diff options
Diffstat (limited to 'binutils-2.24/bfd/elfxx-tilegx.c')
| -rw-r--r-- | binutils-2.24/bfd/elfxx-tilegx.c | 4439 |
1 files changed, 0 insertions, 4439 deletions
diff --git a/binutils-2.24/bfd/elfxx-tilegx.c b/binutils-2.24/bfd/elfxx-tilegx.c deleted file mode 100644 index c57e38f3..00000000 --- a/binutils-2.24/bfd/elfxx-tilegx.c +++ /dev/null @@ -1,4439 +0,0 @@ -/* TILE-Gx-specific support for ELF. - Copyright 2011, 2012, 2013 Free Software Foundation, Inc. - - This file is part of BFD, the Binary File Descriptor library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#include "sysdep.h" -#include "bfd.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/tilegx.h" -#include "opcode/tilegx.h" -#include "libiberty.h" -#include "elfxx-tilegx.h" - -#define ABI_64_P(abfd) \ - (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64) - -#define TILEGX_ELF_WORD_BYTES(htab) \ - ((htab)->bytes_per_word) - -/* The size of an external RELA relocation. */ -#define TILEGX_ELF_RELA_BYTES(htab) \ - ((htab)->bytes_per_rela) - -/* Both 32-bit and 64-bit tilegx encode this in an identical manner, - so just take advantage of that. */ -#define TILEGX_ELF_R_TYPE(r_info) \ - ((r_info) & 0xFF) - -#define TILEGX_ELF_R_INFO(htab, in_rel, index, type) \ - ((htab)->r_info (in_rel, index, type)) - -#define TILEGX_ELF_R_SYMNDX(htab, r_info) \ - ((htab)->r_symndx(r_info)) - -#define TILEGX_ELF_DTPOFF_RELOC(htab) \ - ((htab)->dtpoff_reloc) - -#define TILEGX_ELF_DTPMOD_RELOC(htab) \ - ((htab)->dtpmod_reloc) - -#define TILEGX_ELF_TPOFF_RELOC(htab) \ - ((htab)->tpoff_reloc) - -#define TILEGX_ELF_PUT_WORD(htab, bfd, val, ptr) \ - ((htab)->put_word (bfd, val, ptr)) - -/* The name of the dynamic interpreter. This is put in the .interp - section. */ - -#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1" -#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1" - - -static reloc_howto_type tilegx_elf_howto_table [] = -{ - /* This reloc does nothing. */ - HOWTO (R_TILEGX_NONE, /* 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_TILEGX_NONE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ -#ifdef BFD64 - /* A 64 bit absolute relocation. */ - HOWTO (R_TILEGX_64, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 64, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_64", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffffffffffffULL, /* dst_mask */ - FALSE), /* pcrel_offset */ -#endif - /* A 32 bit absolute relocation. */ - HOWTO (R_TILEGX_32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_32", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit absolute relocation. */ - HOWTO (R_TILEGX_16, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_16", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* An 8 bit absolute relocation. */ - HOWTO (R_TILEGX_8, /* type */ - 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_TILEGX_8", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xff, /* dst_mask */ - FALSE), /* pcrel_offset */ -#ifdef BFD64 - /* A 64 bit pc-relative relocation. */ - HOWTO (R_TILEGX_64_PCREL,/* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 64, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_32_PCREL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffffffffffffULL, /* dst_mask */ - TRUE), /* pcrel_offset */ -#endif - /* A 32 bit pc-relative relocation. */ - HOWTO (R_TILEGX_32_PCREL,/* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_32_PCREL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffffffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* A 16 bit pc-relative relocation. */ - HOWTO (R_TILEGX_16_PCREL,/* type */ - 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_TILEGX_16_PCREL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* An 8 bit pc-relative relocation. */ - HOWTO (R_TILEGX_8_PCREL, /* type */ - 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_TILEGX_8_PCREL",/* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xff, /* dst_mask */ - TRUE), /* pcrel_offset */ - - /* A 16 bit relocation without overflow. */ - HOWTO (R_TILEGX_HW0, /* type */ - 0, /* rightshift */ - 1, /* 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_TILEGX_HW0", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation without overflow. */ - HOWTO (R_TILEGX_HW1, /* type */ - 16, /* rightshift */ - 1, /* 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_TILEGX_HW1", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation without overflow. */ - HOWTO (R_TILEGX_HW2, /* type */ - 32, /* rightshift */ - 1, /* 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_TILEGX_HW2", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation without overflow. */ - HOWTO (R_TILEGX_HW3, /* type */ - 48, /* rightshift */ - 1, /* 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_TILEGX_HW3", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation with overflow. */ - HOWTO (R_TILEGX_HW0_LAST, /* type */ - 0, /* rightshift */ - 1, /* 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_TILEGX_HW0_LAST", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation with overflow. */ - HOWTO (R_TILEGX_HW1_LAST, /* type */ - 16, /* rightshift */ - 1, /* 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_TILEGX_HW1_LAST", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* A 16 bit relocation with overflow. */ - HOWTO (R_TILEGX_HW2_LAST, /* type */ - 32, /* rightshift */ - 1, /* 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_TILEGX_HW2_LAST", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_TILEGX_COPY, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_COPY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_GLOB_DAT, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_GLOB_DAT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_JMP_SLOT, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_JMP_SLOT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_RELATIVE, /* type */ - 0, /* rightshift */ - 0, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_RELATIVE", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_BROFF_X1, /* type */ - TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 17, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_BROFF_X1", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - -1, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_JUMPOFF_X1, /* type */ - TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 27, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_JUMPOFF_X1", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - -1, /* dst_mask */ - TRUE), /* pcrel_offset */ - - HOWTO (R_TILEGX_JUMPOFF_X1_PLT, /* type */ - TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 27, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_JUMPOFF_X1_PLT", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - -1, /* dst_mask */ - TRUE), /* pcrel_offset */ - -#define TILEGX_IMM_HOWTO(name, size, bitsize) \ - HOWTO (name, 0, size, bitsize, FALSE, 0, \ - complain_overflow_signed, bfd_elf_generic_reloc, \ - #name, FALSE, 0, -1, FALSE) - -#define TILEGX_UIMM_HOWTO(name, size, bitsize) \ - HOWTO (name, 0, size, bitsize, FALSE, 0, \ - complain_overflow_unsigned, bfd_elf_generic_reloc, \ - #name, FALSE, 0, -1, FALSE) - - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_DEST_IMM8_X1, 0, 8), - - TILEGX_UIMM_HOWTO(R_TILEGX_MT_IMM14_X1, 1, 14), - TILEGX_UIMM_HOWTO(R_TILEGX_MF_IMM14_X1, 1, 14), - - TILEGX_UIMM_HOWTO(R_TILEGX_MMSTART_X0, 0, 6), - TILEGX_UIMM_HOWTO(R_TILEGX_MMEND_X0, 0, 6), - - TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X0, 0, 6), - TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X1, 0, 6), - TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y0, 0, 6), - TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y1, 0, 6), - -#define TILEGX_IMM16_HOWTO(name, rshift) \ - HOWTO (name, rshift, 1, 16, FALSE, 0, \ - complain_overflow_dont, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, FALSE) - - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0, 0), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0, 0), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1, 16), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1, 16), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2, 32), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2, 32), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3, 48), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3, 48), - -#define TILEGX_IMM16_HOWTO_LAST(name, rshift) \ - HOWTO (name, rshift, 1, 16, FALSE, 0, \ - complain_overflow_signed, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, FALSE) - - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST, 16), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST, 16), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST, 32), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST, 32), - - /* PC-relative offsets. */ - -#define TILEGX_IMM16_HOWTO_PCREL(name, rshift) \ - HOWTO (name, rshift, 1, 16, TRUE, 0, \ - complain_overflow_dont, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, TRUE) - - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PCREL, 0), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PCREL, 0), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PCREL, 16), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PCREL, 16), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PCREL, 32), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PCREL, 32), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PCREL, 48), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PCREL, 48), - -#define TILEGX_IMM16_HOWTO_LAST_PCREL(name, rshift) \ - HOWTO (name, rshift, 1, 16, TRUE, 0, \ - complain_overflow_signed, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, TRUE) - - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PCREL, 0), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PCREL, 0), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PCREL, 16), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PCREL, 16), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PCREL, 32), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PCREL, 32), - - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0), - - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PLT_PCREL, 0), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PLT_PCREL, 0), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PLT_PCREL, 16), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PLT_PCREL, 16), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PLT_PCREL, 32), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PLT_PCREL, 32), - - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16), - - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PLT_PCREL, 48), - TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PLT_PCREL, 48), - - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0), - - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_LE, 0), - TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_LE, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE, 16), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE, 16), - - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD, 0), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD, 16), - TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD, 16), - EMPTY_HOWTO (90), - EMPTY_HOWTO (91), - -#define TILEGX_IMM16_HOWTO_TLS_IE(name, rshift) \ - HOWTO (name, rshift, 1, 16, FALSE, 0, \ - complain_overflow_dont, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, TRUE) - - TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0), - TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0), - - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, 0), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, 0), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, 16), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, 16), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, 32), - TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL, 32), - -#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \ - HOWTO (name, rshift, 1, 16, FALSE, 0, \ - complain_overflow_signed, bfd_elf_generic_reloc, \ - #name, FALSE, 0, 0xffff, TRUE) - - TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE, 0), - TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 0), - TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE, 16), - TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE, 16), - EMPTY_HOWTO (104), - EMPTY_HOWTO (105), - - HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont, - bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64", - FALSE, 0, 0, TRUE), - HOWTO(R_TILEGX_TLS_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF64", - FALSE, 0, -1, TRUE), - HOWTO(R_TILEGX_TLS_TPOFF64, 0, 0, 0, FALSE, 0, complain_overflow_dont, - bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF64", - FALSE, 0, 0, TRUE), - - HOWTO(R_TILEGX_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont, - bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD32", - FALSE, 0, 0, TRUE), - HOWTO(R_TILEGX_TLS_DTPOFF32, 0, 4, 32, FALSE, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF32", - FALSE, 0, -1, TRUE), - HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont, - bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32", - FALSE, 0, 0, TRUE), - - HOWTO (R_TILEGX_TLS_GD_CALL, /* type */ - TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 27, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed,/* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_TILEGX_TLS_GD_CALL", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - -1, /* dst_mask */ - TRUE), /* pcrel_offset */ - - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_GD_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_GD_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_GD_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_GD_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_TLS_IE_LOAD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_ADD, 0, 8), - TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_ADD, 0, 8), -}; - -static reloc_howto_type tilegx_elf_howto_table2 [] = -{ - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_TILEGX_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - NULL, /* special_function */ - "R_TILEGX_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_TILEGX_GNU_VTENTRY, /* type */ - 0, /* rightshift */ - 4, /* 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_TILEGX_GNU_VTENTRY", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - -}; - -/* Map BFD reloc types to TILEGX ELF reloc types. */ - -typedef struct tilegx_reloc_map -{ - bfd_reloc_code_real_type bfd_reloc_val; - unsigned int tilegx_reloc_val; - reloc_howto_type * table; -} reloc_map; - -static const reloc_map tilegx_reloc_map [] = -{ -#define TH_REMAP(bfd, tilegx) \ - { bfd, tilegx, tilegx_elf_howto_table }, - - /* Standard relocations. */ - TH_REMAP (BFD_RELOC_NONE, R_TILEGX_NONE) - TH_REMAP (BFD_RELOC_64, R_TILEGX_64) - TH_REMAP (BFD_RELOC_32, R_TILEGX_32) - TH_REMAP (BFD_RELOC_16, R_TILEGX_16) - TH_REMAP (BFD_RELOC_8, R_TILEGX_8) - TH_REMAP (BFD_RELOC_64_PCREL, R_TILEGX_64_PCREL) - TH_REMAP (BFD_RELOC_32_PCREL, R_TILEGX_32_PCREL) - TH_REMAP (BFD_RELOC_16_PCREL, R_TILEGX_16_PCREL) - TH_REMAP (BFD_RELOC_8_PCREL, R_TILEGX_8_PCREL) - -#define SIMPLE_REMAP(t) TH_REMAP (BFD_RELOC_##t, R_##t) - - /* Custom relocations. */ - SIMPLE_REMAP (TILEGX_HW0) - SIMPLE_REMAP (TILEGX_HW1) - SIMPLE_REMAP (TILEGX_HW2) - SIMPLE_REMAP (TILEGX_HW3) - SIMPLE_REMAP (TILEGX_HW0_LAST) - SIMPLE_REMAP (TILEGX_HW1_LAST) - SIMPLE_REMAP (TILEGX_HW2_LAST) - SIMPLE_REMAP (TILEGX_COPY) - SIMPLE_REMAP (TILEGX_GLOB_DAT) - SIMPLE_REMAP (TILEGX_JMP_SLOT) - SIMPLE_REMAP (TILEGX_RELATIVE) - SIMPLE_REMAP (TILEGX_BROFF_X1) - SIMPLE_REMAP (TILEGX_JUMPOFF_X1) - SIMPLE_REMAP (TILEGX_JUMPOFF_X1_PLT) - SIMPLE_REMAP (TILEGX_IMM8_X0) - SIMPLE_REMAP (TILEGX_IMM8_Y0) - SIMPLE_REMAP (TILEGX_IMM8_X1) - SIMPLE_REMAP (TILEGX_IMM8_Y1) - SIMPLE_REMAP (TILEGX_DEST_IMM8_X1) - SIMPLE_REMAP (TILEGX_MT_IMM14_X1) - SIMPLE_REMAP (TILEGX_MF_IMM14_X1) - SIMPLE_REMAP (TILEGX_MMSTART_X0) - SIMPLE_REMAP (TILEGX_MMEND_X0) - SIMPLE_REMAP (TILEGX_SHAMT_X0) - SIMPLE_REMAP (TILEGX_SHAMT_X1) - SIMPLE_REMAP (TILEGX_SHAMT_Y0) - SIMPLE_REMAP (TILEGX_SHAMT_Y1) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW3) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW3) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_LE) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE) - SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE) - SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_IE) - - SIMPLE_REMAP (TILEGX_TLS_DTPMOD64) - SIMPLE_REMAP (TILEGX_TLS_DTPOFF64) - SIMPLE_REMAP (TILEGX_TLS_TPOFF64) - - SIMPLE_REMAP (TILEGX_TLS_DTPMOD32) - SIMPLE_REMAP (TILEGX_TLS_DTPOFF32) - SIMPLE_REMAP (TILEGX_TLS_TPOFF32) - - SIMPLE_REMAP (TILEGX_TLS_GD_CALL) - SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_GD_ADD) - SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_GD_ADD) - SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_GD_ADD) - SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_GD_ADD) - SIMPLE_REMAP (TILEGX_TLS_IE_LOAD) - SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_ADD) - SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_ADD) - SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_ADD) - SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_ADD) - -#undef SIMPLE_REMAP -#undef TH_REMAP - - { BFD_RELOC_VTABLE_INHERIT, R_TILEGX_GNU_VTINHERIT, tilegx_elf_howto_table2 }, - { BFD_RELOC_VTABLE_ENTRY, R_TILEGX_GNU_VTENTRY, tilegx_elf_howto_table2 }, -}; - - - -/* The TILE-Gx 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 tilegx_elf_dyn_relocs -{ - struct tilegx_elf_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; -}; - -/* TILEGX ELF linker hash entry. */ - -struct tilegx_elf_link_hash_entry -{ - struct elf_link_hash_entry elf; - - /* Track dynamic relocs copied for this symbol. */ - struct tilegx_elf_dyn_relocs *dyn_relocs; - -#define GOT_UNKNOWN 0 -#define GOT_NORMAL 1 -#define GOT_TLS_GD 2 -#define GOT_TLS_IE 4 - unsigned char tls_type; -}; - -#define tilegx_elf_hash_entry(ent) \ - ((struct tilegx_elf_link_hash_entry *)(ent)) - -struct _bfd_tilegx_elf_obj_tdata -{ - struct elf_obj_tdata root; - - /* tls_type for each local got entry. */ - char *local_got_tls_type; -}; - -#define _bfd_tilegx_elf_tdata(abfd) \ - ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any) - -#define _bfd_tilegx_elf_local_got_tls_type(abfd) \ - (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type) - -#define is_tilegx_elf(bfd) \ - (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ - && elf_tdata (bfd) != NULL \ - && elf_object_id (bfd) == TILEGX_ELF_DATA) - -#include "elf/common.h" -#include "elf/internal.h" - -struct tilegx_elf_link_hash_table -{ - struct elf_link_hash_table elf; - - int bytes_per_word; - int word_align_power; - int bytes_per_rela; - int dtpmod_reloc; - int dtpoff_reloc; - int tpoff_reloc; - bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma); - bfd_vma (*r_symndx) (bfd_vma); - void (*put_word) (bfd *, bfd_vma, void *); - const char *dynamic_interpreter; - - /* Short-cuts to get to dynamic linker sections. */ - asection *sdynbss; - asection *srelbss; - - /* Whether LE transition has been disabled for some of the - sections. */ - bfd_boolean disable_le_transition; - - /* Small local sym to section mapping cache. */ - struct sym_cache sym_cache; -}; - - -/* Get the Tile ELF linker hash table from a link_info structure. */ -#define tilegx_elf_hash_table(p) \ - (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ - == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL) - -#ifdef BFD64 -static bfd_vma -tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, - bfd_vma rel_index, - bfd_vma type) -{ - return ELF64_R_INFO (rel_index, type); -} - -static bfd_vma -tilegx_elf_r_symndx_64 (bfd_vma r_info) -{ - return ELF64_R_SYM (r_info); -} - -static void -tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr) -{ - bfd_put_64 (abfd, val, ptr); -} -#endif /* BFD64 */ - -static bfd_vma -tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, - bfd_vma rel_index, - bfd_vma type) -{ - return ELF32_R_INFO (rel_index, type); -} - -static bfd_vma -tilegx_elf_r_symndx_32 (bfd_vma r_info) -{ - return ELF32_R_SYM (r_info); -} - -static void -tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr) -{ - bfd_put_32 (abfd, val, ptr); -} - -reloc_howto_type * -tilegx_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, - bfd_reloc_code_real_type code) -{ - unsigned int i; - - for (i = ARRAY_SIZE (tilegx_reloc_map); --i;) - { - const reloc_map * entry; - - entry = tilegx_reloc_map + i; - - if (entry->bfd_reloc_val == code) - return entry->table + (entry->tilegx_reloc_val - - entry->table[0].type); - } - - return NULL; -} - -reloc_howto_type * -tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, - const char *r_name) -{ - unsigned int i; - - for (i = 0; - i < (sizeof (tilegx_elf_howto_table) - / sizeof (tilegx_elf_howto_table[0])); - i++) - if (tilegx_elf_howto_table[i].name != NULL - && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0) - return &tilegx_elf_howto_table[i]; - - return NULL; -} - -void -tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, - arelent *cache_ptr, - Elf_Internal_Rela *dst) -{ - unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info); - - if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD) - cache_ptr->howto = &tilegx_elf_howto_table [r_type]; - else if (r_type - R_TILEGX_GNU_VTINHERIT - <= (unsigned int) R_TILEGX_GNU_VTENTRY) - cache_ptr->howto - = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT]; - else - abort (); -} - -typedef tilegx_bundle_bits (*tilegx_create_func)(int); - -static const tilegx_create_func reloc_to_create_func[] = -{ - /* The first twenty relocation types don't correspond to operands */ - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - - /* The remaining relocations are used for immediate operands */ - create_BrOff_X1, - create_JumpOff_X1, - create_JumpOff_X1, - create_Imm8_X0, - create_Imm8_Y0, - create_Imm8_X1, - create_Imm8_Y1, - create_Dest_Imm8_X1, - create_MT_Imm14_X1, - create_MF_Imm14_X1, - create_BFStart_X0, - create_BFEnd_X0, - create_ShAmt_X0, - create_ShAmt_X1, - create_ShAmt_Y0, - create_ShAmt_Y1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - NULL, - NULL, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, - create_Imm16_X0, - create_Imm16_X1, -}; - -static void -tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel) -{ - const struct elf_backend_data *bed; - bfd_byte *loc; - - bed = get_elf_backend_data (abfd); - loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela); - bed->s->swap_reloca_out (abfd, rel, loc); -} - -/* PLT/GOT stuff */ - -/* The procedure linkage table starts with the following header: - - ld_add r28, r27, 8 - ld r27, r27 - { - jr r27 - info 10 ## SP not offset, return PC in LR - } - - Subsequent entries are the following, jumping to the header at the end: - - { - moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET> - lnk r26 - } -1: - { - moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b> - shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> - } - { - add r28, r26, r28 - shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b> - } - { - add r27, r26, r27 - ld r28, r28 - info 10 ## SP not offset, return PC in LR - } - { - shl16insli r29, zero, MY_PLT_INDEX - jr r28 - } - - This code sequence lets the code at at the start of the PLT determine - which PLT entry was executed by examining 'r29'. - - Note that MY_PLT_INDEX skips over the header entries, so the first - actual jump table entry has index zero. - - If the offset fits in 16 bits, - - lnk r26 -1: - { - addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET> - moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b> - } - { - shl16insli r29, zero, MY_PLT_INDEX - ld r28, r28 - } - { - add r27, r26, r27 - jr r28 - } - info 10 ## SP not offset, return PC in LR - - For the purpose of backtracing, the procedure linkage table ends with the - following tail entry: - - info 10 ## SP not offset, return PC in LR - - The 32-bit versions are similar, with ld4s replacing ld, and offsets into - the GOT being multiples of 4 instead of 8. - -*/ - -#define PLT_HEADER_SIZE_IN_BUNDLES 3 -#define PLT_ENTRY_SIZE_IN_BUNDLES 5 -#define PLT_TAIL_SIZE_IN_BUNDLES 1 - -#define PLT_HEADER_SIZE \ - (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES) -#define PLT_ENTRY_SIZE \ - (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES) -#define PLT_TAIL_SIZE \ - (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES) - -#define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab) - -#define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab)) - -static const bfd_byte -tilegx64_plt0_entry[PLT_HEADER_SIZE] = -{ - 0x00, 0x30, 0x48, 0x51, - 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */ - 0x00, 0x30, 0xbc, 0x35, - 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */ - 0xff, 0xaf, 0x30, 0x40, - 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */ -}; - -static const bfd_byte -tilegx64_long_plt_entry[PLT_ENTRY_SIZE] = -{ - 0xdc, 0x0f, 0x00, 0x10, - 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */ - 0xdb, 0x0f, 0x00, 0x10, - 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */ - 0x9c, 0xc6, 0x0d, 0xd0, - 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */ - 0x9b, 0xb6, 0xc5, 0xad, - 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */ - 0xdd, 0x0f, 0x00, 0x70, - 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */ -}; - -static const bfd_byte -tilegx64_short_plt_entry[PLT_ENTRY_SIZE] = -{ - 0x00, 0x30, 0x48, 0x51, - 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */ - 0x9c, 0x06, 0x00, 0x90, - 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */ - 0xdd, 0x0f, 0x00, 0x70, - 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */ - 0x9b, 0xb6, 0x0d, 0x50, - 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */ - 0x00, 0x30, 0x48, 0xd1, - 0xff, 0x57, 0x18, 0x18, /* { info 10 } */ -}; - -/* Reuse an existing info 10 bundle. */ -static const bfd_byte *const tilegx64_plt_tail_entry = - &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES]; - -static const bfd_byte -tilegx32_plt0_entry[PLT_HEADER_SIZE] = -{ - 0x00, 0x30, 0x48, 0x51, - 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */ - 0x00, 0x30, 0xbc, 0x35, - 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */ - 0xff, 0xaf, 0x30, 0x40, - 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */ -}; - -static const bfd_byte -tilegx32_long_plt_entry[PLT_ENTRY_SIZE] = -{ - 0xdc, 0x0f, 0x00, 0x10, - 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */ - 0xdb, 0x0f, 0x00, 0x10, - 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */ - 0x9c, 0xc6, 0x0d, 0xd0, - 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */ - 0x9b, 0xb6, 0xc5, 0xad, - 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */ - 0xdd, 0x0f, 0x00, 0x70, - 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */ -}; - -static const bfd_byte -tilegx32_short_plt_entry[PLT_ENTRY_SIZE] = -{ - 0x00, 0x30, 0x48, 0x51, - 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */ - 0x9c, 0x06, 0x00, 0x90, - 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */ - 0xdd, 0x0f, 0x00, 0x70, - 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */ - 0x9b, 0xb6, 0x0d, 0x50, - 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */ - 0x00, 0x30, 0x48, 0xd1, - 0xff, 0x57, 0x18, 0x18, /* { info 10 } */ -}; - -/* Reuse an existing info 10 bundle. */ -static const bfd_byte *const tilegx32_plt_tail_entry = - &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES]; - -static int -tilegx_plt_entry_build (bfd *output_bfd, - struct tilegx_elf_link_hash_table *htab, - asection *splt, asection *sgotplt, - bfd_vma offset, bfd_vma *r_offset) -{ - int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE; - int got_offset = (plt_index * GOT_ENTRY_SIZE (htab) - + GOTPLT_HEADER_SIZE (htab)); - tilegx_bundle_bits *pc; - - /* Compute the distance from the got entry to the lnk. */ - bfd_signed_vma dist_got_entry = sgotplt->output_section->vma - + sgotplt->output_offset - + got_offset - - splt->output_section->vma - - splt->output_offset - - offset - - TILEGX_BUNDLE_SIZE_IN_BYTES; - - /* Compute the distance to GOTPLT[0]. */ - bfd_signed_vma dist_got0 = dist_got_entry - got_offset; - - /* Check whether we can use the short plt entry with 16-bit offset. */ - bfd_boolean short_plt_entry = - (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000); - - const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *) - (ABI_64_P (output_bfd) ? - (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) : - (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry)); - - /* Copy the plt entry template. */ - memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE); - - /* Write the immediate offsets. */ - pc = (tilegx_bundle_bits *)(splt->contents + offset); - - if (short_plt_entry) - { - /* { lnk r28 } */ - pc++; - - /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */ - *pc++ |= create_Imm16_X0 (dist_got_entry) - | create_Imm16_X1 (dist_got0); - - /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */ - *pc++ |= create_Imm16_X0 (plt_index); - } - else - { - /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */ - *pc++ |= create_Imm16_X0 (dist_got_entry >> 16); - - /* { moveli r27, &GOTPLT[0] ; - shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */ - *pc++ |= create_Imm16_X0 (dist_got0 >> 16) - | create_Imm16_X1 (dist_got_entry); - - /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */ - *pc++ |= create_Imm16_X1 (dist_got0); - - /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */ - pc++; - - /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */ - *pc++ |= create_Imm16_X0 (plt_index); - } - - /* Set the relocation offset. */ - *r_offset = got_offset; - - return plt_index; -} - -/* Create an entry in an TILEGX ELF linker hash table. */ - -static struct bfd_hash_entry * -link_hash_newfunc (struct bfd_hash_entry *entry, - struct bfd_hash_table *table, const char *string) -{ - /* Allocate the structure if it has not already been allocated by a - subclass. */ - if (entry == NULL) - { - entry = - bfd_hash_allocate (table, - sizeof (struct tilegx_elf_link_hash_entry)); - if (entry == NULL) - return entry; - } - - /* Call the allocation method of the superclass. */ - entry = _bfd_elf_link_hash_newfunc (entry, table, string); - if (entry != NULL) - { - struct tilegx_elf_link_hash_entry *eh; - - eh = (struct tilegx_elf_link_hash_entry *) entry; - eh->dyn_relocs = NULL; - eh->tls_type = GOT_UNKNOWN; - } - - return entry; -} - -/* Create a TILEGX ELF linker hash table. */ - -struct bfd_link_hash_table * -tilegx_elf_link_hash_table_create (bfd *abfd) -{ - struct tilegx_elf_link_hash_table *ret; - bfd_size_type amt = sizeof (struct tilegx_elf_link_hash_table); - - ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt); - if (ret == NULL) - return NULL; - -#ifdef BFD64 - if (ABI_64_P (abfd)) - { - ret->bytes_per_word = 8; - ret->word_align_power = 3; - ret->bytes_per_rela = sizeof (Elf64_External_Rela); - ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64; - ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64; - ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64; - ret->r_info = tilegx_elf_r_info_64; - ret->r_symndx = tilegx_elf_r_symndx_64; - ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER; - ret->put_word = tilegx_put_word_64; - } - else -#endif - { - ret->bytes_per_word = 4; - ret->word_align_power = 2; - ret->bytes_per_rela = sizeof (Elf32_External_Rela); - ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32; - ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32; - ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32; - ret->r_info = tilegx_elf_r_info_32; - ret->r_symndx = tilegx_elf_r_symndx_32; - ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER; - ret->put_word = tilegx_put_word_32; - } - - if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, - sizeof (struct tilegx_elf_link_hash_entry), - TILEGX_ELF_DATA)) - { - free (ret); - return NULL; - } - - return &ret->elf.root; -} - -/* Create the .got section. */ - -static bfd_boolean -tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) -{ - flagword flags; - asection *s, *s_got; - struct elf_link_hash_entry *h; - const struct elf_backend_data *bed = get_elf_backend_data (abfd); - struct elf_link_hash_table *htab = elf_hash_table (info); - - /* This function may be called more than once. */ - s = bfd_get_linker_section (abfd, ".got"); - if (s != NULL) - return TRUE; - - flags = bed->dynamic_sec_flags; - - s = bfd_make_section_anyway_with_flags (abfd, - (bed->rela_plts_and_copies_p - ? ".rela.got" : ".rel.got"), - (bed->dynamic_sec_flags - | SEC_READONLY)); - if (s == NULL - || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) - return FALSE; - htab->srelgot = s; - - s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags); - if (s == NULL - || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) - return FALSE; - htab->sgot = s; - - /* The first bit of the global offset table is the header. */ - s->size += bed->got_header_size; - - if (bed->want_got_plt) - { - s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags); - if (s == NULL - || !bfd_set_section_alignment (abfd, s, - bed->s->log_file_align)) - return FALSE; - htab->sgotplt = s; - - /* Reserve room for the header. */ - s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info)); - } - - if (bed->want_got_sym) - { - /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got - section. We don't do this in the linker script because we don't want - to define the symbol if we are not creating a global offset - table. */ - h = _bfd_elf_define_linkage_sym (abfd, info, s_got, - "_GLOBAL_OFFSET_TABLE_"); - elf_hash_table (info)->hgot = h; - if (h == NULL) - return FALSE; - } - - return TRUE; -} - -/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and - .rela.bss sections in DYNOBJ, and set up shortcuts to them in our - hash table. */ - -bfd_boolean -tilegx_elf_create_dynamic_sections (bfd *dynobj, - struct bfd_link_info *info) -{ - struct tilegx_elf_link_hash_table *htab; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - - if (!tilegx_elf_create_got_section (dynobj, info)) - return FALSE; - - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) - return FALSE; - - htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss"); - if (!info->shared) - htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss"); - - if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss - || (!info->shared && !htab->srelbss)) - abort (); - - return TRUE; -} - -/* Copy the extra info we tack onto an elf_link_hash_entry. */ - -void -tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info, - struct elf_link_hash_entry *dir, - struct elf_link_hash_entry *ind) -{ - struct tilegx_elf_link_hash_entry *edir, *eind; - - edir = (struct tilegx_elf_link_hash_entry *) dir; - eind = (struct tilegx_elf_link_hash_entry *) ind; - - if (eind->dyn_relocs != NULL) - { - if (edir->dyn_relocs != NULL) - { - struct tilegx_elf_dyn_relocs **pp; - struct tilegx_elf_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 tilegx_elf_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 - && dir->got.refcount <= 0) - { - edir->tls_type = eind->tls_type; - eind->tls_type = GOT_UNKNOWN; - } - _bfd_elf_link_hash_copy_indirect (info, dir, ind); -} - -static int -tilegx_tls_translate_to_le (int r_type) -{ - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - return R_TILEGX_IMM16_X0_HW0_TLS_LE; - - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - return R_TILEGX_IMM16_X1_HW0_TLS_LE; - - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE; - - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE; - - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE; - - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE; - } - return r_type; -} - -static int -tilegx_tls_translate_to_ie (int r_type) -{ - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - return R_TILEGX_IMM16_X0_HW0_TLS_IE; - - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - return R_TILEGX_IMM16_X1_HW0_TLS_IE; - - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE; - - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE; - - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE; - - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE; - } - return r_type; -} - -static int -tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type, - int is_local, bfd_boolean disable_le_transition) -{ - if (info->shared) - return r_type; - - if (is_local && !disable_le_transition) - return tilegx_tls_translate_to_le (r_type); - else - return tilegx_tls_translate_to_ie (r_type); -} - -/* Look through the relocs for a section during the first phase, and - allocate space in the global offset table or procedure linkage - table. */ - -bfd_boolean -tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, - asection *sec, const Elf_Internal_Rela *relocs) -{ - struct tilegx_elf_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - const Elf_Internal_Rela *rel; - const Elf_Internal_Rela *rel_end; - asection *sreloc; - int num_relocs; - bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE; - - if (info->relocatable) - return TRUE; - - htab = tilegx_elf_hash_table (info); - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - - sreloc = NULL; - - num_relocs = sec->reloc_count; - - BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0); - - if (htab->elf.dynobj == NULL) - htab->elf.dynobj = abfd; - - rel_end = relocs + num_relocs; - - /* Check whether to do optimization to transform TLS GD/IE - referehces to TLS LE. We disable it if we're linking with old - TLS code sequences that do not support such optimization. Old - TLS code sequences have tls_gd_call/tls_ie_load relocations but - no tls_add relocations. */ - for (rel = relocs; rel < rel_end && !has_tls_add; rel++) - { - int r_type = TILEGX_ELF_R_TYPE (rel->r_info); - switch (r_type) - { - case R_TILEGX_TLS_GD_CALL: - case R_TILEGX_TLS_IE_LOAD: - has_tls_gd_or_ie = TRUE; - break; - case R_TILEGX_IMM8_X0_TLS_ADD: - case R_TILEGX_IMM8_Y0_TLS_ADD: - case R_TILEGX_IMM8_X1_TLS_ADD: - case R_TILEGX_IMM8_Y1_TLS_ADD: - has_tls_add = TRUE; - break; - } - } - - sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add); - htab->disable_le_transition |= sec->sec_flg0; - - for (rel = relocs; rel < rel_end; rel++) - { - unsigned int r_type; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - int tls_type; - - r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info); - r_type = TILEGX_ELF_R_TYPE (rel->r_info); - - if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) - { - (*_bfd_error_handler) (_("%B: bad symbol index: %d"), - abfd, r_symndx); - return FALSE; - } - - 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; - } - - r_type = tilegx_elf_tls_transition (info, r_type, h == NULL, - sec->sec_flg0); - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_TLS_LE: - case R_TILEGX_IMM16_X1_HW0_TLS_LE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE: - if (info->shared) - goto r_tilegx_plt32; - break; - - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - BFD_ASSERT (info->shared); - tls_type = GOT_TLS_GD; - goto have_got_reference; - - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - tls_type = GOT_TLS_IE; - if (info->shared) - info->flags |= DF_STATIC_TLS; - goto have_got_reference; - - case R_TILEGX_IMM16_X0_HW0_GOT: - case R_TILEGX_IMM16_X1_HW0_GOT: - case R_TILEGX_IMM16_X0_HW0_LAST_GOT: - case R_TILEGX_IMM16_X1_HW0_LAST_GOT: - case R_TILEGX_IMM16_X0_HW1_LAST_GOT: - case R_TILEGX_IMM16_X1_HW1_LAST_GOT: - tls_type = GOT_NORMAL; - /* Fall Through */ - - have_got_reference: - /* This symbol requires a global offset table entry. */ - { - int old_tls_type; - - if (h != NULL) - { - h->got.refcount += 1; - old_tls_type = tilegx_elf_hash_entry(h)->tls_type; - } - 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) + sizeof(char)); - local_got_refcounts = ((bfd_signed_vma *) - bfd_zalloc (abfd, size)); - if (local_got_refcounts == NULL) - return FALSE; - elf_local_got_refcounts (abfd) = local_got_refcounts; - _bfd_tilegx_elf_local_got_tls_type (abfd) - = (char *) (local_got_refcounts + symtab_hdr->sh_info); - } - local_got_refcounts[r_symndx] += 1; - old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx]; - } - - /* If a TLS symbol is accessed using IE at least once, - there is no point to use dynamic model for it. */ - if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN - && (old_tls_type != GOT_TLS_GD - || tls_type != GOT_TLS_IE)) - { - if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) - tls_type = old_tls_type; - else - { - (*_bfd_error_handler) - (_("%B: `%s' accessed both as normal and thread local symbol"), - abfd, h ? h->root.root.string : "<local>"); - return FALSE; - } - } - - if (old_tls_type != tls_type) - { - if (h != NULL) - tilegx_elf_hash_entry (h)->tls_type = tls_type; - else - _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type; - } - } - - if (htab->elf.sgot == NULL) - { - if (!tilegx_elf_create_got_section (htab->elf.dynobj, info)) - return FALSE; - } - break; - - case R_TILEGX_TLS_GD_CALL: - if (info->shared) - { - /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs - against __tls_get_addr. */ - struct bfd_link_hash_entry *bh = NULL; - if (! _bfd_generic_link_add_one_symbol (info, abfd, - "__tls_get_addr", 0, - bfd_und_section_ptr, 0, - NULL, FALSE, FALSE, - &bh)) - return FALSE; - h = (struct elf_link_hash_entry *) bh; - } - else - break; - /* Fall through */ - - case R_TILEGX_JUMPOFF_X1_PLT: - case R_TILEGX_IMM16_X0_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL: - /* This symbol requires a procedure linkage table entry. We - actually build the entry in adjust_dynamic_symbol, - because this might be a case of linking PIC code without - linking in any dynamic objects, in which case we don't - need to generate a procedure linkage table after all. */ - - if (h != NULL) - { - h->needs_plt = 1; - h->plt.refcount += 1; - } - break; - - case R_TILEGX_64_PCREL: - case R_TILEGX_32_PCREL: - case R_TILEGX_16_PCREL: - case R_TILEGX_8_PCREL: - case R_TILEGX_IMM16_X0_HW0_PCREL: - case R_TILEGX_IMM16_X1_HW0_PCREL: - case R_TILEGX_IMM16_X0_HW1_PCREL: - case R_TILEGX_IMM16_X1_HW1_PCREL: - case R_TILEGX_IMM16_X0_HW2_PCREL: - case R_TILEGX_IMM16_X1_HW2_PCREL: - case R_TILEGX_IMM16_X0_HW3_PCREL: - case R_TILEGX_IMM16_X1_HW3_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PCREL: - if (h != NULL) - h->non_got_ref = 1; - - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - - case R_TILEGX_64: - case R_TILEGX_32: - case R_TILEGX_16: - case R_TILEGX_8: - case R_TILEGX_HW0: - case R_TILEGX_HW1: - case R_TILEGX_HW2: - case R_TILEGX_HW3: - case R_TILEGX_HW0_LAST: - case R_TILEGX_HW1_LAST: - case R_TILEGX_HW2_LAST: - case R_TILEGX_COPY: - case R_TILEGX_GLOB_DAT: - case R_TILEGX_JMP_SLOT: - case R_TILEGX_RELATIVE: - case R_TILEGX_BROFF_X1: - case R_TILEGX_JUMPOFF_X1: - case R_TILEGX_IMM8_X0: - case R_TILEGX_IMM8_Y0: - case R_TILEGX_IMM8_X1: - case R_TILEGX_IMM8_Y1: - case R_TILEGX_DEST_IMM8_X1: - case R_TILEGX_MT_IMM14_X1: - case R_TILEGX_MF_IMM14_X1: - case R_TILEGX_MMSTART_X0: - case R_TILEGX_MMEND_X0: - case R_TILEGX_SHAMT_X0: - case R_TILEGX_SHAMT_X1: - case R_TILEGX_SHAMT_Y0: - case R_TILEGX_SHAMT_Y1: - case R_TILEGX_IMM16_X0_HW0: - case R_TILEGX_IMM16_X1_HW0: - case R_TILEGX_IMM16_X0_HW1: - case R_TILEGX_IMM16_X1_HW1: - case R_TILEGX_IMM16_X0_HW2: - case R_TILEGX_IMM16_X1_HW2: - case R_TILEGX_IMM16_X0_HW3: - case R_TILEGX_IMM16_X1_HW3: - case R_TILEGX_IMM16_X0_HW0_LAST: - case R_TILEGX_IMM16_X1_HW0_LAST: - case R_TILEGX_IMM16_X0_HW1_LAST: - case R_TILEGX_IMM16_X1_HW1_LAST: - case R_TILEGX_IMM16_X0_HW2_LAST: - case R_TILEGX_IMM16_X1_HW2_LAST: - if (h != NULL) - h->non_got_ref = 1; - - r_tilegx_plt32: - if (h != NULL && !info->shared) - { - /* We may need a .plt entry if the function this reloc - refers to is in a shared lib. */ - h->plt.refcount += 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 ((info->shared - && (sec->flags & SEC_ALLOC) != 0 - && (! tilegx_elf_howto_table[r_type].pc_relative - || (h != NULL - && (! info->symbolic - || h->root.type == bfd_link_hash_defweak - || !h->def_regular)))) - || (!info->shared - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->root.type == bfd_link_hash_defweak - || !h->def_regular))) - { - struct tilegx_elf_dyn_relocs *p; - struct tilegx_elf_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) - { - sreloc = _bfd_elf_make_dynamic_reloc_section - (sec, htab->elf.dynobj, htab->word_align_power, abfd, - /*rela?*/ TRUE); - - if (sreloc == NULL) - return FALSE; - } - - /* If this is a global symbol, we count the number of - relocations we need for this symbol. */ - if (h != NULL) - head = - &((struct tilegx_elf_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; - void *vpp; - Elf_Internal_Sym *isym; - - isym = bfd_sym_from_r_symndx (&htab->sym_cache, - abfd, r_symndx); - if (isym == NULL) - return FALSE; - - s = bfd_section_from_elf_index (abfd, isym->st_shndx); - if (s == NULL) - s = sec; - - vpp = &elf_section_data (s)->local_dynrel; - head = (struct tilegx_elf_dyn_relocs **) vpp; - } - - p = *head; - if (p == NULL || p->sec != sec) - { - bfd_size_type amt = sizeof *p; - p = ((struct tilegx_elf_dyn_relocs *) - bfd_alloc (htab->elf.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 (tilegx_elf_howto_table[r_type].pc_relative) - p->pc_count += 1; - } - - break; - - case R_TILEGX_GNU_VTINHERIT: - if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return FALSE; - break; - - case R_TILEGX_GNU_VTENTRY: - if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) - return FALSE; - break; - - default: - break; - } - } - - return TRUE; -} - - -asection * -tilegx_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 (TILEGX_ELF_R_TYPE (rel->r_info)) - { - case R_TILEGX_GNU_VTINHERIT: - case R_TILEGX_GNU_VTENTRY: - return NULL; - } - } - - /* FIXME: The test here, in check_relocs and in relocate_section - dealing with TLS optimization, ought to be !info->executable. */ - if (info->shared) - { - switch (TILEGX_ELF_R_TYPE (rel->r_info)) - { - case R_TILEGX_TLS_GD_CALL: - /* This reloc implicitly references __tls_get_addr. We know - another reloc will reference the same symbol as the one - on this reloc, so the real symbol and section will be - gc marked when processing the other reloc. That lets - us handle __tls_get_addr here. */ - h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr", - FALSE, FALSE, TRUE); - BFD_ASSERT (h != NULL); - h->mark = 1; - if (h->u.weakdef != NULL) - h->u.weakdef->mark = 1; - sym = NULL; - } - } - - return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); -} - -/* Update the got entry reference counts for the section being removed. */ -bfd_boolean -tilegx_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, - asection *sec, const Elf_Internal_Rela *relocs) -{ - struct tilegx_elf_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_signed_vma *local_got_refcounts; - const Elf_Internal_Rela *rel, *relend; - - if (info->relocatable) - return TRUE; - - BFD_ASSERT (is_tilegx_elf (abfd) || sec->reloc_count == 0); - - elf_section_data (sec)->local_dynrel = NULL; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - symtab_hdr = &elf_symtab_hdr (abfd); - 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; - unsigned int r_type; - struct elf_link_hash_entry *h = NULL; - - r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - struct tilegx_elf_link_hash_entry *eh; - struct tilegx_elf_dyn_relocs **pp; - struct tilegx_elf_dyn_relocs *p; - - 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; - eh = (struct tilegx_elf_link_hash_entry *) h; - for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) - if (p->sec == sec) - { - /* Everything must go for SEC. */ - *pp = p->next; - break; - } - } - - r_type = TILEGX_ELF_R_TYPE (rel->r_info); - r_type = tilegx_elf_tls_transition (info, r_type, h != NULL, - sec->sec_flg0); - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_GOT: - case R_TILEGX_IMM16_X1_HW0_GOT: - case R_TILEGX_IMM16_X0_HW0_LAST_GOT: - case R_TILEGX_IMM16_X1_HW0_LAST_GOT: - case R_TILEGX_IMM16_X0_HW1_LAST_GOT: - case R_TILEGX_IMM16_X1_HW1_LAST_GOT: - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - 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; - - case R_TILEGX_64_PCREL: - case R_TILEGX_32_PCREL: - case R_TILEGX_16_PCREL: - case R_TILEGX_8_PCREL: - case R_TILEGX_IMM16_X0_HW0_PCREL: - case R_TILEGX_IMM16_X1_HW0_PCREL: - case R_TILEGX_IMM16_X0_HW1_PCREL: - case R_TILEGX_IMM16_X1_HW1_PCREL: - case R_TILEGX_IMM16_X0_HW2_PCREL: - case R_TILEGX_IMM16_X1_HW2_PCREL: - case R_TILEGX_IMM16_X0_HW3_PCREL: - case R_TILEGX_IMM16_X1_HW3_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PCREL: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - - case R_TILEGX_64: - case R_TILEGX_32: - case R_TILEGX_16: - case R_TILEGX_8: - case R_TILEGX_HW0: - case R_TILEGX_HW1: - case R_TILEGX_HW2: - case R_TILEGX_HW3: - case R_TILEGX_HW0_LAST: - case R_TILEGX_HW1_LAST: - case R_TILEGX_HW2_LAST: - case R_TILEGX_COPY: - case R_TILEGX_GLOB_DAT: - case R_TILEGX_JMP_SLOT: - case R_TILEGX_RELATIVE: - case R_TILEGX_BROFF_X1: - case R_TILEGX_JUMPOFF_X1: - case R_TILEGX_IMM8_X0: - case R_TILEGX_IMM8_Y0: - case R_TILEGX_IMM8_X1: - case R_TILEGX_IMM8_Y1: - case R_TILEGX_DEST_IMM8_X1: - case R_TILEGX_MT_IMM14_X1: - case R_TILEGX_MF_IMM14_X1: - case R_TILEGX_MMSTART_X0: - case R_TILEGX_MMEND_X0: - case R_TILEGX_SHAMT_X0: - case R_TILEGX_SHAMT_X1: - case R_TILEGX_SHAMT_Y0: - case R_TILEGX_SHAMT_Y1: - case R_TILEGX_IMM16_X0_HW0: - case R_TILEGX_IMM16_X1_HW0: - case R_TILEGX_IMM16_X0_HW1: - case R_TILEGX_IMM16_X1_HW1: - case R_TILEGX_IMM16_X0_HW2: - case R_TILEGX_IMM16_X1_HW2: - case R_TILEGX_IMM16_X0_HW3: - case R_TILEGX_IMM16_X1_HW3: - case R_TILEGX_IMM16_X0_HW0_LAST: - case R_TILEGX_IMM16_X1_HW0_LAST: - case R_TILEGX_IMM16_X0_HW1_LAST: - case R_TILEGX_IMM16_X1_HW1_LAST: - case R_TILEGX_IMM16_X0_HW2_LAST: - case R_TILEGX_IMM16_X1_HW2_LAST: - if (info->shared) - break; - /* Fall through. */ - - case R_TILEGX_JUMPOFF_X1_PLT: - case R_TILEGX_IMM16_X0_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL: - if (h != NULL) - { - if (h->plt.refcount > 0) - h->plt.refcount--; - } - break; - - default: - break; - } - } - - return TRUE; -} - -/* 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. */ - -bfd_boolean -tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info, - struct elf_link_hash_entry *h) -{ - struct tilegx_elf_link_hash_table *htab; - struct tilegx_elf_link_hash_entry * eh; - struct tilegx_elf_dyn_relocs *p; - bfd *dynobj; - asection *s; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - - dynobj = htab->elf.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 - (although we could actually do it here). */ - if (h->type == STT_FUNC || h->needs_plt) - { - if (h->plt.refcount <= 0 - || SYMBOL_CALLS_LOCAL (info, h) - || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT - && h->root.type == bfd_link_hash_undefweak)) - { - /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT - reloc in an input file, but the symbol was never referred - to by a dynamic object, or if all references were garbage - collected. In such a case, we don't actually need to build - a procedure linkage table, and we can just do a - R_TILEGX_JUMPOFF_X1 relocation 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 (info->shared) - 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 tilegx_elf_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) != 0) - break; - } - - /* If we didn't find any dynamic relocs in read-only sections, 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. */ - - /* We must generate a R_TILEGX_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 - .rel.bss section we are going to use. */ - if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) - { - htab->srelbss->size += TILEGX_ELF_RELA_BYTES (htab); - h->needs_copy = 1; - } - - return _bfd_elf_adjust_dynamic_copy (h, htab->sdynbss); -} - -/* 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 tilegx_elf_link_hash_table *htab; - struct tilegx_elf_link_hash_entry *eh; - struct tilegx_elf_dyn_relocs *p; - - if (h->root.type == bfd_link_hash_indirect) - return TRUE; - - info = (struct bfd_link_info *) inf; - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - - if (htab->elf.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, info->shared, h)) - { - asection *s = htab->elf.splt; - - /* Allocate room for the header and tail. */ - if (s->size == 0) - { - s->size = PLT_ENTRY_SIZE; - } - - h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_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 (! info->shared - && !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. */ - htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab); - - /* We also need to make an entry in the .rela.plt section. */ - htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab); - } - else - { - h->plt.offset = (bfd_vma) -1; - h->needs_plt = 0; - } - } - else - { - h->plt.offset = (bfd_vma) -1; - h->needs_plt = 0; - } - - /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE - requiring no TLS entry. */ - if (h->got.refcount > 0 - && !htab->disable_le_transition - && !info->shared - && h->dynindx == -1 - && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE) - h->got.offset = (bfd_vma) -1; - else if (h->got.refcount > 0) - { - asection *s; - bfd_boolean dyn; - int tls_type = tilegx_elf_hash_entry(h)->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->elf.sgot; - h->got.offset = s->size; - s->size += TILEGX_ELF_WORD_BYTES (htab); - /* TLS_GD entries need 2 consecutive GOT slots. */ - if (tls_type == GOT_TLS_GD) - s->size += TILEGX_ELF_WORD_BYTES (htab); - dyn = htab->elf.dynamic_sections_created; - /* TLS_IE needs one dynamic relocation, - TLS_GD needs two if local symbol and two if global. */ - if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE) - htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab); - else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) - htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab); - } - else - h->got.offset = (bfd_vma) -1; - - eh = (struct tilegx_elf_link_hash_entry *) h; - 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 (info->shared) - { - if (SYMBOL_CALLS_LOCAL (info, h)) - { - struct tilegx_elf_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->elf.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 * TILEGX_ELF_RELA_BYTES (htab); - } - - 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 tilegx_elf_link_hash_entry *eh; - struct tilegx_elf_dyn_relocs *p; - - eh = (struct tilegx_elf_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; -} - -/* Return true if the dynamic symbol for a given section should be - omitted when creating a shared library. */ - -bfd_boolean -tilegx_elf_omit_section_dynsym (bfd *output_bfd, - struct bfd_link_info *info, - asection *p) -{ - /* We keep the .got section symbol so that explicit relocations - against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode - can be turned into relocations against the .got symbol. */ - if (strcmp (p->name, ".got") == 0) - return FALSE; - - return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p); -} - -bfd_boolean -tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, - struct bfd_link_info *info) -{ - struct tilegx_elf_link_hash_table *htab; - bfd *dynobj; - asection *s; - bfd *ibfd; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - dynobj = htab->elf.dynobj; - BFD_ASSERT (dynobj != NULL); - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Set the contents of the .interp section to the interpreter. */ - if (info->executable) - { - s = bfd_get_linker_section (dynobj, ".interp"); - BFD_ASSERT (s != NULL); - s->size = strlen (htab->dynamic_interpreter) + 1; - s->contents = (unsigned char *) htab->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; - char *local_tls_type; - bfd_size_type locsymcount; - Elf_Internal_Shdr *symtab_hdr; - asection *srel; - - if (! is_tilegx_elf (ibfd)) - continue; - - for (s = ibfd->sections; s != NULL; s = s->next) - { - struct tilegx_elf_dyn_relocs *p; - - for (p = 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 * TILEGX_ELF_RELA_BYTES (htab); - 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_symtab_hdr (ibfd); - locsymcount = symtab_hdr->sh_info; - end_local_got = local_got + locsymcount; - local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd); - s = htab->elf.sgot; - srel = htab->elf.srelgot; - for (; local_got < end_local_got; ++local_got, ++local_tls_type) - { - if (*local_got > 0) - { - *local_got = s->size; - s->size += TILEGX_ELF_WORD_BYTES (htab); - if (*local_tls_type == GOT_TLS_GD) - s->size += TILEGX_ELF_WORD_BYTES (htab); - if (info->shared - || *local_tls_type == GOT_TLS_GD - || *local_tls_type == GOT_TLS_IE) - srel->size += TILEGX_ELF_RELA_BYTES (htab); - } - else - *local_got = (bfd_vma) -1; - } - } - - /* Allocate global sym .plt and .got entries, and space for global - sym dynamic relocs. */ - elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info); - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* If the .got section is more than 0x8000 bytes, we add - 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16 - bit relocations have a greater chance of working. */ - if (htab->elf.sgot->size >= 0x8000 - && elf_hash_table (info)->hgot->root.u.def.value == 0) - elf_hash_table (info)->hgot->root.u.def.value = 0x8000; - } - - if (htab->elf.sgotplt) - { - struct elf_link_hash_entry *got; - got = elf_link_hash_lookup (elf_hash_table (info), - "_GLOBAL_OFFSET_TABLE_", - FALSE, FALSE, FALSE); - - /* Don't allocate .got.plt section if there are no GOT nor PLT - entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */ - if ((got == NULL - || !got->ref_regular_nonweak) - && (htab->elf.sgotplt->size - == (unsigned)GOTPLT_HEADER_SIZE (htab)) - && (htab->elf.splt == NULL - || htab->elf.splt->size == 0) - && (htab->elf.sgot == NULL - || (htab->elf.sgot->size - == get_elf_backend_data (output_bfd)->got_header_size))) - htab->elf.sgotplt->size = 0; - } - - /* The check_relocs and adjust_dynamic_symbol entry points have - determined the sizes of the various dynamic sections. Allocate - memory for them. */ - for (s = dynobj->sections; s != NULL; s = s->next) - { - if ((s->flags & SEC_LINKER_CREATED) == 0) - continue; - - if (s == htab->elf.splt - || s == htab->elf.sgot - || s == htab->elf.sgotplt - || s == htab->sdynbss) - { - /* Strip this section if we don't need it; see the - comment below. */ - } - else if (strncmp (s->name, ".rela", 5) == 0) - { - if (s->size != 0) - { - /* 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. */ - 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. Zero the memory - for the benefit of .rela.plt, which has 4 unused entries - at the beginning, and we don't want garbage. */ - s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); - if (s->contents == NULL) - return FALSE; - } - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Add some entries to the .dynamic section. We fill in the - values later, in tilegx_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 (info->executable) - { - if (!add_dynamic_entry (DT_DEBUG, 0)) - return FALSE; - } - - if (htab->elf.srelplt->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 (!add_dynamic_entry (DT_RELA, 0) - || !add_dynamic_entry (DT_RELASZ, 0) - || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab))) - 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->elf, readonly_dynrelocs, info); - - if (info->flags & DF_TEXTREL) - { - if (!add_dynamic_entry (DT_TEXTREL, 0)) - return FALSE; - } - } -#undef add_dynamic_entry - - return TRUE; -} - -/* Return the base VMA address which should be subtracted from real addresses - when resolving @dtpoff relocation. - This is PT_TLS segment p_vaddr. */ - -static bfd_vma -dtpoff_base (struct bfd_link_info *info) -{ - /* If tls_sec is NULL, we should have signalled an error already. */ - if (elf_hash_table (info)->tls_sec == NULL) - return 0; - return elf_hash_table (info)->tls_sec->vma; -} - -/* Return the relocation value for @tpoff relocation. */ - -static bfd_vma -tpoff (struct bfd_link_info *info, bfd_vma address) -{ - struct elf_link_hash_table *htab = elf_hash_table (info); - - /* If tls_sec is NULL, we should have signalled an error already. */ - if (htab->tls_sec == NULL) - return 0; - - return (address - htab->tls_sec->vma); -} - -/* Copy SIZE bits from FROM to TO at address ADDR. */ - -static void -tilegx_copy_bits (bfd_byte *addr, int from, int to, int size) -{ - int i; - for (i = 0; i < size; i++) - { - int from_byte = (from + i) / 8; - int from_bit = (from + i) % 8; - int to_byte = (to + i) / 8; - int to_bit = (to + i) % 8; - bfd_byte to_mask = 1 << to_bit; - addr[to_byte] = (addr[to_byte] & ~to_mask) - | ((addr[from_byte] >> from_bit << to_bit) & to_mask); - } -} - -/* Replace the MASK bits in ADDR with those in INSN, for the next - TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */ - -static void -tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask, - const bfd_byte *insn) -{ - int i; - for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++) - { - addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]); - } -} - -/* Mask to extract the bits corresponding to an instruction in a - specific pipe of a bundle. */ -static const bfd_byte insn_mask_X1[] = { - 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f -}; - -/* Mask to extract the bits corresponding to an instruction in a - specific pipe of a bundle, minus the destination operand and the - first source operand. */ -static const bfd_byte insn_mask_X0_no_dest_no_srca[] = { - 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00 -}; - -static const bfd_byte insn_mask_X1_no_dest_no_srca[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f -}; - -static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = { - 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00 -}; -static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c -}; - -/* Mask to extract the bits corresponding to an instruction in a - specific pipe of a bundle, minus the register operands. */ -static const bfd_byte insn_mask_X0_no_operand[] = { - 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00 -}; - -static const bfd_byte insn_mask_X1_no_operand[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f -}; - -static const bfd_byte insn_mask_Y0_no_operand[] = { - 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00 -}; - -static const bfd_byte insn_mask_Y1_no_operand[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c -}; - -/* Various instructions synthesized to support tls references. */ - -/* ld r0, r0 in the X1 pipe, used for tls ie. */ -static const bfd_byte insn_tls_ie_ld_X1[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28 -}; - -/* ld4s r0, r0 in the X1 pipe, used for tls ie. */ -static const bfd_byte insn_tls_ie_ld4s_X1[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28 -}; - -/* add r0, r0, tp in various pipes, used for tls ie. */ -static const bfd_byte insn_tls_ie_add_X0X1[] = { - 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28 -}; -static const bfd_byte insn_tls_ie_add_Y0Y1[] = { - 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a -}; - -/* addx r0, r0, tp in various pipes, used for tls ie. */ -static const bfd_byte insn_tls_ie_addx_X0X1[] = { - 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28 -}; -static const bfd_byte insn_tls_ie_addx_Y0Y1[] = { - 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a -}; - -/* move r0, r0 in various pipes, used for tls gd. */ -static const bfd_byte insn_tls_gd_add_X0X1[] = { - 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28 -}; -static const bfd_byte insn_tls_gd_add_Y0Y1[] = { - 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae -}; - -static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1; -static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1; - -static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1; -static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1; - -static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1; -static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1; - -/* Relocate an TILEGX 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. - - This function is responsible for adjusting the section contents as - necessary, and (if 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. */ - -bfd_boolean -tilegx_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) -{ - struct tilegx_elf_link_hash_table *htab; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - bfd_vma got_base; - asection *sreloc; - Elf_Internal_Rela *rel; - Elf_Internal_Rela *relend; - int num_relocs; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - symtab_hdr = &elf_symtab_hdr (input_bfd); - sym_hashes = elf_sym_hashes (input_bfd); - local_got_offsets = elf_local_got_offsets (input_bfd); - - if (elf_hash_table (info)->hgot == NULL) - got_base = 0; - else - got_base = elf_hash_table (info)->hgot->root.u.def.value; - - sreloc = elf_section_data (input_section)->sreloc; - - rel = relocs; - num_relocs = input_section->reloc_count; - relend = relocs + num_relocs; - for (; rel < relend; rel++) - { - int r_type, tls_type; - bfd_boolean is_tls_iele, is_tls_le; - reloc_howto_type *howto; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; - tilegx_create_func create_func; - asection *sec; - bfd_vma relocation; - bfd_reloc_status_type r; - const char *name; - bfd_vma off; - bfd_boolean is_plt = FALSE; - - bfd_boolean unresolved_reloc; - - r_type = TILEGX_ELF_R_TYPE (rel->r_info); - if (r_type == R_TILEGX_GNU_VTINHERIT - || r_type == R_TILEGX_GNU_VTENTRY) - continue; - - if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table)) - { - /* Not clear if we need to check here, but just be paranoid. */ - (*_bfd_error_handler) - (_("%B: unrecognized relocation (0x%x) in section `%A'"), - input_bfd, r_type, input_section); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - howto = tilegx_elf_howto_table + r_type; - - /* This is a final link. */ - r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info); - h = NULL; - sym = NULL; - sec = NULL; - unresolved_reloc = FALSE; - 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); - } - else - { - bfd_boolean warned; - - RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, - r_symndx, symtab_hdr, sym_hashes, - h, sec, relocation, - unresolved_reloc, warned); - if (warned) - { - /* To avoid generating warning messages about truncated - relocations, set the relocation's address to be the same as - the start of this section. */ - if (input_section->output_section != NULL) - relocation = input_section->output_section->vma; - else - relocation = 0; - } - } - - if (sec != NULL && discarded_section (sec)) - RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, - rel, 1, relend, howto, 0, contents); - - if (info->relocatable) - continue; - - if (h != NULL) - name = h->root.root.string; - else - { - name = (bfd_elf_string_from_elf_section - (input_bfd, symtab_hdr->sh_link, sym->st_name)); - if (name == NULL || *name == '\0') - name = bfd_section_name (input_bfd, sec); - } - - switch (r_type) - { - case R_TILEGX_TLS_GD_CALL: - case R_TILEGX_IMM8_X0_TLS_GD_ADD: - case R_TILEGX_IMM8_Y0_TLS_GD_ADD: - case R_TILEGX_IMM8_X1_TLS_GD_ADD: - case R_TILEGX_IMM8_Y1_TLS_GD_ADD: - case R_TILEGX_IMM8_X0_TLS_ADD: - case R_TILEGX_IMM8_Y0_TLS_ADD: - case R_TILEGX_IMM8_X1_TLS_ADD: - case R_TILEGX_IMM8_Y1_TLS_ADD: - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = - _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - tls_type = tilegx_elf_hash_entry(h)->tls_type; - - is_tls_iele = (! info->shared || tls_type == GOT_TLS_IE); - is_tls_le = is_tls_iele && (!input_section->sec_flg0 - && !info->shared - && (h == NULL || h->dynindx == -1)); - - if (r_type == R_TILEGX_TLS_GD_CALL) - { - if (is_tls_le) - { - /* GD -> LE */ - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1, insn_move_X0X1); - continue; - } - else if (is_tls_iele) - { - /* GD -> IE */ - if (ABI_64_P (output_bfd)) - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1, insn_tls_ie_ld_X1); - else - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1, insn_tls_ie_ld4s_X1); - continue; - } - - /* GD -> GD */ - h = (struct elf_link_hash_entry *) - bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, - FALSE, TRUE); - BFD_ASSERT (h != NULL); - r_type = R_TILEGX_JUMPOFF_X1_PLT; - howto = tilegx_elf_howto_table + r_type; - } - else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD - || r_type == R_TILEGX_IMM8_X1_TLS_ADD - || r_type == R_TILEGX_IMM8_Y0_TLS_ADD - || r_type == R_TILEGX_IMM8_Y1_TLS_ADD) - { - bfd_boolean is_pipe0 = - (r_type == R_TILEGX_IMM8_X0_TLS_ADD - || r_type == R_TILEGX_IMM8_Y0_TLS_ADD); - bfd_boolean is_X0X1 = - (r_type == R_TILEGX_IMM8_X0_TLS_ADD - || r_type == R_TILEGX_IMM8_X1_TLS_ADD); - int dest_begin = is_pipe0 ? 0 : 31; - int src_begin; - const bfd_byte *insn; - const bfd_byte *mask = NULL; - - if (is_tls_le) - { - /* 1. copy dest operand into the first source operand. - 2. change the opcode to "move". */ - src_begin = is_pipe0 ? 6 : 37; - insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1; - - switch (r_type) - { - case R_TILEGX_IMM8_X0_TLS_ADD: - mask = insn_mask_X0_no_dest_no_srca; - break; - case R_TILEGX_IMM8_X1_TLS_ADD: - mask = insn_mask_X1_no_dest_no_srca; - break; - case R_TILEGX_IMM8_Y0_TLS_ADD: - mask = insn_mask_Y0_no_dest_no_srca; - break; - case R_TILEGX_IMM8_Y1_TLS_ADD: - mask = insn_mask_Y1_no_dest_no_srca; - break; - } - } - else - { - /* 1. copy dest operand into the second source operand. - 2. change the opcode to "add". */ - src_begin = is_pipe0 ? 