/* Definitions of target machine for GNU compiler, for MIPS NetBSD systems.
- Copyright (C) 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2007 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-/* Define default target values. */
+/* Define default target values. */
-#ifndef TARGET_ENDIAN_DEFAULT
-#define TARGET_ENDIAN_DEFAULT MASK_BIG_ENDIAN
-#endif
-
-#ifndef MACHINE_TYPE
+#undef MACHINE_TYPE
#if TARGET_ENDIAN_DEFAULT != 0
#define MACHINE_TYPE "NetBSD/mipseb ELF"
#else
#define MACHINE_TYPE "NetBSD/mipsel ELF"
#endif
-#endif
-
-#define TARGET_DEFAULT (MASK_GAS|MASK_ABICALLS)
-
-/* XXX Don't use DWARF-2 debugging info, for now. */
-#undef DBX_DEBUGGING_INFO
-#define DBX_DEBUGGING_INFO
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-
-/* Include the generic MIPS ELF configuration. */
-#include <mips/elf.h>
-
-/* Now clean up after it. */
-#undef OBJECT_FORMAT_COFF
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ NETBSD_OS_CPP_BUILTINS_ELF(); \
+ builtin_define ("__NO_LEADING_UNDERSCORES__"); \
+ builtin_define ("__GP_SUPPORT__"); \
+ if (TARGET_LONG64) \
+ builtin_define ("__LONG64"); \
+ \
+ if (TARGET_ABICALLS) \
+ builtin_define ("__ABICALLS__"); \
+ \
+ if (mips_abi == ABI_EABI) \
+ builtin_define ("__mips_eabi"); \
+ else if (mips_abi == ABI_N32) \
+ builtin_define ("__mips_n32"); \
+ else if (mips_abi == ABI_64) \
+ builtin_define ("__mips_n64"); \
+ else if (mips_abi == ABI_O64) \
+ builtin_define ("__mips_o64"); \
+ } \
+ while (0)
+
+/* The generic MIPS TARGET_CPU_CPP_BUILTINS are incorrect for NetBSD.
+ Specifically, they define too many namespace-invasive macros. Override
+ them here. Note this is structured for easy comparison to the version
+ in mips.h.
+
+ FIXME: This probably isn't the best solution. But in the absence
+ of something better, it will have to do, for now. */
+
+#undef TARGET_CPU_CPP_BUILTINS
+#define TARGET_CPU_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_assert ("cpu=mips"); \
+ builtin_define ("__mips__"); \
+ builtin_define ("_mips"); \
+ \
+ /* No _R3000 or _R4000. */ \
+ if (TARGET_64BIT) \
+ builtin_define ("__mips64"); \
+ \
+ if (TARGET_FLOAT64) \
+ builtin_define ("__mips_fpr=64"); \
+ else \
+ builtin_define ("__mips_fpr=32"); \
+ \
+ if (TARGET_MIPS16) \
+ builtin_define ("__mips16"); \
+ \
+ MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info); \
+ MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info); \
+ \
+ if (ISA_MIPS1) \
+ builtin_define ("__mips=1"); \
+ else if (ISA_MIPS2) \
+ builtin_define ("__mips=2"); \
+ else if (ISA_MIPS3) \
+ builtin_define ("__mips=3"); \
+ else if (ISA_MIPS4) \
+ builtin_define ("__mips=4"); \
+ else if (ISA_MIPS32) \
+ { \
+ builtin_define ("__mips=32"); \
+ builtin_define ("__mips_isa_rev=1"); \
+ } \
+ else if (ISA_MIPS32R2) \
+ { \
+ builtin_define ("__mips=32"); \
+ builtin_define ("__mips_isa_rev=2"); \
+ } \
+ else if (ISA_MIPS64) \
+ { \
+ builtin_define ("__mips=64"); \
+ builtin_define ("__mips_isa_rev=1"); \
+ } \
+ \
+ if (TARGET_HARD_FLOAT) \
+ builtin_define ("__mips_hard_float"); \
+ else if (TARGET_SOFT_FLOAT) \
+ builtin_define ("__mips_soft_float"); \
+ \
+ if (TARGET_SINGLE_FLOAT) \
+ builtin_define ("__mips_single_float"); \
+ \
+ if (TARGET_BIG_ENDIAN) \
+ builtin_define ("__MIPSEB__"); \
+ else \
+ builtin_define ("__MIPSEL__"); \
+ \
+ /* No language dialect defines. */ \
+ \
+ /* ABIs handled in TARGET_OS_CPP_BUILTINS. */ \
+ } \
+ while (0)
+
+
+/* Clean up after the generic MIPS/ELF configuration. */
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
-#undef US_SOFTWARE_GOFAST
-#undef INIT_SUBTARGET_OPTABS
-#define INIT_SUBTARGET_OPTABS
-
-
-/* Get generic NetBSD definitions. */
-#include <netbsd.h>
+/* Extra specs we need. */
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
+ { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
+ { "netbsd_entry_point", NETBSD_ENTRY_POINT },
