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Diffstat (limited to 'contrib/binutils/bfd/elf64-mips.c')
| -rw-r--r-- | contrib/binutils/bfd/elf64-mips.c | 2172 |
1 files changed, 2172 insertions, 0 deletions
diff --git a/contrib/binutils/bfd/elf64-mips.c b/contrib/binutils/bfd/elf64-mips.c new file mode 100644 index 0000000..c513dea --- /dev/null +++ b/contrib/binutils/bfd/elf64-mips.c @@ -0,0 +1,2172 @@ +/* MIPS-specific support for 64-bit ELF + Copyright 1996, 1997 Free Software Foundation, Inc. + Ian Lance Taylor, Cygnus Support + +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 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. */ + +/* This file supports the 64-bit MIPS ELF ABI. + + The MIPS 64-bit ELF ABI uses an unusual reloc format. This file + overrides the usual ELF reloc handling, and handles reading and + writing the relocations here. + + The MIPS 64-bit ELF ABI also uses an unusual archive map format. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "aout/ar.h" +#include "bfdlink.h" +#include "genlink.h" +#include "elf-bfd.h" +#include "elf/mips.h" + +/* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to + use ECOFF. However, we support it anyhow for an easier changeover. */ +#include "coff/sym.h" +#include "coff/symconst.h" +#include "coff/internal.h" +#include "coff/ecoff.h" +/* The 64 bit versions of the mdebug data structures are in alpha.h. */ +#include "coff/alpha.h" +#define ECOFF_64 +#include "ecoffswap.h" + +static void mips_elf64_swap_reloc_in + PARAMS ((bfd *, const Elf64_Mips_External_Rel *, + Elf64_Mips_Internal_Rel *)); +static void mips_elf64_swap_reloca_in + PARAMS ((bfd *, const Elf64_Mips_External_Rela *, + Elf64_Mips_Internal_Rela *)); +#if 0 +static void mips_elf64_swap_reloc_out + PARAMS ((bfd *, const Elf64_Mips_Internal_Rel *, + Elf64_Mips_External_Rel *)); +#endif +static void mips_elf64_swap_reloca_out + PARAMS ((bfd *, const Elf64_Mips_Internal_Rela *, + Elf64_Mips_External_Rela *)); +static reloc_howto_type *mips_elf64_reloc_type_lookup + PARAMS ((bfd *, bfd_reloc_code_real_type)); +static long mips_elf64_get_reloc_upper_bound PARAMS ((bfd *, asection *)); +static boolean mips_elf64_slurp_one_reloc_table + PARAMS ((bfd *, asection *, asymbol **, const Elf_Internal_Shdr *)); +static boolean mips_elf64_slurp_reloc_table + PARAMS ((bfd *, asection *, asymbol **, boolean)); +static void mips_elf64_write_relocs PARAMS ((bfd *, asection *, PTR)); +static boolean mips_elf64_section_from_shdr + PARAMS ((bfd *, Elf_Internal_Shdr *, char *)); +static boolean mips_elf64_section_processing + PARAMS ((bfd *, Elf_Internal_Shdr *)); +static boolean mips_elf64_slurp_armap PARAMS ((bfd *)); +static boolean mips_elf64_write_armap + PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); + +/* The relocation types. */ + +enum mips_elf64_reloc_type +{ + R_MIPS_NONE = 0, + R_MIPS_16 = 1, + R_MIPS_32 = 2, + R_MIPS_ADD = 2, + R_MIPS_REL32 = 3, + R_MIPS_REL = 3, + R_MIPS_26 = 4, + R_MIPS_HI16 = 5, + R_MIPS_LO16 = 6, + R_MIPS_GPREL16 = 7, + R_MIPS_GPREL = 7, + R_MIPS_LITERAL = 8, + R_MIPS_GOT16 = 9, + R_MIPS_GOT = 9, + R_MIPS_PC16 = 10, + R_MIPS_CALL16 = 11, + R_MIPS_CALL = 11, + R_MIPS_GPREL32 = 12, + R_MIPS_SHIFT5 = 16, + R_MIPS_SHIFT6 = 17, + R_MIPS_64 = 18, + R_MIPS_GOT_DISP = 19, + R_MIPS_GOT_PAGE = 20, + R_MIPS_GOT_OFST = 21, + R_MIPS_GOT_HI16 = 22, + R_MIPS_GOT_LO16 = 23, + R_MIPS_SUB = 24, + R_MIPS_INSERT_A = 25, + R_MIPS_INSERT_B = 26, + R_MIPS_DELETE = 27, + R_MIPS_HIGHER = 28, + R_MIPS_HIGHEST = 29, + R_MIPS_CALL_HI16 = 30, + R_MIPS_CALL_LO16 = 31, + R_MIPS_SCN_DISP = 32, + R_MIPS_REL16 = 33, + R_MIPS_ADD_IMMEDIATE = 34, + R_MIPS_PJUMP = 35, + R_MIPS_RELGOT = 36 +}; + +/* In case we're on a 32-bit machine, construct a 64-bit "-1" value + from smaller values. Start with zero, widen, *then* decrement. */ +#define MINUS_ONE (((bfd_vma)0) - 1) + +/* The relocation table used for SHT_REL sections. */ + +static reloc_howto_type mips_elf64_howto_table_rel[] = +{ + /* No relocation. */ + HOWTO (R_MIPS_NONE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_NONE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit relocation. */ + HOWTO (R_MIPS_16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit relocation. */ + HOWTO (R_MIPS_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_MIPS_32", /* name */ + true, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit symbol relative relocation. */ + HOWTO (R_MIPS_REL32, /* 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_MIPS_REL32", /* name */ + true, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 26 bit branch address. */ + HOWTO (R_MIPS_26, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + /* This needs complex overflow + detection, because the upper four + bits must match the PC. */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_26", /* name */ + true, /* partial_inplace */ + 0x3ffffff, /* src_mask */ + 0x3ffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of symbol value. */ + HOWTO (R_MIPS_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_hi16_reloc, /* special_function */ + "R_MIPS_HI16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of symbol value. */ + HOWTO (R_MIPS_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_lo16_reloc, /* special_function */ + "R_MIPS_LO16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* GP relative reference. */ + HOWTO (R_MIPS_GPREL16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_gprel16_reloc, /* special_function */ + "R_MIPS_GPREL16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to literal section. */ + HOWTO (R_MIPS_LITERAL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_gprel16_reloc, /* special_function */ + "R_MIPS_LITERAL", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to global offset table. */ + HOWTO (R_MIPS_GOT16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_got16_reloc, /* special_function */ + "R_MIPS_GOT16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit PC relative reference. */ + HOWTO (R_MIPS_PC16, /* type */ + 0, /* 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_MIPS_PC16", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit call through global offset table. */ + /* FIXME: This is not handled correctly. */ + HOWTO (R_MIPS_CALL16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_CALL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit GP relative reference. */ + HOWTO (R_MIPS_GPREL32, /* 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_mips_elf_gprel32_reloc, /* special_function */ + "R_MIPS_GPREL32", /* name */ + true, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + { 13 }, + { 14 }, + { 15 }, + + /* A 5 bit shift field. */ + HOWTO (R_MIPS_SHIFT5, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 5, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT5", /* name */ + true, /* partial_inplace */ + 0x000007c0, /* src_mask */ + 0x000007c0, /* dst_mask */ + false), /* pcrel_offset */ + + /* A 6 bit shift field. */ + /* FIXME: This is not handled correctly; a special function is + needed to put the most significant bit in the right place. */ + HOWTO (R_MIPS_SHIFT6, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 6, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT6", /* name */ + true, /* partial_inplace */ + 0x000007c4, /* src_mask */ + 0x000007c4, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit relocation. */ + HOWTO (R_MIPS_64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_64", /* name */ + true, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_DISP, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_DISP", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement to page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_PAGE, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_PAGE", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Offset from page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_OFST, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_OFST", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_HI16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_GOT_HI16", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_LO16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_GOT_LO16", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit substraction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_SUB, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SUB", /* name */ + true, /* partial_inplace */ + MINUS_ONE, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_A, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_INSERT_A", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction, and change all relocations + to refer to the old instruction at the address. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_B, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_INSERT_B", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Delete a 32 bit instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_DELETE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_DELETE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the higher value of a 64 bit addend. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_HIGHER, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_HIGHER", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the highest value of a 64 bit addend. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_HIGHEST, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_HIGHEST", /* name */ + true, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_HI16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_CALL_HI16", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_LO16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_CALL_LO16", /* name */ + true, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* I'm not sure what the remaining relocs are, but they are defined + on Irix 6. */ + + HOWTO (R_MIPS_SCN_DISP, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_SCN_DISP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_REL16, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_REL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_ADD_IMMEDIATE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_PJUMP, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_PJUMP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_RELGOT, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_RELGOT", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false) /* pcrel_offset */ +}; + +/* The relocation table used for SHT_RELA sections. */ + +static reloc_howto_type mips_elf64_howto_table_rela[] = +{ + /* No relocation. */ + HOWTO (R_MIPS_NONE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_NONE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit relocation. */ + HOWTO (R_MIPS_16, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit