gas/config/tc-csky.h

   1 /* tc-csky.h -- Header file for tc-csky.c
   2    Copyright (C) 1989-2019 Free Software Foundation, Inc.
   3    Contributed by C-SKY Microsystems and Mentor Graphics.
   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 #ifndef TC_CSKY
  23 #define TC_CSKY 1
  24
  25 #define WORKING_DOT_WORD
  26
  27 #define TARGET_ARCH    bfd_arch_csky
  28
  29 #define LISTING_HEADER "CSKY GAS"
  30
  31 #ifdef OBJ_ELF
  32 #define TARGET_FORMAT elf32_csky_target_format ()
  33 #endif
  34
  35 #define TARGET_BYTES_BIG_ENDIAN 0
  36
  37 #define MD_PCREL_FROM_SECTION(F,S) md_pcrel_from_section (F, S)
  38
  39 #define TC_GENERIC_RELAX_TABLE     csky_relax_table
  40
  41 #define md_end                        md_csky_end
  42 #define md_relax_frag                 csky_relax_frag
  43 #define DOUBLESLASH_LINE_COMMENTS
  44 #define LOCAL_LABELS_FB     1
  45 #define PAD_LITERAL_LENGTH  6
  46 #define PAD_FILL_CONTENT    0x1c00
  47
  48 /* Reloc API.  */
  49 #define EXTERN_FORCE_RELOC  1
  50 #define TC_CONS_FIX_NEW               csky_cons_fix_new
  51 #define TC_FORCE_RELOCATION(fix)      csky_force_relocation (fix)
  52 #define tc_fix_adjustable(FIX)        csky_fix_adjustable (FIX)
  53 #define TC_SEGMENT_INFO_TYPE          csky_segment_info_type
  54
  55 /* Dwarf API.  */
  56 #define DWARF2_LINE_MIN_INSN_LENGTH   2
  57 #define DWARF2_ADDR_SIZE(bfd)   4
  58 #define DWARF2_FDE_RELOC_SIZE   4
  59 #define TARGET_USE_CFIPOP 1
  60 #define tc_cfi_frame_initial_instructions csky_cfi_frame_initial_instructions
  61 #define tc_regname_to_dw2regnum tc_csky_regname_to_dw2regnum
  62 #define DWARF2_DEFAULT_RETURN_COLUMN 15
  63 #define DWARF2_CIE_DATA_ALIGNMENT (-4)
  64
  65 /* .-foo gets turned into PC relative relocs.  */
  66 #define DIFF_EXPR_OK 1
  67
  68 typedef enum
  69 {
  70   MAP_UNDEFINED = 0,
  71   MAP_DATA,
  72   MAP_TEXT,
  73 } map_state;
  74
  75 typedef struct
  76 {
  77   map_state current_state;
  78 } csky_segment_info_type;
  79
  80 struct tls_addend
  81 {
  82   fragS *frag;
  83   offsetT offset;
  84 };
  85
  86 #define TC_FIX_TYPE struct tls_addend
  87 #define TC_INIT_FIX_DATA(FIX) \
  88   { (FIX)->tc_fix_data.frag = NULL; (FIX)->tc_fix_data.offset = 0; }
  89
  90 #include "write.h"
  91 extern const relax_typeS csky_relax_table [];
  92
  93 extern void md_csky_end (void);
  94 extern long md_pcrel_from_section (fixS *, segT);
  95 extern void csky_cons_fix_new (fragS *,
  96                                unsigned int off,
  97                                unsigned int len,
  98                                expressionS *,
  99                                bfd_reloc_code_real_type);
 100 extern int csky_force_relocation (fixS *);
 101 extern bfd_boolean csky_fix_adjustable (fixS *);
 102 extern void csky_cfi_frame_initial_instructions (void);
 103 extern int tc_csky_regname_to_dw2regnum (char *);
 104 extern long csky_relax_frag (segT, fragS *, long);
 105
 106 #ifdef OBJ_ELF
 107 const char * elf32_csky_target_format (void);
 108 #endif
 109
 110 #endif