| /* MIPS-specific support for 64-bit ELF |
| Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
| Ian Lance Taylor, Cygnus Support |
| Linker support added by Mark Mitchell, CodeSourcery, LLC. |
| <mark@codesourcery.com> |
| |
| 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 *)); |
| static void mips_elf64_swap_reloc_out |
| PARAMS ((bfd *, const Elf64_Mips_Internal_Rel *, |
| Elf64_Mips_External_Rel *)); |
| static void mips_elf64_swap_reloca_out |
| PARAMS ((bfd *, const Elf64_Mips_Internal_Rela *, |
| Elf64_Mips_External_Rela *)); |
| static void mips_elf64_be_swap_reloc_in |
| PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *)); |
| static void mips_elf64_be_swap_reloc_out |
| PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *)); |
| static void mips_elf64_be_swap_reloca_in |
| PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); |
| static void mips_elf64_be_swap_reloca_out |
| PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); |
| 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_slurp_armap PARAMS ((bfd *)); |
| static boolean mips_elf64_write_armap |
| PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); |
| |
| /* 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 number of local .got entries we reserve. */ |
| #define MIPS_RESERVED_GOTNO (2) |
| |
| /* 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 */ |
| |
| /* Protected jump conversion. This is an optimization hint. No |
| relocation is required for correctness. */ |
| HOWTO (R_MIPS_JALR, /* 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_JALR", /* name */ |
| false, /* partial_inplace */ |
| 0x00000000, /* src_mask */ |
| 0x00000000, /* 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 */ |
| |
| /* Protected jump conversion. This is an optimization hint. No |
| relocation is required for correctness. */ |
| HOWTO (R_MIPS_JALR, /* 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_JALR", /* name */ |
| false, /* partial_inplace */ |
| 0x00000000, /* src_mask */ |
| 0x00000000, /* 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); |
| } |
| |
| /* 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); |
| } |
| |
| /* 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); |
| } |
| |
| /* Swap in a MIPS 64-bit Rel reloc. */ |
| |
| static void |
| mips_elf64_be_swap_reloc_in (abfd, src, dst) |
| bfd *abfd; |
| const bfd_byte *src; |
| Elf_Internal_Rel *dst; |
| { |
| Elf64_Mips_Internal_Rel mirel; |
| |
| mips_elf64_swap_reloc_in (abfd, |
| (const Elf64_Mips_External_Rel *) src, |
| &mirel); |
| |
| dst[0].r_offset = mirel.r_offset; |
| dst[0].r_info = ELF32_R_INFO (mirel.r_sym, mirel.r_type); |
| dst[1].r_offset = mirel.r_offset; |
| dst[1].r_info = ELF32_R_INFO (mirel.r_ssym, mirel.r_type2); |
| dst[2].r_offset = mirel.r_offset; |
| dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirel.r_type3); |
| } |
| |
| /* Swap in a MIPS 64-bit Rela reloc. */ |
| |
| static void |
| mips_elf64_be_swap_reloca_in (abfd, src, dst) |
| bfd *abfd; |
| const bfd_byte *src; |
| Elf_Internal_Rela *dst; |
| { |
| Elf64_Mips_Internal_Rela mirela; |
| |
| mips_elf64_swap_reloca_in (abfd, |
| (const Elf64_Mips_External_Rela *) src, |
| &mirela); |
| |
| dst[0].r_offset = mirela.r_offset; |
| dst[0].r_info = ELF32_R_INFO (mirela.r_sym, mirela.r_type); |
| dst[0].r_addend = mirela.r_addend; |
| dst[1].r_offset = mirela.r_offset; |
| dst[1].r_info = ELF32_R_INFO (mirela.r_ssym, mirela.r_type2); |
| dst[1].r_addend = 0; |
| dst[2].r_offset = mirela.r_offset; |
| dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirela.r_type3); |
| dst[2].r_addend = 0; |
| } |
| |
| /* Swap out a MIPS 64-bit Rel reloc. */ |
| |
| static void |
| mips_elf64_be_swap_reloc_out (abfd, src, dst) |
| bfd *abfd; |
| const Elf_Internal_Rel *src; |
| bfd_byte *dst; |
| { |
| Elf64_Mips_Internal_Rel mirel; |
| |
| mirel.r_offset = src->r_offset; |
| mirel.r_type = ELF32_R_TYPE (src->r_info); |
| mirel.r_sym = ELF32_R_SYM (src->r_info); |
| mirel.r_type2 = R_MIPS_NONE; |
| mirel.r_ssym = STN_UNDEF; |
| mirel.r_type3 = R_MIPS_NONE; |
| |
| mips_elf64_swap_reloc_out (abfd, &mirel, |
| (Elf64_Mips_External_Rel *) dst); |
| } |
| |
| /* Swap out a MIPS 64-bit Rela reloc. */ |
| |
| static void |
