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/* Configuration file for an alpha OpenBSD target.
Copyright (C) 1999, 2003, 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/>. */
/* We settle for little endian for now. */
#define TARGET_ENDIAN_DEFAULT 0
/* Controlling the compilation driver. */
/* alpha needs __start. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}"
/* run-time target specifications */
#define TARGET_OS_CPP_BUILTINS() \
do { \
builtin_define ("__OpenBSD__"); \
builtin_define ("__ANSI_COMPAT"); \
builtin_define ("__unix__"); \
builtin_assert ("system=unix"); \
} while (0)
/* Layout of source language data types. */
/* This must agree with <machine/ansi.h> */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#define LOCAL_LABEL_PREFIX "."
/* We don't have an init section yet. */
#undef HAS_INIT_SECTION
/* collect2 support (assembler format: macros for initialization). */
/* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld
library with the proper functions to handle this -> collect2 will
default to using nm. */
#undef OBJECT_FORMAT_COFF
#undef EXTENDED_COFF
/* Assembler format: exception region output. */
/* All configurations that don't use elf must be explicit about not using
dwarf unwind information. */
#ifdef INCOMING_RETURN_ADDR_RTX
#undef DWARF2_UNWIND_INFO
#define DWARF2_UNWIND_INFO 0
#endif
/* Assembler format: label output. */
/* alpha ecoff supports only weak aliases. */
#undef ASM_WEAKEN_LABEL
#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0)
#define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \
do { \
fputs ("\t.weakext\t", FILE); \
assemble_name (FILE, NAME); \
if (VALUE) \
{ \
fputs (" , ", FILE); \
assemble_name (FILE, VALUE); \
} \
fputc ('\n', FILE); \
} while (0)
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