gcc/config/alpha/freebsd.h

   1 /* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
   2    Copyright (C) 2000-2018 Free Software Foundation, Inc.
   3    Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
   4
   5 This file is part of GCC.
   6
   7 GCC 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 GCC 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 GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #undef  EXTRA_SPECS
  23 #define EXTRA_SPECS \
  24   { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
  25
  26 /* Provide a CPP_SPEC appropriate for FreeBSD/alpha -- dealing with
  27    the GCC option `-posix'.  */
  28
  29 #undef  CPP_SPEC
  30 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  31
  32 #define LINK_SPEC "%{G*} %{relax:-relax}                                \
  33   %{p:%nconsider using '-pg' instead of '-p' with gprof(1)}             \
  34   %{assert*} %{R*} %{rpath*} %{defsym*}                                 \
  35   %{shared:-Bshareable %{h*} %{soname*}}                                \
  36   %{!shared:                                                            \
  37     %{!static:                                                          \
  38       %{rdynamic:-export-dynamic}                                       \
  39       -dynamic-linker %(fbsd_dynamic_linker) }  \
  40     %{static:-Bstatic}}                                                 \
  41   %{symbolic:-Bsymbolic}"
  42
  43
  44 /************************[  Target stuff  ]***********************************/
  45
  46 /* Define the actual types of some ANSI-mandated types.
  47    Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,
  48    c-common.c, and config/<arch>/<arch>.h.  */
  49
  50 /* alpha.h gets this wrong for FreeBSD.  We use the GCC defaults instead.  */
  51 #undef WCHAR_TYPE
  52
  53 #undef  WCHAR_TYPE_SIZE
  54 #define WCHAR_TYPE_SIZE 32
  55
  56 #define TARGET_ELF      1
  57
  58 #undef HAS_INIT_SECTION
  59
  60 /* Show that we need a GP when profiling.  */
  61 #undef  TARGET_PROFILING_NEEDS_GP
  62 #define TARGET_PROFILING_NEEDS_GP 1
  63
  64 /* Don't default to pcc-struct-return, we want to retain compatibility with
  65    older FreeBSD releases AND pcc-struct-return may not be reentrant.  */
  66
  67 #undef  DEFAULT_PCC_STRUCT_RETURN
  68 #define DEFAULT_PCC_STRUCT_RETURN 0