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jeremybenn |
/* SuperH SH64-specific support for 64-bit ELF
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
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2010 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#define SH64_ELF64
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf/sh.h"
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/* Add a suffix for datalabel indirection symbols. It must not match any
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other symbols; user symbols with or without version or other
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decoration. It must only be used internally and not emitted by any
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means. */
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#define DATALABEL_SUFFIX " DL"
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#define GOT_BIAS (-((long)-32768))
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#define PLT_ENTRY_SIZE 64
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/* Return size of a PLT entry. */
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#define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE
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/* Return offset of the PLT0 address in an absolute PLT entry. */
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#define elf_sh64_plt_plt0_offset(info) 32
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/* Return offset of the linker in PLT0 entry. */
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#define elf_sh64_plt0_gotplt_offset(info) 0
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/* Return offset of the trampoline in PLT entry */
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#define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */
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/* Return offset of the symbol in PLT entry. */
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#define elf_sh64_plt_symbol_offset(info) 0
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/* Return offset of the relocation in PLT entry. */
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#define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44)
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
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/* The sh linker needs to keep track of the number of relocs that it
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decides to copy in check_relocs for each symbol. This is so that
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it can discard PC relative relocs if it doesn't need them when
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linking with -Bsymbolic. We store the information in a field
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extending the regular ELF linker hash table. */
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/* This structure keeps track of the number of PC relative relocs we
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have copied for a given symbol. */
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struct elf_sh64_pcrel_relocs_copied
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{
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/* Next section. */
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struct elf_sh64_pcrel_relocs_copied *next;
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/* A section in dynobj. */
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asection *section;
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/* Number of relocs copied in this section. */
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bfd_size_type count;
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};
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/* sh ELF linker hash entry. */
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struct elf_sh64_link_hash_entry
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{
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struct elf_link_hash_entry root;
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bfd_vma datalabel_got_offset;
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/* Number of PC relative relocs copied for this symbol. */
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struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied;
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};
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/* Traverse an sh ELF linker hash table. */
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#define sh64_elf64_link_hash_traverse(table, func, info) \
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(elf_link_hash_traverse \
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((table), \
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(bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
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(info)))
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static bfd_reloc_status_type sh_elf64_ignore_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type sh_elf64_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static reloc_howto_type sh_elf64_howto_table[] = {
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/* No relocation. */
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HOWTO (R_SH_NONE, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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sh_elf64_ignore_reloc, /* special_function */
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"R_SH_NONE", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 32 bit absolute relocation. Setting partial_inplace to TRUE and
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src_mask to a non-zero value is similar to the COFF toolchain. */
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HOWTO (R_SH_DIR32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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sh_elf64_reloc, /* special_function */
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"R_SH_DIR32", /* name */
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TRUE, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 32 bit PC relative relocation. */
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HOWTO (R_SH_REL32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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sh_elf64_ignore_reloc, /* special_function */
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"R_SH_REL32", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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/* For 32-bit sh, this is R_SH_DIR8WPN. */
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EMPTY_HOWTO (3),
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/* For 32-bit sh, this is R_SH_IND12W. */
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EMPTY_HOWTO (4),
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/* For 32-bit sh, this is R_SH_DIR8WPL. */
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EMPTY_HOWTO (5),
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/* For 32-bit sh, this is R_SH_DIR8WPZ. */
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EMPTY_HOWTO (6),
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/* For 32-bit sh, this is R_SH_DIR8BP. */
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EMPTY_HOWTO (7),
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/* For 32-bit sh, this is R_SH_DIR8W. */
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EMPTY_HOWTO (8),
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/* For 32-bit sh, this is R_SH_DIR8L. */
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EMPTY_HOWTO (9),
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EMPTY_HOWTO (10),
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EMPTY_HOWTO (11),
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EMPTY_HOWTO (12),
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EMPTY_HOWTO (13),
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EMPTY_HOWTO (14),
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EMPTY_HOWTO (15),
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EMPTY_HOWTO (16),
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EMPTY_HOWTO (17),
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EMPTY_HOWTO (18),
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EMPTY_HOWTO (19),
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EMPTY_HOWTO (20),
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EMPTY_HOWTO (21),
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EMPTY_HOWTO (22),
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EMPTY_HOWTO (23),
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EMPTY_HOWTO (24),
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/* The remaining relocs are a GNU extension used for relaxing. The
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final pass of the linker never needs to do anything with any of
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these relocs. Any required operations are handled by the
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relaxation code. */
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/* A 16 bit switch table entry. This is generated for an expression
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such as ``.word L1 - L2''. The offset holds the difference
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between the reloc address and L2. */
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HOWTO (R_SH_SWITCH16, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_unsigned, /* complain_on_overflow */
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sh_elf64_ignore_reloc, /* special_function */
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"R_SH_SWITCH16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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TRUE), /* pcrel_offset */
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/* A 32 bit switch table entry. This is generated for an expression
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such as ``.long L1 - L2''. The offset holds the difference
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between the reloc address and L2. */
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HOWTO (R_SH_SWITCH32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_unsigned, /* complain_on_overflow */
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sh_elf64_ignore_reloc, /* special_function */
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"R_SH_SWITCH32", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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TRUE), /* pcrel_offset */
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/* For 32-bit sh, this is R_SH_USES. */
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EMPTY_HOWTO (27),
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/* For 32-bit sh, this is R_SH_COUNT. */
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EMPTY_HOWTO (28),
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/* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation,
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this might be emitted. When linker relaxation is implemented, we
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might want to use it. */
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EMPTY_HOWTO (29),
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/* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation,
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this might be emitted. When linker relaxation is implemented, we
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might want to use it. */
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EMPTY_HOWTO (30),
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/* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation,
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this might be emitted. When linker relaxation is implemented, we
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might want to use it. */
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EMPTY_HOWTO (31),
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| 249 |
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/* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation,
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this might be emitted. When linker relaxation is implemented, we
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might want to use it. */
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EMPTY_HOWTO (32),
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| 254 |
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/* An 8 bit switch table entry. This is generated for an expression
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such as ``.word L1 - L2''. The offset holds the difference
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between the reloc address and L2. */
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| 257 |
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HOWTO (R_SH_SWITCH8, /* type */
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| 258 |
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0, /* rightshift */
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| 259 |
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_unsigned, /* complain_on_overflow */
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| 264 |
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sh_elf64_ignore_reloc, /* special_function */
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| 265 |
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"R_SH_SWITCH8", /* name */
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| 266 |
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FALSE, /* partial_inplace */
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| 267 |
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0, /* src_mask */
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| 268 |
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0, /* dst_mask */
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| 269 |
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TRUE), /* pcrel_offset */
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| 270 |
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| 271 |
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/* GNU extension to record C++ vtable hierarchy */
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| 272 |
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HOWTO (R_SH_GNU_VTINHERIT, /* type */
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| 273 |
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0, /* rightshift */
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| 274 |
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2, /* size (0 = byte, 1 = short, 2 = long) */
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| 275 |
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0, /* bitsize */
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| 276 |
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FALSE, /* pc_relative */
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| 277 |
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0, /* bitpos */
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| 278 |
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complain_overflow_dont, /* complain_on_overflow */
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| 279 |
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NULL, /* special_function */
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| 280 |
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"R_SH_GNU_VTINHERIT", /* name */
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| 281 |
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FALSE, /* partial_inplace */
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| 282 |
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0, /* src_mask */
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| 283 |
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0, /* dst_mask */
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| 284 |
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FALSE), /* pcrel_offset */
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| 285 |
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| 286 |
|
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/* GNU extension to record C++ vtable member usage */
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| 287 |
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HOWTO (R_SH_GNU_VTENTRY, /* type */
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| 288 |
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0, /* rightshift */
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| 289 |
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2, /* size (0 = byte, 1 = short, 2 = long) */
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| 290 |
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0, /* bitsize */
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| 291 |
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FALSE, /* pc_relative */
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| 292 |
|
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0, /* bitpos */
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| 293 |
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complain_overflow_dont, /* complain_on_overflow */
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| 294 |
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_bfd_elf_rel_vtable_reloc_fn, /* special_function */
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| 295 |
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"R_SH_GNU_VTENTRY", /* name */
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| 296 |
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FALSE, /* partial_inplace */
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| 297 |
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0, /* src_mask */
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| 298 |
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0, /* dst_mask */
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| 299 |
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FALSE), /* pcrel_offset */
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| 300 |
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| 301 |
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/* For 32-bit sh, this is R_SH_LOOP_START. */
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| 302 |
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EMPTY_HOWTO (36),
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| 303 |
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| 304 |
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/* For 32-bit sh, this is R_SH_LOOP_END. */
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| 305 |
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EMPTY_HOWTO (37),
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| 306 |
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| 307 |
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EMPTY_HOWTO (38),
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| 308 |
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EMPTY_HOWTO (39),
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| 309 |
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EMPTY_HOWTO (40),
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| 310 |
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EMPTY_HOWTO (41),
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| 311 |
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EMPTY_HOWTO (42),
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| 312 |
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EMPTY_HOWTO (43),
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| 313 |
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EMPTY_HOWTO (44),
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| 314 |
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| 315 |
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/* Used in SHLLI.L and SHLRI.L. */
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| 316 |
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HOWTO (R_SH_DIR5U, /* type */
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| 317 |
|
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0, /* rightshift */
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| 318 |
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2, /* size (0 = byte, 1 = short, 2 = long) */
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| 319 |
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5, /* bitsize */
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| 320 |
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FALSE, /* pc_relative */
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| 321 |
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10, /* bitpos */
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| 322 |
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complain_overflow_unsigned, /* complain_on_overflow */
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| 323 |
|
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bfd_elf_generic_reloc, /* special_function */
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| 324 |
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"R_SH_DIR5U", /* name */
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| 325 |
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FALSE, /* partial_inplace */
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| 326 |
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0, /* src_mask */
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| 327 |
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0xfc00, /* dst_mask */
|
| 328 |
|
|
FALSE), /* pcrel_offset */
|
| 329 |
|
|
|
| 330 |
|
|
/* Used in SHARI, SHLLI et al. */
|
| 331 |
|
|
HOWTO (R_SH_DIR6U, /* type */
|
| 332 |
|
|
0, /* rightshift */
|
| 333 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 334 |
|
|
6, /* bitsize */
|
| 335 |
|
|
FALSE, /* pc_relative */
|
| 336 |
|
|
10, /* bitpos */
|
| 337 |
|
|
complain_overflow_unsigned, /* complain_on_overflow */
|
| 338 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 339 |
|
|
"R_SH_DIR6U", /* name */
|
| 340 |
|
|
FALSE, /* partial_inplace */
|
| 341 |
|
|
0, /* src_mask */
|
| 342 |
|
|
0xfc00, /* dst_mask */
|
| 343 |
|
|
FALSE), /* pcrel_offset */
|
| 344 |
|
|
|
| 345 |
|
|
/* Used in BxxI, LDHI.L et al. */
|
| 346 |
|
|
HOWTO (R_SH_DIR6S, /* type */
|
| 347 |
|
|
0, /* rightshift */
|
| 348 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 349 |
|
|
6, /* bitsize */
|
| 350 |
|
|
FALSE, /* pc_relative */
|
| 351 |
|
|
10, /* bitpos */
|
| 352 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 353 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 354 |
|
|
"R_SH_DIR6S", /* name */
|
| 355 |
|
|
FALSE, /* partial_inplace */
|
| 356 |
|
|
0, /* src_mask */
|
| 357 |
|
|
0xfc00, /* dst_mask */
|
| 358 |
|
|
FALSE), /* pcrel_offset */
|
| 359 |
|
|
|
| 360 |
|
|
/* Used in ADDI, ANDI et al. */
|
| 361 |
|
|
HOWTO (R_SH_DIR10S, /* type */
|
| 362 |
|
|
0, /* rightshift */
|
| 363 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 364 |
|
|
10, /* bitsize */
|
| 365 |
|
|
FALSE, /* pc_relative */
|
| 366 |
|
|
10, /* bitpos */
|
| 367 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 368 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 369 |
|
|
"R_SH_DIR10S", /* name */
|
| 370 |
|
|
FALSE, /* partial_inplace */
|
| 371 |
|
|
0, /* src_mask */
|
| 372 |
|
|
0xffc00, /* dst_mask */
|
| 373 |
|
|
FALSE), /* pcrel_offset */
|
| 374 |
|
|
|
| 375 |
|
|
/* Used in LD.UW, ST.W et al. */
|
| 376 |
|
|
HOWTO (R_SH_DIR10SW, /* type */
|
| 377 |
|
|
1, /* rightshift */
|
| 378 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 379 |
|
|
11, /* bitsize */
|
| 380 |
|
|
FALSE, /* pc_relative */
|
| 381 |
|
|
10, /* bitpos */
|
| 382 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 383 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 384 |
|
|
"R_SH_DIR10SW", /* name */
|
| 385 |
|
|
FALSE, /* partial_inplace */
|
| 386 |
|
|
0, /* src_mask */
|
| 387 |
|
|
0xffc00, /* dst_mask */
|
| 388 |
|
|
FALSE), /* pcrel_offset */
|
| 389 |
|
|
|
| 390 |
|
|
/* Used in LD.L, FLD.S et al. */
|
| 391 |
|
|
HOWTO (R_SH_DIR10SL, /* type */
|
| 392 |
|
|
2, /* rightshift */
|
| 393 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 394 |
|
|
12, /* bitsize */
|
| 395 |
|
|
FALSE, /* pc_relative */
|
| 396 |
|
|
10, /* bitpos */
|
| 397 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 398 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 399 |
|
|
"R_SH_DIR10SL", /* name */
|
| 400 |
|
|
FALSE, /* partial_inplace */
|
| 401 |
|
|
0, /* src_mask */
|
| 402 |
|
|
0xffc00, /* dst_mask */
|
| 403 |
|
|
FALSE), /* pcrel_offset */
|
| 404 |
|
|
|
| 405 |
|
|
/* Used in FLD.D, FST.P et al. */
|
| 406 |
|
|
HOWTO (R_SH_DIR10SQ, /* type */
|
| 407 |
|
|
3, /* rightshift */
|
| 408 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 409 |
|
|
13, /* bitsize */
|
| 410 |
|
|
FALSE, /* pc_relative */
|
| 411 |
|
|
10, /* bitpos */
|
| 412 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 413 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 414 |
|
|
"R_SH_DIR10SQ", /* name */
|
| 415 |
|
|
FALSE, /* partial_inplace */
|
| 416 |
|
|
0, /* src_mask */
|
| 417 |
|
|
0xffc00, /* dst_mask */
|
| 418 |
|
|
FALSE), /* pcrel_offset */
|
| 419 |
|
|
|
| 420 |
|
|
EMPTY_HOWTO (52),
|
| 421 |
|
|
EMPTY_HOWTO (53),
|
| 422 |
|
|
EMPTY_HOWTO (54),
|
| 423 |
|
|
EMPTY_HOWTO (55),
|
| 424 |
|
|
EMPTY_HOWTO (56),
|
| 425 |
|
|
EMPTY_HOWTO (57),
|
| 426 |
|
|
EMPTY_HOWTO (58),
|
| 427 |
|
|
EMPTY_HOWTO (59),
|
| 428 |
|
|
EMPTY_HOWTO (60),
|
| 429 |
|
|
EMPTY_HOWTO (61),
|
| 430 |
|
|
EMPTY_HOWTO (62),
|
| 431 |
|
|
EMPTY_HOWTO (63),
|
| 432 |
|
|
EMPTY_HOWTO (64),
|
| 433 |
|
|
EMPTY_HOWTO (65),
|
| 434 |
|
|
EMPTY_HOWTO (66),
|
| 435 |
|
|
EMPTY_HOWTO (67),
|
| 436 |
|
|
EMPTY_HOWTO (68),
|
| 437 |
|
|
EMPTY_HOWTO (69),
|
| 438 |
|
|
EMPTY_HOWTO (70),
|
| 439 |
|
|
EMPTY_HOWTO (71),
|
| 440 |
|
|
EMPTY_HOWTO (72),
|
| 441 |
|
|
EMPTY_HOWTO (73),
|
| 442 |
|
|
EMPTY_HOWTO (74),
|
| 443 |
|
|
EMPTY_HOWTO (75),
|
| 444 |
|
|
EMPTY_HOWTO (76),
|
| 445 |
|
|
EMPTY_HOWTO (77),
|
| 446 |
|
|
EMPTY_HOWTO (78),
|
| 447 |
|
|
EMPTY_HOWTO (79),
|
| 448 |
|
|
EMPTY_HOWTO (80),
|
| 449 |
|
|
EMPTY_HOWTO (81),
|
| 450 |
|
|
EMPTY_HOWTO (82),
|
| 451 |
|
|
EMPTY_HOWTO (83),
|
| 452 |
|
|
EMPTY_HOWTO (84),
|
| 453 |
|
|
EMPTY_HOWTO (85),
|
| 454 |
|
|
EMPTY_HOWTO (86),
|
| 455 |
|
|
EMPTY_HOWTO (87),
|
| 456 |
|
|
EMPTY_HOWTO (88),
|
| 457 |
|
|
EMPTY_HOWTO (89),
|
| 458 |
|
|
EMPTY_HOWTO (90),
|
| 459 |
|
|
EMPTY_HOWTO (91),
|
| 460 |
|
|
EMPTY_HOWTO (92),
|
| 461 |
|
|
EMPTY_HOWTO (93),
|
| 462 |
|
|
EMPTY_HOWTO (94),
|
| 463 |
|
|
EMPTY_HOWTO (95),
|
| 464 |
|
|
EMPTY_HOWTO (96),
|
| 465 |
|
|
EMPTY_HOWTO (97),
|
| 466 |
|
|
EMPTY_HOWTO (98),
|
| 467 |
|
|
EMPTY_HOWTO (99),
|
| 468 |
|
|
EMPTY_HOWTO (100),
|
| 469 |
|
|
EMPTY_HOWTO (101),
|
| 470 |
|
|
EMPTY_HOWTO (102),
|
| 471 |
|
|
EMPTY_HOWTO (103),
|
| 472 |
|
|
EMPTY_HOWTO (104),
|
| 473 |
|
|
EMPTY_HOWTO (105),
|
| 474 |
|
|
EMPTY_HOWTO (106),
|
| 475 |
|
|
EMPTY_HOWTO (107),
|
| 476 |
|
|
EMPTY_HOWTO (108),
|
| 477 |
|
|
EMPTY_HOWTO (109),
|
| 478 |
|
|
EMPTY_HOWTO (110),
|
| 479 |
|
|
EMPTY_HOWTO (111),
|
| 480 |
|
|
EMPTY_HOWTO (112),
|
| 481 |
|
|
EMPTY_HOWTO (113),
|
| 482 |
|
|
EMPTY_HOWTO (114),
|
| 483 |
|
|
EMPTY_HOWTO (115),
|
| 484 |
|
|
EMPTY_HOWTO (116),
|
| 485 |
|
|
EMPTY_HOWTO (117),
|
| 486 |
|
|
EMPTY_HOWTO (118),
|
| 487 |
|
|
EMPTY_HOWTO (119),
|
| 488 |
|
|
EMPTY_HOWTO (120),
|
| 489 |
|
|
EMPTY_HOWTO (121),
|
| 490 |
|
|
EMPTY_HOWTO (122),
|
| 491 |
|
|
EMPTY_HOWTO (123),
|
| 492 |
|
|
EMPTY_HOWTO (124),
|
| 493 |
|
|
EMPTY_HOWTO (125),
|
| 494 |
|
|
EMPTY_HOWTO (126),
|
| 495 |
|
|
EMPTY_HOWTO (127),
|
| 496 |
|
|
EMPTY_HOWTO (128),
|
| 497 |
|
|
EMPTY_HOWTO (129),
|
| 498 |
|
|
EMPTY_HOWTO (130),
|
| 499 |
|
|
EMPTY_HOWTO (131),
|
| 500 |
|
|
EMPTY_HOWTO (132),
|
| 501 |
|
|
EMPTY_HOWTO (133),
|
| 502 |
|
|
EMPTY_HOWTO (134),
|
| 503 |
|
|
EMPTY_HOWTO (135),
|
| 504 |
|
|
EMPTY_HOWTO (136),
|
| 505 |
|
|
EMPTY_HOWTO (137),
|
| 506 |
|
|
EMPTY_HOWTO (138),
|
| 507 |
|
|
EMPTY_HOWTO (139),
|
| 508 |
|
|
EMPTY_HOWTO (140),
|
| 509 |
|
|
EMPTY_HOWTO (141),
|
| 510 |
|
|
EMPTY_HOWTO (142),
|
| 511 |
|
|
EMPTY_HOWTO (143),
|
| 512 |
|
|
EMPTY_HOWTO (144),
|
| 513 |
|
|
EMPTY_HOWTO (145),
|
| 514 |
|
|
EMPTY_HOWTO (146),
|
| 515 |
|
|
EMPTY_HOWTO (147),
|
| 516 |
|
|
EMPTY_HOWTO (148),
|
| 517 |
|
|
EMPTY_HOWTO (149),
|
| 518 |
|
|
EMPTY_HOWTO (150),
|
| 519 |
|
|
EMPTY_HOWTO (151),
|
| 520 |
|
|
EMPTY_HOWTO (152),
|
| 521 |
|
|
EMPTY_HOWTO (153),
|
| 522 |
|
|
EMPTY_HOWTO (154),
|
| 523 |
|
|
EMPTY_HOWTO (155),
|
| 524 |
|
|
EMPTY_HOWTO (156),
|
| 525 |
|
|
EMPTY_HOWTO (157),
|
| 526 |
|
|
EMPTY_HOWTO (158),
|
| 527 |
|
|
EMPTY_HOWTO (159),
|
| 528 |
|
|
|
| 529 |
|
|
/* Relocs for dynamic linking for 32-bit SH would follow. We don't have
|
| 530 |
|
|
any dynamic linking support for 64-bit SH at present. */
|
| 531 |
|
|
|
| 532 |
|
|
EMPTY_HOWTO (160),
|
| 533 |
|
|
EMPTY_HOWTO (161),
|
| 534 |
|
|
EMPTY_HOWTO (162),
|
| 535 |
|
|
EMPTY_HOWTO (163),
|
| 536 |
|
|
EMPTY_HOWTO (164),
|
| 537 |
|
|
EMPTY_HOWTO (165),
|
| 538 |
|
