gas/config/tc-v850.h

   1 /* tc-v850.h -- Header file for tc-v850.c.
   2    Copyright 1996, 1997, 1998, 2000, 2001, 2002
   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 2, 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, 59 Temple Place - Suite 330, Boston, MA
  20    02111-1307, USA.  */
  21
  22 #define TC_V850
  23
  24 #include "elf/v850.h"
  25
  26 #define TARGET_BYTES_BIG_ENDIAN 0
  27
  28 #ifndef BFD_ASSEMBLER
  29  #error V850 support requires BFD_ASSEMBLER
  30 #endif
  31
  32 /* The target BFD architecture.  */
  33 #define TARGET_ARCH             bfd_arch_v850
  34
  35 /* The target BFD format.  */
  36 #define TARGET_FORMAT           "elf32-v850"
  37
  38 #define md_operand(x)
  39
  40 #define obj_fix_adjustable(fixP) v850_fix_adjustable(fixP)
  41 extern boolean v850_fix_adjustable PARAMS ((struct fix *));
  42
  43 #define TC_FORCE_RELOCATION(fixp) v850_force_relocation(fixp)
  44 extern int v850_force_relocation PARAMS ((struct fix *));
  45
  46 #ifdef OBJ_ELF
  47 /* This arranges for gas/write.c to not apply a relocation if
  48    obj_fix_adjustable() says it is not adjustable.  */
  49 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
  50 #endif
  51
  52 /* Permit temporary numeric labels.  */
  53 #define LOCAL_LABELS_FB 1
  54
  55 #define DIFF_EXPR_OK            /* foo-. gets turned into PC relative relocs.  */
  56
  57 /* We don't need to handle .word strangely.  */
  58 #define WORKING_DOT_WORD
  59
  60 #define md_number_to_chars number_to_chars_littleendian
  61
  62 /* We need to handle lo(), hi(), etc etc in .hword, .word, etc
  63    directives, so we have to parse "cons" expressions ourselves.  */
  64 #define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_cons_expression_v850 (EXP)
  65 extern void parse_cons_expression_v850 PARAMS ((expressionS *));
  66
  67 #define TC_CONS_FIX_NEW cons_fix_new_v850
  68 extern void cons_fix_new_v850 PARAMS ((fragS *, int, int, expressionS *));
  69
  70 #define TC_GENERIC_RELAX_TABLE md_relax_table
  71 extern const struct relax_type md_relax_table[];
  72
  73 /* When relaxing, we need to generate
  74    relocations for alignment directives.  */
  75 #define HANDLE_ALIGN(frag) v850_handle_align (frag)
  76 extern void v850_handle_align PARAMS ((fragS *));
  77
  78 /* This section must be in the small data area (pointed to by GP).  */
  79 #define SHF_V850_GPREL          0x10000000
  80 /* This section must be in the tiny data area (pointed to by EP).  */
  81 #define SHF_V850_EPREL          0x20000000
  82 /* This section must be in the zero data area (pointed to by R0).  */
  83 #define SHF_V850_R0REL          0x40000000
  84
  85 #define ELF_TC_SPECIAL_SECTIONS \
  86   { ".sdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  87   { ".rosdata", SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_GPREL  }, \
  88   { ".sbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  89   { ".scommon", SHT_V850_SCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
  90   { ".tdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
  91   { ".tbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
  92   { ".tcommon", SHT_V850_TCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  93   { ".zdata",   SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  94   { ".rozdata", SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_R0REL  }, \
  95   { ".zbss",    SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  96   { ".zcommon", SHT_V850_ZCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
  97   { ".call_table_data", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE },           \
  98   { ".call_table_text", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
  99
 100 #define MD_PCREL_FROM_SECTION(fixP,section) v850_pcrel_from_section (fixP, section)
 101 extern long v850_pcrel_from_section PARAMS ((struct fix *, asection *));
 102
 103 #define DWARF2_LINE_MIN_INSN_LENGTH 2