gcc/config/i386/darwin64.h

   1 /* Target definitions for x86_64 running Darwin.
   2    Copyright (C) 2006-2017 Free Software Foundation, Inc.
   3    Contributed by Apple Computer Inc.
   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 #undef  DARWIN_ARCH_SPEC
  22 #define DARWIN_ARCH_SPEC "%{m32:i386;:x86_64}"
  23
  24 /* WORKAROUND pr80556:
  25    For x86_64 Darwin10 and later, the unwinder is in libunwind (redirected
  26    from libSystem).  This doesn't use the keymgr (see keymgr.c) and therefore
  27    the calls that libgcc makes to obtain the KEYMGR_GCC3_DW2_OBJ_LIST are not
  28    updated to include new images, and might not even be valid for a single
  29    image.
  30    Therefore, for 64b exes at least, we must use the libunwind implementation,
  31    even when static-libgcc is specified.  We put libSystem first so that
  32    unwinder symbols are satisfied from there. */
  33 #undef REAL_LIBGCC_SPEC
  34 #define REAL_LIBGCC_SPEC                                                   \
  35    "%{static-libgcc|static:                                                \
  36       %{!m32:%:version-compare(>= 10.6 mmacosx-version-min= -lSystem)}     \
  37         -lgcc_eh -lgcc;                                                    \
  38       shared-libgcc|fexceptions|fgnu-runtime:                              \
  39        %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_s.10.4)        \
  40        %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5)   \
  41        %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4)      \
  42        %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5)      \
  43        -lgcc ;                                                             \
  44       :%:version-compare(>< 10.3.9 10.5 mmacosx-version-min= -lgcc_s.10.4) \
  45        %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5)   \
  46        %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4)      \
  47        %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5)      \
  48        -lgcc }"
  49
  50 #undef  DARWIN_SUBARCH_SPEC
  51 #define DARWIN_SUBARCH_SPEC DARWIN_ARCH_SPEC
  52
  53 #undef SUBTARGET_EXTRA_SPECS
  54 #define SUBTARGET_EXTRA_SPECS                                   \
  55   DARWIN_EXTRA_SPECS                                            \
  56   { "darwin_arch", DARWIN_ARCH_SPEC },                          \
  57   { "darwin_crt2", "" },                                        \
  58   { "darwin_subarch", DARWIN_SUBARCH_SPEC },