Add gcc-4.6. Synced to @180989

Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile

1 files changed, 101 insertions, 0 deletions

diff --git a/gcc-4.6/gcc/config/mips/openbsd.h b/gcc-4.6/gcc/config/mips/openbsd.h
new file mode 100644
index 000000000..a392ca470
--- /dev/null
+++ b/gcc-4.6/gcc/config/mips/openbsd.h
@@ -0,0 +1,101 @@
+/* Configuration for  a MIPS ABI32 OpenBSD target.
+   Copyright (C) 1999, 2003, 2004, 2007, 2008, 2009, 2010, 2011
+   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/>.  */
+
+/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'.  */
+
+/* GAS must know this.  */
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
+
+/* CPP specific OpenBSD specs.  */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
+
+/* Needed for ELF (inspired by netbsd-elf).  */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX	"."
+
+/* The profiling lib spec here is not really correct but we leave
+   it as it is until we have some kind of profiling working.  */
+#define LIB_SPEC OBSD_LIB_SPEC
+
+/* mips assembler uses .set for arcane purposes.  __attribute__((alias))
+   and friends won't work until we get recent binutils with .weakext
+	support.  */
+#undef SET_ASM_OP
+
+#define TARGET_OS_CPP_BUILTINS()			\
+    do {						\
+	builtin_define ("__unix__");			\
+	builtin_define ("__SYSTYPE_BSD__");		\
+	builtin_define ("__NO_LEADING_UNDERSCORES__");	\
+	builtin_define ("__GP_SUPPORT__");		\
+	builtin_define ("__OpenBSD__");			\
+	builtin_assert ("system=unix");			\
+	builtin_assert ("system=OpenBSD");		\
+} while (0)
+
+/* Layout of source language data types.  */
+
+/* This must agree with <machine/ansi.h>.  */
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"
+
+/* Controlling the compilation driver.  */
+
+/* LINK_SPEC appropriate for OpenBSD:  support for GCC options
+   -static, -assert, and -nostdlib. Dynamic loader control.  */
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
+   %{shared} \
+   %{!shared: -non_shared} \
+   -dynamic-linker /usr/libexec/ld.so \
+   %{!nostdlib:%{!r:%{!e*:-e __start}}} -dc -dp \
+   %{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
+
+/* -G is incompatible with -KPIC which is the default, so only allow objects
+   in the small data section if the user explicitly asks for it.  */
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
+
+
+/* Since gas and gld are standard on OpenBSD, we don't need these.  */
+#undef ASM_FINAL_SPEC
+#undef STARTFILE_SPEC
+
+/* Switch into a generic section.  */
+#undef TARGET_ASM_NAMED_SECTION
+#define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
+
+/* MIPS specific debugging info */
+#define MIPS_DEBUGGING_INFO 1