| /* MIPS-specific support for 32-bit ELF |
| Copyright (C) 1993-2024 Free Software Foundation, Inc. |
| |
| Most of the information added by Ian Lance Taylor, Cygnus Support, |
| <ian@cygnus.com>. |
| N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. |
| <mark@codesourcery.com> |
| Traditional MIPS targets support added by Koundinya.K, Dansk Data |
| Elektronik & Operations Research Group. <kk@ddeorg.soft.net> |
| |
| 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 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| |
| /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly |
| different MIPS ELF from other targets. This matters when linking. |
| This file supports both, switching at runtime. */ |
| |
| #include "sysdep.h" |
| #include "bfd.h" |
| #include "libbfd.h" |
| #include "bfdlink.h" |
| #include "genlink.h" |
| #include "elf-bfd.h" |
| #include "elfxx-mips.h" |
| #include "elf/mips.h" |
| #include "elf-vxworks.h" |
| |
| /* Get the ECOFF swapping routines. */ |
| #include "coff/sym.h" |
| #include "coff/symconst.h" |
| #include "coff/internal.h" |
| #include "coff/ecoff.h" |
| #include "coff/mips.h" |
| #define ECOFF_SIGNED_32 |
| #include "ecoffswap.h" |
| |
| static bfd_reloc_status_type gprel32_with_gp |
| (bfd *, asymbol *, arelent *, asection *, bool, void *, bfd_vma); |
| static bfd_reloc_status_type mips_elf_gprel32_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| static bfd_reloc_status_type mips32_64bit_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
| (bfd *, bfd_reloc_code_real_type); |
| static bool mips_info_to_howto_rel |
| (bfd *, arelent *, Elf_Internal_Rela *); |
| static bool mips_info_to_howto_rela |
| (bfd *, arelent *, Elf_Internal_Rela *); |
| static bool mips_elf_sym_is_global |
| (bfd *, asymbol *); |
| static bool mips_elf32_elfsym_local_is_section |
| (bfd *); |
| static bool mips_elf32_object_p |
| (bfd *); |
| static bool mips_elf_is_local_label_name |
| (bfd *, const char *); |
| static bfd_reloc_status_type mips16_gprel_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| static bfd_reloc_status_type mips_elf_final_gp |
| (bfd *, asymbol *, bool, char **, bfd_vma *); |
| static bool mips_elf_assign_gp |
| (bfd *, bfd_vma *); |
| static bool elf32_mips_grok_prstatus |
| (bfd *, Elf_Internal_Note *); |
| static bool elf32_mips_grok_psinfo |
| (bfd *, Elf_Internal_Note *); |
| static irix_compat_t elf32_mips_irix_compat |
| (bfd *); |
| |
| extern const bfd_target mips_elf32_be_vec; |
| extern const bfd_target mips_elf32_le_vec; |
| |
| /* Nonzero if ABFD is using the N32 ABI. */ |
| #define ABI_N32_P(abfd) \ |
| ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) |
| |
| /* Whether we are trying to be compatible with IRIX at all. */ |
| #define SGI_COMPAT(abfd) \ |
| (elf32_mips_irix_compat (abfd) != ict_none) |
| |
| /* The number of local .got entries we reserve. */ |
| #define MIPS_RESERVED_GOTNO (2) |
| |
| /* 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 elf_mips_howto_table_rel[] = |
| { |
| /* No relocation. */ |
| HOWTO (R_MIPS_NONE, /* type */ |
| 0, /* rightshift */ |
| 0, /* size */ |
| 0, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_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 */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 32 bit relocation. */ |
| HOWTO (R_MIPS_32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_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 */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_REL32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 26 bit jump address. */ |
| HOWTO (R_MIPS_26, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 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 + 4. */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_26", /* name */ |
| true, /* partial_inplace */ |
| 0x03ffffff, /* src_mask */ |
| 0x03ffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* High 16 bits of symbol value. */ |
| HOWTO (R_MIPS_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 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 */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Low 16 bits of symbol value. */ |
| HOWTO (R_MIPS_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 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 */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* GP relative reference. */ |
| HOWTO (R_MIPS_GPREL16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| "R_MIPS_GPREL16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Reference to literal section. */ |
| HOWTO (R_MIPS_LITERAL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| "R_MIPS_LITERAL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Reference to global offset table. */ |
| HOWTO (R_MIPS_GOT16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_got16_reloc, /* special_function */ |
| "R_MIPS_GOT16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 16 bit PC relative reference. Note that the ABI document has a typo |
| and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. |
| We do the right thing here. */ |
| HOWTO (R_MIPS_PC16, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| /* 16 bit call through global offset table. */ |
| HOWTO (R_MIPS_CALL16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_CALL16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 32 bit GP relative reference. */ |
| HOWTO (R_MIPS_GPREL32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| mips_elf_gprel32_reloc, /* special_function */ |
| "R_MIPS_GPREL32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* The remaining relocs are defined on Irix 5, although they are |
| not defined by the ABI. */ |
| EMPTY_HOWTO (13), |
| EMPTY_HOWTO (14), |
| EMPTY_HOWTO (15), |
| |
| /* A 5 bit shift field. */ |
| HOWTO (R_MIPS_SHIFT5, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 5, /* bitsize */ |
| false, /* pc_relative */ |
| 6, /* bitpos */ |
| complain_overflow_bitfield, /* complain_on_overflow */ |
| _bfd_mips_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 */ |
| 4, /* size */ |
| 6, /* bitsize */ |
| false, /* pc_relative */ |
| 6, /* bitpos */ |
| complain_overflow_bitfield, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_SHIFT6", /* name */ |
| true, /* partial_inplace */ |
| 0x000007c4, /* src_mask */ |
| 0x000007c4, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* A 64 bit relocation. */ |
| HOWTO (R_MIPS_64, /* type */ |
| 0, /* rightshift */ |
| 8, /* size */ |
| 64, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| mips32_64bit_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. */ |
| HOWTO (R_MIPS_GOT_DISP, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_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. */ |
| HOWTO (R_MIPS_GOT_PAGE, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_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. */ |
| HOWTO (R_MIPS_GOT_OFST, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_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. */ |
| HOWTO (R_MIPS_GOT_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_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. */ |
| HOWTO (R_MIPS_GOT_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_GOT_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 64 bit subtraction. Used in the N32 ABI. */ |
