gas/config/tc-bpf.h

   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
  41 /* Call md_pcrel_from_section(), not md_pcrel_from().  */
  42 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
  43
  44 /* We don't need to handle .word strangely.  */
  45 #define WORKING_DOT_WORD
  46
  47 /* Values passed to md_apply_fix don't include the symbol value.  */
  48 #define MD_APPLY_SYM_VALUE(FIX) 0
  49
  50 /* The Linux kernel verifier expects NOPs to be encoded in this way;
  51    a jump to offset 0 means jump to the next instruction.  */
  52 #define md_single_noop_insn "ja 0"
  53
  54 #define TC_EQUAL_IN_INSN(c, s) bpf_tc_equal_in_insn ((c), (s))
  55 extern bool bpf_tc_equal_in_insn (int, char *);
  56
  57 #define elf_tc_final_processing bpf_elf_final_processing
  58 extern void bpf_elf_final_processing (void);