| 1 | /* MC68k ELF support for BFD. |
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| 2 | Copyright 1998, 1999, 2000, 2002, 2005, 2006, 2007, 2009, 2010 |
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| 3 | Free Software Foundation, Inc. |
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| 4 | |
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| 5 | This file is part of BFD, the Binary File Descriptor library. |
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| 6 | |
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| 7 | This program is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 3 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |
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| 12 | This program is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with this program; if not, write to the Free Software Foundation, |
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| 19 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
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| 20 | |
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| 21 | #ifndef _ELF_M68K_H |
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| 22 | #define _ELF_M68K_H |
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| 23 | |
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| 24 | #include "elf/reloc-macros.h" |
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| 25 | |
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| 26 | /* Relocation types. */ |
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| 27 | START_RELOC_NUMBERS (elf_m68k_reloc_type) |
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| 28 | RELOC_NUMBER (R_68K_NONE, 0) /* No reloc */ |
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| 29 | RELOC_NUMBER (R_68K_32, 1) /* Direct 32 bit */ |
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| 30 | RELOC_NUMBER (R_68K_16, 2) /* Direct 16 bit */ |
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| 31 | RELOC_NUMBER (R_68K_8, 3) /* Direct 8 bit */ |
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| 32 | RELOC_NUMBER (R_68K_PC32, 4) /* PC relative 32 bit */ |
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| 33 | RELOC_NUMBER (R_68K_PC16, 5) /* PC relative 16 bit */ |
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| 34 | RELOC_NUMBER (R_68K_PC8, 6) /* PC relative 8 bit */ |
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| 35 | RELOC_NUMBER (R_68K_GOT32, 7) /* 32 bit PC relative GOT entry */ |
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| 36 | RELOC_NUMBER (R_68K_GOT16, 8) /* 16 bit PC relative GOT entry */ |
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| 37 | RELOC_NUMBER (R_68K_GOT8, 9) /* 8 bit PC relative GOT entry */ |
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| 38 | RELOC_NUMBER (R_68K_GOT32O, 10) /* 32 bit GOT offset */ |
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| 39 | RELOC_NUMBER (R_68K_GOT16O, 11) /* 16 bit GOT offset */ |
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| 40 | RELOC_NUMBER (R_68K_GOT8O, 12) /* 8 bit GOT offset */ |
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| 41 | RELOC_NUMBER (R_68K_PLT32, 13) /* 32 bit PC relative PLT address */ |
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| 42 | RELOC_NUMBER (R_68K_PLT16, 14) /* 16 bit PC relative PLT address */ |
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| 43 | RELOC_NUMBER (R_68K_PLT8, 15) /* 8 bit PC relative PLT address */ |
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| 44 | RELOC_NUMBER (R_68K_PLT32O, 16) /* 32 bit PLT offset */ |
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| 45 | RELOC_NUMBER (R_68K_PLT16O, 17) /* 16 bit PLT offset */ |
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| 46 | RELOC_NUMBER (R_68K_PLT8O, 18) /* 8 bit PLT offset */ |
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| 47 | RELOC_NUMBER (R_68K_COPY, 19) /* Copy symbol at runtime */ |
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| 48 | RELOC_NUMBER (R_68K_GLOB_DAT, 20) /* Create GOT entry */ |
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| 49 | RELOC_NUMBER (R_68K_JMP_SLOT, 21) /* Create PLT entry */ |
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| 50 | RELOC_NUMBER (R_68K_RELATIVE, 22) /* Adjust by program base */ |
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| 51 | /* These are GNU extensions to enable C++ vtable garbage collection. */ |
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| 52 | RELOC_NUMBER (R_68K_GNU_VTINHERIT, 23) |
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| 53 | RELOC_NUMBER (R_68K_GNU_VTENTRY, 24) |
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| 54 | /* TLS static relocations. */ |
