| 1 | /* tc-i860.h -- Header file for the i860.
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| 2 | Copyright 1991, 1992, 1995, 1998, 2000, 2001, 2002
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| 3 | Free Software Foundation, Inc.
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| 4 |
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| 5 | Brought back from the dead and completely reworked
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| 6 | by Jason Eckhardt <jle@cygnus.com>.
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| 7 |
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| 8 | This file is part of GAS, the GNU Assembler.
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| 9 |
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| 10 | GAS is free software; you can redistribute it and/or modify
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| 11 | it under the terms of the GNU General Public License as published by
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| 12 | the Free Software Foundation; either version 2, or (at your option)
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| 13 | any later version.
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| 14 |
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| 15 | GAS is distributed in the hope that it will be useful,
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | GNU General Public License for more details.
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| 19 |
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| 20 | You should have received a copy of the GNU General Public License along
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| 21 | with GAS; see the file COPYING. If not, write to the Free Software
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| 22 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 23 |
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| 24 | #ifndef TC_I860
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| 25 | #define TC_I860 1
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| 26 |
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| 27 | #ifndef BFD_ASSEMBLER
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| 28 | #error i860 support requires BFD_ASSEMBLER
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| 29 | #endif
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| 30 |
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| 31 | enum i860_fix_info
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| 32 | {
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| 33 | OP_NONE = 0x00000,
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| 34 | OP_IMM_U5 = 0x00001,
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| 35 | OP_IMM_S16 = 0x00002,
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| 36 | OP_IMM_U16 = 0x00004,
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| 37 | OP_IMM_SPLIT16 = 0x00008,
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| 38 | OP_IMM_BR26 = 0x00010,
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| 39 | OP_IMM_BR16 = 0x00020,
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| 40 | OP_ENCODE1 = 0x00040,
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| 41 | OP_ENCODE2 = 0x00080,
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| 42 | OP_ENCODE3 = 0x00100,
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| 43 | OP_SEL_HA = 0x00200,
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| 44 | OP_SEL_H = 0x00400,
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| 45 | OP_SEL_L = 0x00800,
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| 46 | OP_SEL_GOT = 0x01000,
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| 47 | OP_SEL_GOTOFF = 0x02000,
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| 48 | OP_SEL_PLT = 0x04000,
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| 49 | OP_ALIGN2 = 0x08000,
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| 50 | OP_ALIGN4 = 0x10000,
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| 51 | OP_ALIGN8 = 0x20000,
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| 52 | OP_ALIGN16 = 0x40000
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| 53 | };
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| 54 |
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| 55 | /* Set the endianness we are using. Default to little endian. */
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| 56 | #ifndef TARGET_BYTES_BIG_ENDIAN
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| 57 | #define TARGET_BYTES_BIG_ENDIAN 0
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| 58 | #endif
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| 59 |
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| 60 | /* Whether or not the target is big endian. */
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| 61 | extern int target_big_endian;
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| 62 |
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| 63 | /* BFD target architecture. */
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| 64 | #define TARGET_ARCH bfd_arch_i860
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| 65 |
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| 66 | /* The target BFD format. */
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| 67 | #ifdef OBJ_ELF
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| 68 | #define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little")
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| 69 | #else
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| 70 | #error i860 GAS currently supports only the ELF object format
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| 71 | #endif
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| 72 |
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| 73 | #define WORKING_DOT_WORD
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| 74 | #define DIFF_EXPR_OK
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| 75 |
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| 76 | /* Permit temporary numeric labels. */
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| 77 | #define LOCAL_LABELS_FB 1
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| 78 | #define LISTING_HEADER "GAS for i860"
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| 79 |
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| 80 | #define md_convert_frag(b,s,f) as_fatal (_("i860_convert_frag\n"));
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| 81 |
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| 82 | /* Values passed to md_apply_fix3 don't include the symbol value. */
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| 83 | #define MD_APPLY_SYM_VALUE(FIX) 0
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| 84 |
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| 85 | /* No shared lib support, so we don't need to ensure externally
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| 86 | visible symbols can be overridden. */
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| 87 | #define EXTERN_FORCE_RELOC 0
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| 88 |
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| 89 | #endif /* TC_I860 */
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