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Diffstat (limited to 'gcc/config/m68k/uclinux.h')
| -rw-r--r-- | gcc/config/m68k/uclinux.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/config/m68k/uclinux.h b/gcc/config/m68k/uclinux.h new file mode 100644 index 0000000..0231539 --- /dev/null +++ b/gcc/config/m68k/uclinux.h @@ -0,0 +1,63 @@ +/* Definitions of target machine for GCC. m68k/ColdFire based uClinux system + using ELF objects with special linker post-processing to produce FLAT + executables. + + Copyright (C) 2003 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC 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. + +GCC 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 GCC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +/* Undo the definition of STARTFILE_SPEC from m68kelf.h so we'll + pick the default from gcc.c (just link crt0.o from multilib dir). */ +#undef STARTFILE_SPEC + +/* Override the default LIB_SPEC from gcc.c. We don't currently support + profiling, or libg.a. */ +#undef LIB_SPEC +#define LIB_SPEC "\ +%{mid-shared-library:-R libc.gdb%s} -lc \ +" + +/* we don't want a .eh_frame section. */ +#define EH_FRAME_IN_DATA_SECTION + +/* ??? Quick hack to get constructors working. Make this look more like a + COFF target, so the existing dejagnu/libgloss support works. A better + solution would be to make the necessary dejagnu and libgloss changes so + that we can use normal the ELF constructor mechanism. */ +#undef INIT_SECTION_ASM_OP +#undef FINI_SECTION_ASM_OP +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "" + +/* Bring in standard linux defines */ +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define_std ("mc68000"); \ + builtin_define ("__uClinux__"); \ + builtin_define_std ("linux"); \ + builtin_define_std ("unix"); \ + builtin_define ("__gnu_linux__"); \ + builtin_assert ("system=posix"); \ + if (TARGET_ID_SHARED_LIBRARY) \ + builtin_define ("__ID_SHARED_LIBRARY__"); \ + } \ + while (0) + |