gcc/config/alpha/freebsd.h

   1 /* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
   2    Copyright (C) 2000, 2002, 2004, 2005 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 2, 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 COPYING.  If not, write to
  19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 #undef  SUBTARGET_EXTRA_SPECS
  24 #define SUBTARGET_EXTRA_SPECS \
  25   { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
  26
  27 /* Provide a CPP_SPEC appropriate for FreeBSD/alpha.  Besides the
  28    dealing with the GCC option `-posix', we must deal with the Alpha's
  29    FP issues.  */
  30
  31 #undef  CPP_SPEC
  32 #define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
  33
  34 #define LINK_SPEC "%{G*} %{relax:-relax}                                \
  35   %{p:%nconsider using `-pg' instead of `-p' with gprof(1)}             \
  36   %{Wl,*:%*}                                                            \
  37   %{assert*} %{R*} %{rpath*} %{defsym*}                                 \
  38   %{shared:-Bshareable %{h*} %{soname*}}                                \
  39   %{!shared:                                                            \
  40     %{!static:                                                          \
  41       %{rdynamic:-export-dynamic}                                       \
  42       %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }}       \
  43     %{static:-Bstatic}}                                                 \
  44   %{symbolic:-Bsymbolic}"
  45
  46
  47 /************************[  Target stuff  ]***********************************/
  48
  49 /* Define the actual types of some ANSI-mandated types.
  50    Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,
  51    c-common.c, and config/<arch>/<arch>.h.  */
  52
  53 /* alpha.h gets this wrong for FreeBSD.  We use the GCC defaults instead.  */
  54 #undef WCHAR_TYPE
  55
  56 #undef  WCHAR_TYPE_SIZE
  57 #define WCHAR_TYPE_SIZE 32
  58
  59 #undef  TARGET_VERSION
  60 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)");
  61
  62 #define TARGET_ELF      1
  63
  64 #undef  TARGET_DEFAULT
  65 #define TARGET_DEFAULT  (MASK_FPREGS | MASK_GAS)
  66
  67 #undef HAS_INIT_SECTION
  68
  69 /* Show that we need a GP when profiling.  */
  70 #undef  TARGET_PROFILING_NEEDS_GP
  71 #define TARGET_PROFILING_NEEDS_GP 1
  72
  73 /* This is the char to use for continuation (in case we need to turn
  74    continuation back on).  */
  75
  76 #undef  DBX_CONTIN_CHAR
  77 #define DBX_CONTIN_CHAR '?'
  78
  79 /* Don't default to pcc-struct-return, we want to retain compatibility with
  80    older FreeBSD releases AND pcc-struct-return may not be reentrant.  */
  81
  82 #undef  DEFAULT_PCC_STRUCT_RETURN
  83 #define DEFAULT_PCC_STRUCT_RETURN 0