gcc/config/aarch64/aarch64-freebsd.h

   1 /* Definitions for AArch64 running FreeBSD
   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_FREEBSD_H
  21 #define GCC_AARCH64_FREEBSD_H
  22
  23 #undef  SUBTARGET_CPP_SPEC
  24 #define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
  25
  26 #if TARGET_BIG_ENDIAN_DEFAULT
  27 #define TARGET_LINKER_EMULATION  "aarch64fbsdb"
  28 #else
  29 #define TARGET_LINKER_EMULATION  "aarch64fbsd"
  30 #endif
  31
  32 #undef  SUBTARGET_EXTRA_LINK_SPEC
  33 #define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
  34
  35 #undef  FBSD_TARGET_LINK_SPEC
  36 #define FBSD_TARGET_LINK_SPEC "                                 \
  37     %{p:%nconsider using `-pg' instead of `-p' with gprof (1)}  \
  38     " FBSD_LINK_PG_NOTE "                                       \
  39     %{v:-V}                                                     \
  40     %{assert*} %{R*} %{rpath*} %{defsym*}                       \
  41     %{shared:-Bshareable %{h*} %{soname*}}                      \
  42     %{symbolic:-Bsymbolic}                                      \
  43     %{static:-Bstatic}                                          \
  44     %{!static:                                                  \
  45       %{rdynamic:-export-dynamic}                               \
  46       %{!shared:-dynamic-linker " FBSD_DYNAMIC_LINKER " }}      \
  47     -X" SUBTARGET_EXTRA_LINK_SPEC "                             \
  48     %{mbig-endian:-EB} %{mlittle-endian:-EL}"
  49
  50 #undef  LINK_SPEC
  51 #define LINK_SPEC FBSD_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
  52
  53 #define GNU_USER_TARGET_MATHFILE_SPEC \
  54   "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}}"
  55
  56 #undef ENDFILE_SPEC
  57 #define ENDFILE_SPEC \
  58     GNU_USER_TARGET_MATHFILE_SPEC " " \
  59     FBSD_ENDFILE_SPEC
  60
  61 #undef  TARGET_OS_CPP_BUILTINS
  62 #define TARGET_OS_CPP_BUILTINS()              \
  63   do                                          \
  64   {                                           \
  65       FBSD_TARGET_OS_CPP_BUILTINS ();         \
  66   }                                           \
  67   while (false)
  68
  69 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
  70
  71 /* Uninitialized common symbols in non-PIE executables, even with
  72    strong definitions in dependent shared libraries, will resolve
  73    to COPY relocated symbol in the executable.  See PR65780.  */
  74 #undef TARGET_BINDS_LOCAL_P
  75 #define TARGET_BINDS_LOCAL_P default_binds_local_p_2
  76
  77 /* Use the AAPCS type for wchar_t, override the one from
  78    config/freebsd.h.  */
  79 #undef  WCHAR_TYPE
  80 #define WCHAR_TYPE  "unsigned int"
  81
  82 #undef MCOUNT_NAME
  83 #define MCOUNT_NAME ".mcount"
  84
  85 #endif  /* GCC_AARCH64_FREEBSD_H */