| /* Definitions of target machine for GNU compiler. System/370 version. |
| Copyright (C) 1989, 1993, 1995, 1996, 1997 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 GNU CC. |
| |
| GNU CC 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. |
| |
| GNU CC 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 GNU CC; 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 |
| #define LINUX_DEFAULT_ELF |
| |
| |
| /* hack alert define to get dbx/gdb/dwarf to compile */ |
| /* problem is that host float format is not target float format. */ |
| /* define REAL_ARITHMETIC for software emulation of float to |
| * int conversion. This seems to have somethings to do with |
| * cross-compiling ... */ |
| #define REAL_ARITHMETIC |
| |
| /* Include system common definitions */ |
| /* TODO: convert include to ${tm_file} list in config.gcc. */ |
| #include "i370/i370.h" |
| |
| /* Names to predefine in the preprocessor for this target machine. */ |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-DGCC -Dgcc -D__ELF__ -Dunix -Dlinux -Asystem=posix -Acpu=i370 -Amachine=i370" |
| |
| /* 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__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 */ |