gas/config/tc-spu.h

   1 /* spu.h -- Assembler for spu
   2
   3    Copyright 2006, 2007, 2008, 2009 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 3, 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 #ifndef TC_SPU
  23 #define TC_SPU 1
  24
  25 #include "opcode/spu.h"
  26
  27 #define TARGET_FORMAT "elf32-spu"
  28 #define TARGET_ARCH bfd_arch_spu
  29 #define TARGET_NAME "elf32-spu"
  30
  31 #define TARGET_BYTES_BIG_ENDIAN 1
  32
  33 struct tc_fix_info {
  34   unsigned short arg_format;
  35   unsigned short insn_tag;
  36 };
  37
  38 /* fixS will have a member named tc_fix_data of this type.  */
  39 #define TC_FIX_TYPE struct tc_fix_info
  40 #define TC_INIT_FIX_DATA(FIXP) \
  41   do                                            \
  42     {                                           \
  43       (FIXP)->tc_fix_data.arg_format = 0;       \
  44       (FIXP)->tc_fix_data.insn_tag = 0;         \
  45     }                                           \
  46   while (0)
  47
  48 /* Don't reduce function symbols to section symbols, and don't adjust
  49    references to PPU symbols.  */
  50 #define tc_fix_adjustable(FIXP) \
  51   (!(S_IS_FUNCTION ((FIXP)->fx_addsy)                   \
  52      || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32        \
  53      || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64        \
  54      || (FIXP)->fx_r_type == BFD_RELOC_SPU_ADD_PIC))
  55
  56 /* Keep relocs on calls.  Branches to function symbols are tail or
  57    sibling calls.  */
  58 #define TC_FORCE_RELOCATION(FIXP) \
  59   ((FIXP)->tc_fix_data.insn_tag == M_BRSL               \
  60    || (FIXP)->tc_fix_data.insn_tag == M_BRASL           \
  61    || (((FIXP)->tc_fix_data.insn_tag == M_BR            \
  62         || (FIXP)->tc_fix_data.insn_tag == M_BRA)       \
  63        && (FIXP)->fx_addsy != NULL                      \
  64        && S_IS_FUNCTION ((FIXP)->fx_addsy))             \
  65    || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32          \
  66    || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64          \
  67    || (FIXP)->fx_r_type == BFD_RELOC_SPU_ADD_PIC        \
  68    || generic_force_reloc (FIXP))
  69
  70 /* Values passed to md_apply_fix don't include symbol values.  */
  71 #define MD_APPLY_SYM_VALUE(FIX) 0
  72
  73 /* The spu uses pseudo-ops with no leading period.  */
  74 #define NO_PSEUDO_DOT 1
  75
  76 /* Don't warn on word overflow; it happens on %hi relocs.  */
  77 #undef WARN_SIGNED_OVERFLOW_WORD
  78
  79 #define DIFF_EXPR_OK
  80
  81 #define WORKING_DOT_WORD
  82
  83 #define md_number_to_chars number_to_chars_bigendian
  84
  85 #define md_convert_frag(b,s,f)          {as_fatal (_("spu convert_frag\n"));}
  86
  87 /* We don't need to do anything special for undefined symbols.  */
  88 #define md_undefined_symbol(s) 0
  89
  90 extern symbolS *section_symbol (asection *);
  91 #define md_operand(e) \
  92   do {                                                          \
  93     if (strncasecmp (input_line_pointer, "@ppu", 4) == 0)       \
  94       {                                                         \
  95         e->X_op = O_symbol;                                     \
  96         if (abs_section_sym == NULL)                            \
  97           abs_section_sym = section_symbol (absolute_section);  \
  98         e->X_add_symbol = abs_section_sym;                      \
  99         e->X_add_number = 0;                                    \
 100       }                                                         \
 101   } while (0)
 102
 103 /* Fill in rs_align_code fragments.  */
 104 extern void spu_handle_align (fragS *);
 105 #define HANDLE_ALIGN(frag)  spu_handle_align (frag)
 106
 107 #define MAX_MEM_FOR_RS_ALIGN_CODE  (7 + 8)
 108
 109 #endif /* TC_SPU */