1 /* tc-i860.h -- Header file for the i860. 2 Copyright 1991, 1992, 1995, 1998, 2000, 2001, 2002, 2003, 2005 3 Free Software Foundation, Inc. 4 5 Brought back from the dead and completely reworked 6 by Jason Eckhardt <jle@cygnus.com>. 7 8 This file is part of GAS, the GNU Assembler. 9 10 GAS is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2, or (at your option) 13 any later version. 14 15 GAS is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License along 21 with GAS; see the file COPYING. If not, write to the Free Software 22 Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 23 24 #ifndef TC_I860 25 #define TC_I860 1 26 27 enum i860_fix_info 28 { 29 OP_NONE = 0x00000, 30 OP_IMM_U5 = 0x00001, 31 OP_IMM_S16 = 0x00002, 32 OP_IMM_U16 = 0x00004, 33 OP_IMM_SPLIT16 = 0x00008, 34 OP_IMM_BR26 = 0x00010, 35 OP_IMM_BR16 = 0x00020, 36 OP_ENCODE1 = 0x00040, 37 OP_ENCODE2 = 0x00080, 38 OP_ENCODE3 = 0x00100, 39 OP_SEL_HA = 0x00200, 40 OP_SEL_H = 0x00400, 41 OP_SEL_L = 0x00800, 42 OP_SEL_GOT = 0x01000, 43 OP_SEL_GOTOFF = 0x02000, 44 OP_SEL_PLT = 0x04000, 45 OP_ALIGN2 = 0x08000, 46 OP_ALIGN4 = 0x10000, 47 OP_ALIGN8 = 0x20000, 48 OP_ALIGN16 = 0x40000 49 }; 50 51 /* Set the endianness we are using. Default to little endian. */ 52 #ifndef TARGET_BYTES_BIG_ENDIAN 53 #define TARGET_BYTES_BIG_ENDIAN 0 54 #endif 55 56 /* Whether or not the target is big endian. */ 57 extern int target_big_endian; 58 59 /* BFD target architecture. */ 60 #define TARGET_ARCH bfd_arch_i860 61 62 /* The target BFD format. */ 63 #ifdef OBJ_ELF 64 #define TARGET_FORMAT (target_big_endian ? "elf32-i860" : "elf32-i860-little") 65 #else 66 #error i860 GAS currently supports only the ELF object format 67 #endif 68 69 #define WORKING_DOT_WORD 70 #define DIFF_EXPR_OK 71 72 /* Permit temporary numeric labels. */ 73 #define LOCAL_LABELS_FB 1 74 #define LISTING_HEADER "GAS for i860" 75 76 #define md_convert_frag(b,s,f) as_fatal (_("i860_convert_frag\n")); 77 78 /* Values passed to md_apply_fix don't include the symbol value. */ 79 #define MD_APPLY_SYM_VALUE(FIX) 0 80 81 /* No shared lib support, so we don't need to ensure externally 82 visible symbols can be overridden. */ 83 #define EXTERN_FORCE_RELOC 0 84 85 /* Bits for post-processing of a user defined label to check if 86 it has a double colon (Intel syntax only). */ 87 extern void i860_check_label (symbolS *labelsym); 88 #define tc_check_label(ls) i860_check_label (ls) 89 90 /* Bits for filling in rs_align_code fragments with NOPs. */ 91 extern void i860_handle_align (struct frag *); 92 #define HANDLE_ALIGN(fragp) i860_handle_align (fragp) 93 94 #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 4) 95 96 #endif /* TC_I860 */ 97