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40b365969f
* Makefile.am (ALL_MACHINES): Add cpu-tic6x.lo. (ALL_MACHINES_CFILES): Add cpu-tic6x.c. (BFD32_BACKENDS): Add elf32-tic6x.lo. (BFD32_BACKENDS_CFILES): Add elf32-tic6x.c. * Makefile.in: Regenerate. * archures.c (bfd_arch_tic6x, bfd_tic6x_arch): New. (bfd_archures_list): Update. * config.bfd (tic6x-*-elf): New. * configure.in (bfd_elf32_tic6x_be_vec, bfd_elf32_tic6x_le_vec): New. * configure: Regenerate. * cpu-tic6x.c, elf32-tic6x.c: New. * reloc.c (BFD_RELOC_C6000_PCR_S21, BFD_RELOC_C6000_PCR_S12, BFD_RELOC_C6000_PCR_S10, BFD_RELOC_C6000_PCR_S7, BFD_RELOC_C6000_ABS_S16, BFD_RELOC_C6000_ABS_L16, BFD_RELOC_C6000_ABS_H16, BFD_RELOC_C6000_SBR_U15_B, BFD_RELOC_C6000_SBR_U15_H, BFD_RELOC_C6000_SBR_U15_W, BFD_RELOC_C6000_SBR_S16, BFD_RELOC_C6000_SBR_L16_B, BFD_RELOC_C6000_SBR_L16_H, BFD_RELOC_C6000_SBR_L16_W, BFD_RELOC_C6000_SBR_H16_B, BFD_RELOC_C6000_SBR_H16_H, BFD_RELOC_C6000_SBR_H16_W, BFD_RELOC_C6000_SBR_GOT_U15_W, BFD_RELOC_C6000_SBR_GOT_L16_W, BFD_RELOC_C6000_SBR_GOT_H16_W, BFD_RELOC_C6000_DSBT_INDEX, BFD_RELOC_C6000_PREL31, BFD_RELOC_C6000_COPY, BFD_RELOC_C6000_ALIGN, BFD_RELOC_C6000_FPHEAD, BFD_RELOC_C6000_NOCMP): New. * targets.c (bfd_elf32_tic6x_be_vec, bfd_elf32_tic6x_le_vec): New. (_bfd_target_vector): Update. * bfd-in2.h, libbfd.h: Regenerate. binutils: * MAINTAINERS: Add self as TI C6X maintainer. * NEWS: Add news entry for TI C6X support. * readelf.c: Include elf/tic6x.h. (guess_is_rela): Handle EM_TI_C6000. (dump_relocations): Likewise. (get_tic6x_dynamic_type): New. (get_dynamic_type): Call it. (get_machine_flags): Handle EF_C6000_REL. (get_osabi_name): Handle machine-specific values only for relevant machines. Handle C6X values. (get_tic6x_segment_type): New. (get_segment_type): Call it. (get_tic6x_section_type_name): New. (get_section_type_name): Call it. (is_32bit_abs_reloc, is_16bit_abs_reloc, is_none_reloc): Handle EM_TI_C6000. gas: * Makefile.am (TARGET_CPU_CFILES): Add config/tc-tic6x.c. (TARGET_CPU_HFILES): Add config/tc-tic6x.h. * Makefile.in: Regenerate. * NEWS: Add news entry for TI C6X support. * app.c (do_scrub_chars): Handle "||^" for TI C6X. Handle TC_PREDICATE_START_CHAR and TC_PREDICATE_END_CHAR. Keep spaces in operands if TC_KEEP_OPERAND_SPACES. * configure.tgt (tic6x-*-*): New. * config/tc-ia64.h (TC_PREDICATE_START_CHAR, TC_PREDICATE_END_CHAR): Define. * config/tc-tic6x.c, config/tc-tic6x.h: New. * doc/Makefile.am (CPU_DOCS): Add c-tic6x.texi. * doc/Makefile.in: Regenerate. * doc/all.texi (TIC6X): Define. * doc/as.texinfo: Add TI C6X documentation. Include c-tic6x.texi. * doc/c-tic6x.texi: New. gas/testsuite: * gas/tic6x: New directory and testcases. include: * dis-asm.h (print_insn_tic6x): Declare. include/elf: * common.h (ELFOSABI_C6000_ELFABI, ELFOSABI_C6000_LINUX): Define. * tic6x.h: New. include/opcode: * tic6x-control-registers.h, tic6x-insn-formats.h, tic6x-opcode-table.h, tic6x.h: New. ld: * Makefile.am (ALL_EMULATIONS): Add eelf32_tic6x_be.o and eelf32_tic6x_le.o. (eelf32_tic6x_be.c, eelf32_tic6x_le.c): New. * NEWS: Add news entry for TI C6X support. * configure.tgt (tic6x-*-*): New. * emulparams/elf32_tic6x_be.sh, emulparams/elf32_tic6x_le.sh: New. ld/testsuite: * ld-elf/flags1.d, ld-elf/merge.d: XFAIL for tic6x-*-*. * ld-elf/sec-to-seg.exp: Set B_test_same_seg to 0 for tic6x-*-*. * ld-tic6x: New directory and testcases. opcodes: * Makefile.am (TARGET_LIBOPCODES_CFILES): Add tic6x-dis.c. * Makefile.in: Regenerate. * configure.in (bfd_tic6x_arch): New. * configure: Regenerate. * disassemble.c (ARCH_tic6x): Define if ARCH_all. (disassembler): Handle TI C6X. * tic6x-dis.c: New.
