Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / vx-common.h

diff --git a/gcc/config/vx-common.h b/gcc/config/vx-common.h
new file mode 100644 (file)
index 0000000..6a6d109
--- /dev/null
+++ b/gcc/config/vx-common.h
@@ -0,0 +1,94 @@
+/* Target-independent configuration for VxWorks and VxWorks AE.   
+   Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by CodeSourcery, LLC.
+
+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/>.  */
+
+/* VxWorks headers are C++-aware.  */
+#undef  NO_IMPLICIT_EXTERN_C
+#define NO_IMPLICIT_EXTERN_C
+
+/* Most of these will probably be overridden by subsequent headers.  We
+   undefine them here just in case, and define VXWORKS_ versions of each,
+   to be used in port-specific vxworks.h.  */
+#undef LIB_SPEC
+#undef LINK_SPEC
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC VXWORKS_LIBGCC_SPEC
+#undef STARTFILE_SPEC
+#undef ENDFILE_SPEC
+
+/* Most of these macros are overridden in "config/vxworks.h" or
+   "config/vxworksae.h" and are here merely for documentation
+   purposes.  */
+#define VXWORKS_ADDITIONAL_CPP_SPEC ""
+#define        VXWORKS_LIB_SPEC ""
+#define VXWORKS_LINK_SPEC ""
+#define VXWORKS_LIBGCC_SPEC ""
+#define        VXWORKS_STARTFILE_SPEC ""
+#define VXWORKS_ENDFILE_SPEC ""
+
+/* VxWorks cannot have dots in constructor labels, because it uses a
+   mutant variation of collect2 that generates C code instead of
+   assembly.  Thus each constructor label must be a legitimate C
+   symbol.  FIXME: Have VxWorks use real collect2 instead.  */
+#undef NO_DOLLAR_IN_LABEL
+#define NO_DOT_IN_LABEL
+
+/* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures.  */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "short unsigned int"
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 16
+
+/* Likewise wint_t.  */
+#undef WINT_TYPE
+#define WINT_TYPE "short unsigned int"
+#undef WINT_TYPE_SIZE
+#define WINT_TYPE_SIZE 16
+
+/* Dwarf2 unwind info is not supported.  */
+#undef DWARF2_UNWIND_INFO
+#define DWARF2_UNWIND_INFO 0
+
+/* VxWorks uses DWARF2.  */
+#define DWARF2_DEBUGGING_INFO 1
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+/* None of these other formats is supported.  */
+#undef DWARF_DEBUGGING_INFO
+#undef DBX_DEBUGGING_INFO
+#undef SDB_DEBUGGING_INFO
+#undef XCOFF_DEBUGGING_INFO
+#undef VMS_DEBUGGING_INFO
+
+/* Kernel mode doesn't have ctors/dtors, but RTP mode does.  */
+#define TARGET_HAVE_CTORS_DTORS false
+#define VXWORKS_OVERRIDE_OPTIONS /* empty */
+
+/* No math library needed.  */
+#define MATH_LIBRARY ""
+
+/* No profiling.  */
+#define VXWORKS_FUNCTION_PROFILER(FILE, LABELNO) do    \
+{                                                      \
+  sorry ("profiler support for VxWorks");              \
+} while (0)
+
+/* We occasionally need to distinguish between the VxWorks variants.  */
+#define VXWORKS_KIND_NORMAL  1
+#define VXWORKS_KIND_AE      2