/* BFD back-end for National Semiconductor's CRX ELF
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/* BFD back-end for National Semiconductor's CRX ELF
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Copyright 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
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Copyright 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
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Written by Tomer Levi, NSC, Israel.
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Written by Tomer Levi, NSC, Israel.
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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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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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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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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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#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 "bfdlink.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf-bfd.h"
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#include "elf/crx.h"
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#include "elf/crx.h"
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static reloc_howto_type *elf_crx_reloc_type_lookup
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static reloc_howto_type *elf_crx_reloc_type_lookup
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(bfd *, bfd_reloc_code_real_type);
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(bfd *, bfd_reloc_code_real_type);
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static void elf_crx_info_to_howto
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static void elf_crx_info_to_howto
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(bfd *, arelent *, Elf_Internal_Rela *);
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(bfd *, arelent *, Elf_Internal_Rela *);
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static bfd_boolean elf32_crx_relax_delete_bytes
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static bfd_boolean elf32_crx_relax_delete_bytes
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(struct bfd_link_info *, bfd *, asection *, bfd_vma, int);
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(struct bfd_link_info *, bfd *, asection *, bfd_vma, int);
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static bfd_reloc_status_type crx_elf_final_link_relocate
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static bfd_reloc_status_type crx_elf_final_link_relocate
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(reloc_howto_type *, bfd *, bfd *, asection *,
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(reloc_howto_type *, bfd *, bfd *, asection *,
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bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
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bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
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struct bfd_link_info *, asection *, int);
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struct bfd_link_info *, asection *, int);
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static bfd_boolean elf32_crx_relocate_section
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static bfd_boolean elf32_crx_relocate_section
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
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Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
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static bfd_boolean elf32_crx_relax_section
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static bfd_boolean elf32_crx_relax_section
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(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
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(bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
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static bfd_byte * elf32_crx_get_relocated_section_contents
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static bfd_byte * elf32_crx_get_relocated_section_contents
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(bfd *, struct bfd_link_info *, struct bfd_link_order *,
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(bfd *, struct bfd_link_info *, struct bfd_link_order *,
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bfd_byte *, bfd_boolean, asymbol **);
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bfd_byte *, bfd_boolean, asymbol **);
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/* crx_reloc_map array maps BFD relocation enum into a CRGAS relocation type. */
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/* crx_reloc_map array maps BFD relocation enum into a CRGAS relocation type. */
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struct crx_reloc_map
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struct crx_reloc_map
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{
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{
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bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */
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bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */
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unsigned short crx_reloc_type; /* CRX relocation type. */
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unsigned short crx_reloc_type; /* CRX relocation type. */
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};
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};
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static const struct crx_reloc_map crx_reloc_map[R_CRX_MAX] =
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static const struct crx_reloc_map crx_reloc_map[R_CRX_MAX] =
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{
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{
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{BFD_RELOC_NONE, R_CRX_NONE},
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{BFD_RELOC_NONE, R_CRX_NONE},
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{BFD_RELOC_CRX_REL4, R_CRX_REL4},
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{BFD_RELOC_CRX_REL4, R_CRX_REL4},
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{BFD_RELOC_CRX_REL8, R_CRX_REL8},
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{BFD_RELOC_CRX_REL8, R_CRX_REL8},
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{BFD_RELOC_CRX_REL8_CMP, R_CRX_REL8_CMP},
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{BFD_RELOC_CRX_REL8_CMP, R_CRX_REL8_CMP},
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{BFD_RELOC_CRX_REL16, R_CRX_REL16},
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{BFD_RELOC_CRX_REL16, R_CRX_REL16},
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{BFD_RELOC_CRX_REL24, R_CRX_REL24},
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{BFD_RELOC_CRX_REL24, R_CRX_REL24},
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{BFD_RELOC_CRX_REL32, R_CRX_REL32},
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{BFD_RELOC_CRX_REL32, R_CRX_REL32},
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{BFD_RELOC_CRX_REGREL12, R_CRX_REGREL12},
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{BFD_RELOC_CRX_REGREL12, R_CRX_REGREL12},
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{BFD_RELOC_CRX_REGREL22, R_CRX_REGREL22},
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{BFD_RELOC_CRX_REGREL22, R_CRX_REGREL22},
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{BFD_RELOC_CRX_REGREL28, R_CRX_REGREL28},
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{BFD_RELOC_CRX_REGREL28, R_CRX_REGREL28},
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{BFD_RELOC_CRX_REGREL32, R_CRX_REGREL32},
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{BFD_RELOC_CRX_REGREL32, R_CRX_REGREL32},
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{BFD_RELOC_CRX_ABS16, R_CRX_ABS16},
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{BFD_RELOC_CRX_ABS16, R_CRX_ABS16},
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{BFD_RELOC_CRX_ABS32, R_CRX_ABS32},
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{BFD_RELOC_CRX_ABS32, R_CRX_ABS32},
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{BFD_RELOC_CRX_NUM8, R_CRX_NUM8},
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{BFD_RELOC_CRX_NUM8, R_CRX_NUM8},
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{BFD_RELOC_CRX_NUM16, R_CRX_NUM16},
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{BFD_RELOC_CRX_NUM16, R_CRX_NUM16},
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{BFD_RELOC_CRX_NUM32, R_CRX_NUM32},
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{BFD_RELOC_CRX_NUM32, R_CRX_NUM32},
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{BFD_RELOC_CRX_IMM16, R_CRX_IMM16},
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{BFD_RELOC_CRX_IMM16, R_CRX_IMM16},
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{BFD_RELOC_CRX_IMM32, R_CRX_IMM32},
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{BFD_RELOC_CRX_IMM32, R_CRX_IMM32},
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{BFD_RELOC_CRX_SWITCH8, R_CRX_SWITCH8},
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{BFD_RELOC_CRX_SWITCH8, R_CRX_SWITCH8},
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{BFD_RELOC_CRX_SWITCH16, R_CRX_SWITCH16},
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{BFD_RELOC_CRX_SWITCH16, R_CRX_SWITCH16},
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{BFD_RELOC_CRX_SWITCH32, R_CRX_SWITCH32}
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{BFD_RELOC_CRX_SWITCH32, R_CRX_SWITCH32}
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};
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};
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static reloc_howto_type crx_elf_howto_table[] =
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static reloc_howto_type crx_elf_howto_table[] =
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{
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{
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HOWTO (R_CRX_NONE, /* type */
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HOWTO (R_CRX_NONE, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size */
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2, /* size */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_NONE", /* name */
