| /* 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 |
| |
| #include <alpha/alpha.h> |
| |
| #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 CPP_PREDEFINES "-D__unix__ -D__ANSI_COMPAT -Asystem=unix \ |
| -D__OpenBSD__ -D__alpha__ -D__alpha" |
| |
| /* 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) |
| |
| |