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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [s390/] [linux.h] - Rev 438
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/* Definitions for Linux for S/390. Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007 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 3, 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 COPYING3. If not see <http://www.gnu.org/licenses/>. */ #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
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