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"R_CRX_NONE", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0, /* dst_mask */
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0, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL4, /* type */
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HOWTO (R_CRX_REL4, /* type */
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1, /* rightshift */
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1, /* rightshift */
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0, /* size */
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0, /* size */
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4, /* bitsize */
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4, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL4", /* name */
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"R_CRX_REL4", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xf, /* dst_mask */
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0xf, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL8, /* type */
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HOWTO (R_CRX_REL8, /* type */
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1, /* rightshift */
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1, /* rightshift */
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0, /* size */
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0, /* size */
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8, /* bitsize */
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8, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL8", /* name */
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"R_CRX_REL8", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xff, /* dst_mask */
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0xff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL8_CMP, /* type */
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HOWTO (R_CRX_REL8_CMP, /* type */
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1, /* rightshift */
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1, /* rightshift */
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0, /* size */
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0, /* size */
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8, /* bitsize */
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8, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL8_CMP", /* name */
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"R_CRX_REL8_CMP", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xff, /* dst_mask */
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0xff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL16, /* type */
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HOWTO (R_CRX_REL16, /* type */
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1, /* rightshift */
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1, /* rightshift */
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1, /* size */
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1, /* size */
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16, /* bitsize */
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16, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL16", /* name */
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"R_CRX_REL16", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xffff, /* dst_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL24, /* type */
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HOWTO (R_CRX_REL24, /* type */
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1, /* rightshift */
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1, /* rightshift */
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2, /* size */
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2, /* size */
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24, /* bitsize */
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24, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL24", /* name */
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"R_CRX_REL24", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xffffff, /* dst_mask */
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0xffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REL32, /* type */
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HOWTO (R_CRX_REL32, /* type */
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1, /* rightshift */
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1, /* rightshift */
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2, /* size */
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2, /* size */
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32, /* bitsize */
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32, /* bitsize */
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TRUE, /* pc_relative */
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TRUE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REL32", /* name */
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"R_CRX_REL32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REGREL12, /* type */
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HOWTO (R_CRX_REGREL12, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size */
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1, /* size */
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12, /* bitsize */
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12, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REGREL12", /* name */
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"R_CRX_REGREL12", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xfff, /* dst_mask */
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0xfff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REGREL22, /* type */
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HOWTO (R_CRX_REGREL22, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size */
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2, /* size */
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22, /* bitsize */
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22, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REGREL22", /* name */
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"R_CRX_REGREL22", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0x3fffff, /* dst_mask */
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0x3fffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REGREL28, /* type */
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HOWTO (R_CRX_REGREL28, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size */
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2, /* size */
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28, /* bitsize */
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28, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REGREL28", /* name */
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"R_CRX_REGREL28", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xfffffff, /* dst_mask */
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0xfffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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HOWTO (R_CRX_REGREL32, /* type */
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HOWTO (R_CRX_REGREL32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size */
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2, /* size */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_REGREL32", /* name */
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"R_CRX_REGREL32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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HOWTO (R_CRX_ABS16, /* type */
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HOWTO (R_CRX_ABS16, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size */
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1, /* size */
|
16, /* bitsize */
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16, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_ABS16", /* name */
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"R_CRX_ABS16", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0x0, /* src_mask */
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0x0, /* src_mask */
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0xffff, /* dst_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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HOWTO (R_CRX_ABS32, /* type */
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HOWTO (R_CRX_ABS32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size */
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2, /* size */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_CRX_ABS32", /* name */
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"R_CRX_ABS32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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HOWTO (R_CRX_NUM8, /* type */
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HOWTO (R_CRX_NUM8, /* type */
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0, /* rightshift */
|
0, /* rightshift */
|
0, /* size */
|
0, /* size */
|
8, /* bitsize */
|
8, /* bitsize */
|
FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_NUM8", /* name */
|
"R_CRX_NUM8", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xff, /* dst_mask */
|
0xff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_CRX_NUM16, /* type */
|
HOWTO (R_CRX_NUM16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size */
|
1, /* size */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_NUM16", /* name */
|
"R_CRX_NUM16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_CRX_NUM32, /* type */
|
HOWTO (R_CRX_NUM32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size */
|
2, /* size */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_NUM32", /* name */
|
"R_CRX_NUM32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_CRX_IMM16, /* type */
|
HOWTO (R_CRX_IMM16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size */
|
1, /* size */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_IMM16", /* name */
|
"R_CRX_IMM16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_CRX_IMM32, /* type */
|
HOWTO (R_CRX_IMM32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size */
|
2, /* size */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
complain_overflow_bitfield,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_IMM32", /* name */
|
"R_CRX_IMM32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An 8 bit switch table entry. This is generated for an expression
|
/* An 8 bit switch table entry. This is generated for an expression
|
