1  /* spu.h -- Assembler for spu
       2  
       3     Copyright (C) 2006-2023 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 */