diff options
Diffstat (limited to 'binutils/bfd/elfxx-riscv.c')
| -rw-r--r-- | binutils/bfd/elfxx-riscv.c | 814 |
1 files changed, 0 insertions, 814 deletions
diff --git a/binutils/bfd/elfxx-riscv.c b/binutils/bfd/elfxx-riscv.c deleted file mode 100644 index e51514c..0000000 --- a/binutils/bfd/elfxx-riscv.c +++ /dev/null @@ -1,814 +0,0 @@ -/* RISC-V-specific support for ELF. - Copyright 2011-2015 Free Software Foundation, Inc. - - Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. - Based on TILE-Gx and MIPS targets. - - 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; see the file COPYING3. If not, - see <http://www.gnu.org/licenses/>. */ - -#include "sysdep.h" -#include "bfd.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/riscv.h" -#include "opcode/riscv.h" -#include "libiberty.h" -#include "elfxx-riscv.h" -#include <stdint.h> - -#define MINUS_ONE ((bfd_vma)0 - 1) - -/* The relocation table used for SHT_RELA sections. */ - -static reloc_howto_type howto_table[] = -{ - /* No relocation. */ - HOWTO (R_RISCV_NONE, /* type */ - 0, /* rightshift */ - 3, /* size */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 32 bit relocation. */ - HOWTO (R_RISCV_32, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_32", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 64 bit relocation. */ - HOWTO (R_RISCV_64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_64", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Relocation against a local symbol in a shared object. */ - HOWTO (R_RISCV_RELATIVE, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_RELATIVE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_COPY, /* type */ - 0, /* rightshift */ - 0, /* this one is variable size */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_COPY", /* name */ - FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_JUMP_SLOT, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_JUMP_SLOT", /* name */ - FALSE, /* partial_inplace */ - 0x0, /* src_mask */ - 0x0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Dynamic TLS relocations. */ - HOWTO (R_RISCV_TLS_DTPMOD32, /* type */ - 0, /* rightshift */ - 4, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_DTPMOD32", /* name */ - FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_TLS_DTPMOD64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_DTPMOD64", /* name */ - FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_TLS_DTPREL32, /* type */ - 0, /* rightshift */ - 4, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_DTPREL32", /* name */ - TRUE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_TLS_DTPREL64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_DTPREL64", /* name */ - TRUE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_TLS_TPREL32, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_TPREL32", /* name */ - FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_RISCV_TLS_TPREL64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_TPREL64", /* name */ - FALSE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Reserved for future relocs that the dynamic linker must understand. */ - EMPTY_HOWTO (12), - EMPTY_HOWTO (13), - EMPTY_HOWTO (14), - EMPTY_HOWTO (15), - - /* 12-bit PC-relative branch offset. */ - HOWTO (R_RISCV_BRANCH, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_BRANCH", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_SBTYPE_IMM (-1U), /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* 20-bit PC-relative jump offset. */ - HOWTO (R_RISCV_JAL, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - /* This needs complex overflow - detection, because the upper 36 - bits must match the PC + 4. */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_JAL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UJTYPE_IMM (-1U), /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* 32-bit PC-relative function call (AUIPC/JALR). */ - HOWTO (R_RISCV_CALL, /* type */ - 0, /* rightshift */ - 2, /* size */ - 64, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_CALL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), - /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* 32-bit PC-relative function call (AUIPC/JALR). */ - HOWTO (R_RISCV_CALL_PLT, /* type */ - 0, /* rightshift */ - 2, /* size */ - 64, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_CALL_PLT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U) | ((bfd_vma) ENCODE_ITYPE_IMM (-1U) << 32), - /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* High 20 bits of 32-bit PC-relative GOT access. */ - HOWTO (R_RISCV_GOT_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_GOT_HI20", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 20 bits of 32-bit PC-relative TLS IE GOT access. */ - HOWTO (R_RISCV_TLS_GOT_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_GOT_HI20", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 20 bits of 32-bit PC-relative TLS GD GOT reference. */ - HOWTO (R_RISCV_TLS_GD_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TLS_GD_HI20", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 20 bits of 32-bit PC-relative reference. */ - HOWTO (R_RISCV_PCREL_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_PCREL_HI20", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* Low 12 bits of a 32-bit PC-relative load or add. */ - HOWTO (R_RISCV_PCREL_LO12_I, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_PCREL_LO12_I", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_ITYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Low 12 bits of a 32-bit PC-relative store. */ - HOWTO (R_RISCV_PCREL_LO12_S, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_PCREL_LO12_S", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_STYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 20 bits of 32-bit absolute address. */ - HOWTO (R_RISCV_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_HI20", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 12 bits of 32-bit load or add. */ - HOWTO (R_RISCV_LO12_I, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_LO12_I", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_ITYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 12 bits of 32-bit store. */ - HOWTO (R_RISCV_LO12_S, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_LO12_S", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_STYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 20 bits of TLS LE thread pointer offset. */ - HOWTO (R_RISCV_TPREL_HI20, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TPREL_HI20", /* name */ - TRUE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_UTYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Low 12 bits of TLS LE thread pointer offset for loads and adds. */ - HOWTO (R_RISCV_TPREL_LO12_I, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TPREL_LO12_I", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_ITYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Low 12 bits of TLS LE thread pointer offset for stores. */ - HOWTO (R_RISCV_TPREL_LO12_S, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TPREL_LO12_S", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_STYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* TLS LE thread pointer usage. */ - HOWTO (R_RISCV_TPREL_ADD, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_TPREL_ADD", /* name */ - TRUE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 8-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_ADD8, /* type */ - 0, /* rightshift */ - 0, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_ADD8", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_ADD16, /* type */ - 0, /* rightshift */ - 1, /* size */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_ADD16", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 32-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_ADD32, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_ADD32", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 64-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_ADD64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_ADD64", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 8-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_SUB8, /* type */ - 0, /* rightshift */ - 0, /* size */ - 8, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_SUB8", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_SUB16, /* type */ - 0, /* rightshift */ - 1, /* size */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_SUB16", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 32-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_SUB32, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_SUB32", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 64-bit in-place addition, for local label subtraction. */ - HOWTO (R_RISCV_SUB64, /* type */ - 0, /* rightshift */ - 4, /* size */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_SUB64", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_RISCV_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 4, /* size */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - NULL, /* special_function */ - "R_RISCV_GNU_VTINHERIT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* GNU extension to record C++ vtable member usage */ - HOWTO (R_RISCV_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_RISCV_GNU_VTENTRY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Indicates an alignment statement. The addend field encodes how many - bytes of NOPs follow the statement. The desired alignment is the - addend rounded up to the next power of two. */ - HOWTO (R_RISCV_ALIGN, /* type */ - 0, /* rightshift */ - 2, /* size */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_ALIGN", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* 8-bit PC-relative branch offset. */ - HOWTO (R_RISCV_RVC_BRANCH, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_RVC_BRANCH", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_RVC_B_IMM (-1U), /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* 11-bit PC-relative jump offset. */ - HOWTO (R_RISCV_RVC_JUMP, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - /* This needs complex overflow - detection, because the upper 36 - bits must match the PC + 4. */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_RVC_JUMP", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_RVC_J_IMM (-1U), /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* High 6 bits of 18-bit absolute address. */ - HOWTO (R_RISCV_RVC_LUI, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_RVC_LUI", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_RVC_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 12 bits of 32-bit load or add. */ - HOWTO (R_RISCV_GPREL_I, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_GPREL_I", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_ITYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* High 12 bits of 32-bit store. */ - HOWTO (R_RISCV_GPREL_S, /* type */ - 0, /* rightshift */ - 2, /* size */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_RISCV_GPREL_S", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - ENCODE_STYPE_IMM (-1U), /* dst_mask */ - FALSE), /* pcrel_offset */ -}; - -/* A mapping from BFD reloc types to RISC-V ELF reloc types. */ - -struct elf_reloc_map { - bfd_reloc_code_real_type bfd_val; - enum elf_riscv_reloc_type elf_val; -}; - -static const struct elf_reloc_map riscv_reloc_map[] = -{ - { BFD_RELOC_NONE, R_RISCV_NONE }, - { BFD_RELOC_32, R_RISCV_32 }, - { BFD_RELOC_64, R_RISCV_64 }, - { BFD_RELOC_RISCV_ADD8, R_RISCV_ADD8 }, - { BFD_RELOC_RISCV_ADD16, R_RISCV_ADD16 }, - { BFD_RELOC_RISCV_ADD32, R_RISCV_ADD32 }, - { BFD_RELOC_RISCV_ADD64, R_RISCV_ADD64 }, - { BFD_RELOC_RISCV_SUB8, R_RISCV_SUB8 }, - { BFD_RELOC_RISCV_SUB16, R_RISCV_SUB16 }, - { BFD_RELOC_RISCV_SUB32, R_RISCV_SUB32 }, - { BFD_RELOC_RISCV_SUB64, R_RISCV_SUB64 }, - { BFD_RELOC_CTOR, R_RISCV_64 }, - { BFD_RELOC_12_PCREL, R_RISCV_BRANCH }, - { BFD_RELOC_RISCV_HI20, R_RISCV_HI20 }, - { BFD_RELOC_RISCV_LO12_I, R_RISCV_LO12_I }, - { BFD_RELOC_RISCV_LO12_S, R_RISCV_LO12_S }, - { BFD_RELOC_RISCV_PCREL_LO12_I, R_RISCV_PCREL_LO12_I }, - { BFD_RELOC_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_S }, - { BFD_RELOC_RISCV_CALL, R_RISCV_CALL }, - { BFD_RELOC_RISCV_CALL_PLT, R_RISCV_CALL_PLT }, - { BFD_RELOC_RISCV_PCREL_HI20, R_RISCV_PCREL_HI20 }, - { BFD_RELOC_RISCV_JMP, R_RISCV_JAL }, - { BFD_RELOC_RISCV_GOT_HI20, R_RISCV_GOT_HI20 }, - { BFD_RELOC_RISCV_TLS_DTPMOD32, R_RISCV_TLS_DTPMOD32 }, - { BFD_RELOC_RISCV_TLS_DTPREL32, R_RISCV_TLS_DTPREL32 }, - { BFD_RELOC_RISCV_TLS_DTPMOD64, R_RISCV_TLS_DTPMOD64 }, - { BFD_RELOC_RISCV_TLS_DTPREL64, R_RISCV_TLS_DTPREL64 }, - { BFD_RELOC_RISCV_TLS_TPREL32, R_RISCV_TLS_TPREL32 }, - { BFD_RELOC_RISCV_TLS_TPREL64, R_RISCV_TLS_TPREL64 }, - { BFD_RELOC_RISCV_TPREL_HI20, R_RISCV_TPREL_HI20 }, - { BFD_RELOC_RISCV_TPREL_ADD, R_RISCV_TPREL_ADD }, - { BFD_RELOC_RISCV_TPREL_LO12_S, R_RISCV_TPREL_LO12_S }, - { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I }, - { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 }, - { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 }, - { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN }, - { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH }, - { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP }, - { BFD_RELOC_RISCV_RVC_LUI, R_RISCV_RVC_LUI }, - { BFD_RELOC_RISCV_GPREL_I, R_RISCV_GPREL_I }, - { BFD_RELOC_RISCV_GPREL_S, R_RISCV_GPREL_S }, -}; - -/* Given a BFD reloc type, return a howto structure. */ - -reloc_howto_type * -riscv_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE (riscv_reloc_map); i++) - if (riscv_reloc_map[i].bfd_val == code) - return &howto_table[(int) riscv_reloc_map[i].elf_val]; - - bfd_set_error (bfd_error_bad_value); - return NULL; -} - -reloc_howto_type * -riscv_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE (howto_table); i++) - if (howto_table[i].name && strcasecmp (howto_table[i].name, r_name) == 0) - return &howto_table[i]; - - return NULL; -} - -reloc_howto_type * -riscv_elf_rtype_to_howto (unsigned int r_type) -{ - if (r_type >= ARRAY_SIZE (howto_table)) - { - (*_bfd_error_handler) (_("unrecognized relocation (0x%x)"), r_type); - bfd_set_error (bfd_error_bad_value); - return NULL; - } - return &howto_table[r_type]; -} |