diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config.gcc | 6 | ||||
| -rw-r--r-- | gcc/config/m68k/t-uclinux | 24 | ||||
| -rw-r--r-- | gcc/config/m68k/uclinux.h | 63 |
4 files changed, 99 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5daf7a0..e8a4ab6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-10-11 Bernardo Innocenti <bernie@develer.com> + + * config/m68k/t-uclinux: New target Makefile fragment. + * config/m68k/uclinux.h: New target macro file. + * config.gcc (m68k-*-uclinux): New target definition. + 2003-10-10 Roger Sayle <roger@eyesopen.com> * builtins.c (builtin_mathfn_code): Generalize to check whether diff --git a/gcc/config.gcc b/gcc/config.gcc index c3e54a4..3a51b08 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1323,6 +1323,12 @@ m68k-*-sysv4*) # Motorola m68k's running system V.4 extra_parts="crtbegin.o crtend.o" use_fixproto=yes ;; +m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc + tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/uclinux.h" + tm_defines="MOTOROLA USE_GAS" + tmake_file=m68k/t-uclinux + use_fixproto=no + ;; m68k-*-linux*) # Motorola m68k's running GNU/Linux # with ELF format using glibc 2 # aka the GNU/Linux C library 6. diff --git a/gcc/config/m68k/t-uclinux b/gcc/config/m68k/t-uclinux new file mode 100644 index 0000000..8d864bf --- /dev/null +++ b/gcc/config/m68k/t-uclinux @@ -0,0 +1,24 @@ +LIB1ASMSRC = m68k/lb1sf68.asm +LIB1ASMFUNCS = _mulsi3 _udivsi3 _divsi3 _umodsi3 _modsi3 \ + _double _float _floatex \ + _eqdf2 _nedf2 _gtdf2 _gedf2 _ltdf2 _ledf2 \ + _eqsf2 _nesf2 _gtsf2 _gesf2 _ltsf2 _lesf2 + +LIB2FUNCS_EXTRA = fpgnulib.c xfgnulib.c + +fpgnulib.c: $(srcdir)/config/m68k/fpgnulib.c + cp $(srcdir)/config/m68k/fpgnulib.c fpgnulib.c +xfgnulib.c: $(srcdir)/config/m68k/fpgnulib.c + echo '#define EXTFLOAT' > xfgnulib.c + cat $(srcdir)/config/m68k/fpgnulib.c >> xfgnulib.c + +MULTILIB_OPTIONS = m68000/m5200/m5206e/m528x/m5307/m5407/mcpu32 msep-data/mid-shared-library +MULTILIB_DIRNAMES = +MULTILIB_MATCHES = m68000=mc68000 m68000=m68302 mcpu32=m68332 m5206e=m5272 +MULTILIB_EXCEPTIONS = m68000/msep-data* m68000/mid-shared-library* msep-data* mid-shared-library* + +LIBGCC = stmp-multilib +INSTALL_LIBGCC = install-multilib + +# We don't use crtbegin.o and crtend.o +EXTRA_PARTS= 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) + |