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- /* Or1k-specific support for 32-bit ELF.
- Copyright (C) 2001-2015 Free Software Foundation, Inc.
- Contributed for OR32 by Johan Rydberg, jrydberg@opencores.org
- PIC parts added by Stefan Kristiansson, stefan.kristiansson@saunalahti.fi,
- largely based on elf32-m32r.c and elf32-microblaze.c.
- 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, see <http://www.gnu.org/licenses/>. */
- #include "sysdep.h"
- #include "bfd.h"
- #include "libbfd.h"
- #include "elf-bfd.h"
- #include "elf/or1k.h"
- #include "libiberty.h"
- #define PLT_ENTRY_SIZE 20
- #define PLT0_ENTRY_WORD0 0x19800000 /* l.movhi r12, 0 <- hi(.got+4) */
- #define PLT0_ENTRY_WORD1 0xa98c0000 /* l.ori r12, r12, 0 <- lo(.got+4) */
- #define PLT0_ENTRY_WORD2 0x85ec0004 /* l.lwz r15, 4(r12) <- *(.got+8)*/
- #define PLT0_ENTRY_WORD3 0x44007800 /* l.jr r15 */
- #define PLT0_ENTRY_WORD4 0x858c0000 /* l.lwz r12, 0(r12) */
- #define PLT0_PIC_ENTRY_WORD0 0x85900004 /* l.lwz r12, 4(r16) */
- #define PLT0_PIC_ENTRY_WORD1 0x85f00008 /* l.lwz r15, 8(r16) */
- #define PLT0_PIC_ENTRY_WORD2 0x44007800 /* l.jr r15 */
- #define PLT0_PIC_ENTRY_WORD3 0x15000000 /* l.nop */
- #define PLT0_PIC_ENTRY_WORD4 0x15000000 /* l.nop */
- #define PLT_ENTRY_WORD0 0x19800000 /* l.movhi r12, 0 <- hi(got idx addr) */
- #define PLT_ENTRY_WORD1 0xa98c0000 /* l.ori r12, r12, 0 <- lo(got idx addr) */
- #define PLT_ENTRY_WORD2 0x858c0000 /* l.lwz r12, 0(r12) */
- #define PLT_ENTRY_WORD3 0x44006000 /* l.jr r12 */
- #define PLT_ENTRY_WORD4 0xa9600000 /* l.ori r11, r0, 0 <- reloc offset */
- #define PLT_PIC_ENTRY_WORD0 0x85900000 /* l.lwz r12, 0(r16) <- index in got */
- #define PLT_PIC_ENTRY_WORD1 0xa9600000 /* l.ori r11, r0, 0 <- reloc offset */
- #define PLT_PIC_ENTRY_WORD2 0x44006000 /* l.jr r12 */
- #define PLT_PIC_ENTRY_WORD3 0x15000000 /* l.nop */
- #define PLT_PIC_ENTRY_WORD4 0x15000000 /* l.nop */
- #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
- static reloc_howto_type or1k_elf_howto_table[] =
- {
- /* This reloc does nothing. */
- HOWTO (R_OR1K_NONE, /* type */
- 0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_NONE", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_32,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_32", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_16,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_8,
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 8, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_unsigned, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_8", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_LO_16_IN_INSN, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_LO_16_IN_INSN", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_HI_16_IN_INSN, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_HI_16_IN_INSN", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x0000ffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- /* A PC relative 26 bit relocation, right shifted by 2. */
- HOWTO (R_OR1K_INSN_REL_26, /* type */
- 2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 26, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_INSN_REL_26", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0x03ffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
- /* GNU extension to record C++ vtable hierarchy. */
- HOWTO (R_OR1K_GNU_VTINHERIT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- NULL, /* special_function */
- "R_OR1K_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_OR1K_GNU_VTENTRY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 0, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- _bfd_elf_rel_vtable_reloc_fn, /* special_function */
- "R_OR1K_GNU_VTENTRY", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_32_PCREL,
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_32_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
- HOWTO (R_OR1K_16_PCREL,
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_16_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
- HOWTO (R_OR1K_8_PCREL,
- 0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
- 8, /* bitsize */
- TRUE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_8_PCREL", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xff, /* dst_mask */
- TRUE), /* pcrel_offset */
- HOWTO (R_OR1K_GOTPC_HI16, /* Type. */
- 16, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 16, /* Bitsize. */
- TRUE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_dont, /* Complain on overflow. */
- bfd_elf_generic_reloc, /* Special Function. */
- "R_OR1K_GOTPC_HI16", /* Name. */
- FALSE, /* Partial Inplace. */
- 0, /* Source Mask. */
- 0xffff, /* Dest Mask. */
- TRUE), /* PC relative offset? */
- HOWTO (R_OR1K_GOTPC_LO16, /* Type. */
- 0, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 16, /* Bitsize. */
- TRUE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_dont, /* Complain on overflow. */
- bfd_elf_generic_reloc, /* Special Function. */
- "R_OR1K_GOTPC_LO16", /* Name. */
- FALSE, /* Partial Inplace. */
- 0, /* Source Mask. */
- 0xffff, /* Dest Mask. */
- TRUE), /* PC relative offset? */
- HOWTO (R_OR1K_GOT16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_GOT16", /* name */
- FALSE, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- /* A 26 bit PLT relocation. Shifted by 2. */
- HOWTO (R_OR1K_PLT26, /* Type. */
- 2, /* Rightshift. */
- 2, /* Size (0 = byte, 1 = short, 2 = long). */
- 26, /* Bitsize. */
- TRUE, /* PC_relative. */
- 0, /* Bitpos. */
- complain_overflow_dont, /* Complain on overflow. */
- bfd_elf_generic_reloc,/* Special Function. */
- "R_OR1K_PLT26", /* Name. */
- FALSE, /* Partial Inplace. */
- 0, /* Source Mask. */
- 0x03ffffff, /* Dest Mask. */
- TRUE), /* PC relative offset? */
- HOWTO (R_OR1K_GOTOFF_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_GOTOFF_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_GOTOFF_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_GOTOFF_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_COPY, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_COPY", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_GLOB_DAT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_GLOB_DAT", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_JMP_SLOT, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_JMP_SLOT", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_RELATIVE, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_RELATIVE", /* name */
- FALSE, /* partial_inplace */
- 0xffffffff, /* src_mask */
- 0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_GD_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_GD_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_GD_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_GD_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LDM_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LDM_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LDM_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LDM_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LDO_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LDO_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LDO_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LDO_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_IE_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_IE_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_IE_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_IE_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LE_HI16, /* type */
- 16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LE_HI16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- HOWTO (R_OR1K_TLS_LE_LO16, /* type */
- 0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- FALSE, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
- "R_OR1K_TLS_LE_LO16", /* name */
- FALSE, /* partial_inplace */
- 0x0, /* src_mask */
- 0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
- };
- /* Map BFD reloc types to Or1k ELF reloc types. */
- struct or1k_reloc_map
- {
- bfd_reloc_code_real_type bfd_reloc_val;
- unsigned int or1k_reloc_val;
- };
- static const struct or1k_reloc_map or1k_reloc_map[] =
- {
- { BFD_RELOC_NONE, R_OR1K_NONE },
- { BFD_RELOC_32, R_OR1K_32 },
- { BFD_RELOC_16, R_OR1K_16 },
- { BFD_RELOC_8, R_OR1K_8 },
- { BFD_RELOC_LO16, R_OR1K_LO_16_IN_INSN },
- { BFD_RELOC_HI16, R_OR1K_HI_16_IN_INSN },
- { BFD_RELOC_OR1K_REL_26, R_OR1K_INSN_REL_26 },
- { BFD_RELOC_VTABLE_ENTRY, R_OR1K_GNU_VTENTRY },
- { BFD_RELOC_VTABLE_INHERIT, R_OR1K_GNU_VTINHERIT },
- { BFD_RELOC_32_PCREL, R_OR1K_32_PCREL },
- { BFD_RELOC_16_PCREL, R_OR1K_16_PCREL },
- { BFD_RELOC_8_PCREL, R_OR1K_8_PCREL },
- { BFD_RELOC_OR1K_GOTPC_HI16, R_OR1K_GOTPC_HI16 },
- { BFD_RELOC_OR1K_GOTPC_LO16, R_OR1K_GOTPC_LO16 },
- { BFD_RELOC_OR1K_GOT16, R_OR1K_GOT16 },
- { BFD_RELOC_OR1K_PLT26, R_OR1K_PLT26 },
- { BFD_RELOC_OR1K_GOTOFF_HI16, R_OR1K_GOTOFF_HI16 },
- { BFD_RELOC_OR1K_GOTOFF_LO16, R_OR1K_GOTOFF_LO16 },
- { BFD_RELOC_OR1K_GLOB_DAT, R_OR1K_GLOB_DAT },
- { BFD_RELOC_OR1K_COPY, R_OR1K_COPY },
- { BFD_RELOC_OR1K_JMP_SLOT, R_OR1K_JMP_SLOT },
- { BFD_RELOC_OR1K_RELATIVE, R_OR1K_RELATIVE },
- { BFD_RELOC_OR1K_TLS_GD_HI16, R_OR1K_TLS_GD_HI16 },
- { BFD_RELOC_OR1K_TLS_GD_LO16, R_OR1K_TLS_GD_LO16 },
- { BFD_RELOC_OR1K_TLS_LDM_HI16, R_OR1K_TLS_LDM_HI16 },
- { BFD_RELOC_OR1K_TLS_LDM_LO16, R_OR1K_TLS_LDM_LO16 },
- { BFD_RELOC_OR1K_TLS_LDO_HI16, R_OR1K_TLS_LDO_HI16 },
- { BFD_RELOC_OR1K_TLS_LDO_LO16, R_OR1K_TLS_LDO_LO16 },
- { BFD_RELOC_OR1K_TLS_IE_HI16, R_OR1K_TLS_IE_HI16 },
- { BFD_RELOC_OR1K_TLS_IE_LO16, R_OR1K_TLS_IE_LO16 },
- { BFD_RELOC_OR1K_TLS_LE_HI16, R_OR1K_TLS_LE_HI16 },
- { BFD_RELOC_OR1K_TLS_LE_LO16, R_OR1K_TLS_LE_LO16 },
- };
- /* The linker needs to keep track of the number of relocs that it
- decides to copy as dynamic relocs in check_relocs for each symbol.