1001 lines
28 KiB
C
1001 lines
28 KiB
C
/* 32-bit ELF support for TI C6X
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Copyright 2010
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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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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "libiberty.h"
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#include "elf-bfd.h"
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#include "elf/tic6x.h"
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static reloc_howto_type elf32_tic6x_howto_table[] =
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{
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HOWTO (R_C6000_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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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_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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HOWTO (R_C6000_ABS32, /* 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_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS32", /* 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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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_ABS16, /* 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_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x0000ffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_ABS8, /* type */
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0, /* rightshift */
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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_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS8", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x000000ff, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_PCR_S21, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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21, /* bitsize */
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TRUE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_PCR_S21", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x0fffff80, /* dst_mask */
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TRUE), /* pcrel_offset */
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HOWTO (R_C6000_PCR_S12, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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TRUE, /* pc_relative */
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16, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_PCR_S12", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x0fff0000, /* dst_mask */
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TRUE), /* pcrel_offset */
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HOWTO (R_C6000_PCR_S10, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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10, /* bitsize */
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TRUE, /* pc_relative */
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13, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_PCR_S10", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fe000, /* dst_mask */
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TRUE), /* pcrel_offset */
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HOWTO (R_C6000_PCR_S7, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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7, /* bitsize */
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TRUE, /* pc_relative */
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16, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_PCR_S7", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007f0000, /* dst_mask */
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TRUE), /* pcrel_offset */
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HOWTO (R_C6000_ABS_S16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS_S16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_ABS_L16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS_L16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_ABS_H16, /* type */
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16, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_ABS_H16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_U15_B, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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8, /* bitpos */
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complain_overflow_unsigned,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_U15_B", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff00, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_U15_H, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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8, /* bitpos */
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complain_overflow_unsigned,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_U15_H", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff00, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_U15_W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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8, /* bitpos */
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complain_overflow_unsigned,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_U15_W", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff00, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_S16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_signed,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_S16", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_L16_B, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_L16_B", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_L16_H, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_L16_H", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_L16_W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_L16_W", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_H16_B, /* type */
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16, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_H16_B", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_H16_H, /* type */
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17, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_H16_H", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_H16_W, /* type */
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18, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_H16_W", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_GOT_U15_W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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8, /* bitpos */
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complain_overflow_unsigned,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_GOT_U15_W",/* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff00, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_GOT_L16_W, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_GOT_L16_W",/* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_SBR_GOT_H16_W, /* type */
