gas/config/tc-sh.h

   1 /* This file is tc-sh.h
   2    Copyright (C) 1993, 94, 95, 96, 97, 1998 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
  18    the Free Software Foundation, 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #define TC_SH
  22
  23 #define TARGET_BYTES_BIG_ENDIAN 0
  24
  25 #define TARGET_ARCH bfd_arch_sh
  26
  27 #if ANSI_PROTOTYPES
  28 struct segment_info_struct;
  29 struct internal_reloc;
  30 #endif
  31
  32 /* Whether in little endian mode.  */
  33 extern int shl;
  34
  35 /* Whether -relax was used.  */
  36 extern int sh_relax;
  37
  38 /* Whether -small was used.  */
  39 extern int sh_small;
  40
  41 /* Don't try to break words.  */
  42 #define WORKING_DOT_WORD
  43
  44 /* We require .long, et. al., to be aligned correctly.  */
  45 #define md_cons_align(nbytes) sh_cons_align (nbytes)
  46 extern void sh_cons_align PARAMS ((int));
  47
  48 /* When relaxing, we need to generate relocations for alignment
  49    directives.  */
  50 #define HANDLE_ALIGN(frag) sh_handle_align (frag)
  51 extern void sh_handle_align PARAMS ((fragS *));
  52
  53 /* We need to force out some relocations when relaxing.  */
  54 #define TC_FORCE_RELOCATION(fix) sh_force_relocation (fix)
  55 extern int sh_force_relocation ();
  56
  57 #ifdef OBJ_ELF
  58 #define obj_fix_adjustable(fixP) sh_fix_adjustable(fixP)
  59 #endif
  60
  61 #define IGNORE_NONSTANDARD_ESCAPES
  62
  63 #define LISTING_HEADER (shl ? "Hitachi Super-H GAS Little Endian" : "Hitachi Super-H GAS Big Endian")
  64
  65 #define md_operand(x)
  66
  67 extern const struct relax_type md_relax_table[];
  68 #define TC_GENERIC_RELAX_TABLE md_relax_table
  69
  70 /* We use a special alignment function to insert the correct nop
  71    pattern.  */
  72 extern int sh_do_align PARAMS ((int, const char *, int, int));
  73 #define md_do_align(n,fill,len,max,l) if (sh_do_align (n,fill,len,max)) goto l
  74
  75 /* We record, for each section, whether we have most recently output a
  76    CODE reloc or a DATA reloc.  */
  77 struct sh_segment_info_type
  78 {
  79   int in_code : 1;
  80 };
  81 #define TC_SEGMENT_INFO_TYPE struct sh_segment_info_type
  82
  83 /* We call a routine to emit a reloc for a label, so that the linker
  84    can align loads and stores without crossing a label.  */
  85 extern void sh_frob_label PARAMS ((void));
  86 #define tc_frob_label(sym) sh_frob_label ()
  87
  88 /* We call a routine to flush pending output in order to output a DATA
  89    reloc when required.  */
  90 extern void sh_flush_pending_output PARAMS ((void));
  91 #define md_flush_pending_output() sh_flush_pending_output ()
  92
  93 #ifdef BFD_ASSEMBLER
  94 #define tc_frob_file_before_adjust sh_frob_file
  95 #else
  96 #define tc_frob_file sh_frob_file
  97 #endif
  98 extern void sh_frob_file PARAMS ((void));
  99
 100 #ifdef OBJ_COFF
 101 /* COFF specific definitions.  */
 102
 103 #define DO_NOT_STRIP 0
 104
 105 /* This macro translates between an internal fix and an coff reloc type */
 106 #define TC_COFF_FIX2RTYPE(fix) ((fix)->fx_r_type)
 107
 108 #define BFD_ARCH TARGET_ARCH
 109
 110 #define COFF_MAGIC (shl ? SH_ARCH_MAGIC_LITTLE : SH_ARCH_MAGIC_BIG)
 111
 112 /* We need to write out relocs which have not been completed.  */
 113 #define TC_COUNT_RELOC(fix) ((fix)->fx_addsy != NULL)
 114
 115 #define TC_RELOC_MANGLE(seg, fix, int, paddr) \
 116   sh_coff_reloc_mangle ((seg), (fix), (int), (paddr))
 117 extern void sh_coff_reloc_mangle
 118   PARAMS ((struct segment_info_struct *, struct fix *,
 119            struct internal_reloc *, unsigned int));
 120
 121 #define tc_coff_symbol_emit_hook(a) ; /* not used */
 122
 123 #define NEED_FX_R_TYPE 1
 124
 125 #define TC_KEEP_FX_OFFSET 1
 126
 127 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
 128 extern int tc_coff_sizemachdep PARAMS ((fragS *));
 129
 130 /* We align most sections to a 16 byte boundary.  */
 131 #define SUB_SEGMENT_ALIGN(SEG)                                  \
 132   (strncmp (obj_segment_name (SEG), ".stabstr", 8) == 0         \
 133    ? 0                                                          \
 134    : ((strncmp (obj_segment_name (SEG), ".stab", 5) == 0        \
 135        || strcmp (obj_segment_name (SEG), ".ctors") == 0        \
 136        || strcmp (obj_segment_name (SEG), ".dtors") == 0)       \
 137       ? 2                                                       \
 138       : (sh_small ? 2 : 4)))
 139
 140 #endif /* OBJ_COFF */
 141
 142 #ifdef OBJ_ELF
 143 /* ELF specific definitions.  */
 144
 145 /* Whether or not the target is big endian */
 146 extern int target_big_endian;
 147
 148 #define TARGET_FORMAT (shl ? "elf32-shl" : "elf32-sh")
 149
 150 #endif /* OBJ_ELF */
 151
 152 /* end of tc-sh.h */