Viewing file:  uclinux.h (2.37 KB) -rw-r--r--
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/* 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) 2003-2022 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 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.cc. We don't currently support
profiling, or libg.a. */
#undef LIB_SPEC
#define LIB_SPEC \
"%{mid-shared-library:%{!static-libc:-R libc.gdb%s}} %{pthread:-lpthread} -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 \
{ \
GNU_USER_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_OR_FPIC_SPEC ":%{!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
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