| HOWTO (R_MIPS_SUB, /* type */ |
| 0, /* rightshift */ |
| 8, /* size */ |
| 64, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_SUB", /* name */ |
| true, /* partial_inplace */ |
| MINUS_ONE, /* src_mask */ |
| MINUS_ONE, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Used to cause the linker to insert and delete instructions? */ |
| EMPTY_HOWTO (R_MIPS_INSERT_A), |
| EMPTY_HOWTO (R_MIPS_INSERT_B), |
| EMPTY_HOWTO (R_MIPS_DELETE), |
| |
| /* Get the higher value of a 64 bit addend. */ |
| HOWTO (R_MIPS_HIGHER, /* type */ |
| 32, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_HIGHER", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Get the highest value of a 64 bit addend. */ |
| HOWTO (R_MIPS_HIGHEST, /* type */ |
| 48, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_HIGHEST", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* High 16 bits of displacement in global offset table. */ |
| HOWTO (R_MIPS_CALL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_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. */ |
| HOWTO (R_MIPS_CALL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_CALL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Section displacement. */ |
| HOWTO (R_MIPS_SCN_DISP, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_SCN_DISP", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (R_MIPS_REL16), |
| EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), |
| EMPTY_HOWTO (R_MIPS_PJUMP), |
| EMPTY_HOWTO (R_MIPS_RELGOT), |
| |
| /* Protected jump conversion. This is an optimization hint. No |
| relocation is required for correctness. */ |
| HOWTO (R_MIPS_JALR, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_JALR", /* name */ |
| false, /* partial_inplace */ |
| 0x00000000, /* src_mask */ |
| 0x00000000, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS GD/LD dynamic relocations. */ |
| HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_DTPMOD32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_TLS_DTPREL32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_DTPREL32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), |
| EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), |
| |
| /* TLS general dynamic variable reference. */ |
| HOWTO (R_MIPS_TLS_GD, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_GD", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic variable reference. */ |
| HOWTO (R_MIPS_TLS_LDM, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_LDM", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic offset. */ |
| HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_DTPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic offset. */ |
| HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_DTPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_GOTTPREL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS IE dynamic relocations. */ |
| HOWTO (R_MIPS_TLS_TPREL32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_TPREL32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (R_MIPS_TLS_TPREL64), |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_TPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_TLS_TPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 32 bit relocation with no addend. */ |
| HOWTO (R_MIPS_GLOB_DAT, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_GLOB_DAT", /* name */ |
| false, /* partial_inplace */ |
| 0x0, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (52), |
| EMPTY_HOWTO (53), |
| EMPTY_HOWTO (54), |
| EMPTY_HOWTO (55), |
| EMPTY_HOWTO (56), |
| EMPTY_HOWTO (57), |
| EMPTY_HOWTO (58), |
| EMPTY_HOWTO (59), |
| |
| HOWTO (R_MIPS_PC21_S2, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 21, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC21_S2", /* name */ |
| true, /* partial_inplace */ |
| 0x001fffff, /* src_mask */ |
| 0x001fffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_PC26_S2, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 26, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC26_S2", /* name */ |
| true, /* partial_inplace */ |
| 0x03ffffff, /* src_mask */ |
| 0x03ffffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_PC18_S3, /* type */ |
| 3, /* rightshift */ |
| 4, /* size */ |
| 18, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC18_S3", /* name */ |
| true, /* partial_inplace */ |
| 0x0003ffff, /* src_mask */ |
| 0x0003ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_PC19_S2, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 19, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC19_S2", /* name */ |
| true, /* partial_inplace */ |
| 0x0007ffff, /* src_mask */ |
| 0x0007ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_PCHI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PCHI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MIPS_PCLO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PCLO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| }; |
| |
| /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This |
| is a hack to make the linker think that we need 64 bit values. */ |
| static reloc_howto_type elf_mips_ctor64_howto = |
| HOWTO (R_MIPS_64, /* type */ |
| 0, /* rightshift */ |
| 8, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| mips32_64bit_reloc, /* special_function */ |
| "R_MIPS_64", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| static reloc_howto_type elf_mips16_howto_table_rel[] = |
| { |
| /* The reloc used for the mips16 jump instruction. */ |
| HOWTO (R_MIPS16_26, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 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_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_26", /* name */ |
| true, /* partial_inplace */ |
| 0x3ffffff, /* src_mask */ |
| 0x3ffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* The reloc used for the mips16 gprel instruction. */ |
| HOWTO (R_MIPS16_GPREL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| mips16_gprel_reloc, /* special_function */ |
| "R_MIPS16_GPREL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* A MIPS16 reference to the global offset table. */ |
| HOWTO (R_MIPS16_GOT16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_got16_reloc, /* special_function */ |
| "R_MIPS16_GOT16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* A MIPS16 call through the global offset table. */ |
| HOWTO (R_MIPS16_CALL16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_CALL16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 high 16 bits of symbol value. */ |
| HOWTO (R_MIPS16_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_hi16_reloc, /* special_function */ |
| "R_MIPS16_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 low 16 bits of symbol value. */ |
| HOWTO (R_MIPS16_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_lo16_reloc, /* special_function */ |
| "R_MIPS16_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS general dynamic variable reference. */ |
| HOWTO (R_MIPS16_TLS_GD, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_GD", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS local dynamic variable reference. */ |
