Imported from mainline FSF repositories

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94600 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 113 insertions, 0 deletions

diff --git a/gcc/config/i370/linux.h b/gcc/config/i370/linux.h
new file mode 100644
index 00000000000..f402fbde9f3
--- /dev/null
+++ b/gcc/config/i370/linux.h
@@ -0,0 +1,113 @@
+/* Definitions of target machine for GNU compiler.  System/370 version.
+   Copyright (C) 1989, 1993, 1995, 1996, 1997, 2003
+   Free Software Foundation, Inc.
+   Contributed by Jan Stein (jan@cd.chalmers.se).
+   Modified for Linux/390 by Linas Vepstas (linas@linas.org)
+
+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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#define TARGET_VERSION fprintf (stderr, " (i370 GNU/Linux with ELF)");
+
+/* Specify that we're generating code for a Linux port to 370 */
+
+#define TARGET_ELF_ABI
+
+/* Target OS preprocessor built-ins.  */
+#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
+
+/* Options for this target machine.  */
+
+#define LIBGCC_SPEC "libgcc.a%s"
+
+#ifdef SOME_FUTURE_DAY
+ 
+#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_sysv) %(cpp_endian_big) \
+%{mcall-linux: %(cpp_os_linux) } \
+%{!mcall-linux: %(cpp_os_default) }"
+
+#define LIB_SPEC "\
+%{mcall-linux: %(lib_linux) } \
+%{!mcall-linux:%(lib_default) }"
+
+#define STARTFILE_SPEC "\
+%{mcall-linux: %(startfile_linux) } \
+%{!mcall-linux: %(startfile_default) }"
+
+#define ENDFILE_SPEC "\
+%{mcall-linux: %(endfile_linux) } \
+%{!mcall-linux: %(endfile_default) }"
+
+/* GNU/Linux support.  */
+#ifndef LIB_LINUX_SPEC
+#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } %{!mnewlib: -lc }"
+#endif
+
+#ifndef STARTFILE_LINUX_SPEC
+#define STARTFILE_LINUX_SPEC "\
+%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
+%{mnewlib: ecrti.o%s} \
+%{!mnewlib: crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
+#endif
+
+#ifndef ENDFILE_LINUX_SPEC
+#define ENDFILE_LINUX_SPEC "\
+%{mnewlib: ecrtn.o%s} \
+%{!mnewlib: %{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s}"
+#endif
+
+#ifndef LINK_START_LINUX_SPEC
+#define LINK_START_LINUX_SPEC "-Ttext 0x10000"
+#endif
+
+#ifndef LINK_OS_LINUX_SPEC
+#define LINK_OS_LINUX_SPEC ""
+#endif
+
+#ifndef CPP_OS_LINUX_SPEC
+#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
+%{!ansi: -Dunix -Dlinux } \
+-Asystem=unix -Asystem=linux"
+#endif
+
+#ifndef CPP_OS_LINUX_SPEC
+#define CPP_OS_LINUX_SPEC ""
+#endif
+
+
+/* Define any extra SPECS that the compiler needs to generate.  */
+#undef  SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                                           \
+  { "lib_linux",                LIB_LINUX_SPEC },                       \
+  { "lib_default",              LIB_DEFAULT_SPEC },                     \
+  { "startfile_linux",          STARTFILE_LINUX_SPEC },                 \
+  { "startfile_default",        STARTFILE_DEFAULT_SPEC },               \
+  { "endfile_linux",            ENDFILE_LINUX_SPEC },                   \
+  { "endfile_default",          ENDFILE_DEFAULT_SPEC },                 \
+  { "link_shlib",               LINK_SHLIB_SPEC },                      \
+  { "link_target",              LINK_TARGET_SPEC },                     \
+  { "link_start",               LINK_START_SPEC },                      \
+  { "link_start_linux",         LINK_START_LINUX_SPEC },                \
+  { "link_os",                  LINK_OS_SPEC },                         \
+  { "link_os_linux",            LINK_OS_LINUX_SPEC },                   \
+  { "link_os_default",          LINK_OS_DEFAULT_SPEC },                 \
+  { "cpp_endian_big",           CPP_ENDIAN_BIG_SPEC },                  \
+  { "cpp_os_linux",             CPP_OS_LINUX_SPEC },                    \
+  { "cpp_os_default",           CPP_OS_DEFAULT_SPEC },
+
+#endif /* SOME_FUTURE_DAY */