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18, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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7, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_C6000_SBR_GOT_H16_W",/* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0x007fff80, /* dst_mask */
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FALSE), /* pcrel_offset */
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HOWTO (R_C6000_DSBT_INDEX, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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8, /* bitpos */
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complain_overflow_unsigned,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_DSBT_INDEX", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0x007fff00, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
HOWTO (R_C6000_PREL31, /* type */
|
|
1, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
31, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_PREL31", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0x7fffffff, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
HOWTO (R_C6000_COPY, /* type */
|
|
0, /* rightshift */
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
32, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_COPY", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0xffffffff, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
EMPTY_HOWTO (27),
|
|
EMPTY_HOWTO (28),
|
|
EMPTY_HOWTO (29),
|
|
EMPTY_HOWTO (30),
|
|
EMPTY_HOWTO (31),
|
|
EMPTY_HOWTO (32),
|
|
EMPTY_HOWTO (33),
|
|
EMPTY_HOWTO (34),
|
|
EMPTY_HOWTO (35),
|
|
EMPTY_HOWTO (36),
|
|
EMPTY_HOWTO (37),
|
|
EMPTY_HOWTO (38),
|
|
EMPTY_HOWTO (39),
|
|
EMPTY_HOWTO (40),
|
|
EMPTY_HOWTO (41),
|
|
EMPTY_HOWTO (42),
|
|
EMPTY_HOWTO (43),
|
|
EMPTY_HOWTO (44),
|
|
EMPTY_HOWTO (45),
|
|
EMPTY_HOWTO (46),
|
|
EMPTY_HOWTO (47),
|
|
EMPTY_HOWTO (48),
|
|
EMPTY_HOWTO (49),
|
|
EMPTY_HOWTO (50),
|
|
EMPTY_HOWTO (51),
|
|
EMPTY_HOWTO (52),
|
|
EMPTY_HOWTO (53),
|
|
EMPTY_HOWTO (54),
|
|
EMPTY_HOWTO (55),
|
|
EMPTY_HOWTO (56),
|
|
EMPTY_HOWTO (57),
|
|
EMPTY_HOWTO (58),
|
|
EMPTY_HOWTO (59),
|
|
EMPTY_HOWTO (60),
|
|
EMPTY_HOWTO (61),
|
|
EMPTY_HOWTO (62),
|
|
EMPTY_HOWTO (63),
|
|
EMPTY_HOWTO (64),
|
|
EMPTY_HOWTO (65),
|
|
EMPTY_HOWTO (66),
|
|
EMPTY_HOWTO (67),
|
|
EMPTY_HOWTO (68),
|
|
EMPTY_HOWTO (69),
|
|
EMPTY_HOWTO (70),
|
|
EMPTY_HOWTO (71),
|
|
EMPTY_HOWTO (72),
|
|
EMPTY_HOWTO (73),
|
|
EMPTY_HOWTO (74),
|
|
EMPTY_HOWTO (75),
|
|
EMPTY_HOWTO (76),
|
|
EMPTY_HOWTO (77),
|
|
EMPTY_HOWTO (78),
|
|
EMPTY_HOWTO (79),
|
|
EMPTY_HOWTO (80),
|
|
EMPTY_HOWTO (81),
|
|
EMPTY_HOWTO (82),
|
|
EMPTY_HOWTO (83),
|
|
EMPTY_HOWTO (84),
|
|
EMPTY_HOWTO (85),
|
|
EMPTY_HOWTO (86),
|
|
EMPTY_HOWTO (87),
|
|
EMPTY_HOWTO (88),
|
|
EMPTY_HOWTO (89),
|
|
EMPTY_HOWTO (90),
|
|
EMPTY_HOWTO (91),
|
|
EMPTY_HOWTO (92),
|
|
EMPTY_HOWTO (93),
|
|
EMPTY_HOWTO (94),
|
|
EMPTY_HOWTO (95),
|
|
EMPTY_HOWTO (96),
|
|
EMPTY_HOWTO (97),
|
|
EMPTY_HOWTO (98),
|
|
EMPTY_HOWTO (99),
|
|
EMPTY_HOWTO (100),
|
|
EMPTY_HOWTO (101),
|
|
EMPTY_HOWTO (102),
|
|
EMPTY_HOWTO (103),
|
|
EMPTY_HOWTO (104),
|
|
EMPTY_HOWTO (105),
|
|
EMPTY_HOWTO (106),
|
|
EMPTY_HOWTO (107),
|
|
EMPTY_HOWTO (108),
|
|
EMPTY_HOWTO (109),
|
|
EMPTY_HOWTO (110),
|
|
EMPTY_HOWTO (111),
|
|
EMPTY_HOWTO (112),
|
|
EMPTY_HOWTO (113),
|
|
EMPTY_HOWTO (114),
|
|
EMPTY_HOWTO (115),
|
|
EMPTY_HOWTO (116),
|
|
EMPTY_HOWTO (117),
|
|