| HOWTO (R_MIPS16_TLS_LDM, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_LDM", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS local dynamic offset. */ |
| HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_DTPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS local dynamic offset. */ |
| HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_DTPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS thread pointer offset. */ |
| HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_GOTTPREL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS thread pointer offset. */ |
| HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_TPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 TLS thread pointer offset. */ |
| HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_TLS_TPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* MIPS16 16-bit PC-relative branch offset. */ |
| HOWTO (R_MIPS16_PC16_S1, /* type */ |
| 1, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS16_PC16_S1", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| }; |
| |
| static reloc_howto_type elf_micromips_howto_table_rel[] = |
| { |
| EMPTY_HOWTO (130), |
| EMPTY_HOWTO (131), |
| EMPTY_HOWTO (132), |
| |
| /* 26 bit jump address. */ |
| HOWTO (R_MICROMIPS_26_S1, /* type */ |
| 1, /* rightshift */ |
| 4, /* size */ |
| 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_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_26_S1", /* name */ |
| true, /* partial_inplace */ |
| 0x3ffffff, /* src_mask */ |
| 0x3ffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* High 16 bits of symbol value. */ |
| HOWTO (R_MICROMIPS_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_hi16_reloc, /* special_function */ |
| "R_MICROMIPS_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Low 16 bits of symbol value. */ |
| HOWTO (R_MICROMIPS_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_lo16_reloc, /* special_function */ |
| "R_MICROMIPS_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* GP relative reference. */ |
| HOWTO (R_MICROMIPS_GPREL16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| "R_MICROMIPS_GPREL16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Reference to literal section. */ |
| HOWTO (R_MICROMIPS_LITERAL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| "R_MICROMIPS_LITERAL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Reference to global offset table. */ |
| HOWTO (R_MICROMIPS_GOT16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_got16_reloc, /* special_function */ |
| "R_MICROMIPS_GOT16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* This is for microMIPS branches. */ |
| HOWTO (R_MICROMIPS_PC7_S1, /* type */ |
| 1, /* rightshift */ |
| 2, /* size */ |
| 7, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_PC7_S1", /* name */ |
| true, /* partial_inplace */ |
| 0x0000007f, /* src_mask */ |
| 0x0000007f, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MICROMIPS_PC10_S1, /* type */ |
| 1, /* rightshift */ |
| 2, /* size */ |
| 10, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_PC10_S1", /* name */ |
| true, /* partial_inplace */ |
| 0x000003ff, /* src_mask */ |
| 0x000003ff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| HOWTO (R_MICROMIPS_PC16_S1, /* type */ |
| 1, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_PC16_S1", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| |
| /* 16 bit call through global offset table. */ |
| HOWTO (R_MICROMIPS_CALL16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_CALL16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (143), |
| EMPTY_HOWTO (144), |
| |
| /* Displacement in the global offset table. */ |
| HOWTO (R_MICROMIPS_GOT_DISP, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_GOT_DISP",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Displacement to page pointer in the global offset table. */ |
| HOWTO (R_MICROMIPS_GOT_PAGE, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_GOT_PAGE",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Offset from page pointer in the global offset table. */ |
| HOWTO (R_MICROMIPS_GOT_OFST, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_GOT_OFST",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* High 16 bits of displacement in global offset table. */ |
| HOWTO (R_MICROMIPS_GOT_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_GOT_HI16",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Low 16 bits of displacement in global offset table. */ |
| HOWTO (R_MICROMIPS_GOT_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_GOT_LO16",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* 64 bit subtraction. Used in the N32 ABI. */ |
| HOWTO (R_MICROMIPS_SUB, /* type */ |
| 0, /* rightshift */ |
| 8, /* size */ |
| 64, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_SUB", /* name */ |
| true, /* partial_inplace */ |
| MINUS_ONE, /* src_mask */ |
| MINUS_ONE, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Get the higher value of a 64 bit addend. */ |
| HOWTO (R_MICROMIPS_HIGHER, /* type */ |
| 32, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_HIGHER", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Get the highest value of a 64 bit addend. */ |
| HOWTO (R_MICROMIPS_HIGHEST, /* type */ |
| 48, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_HIGHEST", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* High 16 bits of displacement in global offset table. */ |
| HOWTO (R_MICROMIPS_CALL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_CALL_HI16",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Low 16 bits of displacement in global offset table. */ |
| HOWTO (R_MICROMIPS_CALL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_CALL_LO16",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Section displacement. */ |
| HOWTO (R_MICROMIPS_SCN_DISP, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_SCN_DISP",/* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Protected jump conversion. This is an optimization hint. No |
| relocation is required for correctness. */ |
| HOWTO (R_MICROMIPS_JALR, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_JALR", /* name */ |
| false, /* partial_inplace */ |
| 0x00000000, /* src_mask */ |
| 0x00000000, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values |
| must be zero. This is used for relaxation. */ |
| HOWTO (R_MICROMIPS_HI0_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_HI0_LO16",/* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (158), |
| EMPTY_HOWTO (159), |
| EMPTY_HOWTO (160), |
| EMPTY_HOWTO (161), |
| |
| /* TLS general dynamic variable reference. */ |
| HOWTO (R_MICROMIPS_TLS_GD, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_GD", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic variable reference. */ |
| HOWTO (R_MICROMIPS_TLS_LDM, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_LDM", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic offset. */ |
| HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_DTPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS local dynamic offset. */ |
| HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_DTPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_GOTTPREL", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (167), |
