd_reloc_ok;
|
rstat = bfd_reloc_ok;
|
else
|
else
|
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
contents,
|
contents,
|
rel->r_vaddr - input_section->vma,
|
rel->r_vaddr - input_section->vma,
|
val, addend);
|
val, addend);
|
/* Only perform this fix during the final link, not a relocatable link. */
|
/* Only perform this fix during the final link, not a relocatable link. */
|
if (! info->relocatable
|
if (! info->relocatable
|
&& (rel->r_type == ARM_32 || rel->r_type == ARM_RVA32))
|
&& (rel->r_type == ARM_32 || rel->r_type == ARM_RVA32))
|
{
|
{
|
/* Determine if we need to set the bottom bit of a relocated address
|
/* Determine if we need to set the bottom bit of a relocated address
|
because the address is the address of a Thumb code symbol. */
|
because the address is the address of a Thumb code symbol. */
|
int patchit = FALSE;
|
int patchit = FALSE;
|
|
|
if (h != NULL
|
if (h != NULL
|
&& ( h->class == C_THUMBSTATFUNC
|
&& ( h->class == C_THUMBSTATFUNC
|
|| h->class == C_THUMBEXTFUNC))
|
|| h->class == C_THUMBEXTFUNC))
|
{
|
{
|
patchit = TRUE;
|
patchit = TRUE;
|
}
|
}
|
else if (sym != NULL
|
else if (sym != NULL
|
&& sym->n_scnum > N_UNDEF)
|
&& sym->n_scnum > N_UNDEF)
|
{
|
{
|
/* No hash entry - use the symbol instead. */
|
/* No hash entry - use the symbol instead. */
|
if ( sym->n_sclass == C_THUMBSTATFUNC
|
if ( sym->n_sclass == C_THUMBSTATFUNC
|
|| sym->n_sclass == C_THUMBEXTFUNC)
|
|| sym->n_sclass == C_THUMBEXTFUNC)
|
patchit = TRUE;
|
patchit = TRUE;
|
}
|
}
|
|
|
if (patchit)
|
if (patchit)
|
{
|
{
|
bfd_byte * location = contents + rel->r_vaddr - input_section->vma;
|
bfd_byte * location = contents + rel->r_vaddr - input_section->vma;
|
bfd_vma x = bfd_get_32 (input_bfd, location);
|
bfd_vma x = bfd_get_32 (input_bfd, location);
|
|
|
bfd_put_32 (input_bfd, x | 1, location);
|
bfd_put_32 (input_bfd, x | 1, location);
|
}
|
}
|
}
|
}
|
|
|
switch (rstat)
|
switch (rstat)
|
{
|
{
|
default:
|
default:
|
abort ();
|
abort ();
|
case bfd_reloc_ok:
|
case bfd_reloc_ok:
|
break;
|
break;
|
case bfd_reloc_outofrange:
|
case bfd_reloc_outofrange:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: bad reloc address 0x%lx in section `%A'"),
|
(_("%B: bad reloc address 0x%lx in section `%A'"),
|
input_bfd, input_section, (unsigned long) rel->r_vaddr);
|
input_bfd, input_section, (unsigned long) rel->r_vaddr);
|
return FALSE;
|
return FALSE;
|
case bfd_reloc_overflow:
|
case bfd_reloc_overflow:
|
{
|
{
|
const char *name;
|
const char *name;
|
char buf[SYMNMLEN + 1];
|
char buf[SYMNMLEN + 1];
|
|
|
if (symndx == -1)
|
if (symndx == -1)
|
name = "*ABS*";
|
name = "*ABS*";
|
else if (h != NULL)
|
else if (h != NULL)
|
name = NULL;
|
name = NULL;
|
else
|
else
|
{
|
{
|
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
if (name == NULL)
|
if (name == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (! ((*info->callbacks->reloc_overflow)
|
if (! ((*info->callbacks->reloc_overflow)
|
(info, (h ? &h->root : NULL), name, howto->name,
|
(info, (h ? &h->root : NULL), name, howto->name,
|
(bfd_vma) 0, input_bfd, input_section,
|
(bfd_vma) 0, input_bfd, input_section,
|
rel->r_vaddr - input_section->vma)))
|
rel->r_vaddr - input_section->vma)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
#ifndef COFF_IMAGE_WITH_PE
|
#ifndef COFF_IMAGE_WITH_PE
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_arm_allocate_interworking_sections (struct bfd_link_info * info)
|
bfd_arm_allocate_interworking_sections (struct bfd_link_info * info)
|
{
|
{
|
asection * s;
|
asection * s;
|
bfd_byte * foo;
|
bfd_byte * foo;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
|
|
if (globals->arm_glue_size != 0)
|
if (globals->arm_glue_size != 0)
|
{
|
{
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
s = bfd_get_section_by_name
|
s = bfd_get_section_by_name
|
(globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
|
(globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
|
|
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
foo = bfd_alloc (globals->bfd_of_glue_owner, globals->arm_glue_size);
|
foo = bfd_alloc (globals->bfd_of_glue_owner, globals->arm_glue_size);
|
|
|
s->size = globals->arm_glue_size;
|
s->size = globals->arm_glue_size;
|
s->contents = foo;
|
s->contents = foo;
|
}
|
}
|
|
|
if (globals->thumb_glue_size != 0)
|
if (globals->thumb_glue_size != 0)
|
{
|
{
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
s = bfd_get_section_by_name
|
s = bfd_get_section_by_name
|
(globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
|
(globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
|
|
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
foo = bfd_alloc (globals->bfd_of_glue_owner, globals->thumb_glue_size);
|
foo = bfd_alloc (globals->bfd_of_glue_owner, globals->thumb_glue_size);
|
|
|
s->size = globals->thumb_glue_size;
|
s->size = globals->thumb_glue_size;
|
s->contents = foo;
|
s->contents = foo;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static void
|
static void
|
record_arm_to_thumb_glue (struct bfd_link_info * info,
|
record_arm_to_thumb_glue (struct bfd_link_info * info,
|
struct coff_link_hash_entry * h)
|
struct coff_link_hash_entry * h)
|
{
|
{
|
const char * name = h->root.root.string;
|
const char * name = h->root.root.string;
|
register asection * s;
|
register asection * s;
|
char * tmp_name;
|
char * tmp_name;
|