EMPTY_HOWTO (118),
|
|
EMPTY_HOWTO (119),
|
|
EMPTY_HOWTO (120),
|
|
EMPTY_HOWTO (121),
|
|
EMPTY_HOWTO (122),
|
|
EMPTY_HOWTO (123),
|
|
EMPTY_HOWTO (124),
|
|
EMPTY_HOWTO (125),
|
|
EMPTY_HOWTO (126),
|
|
EMPTY_HOWTO (127),
|
|
EMPTY_HOWTO (128),
|
|
EMPTY_HOWTO (129),
|
|
EMPTY_HOWTO (130),
|
|
EMPTY_HOWTO (131),
|
|
EMPTY_HOWTO (132),
|
|
EMPTY_HOWTO (133),
|
|
EMPTY_HOWTO (134),
|
|
EMPTY_HOWTO (135),
|
|
EMPTY_HOWTO (136),
|
|
EMPTY_HOWTO (137),
|
|
EMPTY_HOWTO (138),
|
|
EMPTY_HOWTO (139),
|
|
EMPTY_HOWTO (140),
|
|
EMPTY_HOWTO (141),
|
|
EMPTY_HOWTO (142),
|
|
EMPTY_HOWTO (143),
|
|
EMPTY_HOWTO (144),
|
|
EMPTY_HOWTO (145),
|
|
EMPTY_HOWTO (146),
|
|
EMPTY_HOWTO (147),
|
|
EMPTY_HOWTO (148),
|
|
EMPTY_HOWTO (149),
|
|
EMPTY_HOWTO (150),
|
|
EMPTY_HOWTO (151),
|
|
EMPTY_HOWTO (152),
|
|
EMPTY_HOWTO (153),
|
|
EMPTY_HOWTO (154),
|
|
EMPTY_HOWTO (155),
|
|
EMPTY_HOWTO (156),
|
|
EMPTY_HOWTO (157),
|
|
EMPTY_HOWTO (158),
|
|
EMPTY_HOWTO (159),
|
|
EMPTY_HOWTO (160),
|
|
EMPTY_HOWTO (161),
|
|
EMPTY_HOWTO (162),
|
|
EMPTY_HOWTO (163),
|
|
EMPTY_HOWTO (164),
|
|
EMPTY_HOWTO (165),
|
|
EMPTY_HOWTO (166),
|
|
EMPTY_HOWTO (167),
|
|
EMPTY_HOWTO (168),
|
|
EMPTY_HOWTO (169),
|
|
EMPTY_HOWTO (170),
|
|
EMPTY_HOWTO (171),
|
|
EMPTY_HOWTO (172),
|
|
EMPTY_HOWTO (173),
|
|
EMPTY_HOWTO (174),
|
|
EMPTY_HOWTO (175),
|
|
EMPTY_HOWTO (176),
|
|
EMPTY_HOWTO (177),
|
|
EMPTY_HOWTO (178),
|
|
EMPTY_HOWTO (179),
|
|
EMPTY_HOWTO (180),
|
|
EMPTY_HOWTO (181),
|
|
EMPTY_HOWTO (182),
|
|
EMPTY_HOWTO (183),
|
|
EMPTY_HOWTO (184),
|
|
EMPTY_HOWTO (185),
|
|
EMPTY_HOWTO (186),
|
|
EMPTY_HOWTO (187),
|
|
EMPTY_HOWTO (188),
|
|
EMPTY_HOWTO (189),
|
|
EMPTY_HOWTO (190),
|
|
EMPTY_HOWTO (191),
|
|
EMPTY_HOWTO (192),
|
|
EMPTY_HOWTO (193),
|
|
EMPTY_HOWTO (194),
|
|
EMPTY_HOWTO (195),
|
|
EMPTY_HOWTO (196),
|
|
EMPTY_HOWTO (197),
|
|
EMPTY_HOWTO (198),
|
|
EMPTY_HOWTO (199),
|
|
EMPTY_HOWTO (200),
|
|
EMPTY_HOWTO (201),
|
|
EMPTY_HOWTO (202),
|
|
EMPTY_HOWTO (203),
|
|
EMPTY_HOWTO (204),
|
|
EMPTY_HOWTO (205),
|
|
EMPTY_HOWTO (206),
|
|
EMPTY_HOWTO (207),
|
|
EMPTY_HOWTO (208),
|
|
EMPTY_HOWTO (209),
|
|
EMPTY_HOWTO (210),
|
|
EMPTY_HOWTO (211),
|
|
EMPTY_HOWTO (212),
|
|
EMPTY_HOWTO (213),
|
|
EMPTY_HOWTO (214),
|
|
EMPTY_HOWTO (215),
|
|
EMPTY_HOWTO (216),
|
|
EMPTY_HOWTO (217),
|
|
EMPTY_HOWTO (218),
|
|
EMPTY_HOWTO (219),
|
|
EMPTY_HOWTO (220),
|
|
EMPTY_HOWTO (221),
|
|
EMPTY_HOWTO (222),
|
|
EMPTY_HOWTO (223),
|
|
EMPTY_HOWTO (224),
|
|
EMPTY_HOWTO (225),
|
|
EMPTY_HOWTO (226),
|
|
EMPTY_HOWTO (227),
|
|
EMPTY_HOWTO (228),
|
|
EMPTY_HOWTO (229),
|
|
EMPTY_HOWTO (230),
|
|
EMPTY_HOWTO (231),
|
|
EMPTY_HOWTO (232),
|
|
EMPTY_HOWTO (233),
|
|
EMPTY_HOWTO (234),
|
|
EMPTY_HOWTO (235),
|
|
EMPTY_HOWTO (236),
|
|
EMPTY_HOWTO (237),
|
|
EMPTY_HOWTO (238),
|
|
EMPTY_HOWTO (239),
|
|
EMPTY_HOWTO (240),
|
|
EMPTY_HOWTO (241),
|
|
EMPTY_HOWTO (242),
|
|
EMPTY_HOWTO (243),
|
|
EMPTY_HOWTO (244),
|
|
EMPTY_HOWTO (245),
|
|
EMPTY_HOWTO (246),
|
|
EMPTY_HOWTO (247),
|
|
EMPTY_HOWTO (248),
|
|
EMPTY_HOWTO (249),
|
|
EMPTY_HOWTO (250),
|
|
EMPTY_HOWTO (251),
|
|
EMPTY_HOWTO (252),
|
|
HOWTO (R_C6000_ALIGN, /* type */
|
|
0, /* rightshift */
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_ALIGN", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
HOWTO (R_C6000_FPHEAD, /* type */
|
|
0, /* rightshift */
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_FPHEAD", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE), /* pcrel_offset */
|
|
HOWTO (R_C6000_NOCMP, /* type */
|
|
0, /* rightshift */
|
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
