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jeremybenn |
/* CR16C ELF support for BFD.
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Copyright 2004, 2008 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 2 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 Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_CR16C_H
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#define _ELF_CR16C_H
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#include "bfd.h"
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#include "elf/reloc-macros.h"
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/* Creating indices for reloc_map_index array. */
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START_RELOC_NUMBERS (elf_cr16c_reloc_type)
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RELOC_NUMBER (RINDEX_16C_NUM08, 0)
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RELOC_NUMBER (RINDEX_16C_NUM08_C, 1)
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RELOC_NUMBER (RINDEX_16C_NUM16, 2)
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RELOC_NUMBER (RINDEX_16C_NUM16_C, 3)
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RELOC_NUMBER (RINDEX_16C_NUM32, 4)
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RELOC_NUMBER (RINDEX_16C_NUM32_C, 5)
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RELOC_NUMBER (RINDEX_16C_DISP04, 6)
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RELOC_NUMBER (RINDEX_16C_DISP04_C, 7)
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RELOC_NUMBER (RINDEX_16C_DISP08, 8)
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RELOC_NUMBER (RINDEX_16C_DISP08_C, 9)
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RELOC_NUMBER (RINDEX_16C_DISP16, 10)
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RELOC_NUMBER (RINDEX_16C_DISP16_C, 11)
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RELOC_NUMBER (RINDEX_16C_DISP24, 12)
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RELOC_NUMBER (RINDEX_16C_DISP24_C, 13)
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RELOC_NUMBER (RINDEX_16C_DISP24a, 14)
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RELOC_NUMBER (RINDEX_16C_DISP24a_C, 15)
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RELOC_NUMBER (RINDEX_16C_REG04, 16)
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RELOC_NUMBER (RINDEX_16C_REG04_C, 17)
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RELOC_NUMBER (RINDEX_16C_REG04a, 18)
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RELOC_NUMBER (RINDEX_16C_REG04a_C, 19)
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RELOC_NUMBER (RINDEX_16C_REG14, 20)
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RELOC_NUMBER (RINDEX_16C_REG14_C, 21)
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RELOC_NUMBER (RINDEX_16C_REG16, 22)
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RELOC_NUMBER (RINDEX_16C_REG16_C, 23)
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RELOC_NUMBER (RINDEX_16C_REG20, 24)
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RELOC_NUMBER (RINDEX_16C_REG20_C, 25)
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RELOC_NUMBER (RINDEX_16C_ABS20, 26)
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RELOC_NUMBER (RINDEX_16C_ABS20_C, 27)
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RELOC_NUMBER (RINDEX_16C_ABS24, 28)
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RELOC_NUMBER (RINDEX_16C_ABS24_C, 29)
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RELOC_NUMBER (RINDEX_16C_IMM04, 30)
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RELOC_NUMBER (RINDEX_16C_IMM04_C, 31)
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RELOC_NUMBER (RINDEX_16C_IMM16, 32)
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RELOC_NUMBER (RINDEX_16C_IMM16_C, 33)
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RELOC_NUMBER (RINDEX_16C_IMM20, 34)
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RELOC_NUMBER (RINDEX_16C_IMM20_C, 35)
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RELOC_NUMBER (RINDEX_16C_IMM24, 36)
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RELOC_NUMBER (RINDEX_16C_IMM24_C, 37)
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RELOC_NUMBER (RINDEX_16C_IMM32, 38)
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RELOC_NUMBER (RINDEX_16C_IMM32_C, 39)
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END_RELOC_NUMBERS (RINDEX_16C_MAX)
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/* CR16C Relocation Types ('cr_reloc_type' entry in the reloc_map structure).
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The relocation constant name is determined as follows :
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R_16C_<format><size>[_C]
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Where :
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<format> is one of the following:
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NUM - R_NUMBER mnemonic,
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DISP - R_16C_DISPL mnemonic,
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REG - R_16C_REGREL mnemonic,
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ABS - R_16C_ABS mnemonic,
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IMM - R_16C_IMMED mnemonic,
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<size> stands for R_S_16C_<size>
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_C means 'code label' and is only added when R_ADDRTYPE subfield
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is of type R_CODE_ADDR. */
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/* The table below shows what the hex digits in the definition of the
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relocation type constants correspond to.
