71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* Definitions of target machine for GCC. m68k/ColdFire based uClinux system
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using ELF objects with special linker post-processing to produce FLAT
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executables.
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Copyright (C) 2003, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* The old uClinux ABI used 80-byte "long double"s for ColdFire too. */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 80
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 80
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/* Undo the definition of STARTFILE_SPEC from m68kelf.h so we'll
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pick the default from gcc.c (just link crt0.o from multilib dir). */
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#undef STARTFILE_SPEC
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/* Override the default LIB_SPEC from gcc.c. We don't currently support
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profiling, or libg.a. */
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#undef LIB_SPEC
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#define LIB_SPEC "\
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%{mid-shared-library:-R libc.gdb%s -elf2flt -shared-lib-id 0} -lc \
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"
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/* we don't want a .eh_frame section. */
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#define EH_FRAME_IN_DATA_SECTION
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/* ??? Quick hack to get constructors working. Make this look more like a
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COFF target, so the existing dejagnu/libgloss support works. A better
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solution would be to make the necessary dejagnu and libgloss changes so
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that we can use normal the ELF constructor mechanism. */
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#undef INIT_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC ""
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/* Bring in standard linux defines */
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("mc68000"); \
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builtin_define ("__uClinux__"); \
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builtin_define_std ("linux"); \
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builtin_define_std ("unix"); \
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builtin_define ("__gnu_linux__"); \
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builtin_assert ("system=linux"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=posix"); \
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if (TARGET_ID_SHARED_LIBRARY) \
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builtin_define ("__ID_SHARED_LIBRARY__"); \
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} \
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while (0)
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