gcc/config/s390/tpf.h

   1 /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware
   2    Copyright (C) 2003, 2004, 2005, 2007 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 3, 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 COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef _TPF_H
  24 #define _TPF_H
  25
  26 /* TPF wants the following macros defined/undefined as follows.  */
  27 #undef TARGET_TPF
  28 #define TARGET_TPF 1
  29 #undef ASM_APP_ON
  30 #define ASM_APP_ON "#APP\n"
  31 #undef ASM_APP_OFF
  32 #define ASM_APP_OFF "#NO_APP\n"
  33 #define NO_IMPLICIT_EXTERN_C
  34 #define TARGET_POSIX_IO
  35
  36 #undef  SIZE_TYPE
  37 #define SIZE_TYPE ("long unsigned int")
  38 #undef  PTRDIFF_TYPE
  39 #define PTRDIFF_TYPE ("long int")
  40 #undef  WCHAR_TYPE
  41 #define WCHAR_TYPE "int"
  42 #undef  WCHAR_TYPE_SIZE
  43 #define WCHAR_TYPE_SIZE 32
  44
  45
  46 /* Basic record keeping for the TPF OS name.  */
  47 #undef  TARGET_VERSION
  48 #define TARGET_VERSION fprintf (stderr, " (TPF: zSeries)");
  49
  50 /* TPF OS specific stack-pointer offset.  */
  51 #undef STACK_POINTER_OFFSET
  52 #define STACK_POINTER_OFFSET            448
  53
  54 /* When building for TPF, set a generic default target that is 64 bits. Also
  55    enable TPF profiling support and the standard backchain by default.  */
  56 #undef TARGET_DEFAULT
  57 #define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \
  58                         | MASK_HARD_DFP | MASK_BACKCHAIN)
  59
  60 /* Exception handling.  */
  61
  62 /* Select a format to encode pointers in exception handling data.  */
  63 #undef ASM_PREFERRED_EH_DATA_FORMAT
  64 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr
  65
  66 /* TPF OS specific compiler settings.  */
  67 #undef TARGET_OS_CPP_BUILTINS
  68 #define TARGET_OS_CPP_BUILTINS()                \
  69   do                                            \
  70     {                                           \
  71       builtin_define_std ("tpf");               \
  72       builtin_assert ("system=tpf");            \
  73       builtin_define ("__ELF__");               \
  74     }                                           \
  75   while (0)
  76
  77
  78 #define EXTRA_SPECS                             \
  79   { "entry_spec", ENTRY_SPEC }
  80
  81 /* Make TPF specific spec file settings here.  */
  82
  83 #undef STARTFILE_SPEC
  84 #define STARTFILE_SPEC \
  85   "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s"
  86
  87 #undef ENDFILE_SPEC
  88 #define ENDFILE_SPEC "crtendS%O%s"
  89
  90 #undef CC1_SPEC
  91 #define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}"
  92
  93 /* The GNU C++ standard library requires that these macros be defined.  */
  94 #undef CPLUSPLUS_CPP_SPEC
  95 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
  96
  97 #undef ASM_SPEC
  98 #define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*} \
  99                   -alshd=%b.lst"
 100
 101 /* It would be nice to get the system linker script define the ones that it
 102    needed.  */
 103 #undef LIB_SPEC
 104 #define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \
 105                   -lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB"
 106
 107 #undef TARGET_C99_FUNCTIONS
 108 #define TARGET_C99_FUNCTIONS 1
 109
 110 #define ENTRY_SPEC "%{mmain:-entry=_start} \
 111                     %{!mmain:-entry=0}"
 112
 113 /* All linking is done shared on TPF-OS.  */
 114 /* FIXME: When binutils patch for new emulation is committed
 115    then change emulation to elf64_s390_tpf.  */
 116 #undef LINK_SPEC
 117 #define LINK_SPEC \
 118   "-m elf64_s390 \
 119    %{static:%estatic is not supported on TPF-OS} \
 120    %{shared: -shared} \
 121    %{!shared:-shared} \
 122    %(entry_spec)"
 123
 124 #define MD_UNWIND_SUPPORT "config/s390/tpf-unwind.h"
 125
 126 /* IBM copies these libraries over with these names.  */
 127 #define MATH_LIBRARY "-lCLBM"
 128 #define LIBSTDCXX "-lCPP1"
 129 #endif /* ! _TPF_H */