Mercurial > hg > CbC > CbC_gcc
diff gcc/config/s390/linux.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | f6334be47118 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/s390/linux.h Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,105 @@ +/* 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