/* Definitions of target machine for GCC. m68k/ColdFire based uClinux system
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/* 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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using ELF objects with special linker post-processing to produce FLAT
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executables.
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executables.
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Copyright (C) 2003, 2007 Free Software Foundation, Inc.
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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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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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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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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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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#undef TARGET_VERSION
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (68k uClinux)");
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#define TARGET_VERSION fprintf (stderr, " (68k uClinux)");
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#undef STARTFILE_SPEC
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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#define STARTFILE_SPEC \
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"%{mshared-library-id=0|!mshared-library-id=*: crt1.o%s ;: Scrt1.o%s} \
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"%{mshared-library-id=0|!mshared-library-id=*: crt1.o%s ;: Scrt1.o%s} \
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crti.o%s crtbegin.o%s"
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crti.o%s crtbegin.o%s"
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#undef ENDFILE_SPEC
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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/* Override the default LIB_SPEC from gcc.c. We don't currently support
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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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profiling, or libg.a. */
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#undef LIB_SPEC
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#undef LIB_SPEC
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#define LIB_SPEC \
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#define LIB_SPEC \
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"%{mid-shared-library:%{!static-libc:-R libc.gdb%s}} -lc"
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"%{mid-shared-library:%{!static-libc:-R libc.gdb%s}} -lc"
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/* Default to using -elf2flt with no options. */
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/* Default to using -elf2flt with no options. */
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#undef LINK_SPEC
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#undef LINK_SPEC
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#define LINK_SPEC \
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#define LINK_SPEC \
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"%{!elf2flt*:-elf2flt} \
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"%{!elf2flt*:-elf2flt} \
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%{mid-shared-library: \
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%{mid-shared-library: \
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%{mshared-library-id=*:-shared-lib-id %*;:-shared-lib-id 0}}"
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%{mshared-library-id=*:-shared-lib-id %*;:-shared-lib-id 0}}"
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#undef TARGET_OS_CPP_BUILTINS
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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do \
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{ \
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{ \
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LINUX_TARGET_OS_CPP_BUILTINS (); \
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LINUX_TARGET_OS_CPP_BUILTINS (); \
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builtin_define ("__uClinux__"); \
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builtin_define ("__uClinux__"); \
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if (TARGET_ID_SHARED_LIBRARY) \
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if (TARGET_ID_SHARED_LIBRARY) \
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{ \
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{ \
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builtin_define ("__ID_SHARED_LIBRARY__"); \
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builtin_define ("__ID_SHARED_LIBRARY__"); \
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/* Shared libraries and executables do not share \
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/* Shared libraries and executables do not share \
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typeinfo names. */ \
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typeinfo names. */ \
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builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \
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builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \
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builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
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builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
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} \
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} \
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} \
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} \
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while (0)
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while (0)
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/* -msep-data is the default PIC mode on this target. */
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/* -msep-data is the default PIC mode on this target. */
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#define DRIVER_SELF_SPECS \
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#define DRIVER_SELF_SPECS \
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"%{fpie|fPIE|fpic|fPIC:%{!msep-data:%{!mid-shared-library: -msep-data}}}"
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"%{fpie|fPIE|fpic|fPIC:%{!msep-data:%{!mid-shared-library: -msep-data}}}"
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/* The uclinux binary format relies on relocations against a segment being
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/* The uclinux binary format relies on relocations against a segment being
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within that segment. Conservatively apply this rule to individual
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within that segment. Conservatively apply this rule to individual
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sections. */
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sections. */
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#undef M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P
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#undef M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P
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#define M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1
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#define M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1
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