gas/config/tc-v850.h

   1 /* tc-v850.h -- Header file for tc-v850.c.
   2    Copyright (C) 1996, 1997, 2000 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 2, 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, 59 Temple Place - Suite 330, Boston, MA
  19    02111-1307, USA.  */
  20
  21 #define TC_V850
  22
  23 #include <elf/v850.h>
  24
  25 #define TARGET_BYTES_BIG_ENDIAN 0
  26
  27 #ifndef BFD_ASSEMBLER
  28  #error V850 support requires BFD_ASSEMBLER
  29 #endif
  30
  31 /* The target BFD architecture.  */
  32 #define TARGET_ARCH             bfd_arch_v850
  33
  34 /* The target BFD format.  */
  35 #define TARGET_FORMAT           "elf32-v850"
  36
  37 #define MD_APPLY_FIX3
  38 #define md_operand(x)
  39
  40 #define obj_fix_adjustable(fixP) v850_fix_adjustable(fixP)
  41 #define TC_FORCE_RELOCATION(fixp) v850_force_relocation(fixp)
  42
  43 #ifdef OBJ_ELF
  44 /* This arranges for gas/write.c to not apply a relocation if
  45    obj_fix_adjustable() says it is not adjustable.  */
  46 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
  47 #endif
  48
  49 extern int v850_force_relocation PARAMS ((struct fix *));
  50
  51 /* Permit temporary numeric labels.  */
  52 #define LOCAL_LABELS_FB 1
  53
  54 #define DIFF_EXPR_OK            /* foo-. gets turned into PC relative relocs */
  55
  56 /* We don't need to handle .word strangely.  */
  57 #define WORKING_DOT_WORD
  58
  59 #define md_number_to_chars number_to_chars_littleendian
  60
  61 /* We need to handle lo(), hi(), etc etc in .hword, .word, etc
  62    directives, so we have to parse "cons" expressions ourselves.  */
  63 #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_cons_expression_v850 (EXP)
  64 #define TC_CONS_FIX_NEW cons_fix_new_v850
  65 extern const struct relax_type md_relax_table[];
  66 #define TC_GENERIC_RELAX_TABLE md_relax_table
  67
  68 /* This section must be in the small data area (pointed to by GP).  */
  69 #define SHF_V850_GPREL          0x10000000
  70 /* This section must be in the tiny data area (pointed to by EP).  */
  71 #define SHF_V850_EPREL          0x20000000
  72 /* This section must be in the zero data area (pointed to by R0).  */
  73 #define SHF_V850_R0REL          0x40000000
  74
  75 #define ELF_TC_SPECIAL_SECTIONS \
  76   { ".sdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  77   { ".rosdata", SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_GPREL  }, \
  78   { ".sbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  79   { ".scommon", SHT_V850_SCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  80   { ".tdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
  81   { ".tbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
  82   { ".tcommon", SHT_V850_TCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  83   { ".zdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  84   { ".rozdata", SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_R0REL  }, \
  85   { ".zbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  86   { ".zcommon", SHT_V850_ZCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  87   { ".call_table_data", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE },           \
  88   { ".call_table_text", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
  89
  90 #define MD_PCREL_FROM_SECTION(fixP,section) v850_pcrel_from_section (fixP, section)
  91 extern long v850_pcrel_from_section ();
  92
  93 #define md_end() v850_finalize ()
  94 extern void v850_finalize PARAMS ((void));
  95
  96 #define DWARF2_LINE_MIN_INSN_LENGTH 2