struct coff_link_hash_entry * myh;
|
struct coff_link_hash_entry * myh;
|
struct bfd_link_hash_entry * bh;
|
struct bfd_link_hash_entry * bh;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
bfd_vma val;
|
bfd_vma val;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
s = bfd_get_section_by_name
|
s = bfd_get_section_by_name
|
(globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
|
(globals->bfd_of_glue_owner, ARM2THUMB_GLUE_SECTION_NAME);
|
|
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
|
amt = strlen (name) + strlen (ARM2THUMB_GLUE_ENTRY_NAME) + 1;
|
tmp_name = bfd_malloc (amt);
|
tmp_name = bfd_malloc (amt);
|
|
|
BFD_ASSERT (tmp_name);
|
BFD_ASSERT (tmp_name);
|
|
|
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
|
sprintf (tmp_name, ARM2THUMB_GLUE_ENTRY_NAME, name);
|
|
|
myh = coff_link_hash_lookup
|
myh = coff_link_hash_lookup
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
|
|
if (myh != NULL)
|
if (myh != NULL)
|
{
|
{
|
free (tmp_name);
|
free (tmp_name);
|
/* We've already seen this guy. */
|
/* We've already seen this guy. */
|
return;
|
return;
|
}
|
}
|
|
|
/* The only trick here is using globals->arm_glue_size as the value. Even
|
/* The only trick here is using globals->arm_glue_size as the value. Even
|
though the section isn't allocated yet, this is where we will be putting
|
though the section isn't allocated yet, this is where we will be putting
|
it. */
|
it. */
|
bh = NULL;
|
bh = NULL;
|
val = globals->arm_glue_size + 1;
|
val = globals->arm_glue_size + 1;
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);
|
BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);
|
|
|
free (tmp_name);
|
free (tmp_name);
|
|
|
globals->arm_glue_size += ARM2THUMB_GLUE_SIZE;
|
globals->arm_glue_size += ARM2THUMB_GLUE_SIZE;
|
|
|
return;
|
return;
|
}
|
}
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
static void
|
static void
|
record_thumb_to_arm_glue (struct bfd_link_info * info,
|
record_thumb_to_arm_glue (struct bfd_link_info * info,
|
struct coff_link_hash_entry * h)
|
struct coff_link_hash_entry * h)
|
{
|
{
|
const char * name = h->root.root.string;
|
const char * name = h->root.root.string;
|
asection * s;
|
asection * s;
|
char * tmp_name;
|
char * tmp_name;
|
struct coff_link_hash_entry * myh;
|
struct coff_link_hash_entry * myh;
|
struct bfd_link_hash_entry * bh;
|
struct bfd_link_hash_entry * bh;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
bfd_vma val;
|
bfd_vma val;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
s = bfd_get_section_by_name
|
s = bfd_get_section_by_name
|
(globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
|
(globals->bfd_of_glue_owner, THUMB2ARM_GLUE_SECTION_NAME);
|
|
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
|
amt = strlen (name) + strlen (THUMB2ARM_GLUE_ENTRY_NAME) + 1;
|
tmp_name = bfd_malloc (amt);
|
tmp_name = bfd_malloc (amt);
|
|
|
BFD_ASSERT (tmp_name);
|
BFD_ASSERT (tmp_name);
|
|
|
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
|
sprintf (tmp_name, THUMB2ARM_GLUE_ENTRY_NAME, name);
|
|
|
myh = coff_link_hash_lookup
|
myh = coff_link_hash_lookup
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
(coff_hash_table (info), tmp_name, FALSE, FALSE, TRUE);
|
|
|
if (myh != NULL)
|
if (myh != NULL)
|
{
|
{
|
free (tmp_name);
|
free (tmp_name);
|
/* We've already seen this guy. */
|
/* We've already seen this guy. */
|
return;
|
return;
|
}
|
}
|
|
|
bh = NULL;
|
bh = NULL;
|
val = globals->thumb_glue_size + 1;
|
val = globals->thumb_glue_size + 1;
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);
|
BSF_GLOBAL, s, val, NULL, TRUE, FALSE, &bh);
|
|
|
/* If we mark it 'thumb', the disassembler will do a better job. */
|
/* If we mark it 'thumb', the disassembler will do a better job. */
|
myh = (struct coff_link_hash_entry *) bh;
|
myh = (struct coff_link_hash_entry *) bh;
|
myh->class = C_THUMBEXTFUNC;
|
myh->class = C_THUMBEXTFUNC;
|
|
|
free (tmp_name);
|
free (tmp_name);
|
|
|
/* Allocate another symbol to mark where we switch to arm mode. */
|
/* Allocate another symbol to mark where we switch to arm mode. */
|
|
|
#define CHANGE_TO_ARM "__%s_change_to_arm"
|
#define CHANGE_TO_ARM "__%s_change_to_arm"
|
#define BACK_FROM_ARM "__%s_back_from_arm"
|
#define BACK_FROM_ARM "__%s_back_from_arm"
|
|
|
amt = strlen (name) + strlen (CHANGE_TO_ARM) + 1;
|
amt = strlen (name) + strlen (CHANGE_TO_ARM) + 1;
|
tmp_name = bfd_malloc (amt);
|
tmp_name = bfd_malloc (amt);
|
|
|
BFD_ASSERT (tmp_name);
|
BFD_ASSERT (tmp_name);
|
|
|
sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);
|
sprintf (tmp_name, globals->support_old_code ? BACK_FROM_ARM : CHANGE_TO_ARM, name);
|
|
|
bh = NULL;
|
bh = NULL;
|
val = globals->thumb_glue_size + (globals->support_old_code ? 8 : 4);
|
val = globals->thumb_glue_size + (globals->support_old_code ? 8 : 4);
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
bfd_coff_link_add_one_symbol (info, globals->bfd_of_glue_owner, tmp_name,
|
BSF_LOCAL, s, val, NULL, TRUE, FALSE, &bh);
|
BSF_LOCAL, s, val, NULL, TRUE, FALSE, &bh);
|
|
|
free (tmp_name);
|
free (tmp_name);
|
|
|
globals->thumb_glue_size += THUMB2ARM_GLUE_SIZE;
|
globals->thumb_glue_size += THUMB2ARM_GLUE_SIZE;
|
|
|
return;
|
return;
|
}
|
}
|
#endif /* not ARM_WINCE */
|
#endif /* not ARM_WINCE */
|
|
|
/* Select a BFD to be used to hold the sections used by the glue code.
