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/* Configuration file for an rs6000 OpenBSD target.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* XXX need to check ASM_WEAKEN_LABEL/ASM_GLOBALIZE_LABEL. */
/* Run-time target specifications. */
#undef TARGET_OS_CPP_BUILTINS /* FIXME: sysv4.h should not define this! */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
OPENBSD_OS_CPP_BUILTINS_ELF(); \
builtin_define ("__PPC"); \
builtin_define ("__PPC__"); \
builtin_define ("__powerpc"); \
builtin_define ("__powerpc__"); \
builtin_assert ("cpu=powerpc"); \
builtin_assert ("machine=powerpc"); \
} \
while (0)
/* Override the default from rs6000.h to avoid conflicts with macros
defined in OpenBSD header files. */
#undef RS6000_CPU_CPP_ENDIAN_BUILTINS
#define RS6000_CPU_CPP_ENDIAN_BUILTINS() \
do \
{ \
if (BYTES_BIG_ENDIAN) \
{ \
builtin_define ("__BIG_ENDIAN__"); \
builtin_assert ("machine=bigendian"); \
} \
else \
{ \
builtin_define ("__LITTLE_ENDIAN__"); \
builtin_assert ("machine=littleendian"); \
} \
} \
while (0)
#undef CPP_OS_DEFAULT_SPEC
#define CPP_OS_DEFAULT_SPEC "%(cpp_os_openbsd)"
#undef LINKER_NAME
#define LINKER_NAME "ld"
#undef LINK_SPEC
#define LINK_SPEC "%{shared:-shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}} \
%{static:-static}}"
#undef LIB_DEFAULT_SPEC
#define LIB_DEFAULT_SPEC "%(lib_openbsd)"
#undef STARTFILE_DEFAULT_SPEC
#define STARTFILE_DEFAULT_SPEC "%(startfile_openbsd)"
#undef ENDFILE_DEFAULT_SPEC
#define ENDFILE_DEFAULT_SPEC "%(endfile_openbsd)"
#undef LINK_START_DEFAULT_SPEC
#define LINK_START_DEFAULT_SPEC "%(link_start_openbsd)"
#undef LINK_OS_DEFAULT_SPEC
#define LINK_OS_DEFAULT_SPEC "%(link_os_openbsd)"
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (PowerPC OpenBSD)");
/* Default ABI to use */
#undef RS6000_ABI_NAME
#define RS6000_ABI_NAME "openbsd"
/* Define this macro as a C expression for the initializer of an
array of string to tell the driver program which options are
defaults for this target and thus do not need to be handled
specially when using `MULTILIB_OPTIONS'.
Do not define this macro if `MULTILIB_OPTIONS' is not defined in
the target makefile fragment or if none of the options listed in
`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
#undef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS { "mbig", "mcall-openbsd" }
/* collect2 support (Macros for initialization). */
/* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld
library with the proper functions to handle this -> collect2 will
default to using nm. */
#undef OBJECT_FORMAT_COFF
/* Some code gets optimized incorrectly by move_movables() in loop.c */
#define BROKEN_MOVE_MOVABLES_P
/* This must agree with <machine/_types.h> */
#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
#undef TRAMPOLINE_SIZE
#define TRAMPOLINE_SIZE 40
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