1  /* tc-bfin.h - header file for tc-bfin.c
       2     Copyright (C) 2005-2023 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 3, 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 the Free
      18     Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
      19     02110-1301, USA.  */
      20  
      21  #define TC_BFIN 1
      22  #define TC_ADI_BFIN 1
      23  
      24  #define TARGET_BYTES_BIG_ENDIAN 0
      25  
      26  #define TARGET_ARCH		bfd_arch_bfin
      27  
      28  /*
      29   * Define the target format macro here.   The value for this should be
      30   * "elf32-bfin", not "elf32-little-bfin".  Since the BFD source file
      31   * elf32-bfin.c defines TARGET_LITTLE_NAME to be "elf32-little-bfin",
      32   * we must use this value, until this is corrected and BFD is rebuilt.  */
      33  #ifdef OBJ_ELF
      34  #define TARGET_FORMAT		"elf32-bfin"
      35  #endif
      36  
      37  #define LISTING_HEADER "BFIN GAS "
      38  
      39  #define WORKING_DOT_WORD
      40  
      41  extern bool bfin_start_label (char *);
      42  
      43  #define md_number_to_chars	number_to_chars_littleendian
      44  #define md_convert_frag(b,s,f)	as_fatal ("bfin convert_frag\n");
      45  
      46  /* Allow for [, ], etc.  */
      47  #define LEX_BR 6
      48  
      49  #define TC_EOL_IN_INSN(PTR) (bfin_eol_in_insn(PTR) ? 1 : 0)
      50  extern bool bfin_eol_in_insn (char *);
      51  
      52  /* Almost all instructions of Blackfin contain an = character.  */
      53  #define TC_EQUAL_IN_INSN(C, NAME) (NAME[0] != '.' || NAME[1] != 0)
      54  
      55  #define NOP_OPCODE 0x0000
      56  
      57  #define LOCAL_LABELS_FB 1
      58  
      59  #define DOUBLESLASH_LINE_COMMENTS
      60  
      61  #define TC_START_LABEL(STR, NUL_CHAR, NEXT_CHAR)	\
      62    (NEXT_CHAR == ':' && bfin_start_label (STR))
      63  #define tc_fix_adjustable(FIX) bfin_fix_adjustable (FIX)
      64  extern bool bfin_fix_adjustable (struct fix *);
      65  
      66  #define TC_FORCE_RELOCATION(FIX) bfin_force_relocation (FIX)
      67  extern int bfin_force_relocation (struct fix *);
      68  
      69  /* Call md_pcrel_from_section(), not md_pcrel_from().  */
      70  #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
      71  
      72  /* Values passed to md_apply_fix3 don't include symbol values.  */
      73  #define MD_APPLY_SYM_VALUE(FIX) 0
      74  
      75  /* This target is buggy, and sets fix size too large.  */
      76  #define TC_FX_SIZE_SLACK(FIX) 2
      77  
      78  extern unsigned int bfin_anomaly_checks;
      79  
      80  /* Anomaly checking */
      81  #define AC_05000074 0x00000001
      82  #define ENABLE_AC_05000074 (bfin_anomaly_checks & AC_05000074)
      83  
      84  /* end of tc-bfin.h */