relocation. */ + HOWTO (R_MIPS_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_MIPS_32", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit symbol relative relocation. */ + HOWTO (R_MIPS_REL32, /* 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_MIPS_REL32", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 26 bit branch address. */ + HOWTO (R_MIPS_26, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + /* This needs complex overflow + detection, because the upper four + bits must match the PC. */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_26", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x3ffffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of symbol value. */ + HOWTO (R_MIPS_HI16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_HI16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of symbol value. */ + HOWTO (R_MIPS_LO16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_LO16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* GP relative reference. */ + HOWTO (R_MIPS_GPREL16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_gprel16_reloc, /* special_function */ + "R_MIPS_GPREL16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to literal section. */ + HOWTO (R_MIPS_LITERAL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_gprel16_reloc, /* special_function */ + "R_MIPS_LITERAL", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Reference to global offset table. */ + /* FIXME: This is not handled correctly. */ + HOWTO (R_MIPS_GOT16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit PC relative reference. */ + HOWTO (R_MIPS_PC16, /* type */ + 0, /* 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_MIPS_PC16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 16 bit call through global offset table. */ + /* FIXME: This is not handled correctly. */ + HOWTO (R_MIPS_CALL16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_CALL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 32 bit GP relative reference. */ + HOWTO (R_MIPS_GPREL32, /* 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_mips_elf_gprel32_reloc, /* special_function */ + "R_MIPS_GPREL32", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffffffff, /* dst_mask */ + false), /* pcrel_offset */ + + { 13 }, + { 14 }, + { 15 }, + + /* A 5 bit shift field. */ + HOWTO (R_MIPS_SHIFT5, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 5, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT5", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x000007c0, /* dst_mask */ + false), /* pcrel_offset */ + + /* A 6 bit shift field. */ + /* FIXME: This is not handled correctly; a special function is + needed to put the most significant bit in the right place. */ + HOWTO (R_MIPS_SHIFT6, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 6, /* bitsize */ + false, /* pc_relative */ + 6, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SHIFT6", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x000007c4, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit relocation. */ + HOWTO (R_MIPS_64, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_64", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_DISP, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_DISP", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Displacement to page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_PAGE, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_PAGE", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Offset from page pointer in the global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_OFST, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_GOT_OFST", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_HI16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_GOT_HI16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_GOT_LO16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_GOT_LO16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* 64 bit substraction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_SUB, /* type */ + 0, /* rightshift */ + 4, /* size (0 = byte, 1 = short, 2 = long) */ + 64, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_SUB", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_A, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_INSERT_A", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Insert the addend as an instruction, and change all relocations + to refer to the old instruction at the address. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_INSERT_B, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_INSERT_B", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Delete a 32 bit instruction. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_DELETE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_DELETE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the higher value of a 64 bit addend. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_HIGHER, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_HIGHER", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Get the highest value of a 64 bit addend. