| 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 */ |