1 /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware 2 Copyright (C) 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 22 02110-1301, 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_POSIX_IO 36 37 #undef SIZE_TYPE 38 #define SIZE_TYPE ("long unsigned int") 39 #undef PTRDIFF_TYPE 40 #define PTRDIFF_TYPE ("long int") 41 #undef WCHAR_TYPE 42 #define WCHAR_TYPE "int" 43 #undef WCHAR_TYPE_SIZE 44 #define WCHAR_TYPE_SIZE 32 45 46 47 /* Basic record keeping for the TPF OS name. */ 48 #undef TARGET_VERSION 49 #define TARGET_VERSION fprintf (stderr, " (TPF: zSeries)"); 50 51 /* TPF OS specific stack-pointer offset. */ 52 #undef STACK_POINTER_OFFSET 53 #define STACK_POINTER_OFFSET 448 54 55 /* When building for TPF, set a generic default target that is 64 bits. Also 56 enable TPF profiling support and the standard backchain by default. */ 57 #undef TARGET_DEFAULT 58 #define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \ 59 | MASK_HARD_FLOAT | MASK_BACKCHAIN) 60 61 /* Exception handling. */ 62 63 /* Select a format to encode pointers in exception handling data. */ 64 #undef ASM_PREFERRED_EH_DATA_FORMAT 65 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr 66 67 /* TPF OS specific compiler settings. */ 68 #undef TARGET_OS_CPP_BUILTINS 69 #define TARGET_OS_CPP_BUILTINS() \ 70 do \ 71 { \ 72 builtin_define_std ("tpf"); \ 73 builtin_assert ("system=tpf"); \ 74 builtin_define ("__ELF__"); \ 75 } \ 76 while (0) 77 78 79 #define EXTRA_SPECS \ 80 { "entry_spec", ENTRY_SPEC } 81 82 /* Make TPF specific spec file settings here. */ 83 84 #undef STARTFILE_SPEC 85 #define STARTFILE_SPEC \ 86 "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s" 87 88 #undef ENDFILE_SPEC 89 #define ENDFILE_SPEC "crtendS%O%s" 90 91 #undef CC1_SPEC 92 #define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}" 93 94 /* The GNU C++ standard library requires that these macros be defined. */ 95 #undef CPLUSPLUS_CPP_SPEC 96 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 97 98 #undef ASM_SPEC 99 #define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*} \ 100 -alshd=%b.lst" 101 102 /* It would be nice to get the system linker script define the ones that it 103 needed. */ 104 #undef LIB_SPEC 105 #define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \ 106 -lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB" 107 108 #undef TARGET_C99_FUNCTIONS 109 #define TARGET_C99_FUNCTIONS 1 110 111 #define ENTRY_SPEC "%{mmain:-entry=_start} \ 112 %{!mmain:-entry=0}" 113 114 /* All linking is done shared on TPF-OS. */ 115 /* FIXME: When binutils patch for new emulation is committed 116 then change emulation to elf64_s390_tpf. */ 117 #undef LINK_SPEC 118 #define LINK_SPEC \ 119 "-m elf64_s390 \ 120 %{static:%estatic is not supported on TPF-OS} \ 121 %{shared: -shared} \ 122 %{!shared:-shared} \ 123 %(entry_spec)" 124 125 #define MD_UNWIND_SUPPORT "config/s390/tpf-unwind.h" 126 127 /* IBM copies these libraries over with these names. */ 128 #define MATH_LIBRARY "-lCLBM" 129 #define LIBSTDCXX "-lCPP1" 130 #endif /* ! _TPF_H */ 131