|
0, /* bitsize */
|
|
FALSE, /* pc_relative */
|
|
0, /* bitpos */
|
|
complain_overflow_dont,/* complain_on_overflow */
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
"R_C6000_NOCMP", /* name */
|
|
FALSE, /* partial_inplace */
|
|
0, /* src_mask */
|
|
0, /* dst_mask */
|
|
FALSE) /* pcrel_offset */
|
|
};
|
|
|
|
/* Map BFD relocations to ELF relocations. */
|
|
|
|
typedef struct
|
|
{
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
|
enum elf_tic6x_reloc_type elf_reloc_val;
|
|
} tic6x_reloc_map;
|
|
|
|
static const tic6x_reloc_map elf32_tic6x_reloc_map[] =
|
|
{
|
|
{ BFD_RELOC_NONE, R_C6000_NONE },
|
|
{ BFD_RELOC_32, R_C6000_ABS32 },
|
|
{ BFD_RELOC_16, R_C6000_ABS16 },
|
|
{ BFD_RELOC_8, R_C6000_ABS8 },
|
|
{ BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 },
|
|
{ BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 },
|
|
{ BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 },
|
|
{ BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 },
|
|
{ BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 },
|
|
{ BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 },
|
|
{ BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 },
|
|
{ BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B },
|
|
{ BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H },
|
|
{ BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W },
|
|
{ BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 },
|
|
{ BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B },
|
|
{ BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H },
|
|
{ BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W },
|
|
{ BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B },
|
|
{ BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H },
|
|
{ BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W },
|
|
{ BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W },
|
|
{ BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W },
|
|
{ BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W },
|
|
{ BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX },
|
|
{ BFD_RELOC_C6000_PREL31, R_C6000_PREL31 },
|
|
{ BFD_RELOC_C6000_COPY, R_C6000_COPY },
|
|
{ BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN },
|
|
{ BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD },
|
|
{ BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP }
|
|
};
|
|
|
|
static reloc_howto_type *
|
|
elf32_tic6x_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_reloc_code_real_type code)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++)
|
|
if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code)
|
|
return &elf32_tic6x_howto_table[elf32_tic6x_reloc_map[i].elf_reloc_val];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
elf32_tic6x_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++)
|
|
if (elf32_tic6x_howto_table[i].name != NULL
|
|
&& strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0)
|
|
return &elf32_tic6x_howto_table[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
|
|
Elf_Internal_Rela *elf_reloc)
|
|
{
|
|
unsigned int r_type;
|
|
|
|
r_type = ELF32_R_TYPE (elf_reloc->r_info);
|
|
if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table))
|
|
bfd_reloc->howto = NULL;
|
|
else
|
|
bfd_reloc->howto = &elf32_tic6x_howto_table[r_type];
|
|
}
|
|
|
|
static bfd_boolean
|
|
elf32_tic6x_relocate_section (bfd *output_bfd,
|
|
struct bfd_link_info *info,
|
|
bfd *input_bfd,
|
|
asection *input_section,
|
|
bfd_byte *contents,
|
|
Elf_Internal_Rela *relocs,