|
/* Select a BFD to be used to hold the sections used by the glue code.
|
This function is called from the linker scripts in ld/emultempl/
|
This function is called from the linker scripts in ld/emultempl/
|
{armcoff/pe}.em */
|
{armcoff/pe}.em */
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_arm_get_bfd_for_interworking (bfd * abfd,
|
bfd_arm_get_bfd_for_interworking (bfd * abfd,
|
struct bfd_link_info * info)
|
struct bfd_link_info * info)
|
{
|
{
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
flagword flags;
|
flagword flags;
|
asection * sec;
|
asection * sec;
|
|
|
/* If we are only performing a partial link do not bother
|
/* If we are only performing a partial link do not bother
|
getting a bfd to hold the glue. */
|
getting a bfd to hold the glue. */
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
|
|
if (globals->bfd_of_glue_owner != NULL)
|
if (globals->bfd_of_glue_owner != NULL)
|
return TRUE;
|
return TRUE;
|
|
|
sec = bfd_get_section_by_name (abfd, ARM2THUMB_GLUE_SECTION_NAME);
|
sec = bfd_get_section_by_name (abfd, ARM2THUMB_GLUE_SECTION_NAME);
|
|
|
if (sec == NULL)
|
if (sec == NULL)
|
{
|
{
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| SEC_CODE | SEC_READONLY);
|
| SEC_CODE | SEC_READONLY);
|
sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
|
sec = bfd_make_section_with_flags (abfd, ARM2THUMB_GLUE_SECTION_NAME,
|
flags);
|
flags);
|
if (sec == NULL
|
if (sec == NULL
|
|| ! bfd_set_section_alignment (abfd, sec, 2))
|
|| ! bfd_set_section_alignment (abfd, sec, 2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
sec = bfd_get_section_by_name (abfd, THUMB2ARM_GLUE_SECTION_NAME);
|
sec = bfd_get_section_by_name (abfd, THUMB2ARM_GLUE_SECTION_NAME);
|
|
|
if (sec == NULL)
|
if (sec == NULL)
|
{
|
{
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| SEC_CODE | SEC_READONLY);
|
| SEC_CODE | SEC_READONLY);
|
sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
|
sec = bfd_make_section_with_flags (abfd, THUMB2ARM_GLUE_SECTION_NAME,
|
flags);
|
flags);
|
|
|
if (sec == NULL
|
if (sec == NULL
|
|| ! bfd_set_section_alignment (abfd, sec, 2))
|
|| ! bfd_set_section_alignment (abfd, sec, 2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Save the bfd for later use. */
|
/* Save the bfd for later use. */
|
globals->bfd_of_glue_owner = abfd;
|
globals->bfd_of_glue_owner = abfd;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_arm_process_before_allocation (bfd * abfd,
|
bfd_arm_process_before_allocation (bfd * abfd,
|
struct bfd_link_info * info,
|
struct bfd_link_info * info,
|
int support_old_code)
|
int support_old_code)
|
{
|
{
|
asection * sec;
|
asection * sec;
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
|
|
/* If we are only performing a partial link do not bother
|
/* If we are only performing a partial link do not bother
|
to construct any glue. */
|
to construct any glue. */
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
/* Here we have a bfd that is to be included on the link. We have a hook
|
/* Here we have a bfd that is to be included on the link. We have a hook
|
to do reloc rummaging, before section sizes are nailed down. */
|
to do reloc rummaging, before section sizes are nailed down. */
|
_bfd_coff_get_external_symbols (abfd);
|
_bfd_coff_get_external_symbols (abfd);
|
|
|
globals = coff_arm_hash_table (info);
|
globals = coff_arm_hash_table (info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
BFD_ASSERT (globals->bfd_of_glue_owner != NULL);
|
|
|
globals->support_old_code = support_old_code;
|
globals->support_old_code = support_old_code;
|
|
|
/* Rummage around all the relocs and map the glue vectors. */
|
/* Rummage around all the relocs and map the glue vectors. */
|
sec = abfd->sections;
|
sec = abfd->sections;
|
|
|
if (sec == NULL)
|
if (sec == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
for (; sec != NULL; sec = sec->next)
|
for (; sec != NULL; sec = sec->next)
|
{
|
{
|
struct internal_reloc * i;
|
struct internal_reloc * i;
|
struct internal_reloc * rel;
|
struct internal_reloc * rel;
|
|
|
if (sec->reloc_count == 0)
|
if (sec->reloc_count == 0)
|
continue;
|
continue;
|
|
|
/* Load the relocs. */
|
/* Load the relocs. */
|
/* FIXME: there may be a storage leak here. */
|
/* FIXME: there may be a storage leak here. */
|
i = _bfd_coff_read_internal_relocs (abfd, sec, 1, 0, 0, 0);
|
i = _bfd_coff_read_internal_relocs (abfd, sec, 1, 0, 0, 0);
|
|
|
BFD_ASSERT (i != 0);
|
BFD_ASSERT (i != 0);
|
|
|
for (rel = i; rel < i + sec->reloc_count; ++rel)
|
for (rel = i; rel < i + sec->reloc_count; ++rel)
|
{
|
{
|
unsigned short r_type = rel->r_type;
|
unsigned short r_type = rel->r_type;
|
long symndx;
|
long symndx;
|
struct coff_link_hash_entry * h;
|
struct coff_link_hash_entry * h;
|
|
|
symndx = rel->r_symndx;
|
symndx = rel->r_symndx;
|
|
|
/* If the relocation is not against a symbol it cannot concern us. */
|
/* If the relocation is not against a symbol it cannot concern us. */
|
if (symndx == -1)
|
if (symndx == -1)
|
continue;
|
continue;
|
|
|
/* If the index is outside of the range of our table, something has gone wrong. */
|
/* If the index is outside of the range of our table, something has gone wrong. */
|
if (symndx >= obj_conv_table_size (abfd))
|
if (symndx >= obj_conv_table_size (abfd))