such as ``.byte L1 - L2''. The offset holds the difference
|
such as ``.byte L1 - L2''. The offset holds the difference
|
between the reloc address and L2. */
|
between the reloc address and L2. */
|
HOWTO (R_CRX_SWITCH8, /* type */
|
HOWTO (R_CRX_SWITCH8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_SWITCH8", /* name */
|
"R_CRX_SWITCH8", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xff, /* dst_mask */
|
0xff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A 16 bit switch table entry. This is generated for an expression
|
/* A 16 bit switch table entry. This is generated for an expression
|
such as ``.word L1 - L2''. The offset holds the difference
|
such as ``.word L1 - L2''. The offset holds the difference
|
between the reloc address and L2. */
|
between the reloc address and L2. */
|
HOWTO (R_CRX_SWITCH16, /* type */
|
HOWTO (R_CRX_SWITCH16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_SWITCH16", /* name */
|
"R_CRX_SWITCH16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A 32 bit switch table entry. This is generated for an expression
|
/* A 32 bit switch table entry. This is generated for an expression
|
such as ``.long L1 - L2''. The offset holds the difference
|
such as ``.long L1 - L2''. The offset holds the difference
|
between the reloc address and L2. */
|
between the reloc address and L2. */
|
HOWTO (R_CRX_SWITCH32, /* type */
|
HOWTO (R_CRX_SWITCH32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
complain_overflow_unsigned, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_CRX_SWITCH32", /* name */
|
"R_CRX_SWITCH32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0x0, /* src_mask */
|
0x0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE) /* pcrel_offset */
|
TRUE) /* pcrel_offset */
|
};
|
};
|
|
|
/* Retrieve a howto ptr using a BFD reloc_code. */
|
/* Retrieve a howto ptr using a BFD reloc_code. */
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
elf_crx_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
elf_crx_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_reloc_code_real_type code)
|
bfd_reloc_code_real_type code)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0; i < R_CRX_MAX; i++)
|
for (i = 0; i < R_CRX_MAX; i++)
|
if (code == crx_reloc_map[i].bfd_reloc_enum)
|
if (code == crx_reloc_map[i].bfd_reloc_enum)
|
return &crx_elf_howto_table[crx_reloc_map[i].crx_reloc_type];
|
return &crx_elf_howto_table[crx_reloc_map[i].crx_reloc_type];
|
|
|
printf ("This relocation Type is not supported -0x%x\n", code);
|
printf ("This relocation Type is not supported -0x%x\n", code);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
elf_crx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
elf_crx_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 (crx_elf_howto_table) / sizeof (crx_elf_howto_table[0]);
|
i < sizeof (crx_elf_howto_table) / sizeof (crx_elf_howto_table[0]);
|
i++)
|
i++)
|
if (crx_elf_howto_table[i].name != NULL
|
if (crx_elf_howto_table[i].name != NULL
|
&& strcasecmp (crx_elf_howto_table[i].name, r_name) == 0)
|
&& strcasecmp (crx_elf_howto_table[i].name, r_name) == 0)
|
return &crx_elf_howto_table[i];
|
return &crx_elf_howto_table[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Retrieve a howto ptr using an internal relocation entry. */
|
/* Retrieve a howto ptr using an internal relocation entry. */
|
|
|
static void
|
static void
|
elf_crx_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
elf_crx_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
|
unsigned int r_type = ELF32_R_TYPE (dst->r_info);
|
BFD_ASSERT (r_type < (unsigned int) R_CRX_MAX);
|
BFD_ASSERT (r_type < (unsigned int) R_CRX_MAX);
|
cache_ptr->howto = &crx_elf_howto_table[r_type];
|
cache_ptr->howto = &crx_elf_howto_table[r_type];
|
}
|
}
|
|
|
/* Perform a relocation as part of a final link. */
|
/* Perform a relocation as part of a final link. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
crx_elf_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd,
|
crx_elf_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd,
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
bfd *output_bfd ATTRIBUTE_UNUSED,
|
asection *input_section, bfd_byte *contents,
|
asection *input_section, bfd_byte *contents,
|
bfd_vma offset, bfd_vma Rvalue, bfd_vma addend,
|
bfd_vma offset, bfd_vma Rvalue, bfd_vma addend,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
asection *sec ATTRIBUTE_UNUSED,
|
asection *sec ATTRIBUTE_UNUSED,
|
int is_local ATTRIBUTE_UNUSED)
|
int is_local ATTRIBUTE_UNUSED)
|
{
|
{
|
unsigned short r_type = howto->type;
|
unsigned short r_type = howto->type;
|
bfd_byte *hit_data = contents + offset;
|
bfd_byte *hit_data = contents + offset;
|
bfd_vma reloc_bits, check;
|
bfd_vma reloc_bits, check;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_CRX_IMM16:
|
case R_CRX_IMM16:
|
case R_CRX_IMM32:
|
case R_CRX_IMM32:
|
case R_CRX_ABS16:
|
case R_CRX_ABS16:
|
case R_CRX_ABS32:
|
case R_CRX_ABS32:
|
case R_CRX_REL8_CMP:
|
case R_CRX_REL8_CMP:
|
case R_CRX_REL16:
|
case R_CRX_REL16:
|
case R_CRX_REL24:
|
case R_CRX_REL24:
|
case R_CRX_REL32:
|
case R_CRX_REL32:
|
case R_CRX_REGREL12:
|
case R_CRX_REGREL12:
|
case R_CRX_REGREL22:
|
case R_CRX_REGREL22:
|
case R_CRX_REGREL28:
|
case R_CRX_REGREL28:
|
case R_CRX_REGREL32:
|
case R_CRX_REGREL32:
|
/* 'hit_data' is relative to the start of the instruction, not the
|
/* 'hit_data' is relative to the start of the instruction, not the
|
relocation offset. Advance it to account for the exact offset. */
|
relocation offset. Advance it to account for the exact offset. */
|
hit_data += 2;
|
hit_data += 2;
|
break;
|
break;
|
|
|
case R_CRX_REL4:
|
case R_CRX_REL4:
|
/* This relocation type is used only in 'Branch if Equal to 0'
|
/* This relocation type is used only in 'Branch if Equal to 0'
|
instructions and requires special handling. */
|
instructions and requires special handling. */
|
Rvalue -= 1;
|
Rvalue -= 1;
|
break;
|
break;
|
|
|
case R_CRX_NONE:
|
case R_CRX_NONE:
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
break;
|
break;
|
|
|
case R_CRX_SWITCH8:
|
case R_CRX_SWITCH8:
|
case R_CRX_SWITCH16:
|
case R_CRX_SWITCH16:
|
case R_CRX_SWITCH32:
|
case R_CRX_SWITCH32:
|
/* We only care about the addend, where the difference between
|
/* We only care about the addend, where the difference between
|
expressions is kept. */
|
expressions is kept. */
|
Rvalue = 0;
|
Rvalue = 0;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
if (howto->pc_relative)
|
if (howto->pc_relative)
|
{
|
{
|
/* Subtract the address of the section containing the location. */
|
/* Subtract the address of the section containing the location. */
|
Rvalue -= (input_section->output_section->vma
|
Rvalue -= (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
/* Subtract the position of the location within the section. */
|
/* Subtract the position of the location within the section. */
|
Rvalue -= offset;
|
Rvalue -= offset;
|
}
|
}
|
|
|
/* Add in supplied addend. */
|
/* Add in supplied addend. */
|
Rvalue += addend;
|
Rvalue += addend;
|
|
|
/* Complain if the bitfield overflows, whether it is considered
|
/* Complain if the bitfield overflows, whether it is considered
|
as signed or unsigned. */
|
as signed or unsigned. */
|
check = Rvalue >> howto->rightshift;
|
check = Rvalue >> howto->rightshift;
|
|
|
/* Assumes two's complement. This expression avoids
|
/* Assumes two's complement. This expression avoids
|
overflow if howto->bitsize is the number of bits in
|
overflow if howto->bitsize is the number of bits in
|
bfd_vma. */
|
bfd_vma. */
|
reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
|
reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
|
|
|
if (((bfd_vma) check & ~reloc_bits) != 0
|
if (((bfd_vma) check & ~reloc_bits) != 0
|
&& (((bfd_vma) check & ~reloc_bits)
|
&& (((bfd_vma) check & ~reloc_bits)
|
!= (-(bfd_vma) 1 & ~reloc_bits)))
|
!= (-(bfd_vma) 1 & ~reloc_bits)))
|
{
|
{
|
/* The above right shift is incorrect for a signed
|
/* The above right shift is incorrect for a signed
|
value. See if turning on the upper bits fixes the
|
value. See if turning on the upper bits fixes the
|
overflow. */
|
overflow. */
|
if (howto->rightshift && (bfd_signed_vma) Rvalue < 0)
|
if (howto->rightshift && (bfd_signed_vma) Rvalue < 0)
|
{
|
{
|
check |= ((bfd_vma) - 1
|
check |= ((bfd_vma) - 1
|
& ~((bfd_vma) - 1
|
& ~((bfd_vma) - 1
|
>> howto->rightshift));
|
>> howto->rightshift));
|
if (((bfd_vma) check & ~reloc_bits)
|
if (((bfd_vma) check & ~reloc_bits)
|
!= (-(bfd_vma) 1 & ~reloc_bits))
|
!= (-(bfd_vma) 1 & ~reloc_bits))
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
}
|
}
|
else
|
else
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
}
|
}
|
|
|
/* Drop unwanted bits from the value we are relocating to. */
|
/* Drop unwanted bits from the value we are relocating to. */
|
Rvalue >>= (bfd_vma) howto->rightshift;
|
Rvalue >>= (bfd_vma) howto->rightshift;
|
|
|
/* Apply dst_mask to select only relocatable part of the insn. */
|
/* Apply dst_mask to select only relocatable part of the insn. */
|
Rvalue &= howto->dst_mask;
|
Rvalue &= howto->dst_mask;
|
|
|
switch (howto->size)
|
switch (howto->size)
|
{
|
{
|
case 0:
|
case 0:
|
if (r_type == R_CRX_REL4)
|
if (r_type == R_CRX_REL4)
|
{
|
{
|
Rvalue <<= 4;
|
Rvalue <<= 4;
|
Rvalue |= (bfd_get_8 (input_bfd, hit_data) & 0x0f);
|
Rvalue |= (bfd_get_8 (input_bfd, hit_data) & 0x0f);
|
}
|
}
|
|
|
bfd_put_8 (input_bfd, (unsigned char) Rvalue, hit_data);
|
bfd_put_8 (input_bfd, (unsigned char) Rvalue, hit_data);
|
break;
|
break;
|
|
|
case 1:
|
case 1:
|
if (r_type == R_CRX_REGREL12)
|
if (r_type == R_CRX_REGREL12)
|
Rvalue |= (bfd_get_16 (input_bfd, hit_data) & 0xf000);
|
Rvalue |= (bfd_get_16 (input_bfd, hit_data) & 0xf000);
|
|
|
bfd_put_16 (input_bfd, Rvalue, hit_data);
|
bfd_put_16 (input_bfd, Rvalue, hit_data);
|
break;
|
break;
|
|
|
case 2:
|
case 2:
|
if (r_type == R_CRX_REL24
|
if (r_type == R_CRX_REL24
|
|| r_type == R_CRX_REGREL22
|
|| r_type == R_CRX_REGREL22
|
|| r_type == R_CRX_REGREL28)
|
|| r_type == R_CRX_REGREL28)
|
Rvalue |= (((bfd_get_16 (input_bfd, hit_data) << 16) |
|
Rvalue |= (((bfd_get_16 (input_bfd, hit_data) << 16) |
|
bfd_get_16 (input_bfd, hit_data + 2)) & ~howto->dst_mask);
|
bfd_get_16 (input_bfd, hit_data + 2)) & ~howto->dst_mask);
|
|
|
if (r_type == R_CRX_NUM32 || r_type == R_CRX_SWITCH32)
|
if (r_type == R_CRX_NUM32 || r_type == R_CRX_SWITCH32)
|
/* Relocation on DATA is purely little-endian, that is, for a
|
/* Relocation on DATA is purely little-endian, that is, for a
|
multi-byte datum, the lowest address in memory contains the
|
multi-byte datum, the lowest address in memory contains the
|
little end of the datum, that is, the least significant byte.
