| /* 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 |