|
EMPTY_HOWTO (166),
|
| 539 |
|
|
EMPTY_HOWTO (167),
|
| 540 |
|
|
EMPTY_HOWTO (168),
|
| 541 |
|
|
|
| 542 |
|
|
/* Back to SH5 relocations. */
|
| 543 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 544 |
|
|
HOWTO (R_SH_GOT_LOW16, /* type */
|
| 545 |
|
|
0, /* rightshift */
|
| 546 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 547 |
|
|
64, /* bitsize */
|
| 548 |
|
|
FALSE, /* pc_relative */
|
| 549 |
|
|
10, /* bitpos */
|
| 550 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 551 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 552 |
|
|
"R_SH_GOT_LOW16", /* name */
|
| 553 |
|
|
FALSE, /* partial_inplace */
|
| 554 |
|
|
0, /* src_mask */
|
| 555 |
|
|
0x3fffc00, /* dst_mask */
|
| 556 |
|
|
FALSE), /* pcrel_offset */
|
| 557 |
|
|
|
| 558 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 559 |
|
|
HOWTO (R_SH_GOT_MEDLOW16, /* type */
|
| 560 |
|
|
16, /* rightshift */
|
| 561 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 562 |
|
|
64, /* bitsize */
|
| 563 |
|
|
FALSE, /* pc_relative */
|
| 564 |
|
|
10, /* bitpos */
|
| 565 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 566 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 567 |
|
|
"R_SH_GOT_MEDLOW16", /* name */
|
| 568 |
|
|
FALSE, /* partial_inplace */
|
| 569 |
|
|
0, /* src_mask */
|
| 570 |
|
|
0x3fffc00, /* dst_mask */
|
| 571 |
|
|
FALSE), /* pcrel_offset */
|
| 572 |
|
|
|
| 573 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 574 |
|
|
HOWTO (R_SH_GOT_MEDHI16, /* type */
|
| 575 |
|
|
32, /* rightshift */
|
| 576 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 577 |
|
|
64, /* bitsize */
|
| 578 |
|
|
FALSE, /* pc_relative */
|
| 579 |
|
|
10, /* bitpos */
|
| 580 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 581 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 582 |
|
|
"R_SH_GOT_MEDHI16", /* name */
|
| 583 |
|
|
FALSE, /* partial_inplace */
|
| 584 |
|
|
0, /* src_mask */
|
| 585 |
|
|
0x3fffc00, /* dst_mask */
|
| 586 |
|
|
FALSE), /* pcrel_offset */
|
| 587 |
|
|
|
| 588 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 589 |
|
|
HOWTO (R_SH_GOT_HI16, /* type */
|
| 590 |
|
|
48, /* rightshift */
|
| 591 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 592 |
|
|
64, /* bitsize */
|
| 593 |
|
|
FALSE, /* pc_relative */
|
| 594 |
|
|
10, /* bitpos */
|
| 595 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 596 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 597 |
|
|
"R_SH_GOT_HI16", /* name */
|
| 598 |
|
|
FALSE, /* partial_inplace */
|
| 599 |
|
|
0, /* src_mask */
|
| 600 |
|
|
0x3fffc00, /* dst_mask */
|
| 601 |
|
|
FALSE), /* pcrel_offset */
|
| 602 |
|
|
|
| 603 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 604 |
|
|
HOWTO (R_SH_GOTPLT_LOW16, /* type */
|
| 605 |
|
|
0, /* rightshift */
|
| 606 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 607 |
|
|
64, /* bitsize */
|
| 608 |
|
|
FALSE, /* pc_relative */
|
| 609 |
|
|
10, /* bitpos */
|
| 610 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 611 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 612 |
|
|
"R_SH_GOTPLT_LOW16", /* name */
|
| 613 |
|
|
FALSE, /* partial_inplace */
|
| 614 |
|
|
0, /* src_mask */
|
| 615 |
|
|
0x3fffc00, /* dst_mask */
|
| 616 |
|
|
FALSE), /* pcrel_offset */
|
| 617 |
|
|
|
| 618 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 619 |
|
|
HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */
|
| 620 |
|
|
16, /* rightshift */
|
| 621 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 622 |
|
|
64, /* bitsize */
|
| 623 |
|
|
FALSE, /* pc_relative */
|
| 624 |
|
|
10, /* bitpos */
|
| 625 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 626 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 627 |
|
|
"R_SH_GOTPLT_MEDLOW16", /* name */
|
| 628 |
|
|
FALSE, /* partial_inplace */
|
| 629 |
|
|
0, /* src_mask */
|
| 630 |
|
|
0x3fffc00, /* dst_mask */
|
| 631 |
|
|
FALSE), /* pcrel_offset */
|
| 632 |
|
|
|
| 633 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 634 |
|
|
HOWTO (R_SH_GOTPLT_MEDHI16, /* type */
|
| 635 |
|
|
32, /* rightshift */
|
| 636 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 637 |
|
|
64, /* bitsize */
|
| 638 |
|
|
FALSE, /* pc_relative */
|
| 639 |
|
|
10, /* bitpos */
|
| 640 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 641 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 642 |
|
|
"R_SH_GOTPLT_MEDHI16", /* name */
|
| 643 |
|
|
FALSE, /* partial_inplace */
|
| 644 |
|
|
0, /* src_mask */
|
| 645 |
|
|
0x3fffc00, /* dst_mask */
|
| 646 |
|
|
FALSE), /* pcrel_offset */
|
| 647 |
|
|
|
| 648 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 649 |
|
|
HOWTO (R_SH_GOTPLT_HI16, /* type */
|
| 650 |
|
|
48, /* rightshift */
|
| 651 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 652 |
|
|
64, /* bitsize */
|
| 653 |
|
|
FALSE, /* pc_relative */
|
| 654 |
|
|
10, /* bitpos */
|
| 655 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 656 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 657 |
|
|
"R_SH_GOTPLT_HI16", /* name */
|
| 658 |
|
|
FALSE, /* partial_inplace */
|
| 659 |
|
|
0, /* src_mask */
|
| 660 |
|
|
0x3fffc00, /* dst_mask */
|
| 661 |
|
|
FALSE), /* pcrel_offset */
|
| 662 |
|
|
|
| 663 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 664 |
|
|
HOWTO (R_SH_PLT_LOW16, /* type */
|
| 665 |
|
|
0, /* rightshift */
|
| 666 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 667 |
|
|
64, /* bitsize */
|
| 668 |
|
|
TRUE, /* pc_relative */
|
| 669 |
|
|
10, /* bitpos */
|
| 670 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 671 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 672 |
|
|
"R_SH_PLT_LOW16", /* name */
|
| 673 |
|
|
FALSE, /* partial_inplace */
|
| 674 |
|
|
0, /* src_mask */
|
| 675 |
|
|
0x3fffc00, /* dst_mask */
|
| 676 |
|
|
TRUE), /* pcrel_offset */
|
| 677 |
|
|
|
| 678 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 679 |
|
|
HOWTO (R_SH_PLT_MEDLOW16, /* type */
|
| 680 |
|
|
16, /* rightshift */
|
| 681 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 682 |
|
|
64, /* bitsize */
|
| 683 |
|
|
TRUE, /* pc_relative */
|
| 684 |
|
|
10, /* bitpos */
|
| 685 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 686 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 687 |
|
|
"R_SH_PLT_MEDLOW16", /* name */
|
| 688 |
|
|
FALSE, /* partial_inplace */
|
| 689 |
|
|
0, /* src_mask */
|
| 690 |
|
|
0x3fffc00, /* dst_mask */
|
| 691 |
|
|
TRUE), /* pcrel_offset */
|
| 692 |
|
|
|
| 693 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 694 |
|
|
HOWTO (R_SH_PLT_MEDHI16, /* type */
|
| 695 |
|
|
32, /* rightshift */
|
| 696 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 697 |
|
|
64, /* bitsize */
|
| 698 |
|
|
TRUE, /* pc_relative */
|
| 699 |
|
|
10, /* bitpos */
|
| 700 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 701 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 702 |
|
|
"R_SH_PLT_MEDHI16", /* name */
|
| 703 |
|
|
FALSE, /* partial_inplace */
|
| 704 |
|
|
0, /* src_mask */
|
| 705 |
|
|
0x3fffc00, /* dst_mask */
|
| 706 |
|
|
TRUE), /* pcrel_offset */
|
| 707 |
|
|
|
| 708 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 709 |
|
|
HOWTO (R_SH_PLT_HI16, /* type */
|
| 710 |
|
|
48, /* rightshift */
|
| 711 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 712 |
|
|
64, /* bitsize */
|
| 713 |
|
|
TRUE, /* pc_relative */
|
| 714 |
|
|
10, /* bitpos */
|
| 715 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 716 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 717 |
|
|
"R_SH_PLT_HI16", /* name */
|
| 718 |
|
|
FALSE, /* partial_inplace */
|
| 719 |
|
|
0, /* src_mask */
|
| 720 |
|
|
0x3fffc00, /* dst_mask */
|
| 721 |
|
|
TRUE), /* pcrel_offset */
|
| 722 |
|
|
|
| 723 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 724 |
|
|
HOWTO (R_SH_GOTOFF_LOW16, /* type */
|
| 725 |
|
|
0, /* rightshift */
|
| 726 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 727 |
|
|
64, /* bitsize */
|
| 728 |
|
|
FALSE, /* pc_relative */
|
| 729 |
|
|
10, /* bitpos */
|
| 730 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 731 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 732 |
|
|
"R_SH_GOTOFF_LOW16", /* name */
|
| 733 |
|
|
FALSE, /* partial_inplace */
|
| 734 |
|
|
0, /* src_mask */
|
| 735 |
|
|
0x3fffc00, /* dst_mask */
|
| 736 |
|
|
FALSE), /* pcrel_offset */
|
| 737 |
|
|
|
| 738 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 739 |
|
|
HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */
|
| 740 |
|
|
16, /* rightshift */
|
| 741 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 742 |
|
|
64, /* bitsize */
|
| 743 |
|
|
FALSE, /* pc_relative */
|
| 744 |
|
|
10, /* bitpos */
|
| 745 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 746 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 747 |
|
|
"R_SH_GOTOFF_MEDLOW16", /* name */
|
| 748 |
|
|
FALSE, /* partial_inplace */
|
| 749 |
|
|
0, /* src_mask */
|
| 750 |
|
|
0x3fffc00, /* dst_mask */
|
| 751 |
|
|
FALSE), /* pcrel_offset */
|
| 752 |
|
|
|
| 753 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 754 |
|
|
HOWTO (R_SH_GOTOFF_MEDHI16, /* type */
|
| 755 |
|
|
32, /* rightshift */
|
| 756 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 757 |
|
|
64, /* bitsize */
|
| 758 |
|
|
FALSE, /* pc_relative */
|
| 759 |
|
|
10, /* bitpos */
|
| 760 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 761 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 762 |
|
|
"R_SH_GOTOFF_MEDHI16", /* name */
|
| 763 |
|
|
FALSE, /* partial_inplace */
|
| 764 |
|
|
0, /* src_mask */
|
| 765 |
|
|
0x3fffc00, /* dst_mask */
|
| 766 |
|
|
FALSE), /* pcrel_offset */
|
| 767 |
|
|
|
| 768 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 769 |
|
|
HOWTO (R_SH_GOTOFF_HI16, /* type */
|
| 770 |
|
|
48, /* rightshift */
|
| 771 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 772 |
|
|
64, /* bitsize */
|
| 773 |
|
|
FALSE, /* pc_relative */
|
| 774 |
|
|
10, /* bitpos */
|
| 775 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 776 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 777 |
|
|
"R_SH_GOTOFF_HI16", /* name */
|
| 778 |
|
|
FALSE, /* partial_inplace */
|
| 779 |
|
|
0, /* src_mask */
|
| 780 |
|
|
0x3fffc00, /* dst_mask */
|
| 781 |
|
|
FALSE), /* pcrel_offset */
|
| 782 |
|
|
|
| 783 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 784 |
|
|
HOWTO (R_SH_GOTPC_LOW16, /* type */
|
| 785 |
|
|
0, /* rightshift */
|
| 786 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 787 |
|
|
64, /* bitsize */
|
| 788 |
|
|
TRUE, /* pc_relative */
|
| 789 |
|
|
10, /* bitpos */
|
| 790 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 791 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 792 |
|
|
"R_SH_GOTPC_LOW16", /* name */
|
| 793 |
|
|
FALSE, /* partial_inplace */
|
| 794 |
|
|
0, /* src_mask */
|
| 795 |
|
|
0x3fffc00, /* dst_mask */
|
| 796 |
|
|
TRUE), /* pcrel_offset */
|
| 797 |
|
|
|
| 798 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 799 |
|
|
HOWTO (R_SH_GOTPC_MEDLOW16, /* type */
|
| 800 |
|
|
16, /* rightshift */
|
| 801 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 802 |
|
|
64, /* bitsize */
|
| 803 |
|
|
TRUE, /* pc_relative */
|
| 804 |
|
|
10, /* bitpos */
|
| 805 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 806 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 807 |
|
|
"R_SH_GOTPC_MEDLOW16", /* name */
|
| 808 |
|
|
FALSE, /* partial_inplace */
|
| 809 |
|
|
0, /* src_mask */
|
| 810 |
|
|
0x3fffc00, /* dst_mask */
|
| 811 |
|
|
TRUE), /* pcrel_offset */
|
| 812 |
|
|
|
| 813 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 814 |
|
|
HOWTO (R_SH_GOTPC_MEDHI16, /* type */
|
| 815 |
|
|
32, /* rightshift */
|
| 816 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 817 |
|
|
64, /* bitsize */
|
| 818 |
|
|
TRUE, /* pc_relative */
|
| 819 |
|
|
10, /* bitpos */
|
| 820 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 821 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 822 |
|
|
"R_SH_GOTPC_MEDHI16", /* name */
|
| 823 |
|
|
FALSE, /* partial_inplace */
|
| 824 |
|
|
0, /* src_mask */
|
| 825 |
|
|
0x3fffc00, /* dst_mask */
|
| 826 |
|
|
TRUE), /* pcrel_offset */
|
| 827 |
|
|
|
| 828 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 829 |
|
|
HOWTO (R_SH_GOTPC_HI16, /* type */
|
| 830 |
|
|
48, /* rightshift */
|
| 831 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 832 |
|
|
64, /* bitsize */
|
| 833 |
|
|
TRUE, /* pc_relative */
|
| 834 |
|
|
10, /* bitpos */
|
| 835 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 836 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 837 |
|
|
"R_SH_GOTPC_HI16", /* name */
|
| 838 |
|
|
FALSE, /* partial_inplace */
|
| 839 |
|
|
0, /* src_mask */
|
| 840 |
|
|
0x3fffc00, /* dst_mask */
|
| 841 |
|
|
TRUE), /* pcrel_offset */
|
| 842 |
|
|
|
| 843 |
|
|
/* Used in LD.L, FLD.S et al. */
|
| 844 |
|
|
HOWTO (R_SH_GOT10BY4, /* type */
|
| 845 |
|
|
2, /* rightshift */
|
| 846 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 847 |
|
|
12, /* bitsize */
|
| 848 |
|
|
FALSE, /* pc_relative */
|
| 849 |
|
|
10, /* bitpos */
|
| 850 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 851 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 852 |
|
|
"R_SH_GOT10BY4", /* name */
|
| 853 |
|
|
FALSE, /* partial_inplace */
|
| 854 |
|
|
0, /* src_mask */
|
| 855 |
|
|
0xffc00, /* dst_mask */
|
| 856 |
|
|
FALSE), /* pcrel_offset */
|
| 857 |
|
|
|
| 858 |
|
|
/* Used in LD.L, FLD.S et al. */
|
| 859 |
|
|
HOWTO (R_SH_GOTPLT10BY4, /* type */
|
| 860 |
|
|
2, /* rightshift */
|
| 861 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 862 |
|
|
12, /* bitsize */
|
| 863 |
|
|
FALSE, /* pc_relative */
|
| 864 |
|
|
10, /* bitpos */
|
| 865 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 866 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 867 |
|
|
"R_SH_GOTPLT10BY4", /* name */
|
| 868 |
|
|
FALSE, /* partial_inplace */
|
| 869 |
|
|
0, /* src_mask */
|
| 870 |
|
|
0xffc00, /* dst_mask */
|
| 871 |
|
|
FALSE), /* pcrel_offset */
|
| 872 |
|
|
|
| 873 |
|
|
/* Used in FLD.D, FST.P et al. */
|
| 874 |
|
|
HOWTO (R_SH_GOT10BY8, /* type */
|
| 875 |
|
|
3, /* rightshift */
|
| 876 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 877 |
|
|
13, /* bitsize */
|
| 878 |
|
|
FALSE, /* pc_relative */
|
| 879 |
|
|
10, /* bitpos */
|
| 880 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 881 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 882 |
|
|
"R_SH_GOT10BY8", /* name */
|
| 883 |
|
|
FALSE, /* partial_inplace */
|
| 884 |
|
|
0, /* src_mask */
|
| 885 |
|
|
0xffc00, /* dst_mask */
|
| 886 |
|
|
FALSE), /* pcrel_offset */
|
| 887 |
|
|
|
| 888 |
|
|
/* Used in FLD.D, FST.P et al. */
|
| 889 |
|
|
HOWTO (R_SH_GOTPLT10BY8, /* type */
|
| 890 |
|
|
3, /* rightshift */
|
| 891 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 892 |
|
|
13, /* bitsize */
|
| 893 |
|
|
FALSE, /* pc_relative */
|
| 894 |
|
|
10, /* bitpos */
|
| 895 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 896 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 897 |
|
|
"R_SH_GOTPLT10BY8", /* name */
|
| 898 |
|
|
FALSE, /* partial_inplace */
|
| 899 |
|
|
0, /* src_mask */
|
| 900 |
|
|
0xffc00, /* dst_mask */
|
| 901 |
|
|
FALSE), /* pcrel_offset */
|
| 902 |
|
|
|
| 903 |
|
|
HOWTO (R_SH_COPY64, /* type */
|
| 904 |
|
|
0, /* rightshift */
|
| 905 |
|
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
| 906 |
|
|
64, /* bitsize */
|
| 907 |
|
|
FALSE, /* pc_relative */
|
| 908 |
|
|
0, /* bitpos */
|
| 909 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 910 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 911 |
|
|
"R_SH_COPY64", /* name */
|
| 912 |
|
|
FALSE, /* partial_inplace */
|
| 913 |
|
|
0, /* src_mask */
|
| 914 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 915 |
|
|
FALSE), /* pcrel_offset */
|
| 916 |
|
|
|
| 917 |
|
|
HOWTO (R_SH_GLOB_DAT64, /* type */
|
| 918 |
|
|
0, /* rightshift */
|
| 919 |
|
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
| 920 |
|
|
64, /* bitsize */
|
| 921 |
|
|
FALSE, /* pc_relative */
|
| 922 |
|
|
0, /* bitpos */
|
| 923 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 924 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 925 |
|
|
"R_SH_GLOB_DAT64", /* name */
|
| 926 |
|
|
FALSE, /* partial_inplace */
|
| 927 |
|
|
0, /* src_mask */
|
| 928 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 929 |
|
|
FALSE), /* pcrel_offset */
|
| 930 |
|
|
|
| 931 |
|
|
HOWTO (R_SH_JMP_SLOT64, /* type */
|
| 932 |
|
|
0, /* rightshift */
|
| 933 |
|
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
| 934 |
|
|
64, /* bitsize */
|
| 935 |
|
|
FALSE, /* pc_relative */
|
| 936 |
|
|
0, /* bitpos */
|
| 937 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 938 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 939 |
|
|
"R_SH_JMP_SLOT64", /* name */
|
| 940 |
|
|
FALSE, /* partial_inplace */
|
| 941 |
|
|
0, /* src_mask */
|
| 942 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 943 |
|
|
FALSE), /* pcrel_offset */
|
| 944 |
|
|
|
| 945 |
|
|
HOWTO (R_SH_RELATIVE64, /* type */
|
| 946 |
|
|
0, /* rightshift */
|
| 947 |
|
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
| 948 |
|
|
64, /* bitsize */
|
| 949 |
|
|
FALSE, /* pc_relative */
|
| 950 |
|
|
0, /* bitpos */
|
| 951 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 952 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 953 |
|
|
"R_SH_RELATIVE64", /* name */
|
| 954 |
|
|
FALSE, /* partial_inplace */
|
| 955 |
|
|
0, /* src_mask */
|
| 956 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 957 |
|
|
FALSE), /* pcrel_offset */
|
| 958 |
|
|
|
| 959 |
|
|
EMPTY_HOWTO (197),
|
| 960 |
|
|
EMPTY_HOWTO (198),
|
| 961 |
|
|
EMPTY_HOWTO (199),
|
| 962 |
|
|
EMPTY_HOWTO (200),
|
| 963 |
|
|
EMPTY_HOWTO (201),
|
| 964 |
|
|
EMPTY_HOWTO (202),
|
| 965 |
|
|
EMPTY_HOWTO (203),
|
| 966 |
|
|
EMPTY_HOWTO (204),
|
| 967 |
|
|
EMPTY_HOWTO (205),
|
| 968 |
|
|
EMPTY_HOWTO (206),
|
| 969 |
|
|
EMPTY_HOWTO (207),
|
| 970 |
|
|
EMPTY_HOWTO (208),
|
| 971 |
|
|
EMPTY_HOWTO (209),
|
| 972 |
|
|
EMPTY_HOWTO (210),
|
| 973 |
|
|
EMPTY_HOWTO (211),
|
| 974 |
|
|
EMPTY_HOWTO (212),
|
| 975 |
|
|
EMPTY_HOWTO (213),
|
| 976 |
|
|
EMPTY_HOWTO (214),
|
| 977 |
|
|
EMPTY_HOWTO (215),
|
| 978 |
|
|
EMPTY_HOWTO (216),
|
| 979 |
|
|
EMPTY_HOWTO (217),
|
| 980 |
|
|
EMPTY_HOWTO (218),
|
| 981 |
|
|
EMPTY_HOWTO (219),
|
| 982 |
|
|
EMPTY_HOWTO (220),
|
| 983 |
|
|
EMPTY_HOWTO (221),
|
| 984 |
|
|
EMPTY_HOWTO (222),
|
| 985 |
|
|
EMPTY_HOWTO (223),
|
| 986 |
|
|
EMPTY_HOWTO (224),
|
| 987 |
|
|
EMPTY_HOWTO (225),
|
| 988 |
|
|
EMPTY_HOWTO (226),
|
| 989 |
|
|
EMPTY_HOWTO (227),
|
| 990 |
|
|
EMPTY_HOWTO (228),
|
| 991 |
|
|
EMPTY_HOWTO (229),
|
| 992 |
|
|
EMPTY_HOWTO (230),
|
| 993 |
|
|
EMPTY_HOWTO (231),
|
| 994 |
|
|
EMPTY_HOWTO (232),
|
| 995 |
|
|
EMPTY_HOWTO (233),
|
| 996 |
|
|
EMPTY_HOWTO (234),
|
| 997 |
|
|
EMPTY_HOWTO (235),
|
| 998 |
|
|
EMPTY_HOWTO (236),
|
| 999 |
|
|
EMPTY_HOWTO (237),
|
| 1000 |
|
|
EMPTY_HOWTO (238),
|
| 1001 |
|
|
EMPTY_HOWTO (239),
|
| 1002 |
|
|
EMPTY_HOWTO (240),
|
| 1003 |
|
|
EMPTY_HOWTO (241),
|
| 1004 |
|
|
|
| 1005 |
|
|
/* Relocations for SHmedia code. None of these are partial_inplace or
|
| 1006 |
|
|
use the field being relocated. */
|
| 1007 |
|
|
|
| 1008 |
|
|
/* The assembler will generate this reloc before a block of SHmedia
|
| 1009 |
|
|
instructions. A section should be processed as assuming it contains
|
| 1010 |
|
|
data, unless this reloc is seen. Note that a block of SHcompact
|
| 1011 |
|
|
instructions are instead preceded by R_SH_CODE.
|
| 1012 |
|
|
This is currently not implemented, but should be used for SHmedia
|
| 1013 |
|
|
linker relaxation. */
|
| 1014 |
|
|
HOWTO (R_SH_SHMEDIA_CODE, /* type */
|
| 1015 |
|
|
0, /* rightshift */
|
| 1016 |
|
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1017 |
|
|
0, /* bitsize */
|
| 1018 |
|
|
FALSE, /* pc_relative */
|
| 1019 |
|
|
0, /* bitpos */
|
| 1020 |
|
|
complain_overflow_unsigned, /* complain_on_overflow */
|
| 1021 |
|
|
sh_elf64_ignore_reloc, /* special_function */
|
| 1022 |
|
|
"R_SH_SHMEDIA_CODE", /* name */
|
| 1023 |
|
|
FALSE, /* partial_inplace */
|
| 1024 |
|
|
0, /* src_mask */
|
| 1025 |
|
|
0, /* dst_mask */
|
| 1026 |
|
|
FALSE), /* pcrel_offset */
|
| 1027 |
|
|
|
| 1028 |
|
|
/* The assembler will generate this reloc at a PTA or PTB instruction,
|
| 1029 |
|
|
and the linker checks the right type of target, or changes a PTA to a
|
| 1030 |
|
|
PTB, if the original insn was PT. */
|
| 1031 |
|
|
HOWTO (R_SH_PT_16, /* type */
|
| 1032 |
|
|
2, /* rightshift */
|
| 1033 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1034 |
|
|
18, /* bitsize */
|
| 1035 |
|
|
TRUE, /* pc_relative */
|
| 1036 |
|
|
10, /* bitpos */
|
| 1037 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 1038 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1039 |
|
|
"R_SH_PT_16", /* name */
|
| 1040 |
|
|
FALSE, /* partial_inplace */
|
| 1041 |
|
|
0, /* src_mask */
|
| 1042 |
|
|
0x3fffc00, /* dst_mask */
|
| 1043 |
|
|
TRUE), /* pcrel_offset */
|
| 1044 |
|
|
|
| 1045 |
|
|
/* Used in unexpanded MOVI. */
|
| 1046 |
|
|
HOWTO (R_SH_IMMS16, /* type */
|
| 1047 |
|
|
0, /* rightshift */
|
| 1048 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1049 |
|
|
16, /* bitsize */
|
| 1050 |
|
|
FALSE, /* pc_relative */
|
| 1051 |
|
|
10, /* bitpos */
|
| 1052 |
|
|
complain_overflow_signed, /* complain_on_overflow */
|
| 1053 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1054 |
|
|
"R_SH_IMMS16", /* name */
|
| 1055 |
|
|
FALSE, /* partial_inplace */
|
| 1056 |
|
|
0, /* src_mask */
|
| 1057 |
|
|
0x3fffc00, /* dst_mask */
|
| 1058 |
|
|
FALSE), /* pcrel_offset */
|
| 1059 |
|
|
|
| 1060 |
|
|
/* Used in SHORI. */
|
| 1061 |
|
|
HOWTO (R_SH_IMMU16, /* type */
|
| 1062 |
|
|
0, /* rightshift */
|
| 1063 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1064 |
|
|
16, /* bitsize */
|
| 1065 |
|
|
FALSE, /* pc_relative */
|
| 1066 |
|
|
10, /* bitpos */
|
| 1067 |
|
|
complain_overflow_unsigned, /* complain_on_overflow */
|
| 1068 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1069 |
|
|
"R_SH_IMMU16", /* name */
|
| 1070 |
|
|
FALSE, /* partial_inplace */
|
| 1071 |
|
|
0, /* src_mask */
|
| 1072 |
|
|
0x3fffc00, /* dst_mask */
|
| 1073 |
|
|
FALSE), /* pcrel_offset */
|
| 1074 |
|
|
|
| 1075 |
|
|
/* Used in MOVI and SHORI (x & 65536). */
|
| 1076 |
|
|
HOWTO (R_SH_IMM_LOW16, /* type */
|
| 1077 |
|
|
0, /* rightshift */
|
| 1078 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1079 |
|
|
64, /* bitsize */
|
| 1080 |
|
|
FALSE, /* pc_relative */
|
| 1081 |
|
|
10, /* bitpos */
|
| 1082 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1083 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1084 |
|
|
"R_SH_IMM_LOW16", /* name */
|
| 1085 |
|
|
FALSE, /* partial_inplace */
|
| 1086 |
|
|
0, /* src_mask */
|
| 1087 |
|
|
0x3fffc00, /* dst_mask */
|
| 1088 |
|
|
FALSE), /* pcrel_offset */
|
| 1089 |
|
|
|
| 1090 |
|
|
/* Used in MOVI and SHORI ((x - $) & 65536). */
|
| 1091 |
|
|
HOWTO (R_SH_IMM_LOW16_PCREL, /* type */
|
| 1092 |
|
|
0, /* rightshift */
|
| 1093 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1094 |
|
|
64, /* bitsize */
|
| 1095 |
|
|
TRUE, /* pc_relative */
|
| 1096 |
|
|
10, /* bitpos */
|
| 1097 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1098 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1099 |
|
|
"R_SH_IMM_LOW16_PCREL", /* name */
|
| 1100 |
|
|
FALSE, /* partial_inplace */
|
| 1101 |
|
|
0, /* src_mask */
|
| 1102 |
|
|
0x3fffc00, /* dst_mask */
|
| 1103 |
|
|
TRUE), /* pcrel_offset */
|
| 1104 |
|
|
|
| 1105 |
|
|
/* Used in MOVI and SHORI ((x >> 16) & 65536). */
|
| 1106 |
|
|
HOWTO (R_SH_IMM_MEDLOW16, /* type */
|
| 1107 |
|
|
16, /* rightshift */
|
| 1108 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1109 |
|
|
64, /* bitsize */
|
| 1110 |
|
|
FALSE, /* pc_relative */
|
| 1111 |
|
|
10, /* bitpos */
|
| 1112 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1113 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1114 |
|
|
"R_SH_IMM_MEDLOW16", /* name */
|
| 1115 |
|
|
FALSE, /* partial_inplace */
|
| 1116 |
|
|
0, /* src_mask */
|
| 1117 |
|
|
0x3fffc00, /* dst_mask */
|
| 1118 |
|
|
FALSE), /* pcrel_offset */
|
| 1119 |
|
|
|
| 1120 |
|
|
/* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */
|
| 1121 |
|
|
HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */
|
| 1122 |
|
|
16, /* rightshift */
|
| 1123 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1124 |
|
|
64, /* bitsize */
|
| 1125 |
|
|
TRUE, /* pc_relative */
|
| 1126 |
|
|
10, /* bitpos */
|
| 1127 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1128 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1129 |
|
|
"R_SH_IMM_MEDLOW16_PCREL", /* name */
|
| 1130 |
|
|
FALSE, /* partial_inplace */
|
| 1131 |
|
|
0, /* src_mask */
|
| 1132 |
|
|
0x3fffc00, /* dst_mask */
|
| 1133 |
|
|
TRUE), /* pcrel_offset */
|
| 1134 |
|
|
|
| 1135 |
|
|
/* Used in MOVI and SHORI ((x >> 32) & 65536). */
|
| 1136 |
|
|
HOWTO (R_SH_IMM_MEDHI16, /* type */
|
| 1137 |
|
|
32, /* rightshift */
|
| 1138 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1139 |
|
|
64, /* bitsize */
|
| 1140 |
|
|
FALSE, /* pc_relative */
|
| 1141 |
|
|
10, /* bitpos */
|
| 1142 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1143 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1144 |
|
|
"R_SH_IMM_MEDHI16", /* name */
|
| 1145 |
|
|
FALSE, /* partial_inplace */
|
| 1146 |
|
|
0, /* src_mask */
|
| 1147 |
|
|
0x3fffc00, /* dst_mask */
|
| 1148 |
|
|
FALSE), /* pcrel_offset */
|
| 1149 |
|
|
|
| 1150 |
|
|
/* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */
|
| 1151 |
|
|
HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */
|
| 1152 |
|
|
32, /* rightshift */
|
| 1153 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1154 |
|
|
64, /* bitsize */
|
| 1155 |
|
|
TRUE, /* pc_relative */
|
| 1156 |
|
|
10, /* bitpos */
|
| 1157 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1158 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1159 |
|
|
"R_SH_IMM_MEDHI16_PCREL", /* name */
|
| 1160 |
|
|
FALSE, /* partial_inplace */
|
| 1161 |
|
|
0, /* src_mask */
|
| 1162 |
|
|
0x3fffc00, /* dst_mask */
|
| 1163 |
|
|
TRUE), /* pcrel_offset */
|
| 1164 |
|
|
|
| 1165 |
|
|
/* Used in MOVI and SHORI ((x >> 48) & 65536). */
|
| 1166 |
|
|
HOWTO (R_SH_IMM_HI16, /* type */
|
| 1167 |
|
|
48, /* rightshift */
|
| 1168 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1169 |
|
|
64, /* bitsize */
|
| 1170 |
|
|
FALSE, /* pc_relative */
|
| 1171 |
|
|
10, /* bitpos */
|
| 1172 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1173 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1174 |
|
|
"R_SH_IMM_HI16", /* name */
|
| 1175 |
|
|
FALSE, /* partial_inplace */
|
| 1176 |
|
|
0, /* src_mask */
|
| 1177 |
|
|
0x3fffc00, /* dst_mask */
|
| 1178 |
|
|
FALSE), /* pcrel_offset */
|
| 1179 |
|
|
|
| 1180 |
|
|
/* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */
|
| 1181 |
|
|
HOWTO (R_SH_IMM_HI16_PCREL, /* type */
|
| 1182 |
|
|
48, /* rightshift */
|
| 1183 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1184 |
|
|
64, /* bitsize */
|
| 1185 |
|
|
TRUE, /* pc_relative */
|
| 1186 |
|
|
10, /* bitpos */
|
| 1187 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1188 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1189 |
|
|
"R_SH_IMM_HI16_PCREL", /* name */
|
| 1190 |
|
|
FALSE, /* partial_inplace */
|
| 1191 |
|
|
0, /* src_mask */
|
| 1192 |
|
|
0x3fffc00, /* dst_mask */
|
| 1193 |
|
|
TRUE), /* pcrel_offset */
|
| 1194 |
|
|
|
| 1195 |
|
|
/* For the .uaquad pseudo. */
|
| 1196 |
|
|
HOWTO (R_SH_64, /* type */
|
| 1197 |
|
|
0, /* rightshift */
|
| 1198 |
|
|
4, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1199 |
|
|
64, /* bitsize */
|
| 1200 |
|
|
FALSE, /* pc_relative */
|
| 1201 |
|
|
0, /* bitpos */
|
| 1202 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1203 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1204 |
|
|
"R_SH_64", /* name */
|
| 1205 |
|
|
FALSE, /* partial_inplace */
|
| 1206 |
|
|
0, /* src_mask */
|
| 1207 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 1208 |
|
|
FALSE), /* pcrel_offset */
|
| 1209 |
|
|
|
| 1210 |
|
|
/* For the .uaquad pseudo, (x - $). */
|
| 1211 |
|
|
HOWTO (R_SH_64_PCREL, /* type */
|
| 1212 |
|
|
48, /* rightshift */
|
| 1213 |
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| 1214 |
|
|
64, /* bitsize */
|
| 1215 |
|
|
TRUE, /* pc_relative */
|
| 1216 |
|
|
10, /* bitpos */
|
| 1217 |
|
|
complain_overflow_dont, /* complain_on_overflow */
|
| 1218 |
|
|
bfd_elf_generic_reloc, /* special_function */
|
| 1219 |
|
|
"R_SH_64_PCREL", /* name */
|
| 1220 |
|
|
FALSE, /* partial_inplace */
|
| 1221 |
|
|
0, /* src_mask */
|
| 1222 |
|
|
((bfd_vma) 0) - 1, /* dst_mask */
|
| 1223 |
|
|
TRUE), /* pcrel_offset */
|
| 1224 |
|
|
|
| 1225 |
|
|
};
|
| 1226 |
|
|
|
| 1227 |
|
|
/* This function is used for relocs which are only used for relaxing,
|
| 1228 |
|
|
which the linker should otherwise ignore. */
|
| 1229 |
|
|
|
| 1230 |
|
|
static bfd_reloc_status_type
|
| 1231 |
|
|
sh_elf64_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
|
| 1232 |
|
|
asymbol *symbol ATTRIBUTE_UNUSED,
|
| 1233 |
|
|
void *data ATTRIBUTE_UNUSED, asection *input_section,
|
| 1234 |
|
|
bfd *output_bfd,
|
| 1235 |
|
|
char **error_message ATTRIBUTE_UNUSED)
|
| 1236 |
|
|
{
|
| 1237 |
|
|
if (output_bfd != NULL)
|
| 1238 |
|
|
reloc_entry->address += input_section->output_offset;
|
| 1239 |
|
|
return bfd_reloc_ok;
|
| 1240 |
|
|
}
|
| 1241 |
|
|
|
| 1242 |
|
|
/* This function is used for normal relocs. This used to be like the COFF
|
| 1243 |
|
|
function, and is almost certainly incorrect for other ELF targets.
