gas/config/tc-rx.h

   1 /* tc-rx.h - header file for Renesas RX
   2    Copyright (C) 2008-2018 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_RX
  22
  23 extern int target_big_endian;
  24
  25 #define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE")
  26 #define LISTING_LHS_WIDTH 8
  27 #define LISTING_WORD_SIZE 1
  28
  29 #define TARGET_ARCH bfd_arch_rx
  30
  31 /* Instruction bytes are big endian, data bytes can be either.  */
  32 #define TARGET_BYTES_BIG_ENDIAN 0
  33
  34 #ifndef TE_LINUX
  35 #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le")
  36 #else
  37 #define TARGET_FORMAT "elf32-rx-linux"
  38 #endif
  39
  40 /* We don't need to handle .word strangely.  */
  41 #define WORKING_DOT_WORD
  42
  43 /* Permit temporary numeric labels.  */
  44 #define LOCAL_LABELS_FB 1
  45 /* But make sure that the binutils treat them as locals.  */
  46 #define LOCAL_LABEL_PREFIX '.'
  47
  48 /* Allow classic-style constants.  */
  49 #define NUMBERS_WITH_SUFFIX 1
  50
  51 /* .-foo gets turned into PC relative relocs.  */
  52 #define DIFF_EXPR_OK
  53
  54 #define md_end rx_md_end
  55 extern void rx_md_end (void);
  56
  57 #define md_relax_frag rx_relax_frag
  58 extern int rx_relax_frag (segT, fragS *, long);
  59
  60 #define TC_FRAG_TYPE struct rx_bytesT *
  61 #define TC_FRAG_INIT rx_frag_init
  62 extern void rx_frag_init (fragS *);
  63
  64 /* Call md_pcrel_from_section(), not md_pcrel_from().  */
  65 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
  66 extern long md_pcrel_from_section (struct fix *, segT);
  67
  68 /* RX doesn't have a 32 bit PCREL relocations.  */
  69 #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
  70
  71 #define TC_VALIDATE_FIX_SUB(FIX, SEG)           \
  72   rx_validate_fix_sub (FIX)
  73 extern int rx_validate_fix_sub (struct fix *);
  74
  75 #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC)        \
  76   rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC)
  77 extern void rx_cons_fix_new (fragS *, int, int, expressionS *,
  78                              bfd_reloc_code_real_type);
  79
  80 #define tc_fix_adjustable(x) 0
  81
  82 #define md_do_align(n, fill, len, max, around)                          \
  83   if ((n)                                                               \
  84       && !need_pass_2                                                   \
  85       && (!(fill)                                                       \
  86           || ((char)*(fill) == (char)0x03 && (len) == 1))               \
  87       && subseg_text_p (now_seg))                                       \
  88     {                                                                   \
  89       frag_align_code ((n), (max));                                     \
  90       goto around;                                                      \
  91     }
  92
  93 #define MAX_MEM_FOR_RS_ALIGN_CODE 8
  94 #define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG)
  95 extern void rx_handle_align (fragS *);
  96
  97 #define RELOC_EXPANSION_POSSIBLE 1
  98 #define MAX_RELOC_EXPANSION      4
  99
 100 #define elf_tc_final_processing rx_elf_final_processing
 101 extern void rx_elf_final_processing (void);
 102
 103 extern bfd_boolean rx_use_conventional_section_names;
 104 #define TEXT_SECTION_NAME       (rx_use_conventional_section_names ? ".text" : "P")
 105 #define DATA_SECTION_NAME       (rx_use_conventional_section_names ? ".data" : "D_1")
 106 #define BSS_SECTION_NAME        (rx_use_conventional_section_names ? ".bss"  : "B_1")
 107
 108 #define md_start_line_hook rx_start_line
 109 extern void rx_start_line (void);