1 /* tc-i860.h -- Header file for the i860. 2 Copyright (C) 1991-2016 Free Software Foundation, Inc. 3 4 Brought back from the dead and completely reworked 5 by Jason Eckhardt <jle@cygnus.com>. 6 7 This file is part of GAS, the GNU Assembler. 8 9 GAS is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3, or (at your option) 12 any later version. 13 14 GAS is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License along 20 with GAS; see the file COPYING. If not, write to the Free Software 21 Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 #ifndef TC_I860 24 #define TC_I860 1 25 26 enum i860_fix_info 27 { 28 OP_NONE = 0x00000, 29 OP_IMM_U5 = 0x00001, 30 OP_IMM_S16 = 0x00002, 31 OP_IMM_U16 = 0x00004, 32 OP_IMM_SPLIT16 = 0x00008, 33 OP_IMM_BR26 = 0x00010, 34 OP_IMM_BR16 = 0x00020, 35 OP_ENCODE1 = 0x00040, 36 OP_ENCODE2 = 0x00080, 37 OP_ENCODE3 = 0x00100, 38 OP_SEL_HA = 0x00200, 39 OP_SEL_H = 0x00400, 40 OP_SEL_L = 0x00800, 41 OP_SEL_GOT = 0x01000, 42 OP_SEL_GOTOFF = 0x02000, 43 OP_SEL_PLT = 0x04000, 44 OP_ALIGN2 = 0x08000, 45 OP_ALIGN4 = 0x10000, 46 OP_ALIGN8 = 0x20000, 47 OP_ALIGN16 = 0x40000 48 }; 49 50 /* Set the endianness we are using. Default to little endian. */ 51 #ifndef TARGET_BYTES_BIG_ENDIAN 52 #define TARGET_BYTES_BIG_ENDIAN 0 53 #endif 54 55 /* Whether or not the target is big endian. */ 56 extern int target_big_endian; 57 58 /* BFD target architecture. */ 59 #define TARGET_ARCH bfd_arch_i860 60 61 /* The target BFD format. */ 62 #ifdef OBJ_ELF 63 #define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little") 64 #else 65 #error i860 GAS currently supports only the ELF object format 66 #endif 67 68 #define WORKING_DOT_WORD 69 #define DIFF_EXPR_OK 70 71 /* Permit temporary numeric labels. */ 72 #define LOCAL_LABELS_FB 1 73 #define LISTING_HEADER "GAS for i860" 74 75 #define md_convert_frag(b,s,f) abort () 76 77 /* Values passed to md_apply_fix don't include the symbol value. */ 78 #define MD_APPLY_SYM_VALUE(FIX) 0 79 80 /* No shared lib support, so we don't need to ensure externally 81 visible symbols can be overridden. */ 82 #define EXTERN_FORCE_RELOC 0 83 84 /* Bits for post-processing of a user defined label to check if 85 it has a double colon (Intel syntax only). */ 86 extern void i860_check_label (symbolS *labelsym); 87 #define tc_check_label(ls) i860_check_label (ls) 88 89 /* Bits for filling in rs_align_code fragments with NOPs. */ 90 extern void i860_handle_align (struct frag *); 91 #define HANDLE_ALIGN(fragp) i860_handle_align (fragp) 92 93 #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) 94 95 #endif /* TC_I860 */ 96