gcc/config/xtensa/linux.h

   1 /* Xtensa Linux configuration.
   2    Derived from the configuration for GCC for Intel i386 running Linux.
   3    Copyright (C) 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 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 #define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
  22
  23 #undef SUBTARGET_CPP_SPEC
  24 #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  25
  26 #undef TARGET_VERSION
  27 #define TARGET_VERSION fputs (" (Xtensa GNU/Linux with ELF)", stderr);
  28
  29 #undef WCHAR_TYPE
  30 #define WCHAR_TYPE "long int"
  31
  32 #undef WCHAR_TYPE_SIZE
  33 #define WCHAR_TYPE_SIZE 32
  34
  35 #undef ASM_SPEC
  36 #define ASM_SPEC \
  37  "%{v} \
  38   %{mtext-section-literals:--text-section-literals} \
  39   %{mno-text-section-literals:--no-text-section-literals} \
  40   %{mtarget-align:--target-align} \
  41   %{mno-target-align:--no-target-align} \
  42   %{mlongcalls:--longcalls} \
  43   %{mno-longcalls:--no-longcalls}"
  44
  45 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  46
  47 #undef LINK_SPEC
  48 #define LINK_SPEC \
  49  "%{shared:-shared} \
  50   %{!shared: \
  51     %{!ibcs: \
  52       %{!static: \
  53         %{rdynamic:-export-dynamic} \
  54         %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
  55       %{static:-static}}}"
  56
  57 #undef LOCAL_LABEL_PREFIX
  58 #define LOCAL_LABEL_PREFIX      "."
  59
  60 /* Always enable "-fpic" for Xtensa Linux.  */
  61 #define XTENSA_ALWAYS_PIC 1