/* Configuration file for an alpha 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. */ /* We settle for little endian for now. */ #define TARGET_ENDIAN_DEFAULT 0 #define OBSD_NO_DYNAMIC_LIBRARIES #define OBSD_HAS_DECLARE_FUNCTION_NAME #define OBSD_HAS_DECLARE_FUNCTION_SIZE #define OBSD_HAS_DECLARE_OBJECT /* alpha ecoff supports only weak aliases, see below. */ #define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0) #include <openbsd.h> /* 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. egcs doesn't try too hard to check internal configuration files... */ #ifdef INCOMING_RETURN_ADDR_RTX #undef DWARF2_UNWIND_INFO #define DWARF2_UNWIND_INFO 0 #endif /* Assembler format: file framework. */ /* Taken from alpha/osf.h. This used to be common to all alpha configurations, but elf has departed from it. Check alpha/alpha.h, alpha/osf.h for it when egcs is upgraded. */ #ifndef ASM_FILE_START #define ASM_FILE_START(FILE) \ { \ alpha_write_verstamp (FILE); \ fprintf (FILE, "\t.set noreorder\n"); \ fprintf (FILE, "\t.set volatile\n"); \ fprintf (FILE, "\t.set noat\n"); \ if (TARGET_SUPPORT_ARCH) \ fprintf (FILE, "\t.arch %s\n", \ TARGET_CPU_EV6 ? "ev6" \ : (TARGET_CPU_EV5 \ ? (TARGET_MAX ? "pca56" : TARGET_BWX ? "ev56" : "ev5") \ : "ev4")); \ \ ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \ } #endif /* Assembler format: label output. */ #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)