1 /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware 2 Copyright (C) 2003-2020 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 TARGET_POSIX_IO 34 35 #undef SIZE_TYPE 36 #define SIZE_TYPE ("long unsigned int") 37 #undef PTRDIFF_TYPE 38 #define PTRDIFF_TYPE ("long int") 39 #undef WCHAR_TYPE 40 #define WCHAR_TYPE "int" 41 #undef WCHAR_TYPE_SIZE 42 #define WCHAR_TYPE_SIZE 32 43 44 45 /* TPF OS specific stack-pointer offset. */ 46 #undef STACK_POINTER_OFFSET 47 #define STACK_POINTER_OFFSET 448 48 49 /* When building for TPF, set a generic default target that is 64 bits. Also 50 enable TPF profiling support and the standard backchain by default. */ 51 #undef TARGET_DEFAULT 52 #define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \ 53 | MASK_HARD_DFP | MASK_BACKCHAIN) 54 55 /* Exception handling. */ 56 57 /* Select a format to encode pointers in exception handling data. */ 58 #undef ASM_PREFERRED_EH_DATA_FORMAT 59 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr 60 61 /* TPF OS specific compiler settings. */ 62 #undef TARGET_OS_CPP_BUILTINS 63 #define TARGET_OS_CPP_BUILTINS() \ 64 do \ 65 { \ 66 builtin_define_std ("tpf"); \ 67 builtin_assert ("system=tpf"); \ 68 builtin_define ("__ELF__"); \ 69 } \ 70 while (0) 71 72 73 #define EXTRA_SPECS \ 74 { "entry_spec", ENTRY_SPEC } 75 76 /* Make TPF specific spec file settings here. */ 77 78 #undef STARTFILE_SPEC 79 #define STARTFILE_SPEC \ 80 "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s" 81 82 #undef ENDFILE_SPEC 83 #define ENDFILE_SPEC "crtendS%O%s" 84 85 #undef CC1_SPEC 86 #define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}" 87 88 /* The GNU C++ standard library requires that these macros be defined. */ 89 #undef CPLUSPLUS_CPP_SPEC 90 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 91 92 /* Rewrite -march=arch* options to the original CPU name in order to 93 make it work with older binutils. */ 94 #undef ASM_SPEC 95 #define ASM_SPEC \ 96 "%{m31&m64}%{mesa&mzarch}%{march=z*}" \ 97 "%{march=arch5:-march=z900}" \ 98 "%{march=arch6:-march=z990}" \ 99 "%{march=arch7:-march=z9-ec}" \ 100 "%{march=arch8:-march=z10}" \ 101 "%{march=arch9:-march=z196}" \ 102 "%{march=arch10:-march=zEC12}" \ 103 "%{march=arch11:-march=z13}" \ 104 " -alshd=%b.lst" 105 106 #undef LIB_SPEC 107 #define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \ 108 -lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB" 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 /* IBM copies these libraries over with these names. */ 125 #define MATH_LIBRARY "CLBM" 126 #define LIBSTDCXX "CPP1" 127 128 #undef TARGET_LIBC_HAS_FUNCTION 129 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function 130 131 /* GAS supports it, but the debuggers don't, so avoid it. */ 132 #define SUPPORTS_DISCRIMINATOR 0 133 134 /* z/TPF hardcoded values for the -mtpf-trace feature. */ 135 136 /* The *_CHECK value specify addresses in the lowcore whose byte 137 values can be used to turn on/off the tracing. */ 138 #define TPF_TRACE_PROLOGUE_CHECK 4065 139 #define TPF_TRACE_EPILOGUE_CHECK 4071 140 141 /* The target addresses for the z/TPF trace facility. */ 142 #define TPF_TRACE_PROLOGUE_TARGET 4064 143 #define TPF_TRACE_EPILOGUE_TARGET 4070 144 145 /* Alternate target addresses for the z/TPF trace facility. These 146 will be used with the -mtpf-trace-skip switch. */ 147 #define TPF_TRACE_PROLOGUE_SKIP_TARGET 4076 148 #define TPF_TRACE_EPILOGUE_SKIP_TARGET 4082 149 150 #endif /* ! _TPF_H */ 151