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102 lines
4.3 KiB
C
102 lines
4.3 KiB
C
/* MC68k ELF support for BFD.
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Copyright (C) 1998-2017 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 Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_M68K_H
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#define _ELF_M68K_H
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#include "elf/reloc-macros.h"
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/* Relocation types. */
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START_RELOC_NUMBERS (elf_m68k_reloc_type)
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RELOC_NUMBER (R_68K_NONE, 0) /* No reloc */
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RELOC_NUMBER (R_68K_32, 1) /* Direct 32 bit */
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RELOC_NUMBER (R_68K_16, 2) /* Direct 16 bit */
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RELOC_NUMBER (R_68K_8, 3) /* Direct 8 bit */
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RELOC_NUMBER (R_68K_PC32, 4) /* PC relative 32 bit */
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RELOC_NUMBER (R_68K_PC16, 5) /* PC relative 16 bit */
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RELOC_NUMBER (R_68K_PC8, 6) /* PC relative 8 bit */
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RELOC_NUMBER (R_68K_GOT32, 7) /* 32 bit PC relative GOT entry */
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RELOC_NUMBER (R_68K_GOT16, 8) /* 16 bit PC relative GOT entry */
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RELOC_NUMBER (R_68K_GOT8, 9) /* 8 bit PC relative GOT entry */
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RELOC_NUMBER (R_68K_GOT32O, 10) /* 32 bit GOT offset */
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RELOC_NUMBER (R_68K_GOT16O, 11) /* 16 bit GOT offset */
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RELOC_NUMBER (R_68K_GOT8O, 12) /* 8 bit GOT offset */
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RELOC_NUMBER (R_68K_PLT32, 13) /* 32 bit PC relative PLT address */
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RELOC_NUMBER (R_68K_PLT16, 14) /* 16 bit PC relative PLT address */
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RELOC_NUMBER (R_68K_PLT8, 15) /* 8 bit PC relative PLT address */
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RELOC_NUMBER (R_68K_PLT32O, 16) /* 32 bit PLT offset */
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RELOC_NUMBER (R_68K_PLT16O, 17) /* 16 bit PLT offset */
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RELOC_NUMBER (R_68K_PLT8O, 18) /* 8 bit PLT offset */
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RELOC_NUMBER (R_68K_COPY, 19) /* Copy symbol at runtime */
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RELOC_NUMBER (R_68K_GLOB_DAT, 20) /* Create GOT entry */
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RELOC_NUMBER (R_68K_JMP_SLOT, 21) /* Create PLT entry */
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RELOC_NUMBER (R_68K_RELATIVE, 22) /* Adjust by program base */
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/* These are GNU extensions to enable C++ vtable garbage collection. */
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RELOC_NUMBER (R_68K_GNU_VTINHERIT, 23)
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RELOC_NUMBER (R_68K_GNU_VTENTRY, 24)
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/* TLS static relocations. */
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RELOC_NUMBER (R_68K_TLS_GD32, 25)
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RELOC_NUMBER (R_68K_TLS_GD16, 26)
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RELOC_NUMBER (R_68K_TLS_GD8, 27)
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RELOC_NUMBER (R_68K_TLS_LDM32, 28)
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RELOC_NUMBER (R_68K_TLS_LDM16, 29)
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RELOC_NUMBER (R_68K_TLS_LDM8, 30)
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RELOC_NUMBER (R_68K_TLS_LDO32, 31)
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RELOC_NUMBER (R_68K_TLS_LDO16, 32)
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RELOC_NUMBER (R_68K_TLS_LDO8, 33)
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RELOC_NUMBER (R_68K_TLS_IE32, 34)
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RELOC_NUMBER (R_68K_TLS_IE16, 35)
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RELOC_NUMBER (R_68K_TLS_IE8, 36)
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RELOC_NUMBER (R_68K_TLS_LE32, 37)
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RELOC_NUMBER (R_68K_TLS_LE16, 38)
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RELOC_NUMBER (R_68K_TLS_LE8, 39)
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RELOC_NUMBER (R_68K_TLS_DTPMOD32, 40)
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RELOC_NUMBER (R_68K_TLS_DTPREL32, 41)
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RELOC_NUMBER (R_68K_TLS_TPREL32, 42)
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END_RELOC_NUMBERS (R_68K_max)
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/* We use the top 24 bits to encode information about the
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architecture variant. */
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#define EF_M68K_CPU32 0x00810000
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#define EF_M68K_M68000 0x01000000
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#define EF_M68K_CFV4E 0x00008000
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#define EF_M68K_FIDO 0x02000000
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#define EF_M68K_ARCH_MASK \
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(EF_M68K_M68000 | EF_M68K_CPU32 | EF_M68K_CFV4E | EF_M68K_FIDO)
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/* We use the bottom 8 bits to encode information about the
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coldfire variant. If we use any of these bits, the top 24 bits are
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either 0 or EF_M68K_CFV4E. */
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#define EF_M68K_CF_ISA_MASK 0x0F /* Which ISA */
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#define EF_M68K_CF_ISA_A_NODIV 0x01 /* ISA A except for div */
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#define EF_M68K_CF_ISA_A 0x02
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#define EF_M68K_CF_ISA_A_PLUS 0x03
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#define EF_M68K_CF_ISA_B_NOUSP 0x04 /* ISA_B except for USP */
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#define EF_M68K_CF_ISA_B 0x05
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#define EF_M68K_CF_ISA_C 0x06
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#define EF_M68K_CF_ISA_C_NODIV 0x07 /* ISA C except for div */
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#define EF_M68K_CF_MAC_MASK 0x30
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#define EF_M68K_CF_MAC 0x10 /* MAC */
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#define EF_M68K_CF_EMAC 0x20 /* EMAC */
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#define EF_M68K_CF_EMAC_B 0x30 /* EMAC_B */
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#define EF_M68K_CF_FLOAT 0x40 /* Has float insns */
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#define EF_M68K_CF_MASK 0xFF
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#endif
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