- This is so that it can later discard them if they are found to be
- unnecessary. We store the information in a field extending the
- regular ELF linker hash table. */
- struct elf_or1k_dyn_relocs
- {
- struct elf_or1k_dyn_relocs *next;
- /* The input section of the reloc. */
- asection *sec;
- /* Total number of relocs copied for the input section. */
- bfd_size_type count;
- /* Number of pc-relative relocs copied for the input section. */
- bfd_size_type pc_count;
- };
- #define TLS_UNKNOWN 0
- #define TLS_NONE 1
- #define TLS_GD 2
- #define TLS_LD 3
- #define TLS_IE 4
- #define TLS_LE 5
- /* ELF linker hash entry. */
- struct elf_or1k_link_hash_entry
- {
- struct elf_link_hash_entry root;
- /* Track dynamic relocs copied for this symbol. */
- struct elf_or1k_dyn_relocs *dyn_relocs;
- /* Track type of TLS access. */
- unsigned char tls_type;
- };
- /* ELF object data. */
- struct elf_or1k_obj_tdata
- {
- struct elf_obj_tdata root;
- /* tls_type for each local got entry. */
- unsigned char *local_tls_type;
- };
- #define elf_or1k_tdata(abfd) \
- ((struct elf_or1k_obj_tdata *) (abfd)->tdata.any)
- #define elf_or1k_local_tls_type(abfd) \
- (elf_or1k_tdata (abfd)->local_tls_type)
- /* ELF linker hash table. */
- struct elf_or1k_link_hash_table
- {
- struct elf_link_hash_table root;
- /* Short-cuts to get to dynamic linker sections. */
- asection *sgot;
- asection *sgotplt;
- asection *srelgot;
- asection *splt;
- asection *srelplt;
- asection *sdynbss;
- asection *srelbss;
- /* Small local sym to section mapping cache. */
- struct sym_cache sym_sec;
- };
- /* Get the ELF linker hash table from a link_info structure. */
- #define or1k_elf_hash_table(p) \
- (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
- == OR1K_ELF_DATA ? ((struct elf_or1k_link_hash_table *) ((p)->hash)) : NULL)
- static bfd_boolean
- elf_or1k_mkobject (bfd *abfd)
- {
- return bfd_elf_allocate_object (abfd, sizeof (struct elf_or1k_obj_tdata),
- OR1K_ELF_DATA);
- }
- /* Create an entry in an or1k ELF linker hash table. */
- static struct bfd_hash_entry *
- or1k_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
- struct bfd_hash_table *table,
- const char *string)
- {
- struct elf_or1k_link_hash_entry *ret =
- (struct elf_or1k_link_hash_entry *) entry;
- /* Allocate the structure if it has not already been allocated by a
- subclass. */
- if (ret == NULL)
- ret = bfd_hash_allocate (table,
- sizeof (struct elf_or1k_link_hash_entry));
- if (ret == NULL)
- return NULL;
- /* Call the allocation method of the superclass. */
- ret = ((struct elf_or1k_link_hash_entry *)
- _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
- table, string));
- if (ret != NULL)
- {
- struct elf_or1k_link_hash_entry *eh;
- eh = (struct elf_or1k_link_hash_entry *) ret;
- eh->dyn_relocs = NULL;
- eh->tls_type = TLS_UNKNOWN;
- }
- return (struct bfd_hash_entry *) ret;
- }
- /* Create an or1k ELF linker hash table. */
- static struct bfd_link_hash_table *
- or1k_elf_link_hash_table_create (bfd *abfd)
- {
- struct elf_or1k_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct elf_or1k_link_hash_table);
- ret = bfd_zmalloc (amt);
- if (ret == NULL)
- return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
- or1k_elf_link_hash_newfunc,
- sizeof (struct elf_or1k_link_hash_entry),
- OR1K_ELF_DATA))
- {
- free (ret);
- return NULL;
- }
- return &ret->root.root;
- }
- static reloc_howto_type *
- or1k_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
- bfd_reloc_code_real_type code)
- {
- unsigned int i;
- for (i = ARRAY_SIZE (or1k_reloc_map); i--;)
- if (or1k_reloc_map[i].bfd_reloc_val == code)
- return & or1k_elf_howto_table[or1k_reloc_map[i].or1k_reloc_val];
- return NULL;
- }
- static reloc_howto_type *
- or1k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
- const char *r_name)
- {
- unsigned int i;
- for (i = 0;
- i < (sizeof (or1k_elf_howto_table)
- / sizeof (or1k_elf_howto_table[0]));
- i++)
- if (or1k_elf_howto_table[i].name != NULL
- && strcasecmp (or1k_elf_howto_table[i].name, r_name) == 0)
- return &or1k_elf_howto_table[i];
- return NULL;
- }
- /* Set the howto pointer for an Or1k ELF reloc. */
- static void
- or1k_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
- arelent * cache_ptr,
- Elf_Internal_Rela * dst)
- {
- unsigned int r_type;
- r_type = ELF32_R_TYPE (dst->r_info);
- if (r_type >= (unsigned int) R_OR1K_max)
- {
- _bfd_error_handler (_("%B: invalid OR1K reloc number: %d"), abfd, r_type);
- r_type = 0;
- }
- cache_ptr->howto = & or1k_elf_howto_table[r_type];
- }
- /* Return the relocation value for @tpoff relocations.. */
- static bfd_vma
- tpoff (struct bfd_link_info *info, bfd_vma address)
- {
- /* If tls_sec is NULL, we should have signalled an error already. */
- if (elf_hash_table (info)->tls_sec == NULL)
- return 0;
- /* The thread pointer on or1k stores the address after the TCB where
- the data is, just compute the difference. No need to compensate
- for the size of TCB. */
- return (address - elf_hash_table (info)->tls_sec->vma);
- }
- /* Relocate an Or1k ELF section.
- The RELOCATE_SECTION function is called by the new ELF backend linker
- to handle the relocations for a section.
- The relocs are always passed as Rela structures; if the section
- actually uses Rel structures, the r_addend field will always be
- zero.
- This function is responsible for adjusting the section contents as
- necessary, and (if using Rela relocs and generating a relocatable
- output file) adjusting the reloc addend as necessary.
- This function does not have to worry about setting the reloc
- address or the reloc symbol index.
- LOCAL_SYMS is a pointer to the swapped in local symbols.
- LOCAL_SECTIONS is an array giving the section in the input file
- corresponding to the st_shndx field of each local symbol.
- The global hash table entry for the global symbols can be found
- via elf_sym_hashes (input_bfd).
