gcc/config/aarch64/aarch64-netbsd.h

   1 /* Definitions for AArch64 running NetBSD
   2    Copyright (C) 2016-2024 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    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    GCC is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING3.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_AARCH64_NETBSD_H
  21 #define GCC_AARCH64_NETBSD_H
  22
  23 #define TARGET_LINKER_BIG_EMULATION "aarch64nbsdb"
  24 #define TARGET_LINKER_LITTLE_EMULATION "aarch64nbsd"
  25
  26 #if TARGET_BIG_ENDIAN_DEFAULT
  27 #define TARGET_LINKER_EMULATION  TARGET_LINKER_BIG_EMULATION
  28 #else
  29 #define TARGET_LINKER_EMULATION  TARGET_LINKER_LITTLE_EMULATION
  30 #endif
  31
  32 #undef  SUBTARGET_EXTRA_LINK_SPEC
  33 #define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
  34
  35 #define NETBSD_ENTRY_POINT "__start"
  36
  37 #define NETBSD_TARGET_LINK_SPEC  "%{h*} "                               \
  38   "-X %{mbig-endian:-EB -m " TARGET_LINKER_BIG_EMULATION "} "           \
  39   "%{mlittle-endian:-EL -m " TARGET_LINKER_LITTLE_EMULATION "} "        \
  40   "%(netbsd_link_spec)"
  41
  42 #undef  LINK_SPEC
  43 #define LINK_SPEC NETBSD_LINK_SPEC_ELF          \
  44                   NETBSD_TARGET_LINK_SPEC       \
  45                   AARCH64_ERRATA_LINK_SPEC
  46
  47 #undef TARGET_OS_CPP_BUILTINS
  48 #define TARGET_OS_CPP_BUILTINS()                \
  49   do                                            \
  50     {                                           \
  51       NETBSD_OS_CPP_BUILTINS_ELF();             \
  52     }                                           \
  53   while (0)
  54
  55 #undef SUBTARGET_CPP_SPEC
  56 #define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
  57
  58 #undef EXTRA_SPECS
  59 #define EXTRA_SPECS \
  60   { "asm_cpu_spec",             ASM_CPU_SPEC }, \
  61   NETBSD_SUBTARGET_EXTRA_SPECS
  62
  63 #endif  /* GCC_AARCH64_NETBSD_H */