/* 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:-KPIC} %|" /* CPP specific OpenBSD specs. */ #define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC /* Needed for ELF (inspired by netbsd-elf). */ #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG #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 /* By default, OpenBSD mips is little endian. This is important to set here as mips/mips.h defaults to big endian. */ #ifndef TARGET_ENDIAN_DEFAULT #define TARGET_ENDIAN_DEFAULT 0 #endif #include <mips/mips.h> /* 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 #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"); \ builtin_assert ("machine=mips"); \ } 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 /* Not having TARGET_GAS here seems a mistake. If we actually need to be prepared for file switching, then we need a custom TARGET_ASM_NAMED_SECTION too. */ #undef TEXT_SECTION #define TEXT_SECTION() \ do { \ if (TARGET_FILE_SWITCHING) \ abort (); \ fputs (TEXT_SECTION_ASM_OP, asm_out_file); \ fputc ('\n', asm_out_file); \ } while (0) /* collect2 support (Macros for initialization). */ /* Mips default configuration is COFF-only, and confuses collect2. */ #undef OBJECT_FORMAT_COFF #undef EXTENDED_COFF