1 /* tc-dlx.h -- Assemble for the DLX
2 Copyright 2002 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
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)
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.
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
21 /* Initially created by Kuang Hwa Lin, 3/20/2002. */
23 #include "write.h" /* For the definition of fixS. */
28 #error DLX support requires BFD_ASSEMBLER
31 #ifndef __BFD_H_SEEN__
35 /* The target BFD architecture. */
36 #define TARGET_ARCH bfd_arch_dlx
37 #define TARGET_FORMAT "elf32-dlx"
38 #define TARGET_BYTES_BIG_ENDIAN 1
40 #define WORKING_DOT_WORD
44 /* #define md_operand(x) */
45 extern void dlx_pop_insert PARAMS ((void));
46 extern int set_dlx_skip_hi16_flag PARAMS ((int));
48 #define md_pop_insert() dlx_pop_insert ()
50 #define md_convert_frag(b,s,f) as_fatal ("alpha convert_frag\n")
51 #define md_convert_frag(b,s,f) as_fatal ("alpha convert_frag\n")
52 #define md_estimate_size_before_relax(f,s) \
53 (as_fatal ("estimate_size_before_relax called"),1)
55 #define tc_unrecognized_line(c) dlx_unrecognized_line (c)
57 extern int dlx_unrecognized_line PARAMS ((int));
59 #define tc_headers_hook(a) ; /* not used */
60 #define tc_headers_hook(a) ; /* not used */
61 #define tc_crawl_symbol_chain(a) ; /* not used */
62 #define tc_coff_symbol_emit_hook(a) ; /* not used */
64 #define AOUT_MACHTYPE 101
65 #define TC_COFF_FIX2RTYPE(fix_ptr) tc_coff_fix2rtype (fix_ptr)
66 #define BFD_ARCH bfd_arch_dlx
67 #define COFF_MAGIC DLXMAGIC
68 /* Should the reloc be output ?
69 on the 29k, this is true only if there is a symbol attatched.
70 on the h8, this is allways true, since no fixup is done
71 on dlx, I have no idea!! but lets keep it here just for fun.
73 #define TC_COUNT_RELOC(x) (x->fx_addsy)
74 #define TC_CONS_RELOC BFD_RELOC_32_PCREL
76 /* We need to force out some relocations when relaxing. */
77 #define TC_FORCE_RELOCATION(fix) md_dlx_force_relocation (fix)
79 extern int md_dlx_force_relocation PARAMS ((struct fix *));
81 #define obj_fix_adjustable(fixP) md_dlx_fix_adjustable(fixP)
83 extern boolean md_dlx_fix_adjustable PARAMS ((struct fix *));
85 /* This arranges for gas/write.c to not apply a relocation if
86 obj_fix_adjustable() says it is not adjustable. */
87 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
89 #define NEED_FX_R_TYPE
91 /* Zero Based Segment?? sound very dangerous to me! */
92 #define ZERO_BASED_SEGMENTS
94 /* Permit temporary numeric labels. */
95 #define LOCAL_LABELS_FB 1
96 #ifdef LOCAL_LABELS_DOLLAR
97 #undef LOCAL_LABELS_DOLLAR
99 #define LOCAL_LABELS_DOLLAR 0
101 #define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */