X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Felf32-d10v.c;h=9f921c907ac993d7f3a2800a9b27dc7bcd03d430;hb=4636b7db71d4ca8ccf999a837e932ee1d009ad42;hp=1dec0b08a131189f1a6d3d3ed7317bd92e8bfbbb;hpb=1e2f5b6e6b11ff65094876b8a8066a59a880a56d;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-d10v.c b/bfd/elf32-d10v.c index 1dec0b08a1..9f921c907a 100644 --- a/bfd/elf32-d10v.c +++ b/bfd/elf32-d10v.c @@ -1,316 +1,283 @@ /* D10V-specific support for 32-bit ELF - Copyright 1996, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1996-2020 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 3 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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" +#include "bfd.h" #include "libbfd.h" #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 *, Elf32_Internal_Rel *)); -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 boolean elf32_d10v_gc_sweep_hook - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static boolean elf32_d10v_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static 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 +#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. */ + 3, /* Size (0 = byte, 1 = short, 2 = long). */ + 0, /* 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). */ + 8, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* 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). */ + 8, /* Bitsize. */ + TRUE, /* PC_relative. */ + 15, /* Bitpos. */ + complain_overflow_signed, /* 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). */ + 16, /* Bitsize. */ + TRUE, /* PC_relative. */ + 0, /* Bitpos. */ + complain_overflow_signed, /* 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; +} + +static reloc_howto_type * +bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < sizeof (elf_d10v_howto_table) / sizeof (elf_d10v_howto_table[0]); + i++) + if (elf_d10v_howto_table[i].name != NULL + && strcasecmp (elf_d10v_howto_table[i].name, r_name) == 0) + return &elf_d10v_howto_table[i]; return NULL; } /* 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; - Elf32_Internal_Rel *dst; +static bfd_boolean +d10v_info_to_howto_rel (bfd *abfd, + arelent *cache_ptr, + Elf_Internal_Rela *dst) { unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); - BFD_ASSERT (r_type < (unsigned int) R_D10V_max); + if (r_type >= (unsigned int) R_D10V_max) + { + /* xgettext:c-format */ + _bfd_error_handler (_("%pB: unsupported relocation type %#x"), + abfd, r_type); + bfd_set_error (bfd_error_bad_value); + return FALSE; + } cache_ptr->howto = &elf_d10v_howto_table[r_type]; + return TRUE; } 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, + Elf_Internal_Rela *rel, + struct elf_link_hash_entry *h, + Elf_Internal_Sym *sym) { if (h != NULL) - { - switch (ELF32_R_TYPE (rel->r_info)) + switch (ELF32_R_TYPE (rel->r_info)) { case R_D10V_GNU_VTINHERIT: case R_D10V_GNU_VTENTRY: - break; - - default: - switch (h->root.type) - { - case bfd_link_hash_defined: - case bfd_link_hash_defweak: - return h->root.u.def.section; - - case bfd_link_hash_common: - return h->root.u.c.p->section; - - default: - break; - } - } - } - else - return bfd_section_from_elf_index (sec->owner, sym->st_shndx); - - return NULL; -} + return NULL; + } -static 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; -{ - /* we don't use got and plt entries for d10v */ - return true; + return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); } /* Look through the relocs for a section during the first phase. Since we don't do .gots or .plts, we just need to consider the virtual table relocs for gc. */ -static boolean -elf32_d10v_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; +static bfd_boolean +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; + struct elf_link_hash_entry **sym_hashes; const Elf_Internal_Rela *rel; const Elf_Internal_Rela *rel_end; - if (info->relocateable) - return true; + if (bfd_link_relocatable (info)) + return