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------------------------------------------------------------------
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R_SIZESP R_FORMAT R_RELTO R_ADDRTYPE
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------------------------------------------------------------------ */
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/* R_S_16C_08 R_NUMBER R_ABS R_ADDRESS */
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#define R_16C_NUM08 0X0001
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/* R_S_16C_08 R_NUMBER R_ABS R_CODE_ADDR */
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#define R_16C_NUM08_C 0X0006
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/* R_S_16C_16 R_NUMBER R_ABS R_ADDRESS */
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#define R_16C_NUM16 0X1001
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/* R_S_16C_16 R_NUMBER R_ABS R_CODE_ADDR */
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#define R_16C_NUM16_C 0X1006
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/* R_S_16C_32 R_NUMBER R_ABS R_ADDRESS */
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#define R_16C_NUM32 0X2001
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/* R_S_16C_32 R_NUMBER R_ABS R_CODE_ADDR */
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#define R_16C_NUM32_C 0X2006
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/* R_S_16C_04 R_16C_DISPL R_PCREL R_ADDRESS */
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#define R_16C_DISP04 0X5411
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/* R_S_16C_04 R_16C_DISPL R_PCREL R_CODE_ADDR */
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#define R_16C_DISP04_C 0X5416
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/* R_S_16C_08 R_16C_DISPL R_PCREL R_ADDRESS */
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#define R_16C_DISP08 0X0411
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/* R_S_16C_08 R_16C_DISPL R_PCREL R_CODE_ADDR */
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#define R_16C_DISP08_C 0X0416
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/* R_S_16C_16 R_16C_DISPL R_PCREL R_ADDRESS */
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#define R_16C_DISP16 0X1411
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/* R_S_16C_16 R_16C_DISPL R_PCREL R_CODE_ADDR */
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#define R_16C_DISP16_C 0X1416
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/* R_S_16C_24 R_16C_DISPL R_PCREL R_ADDRESS */
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#define R_16C_DISP24 0X7411
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/* R_S_16C_24 R_16C_DISPL R_PCREL R_CODE_ADDR */
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#define R_16C_DISP24_C 0X7416
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/* R_S_16C_24a R_16C_DISPL R_PCREL R_ADDRESS */
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#define R_16C_DISP24a 0X6411
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/* R_S_16C_24a R_16C_DISPL R_PCREL R_CODE_ADDR */
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#define R_16C_DISP24a_C 0X6416
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/* R_S_16C_04 R_16C_REGREL R_ABS R_ADDRESS */
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#define R_16C_REG04 0X5201
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/* R_S_16C_04 R_16C_REGREL R_ABS R_CODE_ADDR */
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#define R_16C_REG04_C 0X5206
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/* R_S_16C_04_a R_16C_REGREL R_ABS R_ADDRESS */
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#define R_16C_REG04a 0X4201
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/* R_S_16C_04_a R_16C_REGREL R_ABS R_CODE_ADDR */
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#define R_16C_REG04a_C 0X4206
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/* R_S_16C_14 R_16C_REGREL R_ABS R_ADDRESS */
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#define R_16C_REG14 0X3201
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/* R_S_16C_14 R_16C_REGREL R_ABS R_CODE_ADDR */
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#define R_16C_REG14_C 0X3206
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/* R_S_16C_16 R_16C_REGREL R_ABS R_ADDRESS */
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#define R_16C_REG16 0X1201
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/* R_S_16C_16 R_16C_REGREL R_ABS R_CODE_ADDR */
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#define R_16C_REG16_C 0X1206
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/* R_S_16C_20 R_16C_REGREL R_ABS R_ADDRESS */
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#define R_16C_REG20 0X8201
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/* R_S_16C_20 R_16C_REGREL R_ABS R_CODE_ADDR */
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#define R_16C_REG20_C 0X8206
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/* R_S_16C_20 R_16C_ABS R_ABS R_ADDRESS */
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#define R_16C_ABS20 0X8101
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/* R_S_16C_20 R_16C_ABS R_ABS R_CODE_ADDR */
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#define R_16C_ABS20_C 0X8106
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/* R_S_16C_24 R_16C_ABS R_ABS R_ADDRESS */