|
| 1244 |
|
|
|
| 1245 |
|
|
See sh_elf_reloc in elf32-sh.c for the original. */
|
| 1246 |
|
|
|
| 1247 |
|
|
static bfd_reloc_status_type
|
| 1248 |
|
|
sh_elf64_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in,
|
| 1249 |
|
|
void *data, asection *input_section, bfd *output_bfd,
|
| 1250 |
|
|
char **error_message ATTRIBUTE_UNUSED)
|
| 1251 |
|
|
{
|
| 1252 |
|
|
unsigned long insn;
|
| 1253 |
|
|
bfd_vma sym_value;
|
| 1254 |
|
|
enum elf_sh_reloc_type r_type;
|
| 1255 |
|
|
bfd_vma addr = reloc_entry->address;
|
| 1256 |
|
|
bfd_byte *hit_data = addr + (bfd_byte *) data;
|
| 1257 |
|
|
|
| 1258 |
|
|
r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type;
|
| 1259 |
|
|
|
| 1260 |
|
|
if (output_bfd != NULL)
|
| 1261 |
|
|
{
|
| 1262 |
|
|
/* Partial linking--do nothing. */
|
| 1263 |
|
|
reloc_entry->address += input_section->output_offset;
|
| 1264 |
|
|
return bfd_reloc_ok;
|
| 1265 |
|
|
}
|
| 1266 |
|
|
|
| 1267 |
|
|
if (symbol_in != NULL
|
| 1268 |
|
|
&& bfd_is_und_section (symbol_in->section))
|
| 1269 |
|
|
return bfd_reloc_undefined;
|
| 1270 |
|
|
|
| 1271 |
|
|
if (bfd_is_com_section (symbol_in->section))
|
| 1272 |
|
|
sym_value = 0;
|
| 1273 |
|
|
else
|
| 1274 |
|
|
sym_value = (symbol_in->value +
|
| 1275 |
|
|
symbol_in->section->output_section->vma +
|
| 1276 |
|
|
symbol_in->section->output_offset);
|
| 1277 |
|
|
|
| 1278 |
|
|
switch (r_type)
|
| 1279 |
|
|
{
|
| 1280 |
|
|
case R_SH_DIR32:
|
| 1281 |
|
|
insn = bfd_get_32 (abfd, hit_data);
|
| 1282 |
|
|
insn += sym_value + reloc_entry->addend;
|
| 1283 |
|
|
bfd_put_32 (abfd, insn, hit_data);
|
| 1284 |
|
|
break;
|
| 1285 |
|
|
|
| 1286 |
|
|
default:
|
| 1287 |
|
|
abort ();
|
| 1288 |
|
|
break;
|
| 1289 |
|
|
}
|
| 1290 |
|
|
|
| 1291 |
|
|
return bfd_reloc_ok;
|
| 1292 |
|
|
}
|
| 1293 |
|
|
|
| 1294 |
|
|
/* This structure is used to map BFD reloc codes to SH ELF relocs. */
|
| 1295 |
|
|
|
| 1296 |
|
|
struct elf_reloc_map
|
| 1297 |
|
|
{
|
| 1298 |
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
| 1299 |
|
|
unsigned char elf_reloc_val;
|
| 1300 |
|
|
};
|
| 1301 |
|
|
|
| 1302 |
|
|
/* An array mapping BFD reloc codes to SH ELF relocs. */
|
| 1303 |
|
|
|
| 1304 |
|
|
static const struct elf_reloc_map sh64_reloc_map[] =
|
| 1305 |
|
|
{
|
| 1306 |
|
|
{ BFD_RELOC_NONE, R_SH_NONE },
|
| 1307 |
|
|
{ BFD_RELOC_32, R_SH_DIR32 },
|
| 1308 |
|
|
{ BFD_RELOC_CTOR, R_SH_DIR32 },
|
| 1309 |
|
|
{ BFD_RELOC_32_PCREL, R_SH_REL32 },
|
| 1310 |
|
|
{ BFD_RELOC_8_PCREL, R_SH_SWITCH8 },
|
| 1311 |
|
|
{ BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 },
|
| 1312 |
|
|
{ BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 },
|
| 1313 |
|
|
{ BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT },
|
| 1314 |
|
|
{ BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY },
|
| 1315 |
|
|
{ BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 },
|
| 1316 |
|
|
{ BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 },
|
| 1317 |
|
|
{ BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 },
|
| 1318 |
|
|
{ BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 },
|
| 1319 |
|
|
{ BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 },
|
| 1320 |
|
|
{ BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 },
|
| 1321 |
|
|
{ BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 },
|
| 1322 |
|
|
{ BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 },
|
| 1323 |
|
|
{ BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 },
|
| 1324 |
|
|
{ BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 },
|
| 1325 |
|
|
{ BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 },
|
| 1326 |
|
|
{ BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 },
|
| 1327 |
|
|
{ BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 },
|
| 1328 |
|
|
{ BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 },
|
| 1329 |
|
|
{ BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 },
|
| 1330 |
|
|
{ BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 },
|
| 1331 |
|
|
{ BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 },
|
| 1332 |
|
|
{ BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 },
|
| 1333 |
|
|
{ BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 },
|
| 1334 |
|
|
{ BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 },
|
| 1335 |
|
|
{ BFD_RELOC_SH_COPY64, R_SH_COPY64 },
|
| 1336 |
|
|
{ BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 },
|
| 1337 |
|
|
{ BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 },
|
| 1338 |
|
|
{ BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 },
|
| 1339 |
|
|
{ BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 },
|
| 1340 |
|
|
{ BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 },
|
| 1341 |
|
|
{ BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 },
|
| 1342 |
|
|
{ BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 },
|
| 1343 |
|
|
{ BFD_RELOC_SH_PT_16, R_SH_PT_16 },
|
| 1344 |
|
|
{ BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE },
|
| 1345 |
|
|
{ BFD_RELOC_SH_IMMU5, R_SH_DIR5U },
|
| 1346 |
|
|
{ BFD_RELOC_SH_IMMS6, R_SH_DIR6S },
|
| 1347 |
|
|
{ BFD_RELOC_SH_IMMU6, R_SH_DIR6U },
|
| 1348 |
|
|
{ BFD_RELOC_SH_IMMS10, R_SH_DIR10S },
|
| 1349 |
|
|
{ BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW },
|
| 1350 |
|
|
{ BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL },
|
| 1351 |
|
|
{ BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ },
|
| 1352 |
|
|
{ BFD_RELOC_SH_IMMS16, R_SH_IMMS16 },
|
| 1353 |
|
|
{ BFD_RELOC_SH_IMMU16, R_SH_IMMU16 },
|
| 1354 |
|
|
{ BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 },
|
| 1355 |
|
|
{ BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL },
|
| 1356 |
|
|
{ BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 },
|
| 1357 |
|
|
{ BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL },
|
| 1358 |
|
|
{ BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 },
|
| 1359 |
|
|
{ BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL },
|
| 1360 |
|
|
{ BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 },
|
| 1361 |
|
|
{ BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL },
|
| 1362 |
|
|
{ BFD_RELOC_64, R_SH_64 },
|
| 1363 |
|
|
{ BFD_RELOC_64_PCREL, R_SH_64_PCREL },
|
| 1364 |
|
|
};
|
| 1365 |
|
|
|
| 1366 |
|
|
/* Given a BFD reloc code, return the howto structure for the
|
| 1367 |
|
|
corresponding SH ELf reloc. */
|
| 1368 |
|
|
|
| 1369 |
|
|
static reloc_howto_type *
|
| 1370 |
|
|
sh_elf64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
| 1371 |
|
|
bfd_reloc_code_real_type code)
|
| 1372 |
|
|
{
|
| 1373 |
|
|
unsigned int i;
|
| 1374 |
|
|
|
| 1375 |
|
|
for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++)
|
| 1376 |
|
|
{
|
| 1377 |
|
|
if (sh64_reloc_map[i].bfd_reloc_val == code)
|
| 1378 |
|
|
return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val];
|
| 1379 |
|
|
}
|
| 1380 |
|
|
|
| 1381 |
|
|
return NULL;
|
| 1382 |
|
|
}
|
| 1383 |
|
|
|
| 1384 |
|
|
static reloc_howto_type *
|
| 1385 |
|
|
sh_elf64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
| 1386 |
|
|
const char *r_name)
|
| 1387 |
|
|
{
|
| 1388 |
|
|
unsigned int i;
|
| 1389 |
|
|
|
| 1390 |
|
|
for (i = 0;
|
| 1391 |
|
|
i < sizeof (sh_elf64_howto_table) / sizeof (sh_elf64_howto_table[0]);
|
| 1392 |
|
|
i++)
|
| 1393 |
|
|
if (sh_elf64_howto_table[i].name != NULL
|
| 1394 |
|
|
&& strcasecmp (sh_elf64_howto_table[i].name, r_name) == 0)
|
| 1395 |
|
|
return &sh_elf64_howto_table[i];
|
| 1396 |
|
|
|
| 1397 |
|
|
return NULL;
|
| 1398 |
|
|
}
|
| 1399 |
|
|
|
| 1400 |
|
|
/* Given an ELF reloc, fill in the howto field of a relent.
|
| 1401 |
|
|
|
| 1402 |
|
|
See sh_elf_info_to_howto in elf32-sh.c for the original. */
|
| 1403 |
|
|
|
| 1404 |
|
|
static void
|
| 1405 |
|
|
sh_elf64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
|
| 1406 |
|
|
Elf_Internal_Rela *dst)
|
| 1407 |
|
|
{
|
| 1408 |
|
|
unsigned int r;
|
| 1409 |
|
|
|
| 1410 |
|
|
r = ELF64_R_TYPE (dst->r_info);
|
| 1411 |
|
|
|
| 1412 |
|
|
BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL);
|
| 1413 |
|
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC);
|
| 1414 |
|
|
BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2);
|
| 1415 |
|
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32);
|
| 1416 |
|
|
BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4);
|
| 1417 |
|
|
|
| 1418 |
|
|
cache_ptr->howto = &sh_elf64_howto_table[r];
|
| 1419 |
|
|
}
|
| 1420 |
|
|
|
| 1421 |
|
|
/* Relocate an SH ELF section.
|
| 1422 |
|
|
|
| 1423 |
|
|
See sh_elf_info_to_howto in elf32-sh.c for the original. */
|
| 1424 |
|
|
|
| 1425 |
|
|
static bfd_boolean
|
| 1426 |
|
|
sh_elf64_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
|
| 1427 |
|
|
struct bfd_link_info *info, bfd *input_bfd,
|
| 1428 |
|
|
asection *input_section, bfd_byte *contents,
|
| 1429 |
|
|
Elf_Internal_Rela *relocs,
|
| 1430 |
|
|
Elf_Internal_Sym *local_syms,
|
| 1431 |
|
|
asection **local_sections)
|
| 1432 |
|
|
{
|
| 1433 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
| 1434 |
|
|
struct elf_link_hash_entry **sym_hashes;
|
| 1435 |
|
|
Elf_Internal_Rela *rel, *relend;
|
| 1436 |
|
|
bfd *dynobj;
|
| 1437 |
|
|
bfd_vma *local_got_offsets;
|
| 1438 |
|
|
asection *sgot;
|
| 1439 |
|
|
asection *sgotplt;
|
| 1440 |
|
|
asection *splt;
|
| 1441 |
|
|
asection *sreloc;
|
| 1442 |
|
|
bfd_vma disp, dropped;
|
| 1443 |
|
|
|
| 1444 |
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
| 1445 |
|
|
sym_hashes = elf_sym_hashes (input_bfd);
|
| 1446 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 1447 |
|
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
| 1448 |
|
|
|
| 1449 |
|
|
sgot = NULL;
|
| 1450 |
|
|
sgotplt = NULL;
|
| 1451 |
|
|
splt = NULL;
|
| 1452 |
|
|
sreloc = NULL;
|
| 1453 |
|
|
|
| 1454 |
|
|
rel = relocs;
|
| 1455 |
|
|
relend = relocs + input_section->reloc_count;
|
| 1456 |
|
|
for (; rel < relend; rel++)
|
| 1457 |
|
|
{
|
| 1458 |
|
|
int r_type;
|
| 1459 |
|
|
reloc_howto_type *howto;
|
| 1460 |
|
|
unsigned long r_symndx;
|
| 1461 |
|
|
Elf_Internal_Sym *sym;
|
| 1462 |
|
|
asection *sec;
|
| 1463 |
|
|
struct elf_link_hash_entry *h;
|
| 1464 |
|
|
bfd_vma relocation;
|
| 1465 |
|
|
bfd_vma addend = (bfd_vma)0;
|
| 1466 |
|
|
bfd_reloc_status_type r;
|
| 1467 |
|
|
int seen_stt_datalabel = 0;
|
| 1468 |
|
|
|
| 1469 |
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
| 1470 |
|
|
|
| 1471 |
|
|
r_type = ELF64_R_TYPE (rel->r_info);
|
| 1472 |
|
|
|
| 1473 |
|
|
if (r_type == (int) R_SH_NONE)
|
| 1474 |
|
|
continue;
|
| 1475 |
|
|
|
| 1476 |
|
|
if (r_type < 0
|
| 1477 |
|
|
|| r_type > R_SH_64_PCREL
|
| 1478 |
|
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC
|
| 1479 |
|
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC)
|
| 1480 |
|
|
|| (r_type >= (int) R_SH_DIR8WPN
|
| 1481 |
|
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC)
|
| 1482 |
|
|
|| (r_type >= (int) R_SH_GNU_VTINHERIT
|
| 1483 |
|
|
&& r_type <= (int) R_SH_PSHL)
|
| 1484 |
|
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2
|
| 1485 |
|
|
&& r_type <= R_SH_GOTPLT32)
|
| 1486 |
|
|
|| (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4
|
| 1487 |
|
|
&& r_type <= (int) R_SH_LAST_INVALID_RELOC_4))
|
| 1488 |
|
|
{
|
| 1489 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 1490 |
|
|
return FALSE;
|
| 1491 |
|
|
}
|
| 1492 |
|
|
|
| 1493 |
|
|
howto = sh_elf64_howto_table + r_type;
|
| 1494 |
|
|
|
| 1495 |
|
|
h = NULL;
|
| 1496 |
|
|
sym = NULL;
|
| 1497 |
|
|
sec = NULL;
|
| 1498 |
|
|
relocation = 0;
|
| 1499 |
|
|
if (r_symndx < symtab_hdr->sh_info)
|
| 1500 |
|
|
{
|
| 1501 |
|
|
sym = local_syms + r_symndx;
|
| 1502 |
|
|
sec = local_sections[r_symndx];
|
| 1503 |
|
|
relocation = ((sec->output_section->vma
|
| 1504 |
|
|
+ sec->output_offset
|
| 1505 |
|
|
+ sym->st_value)
|
| 1506 |
|
|
| ((sym->st_other & STO_SH5_ISA32) != 0));
|
| 1507 |
|
|
|
| 1508 |
|
|
/* A local symbol never has STO_SH5_ISA32, so we don't need
|
| 1509 |
|
|
datalabel processing here. Make sure this does not change
|
| 1510 |
|
|
without notice. */
|
| 1511 |
|
|
if ((sym->st_other & STO_SH5_ISA32) != 0)
|
| 1512 |
|
|
((*info->callbacks->reloc_dangerous)
|
| 1513 |
|
|
(info,
|
| 1514 |
|
|
_("Unexpected STO_SH5_ISA32 on local symbol is not handled"),
|
| 1515 |
|
|
input_bfd, input_section, rel->r_offset));
|
| 1516 |
|
|
|
| 1517 |
|
|
if (sec != NULL && elf_discarded_section (sec))
|
| 1518 |
|
|
/* Handled below. */
|
| 1519 |
|
|
;
|
| 1520 |
|
|
else if (info->relocatable)
|
| 1521 |
|
|
{
|
| 1522 |
|
|
/* This is a relocatable link. We don't have to change
|
| 1523 |
|
|
anything, unless the reloc is against a section symbol,
|
| 1524 |
|
|
in which case we have to adjust according to where the
|
| 1525 |
|
|
section symbol winds up in the output section. */
|
| 1526 |
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
| 1527 |
|
|
goto final_link_relocate;
|
| 1528 |
|
|
|
| 1529 |
|
|
continue;
|
| 1530 |
|
|
}
|
| 1531 |
|
|
else if (! howto->partial_inplace)
|
| 1532 |
|
|
{
|
| 1533 |
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
| 1534 |
|
|
relocation |= ((sym->st_other & STO_SH5_ISA32) != 0);
|
| 1535 |
|
|
}
|
| 1536 |
|
|
else if ((sec->flags & SEC_MERGE)
|
| 1537 |
|
|
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
| 1538 |
|
|
{
|
| 1539 |
|
|
asection *msec;
|
| 1540 |
|
|
|
| 1541 |
|
|
if (howto->rightshift || howto->src_mask != 0xffffffff)
|
| 1542 |
|
|
{
|
| 1543 |
|
|
(*_bfd_error_handler)
|
| 1544 |
|
|
(_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
|
| 1545 |
|
|
input_bfd, input_section,
|
| 1546 |
|
|
(long) rel->r_offset, howto->name);
|
| 1547 |
|
|
return FALSE;
|
| 1548 |
|
|
}
|
| 1549 |
|
|
|
| 1550 |
|
|
addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
| 1551 |
|
|
msec = sec;
|
| 1552 |
|
|
addend =
|
| 1553 |
|
|
_bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend)
|
| 1554 |
|
|
- relocation;
|
| 1555 |
|
|
addend += msec->output_section->vma + msec->output_offset;
|
| 1556 |
|
|
bfd_put_32 (input_bfd, addend, contents + rel->r_offset);
|
| 1557 |
|
|
addend = 0;
|
| 1558 |
|
|
}
|
| 1559 |
|
|
}
|
| 1560 |
|
|
else
|
| 1561 |
|
|
{
|
| 1562 |
|
|
/* ??? Could we use the RELOC_FOR_GLOBAL_SYMBOL macro here ? */
|
| 1563 |
|
|
|
| 1564 |
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
| 1565 |
|
|
while (h->root.type == bfd_link_hash_indirect
|
| 1566 |
|
|
|| h->root.type == bfd_link_hash_warning)
|
| 1567 |
|
|
{
|
| 1568 |
|
|
/* If the reference passes a symbol marked with
|
| 1569 |
|
|
STT_DATALABEL, then any STO_SH5_ISA32 on the final value
|
| 1570 |
|
|
doesn't count. */
|
| 1571 |
|
|
seen_stt_datalabel |= h->type == STT_DATALABEL;
|
| 1572 |
|
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
| 1573 |
|
|
}
|
| 1574 |
|
|
|
| 1575 |
|
|
if (h->root.type == bfd_link_hash_defined
|
| 1576 |
|
|
|| h->root.type == bfd_link_hash_defweak)
|
| 1577 |
|
|
{
|
| 1578 |
|
|
sec = h->root.u.def.section;
|
| 1579 |
|
|
/* In these cases, we don't need the relocation value.
