Mercurial > hg > CbC > CbC_gcc
diff gcc/config/m68k/uclinux.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | b7f97abdc517 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/m68k/uclinux.h Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,72 @@ +/* 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, 2007 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 3, 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 COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (68k uClinux)"); + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC \ +"%{mshared-library-id=0|!mshared-library-id=*: crt1.o%s ;: Scrt1.o%s} \ + crti.o%s crtbegin.o%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend.o%s crtn.o%s" + +/* 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:%{!static-libc:-R libc.gdb%s}} -lc" + +/* Default to using -elf2flt with no options. */ +#undef LINK_SPEC +#define LINK_SPEC \ +"%{!elf2flt*:-elf2flt} \ + %{mid-shared-library: \ + %{mshared-library-id=*:-shared-lib-id %*;:-shared-lib-id 0}}" + +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + LINUX_TARGET_OS_CPP_BUILTINS (); \ + builtin_define ("__uClinux__"); \ + if (TARGET_ID_SHARED_LIBRARY) \ + { \ + builtin_define ("__ID_SHARED_LIBRARY__"); \ + /* Shared libraries and executables do not share \ + typeinfo names. */ \ + builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \ + builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \ + } \ + } \ + while (0) + +/* -msep-data is the default PIC mode on this target. */ +#define DRIVER_SELF_SPECS \ + "%{fpie|fPIE|fpic|fPIC:%{!msep-data:%{!mid-shared-library: -msep-data}}}" + +/* The uclinux binary format relies on relocations against a segment being + within that segment. Conservatively apply this rule to individual + sections. */ +#undef M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P +#define M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1