115 lines
4.0 KiB
C
115 lines
4.0 KiB
C
/* Definitions of target machine for GNU compiler, for BeOS.
|
|
Copyright (C) 1997, 2000, 2001, 2002 Free Software Foundation, Inc.
|
|
Contributed by Fred Fish (fnf@cygnus.com), based on aix41.h
|
|
from David Edelsohn (edelsohn@npac.syr.edu).
|
|
|
|
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. */
|
|
|
|
#undef TARGET_VERSION
|
|
#define TARGET_VERSION fprintf (stderr, " (BeOS/PowerPC)");
|
|
|
|
/* Enable AIX XL compiler calling convention breakage compatibility. */
|
|
#define MASK_XL_CALL 0x40000000
|
|
#define TARGET_XL_CALL (target_flags & MASK_XL_CALL)
|
|
#undef SUBTARGET_SWITCHES
|
|
#define SUBTARGET_SWITCHES \
|
|
{"xl-call", MASK_XL_CALL, \
|
|
N_("Always pass floating-point arguments in memory") }, \
|
|
{"no-xl-call", - MASK_XL_CALL, \
|
|
N_("Don't always pass floating-point arguments in memory") }, \
|
|
{"threads", 0}, \
|
|
{"pe", 0},
|
|
|
|
#undef ASM_SPEC
|
|
#define ASM_SPEC "-u %(asm_cpu)"
|
|
|
|
#undef CPP_PREDEFINES
|
|
/* __POWERPC__ must be defined for some header files */
|
|
#define CPP_PREDEFINES "-D__BEOS__ -D__POWERPC__ -Asystem=beos -Acpu=powerpc -Amachine=powerpc"
|
|
|
|
#undef CPP_SPEC
|
|
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_cpu)"
|
|
|
|
#undef CPP_DEFAULT_SPEC
|
|
#define CPP_DEFAULT_SPEC "-D_ARCH_PPC"
|
|
|
|
/* This is the easiest way to disable use of gcc's builtin alloca,
|
|
which in the current BeOS release (DR9) is a problem because of the
|
|
relatively low default stack size of 256K with no way to expand it.
|
|
So anything we compile for the BeOS target should not use the
|
|
builtin alloca. This also has the unwanted side effect of
|
|
disabling all builtin functions though. */
|
|
|
|
#undef CC1_SPEC
|
|
#define CC1_SPEC "%{!fbuiltin: -fno-builtin}"
|
|
#undef CC1PLUS_SPEC
|
|
#define CC1PLUS_SPEC "%{!fbuiltin: -fno-builtin}"
|
|
|
|
#undef ASM_DEFAULT_SPEC
|
|
#define ASM_DEFAULT_SPEC "-mppc"
|
|
|
|
#undef TARGET_DEFAULT
|
|
#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
|
|
|
|
#undef PROCESSOR_DEFAULT
|
|
#define PROCESSOR_DEFAULT PROCESSOR_PPC603
|
|
|
|
/* 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 { "mcpu=powerpc" }
|
|
|
|
/* These empty definitions get rid of the attempt to link in crt0.o
|
|
and any libraries like libc.a.
|
|
On BeOS the ld executable is actually a linker front end that first runs
|
|
the GNU linker with the -r option to generate a relocatable XCOFF output
|
|
file, and then runs Metrowork's linker (mwld) to generate a fully linked
|
|
executable. */
|
|
|
|
#undef LIB_SPEC
|
|
#define LIB_SPEC ""
|
|
|
|
#undef LINK_SPEC
|
|
#define LINK_SPEC ""
|
|
|
|
#undef STARTFILE_SPEC
|
|
#define STARTFILE_SPEC ""
|
|
|
|
/* Text to write out after a CALL that may be replaced by glue code by
|
|
the loader. */
|
|
|
|
#undef RS6000_CALL_GLUE
|
|
#define RS6000_CALL_GLUE "cror 15,15,15"
|
|
|
|
/* Struct alignments are done on 4 byte boundaries for all types. */
|
|
#undef BIGGEST_FIELD_ALIGNMENT
|
|
#define BIGGEST_FIELD_ALIGNMENT 32
|
|
|
|
/* STANDARD_INCLUDE_DIR is the equivalent of "/usr/include" on UNIX. */
|
|
#define STANDARD_INCLUDE_DIR "/boot/develop/headers/posix"
|
|
|
|
/* SYSTEM_INCLUDE_DIR is the location for system specific, non-POSIX headers. */
|
|
#define SYSTEM_INCLUDE_DIR "/boot/develop/headers/be"
|