Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / xtensa / linux.h

diff --git a/gcc/config/xtensa/linux.h b/gcc/config/xtensa/linux.h
index 9f63b7034499c092d5ff36032a76ad484684782c..69ab626b20114e319e5b0e0124a524d797fe460b 100644 (file)
--- a/gcc/config/xtensa/linux.h
+++ b/gcc/config/xtensa/linux.h
@@ -1,12 +1,13 @@
 /* Xtensa Linux configuration.
    Derived from the configuration for GCC for Intel i386 running Linux.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008
+   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 2, or (at your option) any later
+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
@@ -15,29 +16,34 @@ 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 COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
 
 #undef TARGET_VERSION
 #define TARGET_VERSION fputs (" (Xtensa GNU/Linux with ELF)", stderr);
 
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "long int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
 #undef ASM_SPEC
-#define ASM_SPEC "%{v} %{mno-density:--no-density} \
-                  %{mtext-section-literals:--text-section-literals} \
-                  %{mno-text-section-literals:--no-text-section-literals} \
-                 %{mtarget-align:--target-align} \
-                 %{mno-target-align:--no-target-align} \
-                 %{mlongcalls:--longcalls} \
-                 %{mno-longcalls:--no-longcalls}"
-
-#undef ASM_FINAL_SPEC
-
-#undef LIB_SPEC
-#define LIB_SPEC \
-  "%{shared: -lc} \
-   %{!shared: %{pthread:-lpthread} \
-   %{profile:-lc_p} %{!profile: -lc}}"
+#define ASM_SPEC \
+ "%{v} \
+  %{mtext-section-literals:--text-section-literals} \
+  %{mno-text-section-literals:--no-text-section-literals} \
+  %{mtarget-align:--target-align} \
+  %{mno-target-align:--no-target-align} \
+  %{mlongcalls:--longcalls} \
+  %{mno-longcalls:--no-longcalls}"
+
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
 
 #undef LINK_SPEC
 #define LINK_SPEC \
@@ -46,49 +52,14 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
     %{!ibcs: \
       %{!static: \
         %{rdynamic:-export-dynamic} \
-        %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
+        %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
       %{static:-static}}}"
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES \
- "-D__XTENSA__ -D__ELF__ -Acpu=xtensa -Amachine=xtensa \
-  -Dunix -D__gnu_linux__ -Dlinux -Asystem=posix"
-
 #undef LOCAL_LABEL_PREFIX
 #define LOCAL_LABEL_PREFIX     "."
 
-/* Don't switch sections in the middle of a literal pool! */
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE,RTX,ALIGN)
-
 /* Always enable "-fpic" for Xtensa Linux.  */
 #define XTENSA_ALWAYS_PIC 1
 
-/* Redefine the standard ELF version of ASM_DECLARE_FUNCTION_SIZE to
-   allow adding the ".end literal_prefix" directive at the end of the
-   function.  */
-#undef ASM_DECLARE_FUNCTION_SIZE
-#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)           \
-  do                                                           \
-    {                                                          \
-      if (!flag_inhibit_size_directive)                                \
-       {                                                       \
-         char label[256];                                      \
-         static int labelno;                                   \
-                                                               \
-         labelno++;                                            \
-                                                               \
-         ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno);  \
-         ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno);     \
-                                                               \
-         fprintf (FILE, "%s", SIZE_ASM_OP);                    \
-         assemble_name (FILE, (FNAME));                        \
-         fprintf (FILE, ",");                                  \
-         assemble_name (FILE, label);                          \
-         fprintf (FILE, "-");                                  \
-         assemble_name (FILE, (FNAME));                        \
-         putc ('\n', FILE);                                    \
-       }                                                       \
-      XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL);         \
-    }                                                          \
-  while (0)
+#define MD_UNWIND_SUPPORT "config/xtensa/linux-unwind.h"
+