|
| 1580 |
|
|
We check specially because in some obscure cases
|
| 1581 |
|
|
sec->output_section will be NULL. */
|
| 1582 |
|
|
if (r_type == R_SH_GOTPC_LOW16
|
| 1583 |
|
|
|| r_type == R_SH_GOTPC_MEDLOW16
|
| 1584 |
|
|
|| r_type == R_SH_GOTPC_MEDHI16
|
| 1585 |
|
|
|| r_type == R_SH_GOTPC_HI16
|
| 1586 |
|
|
|| ((r_type == R_SH_PLT_LOW16
|
| 1587 |
|
|
|| r_type == R_SH_PLT_MEDLOW16
|
| 1588 |
|
|
|| r_type == R_SH_PLT_MEDHI16
|
| 1589 |
|
|
|| r_type == R_SH_PLT_HI16)
|
| 1590 |
|
|
&& h->plt.offset != (bfd_vma) -1)
|
| 1591 |
|
|
|| ((r_type == R_SH_GOT_LOW16
|
| 1592 |
|
|
|| r_type == R_SH_GOT_MEDLOW16
|
| 1593 |
|
|
|| r_type == R_SH_GOT_MEDHI16
|
| 1594 |
|
|
|| r_type == R_SH_GOT_HI16)
|
| 1595 |
|
|
&& elf_hash_table (info)->dynamic_sections_created
|
| 1596 |
|
|
&& (! info->shared
|
| 1597 |
|
|
|| (! info->symbolic && h->dynindx != -1)
|
| 1598 |
|
|
|| !h->def_regular))
|
| 1599 |
|
|
/* The cases above are those in which relocation is
|
| 1600 |
|
|
overwritten in the switch block below. The cases
|
| 1601 |
|
|
below are those in which we must defer relocation
|
| 1602 |
|
|
to run-time, because we can't resolve absolute
|
| 1603 |
|
|
addresses when creating a shared library. */
|
| 1604 |
|
|
|| (info->shared
|
| 1605 |
|
|
&& ((! info->symbolic && h->dynindx != -1)
|
| 1606 |
|
|
|| !h->def_regular)
|
| 1607 |
|
|
&& ((r_type == R_SH_64
|
| 1608 |
|
|
&& !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 1609 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN))
|
| 1610 |
|
|
|| r_type == R_SH_64_PCREL)
|
| 1611 |
|
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
| 1612 |
|
|
/* DWARF will emit R_SH_DIR32 relocations in its
|
| 1613 |
|
|
sections against symbols defined externally
|
| 1614 |
|
|
in shared libraries. We can't do anything
|
| 1615 |
|
|
with them here. */
|
| 1616 |
|
|
|| (input_section->flags & SEC_DEBUGGING) != 0))
|
| 1617 |
|
|
/* Dynamic relocs are not propagated for SEC_DEBUGGING
|
| 1618 |
|
|
sections because such sections are not SEC_ALLOC and
|
| 1619 |
|
|
thus ld.so will not process them. */
|
| 1620 |
|
|
|| (sec->output_section == NULL
|
| 1621 |
|
|
&& ((input_section->flags & SEC_DEBUGGING) != 0
|
| 1622 |
|
|
&& h->def_dynamic)))
|
| 1623 |
|
|
;
|
| 1624 |
|
|
else if (sec->output_section != NULL)
|
| 1625 |
|
|
relocation = ((h->root.u.def.value
|
| 1626 |
|
|
+ sec->output_section->vma
|
| 1627 |
|
|
+ sec->output_offset)
|
| 1628 |
|
|
/* A STO_SH5_ISA32 causes a "bitor 1" to the
|
| 1629 |
|
|
symbol value, unless we've seen
|
| 1630 |
|
|
STT_DATALABEL on the way to it. */
|
| 1631 |
|
|
| ((h->other & STO_SH5_ISA32) != 0
|
| 1632 |
|
|
&& ! seen_stt_datalabel));
|
| 1633 |
|
|
else if (!info->relocatable)
|
| 1634 |
|
|
{
|
| 1635 |
|
|
(*_bfd_error_handler)
|
| 1636 |
|
|
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
|
| 1637 |
|
|
input_bfd,
|
| 1638 |
|
|
input_section,
|
| 1639 |
|
|
(long) rel->r_offset,
|
| 1640 |
|
|
howto->name,
|
| 1641 |
|
|
h->root.root.string);
|
| 1642 |
|
|
}
|
| 1643 |
|
|
}
|
| 1644 |
|
|
else if (h->root.type == bfd_link_hash_undefweak)
|
| 1645 |
|
|
;
|
| 1646 |
|
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
| 1647 |
|
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
| 1648 |
|
|
;
|
| 1649 |
|
|
else if (!info->relocatable)
|
| 1650 |
|
|
{
|
| 1651 |
|
|
if (! ((*info->callbacks->undefined_symbol)
|
| 1652 |
|
|
(info, h->root.root.string, input_bfd,
|
| 1653 |
|
|
input_section, rel->r_offset,
|
| 1654 |
|
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|
| 1655 |
|
|
|| ELF_ST_VISIBILITY (h->other)))))
|
| 1656 |
|
|
return FALSE;
|
| 1657 |
|
|
}
|
| 1658 |
|
|
}
|
| 1659 |
|
|
|
| 1660 |
|
|
if (sec != NULL && elf_discarded_section (sec))
|
| 1661 |
|
|
{
|
| 1662 |
|
|
/* For relocs against symbols from removed linkonce sections,
|
| 1663 |
|
|
or sections discarded by a linker script, we just want the
|
| 1664 |
|
|
section contents zeroed. Avoid any special processing. */
|
| 1665 |
|
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
| 1666 |
|
|
rel->r_info = 0;
|
| 1667 |
|
|
rel->r_addend = 0;
|
| 1668 |
|
|
continue;
|
| 1669 |
|
|
}
|
| 1670 |
|
|
|
| 1671 |
|
|
if (info->relocatable)
|
| 1672 |
|
|
continue;
|
| 1673 |
|
|
|
| 1674 |
|
|
disp = (relocation
|
| 1675 |
|
|
- input_section->output_section->vma
|
| 1676 |
|
|
- input_section->output_offset
|
| 1677 |
|
|
- rel->r_offset);
|
| 1678 |
|
|
dropped = 0;
|
| 1679 |
|
|
switch ((int)r_type)
|
| 1680 |
|
|
{
|
| 1681 |
|
|
case R_SH_PT_16: dropped = disp & 2; break;
|
| 1682 |
|
|
case R_SH_DIR10SW: dropped = disp & 1; break;
|
| 1683 |
|
|
case R_SH_DIR10SL: dropped = disp & 3; break;
|
| 1684 |
|
|
case R_SH_DIR10SQ: dropped = disp & 7; break;
|
| 1685 |
|
|
}
|
| 1686 |
|
|
if (dropped != 0)
|
| 1687 |
|
|
{
|
| 1688 |
|
|
(*_bfd_error_handler)
|
| 1689 |
|
|
(_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
|
| 1690 |
|
|
bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation);
|
| 1691 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 1692 |
|
|
return FALSE;
|
| 1693 |
|
|
}
|
| 1694 |
|
|
switch ((int)r_type)
|
| 1695 |
|
|
{
|
| 1696 |
|
|
case R_SH_64:
|
| 1697 |
|
|
case R_SH_64_PCREL:
|
| 1698 |
|
|
if (info->shared
|
| 1699 |
|
|
&& (input_section->flags & SEC_ALLOC) != 0
|
| 1700 |
|
|
&& (r_type != R_SH_64_PCREL
|
| 1701 |
|
|
|| (h != NULL
|
| 1702 |
|
|
&& h->dynindx != -1
|
| 1703 |
|
|
&& (! info->symbolic
|
| 1704 |
|
|
|| !h->def_regular))))
|
| 1705 |
|
|
{
|
| 1706 |
|
|
Elf_Internal_Rela outrel;
|
| 1707 |
|
|
bfd_byte *loc;
|
| 1708 |
|
|
bfd_boolean skip, relocate;
|
| 1709 |
|
|
|
| 1710 |
|
|
/* When generating a shared object, these relocations
|
| 1711 |
|
|
are copied into the output file to be resolved at run
|
| 1712 |
|
|
time. */
|
| 1713 |
|
|
|
| 1714 |
|
|
if (sreloc == NULL)
|
| 1715 |
|
|
{
|
| 1716 |
|
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
| 1717 |
|
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
| 1718 |
|
|
if (sreloc == NULL)
|
| 1719 |
|
|
return FALSE;
|
| 1720 |
|
|
}
|
| 1721 |
|
|
|
| 1722 |
|
|
skip = FALSE;
|
| 1723 |
|
|
relocate = FALSE;
|
| 1724 |
|
|
|
| 1725 |
|
|
outrel.r_offset
|
| 1726 |
|
|
= _bfd_elf_section_offset (output_bfd, info,
|
| 1727 |
|
|
input_section, rel->r_offset);
|
| 1728 |
|
|
|
| 1729 |
|
|
if (outrel.r_offset == (bfd_vma) -1)
|
| 1730 |
|
|
skip = TRUE;
|
| 1731 |
|
|
else if (outrel.r_offset == (bfd_vma) -2)
|
| 1732 |
|
|
skip = TRUE, relocate = TRUE;
|
| 1733 |
|
|
|
| 1734 |
|
|
outrel.r_offset += (input_section->output_section->vma
|
| 1735 |
|
|
+ input_section->output_offset);
|
| 1736 |
|
|
|
| 1737 |
|
|
if (skip)
|
| 1738 |
|
|
memset (&outrel, 0, sizeof outrel);
|
| 1739 |
|
|
else if (r_type == R_SH_64_PCREL)
|
| 1740 |
|
|
{
|
| 1741 |
|
|
BFD_ASSERT (h != NULL && h->dynindx != -1);
|
| 1742 |
|
|
outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL);
|
| 1743 |
|
|
outrel.r_addend = rel->r_addend;
|
| 1744 |
|
|
}
|
| 1745 |
|
|
else
|
| 1746 |
|
|
{
|
| 1747 |
|
|
/* h->dynindx may be -1 if this symbol was marked to
|
| 1748 |
|
|
become local. */
|
| 1749 |
|
|
if (h == NULL
|
| 1750 |
|
|
|| ((info->symbolic || h->dynindx == -1)
|
| 1751 |
|
|
&& h->def_regular))
|
| 1752 |
|
|
{
|
| 1753 |
|
|
relocate = TRUE;
|
| 1754 |
|
|
outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
|
| 1755 |
|
|
outrel.r_addend = relocation + rel->r_addend;
|
| 1756 |
|
|
}
|
| 1757 |
|
|
else
|
| 1758 |
|
|
{
|
| 1759 |
|
|
BFD_ASSERT (h->dynindx != -1);
|
| 1760 |
|
|
outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64);
|
| 1761 |
|
|
outrel.r_addend = relocation + rel->r_addend;
|
| 1762 |
|
|
}
|
| 1763 |
|
|
}
|
| 1764 |
|
|
|
| 1765 |
|
|
loc = sreloc->contents;
|
| 1766 |
|
|
loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela);
|
| 1767 |
|
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
| 1768 |
|
|
|
| 1769 |
|
|
/* If this reloc is against an external symbol, we do
|
| 1770 |
|
|
not want to fiddle with the addend. Otherwise, we
|
| 1771 |
|
|
need to include the symbol value so that it becomes
|
| 1772 |
|
|
an addend for the dynamic reloc. */
|
| 1773 |
|
|
if (! relocate)
|
| 1774 |
|
|
continue;
|
| 1775 |
|
|
}
|
| 1776 |
|
|
else if (r_type == R_SH_64)
|
| 1777 |
|
|
addend = rel->r_addend;
|
| 1778 |
|
|
goto final_link_relocate;
|
| 1779 |
|
|
|
| 1780 |
|
|
case R_SH_GOTPLT_LOW16:
|
| 1781 |
|
|
case R_SH_GOTPLT_MEDLOW16:
|
| 1782 |
|
|
case R_SH_GOTPLT_MEDHI16:
|
| 1783 |
|
|
case R_SH_GOTPLT_HI16:
|
| 1784 |
|
|
case R_SH_GOTPLT10BY4:
|
| 1785 |
|
|
case R_SH_GOTPLT10BY8:
|
| 1786 |
|
|
/* Relocation is to the entry for this symbol in the
|
| 1787 |
|
|
procedure linkage table. */
|
| 1788 |
|
|
|
| 1789 |
|
|
if (h == NULL
|
| 1790 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 1791 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
| 1792 |
|
|
|| ! info->shared
|
| 1793 |
|
|
|| info->symbolic
|
| 1794 |
|
|
|| h->dynindx == -1
|
| 1795 |
|
|
|| h->plt.offset == (bfd_vma) -1
|
| 1796 |
|
|
|| h->got.offset != (bfd_vma) -1)
|
| 1797 |
|
|
goto force_got;
|
| 1798 |
|
|
|
| 1799 |
|
|
/* Relocation is to the entry for this symbol in the global
|
| 1800 |
|
|
offset table extension for the procedure linkage table. */
|
| 1801 |
|
|
if (sgotplt == NULL)
|
| 1802 |
|
|
{
|
| 1803 |
|
|
sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
|
| 1804 |
|
|
BFD_ASSERT (sgotplt != NULL);
|
| 1805 |
|
|
}
|
| 1806 |
|
|
|
| 1807 |
|
|
relocation = (sgotplt->output_offset
|
| 1808 |
|
|
+ ((h->plt.offset / elf_sh64_sizeof_plt (info)
|
| 1809 |
|
|
- 1 + 3) * 8));
|
| 1810 |
|
|
|
| 1811 |
|
|
relocation -= GOT_BIAS;
|
| 1812 |
|
|
|
| 1813 |
|
|
goto final_link_relocate;
|
| 1814 |
|
|
|
| 1815 |
|
|
force_got:
|
| 1816 |
|
|
case R_SH_GOT_LOW16:
|
| 1817 |
|
|
case R_SH_GOT_MEDLOW16:
|
| 1818 |
|
|
case R_SH_GOT_MEDHI16:
|
| 1819 |
|
|
case R_SH_GOT_HI16:
|
| 1820 |
|
|
case R_SH_GOT10BY4:
|
| 1821 |
|
|
case R_SH_GOT10BY8:
|
| 1822 |
|
|
/* Relocation is to the entry for this symbol in the global
|
| 1823 |
|
|
offset table. */
|
| 1824 |
|
|
if (sgot == NULL)
|
| 1825 |
|
|
{
|
| 1826 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
| 1827 |
|
|
BFD_ASSERT (sgot != NULL);
|
| 1828 |
|
|
}
|
| 1829 |
|
|
|
| 1830 |
|
|
if (h != NULL)
|
| 1831 |
|
|
{
|
| 1832 |
|
|
bfd_vma off;
|
| 1833 |
|
|
|
| 1834 |
|
|
off = h->got.offset;
|
| 1835 |
|
|
if (seen_stt_datalabel)
|
| 1836 |
|
|
{
|
| 1837 |
|
|
struct elf_sh64_link_hash_entry *hsh;
|
| 1838 |
|
|
|
| 1839 |
|
|
hsh = (struct elf_sh64_link_hash_entry *)h;
|
| 1840 |
|
|
off = hsh->datalabel_got_offset;
|
| 1841 |
|
|
}
|
| 1842 |
|
|
BFD_ASSERT (off != (bfd_vma) -1);
|
| 1843 |
|
|
|
| 1844 |
|
|
if (! elf_hash_table (info)->dynamic_sections_created
|
| 1845 |
|
|
|| (info->shared
|
| 1846 |
|
|
&& (info->symbolic || h->dynindx == -1
|
| 1847 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 1848 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
|
| 1849 |
|
|
&& h->def_regular))
|
| 1850 |
|
|
{
|
| 1851 |
|
|
/* This is actually a static link, or it is a
|
| 1852 |
|
|
-Bsymbolic link and the symbol is defined
|
| 1853 |
|
|
locally, or the symbol was forced to be local
|
| 1854 |
|
|
because of a version file. We must initialize
|
| 1855 |
|
|
this entry in the global offset table. Since the
|
| 1856 |
|
|
offset must always be a multiple of 4, we use the
|
| 1857 |
|
|
least significant bit to record whether we have
|
| 1858 |
|
|
initialized it already.
|
| 1859 |
|
|
|
| 1860 |
|
|
When doing a dynamic link, we create a .rela.got
|
| 1861 |
|
|
relocation entry to initialize the value. This
|
| 1862 |
|
|
is done in the finish_dynamic_symbol routine. */
|
| 1863 |
|
|
if ((off & 1) != 0)
|
| 1864 |
|
|
off &= ~1;
|
| 1865 |
|
|
else
|
| 1866 |
|
|
{
|
| 1867 |
|
|
bfd_put_64 (output_bfd, relocation,
|
| 1868 |
|
|
sgot->contents + off);
|
| 1869 |
|
|
if (seen_stt_datalabel)
|
| 1870 |
|
|
{
|
| 1871 |
|
|
struct elf_sh64_link_hash_entry *hsh;
|
| 1872 |
|
|
|
| 1873 |
|
|
hsh = (struct elf_sh64_link_hash_entry *)h;
|
| 1874 |
|
|
hsh->datalabel_got_offset |= 1;
|
| 1875 |
|
|
}
|
| 1876 |
|
|
else
|
| 1877 |
|
|
h->got.offset |= 1;
|
| 1878 |
|
|
}
|
| 1879 |
|
|
}
|
| 1880 |
|
|
|
| 1881 |
|
|
relocation = sgot->output_offset + off;
|
| 1882 |
|
|
}
|
| 1883 |
|
|
else
|
| 1884 |
|
|
{
|
| 1885 |
|
|
bfd_vma off;
|
| 1886 |
|
|
|
| 1887 |
|
|
if (rel->r_addend)
|
| 1888 |
|
|
{
|
| 1889 |
|
|
BFD_ASSERT (local_got_offsets != NULL
|
| 1890 |
|
|
&& (local_got_offsets[symtab_hdr->sh_info
|
| 1891 |
|
|
+ r_symndx]
|
| 1892 |
|
|
!= (bfd_vma) -1));
|
| 1893 |
|
|
|
| 1894 |
|
|
off = local_got_offsets[symtab_hdr->sh_info
|
| 1895 |
|
|
+ r_symndx];
|
| 1896 |
|
|
}
|
| 1897 |
|
|
else
|
| 1898 |
|
|
{
|
| 1899 |
|
|
BFD_ASSERT (local_got_offsets != NULL
|
| 1900 |
|
|
&& local_got_offsets[r_symndx] != (bfd_vma) -1);
|
| 1901 |
|
|
|
| 1902 |
|
|
off = local_got_offsets[r_symndx];
|
| 1903 |
|
|
}
|
| 1904 |
|
|
|
| 1905 |
|
|
/* The offset must always be a multiple of 8. We use
|
| 1906 |
|
|
the least significant bit to record whether we have
|
| 1907 |
|
|
already generated the necessary reloc. */
|
| 1908 |
|
|
if ((off & 1) != 0)
|
| 1909 |
|
|
off &= ~1;
|
| 1910 |
|
|
else
|
| 1911 |
|
|
{
|
| 1912 |
|
|
bfd_put_64 (output_bfd, relocation, sgot->contents + off);
|
| 1913 |
|
|
|
| 1914 |
|
|
if (info->shared)
|
| 1915 |
|
|
{
|
| 1916 |
|
|
asection *s;
|
| 1917 |
|
|
Elf_Internal_Rela outrel;
|
| 1918 |
|
|
bfd_byte *loc;
|
| 1919 |
|
|
|
| 1920 |
|
|
s = bfd_get_section_by_name (dynobj, ".rela.got");
|
| 1921 |
|
|
BFD_ASSERT (s != NULL);
|
| 1922 |
|
|
|
| 1923 |
|
|
outrel.r_offset = (sgot->output_section->vma
|
| 1924 |
|
|
+ sgot->output_offset
|
| 1925 |
|
|
+ off);
|
| 1926 |
|
|
outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
|
| 1927 |
|
|
outrel.r_addend = relocation;
|
| 1928 |
|
|
loc = s->contents;
|
| 1929 |
|
|
loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
|
| 1930 |
|
|
bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc);
|
| 1931 |
|
|
}
|
| 1932 |
|
|
|
| 1933 |
|
|
if (rel->r_addend)
|
| 1934 |
|
|
local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1;
|
| 1935 |
|
|
else
|
| 1936 |
|
|
local_got_offsets[r_symndx] |= 1;
|
| 1937 |
|
|
}
|
| 1938 |
|
|
|
| 1939 |
|
|
relocation = sgot->output_offset + off;
|
| 1940 |
|
|
}
|
| 1941 |
|
|
|
| 1942 |
|
|
relocation -= GOT_BIAS;
|
| 1943 |
|
|
|
| 1944 |
|
|
goto final_link_relocate;
|
| 1945 |
|
|
|
| 1946 |
|
|
case R_SH_GOTOFF_LOW16:
|
| 1947 |
|
|
case R_SH_GOTOFF_MEDLOW16:
|
| 1948 |
|
|
case R_SH_GOTOFF_MEDHI16:
|
| 1949 |
|
|
case R_SH_GOTOFF_HI16:
|
| 1950 |
|
|
/* Relocation is relative to the start of the global offset
|
| 1951 |
|
|
table. */
|
| 1952 |
|
|
|
| 1953 |
|
|
if (sgot == NULL)
|
| 1954 |
|
|
{
|
| 1955 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
| 1956 |
|
|
BFD_ASSERT (sgot != NULL);
|
| 1957 |
|
|
}
|
| 1958 |
|
|
|
| 1959 |
|
|
/* Note that sgot->output_offset is not involved in this
|
| 1960 |
|
|
calculation. We always want the start of .got. If we
|
| 1961 |
|
|
defined _GLOBAL_OFFSET_TABLE in a different way, as is
|
| 1962 |
|
|
permitted by the ABI, we might have to change this
|
| 1963 |
|
|
calculation. */
|
| 1964 |
|
|
relocation -= sgot->output_section->vma;
|
| 1965 |
|
|
|
| 1966 |
|
|
relocation -= GOT_BIAS;
|
| 1967 |
|
|
|
| 1968 |
|
|
addend = rel->r_addend;
|
| 1969 |
|
|
|
| 1970 |
|
|
goto final_link_relocate;
|
| 1971 |
|
|
|
| 1972 |
|
|
case R_SH_GOTPC_LOW16:
|
| 1973 |
|
|
case R_SH_GOTPC_MEDLOW16:
|
| 1974 |
|
|
case R_SH_GOTPC_MEDHI16:
|
| 1975 |
|
|
case R_SH_GOTPC_HI16:
|
| 1976 |
|
|
/* Use global offset table as symbol value. */
|
| 1977 |
|
|
|
| 1978 |
|
|
if (sgot == NULL)
|
| 1979 |
|
|
{
|
| 1980 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
| 1981 |
|
|
BFD_ASSERT (sgot != NULL);
|
| 1982 |
|
|
}
|
| 1983 |
|
|
|
| 1984 |
|
|
relocation = sgot->output_section->vma;
|
| 1985 |
|
|
|
| 1986 |
|
|
relocation += GOT_BIAS;
|
| 1987 |
|
|
|
| 1988 |
|
|
addend = rel->r_addend;
|
| 1989 |
|
|
|
| 1990 |
|
|
goto final_link_relocate;
|
| 1991 |
|
|
|
| 1992 |
|
|
case R_SH_PLT_LOW16:
|
| 1993 |
|
|
case R_SH_PLT_MEDLOW16:
|
| 1994 |
|
|
case R_SH_PLT_MEDHI16:
|
| 1995 |
|
|
case R_SH_PLT_HI16:
|
| 1996 |
|
|
/* Relocation is to the entry for this symbol in the
|
| 1997 |
|
|
procedure linkage table. */
|
| 1998 |
|
|
|
| 1999 |
|
|
/* Resolve a PLT reloc against a local symbol directly,
|
| 2000 |
|
|
without using the procedure linkage table. */
|
| 2001 |
|
|
if (h == NULL)
|
| 2002 |
|
|
goto final_link_relocate;
|
| 2003 |
|
|
|
| 2004 |
|
|
if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 2005 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
|
| 2006 |
|
|
goto final_link_relocate;
|
| 2007 |
|
|
|
| 2008 |
|
|
if (h->plt.offset == (bfd_vma) -1)
|
| 2009 |
|
|
{
|
| 2010 |
|
|
/* We didn't make a PLT entry for this symbol. This
|
| 2011 |
|
|
happens when statically linking PIC code, or when
|
| 2012 |
|
|
using -Bsymbolic. */
|
| 2013 |
|
|
goto final_link_relocate;
|
| 2014 |
|
|
}
|
| 2015 |
|
|
|
| 2016 |
|
|
if (splt == NULL)
|
| 2017 |
|
|
{
|
| 2018 |
|
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
| 2019 |
|
|
BFD_ASSERT (splt != NULL);
|
| 2020 |
|
|
}
|
| 2021 |
|
|
|
| 2022 |
|
|
relocation = (splt->output_section->vma
|
| 2023 |
|
|
+ splt->output_offset
|
| 2024 |
|
|
+ h->plt.offset);
|
| 2025 |
|
|
relocation++;
|
| 2026 |
|
|
|
| 2027 |
|
|
addend = rel->r_addend;
|
| 2028 |
|
|
|
| 2029 |
|
|
goto final_link_relocate;
|
| 2030 |
|
|
|
| 2031 |
|
|
case R_SH_DIR32:
|
| 2032 |
|
|
case R_SH_SHMEDIA_CODE:
|
| 2033 |
|
|
case R_SH_PT_16:
|
| 2034 |
|
|
case R_SH_DIR5U:
|
| 2035 |
|
|
case R_SH_DIR6S:
|
| 2036 |
|
|
case R_SH_DIR6U:
|
| 2037 |
|
|
case R_SH_DIR10S:
|
| 2038 |
|
|
case R_SH_DIR10SW:
|
| 2039 |
|
|
case R_SH_DIR10SL:
|
| 2040 |
|
|
case R_SH_DIR10SQ:
|
| 2041 |
|
|
case R_SH_IMMS16:
|
| 2042 |
|
|
case R_SH_IMMU16:
|
| 2043 |
|
|
case R_SH_IMM_LOW16:
|
| 2044 |
|
|
case R_SH_IMM_LOW16_PCREL:
|
| 2045 |
|
|
case R_SH_IMM_MEDLOW16:
|
| 2046 |
|
|
case R_SH_IMM_MEDLOW16_PCREL:
|
| 2047 |
|
|
case R_SH_IMM_MEDHI16:
|
| 2048 |
|
|
case R_SH_IMM_MEDHI16_PCREL:
|
| 2049 |
|
|
case R_SH_IMM_HI16:
|
| 2050 |
|
|
case R_SH_IMM_HI16_PCREL:
|
| 2051 |
|
|
addend = rel->r_addend;
|
| 2052 |
|
|
/* Fall through. */
|
| 2053 |
|
|
case R_SH_REL32:
|
| 2054 |
|
|
final_link_relocate:
|
| 2055 |
|
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
| 2056 |
|
|
contents, rel->r_offset,
|
| 2057 |
|
|
relocation, addend);
|
| 2058 |
|
|
break;
|
| 2059 |
|
|
|
| 2060 |
|
|
default:
|
| 2061 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 2062 |
|
|
return FALSE;
|
| 2063 |
|
|
|
| 2064 |
|
|
}
|
| 2065 |
|
|
|
| 2066 |
|
|
if (r != bfd_reloc_ok)
|
| 2067 |
|
|
{
|
| 2068 |
|
|
switch (r)
|
| 2069 |
|
|
{
|
| 2070 |
|
|
default:
|
| 2071 |
|
|
case bfd_reloc_outofrange:
|
| 2072 |
|
|
abort ();
|
| 2073 |
|
|
case bfd_reloc_overflow:
|
| 2074 |
|
|
{
|
| 2075 |
|
|
const char *name;
|
| 2076 |
|
|
|
| 2077 |
|
|
if (h != NULL)
|
| 2078 |
|
|
name = NULL;
|
| 2079 |
|
|
else
|
| 2080 |
|
|
{
|
| 2081 |
|
|
name = (bfd_elf_string_from_elf_section
|
| 2082 |
|
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
| 2083 |
|
|
if (name == NULL)
|
| 2084 |
|
|
return FALSE;
|
| 2085 |
|
|
if (*name == '\0')
|
| 2086 |
|
|
name = bfd_section_name (input_bfd, sec);
|
| 2087 |
|
|
}
|
| 2088 |
|
|
if (! ((*info->callbacks->reloc_overflow)
|
| 2089 |
|
|
(info, (h ? &h->root : NULL), name, howto->name,
|
| 2090 |
|
|
(bfd_vma) 0, input_bfd, input_section,
|
| 2091 |
|
|
rel->r_offset)))
|
| 2092 |
|
|
return FALSE;
|
| 2093 |
|
|
}
|
| 2094 |
|
|
break;
|
| 2095 |
|
|
}
|
| 2096 |
|
|
}
|
| 2097 |
|
|
}
|
| 2098 |
|
|
|
| 2099 |
|
|
return TRUE;
|
| 2100 |
|
|
}
|
| 2101 |
|
|
|
| 2102 |
|
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
| 2103 |
|
|
that uses sh_elf64_relocate_section.
