gas/config/tc-dlx.h

   1 /* tc-dlx.h -- Assemble for the DLX
   2    Copyright 2002 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 attatched.
  67         on the h8, this is allways 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 /* We need to force out some relocations when relaxing.  */
  78 #define TC_FORCE_RELOCATION(FIX) md_dlx_force_relocation (FIX)
  79 struct fix;
  80 extern int md_dlx_force_relocation PARAMS ((struct fix *));
  81
  82 #define tc_fix_adjustable(FIX) md_dlx_fix_adjustable (FIX)
  83 extern boolean md_dlx_fix_adjustable PARAMS ((struct fix *));
  84
  85 /* Values passed to md_apply_fix3 don't include the symbol value.  */
  86 #define MD_APPLY_SYM_VALUE(FIX) 0
  87
  88 #define NEED_FX_R_TYPE
  89
  90 /* Zero Based Segment?? sound very dangerous to me!     */
  91 #define ZERO_BASED_SEGMENTS
  92
  93 /* Permit temporary numeric labels.  */
  94 #define LOCAL_LABELS_FB 1
  95
  96 #undef  LOCAL_LABELS_DOLLAR
  97 #define LOCAL_LABELS_DOLLAR 0
  98
  99 #define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs */