/* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware
   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
   Contributed by P.J. Darcy (darcypj@us.ibm.com),
                  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, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#ifndef _TPF_H
#define _TPF_H

/* TPF wants the following macros defined/undefined as follows.  */
#undef TARGET_TPF
#define TARGET_TPF 1
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
#define NO_IMPLICIT_EXTERN_C
#define TARGET_HAS_F_SETLKW
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX

#undef  SIZE_TYPE
#define SIZE_TYPE ("long unsigned int")
#undef  PTRDIFF_TYPE
#define PTRDIFF_TYPE ("long int")
#undef  WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef  WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32


/* Basic record keeping for the TPF OS name.  */
#undef  TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (TPF: zSeries)");

/* TPF OS specific stack-pointer offset.  */
#undef STACK_POINTER_OFFSET
#define STACK_POINTER_OFFSET 		448

/* When building for TPF, set a generic default target that is 64 bits.
   Also, enable TPF profiling support and the standard backchain by default.  */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT		(MASK_64BIT | MASK_ZARCH | MASK_HARD_FLOAT \
				 | MASK_TPF_PROFILING | MASK_BACKCHAIN)
/* Exception handling.  */

/* Select a format to encode pointers in exception handling data.  */
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr

/* TPF OS specific compiler settings.  */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()                \
  do                                            \
    {                                           \
      builtin_define_std ("tpf");               \
      builtin_assert ("system=tpf");            \
      builtin_define ("__ELF__");               \
      if (flag_pic)                             \
        {                                       \
          builtin_define ("__PIC__");           \
          builtin_define ("__pic__");           \
        }                                       \
    }                                           \
  while (0)


/* Make TPF specific spec file settings here.  */

#undef  STARTFILE_SPEC
#define STARTFILE_SPEC \
  "%{!shared: \
     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
                       %{!p:%{profile:gcrt1.o%s} \
                         %{!profile:crt1.o%s}}}} \
   crti.o%s %{static:crtbeginT.o%s} \
   %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"

#undef  ENDFILE_SPEC
#define ENDFILE_SPEC \
  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"

/* The GNU C++ standard library requires that these macros be defined.  */
#undef CPLUSPLUS_CPP_SPEC
#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"

#undef  ASM_SPEC
#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}"

#undef  LIB_SPEC
#define LIB_SPEC "%{pthread:-lpthread} -lc"

#undef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 1

#undef LINK_SPEC
#define LINK_SPEC \
  "-m elf64_s390 \
   %{shared:-shared} \
   %{!shared: \
      %{static:-static} \
      %{!static: \
        %{rdynamic:-export-dynamic} \
        %{!dynamic-linker:-dynamic-linker /lib/ld64.so}}}"

#define MD_UNWIND_SUPPORT "config/s390/tpf-unwind.h"

#endif /* ! _TPF_H */