1  /* tc-bpf.h -- Header file for tc-ebpf.c.
       2     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       3     Contributed by Oracle, 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 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  #define TC_BPF
      23  
      24  #define LISTING_HEADER "BPF GAS "
      25  
      26  /* The target BFD architecture.  */
      27  #define TARGET_ARCH bfd_arch_bpf
      28  #define TARGET_MACH 0 /* The default.  */
      29  
      30  #define TARGET_FORMAT                                                   \
      31    (target_big_endian ? "elf64-bpfbe" : "elf64-bpfle")
      32  
      33  /* This is used to set the default value for `target_big_endian'.  */
      34  #ifndef TARGET_BYTES_BIG_ENDIAN
      35  #define TARGET_BYTES_BIG_ENDIAN 0
      36  #endif
      37  
      38  /* .-foo gets turned into PC relative relocs.  */
      39  #define DIFF_EXPR_OK    1
      40  #define GAS_CGEN_PCREL_R_TYPE(R_TYPE) gas_cgen_pcrel_r_type (R_TYPE)
      41  
      42  /* Call md_pcrel_from_section(), not md_pcrel_from().  */
      43  #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
      44  
      45  /* We don't need to handle .word strangely.  */
      46  #define WORKING_DOT_WORD
      47  
      48  /* Values passed to md_apply_fix don't include the symbol value.  */
      49  #define MD_APPLY_SYM_VALUE(FIX) 0
      50  
      51  /* The Linux kernel verifier expects NOPs to be encoded in this way;
      52     a jump to offset 0 means jump to the next instruction.  */
      53  #define md_single_noop_insn "ja 0"
      54  
      55  #define TC_EQUAL_IN_INSN(c, s) 1