| EMPTY_HOWTO (168), |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */ |
| 16, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_TPREL_HI16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| /* TLS thread pointer offset. */ |
| HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_TLS_TPREL_LO16", /* name */ |
| true, /* partial_inplace */ |
| 0x0000ffff, /* src_mask */ |
| 0x0000ffff, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| EMPTY_HOWTO (171), |
| |
| /* GP- and PC-relative relocations. */ |
| HOWTO (R_MICROMIPS_GPREL7_S2, /* type */ |
| 2, /* rightshift */ |
| 2, /* size */ |
| 7, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf32_gprel16_reloc, /* special_function */ |
| "R_MICROMIPS_GPREL7_S2", /* name */ |
| true, /* partial_inplace */ |
| 0x0000007f, /* src_mask */ |
| 0x0000007f, /* dst_mask */ |
| false), /* pcrel_offset */ |
| |
| HOWTO (R_MICROMIPS_PC23_S2, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 23, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MICROMIPS_PC23_S2", /* name */ |
| true, /* partial_inplace */ |
| 0x007fffff, /* src_mask */ |
| 0x007fffff, /* dst_mask */ |
| true), /* pcrel_offset */ |
| }; |
| |
| /* 16 bit offset for pc-relative branches. */ |
| static reloc_howto_type elf_mips_gnu_rel16_s2 = |
| HOWTO (R_MIPS_GNU_REL16_S2, /* type */ |
| 2, /* rightshift */ |
| 4, /* size */ |
| 16, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_GNU_REL16_S2", /* name */ |
| true, /* partial_inplace */ |
| 0xffff, /* src_mask */ |
| 0xffff, /* dst_mask */ |
| true); /* pcrel_offset */ |
| |
| /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC. |
| It was co-opted by mips-linux for exception-handling data. GCC stopped |
| using it in May, 2004, then started using it again for compact unwind |
| tables. */ |
| static reloc_howto_type elf_mips_gnu_pcrel32 = |
| HOWTO (R_MIPS_PC32, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| true, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_PC32", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| true); /* pcrel_offset */ |
| |
| /* GNU extension to record C++ vtable hierarchy */ |
| static reloc_howto_type elf_mips_gnu_vtinherit_howto = |
| HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 0, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| NULL, /* special_function */ |
| "R_MIPS_GNU_VTINHERIT", /* name */ |
| false, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| /* GNU extension to record C++ vtable member usage */ |
| static reloc_howto_type elf_mips_gnu_vtentry_howto = |
| HOWTO (R_MIPS_GNU_VTENTRY, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 0, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_dont, /* complain_on_overflow */ |
| _bfd_elf_rel_vtable_reloc_fn, /* special_function */ |
| "R_MIPS_GNU_VTENTRY", /* name */ |
| false, /* partial_inplace */ |
| 0, /* src_mask */ |
| 0, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| /* Originally a VxWorks extension, but now used for other systems too. */ |
| static reloc_howto_type elf_mips_copy_howto = |
| HOWTO (R_MIPS_COPY, /* type */ |
| 0, /* rightshift */ |
| 0, /* this one is variable size */ |
| 0, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_bitfield, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_COPY", /* name */ |
| false, /* partial_inplace */ |
| 0x0, /* src_mask */ |
| 0x0, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| /* Originally a VxWorks extension, but now used for other systems too. */ |
| static reloc_howto_type elf_mips_jump_slot_howto = |
| HOWTO (R_MIPS_JUMP_SLOT, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_bitfield, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_JUMP_SLOT", /* name */ |
| false, /* partial_inplace */ |
| 0x0, /* src_mask */ |
| 0x0, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| /* Used in EH tables. */ |
| static reloc_howto_type elf_mips_eh_howto = |
| HOWTO (R_MIPS_EH, /* type */ |
| 0, /* rightshift */ |
| 4, /* size */ |
| 32, /* bitsize */ |
| false, /* pc_relative */ |
| 0, /* bitpos */ |
| complain_overflow_signed, /* complain_on_overflow */ |
| _bfd_mips_elf_generic_reloc, /* special_function */ |
| "R_MIPS_EH", /* name */ |
| true, /* partial_inplace */ |
| 0xffffffff, /* src_mask */ |
| 0xffffffff, /* dst_mask */ |
| false); /* pcrel_offset */ |
| |
| /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a |
| dangerous relocation. */ |
| |
| static bool |
| mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) |
| { |
| unsigned int count; |
| asymbol **sym; |
| unsigned int i; |
| |
| /* If we've already figured out what GP will be, just return it. */ |
| *pgp = _bfd_get_gp_value (output_bfd); |
| if (*pgp) |
| return true; |
| |
| count = bfd_get_symcount (output_bfd); |
| sym = bfd_get_outsymbols (output_bfd); |
| |
| /* The linker script will have created a symbol named `_gp' with the |
| appropriate value. */ |
| if (sym == NULL) |
| i = count; |
| else |
| { |
| for (i = 0; i < count; i++, sym++) |
| { |
| register const char *name; |
| |
| name = bfd_asymbol_name (*sym); |
| if (*name == '_' && strcmp (name, "_gp") == 0) |
| { |
| *pgp = bfd_asymbol_value (*sym); |
| _bfd_set_gp_value (output_bfd, *pgp); |
| break; |
| } |
| } |
| } |
| |
| if (i >= count) |
| { |
| /* Only get the error once. */ |
| *pgp = 4; |
| _bfd_set_gp_value (output_bfd, *pgp); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /* We have to figure out the gp value, so that we can adjust the |
| symbol value correctly. We look up the symbol _gp in the output |
| BFD. If we can't find it, we're stuck. We cache it in the ELF |
| target data. We don't need to adjust the symbol value for an |
| external symbol if we are producing relocatable output. */ |
| |
| static bfd_reloc_status_type |
| mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bool relocatable, |
| char **error_message, bfd_vma *pgp) |
| { |
| if (output_bfd == NULL) |
| { |
| *pgp = 0; |
| return bfd_reloc_undefined; |
| } |
| |
| *pgp = _bfd_get_gp_value (output_bfd); |
| if (*pgp == 0 |
| && (! relocatable |
| || (symbol->flags & BSF_SECTION_SYM) != 0)) |
| { |
| if (relocatable) |
| { |
| /* Make up a value. */ |
| *pgp = symbol->section->output_section->vma /*+ 0x4000*/; |
| _bfd_set_gp_value (output_bfd, *pgp); |
| } |
| else if (!mips_elf_assign_gp (output_bfd, pgp)) |
| { |
| *error_message = |
| (char *) _("GP relative relocation when _gp not defined"); |
| return bfd_reloc_dangerous; |
| } |
| } |
| |
| return bfd_reloc_ok; |
| } |
| |
| /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must |
| become the offset from the gp register. This function also handles |
| R_MIPS_LITERAL relocations, although those can be handled more |
| cleverly because the entries in the .lit8 and .lit4 sections can be |
| merged. */ |
| |
| bfd_reloc_status_type |
| _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, |
| asymbol *symbol, void *data, |
| asection *input_section, bfd *output_bfd, |
| char **error_message) |
| { |
| bool relocatable; |
| bfd_reloc_status_type ret; |
| bfd_byte *location; |
| bfd_vma gp; |
| |
| /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local |
| symbols only. */ |
| if (literal_reloc_p (reloc_entry->howto->type) |
| && output_bfd != NULL |