|
little end of the datum, that is, the least significant byte.
|
Therefore we use BFD's byte Putting functions. */
|
Therefore we use BFD's byte Putting functions. */
|
bfd_put_32 (input_bfd, Rvalue, hit_data);
|
bfd_put_32 (input_bfd, Rvalue, hit_data);
|
else
|
else
|
/* Relocation on INSTRUCTIONS is different : Instructions are
|
/* Relocation on INSTRUCTIONS is different : Instructions are
|
word-addressable, that is, each word itself is arranged according
|
word-addressable, that is, each word itself is arranged according
|
to little-endian convention, whereas the words are arranged with
|
to little-endian convention, whereas the words are arranged with
|
respect to one another in BIG ENDIAN fashion.
|
respect to one another in BIG ENDIAN fashion.
|
When there is an immediate value that spans a word boundary, it is
|
When there is an immediate value that spans a word boundary, it is
|
split in a big-endian way with respect to the words. */
|
split in a big-endian way with respect to the words. */
|
{
|
{
|
bfd_put_16 (input_bfd, (Rvalue >> 16) & 0xffff, hit_data);
|
bfd_put_16 (input_bfd, (Rvalue >> 16) & 0xffff, hit_data);
|
bfd_put_16 (input_bfd, Rvalue & 0xffff, hit_data + 2);
|
bfd_put_16 (input_bfd, Rvalue & 0xffff, hit_data + 2);
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
return bfd_reloc_notsupported;
|
return bfd_reloc_notsupported;
|
}
|
}
|
|
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
/* Delete some bytes from a section while relaxing. */
|
/* Delete some bytes from a section while relaxing. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf32_crx_relax_delete_bytes (struct bfd_link_info *link_info, bfd *abfd,
|
elf32_crx_relax_delete_bytes (struct bfd_link_info *link_info, bfd *abfd,
|
asection *sec, bfd_vma addr, int count)
|
asection *sec, bfd_vma addr, int count)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
unsigned int sec_shndx;
|
unsigned int sec_shndx;
|
bfd_byte *contents;
|
bfd_byte *contents;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irelalign;
|
Elf_Internal_Rela *irelalign;
|
bfd_vma toaddr;
|
bfd_vma toaddr;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isymend;
|
Elf_Internal_Sym *isymend;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **end_hashes;
|
struct elf_link_hash_entry **end_hashes;
|
struct elf_link_hash_entry **start_hashes;
|
struct elf_link_hash_entry **start_hashes;
|
unsigned int symcount;
|
unsigned int symcount;
|
|
|
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
|
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
|
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
power larger than the number of bytes we are deleting. */
|
power larger than the number of bytes we are deleting. */
|
|
|
irelalign = NULL;
|
irelalign = NULL;
|
toaddr = sec->size;
|
toaddr = sec->size;
|
|
|
irel = elf_section_data (sec)->relocs;
|
irel = elf_section_data (sec)->relocs;
|
irelend = irel + sec->reloc_count;
|
irelend = irel + sec->reloc_count;
|
|
|
/* Actually delete the bytes. */
|
/* Actually delete the bytes. */
|
memmove (contents + addr, contents + addr + count,
|
memmove (contents + addr, contents + addr + count,
|
(size_t) (toaddr - addr - count));
|
(size_t) (toaddr - addr - count));
|
sec->size -= count;
|
sec->size -= count;
|
|
|
/* Adjust all the relocs. */
|
/* Adjust all the relocs. */
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
{
|
{
|
/* Get the new reloc address. */
|
/* Get the new reloc address. */
|
if ((irel->r_offset > addr
|
if ((irel->r_offset > addr
|
&& irel->r_offset < toaddr))
|
&& irel->r_offset < toaddr))
|
irel->r_offset -= count;
|
irel->r_offset -= count;
|
}
|
}
|
|
|
/* Adjust the local symbols defined in this section. */
|
/* Adjust the local symbols defined in this section. */
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
isym = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isym = (Elf_Internal_Sym *) symtab_hdr->contents;
|
for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
|
for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
|
{
|
{
|
if (isym->st_shndx == sec_shndx
|
if (isym->st_shndx == sec_shndx
|
&& isym->st_value > addr
|
&& isym->st_value > addr
|
&& isym->st_value < toaddr)
|
&& isym->st_value < toaddr)
|
{
|
{
|
/* Adjust the addend of SWITCH relocations in this section,
|
/* Adjust the addend of SWITCH relocations in this section,
|
which reference this local symbol. */
|
which reference this local symbol. */
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
Elf_Internal_Sym *rsym;
|
Elf_Internal_Sym *rsym;
|
bfd_vma addsym, subsym;
|
bfd_vma addsym, subsym;
|
|
|
/* Skip if not a SWITCH relocation. */
|
/* Skip if not a SWITCH relocation. */
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH8
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH8
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH16
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH16
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH32)
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_SWITCH32)
|
continue;
|
continue;
|
|
|
r_symndx = ELF32_R_SYM (irel->r_info);
|
r_symndx = ELF32_R_SYM (irel->r_info);
|
rsym = (Elf_Internal_Sym *) symtab_hdr->contents + r_symndx;
|
rsym = (Elf_Internal_Sym *) symtab_hdr->contents + r_symndx;
|
|
|
/* Skip if not the local adjusted symbol. */
|
/* Skip if not the local adjusted symbol. */
|
if (rsym != isym)
|
if (rsym != isym)
|
continue;
|
continue;
|
|
|
addsym = isym->st_value;
|
addsym = isym->st_value;
|
subsym = addsym - irel->r_addend;
|
subsym = addsym - irel->r_addend;
|
|
|
/* Fix the addend only when -->> (addsym > addr >= subsym). */
|
/* Fix the addend only when -->> (addsym > addr >= subsym). */
|
if (subsym <= addr)
|
if (subsym <= addr)
|
irel->r_addend -= count;
|
irel->r_addend -= count;
|
else
|
else
|
continue;
|
continue;
|
}
|
}
|
|
|
isym->st_value -= count;
|
isym->st_value -= count;
|
}
|
}
|
}
|
}
|
|
|
