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/* 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 */
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