| 1 | /* COFF information for the Intel i860. |
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| 2 | |
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| 3 | Copyright 2001, 2003, 2010, 2011 Free Software Foundation, Inc. |
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| 4 | |
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| 5 | This program is free software; you can redistribute it and/or modify |
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| 6 | it under the terms of the GNU General Public License as published by |
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| 7 | the Free Software Foundation; either version 3 of the License, or |
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| 8 | (at your option) any later version. |
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| 9 | |
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| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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| 18 | MA 02110-1301, USA. */ |
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| 19 | |
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| 20 | /* This file was hacked from i386.h [dolan@ssd.intel.com] */ |
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| 21 | |
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| 22 | #define L_LNNO_SIZE 2 |
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| 23 | #include "coff/external.h" |
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| 24 | |
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| 25 | /* Bits for f_flags: |
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| 26 | F_RELFLG relocation info stripped from file |
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| 27 | F_EXEC file is executable (no unresolved external references) |
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| 28 | F_LNNO line numbers stripped from file |
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| 29 | F_LSYMS local symbols stripped from file |
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| 30 | F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax). */ |
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| 31 | |
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| 32 | #define F_RELFLG (0x0001) |
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| 33 | #define F_EXEC (0x0002) |
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| 34 | #define F_LNNO (0x0004) |
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| 35 | #define F_LSYMS (0x0008) |
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| 36 | |
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| 37 | #define I860MAGIC 0x14d |
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| 38 | |
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| 39 | #define I860BADMAG(x) ((x).f_magic != I860MAGIC) |
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| 40 | |
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| 41 | #undef AOUTSZ |
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| 42 | #define AOUTSZ 36 |
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| 43 | |
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| 44 | /* FIXME: What are the a.out magic numbers? */ |
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| 45 | |
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| 46 | #define _ETEXT "etext" |
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| 47 | |
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| 48 | /********************** RELOCATION DIRECTIVES **********************/ |
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| 49 | |
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| 50 | struct external_reloc |
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| 51 | { |
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| 52 | char r_vaddr[4]; |
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| 53 | char r_symndx[4]; |
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| 54 | char r_type[2]; |
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| 55 | }; |
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| 56 | |
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| 57 | #define RELOC struct external_reloc |
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| 58 | #define RELSZ 10 |
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| 59 | |
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| 60 | /* The relocation directory entry types. |
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| 61 | PAIR : The low half that follows relates to the preceding HIGH[ADJ]. |
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| 62 | HIGH : The high half of a 32-bit constant. |
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| 63 | LOWn : The low half, insn bits 15..(n-1), 2^n-byte aligned. |
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| 64 | SPLITn : The low half, insn bits 20..16 and 10..(n-1), 2^n-byte aligned. |
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| 65 | HIGHADJ: Similar to HIGH, but with adjustment. |
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| 66 | BRADDR : 26-bit branch displacement. |
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| 67 | |
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| 68 | Note: The Intel assembler manual lists LOW4 as one of the |
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| 69 | relocation types, but it appears to be useless for the i860. |
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| 70 | We will recognize it anyway, just in case it actually appears in |
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| 71 | any object files. */ |
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| 72 | |
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| 73 | enum { |
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| 74 | COFF860_R_PAIR = 0x1c, |
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| 75 | COFF860_R_HIGH = 0x1e, |
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| 76 | COFF860_R_LOW0 = 0x1f, |
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| 77 | COFF860_R_LOW1 = 0x20, |
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| 78 | COFF860_R_LOW2 = 0x21, |
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| 79 | COFF860_R_LOW3 = 0x22, |
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| 80 | COFF860_R_LOW4 = 0x23, |
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| 81 | COFF860_R_SPLIT0 = 0x24, |
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| 82 | COFF860_R_SPLIT1 = 0x25, |
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| 83 | COFF860_R_SPLIT2 = 0x26, |
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| 84 | COFF860_R_HIGHADJ = 0x27, |
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| 85 | COFF860_R_BRADDR = 0x28 |
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| 86 | }; |
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| 87 | |
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