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| 55 | RELOC_NUMBER (R_68K_TLS_GD32, 25) |
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| 56 | RELOC_NUMBER (R_68K_TLS_GD16, 26) |
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| 57 | RELOC_NUMBER (R_68K_TLS_GD8, 27) |
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| 58 | RELOC_NUMBER (R_68K_TLS_LDM32, 28) |
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| 59 | RELOC_NUMBER (R_68K_TLS_LDM16, 29) |
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| 60 | RELOC_NUMBER (R_68K_TLS_LDM8, 30) |
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| 61 | RELOC_NUMBER (R_68K_TLS_LDO32, 31) |
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| 62 | RELOC_NUMBER (R_68K_TLS_LDO16, 32) |
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| 63 | RELOC_NUMBER (R_68K_TLS_LDO8, 33) |
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| 64 | RELOC_NUMBER (R_68K_TLS_IE32, 34) |
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| 65 | RELOC_NUMBER (R_68K_TLS_IE16, 35) |
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| 66 | RELOC_NUMBER (R_68K_TLS_IE8, 36) |
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| 67 | RELOC_NUMBER (R_68K_TLS_LE32, 37) |
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| 68 | RELOC_NUMBER (R_68K_TLS_LE16, 38) |
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| 69 | RELOC_NUMBER (R_68K_TLS_LE8, 39) |
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| 70 | RELOC_NUMBER (R_68K_TLS_DTPMOD32, 40) |
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| 71 | RELOC_NUMBER (R_68K_TLS_DTPREL32, 41) |
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| 72 | RELOC_NUMBER (R_68K_TLS_TPREL32, 42) |
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| 73 | END_RELOC_NUMBERS (R_68K_max) |
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| 74 | |
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| 75 | /* We use the top 24 bits to encode information about the |
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| 76 | architecture variant. */ |
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| 77 | #define EF_M68K_CPU32 0x00810000 |
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| 78 | #define EF_M68K_M68000 0x01000000 |
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| 79 | #define EF_M68K_CFV4E 0x00008000 |
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| 80 | #define EF_M68K_FIDO 0x02000000 |
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| 81 | #define EF_M68K_ARCH_MASK \ |
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| 82 | (EF_M68K_M68000 | EF_M68K_CPU32 | EF_M68K_CFV4E | EF_M68K_FIDO) |
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| 83 | |
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| 84 | /* We use the bottom 8 bits to encode information about the |
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| 85 | coldfire variant. If we use any of these bits, the top 24 bits are |
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| 86 | either 0 or EF_M68K_CFV4E. */ |
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| 87 | #define EF_M68K_CF_ISA_MASK 0x0F /* Which ISA */ |
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| 88 | #define EF_M68K_CF_ISA_A_NODIV 0x01 /* ISA A except for div */ |
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| 89 | #define EF_M68K_CF_ISA_A 0x02 |
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| 90 | #define EF_M68K_CF_ISA_A_PLUS 0x03 |
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| 91 | #define EF_M68K_CF_ISA_B_NOUSP 0x04 /* ISA_B except for USP */ |
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| 92 | #define EF_M68K_CF_ISA_B 0x05 |
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| 93 | #define EF_M68K_CF_ISA_C 0x06 |
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| 94 | #define EF_M68K_CF_ISA_C_NODIV 0x07 /* ISA C except for div */ |
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| 95 | #define EF_M68K_CF_MAC_MASK 0x30 |
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| 96 | #define EF_M68K_CF_MAC 0x10 /* MAC */ |
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| 97 | #define EF_M68K_CF_EMAC 0x20 /* EMAC */ |
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| 98 | #define EF_M68K_CF_EMAC_B 0x30 /* EMAC_B */ |
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| 99 | #define EF_M68K_CF_FLOAT 0x40 /* Has float insns */ |
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| 100 | #define EF_M68K_CF_MASK 0xFF |
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| 101 | |
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| 102 | #endif |
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