gas/config/tc-mcore.h

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