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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [s390/] [linux.h] - Blame information for rev 816

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/* Definitions for Linux for S/390.
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   Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
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   Free Software Foundation, Inc.
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   Contributed by Hartmut Penner (hpenner@de.ibm.com) and
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                  Ulrich Weigand (uweigand@de.ibm.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#ifndef _LINUX_H
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#define _LINUX_H
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/* Target specific version string.  */
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#ifdef DEFAULT_TARGET_64BIT
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#undef  TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (Linux for zSeries)");
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#else
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#undef  TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (Linux for S/390)");
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#endif
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/* Target specific type definitions.  */
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/* ??? Do we really want long as size_t on 31-bit?  */
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#undef  SIZE_TYPE
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#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int")
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#undef  PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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#undef  WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef  WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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/* Target specific preprocessor settings.  */
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#define TARGET_OS_CPP_BUILTINS()                \
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  do                                            \
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    {                                           \
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      LINUX_TARGET_OS_CPP_BUILTINS();           \
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    }                                           \
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  while (0)
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/* Target specific assembler settings.  */
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#undef  ASM_SPEC
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#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}"
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/* Target specific linker settings.  */
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#ifdef DEFAULT_TARGET_64BIT
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#define MULTILIB_DEFAULTS { "m64" }
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#else
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#define MULTILIB_DEFAULTS { "m31" }
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#endif
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#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
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#define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
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#undef  LINK_SPEC
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#define LINK_SPEC \
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  "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
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   %{shared:-shared} \
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   %{!shared: \
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      %{static:-static} \
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      %{!static: \
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        %{rdynamic:-export-dynamic} \
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        %{!dynamic-linker: \
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          %{m31:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \
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          %{m64:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}}"
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#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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#define MD_UNWIND_SUPPORT "config/s390/linux-unwind.h"
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#ifdef TARGET_LIBC_PROVIDES_SSP
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/* s390 glibc provides __stack_chk_guard in 0x14(tp),
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   s390x glibc provides it at 0x28(tp).  */
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#define TARGET_THREAD_SSP_OFFSET        (TARGET_64BIT ? 0x28 : 0x14)
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#endif
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/* Define if long doubles should be mangled as 'g'.  */
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#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
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#endif

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