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/* Configuration for a MIPS ABI32 OpenBSD target.
Copyright (C) 1999, 2003, 2004, 2007 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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
/* GAS must know this. */
#undef SUBTARGET_ASM_SPEC
#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
/* CPP specific OpenBSD specs. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
/* Needed for ELF (inspired by netbsd-elf). */
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/* The profiling lib spec here is not really correct but we leave
it as it is until we have some kind of profiling working. */
#define LIB_SPEC OBSD_LIB_SPEC
/* 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
#define TARGET_OS_CPP_BUILTINS() \
do { \
builtin_define ("__unix__"); \
builtin_define ("__SYSTYPE_BSD__"); \
builtin_define ("__NO_LEADING_UNDERSCORES__"); \
builtin_define ("__GP_SUPPORT__"); \
builtin_define ("__OpenBSD__"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=OpenBSD"); \
} while (0)
/* Layout of source language data types. */
/* This must agree with <machine/ansi.h>. */
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
#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 \
"%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
%{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
/* Since gas and gld are standard on OpenBSD, we don't need these. */
#undef ASM_FINAL_SPEC
#undef STARTFILE_SPEC
/* Switch into a generic section. */
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
/* MIPS specific debugging info */
#define MIPS_DEBUGGING_INFO 1
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