|
| 2104 |
|
|
|
| 2105 |
|
|
See sh_elf_relocate_section in elf32-sh.c for the original. */
|
| 2106 |
|
|
|
| 2107 |
|
|
static bfd_byte *
|
| 2108 |
|
|
sh_elf64_get_relocated_section_contents (bfd *output_bfd,
|
| 2109 |
|
|
struct bfd_link_info *link_info,
|
| 2110 |
|
|
struct bfd_link_order *link_order,
|
| 2111 |
|
|
bfd_byte *data,
|
| 2112 |
|
|
bfd_boolean relocatable,
|
| 2113 |
|
|
asymbol **symbols)
|
| 2114 |
|
|
{
|
| 2115 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
| 2116 |
|
|
asection *input_section = link_order->u.indirect.section;
|
| 2117 |
|
|
bfd *input_bfd = input_section->owner;
|
| 2118 |
|
|
asection **sections = NULL;
|
| 2119 |
|
|
Elf_Internal_Rela *internal_relocs = NULL;
|
| 2120 |
|
|
Elf_Internal_Sym *isymbuf = NULL;
|
| 2121 |
|
|
|
| 2122 |
|
|
/* We only need to handle the case of relaxing, or of having a
|
| 2123 |
|
|
particular set of section contents, specially. */
|
| 2124 |
|
|
if (relocatable
|
| 2125 |
|
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
| 2126 |
|
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
| 2127 |
|
|
link_order, data,
|
| 2128 |
|
|
relocatable,
|
| 2129 |
|
|
symbols);
|
| 2130 |
|
|
|
| 2131 |
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
| 2132 |
|
|
|
| 2133 |
|
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
| 2134 |
|
|
input_section->size);
|
| 2135 |
|
|
|
| 2136 |
|
|
if ((input_section->flags & SEC_RELOC) != 0
|
| 2137 |
|
|
&& input_section->reloc_count > 0)
|
| 2138 |
|
|
{
|
| 2139 |
|
|
Elf_Internal_Sym *isymp;
|
| 2140 |
|
|
Elf_Internal_Sym *isymend;
|
| 2141 |
|
|
asection **secpp;
|
| 2142 |
|
|
|
| 2143 |
|
|
/* Read this BFD's local symbols. */
|
| 2144 |
|
|
if (symtab_hdr->sh_info != 0)
|
| 2145 |
|
|
{
|
| 2146 |
|
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
| 2147 |
|
|
if (isymbuf == NULL)
|
| 2148 |
|
|
isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
|
| 2149 |
|
|
symtab_hdr->sh_info, 0,
|
| 2150 |
|
|
NULL, NULL, NULL);
|
| 2151 |
|
|
if (isymbuf == NULL)
|
| 2152 |
|
|
goto error_return;
|
| 2153 |
|
|
}
|
| 2154 |
|
|
|
| 2155 |
|
|
internal_relocs = (_bfd_elf_link_read_relocs
|
| 2156 |
|
|
(input_bfd, input_section, NULL,
|
| 2157 |
|
|
(Elf_Internal_Rela *) NULL, FALSE));
|
| 2158 |
|
|
if (internal_relocs == NULL)
|
| 2159 |
|
|
goto error_return;
|
| 2160 |
|
|
|
| 2161 |
|
|
sections = (asection **) bfd_malloc (symtab_hdr->sh_info
|
| 2162 |
|
|
* sizeof (asection *));
|
| 2163 |
|
|
if (sections == NULL && symtab_hdr->sh_info > 0)
|
| 2164 |
|
|
goto error_return;
|
| 2165 |
|
|
|
| 2166 |
|
|
secpp = sections;
|
| 2167 |
|
|
isymend = isymbuf + symtab_hdr->sh_info;
|
| 2168 |
|
|
for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp)
|
| 2169 |
|
|
{
|
| 2170 |
|
|
asection *isec;
|
| 2171 |
|
|
|
| 2172 |
|
|
if (isymp->st_shndx == SHN_UNDEF)
|
| 2173 |
|
|
isec = bfd_und_section_ptr;
|
| 2174 |
|
|
else if (isymp->st_shndx == SHN_ABS)
|
| 2175 |
|
|
isec = bfd_abs_section_ptr;
|
| 2176 |
|
|
else if (isymp->st_shndx == SHN_COMMON)
|
| 2177 |
|
|
isec = bfd_com_section_ptr;
|
| 2178 |
|
|
else
|
| 2179 |
|
|
isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
|
| 2180 |
|
|
|
| 2181 |
|
|
*secpp = isec;
|
| 2182 |
|
|
}
|
| 2183 |
|
|
|
| 2184 |
|
|
if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd,
|
| 2185 |
|
|
input_section, data, internal_relocs,
|
| 2186 |
|
|
isymbuf, sections))
|
| 2187 |
|
|
goto error_return;
|
| 2188 |
|
|
|
| 2189 |
|
|
if (sections != NULL)
|
| 2190 |
|
|
free (sections);
|
| 2191 |
|
|
if (internal_relocs != elf_section_data (input_section)->relocs)
|
| 2192 |
|
|
free (internal_relocs);
|
| 2193 |
|
|
if (isymbuf != NULL
|
| 2194 |
|
|
&& (unsigned char *) isymbuf != symtab_hdr->contents)
|
| 2195 |
|
|
free (isymbuf);
|
| 2196 |
|
|
}
|
| 2197 |
|
|
|
| 2198 |
|
|
return data;
|
| 2199 |
|
|
|
| 2200 |
|
|
error_return:
|
| 2201 |
|
|
if (sections != NULL)
|
| 2202 |
|
|
free (sections);
|
| 2203 |
|
|
if (internal_relocs != NULL
|
| 2204 |
|
|
&& internal_relocs != elf_section_data (input_section)->relocs)
|
| 2205 |
|
|
free (internal_relocs);
|
| 2206 |
|
|
if (isymbuf != NULL
|
| 2207 |
|
|
&& (unsigned char *) isymbuf != symtab_hdr->contents)
|
| 2208 |
|
|
free (isymbuf);
|
| 2209 |
|
|
return NULL;
|
| 2210 |
|
|
}
|
| 2211 |
|
|
|
| 2212 |
|
|
/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */
|
| 2213 |
|
|
|
| 2214 |
|
|
static bfd_boolean
|
| 2215 |
|
|
sh64_elf64_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
| 2216 |
|
|
Elf_Internal_Shdr *elf_section_hdr,
|
| 2217 |
|
|
asection *asect)
|
| 2218 |
|
|
{
|
| 2219 |
|
|
/* Code sections can only contain SH64 code, so mark them as such. */
|
| 2220 |
|
|
if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE)
|
| 2221 |
|
|
elf_section_hdr->sh_flags |= SHF_SH5_ISA32;
|
| 2222 |
|
|
|
| 2223 |
|
|
return TRUE;
|
| 2224 |
|
|
}
|
| 2225 |
|
|
|
| 2226 |
|
|
static bfd_boolean
|
| 2227 |
|
|
sh_elf64_set_mach_from_flags (bfd *abfd)
|
| 2228 |
|
|
{
|
| 2229 |
|
|
flagword flags = elf_elfheader (abfd)->e_flags;
|
| 2230 |
|
|
|
| 2231 |
|
|
switch (flags & EF_SH_MACH_MASK)
|
| 2232 |
|
|
{
|
| 2233 |
|
|
case EF_SH5:
|
| 2234 |
|
|
/* Just one, but keep the switch construct to make additions easy. */
|
| 2235 |
|
|
bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5);
|
| 2236 |
|
|
break;
|
| 2237 |
|
|
|
| 2238 |
|
|
default:
|
| 2239 |
|
|
bfd_set_error (bfd_error_wrong_format);
|
| 2240 |
|
|
return FALSE;
|
| 2241 |
|
|
}
|
| 2242 |
|
|
return TRUE;
|
| 2243 |
|
|
}
|
| 2244 |
|
|
|
| 2245 |
|
|
/* Function to keep SH64 specific file flags.
|
| 2246 |
|
|
|
| 2247 |
|
|
See sh64_elf_set_private_flags in elf32-sh64.c for the original. */
|
| 2248 |
|
|
|
| 2249 |
|
|
static bfd_boolean
|
| 2250 |
|
|
sh_elf64_set_private_flags (bfd *abfd, flagword flags)
|
| 2251 |
|
|
{
|
| 2252 |
|
|
BFD_ASSERT (! elf_flags_init (abfd)
|
| 2253 |
|
|
|| elf_elfheader (abfd)->e_flags == flags);
|
| 2254 |
|
|
|
| 2255 |
|
|
elf_elfheader (abfd)->e_flags = flags;
|
| 2256 |
|
|
elf_flags_init (abfd) = TRUE;
|
| 2257 |
|
|
return sh_elf64_set_mach_from_flags (abfd);
|
| 2258 |
|
|
}
|
| 2259 |
|
|
|
| 2260 |
|
|
/* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with
|
| 2261 |
|
|
code, to keep attributes the same as for SHmedia in 32-bit ELF. */
|
| 2262 |
|
|
|
| 2263 |
|
|
static bfd_boolean
|
| 2264 |
|
|
sh_elf64_copy_private_data_internal (bfd *ibfd, bfd *obfd)
|
| 2265 |
|
|
{
|
| 2266 |
|
|
Elf_Internal_Shdr **o_shdrp;
|
| 2267 |
|
|
asection *isec;
|
| 2268 |
|
|
asection *osec;
|
| 2269 |
|
|
|
| 2270 |
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
| 2271 |
|
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
| 2272 |
|
|
return TRUE;
|
| 2273 |
|
|
|
| 2274 |
|
|
o_shdrp = elf_elfsections (obfd);
|
| 2275 |
|
|
for (osec = obfd->sections; osec; osec = osec->next)
|
| 2276 |
|
|
{
|
| 2277 |
|
|
int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx;
|
| 2278 |
|
|
for (isec = ibfd->sections; isec; isec = isec->next)
|
| 2279 |
|
|
{
|
| 2280 |
|
|
if (strcmp (osec->name, isec->name) == 0)
|
| 2281 |
|
|
{
|
| 2282 |
|
|
/* Note that we're not disallowing mixing data and code. */
|
| 2283 |
|
|
if ((elf_section_data (isec)->this_hdr.sh_flags
|
| 2284 |
|
|
& SHF_SH5_ISA32) != 0)
|
| 2285 |
|
|
o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32;
|
| 2286 |
|
|
break;
|
| 2287 |
|
|
}
|
| 2288 |
|
|
}
|
| 2289 |
|
|
}
|
| 2290 |
|
|
|
| 2291 |
|
|
/* Copy object attributes. */
|
| 2292 |
|
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
| 2293 |
|
|
|
| 2294 |
|
|
return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
|
| 2295 |
|
|
}
|
| 2296 |
|
|
|
| 2297 |
|
|
static bfd_boolean
|
| 2298 |
|
|
sh_elf64_copy_private_data (bfd *ibfd, bfd *obfd)
|
| 2299 |
|
|
{
|
| 2300 |
|
|
return sh_elf64_copy_private_data_internal (ibfd, obfd);
|
| 2301 |
|
|
}
|
| 2302 |
|
|
|
| 2303 |
|
|
static bfd_boolean
|
| 2304 |
|
|
sh_elf64_merge_private_data (bfd *ibfd, bfd *obfd)
|
| 2305 |
|
|
{
|
| 2306 |
|
|
flagword old_flags, new_flags;
|
| 2307 |
|
|
|
| 2308 |
|
|
if (! _bfd_generic_verify_endian_match (ibfd, obfd))
|
| 2309 |
|
|
return FALSE;
|
| 2310 |
|
|
|
| 2311 |
|
|
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
| 2312 |
|
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
| 2313 |
|
|
return TRUE;
|
| 2314 |
|
|
|
| 2315 |
|
|
if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd))
|
| 2316 |
|
|
{
|
| 2317 |
|
|
const char *msg;
|
| 2318 |
|
|
|
| 2319 |
|
|
if (bfd_get_arch_size (ibfd) == 32
|
| 2320 |
|
|
&& bfd_get_arch_size (obfd) == 64)
|
| 2321 |
|
|
msg = _("%s: compiled as 32-bit object and %s is 64-bit");
|
| 2322 |
|
|
else if (bfd_get_arch_size (ibfd) == 64
|
| 2323 |
|
|
&& bfd_get_arch_size (obfd) == 32)
|
| 2324 |
|
|
msg = _("%s: compiled as 64-bit object and %s is 32-bit");
|
| 2325 |
|
|
else
|
| 2326 |
|
|
msg = _("%s: object size does not match that of target %s");
|
| 2327 |
|
|
|
| 2328 |
|
|
(*_bfd_error_handler) (msg, bfd_get_filename (ibfd),
|
| 2329 |
|
|
bfd_get_filename (obfd));
|
| 2330 |
|
|
bfd_set_error (bfd_error_wrong_format);
|
| 2331 |
|
|
return FALSE;
|
| 2332 |
|
|
}
|
| 2333 |
|
|
|
| 2334 |
|
|
old_flags = elf_elfheader (obfd)->e_flags;
|
| 2335 |
|
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
| 2336 |
|
|
if (! elf_flags_init (obfd))
|
| 2337 |
|
|
{
|
| 2338 |
|
|
/* This happens when ld starts out with a 'blank' output file. */
|
| 2339 |
|
|
elf_flags_init (obfd) = TRUE;
|
| 2340 |
|
|
elf_elfheader (obfd)->e_flags = old_flags = new_flags;
|
| 2341 |
|
|
}
|
| 2342 |
|
|
/* We don't allow linking in anything else than SH64 code, and since
|
| 2343 |
|
|
this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code
|
| 2344 |
|
|
here as things change. */
|
| 2345 |
|
|
else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5)
|
| 2346 |
|
|
{
|
| 2347 |
|
|
(*_bfd_error_handler)
|
| 2348 |
|
|
("%s: does not use the SH64 64-bit ABI as previous modules do",
|
| 2349 |
|
|
bfd_get_filename (ibfd));
|
| 2350 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 2351 |
|
|
return FALSE;
|
| 2352 |
|
|
}
|
| 2353 |
|
|
|
| 2354 |
|
|
sh_elf64_copy_private_data_internal (ibfd, obfd);
|
| 2355 |
|
|
|
| 2356 |
|
|
/* I can't think of anything sane other than old_flags being EF_SH5 and
|
| 2357 |
|
|
that we need to preserve that. */
|
| 2358 |
|
|
elf_elfheader (obfd)->e_flags = old_flags;
|
| 2359 |
|
|
|
| 2360 |
|
|
return sh_elf64_set_mach_from_flags (obfd);
|
| 2361 |
|
|
}
|
| 2362 |
|
|
|
| 2363 |
|
|
/* Return the section that should be marked against GC for a given
|
| 2364 |
|
|
relocation. */
|
| 2365 |
|
|
|
| 2366 |
|
|
static asection *
|
| 2367 |
|
|
sh_elf64_gc_mark_hook (asection *sec,
|
| 2368 |
|
|
struct bfd_link_info *info,
|
| 2369 |
|
|
Elf_Internal_Rela *rel,
|
| 2370 |
|
|
struct elf_link_hash_entry *h,
|
| 2371 |
|
|
Elf_Internal_Sym *sym)
|
| 2372 |
|
|
{
|
| 2373 |
|
|
if (h != NULL)
|
| 2374 |
|
|
switch (ELF64_R_TYPE (rel->r_info))
|
| 2375 |
|
|
{
|
| 2376 |
|
|
case R_SH_GNU_VTINHERIT:
|
| 2377 |
|
|
case R_SH_GNU_VTENTRY:
|
| 2378 |
|
|
return NULL;
|
| 2379 |
|
|
}
|
| 2380 |
|
|
|
| 2381 |
|
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
| 2382 |
|
|
}
|
| 2383 |
|
|
|
| 2384 |
|
|
/* Look through the relocs for a section during the first phase.
|
| 2385 |
|
|
Since we don't do .gots or .plts, we just need to consider the
|
| 2386 |
|
|
virtual table relocs for gc. */
|
| 2387 |
|
|
|
| 2388 |
|
|
static bfd_boolean
|
| 2389 |
|
|
sh_elf64_check_relocs (bfd *abfd, struct bfd_link_info *info,
|
| 2390 |
|
|
asection *sec, const Elf_Internal_Rela *relocs)
|
| 2391 |
|
|
{
|
| 2392 |
|
|
Elf_Internal_Shdr *symtab_hdr;
|
| 2393 |
|
|
struct elf_link_hash_entry **sym_hashes;
|
| 2394 |
|
|
const Elf_Internal_Rela *rel;
|
| 2395 |
|
|
const Elf_Internal_Rela *rel_end;
|
| 2396 |
|
|
bfd *dynobj;
|
| 2397 |
|
|
bfd_vma *local_got_offsets;
|
| 2398 |
|
|
asection *sgot;
|
| 2399 |
|
|
asection *srelgot;
|
| 2400 |
|
|
asection *sreloc;
|
| 2401 |
|
|
|
| 2402 |
|
|
sgot = NULL;
|
| 2403 |
|
|
srelgot = NULL;
|
| 2404 |
|
|
sreloc = NULL;
|
| 2405 |
|
|
|
| 2406 |
|
|
if (info->relocatable)
|
| 2407 |
|
|
return TRUE;
|
| 2408 |
|
|
|
| 2409 |
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
| 2410 |
|
|
sym_hashes = elf_sym_hashes (abfd);
|
| 2411 |
|
|
|
| 2412 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 2413 |
|
|
local_got_offsets = elf_local_got_offsets (abfd);
|
| 2414 |
|
|
|
| 2415 |
|
|
rel_end = relocs + sec->reloc_count;
|
| 2416 |
|
|
for (rel = relocs; rel < rel_end; rel++)
|
| 2417 |
|
|
{
|
| 2418 |
|
|
struct elf_link_hash_entry *h;
|
| 2419 |
|
|
unsigned long r_symndx;
|
| 2420 |
|
|
|
| 2421 |
|
|
r_symndx = ELF64_R_SYM (rel->r_info);
|
| 2422 |
|
|
if (r_symndx < symtab_hdr->sh_info)
|
| 2423 |
|
|
h = NULL;
|
| 2424 |
|
|
else
|
| 2425 |
|
|
{
|
| 2426 |
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
| 2427 |
|
|
while (h->root.type == bfd_link_hash_indirect
|
| 2428 |
|
|
|| h->root.type == bfd_link_hash_warning)
|
| 2429 |
|
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
| 2430 |
|
|
}
|
| 2431 |
|
|
|
| 2432 |
|
|
/* Some relocs require a global offset table. */
|
| 2433 |
|
|
if (dynobj == NULL)
|
| 2434 |
|
|
{
|
| 2435 |
|
|
switch (ELF64_R_TYPE (rel->r_info))
|
| 2436 |
|
|
{
|
| 2437 |
|
|
case R_SH_GOTPLT_LOW16:
|
| 2438 |
|
|
case R_SH_GOTPLT_MEDLOW16:
|
| 2439 |
|
|
case R_SH_GOTPLT_MEDHI16:
|
| 2440 |
|
|
case R_SH_GOTPLT_HI16:
|
| 2441 |
|
|
case R_SH_GOTPLT10BY4:
|
| 2442 |
|
|
case R_SH_GOTPLT10BY8:
|
| 2443 |
|
|
case R_SH_GOT_LOW16:
|
| 2444 |
|
|
case R_SH_GOT_MEDLOW16:
|
| 2445 |
|
|
case R_SH_GOT_MEDHI16:
|
| 2446 |
|
|
case R_SH_GOT_HI16:
|
| 2447 |
|
|
case R_SH_GOT10BY4:
|
| 2448 |
|
|
case R_SH_GOT10BY8:
|
| 2449 |
|
|
case R_SH_GOTOFF_LOW16:
|
| 2450 |
|
|
case R_SH_GOTOFF_MEDLOW16:
|
| 2451 |
|
|
case R_SH_GOTOFF_MEDHI16:
|
| 2452 |
|
|
case R_SH_GOTOFF_HI16:
|
| 2453 |
|
|
case R_SH_GOTPC_LOW16:
|
| 2454 |
|
|
case R_SH_GOTPC_MEDLOW16:
|
| 2455 |
|
|
case R_SH_GOTPC_MEDHI16:
|
| 2456 |
|
|
case R_SH_GOTPC_HI16:
|
| 2457 |
|
|
elf_hash_table (info)->dynobj = dynobj = abfd;
|
| 2458 |
|
|
if (! _bfd_elf_create_got_section (dynobj, info))
|
| 2459 |
|
|
return FALSE;
|
| 2460 |
|
|
break;
|
| 2461 |
|
|
|
| 2462 |
|
|
default:
|
| 2463 |
|
|
break;
|
| 2464 |
|
|
}
|
| 2465 |
|
|
}
|
| 2466 |
|
|
|
| 2467 |
|
|
switch (ELF64_R_TYPE (rel->r_info))
|
| 2468 |
|
|
{
|
| 2469 |
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
| 2470 |
|
|
Reconstruct it for later use during GC. */
|
| 2471 |
|
|
case R_SH_GNU_VTINHERIT:
|
| 2472 |
|
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
| 2473 |
|
|
return FALSE;
|
| 2474 |
|
|
break;
|
| 2475 |
|
|
|
| 2476 |
|
|
/* This relocation describes which C++ vtable entries are actually
|
| 2477 |
|
|
used. Record for later use during GC. */
|
| 2478 |
|
|
case R_SH_GNU_VTENTRY:
|
| 2479 |
|
|
BFD_ASSERT (h != NULL);
|
| 2480 |
|
|
if (h != NULL
|
| 2481 |
|
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
| 2482 |
|
|
return FALSE;
|
| 2483 |
|
|
break;
|
| 2484 |
|
|
|
| 2485 |
|
|
force_got:
|
| 2486 |
|
|
case R_SH_GOT_LOW16:
|
| 2487 |
|
|
case R_SH_GOT_MEDLOW16:
|
| 2488 |
|
|
case R_SH_GOT_MEDHI16:
|
| 2489 |
|
|
case R_SH_GOT_HI16:
|
| 2490 |
|
|
case R_SH_GOT10BY4:
|
| 2491 |
|
|
case R_SH_GOT10BY8:
|
| 2492 |
|
|
/* This symbol requires a global offset table entry. */
|
| 2493 |
|
|
|
| 2494 |
|
|
if (sgot == NULL)
|
| 2495 |
|
|
{
|
| 2496 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
| 2497 |
|
|
BFD_ASSERT (sgot != NULL);
|
| 2498 |
|
|
}
|
| 2499 |
|
|
|
| 2500 |
|
|
if (srelgot == NULL
|
| 2501 |
|
|
&& (h != NULL || info->shared))
|
| 2502 |
|
|
{
|
| 2503 |
|
|
srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
|
| 2504 |
|
|
if (srelgot == NULL)
|
| 2505 |
|
|
{
|
| 2506 |
|
|
srelgot = bfd_make_section_with_flags (dynobj,
|
| 2507 |
|
|
".rela.got",
|
| 2508 |
|
|
(SEC_ALLOC
|
| 2509 |
|
|
| SEC_LOAD
|
| 2510 |
|
|
| SEC_HAS_CONTENTS
|
| 2511 |
|
|
| SEC_IN_MEMORY
|
| 2512 |
|
|
| SEC_LINKER_CREATED
|
| 2513 |
|
|
| SEC_READONLY));
|
| 2514 |
|
|
if (srelgot == NULL
|
| 2515 |
|
|
|| ! bfd_set_section_alignment (dynobj, srelgot, 2))
|
| 2516 |
|
|
return FALSE;
|
| 2517 |
|
|
}
|
| 2518 |
|
|
}
|
| 2519 |
|
|
|
| 2520 |
|
|
if (h != NULL)
|
| 2521 |
|
|
{
|
| 2522 |
|
|
if (h->type == STT_DATALABEL)
|
| 2523 |
|
|
{
|
| 2524 |
|
|
struct elf_sh64_link_hash_entry *hsh;
|
| 2525 |
|
|
|
| 2526 |
|
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
| 2527 |
|
|
hsh = (struct elf_sh64_link_hash_entry *)h;
|
| 2528 |
|
|
if (hsh->datalabel_got_offset != (bfd_vma) -1)
|
| 2529 |
|
|
break;
|
| 2530 |
|
|
|
| 2531 |
|
|
hsh->datalabel_got_offset = sgot->size;
|
| 2532 |
|
|
}
|
| 2533 |
|
|
else
|
| 2534 |
|
|
{
|
| 2535 |
|
|
if (h->got.offset != (bfd_vma) -1)
|
| 2536 |
|
|
{
|
| 2537 |
|
|
/* We have already allocated space in the .got. */
|
| 2538 |
|
|
break;
|
| 2539 |
|
|
}
|
| 2540 |
|
|
h->got.offset = sgot->size;
|
| 2541 |
|
|
}
|
| 2542 |
|
|
|
| 2543 |
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
| 2544 |
|
|
if (h->dynindx == -1)
|
| 2545 |
|
|
{
|
| 2546 |
|
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
| 2547 |
|
|
return FALSE;
|
| 2548 |
|
|
}
|
| 2549 |
|
|
|
| 2550 |
|
|
srelgot->size += sizeof (Elf64_External_Rela);
|
| 2551 |
|
|
}
|
| 2552 |
|
|
else
|
| 2553 |
|
|
{
|
| 2554 |
|
|
/* This is a global offset table entry for a local
|
| 2555 |
|
|
symbol. */
|
| 2556 |
|
|
if (local_got_offsets == NULL)
|
| 2557 |
|
|
{
|
| 2558 |
|
|
size_t size;
|
| 2559 |
|
|
register unsigned int i;
|
| 2560 |
|
|
|
| 2561 |
|
|
size = symtab_hdr->sh_info * sizeof (bfd_vma);
|
| 2562 |
|
|
/* Reserve space for both the datalabel and
|
| 2563 |
|
|
codelabel local GOT offsets. */
|
| 2564 |
|
|
size *= 2;
|
| 2565 |
|
|
local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
|
| 2566 |
|
|
if (local_got_offsets == NULL)
|
| 2567 |
|
|
return FALSE;
|
| 2568 |
|
|
elf_local_got_offsets (abfd) = local_got_offsets;
|
| 2569 |
|
|
for (i = 0; i < symtab_hdr->sh_info; i++)
|
| 2570 |
|
|
local_got_offsets[i] = (bfd_vma) -1;
|
| 2571 |
|
|
for (; i < 2 * symtab_hdr->sh_info; i++)
|
| 2572 |
|
|
local_got_offsets[i] = (bfd_vma) -1;
|
| 2573 |
|
|
}
|
| 2574 |
|
|
if ((rel->r_addend & 1) != 0)
|
| 2575 |
|
|
{
|
| 2576 |
|
|
if (local_got_offsets[symtab_hdr->sh_info
|
| 2577 |
|
|
+ r_symndx] != (bfd_vma) -1)
|
| 2578 |
|
|
{
|
| 2579 |
|
|
/* We have already allocated space in the .got. */
|
| 2580 |
|
|
break;
|
| 2581 |
|
|
}
|
| 2582 |
|
|
local_got_offsets[symtab_hdr->sh_info
|
| 2583 |
|
|
+ r_symndx] = sgot->size;
|
| 2584 |
|
|
}
|
| 2585 |
|
|
else
|
| 2586 |
|
|
{
|
| 2587 |
|
|
if (local_got_offsets[r_symndx] != (bfd_vma) -1)
|
| 2588 |
|
|
{
|
| 2589 |
|
|
/* We have already allocated space in the .got. */
|
| 2590 |
|
|
break;
|
| 2591 |
|
|
}
|
| 2592 |
|
|
local_got_offsets[r_symndx] = sgot->size;
|
| 2593 |
|
|
}
|
| 2594 |
|
|
|
| 2595 |
|
|
if (info->shared)
|
| 2596 |
|
|
{
|
| 2597 |
|
|
/* If we are generating a shared object, we need to
|
| 2598 |
|
|
output a R_SH_RELATIVE reloc so that the dynamic
|
| 2599 |
|
|
linker can adjust this GOT entry. */
|
| 2600 |
|
|
srelgot->size += sizeof (Elf64_External_Rela);
|
| 2601 |
|
|
}
|
| 2602 |
|
|
}
|
| 2603 |
|
|
|
| 2604 |
|
|
sgot->size += 8;
|
| 2605 |
|
|
|
| 2606 |
|
|
break;
|
| 2607 |
|
|
|
| 2608 |
|
|
case R_SH_GOTPLT_LOW16:
|
| 2609 |
|
|
case R_SH_GOTPLT_MEDLOW16:
|
| 2610 |
|
|
case R_SH_GOTPLT_MEDHI16:
|
| 2611 |
|
|
case R_SH_GOTPLT_HI16:
|
| 2612 |
|
|
case R_SH_GOTPLT10BY4:
|
| 2613 |
|
|
case R_SH_GOTPLT10BY8:
|
| 2614 |
|
|
/* If this is a local symbol, we resolve it directly without
|
| 2615 |
|
|
creating a procedure linkage table entry. */
|
| 2616 |
|
|
|
| 2617 |
|
|
if (h == NULL
|
| 2618 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 2619 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
| 2620 |
|
|
|| ! info->shared
|
| 2621 |
|
|
|| info->symbolic
|
| 2622 |
|
|
|| h->dynindx == -1
|
| 2623 |
|
|
|| h->got.offset != (bfd_vma) -1)
|
| 2624 |
|
|
goto force_got;
|
| 2625 |
|
|
|
| 2626 |
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
| 2627 |
|
|
if (h->dynindx == -1)
|
| 2628 |
|
|
{
|
| 2629 |
|
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
| 2630 |
|
|
return FALSE;
|
| 2631 |
|
|
}
|
| 2632 |
|
|
|
| 2633 |
|
|
h->needs_plt = 1;
|
| 2634 |
|
|
|
| 2635 |
|
|
break;
|
| 2636 |
|
|
|
| 2637 |
|
|
case R_SH_PLT_LOW16:
|
| 2638 |
|
|
case R_SH_PLT_MEDLOW16:
|
| 2639 |
|
|
case R_SH_PLT_MEDHI16:
|
| 2640 |
|
|
case R_SH_PLT_HI16:
|
| 2641 |
|
|
/* This symbol requires a procedure linkage table entry. We
|
| 2642 |
|
|
actually build the entry in adjust_dynamic_symbol,
|
| 2643 |
|
|
because this might be a case of linking PIC code which is
|
| 2644 |
|
|
never referenced by a dynamic object, in which case we
|
| 2645 |
|
|
don't need to generate a procedure linkage table entry
|
| 2646 |
|
|
after all. */
|
| 2647 |
|
|
|
| 2648 |
|
|
/* If this is a local symbol, we resolve it directly without
|
| 2649 |
|
|
creating a procedure linkage table entry. */
|
| 2650 |
|
|
if (h == NULL)
|
| 2651 |
|
|
continue;
|
| 2652 |
|
|
|
| 2653 |
|
|
if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
| 2654 |
|
|
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
|
| 2655 |
|
|
break;
|
| 2656 |
|
|
|
| 2657 |
|
|
h->needs_plt = 1;
|
| 2658 |
|
|
|
| 2659 |
|
|
break;
|
| 2660 |
|
|
|
| 2661 |
|
|
case R_SH_64:
|
| 2662 |
|
|
case R_SH_64_PCREL:
|
| 2663 |
|
|
if (h != NULL)
|
| 2664 |
|
|
h->non_got_ref = 1;
|
| 2665 |
|
|
|
| 2666 |
|
|
/* If we are creating a shared library, and this is a reloc
|
| 2667 |
|
|
against a global symbol, or a non PC relative reloc
|
| 2668 |
|
|
against a local symbol, then we need to copy the reloc
|
| 2669 |
|
|
into the shared library. However, if we are linking with
|
| 2670 |
|
|
-Bsymbolic, we do not need to copy a reloc against a
|
| 2671 |
|
|
global symbol which is defined in an object we are
|
| 2672 |
|
|
including in the link (i.e., DEF_REGULAR is set). At
|
| 2673 |
|
|
this point we have not seen all the input files, so it is
|
| 2674 |
|
|
possible that DEF_REGULAR is not set now but will be set
|
| 2675 |
|
|
later (it is never cleared). We account for that
|
| 2676 |
|
|
possibility below by storing information in the
|
| 2677 |
|
|
pcrel_relocs_copied field of the hash table entry. */
|
| 2678 |
|
|
if (info->shared
|
| 2679 |
|
|
&& (sec->flags & SEC_ALLOC) != 0
|
| 2680 |
|
|
&& (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL
|
| 2681 |
|
|
|| (h != NULL
|
| 2682 |
|
|
&& (! info->symbolic
|
| 2683 |
|
|
|| !h->def_regular))))
|
| 2684 |
|
|
{
|
| 2685 |
|
|
/* When creating a shared object, we must copy these
|
| 2686 |
|
|
reloc types into the output file. We create a reloc
|
| 2687 |
|
|
section in dynobj and make room for this reloc. */
|
| 2688 |
|
|
if (sreloc == NULL)
|
| 2689 |
|
|
{
|
| 2690 |
|
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
| 2691 |
|
|
(sec, dynobj, 2, abfd, /*rela?*/ TRUE);
|
| 2692 |
|
|
|
| 2693 |
|
|
if (sreloc == NULL)
|
| 2694 |
|
|
return FALSE;
|
| 2695 |
|
|
}
|
| 2696 |
|
|
|
| 2697 |
|
|
sreloc->size += sizeof (Elf64_External_Rela);
|
| 2698 |
|
|
|
| 2699 |
|
|
/* If we are linking with -Bsymbolic, and this is a
|
| 2700 |
|
|
global symbol, we count the number of PC relative
|
| 2701 |
|
|
relocations we have entered for this symbol, so that
|
| 2702 |
|
|
we can discard them again if the symbol is later
|
| 2703 |
|
|
defined by a regular object. Note that this function
|
| 2704 |
|
|
is only called if we are using an elf_sh linker
|
| 2705 |
|
|
hash table, which means that h is really a pointer to
|
| 2706 |
|
|
an elf_sh_link_hash_entry. */
|
| 2707 |
|
|
if (h != NULL && info->symbolic
|
| 2708 |
|
|
&& ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL)
|
| 2709 |
|
|
{
|
| 2710 |
|
|
struct elf_sh64_link_hash_entry *eh;
|
| 2711 |
|
|
struct elf_sh64_pcrel_relocs_copied *p;
|
| 2712 |
|
|
|
| 2713 |
|
|
eh = (struct elf_sh64_link_hash_entry *) h;
|
| 2714 |
|
|
|
| 2715 |
|
|
for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next)
|
| 2716 |
|
|
if (p->section == sreloc)
|
| 2717 |
|
|
break;
|
| 2718 |
|
|
|
| 2719 |
|
|
if (p == NULL)
|
| 2720 |
|
|
{
|
| 2721 |
|
|
p = ((struct elf_sh64_pcrel_relocs_copied *)
|
| 2722 |
|
|
bfd_alloc (dynobj, sizeof *p));
|
| 2723 |
|
|
if (p == NULL)
|
| 2724 |
|
|
return FALSE;
|
| 2725 |
|
|
p->next = eh->pcrel_relocs_copied;
|
| 2726 |
|
|
eh->pcrel_relocs_copied = p;
|
| 2727 |
|
|
p->section = sreloc;
|
| 2728 |
|
|
p->count = 0;
|
| 2729 |
|
|
}
|
| 2730 |
|
|
|
| 2731 |
|
|
++p->count;
|
| 2732 |
|
|
}
|
| 2733 |
|
|
}
|
| 2734 |
|
|
|
| 2735 |
|
|
break;
|
| 2736 |
|
|
}
|
| 2737 |
|
|
}
|
| 2738 |
|
|
|
| 2739 |
|
|
return TRUE;
|
| 2740 |
|
|
}
|
| 2741 |
|
|
|
| 2742 |
|
|
static int
|
| 2743 |
|
|
sh64_elf64_get_symbol_type (Elf_Internal_Sym * elf_sym, int type)
|
| 2744 |
|
|
{
|
| 2745 |
|
|
if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL)
|
| 2746 |
|
|
return STT_DATALABEL;
|
| 2747 |
|
|
|
| 2748 |
|
|
return type;
|
| 2749 |
|
|
}
|
| 2750 |
|
|
|
| 2751 |
|
|
/* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c.
