1  /* tc-or1k.h -- Header file for tc-or1k.c.
       2     Copyright (C) 2001-2023 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 this program; if not, see <http://www.gnu.org/licenses/> */
      18  
      19  #define TC_OR1K
      20  
      21  #define LISTING_HEADER "Or1k GAS "
      22  
      23  /* The target BFD architecture.  */
      24  #define TARGET_ARCH bfd_arch_or1k
      25  
      26  extern unsigned long or1k_machine;
      27  #define TARGET_MACH (or1k_machine)
      28  
      29  #define TARGET_FORMAT           "elf32-or1k"
      30  #define TARGET_BYTES_BIG_ENDIAN 1
      31  
      32  extern const char or1k_comment_chars [];
      33  #define tc_comment_chars or1k_comment_chars
      34  
      35  /* Permit temporary numeric labels.  */
      36  #define LOCAL_LABELS_FB 1
      37  
      38  #define DIFF_EXPR_OK    1       /* .-foo gets turned into PC relative relocs.  */
      39  
      40  /* We don't need to handle .word strangely.  */
      41  #define WORKING_DOT_WORD
      42  
      43  /* Values passed to md_apply_fix don't include the symbol value.  */
      44  #define MD_APPLY_SYM_VALUE(FIX) 0
      45  
      46  #define md_apply_fix or1k_apply_fix
      47  extern void or1k_apply_fix (struct fix *, valueT *, segT);
      48  
      49  extern bool or1k_fix_adjustable (struct fix *);
      50  #define tc_fix_adjustable(FIX) or1k_fix_adjustable (FIX)
      51  
      52  /* Call md_pcrel_from_section(), not md_pcrel_from().  */
      53  #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section (FIX, SEC)
      54  
      55  /* For 8 vs 16 vs 32 bit branch selection.  */
      56  extern const struct relax_type md_relax_table[];
      57  #define TC_GENERIC_RELAX_TABLE md_relax_table
      58  
      59  #define elf_tc_final_processing or1k_elf_final_processing
      60  void or1k_elf_final_processing (void);
      61  
      62  /* Enable cfi directives.  */
      63  #define TARGET_USE_CFIPOP 1
      64  
      65  /* Stack grows to lower addresses and wants 4 byte boundary.  */
      66  #define DWARF2_CIE_DATA_ALIGNMENT -4
      67  
      68  /* Define the column that represents the PC.  */
      69  #define DWARF2_DEFAULT_RETURN_COLUMN 9
      70  
      71  /* or1k instructions are 4 bytes long.  */
      72  #define DWARF2_LINE_MIN_INSN_LENGTH     4
      73  
      74  #define tc_cfi_frame_initial_instructions \
      75      or1k_cfi_frame_initial_instructions
      76  extern void or1k_cfi_frame_initial_instructions (void);
      77  
      78  #define md_single_noop_insn "l.nop"