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_HIGHEST, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_HIGHEST", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0xffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* High 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_HI16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_CALL_HI16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* Low 16 bits of displacement in global offset table. */ + /* FIXME: Not handled correctly. */ + HOWTO (R_MIPS_CALL_LO16, /* type */ + 0, /* rightshift */ + 2, /* 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_MIPS_CALL_LO16", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + 0x0000ffff, /* dst_mask */ + false), /* pcrel_offset */ + + /* I'm not sure what the remaining relocs are, but they are defined + on Irix 6. */ + + HOWTO (R_MIPS_SCN_DISP, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_SCN_DISP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_REL16, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_REL16", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_ADD_IMMEDIATE", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_PJUMP, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_PJUMP", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_MIPS_RELGOT, /* type */ + 0, /* rightshift */ + 0, /* 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_MIPS_RELGOT", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + false) /* pcrel_offset */ +}; + +/* Swap in a MIPS 64-bit Rel reloc. */ + +static void +mips_elf64_swap_reloc_in (abfd, src, dst) + bfd *abfd; + const Elf64_Mips_External_Rel *src; + Elf64_Mips_Internal_Rel *dst; +{ + dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset); + dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym); + dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym); + dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3); + dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2); + dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type); +} + +/* Swap in a MIPS 64-bit Rela reloc. */ + +static void +mips_elf64_swap_reloca_in (abfd, src, dst) + bfd *abfd; + const Elf64_Mips_External_Rela *src; + Elf64_Mips_Internal_Rela *dst; +{ + dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset); + dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym); + dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym); + dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3); + dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2); + dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type); + dst->r_addend = bfd_h_get_signed_64 (abfd, (bfd_byte *) src->r_addend); +} + +#if 0 + +/* This is not currently used. */ + +/* Swap out a MIPS 64-bit Rel reloc. */ + +static void +mips_elf64_swap_reloc_out (abfd, src, dst) + bfd *abfd; + const Elf64_Mips_Internal_Rel *src; + Elf64_Mips_External_Rel *dst; +{ + bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset); + bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym); + bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym); + bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3); + bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2); + bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type); +} + +#endif /* 0 */ + +/* Swap out a MIPS 64-bit Rela reloc. */ + +static void +mips_elf64_swap_reloca_out (abfd, src, dst) + bfd *abfd; + const Elf64_Mips_Internal_Rela *src; + Elf64_Mips_External_Rela *dst; +{ + bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset); + bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym); + bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym); + bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3); + bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2); + bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type); + bfd_h_put_64 (abfd, src->r_addend, (bfd_byte *) dst->r_addend); +} + +/* A mapping from BFD reloc types to MIPS ELF reloc types. */ + +struct elf_reloc_map +{ + bfd_reloc_code_real_type bfd_reloc_val; + enum mips_elf64_reloc_type elf_reloc_val; +}; + +static CONST struct elf_reloc_map mips_reloc_map[] = +{ + { BFD_RELOC_NONE, R_MIPS_NONE, }, + { BFD_RELOC_16, R_MIPS_16 }, + { BFD_RELOC_32, R_MIPS_32 }, + { BFD_RELOC_64, R_MIPS_64 }, + { BFD_RELOC_CTOR, R_MIPS_64 }, + { BFD_RELOC_32_PCREL, R_MIPS_REL32 }, + { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, + { BFD_RELOC_HI16_S, R_MIPS_HI16 }, + { BFD_RELOC_LO16, R_MIPS_LO16 }, + { BFD_RELOC_MIPS_GPREL, R_MIPS_GPREL16 }, + { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, + { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, + { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, + { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, + { BFD_RELOC_MIPS_GPREL32, R_MIPS_GPREL32 }, + { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, + { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, + { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, + { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 } +}; + +/* Given a BFD reloc type, return a howto structure. */ + +static reloc_howto_type * +mips_elf64_reloc_type_lookup (abfd, code) + bfd *abfd; + bfd_reloc_code_real_type code; +{ + unsigned int i; + + for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) + { + if (mips_reloc_map[i].bfd_reloc_val == code) + { + int v; + + v = (int) mips_reloc_map[i].elf_reloc_val; + return &mips_elf64_howto_table_rel[v]; + } + } + + return NULL; +} + +/* Since each entry in an SHT_REL or SHT_RELA section can represent up + to three relocs, we must tell the user to allocate more space. */ + +static long +mips_elf64_get_reloc_upper_bound (abfd, sec) + bfd *abfd; + asection *sec; +{ + return (sec->reloc_count * 3 + 1) * sizeof (arelent *); +} + +/* Read the relocations from one reloc section. */ + +static boolean +mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr) + bfd *abfd; + asection *asect; + asymbol **symbols; + const Elf_Internal_Shdr *rel_hdr; +{ + PTR allocated = NULL; + bfd_byte *native_relocs; + arelent *relents; + arelent *relent; + unsigned int count; + unsigned int i; + int entsize; + reloc_howto_type *howto_table; + + allocated = (PTR) bfd_malloc (rel_hdr->sh_size); + if (allocated == NULL) + goto error_return; + + if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 + || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd) != rel_hdr->sh_size)) + goto error_return; + + native_relocs = (bfd_byte *) allocated; + + relents = asect->relocation + asect->reloc_count; + + entsize = rel_hdr->sh_entsize; + BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) + || entsize == sizeof (Elf64_Mips_External_Rela)); + + count = rel_hdr->sh_size / entsize; + + if (entsize == sizeof (Elf64_Mips_External_Rel)) + howto_table = mips_elf64_howto_table_rel; + else + howto_table = mips_elf64_howto_table_rela; + + relent = relents; + for (i = 0; i < count; i++, native_relocs += entsize) + { + Elf64_Mips_Internal_Rela rela; + boolean used_sym, used_ssym; + int ir; + + if (entsize == sizeof (Elf64_Mips_External_Rela)) + mips_elf64_swap_reloca_in (abfd, + (Elf64_Mips_External_Rela *) native_relocs, + &rela); + else + { + Elf64_Mips_Internal_Rel rel; + + mips_elf64_swap_reloc_in (abfd, + (Elf64_Mips_External_Rel *) native_relocs, + &rel); + rela.r_offset = rel.r_offset; + rela.r_sym = rel.r_sym; + rela.r_ssym = rel.r_ssym; + rela.r_type3 = rel.r_type3; + rela.r_type2 = rel.r_type2; + rela.r_type = rel.r_type; + rela.r_addend = 0; + } + + /* Each entry represents up to three actual relocations. */ + + used_sym = false; + used_ssym = false; + for (ir = 0; ir < 3; ir++) + { + enum mips_elf64_reloc_type type; + + switch (ir) + { + default: + abort (); + case 0: + type = (enum mips_elf64_reloc_type) rela.r_type; + break; + case 1: + type = (enum mips_elf64_reloc_type) rela.r_type2; + break; + case 2: + type = (enum mips_elf64_reloc_type) rela.r_type3; + break; + } + + if (type == R_MIPS_NONE) + { + /* There are no more relocations in this entry. If this + is the first entry, we need to generate a dummy + relocation so that the generic linker knows that + there has been a break in the sequence of relocations + applying to a particular address. */ + if (ir == 0) + { + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) + relent->address = rela.r_offset; + else + relent->address = rela.r_offset - asect->vma; + relent->addend = 0; + relent->howto = &howto_table[(int) R_MIPS_NONE]; + ++relent; + } + break; + } + + /* Some types require symbols, whereas some do not. */ + switch (type) + { + case R_MIPS_NONE: + case R_MIPS_LITERAL: + case R_MIPS_INSERT_A: + case R_MIPS_INSERT_B: + case R_MIPS_DELETE: + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + break; + + default: + if (! used_sym) + { + if (rela.r_sym == 0) + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + else + { + asymbol **ps, *s; + + ps = symbols + rela.r_sym - 1; + s = *ps; + if ((s->flags & BSF_SECTION_SYM) == 0) + relent->sym_ptr_ptr = ps; + else + relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; + } + + used_sym = true; + } + else if (! used_ssym) + { + switch (rela.r_ssym) + { + case RSS_UNDEF: + relent->sym_ptr_ptr = + bfd_abs_section_ptr->symbol_ptr_ptr; + break; + + case RSS_GP: + case RSS_GP0: + case RSS_LOC: + /* FIXME: I think these need to be handled using + special howto structures. */ + BFD_ASSERT (0); + break; + + default: + BFD_ASSERT (0); + break; + } + + used_ssym = true; + } + else + relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; + + break; + } + + /* The address of an ELF reloc is section relative for an + object file, and absolute for an executable file or + shared library. The address of a BFD reloc is always + section relative. */ + if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) + relent->address = rela.r_offset; + else + relent->address = rela.r_offset - asect->vma; + + relent->addend = rela.r_addend; + + relent->howto = &howto_table[(int) type]; + + ++relent; + } + } + + asect->reloc_count += relent - relents; + + if (allocated != NULL) + free (allocated); + + return true; + + error_return: + if (allocated != NULL) + free (allocated); + return false; +} + +/* Read the relocations. On Irix 6, there can be two reloc sections + associated with a single data section. */ + +static boolean +mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic) + bfd *abfd; + asection *asect; + asymbol **symbols; + boolean dynamic; +{ + struct bfd_elf_section_data * const d = elf_section_data (asect); + + if (dynamic) + { + bfd_set_error (bfd_error_invalid_operation); + return false; + } + + if (asect->relocation != NULL + || (asect->flags & SEC_RELOC) == 0 + || asect->reloc_count == 0) + return true; + + /* Allocate space for 3 arelent structures for each Rel structure. */ + asect->relocation = ((arelent *) + bfd_alloc (abfd, + asect->reloc_count * 3 * sizeof (arelent))); + if (asect->relocation == NULL) + return false; + + /* The slurp_one_reloc_table routine increments reloc_count. */ + asect->reloc_count = 0; + + if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, &d->rel_hdr)) + return