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/* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware

   Copyright (C) 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301, 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_POSIX_IO

#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_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \

                        | MASK_HARD_FLOAT | 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)

#define EXTRA_SPECS                             \

  { "entry_spec", ENTRY_SPEC }

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

#undef STARTFILE_SPEC

#define STARTFILE_SPEC \

  "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s"

#undef ENDFILE_SPEC

#define ENDFILE_SPEC "crtendS%O%s"

#undef CC1_SPEC

#define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}"

/* 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=*} \

                  -alshd=%b.lst"

/* It would be nice to get the system linker script define the ones that it

   needed.  */

#undef LIB_SPEC

#define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \

                  -lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB"

#undef TARGET_C99_FUNCTIONS

#define TARGET_C99_FUNCTIONS 1

#define ENTRY_SPEC "%{mmain:-entry=_start} \

                    %{!mmain:-entry=0}"

/* All linking is done shared on TPF-OS.  */

/* FIXME: When binutils patch for new emulation is committed

   then change emulation to elf64_s390_tpf.  */

#undef LINK_SPEC

#define LINK_SPEC \

  "-m elf64_s390 \

   %{static:%estatic is not supported on TPF-OS} \

   %{shared: -shared} \

   %{!shared:-shared} \

   %(entry_spec)"

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

/* IBM copies these libraries over with these names.  */

#define MATH_LIBRARY "-lCLBM"

#define LIBSTDCXX "-lCPP1"

#endif /* ! _TPF_H */