| /* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware |
| Copyright (C) 2003-2022 Free Software Foundation, Inc. |
| Contributed by P.J. Darcy (darcypj@us.ibm.com), |
| Hartmut Penner (hpenner@de.ibm.com), and |
| Ulrich Weigand (uweigand@de.ibm.com). |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _TPF_H |
| #define _TPF_H |
| |
| /* TPF wants the following macros defined/undefined as follows. */ |
| #undef TARGET_TPF |
| #define TARGET_TPF 1 |
| #undef ASM_APP_ON |
| #define ASM_APP_ON "#APP\n" |
| #undef ASM_APP_OFF |
| #define ASM_APP_OFF "#NO_APP\n" |
| #define TARGET_POSIX_IO |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE ("long unsigned int") |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE ("long int") |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| |
| /* TPF OS specific stack-pointer offset. */ |
| #undef STACK_POINTER_OFFSET |
| #define STACK_POINTER_OFFSET 448 |
| |
| /* When building for TPF, set a generic default target that is 64 bits. Also |
| enable TPF profiling support and the standard backchain by default. */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_TPF_PROFILING | MASK_64BIT | MASK_ZARCH \ |
| | MASK_HARD_DFP | MASK_BACKCHAIN) |
| |
| /* Exception handling. */ |
| |
| /* Select a format to encode pointers in exception handling data. */ |
| #undef ASM_PREFERRED_EH_DATA_FORMAT |
| #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) DW_EH_PE_absptr |
| |
| /* TPF OS specific compiler settings. */ |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| builtin_define_std ("tpf"); \ |
| builtin_assert ("system=tpf"); \ |
| builtin_define ("__ELF__"); \ |
| } \ |
| while (0) |
| |
| |
| #define EXTRA_SPECS \ |
| { "entry_spec", ENTRY_SPEC } |
| |
| /* Make TPF specific spec file settings here. */ |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| "%{mmain:crt0%O%s} crtbeginS%O%s crt3%O%s" |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC "crtendS%O%s" |
| |
| #undef CC1_SPEC |
| #define CC1_SPEC "%{!fverbose-asm: -fverbose-asm}" |
| |
| /* The GNU C++ standard library requires that these macros be defined. */ |
| #undef CPLUSPLUS_CPP_SPEC |
| #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" |
| |
| /* Rewrite -march=arch* options to the original CPU name in order to |
| make it work with older binutils. */ |
| #undef ASM_SPEC |
| #define ASM_SPEC \ |
| "%{m31&m64}%{mesa&mzarch}%{march=z*}" \ |
| "%{march=arch5:-march=z900}" \ |
| "%{march=arch6:-march=z990}" \ |
| "%{march=arch7:-march=z9-ec}" \ |
| "%{march=arch8:-march=z10}" \ |
| "%{march=arch9:-march=z196}" \ |
| "%{march=arch10:-march=zEC12}" \ |
| "%{march=arch11:-march=z13}" \ |
| " -alshd=%b.lst" |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \ |
| -lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB" |
| |
| #define ENTRY_SPEC "%{mmain:-entry=_start} \ |
| %{!mmain:-entry=0}" |
| |
| /* All linking is done shared on TPF-OS. */ |
| /* FIXME: When binutils patch for new emulation is committed |
| then change emulation to elf64_s390_tpf. */ |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "-m elf64_s390 \ |
| %{static:%estatic is not supported on TPF-OS} \ |
| %{shared: -shared} \ |
| %{!shared:-shared} \ |
| %(entry_spec)" |
| |
| /* IBM copies these libraries over with these names. */ |
| #define MATH_LIBRARY "CLBM" |
| #define LIBSTDCXX "CPP1" |
| |
| #undef TARGET_LIBC_HAS_FUNCTION |
| #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function |
| |
| /* GAS supports it, but the debuggers don't, so avoid it. */ |
| #define SUPPORTS_DISCRIMINATOR 0 |
| |
| /* z/TPF hardcoded values for the -mtpf-trace feature. */ |
| |
| /* The *_CHECK value specify addresses in the lowcore whose byte |
| values can be used to turn on/off the tracing. */ |
| #define TPF_TRACE_PROLOGUE_CHECK 4065 |
| #define TPF_TRACE_EPILOGUE_CHECK 4071 |
| |
| /* The target addresses for the z/TPF trace facility. */ |
| #define TPF_TRACE_PROLOGUE_TARGET 4064 |
| #define TPF_TRACE_EPILOGUE_TARGET 4070 |
| |
| /* Alternate target addresses for the z/TPF trace facility. These |
| will be used with the -mtpf-trace-skip switch. */ |
| #define TPF_TRACE_PROLOGUE_SKIP_TARGET 4076 |
| #define TPF_TRACE_EPILOGUE_SKIP_TARGET 4082 |
| |
| #endif /* ! _TPF_H */ |