/* Now adjust the global symbols defined in this section. */
|
/* Now adjust the global symbols defined in this section. */
|
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
- symtab_hdr->sh_info);
|
- symtab_hdr->sh_info);
|
sym_hashes = start_hashes = elf_sym_hashes (abfd);
|
sym_hashes = start_hashes = elf_sym_hashes (abfd);
|
end_hashes = sym_hashes + symcount;
|
end_hashes = sym_hashes + symcount;
|
|
|
for (; sym_hashes < end_hashes; sym_hashes++)
|
for (; sym_hashes < end_hashes; sym_hashes++)
|
{
|
{
|
struct elf_link_hash_entry *sym_hash = *sym_hashes;
|
struct elf_link_hash_entry *sym_hash = *sym_hashes;
|
|
|
/* The '--wrap SYMBOL' option is causing a pain when the object file,
|
/* The '--wrap SYMBOL' option is causing a pain when the object file,
|
containing the definition of __wrap_SYMBOL, includes a direct
|
containing the definition of __wrap_SYMBOL, includes a direct
|
call to SYMBOL as well. Since both __wrap_SYMBOL and SYMBOL reference
|
call to SYMBOL as well. Since both __wrap_SYMBOL and SYMBOL reference
|
the same symbol (which is __wrap_SYMBOL), but still exist as two
|
the same symbol (which is __wrap_SYMBOL), but still exist as two
|
different symbols in 'sym_hashes', we don't want to adjust
|
different symbols in 'sym_hashes', we don't want to adjust
|
the global symbol __wrap_SYMBOL twice.
|
the global symbol __wrap_SYMBOL twice.
|
This check is only relevant when symbols are being wrapped. */
|
This check is only relevant when symbols are being wrapped. */
|
if (link_info->wrap_hash != NULL)
|
if (link_info->wrap_hash != NULL)
|
{
|
{
|
struct elf_link_hash_entry **cur_sym_hashes;
|
struct elf_link_hash_entry **cur_sym_hashes;
|
|
|
/* Loop only over the symbols whom been already checked. */
|
/* Loop only over the symbols whom been already checked. */
|
for (cur_sym_hashes = start_hashes; cur_sym_hashes < sym_hashes;
|
for (cur_sym_hashes = start_hashes; cur_sym_hashes < sym_hashes;
|
cur_sym_hashes++)
|
cur_sym_hashes++)
|
{
|
{
|
/* If the current symbol is identical to 'sym_hash', that means
|
/* If the current symbol is identical to 'sym_hash', that means
|
the symbol was already adjusted (or at least checked). */
|
the symbol was already adjusted (or at least checked). */
|
if (*cur_sym_hashes == sym_hash)
|
if (*cur_sym_hashes == sym_hash)
|
break;
|
break;
|
}
|
}
|
/* Don't adjust the symbol again. */
|
/* Don't adjust the symbol again. */
|
if (cur_sym_hashes < sym_hashes)
|
if (cur_sym_hashes < sym_hashes)
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((sym_hash->root.type == bfd_link_hash_defined
|
if ((sym_hash->root.type == bfd_link_hash_defined
|
|| sym_hash->root.type == bfd_link_hash_defweak)
|
|| sym_hash->root.type == bfd_link_hash_defweak)
|
&& sym_hash->root.u.def.section == sec
|
&& sym_hash->root.u.def.section == sec
|
&& sym_hash->root.u.def.value > addr
|
&& sym_hash->root.u.def.value > addr
|
&& sym_hash->root.u.def.value < toaddr)
|
&& sym_hash->root.u.def.value < toaddr)
|
sym_hash->root.u.def.value -= count;
|
sym_hash->root.u.def.value -= count;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
which uses elf32_crx_relocate_section. */
|
which uses elf32_crx_relocate_section. */
|
|
|
static bfd_byte *
|
static bfd_byte *
|
elf32_crx_get_relocated_section_contents (bfd *output_bfd,
|
elf32_crx_get_relocated_section_contents (bfd *output_bfd,
|
struct bfd_link_info *link_info,
|
struct bfd_link_info *link_info,
|
struct bfd_link_order *link_order,
|
struct bfd_link_order *link_order,
|
bfd_byte *data,
|
bfd_byte *data,
|
bfd_boolean relocatable,
|
bfd_boolean relocatable,
|
asymbol **symbols)
|
asymbol **symbols)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *input_section = link_order->u.indirect.section;
|
asection *input_section = link_order->u.indirect.section;
|
bfd *input_bfd = input_section->owner;
|
bfd *input_bfd = input_section->owner;
|
asection **sections = NULL;
|
asection **sections = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
|
|
/* We only need to handle the case of relaxing, or of having a
|
/* We only need to handle the case of relaxing, or of having a
|
particular set of section contents, specially. */
|
particular set of section contents, specially. */
|
if (relocatable
|
if (relocatable
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
link_order, data,
|
link_order, data,
|
relocatable,
|
relocatable,
|
symbols);
|
symbols);
|
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
|
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
(size_t) input_section->size);
|
(size_t) input_section->size);
|
|
|
if ((input_section->flags & SEC_RELOC) != 0
|
if ((input_section->flags & SEC_RELOC) != 0
|
&& input_section->reloc_count > 0)
|
&& input_section->reloc_count > 0)
|
{
|
{
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isymend;
|
Elf_Internal_Sym *isymend;
|
asection **secpp;
|
asection **secpp;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
internal_relocs = (_bfd_elf_link_read_relocs
|
internal_relocs = (_bfd_elf_link_read_relocs
|
(input_bfd, input_section, (PTR) NULL,
|
(input_bfd, input_section, (PTR) NULL,
|
(Elf_Internal_Rela *) NULL, FALSE));
|
(Elf_Internal_Rela *) NULL, FALSE));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
if (symtab_hdr->sh_info != 0)
|
if (symtab_hdr->sh_info != 0)
|
{
|
{
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
|
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
|
symtab_hdr->sh_info, 0,
|
symtab_hdr->sh_info, 0,
|
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
amt = symtab_hdr->sh_info;
|
amt = symtab_hdr->sh_info;
|
amt *= sizeof (asection *);
|
amt *= sizeof (asection *);
|
sections = bfd_malloc (amt);
|
sections = bfd_malloc (amt);
|
if (sections == NULL && amt != 0)
|
if (sections == NULL && amt != 0)
|
goto error_return;
|
goto error_return;
|
|
|
isymend = isymbuf + symtab_hdr->sh_info;
|
isymend = isymbuf + symtab_hdr->sh_info;
|
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