- When generating relocatable output, this function must handle
- STB_LOCAL/STT_SECTION symbols specially. The output symbol is
- going to be the section symbol corresponding to the output
- section, which means that the addend must be adjusted
- accordingly. */
- static bfd_boolean
- or1k_elf_relocate_section (bfd *output_bfd,
- struct bfd_link_info *info,
- bfd *input_bfd,
- asection *input_section,
- bfd_byte *contents,
- Elf_Internal_Rela *relocs,
- Elf_Internal_Sym *local_syms,
- asection **local_sections)
- {
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- Elf_Internal_Rela *rel;
- Elf_Internal_Rela *relend;
- struct elf_or1k_link_hash_table *htab = or1k_elf_hash_table (info);
- bfd *dynobj;
- asection *sreloc;
- bfd_vma *local_got_offsets;
- asection *sgot;
- if (htab == NULL)
- return FALSE;
- dynobj = htab->root.dynobj;
- local_got_offsets = elf_local_got_offsets (input_bfd);
- sreloc = elf_section_data (input_section)->sreloc;
- sgot = htab->sgot;
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (input_bfd);
- relend = relocs + input_section->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- reloc_howto_type *howto;
- unsigned long r_symndx;
- Elf_Internal_Sym *sym;
- asection *sec;
- struct elf_link_hash_entry *h;
- bfd_vma relocation;
- bfd_reloc_status_type r;
- const char *name = NULL;
- int r_type;
- r_type = ELF32_R_TYPE (rel->r_info);
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_type == R_OR1K_GNU_VTINHERIT
- || r_type == R_OR1K_GNU_VTENTRY)
- continue;
- if (r_type < 0 || r_type >= (int) R_OR1K_max)
- {
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- howto = or1k_elf_howto_table + ELF32_R_TYPE (rel->r_info);
- h = NULL;
- sym = NULL;
- sec = NULL;
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- sec = local_sections[r_symndx];
- relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
- name = bfd_elf_string_from_elf_section
- (input_bfd, symtab_hdr->sh_link, sym->st_name);
- name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
- }
- else
- {
- bfd_boolean unresolved_reloc, warned, ignored;
- RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
- r_symndx, symtab_hdr, sym_hashes,
- h, sec, relocation,
- unresolved_reloc, warned, ignored);
- }
- if (sec != NULL && discarded_section (sec))
- RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, 1, relend, howto, 0, contents);
- if (bfd_link_relocatable (info))
- continue;
- switch (howto->type)
- {
- case R_OR1K_PLT26:
- {
- if (htab->splt != NULL && h != NULL
- && h->plt.offset != (bfd_vma) -1)
- {
- relocation = (htab->splt->output_section->vma
- + htab->splt->output_offset
- + h->plt.offset);
- }
- break;
- }
- case R_OR1K_GOT16:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- BFD_ASSERT (sgot != NULL);
- if (h != NULL)
- {
- bfd_boolean dyn;
- bfd_vma off;
- off = h->got.offset;
- BFD_ASSERT (off != (bfd_vma) -1);
- dyn = htab->root.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
- bfd_link_pic (info),
- h)
- || (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h)))
- {
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally, or the symbol was forced to be local
- because of a version file. We must initialize
- this entry in the global offset table. Since the
- offset must always be a multiple of 4, we use the
- least significant bit to record whether we have
- initialized it already.
- When doing a dynamic link, we create a .rela.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- /* Write entry in GOT. */
- bfd_put_32 (output_bfd, relocation,
- sgot->contents + off);
- /* Mark GOT entry as having been written. */
- h->got.offset |= 1;
- }
- }
- relocation = sgot->output_offset + off;
- }
- else
- {
- bfd_vma off;
- bfd_byte *loc;
- BFD_ASSERT (local_got_offsets != NULL
- && local_got_offsets[r_symndx] != (bfd_vma) -1);
- /* Get offset into GOT table. */
- off = local_got_offsets[r_symndx];
- /* The offset must always be a multiple of 4. We use
- the least significant bit to record whether we have
- already processed this entry. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- /* Write entry in GOT. */
- bfd_put_32 (output_bfd, relocation, sgot->contents + off);
- if (bfd_link_pic (info))
- {
- asection *srelgot;
- Elf_Internal_Rela outrel;
- /* We need to generate a R_OR1K_RELATIVE reloc
- for the dynamic linker. */
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- BFD_ASSERT (srelgot != NULL);
- outrel.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + off);
- outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
- outrel.r_addend = relocation;
- loc = srelgot->contents;
- loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
- ++srelgot->reloc_count;
- }
- local_got_offsets[r_symndx] |= 1;
- }
- relocation = sgot->output_offset + off;
- }
- /* Addend should be zero. */
- if (rel->r_addend != 0)
- (*_bfd_error_handler)
- (_("internal error: addend should be zero for R_OR1K_GOT16"));
- break;
- case R_OR1K_GOTOFF_LO16:
- case R_OR1K_GOTOFF_HI16:
- /* Relocation is offset from GOT. */
- BFD_ASSERT (sgot != NULL);
- relocation -= sgot->output_section->vma;
- break;
- case R_OR1K_INSN_REL_26:
- case R_OR1K_HI_16_IN_INSN:
- case R_OR1K_LO_16_IN_INSN:
- case R_OR1K_32:
- /* R_OR1K_16? */
- {
- /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
- from removed linkonce sections, or sections discarded by
- a linker script. */
- if (r_symndx == STN_UNDEF
- || (input_section->flags & SEC_ALLOC) == 0)
- break;
- if ((bfd_link_pic (info)
- && (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak)
- && (howto->type != R_OR1K_INSN_REL_26
- || !SYMBOL_CALLS_LOCAL (info, h)))
- || (!bfd_link_pic (info)
- && h != NULL
- && h->dynindx != -1
- && !h->non_got_ref
- && ((h->def_dynamic
- && !h->def_regular)
- || h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_undefined)))
- {
- Elf_Internal_Rela outrel;
- bfd_byte *loc;
- bfd_boolean skip;
- /* When generating a shared object, these relocations
- are copied into the output file to be resolved at run
- time. */
- BFD_ASSERT (sreloc != NULL);
- skip = FALSE;
- outrel.r_offset =
- _bfd_elf_section_offset (output_bfd, info, input_section,
- rel->r_offset);
- if (outrel.r_offset == (bfd_vma) -1)
- skip = TRUE;
- else if (outrel.r_offset == (bfd_vma) -2)
- skip = TRUE;
- outrel.r_offset += (input_section->output_section->vma
- + input_section->output_offset);
- if (skip)
- memset (&outrel, 0, sizeof outrel);
- /* h->dynindx may be -1 if the symbol was marked to
- become local. */
- else if (h != NULL
- && ((! info->symbolic && h->dynindx != -1)
- || !h->def_regular))
- {
- BFD_ASSERT (h->dynindx != -1);
- outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
- outrel.r_addend = rel->r_addend;
- }
- else
- {
- if (r_type == R_OR1K_32)
- {
- outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
- outrel.r_addend = relocation + rel->r_addend;
- }
- else
- {
- BFD_FAIL ();
- (*_bfd_error_handler)
- (_("%B: probably compiled without -fPIC?"),
- input_bfd);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- }
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
- break;
- }
- break;
- }
- case R_OR1K_TLS_LDM_HI16:
- case R_OR1K_TLS_LDM_LO16:
- case R_OR1K_TLS_LDO_HI16:
- case R_OR1K_TLS_LDO_LO16:
- /* TODO: implement support for local dynamic. */
- BFD_FAIL ();
- (*_bfd_error_handler)
- (_("%B: support for local dynamic not implemented"),
- input_bfd);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- case R_OR1K_TLS_GD_HI16:
- case R_OR1K_TLS_GD_LO16:
- case R_OR1K_TLS_IE_HI16:
- case R_OR1K_TLS_IE_LO16:
- {
- bfd_vma gotoff;
- Elf_Internal_Rela rela;
- bfd_byte *loc;
- int dynamic;
- sreloc = bfd_get_section_by_name (dynobj, ".rela.got");
- /* Mark as TLS related GOT entry by setting
- bit 2 as well as bit 1. */
- if (h != NULL)
- {
- gotoff = h->got.offset;
- h->got.offset |= 3;
- }
- else
- {
- gotoff = local_got_offsets[r_symndx];
- local_got_offsets[r_symndx] |= 3;
