gcc/config/alpha/freebsd.h

   1 /* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
   2    Copyright (C) 2000, 2002, 2004, 2005, 2007 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   %{Wl,*:%*}                                                            \
  35   %{assert*} %{R*} %{rpath*} %{defsym*}                                 \
  36   %{shared:-Bshareable %{h*} %{soname*}}                                \
  37   %{!shared:                                                            \
  38     %{!static:                                                          \
  39       %{rdynamic:-export-dynamic}                                       \
  40       %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }}       \
  41     %{static:-Bstatic}}                                                 \
  42   %{symbolic:-Bsymbolic}"
  43
  44
  45 /************************[  Target stuff  ]***********************************/
  46
  47 /* Define the actual types of some ANSI-mandated types.
  48    Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,
  49    c-common.c, and config/<arch>/<arch>.h.  */
  50
  51 /* alpha.h gets this wrong for FreeBSD.  We use the GCC defaults instead.  */
  52 #undef WCHAR_TYPE
  53
  54 #undef  WCHAR_TYPE_SIZE
  55 #define WCHAR_TYPE_SIZE 32
  56
  57 #undef  TARGET_VERSION
  58 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)");
  59
  60 #define TARGET_ELF      1
  61
  62 #undef  TARGET_DEFAULT
  63 #define TARGET_DEFAULT  (MASK_FPREGS | MASK_GAS)
  64
  65 #undef HAS_INIT_SECTION
  66
  67 /* Show that we need a GP when profiling.  */
  68 #undef  TARGET_PROFILING_NEEDS_GP
  69 #define TARGET_PROFILING_NEEDS_GP 1
  70
  71 /* This is the char to use for continuation (in case we need to turn
  72    continuation back on).  */
  73
  74 #undef  DBX_CONTIN_CHAR
  75 #define DBX_CONTIN_CHAR '?'
  76
  77 /* Don't default to pcc-struct-return, we want to retain compatibility with
  78    older FreeBSD releases AND pcc-struct-return may not be reentrant.  */
  79
  80 #undef  DEFAULT_PCC_STRUCT_RETURN
  81 #define DEFAULT_PCC_STRUCT_RETURN 0