|
{
|
{
|
_bfd_error_handler (_("%B: illegal symbol index in reloc: %d"),
|
_bfd_error_handler (_("%B: illegal symbol index in reloc: %d"),
|
abfd, symndx);
|
abfd, symndx);
|
continue;
|
continue;
|
}
|
}
|
|
|
h = obj_coff_sym_hashes (abfd)[symndx];
|
h = obj_coff_sym_hashes (abfd)[symndx];
|
|
|
/* If the relocation is against a static symbol it must be within
|
/* If the relocation is against a static symbol it must be within
|
the current section and so cannot be a cross ARM/Thumb relocation. */
|
the current section and so cannot be a cross ARM/Thumb relocation. */
|
if (h == NULL)
|
if (h == NULL)
|
continue;
|
continue;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case ARM_26:
|
case ARM_26:
|
/* This one is a call from arm code. We need to look up
|
/* This one is a call from arm code. We need to look up
|
the target of the call. If it is a thumb target, we
|
the target of the call. If it is a thumb target, we
|
insert glue. */
|
insert glue. */
|
|
|
if (h->class == C_THUMBEXTFUNC)
|
if (h->class == C_THUMBEXTFUNC)
|
record_arm_to_thumb_glue (info, h);
|
record_arm_to_thumb_glue (info, h);
|
break;
|
break;
|
|
|
#ifndef ARM_WINCE
|
#ifndef ARM_WINCE
|
case ARM_THUMB23:
|
case ARM_THUMB23:
|
/* This one is a call from thumb code. We used to look
|
/* This one is a call from thumb code. We used to look
|
for ARM_THUMB9 and ARM_THUMB12 as well. We need to look
|
for ARM_THUMB9 and ARM_THUMB12 as well. We need to look
|
up the target of the call. If it is an arm target, we
|
up the target of the call. If it is an arm target, we
|
insert glue. If the symbol does not exist it will be
|
insert glue. If the symbol does not exist it will be
|
given a class of C_EXT and so we will generate a stub
|
given a class of C_EXT and so we will generate a stub
|
for it. This is not really a problem, since the link
|
for it. This is not really a problem, since the link
|
is doomed anyway. */
|
is doomed anyway. */
|
|
|
switch (h->class)
|
switch (h->class)
|
{
|
{
|
case C_EXT:
|
case C_EXT:
|
case C_STAT:
|
case C_STAT:
|
case C_LABEL:
|
case C_LABEL:
|
record_thumb_to_arm_glue (info, h);
|
record_thumb_to_arm_glue (info, h);
|
break;
|
break;
|
default:
|
default:
|
;
|
;
|
}
|
}
|
break;
|
break;
|
#endif
|
#endif
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
#endif /* ! defined (COFF_IMAGE_WITH_PE) */
|
#endif /* ! defined (COFF_IMAGE_WITH_PE) */
|
|
|
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
|
#define coff_bfd_reloc_type_lookup coff_arm_reloc_type_lookup
|
#define coff_bfd_reloc_name_lookup coff_arm_reloc_name_lookup
|
#define coff_bfd_reloc_name_lookup coff_arm_reloc_name_lookup
|
#define coff_relocate_section coff_arm_relocate_section
|
#define coff_relocate_section coff_arm_relocate_section
|
#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
|
#define coff_bfd_is_local_label_name coff_arm_is_local_label_name
|
#define coff_adjust_symndx coff_arm_adjust_symndx
|
#define coff_adjust_symndx coff_arm_adjust_symndx
|
#define coff_link_output_has_begun coff_arm_link_output_has_begun
|
#define coff_link_output_has_begun coff_arm_link_output_has_begun
|
#define coff_final_link_postscript coff_arm_final_link_postscript
|
#define coff_final_link_postscript coff_arm_final_link_postscript
|
#define coff_bfd_merge_private_bfd_data coff_arm_merge_private_bfd_data
|
#define coff_bfd_merge_private_bfd_data coff_arm_merge_private_bfd_data
|
#define coff_bfd_print_private_bfd_data coff_arm_print_private_bfd_data
|
#define coff_bfd_print_private_bfd_data coff_arm_print_private_bfd_data
|
#define coff_bfd_set_private_flags _bfd_coff_arm_set_private_flags
|
#define coff_bfd_set_private_flags _bfd_coff_arm_set_private_flags
|
#define coff_bfd_copy_private_bfd_data coff_arm_copy_private_bfd_data
|
#define coff_bfd_copy_private_bfd_data coff_arm_copy_private_bfd_data
|
#define coff_bfd_link_hash_table_create coff_arm_link_hash_table_create
|
#define coff_bfd_link_hash_table_create coff_arm_link_hash_table_create
|
|
|
/* When doing a relocatable link, we want to convert ARM_26 relocs
|
/* When doing a relocatable link, we want to convert ARM_26 relocs
|
into ARM_26D relocs. */
|
into ARM_26D relocs. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_adjust_symndx (bfd *obfd ATTRIBUTE_UNUSED,
|
coff_arm_adjust_symndx (bfd *obfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
bfd *ibfd,
|
bfd *ibfd,
|
asection *sec,
|
asection *sec,
|
struct internal_reloc *irel,
|
struct internal_reloc *irel,
|
bfd_boolean *adjustedp)
|
bfd_boolean *adjustedp)
|
{
|
{
|
if (irel->r_type == ARM_26)
|
if (irel->r_type == ARM_26)
|
{
|
{
|
struct coff_link_hash_entry *h;
|
struct coff_link_hash_entry *h;
|
|
|
h = obj_coff_sym_hashes (ibfd)[irel->r_symndx];
|
h = obj_coff_sym_hashes (ibfd)[irel->r_symndx];
|
if (h != NULL
|
if (h != NULL
|
&& (h->root.type == bfd_link_hash_defined
|
&& (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
&& h->root.u.def.section->output_section == sec->output_section)
|
&& h->root.u.def.section->output_section == sec->output_section)
|
irel->r_type = ARM_26D;
|
irel->r_type = ARM_26D;
|
}
|
}
|
*adjustedp = FALSE;
|
*adjustedp = FALSE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Called when merging the private data areas of two BFDs.