- }
- /* Only process the relocation once. */
- if (gotoff & 1)
- {
- relocation = sgot->output_offset + (gotoff & ~3);
- break;
- }
- BFD_ASSERT (elf_hash_table (info)->hgot == NULL
- || elf_hash_table (info)->hgot->root.u.def.value == 0);
- /* Dynamic entries will require relocations. if we do not need
- them we will just use the default R_OR1K_NONE and
- not set anything. */
- dynamic = bfd_link_pic (info)
- || (sec && (sec->flags & SEC_ALLOC) != 0
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak || !h->def_regular));
- /* Shared GD. */
- if (dynamic && (howto->type == R_OR1K_TLS_GD_HI16
- || howto->type == R_OR1K_TLS_GD_LO16))
- {
- int i;
- /* Add DTPMOD and DTPOFF GOT and rela entries. */
- for (i = 0; i < 2; ++i)
- {
- rela.r_offset = sgot->output_section->vma +
- sgot->output_offset + gotoff + i*4;
- if (h != NULL && h->dynindx != -1)
- {
- rela.r_info = ELF32_R_INFO (h->dynindx,
- (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF));
- rela.r_addend = 0;
- }
- else
- {
- rela.r_info = ELF32_R_INFO (0,
- (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF));
- rela.r_addend = tpoff (info, relocation);
- }
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ *
- sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- bfd_put_32 (output_bfd, 0, sgot->contents + gotoff + i*4);
- }
- }
- /* Static GD. */
- else if (howto->type == R_OR1K_TLS_GD_HI16
- || howto->type == R_OR1K_TLS_GD_LO16)
- {
- bfd_put_32 (output_bfd, 1, sgot->contents + gotoff);
- bfd_put_32 (output_bfd, tpoff (info, relocation),
- sgot->contents + gotoff + 4);
- }
- /* Shared IE. */
- else if (dynamic)
- {
- /* Add TPOFF GOT and rela entries. */
- rela.r_offset = sgot->output_section->vma +
- sgot->output_offset + gotoff;
- if (h != NULL && h->dynindx != -1)
- {
- rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_TLS_TPOFF);
- rela.r_addend = 0;
- }
- else
- {
- rela.r_info = ELF32_R_INFO (0, R_OR1K_TLS_TPOFF);
- rela.r_addend = tpoff (info, relocation);
- }
- loc = sreloc->contents;
- loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- bfd_put_32 (output_bfd, 0, sgot->contents + gotoff);
- }
- /* Static IE. */
- else
- {
- bfd_put_32 (output_bfd, tpoff (info, relocation),
- sgot->contents + gotoff);
- }
- relocation = sgot->output_offset + gotoff;
- break;
- }
- case R_OR1K_TLS_LE_HI16:
- case R_OR1K_TLS_LE_LO16:
- /* Relocation is offset from TP. */
- relocation = tpoff (info, relocation);
- break;
- case R_OR1K_TLS_DTPMOD:
- case R_OR1K_TLS_DTPOFF:
- case R_OR1K_TLS_TPOFF:
- /* These are resolved dynamically on load and shouldn't
- be used as linker input. */
- BFD_FAIL ();
- (*_bfd_error_handler)
- (_("%B: will not resolve runtime TLS relocation"),
- input_bfd);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- default:
- break;
- }
- r = _bfd_final_link_relocate (howto, input_bfd, input_section, contents,
- rel->r_offset, relocation, rel->r_addend);
- if (r != bfd_reloc_ok)
- {
- const char *msg = NULL;
- switch (r)
- {
- case bfd_reloc_overflow:
- r = info->callbacks->reloc_overflow
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
- break;
- case bfd_reloc_undefined:
- r = info->callbacks->undefined_symbol
- (info, name, input_bfd, input_section, rel->r_offset, TRUE);
- break;
- case bfd_reloc_outofrange:
- msg = _("internal error: out of range error");
- break;
- case bfd_reloc_notsupported:
- msg = _("internal error: unsupported relocation error");
- break;
- case bfd_reloc_dangerous:
- msg = _("internal error: dangerous relocation");
- break;
- default:
- msg = _("internal error: unknown error");
- break;
- }
- if (msg)
- r = info->callbacks->warning
- (info, msg, name, input_bfd, input_section, rel->r_offset);
- if (!r)
- return FALSE;
- }
- }
- return TRUE;
- }
- /* Return the section that should be marked against GC for a given
- relocation. */
- static asection *
- or1k_elf_gc_mark_hook (asection *sec,
- struct bfd_link_info *info,
- Elf_Internal_Rela *rel,
- struct elf_link_hash_entry *h,
- Elf_Internal_Sym *sym)
- {
- if (h != NULL)
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_OR1K_GNU_VTINHERIT:
- case R_OR1K_GNU_VTENTRY:
- return NULL;
- }
- return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
- }
- static bfd_boolean
- or1k_elf_gc_sweep_hook (bfd *abfd,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- asection *sec,
- const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
- {
- /* Update the got entry reference counts for the section being removed. */
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- elf_section_data (sec)->local_dynrel = NULL;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
- relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- {
- unsigned long r_symndx;
- struct elf_link_hash_entry *h = NULL;
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- }
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_OR1K_GOT16:
- if (h != NULL)
- {
- if (h->got.refcount > 0)
- h->got.refcount--;
- }
- else
- {
- if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx]--;
- }
- break;
- default:
- break;
- }
- }
- return TRUE;
- }
- /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
- shortcuts to them in our hash table. */
- static bfd_boolean
- create_got_section (bfd *dynobj, struct bfd_link_info *info)
- {
- struct elf_or1k_link_hash_table *htab;
- asection *s;
- /* This function may be called more than once. */
- s = bfd_get_section_by_name (dynobj, ".got");
- if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
- return TRUE;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- if (! _bfd_elf_create_got_section (dynobj, info))
- return FALSE;
- htab->sgot = bfd_get_section_by_name (dynobj, ".got");
- htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
- htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
- abort ();
- if (! bfd_set_section_flags (dynobj, htab->srelgot, SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY)
- || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
- return FALSE;
- return TRUE;
- }
- /* Look through the relocs for a section during the first phase. */
- static bfd_boolean
- or1k_elf_check_relocs (bfd *abfd,
- struct bfd_link_info *info,
- asection *sec,
- const Elf_Internal_Rela *relocs)
- {
- Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- struct elf_or1k_link_hash_table *htab;
- bfd *dynobj;
- asection *sreloc = NULL;
- if (bfd_link_relocatable (info))
- return TRUE;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- dynobj = htab->root.dynobj;
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
- {
- struct elf_link_hash_entry *h;
- unsigned long r_symndx;
- unsigned char tls_type;
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
- else
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref = 1;
- }
- switch (ELF32_R_TYPE (rel->r_info))
- {
- case R_OR1K_TLS_GD_HI16:
- case R_OR1K_TLS_GD_LO16:
- tls_type = TLS_GD;
- break;
- case R_OR1K_TLS_LDM_HI16:
- case R_OR1K_TLS_LDM_LO16:
- case R_OR1K_TLS_LDO_HI16:
- case R_OR1K_TLS_LDO_LO16:
- tls_type = TLS_LD;
- break;
- case R_OR1K_TLS_IE_HI16:
- case R_OR1K_TLS_IE_LO16:
- tls_type = TLS_IE;
- break;
- case R_OR1K_TLS_LE_HI16:
- case R_OR1K_TLS_LE_LO16:
- tls_type = TLS_LE;
- break;
- default:
- tls_type = TLS_NONE;
- }
- /* Record TLS type. */
- if (h != NULL)
- ((struct elf_or1k_link_hash_entry *) h)->tls_type = tls_type;
- else
- {
- unsigned char *local_tls_type;
- /* This is a TLS type record for a local symbol. */
- local_tls_type = (unsigned char *) elf_or1k_local_tls_type (abfd);
- if (local_tls_type == NULL)
- {
- bfd_size_type size;
- size = symtab_hdr->sh_info;
- local_tls_type = bfd_zalloc (abfd, size);
- if (local_tls_type == NULL)
- return FALSE;
- elf_or1k_local_tls_type (abfd) = local_tls_type;
- }
- local_tls_type[r_symndx] = tls_type;
- }
- switch (ELF32_R_TYPE (rel->r_info))
- {
- /* This relocation describes the C++ object vtable hierarchy.
