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/* 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 ".section\t.init"
#undef FINI_SECTION_ASM_OP
#define FINI_SECTION_ASM_OP ".section\t.fini"
#undef EH_FRAME_SECTION_ASM_OP
#define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame"
/* Do I need this? */
#undef INVOKE__main
/* Get machine-independent configuration parameters for RTEMS. */
#include <rtems.h>
/* end of m68k/rtemself.h */
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