|
for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
|
{
|
{
|
asection *isec;
|
asection *isec;
|
|
|
if (isym->st_shndx == SHN_UNDEF)
|
if (isym->st_shndx == SHN_UNDEF)
|
isec = bfd_und_section_ptr;
|
isec = bfd_und_section_ptr;
|
else if (isym->st_shndx == SHN_ABS)
|
else if (isym->st_shndx == SHN_ABS)
|
isec = bfd_abs_section_ptr;
|
isec = bfd_abs_section_ptr;
|
else if (isym->st_shndx == SHN_COMMON)
|
else if (isym->st_shndx == SHN_COMMON)
|
isec = bfd_com_section_ptr;
|
isec = bfd_com_section_ptr;
|
else
|
else
|
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
|
isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
|
|
|
*secpp = isec;
|
*secpp = isec;
|
}
|
}
|
|
|
if (! elf32_crx_relocate_section (output_bfd, link_info, input_bfd,
|
if (! elf32_crx_relocate_section (output_bfd, link_info, input_bfd,
|
input_section, data, internal_relocs,
|
input_section, data, internal_relocs,
|
isymbuf, sections))
|
isymbuf, sections))
|
goto error_return;
|
goto error_return;
|
|
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (elf_section_data (input_section)->relocs != internal_relocs)
|
if (elf_section_data (input_section)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
}
|
}
|
|
|
return data;
|
return data;
|
|
|
error_return:
|
error_return:
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (input_section)->relocs != internal_relocs)
|
&& elf_section_data (input_section)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Relocate a CRX ELF section. */
|
/* Relocate a CRX ELF section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf32_crx_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
elf32_crx_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
|
bfd *input_bfd, asection *input_section,
|
bfd *input_bfd, asection *input_section,
|
bfd_byte *contents, Elf_Internal_Rela *relocs,
|
bfd_byte *contents, Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
Elf_Internal_Rela *rel, *relend;
|
Elf_Internal_Rela *rel, *relend;
|
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
int r_type;
|
int r_type;
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
howto = crx_elf_howto_table + (r_type);
|
howto = crx_elf_howto_table + (r_type);
|
|
|
h = NULL;
|
h = NULL;
|
sym = NULL;
|
sym = NULL;
|
sec = NULL;
|
sec = NULL;
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_boolean unresolved_reloc, warned;
|
bfd_boolean unresolved_reloc, warned;
|
|
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
r_symndx, symtab_hdr, sym_hashes,
|
r_symndx, symtab_hdr, sym_hashes,
|
h, sec, relocation,
|
h, sec, relocation,
|
unresolved_reloc, warned);
|
unresolved_reloc, warned);
|
}
|
}
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
if (sec != NULL && elf_discarded_section (sec))
|
{
|
{
|
/* For relocs against symbols from removed linkonce sections,
|
/* For relocs against symbols from removed linkonce sections,
|
or sections discarded by a linker script, we just want the
|
or sections discarded by a linker script, we just want the
|
section contents zeroed. Avoid any special processing. */
|
section contents zeroed. Avoid any special processing. */
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
rel->r_info = 0;
|
rel->r_info = 0;
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
continue;
|
continue;
|
|
|
r = crx_elf_final_link_relocate (howto, input_bfd, output_bfd,
|
r = crx_elf_final_link_relocate (howto, input_bfd, output_bfd,
|
input_section,
|
input_section,
|
contents, rel->r_offset,
|
contents, rel->r_offset,
|
relocation, rel->r_addend,
|
relocation, rel->r_addend,
|
info, sec, h == NULL);
|
info, sec, h == NULL);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
const char *name;
|
const char *name;
|
const char *msg = (const char *) 0;
|
const char *msg = (const char *) 0;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
name = h->root.root.string;
|
name = h->root.root.string;
|
else
|
else
|
{
|
{
|
name = (bfd_elf_string_from_elf_section
|
name = (bfd_elf_string_from_elf_section
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
if (name == NULL || *name == '\0')
|
if (name == NULL || *name == '\0')
|
name = bfd_section_name (input_bfd, sec);
|
name = bfd_section_name (input_bfd, sec);
|
}
|
}
|
|
|
switch (r)
|
switch (r)
|
{
|
{
|
case bfd_reloc_overflow:
|
case bfd_reloc_overflow:
|
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_offset)))
|
rel->r_offset)))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
case bfd_reloc_undefined:
|
case bfd_reloc_undefined:
|
if (!((*info->callbacks->undefined_symbol)
|
if (!((*info->callbacks->undefined_symbol)
|
(info, name, input_bfd, input_section,
|
(info, name, input_bfd, input_section,
|
rel->r_offset, TRUE)))
|
rel->r_offset, TRUE)))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
case bfd_reloc_outofrange:
|
case bfd_reloc_outofrange:
|
msg = _("internal error: out of range error");
|
msg = _("internal error: out of range error");
|
goto common_error;
|
goto common_error;
|
|
|
case bfd_reloc_notsupported:
|
case bfd_reloc_notsupported:
|
msg = _("internal error: unsupported relocation error");
|
msg = _("internal error: unsupported relocation error");
|
goto common_error;
|
goto common_error;
|
|
|
case bfd_reloc_dangerous:
|
case bfd_reloc_dangerous:
|
msg = _("internal error: dangerous error");
|
msg = _("internal error: dangerous error");
|
goto common_error;
|
goto common_error;
|
|
|
default:
|
default:
|
msg = _("internal error: unknown error");
|
msg = _("internal error: unknown error");
|
/* Fall through. */
|
/* Fall through. */
|
|
|
common_error:
|
common_error:
|
if (!((*info->callbacks->warning)
|
if (!((*info->callbacks->warning)
|
(info, msg, name, input_bfd, input_section,
|
(info, msg, name, input_bfd, input_section,
|
rel->r_offset)))
|
rel->r_offset)))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This function handles relaxing for the CRX.
|
/* This function handles relaxing for the CRX.