| && (symbol->flags & BSF_SECTION_SYM) == 0 |
| && (symbol->flags & BSF_LOCAL) != 0) |
| { |
| *error_message = (char *) |
| _("literal relocation occurs for an external symbol"); |
| return bfd_reloc_outofrange; |
| } |
| |
| if (output_bfd != NULL) |
| relocatable = true; |
| else |
| { |
| relocatable = false; |
| output_bfd = input_section->output_section->owner; |
| } |
| |
| ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
| &gp); |
| if (ret != bfd_reloc_ok) |
| return ret; |
| |
| if (!_bfd_mips_reloc_offset_in_range (abfd, input_section, reloc_entry, |
| check_shuffle)) |
| return bfd_reloc_outofrange; |
| |
| location = (bfd_byte *) data + reloc_entry->address; |
| _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, false, |
| location); |
| ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, |
| input_section, relocatable, |
| data, gp); |
| _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, |
| location); |
| |
| return ret; |
| } |
| |
| /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must |
| become the offset from the gp register. */ |
| |
| static bfd_reloc_status_type |
| mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| void *data, asection *input_section, bfd *output_bfd, |
| char **error_message) |
| { |
| bool relocatable; |
| bfd_reloc_status_type ret; |
| bfd_vma gp; |
| |
| /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ |
| if (output_bfd != NULL |
| && (symbol->flags & BSF_SECTION_SYM) == 0 |
| && (symbol->flags & BSF_LOCAL) != 0) |
| { |
| *error_message = (char *) |
| _("32bits gp relative relocation occurs for an external symbol"); |
| return bfd_reloc_outofrange; |
| } |
| |
| if (output_bfd != NULL) |
| relocatable = true; |
| else |
| { |
| relocatable = false; |
| output_bfd = input_section->output_section->owner; |
| } |
| |
| ret = mips_elf_final_gp (output_bfd, symbol, relocatable, |
| error_message, &gp); |
| if (ret != bfd_reloc_ok) |
| return ret; |
| |
| return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, |
| relocatable, data, gp); |
| } |
| |
| static bfd_reloc_status_type |
| gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, |
| asection *input_section, bool relocatable, |
| void *data, bfd_vma gp) |
| { |
| bfd_vma relocation; |
| bfd_vma val; |
| |
| if (bfd_is_com_section (symbol->section)) |
| relocation = 0; |
| else |
| relocation = symbol->value; |
| |
| if (symbol->section->output_section != NULL) |
| { |
| relocation += symbol->section->output_section->vma; |
| relocation += symbol->section->output_offset; |
| } |
| |
| if (!_bfd_mips_reloc_offset_in_range (abfd, input_section, reloc_entry, |
| check_inplace)) |
| return bfd_reloc_outofrange; |
| |
| /* Set val to the offset into the section or symbol. */ |
| val = reloc_entry->addend; |
| |
| if (reloc_entry->howto->partial_inplace) |
| val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
| |
| /* Adjust val for the final section location and GP value. If we |
| are producing relocatable output, we don't want to do this for |
| an external symbol. */ |
| if (! relocatable |
| || (symbol->flags & BSF_SECTION_SYM) != 0) |
| val += relocation - gp; |
| |
| if (reloc_entry->howto->partial_inplace) |
| bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); |
| else |
| reloc_entry->addend = val; |
| |
| if (relocatable) |
| reloc_entry->address += input_section->output_offset; |
| |
| return bfd_reloc_ok; |
| } |
| |
| /* Handle a 64 bit reloc in a 32 bit MIPS ELF file. These are |
| generated when addresses are 64 bits. The upper 32 bits are a simple |
| sign extension. */ |
| |
| static bfd_reloc_status_type |
| mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry, |
| asymbol *symbol ATTRIBUTE_UNUSED, |
| void *data, asection *input_section, |
| bfd *output_bfd, char **error_message) |
| { |
| bfd_reloc_status_type r; |
| arelent reloc32; |
| unsigned long val; |
| bfd_size_type addr; |
| |
| /* Do a normal 32 bit relocation on the lower 32 bits. */ |
| reloc32 = *reloc_entry; |
| if (bfd_big_endian (abfd)) |
| reloc32.address += 4; |
| reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32]; |
| r = bfd_perform_relocation (abfd, &reloc32, data, input_section, |
| output_bfd, error_message); |
| |
| /* Sign extend into the upper 32 bits. */ |
| val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address); |
| if ((val & 0x80000000) != 0) |
| val = 0xffffffff; |
| else |
| val = 0; |
| addr = reloc_entry->address; |
| if (bfd_little_endian (abfd)) |
| addr += 4; |
| bfd_put_32 (abfd, val, (bfd_byte *) data + addr); |
| |
| return r; |
| } |
| |
| /* Handle a mips16 GP relative reloc. */ |
| |
| static bfd_reloc_status_type |
| mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
| void *data, asection *input_section, bfd *output_bfd, |
| char **error_message) |
| { |
| bool relocatable; |
| bfd_reloc_status_type ret; |
| bfd_byte *location; |
| bfd_vma gp; |
| |
| /* If we're relocating, and this is an external symbol, we don't want |
| to change anything. */ |
| if (output_bfd != NULL |
| && (symbol->flags & BSF_SECTION_SYM) == 0 |
| && (symbol->flags & BSF_LOCAL) != 0) |
| { |
| reloc_entry->address += input_section->output_offset; |
| return bfd_reloc_ok; |
| } |
| |
| if (output_bfd != NULL) |
| relocatable = true; |
| else |
| { |
| relocatable = false; |
| output_bfd = input_section->output_section->owner; |
| } |
| |
| ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
| &gp); |
| if (ret != bfd_reloc_ok) |
| return ret; |
| |
| if (!_bfd_mips_reloc_offset_in_range (abfd, input_section, reloc_entry, |
| check_shuffle)) |
| return bfd_reloc_outofrange; |
| |
| location = (bfd_byte *) data + reloc_entry->address; |
| _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, false, |
| location); |
| ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, |
| input_section, relocatable, |
| data, gp); |
| _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, |
| location); |
| |
| return ret; |
| } |
| |
| /* A mapping from BFD reloc types to MIPS ELF reloc types. */ |
| |
| struct elf_reloc_map { |
| bfd_reloc_code_real_type bfd_val; |
| enum elf_mips_reloc_type elf_val; |
| }; |
| |
| static const struct elf_reloc_map mips_reloc_map[] = |
| { |
| { BFD_RELOC_NONE, R_MIPS_NONE }, |
| { BFD_RELOC_MIPS_16, R_MIPS_16 }, |
| { BFD_RELOC_32, R_MIPS_32 }, |
| /* There is no BFD reloc for R_MIPS_REL32. */ |
| { BFD_RELOC_64, R_MIPS_64 }, |
| { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, |
| { BFD_RELOC_HI16_S, R_MIPS_HI16 }, |
| { BFD_RELOC_LO16, R_MIPS_LO16 }, |
| { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, |
| { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, |
| { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, |
| { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, |
| { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, |
| { BFD_RELOC_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 }, |
| { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, |
| { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, |
| { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, |
| { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, |
| { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, |
| { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, |
| { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, |
| { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, |
| { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, |
| { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, |
| { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, |
| { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, |
| { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, |
| { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, |
| { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, |
| { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, |
| { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, |
| { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, |
| { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, |
| { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } |
| }; |
| |
| static const struct elf_reloc_map mips16_reloc_map[] = |
| { |
| { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_DTPREL_HI16, |
| R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_DTPREL_LO16, |
| R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }, |
| { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min } |
| }; |
| |
| static const struct elf_reloc_map micromips_reloc_map[] = |
| { |
| { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min }, |
| /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */ |
| { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16, |
| R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16, |
| R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_GOTTPREL, |
| R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16, |
| R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min }, |
| { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16, |
| R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min }, |
| /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */ |
| /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */ |
| }; |
| |
| /* Given a BFD reloc type, return a howto structure. */ |
| |
| static reloc_howto_type * |
| bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) |
| { |
| unsigned int i; |
| reloc_howto_type *howto_table = elf_mips_howto_table_rel; |
| reloc_howto_type *howto16_table = elf_mips16_howto_table_rel; |
| reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel; |
| |
| for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); |
| i++) |
| { |
| if (mips_reloc_map[i].bfd_val == code) |
| return &howto_table[(int) mips_reloc_map[i].elf_val]; |
| } |
| |
| for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); |
| i++) |
| { |
| if (mips16_reloc_map[i].bfd_val == code) |
| return &howto16_table[(int) mips16_reloc_map[i].elf_val]; |
| } |
| |
| for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map); |
| i++) |
| { |
| if (micromips_reloc_map[i].bfd_val == code) |
| return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val]; |
| } |
| |
| switch (code) |
| { |
| default: |
| bfd_set_error (bfd_error_bad_value); |
| return NULL; |
| |
| case BFD_RELOC_CTOR: |
| /* We need to handle BFD_RELOC_CTOR specially. |
| Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the |
| size of addresses of the ABI. */ |
| if ((elf_elfheader (abfd)->e_flags & (EF_MIPS_ABI_O64 |
| | EF_MIPS_ABI_EABI64)) != 0) |
| return &elf_mips_ctor64_howto; |
| else |
| return &howto_table[(int) R_MIPS_32]; |
| |
| case BFD_RELOC_VTABLE_INHERIT: |
| return &elf_mips_gnu_vtinherit_howto; |
| case BFD_RELOC_VTABLE_ENTRY: |
| return &elf_mips_gnu_vtentry_howto; |
| case BFD_RELOC_32_PCREL: |
| return &elf_mips_gnu_pcrel32; |
| case BFD_RELOC_MIPS_COPY: |
| return &elf_mips_copy_howto; |
| case BFD_RELOC_MIPS_JUMP_SLOT: |
| return &elf_mips_jump_slot_howto; |
| case BFD_RELOC_MIPS_EH: |
| return &elf_mips_eh_howto; |
| } |
| } |
| |
| static reloc_howto_type * |
| bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| const char *r_name) |
| { |
| unsigned int i; |
| |
| for (i = 0; |
| i < (sizeof (elf_mips_howto_table_rel) |
| / sizeof (elf_mips_howto_table_rel[0])); |
| i++) |
| if (elf_mips_howto_table_rel[i].name != NULL |
| && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0) |
| return &elf_mips_howto_table_rel[i]; |
| |
| for (i = 0; |
| i < (sizeof (elf_mips16_howto_table_rel) |
| / sizeof (elf_mips16_howto_table_rel[0])); |
| i++) |
| if (elf_mips16_howto_table_rel[i].name != NULL |
| && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0) |
| return &elf_mips16_howto_table_rel[i]; |
| |
| for (i = 0; |
| i < (sizeof (elf_micromips_howto_table_rel) |
| / sizeof (elf_micromips_howto_table_rel[0])); |
| i++) |
| if (elf_micromips_howto_table_rel[i].name != NULL |
| && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0) |
| return &elf_micromips_howto_table_rel[i]; |
| |
| if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) |
| return &elf_mips_gnu_pcrel32; |
| if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) |
| return &elf_mips_gnu_rel16_s2; |
| if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) |
| return &elf_mips_gnu_vtinherit_howto; |
| if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) |
| return &elf_mips_gnu_vtentry_howto; |
| if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) |
| return &elf_mips_copy_howto; |
| if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) |
| return &elf_mips_jump_slot_howto; |
| if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0) |
| return &elf_mips_eh_howto; |
| |
| return NULL; |
| } |
| |
| /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
| |
| static reloc_howto_type * |
| mips_elf32_rtype_to_howto (bfd *abfd, |
| unsigned int r_type, |
| bool rela_p ATTRIBUTE_UNUSED) |
| { |
| reloc_howto_type *howto = NULL; |
| |
| switch (r_type) |
| { |
| case R_MIPS_GNU_VTINHERIT: |
| return &elf_mips_gnu_vtinherit_howto; |
| case R_MIPS_GNU_VTENTRY: |
| return &elf_mips_gnu_vtentry_howto; |
| case R_MIPS_GNU_REL16_S2: |
| return &elf_mips_gnu_rel16_s2; |
| case R_MIPS_PC32: |
| return &elf_mips_gnu_pcrel32; |
| case R_MIPS_COPY: |
| return &elf_mips_copy_howto; |
| case R_MIPS_JUMP_SLOT: |
| return &elf_mips_jump_slot_howto; |
| case R_MIPS_EH: |
| return &elf_mips_eh_howto; |
| default: |
| if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max) |
| howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min]; |
| if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) |
| howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; |
| if (r_type < R_MIPS_max) |
| howto = &elf_mips_howto_table_rel[r_type]; |
| if (howto != NULL && howto->name != NULL) |
| return howto; |
| |
| _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
| abfd, r_type); |
| bfd_set_error (bfd_error_bad_value); |
| return NULL; |
| } |
| } |
| |
| /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
| |
| static bool |
| mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
| { |
| unsigned int r_type; |
| |
| r_type = ELF32_R_TYPE (dst->r_info); |
| cache_ptr->howto = mips_elf32_rtype_to_howto (abfd, r_type, false); |
| |
| if (cache_ptr->howto == NULL) |
| return false; |
| |
| /* The addend for a GPREL16 or LITERAL relocation comes from the GP |
| value for the object file. We get the addend now, rather than |
