1 /* tc-dlx.h -- Assemble for the DLX 2 Copyright 2002, 2003 Free Software Foundation, Inc. 3 4 This file is part of GAS, the GNU Assembler. 5 6 GAS is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GAS is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GAS; see the file COPYING. If not, write to the Free 18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 19 02111-1307, USA. */ 20 21 /* Initially created by Kuang Hwa Lin, 3/20/2002. */ 22 23 #define TC_DLX 24 25 #ifndef BFD_ASSEMBLER 26 #error DLX support requires BFD_ASSEMBLER 27 #endif 28 29 #ifndef __BFD_H_SEEN__ 30 #include "bfd.h" 31 #endif 32 33 /* The target BFD architecture. */ 34 #define TARGET_ARCH bfd_arch_dlx 35 #define TARGET_FORMAT "elf32-dlx" 36 #define TARGET_BYTES_BIG_ENDIAN 1 37 38 #define WORKING_DOT_WORD 39 40 #define LEX_DOLLAR 1 41 42 /* #define md_operand(x) */ 43 extern void dlx_pop_insert PARAMS ((void)); 44 extern int set_dlx_skip_hi16_flag PARAMS ((int)); 45 46 #define md_pop_insert() dlx_pop_insert () 47 48 #define md_convert_frag(b,s,f) as_fatal ("convert_frag called\n") 49 #define md_estimate_size_before_relax(f,s) \ 50 (as_fatal ("estimate_size_before_relax called"),1) 51 52 #define tc_unrecognized_line(c) dlx_unrecognized_line (c) 53 54 extern int dlx_unrecognized_line PARAMS ((int)); 55 56 #define tc_headers_hook(a) ; /* not used */ 57 #define tc_headers_hook(a) ; /* not used */ 58 #define tc_crawl_symbol_chain(a) ; /* not used */ 59 #define tc_coff_symbol_emit_hook(a) ; /* not used */ 60 61 #define AOUT_MACHTYPE 101 62 #define TC_COFF_FIX2RTYPE(fix_ptr) tc_coff_fix2rtype (fix_ptr) 63 #define BFD_ARCH bfd_arch_dlx 64 #define COFF_MAGIC DLXMAGIC 65 /* Should the reloc be output ? 66 on the 29k, this is true only if there is a symbol attached. 67 on the h8, this is always true, since no fixup is done 68 on dlx, I have no idea!! but lets keep it here just for fun. 69 */ 70 #define TC_COUNT_RELOC(x) (x->fx_addsy) 71 #define TC_CONS_RELOC BFD_RELOC_32_PCREL 72 73 /* No shared lib support, so we don't need to ensure externally 74 visible symbols can be overridden. */ 75 #define EXTERN_FORCE_RELOC 0 76 77 #define tc_fix_adjustable(FIX) md_dlx_fix_adjustable (FIX) 78 extern bfd_boolean md_dlx_fix_adjustable PARAMS ((struct fix *)); 79 80 /* Values passed to md_apply_fix3 don't include the symbol value. */ 81 #define MD_APPLY_SYM_VALUE(FIX) 0 82 83 #define NEED_FX_R_TYPE 84 85 /* Zero Based Segment?? sound very dangerous to me! */ 86 #define ZERO_BASED_SEGMENTS 87 88 /* Permit temporary numeric labels. */ 89 #define LOCAL_LABELS_FB 1 90 91 #undef LOCAL_LABELS_DOLLAR 92 #define LOCAL_LABELS_DOLLAR 0 93 94 #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */ 95