/* Configuration file for an alpha OpenBSD target. Copyright (C) 1999, 2003 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 2, 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 COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* 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)