freebsd-skq/contrib/gcc/config/s390/tpf.h
2007-05-19 01:19:51 +00:00

131 lines
4.1 KiB
C

/* Definitions for target OS TPF for GNU compiler, for IBM S/390 hardware
Copyright (C) 2003, 2004, 2005 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 2, 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 COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#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 NO_IMPLICIT_EXTERN_C
#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
/* Basic record keeping for the TPF OS name. */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (TPF: zSeries)");
/* 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_FLOAT | 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)"
#undef ASM_SPEC
#define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*} \
-alshd=%b.lst"
/* It would be nice to get the system linker script define the ones that it
needed. */
#undef LIB_SPEC
#define LIB_SPEC "-lCTIS -lCISO -lCLBM -lCTAL -lCFVS -lCTBX -lCTXO \
-lCJ00 -lCTDF -lCOMX -lCOMS -lCTHD -lCTAD -lTPFSTUB"
#undef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 1
#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)"
#define MD_UNWIND_SUPPORT "config/s390/tpf-unwind.h"
/* IBM copies these libraries over with these names. */
#define MATH_LIBRARY "-lCLBM"
#define LIBSTDCXX "-lCPP1"
#endif /* ! _TPF_H */