|
| 2752 |
|
|
Either file can presumably exist without the other, but do not differ
|
| 2753 |
|
|
in elf-size-ness. How to share?
|
| 2754 |
|
|
|
| 2755 |
|
|
Hook called by the linker routine which adds symbols from an object
|
| 2756 |
|
|
file. We must make indirect symbols for undefined symbols marked with
|
| 2757 |
|
|
STT_DATALABEL, so relocations passing them will pick up that attribute
|
| 2758 |
|
|
and neutralize STO_SH5_ISA32 found on the symbol definition.
|
| 2759 |
|
|
|
| 2760 |
|
|
There is a problem, though: We want to fill in the hash-table entry for
|
| 2761 |
|
|
this symbol and signal to the caller that no further processing is
|
| 2762 |
|
|
needed. But we don't have the index for this hash-table entry. We
|
| 2763 |
|
|
rely here on that the current entry is the first hash-entry with NULL,
|
| 2764 |
|
|
which seems brittle. Also, iterating over the hash-table to find that
|
| 2765 |
|
|
entry is a linear operation on the number of symbols in this input
|
| 2766 |
|
|
file, and this function should take constant time, so that's not good
|
| 2767 |
|
|
too. Only comfort is that DataLabel references should only be found in
|
| 2768 |
|
|
hand-written assembly code and thus be rare. FIXME: Talk maintainers
|
| 2769 |
|
|
into adding an option to elf_add_symbol_hook (preferably) for the index
|
| 2770 |
|
|
or the hash entry, alternatively adding the index to Elf_Internal_Sym
|
| 2771 |
|
|
(not so good). */
|
| 2772 |
|
|
|
| 2773 |
|
|
static bfd_boolean
|
| 2774 |
|
|
sh64_elf64_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
|
| 2775 |
|
|
Elf_Internal_Sym *sym, const char **namep,
|
| 2776 |
|
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
| 2777 |
|
|
asection **secp, bfd_vma *valp)
|
| 2778 |
|
|
{
|
| 2779 |
|
|
/* We want to do this for relocatable as well as final linking. */
|
| 2780 |
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL
|
| 2781 |
|
|
&& is_elf_hash_table (info->hash))
|
| 2782 |
|
|
{
|
| 2783 |
|
|
struct elf_link_hash_entry *h;
|
| 2784 |
|
|
|
| 2785 |
|
|
/* For relocatable links, we register the DataLabel sym in its own
|
| 2786 |
|
|
right, and tweak the name when it's output. Otherwise, we make
|
| 2787 |
|
|
an indirect symbol of it. */
|
| 2788 |
|
|
flagword flags
|
| 2789 |
|
|
= info->relocatable || info->emitrelocations
|
| 2790 |
|
|
? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
|
| 2791 |
|
|
|
| 2792 |
|
|
char *dl_name
|
| 2793 |
|
|
= bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX));
|
| 2794 |
|
|
struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd);
|
| 2795 |
|
|
|
| 2796 |
|
|
BFD_ASSERT (sym_hash != NULL);
|
| 2797 |
|
|
|
| 2798 |
|
|
/* Allocation may fail. */
|
| 2799 |
|
|
if (dl_name == NULL)
|
| 2800 |
|
|
return FALSE;
|
| 2801 |
|
|
|
| 2802 |
|
|
strcpy (dl_name, *namep);
|
| 2803 |
|
|
strcat (dl_name, DATALABEL_SUFFIX);
|
| 2804 |
|
|
|
| 2805 |
|
|
h = (struct elf_link_hash_entry *)
|
| 2806 |
|
|
bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE);
|
| 2807 |
|
|
|
| 2808 |
|
|
if (h == NULL)
|
| 2809 |
|
|
{
|
| 2810 |
|
|
/* No previous datalabel symbol. Make one. */
|
| 2811 |
|
|
struct bfd_link_hash_entry *bh = NULL;
|
| 2812 |
|
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
| 2813 |
|
|
|
| 2814 |
|
|
if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
|
| 2815 |
|
|
flags, *secp, *valp,
|
| 2816 |
|
|
*namep, FALSE,
|
| 2817 |
|
|
bed->collect, &bh))
|
| 2818 |
|
|
{
|
| 2819 |
|
|
free (dl_name);
|
| 2820 |
|
|
return FALSE;
|
| 2821 |
|
|
}
|
| 2822 |
|
|
|
| 2823 |
|
|
h = (struct elf_link_hash_entry *) bh;
|
| 2824 |
|
|
h->non_elf = 0;
|
| 2825 |
|
|
h->type = STT_DATALABEL;
|
| 2826 |
|
|
}
|
| 2827 |
|
|
else
|
| 2828 |
|
|
/* If a new symbol was created, it holds the allocated name.
|
| 2829 |
|
|
Otherwise, we don't need it anymore and should deallocate it. */
|
| 2830 |
|
|
free (dl_name);
|
| 2831 |
|
|
|
| 2832 |
|
|
if (h->type != STT_DATALABEL
|
| 2833 |
|
|
|| ((info->relocatable || info->emitrelocations)
|
| 2834 |
|
|
&& h->root.type != bfd_link_hash_undefined)
|
| 2835 |
|
|
|| (! info->relocatable && !info->emitrelocations
|
| 2836 |
|
|
&& h->root.type != bfd_link_hash_indirect))
|
| 2837 |
|
|
{
|
| 2838 |
|
|
/* Make sure we don't get confused on invalid input. */
|
| 2839 |
|
|
(*_bfd_error_handler)
|
| 2840 |
|
|
(_("%s: encountered datalabel symbol in input"),
|
| 2841 |
|
|
bfd_get_filename (abfd));
|
| 2842 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 2843 |
|
|
return FALSE;
|
| 2844 |
|
|
}
|
| 2845 |
|
|
|
| 2846 |
|
|
/* Now find the hash-table slot for this entry and fill it in. */
|
| 2847 |
|
|
while (*sym_hash != NULL)
|
| 2848 |
|
|
sym_hash++;
|
| 2849 |
|
|
*sym_hash = h;
|
| 2850 |
|
|
|
| 2851 |
|
|
/* Signal to caller to skip this symbol - we've handled it. */
|
| 2852 |
|
|
*namep = NULL;
|
| 2853 |
|
|
}
|
| 2854 |
|
|
|
| 2855 |
|
|
return TRUE;
|
| 2856 |
|
|
}
|
| 2857 |
|
|
|
| 2858 |
|
|
/* This hook function is called before the linker writes out a global
|
| 2859 |
|
|
symbol. For relocatable links, DataLabel symbols will be present in
|
| 2860 |
|
|
linker output. We cut off the special suffix on those symbols, so the
|
| 2861 |
|
|
right name appears in the output.
|
| 2862 |
|
|
|
| 2863 |
|
|
When linking and emitting relocations, there can appear global symbols
|
| 2864 |
|
|
that are not referenced by relocs, but rather only implicitly through
|
| 2865 |
|
|
DataLabel references, a relation that is not visible to the linker.
|
| 2866 |
|
|
Since no stripping of global symbols in done when doing such linking,
|
| 2867 |
|
|
we don't need to look up and make sure to emit the main symbol for each
|
| 2868 |
|
|
DataLabel symbol. */
|
| 2869 |
|
|
|
| 2870 |
|
|
static int
|
| 2871 |
|
|
sh64_elf64_link_output_symbol_hook (struct bfd_link_info *info,
|
| 2872 |
|
|
const char *cname,
|
| 2873 |
|
|
Elf_Internal_Sym *sym,
|
| 2874 |
|
|
asection *input_sec ATTRIBUTE_UNUSED,
|
| 2875 |
|
|
struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
|
| 2876 |
|
|
{
|
| 2877 |
|
|
char *name = (char *) cname;
|
| 2878 |
|
|
|
| 2879 |
|
|
if (info->relocatable || info->emitrelocations)
|
| 2880 |
|
|
{
|
| 2881 |
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
|
| 2882 |
|
|
name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
|
| 2883 |
|
|
}
|
| 2884 |
|
|
|
| 2885 |
|
|
return 1;
|
| 2886 |
|
|
}
|
| 2887 |
|
|
|
| 2888 |
|
|
/* Set bit 0 on the entry address; it always points to SHmedia code. This
|
| 2889 |
|
|
is mostly for symmetry with the 32-bit format, where code can be
|
| 2890 |
|
|
SHcompact and we need to make a distinction to make sure execution
|
| 2891 |
|
|
starts in the right ISA mode. It is also convenient for a loader,
|
| 2892 |
|
|
which would otherwise have to set this bit when loading a TR register
|
| 2893 |
|
|
before jumping to the program entry. */
|
| 2894 |
|
|
|
| 2895 |
|
|
static void
|
| 2896 |
|
|
sh64_elf64_final_write_processing (bfd *abfd,
|
| 2897 |
|
|
bfd_boolean linker ATTRIBUTE_UNUSED)
|
| 2898 |
|
|
{
|
| 2899 |
|
|
/* FIXME: Perhaps we shouldn't do this if the entry address was supplied
|
| 2900 |
|
|
numerically, but we currently lack the infrastructure to recognize
|
| 2901 |
|
|
that: The entry symbol, and info whether it is numeric or a symbol
|
| 2902 |
|
|
name is kept private in the linker. */
|
| 2903 |
|
|
if (elf_elfheader (abfd)->e_type == ET_EXEC)
|
| 2904 |
|
|
elf_elfheader (abfd)->e_entry |= 1;
|
| 2905 |
|
|
}
|
| 2906 |
|
|
|
| 2907 |
|
|
/* First entry in an absolute procedure linkage table look like this. */
|
| 2908 |
|
|
|
| 2909 |
|
|
static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] =
|
| 2910 |
|
|
{
|
| 2911 |
|
|
0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */
|
| 2912 |
|
|
0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */
|
| 2913 |
|
|
0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */
|
| 2914 |
|
|
0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */
|
| 2915 |
|
|
0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
|
| 2916 |
|
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
| 2917 |
|
|
0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
|
| 2918 |
|
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
| 2919 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2920 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2921 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2922 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2923 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2924 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2925 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2926 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2927 |
|
|
};
|
| 2928 |
|
|
|
| 2929 |
|
|
static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] =
|
| 2930 |
|
|
{
|
| 2931 |
|
|
0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */
|
| 2932 |
|
|
0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */
|
| 2933 |
|
|
0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */
|
| 2934 |
|
|
0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */
|
| 2935 |
|
|
0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
|
| 2936 |
|
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
| 2937 |
|
|
0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
|
| 2938 |
|
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
| 2939 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2940 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2941 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2942 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2943 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2944 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2945 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2946 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2947 |
|
|
};
|
| 2948 |
|
|
|
| 2949 |
|
|
/* Sebsequent entries in an absolute procedure linkage table look like
|
| 2950 |
|
|
this. */
|
| 2951 |
|
|
|
| 2952 |
|
|
static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] =
|
| 2953 |
|
|
{
|
| 2954 |
|
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */
|
| 2955 |
|
|
0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */
|
| 2956 |
|
|
0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */
|
| 2957 |
|
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */
|
| 2958 |
|
|
0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */
|
| 2959 |
|
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
| 2960 |
|
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
| 2961 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2962 |
|
|
0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */
|
| 2963 |
|
|
0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */
|
| 2964 |
|
|
0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */
|
| 2965 |
|
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
| 2966 |
|
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
| 2967 |
|
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
| 2968 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2969 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 2970 |
|
|
};
|
| 2971 |
|
|
|
| 2972 |
|
|
static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] =
|
| 2973 |
|
|
{
|
| 2974 |
|
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */
|
| 2975 |
|
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
|
| 2976 |
|
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
|
| 2977 |
|
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */
|
| 2978 |
|
|
0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */
|
| 2979 |
|
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
| 2980 |
|
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
| 2981 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2982 |
|
|
0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */
|
| 2983 |
|
|
0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */
|
| 2984 |
|
|
0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */
|
| 2985 |
|
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
| 2986 |
|
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
| 2987 |
|
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
| 2988 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2989 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 2990 |
|
|
};
|
| 2991 |
|
|
|
| 2992 |
|
|
/* Entries in a PIC procedure linkage table look like this. */
|
| 2993 |
|
|
|
| 2994 |
|
|
static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] =
|
| 2995 |
|
|
{
|
| 2996 |
|
|
0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */
|
| 2997 |
|
|
0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */
|
| 2998 |
|
|
0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */
|
| 2999 |
|
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
| 3000 |
|
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
| 3001 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 3002 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 3003 |
|
|
0x6f, 0xf0, 0xff, 0xf0, /* nop */
|
| 3004 |
|
|
0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */
|
| 3005 |
|
|
0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */
|
| 3006 |
|
|
0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */
|
| 3007 |
|
|
0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */
|
| 3008 |
|
|
0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */
|
| 3009 |
|
|
0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */
|
| 3010 |
|
|
0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */
|
| 3011 |
|
|
0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */
|
| 3012 |
|
|
};
|
| 3013 |
|
|
|
| 3014 |
|
|
static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] =
|
| 3015 |
|
|
{
|
| 3016 |
|
|
0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */
|
| 3017 |
|
|
0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */
|
| 3018 |
|
|
0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */
|
| 3019 |
|
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
| 3020 |
|
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
| 3021 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 3022 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 3023 |
|
|
0xf0, 0xff, 0xf0, 0x6f, /* nop */
|
| 3024 |
|
|
0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */
|
| 3025 |
|
|
0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */
|
| 3026 |
|
|
0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */
|
| 3027 |
|
|
0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */
|
| 3028 |
|
|
0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */
|
| 3029 |
|
|
0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */
|
| 3030 |
|
|
0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */
|
| 3031 |
|
|
0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */
|
| 3032 |
|
|
};
|
| 3033 |
|
|
|
| 3034 |
|
|
static const bfd_byte *elf_sh64_plt0_entry;
|
| 3035 |
|
|
static const bfd_byte *elf_sh64_plt_entry;
|
| 3036 |
|
|
static const bfd_byte *elf_sh64_pic_plt_entry;
|
| 3037 |
|
|
|
| 3038 |
|
|
/* Create an entry in an sh ELF linker hash table. */
|
| 3039 |
|
|
|
| 3040 |
|
|
static struct bfd_hash_entry *
|
| 3041 |
|
|
sh64_elf64_link_hash_newfunc (struct bfd_hash_entry *entry,
|
| 3042 |
|
|
struct bfd_hash_table *table,
|
| 3043 |
|
|
const char *string)
|
| 3044 |
|
|
{
|
| 3045 |
|
|
struct elf_sh64_link_hash_entry *ret =
|
| 3046 |
|
|
(struct elf_sh64_link_hash_entry *) entry;
|
| 3047 |
|
|
|
| 3048 |
|
|
/* Allocate the structure if it has not already been allocated by a
|
| 3049 |
|
|
subclass. */
|
| 3050 |
|
|
if (ret == (struct elf_sh64_link_hash_entry *) NULL)
|
| 3051 |
|
|
ret = ((struct elf_sh64_link_hash_entry *)
|
| 3052 |
|
|
bfd_hash_allocate (table,
|
| 3053 |
|
|
sizeof (struct elf_sh64_link_hash_entry)));
|
| 3054 |
|
|
if (ret == (struct elf_sh64_link_hash_entry *) NULL)
|
| 3055 |
|
|
return (struct bfd_hash_entry *) ret;
|
| 3056 |
|
|
|
| 3057 |
|
|
/* Call the allocation method of the superclass. */
|
| 3058 |
|
|
ret = ((struct elf_sh64_link_hash_entry *)
|
| 3059 |
|
|
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
|
| 3060 |
|
|
table, string));
|
| 3061 |
|
|
if (ret != (struct elf_sh64_link_hash_entry *) NULL)
|
| 3062 |
|
|
{
|
| 3063 |
|
|
ret->pcrel_relocs_copied = NULL;
|
| 3064 |
|
|
ret->datalabel_got_offset = (bfd_vma) -1;
|
| 3065 |
|
|
}
|
| 3066 |
|
|
|
| 3067 |
|
|
return (struct bfd_hash_entry *) ret;
|
| 3068 |
|
|
}
|
| 3069 |
|
|
|
| 3070 |
|
|
/* Create an sh64 ELF linker hash table. */
|
| 3071 |
|
|
|
| 3072 |
|
|
static struct bfd_link_hash_table *
|
| 3073 |
|
|
sh64_elf64_link_hash_table_create (bfd *abfd)
|
| 3074 |
|
|
{
|
| 3075 |
|
|
struct elf_link_hash_table *ret;
|
| 3076 |
|
|
|
| 3077 |
|
|
ret = (struct elf_link_hash_table *) bfd_malloc (sizeof (* ret));
|
| 3078 |
|
|
if (ret == (struct elf_link_hash_table *) NULL)
|
| 3079 |
|
|
return NULL;
|
| 3080 |
|
|
|
| 3081 |
|
|
if (!_bfd_elf_link_hash_table_init (ret, abfd,
|
| 3082 |
|
|
sh64_elf64_link_hash_newfunc,
|
| 3083 |
|
|
sizeof (struct elf_sh64_link_hash_entry),
|
| 3084 |
|
|
GENERIC_ELF_DATA))
|
| 3085 |
|
|
{
|
| 3086 |
|
|
free (ret);
|
| 3087 |
|
|
return NULL;
|
| 3088 |
|
|
}
|
| 3089 |
|
|
|
| 3090 |
|
|
return &ret->root;
|
| 3091 |
|
|
}
|
| 3092 |
|
|
|
| 3093 |
|
|
inline static void
|
| 3094 |
|
|
movi_shori_putval (bfd *output_bfd, unsigned long value, bfd_byte *addr)
|
| 3095 |
|
|
{
|
| 3096 |
|
|
bfd_put_32 (output_bfd,
|
| 3097 |
|
|
bfd_get_32 (output_bfd, addr)
|
| 3098 |
|
|
| ((value >> 6) & 0x3fffc00),
|
| 3099 |
|
|
addr);
|
| 3100 |
|
|
bfd_put_32 (output_bfd,
|
| 3101 |
|
|
bfd_get_32 (output_bfd, addr + 4)
|
| 3102 |
|
|
| ((value << 10) & 0x3fffc00),
|
| 3103 |
|
|
addr + 4);
|
| 3104 |
|
|
}
|
| 3105 |
|
|
|
| 3106 |
|
|
inline static void
|
| 3107 |
|
|
movi_3shori_putval (bfd *output_bfd, bfd_vma value, bfd_byte *addr)
|
| 3108 |
|
|
{
|
| 3109 |
|
|
bfd_put_32 (output_bfd,
|
| 3110 |
|
|
bfd_get_32 (output_bfd, addr)
|
| 3111 |
|
|
| ((value >> 38) & 0x3fffc00),
|
| 3112 |
|
|
addr);
|
| 3113 |
|
|
bfd_put_32 (output_bfd,
|
| 3114 |
|
|
bfd_get_32 (output_bfd, addr + 4)
|
| 3115 |
|
|
| ((value >> 22) & 0x3fffc00),
|
| 3116 |
|
|
addr + 4);
|
| 3117 |
|
|
bfd_put_32 (output_bfd,
|
| 3118 |
|
|
bfd_get_32 (output_bfd, addr + 8)
|
| 3119 |
|
|
| ((value >> 6) & 0x3fffc00),
|
| 3120 |
|
|
addr + 8);
|
| 3121 |
|
|
bfd_put_32 (output_bfd,
|
| 3122 |
|
|
bfd_get_32 (output_bfd, addr + 12)
|
| 3123 |
|
|
| ((value << 10) & 0x3fffc00),
|
| 3124 |
|
|
addr + 12);
|
| 3125 |
|
|
}
|
| 3126 |
|
|
|
| 3127 |
|
|
/* Create dynamic sections when linking against a dynamic object. */
|
| 3128 |
|
|
|
| 3129 |
|
|
static bfd_boolean
|
| 3130 |
|
|
sh64_elf64_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
| 3131 |
|
|
{
|
| 3132 |
|
|
flagword flags, pltflags;
|
| 3133 |
|
|
register asection *s;
|
| 3134 |
|
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
| 3135 |
|
|
int ptralign = 0;
|
| 3136 |
|
|
|
| 3137 |
|
|
switch (bed->s->arch_size)
|
| 3138 |
|
|
{
|
| 3139 |
|
|
case 32:
|
| 3140 |
|
|
ptralign = 2;
|
| 3141 |
|
|
break;
|
| 3142 |
|
|
|
| 3143 |
|
|
case 64:
|
| 3144 |
|
|
ptralign = 3;
|
| 3145 |
|
|
break;
|
| 3146 |
|
|
|
| 3147 |
|
|
default:
|
| 3148 |
|
|
bfd_set_error (bfd_error_bad_value);
|
| 3149 |
|
|
return FALSE;
|
| 3150 |
|
|
}
|
| 3151 |
|
|
|
| 3152 |
|
|
/* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
|
| 3153 |
|
|
.rel[a].bss sections. */
|
| 3154 |
|
|
|
| 3155 |
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| 3156 |
|
|
| SEC_LINKER_CREATED);
|
| 3157 |
|
|
|
| 3158 |
|
|
pltflags = flags;
|
| 3159 |
|
|
pltflags |= SEC_CODE;
|
| 3160 |
|
|
if (bed->plt_not_loaded)
|
| 3161 |
|
|
pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
|
| 3162 |
|
|
if (bed->plt_readonly)
|
| 3163 |
|
|
pltflags |= SEC_READONLY;
|
| 3164 |
|
|
|
| 3165 |
|
|
s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
|
| 3166 |
|
|
if (s == NULL
|
| 3167 |
|
|
|| ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
|
| 3168 |
|
|
return FALSE;
|
| 3169 |
|
|
|
| 3170 |
|
|
if (bed->want_plt_sym)
|
| 3171 |
|
|
{
|
| 3172 |
|
|
/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
|
| 3173 |
|
|
.plt section. */
|
| 3174 |
|
|
struct elf_link_hash_entry *h;
|
| 3175 |
|
|
struct bfd_link_hash_entry *bh = NULL;
|
| 3176 |
|
|
|
| 3177 |
|
|
if (! (_bfd_generic_link_add_one_symbol
|
| 3178 |
|
|
(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
|
| 3179 |
|
|
(bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh)))
|
| 3180 |
|
|
return FALSE;
|
| 3181 |
