gas/config/tc-m32r.h

   1 /* tc-m32r.h -- Header file for tc-m32r.c.
   2    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
   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
  19    the Free Software Foundation, 51 Franklin Street - Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #define TC_M32R
  23
  24 #ifndef BFD_ASSEMBLER
  25 /* Leading space so will compile with cc.  */
  26  #error M32R support requires BFD_ASSEMBLER
  27 #endif
  28
  29 #define LISTING_HEADER \
  30   (target_big_endian ? "M32R GAS" : "M32R GAS Little Endian")
  31
  32 /* The target BFD architecture.  */
  33 #define TARGET_ARCH bfd_arch_m32r
  34
  35 /* The endianness of the target format may change based on command
  36    line arguments.  */
  37 #define TARGET_FORMAT m32r_target_format()
  38 extern const char *m32r_target_format (void);
  39
  40 /* Default to big endian.  */
  41 #ifndef TARGET_BYTES_BIG_ENDIAN
  42 #define TARGET_BYTES_BIG_ENDIAN 1
  43 #endif
  44
  45 /* Call md_pcrel_from_section, not md_pcrel_from.  */
  46 long md_pcrel_from_section (struct fix *, segT);
  47 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
  48
  49 /* Permit temporary numeric labels.  */
  50 #define LOCAL_LABELS_FB 1
  51
  52 #define DIFF_EXPR_OK            /* .-foo gets turned into PC relative relocs.  */
  53
  54 /* We don't need to handle .word strangely.  */
  55 #define WORKING_DOT_WORD
  56
  57 /* For 8 vs 16 vs 32 bit branch selection.  */
  58 extern const struct relax_type md_relax_table[];
  59 #define TC_GENERIC_RELAX_TABLE md_relax_table
  60
  61 extern long m32r_relax_frag (segT, fragS *, long);
  62 #define md_relax_frag(segment, fragP, stretch) \
  63   m32r_relax_frag (segment, fragP, stretch)
  64
  65 /* Account for nop if 32 bit insn falls on odd halfword boundary.  */
  66 #define TC_CGEN_MAX_RELAX(insn, len)    6
  67
  68 /* Fill in rs_align_code fragments.  */
  69 extern void m32r_handle_align (fragS *);
  70 #define HANDLE_ALIGN(f)  m32r_handle_align (f)
  71
  72 #define MAX_MEM_FOR_RS_ALIGN_CODE  (1 + 2 + 4)
  73
  74 /* Values passed to md_apply_fix3 don't include the symbol value.  */
  75 #define MD_APPLY_SYM_VALUE(FIX) 0
  76
  77 #define md_apply_fix3 gas_cgen_md_apply_fix3
  78
  79 #define tc_fix_adjustable(FIX) m32r_fix_adjustable (FIX)
  80 bfd_boolean m32r_fix_adjustable (struct fix *);
  81
  82 /* After creating a fixup for an instruction operand, we need to check for
  83    HI16 relocs and queue them up for later sorting.  */
  84 #define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp
  85
  86 #define TC_HANDLES_FX_DONE
  87
  88 extern int pic_code;
  89
  90 extern bfd_boolean m32r_fix_adjustable (struct fix *);
  91
  92 /* This arranges for gas/write.c to not apply a relocation if
  93    obj_fix_adjustable() says it is not adjustable.  */
  94 #define TC_FIX_ADJUSTABLE(fixP) obj_fix_adjustable (fixP)
  95
  96 #define TC_RELOC_RTSYM_LOC_FIXUP(FIX)                           \
  97    ((FIX)->fx_addsy == NULL                                     \
  98     || (! S_IS_EXTERNAL ((FIX)->fx_addsy)                       \
  99         && ! S_IS_WEAK ((FIX)->fx_addsy)                        \
 100         && S_IS_DEFINED ((FIX)->fx_addsy)                       \
 101         && ! S_IS_COMMON ((FIX)->fx_addsy)))
 102
 103 #define tc_frob_file_before_fix() m32r_frob_file ()
 104 extern void m32r_frob_file (void);
 105
 106 /* No shared lib support, so we don't need to ensure externally
 107    visible symbols can be overridden.
 108 #define EXTERN_FORCE_RELOC 0 */
 109
 110 /* When relaxing, we need to emit various relocs we otherwise wouldn't.  */
 111 #define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
 112 extern int m32r_force_relocation (struct fix *);
 113
 114 /* Ensure insns at labels are aligned to 32 bit boundaries.  */
 115 int m32r_fill_insn (int);
 116 #define md_after_pass_hook()    m32r_fill_insn (1)
 117 #define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0))
 118
 119 #define md_cleanup                 m32r_elf_section_change_hook
 120 #define md_elf_section_change_hook m32r_elf_section_change_hook
 121 extern void m32r_elf_section_change_hook (void);
 122
 123 #define md_flush_pending_output()       m32r_flush_pending_output ()
 124 extern void m32r_flush_pending_output (void);
 125
 126 #define elf_tc_final_processing         m32r_elf_final_processing
 127 extern void m32r_elf_final_processing (void);
 128
 129 #define md_parse_name(name, exprP, nextcharP) \
 130   m32r_parse_name ((name), (exprP), (nextcharP))
 131 extern int m32r_parse_name (char const *, expressionS *, char *);
 132
 133 /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
 134    symbols.  The relocation type is stored in X_md.  */
 135 #define O_PIC_reloc O_md1
 136
 137 #define TC_CGEN_PARSE_FIX_EXP(opinfo, exp) \
 138   m32r_cgen_parse_fix_exp(opinfo, exp)
 139 extern int m32r_cgen_parse_fix_exp (int, expressionS *);