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, 2008
   4    Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
  23
  24 #undef SUBTARGET_CPP_SPEC
  25 #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  26
  27 #undef TARGET_VERSION
  28 #define TARGET_VERSION fputs (" (Xtensa GNU/Linux with ELF)", stderr);
  29
  30 #undef WCHAR_TYPE
  31 #define WCHAR_TYPE "long int"
  32
  33 #undef WCHAR_TYPE_SIZE
  34 #define WCHAR_TYPE_SIZE 32
  35
  36 #undef ASM_SPEC
  37 #define ASM_SPEC \
  38  "%{v} \
  39   %{mtext-section-literals:--text-section-literals} \
  40   %{mno-text-section-literals:--no-text-section-literals} \
  41   %{mtarget-align:--target-align} \
  42   %{mno-target-align:--no-target-align} \
  43   %{mlongcalls:--longcalls} \
  44   %{mno-longcalls:--no-longcalls}"
  45
  46 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  47
  48 #undef LINK_SPEC
  49 #define LINK_SPEC \
  50  "%{shared:-shared} \
  51   %{!shared: \
  52     %{!ibcs: \
  53       %{!static: \
  54         %{rdynamic:-export-dynamic} \
  55         %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
  56       %{static:-static}}}"
  57
  58 #undef LOCAL_LABEL_PREFIX
  59 #define LOCAL_LABEL_PREFIX      "."
  60
  61 /* Always enable "-fpic" for Xtensa Linux.  */
  62 #define XTENSA_ALWAYS_PIC 1
  63
  64 #define MD_UNWIND_SUPPORT "config/xtensa/linux-unwind.h"
  65