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709 |
jeremybenn |
/* Configuration for a MIPS ABI32 OpenBSD target.
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Copyright (C) 1999, 2003, 2004, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
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/* GAS must know this. */
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
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/* CPP specific OpenBSD specs. */
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
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/* Needed for ELF (inspired by netbsd-elf). */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* The profiling lib spec here is not really correct but we leave
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it as it is until we have some kind of profiling working. */
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#define LIB_SPEC OBSD_LIB_SPEC
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/* mips assembler uses .set for arcane purposes. __attribute__((alias))
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and friends won't work until we get recent binutils with .weakext
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support. */
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#undef SET_ASM_OP
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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builtin_define ("__unix__"); \
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builtin_define ("__SYSTYPE_BSD__"); \
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builtin_define ("__NO_LEADING_UNDERSCORES__"); \
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builtin_define ("__GP_SUPPORT__"); \
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builtin_define ("__OpenBSD__"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=OpenBSD"); \
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} while (0)
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/* Layout of source language data types. */
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/* This must agree with <machine/ansi.h>. */
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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/* Controlling the compilation driver. */
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/* LINK_SPEC appropriate for OpenBSD: support for GCC options
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-static, -assert, and -nostdlib. Dynamic loader control. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
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%{shared} \
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%{!shared: -non_shared} \
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-dynamic-linker /usr/libexec/ld.so \
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%{!nostdlib:%{!r:%{!e*:-e __start}}} -dc -dp \
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%{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
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/* -G is incompatible with -KPIC which is the default, so only allow objects
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in the small data section if the user explicitly asks for it. */
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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/* Since gas and gld are standard on OpenBSD, we don't need these. */
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#undef ASM_FINAL_SPEC
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#undef STARTFILE_SPEC
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/* Switch into a generic section. */
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
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/* MIPS specific debugging info */
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#define MIPS_DEBUGGING_INFO 1
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