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/* Configuration for a Mips ABI32 OpenBSD target.
Copyright (C) 1999 Free Software Foundation, Inc.
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. */
/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
/* GAS must know this. */
#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC} %|"
/* CPP specific OpenBSD specs. */
#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
/* Needed for ELF (inspired by netbsd-elf). */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#define LOCAL_LABEL_PREFIX "."
#define ASM_FINAL_SPEC ""
#include <mips/mips.h>
#undef MDEBUG_ASM_SPEC
#define MDEBUG_ASM_SPEC ""
#include <mips/elf.h>
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
crtbegin%O%s} %{shared:crtbeginS%O%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
#undef LIB_SPEC
#define LIB_SPEC OBSD_LIB_SPEC
/* Get generic OpenBSD definitions. */
#define OBSD_HAS_DECLARE_FUNCTION_NAME
#define OBSD_HAS_DECLARE_OBJECT
#define OBSD_HAS_CORRECT_SPECS
#include <openbsd.h>
/* mips assembler uses .set for arcane purposes. __attribute__((alias))
and friends won't work until we get recent binutils with .weakext
support. */
#undef SET_ASM_OP
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
do { \
OPENBSD_OS_CPP_BUILTINS_ELF(); \
builtin_define ("__NO_LEADING_UNDERSCORES__"); \
builtin_define ("__GP_SUPPORT__"); \
builtin_assert ("machine=mips"); \
if (TARGET_LONG64) \
builtin_define ("__LONG64"); \
if (TARGET_64BIT) \
OPENBSD_OS_CPP_BUILTINS_LP64(); \
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"); \
/* Needed to make libgcc to build properly */ \
if (mips_abi == ABI_N32) \
{ \
builtin_define ("_ABIN32=2"); \
builtin_define ("_MIPS_SIM=_ABIN32"); \
builtin_define ("_MIPS_SZLONG=32"); \
builtin_define ("_MIPS_SZPTR=32"); \
} \
else if (mips_abi == ABI_64) \
{ \
builtin_define ("_ABI64=3"); \
builtin_define ("_MIPS_SIM=_ABI64"); \
builtin_define ("_MIPS_SZLONG=64"); \
builtin_define ("_MIPS_SZPTR=64"); \
} \
else \
{ \
builtin_define ("_MIPS_SIM=_MIPS_SIM_ABI32"); \
builtin_define ("_MIPS_SZLONG=32"); \
builtin_define ("_MIPS_SZPTR=32"); \
} \
} while (0)
/* Layout of source language data types. */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Controlling the compilation driver. */
/* LINK_SPEC appropriate for OpenBSD: support for GCC options
-static, -assert, and -nostdlib. Dynamic loader control. */
#undef LINK_SPEC
#define LINK_SPEC \
"%(endian_spec) \
%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips64} \
%{bestGnum} %{shared} %{non_shared} \
%{call_shared} %{no_archive} %{exact_version} \
%{!shared: %{!non_shared: %{!call_shared: -non_shared}}} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so} \
%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp \
%{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
/* -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
|