|
/* Called when merging the private data areas of two BFDs.
|
This is important as it allows us to detect if we are
|
This is important as it allows us to detect if we are
|
attempting to merge binaries compiled for different ARM
|
attempting to merge binaries compiled for different ARM
|
targets, eg different CPUs or different APCS's. */
|
targets, eg different CPUs or different APCS's. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
|
coff_arm_merge_private_bfd_data (bfd * ibfd, bfd * obfd)
|
{
|
{
|
BFD_ASSERT (ibfd != NULL && obfd != NULL);
|
BFD_ASSERT (ibfd != NULL && obfd != NULL);
|
|
|
if (ibfd == obfd)
|
if (ibfd == obfd)
|
return TRUE;
|
return TRUE;
|
|
|
/* If the two formats are different we cannot merge anything.
|
/* If the two formats are different we cannot merge anything.
|
This is not an error, since it is permissable to change the
|
This is not an error, since it is permissable to change the
|
input and output formats. */
|
input and output formats. */
|
if ( ibfd->xvec->flavour != bfd_target_coff_flavour
|
if ( ibfd->xvec->flavour != bfd_target_coff_flavour
|
|| obfd->xvec->flavour != bfd_target_coff_flavour)
|
|| obfd->xvec->flavour != bfd_target_coff_flavour)
|
return TRUE;
|
return TRUE;
|
|
|
/* Determine what should happen if the input ARM architecture
|
/* Determine what should happen if the input ARM architecture
|
does not match the output ARM architecture. */
|
does not match the output ARM architecture. */
|
if (! bfd_arm_merge_machines (ibfd, obfd))
|
if (! bfd_arm_merge_machines (ibfd, obfd))
|
return FALSE;
|
return FALSE;
|
|
|
/* Verify that the APCS is the same for the two BFDs. */
|
/* Verify that the APCS is the same for the two BFDs. */
|
if (APCS_SET (ibfd))
|
if (APCS_SET (ibfd))
|
{
|
{
|
if (APCS_SET (obfd))
|
if (APCS_SET (obfd))
|
{
|
{
|
/* If the src and dest have different APCS flag bits set, fail. */
|
/* If the src and dest have different APCS flag bits set, fail. */
|
if (APCS_26_FLAG (obfd) != APCS_26_FLAG (ibfd))
|
if (APCS_26_FLAG (obfd) != APCS_26_FLAG (ibfd))
|
{
|
{
|
_bfd_error_handler
|
_bfd_error_handler
|
/* xgettext: c-format */
|
/* 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,
|
ibfd, obfd,
|
APCS_26_FLAG (ibfd) ? 26 : 32,
|
APCS_26_FLAG (ibfd) ? 26 : 32,
|
APCS_26_FLAG (obfd) ? 26 : 32
|
APCS_26_FLAG (obfd) ? 26 : 32
|
);
|
);
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (APCS_FLOAT_FLAG (obfd) != APCS_FLOAT_FLAG (ibfd))
|
if (APCS_FLOAT_FLAG (obfd) != APCS_FLOAT_FLAG (ibfd))
|
{
|
{
|
const char *msg;
|
const char *msg;
|
|
|
if (APCS_FLOAT_FLAG (ibfd))
|
if (APCS_FLOAT_FLAG (ibfd))
|
/* xgettext: c-format */
|
/* 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
|
else
|
/* xgettext: c-format */
|
/* 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);
|
_bfd_error_handler (msg, ibfd, obfd);
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (PIC_FLAG (obfd) != PIC_FLAG (ibfd))
|
if (PIC_FLAG (obfd) != PIC_FLAG (ibfd))
|
{
|
{
|
const char * msg;
|
const char * msg;
|
|
|
if (PIC_FLAG (ibfd))
|
if (PIC_FLAG (ibfd))
|
/* xgettext: c-format */
|
/* 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
|
else
|
/* xgettext: c-format */
|
/* 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_error_handler (msg, ibfd, obfd);
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
SET_APCS_FLAGS (obfd, APCS_26_FLAG (ibfd) | APCS_FLOAT_FLAG (ibfd) | PIC_FLAG (ibfd));
|
SET_APCS_FLAGS (obfd, APCS_26_FLAG (ibfd) | APCS_FLOAT_FLAG (ibfd) | PIC_FLAG (ibfd));
|
|
|
/* Set up the arch and fields as well as these are probably wrong. */
|
/* Set up the arch and fields as well as these are probably wrong. */
|
bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
|
bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
|
}
|
}
|
}
|
}
|
|
|
/* Check the interworking support. */
|
/* Check the interworking support. */
|
if (INTERWORK_SET (ibfd))
|
if (INTERWORK_SET (ibfd))
|
{
|
{
|
if (INTERWORK_SET (obfd))
|
if (INTERWORK_SET (obfd))
|
{
|
{
|
/* If the src and dest differ in their interworking issue a warning. */
|
/* If the src and dest differ in their interworking issue a warning. */
|
if (INTERWORK_FLAG (obfd) != INTERWORK_FLAG (ibfd))
|
if (INTERWORK_FLAG (obfd) != INTERWORK_FLAG (ibfd))
|
{
|
{
|
const char * msg;
|
const char * msg;
|
|
|
if (INTERWORK_FLAG (ibfd))
|
if (INTERWORK_FLAG (ibfd))
|
/* xgettext: c-format */
|
/* xgettext: c-format */
|
msg = _("Warning: %B supports interworking, whereas %B does not");
|
msg = _("Warning: %B supports interworking, whereas %B does not");
|
else
|
else
|
/* xgettext: c-format */
|
/* xgettext: c-format */
|
msg = _("Warning: %B does not support interworking, whereas %B does");
|
msg = _("Warning: %B does not support interworking, whereas %B does");
|
|
|
_bfd_error_handler (msg, ibfd, obfd);
|
_bfd_error_handler (msg, ibfd, obfd);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
SET_INTERWORK_FLAG (obfd, INTERWORK_FLAG (ibfd));
