127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* Configuration file for an alpha OpenBSD target.
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC 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 2, or (at your option)
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any later version.
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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* We settle for little endian for now. */
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#define TARGET_ENDIAN_DEFAULT 0
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#include <alpha/alpha.h>
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#define OBSD_NO_DYNAMIC_LIBRARIES
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#define OBSD_HAS_DECLARE_FUNCTION_NAME
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#define OBSD_HAS_DECLARE_FUNCTION_SIZE
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#define OBSD_HAS_DECLARE_OBJECT
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/* alpha ecoff supports only weak aliases, see below. */
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#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0)
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#include <openbsd.h>
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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 CPP_PREDEFINES "-D__unix__ -D__ANSI_COMPAT -Asystem=unix \
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-D__OpenBSD__ -D__alpha__ -D__alpha"
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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. egcs doesn't try too hard to check internal
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configuration files... */
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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: file framework. */
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/* Taken from alpha/osf.h. This used to be common to all alpha
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configurations, but elf has departed from it.
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Check alpha/alpha.h, alpha/osf.h for it when egcs is upgraded. */
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#ifndef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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{ \
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alpha_write_verstamp (FILE); \
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fprintf (FILE, "\t.set noreorder\n"); \
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fprintf (FILE, "\t.set volatile\n"); \
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fprintf (FILE, "\t.set noat\n"); \
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if (TARGET_SUPPORT_ARCH) \
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fprintf (FILE, "\t.arch %s\n", \
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TARGET_CPU_EV6 ? "ev6" \
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: (TARGET_CPU_EV5 \
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? (TARGET_MAX ? "pca56" : TARGET_BWX ? "ev56" : "ev5") \
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: "ev4")); \
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\
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ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \
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}
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#endif
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/* Assembler format: label output. */
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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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