|
|
|
| 3182 |
|
|
h = (struct elf_link_hash_entry *) bh;
|
| 3183 |
|
|
h->def_regular = 1;
|
| 3184 |
|
|
h->type = STT_OBJECT;
|
| 3185 |
|
|
elf_hash_table (info)->hplt = h;
|
| 3186 |
|
|
|
| 3187 |
|
|
if (info->shared
|
| 3188 |
|
|
&& ! bfd_elf_link_record_dynamic_symbol (info, h))
|
| 3189 |
|
|
return FALSE;
|
| 3190 |
|
|
}
|
| 3191 |
|
|
|
| 3192 |
|
|
s = bfd_make_section_with_flags (abfd,
|
| 3193 |
|
|
bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
|
| 3194 |
|
|
flags | SEC_READONLY);
|
| 3195 |
|
|
if (s == NULL
|
| 3196 |
|
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
| 3197 |
|
|
return FALSE;
|
| 3198 |
|
|
|
| 3199 |
|
|
if (! _bfd_elf_create_got_section (abfd, info))
|
| 3200 |
|
|
return FALSE;
|
| 3201 |
|
|
|
| 3202 |
|
|
{
|
| 3203 |
|
|
const char *secname;
|
| 3204 |
|
|
char *relname;
|
| 3205 |
|
|
flagword secflags;
|
| 3206 |
|
|
asection *sec;
|
| 3207 |
|
|
|
| 3208 |
|
|
for (sec = abfd->sections; sec; sec = sec->next)
|
| 3209 |
|
|
{
|
| 3210 |
|
|
secflags = bfd_get_section_flags (abfd, sec);
|
| 3211 |
|
|
if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
|
| 3212 |
|
|
|| ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
|
| 3213 |
|
|
continue;
|
| 3214 |
|
|
secname = bfd_get_section_name (abfd, sec);
|
| 3215 |
|
|
relname = (char *) bfd_malloc (strlen (secname) + 6);
|
| 3216 |
|
|
strcpy (relname, ".rela");
|
| 3217 |
|
|
strcat (relname, secname);
|
| 3218 |
|
|
s = bfd_make_section_with_flags (abfd, relname,
|
| 3219 |
|
|
flags | SEC_READONLY);
|
| 3220 |
|
|
if (s == NULL
|
| 3221 |
|
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
| 3222 |
|
|
return FALSE;
|
| 3223 |
|
|
}
|
| 3224 |
|
|
}
|
| 3225 |
|
|
|
| 3226 |
|
|
if (bed->want_dynbss)
|
| 3227 |
|
|
{
|
| 3228 |
|
|
/* The .dynbss section is a place to put symbols which are defined
|
| 3229 |
|
|
by dynamic objects, are referenced by regular objects, and are
|
| 3230 |
|
|
not functions. We must allocate space for them in the process
|
| 3231 |
|
|
image and use a R_*_COPY reloc to tell the dynamic linker to
|
| 3232 |
|
|
initialize them at run time. The linker script puts the .dynbss
|
| 3233 |
|
|
section into the .bss section of the final image. */
|
| 3234 |
|
|
s = bfd_make_section_with_flags (abfd, ".dynbss",
|
| 3235 |
|
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
| 3236 |
|
|
if (s == NULL)
|
| 3237 |
|
|
return FALSE;
|
| 3238 |
|
|
|
| 3239 |
|
|
/* The .rel[a].bss section holds copy relocs. This section is not
|
| 3240 |
|
|
normally needed. We need to create it here, though, so that the
|
| 3241 |
|
|
linker will map it to an output section. We can't just create it
|
| 3242 |
|
|
only if we need it, because we will not know whether we need it
|
| 3243 |
|
|
until we have seen all the input files, and the first time the
|
| 3244 |
|
|
main linker code calls BFD after examining all the input files
|
| 3245 |
|
|
(size_dynamic_sections) the input sections have already been
|
| 3246 |
|
|
mapped to the output sections. If the section turns out not to
|
| 3247 |
|
|
be needed, we can discard it later. We will never need this
|
| 3248 |
|
|
section when generating a shared object, since they do not use
|
| 3249 |
|
|
copy relocs. */
|
| 3250 |
|
|
if (! info->shared)
|
| 3251 |
|
|
{
|
| 3252 |
|
|
s = bfd_make_section_with_flags (abfd,
|
| 3253 |
|
|
(bed->default_use_rela_p
|
| 3254 |
|
|
? ".rela.bss" : ".rel.bss"),
|
| 3255 |
|
|
flags | SEC_READONLY);
|
| 3256 |
|
|
if (s == NULL
|
| 3257 |
|
|
|| ! bfd_set_section_alignment (abfd, s, ptralign))
|
| 3258 |
|
|
return FALSE;
|
| 3259 |
|
|
}
|
| 3260 |
|
|
}
|
| 3261 |
|
|
|
| 3262 |
|
|
return TRUE;
|
| 3263 |
|
|
}
|
| 3264 |
|
|
|
| 3265 |
|
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
| 3266 |
|
|
regular object. The current definition is in some section of the
|
| 3267 |
|
|
dynamic object, but we're not including those sections. We have to
|
| 3268 |
|
|
change the definition to something the rest of the link can
|
| 3269 |
|
|
understand. */
|
| 3270 |
|
|
|
| 3271 |
|
|
static bfd_boolean
|
| 3272 |
|
|
sh64_elf64_adjust_dynamic_symbol (struct bfd_link_info *info,
|
| 3273 |
|
|
struct elf_link_hash_entry *h)
|
| 3274 |
|
|
{
|
| 3275 |
|
|
bfd *dynobj;
|
| 3276 |
|
|
asection *s;
|
| 3277 |
|
|
|
| 3278 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 3279 |
|
|
|
| 3280 |
|
|
/* Make sure we know what is going on here. */
|
| 3281 |
|
|
BFD_ASSERT (dynobj != NULL
|
| 3282 |
|
|
&& (h->needs_plt
|
| 3283 |
|
|
|| h->u.weakdef != NULL
|
| 3284 |
|
|
|| (h->def_dynamic
|
| 3285 |
|
|
&& h->ref_regular
|
| 3286 |
|
|
&& !h->def_regular)));
|
| 3287 |
|
|
|
| 3288 |
|
|
/* If this is a function, put it in the procedure linkage table. We
|
| 3289 |
|
|
will fill in the contents of the procedure linkage table later,
|
| 3290 |
|
|
when we know the address of the .got section. */
|
| 3291 |
|
|
if (h->type == STT_FUNC
|
| 3292 |
|
|
|| h->needs_plt)
|
| 3293 |
|
|
{
|
| 3294 |
|
|
if (! info->shared
|
| 3295 |
|
|
&& !h->def_dynamic
|
| 3296 |
|
|
&& !h->ref_dynamic)
|
| 3297 |
|
|
{
|
| 3298 |
|
|
/* This case can occur if we saw a PLT reloc in an input
|
| 3299 |
|
|
file, but the symbol was never referred to by a dynamic
|
| 3300 |
|
|
object. In such a case, we don't actually need to build
|
| 3301 |
|
|
a procedure linkage table, and we can just do a REL64
|
| 3302 |
|
|
reloc instead. */
|
| 3303 |
|
|
BFD_ASSERT (h->needs_plt);
|
| 3304 |
|
|
return TRUE;
|
| 3305 |
|
|
}
|
| 3306 |
|
|
|
| 3307 |
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
| 3308 |
|
|
if (h->dynindx == -1)
|
| 3309 |
|
|
{
|
| 3310 |
|
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
| 3311 |
|
|
return FALSE;
|
| 3312 |
|
|
}
|
| 3313 |
|
|
|
| 3314 |
|
|
s = bfd_get_section_by_name (dynobj, ".plt");
|
| 3315 |
|
|
BFD_ASSERT (s != NULL);
|
| 3316 |
|
|
|
| 3317 |
|
|
/* If this is the first .plt entry, make room for the special
|
| 3318 |
|
|
first entry. */
|
| 3319 |
|
|
if (s->size == 0)
|
| 3320 |
|
|
s->size += PLT_ENTRY_SIZE;
|
| 3321 |
|
|
|
| 3322 |
|
|
/* If this symbol is not defined in a regular file, and we are
|
| 3323 |
|
|
not generating a shared library, then set the symbol to this
|
| 3324 |
|
|
location in the .plt. This is required to make function
|
| 3325 |
|
|
pointers compare as equal between the normal executable and
|
| 3326 |
|
|
the shared library. */
|
| 3327 |
|
|
if (! info->shared
|
| 3328 |
|
|
&& !h->def_regular)
|
| 3329 |
|
|
{
|
| 3330 |
|
|
h->root.u.def.section = s;
|
| 3331 |
|
|
h->root.u.def.value = s->size;
|
| 3332 |
|
|
}
|
| 3333 |
|
|
|
| 3334 |
|
|
h->plt.offset = s->size;
|
| 3335 |
|
|
|
| 3336 |
|
|
/* Make room for this entry. */
|
| 3337 |
|
|
s->size += elf_sh64_sizeof_plt (info);
|
| 3338 |
|
|
|
| 3339 |
|
|
/* We also need to make an entry in the .got.plt section, which
|
| 3340 |
|
|
will be placed in the .got section by the linker script. */
|
| 3341 |
|
|
|
| 3342 |
|
|
s = bfd_get_section_by_name (dynobj, ".got.plt");
|
| 3343 |
|
|
BFD_ASSERT (s != NULL);
|
| 3344 |
|
|
s->size += 8;
|
| 3345 |
|
|
|
| 3346 |
|
|
/* We also need to make an entry in the .rela.plt section. */
|
| 3347 |
|
|
|
| 3348 |
|
|
s = bfd_get_section_by_name (dynobj, ".rela.plt");
|
| 3349 |
|
|
BFD_ASSERT (s != NULL);
|
| 3350 |
|
|
s->size += sizeof (Elf64_External_Rela);
|
| 3351 |
|
|
|
| 3352 |
|
|
return TRUE;
|
| 3353 |
|
|
}
|
| 3354 |
|
|
|
| 3355 |
|
|
/* If this is a weak symbol, and there is a real definition, the
|
| 3356 |
|
|
processor independent code will have arranged for us to see the
|
| 3357 |
|
|
real definition first, and we can just use the same value. */
|
| 3358 |
|
|
if (h->u.weakdef != NULL)
|
| 3359 |
|
|
{
|
| 3360 |
|
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
| 3361 |
|
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
| 3362 |
|
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
| 3363 |
|
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
| 3364 |
|
|
return TRUE;
|
| 3365 |
|
|
}
|
| 3366 |
|
|
|
| 3367 |
|
|
/* This is a reference to a symbol defined by a dynamic object which
|
| 3368 |
|
|
is not a function. */
|
| 3369 |
|
|
|
| 3370 |
|
|
/* If we are creating a shared library, we must presume that the
|
| 3371 |
|
|
only references to the symbol are via the global offset table.
|
| 3372 |
|
|
For such cases we need not do anything here; the relocations will
|
| 3373 |
|
|
be handled correctly by relocate_section. */
|
| 3374 |
|
|
if (info->shared)
|
| 3375 |
|
|
return TRUE;
|
| 3376 |
|
|
|
| 3377 |
|
|
/* If there are no references to this symbol that do not use the
|
| 3378 |
|
|
GOT, we don't need to generate a copy reloc. */
|
| 3379 |
|
|
if (!h->non_got_ref)
|
| 3380 |
|
|
return TRUE;
|
| 3381 |
|
|
|
| 3382 |
|
|
if (h->size == 0)
|
| 3383 |
|
|
{
|
| 3384 |
|
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
| 3385 |
|
|
h->root.root.string);
|
| 3386 |
|
|
return TRUE;
|
| 3387 |
|
|
}
|
| 3388 |
|
|
|
| 3389 |
|
|
/* We must allocate the symbol in our .dynbss section, which will
|
| 3390 |
|
|
become part of the .bss section of the executable. There will be
|
| 3391 |
|
|
an entry for this symbol in the .dynsym section. The dynamic
|
| 3392 |
|
|
object will contain position independent code, so all references
|
| 3393 |
|
|
from the dynamic object to this symbol will go through the global
|
| 3394 |
|
|
offset table. The dynamic linker will use the .dynsym entry to
|
| 3395 |
|
|
determine the address it must put in the global offset table, so
|
| 3396 |
|
|
both the dynamic object and the regular object will refer to the
|
| 3397 |
|
|
same memory location for the variable. */
|
| 3398 |
|
|
|
| 3399 |
|
|
s = bfd_get_section_by_name (dynobj, ".dynbss");
|
| 3400 |
|
|
BFD_ASSERT (s != NULL);
|
| 3401 |
|
|
|
| 3402 |
|
|
/* We must generate a R_SH_COPY reloc to tell the dynamic linker to
|
| 3403 |
|
|
copy the initial value out of the dynamic object and into the
|
| 3404 |
|
|
runtime process image. We need to remember the offset into the
|
| 3405 |
|
|
.rela.bss section we are going to use. */
|
| 3406 |
|
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
| 3407 |
|
|
{
|
| 3408 |
|
|
asection *srel;
|
| 3409 |
|
|
|
| 3410 |
|
|
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
|
| 3411 |
|
|
BFD_ASSERT (srel != NULL);
|
| 3412 |
|
|
srel->size += sizeof (Elf64_External_Rela);
|
| 3413 |
|
|
h->needs_copy = 1;
|
| 3414 |
|
|
}
|
| 3415 |
|
|
|
| 3416 |
|
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
| 3417 |
|
|
}
|
| 3418 |
|
|
|
| 3419 |
|
|
/* This function is called via sh_elf_link_hash_traverse if we are
|
| 3420 |
|
|
creating a shared object with -Bsymbolic. It discards the space
|
| 3421 |
|
|
allocated to copy PC relative relocs against symbols which are
|
| 3422 |
|
|
defined in regular objects. We allocated space for them in the
|
| 3423 |
|
|
check_relocs routine, but we won't fill them in in the
|
| 3424 |
|
|
relocate_section routine. */
|
| 3425 |
|
|
|
| 3426 |
|
|
static bfd_boolean
|
| 3427 |
|
|
sh64_elf64_discard_copies (struct elf_sh64_link_hash_entry *h,
|
| 3428 |
|
|
void *ignore ATTRIBUTE_UNUSED)
|
| 3429 |
|
|
{
|
| 3430 |
|
|
struct elf_sh64_pcrel_relocs_copied *s;
|
| 3431 |
|
|
|
| 3432 |
|
|
if (h->root.root.type == bfd_link_hash_warning)
|
| 3433 |
|
|
h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link;
|
| 3434 |
|
|
|
| 3435 |
|
|
/* We only discard relocs for symbols defined in a regular object. */
|
| 3436 |
|
|
if (!h->root.def_regular)
|
| 3437 |
|
|
return TRUE;
|
| 3438 |
|
|
|
| 3439 |
|
|
for (s = h->pcrel_relocs_copied; s != NULL; s = s->next)
|
| 3440 |
|
|
s->section->size -= s->count * sizeof (Elf64_External_Rela);
|
| 3441 |
|
|
|
| 3442 |
|
|
return TRUE;
|
| 3443 |
|
|
}
|
| 3444 |
|
|
|
| 3445 |
|
|
/* Set the sizes of the dynamic sections. */
|
| 3446 |
|
|
|
| 3447 |
|
|
static bfd_boolean
|
| 3448 |
|
|
sh64_elf64_size_dynamic_sections (bfd *output_bfd,
|
| 3449 |
|
|
struct bfd_link_info *info)
|
| 3450 |
|
|
{
|
| 3451 |
|
|
bfd *dynobj;
|
| 3452 |
|
|
asection *s;
|
| 3453 |
|
|
bfd_boolean plt;
|
| 3454 |
|
|
bfd_boolean relocs;
|
| 3455 |
|
|
bfd_boolean reltext;
|
| 3456 |
|
|
|
| 3457 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 3458 |
|
|
BFD_ASSERT (dynobj != NULL);
|
| 3459 |
|
|
|
| 3460 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
| 3461 |
|
|
{
|
| 3462 |
|
|
/* Set the contents of the .interp section to the interpreter. */
|
| 3463 |
|
|
if (info->executable)
|
| 3464 |
|
|
{
|
| 3465 |
|
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
| 3466 |
|
|
BFD_ASSERT (s != NULL);
|
| 3467 |
|
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
| 3468 |
|
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
| 3469 |
|
|
}
|
| 3470 |
|
|
}
|
| 3471 |
|
|
else
|
| 3472 |
|
|
{
|
| 3473 |
|
|
/* We may have created entries in the .rela.got section.
|
| 3474 |
|
|
However, if we are not creating the dynamic sections, we will
|
| 3475 |
|
|
not actually use these entries. Reset the size of .rela.got,
|
| 3476 |
|
|
which will cause it to get stripped from the output file
|
| 3477 |
|
|
below. */
|
| 3478 |
|
|
s = bfd_get_section_by_name (dynobj, ".rela.got");
|
| 3479 |
|
|
if (s != NULL)
|
| 3480 |
|
|
s->size = 0;
|
| 3481 |
|
|
}
|
| 3482 |
|
|
|
| 3483 |
|
|
/* If this is a -Bsymbolic shared link, then we need to discard all
|
| 3484 |
|
|
PC relative relocs against symbols defined in a regular object.
|
| 3485 |
|
|
We allocated space for them in the check_relocs routine, but we
|
| 3486 |
|
|
will not fill them in in the relocate_section routine. */
|
| 3487 |
|
|
if (info->shared && info->symbolic)
|
| 3488 |
|
|
sh64_elf64_link_hash_traverse (elf_hash_table (info),
|
| 3489 |
|
|
sh64_elf64_discard_copies, NULL);
|
| 3490 |
|
|
|
| 3491 |
|
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
| 3492 |
|
|
determined the sizes of the various dynamic sections. Allocate
|
| 3493 |
|
|
memory for them. */
|
| 3494 |
|
|
plt = FALSE;
|
| 3495 |
|
|
relocs = FALSE;
|
| 3496 |
|
|
reltext = FALSE;
|
| 3497 |
|
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
| 3498 |
|
|
{
|
| 3499 |
|
|
const char *name;
|
| 3500 |
|
|
|
| 3501 |
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
| 3502 |
|
|
continue;
|
| 3503 |
|
|
|
| 3504 |
|
|
/* It's OK to base decisions on the section name, because none
|
| 3505 |
|
|
of the dynobj section names depend upon the input files. */
|
| 3506 |
|
|
name = bfd_get_section_name (dynobj, s);
|
| 3507 |
|
|
|
| 3508 |
|
|
if (strcmp (name, ".plt") == 0)
|
| 3509 |
|
|
{
|
| 3510 |
|
|
/* Remember whether there is a PLT. */
|
| 3511 |
|
|
plt = s->size != 0;
|
| 3512 |
|
|
}
|
| 3513 |
|
|
else if (CONST_STRNEQ (name, ".rela"))
|
| 3514 |
|
|
{
|
| 3515 |
|
|
if (s->size != 0)
|
| 3516 |
|
|
{
|
| 3517 |
|
|
asection *target;
|
| 3518 |
|
|
|
| 3519 |
|
|
/* Remember whether there are any reloc sections other
|
| 3520 |
|
|
than .rela.plt. */
|
| 3521 |
|
|
if (strcmp (name, ".rela.plt") != 0)
|
| 3522 |
|
|
{
|
| 3523 |
|
|
const char *outname;
|
| 3524 |
|
|
|
| 3525 |
|
|
relocs = TRUE;
|
| 3526 |
|
|
|
| 3527 |
|
|
/* If this relocation section applies to a read only
|
| 3528 |
|
|
section, then we probably need a DT_TEXTREL
|
| 3529 |
|
|
entry. The entries in the .rela.plt section
|
| 3530 |
|
|
really apply to the .got section, which we
|
| 3531 |
|
|
created ourselves and so know is not readonly. */
|
| 3532 |
|
|
outname = bfd_get_section_name (output_bfd,
|
| 3533 |
|
|
s->output_section);
|
| 3534 |
|
|
target = bfd_get_section_by_name (output_bfd, outname + 5);
|
| 3535 |
|
|
if (target != NULL
|
| 3536 |
|
|
&& (target->flags & SEC_READONLY) != 0
|
| 3537 |
|
|
&& (target->flags & SEC_ALLOC) != 0)
|
| 3538 |
|
|
reltext = TRUE;
|
| 3539 |
|
|
}
|
| 3540 |
|
|
|
| 3541 |
|
|
/* We use the reloc_count field as a counter if we need
|
| 3542 |
|
|
to copy relocs into the output file. */
|
| 3543 |
|
|
s->reloc_count = 0;
|
| 3544 |
|
|
}
|
| 3545 |
|
|
}
|
| 3546 |
|
|
else if (! CONST_STRNEQ (name, ".got")
|
| 3547 |
|
|
&& strcmp (name, ".dynbss") != 0)
|
| 3548 |
|
|
{
|
| 3549 |
|
|
/* It's not one of our sections, so don't allocate space. */
|
| 3550 |
|
|
continue;
|
| 3551 |
|
|
}
|
| 3552 |
|
|
|
| 3553 |
|
|
if (s->size == 0)
|
| 3554 |
|
|
{
|
| 3555 |
|
|
/* If we don't need this section, strip it from the
|
| 3556 |
|
|
output file. This is mostly to handle .rela.bss and
|
| 3557 |
|
|
.rela.plt. We must create both sections in
|
| 3558 |
|
|
create_dynamic_sections, because they must be created
|
| 3559 |
|
|
before the linker maps input sections to output
|
| 3560 |
|
|
sections. The linker does that before
|
| 3561 |
|
|
adjust_dynamic_symbol is called, and it is that
|
| 3562 |
|
|
function which decides whether anything needs to go
|
| 3563 |
|
|
into these sections. */
|
| 3564 |
|
|
s->flags |= SEC_EXCLUDE;
|
| 3565 |
|
|
continue;
|
| 3566 |
|
|
}
|
| 3567 |
|
|
|
| 3568 |
|
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
| 3569 |
|
|
continue;
|
| 3570 |
|
|
|
| 3571 |
|
|
/* Allocate memory for the section contents. */
|
| 3572 |
|
|
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
|
| 3573 |
|
|
if (s->contents == NULL)
|
| 3574 |
|
|
return FALSE;
|
| 3575 |
|
|
}
|
| 3576 |
|
|
|
| 3577 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
| 3578 |
|
|
{
|
| 3579 |
|
|
/* Add some entries to the .dynamic section. We fill in the
|
| 3580 |
|
|
values later, in sh64_elf64_finish_dynamic_sections, but we
|
| 3581 |
|
|
must add the entries now so that we get the correct size for
|
| 3582 |
|
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
| 3583 |
|
|
dynamic linker and used by the debugger. */
|
| 3584 |
|
|
if (info->executable)
|
| 3585 |
|
|
{
|
| 3586 |
|
|
if (!_bfd_elf_add_dynamic_entry (info, DT_DEBUG, 0))
|
| 3587 |
|
|
return FALSE;
|
| 3588 |
|
|
}
|
| 3589 |
|
|
|
| 3590 |
|
|
if (plt)
|
| 3591 |
|
|
{
|
| 3592 |
|
|
if (!_bfd_elf_add_dynamic_entry (info, DT_PLTGOT, 0)
|
| 3593 |
|
|
|| !_bfd_elf_add_dynamic_entry (info, DT_PLTRELSZ, 0)
|
| 3594 |
|
|
|| !_bfd_elf_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
|
| 3595 |
|
|
|| !_bfd_elf_add_dynamic_entry (info, DT_JMPREL, 0))
|
| 3596 |
|
|
return FALSE;
|
| 3597 |
|
|
}
|
| 3598 |
|
|
|
| 3599 |
|
|
if (relocs)
|
| 3600 |
|
|
{
|
| 3601 |
|
|
if (!_bfd_elf_add_dynamic_entry (info, DT_RELA, 0)
|
| 3602 |
|
|
|| !_bfd_elf_add_dynamic_entry (info, DT_RELASZ, 0)
|
| 3603 |
|
|
|| !_bfd_elf_add_dynamic_entry (info, DT_RELAENT,
|
| 3604 |
|
|
sizeof (Elf64_External_Rela)))
|
| 3605 |
|
|
return FALSE;
|
| 3606 |
|
|
}
|
| 3607 |
|
|
|
| 3608 |
|
|
if (reltext)
|
| 3609 |
|
|
{
|
| 3610 |
|
|
if (!_bfd_elf_add_dynamic_entry (info, DT_TEXTREL, 0))
|
| 3611 |
|
|
return FALSE;
|
| 3612 |
|
|
}
|
| 3613 |
|
|
}
|
| 3614 |
|
|
|
| 3615 |
|
|
return TRUE;
|
| 3616 |
|
|
}
|
| 3617 |
|
|
|
| 3618 |
|
|
/* Finish up dynamic symbol handling. We set the contents of various
|
| 3619 |
|
|
dynamic sections here. */
|
| 3620 |
|
|
|
| 3621 |
|
|
static bfd_boolean
|
| 3622 |
|
|
sh64_elf64_finish_dynamic_symbol (bfd *output_bfd,
|
| 3623 |
|
|
struct bfd_link_info *info,
|
| 3624 |
|
|
struct elf_link_hash_entry *h,
|
| 3625 |
|
|
Elf_Internal_Sym *sym)
|
| 3626 |
|
|
{
|
| 3627 |
|
|
bfd *dynobj;
|
| 3628 |
|
|
|
| 3629 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 3630 |
|
|
|
| 3631 |
|
|
if (h->plt.offset != (bfd_vma) -1)
|
| 3632 |
|
|
{
|
| 3633 |
|
|
asection *splt;
|
| 3634 |
|
|
asection *sgot;
|
| 3635 |
|
|
asection *srel;
|
| 3636 |
|
|
|
| 3637 |
|
|
bfd_vma plt_index;
|
| 3638 |
|
|
bfd_vma got_offset;
|
| 3639 |
|
|
Elf_Internal_Rela rel;
|
| 3640 |
|
|
bfd_byte *loc;
|
| 3641 |
|
|
|
| 3642 |
|
|
/* This symbol has an entry in the procedure linkage table. Set
|
| 3643 |
|
|
it up. */
|
| 3644 |
|
|
|
| 3645 |
|
|
BFD_ASSERT (h->dynindx != -1);
|
| 3646 |
|
|
|
| 3647 |
|
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
| 3648 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
| 3649 |
|
|
srel = bfd_get_section_by_name (dynobj, ".rela.plt");
|
| 3650 |
|
|
BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
|
| 3651 |
|
|
|
| 3652 |
|
|
/* Get the index in the procedure linkage table which
|
| 3653 |
|
|
corresponds to this symbol. This is the index of this symbol
|
| 3654 |
|
|
in all the symbols for which we are making plt entries. The
|
| 3655 |
|
|
first entry in the procedure linkage table is reserved. */
|
| 3656 |
|
|
plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1;
|
| 3657 |
|
|
|
| 3658 |
|
|
/* Get the offset into the .got table of the entry that
|
| 3659 |
|
|
corresponds to this function. Each .got entry is 8 bytes.