|
|
|
There's quite a few relaxing opportunites available on the CRX:
|
There's quite a few relaxing opportunites available on the CRX:
|
|
|
* bal/bcond:32 -> bal/bcond:16 2 bytes
|
* bal/bcond:32 -> bal/bcond:16 2 bytes
|
* bcond:16 -> bcond:8 2 bytes
|
* bcond:16 -> bcond:8 2 bytes
|
* cmpbcond:24 -> cmpbcond:8 2 bytes
|
* cmpbcond:24 -> cmpbcond:8 2 bytes
|
* arithmetic imm32 -> arithmetic imm16 2 bytes
|
* arithmetic imm32 -> arithmetic imm16 2 bytes
|
|
|
Symbol- and reloc-reading infrastructure copied from elf-m10200.c. */
|
Symbol- and reloc-reading infrastructure copied from elf-m10200.c. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf32_crx_relax_section (bfd *abfd, asection *sec,
|
elf32_crx_relax_section (bfd *abfd, asection *sec,
|
struct bfd_link_info *link_info, bfd_boolean *again)
|
struct bfd_link_info *link_info, bfd_boolean *again)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
bfd_byte *contents = NULL;
|
bfd_byte *contents = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
|
|
/* Assume nothing changes. */
|
/* Assume nothing changes. */
|
*again = FALSE;
|
*again = FALSE;
|
|
|
/* We don't have to do anything for a relocatable link, if
|
/* We don't have to do anything for a relocatable link, if
|
this section does not have relocs, or if this is not a
|
this section does not have relocs, or if this is not a
|
code section. */
|
code section. */
|
if (link_info->relocatable
|
if (link_info->relocatable
|
|| (sec->flags & SEC_RELOC) == 0
|
|| (sec->flags & SEC_RELOC) == 0
|
|| sec->reloc_count == 0
|
|| sec->reloc_count == 0
|
|| (sec->flags & SEC_CODE) == 0)
|
|| (sec->flags & SEC_CODE) == 0)
|
return TRUE;
|
return TRUE;
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
|
|
/* Get a copy of the native relocations. */
|
/* Get a copy of the native relocations. */
|
internal_relocs = (_bfd_elf_link_read_relocs
|
internal_relocs = (_bfd_elf_link_read_relocs
|
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
|
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
|
link_info->keep_memory));
|
link_info->keep_memory));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
/* Walk through them looking for relaxing opportunities. */
|
/* Walk through them looking for relaxing opportunities. */
|
irelend = internal_relocs + sec->reloc_count;
|
irelend = internal_relocs + sec->reloc_count;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
bfd_vma symval;
|
bfd_vma symval;
|
|
|
/* If this isn't something that can be relaxed, then ignore
|
/* If this isn't something that can be relaxed, then ignore
|
this reloc. */
|
this reloc. */
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL32
|
if (ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL32
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL16
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL16
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL24
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_REL24
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_IMM32)
|
&& ELF32_R_TYPE (irel->r_info) != (int) R_CRX_IMM32)
|
continue;
|
continue;
|
|
|
/* Get the section contents if we haven't done so already. */
|
/* Get the section contents if we haven't done so already. */
|
if (contents == NULL)
|
if (contents == NULL)
|
{
|
{
|
/* Get cached copy if it exists. */
|
/* Get cached copy if it exists. */
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
/* Go get them off disk. */
|
/* Go get them off disk. */
|
else if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
else if (!bfd_malloc_and_get_section (abfd, sec, &contents))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* Read this BFD's local symbols if we haven't done so already. */
|
/* Read this BFD's local symbols if we haven't done so already. */
|
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
|
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
|
{
|
{
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
symtab_hdr->sh_info, 0,
|
symtab_hdr->sh_info, 0,
|
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* Get the value of the symbol referred to by the reloc. */
|
/* Get the value of the symbol referred to by the reloc. */
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
{
|
{
|
/* A local symbol. */
|
/* A local symbol. */
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
asection *sym_sec;
|
asection *sym_sec;
|
|
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
if (isym->st_shndx == SHN_UNDEF)
|
if (isym->st_shndx == SHN_UNDEF)
|
sym_sec = bfd_und_section_ptr;
|
sym_sec = bfd_und_section_ptr;
|
else if (isym->st_shndx == SHN_ABS)
|
else if (isym->st_shndx == SHN_ABS)
|
sym_sec = bfd_abs_section_ptr;
|
sym_sec = bfd_abs_section_ptr;
|
else if (isym->st_shndx == SHN_COMMON)
|
else if (isym->st_shndx == SHN_COMMON)
|
sym_sec = bfd_com_section_ptr;
|
sym_sec = bfd_com_section_ptr;
|
else
|
else
|
sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
symval = (isym->st_value
|
symval = (isym->st_value
|
+ sym_sec->output_section->vma
|
+ sym_sec->output_section->vma
|
+ sym_sec->output_offset);
|
+ sym_sec->output_offset);
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned long indx;
|
unsigned long indx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
/* An external symbol. */
|
/* An external symbol. */
|
indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
|
indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
|
h = elf_sym_hashes (abfd)[indx];
|
h = elf_sym_hashes (abfd)[indx];
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
|
|
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)
|
/* This appears to be a reference to an undefined
|
/* This appears to be a reference to an undefined
|
symbol. Just ignore it--it will be caught by the
|
symbol. Just ignore it--it will be caught by the
|
regular reloc processing. */
|
regular reloc processing. */
|
continue;
|
continue;
|
|
|
symval = (h->root.u.def.value
|
symval = (h->root.u.def.value
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_offset);
|
+ h->root.u.def.section->output_offset);
|
}
|
}
|
|
|
/* For simplicity of coding, we are going to modify the section
|
/* For simplicity of coding, we are going to modify the section
|
contents, the section relocs, and the BFD symbol table. We
|
contents, the section relocs, and the BFD symbol table. We
|
must tell the rest of the code not to free up this
|
must tell the rest of the code not to free up this
|
information. It would be possible to instead create a table
|
information. It would be possible to instead create a table
|
of changes which have to be made, as is done in coff-mips.c;
|
of changes which have to be made, as is done in coff-mips.c;
|
that would be more work, but would require less memory when
|
that would be more work, but would require less memory when
|
the linker is run. */
|
the linker is run. */
|
|
|
/* Try to turn a 32bit pc-relative branch/call into
|
/* Try to turn a 32bit pc-relative branch/call into
|
a 16bit pc-relative branch/call. */
|
a 16bit pc-relative branch/call. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL32)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL32)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= irel->r_offset;
|
value -= irel->r_offset;
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* See if the value will fit in 16 bits, note the high value is
|
/* See if the value will fit in 16 bits, note the high value is
|
0xfffe + 2 as the target will be two bytes closer if we are
|
0xfffe + 2 as the target will be two bytes closer if we are
|
able to relax. */
|
able to relax. */
|
if ((long) value < 0x10000 && (long) value > -0x10002)
|
if ((long) value < 0x10000 && (long) value > -0x10002)
|
{
|
{
|
unsigned short code;
|
unsigned short code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
|
|
/* Verify it's a 'bal'/'bcond' and fix the opcode. */
|
/* Verify it's a 'bal'/'bcond' and fix the opcode. */
|