false; + if (d->rel_hdr2 != NULL) + { + if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, + d->rel_hdr2)) + return false; + } + + return true; +} + +/* Write out the relocations. */ + +static void +mips_elf64_write_relocs (abfd, sec, data) + bfd *abfd; + asection *sec; + PTR data; +{ + boolean *failedp = (boolean *) data; + unsigned int count; + Elf_Internal_Shdr *rela_hdr; + Elf64_Mips_External_Rela *ext_rela; + unsigned int idx; + asymbol *last_sym = 0; + int last_sym_idx = 0; + + /* If we have already failed, don't do anything. */ + if (*failedp) + return; + + if ((sec->flags & SEC_RELOC) == 0) + return; + + /* The linker backend writes the relocs out itself, and sets the + reloc_count field to zero to inhibit writing them here. Also, + sometimes the SEC_RELOC flag gets set even when there aren't any + relocs. */ + if (sec->reloc_count == 0) + return; + + /* We can combine up to three relocs that refer to the same address + if the latter relocs have no associated symbol. */ + count = 0; + for (idx = 0; idx < sec->reloc_count; idx++) + { + bfd_vma addr; + unsigned int i; + + ++count; + + addr = sec->orelocation[idx]->address; + for (i = 0; i < 2; i++) + { + arelent *r; + + if (idx + 1 >= sec->reloc_count) + break; + r = sec->orelocation[idx + 1]; + if (r->address != addr + || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) + || (*r->sym_ptr_ptr)->value != 0) + break; + + /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ + + ++idx; + } + } + + rela_hdr = &elf_section_data (sec)->rel_hdr; + + rela_hdr->sh_size = rela_hdr->sh_entsize * count; + rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size); + if (rela_hdr->contents == NULL) + { + *failedp = true; + return; + } + + ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; + for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) + { + arelent *ptr; + Elf64_Mips_Internal_Rela int_rela; + asymbol *sym; + int n; + unsigned int i; + + ptr = sec->orelocation[idx]; + + /* The address of an ELF reloc is section relative for an object + file, and absolute for an executable file or shared library. + The address of a BFD reloc is always section relative. */ + if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) + int_rela.r_offset = ptr->address; + else + int_rela.r_offset = ptr->address + sec->vma; + + sym = *ptr->sym_ptr_ptr; + if (sym == last_sym) + n = last_sym_idx; + else + { + last_sym = sym; + n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); + if (n < 0) + { + *failedp = true; + return; + } + last_sym_idx = n; + } + + int_rela.r_sym = n; + + int_rela.r_addend = ptr->addend; + + int_rela.r_ssym = RSS_UNDEF; + + if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec + && ! _bfd_elf_validate_reloc (abfd, ptr)) + { + *failedp = true; + return; + } + + int_rela.r_type = ptr->howto->type; + int_rela.r_type2 = (int) R_MIPS_NONE; + int_rela.r_type3 = (int) R_MIPS_NONE; + + for (i = 0; i < 2; i++) + { + arelent *r; + + if (idx + 1 >= sec->reloc_count) + break; + r = sec->orelocation[idx + 1]; + if (r->address != ptr->address + || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) + || (*r->sym_ptr_ptr)->value != 0) + break; + + /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ + + if (i == 0) + int_rela.r_type2 = r->howto->type; + else + int_rela.r_type3 = r->howto->type; + + ++idx; + } + + mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); + } + + BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents + == count); +} + +/* Handle a 64-bit MIPS ELF specific section. */ + +static boolean +mips_elf64_section_from_shdr (abfd, hdr, name) + bfd *abfd; + Elf_Internal_Shdr *hdr; + char *name; +{ + if (! _bfd_mips_elf_section_from_shdr (abfd, hdr, name)) + return false; + + /* For a SHT_MIPS_OPTIONS section, look for a ODK_REGINFO entry, and + set the gp value based on what we find. We may see both + SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS/ODK_REGINFO; in that case, + they should agree. */ + if (hdr->sh_type == SHT_MIPS_OPTIONS) + { + bfd_byte *contents, *l, *lend; + + contents = (bfd_byte *) bfd_malloc (hdr->sh_size); + if (contents == NULL) + return false; + if (! bfd_get_section_contents (abfd, hdr->bfd_section, contents, + (file_ptr) 0, hdr->sh_size)) + { + free (contents); + return false; + } + l = contents; + lend = contents + hdr->sh_size; + while (l + sizeof (Elf_External_Options) <= lend) + { + Elf_Internal_Options intopt; + + bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l, + &intopt); + if (intopt.kind == ODK_REGINFO) + { + Elf64_Internal_RegInfo intreg; + + bfd_mips_elf64_swap_reginfo_in + (abfd, + ((Elf64_External_RegInfo *) + (l + sizeof (Elf_External_Options))), + &intreg); + elf_gp (abfd) = intreg.ri_gp_value; + } + l += intopt.size; + } + free (contents); + } + + return true; +} + +/* Work over a section just before writing it out. We update the GP + value in the SHT_MIPS_OPTIONS section based on the value we are + using. */ + +static boolean +mips_elf64_section_processing (abfd, hdr) + bfd *abfd; + Elf_Internal_Shdr *hdr; +{ + if (hdr->sh_type == SHT_MIPS_OPTIONS + && hdr->bfd_section != NULL + && elf_section_data (hdr->bfd_section) != NULL + && elf_section_data (hdr->bfd_section)->tdata != NULL) + { + bfd_byte *contents, *l, *lend; + + /* We stored the section contents in the elf_section_data tdata + field in the set_section_contents routine. We save the + section