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- /* MIPS-specific support for 64-bit ELF
- Copyright 1996 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. */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include "libbfd.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 **));
- 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 *));
-
- /* 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_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_offset, (bfd_byte *) dst->r_offset);
- }
-
- /* 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)
- bfd *abfd;
- asection *asect;
- asymbol **symbols;
- {
- struct bfd_elf_section_data * const d = elf_section_data (asect);
-
- 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);
- }
-
- /* 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
-
- #include "elf64-target.h"
-