Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / m68k / uclinux.h

diff --git a/gcc/config/m68k/uclinux.h b/gcc/config/m68k/uclinux.h
new file mode 100644 (file)
index 0000000..835c443
--- /dev/null
+++ b/gcc/config/m68k/uclinux.h
@@ -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