contents so that we don't have to read them again. + At this point we know that elf_gp is set, so we can look + through the section contents to see if there is an + ODK_REGINFO structure. */ + + contents = (bfd_byte *) elf_section_data (hdr->bfd_section)->tdata; + l = contents; + lend = contents + hdr->sh_size; + while (l + sizeof (Elf_External_Options) <= lend) + { + Elf_Internal_Options intopt; + + bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l, + &intopt); + if (intopt.kind == ODK_REGINFO) + { + bfd_byte buf[8]; + + if (bfd_seek (abfd, + (hdr->sh_offset + + (l - contents) + + sizeof (Elf_External_Options) + + (sizeof (Elf64_External_RegInfo) - 8)), + SEEK_SET) == -1) + return false; + bfd_h_put_64 (abfd, elf_gp (abfd), buf); + if (bfd_write (buf, 1, 8, abfd) != 8) + return false; + } + l += intopt.size; + } + } + + return _bfd_mips_elf_section_processing (abfd, hdr); +} + +/* Irix 6 defines a brand new archive map format, so that they can + have archives more than 4 GB in size. */ + +/* Read an Irix 6 armap. */ + +static boolean +mips_elf64_slurp_armap (abfd) + bfd *abfd; +{ + struct artdata *ardata = bfd_ardata (abfd); + char nextname[17]; + file_ptr arhdrpos; + bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize; + struct areltdata *mapdata; + bfd_byte int_buf[8]; + char *stringbase; + bfd_byte *raw_armap = NULL; + carsym *carsyms; + + ardata->symdefs = NULL; + + /* Get the name of the first element. */ + arhdrpos = bfd_tell (abfd); + i = bfd_read ((PTR) nextname, 1, 16, abfd); + if (i == 0) + return true; + if (i != 16) + return false; + + if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0) + return false; + + /* Archives with traditional armaps are still permitted. */ + if (strncmp (nextname, "/ ", 16) == 0) + return bfd_slurp_armap (abfd); + + if (strncmp (nextname, "/SYM64/ ", 16) != 0) + { + bfd_has_map (abfd) = false; + return true; + } + + mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); + if (mapdata == NULL) + return false; + parsed_size = mapdata->parsed_size; + bfd_release (abfd, (PTR) mapdata); + + if (bfd_read (int_buf, 1, 8, abfd) != 8) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_malformed_archive); + return false; + } + + nsymz = bfd_getb64 (int_buf); + stringsize = parsed_size - 8 * nsymz - 8; + + carsym_size = nsymz * sizeof (carsym); + ptrsize = 8 * nsymz; + + ardata->symdefs = (carsym *) bfd_zalloc (abfd, carsym_size + stringsize + 1); + if (ardata->symdefs == NULL) + return false; + carsyms = ardata->symdefs; + stringbase = ((char *) ardata->symdefs) + carsym_size; + + raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize); + if (raw_armap == NULL) + goto error_return; + + if (bfd_read (raw_armap, 1, ptrsize, abfd) != ptrsize + || bfd_read (stringbase, 1, stringsize, abfd) != stringsize) + { + if (bfd_get_error () != bfd_error_system_call) + bfd_set_error (bfd_error_malformed_archive); + goto error_return; + } + + for (i = 0; i < nsymz; i++) + { + carsyms->file_offset = bfd_getb64 (raw_armap + i * 8); + carsyms->name = stringbase; + stringbase += strlen (stringbase) + 1; + ++carsyms; + } + *stringbase = '\0'; + + ardata->symdef_count = nsymz; + ardata->first_file_filepos = arhdrpos + sizeof (struct ar_hdr) + parsed_size; + + bfd_has_map (abfd) = true; + bfd_release (abfd, raw_armap); + + return true; + + error_return: + if (raw_armap != NULL) + bfd_release (abfd, raw_armap); + if (ardata->symdefs != NULL) + bfd_release (abfd, ardata->symdefs); + return false; +} + +/* Write out an Irix 6 armap. The Irix 6 tools are supposed to be + able to handle ordinary ELF armaps, but at least on Irix 6.2 the + linker crashes. */ + +static boolean +mips_elf64_write_armap (arch, elength, map, symbol_count, stridx) + bfd *arch; + unsigned int elength; + struct orl *map; + unsigned int symbol_count; + int stridx; +{ + unsigned int ranlibsize = (symbol_count * 8) + 8; + unsigned int stringsize = stridx; + unsigned int mapsize = stringsize + ranlibsize; + file_ptr archive_member_file_ptr; + bfd *current = arch->archive_head; + unsigned int count; + struct ar_hdr hdr; + unsigned int i; + int padding; + bfd_byte buf[8]; + + padding = BFD_ALIGN (mapsize, 8) - mapsize; + mapsize += padding; + + /* work out where the first object file will go in the archive */ + archive_member_file_ptr = (mapsize + + elength + + sizeof (struct ar_hdr) + + SARMAG); + + memset ((char *) (&hdr), 0, sizeof (struct ar_hdr)); + strcpy (hdr.ar_name, "/SYM64/"); + sprintf (hdr.ar_size, "%-10d", (int) mapsize); + sprintf (hdr.ar_date, "%ld", (long) time (NULL)); + /* This, at least, is what Intel coff sets the values to.: */ + sprintf ((hdr.ar_uid), "%d", 0); + sprintf ((hdr.ar_gid), "%d", 0); + sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0); + strncpy (hdr.ar_fmag, ARFMAG, 2); + + for (i = 0; i < sizeof (struct ar_hdr); i++) + if (((char *) (&hdr))[i] == '\0') + (((char *) (&hdr))[i]) = ' '; + + /* Write the ar header for this item and the number of symbols */ + + if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), arch) + != sizeof (struct ar_hdr)) + return false; + + bfd_putb64 (symbol_count, buf); + if (bfd_write (buf, 1, 8, arch) != 8) + return false; + + /* Two passes, first write the file offsets for each symbol - + remembering that each offset is on a two byte boundary. */ + + /* Write out the file offset for the file associated with each + symbol, and remember to keep the