|
|
Elf_Internal_Sym *local_syms,
|
|
asection **local_sections)
|
|
{
|
|
Elf_Internal_Shdr *symtab_hdr;
|
|
struct elf_link_hash_entry **sym_hashes;
|
|
Elf_Internal_Rela *rel;
|
|
Elf_Internal_Rela *relend;
|
|
bfd_boolean ok = TRUE;
|
|
|
|
symtab_hdr = & elf_symtab_hdr (input_bfd);
|
|
sym_hashes = elf_sym_hashes (input_bfd);
|
|
|
|
relend = relocs + input_section->reloc_count;
|
|
|
|
for (rel = relocs; rel < relend; rel ++)
|
|
{
|
|
int r_type;
|
|
unsigned long r_symndx;
|
|
arelent bfd_reloc;
|
|
reloc_howto_type *howto;
|
|
Elf_Internal_Sym *sym;
|
|
asection *sec;
|
|
struct elf_link_hash_entry *h;
|
|
bfd_vma relocation;
|
|
bfd_boolean unresolved_reloc;
|
|
bfd_reloc_status_type r;
|
|
struct bfd_link_hash_entry *sbh;
|
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
|
elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel);
|
|
howto = bfd_reloc.howto;
|
|
if (howto == NULL)
|
|
{
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
|
|
h = NULL;
|
|
sym = NULL;
|
|
sec = NULL;
|
|
unresolved_reloc = FALSE;
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
{
|
|
sym = local_syms + r_symndx;
|
|
sec = local_sections[r_symndx];
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
|
}
|
|
else
|
|
{
|
|
bfd_boolean warned;
|
|
|
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
|
r_symndx, symtab_hdr, sym_hashes,
|
|
h, sec, relocation,
|
|
unresolved_reloc, warned);
|
|
}
|
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
|
{
|
|
/* For relocs against symbols from removed linkonce sections,
|
|
or sections discarded by a linker script, we just want the
|
|
section contents zeroed. Avoid any special processing. */
|
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
|
rel->r_info = 0;
|
|
rel->r_addend = 0;
|
|
continue;
|
|
}
|
|
|
|
if (info->relocatable)
|
|
continue;
|
|
|
|
switch (r_type)
|
|
{
|
|
case R_C6000_NONE:
|
|
case R_C6000_ALIGN:
|
|
case R_C6000_FPHEAD:
|
|
case R_C6000_NOCMP:
|
|
/* No action needed. */
|
|
continue;
|
|
|
|
case R_C6000_PCR_S21:
|
|
case R_C6000_PCR_S12:
|
|
case R_C6000_PCR_S10:
|
|
case R_C6000_PCR_S7:
|
|
/* Generic PC-relative handling produces a value relative to
|
|
the exact location of the relocation. Adjust it to be
|
|
relative to the start of the fetch packet instead. */
|
|
relocation += (input_section->output_section->vma
|
|
+ input_section->output_offset
|
|
+ rel->r_offset) & 0x1f;
|
|
/* Fall through. */
|
|
case R_C6000_ABS32:
|
|
case R_C6000_ABS16:
|
|
case R_C6000_ABS8:
|
|
case R_C6000_ABS_S16:
|
|
case R_C6000_ABS_L16:
|
|
case R_C6000_ABS_H16:
|
|
/* Generic logic OK. */
|
|
break;
|
|
|
|
case R_C6000_SBR_U15_B:
|
|
case R_C6000_SBR_U15_H:
|
|
case R_C6000_SBR_U15_W:
|
|
case R_C6000_SBR_S16:
|
|
case R_C6000_SBR_L16_B:
|
|
case R_C6000_SBR_L16_H:
|
|
case R_C6000_SBR_L16_W:
|
|
case R_C6000_SBR_H16_B:
|
|
case R_C6000_SBR_H16_H:
|
|
case R_C6000_SBR_H16_W:
|
|
sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE",
|
|
FALSE, FALSE, TRUE);
|
|
if (sbh != NULL
|
|
&& (sbh->type == bfd_link_hash_defined
|
|
|| sbh->type == bfd_link_hash_defweak))
|
|
relocation -= (sbh->u.def.value
|
|
+ sbh->u.def.section->output_section->vma
|
|
+ sbh->u.def.section->output_offset);
|
|
else
|
|
{
|
|
(*_bfd_error_handler) (_("%B: SB-relative relocation but "
|
|
"__c6xabi_DSBT_BASE not defined"),
|
|
input_bfd);
|
|
ok = FALSE;
|
|
continue;
|
|
}
|
|
break;
|
|
|
|
case R_C6000_SBR_GOT_U15_W:
|
|
case R_C6000_SBR_GOT_L16_W:
|
|
case R_C6000_SBR_GOT_H16_W:
|
|
case R_C6000_DSBT_INDEX:
|
|
case R_C6000_PREL31:
