1 /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware 2 Copyright (C) 2003-2015 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 /* TPF OS specific stack-pointer offset. */ 47 #undef STACK_POINTER_OFFSET 48 #define STACK_POINTER_OFFSET 448 49 50 /* When building for TPF, set a generic default target that is 64 bits. Also 51 enable TPF profiling support and the standard backchain by default. */ 52 #undef TARGET_DEFAULT 53 #define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \ 54 | MASK_HARD_DFP | MASK_BACKCHAIN) 55 56 /* Exception handling. */ 57 58 /* Select a format to encode pointers in exception handling data. */ 59 #undef ASM_PREFERRED_EH_DATA_FORMAT 60 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr 61 62 /* TPF OS specific compiler settings. */ 63 #undef TARGET_OS_CPP_BUILTINS 64 #define TARGET_OS_CPP_BUILTINS() \ 65 do \ 66 { \ 67 builtin_define_std ("tpf"); \ 68 builtin_assert ("system=tpf"); \ 69 builtin_define ("__ELF__"); \ 70 } \ 71 while (0) 72 73 74 #define EXTRA_SPECS \ 75 { "entry_spec", ENTRY_SPEC } 76 77 /* Make TPF specific spec file settings here. */ 78 79 #undef STARTFILE_SPEC 80 #define STARTFILE_SPEC \ 81 "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s" 82 83 #undef ENDFILE_SPEC 84 #define ENDFILE_SPEC "crtendS%O%s" 85 86 #undef CC1_SPEC 87 #define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}" 88 89 /* The GNU C++ standard library requires that these macros be defined. */ 90 #undef CPLUSPLUS_CPP_SPEC 91 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 92 93 #undef ASM_SPEC 94 #define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*} \ 95 -alshd=%b.lst" 96 97 #define ENTRY_SPEC "%{mmain:-entry=_start} \ 98 %{!mmain:-entry=0}" 99 100 /* All linking is done shared on TPF-OS. */ 101 /* FIXME: When binutils patch for new emulation is committed 102 then change emulation to elf64_s390_tpf. */ 103 #undef LINK_SPEC 104 #define LINK_SPEC \ 105 "-m elf64_s390 \ 106 %{static:%estatic is not supported on TPF-OS} \ 107 %{shared: -shared} \ 108 %{!shared:-shared} \ 109 %(entry_spec)" 110 111 /* IBM copies these libraries over with these names. */ 112 #define MATH_LIBRARY "CLBM" 113 #define LIBSTDCXX "CPP2" 114 115 #undef TARGET_LIBC_HAS_FUNCTION 116 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function 117 118 #endif /* ! _TPF_H */ 119