| when we do the relocation, because the symbol manipulations done |
| by the linker may cause us to lose track of the input BFD. */ |
| if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 |
| && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type))) |
| cache_ptr->addend = elf_gp (abfd); |
| |
| return true; |
| } |
| |
| /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ |
| |
| static bool |
| mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
| { |
| return mips_info_to_howto_rel (abfd, cache_ptr, dst); |
| |
| /* If we ever need to do any extra processing with dst->r_addend |
| (the field omitted in an Elf_Internal_Rel) we can do it here. */ |
| } |
| |
| /* Determine whether a symbol is global for the purposes of splitting |
| the symbol table into global symbols and local symbols. At least |
| on Irix 5, this split must be between section symbols and all other |
| symbols. On most ELF targets the split is between static symbols |
| and externally visible symbols. */ |
| |
| static bool |
| mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) |
| { |
| if (SGI_COMPAT (abfd)) |
| return (sym->flags & BSF_SECTION_SYM) == 0; |
| else |
| return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 |
| || bfd_is_und_section (bfd_asymbol_section (sym)) |
| || bfd_is_com_section (bfd_asymbol_section (sym))); |
| } |
| |
| /* Likewise, return TRUE if the symbol table split overall must be |
| between section symbols and all other symbols. */ |
| static bool |
| mips_elf32_elfsym_local_is_section (bfd *abfd) |
| { |
| return SGI_COMPAT (abfd); |
| } |
| |
| /* Set the right machine number for a MIPS ELF file. */ |
| |
| static bool |
| mips_elf32_object_p (bfd *abfd) |
| { |
| unsigned long mach; |
| |
| if (ABI_N32_P (abfd)) |
| return false; |
| |
| /* Irix 5 and 6 are broken. Object file symbol tables are not always |
| sorted correctly such that local symbols precede global symbols, |
| and the sh_info field in the symbol table is not always right. */ |
| if (SGI_COMPAT (abfd)) |
| elf_bad_symtab (abfd) = true; |
| |
| mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); |
| bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); |
| return true; |
| } |
| |
| /* MIPS ELF local labels start with '$', not 'L'. */ |
| |
| static bool |
| mips_elf_is_local_label_name (bfd *abfd, const char *name) |
| { |
| if (name[0] == '$') |
| return true; |
| |
| /* On Irix 6, the labels go back to starting with '.', so we accept |
| the generic ELF local label syntax as well. */ |
| return _bfd_elf_is_local_label_name (abfd, name); |
| } |
| |
| /* Support for core dump NOTE sections. */ |
| static bool |
| elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
| { |
| int offset; |
| unsigned int size; |
| |
| switch (note->descsz) |
| { |
| default: |
| return false; |
| |
| case 256: /* Linux/MIPS */ |
| /* pr_cursig */ |
| elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); |
| |
| /* pr_pid */ |
| elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); |
| |
| /* pr_reg */ |
| offset = 72; |
| size = 180; |
| |
| break; |
| } |
| |
| /* Make a ".reg/999" section. */ |
| return _bfd_elfcore_make_pseudosection (abfd, ".reg", |
| size, note->descpos + offset); |
| } |
| |
| static bool |
| elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
| { |
| switch (note->descsz) |
| { |
| default: |
| return false; |
| |
| case 128: /* Linux/MIPS elf_prpsinfo */ |
| elf_tdata (abfd)->core->pid |
| = bfd_get_32 (abfd, note->descdata + 16); |
| elf_tdata (abfd)->core->program |
| = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); |
| elf_tdata (abfd)->core->command |
| = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); |
| } |
| |
| /* Note that for some reason, a spurious space is tacked |
| onto the end of the args in some (at least one anyway) |
| implementations, so strip it off if it exists. */ |
| |
| { |
| char *command = elf_tdata (abfd)->core->command; |
| int n = strlen (command); |
| |
| if (0 < n && command[n - 1] == ' ') |
| command[n - 1] = '\0'; |
| } |
| |
| return true; |
| } |
| |
| /* Write Linux core PRSTATUS note into core file. */ |
| |
| static char * |
| elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, |
| ...) |
| { |
| switch (note_type) |
| { |
| default: |
| return NULL; |
| |
| case NT_PRPSINFO: |
| BFD_FAIL (); |
| return NULL; |
| |
| case NT_PRSTATUS: |
| { |
| char data[256]; |
| va_list ap; |
| long pid; |
| int cursig; |
| const void *greg; |
| |
| va_start (ap, note_type); |
| memset (data, 0, 72); |
| pid = va_arg (ap, long); |
| bfd_put_32 (abfd, pid, data + 24); |
| cursig = va_arg (ap, int); |
| bfd_put_16 (abfd, cursig, data + 12); |
| greg = va_arg (ap, const void *); |
| memcpy (data + 72, greg, 180); |
| memset (data + 252, 0, 4); |
| va_end (ap); |
| return elfcore_write_note (abfd, buf, bufsiz, |
| "CORE", note_type, data, sizeof (data)); |
| } |
| } |
| } |
| |
| /* Remove the magic _gp_disp symbol from the symbol tables. */ |
| |
| static bool |
| elf32_mips_fixup_symbol (struct bfd_link_info *info, |
| struct elf_link_hash_entry *h) |
| { |
| if (strcmp (h->root.root.string, "_gp_disp") == 0) |
| _bfd_elf_link_hash_hide_symbol (info, h, true); |
| return true; |
| } |
| |
| /* Depending on the target vector we generate some version of Irix |
| executables or "normal" MIPS ELF ABI executables. */ |
| static irix_compat_t |
| elf32_mips_irix_compat (bfd *abfd) |
| { |
| if ((abfd->xvec == &mips_elf32_be_vec) |
| || (abfd->xvec == &mips_elf32_le_vec)) |
| return ict_irix5; |
| else |
| return ict_none; |
| } |
| |
| /* 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_elf32_ecoff_debug_swap = { |
| /* Symbol table magic number. */ |
| magicSym, |
| /* Alignment of debugging information. E.g., 4. */ |
| 4, |
| /* 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 |
| }; |
| |
| #define ELF_ARCH bfd_arch_mips |
| #define ELF_TARGET_ID MIPS_ELF_DATA |
| #define ELF_MACHINE_CODE EM_MIPS |
| |
| #define elf_backend_collect true |
| #define elf_backend_type_change_ok true |
| #define elf_backend_can_gc_sections true |
| #define elf_backend_gc_mark_extra_sections \ |
| _bfd_mips_elf_gc_mark_extra_sections |
| #define elf_info_to_howto mips_info_to_howto_rela |
| #define elf_info_to_howto_rel mips_info_to_howto_rel |
| #define elf_backend_sym_is_global mips_elf_sym_is_global |
| #define elf_backend_object_p mips_elf32_object_p |
| #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing |
| #define elf_backend_section_processing _bfd_mips_elf_section_processing |
| #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_add_symbol_hook _bfd_mips_elf_add_symbol_hook |
| #define elf_backend_link_output_symbol_hook \ |
| _bfd_mips_elf_link_output_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_merge_symbol_attribute \ |
| _bfd_mips_elf_merge_symbol_attribute |
| #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag |
| #define elf_backend_adjust_dynamic_symbol \ |
| _bfd_mips_elf_adjust_dynamic_symbol |
| #define elf_backend_late_size_sections _bfd_mips_elf_late_size_sections |
| #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
| #define elf_backend_relocate_section _bfd_mips_elf_relocate_section |
| #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_final_write_processing \ |
