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Diffstat (limited to 'gcc/config/mips/netbsd.h')
| -rw-r--r-- | gcc/config/mips/netbsd.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/gcc/config/mips/netbsd.h b/gcc/config/mips/netbsd.h new file mode 100644 index 0000000..6b335ca --- /dev/null +++ b/gcc/config/mips/netbsd.h @@ -0,0 +1,203 @@ +/* Definitions of target machine for GNU compiler, for MIPS NetBSD systems. + Copyright (C) 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. + +This file is part of GCC. + +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) +any later version. + +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 GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + + +/* Define default target values. */ + +#undef MACHINE_TYPE +#if TARGET_ENDIAN_DEFAULT != 0 +#define MACHINE_TYPE "NetBSD/mipseb ELF" +#else +#define MACHINE_TYPE "NetBSD/mipsel ELF" +#endif + +#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 \ + "%{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 \ + "%{!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 + + +/* This defines which switch letters take arguments. -G is a MIPS + special. */ + +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) \ + (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ + || (CHAR) == 'R' \ + || (CHAR) == 'G') + + +#undef ASM_FINAL_SPEC +#undef SET_ASM_OP + + +/* 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" + + +/* Make gcc agree with <machine/ansi.h> */ + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +#undef WINT_TYPE +#define WINT_TYPE "int" |
