Merge basic-improvements-branch to trunk

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60174 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 65 insertions, 0 deletions

diff --git a/gcc/config/vxworks.h b/gcc/config/vxworks.h
new file mode 100644
index 00000000000..75aae79d68e
--- /dev/null
+++ b/gcc/config/vxworks.h
@@ -0,0 +1,65 @@
+/* Common VxWorks target definitions for GNU compiler.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   Contributed by Wind River Systems.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Specify what to link with.  */
+/* VxWorks does all the library stuff itself.  */
+#undef	LIB_SPEC
+#define	LIB_SPEC ""
+
+#undef LINK_SPEC
+#define LINK_SPEC "-r"
+
+/* VxWorks provides the functionality of crt0.o and friends itself.  */
+#undef  STARTFILE_SPEC
+#define	STARTFILE_SPEC ""
+
+#undef ENDFILE_SPEC
+#define 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
+
+/* enable #pragma pack(n) */
+#define HANDLE_SYSV_PRAGMA
+
+/* No underscore is prepended to any C symbol name.  */
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+
+/* 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
+
+/* Dwarf2 unwind info is not supported.  */
+#define DWARF2_UNWIND_INFO 0
+/* Weak symbols and link-once sections are not enabled by default.  */
+#define DEFAULT_USE_WEAK 0
+
+/* Only supported debug format is Dwarf2.  */
+#undef DBX_DEBUGGING_INFO
+#undef DWARF_DEBUGGING_INFO