gas/config/tc-bfin.h

   1 /* tc-bfin.h - header file for tc-bfin.c
   2    Copyright 2005, 2007, 2008
   3    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 #define TC_BFIN 1
  23 #define TC_ADI_BFIN 1
  24
  25 #define TARGET_BYTES_BIG_ENDIAN 0
  26
  27 #define TARGET_ARCH             bfd_arch_bfin
  28
  29 /*
  30  * Define the target format macro here.   The value for this should be
  31  * "elf32-bfin", not "elf32-little-bfin".  Since the BFD source file
  32  * elf32-bfin.c defines TARGET_LITTLE_NAME to be "elf32-little-bfin",
  33  * we must use this value, until this is corrected and BFD is rebuilt.  */
  34 #ifdef OBJ_ELF
  35 #define TARGET_FORMAT           "elf32-bfin"
  36 #endif
  37
  38 #define LISTING_HEADER "BFIN GAS "
  39
  40 #define WORKING_DOT_WORD
  41
  42 extern void bfin_start_line_hook (void);
  43 extern bfd_boolean bfin_start_label (char *);
  44
  45 #define md_start_line_hook()    bfin_start_line_hook()
  46 #define md_number_to_chars      number_to_chars_littleendian
  47 #define md_convert_frag(b,s,f)  as_fatal ("bfin convert_frag\n");
  48
  49 /* Allow for [, ], etc.  */
  50 #define LEX_BR 6
  51
  52 #define TC_EOL_IN_INSN(PTR) (bfin_eol_in_insn(PTR) ? 1 : 0)
  53 extern bfd_boolean bfin_eol_in_insn (char *);
  54
  55 /* Almost all instructions of Blackfin contain an = character.  */
  56 #define TC_EQUAL_IN_INSN(C, NAME) 1
  57
  58 #define NOP_OPCODE 0x0000
  59
  60 #define LOCAL_LABELS_FB 1
  61
  62 #define DOUBLESLASH_LINE_COMMENTS
  63
  64 #define TC_START_LABEL(ch ,ptr) (ch == ':' && bfin_start_label (ptr))
  65 #define tc_fix_adjustable(FIX) bfin_fix_adjustable (FIX)
  66 extern bfd_boolean bfin_fix_adjustable (struct fix *);
  67
  68 #define TC_FORCE_RELOCATION(FIX) bfin_force_relocation (FIX)
  69 extern int bfin_force_relocation (struct fix *);
  70
  71 /* Call md_pcrel_from_section(), not md_pcrel_from().  */
  72 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
  73 extern long md_pcrel_from_section (struct fix *, segT);
  74
  75 /* Values passed to md_apply_fix3 don't include symbol values.  */
  76 #define MD_APPLY_SYM_VALUE(FIX) 0
  77
  78 /* This target is buggy, and sets fix size too large.  */
  79 #define TC_FX_SIZE_SLACK(FIX) 2
  80
  81 /* end of tc-bfin.h */