d147663589
* configure.in (m68k-*-rtemscoff*): Added.
* configure.in (mips64orion-*-rtems*): Converted to ELF.
* configure.in (sparc-*-rtemsaout*): Added as alias for old
sparc-rtems configuration.
* configure.in (sparc-*-rtemself*): Added.
* configure.in (sparc-*-rtems*): Now ELF not a.out.
* config/i386/rtems.h: Added comment.
* config/sparc/rtemself.h: New file.
* configure.in (m68k-rtemself): Added.
* config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
and DWARF_DEBUGGING_INFO.
* config/m68k/crti.s: New file.
* config/m68k/crtn.s: New file.
* config/m68k/t-crtstuff: New file.
* config/m68k/rtemself.h: New file.
* configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
global ctor/dtor and C++ exception handling.
* config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
ENDFILE_SPEC.
* config/i386/t-rtems-i386: New File.
Co-Authored-By: Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
Co-Authored-By: Rosimildo DaSilva <rdasilva@connecttel.com>
From-SVN: r29401
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* Definitions for rtems targeting a Motorola m68k using elf.
|
|
Copyright (C) 1999, 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
|
|
|
|
|