TRUE; symtab_hdr = &elf_tdata (abfd)->symtab_hdr; sym_hashes = elf_sym_hashes (abfd); - sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym); - if (!elf_bad_symtab (abfd)) - sym_hashes_end -= symtab_hdr->sh_info; rel_end = relocs + sec->reloc_count; for (rel = relocs; rel < rel_end; rel++) @@ -320,43 +287,114 @@ elf32_d10v_check_relocs (abfd, info, sec, relocs) r_symndx = ELF32_R_SYM (rel->r_info); if (r_symndx < symtab_hdr->sh_info) - h = NULL; + h = NULL; else - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + { + h = sym_hashes[r_symndx - symtab_hdr->sh_info]; + while (h->root.type == bfd_link_hash_indirect + || h->root.type == bfd_link_hash_warning) + h = (struct elf_link_hash_entry *) h->root.u.i.link; + } switch (ELF32_R_TYPE (rel->r_info)) - { - /* This relocation describes the C++ object vtable hierarchy. - Reconstruct it for later use during GC. */ - case R_D10V_GNU_VTINHERIT: - if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return false; - break; - - /* This relocation describes which C++ vtable entries are actually - used. Record for later use during GC. */ - case R_D10V_GNU_VTENTRY: - if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset)) - return false; - break; - } + { + /* This relocation describes the C++ object vtable hierarchy. + Reconstruct it for later use during GC. */ + case R_D10V_GNU_VTINHERIT: + if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) + return FALSE; + break; + + /* This relocation describes which C++ vtable entries are actually + used. Record for later use during GC. */ + case R_D10V_GNU_VTENTRY: + if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset)) + return FALSE; + break; + } } - return true; + return TRUE; +} + +static bfd_vma +extract_rel_addend (bfd *abfd, + bfd_byte *where, + reloc_howto_type *howto) +{ + bfd_vma insn, val; + + switch (howto->size) + { + case 0: + insn = bfd_get_8 (abfd, where); + break; + case 1: + insn = bfd_get_16 (abfd, where); + break; + case 2: + insn = bfd_get_32 (abfd, where); + break; + default: + abort (); + } + + val = (insn & howto->dst_mask) >> howto->bitpos << howto->rightshift; + /* We should really be testing for signed addends here, but we don't + have that info directly in the howto. */ + if (howto->pc_relative) + { + bfd_vma sign; + sign = howto->dst_mask & (~howto->dst_mask >> 1 | ~(-(bfd_vma) 1 >> 1)); + sign = sign >> howto->bitpos << howto->rightshift; + val = (val ^ sign) - sign; + } + return val; +} + +static void +insert_rel_addend (bfd *abfd, + bfd_byte *where, + reloc_howto_type *howto, + bfd_vma addend) +{ + bfd_vma insn; + + addend = (addend >> howto->rightshift << howto->bitpos) & howto->dst_mask; + insn = ~howto->dst_mask; + switch (howto->size) + { + case 0: + insn &= bfd_get_8 (abfd, where); + insn |= addend; + bfd_put_8 (abfd, insn, where); + break; + case 1: + insn &= bfd_get_16 (abfd, where); + insn |= addend; + bfd_put_16 (abfd, insn, where); + break; + case 2: + insn &= bfd_get_32 (abfd, where); + insn |= addend; + bfd_put_32 (abfd, insn, where); + break; + default: + abort (); + } } /* Relocate a D10V ELF section. */ -static 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; + +static bfd_boolean +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; @@ -383,31 +421,10 @@ 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 ) - continue; + || r_type == R_D10V_GNU_VTINHERIT) + continue; howto = elf_d10v_howto_table + r_type; - - if (info->relocateable) - { - /* This is a relocateable link. We don't have to change - anything, unless the reloc is against a section symbol, - in which case we have to adjust according to where the - section symbol winds up in the output section. */ - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - sec = local_sections[r_symndx]; - rel->r_addend += sec->output_offset + sym->st_value; - } - } - - continue; - } - - /* This is a final link. */ h = NULL; sym = NULL; sec = NULL; @@ -415,34 +432,49 