| _bfd_mips_elf_final_write_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_gc_mark_hook _bfd_mips_elf_gc_mark_hook |
| #define elf_backend_copy_indirect_symbol \ |
| _bfd_mips_elf_copy_indirect_symbol |
| #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol |
| #define elf_backend_fixup_symbol elf32_mips_fixup_symbol |
| #define elf_backend_grok_prstatus elf32_mips_grok_prstatus |
| #define elf_backend_grok_psinfo elf32_mips_grok_psinfo |
| #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap |
| |
| #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) |
| #define elf_backend_want_dynrelro 1 |
| #define elf_backend_may_use_rel_p 1 |
| #define elf_backend_may_use_rela_p 0 |
| #define elf_backend_default_use_rela_p 0 |
| #define elf_backend_sign_extend_vma true |
| #define elf_backend_plt_readonly 1 |
| |
| #define elf_backend_discard_info _bfd_mips_elf_discard_info |
| #define elf_backend_ignore_discarded_relocs \ |
| _bfd_mips_elf_ignore_discarded_relocs |
| #define elf_backend_write_section _bfd_mips_elf_write_section |
| #define elf_backend_elfsym_local_is_section \ |
| mips_elf32_elfsym_local_is_section |
| #define elf_backend_mips_irix_compat elf32_mips_irix_compat |
| #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto |
| #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p |
| |
| #define bfd_elf32_bfd_is_local_label_name \ |
| mips_elf_is_local_label_name |
| #define bfd_elf32_bfd_is_target_special_symbol \ |
| _bfd_mips_elf_is_target_special_symbol |
| #define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab |
| #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line |
| #define bfd_elf32_find_nearest_line_with_alt \ |
| _bfd_mips_elf_find_nearest_line_with_alt |
| #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info |
| #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook |
| #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents |
| #define bfd_elf32_bfd_get_relocated_section_contents \ |
| _bfd_elf_mips_get_relocated_section_contents |
| #define bfd_elf32_bfd_link_hash_table_create \ |
| _bfd_mips_elf_link_hash_table_create |
| #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link |
| #define bfd_elf32_bfd_merge_private_bfd_data \ |
| _bfd_mips_elf_merge_private_bfd_data |
| #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags |
| #define bfd_elf32_bfd_print_private_bfd_data \ |
| _bfd_mips_elf_print_private_bfd_data |
| #define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section |
| #define bfd_elf32_mkobject _bfd_mips_elf_mkobject |
| #define bfd_elf32_bfd_free_cached_info _bfd_mips_elf_free_cached_info |
| |
| /* Support for SGI-ish mips targets. */ |
| #define TARGET_LITTLE_SYM mips_elf32_le_vec |
| #define TARGET_LITTLE_NAME "elf32-littlemips" |
| #define TARGET_BIG_SYM mips_elf32_be_vec |
| #define TARGET_BIG_NAME "elf32-bigmips" |
| |
| /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses |
| a value of 0x1000, and we are compatible. */ |
| #define ELF_MAXPAGESIZE 0x1000 |
| #define ELF_COMMONPAGESIZE 0x1000 |
| |
| #include "elf32-target.h" |
| |
| /* Support for traditional mips targets. */ |
| #undef TARGET_LITTLE_SYM |
| #undef TARGET_LITTLE_NAME |
| #undef TARGET_BIG_SYM |
| #undef TARGET_BIG_NAME |
| |
| #undef ELF_MAXPAGESIZE |
| #undef ELF_COMMONPAGESIZE |
| |
| #define TARGET_LITTLE_SYM mips_elf32_trad_le_vec |
| #define TARGET_LITTLE_NAME "elf32-tradlittlemips" |
| #define TARGET_BIG_SYM mips_elf32_trad_be_vec |
| #define TARGET_BIG_NAME "elf32-tradbigmips" |
| |
| /* The MIPS ABI says at Page 5-1: |
| Virtual addresses and file offsets for MIPS segments are congruent |
| modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes |
| is the maximum page size, the files are suitable for paging |
| regardless of physical page size. */ |
| #define ELF_MAXPAGESIZE 0x10000 |
| #define ELF_COMMONPAGESIZE 0x1000 |
| #define elf32_bed elf32_tradbed |
| |
| #undef elf_backend_write_core_note |
| #define elf_backend_write_core_note elf32_mips_write_core_note |
| |
| /* Include the target file again for this target. */ |
| #include "elf32-target.h" |
| |
| /* FreeBSD support. */ |
| |
| #undef TARGET_LITTLE_SYM |
| #undef TARGET_LITTLE_NAME |
| #undef TARGET_BIG_SYM |
| #undef TARGET_BIG_NAME |
| |
| #define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec |
| #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd" |
| #define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec |
| #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd" |
| |
| #undef ELF_OSABI |
| #define ELF_OSABI ELFOSABI_FREEBSD |
| |
| #undef elf32_bed |
| #define elf32_bed elf32_fbsd_tradbed |
| |
| #undef elf_backend_write_core_note |
| |
| #include "elf32-target.h" |
| /* Implement elf_backend_final_write_processing for VxWorks. */ |
| |
| static bool |
| mips_vxworks_final_write_processing (bfd *abfd) |
| { |
| _bfd_mips_final_write_processing (abfd); |
| return elf_vxworks_final_write_processing (abfd); |
| } |
| |
| #undef TARGET_LITTLE_SYM |
| #undef TARGET_LITTLE_NAME |
| #undef TARGET_BIG_SYM |
| #undef TARGET_BIG_NAME |
| |
| #undef ELF_MAXPAGESIZE |
| #undef ELF_COMMONPAGESIZE |
| |
| #define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec |
| #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" |
| #define TARGET_BIG_SYM mips_elf32_vxworks_be_vec |
| #define TARGET_BIG_NAME "elf32-bigmips-vxworks" |
| #undef ELF_OSABI |
| |
| #undef elf32_bed |
| #define elf32_bed elf32_mips_vxworks_bed |
| |
| #define ELF_MAXPAGESIZE 0x1000 |
| #define ELF_COMMONPAGESIZE 0x1000 |
| |
| #undef ELF_TARGET_OS |
| #define ELF_TARGET_OS is_vxworks |
| |
| #undef elf_backend_want_got_plt |
| #define elf_backend_want_got_plt 1 |
| #undef elf_backend_want_plt_sym |
| #define elf_backend_want_plt_sym 1 |
| #undef elf_backend_may_use_rel_p |
| #define elf_backend_may_use_rel_p 0 |
| #undef elf_backend_may_use_rela_p |
| #define elf_backend_may_use_rela_p 1 |
| #undef elf_backend_default_use_rela_p |
| #define elf_backend_default_use_rela_p 1 |
| #undef elf_backend_got_header_size |
| #define elf_backend_got_header_size (4 * 3) |
| #undef elf_backend_dtrel_excludes_plt |
| #define elf_backend_dtrel_excludes_plt 1 |
| |
| #undef elf_backend_finish_dynamic_symbol |
| #define elf_backend_finish_dynamic_symbol \ |
| _bfd_mips_vxworks_finish_dynamic_symbol |
| #undef bfd_elf32_bfd_link_hash_table_create |
| #define bfd_elf32_bfd_link_hash_table_create \ |
| _bfd_mips_vxworks_link_hash_table_create |
| #undef elf_backend_add_symbol_hook |
| #define elf_backend_add_symbol_hook \ |
| elf_vxworks_add_symbol_hook |
| #undef elf_backend_link_output_symbol_hook |
| #define elf_backend_link_output_symbol_hook \ |
| elf_vxworks_link_output_symbol_hook |
| #undef elf_backend_emit_relocs |
| #define elf_backend_emit_relocs \ |
| elf_vxworks_emit_relocs |
| #undef elf_backend_final_write_processing |
| #define elf_backend_final_write_processing \ |
| mips_vxworks_final_write_processing |
| |
| #undef elf_backend_additional_program_headers |
| #undef elf_backend_modify_segment_map |
| #undef elf_backend_symbol_processing |
| /* NOTE: elf_backend_rela_normal is not defined for MIPS. */ |
| |
| #undef bfd_elf32_get_synthetic_symtab |
| |
| #include "elf32-target.h" |