|
SET_INTERWORK_FLAG (obfd, INTERWORK_FLAG (ibfd));
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Display the flags field. */
|
/* Display the flags field. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_print_private_bfd_data (bfd * abfd, void * ptr)
|
coff_arm_print_private_bfd_data (bfd * abfd, void * ptr)
|
{
|
{
|
FILE * file = (FILE *) ptr;
|
FILE * file = (FILE *) ptr;
|
|
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
|
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
fprintf (file, _("private flags = %x:"), coff_data (abfd)->flags);
|
fprintf (file, _("private flags = %x:"), coff_data (abfd)->flags);
|
|
|
if (APCS_SET (abfd))
|
if (APCS_SET (abfd))
|
{
|
{
|
/* xgettext: APCS is ARM Procedure Call Standard, it should not be translated. */
|
/* xgettext: APCS is ARM Procedure Call Standard, it should not be translated. */
|
fprintf (file, " [APCS-%d]", APCS_26_FLAG (abfd) ? 26 : 32);
|
fprintf (file, " [APCS-%d]", APCS_26_FLAG (abfd) ? 26 : 32);
|
|
|
if (APCS_FLOAT_FLAG (abfd))
|
if (APCS_FLOAT_FLAG (abfd))
|
fprintf (file, _(" [floats passed in float registers]"));
|
fprintf (file, _(" [floats passed in float registers]"));
|
else
|
else
|
fprintf (file, _(" [floats passed in integer registers]"));
|
fprintf (file, _(" [floats passed in integer registers]"));
|
|
|
if (PIC_FLAG (abfd))
|
if (PIC_FLAG (abfd))
|
fprintf (file, _(" [position independent]"));
|
fprintf (file, _(" [position independent]"));
|
else
|
else
|
fprintf (file, _(" [absolute position]"));
|
fprintf (file, _(" [absolute position]"));
|
}
|
}
|
|
|
if (! INTERWORK_SET (abfd))
|
if (! INTERWORK_SET (abfd))
|
fprintf (file, _(" [interworking flag not initialised]"));
|
fprintf (file, _(" [interworking flag not initialised]"));
|
else if (INTERWORK_FLAG (abfd))
|
else if (INTERWORK_FLAG (abfd))
|
fprintf (file, _(" [interworking supported]"));
|
fprintf (file, _(" [interworking supported]"));
|
else
|
else
|
fprintf (file, _(" [interworking not supported]"));
|
fprintf (file, _(" [interworking not supported]"));
|
|
|
fputc ('\n', file);
|
fputc ('\n', file);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Copies the given flags into the coff_tdata.flags field.
|
/* Copies the given flags into the coff_tdata.flags field.
|
Typically these flags come from the f_flags[] field of
|
Typically these flags come from the f_flags[] field of
|
the COFF filehdr structure, which contains important,
|
the COFF filehdr structure, which contains important,
|
target specific information.
|
target specific information.
|
Note: Although this function is static, it is explicitly
|
Note: Although this function is static, it is explicitly
|
called from both coffcode.h and peicode.h. */
|
called from both coffcode.h and peicode.h. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
_bfd_coff_arm_set_private_flags (bfd * abfd, flagword flags)
|
_bfd_coff_arm_set_private_flags (bfd * abfd, flagword flags)
|
{
|
{
|
flagword flag;
|
flagword flag;
|
|
|
BFD_ASSERT (abfd != NULL);
|
BFD_ASSERT (abfd != NULL);
|
|
|
flag = (flags & F_APCS26) ? F_APCS_26 : 0;
|
flag = (flags & F_APCS26) ? F_APCS_26 : 0;
|
|
|
/* Make sure that the APCS field has not been initialised to the opposite
|
/* Make sure that the APCS field has not been initialised to the opposite
|
value. */
|
value. */
|
if (APCS_SET (abfd)
|
if (APCS_SET (abfd)
|
&& ( (APCS_26_FLAG (abfd) != flag)
|
&& ( (APCS_26_FLAG (abfd) != flag)
|
|| (APCS_FLOAT_FLAG (abfd) != (flags & F_APCS_FLOAT))
|
|| (APCS_FLOAT_FLAG (abfd) != (flags & F_APCS_FLOAT))
|
|| (PIC_FLAG (abfd) != (flags & F_PIC))
|
|| (PIC_FLAG (abfd) != (flags & F_PIC))
|
))
|
))
|
return FALSE;
|
return FALSE;
|
|
|
flag |= (flags & (F_APCS_FLOAT | F_PIC));
|
flag |= (flags & (F_APCS_FLOAT | F_PIC));
|
|
|
SET_APCS_FLAGS (abfd, flag);
|
SET_APCS_FLAGS (abfd, flag);
|
|
|
flag = (flags & F_INTERWORK);
|
flag = (flags & F_INTERWORK);
|
|
|
/* If the BFD has already had its interworking flag set, but it
|
/* If the BFD has already had its interworking flag set, but it
|
is different from the value that we have been asked to set,
|
is different from the value that we have been asked to set,
|
then assume that that merged code will not support interworking
|
then assume that that merged code will not support interworking
|
and set the flag accordingly. */
|
and set the flag accordingly. */
|
if (INTERWORK_SET (abfd) && (INTERWORK_FLAG (abfd) != flag))
|
if (INTERWORK_SET (abfd) && (INTERWORK_FLAG (abfd) != flag))
|
{
|
{
|
if (flag)
|
if (flag)
|
/* xgettext: c-format */
|
/* xgettext: c-format */
|
_bfd_error_handler (_("Warning: Not setting interworking flag of %B since it has already been specified as non-interworking"),
|
_bfd_error_handler (_("Warning: Not setting interworking flag of %B since it has already been specified as non-interworking"),
|
abfd);
|
abfd);
|
else
|
else
|
/* xgettext: c-format */
|
/* xgettext: c-format */
|