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, { sym = local_syms + r_symndx; sec = local_sections[r_symndx]; - relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); + relocation = (sec->output_section->vma + + sec->output_offset + + sym->st_value); + if (ELF_ST_TYPE (sym->st_info) == STT_SECTION + && ((sec->flags & SEC_MERGE) != 0 + || (bfd_link_relocatable (info) + && sec->output_offset != 0))) + { + bfd_vma addend; + bfd_byte *where = contents + rel->r_offset; + + addend = extract_rel_addend (input_bfd, where, howto); + + if (bfd_link_relocatable (info)) + addend += sec->output_offset; + else + { + asection *msec = sec; + addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, + addend); + addend -= relocation; + addend += msec->output_section->vma + msec->output_offset; + } + insert_rel_addend (input_bfd, where, howto, addend); + } } else { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; - else - { - if (!((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, true))) - return false; - relocation = 0; - } + bfd_boolean unresolved_reloc, warned, ignored; + + RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, + r_symndx, symtab_hdr, sym_hashes, + h, sec, relocation, + unresolved_reloc, warned, ignored); } + if (sec != NULL && discarded_section (sec)) + RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, + rel, 1, relend, howto, 0, contents); + + if (bfd_link_relocatable (info)) + continue; + if (h != NULL) name = h->root.root.string; else @@ -450,12 +482,12 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, name = (bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name)); if (name == NULL || *name == '\0') - name = bfd_section_name (input_bfd, sec); + name = bfd_section_name (sec); } r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); + contents, rel->r_offset, + relocation, (bfd_vma) 0); if (r != bfd_reloc_ok) { @@ -464,17 +496,14 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, switch (r) { case bfd_reloc_overflow: - if (!((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return false; + (*info->callbacks->reloc_overflow) + (info, (h ? &h->root : NULL), name, howto->name, + (bfd_vma) 0, input_bfd, input_section, rel->r_offset); break; case bfd_reloc_undefined: - if (!((*info->callbacks->undefined_symbol) - (info, name, input_bfd, input_section, - rel->r_offset, true))) - return false; + (*info->callbacks->undefined_symbol) + (info, name, input_bfd, input_section, rel->r_offset, TRUE); break; case bfd_reloc_outofrange: @@ -494,33 +523,29 @@ elf32_d10v_relocate_section (output_bfd, info, input_bfd, input_section, /* fall through */ common_error: - if (!((*info->callbacks->warning) - (info, msg, name, input_bfd, input_section, - rel->r_offset))) - return false; + (*info->callbacks->warning) (info, msg, name, input_bfd, + input_section, rel->r_offset); break; } } } - return true; + return TRUE; } #define ELF_ARCH bfd_arch_d10v #define ELF_MACHINE_CODE EM_D10V #define ELF_MACHINE_ALT1 EM_CYGNUS_D10V #define ELF_MAXPAGESIZE 0x1000 -#define TARGET_BIG_SYM bfd_elf32_d10v_vec +#define TARGET_BIG_SYM d10v_elf32_vec #define TARGET_BIG_NAME "elf32-d10v" -#define elf_info_to_howto 0 -#define elf_info_to_howto_rel d10v_info_to_howto_rel -#define elf_backend_object_p 0 -#define elf_backend_final_write_processing 0 -#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook -#define elf_backend_gc_sweep_hook elf32_d10v_gc_sweep_hook -#define elf_backend_check_relocs elf32_d10v_check_relocs -#define elf_backend_relocate_section elf32_d10v_relocate_section -#define elf_backend_can_gc_sections 1 +#define elf_info_to_howto NULL +#define elf_info_to_howto_rel d10v_info_to_howto_rel +#define elf_backend_object_p 0 +#define elf_backend_gc_mark_hook elf32_d10v_gc_mark_hook +#define elf_backend_check_relocs elf32_d10v_check_relocs +#define elf_backend_relocate_section elf32_d10v_relocate_section +#define elf_backend_can_gc_sections 1 #include "elf32-target.h"