109 lines
3.9 KiB
C
109 lines
3.9 KiB
C
/* Definitions of target machine for GNU compiler, for BeOS.
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Copyright (C) 1997, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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Contributed by Fred Fish (fnf@cygnus.com), based on aix41.h
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from David Edelsohn (edelsohn@npac.syr.edu).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (BeOS/PowerPC)");
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#undef ASM_SPEC
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#define ASM_SPEC "-u %(asm_cpu)"
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#undef TARGET_OS_CPP_BUILTINS
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/* __POWERPC__ must be defined for some header files. */
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define ("__BEOS__"); \
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builtin_define ("__POWERPC__"); \
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builtin_assert ("system=beos"); \
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builtin_assert ("cpu=powerpc"); \
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builtin_assert ("machine=powerpc"); \
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} \
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while (0)
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}"
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/* This is the easiest way to disable use of gcc's builtin alloca,
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which in the current BeOS release (DR9) is a problem because of the
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relatively low default stack size of 256K with no way to expand it.
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So anything we compile for the BeOS target should not use the
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builtin alloca. This also has the unwanted side effect of
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disabling all builtin functions though. */
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#undef CC1_SPEC
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#define CC1_SPEC "%{!fbuiltin: -fno-builtin}"
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#undef CC1PLUS_SPEC
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#define CC1PLUS_SPEC "%{!fbuiltin: -fno-builtin}"
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mppc"
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
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#undef PROCESSOR_DEFAULT
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#define PROCESSOR_DEFAULT PROCESSOR_PPC603
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/* Define this macro as a C expression for the initializer of an
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array of string to tell the driver program which options are
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defaults for this target and thus do not need to be handled
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specially when using `MULTILIB_OPTIONS'.
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Do not define this macro if `MULTILIB_OPTIONS' is not defined in
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the target makefile fragment or if none of the options listed in
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`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
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#undef MULTILIB_DEFAULTS
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#define MULTILIB_DEFAULTS { "mcpu=powerpc" }
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/* These empty definitions get rid of the attempt to link in crt0.o
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and any libraries like libc.a.
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On BeOS the ld executable is actually a linker front end that first runs
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the GNU linker with the -r option to generate a relocatable XCOFF output
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file, and then runs Metrowork's linker (mwld) to generate a fully linked
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executable. */
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#undef LIB_SPEC
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#define LIB_SPEC ""
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#undef LINK_SPEC
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#define LINK_SPEC ""
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC ""
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/* Text to write out after a CALL that may be replaced by glue code by
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the loader. */
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#undef RS6000_CALL_GLUE
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#define RS6000_CALL_GLUE "cror 15,15,15"
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/* Struct alignments are done on 4 byte boundaries for all types. */
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#undef BIGGEST_FIELD_ALIGNMENT
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#define BIGGEST_FIELD_ALIGNMENT 32
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/* STANDARD_INCLUDE_DIR is the equivalent of "/usr/include" on UNIX. */
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#define STANDARD_INCLUDE_DIR "/boot/develop/headers/posix"
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/* SYSTEM_INCLUDE_DIR is the location for system specific, non-POSIX headers. */
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#define SYSTEM_INCLUDE_DIR "/boot/develop/headers/be"
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