offsets padded out. */ + + current = arch->archive_head; + count = 0; + while (current != (bfd *) NULL && count < symbol_count) + { + /* For each symbol which is used defined in this object, write out + the object file's address in the archive */ + + while (((bfd *) (map[count]).pos) == current) + { + bfd_putb64 (archive_member_file_ptr, buf); + if (bfd_write (buf, 1, 8, arch) != 8) + return false; + count++; + } + /* Add size of this archive entry */ + archive_member_file_ptr += (arelt_size (current) + + sizeof (struct ar_hdr)); + /* remember about the even alignment */ + archive_member_file_ptr += archive_member_file_ptr % 2; + current = current->next; + } + + /* now write the strings themselves */ + for (count = 0; count < symbol_count; count++) + { + size_t len = strlen (*map[count].name) + 1; + + if (bfd_write (*map[count].name, 1, len, arch) != len) + return false; + } + + /* The spec says that this should be padded to an 8 byte boundary. + However, the Irix 6.2 tools do not appear to do this. */ + while (padding != 0) + { + if (bfd_write ("", 1, 1, arch) != 1) + return false; + --padding; + } + + return true; +} + +/* ECOFF swapping routines. These are used when dealing with the + .mdebug section, which is in the ECOFF debugging format. */ +static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = +{ + /* Symbol table magic number. */ + magicSym2, + /* Alignment of debugging information. E.g., 4. */ + 8, + /* Sizes of external symbolic information. */ + sizeof (struct hdr_ext), + sizeof (struct dnr_ext), + sizeof (struct pdr_ext), + sizeof (struct sym_ext), + sizeof (struct opt_ext), + sizeof (struct fdr_ext), + sizeof (struct rfd_ext), + sizeof (struct ext_ext), + /* Functions to swap in external symbolic data. */ + ecoff_swap_hdr_in, + ecoff_swap_dnr_in, + ecoff_swap_pdr_in, + ecoff_swap_sym_in, + ecoff_swap_opt_in, + ecoff_swap_fdr_in, + ecoff_swap_rfd_in, + ecoff_swap_ext_in, + _bfd_ecoff_swap_tir_in, + _bfd_ecoff_swap_rndx_in, + /* Functions to swap out external symbolic data. */ + ecoff_swap_hdr_out, + ecoff_swap_dnr_out, + ecoff_swap_pdr_out, + ecoff_swap_sym_out, + ecoff_swap_opt_out, + ecoff_swap_fdr_out, + ecoff_swap_rfd_out, + ecoff_swap_ext_out, + _bfd_ecoff_swap_tir_out, + _bfd_ecoff_swap_rndx_out, + /* Function to read in symbolic data. */ + _bfd_mips_elf_read_ecoff_info +}; + +/* Relocations in the 64 bit MIPS ELF ABI are more complex than in + standard ELF. This structure is used to redirect the relocation + handling routines. */ + +const struct elf_size_info mips_elf64_size_info = +{ + sizeof (Elf64_External_Ehdr), + sizeof (Elf64_External_Phdr), + sizeof (Elf64_External_Shdr), + sizeof (Elf64_Mips_External_Rel), + sizeof (Elf64_Mips_External_Rela), + sizeof (Elf64_External_Sym), + sizeof (Elf64_External_Dyn), + sizeof (Elf_External_Note), + 64, /* arch_size */ + 8, /* file_align */ + ELFCLASS64, + EV_CURRENT, + bfd_elf64_write_out_phdrs, + bfd_elf64_write_shdrs_and_ehdr, + mips_elf64_write_relocs, + bfd_elf64_swap_symbol_out, + mips_elf64_slurp_reloc_table, + bfd_elf64_slurp_symbol_table, + bfd_elf64_swap_dyn_in +}; + +#define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec +#define TARGET_LITTLE_NAME "elf64-littlemips" +#define TARGET_BIG_SYM bfd_elf64_bigmips_vec +#define TARGET_BIG_NAME "elf64-bigmips" +#define ELF_ARCH bfd_arch_mips +#define ELF_MACHINE_CODE EM_MIPS +#define ELF_MAXPAGESIZE 0x1000 +#define elf_backend_size_info mips_elf64_size_info +#define elf_backend_object_p _bfd_mips_elf_object_p +#define elf_backend_section_from_shdr mips_elf64_section_from_shdr +#define elf_backend_fake_sections _bfd_mips_elf_fake_sections +#define elf_backend_section_from_bfd_section \ + _bfd_mips_elf_section_from_bfd_section +#define elf_backend_section_processing mips_elf64_section_processing +#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing +#define elf_backend_final_write_processing \ + _bfd_mips_elf_final_write_processing +#define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap + +#define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line +#define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound +#define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup +#define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents +#define bfd_elf64_bfd_copy_private_bfd_data \ + _bfd_mips_elf_copy_private_bfd_data +#define bfd_elf64_bfd_merge_private_bfd_data \ + _bfd_mips_elf_merge_private_bfd_data +#define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags + +#define bfd_elf64_archive_functions +#define bfd_elf64_archive_slurp_armap mips_elf64_slurp_armap +#define bfd_elf64_archive_slurp_extended_name_table \ + _bfd_archive_coff_slurp_extended_name_table +#define bfd_elf64_archive_construct_extended_name_table \ + _bfd_archive_coff_construct_extended_name_table +#define bfd_elf64_archive_truncate_arname \ + _bfd_archive_coff_truncate_arname +#define bfd_elf64_archive_write_armap mips_elf64_write_armap +#define bfd_elf64_archive_read_ar_hdr _bfd_archive_coff_read_ar_hdr +#define bfd_elf64_archive_openr_next_archived_file \ + _bfd_archive_coff_openr_next_archived_file +#define bfd_elf64_archive_get_elt_at_index \ + _bfd_archive_coff_get_elt_at_index +#define bfd_elf64_archive_generic_stat_arch_elt \ + _bfd_archive_coff_generic_stat_arch_elt +#define bfd_elf64_archive_update_armap_timestamp \ + _bfd_archive_coff_update_armap_timestamp + +#include "elf64-target.h" |
