gas/config/tc-spu.h

   1 /* spu.h -- Assembler for spu
   2
   3    Copyright 2006 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 Free
  19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #define TC_SPU
  23
  24 #ifdef OBJ_ELF
  25 #define TARGET_FORMAT "elf32-spu"
  26 #define TARGET_ARCH bfd_arch_spu
  27 #define TARGET_NAME "elf32-spu"
  28 #endif
  29
  30 #define TARGET_BYTES_BIG_ENDIAN 1
  31
  32 #ifndef TARGET_NAME
  33 #define TARGET_NAME "coff-spu"
  34 #endif
  35
  36 #ifndef TARGET_ARCH
  37 #define TARGET_ARCH bfd_arch_spu
  38 #endif
  39
  40 #define COFF_MAGIC SPU_MAGIC
  41 #define BFD_ARCH bfd_arch_spu
  42
  43 #define NEED_FX_R_TYPE
  44 #define TC_KEEP_FX_OFFSET
  45 /* #define TC_CONS_RELOC RELOC_32 */
  46
  47 /* If defined, fixS will have a member named tc_fix_data of this type.  */
  48 #define TC_FIX_TYPE int
  49 #define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = 0)
  50
  51 /* Don't reduce function symbols to section symbols.  */
  52 #define tc_fix_adjustable(FIXP) (!S_IS_FUNCTION ((FIXP)->fx_addsy))
  53
  54 /* Values passed to md_apply_fix don't include symbol values.  */
  55 #define MD_APPLY_SYM_VALUE(FIX) 0
  56
  57 /* This expression evaluates to false if the relocation is for a local
  58    object for which we still want to do the relocation at runtime.
  59    True if we are willing to perform this relocation while building
  60    the .o file.  This is only used for pcrel relocations.  */
  61
  62 #define TC_RELOC_RTSYM_LOC_FIXUP(FIX)                           \
  63   ((FIX)->fx_addsy == NULL                                      \
  64    || (! S_IS_EXTERNAL ((FIX)->fx_addsy)                        \
  65        && ! S_IS_WEAK ((FIX)->fx_addsy)                         \
  66        && S_IS_DEFINED ((FIX)->fx_addsy)                        \
  67        && ! S_IS_COMMON ((FIX)->fx_addsy)))
  68
  69 /* The spu uses pseudo-ops with no leading period.  */
  70 #define NO_PSEUDO_DOT 1
  71
  72 /* Don't warn on word overflow; it happens on %hi relocs.  */
  73 #undef WARN_SIGNED_OVERFLOW_WORD
  74
  75 #ifdef OBJ_ELF
  76 #define DIFF_EXPR_OK
  77 #endif
  78
  79 #define WORKING_DOT_WORD
  80
  81 #define md_number_to_chars number_to_chars_bigendian
  82
  83 #define md_convert_frag(b,s,f)          {as_fatal (_("spu convert_frag\n"));}
  84
  85 /* We don't need to do anything special for undefined symbols.  */
  86 #define md_undefined_symbol(s) 0
  87
  88 /* We have no special operand handling.  */
  89 #define md_operand(e)
  90
  91 /* Fill in rs_align_code fragments.  */
  92 extern void spu_handle_align PARAMS ((fragS *));
  93 #define HANDLE_ALIGN(frag)  spu_handle_align (frag)
  94
  95 #define MAX_MEM_FOR_RS_ALIGN_CODE  (7 + 8)
  96
  97 #ifdef SPUCOFF
  98
  99 /* Whether a reloc should be output.  */
 100 #define TC_COUNT_RELOC(fixp) ((fixp)->fx_addsy != NULL || (fixp)->fx_subsy != NULL)
 101
 102 /* Get the BFD reloc type to use for a gas fixS structure.  */
 103 #define TC_COFF_FIX2RTYPE(fixp) tc_coff_fix2rtype (fixp)
 104
 105 /* No special hook needed for symbols.  */
 106 #define tc_coff_symbol_emit_hook(s)
 107
 108 /* Align sections to a four byte boundary.  */
 109 #ifndef max
 110 #define max(a,b)        (((a) > (b)) ? (a) : (b))
 111 #endif
 112 #define SUB_SEGMENT_ALIGN(SEG)  max (section_alignment[(int) (SEG)], 4)
 113
 114 #endif /* SPUCOFF */