| mips_elf64_be_swap_reloca_out (abfd, src, dst) |
| bfd *abfd; |
| const Elf_Internal_Rela *src; |
| bfd_byte *dst; |
| { |
| Elf64_Mips_Internal_Rela mirela; |
| |
| mirela.r_offset = src->r_offset; |
| mirela.r_type = ELF32_R_TYPE (src->r_info); |
| mirela.r_addend = src->r_addend; |
| mirela.r_sym = ELF32_R_SYM (src->r_info); |
| mirela.r_type2 = R_MIPS_NONE; |
| mirela.r_ssym = STN_UNDEF; |
| mirela.r_type3 = R_MIPS_NONE; |
| |
| mips_elf64_swap_reloca_out (abfd, &mirela, |
| (Elf64_Mips_External_Rela *) dst); |
| } |
| |
| /* A mapping from BFD reloc types to MIPS ELF reloc types. */ |
| |
| struct elf_reloc_map |
| { |
| bfd_reloc_code_real_type bfd_reloc_val; |
| enum elf_mips_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 }, |
| { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, |
| { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, |
| { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, |
| { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP } |
| }; |
| |
| /* 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 elf_mips_reloc_type type; |
| |
| switch (ir) |
| { |
| default: |
| abort (); |
| case 0: |
| type = (enum elf_mips_reloc_type) rela.r_type; |
| break; |
| case 1: |
| type = (enum elf_mips_reloc_type) rela.r_type2; |
| break; |
| case 2: |
| type = (enum elf_mips_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); |
| } |
| |
| /* 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), |
| 4, /* hash-table entry size */ |
| 3, /* internal relocations per external relocations */ |
| 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, |
| bfd_elf64_swap_dyn_out, |
| mips_elf64_be_swap_reloc_in, |
| mips_elf64_be_swap_reloc_out, |
| mips_elf64_be_swap_reloca_in, |
| mips_elf64_be_swap_reloca_out |
| }; |
| |
| #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_collect true |
| #define elf_backend_type_change_ok true |
| #define elf_backend_can_gc_sections true |
| #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 _bfd_mips_elf_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 _bfd_mips_elf_section_processing |
| #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing |
| #define elf_backend_additional_program_headers \ |
| _bfd_mips_elf_additional_program_headers |
| #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map |
| #define elf_backend_final_write_processing \ |
| _bfd_mips_elf_final_write_processing |
| #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap |
| #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook |
| #define elf_backend_create_dynamic_sections \ |
| _bfd_mips_elf_create_dynamic_sections |
| #define elf_backend_check_relocs _bfd_mips_elf_check_relocs |
| #define elf_backend_adjust_dynamic_symbol \ |
| _bfd_mips_elf_adjust_dynamic_symbol |
| #define elf_backend_always_size_sections \ |
| _bfd_mips_elf_always_size_sections |
| #define elf_backend_size_dynamic_sections \ |
| _bfd_mips_elf_size_dynamic_sections |
| #define elf_backend_relocate_section _bfd_mips_elf_relocate_section |
| #define elf_backend_link_output_symbol_hook \ |
| _bfd_mips_elf_link_output_symbol_hook |
| #define elf_backend_finish_dynamic_symbol \ |
| _bfd_mips_elf_finish_dynamic_symbol |
| #define elf_backend_finish_dynamic_sections \ |
| _bfd_mips_elf_finish_dynamic_sections |
| #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook |
| #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook |
| #define elf_backend_got_header_size (4*MIPS_RESERVED_GOTNO) |
| #define elf_backend_plt_header_size 0 |
| #define elf_backend_may_use_rel_p 1 |
| |
| /* We don't set bfd_elf64_bfd_is_local_label_name because the 32-bit |
| MIPS-specific function only applies to IRIX5, which had no 64-bit |
| ABI. */ |
| #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line |
| #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents |
| #define bfd_elf64_bfd_link_hash_table_create \ |
| _bfd_mips_elf_link_hash_table_create |
| #define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link |
| #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_bfd_print_private_bfd_data \ |
| _bfd_mips_elf_print_private_bfd_data |
| |
| #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_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" |