gas/config/tc-cris.h

   1 /* tc-cris.h -- Header file for tc-cris.c, the CRIS GAS port.
   2    Copyright (C) 2000 Free Software Foundation, Inc.
   3
   4    Contributed by Axis Communications AB, Lund, Sweden.
   5    Originally written for GAS 1.38.1 by Mikael Asker.
   6    Updated, BFDized and GNUified by Hans-Peter Nilsson.
   7
   8    This file is part of GAS, the GNU Assembler.
   9
  10    GAS is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2, or (at your option)
  13    any later version.
  14
  15    GAS is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GAS; see the file COPYING.  If not, write to the
  22    Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  23    MA 02111-1307, USA.  */
  24
  25 /* See the GAS "internal" document for general documentation on this.
  26    It is called internals.texi (internals.info when makeinfo:d), but is
  27    not installed or makeinfo:d by "make info".  */
  28
  29 /* Functions and variables that aren't declared in tc.h are declared here,
  30    with the type/prototype that is used in the local extern-declaration of
  31    their usage.  */
  32
  33 #ifndef TC_CRIS
  34 #define TC_CRIS
  35
  36 /* Multi-target support is always on.  */
  37 extern const char *cris_target_format PARAMS ((void));
  38 #define TARGET_FORMAT cris_target_format ()
  39
  40 #define TARGET_ARCH bfd_arch_cris
  41
  42 #define TARGET_BYTES_BIG_ENDIAN 0
  43
  44 extern const char *md_shortopts;
  45 extern struct option md_longopts[];
  46 extern size_t md_longopts_size;
  47
  48 extern const pseudo_typeS md_pseudo_table[];
  49
  50 #define tc_comment_chars cris_comment_chars
  51 extern const char cris_comment_chars[];
  52 extern const char line_comment_chars[];
  53 extern const char line_separator_chars[];
  54 extern const char EXP_CHARS[];
  55 extern const char FLT_CHARS[];
  56
  57 /* This should be optional, since it is ignored as an escape (assumed to
  58    be itself) if it is not recognized.  */
  59 #define ONLY_STANDARD_ESCAPES
  60
  61 /* Note that we do not define TC_EQUAL_IN_INSN, since its current use is
  62    in the instruction rather than the operand, and thus does not come to
  63    use for side-effect assignments such as "and.d [r0 = r1 + 42], r3".  */
  64 #define md_operand(x)
  65
  66 #define md_number_to_chars number_to_chars_littleendian
  67
  68 extern const int md_short_jump_size;
  69 extern const int md_long_jump_size;
  70
  71 /* There's no use having different functions for this; the sizes are the
  72    same.  Note that we can't #define md_short_jump_size here.  */
  73 #define md_create_short_jump md_create_long_jump
  74
  75 extern const struct relax_type md_cris_relax_table[];
  76 #define TC_GENERIC_RELAX_TABLE md_cris_relax_table
  77
  78 #define TC_HANDLES_FX_DONE
  79
  80 #define TC_FORCE_RELOCATION(fixp) md_cris_force_relocation (fixp)
  81 extern int md_cris_force_relocation PARAMS ((struct fix *));
  82
  83 /* This is really a workaround for a bug in write.c that resolves relocs
  84    for weak symbols - it should be postponed to the link stage or later.
  85    */
  86 #define tc_fix_adjustable(X)                            \
  87  ((! (X)->fx_addsy || ! S_IS_WEAK((X)->fx_addsy))       \
  88   && (X)->fx_r_type != BFD_RELOC_VTABLE_INHERIT         \
  89   && (X)->fx_r_type != BFD_RELOC_VTABLE_ENTRY)
  90
  91 /* When we have fixups against constant expressions, we get a GAS-specific
  92    section symbol at no extra charge for obscure reasons in
  93    adjust_reloc_syms.  Since ELF outputs section symbols, it gladly
  94    outputs this "*ABS*" symbol in every object.  Avoid that.  */
  95 #define tc_frob_symbol(symp, punt)                      \
  96  do {                                                   \
  97   if (OUTPUT_FLAVOR == bfd_target_elf_flavour           \
  98       && (symp) == section_symbol (absolute_section))   \
  99     (punt) = 1;                                         \
 100  } while (0)
 101
 102 #define LISTING_HEADER "GAS for CRIS"
 103
 104 #if 0
 105 /* The testsuite does not let me define these, although they IMHO should
 106    be preferred over the default.  */
 107 #define LISTING_WORD_SIZE 2
 108 #define LISTING_LHS_WIDTH 4
 109 #define LISTING_LHS_WIDTH_SECOND 4
 110 #endif
 111
 112 /* END of declaration and definitions described in the "internals"
 113    document.  */
 114
 115 /* Do this, or we will never know what hit us when the
 116    broken-word-fixes break.  Do _not_ use WARN_SIGNED_OVERFLOW_WORD,
 117    it is only for use with WORKING_DOT_WORD and warns about most stuff.
 118    (still in 2.9.1).  */
 119 struct broken_word;
 120 extern void tc_cris_check_adjusted_broken_word PARAMS ((offsetT,
 121                                                         struct
 122                                                         broken_word *));
 123 #define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \
 124  tc_cris_check_adjusted_broken_word ((offsetT) (new_offset), brokw)
 125
 126 /* We don't want any implicit alignment, so we do nothing.  */
 127 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR)
 128
 129 /* CRIS instructions, with operands and prefixes included, are a multiple
 130    of two bytes long.  */
 131 #define DWARF2_LINE_MIN_INSN_LENGTH 2
 132
 133 #endif /* TC_CRIS */
 134 /*
 135  * Local variables:
 136  * eval: (c-set-style "gnu")
 137  * indent-tabs-mode: t
 138  * End:
 139  */