12 : 43; - if (ABI_64_P (output_bfd)) - insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1; - else - insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1; - - switch (r_type) - { - case R_TILEGX_IMM8_X0_TLS_ADD: - mask = insn_mask_X0_no_operand; - break; - case R_TILEGX_IMM8_X1_TLS_ADD: - mask = insn_mask_X1_no_operand; - break; - case R_TILEGX_IMM8_Y0_TLS_ADD: - mask = insn_mask_Y0_no_operand; - break; - case R_TILEGX_IMM8_Y1_TLS_ADD: - mask = insn_mask_Y1_no_operand; - break; - } - } - - tilegx_copy_bits (contents + rel->r_offset, dest_begin, - src_begin, 6); - tilegx_replace_insn (contents + rel->r_offset, mask, insn); - - continue; - } - else - { - const bfd_byte *mask = NULL; - const bfd_byte *add_insn = NULL; - bfd_boolean is_64bit = ABI_64_P (output_bfd); - - switch (r_type) - { - case R_TILEGX_IMM8_X0_TLS_GD_ADD: - add_insn = is_tls_iele - ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1) - : insn_tls_gd_add_X0X1; - mask = insn_mask_X0_no_dest_no_srca; - break; - case R_TILEGX_IMM8_X1_TLS_GD_ADD: - add_insn = is_tls_iele - ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1) - : insn_tls_gd_add_X0X1; - mask = insn_mask_X1_no_dest_no_srca; - break; - case R_TILEGX_IMM8_Y0_TLS_GD_ADD: - add_insn = is_tls_iele - ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1) - : insn_tls_gd_add_Y0Y1; - mask = insn_mask_Y0_no_dest_no_srca; - break; - case R_TILEGX_IMM8_Y1_TLS_GD_ADD: - add_insn = is_tls_iele - ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1) - : insn_tls_gd_add_Y0Y1; - mask = insn_mask_Y1_no_dest_no_srca; - break; - } - - tilegx_replace_insn (contents + rel->r_offset, mask, add_insn); - - continue; - } - break; - case R_TILEGX_TLS_IE_LOAD: - if (!input_section->sec_flg0 - && !info->shared - && (h == NULL || h->dynindx == -1)) - { - /* IE -> LE */ - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1_no_dest_no_srca, - insn_move_X0X1); - } - else - { - /* IE -> IE */ - if (ABI_64_P (output_bfd)) - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1_no_dest_no_srca, - insn_tls_ie_ld_X1); - else - tilegx_replace_insn (contents + rel->r_offset, - insn_mask_X1_no_dest_no_srca, - insn_tls_ie_ld4s_X1); - } - continue; - break; - default: - break; - } - - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_GOT: - case R_TILEGX_IMM16_X1_HW0_GOT: - case R_TILEGX_IMM16_X0_HW0_LAST_GOT: - case R_TILEGX_IMM16_X1_HW0_LAST_GOT: - case R_TILEGX_IMM16_X0_HW1_LAST_GOT: - case R_TILEGX_IMM16_X1_HW1_LAST_GOT: - /* Relocation is to the entry for this symbol in the global - offset table. */ - if (htab->elf.sgot == NULL) - abort (); - - if (h != NULL) - { - bfd_boolean dyn; - - off = h->got.offset; - BFD_ASSERT (off != (bfd_vma) -1); - dyn = elf_hash_table (info)->dynamic_sections_created; - - if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) - || (info->shared - && 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 8 for 64-bit, 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 - { - TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation, - htab->elf.sgot->contents + off); - h->got.offset |= 1; - } - } - else - unresolved_reloc = FALSE; - } - else - { - BFD_ASSERT (local_got_offsets != NULL - && local_got_offsets[r_symndx] != (bfd_vma) -1); - - off = local_got_offsets[r_symndx]; - - /* The offset must always be a multiple of 8 on 64-bit. - We use the least significant bit to record - whether we have already processed this entry. */ - if ((off & 1) != 0) - off &= ~1; - else - { - if (info->shared) - { - asection *s; - Elf_Internal_Rela outrel; - - /* We need to generate a R_TILEGX_RELATIVE reloc - for the dynamic linker. */ - s = htab->elf.srelgot; - BFD_ASSERT (s != NULL); - - outrel.r_offset = (htab->elf.sgot->output_section->vma - + htab->elf.sgot->output_offset - + off); - outrel.r_info = - TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE); - outrel.r_addend = relocation; - relocation = 0; - tilegx_elf_append_rela (output_bfd, s, &outrel); - } - - TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation, - htab->elf.sgot->contents + off); - local_got_offsets[r_symndx] |= 1; - } - } - relocation = off - got_base; - break; - - case R_TILEGX_JUMPOFF_X1_PLT: - case R_TILEGX_IMM16_X0_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW3_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL: - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - BFD_ASSERT (h != NULL); - - if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } - - relocation = (htab->elf.splt->output_section->vma - + htab->elf.splt->output_offset - + h->plt.offset); - unresolved_reloc = FALSE; - break; - - case R_TILEGX_64_PCREL: - case R_TILEGX_32_PCREL: - case R_TILEGX_16_PCREL: - case R_TILEGX_8_PCREL: - case R_TILEGX_IMM16_X0_HW0_PCREL: - case R_TILEGX_IMM16_X1_HW0_PCREL: - case R_TILEGX_IMM16_X0_HW1_PCREL: - case R_TILEGX_IMM16_X1_HW1_PCREL: - case R_TILEGX_IMM16_X0_HW2_PCREL: - case R_TILEGX_IMM16_X1_HW2_PCREL: - case R_TILEGX_IMM16_X0_HW3_PCREL: - case R_TILEGX_IMM16_X1_HW3_PCREL: - case R_TILEGX_IMM16_X0_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW0_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW1_LAST_PCREL: - case R_TILEGX_IMM16_X0_HW2_LAST_PCREL: - case R_TILEGX_IMM16_X1_HW2_LAST_PCREL: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* Fall through. */ - case R_TILEGX_64: - case R_TILEGX_32: - case R_TILEGX_16: - case R_TILEGX_8: - case R_TILEGX_HW0: - case R_TILEGX_HW1: - case R_TILEGX_HW2: - case R_TILEGX_HW3: - case R_TILEGX_HW0_LAST: - case R_TILEGX_HW1_LAST: - case R_TILEGX_HW2_LAST: - case R_TILEGX_COPY: - case R_TILEGX_GLOB_DAT: - case R_TILEGX_JMP_SLOT: - case R_TILEGX_RELATIVE: - case R_TILEGX_BROFF_X1: - case R_TILEGX_JUMPOFF_X1: - case R_TILEGX_IMM8_X0: - case R_TILEGX_IMM8_Y0: - case R_TILEGX_IMM8_X1: - case R_TILEGX_IMM8_Y1: - case R_TILEGX_DEST_IMM8_X1: - case R_TILEGX_MT_IMM14_X1: - case R_TILEGX_MF_IMM14_X1: - case R_TILEGX_MMSTART_X0: - case R_TILEGX_MMEND_X0: - case R_TILEGX_SHAMT_X0: - case R_TILEGX_SHAMT_X1: - case R_TILEGX_SHAMT_Y0: - case R_TILEGX_SHAMT_Y1: - case R_TILEGX_IMM16_X0_HW0: - case R_TILEGX_IMM16_X1_HW0: - case R_TILEGX_IMM16_X0_HW1: - case R_TILEGX_IMM16_X1_HW1: - case R_TILEGX_IMM16_X0_HW2: - case R_TILEGX_IMM16_X1_HW2: - case R_TILEGX_IMM16_X0_HW3: - case R_TILEGX_IMM16_X1_HW3: - case R_TILEGX_IMM16_X0_HW0_LAST: - case R_TILEGX_IMM16_X1_HW0_LAST: - case R_TILEGX_IMM16_X0_HW1_LAST: - case R_TILEGX_IMM16_X1_HW1_LAST: - case R_TILEGX_IMM16_X0_HW2_LAST: - case R_TILEGX_IMM16_X1_HW2_LAST: - if ((input_section->flags & SEC_ALLOC) == 0) - break; - - if ((info->shared - && (h == NULL - || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT - || h->root.type != bfd_link_hash_undefweak) - && (! howto->pc_relative - || !SYMBOL_CALLS_LOCAL (info, h))) - || (!info->shared - && 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_boolean skip, relocate = FALSE; - - /* 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, relocate = TRUE; - outrel.r_offset += (input_section->output_section->vma - + input_section->output_offset); - - switch (r_type) - { - case R_TILEGX_64_PCREL: - case R_TILEGX_32_PCREL: - case R_TILEGX_16_PCREL: - case R_TILEGX_8_PCREL: - /* If the symbol is not dynamic, we should not keep - a dynamic relocation. But an .rela.* slot has been - allocated for it, output R_TILEGX_NONE. - FIXME: Add code tracking needed dynamic relocs as - e.g. i386 has. */ - if (h->dynindx == -1) - skip = TRUE, relocate = TRUE; - break; - } - - if (skip) - memset (&outrel, 0, sizeof outrel); - /* h->dynindx may be -1 if the symbol was marked to - become local. */ - else if (h != NULL && - h->dynindx != -1 - && (! is_plt - || !info->shared - || !SYMBOLIC_BIND (info, h) - || !h->def_regular)) - { - BFD_ASSERT (h->dynindx != -1); - outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type); - outrel.r_addend = rel->r_addend; - } - else - { - if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64) - { - outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, - R_TILEGX_RELATIVE); - outrel.r_addend = relocation + rel->r_addend; - } - else - { - long indx; - - outrel.r_addend = relocation + rel->r_addend; - - if (is_plt) - sec = htab->elf.splt; - - if (bfd_is_abs_section (sec)) - indx = 0; - else if (sec == NULL || sec->owner == NULL) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - else - { - asection *osec; - - /* We are turning this relocation into one - against a section symbol. It would be - proper to subtract the symbol's value, - osec->vma, from the emitted reloc addend, - but ld.so expects buggy relocs. */ - osec = sec->output_section; - indx = elf_section_data (osec)->dynindx; - - if (indx == 0) - { - osec = htab->elf.text_index_section; - indx = elf_section_data (osec)->dynindx; - } - - /* FIXME: we really should be able to link non-pic - shared libraries. */ - if (indx == 0) - { - BFD_FAIL (); - (*_bfd_error_handler) - (_("%B: probably compiled without -fPIC?"), - input_bfd); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - } - - outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx, - r_type); - } - } - - tilegx_elf_append_rela (output_bfd, sreloc, &outrel); - - /* This reloc will be computed at runtime, so there's no - need to do anything now. */ - if (! relocate) - continue; - } - break; - - case R_TILEGX_IMM16_X0_HW0_TLS_LE: - case R_TILEGX_IMM16_X1_HW0_TLS_LE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE: - if (info->shared) - { - Elf_Internal_Rela outrel; - bfd_boolean skip; - - 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); - else - { - outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type); - outrel.r_addend = relocation - dtpoff_base (info) - + rel->r_addend; - } - - tilegx_elf_append_rela (output_bfd, sreloc, &outrel); - continue; - } - relocation = tpoff (info, relocation); - break; - - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - r_type = tilegx_elf_tls_transition (info, r_type, h == NULL, - input_section->sec_flg0); - tls_type = GOT_UNKNOWN; - if (h == NULL && local_got_offsets) - tls_type = - _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx]; - else if (h != NULL) - { - tls_type = tilegx_elf_hash_entry(h)->tls_type; - if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE) - r_type = (!input_section->sec_flg0 - ? tilegx_tls_translate_to_le (r_type) - : tilegx_tls_translate_to_ie (r_type)); - } - - if (tls_type == GOT_TLS_IE) - r_type = tilegx_tls_translate_to_ie (r_type); - - if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE - || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE - || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE - || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE - || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE - || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE) - { - relocation = tpoff (info, relocation); - break; - } - - if (h != NULL) - { - off = h->got.offset; - h->got.offset |= 1; - } - else - { - BFD_ASSERT (local_got_offsets != NULL); - off = local_got_offsets[r_symndx]; - local_got_offsets[r_symndx] |= 1; - } - - if (htab->elf.sgot == NULL) - abort (); - - if ((off & 1) != 0) - off &= ~1; - else - { - Elf_Internal_Rela outrel; - int indx = 0; - bfd_boolean need_relocs = FALSE; - - if (htab->elf.srelgot == NULL) - abort (); - - if (h != NULL) - { - bfd_boolean dyn; - dyn = htab->elf.dynamic_sections_created; - - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) - && (!info->shared - || !SYMBOL_REFERENCES_LOCAL (info, h))) - { - indx = h->dynindx; - } - } - - /* The GOT entries have not been initialized yet. Do it - now, and emit any relocations. */ - if ((info->shared || indx != 0) - && (h == NULL - || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT - || h->root.type != bfd_link_hash_undefweak)) - need_relocs = TRUE; - - switch (r_type) - { - case R_TILEGX_IMM16_X0_HW0_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_TLS_IE: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE: - if (need_relocs) { - TILEGX_ELF_PUT_WORD (htab, output_bfd, 0, - htab->elf.sgot->contents + off); - outrel.r_offset = (htab->elf.sgot->output_section->vma - + htab->elf.sgot->output_offset + off); - outrel.r_addend = 0; - if (indx == 0) - outrel.r_addend = relocation - dtpoff_base (info); - outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx, - TILEGX_ELF_TPOFF_RELOC (htab)); - tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); - } else { - TILEGX_ELF_PUT_WORD (htab, output_bfd, - tpoff (info, relocation), - htab->elf.sgot->contents + off); - } - break; - - case R_TILEGX_IMM16_X0_HW0_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_TLS_GD: - case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD: - case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD: - case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD: - if (need_relocs) { - outrel.r_offset = (htab->elf.sgot->output_section->vma - + htab->elf.sgot->output_offset + off); - outrel.r_addend = 0; - outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx, - TILEGX_ELF_DTPMOD_RELOC (htab)); - TILEGX_ELF_PUT_WORD (htab, output_bfd, 0, - htab->elf.sgot->contents + off); - tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); - if (indx == 0) - { - BFD_ASSERT (! unresolved_reloc); - TILEGX_ELF_PUT_WORD (htab, output_bfd, - relocation - dtpoff_base (info), - (htab->elf.sgot->contents + off + - TILEGX_ELF_WORD_BYTES (htab))); - } - else - { - TILEGX_ELF_PUT_WORD (htab, output_bfd, 0, - (htab->elf.sgot->contents + off + - TILEGX_ELF_WORD_BYTES (htab))); - outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx, - TILEGX_ELF_DTPOFF_RELOC (htab)); - outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab); - tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel); - } - } - - else { - /* If we are not emitting relocations for a - general dynamic reference, then we must be in a - static link or an executable link with the - symbol binding locally. Mark it as belonging - to module 1, the executable. */ - TILEGX_ELF_PUT_WORD (htab, output_bfd, 1, - htab->elf.sgot->contents + off ); - TILEGX_ELF_PUT_WORD (htab, output_bfd, - relocation - dtpoff_base (info), - htab->elf.sgot->contents + off + - TILEGX_ELF_WORD_BYTES (htab)); - } - break; - } - } - - if (off >= (bfd_vma) -2) - abort (); - - relocation = off - got_base; - unresolved_reloc = FALSE; - howto = tilegx_elf_howto_table + r_type; - break; - - default: - break; - } - - /* Dynamic relocs are not propagated for SEC_DEBUGGING sections - because such sections are not SEC_ALLOC and thus ld.so will - not process them. */ - if (unresolved_reloc - && !