-/* Get generic NetBSD ELF definitions. */
-#include <netbsd-elf.h>
-
-
-/* Provide CPP predefines appropriate for NetBSD. We default to
- MIPS-I. */
-
-#undef CPP_PREDEFINES
-#if TARGET_ENDIAN_DEFAULT != 0
-#define CPP_PREDEFINES \
- "-D__NetBSD__ -D__ELF__ -D__mips__ -D__mips=1 -D__MIPSEB__ \
- -D__NO_LEADING_UNDERSCORES__ -D__GP_SUPPORT__ \
- -Asystem=unix -Asystem=NetBSD -Amachine=mips"
-#else
-#define CPP_PREDEFINES \
- "-D__NetBSD__ -D__ELF__ -D__mips__ -D__mips=1 -D__MIPSEL__ \
- -D__NO_LEADING_UNDERSCORES__ -D__GP_SUPPORT__ \
- -Asystem=unix -Asystem=NetBSD -Amachine=mips"
-#endif
-
-
-/* Provide a CPP_SPEC appropriate for NetBSD. This is a simplified
- CPP_SPEC from <mips/mips.h>. We use the SUBTARGET_CPP_SPEC to
- deal with NetBSD-specific CPP options. */
-
-#undef CPP_SPEC
-#define CPP_SPEC \
- "%(subtarget_cpp_size_spec) \
- %{mips3:-U__mips -D__mips=3 -D__mips64} \
- %{mips4:-U__mips -D__mips=4 -D__mips64} \
- %{mips32:-U__mips -D__mips=32} \
- %{mips64:-U__mips -D__mips=64 -D__mips64} \
- %{mgp32:-U__mips64} %{mgp64:-D__mips64} \
- %{mfp32:-D__mips_fpr=32} %{mfp64:-D__mips_fpr=64} \
- %{!mfp32: \
- %{!mfp64: \
- %{mgp32:-D__mips_fpr=32} \
- %{!mgp32: %(cpp_fpr_spec)}}} \
- %{msingle-float: \
- %{!msoft-float:-D__mips_single_float}} \
- %{m4650: \
- %{!msoft-float:-D__mips_single_float}} \
- %{msoft-float:-D__mips_soft_float} \
- %{mabi=eabi:-D__mips_eabi} \
- %{mips16:%{!mno-mips16:-D__mips16}} \
- %{EB:-U__MIPSEL__ -D__MIPSEB__} \
- %{EL:-U__MIPSEB__ -D__MIPSEL__} \
- %(subtarget_cpp_spec) "
-
-
-/* Provide a SUBTARGET_CPP_SIZE_SPEC appropriate for NetBSD. In
- addition to the normal work done by this spec, we also define
- __LONG64 or not (so that <machine/ansi.h> can tell). */
-
-#undef SUBTARGET_CPP_SIZE_SPEC
-#define SUBTARGET_CPP_SIZE_SPEC \
- "%{mlong64: \
- %{!mips1: \
- %{!mips2: \
- %{!mips32:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int -D__LONG64}}}} \
- %{!mlong64:-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int -U__LONG64}"
-
-
-/* Provide a SUBTARGET_CPP_SPEC appropriate for NetBSD. Currently,
- we just deal with the GCC option '-posix'. */
+/* Provide a SUBTARGET_CPP_SPEC appropriate for NetBSD. */
#undef SUBTARGET_CPP_SPEC
-#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
-
+#define SUBTARGET_CPP_SPEC "%(netbsd_cpp_spec)"
/* Provide a LINK_SPEC appropriate for a NetBSD/mips target.
This is a copy of LINK_SPEC from <netbsd-elf.h> tweaked for
the MIPS target. */
#undef LINK_SPEC
-#define LINK_SPEC \
- "%{assert*} %{R*} %{rpath*} \
- %{EL:-m elf32lmip} \
- %{EB:-m elf32bmip} \
- %(endian_spec) \
- %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips64} \
- %{bestGnum} %{call_shared} %{no_archive} %{exact_version} \
- %{shared:-shared} \
- %{!shared: \
- -dc -dp \
- %{!nostdlib: \
- %{!r*: \
- %{!e*:-e __start}}} \
- %{!static: \
- %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
- %{static:-static}}"
+#define LINK_SPEC \
+ "%{EL:-m elf32lmip} \
+ %{EB:-m elf32bmip} \
+ %(endian_spec) \
+ %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} %{mips64} \
+ %{bestGnum} %{call_shared} %{no_archive} %{exact_version} \
+ %(netbsd_link_spec)"
+#define NETBSD_ENTRY_POINT "__start"
#undef SUBTARGET_ASM_SPEC
-#define SUBTARGET_ASM_SPEC \
- "%{fpic:-KPIC} %{fPIC:-KPIC}"
+#define SUBTARGET_ASM_SPEC \
+ "%{!mno-abicalls: \
+ %{!fno-PIC:%{!fno-pic:-KPIC}}}"
/* -G is incompatible with -KPIC which is the default, so only allow objects
in the small data section if the user explicitly asks for it. */
-#undef MIPS_DEFAULT_GVALUE
-#define MIPS_DEFAULT_GVALUE 0
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
/* This defines which switch letters take arguments. -G is a MIPS
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
-#undef WCHAR_UNSIGNED
-#define WCHAR_UNSIGNED 0
-
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
projects / msp430-gcc.git / blobdiff