gcc/config/s390/tpf.h

   1 /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware
   2    Copyright (C) 2003, 2004 Free Software Foundation, Inc.
   3    Contributed by P.J. Darcy (darcypj@us.ibm.com),
   4                   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 2, 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 COPYING.  If not, write to the Free
  21 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  22 02111-1307, USA.  */
  23
  24 #ifndef _TPF_H
  25 #define _TPF_H
  26
  27 /* TPF wants the following macros defined/undefined as follows.  */
  28 #undef TARGET_TPF
  29 #define TARGET_TPF 1
  30 #undef ASM_APP_ON
  31 #define ASM_APP_ON "#APP\n"
  32 #undef ASM_APP_OFF
  33 #define ASM_APP_OFF "#NO_APP\n"
  34 #define NO_IMPLICIT_EXTERN_C
  35 #define TARGET_HAS_F_SETLKW
  36 #undef MD_EXEC_PREFIX
  37 #undef MD_STARTFILE_PREFIX
  38
  39 #undef  SIZE_TYPE
  40 #define SIZE_TYPE ("long unsigned int")
  41 #undef  PTRDIFF_TYPE
  42 #define PTRDIFF_TYPE ("long int")
  43 #undef  WCHAR_TYPE
  44 #define WCHAR_TYPE "int"
  45 #undef  WCHAR_TYPE_SIZE
  46 #define WCHAR_TYPE_SIZE 32
  47
  48
  49 /* Basic record keeping for the TPF OS name.  */
  50 #undef  TARGET_VERSION
  51 #define TARGET_VERSION fprintf (stderr, " (TPF: zSeries)");
  52
  53 /* TPF OS specific stack-pointer offset.  */
  54 #undef STACK_POINTER_OFFSET
  55 #define STACK_POINTER_OFFSET            448
  56
  57 /* When building for TPF, set a generic default target that is 64 bits.
  58    Also, enable TPF profiling support and the standard backchain by default.  */
  59 #undef TARGET_DEFAULT
  60 #define TARGET_DEFAULT          (MASK_64BIT | MASK_ZARCH | MASK_HARD_FLOAT \
  61                                  | MASK_TPF_PROFILING | MASK_BACKCHAIN)
  62 /* Exception handling.  */
  63
  64 /* Select a format to encode pointers in exception handling data.  */
  65 #undef ASM_PREFERRED_EH_DATA_FORMAT
  66 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr
  67
  68 /* TPF OS specific compiler settings.  */
  69 #undef TARGET_OS_CPP_BUILTINS
  70 #define TARGET_OS_CPP_BUILTINS()                \
  71   do                                            \
  72     {                                           \
  73       builtin_define_std ("tpf");               \
  74       builtin_assert ("system=tpf");            \
  75       builtin_define ("__ELF__");               \
  76       if (flag_pic)                             \
  77         {                                       \
  78           builtin_define ("__PIC__");           \
  79           builtin_define ("__pic__");           \
  80         }                                       \
  81     }                                           \
  82   while (0)
  83
  84
  85 /* Make TPF specific spec file settings here.  */
  86
  87 #undef  STARTFILE_SPEC
  88 #define STARTFILE_SPEC \
  89   "%{!shared: \
  90      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
  91                        %{!p:%{profile:gcrt1.o%s} \
  92                          %{!profile:crt1.o%s}}}} \
  93    crti.o%s %{static:crtbeginT.o%s} \
  94    %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
  95
  96 #undef  ENDFILE_SPEC
  97 #define ENDFILE_SPEC \
  98   "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
  99
 100 /* The GNU C++ standard library requires that these macros be defined.  */
 101 #undef CPLUSPLUS_CPP_SPEC
 102 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
 103
 104 #undef  LIB_SPEC
 105 #define LIB_SPEC "%{pthread:-lpthread} -lc"
 106
 107 #undef TARGET_C99_FUNCTIONS
 108 #define TARGET_C99_FUNCTIONS 1
 109
 110 #undef LINK_SPEC
 111 #define LINK_SPEC \
 112   "-m elf64_s390 \
 113    %{shared:-shared} \
 114    %{!shared: \
 115       %{static:-static} \
 116       %{!static: \
 117         %{rdynamic:-export-dynamic} \
 118         %{!dynamic-linker:-dynamic-linker /lib/ld64.so}}}"
 119
 120 #define MD_UNWIND_SUPPORT "config/s390/tpf-unwind.h"
 121
 122 #endif /* ! _TPF_H */
 123