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julius |
/* Configuration file for an alpha OpenBSD target.
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Copyright (C) 1999, 2003, 2007 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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/* We settle for little endian for now. */
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#define TARGET_ENDIAN_DEFAULT 0
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/* Controlling the compilation driver. */
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/* alpha needs __start. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}"
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/* run-time target specifications */
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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builtin_define ("__OpenBSD__"); \
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builtin_define ("__ANSI_COMPAT"); \
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builtin_define ("__unix__"); \
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builtin_assert ("system=unix"); \
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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 PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#define LOCAL_LABEL_PREFIX "."
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/* We don't have an init section yet. */
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#undef HAS_INIT_SECTION
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/* collect2 support (assembler format: macros for initialization). */
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/* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld
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library with the proper functions to handle this -> collect2 will
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default to using nm. */
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#undef OBJECT_FORMAT_COFF
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#undef EXTENDED_COFF
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/* Assembler format: exception region output. */
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/* All configurations that don't use elf must be explicit about not using
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dwarf unwind information. */
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#ifdef INCOMING_RETURN_ADDR_RTX
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#undef DWARF2_UNWIND_INFO
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#define DWARF2_UNWIND_INFO 0
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#endif
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/* Assembler format: label output. */
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/* alpha ecoff supports only weak aliases. */
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#undef ASM_WEAKEN_LABEL
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#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0)
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#define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \
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do { \
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fputs ("\t.weakext\t", FILE); \
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assemble_name (FILE, NAME); \
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if (VALUE) \
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{ \
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fputs (" , ", FILE); \
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assemble_name (FILE, VALUE); \
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} \
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fputc ('\n', FILE); \
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} while (0)
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