diff options
Diffstat (limited to 'bfd/elf32-d10v.c')
| -rw-r--r-- | bfd/elf32-d10v.c | 441 |
1 files changed, 204 insertions, 237 deletions
diff --git a/bfd/elf32-d10v.c b/bfd/elf32-d10v.c index 6d5c5d2..a0e506a 100644 --- a/bfd/elf32-d10v.c +++ b/bfd/elf32-d10v.c @@ -1,23 +1,24 @@ /* D10V-specific support for 32-bit ELF - Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Contributed by Martin Hunt (hunt@cygnus.com). -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include "bfd.h" #include "sysdep.h" @@ -25,206 +26,179 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #include "elf-bfd.h" #include "elf/d10v.h" -static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup - PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); -static void d10v_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); -static asection * elf32_d10v_gc_mark_hook - PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, - struct elf_link_hash_entry *, Elf_Internal_Sym *)); -static bfd_boolean elf32_d10v_gc_sweep_hook - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static bfd_boolean elf32_d10v_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static bfd_vma extract_rel_addend - PARAMS ((bfd *, bfd_byte *, reloc_howto_type *)); -static void insert_rel_addend - PARAMS ((bfd *, bfd_byte *, reloc_howto_type *, bfd_vma)); -static bfd_boolean elf32_d10v_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, - bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, - asection **)); - /* Use REL instead of RELA to save space. */ #define USE_REL 1 static reloc_howto_type elf_d10v_howto_table[] = - { - /* This reloc does nothing. */ - HOWTO (R_D10V_NONE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* An PC Relative 10-bit relocation, shifted by 2 */ - /* right container */ - HOWTO (R_D10V_10_PCREL_R, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 7, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_10_PCREL_R", /* name */ - FALSE, /* partial_inplace */ - 0xff, /* src_mask */ - 0xff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* An PC Relative 10-bit relocation, shifted by 2 */ - /* left container */ - HOWTO (R_D10V_10_PCREL_L, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 7, /* bitsize */ - TRUE, /* pc_relative */ - 15, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_10_PCREL_L", /* name */ - FALSE, /* partial_inplace */ - 0x07f8000, /* src_mask */ - 0x07f8000, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* A 16 bit absolute relocation */ - HOWTO (R_D10V_16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_16", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* An 18 bit absolute relocation, right shifted 2 */ - HOWTO (R_D10V_18, /* type */ - 2, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_18", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A relative 18 bit relocation, right shifted by 2 */ - HOWTO (R_D10V_18_PCREL, /* type */ - 2, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 15, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_18_PCREL", /* name */ - FALSE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* A 32 bit absolute relocation */ - HOWTO (R_D10V_32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_D10V_32", /* name */ - FALSE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_D10V_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - NULL, /* special_function */ - "R_D10V_GNU_VTINHERIT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable member usage */ - HOWTO (R_D10V_GNU_VTENTRY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - _bfd_elf_rel_vtable_reloc_fn, /* special_function */ - "R_D10V_GNU_VTENTRY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - }; +{ + /* This reloc does nothing. */ + HOWTO (R_D10V_NONE, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_NONE", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* An PC Relative 10-bit relocation, shifted by 2, right container. */ + HOWTO (R_D10V_10_PCREL_R, /* Type. */ + 2, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 7, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_10_PCREL_R", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xff, /* Src_mask. */ + 0xff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* An PC Relative 10-bit relocation, shifted by 2, left container. */ + HOWTO (R_D10V_10_PCREL_L, /* Type. */ + 2, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 7, /* Bitsize. */ + TRUE, /* PC_relative. */ + 15, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_10_PCREL_L", /* Name. */ + FALSE, /* Partial_inplace. */ + 0x07f8000, /* Src_mask. */ + 0x07f8000, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A 16 bit absolute relocation. */ + HOWTO (R_D10V_16, /* Type. */ + 0, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_16", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* An 18 bit absolute relocation, right shifted 2. */ + HOWTO (R_D10V_18, /* Type. */ + 2, /* Rightshift. */ + 1, /* Size (0 = byte, 1 = short, 2 = long). */ + 16, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_18", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* A relative 18 bit relocation, right shifted by 2. */ + HOWTO (R_D10V_18_PCREL, /* Type. */ + 2, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 15, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_bitfield, /* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_18_PCREL", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffff, /* Src_mask. */ + 0xffff, /* Dst_mask. */ + TRUE), /* PCrel_offset. */ + + /* A 32 bit absolute relocation. */ + HOWTO (R_D10V_32, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 32, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + bfd_elf_generic_reloc, /* Special_function. */ + "R_D10V_32", /* Name. */ + FALSE, /* Partial_inplace. */ + 0xffffffff, /* Src_mask. */ + 0xffffffff, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable hierarchy. */ + HOWTO (R_D10V_GNU_VTINHERIT, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + NULL, /* Special_function. */ + "R_D10V_GNU_VTINHERIT",/* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ + + /* GNU extension to record C++ vtable member usage. */ + HOWTO (R_D10V_GNU_VTENTRY, /* Type. */ + 0, /* Rightshift. */ + 2, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* Bitsize. */ + FALSE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_dont,/* Complain_on_overflow. */ + _bfd_elf_rel_vtable_reloc_fn, /* Special_function. */ + "R_D10V_GNU_VTENTRY", /* Name. */ + FALSE, /* Partial_inplace. */ + 0, /* Src_mask. */ + 0, /* Dst_mask. */ + FALSE), /* PCrel_offset. */ +}; /* Map BFD reloc types to D10V ELF reloc types. */ struct d10v_reloc_map - { - bfd_reloc_code_real_type bfd_reloc_val; - unsigned char elf_reloc_val; - }; +{ + bfd_reloc_code_real_type bfd_reloc_val; + unsigned char elf_reloc_val; +}; static const struct d10v_reloc_map d10v_reloc_map[] = - { - { BFD_RELOC_NONE, R_D10V_NONE, }, - { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R }, - { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L }, - { BFD_RELOC_16, R_D10V_16 }, - { BFD_RELOC_D10V_18, R_D10V_18 }, - { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL }, - { BFD_RELOC_32, R_D10V_32 }, - { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT }, - { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY }, - }; +{ + { BFD_RELOC_NONE, R_D10V_NONE, }, + { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R }, + { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L }, + { BFD_RELOC_16, R_D10V_16 }, + { BFD_RELOC_D10V_18, R_D10V_18 }, + { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL }, + { BFD_RELOC_32, R_D10V_32 }, + { BFD_RELOC_VTABLE_INHERIT, R_D10V_GNU_VTINHERIT }, + { BFD_RELOC_VTABLE_ENTRY, R_D10V_GNU_VTENTRY }, +}; static reloc_howto_type * -bfd_elf32_bfd_reloc_type_lookup (abfd, code) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; +bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) { unsigned int i; for (i = 0; i < sizeof (d10v_reloc_map) / sizeof (struct d10v_reloc_map); i++) - { - if (d10v_reloc_map[i].bfd_reloc_val == code) - return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val]; - } + if (d10v_reloc_map[i].bfd_reloc_val == code) + return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val]; return NULL; } @@ -232,10 +206,9 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) /* Set the howto pointer for an D10V ELF reloc. */ static void -d10v_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf_Internal_Rela *dst; +d10v_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; @@ -245,12 +218,11 @@ d10v_info_to_howto_rel (abfd, cache_ptr, dst) } static asection * -elf32_d10v_gc_mark_hook (sec, info, rel, h, sym) - asection *sec; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - Elf_Internal_Rela *rel; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; +elf32_d10v_gc_mark_hook (asection *sec, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + Elf_Internal_Rela *rel, + struct elf_link_hash_entry *h, + Elf_Internal_Sym *sym) { if (h != NULL) { @@ -282,13 +254,12 @@ elf32_d10v_gc_mark_hook (sec, info, rel, h, sym) } static bfd_boolean -elf32_d10v_gc_sweep_hook (abfd, info, sec, relocs) - bfd *abfd ATTRIBUTE_UNUSED; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - asection *sec ATTRIBUTE_UNUSED; - const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED; +elf32_d10v_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED, + asection *sec ATTRIBUTE_UNUSED, + const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED) { - /* we don't use got and plt entries for d10v */ + /* We don't use got and plt entries for d10v. */ return TRUE; } @@ -297,11 +268,10 @@ elf32_d10v_gc_sweep_hook (abfd, info, sec, relocs) virtual table relocs for gc. */ static bfd_boolean -elf32_d10v_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; +elf32_d10v_check_relocs (bfd *abfd, + struct bfd_link_info *info, + asection *sec, + const Elf_Internal_Rela *relocs) { Elf_Internal_Shdr *symtab_hdr; struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; @@ -356,10 +326,9 @@ elf32_d10v_check_relocs (abfd, info, sec, relocs) } static bfd_vma -extract_rel_addend (abfd, where, howto) - bfd *abfd; - bfd_byte *where; - reloc_howto_type *howto; +extract_rel_addend (bfd *abfd, + bfd_byte *where, + reloc_howto_type *howto) { bfd_vma insn, val; @@ -392,11 +361,10 @@ extract_rel_addend (abfd, where, howto) } static void -insert_rel_addend (abfd, where, howto, addend) - bfd *abfd; - bfd_byte *where; - reloc_howto_type *howto; - bfd_vma addend; +insert_rel_addend (bfd *abfd, + bfd_byte *where, + reloc_howto_type *howto, + bfd_vma addend) { bfd_vma insn; @@ -425,17 +393,16 @@ insert_rel_addend (abfd, where, howto, addend) } /* Relocate a D10V ELF section. */ + static bfd_boolean -elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd *output_bfd; - struct bfd_link_info *info; - bfd *input_bfd; - asection *input_section; - bfd_byte *contents; - Elf_Internal_Rela *relocs; - Elf_Internal_Sym *local_syms; - asection **local_sections; +elf32_d10v_relocate_section (bfd *output_bfd, + struct bfd_link_info *info, + bfd *input_bfd, + asection *input_section, + bfd_byte *contents, + Elf_Internal_Rela *relocs, + Elf_Internal_Sym *local_syms, + asection **local_sections) { Elf_Internal_Shdr *symtab_hdr; struct elf_link_hash_entry **sym_hashes; @@ -462,7 +429,7 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, r_type = ELF32_R_TYPE (rel->r_info); if (r_type == R_D10V_GNU_VTENTRY - || r_type == R_D10V_GNU_VTINHERIT ) + || r_type == R_D10V_GNU_VTINHERIT) continue; howto = elf_d10v_howto_table + r_type; @@ -552,7 +519,7 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, { case bfd_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, rel->r_offset))) return FALSE; 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