gas/config/tc-mcore.h

   1 /* This file is tc-mcore.h
   2
   3    Copyright 1999, 2000, 2001, 2002, 2003
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GAS, the GNU Assembler.
   7
   8    GAS is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2, or (at your option)
  11    any later version.
  12
  13    GAS is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GAS; see the file COPYING.  If not, write to the
  20    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  21    02111-1307, USA.  */
  22
  23 #ifndef TC_MCORE
  24 #define TC_MCORE 1
  25
  26 #ifndef BFD_ASSEMBLER
  27  #error MCORE support requires BFD_ASSEMBLER
  28 #endif
  29
  30 #define TARGET_ARCH     bfd_arch_mcore
  31 /* Used to initialise target_big_endian.  */
  32 #define TARGET_BYTES_BIG_ENDIAN 0
  33
  34 /* Don't write out relocs for pcrel stuff.  */
  35 #define TC_COUNT_RELOC(x) (((x)->fx_addsy || (x)->fx_subsy) && \
  36                            (x)->fx_r_type < BFD_RELOC_MCORE_PCREL_IMM8BY4)
  37
  38 #define IGNORE_NONSTANDARD_ESCAPES
  39
  40 #define TC_RELOC_MANGLE(a,b,c) tc_reloc_mangle (a, b, c)
  41
  42 /* Some pseudo-op semantic extensions.  */
  43 #define PSEUDO_LCOMM_OPTIONAL_ALIGN
  44
  45 #define LISTING_HEADER          "M.CORE GAS Version 2.9.4"
  46 #define LISTING_LHS_CONT_LINES  4
  47
  48 #define NEED_FX_R_TYPE  1
  49 #define COFF_FLAGS      1
  50
  51 /* We want local label support.  */
  52 #define LOCAL_LABELS_FB 1
  53
  54 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep (frag)
  55 int tc_coff_sizemachdep PARAMS ((struct frag *));
  56
  57 extern const struct relax_type md_relax_table[];
  58 #define TC_GENERIC_RELAX_TABLE md_relax_table
  59 #define md_end  md_mcore_end
  60
  61 /* Want the section information too...  */
  62 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
  63
  64 #ifdef  OBJ_COFF
  65
  66 #define TARGET_FORMAT   (target_big_endian ? "pe-mcore-big" : "pe-mcore-little")
  67
  68 struct mcore_tc_sy
  69 {
  70   int sy_flags;
  71 };
  72
  73 #define TC_SYMFIELD_TYPE struct mcore_tc_sy
  74
  75 # if defined TE_PE
  76 #  define TC_FORCE_RELOCATION(x) \
  77      ((x)->fx_r_type == BFD_RELOC_RVA || generic_force_reloc (x))
  78 # endif
  79
  80 #endif /* OBJ_COFF */
  81
  82 #ifdef OBJ_ELF
  83
  84 #define TARGET_FORMAT (target_big_endian ? "elf32-mcore-big" : "elf32-mcore-little")
  85
  86 #define ELF_TC_SPECIAL_SECTIONS \
  87   { ".ctors",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
  88   { ".dtors",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
  89 /* Other special sections not generated by the assembler: .reginfo,
  90    .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn.  */
  91
  92 /* No shared lib support, so we don't need to ensure externally
  93    visible symbols can be overridden.  */
  94 #define EXTERN_FORCE_RELOC 0
  95
  96 /* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
  97 #define TC_FORCE_RELOCATION(fix) mcore_force_relocation (fix)
  98 extern int mcore_force_relocation PARAMS ((struct fix *));
  99
 100 #define tc_fix_adjustable(FIX) mcore_fix_adjustable (FIX)
 101 extern bfd_boolean mcore_fix_adjustable PARAMS ((struct fix *));
 102
 103 /* Values passed to md_apply_fix3 don't include the symbol value.  */
 104 #define MD_APPLY_SYM_VALUE(FIX) 0
 105
 106 #endif /* OBJ_ELF */
 107
 108 #ifndef TARGET_FORMAT
 109 # error No target format specified.
 110 #endif
 111
 112 #include "write.h"        /* For definition of fixS */
 113
 114 extern void      md_begin            PARAMS ((void));
 115 extern void      md_assemble         PARAMS ((char *));
 116 extern symbolS * md_undefined_symbol PARAMS ((char *));
 117 extern void      md_mcore_end        PARAMS ((void));
 118 extern char *    md_atof             PARAMS ((int, char *, int *));
 119 extern int       md_parse_option     PARAMS ((int, char *));
 120 extern void      md_show_usage       PARAMS ((FILE *));
 121 extern void      md_create_short_jump
 122   PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
 123 extern void      md_create_long_jump
 124   PARAMS ((char *, addressT, addressT, fragS *, symbolS *));
 125 extern void      md_convert_frag               PARAMS ((bfd *, segT, fragS *));
 126 extern void      md_operand                    PARAMS ((expressionS *));
 127 extern int       md_estimate_size_before_relax PARAMS ((fragS *, segT));
 128 extern void      md_number_to_chars            PARAMS ((char *, valueT, int));
 129 extern valueT    md_section_align              PARAMS ((segT, valueT));
 130 extern long      md_pcrel_from_section         PARAMS ((fixS *, segT));
 131 extern arelent * tc_gen_reloc                  PARAMS ((asection *, fixS *));
 132
 133 #endif /* TC_MCORE */