- Reconstruct it for later use during GC. */
- case R_OR1K_GNU_VTINHERIT:
- if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
- break;
- /* This relocation describes which C++ vtable entries are actually
- used. Record for later use during GC. */
- case R_OR1K_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
- break;
- /* This relocation requires .plt entry. */
- case R_OR1K_PLT26:
- if (h != NULL)
- {
- h->needs_plt = 1;
- h->plt.refcount += 1;
- }
- break;
- case R_OR1K_GOT16:
- case R_OR1K_GOTOFF_HI16:
- case R_OR1K_GOTOFF_LO16:
- case R_OR1K_TLS_GD_HI16:
- case R_OR1K_TLS_GD_LO16:
- case R_OR1K_TLS_IE_HI16:
- case R_OR1K_TLS_IE_LO16:
- if (htab->sgot == NULL)
- {
- if (dynobj == NULL)
- htab->root.dynobj = dynobj = abfd;
- if (! create_got_section (dynobj, info))
- return FALSE;
- }
- if (ELF32_R_TYPE (rel->r_info) != R_OR1K_GOTOFF_HI16 &&
- ELF32_R_TYPE (rel->r_info) != R_OR1K_GOTOFF_LO16)
- {
- if (h != NULL)
- h->got.refcount += 1;
- else
- {
- bfd_signed_vma *local_got_refcounts;
- /* This is a global offset table entry for a local symbol. */
- local_got_refcounts = elf_local_got_refcounts (abfd);
- if (local_got_refcounts == NULL)
- {
- bfd_size_type size;
- size = symtab_hdr->sh_info;
- size *= sizeof (bfd_signed_vma);
- local_got_refcounts = bfd_zalloc (abfd, size);
- if (local_got_refcounts == NULL)
- return FALSE;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- }
- local_got_refcounts[r_symndx] += 1;
- }
- }
- break;
- case R_OR1K_INSN_REL_26:
- case R_OR1K_HI_16_IN_INSN:
- case R_OR1K_LO_16_IN_INSN:
- case R_OR1K_32:
- /* R_OR1K_16? */
- {
- if (h != NULL && !bfd_link_pic (info))
- {
- /* We may need a copy reloc. */
- h->non_got_ref = 1;
- /* We may also need a .plt entry. */
- h->plt.refcount += 1;
- if (ELF32_R_TYPE (rel->r_info) != R_OR1K_INSN_REL_26)
- h->pointer_equality_needed = 1;
- }
- /* If we are creating a shared library, and this is a reloc
- against a global symbol, or a non PC relative reloc
- against a local symbol, then we need to copy the reloc
- into the shared library. However, if we are linking with
- -Bsymbolic, we do not need to copy a reloc against a
- global symbol which is defined in an object we are
- including in the link (i.e., DEF_REGULAR is set). At
- this point we have not seen all the input files, so it is
- possible that DEF_REGULAR is not set now but will be set
- later (it is never cleared). In case of a weak definition,
- DEF_REGULAR may be cleared later by a strong definition in
- a shared library. We account for that possibility below by
- storing information in the relocs_copied field of the hash
- table entry. A similar situation occurs when creating
- shared libraries and symbol visibility changes render the
- symbol local.
- If on the other hand, we are creating an executable, we
- may need to keep relocations for symbols satisfied by a
- dynamic library if we manage to avoid copy relocs for the
- symbol. */
- if ((bfd_link_pic (info)
- && (sec->flags & SEC_ALLOC) != 0
- && (ELF32_R_TYPE (rel->r_info) != R_OR1K_INSN_REL_26
- || (h != NULL
- && (!SYMBOLIC_BIND (info, h)
- || h->root.type == bfd_link_hash_defweak
- || !h->def_regular))))
- || (!bfd_link_pic (info)
- && (sec->flags & SEC_ALLOC) != 0
- && h != NULL
- && (h->root.type == bfd_link_hash_defweak
- || !h->def_regular)))
- {
- struct elf_or1k_dyn_relocs *p;
- struct elf_or1k_dyn_relocs **head;
- /* When creating a shared object, we must copy these
- relocs into the output file. We create a reloc
- section in dynobj and make room for the reloc. */
- if (sreloc == NULL)
- {
- const char *name;
- unsigned int strndx = elf_elfheader (abfd)->e_shstrndx;
- unsigned int shnam = _bfd_elf_single_rel_hdr (sec)->sh_name;
- name = bfd_elf_string_from_elf_section (abfd, strndx, shnam);
- if (name == NULL)
- return FALSE;
- if (strncmp (name, ".rela", 5) != 0
- || strcmp (bfd_get_section_name (abfd, sec),
- name + 5) != 0)
- {
- (*_bfd_error_handler)
- (_("%B: bad relocation section name `%s\'"),
- abfd, name);
- }
- if (htab->root.dynobj == NULL)
- htab->root.dynobj = abfd;
- dynobj = htab->root.dynobj;
- sreloc = bfd_get_section_by_name (dynobj, name);
- if (sreloc == NULL)
- {
- sreloc = _bfd_elf_make_dynamic_reloc_section
- (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
- if (sreloc == NULL)
- return FALSE;
- }
- elf_section_data (sec)->sreloc = sreloc;
- }
- /* If this is a global symbol, we count the number of
- relocations we need for this symbol. */
- if (h != NULL)
- head = &((struct elf_or1k_link_hash_entry *) h)->dyn_relocs;
- else
- {
- /* Track dynamic relocs needed for local syms too.
- We really need local syms available to do this
- easily. Oh well. */
- asection *s;
- Elf_Internal_Sym *isym;
- void *vpp;
- isym = bfd_sym_from_r_symndx (&htab->sym_sec,
- abfd, r_symndx);
- if (isym == NULL)
- return FALSE;
- s = bfd_section_from_elf_index (abfd, isym->st_shndx);
- if (s == NULL)
- return FALSE;
- vpp = &elf_section_data (s)->local_dynrel;
- head = (struct elf_or1k_dyn_relocs **) vpp;
- }
- p = *head;
- if (p == NULL || p->sec != sec)
- {
- bfd_size_type amt = sizeof *p;
- p = ((struct elf_or1k_dyn_relocs *)
- bfd_alloc (htab->root.dynobj, amt));
- if (p == NULL)
- return FALSE;
- p->next = *head;
- *head = p;
- p->sec = sec;
- p->count = 0;
- p->pc_count = 0;
- }
- p->count += 1;
- if (ELF32_R_TYPE (rel->r_info) == R_OR1K_INSN_REL_26)
- p->pc_count += 1;
- }
- }
- break;
- }
- }
- return TRUE;
- }
- /* Finish up the dynamic sections. */
- static bfd_boolean
- or1k_elf_finish_dynamic_sections (bfd *output_bfd,
- struct bfd_link_info *info)
- {
- bfd *dynobj;
- asection *sdyn, *sgot;
- struct elf_or1k_link_hash_table *htab;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- dynobj = htab->root.dynobj;
- sgot = htab->sgotplt;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
- if (htab->root.dynamic_sections_created)
- {
- asection *splt;
- Elf32_External_Dyn *dyncon, *dynconend;
- BFD_ASSERT (sgot != NULL && sdyn != NULL);
- dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
- for (; dyncon < dynconend; dyncon++)
- {
- Elf_Internal_Dyn dyn;
- asection *s;
- bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
- switch (dyn.d_tag)
- {
- default:
- continue;
- case DT_PLTGOT:
- s = htab->sgot->output_section;
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
- break;
- case DT_JMPREL:
- s = htab->srelplt->output_section;
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_ptr = s->vma;
- break;
- case DT_PLTRELSZ:
- s = htab->srelplt->output_section;
- BFD_ASSERT (s != NULL);
- dyn.d_un.d_val = s->size;
- break;
- case DT_RELASZ:
- /* My reading of the SVR4 ABI indicates that the
- procedure linkage table relocs (DT_JMPREL) should be
- included in the overall relocs (DT_RELA). This is
- what Solaris does. However, UnixWare can not handle
- that case. Therefore, we override the DT_RELASZ entry
- here to make it not include the JMPREL relocs. Since
- the linker script arranges for .rela.plt to follow all
- other relocation sections, we don't have to worry
- about changing the DT_RELA entry. */
- if (htab->srelplt != NULL)
- {
- /* FIXME: this calculation sometimes produces
- wrong result, the problem is that the dyn.d_un.d_val
- is not always correct, needs investigation why
- that happens. In the meantime, reading the
- ".rela.dyn" section by name seems to yield
- correct result.
- s = htab->srelplt->output_section;
- dyn.d_un.d_val -= s->size;
- */
- s = bfd_get_section_by_name (output_bfd, ".rela.dyn");
- dyn.d_un.d_val = s ? s->size : 0;
- }
- break;
- }
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
- }
- /* Fill in the first entry in the procedure linkage table. */
- splt = htab->splt;
- if (splt && splt->size > 0)
- {
- if (bfd_link_pic (info))
- {
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0,
- splt->contents);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1,
- splt->contents + 4);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2,
- splt->contents + 8);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3,
- splt->contents + 12);
- bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4,
- splt->contents + 16);
- }
- else
- {
- unsigned long addr;
- /* addr = .got + 4 */
- addr = sgot->output_section->vma + sgot->output_offset + 4;
- bfd_put_32 (output_bfd,
- PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
- splt->contents);
- bfd_put_32 (output_bfd,
- PLT0_ENTRY_WORD1 | (addr & 0xffff),
- splt->contents + 4);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
- bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
- }
- elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
- }
- }
- /* Set the first entry in the global offset table to the address of
- the dynamic section. */
- if (sgot && sgot->size > 0)
- {
- if (sdyn == NULL)
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
- else
- bfd_put_32 (output_bfd,
- sdyn->output_section->vma + sdyn->output_offset,
- sgot->contents);
- elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
- }
- if (htab->sgot && htab->sgot->size > 0)
- elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
- return TRUE;
- }
- /* Finish up dynamic symbol handling. We set the contents of various
- dynamic sections here. */
- static bfd_boolean
- or1k_elf_finish_dynamic_symbol (bfd *output_bfd,
- struct bfd_link_info *info,
- struct elf_link_hash_entry *h,
- Elf_Internal_Sym *sym)
- {
- struct elf_or1k_link_hash_table *htab;
- bfd_byte *loc;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- if (h->plt.offset != (bfd_vma) -1)
- {
- asection *splt;
- asection *sgot;
- asection *srela;
- bfd_vma plt_index;
- bfd_vma got_offset;
- bfd_vma got_addr;
- Elf_Internal_Rela rela;
- /* This symbol has an entry in the procedure linkage table. Set
- it up. */
- BFD_ASSERT (h->dynindx != -1);
- splt = htab->splt;
- sgot = htab->sgotplt;
- srela = htab->srelplt;
- BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
- /* Get the index in the procedure linkage table which
- corresponds to this symbol. This is the index of this symbol
- in all the symbols for which we are making plt entries. The
- first entry in the procedure linkage table is reserved. */
- plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
- /* Get the offset into the .got table of the entry that
- corresponds to this function. Each .got entry is 4 bytes.
- The first three are reserved. */
- got_offset = (plt_index + 3) * 4;
- got_addr = got_offset;
- /* Fill in the entry in the procedure linkage table. */
- if (! bfd_link_pic (info))
- {
- got_addr += htab->sgotplt->output_section->vma
- + htab->sgotplt->output_offset;
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD0 | ((got_addr >> 16) & 0xffff),
- splt->contents + h->plt.offset);
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD1 | (got_addr & 0xffff),
- splt->contents + h->plt.offset + 4);
- bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
- splt->contents + h->plt.offset + 8);
- bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD3,
- splt->contents + h->plt.offset + 12);
- bfd_put_32 (output_bfd, PLT_ENTRY_WORD4
- | plt_index * sizeof (Elf32_External_Rela),
- splt->contents + h->plt.offset + 16);
- }
- else
- {
- bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD0 | (got_addr & 0xffff),
- splt->contents + h->plt.offset);
- bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD1
- | plt_index * sizeof (Elf32_External_Rela),
- splt->contents + h->plt.offset + 4);
- bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD2,
- splt->contents + h->plt.offset + 8);
- bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD3,
- splt->contents + h->plt.offset + 12);
- bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD4,
- splt->contents + h->plt.offset + 16);
- }
- /* Fill in the entry in the global offset table. */
- bfd_put_32 (output_bfd,
- (splt->output_section->vma
- + splt->output_offset), /* Same offset. */
- sgot->contents + got_offset);
- /* Fill in the entry in the .rela.plt section. */
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + got_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_JMP_SLOT);
- rela.r_addend = 0;
- loc = srela->contents;
- loc += plt_index * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- if (!h->def_regular)
- {
- /* Mark the symbol as undefined, rather than as defined in
- the .plt section. Leave the value alone. */
- sym->st_shndx = SHN_UNDEF;
- }
- }
- if (h->got.offset != (bfd_vma) -1
- && (h->got.offset & 2) == 0) /* Homemade TLS check. */
- {
- asection *sgot;
- asection *srela;
- Elf_Internal_Rela rela;
- /* This symbol has an entry in the global offset table. Set it
- up. */
- sgot = htab->sgot;
- srela = htab->srelgot;
- BFD_ASSERT (sgot != NULL && srela != NULL);
- rela.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + (h->got.offset &~ 1));
- /* If this is a -Bsymbolic link, and the symbol is defined
- locally, we just want to emit a RELATIVE reloc. Likewise if
- the symbol was forced to be local because of a version file.
- The entry in the global offset table will already have been
- initialized in the relocate_section function. */
- if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
- {
- rela.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
- rela.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- }
- else
- {
- BFD_ASSERT ((h->got.offset & 1) == 0);
- bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_GLOB_DAT);
- rela.r_addend = 0;
- }
- loc = srela->contents;
- loc += srela->reloc_count * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- ++srela->reloc_count;
- }
- if (h->needs_copy)
- {
- asection *s;
- Elf_Internal_Rela rela;
- /* This symbols needs a copy reloc. Set it up. */
- BFD_ASSERT (h->dynindx != -1
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak));
- s = bfd_get_section_by_name (h->root.u.def.section->owner,
- ".rela.bss");
- BFD_ASSERT (s != NULL);
- rela.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_COPY);
- rela.r_addend = 0;
- loc = s->contents;
- loc += s->reloc_count * sizeof (Elf32_External_Rela);
- bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
- ++s->reloc_count;
- }
- /* Mark some specially defined symbols as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || h == htab->root.hgot)
- sym->st_shndx = SHN_ABS;
- return TRUE;
- }
- static enum elf_reloc_type_class
- or1k_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
- const asection *rel_sec ATTRIBUTE_UNUSED,
- const Elf_Internal_Rela *rela)
- {
- switch ((int) ELF32_R_TYPE (rela->r_info))
- {
- case R_OR1K_RELATIVE: return reloc_class_relative;
- case R_OR1K_JMP_SLOT: return reloc_class_plt;
- case R_OR1K_COPY: return reloc_class_copy;
- default: return reloc_class_normal;
- }
- }
- /* Adjust a symbol defined by a dynamic object and referenced by a
- regular object. The current definition is in some section of the
- dynamic object, but we're not including those sections. We have to
- change the definition to something the rest of the link can
- understand. */
- static bfd_boolean
- or1k_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
- struct elf_link_hash_entry *h)
- {
- struct elf_or1k_link_hash_table *htab;
- struct elf_or1k_link_hash_entry *eh;
- struct elf_or1k_dyn_relocs *p;
- bfd *dynobj;
- asection *s;
- dynobj = elf_hash_table (info)->dynobj;
- /* Make sure we know what is going on here. */
- BFD_ASSERT (dynobj != NULL
- && (h->needs_plt
- || h->u.weakdef != NULL
- || (h->def_dynamic
- && h->ref_regular
- && !h->def_regular)));
- /* If this is a function, put it in the procedure linkage table. We
- will fill in the contents of the procedure linkage table later,
- when we know the address of the .got section. */
- if (h->type == STT_FUNC
- || h->needs_plt)
- {
- if (! bfd_link_pic (info)
- && !h->def_dynamic
- && !h->ref_dynamic
- && h->root.type != bfd_link_hash_undefweak
- && h->root.type != bfd_link_hash_undefined)
- {
- /* This case can occur if we saw a PLT reloc in an input
- file, but the symbol was never referred to by a dynamic
- object. In such a case, we don't actually need to build
- a procedure linkage table, and we can just do a PCREL
- reloc instead. */
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
- return TRUE;
- }
- else
- h->plt.offset = (bfd_vma) -1;
- /* If this is a weak symbol, and there is a real definition, the
- processor independent code will have arranged for us to see the
- real definition first, and we can just use the same value. */
- if (h->u.weakdef != NULL)
- {
- BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
- || h->u.weakdef->root.type == bfd_link_hash_defweak);
- h->root.u.def.section = h->u.weakdef->root.u.def.section;
- h->root.u.def.value = h->u.weakdef->root.u.def.value;
- return TRUE;
- }
- /* This is a reference to a symbol defined by a dynamic object which
- is not a function. */
- /* If we are creating a shared library, we must presume that the
- only references to the symbol are via the global offset table.
- For such cases we need not do anything here; the relocations will
- be handled correctly by relocate_section. */
- if (bfd_link_pic (info))
- return TRUE;
- /* If there are no references to this symbol that do not use the
- GOT, we don't need to generate a copy reloc. */
- if (!h->non_got_ref)
- return TRUE;
- /* If -z nocopyreloc was given, we won't generate them either. */
- if (info->nocopyreloc)
- {
- h->non_got_ref = 0;
- return TRUE;
- }
- eh = (struct elf_or1k_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
- break;
- }
- /* If we didn't find any dynamic relocs in sections which needs the
- copy reloc, then we'll be keeping the dynamic relocs and avoiding
- the copy reloc. */
- if (p == NULL)
- {
- h->non_got_ref = 0;
- return TRUE;
- }
- /* We must allocate the symbol in our .dynbss section, which will
- become part of the .bss section of the executable. There will be
- an entry for this symbol in the .dynsym section. The dynamic
- object will contain position independent code, so all references
- from the dynamic object to this symbol will go through the global
- offset table. The dynamic linker will use the .dynsym entry to
- determine the address it must put in the global offset table, so
- both the dynamic object and the regular object will refer to the
- same memory location for the variable. */
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- s = htab->sdynbss;
- BFD_ASSERT (s != NULL);
- /* We must generate a R_OR1K_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
- {
- asection *srel;
- srel = htab->srelbss;
- BFD_ASSERT (srel != NULL);
- srel->size += sizeof (Elf32_External_Rela);
- h->needs_copy = 1;
- }
- return _bfd_elf_adjust_dynamic_copy (info, h, s);
- }
- /* Allocate space in .plt, .got and associated reloc sections for
- dynamic relocs. */
- static bfd_boolean
- allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
- {
- struct bfd_link_info *info;
- struct elf_or1k_link_hash_table *htab;
- struct elf_or1k_link_hash_entry *eh;
- struct elf_or1k_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
- info = (struct bfd_link_info *) inf;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- eh = (struct elf_or1k_link_hash_entry *) h;
- if (htab->root.dynamic_sections_created
- && h->plt.refcount > 0)
- {
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
- {
- asection *s = htab->splt;
- /* If this is the first .plt entry, make room for the special
- first entry. */
- if (s->size == 0)
- s->size = PLT_ENTRY_SIZE;
- h->plt.offset = s->size;
- /* If this symbol is not defined in a regular file, and we are
- not generating a shared library, then set the symbol to this
- location in the .plt. This is required to make function
- pointers compare as equal between the normal executable and
- the shared library. */
- if (! bfd_link_pic (info)
- && !h->def_regular)
- {
- h->root.u.def.section = s;
- h->root.u.def.value = h->plt.offset;
- }
- /* Make room for this entry. */
- s->size += PLT_ENTRY_SIZE;
- /* We also need to make an entry in the .got.plt section, which
- will be placed in the .got section by the linker script. */
- htab->sgotplt->size += 4;
- /* We also need to make an entry in the .rel.plt section. */
- htab->srelplt->size += sizeof (Elf32_External_Rela);
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
- }
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->needs_plt = 0;
- }
- if (h->got.refcount > 0)
- {
- asection *s;
- bfd_boolean dyn;
- unsigned char tls_type;
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
- s = htab->sgot;
- h->got.offset = s->size;
- tls_type = ((struct elf_or1k_link_hash_entry *) h)->tls_type;
- /* TLS GD requires two GOT and two relocs. */
- if (tls_type == TLS_GD)
- s->size += 8;
- else
- s->size += 4;
- dyn = htab->root.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
- {
- if (tls_type == TLS_GD)
- htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
- else
- htab->srelgot->size += sizeof (Elf32_External_Rela);
- }
- }
- else
- h->got.offset = (bfd_vma) -1;
- if (eh->dyn_relocs == NULL)
- return TRUE;
- /* In the shared -Bsymbolic case, discard space allocated for
- dynamic pc-relative relocs against symbols which turn out to be
- defined in regular objects. For the normal shared case, discard
- space for pc-relative relocs that have become local due to symbol
- visibility changes. */
- if (bfd_link_pic (info))
- {
- if (SYMBOL_CALLS_LOCAL (info, h))
- {
- struct elf_or1k_dyn_relocs **pp;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
- {
- p->count -= p->pc_count;
- p->pc_count = 0;
- if (p->count == 0)
- *pp = p->next;
- else
- pp = &p->next;
- }
- }
- /* Also discard relocs on undefined weak syms with non-default
- visibility. */
- if (eh->dyn_relocs != NULL
- && h->root.type == bfd_link_hash_undefweak)
- {
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
- eh->dyn_relocs = NULL;
- /* Make sure undefined weak symbols are output as a dynamic
- symbol in PIEs. */
- else if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
- }
- }
- else
- {
- /* For the non-shared case, discard space for relocs against
- symbols which turn out to need copy relocs or are not
- dynamic. */
- if (!h->non_got_ref
- && ((h->def_dynamic
- && !h->def_regular)
- || (htab->root.dynamic_sections_created
- && (h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_undefined))))
- {
- /* Make sure this symbol is output as a dynamic symbol.
- Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1
- && !h->forced_local)
- {
- if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
- /* If that succeeded, we know we'll be keeping all the
- relocs. */
- if (h->dynindx != -1)
- goto keep;
- }
- eh->dyn_relocs = NULL;
- keep: ;
- }
- /* Finally, allocate space. */
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *sreloc = elf_section_data (p->sec)->sreloc;
- sreloc->size += p->count * sizeof (Elf32_External_Rela);
- }
- return TRUE;
- }
- /* Find any dynamic relocs that apply to read-only sections. */
- static bfd_boolean
- readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
- {
- struct elf_or1k_link_hash_entry *eh;
- struct elf_or1k_dyn_relocs *p;
- eh = (struct elf_or1k_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
- info->flags |= DF_TEXTREL;
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- }
- return TRUE;
- }
- /* Set the sizes of the dynamic sections. */
- static bfd_boolean
- or1k_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
- {
- struct elf_or1k_link_hash_table *htab;
- bfd *dynobj;
- asection *s;
- bfd_boolean relocs;
- bfd *ibfd;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- dynobj = htab->root.dynobj;
- BFD_ASSERT (dynobj != NULL);
- if (htab->root.dynamic_sections_created)
- {
- /* Set the contents of the .interp section to the interpreter. */
- if (bfd_link_executable (info) && !info->nointerp)
- {
- s = bfd_get_section_by_name (dynobj, ".interp");
- BFD_ASSERT (s != NULL);
- s->size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
- }
- }
- /* Set up .got offsets for local syms, and space for local dynamic
- relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
- {
- bfd_signed_vma *local_got;
- bfd_signed_vma *end_local_got;
- bfd_size_type locsymcount;
- Elf_Internal_Shdr *symtab_hdr;
- unsigned char *local_tls_type;
- asection *srel;
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
- continue;
- for (s = ibfd->sections; s != NULL; s = s->next)
- {
- struct elf_or1k_dyn_relocs *p;
- for (p = ((struct elf_or1k_dyn_relocs *)
- elf_section_data (s)->local_dynrel);
- p != NULL;
- p = p->next)
- {
- if (! bfd_is_abs_section (p->sec)
- && bfd_is_abs_section (p->sec->output_section))
- {
- /* Input section has been discarded, either because
- it is a copy of a linkonce section or due to
- linker script /DISCARD/, so we'll be discarding
- the relocs too. */
- }
- else if (p->count != 0)
- {
- srel = elf_section_data (p->sec)->sreloc;
- srel->size += p->count * sizeof (Elf32_External_Rela);
- if ((p->sec->output_section->flags & SEC_READONLY) != 0)
- info->flags |= DF_TEXTREL;
- }
- }
- }
- local_got = elf_local_got_refcounts (ibfd);
- if (!local_got)
- continue;
- symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
- locsymcount = symtab_hdr->sh_info;
- end_local_got = local_got + locsymcount;
- s = htab->sgot;
- srel = htab->srelgot;
- local_tls_type = (unsigned char *) elf_or1k_local_tls_type (ibfd);
- for (; local_got < end_local_got; ++local_got)
- {
- if (*local_got > 0)
- {
- *local_got = s->size;
- /* TLS GD requires two GOT and two relocs. */
- if (local_tls_type != NULL && *local_tls_type == TLS_GD)
- s->size += 8;
- else
- s->size += 4;
- if (bfd_link_pic (info))
- {
- if (local_tls_type != NULL && *local_tls_type == TLS_GD)
- srel->size += 2 * sizeof (Elf32_External_Rela);
- else
- srel->size += sizeof (Elf32_External_Rela);
- }
- }
- else
- *local_got = (bfd_vma) -1;
- if (local_tls_type)
- ++local_tls_type;
- }
- }
- /* Allocate global sym .plt and .got entries, and space for global
- sym dynamic relocs. */
- elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
- /* We now have determined the sizes of the various dynamic sections.