|
| 3660 |
|
|
The first three are reserved. */
|
| 3661 |
|
|
got_offset = (plt_index + 3) * 8;
|
| 3662 |
|
|
|
| 3663 |
|
|
if (info->shared)
|
| 3664 |
|
|
got_offset -= GOT_BIAS;
|
| 3665 |
|
|
|
| 3666 |
|
|
/* Fill in the entry in the procedure linkage table. */
|
| 3667 |
|
|
if (! info->shared)
|
| 3668 |
|
|
{
|
| 3669 |
|
|
if (elf_sh64_plt_entry == NULL)
|
| 3670 |
|
|
{
|
| 3671 |
|
|
elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ?
|
| 3672 |
|
|
elf_sh64_plt_entry_be : elf_sh64_plt_entry_le);
|
| 3673 |
|
|
}
|
| 3674 |
|
|
memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry,
|
| 3675 |
|
|
elf_sh64_sizeof_plt (info));
|
| 3676 |
|
|
movi_3shori_putval (output_bfd,
|
| 3677 |
|
|
(sgot->output_section->vma
|
| 3678 |
|
|
+ sgot->output_offset
|
| 3679 |
|
|
+ got_offset),
|
| 3680 |
|
|
(splt->contents + h->plt.offset
|
| 3681 |
|
|
+ elf_sh64_plt_symbol_offset (info)));
|
| 3682 |
|
|
|
| 3683 |
|
|
/* Set bottom bit because its for a branch to SHmedia */
|
| 3684 |
|
|
movi_shori_putval (output_bfd,
|
| 3685 |
|
|
-(h->plt.offset
|
| 3686 |
|
|
+ elf_sh64_plt_plt0_offset (info) + 8)
|
| 3687 |
|
|
| 1,
|
| 3688 |
|
|
(splt->contents + h->plt.offset
|
| 3689 |
|
|
+ elf_sh64_plt_plt0_offset (info)));
|
| 3690 |
|
|
}
|
| 3691 |
|
|
else
|
| 3692 |
|
|
{
|
| 3693 |
|
|
if (elf_sh64_pic_plt_entry == NULL)
|
| 3694 |
|
|
{
|
| 3695 |
|
|
elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
|
| 3696 |
|
|
elf_sh64_pic_plt_entry_be :
|
| 3697 |
|
|
elf_sh64_pic_plt_entry_le);
|
| 3698 |
|
|
}
|
| 3699 |
|
|
memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry,
|
| 3700 |
|
|
elf_sh64_sizeof_plt (info));
|
| 3701 |
|
|
movi_shori_putval (output_bfd, got_offset,
|
| 3702 |
|
|
(splt->contents + h->plt.offset
|
| 3703 |
|
|
+ elf_sh64_plt_symbol_offset (info)));
|
| 3704 |
|
|
}
|
| 3705 |
|
|
|
| 3706 |
|
|
if (info->shared)
|
| 3707 |
|
|
got_offset += GOT_BIAS;
|
| 3708 |
|
|
|
| 3709 |
|
|
movi_shori_putval (output_bfd,
|
| 3710 |
|
|
plt_index * sizeof (Elf64_External_Rela),
|
| 3711 |
|
|
(splt->contents + h->plt.offset
|
| 3712 |
|
|
+ elf_sh64_plt_reloc_offset (info)));
|
| 3713 |
|
|
|
| 3714 |
|
|
/* Fill in the entry in the global offset table. */
|
| 3715 |
|
|
bfd_put_64 (output_bfd,
|
| 3716 |
|
|
(splt->output_section->vma
|
| 3717 |
|
|
+ splt->output_offset
|
| 3718 |
|
|
+ h->plt.offset
|
| 3719 |
|
|
+ elf_sh64_plt_temp_offset (info)),
|
| 3720 |
|
|
sgot->contents + got_offset);
|
| 3721 |
|
|
|
| 3722 |
|
|
/* Fill in the entry in the .rela.plt section. */
|
| 3723 |
|
|
rel.r_offset = (sgot->output_section->vma
|
| 3724 |
|
|
+ sgot->output_offset
|
| 3725 |
|
|
+ got_offset);
|
| 3726 |
|
|
rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64);
|
| 3727 |
|
|
rel.r_addend = 0;
|
| 3728 |
|
|
rel.r_addend = GOT_BIAS;
|
| 3729 |
|
|
loc = srel->contents + plt_index * sizeof (Elf64_External_Rela);
|
| 3730 |
|
|
bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
|
| 3731 |
|
|
|
| 3732 |
|
|
if (!h->def_regular)
|
| 3733 |
|
|
{
|
| 3734 |
|
|
/* Mark the symbol as undefined, rather than as defined in
|
| 3735 |
|
|
the .plt section. Leave the value alone. */
|
| 3736 |
|
|
sym->st_shndx = SHN_UNDEF;
|
| 3737 |
|
|
}
|
| 3738 |
|
|
}
|
| 3739 |
|
|
|
| 3740 |
|
|
if (h->got.offset != (bfd_vma) -1)
|
| 3741 |
|
|
{
|
| 3742 |
|
|
asection *sgot;
|
| 3743 |
|
|
asection *srel;
|
| 3744 |
|
|
Elf_Internal_Rela rel;
|
| 3745 |
|
|
bfd_byte *loc;
|
| 3746 |
|
|
|
| 3747 |
|
|
/* This symbol has an entry in the global offset table. Set it
|
| 3748 |
|
|
up. */
|
| 3749 |
|
|
|
| 3750 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got");
|
| 3751 |
|
|
srel = bfd_get_section_by_name (dynobj, ".rela.got");
|
| 3752 |
|
|
BFD_ASSERT (sgot != NULL && srel != NULL);
|
| 3753 |
|
|
|
| 3754 |
|
|
rel.r_offset = (sgot->output_section->vma
|
| 3755 |
|
|
+ sgot->output_offset
|
| 3756 |
|
|
+ (h->got.offset &~ 1));
|
| 3757 |
|
|
|
| 3758 |
|
|
/* If this is a -Bsymbolic link, and the symbol is defined
|
| 3759 |
|
|
locally, we just want to emit a RELATIVE reloc. Likewise if
|
| 3760 |
|
|
the symbol was forced to be local because of a version file.
|
| 3761 |
|
|
The entry in the global offset table will already have been
|
| 3762 |
|
|
initialized in the relocate_section function. */
|
| 3763 |
|
|
if (info->shared
|
| 3764 |
|
|
&& (info->symbolic || h->dynindx == -1)
|
| 3765 |
|
|
&& h->def_regular)
|
| 3766 |
|
|
{
|
| 3767 |
|
|
rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64);
|
| 3768 |
|
|
rel.r_addend = (h->root.u.def.value
|
| 3769 |
|
|
+ h->root.u.def.section->output_section->vma
|
| 3770 |
|
|
+ h->root.u.def.section->output_offset);
|
| 3771 |
|
|
}
|
| 3772 |
|
|
else
|
| 3773 |
|
|
{
|
| 3774 |
|
|
bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
|
| 3775 |
|
|
rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64);
|
| 3776 |
|
|
rel.r_addend = 0;
|
| 3777 |
|
|
}
|
| 3778 |
|
|
|
| 3779 |
|
|
loc = srel->contents;
|
| 3780 |
|
|
loc += srel->reloc_count++ * sizeof (Elf64_External_Rela);
|
| 3781 |
|
|
bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
|
| 3782 |
|
|
}
|
| 3783 |
|
|
|
| 3784 |
|
|
if (h->needs_copy)
|
| 3785 |
|
|
{
|
| 3786 |
|
|
asection *s;
|
| 3787 |
|
|
Elf_Internal_Rela rel;
|
| 3788 |
|
|
bfd_byte *loc;
|
| 3789 |
|
|
|
| 3790 |
|
|
/* This symbol needs a copy reloc. Set it up. */
|
| 3791 |
|
|
|
| 3792 |
|
|
BFD_ASSERT (h->dynindx != -1
|
| 3793 |
|
|
&& (h->root.type == bfd_link_hash_defined
|
| 3794 |
|
|
|| h->root.type == bfd_link_hash_defweak));
|
| 3795 |
|
|
|
| 3796 |
|
|
s = bfd_get_section_by_name (h->root.u.def.section->owner,
|
| 3797 |
|
|
".rela.bss");
|
| 3798 |
|
|
BFD_ASSERT (s != NULL);
|
| 3799 |
|
|
|
| 3800 |
|
|
rel.r_offset = (h->root.u.def.value
|
| 3801 |
|
|
+ h->root.u.def.section->output_section->vma
|
| 3802 |
|
|
+ h->root.u.def.section->output_offset);
|
| 3803 |
|
|
rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64);
|
| 3804 |
|
|
rel.r_addend = 0;
|
| 3805 |
|
|
loc = s->contents;
|
| 3806 |
|
|
loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
|
| 3807 |
|
|
bfd_elf64_swap_reloca_out (output_bfd, &rel, loc);
|
| 3808 |
|
|
}
|
| 3809 |
|
|
|
| 3810 |
|
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
|
| 3811 |
|
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
| 3812 |
|
|
|| h == elf_hash_table (info)->hgot)
|
| 3813 |
|
|
sym->st_shndx = SHN_ABS;
|
| 3814 |
|
|
|
| 3815 |
|
|
return TRUE;
|
| 3816 |
|
|
}
|
| 3817 |
|
|
|
| 3818 |
|
|
/* Finish up the dynamic sections. */
|
| 3819 |
|
|
|
| 3820 |
|
|
static bfd_boolean
|
| 3821 |
|
|
sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
|
| 3822 |
|
|
struct bfd_link_info *info)
|
| 3823 |
|
|
{
|
| 3824 |
|
|
bfd *dynobj;
|
| 3825 |
|
|
asection *sgot;
|
| 3826 |
|
|
asection *sdyn;
|
| 3827 |
|
|
|
| 3828 |
|
|
dynobj = elf_hash_table (info)->dynobj;
|
| 3829 |
|
|
|
| 3830 |
|
|
sgot = bfd_get_section_by_name (dynobj, ".got.plt");
|
| 3831 |
|
|
BFD_ASSERT (sgot != NULL);
|
| 3832 |
|
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
| 3833 |
|
|
|
| 3834 |
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
| 3835 |
|
|
{
|
| 3836 |
|
|
asection *splt;
|
| 3837 |
|
|
Elf64_External_Dyn *dyncon, *dynconend;
|
| 3838 |
|
|
|
| 3839 |
|
|
BFD_ASSERT (sdyn != NULL);
|
| 3840 |
|
|
|
| 3841 |
|
|
dyncon = (Elf64_External_Dyn *) sdyn->contents;
|
| 3842 |
|
|
dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
|
| 3843 |
|
|
for (; dyncon < dynconend; dyncon++)
|
| 3844 |
|
|
{
|
| 3845 |
|
|
Elf_Internal_Dyn dyn;
|
| 3846 |
|
|
const char *name;
|
| 3847 |
|
|
asection *s;
|
| 3848 |
|
|
struct elf_link_hash_entry *h;
|
| 3849 |
|
|
|
| 3850 |
|
|
bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
|
| 3851 |
|
|
|
| 3852 |
|
|
switch (dyn.d_tag)
|
| 3853 |
|
|
{
|
| 3854 |
|
|
default:
|
| 3855 |
|
|
break;
|
| 3856 |
|
|
|
| 3857 |
|
|
case DT_INIT:
|
| 3858 |
|
|
name = info->init_function;
|
| 3859 |
|
|
goto get_sym;
|
| 3860 |
|
|
|
| 3861 |
|
|
case DT_FINI:
|
| 3862 |
|
|
name = info->fini_function;
|
| 3863 |
|
|
get_sym:
|
| 3864 |
|
|
if (dyn.d_un.d_val != 0)
|
| 3865 |
|
|
{
|
| 3866 |
|
|
h = elf_link_hash_lookup (elf_hash_table (info), name,
|
| 3867 |
|
|
FALSE, FALSE, TRUE);
|
| 3868 |
|
|
if (h != NULL && (h->other & STO_SH5_ISA32))
|
| 3869 |
|
|
{
|
| 3870 |
|
|
dyn.d_un.d_val |= 1;
|
| 3871 |
|
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
| 3872 |
|
|
}
|
| 3873 |
|
|
}
|
| 3874 |
|
|
break;
|
| 3875 |
|
|
|
| 3876 |
|
|
case DT_PLTGOT:
|
| 3877 |
|
|
name = ".got";
|
| 3878 |
|
|
goto get_vma;
|
| 3879 |
|
|
|
| 3880 |
|
|
case DT_JMPREL:
|
| 3881 |
|
|
name = ".rela.plt";
|
| 3882 |
|
|
get_vma:
|
| 3883 |
|
|
s = bfd_get_section_by_name (output_bfd, name);
|
| 3884 |
|
|
BFD_ASSERT (s != NULL);
|
| 3885 |
|
|
dyn.d_un.d_ptr = s->vma;
|
| 3886 |
|
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
| 3887 |
|
|
break;
|
| 3888 |
|
|
|
| 3889 |
|
|
case DT_PLTRELSZ:
|
| 3890 |
|
|
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
| 3891 |
|
|
BFD_ASSERT (s != NULL);
|
| 3892 |
|
|
dyn.d_un.d_val = s->size;
|
| 3893 |
|
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
| 3894 |
|
|
break;
|
| 3895 |
|
|
|
| 3896 |
|
|
case DT_RELASZ:
|
| 3897 |
|
|
/* My reading of the SVR4 ABI indicates that the
|
| 3898 |
|
|
procedure linkage table relocs (DT_JMPREL) should be
|
| 3899 |
|
|
included in the overall relocs (DT_RELA). This is
|
| 3900 |
|
|
what Solaris does. However, UnixWare can not handle
|
| 3901 |
|
|
that case. Therefore, we override the DT_RELASZ entry
|
| 3902 |
|
|
here to make it not include the JMPREL relocs. Since
|
| 3903 |
|
|
the linker script arranges for .rela.plt to follow all
|
| 3904 |
|
|
other relocation sections, we don't have to worry
|
| 3905 |
|
|
about changing the DT_RELA entry. */
|
| 3906 |
|
|
s = bfd_get_section_by_name (output_bfd, ".rela.plt");
|
| 3907 |
|
|
if (s != NULL)
|
| 3908 |
|
|
dyn.d_un.d_val -= s->size;
|
| 3909 |
|
|
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
|
| 3910 |
|
|
break;
|
| 3911 |
|
|
}
|
| 3912 |
|
|
}
|
| 3913 |
|
|
|
| 3914 |
|
|
/* Fill in the first entry in the procedure linkage table. */
|
| 3915 |
|
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
| 3916 |
|
|
if (splt && splt->size > 0)
|
| 3917 |
|
|
{
|
| 3918 |
|
|
if (info->shared)
|
| 3919 |
|
|
{
|
| 3920 |
|
|
if (elf_sh64_pic_plt_entry == NULL)
|
| 3921 |
|
|
{
|
| 3922 |
|
|
elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ?
|
| 3923 |
|
|
elf_sh64_pic_plt_entry_be :
|
| 3924 |
|
|
elf_sh64_pic_plt_entry_le);
|
| 3925 |
|
|
}
|
| 3926 |
|
|
memcpy (splt->contents, elf_sh64_pic_plt_entry,
|
| 3927 |
|
|
elf_sh64_sizeof_plt (info));
|
| 3928 |
|
|
}
|
| 3929 |
|
|
else
|
| 3930 |
|
|
{
|
| 3931 |
|
|
if (elf_sh64_plt0_entry == NULL)
|
| 3932 |
|
|
{
|
| 3933 |
|
|
elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ?
|
| 3934 |
|
|
elf_sh64_plt0_entry_be :
|
| 3935 |
|
|
elf_sh64_plt0_entry_le);
|
| 3936 |
|
|
}
|
| 3937 |
|
|
memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE);
|
| 3938 |
|
|
movi_3shori_putval (output_bfd,
|
| 3939 |
|
|
sgot->output_section->vma
|
| 3940 |
|
|
+ sgot->output_offset,
|
| 3941 |
|
|
splt->contents
|
| 3942 |
|
|
+ elf_sh64_plt0_gotplt_offset (info));
|
| 3943 |
|
|
}
|
| 3944 |
|
|
|
| 3945 |
|
|
/* UnixWare sets the entsize of .plt to 8, although that doesn't
|
| 3946 |
|
|
really seem like the right value. */
|
| 3947 |
|
|
elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8;
|
| 3948 |
|
|
}
|
| 3949 |
|
|
}
|
| 3950 |
|
|
|
| 3951 |
|
|
/* Fill in the first three entries in the global offset table. */
|
| 3952 |
|
|
if (sgot->size > 0)
|
| 3953 |
|
|
{
|
| 3954 |
|
|
if (sdyn == NULL)
|
| 3955 |
|
|
bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents);
|
| 3956 |
|
|
else
|
| 3957 |
|
|
bfd_put_64 (output_bfd,
|
| 3958 |
|
|
sdyn->output_section->vma + sdyn->output_offset,
|
| 3959 |
|
|
sgot->contents);
|
| 3960 |
|
|
bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
|
| 3961 |
|
|
bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16);
|
| 3962 |
|
|
}
|
| 3963 |
|
|
|
| 3964 |
|
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8;
|
| 3965 |
|
|
|
| 3966 |
|
|
return TRUE;
|
| 3967 |
|
|
}
|
| 3968 |
|
|
|
| 3969 |
|
|
/* Merge non visibility st_other attribute when the symbol comes from
|
| 3970 |
|
|
a dynamic object. */
|
| 3971 |
|
|
static void
|
| 3972 |
|
|
sh64_elf64_merge_symbol_attribute (struct elf_link_hash_entry *h,
|
| 3973 |
|
|
const Elf_Internal_Sym *isym,
|
| 3974 |
|
|
bfd_boolean definition,
|
| 3975 |
|
|
bfd_boolean dynamic ATTRIBUTE_UNUSED)
|
| 3976 |
|
|
{
|
| 3977 |
|
|
if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0)
|
| 3978 |
|
|
{
|
| 3979 |
|
|
unsigned char other;
|
| 3980 |
|
|
|
| 3981 |
|
|
/* Take the balance of OTHER from the definition. */
|
| 3982 |
|
|
other = (definition ? isym->st_other : h->other);
|
| 3983 |
|
|
other &= ~ ELF_ST_VISIBILITY (-1);
|
| 3984 |
|
|
h->other = other | ELF_ST_VISIBILITY (h->other);
|
| 3985 |
|
|
}
|
| 3986 |
|
|
|
| 3987 |
|
|
return;
|
| 3988 |
|
|
}
|
| 3989 |
|
|
|
| 3990 |
|
|
static const struct bfd_elf_special_section sh64_elf64_special_sections[]=
|
| 3991 |
|
|
{
|
| 3992 |
|
|
{ STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 },
|
| 3993 |
|
|
{ NULL, 0, 0, 0, 0 }
|
| 3994 |
|
|
};
|
| 3995 |
|
|
|
| 3996 |
|
|
#define TARGET_BIG_SYM bfd_elf64_sh64_vec
|
| 3997 |
|
|
#define TARGET_BIG_NAME "elf64-sh64"
|
| 3998 |
|
|
#define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec
|
| 3999 |
|
|
#define TARGET_LITTLE_NAME "elf64-sh64l"
|
| 4000 |
|
|
#define ELF_ARCH bfd_arch_sh
|
| 4001 |
|
|
#define ELF_MACHINE_CODE EM_SH
|
| 4002 |
|
|
#define ELF_MAXPAGESIZE 128
|
| 4003 |
|
|
|
| 4004 |
|
|
#define elf_symbol_leading_char '_'
|
| 4005 |
|
|
|
| 4006 |
|
|
#define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup
|
| 4007 |
|
|
#define bfd_elf64_bfd_reloc_name_lookup \
|
| 4008 |
|
|
sh_elf64_reloc_name_lookup
|
| 4009 |
|
|
#define elf_info_to_howto sh_elf64_info_to_howto
|
| 4010 |
|
|
|
| 4011 |
|
|
/* Note: there's no relaxation at present. */
|
| 4012 |
|
|
|
| 4013 |
|
|
#define elf_backend_relocate_section sh_elf64_relocate_section
|
| 4014 |
|
|
#define bfd_elf64_bfd_get_relocated_section_contents \
|
| 4015 |
|
|
sh_elf64_get_relocated_section_contents
|
| 4016 |
|
|
#define elf_backend_object_p sh_elf64_set_mach_from_flags
|
| 4017 |
|
|
#define bfd_elf64_bfd_set_private_flags \
|
| 4018 |
|
|
sh_elf64_set_private_flags
|
| 4019 |
|
|
#define bfd_elf64_bfd_copy_private_bfd_data \
|
| 4020 |
|
|
sh_elf64_copy_private_data
|
| 4021 |
|
|
#define bfd_elf64_bfd_merge_private_bfd_data \
|
| 4022 |
|
|
sh_elf64_merge_private_data
|
| 4023 |
|
|
#define elf_backend_fake_sections sh64_elf64_fake_sections
|
| 4024 |
|
|
|
| 4025 |
|
|
#define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook
|
| 4026 |
|
|
#define elf_backend_check_relocs sh_elf64_check_relocs
|
| 4027 |
|
|
|
| 4028 |
|
|
#define elf_backend_can_gc_sections 1
|
| 4029 |
|
|
|
| 4030 |
|
|
#define elf_backend_get_symbol_type sh64_elf64_get_symbol_type
|
| 4031 |
|
|
|
| 4032 |
|
|
#define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook
|
| 4033 |
|
|
|
| 4034 |
|
|
#define elf_backend_link_output_symbol_hook \
|
| 4035 |
|
|
sh64_elf64_link_output_symbol_hook
|
| 4036 |
|
|
|
| 4037 |
|
|
#define elf_backend_merge_symbol_attribute \
|
| 4038 |
|
|
sh64_elf64_merge_symbol_attribute
|
| 4039 |
|
|
|
| 4040 |
|
|
#define elf_backend_final_write_processing \
|
| 4041 |
|
|
sh64_elf64_final_write_processing
|
| 4042 |
|
|
|
| 4043 |
|
|
#define elf_backend_create_dynamic_sections \
|
| 4044 |
|
|
sh64_elf64_create_dynamic_sections
|
| 4045 |
|
|
#define bfd_elf64_bfd_link_hash_table_create \
|
| 4046 |
|
|
sh64_elf64_link_hash_table_create
|
| 4047 |
|
|
#define elf_backend_adjust_dynamic_symbol \
|
| 4048 |
|
|
sh64_elf64_adjust_dynamic_symbol
|
| 4049 |
|
|
#define elf_backend_size_dynamic_sections \
|
| 4050 |
|
|
sh64_elf64_size_dynamic_sections
|
| 4051 |
|
|
#define elf_backend_omit_section_dynsym \
|
| 4052 |
|
|
((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
|
| 4053 |
|
|
#define elf_backend_finish_dynamic_symbol \
|
| 4054 |
|
|
sh64_elf64_finish_dynamic_symbol
|
| 4055 |
|
|
#define elf_backend_finish_dynamic_sections \
|
| 4056 |
|
|
sh64_elf64_finish_dynamic_sections
|
| 4057 |
|
|
#define elf_backend_special_sections sh64_elf64_special_sections
|
| 4058 |
|
|
|
| 4059 |
|
|
#define elf_backend_want_got_plt 1
|
| 4060 |
|
|
#define elf_backend_plt_readonly 1
|
| 4061 |
|
|
#define elf_backend_want_plt_sym 0
|
| 4062 |
|
|
#define elf_backend_got_header_size 24
|
| 4063 |
|
|
|
| 4064 |
|
|
#include "elf64-target.h"
|
| 4065 |
|
|
|
| 4066 |
|
|
/* NetBSD support. */
|
| 4067 |
|
|
#undef TARGET_BIG_SYM
|
| 4068 |
|
|
#define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec
|
| 4069 |
|
|
#undef TARGET_BIG_NAME
|
| 4070 |
|
|
#define TARGET_BIG_NAME "elf64-sh64-nbsd"
|
| 4071 |
|
|
#undef TARGET_LITTLE_SYM
|
| 4072 |
|
|
#define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec
|
| 4073 |
|
|
#undef TARGET_LITTLE_NAME
|
| 4074 |
|
|
#define TARGET_LITTLE_NAME "elf64-sh64l-nbsd"
|
| 4075 |
|
|
#undef ELF_MAXPAGESIZE
|
| 4076 |
|
|
#define ELF_MAXPAGESIZE 0x10000
|
| 4077 |
|
|
#undef elf_symbol_leading_char
|
| 4078 |
|
|
#define elf_symbol_leading_char 0
|
| 4079 |
|
|
|
| 4080 |
|
|
#define elf64_bed elf64_sh64_nbsd_bed
|
| 4081 |
|
|
|
| 4082 |
|
|
#include "elf64-target.h"
|
| 4083 |
|
|
|
| 4084 |
|
|
/* Linux support. */
|
| 4085 |
|
|
#undef TARGET_BIG_SYM
|
| 4086 |
|
|
#define TARGET_BIG_SYM bfd_elf64_sh64blin_vec
|
| 4087 |
|
|
#undef TARGET_BIG_NAME
|
| 4088 |
|
|
#define TARGET_BIG_NAME "elf64-sh64big-linux"
|
| 4089 |
|
|
#undef TARGET_LITTLE_SYM
|
| 4090 |
|
|
#define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec
|
| 4091 |
|
|
#undef TARGET_LITTLE_NAME
|
| 4092 |
|
|
#define TARGET_LITTLE_NAME "elf64-sh64-linux"
|
| 4093 |
|
|
#undef elf64_bed
|
| 4094 |
|
|
#define elf64_bed elf64_sh64_linux_bed
|
| 4095 |
|
|
|
| 4096 |
|
|
#include "elf64-target.h"
|