((input_section->flags & SEC_DEBUGGING) != 0 - && h->def_dynamic) - && _bfd_elf_section_offset (output_bfd, info, input_section, - rel->r_offset) != (bfd_vma) -1) - (*_bfd_error_handler) - (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), - input_bfd, - input_section, - (long) rel->r_offset, - howto->name, - h->root.root.string); - - r = bfd_reloc_continue; - - /* Get the operand creation function, if any. */ - create_func = reloc_to_create_func[r_type]; - if (create_func == NULL) - { - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, rel->r_addend); - } - else - { - if (howto->pc_relative) - { - relocation -= - input_section->output_section->vma + input_section->output_offset; - if (howto->pcrel_offset) - relocation -= rel->r_offset; - } - - bfd_byte *data; - - /* Add the relocation addend if any to the final target value */ - relocation += rel->r_addend; - - /* Do basic range checking */ - r = bfd_check_overflow (howto->complain_on_overflow, - howto->bitsize, - howto->rightshift, - TILEGX_ELF_WORD_BYTES (htab) * 8, - relocation); - - /* - * Write the relocated value out into the raw section data. - * Don't put a relocation out in the .rela section. - */ - tilegx_bundle_bits mask = create_func(-1); - tilegx_bundle_bits value = create_func(relocation >> howto->rightshift); - - /* Only touch bytes while the mask is not 0, so we - don't write to out of bounds memory if this is actually - a 16-bit switch instruction. */ - for (data = contents + rel->r_offset; mask != 0; data++) - { - bfd_byte byte_mask = (bfd_byte)mask; - *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask); - mask >>= 8; - value >>= 8; - } - } - - 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; -} - -/* Finish up dynamic symbol handling. We set the contents of various - dynamic sections here. */ - -bfd_boolean -tilegx_elf_finish_dynamic_symbol (bfd *output_bfd, - struct bfd_link_info *info, - struct elf_link_hash_entry *h, - Elf_Internal_Sym *sym) -{ - struct tilegx_elf_link_hash_table *htab; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - - if (h->plt.offset != (bfd_vma) -1) - { - asection *splt; - asection *srela; - asection *sgotplt; - Elf_Internal_Rela rela; - bfd_byte *loc; - bfd_vma r_offset; - const struct elf_backend_data *bed = get_elf_backend_data (output_bfd); - - - int rela_index; - - /* This symbol has an entry in the PLT. Set it up. */ - - BFD_ASSERT (h->dynindx != -1); - - splt = htab->elf.splt; - srela = htab->elf.srelplt; - sgotplt = htab->elf.sgotplt; - - if (splt == NULL || srela == NULL) - abort (); - - /* Fill in the entry in the procedure linkage table. */ - rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt, - h->plt.offset, &r_offset); - - /* Fill in the entry in the global offset table, which initially points - to the beginning of the plt. */ - TILEGX_ELF_PUT_WORD (htab, output_bfd, - splt->output_section->vma + splt->output_offset, - sgotplt->contents + r_offset); - - /* Fill in the entry in the .rela.plt section. */ - rela.r_offset = (sgotplt->output_section->vma - + sgotplt->output_offset - + r_offset); - rela.r_addend = 0; - rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT); - - loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab); - bed->s->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 the symbol is weak, we do need to clear the value. - Otherwise, the PLT entry would provide a definition for - the symbol even if the symbol wasn't defined anywhere, - and so the symbol would never be NULL. */ - if (!h->ref_regular_nonweak) - sym->st_value = 0; - } - } - - if (h->got.offset != (bfd_vma) -1 - && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD - && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE) - { - asection *sgot; - asection *srela; - Elf_Internal_Rela rela; - - /* This symbol has an entry in the GOT. Set it up. */ - - sgot = htab->elf.sgot; - srela = htab->elf.srelgot; - BFD_ASSERT (sgot != NULL && srela != NULL); - - rela.r_offset = (sgot->output_section->vma - + sgot->output_offset - + (h->got.offset &~ (bfd_vma) 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 (info->shared - && (info->symbolic || h->dynindx == -1) - && h->def_regular) - { - asection *sec = h->root.u.def.section; - rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE); - rela.r_addend = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else - { - rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT); - rela.r_addend = 0; - } - - TILEGX_ELF_PUT_WORD (htab, output_bfd, 0, - sgot->contents + (h->got.offset & ~(bfd_vma) 1)); - tilegx_elf_append_rela (output_bfd, srela, &rela); - } - - if (h->needs_copy) - { - asection *s; - Elf_Internal_Rela rela; - - /* This symbols needs a copy reloc. Set it up. */ - BFD_ASSERT (h->dynindx != -1); - - s = htab->srelbss; - 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 = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY); - rela.r_addend = 0; - tilegx_elf_append_rela (output_bfd, s, &rela); - } - - /* Mark some specially defined symbols as absolute. */ - if (h == htab->elf.hdynamic - || (h == htab->elf.hgot || h == htab->elf.hplt)) - sym->st_shndx = SHN_ABS; - - return TRUE; -} - -/* Finish up the dynamic sections. */ - -static bfd_boolean -tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, - bfd *dynobj, asection *sdyn, - asection *splt ATTRIBUTE_UNUSED) -{ - struct tilegx_elf_link_hash_table *htab; - const struct elf_backend_data *bed; - bfd_byte *dyncon, *dynconend; - size_t dynsize; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - bed = get_elf_backend_data (output_bfd); - dynsize = bed->s->sizeof_dyn; - dynconend = sdyn->contents + sdyn->size; - - for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize) - { - Elf_Internal_Dyn dyn; - asection *s; - - bed->s->swap_dyn_in (dynobj, dyncon, &dyn); - - switch (dyn.d_tag) - { - case DT_PLTGOT: - s = htab->elf.sgotplt; - dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; - break; - case DT_JMPREL: - s = htab->elf.srelplt; - dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; - break; - case DT_PLTRELSZ: - s = htab->elf.srelplt; - dyn.d_un.d_val = s->size; - break; - default: - continue; - } - - bed->s->swap_dyn_out (output_bfd, &dyn, dyncon); - } - return TRUE; -} - -bfd_boolean -tilegx_elf_finish_dynamic_sections (bfd *output_bfd, - struct bfd_link_info *info) -{ - bfd *dynobj; - asection *sdyn; - struct tilegx_elf_link_hash_table *htab; - size_t pad_size; - - htab = tilegx_elf_hash_table (info); - BFD_ASSERT (htab != NULL); - dynobj = htab->elf.dynobj; - - sdyn = bfd_get_linker_section (dynobj, ".dynamic"); - - if (elf_hash_table (info)->dynamic_sections_created) - { - asection *splt; - bfd_boolean ret; - - splt = htab->elf.splt; - BFD_ASSERT (splt != NULL && sdyn != NULL); - - ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt); - - if (ret != TRUE) - return ret; - - /* Fill in the head and tail entries in the procedure linkage table. */ - if (splt->size > 0) - { - memcpy (splt->contents, - ABI_64_P (output_bfd) ? - tilegx64_plt0_entry : tilegx32_plt0_entry, - PLT_HEADER_SIZE); - - memcpy (splt->contents + splt->size - - PLT_ENTRY_SIZE + PLT_HEADER_SIZE, - ABI_64_P (output_bfd) ? - tilegx64_plt_tail_entry : tilegx32_plt_tail_entry, - PLT_TAIL_SIZE); - /* Add padding so that the plt section is a multiple of its - entry size. */ - pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE; - memset (splt->contents + splt->size - pad_size, 0, pad_size); - } - - elf_section_data (splt->output_section)->this_hdr.sh_entsize - = PLT_ENTRY_SIZE; - } - - if (htab->elf.sgotplt) - { - if (bfd_is_abs_section (htab->elf.sgotplt->output_section)) - { - (*_bfd_error_handler) - (_("discarded output section: `%A'"), htab->elf.sgotplt); - return FALSE; - } - - if (htab->elf.sgotplt->size > 0) - { - /* Write the first two entries in .got.plt, needed for the dynamic - linker. */ - TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1, - htab->elf.sgotplt->contents); - TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0, - htab->elf.sgotplt->contents - + GOT_ENTRY_SIZE (htab)); - } - - elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize = - GOT_ENTRY_SIZE (htab); - } - - if (htab->elf.sgot) - { - if (htab->elf.sgot->size > 0) - { - /* Set the first entry in the global offset table to the address of - the dynamic section. */ - bfd_vma val = (sdyn ? - sdyn->output_section->vma + sdyn->output_offset : - 0); - TILEGX_ELF_PUT_WORD (htab, output_bfd, val, - htab->elf.sgot->contents); - } - - elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = - GOT_ENTRY_SIZE (htab); - } - - return TRUE; -} - - - -/* Return address for Ith PLT stub in section PLT, for relocation REL - or (bfd_vma) -1 if it should not be included. */ - -bfd_vma -tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt, - const arelent *rel ATTRIBUTE_UNUSED) -{ - return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE; -} - -enum elf_reloc_type_class -tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, - const asection *rel_sec ATTRIBUTE_UNUSED, - const Elf_Internal_Rela *rela) -{ - switch ((int) TILEGX_ELF_R_TYPE (rela->r_info)) - { - case R_TILEGX_RELATIVE: - return reloc_class_relative; - case R_TILEGX_JMP_SLOT: - return reloc_class_plt; - case R_TILEGX_COPY: - return reloc_class_copy; - default: - return reloc_class_normal; - } -} - -int -tilegx_additional_program_headers (bfd *abfd, - struct bfd_link_info *info ATTRIBUTE_UNUSED) -{ - /* Each .intrpt section specified by the user adds another PT_LOAD - header since the sections are discontiguous. */ - static const char intrpt_sections[4][9] = - { - ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3" - }; - int count = 0; - int i; - - for (i = 0; i < 4; i++) - { - asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]); - if (sec != NULL && (sec->flags & SEC_LOAD) != 0) - ++count; - } - - /* Add four "padding" headers in to leave room in case a custom linker - script does something fancy. Otherwise ld complains that it ran - out of program headers and refuses to link. */ - count += 4; - - return count; -} - - -bfd_boolean -_bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd) -{ - const char *targ1 = bfd_get_target (ibfd); - const char *targ2 = bfd_get_target (obfd); - - if (strcmp (targ1, targ2) != 0) - { - (*_bfd_error_handler) - (_("%B: Cannot link together %s and %s objects."), - ibfd, targ1, targ2); - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - return TRUE; -} |