- Allocate memory for them. */
- relocs = FALSE;
- for (s = dynobj->sections; s != NULL; s = s->next)
- {
- if ((s->flags & SEC_LINKER_CREATED) == 0)
- continue;
- if (s == htab->splt
- || s == htab->sgot
- || s == htab->sgotplt
- || s == htab->sdynbss)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
- }
- else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
- {
- if (s->size != 0 && s != htab->srelplt)
- relocs = TRUE;
- /* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
- s->reloc_count = 0;
- }
- else
- /* It's not one of our sections, so don't allocate space. */
- continue;
- if (s->size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
- s->flags |= SEC_EXCLUDE;
- continue;
- }
- if ((s->flags & SEC_HAS_CONTENTS) == 0)
- continue;
- /* Allocate memory for the section contents. We use bfd_zalloc
- here in case unused entries are not reclaimed before the
- section's contents are written out. This should not happen,
- but this way if it does, we get a R_OR1K_NONE reloc instead
- of garbage. */
- s->contents = bfd_zalloc (dynobj, s->size);
- if (s->contents == NULL)
- return FALSE;
- }
- if (htab->root.dynamic_sections_created)
- {
- /* Add some entries to the .dynamic section. We fill in the
- values later, in or1k_elf_finish_dynamic_sections, but we
- must add the entries now so that we get the correct size for
- the .dynamic section. The DT_DEBUG entry is filled in by the
- dynamic linker and used by the debugger. */
- #define add_dynamic_entry(TAG, VAL) \
- _bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (bfd_link_executable (info))
- {
- if (! add_dynamic_entry (DT_DEBUG, 0))
- return FALSE;
- }
- if (htab->splt->size != 0)
- {
- if (! add_dynamic_entry (DT_PLTGOT, 0)
- || ! add_dynamic_entry (DT_PLTRELSZ, 0)
- || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
- || ! add_dynamic_entry (DT_JMPREL, 0))
- return FALSE;
- }
- if (relocs)
- {
- if (! add_dynamic_entry (DT_RELA, 0)
- || ! add_dynamic_entry (DT_RELASZ, 0)
- || ! add_dynamic_entry (DT_RELAENT,
- sizeof (Elf32_External_Rela)))
- return FALSE;
- /* If any dynamic relocs apply to a read-only section,
- then we need a DT_TEXTREL entry. */
- if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->root, readonly_dynrelocs,
- info);
- if ((info->flags & DF_TEXTREL) != 0)
- {
- if (! add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
- }
- }
- #undef add_dynamic_entry
- return TRUE;
- }
- /* Create dynamic sections when linking against a dynamic object. */
- static bfd_boolean
- or1k_elf_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
- {
- struct elf_or1k_link_hash_table *htab;
- htab = or1k_elf_hash_table (info);
- if (htab == NULL)
- return FALSE;
- if (!htab->sgot && !create_got_section (dynobj, info))
- return FALSE;
- if (!_bfd_elf_create_dynamic_sections (dynobj, info))
- return FALSE;
- htab->splt = bfd_get_section_by_name (dynobj, ".plt");
- htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
- if (!bfd_link_pic (info))
- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
- if (!htab->splt || !htab->srelplt || !htab->sdynbss
- || (!bfd_link_pic (info) && !htab->srelbss))
- abort ();
- return TRUE;
- }
- /* Copy the extra info we tack onto an elf_link_hash_entry. */
- static void
- or1k_elf_copy_indirect_symbol (struct bfd_link_info *info,
- struct elf_link_hash_entry *dir,
- struct elf_link_hash_entry *ind)
- {
- struct elf_or1k_link_hash_entry * edir;
- struct elf_or1k_link_hash_entry * eind;
- edir = (struct elf_or1k_link_hash_entry *) dir;
- eind = (struct elf_or1k_link_hash_entry *) ind;
- if (eind->dyn_relocs != NULL)
- {
- if (edir->dyn_relocs != NULL)
- {
- struct elf_or1k_dyn_relocs **pp;
- struct elf_or1k_dyn_relocs *p;
- /* Add reloc counts against the indirect sym to the direct sym
- list. Merge any entries against the same section. */
- for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
- {
- struct elf_or1k_dyn_relocs *q;
- for (q = edir->dyn_relocs; q != NULL; q = q->next)
- if (q->sec == p->sec)
- {
- q->pc_count += p->pc_count;
- q->count += p->count;
- *pp = p->next;
- break;
- }
- if (q == NULL)
- pp = &p->next;
- }
- *pp = edir->dyn_relocs;
- }
- edir->dyn_relocs = eind->dyn_relocs;
- eind->dyn_relocs = NULL;
- }
- if (ind->root.type == bfd_link_hash_indirect)
- {
- if (dir->got.refcount <= 0)
- {
- edir->tls_type = eind->tls_type;
- eind->tls_type = TLS_UNKNOWN;
- }
- }
- _bfd_elf_link_hash_copy_indirect (info, dir, ind);
- }
- /* Set the right machine number. */
- static bfd_boolean
- or1k_elf_object_p (bfd *abfd)
- {
- unsigned long mach = bfd_mach_or1k;
- if (elf_elfheader (abfd)->e_flags & EF_OR1K_NODELAY)
- mach = bfd_mach_or1knd;
- return bfd_default_set_arch_mach (abfd, bfd_arch_or1k, mach);
- }
- /* Store the machine number in the flags field. */
- static void
- or1k_elf_final_write_processing (bfd *abfd,
- bfd_boolean linker ATTRIBUTE_UNUSED)
- {
- switch (bfd_get_mach (abfd))
- {
- default:
- case bfd_mach_or1k:
- break;
- case bfd_mach_or1knd:
- elf_elfheader (abfd)->e_flags |= EF_OR1K_NODELAY;
- break;
- }
- }
- static bfd_boolean
- or1k_elf_set_private_flags (bfd *abfd, flagword flags)
- {
- BFD_ASSERT (!elf_flags_init (abfd)
- || elf_elfheader (abfd)->e_flags == flags);
- elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
- return TRUE;
- }
- /* Make sure all input files are consistent with respect to
- EF_OR1K_NODELAY flag setting. */
- static bfd_boolean
- elf32_or1k_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
- {
- flagword out_flags;
- flagword in_flags;
- in_flags = elf_elfheader (ibfd)->e_flags;
- out_flags = elf_elfheader (obfd)->e_flags;
- if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
- || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return TRUE;
- if (!elf_flags_init (obfd))
- {
- elf_flags_init (obfd) = TRUE;
- elf_elfheader (obfd)->e_flags = in_flags;
- return TRUE;
- }
- if (in_flags == out_flags)
- return TRUE;
- if ((in_flags & EF_OR1K_NODELAY) != (out_flags & EF_OR1K_NODELAY))
- {
- (*_bfd_error_handler)
- (_("%B: EF_OR1K_NODELAY flag mismatch with previous modules"), ibfd);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- return TRUE;
- }
- #define ELF_ARCH bfd_arch_or1k
- #define ELF_MACHINE_CODE EM_OR1K
- #define ELF_TARGET_ID OR1K_ELF_DATA
- #define ELF_MAXPAGESIZE 0x2000
- #define TARGET_BIG_SYM or1k_elf32_vec
- #define TARGET_BIG_NAME "elf32-or1k"
- #define elf_info_to_howto_rel NULL
- #define elf_info_to_howto or1k_info_to_howto_rela
- #define elf_backend_relocate_section or1k_elf_relocate_section
- #define elf_backend_gc_mark_hook or1k_elf_gc_mark_hook
- #define elf_backend_gc_sweep_hook or1k_elf_gc_sweep_hook
- #define elf_backend_check_relocs or1k_elf_check_relocs
- #define elf_backend_reloc_type_class or1k_elf_reloc_type_class
- #define elf_backend_can_gc_sections 1
- #define elf_backend_rela_normal 1
- #define bfd_elf32_mkobject elf_or1k_mkobject
- #define bfd_elf32_bfd_merge_private_bfd_data elf32_or1k_merge_private_bfd_data
- #define bfd_elf32_bfd_set_private_flags or1k_elf_set_private_flags
- #define bfd_elf32_bfd_reloc_type_lookup or1k_reloc_type_lookup
- #define bfd_elf32_bfd_reloc_name_lookup or1k_reloc_name_lookup
- #define elf_backend_object_p or1k_elf_object_p
- #define elf_backend_final_write_processing or1k_elf_final_write_processing
- #define elf_backend_can_refcount 1
- #define elf_backend_plt_readonly 1
- #define elf_backend_want_got_plt 1
- #define elf_backend_want_plt_sym 0
- #define elf_backend_got_header_size 12
- #define bfd_elf32_bfd_link_hash_table_create or1k_elf_link_hash_table_create
- #define elf_backend_copy_indirect_symbol or1k_elf_copy_indirect_symbol
- #define elf_backend_create_dynamic_sections or1k_elf_create_dynamic_sections
- #define elf_backend_finish_dynamic_sections or1k_elf_finish_dynamic_sections
- #define elf_backend_size_dynamic_sections or1k_elf_size_dynamic_sections
- #define elf_backend_adjust_dynamic_symbol or1k_elf_adjust_dynamic_symbol
- #define elf_backend_finish_dynamic_symbol or1k_elf_finish_dynamic_symbol
- #include "elf32-target.h"
|