_bfd_error_handler (_("Warning: Clearing the interworking flag of %B due to outside request"),
|
_bfd_error_handler (_("Warning: Clearing the interworking flag of %B due to outside request"),
|
abfd);
|
abfd);
|
flag = 0;
|
flag = 0;
|
}
|
}
|
|
|
SET_INTERWORK_FLAG (abfd, flag);
|
SET_INTERWORK_FLAG (abfd, flag);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Copy the important parts of the target specific data
|
/* Copy the important parts of the target specific data
|
from one instance of a BFD to another. */
|
from one instance of a BFD to another. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_copy_private_bfd_data (bfd * src, bfd * dest)
|
coff_arm_copy_private_bfd_data (bfd * src, bfd * dest)
|
{
|
{
|
BFD_ASSERT (src != NULL && dest != NULL);
|
BFD_ASSERT (src != NULL && dest != NULL);
|
|
|
if (src == dest)
|
if (src == dest)
|
return TRUE;
|
return TRUE;
|
|
|
/* If the destination is not in the same format as the source, do not do
|
/* If the destination is not in the same format as the source, do not do
|
the copy. */
|
the copy. */
|
if (src->xvec != dest->xvec)
|
if (src->xvec != dest->xvec)
|
return TRUE;
|
return TRUE;
|
|
|
/* Copy the flags field. */
|
/* Copy the flags field. */
|
if (APCS_SET (src))
|
if (APCS_SET (src))
|
{
|
{
|
if (APCS_SET (dest))
|
if (APCS_SET (dest))
|
{
|
{
|
/* If the src and dest have different APCS flag bits set, fail. */
|
/* If the src and dest have different APCS flag bits set, fail. */
|
if (APCS_26_FLAG (dest) != APCS_26_FLAG (src))
|
if (APCS_26_FLAG (dest) != APCS_26_FLAG (src))
|
return FALSE;
|
return FALSE;
|
|
|
if (APCS_FLOAT_FLAG (dest) != APCS_FLOAT_FLAG (src))
|
if (APCS_FLOAT_FLAG (dest) != APCS_FLOAT_FLAG (src))
|
return FALSE;
|
return FALSE;
|
|
|
if (PIC_FLAG (dest) != PIC_FLAG (src))
|
if (PIC_FLAG (dest) != PIC_FLAG (src))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
SET_APCS_FLAGS (dest, APCS_26_FLAG (src) | APCS_FLOAT_FLAG (src)
|
SET_APCS_FLAGS (dest, APCS_26_FLAG (src) | APCS_FLOAT_FLAG (src)
|
| PIC_FLAG (src));
|
| PIC_FLAG (src));
|
}
|
}
|
|
|
if (INTERWORK_SET (src))
|
if (INTERWORK_SET (src))
|
{
|
{
|
if (INTERWORK_SET (dest))
|
if (INTERWORK_SET (dest))
|
{
|
{
|
/* If the src and dest have different interworking flags then turn
|
/* If the src and dest have different interworking flags then turn
|
off the interworking bit. */
|
off the interworking bit. */
|
if (INTERWORK_FLAG (dest) != INTERWORK_FLAG (src))
|
if (INTERWORK_FLAG (dest) != INTERWORK_FLAG (src))
|
{
|
{
|
if (INTERWORK_FLAG (dest))
|
if (INTERWORK_FLAG (dest))
|
{
|
{
|
/* xgettext:c-format */
|
/* xgettext:c-format */
|
_bfd_error_handler (("\
|
_bfd_error_handler (("\
|
Warning: Clearing the interworking flag of %B because non-interworking code in %B has been linked with it"),
|
Warning: Clearing the interworking flag of %B because non-interworking code in %B has been linked with it"),
|
dest, src);
|
dest, src);
|
}
|
}
|
|
|
SET_INTERWORK_FLAG (dest, 0);
|
SET_INTERWORK_FLAG (dest, 0);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
SET_INTERWORK_FLAG (dest, INTERWORK_FLAG (src));
|
SET_INTERWORK_FLAG (dest, INTERWORK_FLAG (src));
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
|
/* Note: the definitions here of LOCAL_LABEL_PREFIX and USER_LABEL_PREIFX
|
*must* match the definitions in gcc/config/arm/{coff|semi|aout}.h. */
|
*must* match the definitions in gcc/config/arm/{coff|semi|aout}.h. */
|
#ifndef LOCAL_LABEL_PREFIX
|
#ifndef LOCAL_LABEL_PREFIX
|
#define LOCAL_LABEL_PREFIX ""
|
#define LOCAL_LABEL_PREFIX ""
|
#endif
|
#endif
|
#ifndef USER_LABEL_PREFIX
|
#ifndef USER_LABEL_PREFIX
|
#define USER_LABEL_PREFIX "_"
|
#define USER_LABEL_PREFIX "_"
|
#endif
|
#endif
|
|
|
/* Like _bfd_coff_is_local_label_name, but
|
/* Like _bfd_coff_is_local_label_name, but
|
a) test against USER_LABEL_PREFIX, to avoid stripping labels known to be
|
a) test against USER_LABEL_PREFIX, to avoid stripping labels known to be
|
non-local.
|
non-local.
|
b) Allow other prefixes than ".", e.g. an empty prefix would cause all
|
b) Allow other prefixes than ".", e.g. an empty prefix would cause all
|
labels of the form Lxxx to be stripped. */
|
labels of the form Lxxx to be stripped. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_is_local_label_name (bfd * abfd ATTRIBUTE_UNUSED,
|
coff_arm_is_local_label_name (bfd * abfd ATTRIBUTE_UNUSED,
|
const char * name)
|
const char * name)
|
{
|
{
|
#ifdef USER_LABEL_PREFIX
|
#ifdef USER_LABEL_PREFIX
|
if (USER_LABEL_PREFIX[0] != 0)
|
if (USER_LABEL_PREFIX[0] != 0)
|
{
|
{
|
size_t len = strlen (USER_LABEL_PREFIX);
|
size_t len = strlen (USER_LABEL_PREFIX);
|
|
|
if (strncmp (name, USER_LABEL_PREFIX, len) == 0)
|
if (strncmp (name, USER_LABEL_PREFIX, len) == 0)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
#endif
|
#endif
|
|
|
#ifdef LOCAL_LABEL_PREFIX
|
#ifdef LOCAL_LABEL_PREFIX
|
/* If there is a prefix for local labels then look for this.