|
|
/* Shared libraries and exception handling support not
|
|
implemented. */
|
|
(*_bfd_error_handler) (_("%B: relocation type %d not implemented"),
|
|
input_bfd, r_type);
|
|
ok = FALSE;
|
|
continue;
|
|
|
|
case R_C6000_COPY:
|
|
/* Invalid in relocatable object. */
|
|
default:
|
|
/* Unknown relocation. */
|
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
|
input_bfd, r_type);
|
|
ok = FALSE;
|
|
continue;
|
|
}
|
|
|
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
|
contents, rel->r_offset,
|
|
relocation, rel->r_addend);
|
|
|
|
if (r == bfd_reloc_ok
|
|
&& howto->complain_on_overflow == complain_overflow_bitfield)
|
|
{
|
|
/* Generic overflow handling accepts cases the ABI says
|
|
should be rejected for R_C6000_ABS16 and
|
|
R_C6000_ABS8. */
|
|
bfd_vma value = (relocation + rel->r_addend) & 0xffffffff;
|
|
bfd_vma sbit = 1 << (howto->bitsize - 1);
|
|
bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff;
|
|
bfd_vma value_sbits = value & sbits;
|
|
|
|
if (value_sbits != 0
|
|
&& value_sbits != sbit
|
|
&& value_sbits != sbits)
|
|
r = bfd_reloc_overflow;
|
|
}
|
|
|
|
if (r != bfd_reloc_ok)
|
|
{
|
|
const char *name;
|
|
const char *error_message;
|
|
|
|
if (h != NULL)
|
|
name = h->root.root.string;
|
|
else
|
|
{
|
|
name = bfd_elf_string_from_elf_section (input_bfd,
|
|
symtab_hdr->sh_link,
|
|
sym->st_name);
|
|
if (name == NULL)
|
|
return FALSE;
|
|
if (*name == '\0')
|
|
name = bfd_section_name (input_bfd, sec);
|
|
}
|
|
|
|
switch (r)
|
|
{
|
|
case bfd_reloc_overflow:
|
|
/* If the overflowing reloc was to an undefined symbol,
|
|
we have already printed one error message and there
|
|
is no point complaining again. */
|
|
if ((! h ||
|
|
h->root.type != bfd_link_hash_undefined)
|
|
&& (!((*info->callbacks->reloc_overflow)
|
|
(info, (h ? &h->root : NULL), name, howto->name,
|
|
(bfd_vma) 0, input_bfd, input_section,
|
|
rel->r_offset))))
|
|
return FALSE;
|
|
break;
|
|
|
|
case bfd_reloc_undefined:
|
|
if (!((*info->callbacks->undefined_symbol)
|
|
(info, name, input_bfd, input_section,
|
|
rel->r_offset, TRUE)))
|
|
return FALSE;
|
|
break;
|
|
|
|
case bfd_reloc_outofrange:
|
|
error_message = _("out of range");
|
|
goto common_error;
|
|
|
|
case bfd_reloc_notsupported:
|
|
error_message = _("unsupported relocation");
|
|
goto common_error;
|
|
|
|
case bfd_reloc_dangerous:
|
|
error_message = _("dangerous relocation");
|
|
goto common_error;
|
|
|
|
default:
|
|
error_message = _("unknown error");
|
|
/* Fall through. */
|
|
|
|
common_error:
|
|
BFD_ASSERT (error_message != NULL);
|
|
if (!((*info->callbacks->reloc_dangerous)
|
|
(info, error_message, input_bfd, input_section,
|
|
rel->r_offset)))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec
|
|
#define TARGET_LITTLE_NAME "elf32-tic6x-le"
|
|
#define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec
|
|
#define TARGET_BIG_NAME "elf32-tic6x-be"
|
|
#define ELF_ARCH bfd_arch_tic6x
|
|
#define ELF_MACHINE_CODE EM_TI_C6000
|
|
#define ELF_MAXPAGESIZE 1
|
|
#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
|
|
#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
|
|
#define elf_backend_can_gc_sections 1
|
|
#define elf_backend_default_use_rela_p 1
|
|
#define elf_backend_may_use_rel_p 1
|
|
#define elf_backend_may_use_rela_p 1
|
|
#define elf_backend_rela_normal 1
|
|
#define elf_backend_relocate_section elf32_tic6x_relocate_section
|
|
#define elf_info_to_howto elf32_tic6x_info_to_howto
|
|
#define elf_info_to_howto_rel _bfd_elf_no_info_to_howto
|
|
|
|
#include "elf32-target.h"
|