1/* Definitions of target machine for GNU compiler, for BeOS. 2 Copyright (C) 1997, 2000, 2001, 2002, 2003, 2005 3 Free Software Foundation, Inc. 4 Contributed by Fred Fish (fnf@cygnus.com), based on aix41.h 5 from David Edelsohn (edelsohn@npac.syr.edu). 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 2, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING. If not, write to the 21 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24#undef TARGET_VERSION 25#define TARGET_VERSION fprintf (stderr, " (BeOS/PowerPC)"); 26 27#undef ASM_SPEC 28#define ASM_SPEC "-u %(asm_cpu)" 29 30#undef TARGET_OS_CPP_BUILTINS 31/* __POWERPC__ must be defined for some header files. */ 32#define TARGET_OS_CPP_BUILTINS() \ 33 do \ 34 { \ 35 builtin_define ("__BEOS__"); \ 36 builtin_define ("__POWERPC__"); \ 37 builtin_assert ("system=beos"); \ 38 builtin_assert ("cpu=powerpc"); \ 39 builtin_assert ("machine=powerpc"); \ 40 } \ 41 while (0) 42 43#undef CPP_SPEC 44#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}" 45 46/* This is the easiest way to disable use of gcc's builtin alloca, 47 which in the current BeOS release (DR9) is a problem because of the 48 relatively low default stack size of 256K with no way to expand it. 49 So anything we compile for the BeOS target should not use the 50 builtin alloca. This also has the unwanted side effect of 51 disabling all builtin functions though. */ 52 53#undef CC1_SPEC 54#define CC1_SPEC "%{!fbuiltin: -fno-builtin}" 55#undef CC1PLUS_SPEC 56#define CC1PLUS_SPEC "%{!fbuiltin: -fno-builtin}" 57 58#undef ASM_DEFAULT_SPEC 59#define ASM_DEFAULT_SPEC "-mppc" 60 61#undef TARGET_DEFAULT 62#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) 63 64#undef PROCESSOR_DEFAULT 65#define PROCESSOR_DEFAULT PROCESSOR_PPC603 66 67/* Define this macro as a C expression for the initializer of an 68 array of string to tell the driver program which options are 69 defaults for this target and thus do not need to be handled 70 specially when using `MULTILIB_OPTIONS'. 71 72 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 73 the target makefile fragment or if none of the options listed in 74 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 75 76#undef MULTILIB_DEFAULTS 77#define MULTILIB_DEFAULTS { "mcpu=powerpc" } 78 79/* These empty definitions get rid of the attempt to link in crt0.o 80 and any libraries like libc.a. 81 On BeOS the ld executable is actually a linker front end that first runs 82 the GNU linker with the -r option to generate a relocatable XCOFF output 83 file, and then runs Metrowork's linker (mwld) to generate a fully linked 84 executable. */ 85 86#undef LIB_SPEC 87#define LIB_SPEC "" 88 89#undef LINK_SPEC 90#define LINK_SPEC "" 91 92#undef STARTFILE_SPEC 93#define STARTFILE_SPEC "" 94 95/* Text to write out after a CALL that may be replaced by glue code by 96 the loader. */ 97 98#undef RS6000_CALL_GLUE 99#define RS6000_CALL_GLUE "cror 15,15,15" 100 101/* Struct alignments are done on 4 byte boundaries for all types. */ 102#undef BIGGEST_FIELD_ALIGNMENT 103#define BIGGEST_FIELD_ALIGNMENT 32 104 105/* STANDARD_INCLUDE_DIR is the equivalent of "/usr/include" on UNIX. */ 106#define STANDARD_INCLUDE_DIR "/boot/develop/headers/posix" 107 108/* SYSTEM_INCLUDE_DIR is the location for system specific, non-POSIX headers. */ 109#define SYSTEM_INCLUDE_DIR "/boot/develop/headers/be" 110