diff options
Diffstat (limited to 'bfd/elf32-d10v.c')
| -rw-r--r-- | bfd/elf32-d10v.c | 330 |
1 files changed, 171 insertions, 159 deletions
diff --git a/bfd/elf32-d10v.c b/bfd/elf32-d10v.c index 913e857..50f7da6 100644 --- a/bfd/elf32-d10v.c +++ b/bfd/elf32-d10v.c @@ -1,5 +1,5 @@ /* D10V-specific support for 32-bit ELF - Copyright 1996, 1998, 1999, 2000 Free Software Foundation, Inc. + Copyright 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. Contributed by Martin Hunt (hunt@cygnus.com). This file is part of BFD, the Binary File Descriptor library. @@ -28,171 +28,183 @@ 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 *)); - -/* Use REL instead of RELA to save space */ +static asection * elf32_d10v_gc_mark_hook + PARAMS ((bfd *, 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 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_bitfield, /* 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) */ - 10, /* 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) */ - 10, /* 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) */ - 18, /* 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) */ - 18, /* 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_bitfield, /* 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_bitfield, /* 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) */ + 10, /* 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) */ + 10, /* 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) */ + 18, /* 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) */ + 18, /* 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_bitfield, /* 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; -}; - - 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_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 }, + }; static reloc_howto_type * bfd_elf32_bfd_reloc_type_lookup (abfd, code) |