| /* Definitions for rtems targeting a Motorola m68k using elf. |
| Copyright (C) 1999, 2000, National Research Council of Canada. |
| Contributed by Charles-Antoine Gauthier (charles.gauthier@nrc.ca). |
| |
| 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. */ |
| |
| |
| #define MOTOROLA /* Use Motorola syntax rather than MIT. */ |
| |
| #include "m68k/m68020-elf.h" |
| |
| /* Specify predefined symbols in preprocessor. */ |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-Dmc68000 -Drtems -D__rtems__ -D__ELF__ \ |
| -Asystem=rtems -Acpu=mc68000 -Acpu=m68k -Amachine=m68k" |
| |
| /* Generate calls to memcpy, memcmp and memset. */ |
| #ifndef TARGET_MEM_FUNCTIONS |
| #define TARGET_MEM_FUNCTIONS |
| #endif |
| |
| /* |
| * Each RTEMS BSP provides its own crt0 and linker script. Unfortunately |
| * this means that crt0 and the linker script are not available as |
| * each tool is configured. Without a crt0 and linker script, m68k ELF |
| * targets do not successfully link "conftest.c" during the configuration |
| * process. RTEMS supplies a crt0.c that provides all the symbols required |
| * to successfully link a program. The resulting program will not run |
| * but this is enough to satisfy the autoconf macro AC_PROG_CC. |
| * Override STARTFILE_SPEC to use the fake crt0.o supplied by rtems. |
| */ |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "crt0.o%s" |
| |
| /* |
| * Redefine INIT_SECTION_ASM_OP and FINI_SECTION_ASM_OP. This is the easiest |
| * way to process constructors, destructors, and the exception frame |
| * information at startup. |
| */ |
| #undef INIT_SECTION_ASM_OP |
| #define INIT_SECTION_ASM_OP "\t.section\t.init" |
| #undef FINI_SECTION_ASM_OP |
| #define FINI_SECTION_ASM_OP "\t.section\t.fini" |
| |
| /* Do I need this? */ |
| #undef INVOKE__main |
| |
| /* Get machine-independent configuration parameters for RTEMS. */ |
| #include <rtems.h> |
| |
| /* end of m68k/rtemself.h */ |
