-/* Definitions for DECstation running BSD as target machine for GNU compiler.
- Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler, for MIPS NetBSD systems.
+ 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 DECSTATION
-/* Look for the include files in the system-defined places. */
+/* Define default target values. */
-#ifndef CROSS_COMPILE
-#undef GPLUSPLUS_INCLUDE_DIR
-#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
-
-#undef GCC_INCLUDE_DIR
-#define GCC_INCLUDE_DIR "/usr/include"
-
-#undef INCLUDE_DEFAULTS
-#define INCLUDE_DEFAULTS \
- { \
- { GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \
- { GCC_INCLUDE_DIR, 0, 0 }, \
- { 0, 0, 0 } \
- }
-
-/* Under NetBSD, the normal location of the various *crt*.o files is the
- /usr/lib directory. */
-
-#undef STANDARD_STARTFILE_PREFIX
-#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
+#undef MACHINE_TYPE
+#if TARGET_ENDIAN_DEFAULT != 0
+#define MACHINE_TYPE "NetBSD/mipseb ELF"
+#else
+#define MACHINE_TYPE "NetBSD/mipsel ELF"
#endif
-/* Provide a LINK_SPEC appropriate for NetBSD. Here we provide support
- for the special GCC options -static, -assert, and -nostdlib. */
+#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
+
+/* 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 },
+
+/* Provide a SUBTARGET_CPP_SPEC appropriate for NetBSD. */
+
+#undef SUBTARGET_CPP_SPEC
+#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 \
- "%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
- %{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{static:-Bstatic} %{assert*}"
+ "%{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)"
-/* We have atexit(3). */
+#define NETBSD_ENTRY_POINT "__start"
-#define HAVE_ATEXIT
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC \
+ "%{!mno-abicalls: \
+ %{!fno-PIC:%{!fno-pic:-KPIC}}}"
-/* Implicit library calls should use memcpy, not bcopy, etc. */
-#define TARGET_MEM_FUNCTIONS
+/* -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. */
-/* Define mips-specific netbsd predefines... */
-#ifndef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ANSI_COMPAT \
--DMIPSEL -DR3000 -DSYSTYPE_BSD -D_SYSTYPE_BSD -D__NetBSD__ -Dmips \
--D__NO_LEADING_UNDERSCORES__ -D__GP_SUPPORT__ \
--Dunix -D_R3000 \
--Asystem(unix) -Asystem(NetBSD) -Amachine(mips)"
-#endif
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
-/* Always uses gas. */
-#ifndef ASM_SPEC
-#define ASM_SPEC "\
-%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{v} \
-%{noasmopt:-O0} \
-%{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
-%{g} %{g0} %{g1} %{g2} %{g3} \
-%{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
-%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
-%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
-%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3}"
-#endif
-#ifndef CPP_SPEC
-#define CPP_SPEC "\
-%{posix:-D_POSIX_SOURCE} \
-%{mlong64:-D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \
-%{!mlong64:-D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \
-%{mips3:-U__mips -D__mips=3 -D__mips64}"
-%{mgp32:-U__mips64} %{mgp64:-D__mips64} \
-#endif
+/* This defines which switch letters take arguments. -G is a MIPS
+ special. */
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
-#define STARTFILE_SPEC ""
+#undef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) \
+ (DEFAULT_SWITCH_TAKES_ARG (CHAR) \
+ || (CHAR) == 'R' \
+ || (CHAR) == 'G')
-#ifndef MACHINE_TYPE
-#define MACHINE_TYPE "NetBSD/pmax"
-#endif
-#define TARGET_DEFAULT MASK_GAS
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-#define LOCAL_LABEL_PREFIX "."
-
-#include "mips/mips.h"
-
-/*
- * Some imports from svr4.h in support of shared libraries.
- * Currently, we need the DECLARE_OBJECT_SIZE stuff.
- */
-
-/* Define the strings used for the special svr4 .type and .size directives.
- These strings generally do not vary from one system running svr4 to
- another, but if a given system (e.g. m88k running svr) needs to use
- different pseudo-op names for these, they may be overridden in the
- file which includes this one. */
+#undef ASM_FINAL_SPEC
+#undef SET_ASM_OP
-#undef TYPE_ASM_OP
-#undef SIZE_ASM_OP
-#undef WEAK_ASM_OP
-#define TYPE_ASM_OP ".type"
-#define SIZE_ASM_OP ".size"
-#define WEAK_ASM_OP ".weak"
-/* The following macro defines the format used to output the second
- operand of the .type assembler directive. Different svr4 assemblers
- expect various different forms for this operand. The one given here
- is just a default. You may need to override it in your machine-
- specific tm.h file (depending upon the particulars of your assembler). */
+/* NetBSD hasn't historically provided _flush_cache(), but rather
+ _cacheflush(), which takes the same arguments as the former. */
+#undef CACHE_FLUSH_FUNC
+#define CACHE_FLUSH_FUNC "_cacheflush"
-#undef TYPE_OPERAND_FMT
-#define TYPE_OPERAND_FMT "@%s"
-/* Write the extra assembler code needed to declare a function's result.
- Most svr4 assemblers don't require any special declaration of the
- result value, but there are exceptions. */
+/* Make gcc agree with <machine/ansi.h> */
-#ifndef ASM_DECLARE_RESULT
-#define ASM_DECLARE_RESULT(FILE, RESULT)
-#endif
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
-/* These macros generate the special .type and .size directives which
- are used to set the corresponding fields of the linker symbol table
- entries in an ELF object file under SVR4. These macros also output
- the starting labels for the relevant functions/objects. */
-
-/* Write the extra assembler code needed to declare a function properly.
- Some svr4 assemblers need to also have something extra said about the
- function's return value. We allow for that here. */
-
-#undef ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do { \
- fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
- putc ('\n', FILE); \
- ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
- } while (0)
-
-/* Write the extra assembler code needed to declare an object properly. */
-
-#undef ASM_DECLARE_OBJECT_NAME
-#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do { \
- fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
- putc ('\n', FILE); \
- size_directive_output = 0; \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } while (0)
-
-/* Output the size directive for a decl in rest_of_decl_compilation
- in the case where we did not do so before the initializer.
- Once we find the error_mark_node, we know that the value of
- size_directive_output was set
- by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
-
-#undef ASM_FINISH_DECLARE_OBJECT
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
-do { \
- char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, name); \
- fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
- } \
- } while (0)
-
-/* This is how to declare the size of a function. */
-
-#undef ASM_DECLARE_FUNCTION_SIZE
-#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
- do { \
- if (!flag_inhibit_size_directive) \
- { \
- char label[256]; \
- static int labelno; \
- labelno++; \
- ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
- fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
- assemble_name (FILE, (FNAME)); \
- fprintf (FILE, ","); \
- assemble_name (FILE, label); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, (FNAME)); \
- putc ('\n', FILE); \
- } \
- } while (0)
-
-/* Since gas and gld are standard on NetBSD, we don't need these */
-#undef ASM_FINAL_SPEC
-#undef STARTFILE_SPEC
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+#undef WINT_TYPE
+#define WINT_TYPE "int"
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