gcc/config/darwin9.h

   1 /* Target definitions for Darwin (Mac OS X) systems.
   2    Copyright (C) 2006, 2007, 2010 Free Software Foundation, Inc.
   3    Contributed by Apple 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 /* Prefer DWARF2.  */
  22 #undef PREFERRED_DEBUGGING_TYPE
  23 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  24 #define DARWIN_PREFER_DWARF
  25
  26 /* Since DWARF2 is default, conditions for running dsymutil are different.  */
  27 #undef LINK_COMMAND_SPEC
  28 #define LINK_COMMAND_SPEC "\
  29 %{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
  30     %(linker) %l %X %{d} %{s} %{t} %{Z} \
  31     %{A} %{e*} %{m} %{r} %{x} \
  32     %{o*}%{!o:-o a.out} \
  33     %{!A:%{!nostdlib:%{!nostartfiles:%S}}} \
  34     %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} \
  35     %{flto} %{fwhopr} \
  36     %{fopenmp|ftree-parallelize-loops=*: \
  37       %{static|static-libgcc|static-libstdc++|static-libgfortran: libgomp.a%s; : -lgomp } } \
  38     %{!nostdlib:%{!nodefaultlibs:  %(link_ssp) %G %L }} \
  39     %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}\n\
  40 %{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
  41     %{.c|.cc|.C|.cpp|.cp|.c++|.cxx|.CPP|.m|.mm: \
  42     %{g*:%{!gstabs*:%{!g0: dsymutil %{o*:%*}%{!o:a.out}}}}}}}}}}}}"
  43
  44 /* libSystem contains unwind information for signal frames.  */
  45 #define DARWIN_LIBSYSTEM_HAS_UNWIND
  46
  47 /* The linker can generate branch islands.  */
  48 #define DARWIN_LINKER_GENERATES_ISLANDS 1
  49
  50 #undef  ASM_OUTPUT_ALIGNED_COMMON
  51 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
  52   do {                                                                  \
  53     unsigned HOST_WIDE_INT _new_size = (SIZE);                          \
  54     fprintf ((FILE), "\t.comm ");                                               \
  55     assemble_name ((FILE), (NAME));                                     \
  56     if (_new_size == 0) _new_size = 1;                                  \
  57     fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",            \
  58              _new_size, floor_log2 ((ALIGN) / BITS_PER_UNIT));          \
  59   } while (0)