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#define R_16C_ABS24 0X7101
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/* R_S_16C_24 R_16C_ABS R_ABS R_CODE_ADDR */
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#define R_16C_ABS24_C 0X7106
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/* R_S_16C_04 R_16C_IMMED R_ABS R_ADDRESS */
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#define R_16C_IMM04 0X5301
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/* R_S_16C_04 R_16C_IMMED R_ABS R_CODE_ADDR */
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#define R_16C_IMM04_C 0X5306
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/* R_S_16C_16 R_16C_IMMED R_ABS R_ADDRESS */
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#define R_16C_IMM16 0X1301
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/* R_S_16C_16 R_16C_IMMED R_ABS R_CODE_ADDR */
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#define R_16C_IMM16_C 0X1306
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/* R_S_16C_20 R_16C_IMMED R_ABS R_ADDRESS */
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#define R_16C_IMM20 0X8301
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/* R_S_16C_20 R_16C_IMMED R_ABS R_CODE_ADDR */
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#define R_16C_IMM20_C 0X8306
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/* R_S_16C_24 R_16C_IMMED R_ABS R_ADDRESS */
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#define R_16C_IMM24 0X7301
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/* R_S_16C_24 R_16C_IMMED R_ABS R_CODE_ADDR */
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#define R_16C_IMM24_C 0X7306
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/* R_S_16C_32 R_16C_IMMED R_ABS R_ADDRESS */
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#define R_16C_IMM32 0X2301
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/* R_S_16C_32 R_16C_IMMED R_ABS R_CODE_ADDR */
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#define R_16C_IMM32_C 0X2306
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/* Relocation item type. */
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#define R_ADDRTYPE 0x000f
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#define R_ADDRESS 0x0001 /* Take address of symbol. */
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#define R_CODE_ADDR 0x0006 /* Take address of symbol divided by 2. */
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/* Relocation action. */
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#define R_RELTO 0x00f0
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#define R_ABS 0x0000 /* Keep symbol's address as such. */
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#define R_PCREL 0x0010 /* Subtract the pc address of hole. */
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/* Relocation item data format. */
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#define R_FORMAT 0x0f00
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#define R_NUMBER 0x0000 /* Retain as two's complement value. */
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#define R_16C_DISPL 0x0400 /* CR16C displacement type. */
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#define R_16C_ABS 0x0100 /* CR16C absolute type. */
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#define R_16C_REGREL 0x0200 /* CR16C register-relative type. */
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#define R_16C_IMMED 0x0300 /* CR16C immediate type. */
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/* Relocation item size. */
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#define R_SIZESP 0xf000
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#define R_S_16C_04 0x5000
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#define R_S_16C_04_a 0x4000
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#define R_S_16C_08 0x0000
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#define R_S_16C_14 0x3000
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#define R_S_16C_16 0x1000
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#define R_S_16C_20 0x8000
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#define R_S_16C_24_a 0x6000
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#define R_S_16C_24 0x7000
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#define R_S_16C_32 0x2000
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/* Processor specific section indices. These sections do not actually
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exist. Symbols with a st_shndx field corresponding to one of these
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values have a special meaning. */
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/* Far common symbol. */
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#define SHN_CR16C_FCOMMON SHN_LORESERVE
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#define SHN_CR16C_NCOMMON (SHN_LORESERVE + 1)
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typedef struct reloc_map
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{
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unsigned short cr_reloc_type; /* CR relocation type. */
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bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */
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} RELOC_MAP;
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#endif /* _ELF_CR16C_H */
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