| Current Path : /usr/src/contrib/gcc/config/s390/ |
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| Current File : //usr/src/contrib/gcc/config/s390/linux.h |
/* Definitions for Linux for S/390.
Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006
Free Software Foundation, Inc.
Contributed by Hartmut Penner (hpenner@de.ibm.com) and
Ulrich Weigand (uweigand@de.ibm.com).
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef _LINUX_H
#define _LINUX_H
/* Target specific version string. */
#ifdef DEFAULT_TARGET_64BIT
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (Linux for zSeries)");
#else
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (Linux for S/390)");
#endif
/* Target specific type definitions. */
/* ??? Do we really want long as size_t on 31-bit? */
#undef SIZE_TYPE
#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int")
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Target specific preprocessor settings. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
LINUX_TARGET_OS_CPP_BUILTINS(); \
} \
while (0)
/* Target specific assembler settings. */
#undef ASM_SPEC
#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}"
/* Target specific linker settings. */
#ifdef DEFAULT_TARGET_64BIT
#define MULTILIB_DEFAULTS { "m64" }
#else
#define MULTILIB_DEFAULTS { "m31" }
#endif
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
#define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
#undef LINK_SPEC
#define LINK_SPEC \
"%{m31:-m elf_s390}%{m64:-m elf64_s390} \
%{shared:-shared} \
%{!shared: \
%{static:-static} \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker: \
%{m31:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \
%{m64:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}}"
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
#define MD_UNWIND_SUPPORT "config/s390/linux-unwind.h"
#ifdef TARGET_LIBC_PROVIDES_SSP
/* s390 glibc provides __stack_chk_guard in 0x14(tp),
s390x glibc provides it at 0x28(tp). */
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
#endif
/* Define if long doubles should be mangled as 'g'. */
#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
#endif