gas/config/tc-bfin.h

   1 /* tc-bfin.h - header file for tc-bfin.c
   2    Copyright (C) 2005-2021 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 bfd_boolean 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 bfd_boolean 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 bfd_boolean 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 */