| 1 |
38 |
julius |
/* Definitions for Linux for S/390.
|
| 2 |
|
|
Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
Contributed by Hartmut Penner (hpenner@de.ibm.com) and
|
| 5 |
|
|
Ulrich Weigand (uweigand@de.ibm.com).
|
| 6 |
|
|
|
| 7 |
|
|
This file is part of GCC.
|
| 8 |
|
|
|
| 9 |
|
|
GCC is free software; you can redistribute it and/or modify it under
|
| 10 |
|
|
the terms of the GNU General Public License as published by the Free
|
| 11 |
|
|
Software Foundation; either version 3, or (at your option) any later
|
| 12 |
|
|
version.
|
| 13 |
|
|
|
| 14 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
| 15 |
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 16 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 17 |
|
|
for more details.
|
| 18 |
|
|
|
| 19 |
|
|
You should have received a copy of the GNU General Public License
|
| 20 |
|
|
along with GCC; see the file COPYING3. If not see
|
| 21 |
|
|
<http://www.gnu.org/licenses/>. */
|
| 22 |
|
|
|
| 23 |
|
|
#ifndef _LINUX_H
|
| 24 |
|
|
#define _LINUX_H
|
| 25 |
|
|
|
| 26 |
|
|
/* Target specific version string. */
|
| 27 |
|
|
|
| 28 |
|
|
#ifdef DEFAULT_TARGET_64BIT
|
| 29 |
|
|
#undef TARGET_VERSION
|
| 30 |
|
|
#define TARGET_VERSION fprintf (stderr, " (Linux for zSeries)");
|
| 31 |
|
|
#else
|
| 32 |
|
|
#undef TARGET_VERSION
|
| 33 |
|
|
#define TARGET_VERSION fprintf (stderr, " (Linux for S/390)");
|
| 34 |
|
|
#endif
|
| 35 |
|
|
|
| 36 |
|
|
|
| 37 |
|
|
/* Target specific type definitions. */
|
| 38 |
|
|
|
| 39 |
|
|
/* ??? Do we really want long as size_t on 31-bit? */
|
| 40 |
|
|
#undef SIZE_TYPE
|
| 41 |
|
|
#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int")
|
| 42 |
|
|
#undef PTRDIFF_TYPE
|
| 43 |
|
|
#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
|
| 44 |
|
|
|
| 45 |
|
|
#undef WCHAR_TYPE
|
| 46 |
|
|
#define WCHAR_TYPE "int"
|
| 47 |
|
|
#undef WCHAR_TYPE_SIZE
|
| 48 |
|
|
#define WCHAR_TYPE_SIZE 32
|
| 49 |
|
|
|
| 50 |
|
|
|
| 51 |
|
|
/* Target specific preprocessor settings. */
|
| 52 |
|
|
|
| 53 |
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
| 54 |
|
|
do \
|
| 55 |
|
|
{ \
|
| 56 |
|
|
LINUX_TARGET_OS_CPP_BUILTINS(); \
|
| 57 |
|
|
} \
|
| 58 |
|
|
while (0)
|
| 59 |
|
|
|
| 60 |
|
|
|
| 61 |
|
|
/* Target specific assembler settings. */
|
| 62 |
|
|
|
| 63 |
|
|
#undef ASM_SPEC
|
| 64 |
|
|
#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}"
|
| 65 |
|
|
|
| 66 |
|
|
|
| 67 |
|
|
/* Target specific linker settings. */
|
| 68 |
|
|
|
| 69 |
|
|
#ifdef DEFAULT_TARGET_64BIT
|
| 70 |
|
|
#define MULTILIB_DEFAULTS { "m64" }
|
| 71 |
|
|
#else
|
| 72 |
|
|
#define MULTILIB_DEFAULTS { "m31" }
|
| 73 |
|
|
#endif
|
| 74 |
|
|
|
| 75 |
|
|
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
|
| 76 |
|
|
#define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
|
| 77 |
|
|
|
| 78 |
|
|
#undef LINK_SPEC
|
| 79 |
|
|
#define LINK_SPEC \
|
| 80 |
|
|
"%{m31:-m elf_s390}%{m64:-m elf64_s390} \
|
| 81 |
|
|
%{shared:-shared} \
|
| 82 |
|
|
%{!shared: \
|
| 83 |
|
|
%{static:-static} \
|
| 84 |
|
|
%{!static: \
|
| 85 |
|
|
%{rdynamic:-export-dynamic} \
|
| 86 |
|
|
%{!dynamic-linker: \
|
| 87 |
|
|
%{m31:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \
|
| 88 |
|
|
%{m64:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}}"
|
| 89 |
|
|
|
| 90 |
|
|
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
| 91 |
|
|
|
| 92 |
|
|
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
|
| 93 |
|
|
|
| 94 |
|
|
#define MD_UNWIND_SUPPORT "config/s390/linux-unwind.h"
|
| 95 |
|
|
|
| 96 |
|
|
#ifdef TARGET_LIBC_PROVIDES_SSP
|
| 97 |
|
|
/* s390 glibc provides __stack_chk_guard in 0x14(tp),
|
| 98 |
|
|
s390x glibc provides it at 0x28(tp). */
|
| 99 |
|
|
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
|
| 100 |
|
|
#endif
|
| 101 |
|
|
|
| 102 |
|
|
/* Define if long doubles should be mangled as 'g'. */
|
| 103 |
|
|
#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
|
| 104 |
|
|
|
| 105 |
|
|
#endif
|