|
/* If there is a prefix for local labels then look for this.
|
If the prefix exists, but it is empty, then ignore the test. */
|
If the prefix exists, but it is empty, then ignore the test. */
|
|
|
if (LOCAL_LABEL_PREFIX[0] != 0)
|
if (LOCAL_LABEL_PREFIX[0] != 0)
|
{
|
{
|
size_t len = strlen (LOCAL_LABEL_PREFIX);
|
size_t len = strlen (LOCAL_LABEL_PREFIX);
|
|
|
if (strncmp (name, LOCAL_LABEL_PREFIX, len) != 0)
|
if (strncmp (name, LOCAL_LABEL_PREFIX, len) != 0)
|
return FALSE;
|
return FALSE;
|
|
|
/* Perform the checks below for the rest of the name. */
|
/* Perform the checks below for the rest of the name. */
|
name += len;
|
name += len;
|
}
|
}
|
#endif
|
#endif
|
|
|
return name[0] == 'L';
|
return name[0] == 'L';
|
}
|
}
|
|
|
/* This piece of machinery exists only to guarantee that the bfd that holds
|
/* This piece of machinery exists only to guarantee that the bfd that holds
|
the glue section is written last.
|
the glue section is written last.
|
|
|
This does depend on bfd_make_section attaching a new section to the
|
This does depend on bfd_make_section attaching a new section to the
|
end of the section list for the bfd. */
|
end of the section list for the bfd. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_link_output_has_begun (bfd * sub, struct coff_final_link_info * info)
|
coff_arm_link_output_has_begun (bfd * sub, struct coff_final_link_info * info)
|
{
|
{
|
return (sub->output_has_begun
|
return (sub->output_has_begun
|
|| sub == coff_arm_hash_table (info->info)->bfd_of_glue_owner);
|
|| sub == coff_arm_hash_table (info->info)->bfd_of_glue_owner);
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
coff_arm_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED,
|
coff_arm_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED,
|
struct coff_final_link_info * pfinfo)
|
struct coff_final_link_info * pfinfo)
|
{
|
{
|
struct coff_arm_link_hash_table * globals;
|
struct coff_arm_link_hash_table * globals;
|
|
|
globals = coff_arm_hash_table (pfinfo->info);
|
globals = coff_arm_hash_table (pfinfo->info);
|
|
|
BFD_ASSERT (globals != NULL);
|
BFD_ASSERT (globals != NULL);
|
|
|
if (globals->bfd_of_glue_owner != NULL)
|
if (globals->bfd_of_glue_owner != NULL)
|
{
|
{
|
if (! _bfd_coff_link_input_bfd (pfinfo, globals->bfd_of_glue_owner))
|
if (! _bfd_coff_link_input_bfd (pfinfo, globals->bfd_of_glue_owner))
|
return FALSE;
|
return FALSE;
|
|
|
globals->bfd_of_glue_owner->output_has_begun = TRUE;
|
globals->bfd_of_glue_owner->output_has_begun = TRUE;
|
}
|
}
|
|
|
return bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
|
return bfd_arm_update_notes (abfd, ARM_NOTE_SECTION);
|
}
|
}
|
|
|
#include "coffcode.h"
|
#include "coffcode.h"
|
|
|
#ifndef TARGET_LITTLE_SYM
|
#ifndef TARGET_LITTLE_SYM
|
#define TARGET_LITTLE_SYM armcoff_little_vec
|
#define TARGET_LITTLE_SYM armcoff_little_vec
|
#endif
|
#endif
|
#ifndef TARGET_LITTLE_NAME
|
#ifndef TARGET_LITTLE_NAME
|
#define TARGET_LITTLE_NAME "coff-arm-little"
|
#define TARGET_LITTLE_NAME "coff-arm-little"
|
#endif
|
#endif
|
#ifndef TARGET_BIG_SYM
|
#ifndef TARGET_BIG_SYM
|
#define TARGET_BIG_SYM armcoff_big_vec
|
#define TARGET_BIG_SYM armcoff_big_vec
|
#endif
|
#endif
|
#ifndef TARGET_BIG_NAME
|
#ifndef TARGET_BIG_NAME
|
#define TARGET_BIG_NAME "coff-arm-big"
|
#define TARGET_BIG_NAME "coff-arm-big"
|
#endif
|
#endif
|
|
|
#ifndef TARGET_UNDERSCORE
|
#ifndef TARGET_UNDERSCORE
|
#define TARGET_UNDERSCORE 0
|
#define TARGET_UNDERSCORE 0
|
#endif
|
#endif
|
|
|
#ifndef EXTRA_S_FLAGS
|
#ifndef EXTRA_S_FLAGS
|
#ifdef COFF_WITH_PE
|
#ifdef COFF_WITH_PE
|
#define EXTRA_S_FLAGS (SEC_CODE | SEC_LINK_ONCE | SEC_LINK_DUPLICATES)
|
#define EXTRA_S_FLAGS (SEC_CODE | SEC_LINK_ONCE | SEC_LINK_DUPLICATES)
|
#else
|
#else
|
#define EXTRA_S_FLAGS SEC_CODE
|
#define EXTRA_S_FLAGS SEC_CODE
|
#endif
|
#endif
|
#endif
|
#endif
|
|
|
/* Forward declaration for use initialising alternative_target field. */
|
/* Forward declaration for use initialising alternative_target field. */
|
extern const bfd_target TARGET_BIG_SYM ;
|
extern const bfd_target TARGET_BIG_SYM ;
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/* Target vectors. */
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/* Target vectors. */
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CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_BIG_SYM, COFF_SWAP_TABLE)
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CREATE_LITTLE_COFF_TARGET_VEC (TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_BIG_SYM, COFF_SWAP_TABLE)
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CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_LITTLE_SYM, COFF_SWAP_TABLE)
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CREATE_BIG_COFF_TARGET_VEC (TARGET_BIG_SYM, TARGET_BIG_NAME, D_PAGED, EXTRA_S_FLAGS, TARGET_UNDERSCORE, & TARGET_LITTLE_SYM, COFF_SWAP_TABLE)
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