if ((code & 0xfff0) == 0x3170)
|
if ((code & 0xfff0) == 0x3170)
|
bfd_put_8 (abfd, 0x30, contents + irel->r_offset + 1);
|
bfd_put_8 (abfd, 0x30, contents + irel->r_offset + 1);
|
else if ((code & 0xf0ff) == 0x707f)
|
else if ((code & 0xf0ff) == 0x707f)
|
bfd_put_8 (abfd, 0x7e, contents + irel->r_offset);
|
bfd_put_8 (abfd, 0x7e, contents + irel->r_offset);
|
else
|
else
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_CRX_REL16);
|
R_CRX_REL16);
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
irel->r_offset + 2, 2))
|
irel->r_offset + 2, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = TRUE;
|
*again = TRUE;
|
}
|
}
|
}
|
}
|
|
|
/* Try to turn a 16bit pc-relative branch into an
|
/* Try to turn a 16bit pc-relative branch into an
|
8bit pc-relative branch. */
|
8bit pc-relative branch. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL16)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL16)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= irel->r_offset;
|
value -= irel->r_offset;
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* See if the value will fit in 8 bits, note the high value is
|
/* See if the value will fit in 8 bits, note the high value is
|
0xfc + 2 as the target will be two bytes closer if we are
|
0xfc + 2 as the target will be two bytes closer if we are
|
able to relax. */
|
able to relax. */
|
if ((long) value < 0xfe && (long) value > -0x100)
|
if ((long) value < 0xfe && (long) value > -0x100)
|
{
|
{
|
unsigned short code;
|
unsigned short code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
|
|
/* Verify it's a 'bcond' opcode. */
|
/* Verify it's a 'bcond' opcode. */
|
if ((code & 0xf0ff) != 0x707e)
|
if ((code & 0xf0ff) != 0x707e)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_CRX_REL8);
|
R_CRX_REL8);
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
irel->r_offset + 2, 2))
|
irel->r_offset + 2, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = TRUE;
|
*again = TRUE;
|
}
|
}
|
}
|
}
|
|
|
/* Try to turn a 24bit pc-relative cmp&branch into
|
/* Try to turn a 24bit pc-relative cmp&branch into
|
an 8bit pc-relative cmp&branch. */
|
an 8bit pc-relative cmp&branch. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL24)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_REL24)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= irel->r_offset;
|
value -= irel->r_offset;
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* See if the value will fit in 8 bits, note the high value is
|
/* See if the value will fit in 8 bits, note the high value is
|
0x7e + 2 as the target will be two bytes closer if we are
|
0x7e + 2 as the target will be two bytes closer if we are
|
able to relax. */
|
able to relax. */
|
if ((long) value < 0x100 && (long) value > -0x100)
|
if ((long) value < 0x100 && (long) value > -0x100)
|
{
|
{
|
unsigned short code;
|
unsigned short code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
|
|
/* Verify it's a 'cmp&branch' opcode. */
|
/* Verify it's a 'cmp&branch' opcode. */
|
if ((code & 0xfff0) != 0x3180 && (code & 0xfff0) != 0x3190
|
if ((code & 0xfff0) != 0x3180 && (code & 0xfff0) != 0x3190
|
&& (code & 0xfff0) != 0x31a0 && (code & 0xfff0) != 0x31c0
|
&& (code & 0xfff0) != 0x31a0 && (code & 0xfff0) != 0x31c0
|
&& (code & 0xfff0) != 0x31d0 && (code & 0xfff0) != 0x31e0
|
&& (code & 0xfff0) != 0x31d0 && (code & 0xfff0) != 0x31e0
|
/* Or a Co-processor branch ('bcop'). */
|
/* Or a Co-processor branch ('bcop'). */
|
&& (code & 0xfff0) != 0x3010 && (code & 0xfff0) != 0x3110)
|
&& (code & 0xfff0) != 0x3010 && (code & 0xfff0) != 0x3110)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, 0x30, contents + irel->r_offset + 1);
|
bfd_put_8 (abfd, 0x30, contents + irel->r_offset + 1);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_CRX_REL8_CMP);
|
R_CRX_REL8_CMP);
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
irel->r_offset + 4, 2))
|
irel->r_offset + 4, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = TRUE;
|
*again = TRUE;
|
}
|
}
|
}
|
}
|
|
|
/* Try to turn a 32bit immediate address into
|
/* Try to turn a 32bit immediate address into
|
a 16bit immediate address. */
|
a 16bit immediate address. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_IMM32)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_CRX_IMM32)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* See if the value will fit in 16 bits. */
|
/* See if the value will fit in 16 bits. */
|
if ((long) value < 0x7fff && (long) value > -0x8000)
|
if ((long) value < 0x7fff && (long) value > -0x8000)
|
{
|
{
|
unsigned short code;
|
unsigned short code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
code = (unsigned short) bfd_get_16 (abfd, contents + irel->r_offset);
|
|
|
/* Verify it's a 'arithmetic double'. */
|
/* Verify it's a 'arithmetic double'. */
|
if ((code & 0xf0f0) != 0x20f0)
|
if ((code & 0xf0f0) != 0x20f0)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, (code & 0xff) - 0x10, contents + irel->r_offset);
|
bfd_put_8 (abfd, (code & 0xff) - 0x10, contents + irel->r_offset);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_CRX_IMM16);
|
R_CRX_IMM16);
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
|
irel->r_offset + 2, 2))
|
irel->r_offset + 2, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = TRUE;
|
*again = TRUE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (isymbuf);
|
free (isymbuf);
|
else
|
else
|
{
|
{
|
/* Cache the symbols for elf_link_input_bfd. */
|
/* Cache the symbols for elf_link_input_bfd. */
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
}
|
}
|
}
|
}
|
|
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (contents);
|
free (contents);
|
else
|
else
|
{
|
{
|
/* Cache the section contents for elf_link_input_bfd. */
|
/* Cache the section contents for elf_link_input_bfd. */
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
}
|
}
|
}
|
}
|
|
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
|
|
return TRUE;
|
return TRUE;
|
|
|
error_return:
|
error_return:
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
free (isymbuf);
|
free (isymbuf);
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
&& elf_section_data (sec)->this_hdr.contents != contents)
|
free (contents);
|
free (contents);
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
&& elf_section_data (sec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Definitions for setting CRX target vector. */
|
/* Definitions for setting CRX target vector. */
|
#define TARGET_LITTLE_SYM bfd_elf32_crx_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_crx_vec
|
#define TARGET_LITTLE_NAME "elf32-crx"
|
#define TARGET_LITTLE_NAME "elf32-crx"
|
#define ELF_ARCH bfd_arch_crx
|
#define ELF_ARCH bfd_arch_crx
|
#define ELF_MACHINE_CODE EM_CRX
|
#define ELF_MACHINE_CODE EM_CRX
|
#define ELF_MAXPAGESIZE 0x1
|
#define ELF_MAXPAGESIZE 0x1
|
#define elf_symbol_leading_char '_'
|
#define elf_symbol_leading_char '_'
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup elf_crx_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup elf_crx_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup \
|
#define bfd_elf32_bfd_reloc_name_lookup \
|
elf_crx_reloc_name_lookup
|
elf_crx_reloc_name_lookup
|
#define elf_info_to_howto elf_crx_info_to_howto
|
#define elf_info_to_howto elf_crx_info_to_howto
|
#define elf_info_to_howto_rel 0
|
#define elf_info_to_howto_rel 0
|
#define elf_backend_relocate_section elf32_crx_relocate_section
|
#define elf_backend_relocate_section elf32_crx_relocate_section
|
#define bfd_elf32_bfd_relax_section elf32_crx_relax_section
|
#define bfd_elf32_bfd_relax_section elf32_crx_relax_section
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
elf32_crx_get_relocated_section_contents
|
elf32_crx_get_relocated_section_contents
|
#define elf_backend_can_gc_sections 1
|
#define elf_backend_can_gc_sections 1
|
#define elf_backend_rela_normal 1
|
#define elf_backend_rela_normal 1
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
