OSDN Git Service

2008-05-03 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / vxworks.h
index 5ded098..fe56300 100644 (file)
@@ -1,11 +1,12 @@
-/* Definitions of target machine for GCC.  VxWorks i586 version.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+/* IA32 VxWorks target definitions for GNU compiler.
+   Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Updated 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 2, or (at your option)
+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,
@@ -14,61 +15,64 @@ 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 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 HANDLE_SYSV_PRAGMA 1
 
 #undef  TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (80586, VxWorks syntax)");
 
-/* Prefix for internally generated assembler labels.  If we aren't using
-   underscores, we are using prefix `.'s to identify labels that should
-   be ignored, as in `i386/gas.h' --karl@cs.umb.edu  */
-
-#define LPREFIX "L"
-
-/* Assembler pseudos to introduce constants of various size.  */
-
-#define ASM_SHORT "\t.word\t"
-#define ASM_LONG "\t.long\t"
-#define ASM_QUAD "\t.quad\t"  /* Should not be used for 32bit compilation.  */
-
-
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
-  if ((LOG)!=0) fprintf ((FILE), "\t.balign %d\n", 1<<(LOG))
-
 #undef  ASM_SPEC
-#define ASM_SPEC "%{v:-V} %{Qy:} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
-
-#define TARGET_OS_CPP_BUILTINS()                        \
-  do                                                    \
-    {                                                   \
-      builtin_define ("__vxworks");                     \
-      builtin_assert ("system=unix");                   \
-                                                        \
-      if (TARGET_386)                                   \
-        builtin_define ("CPU=I80386");                  \
-      else if (TARGET_486)                              \
-        builtin_define ("CPU=I80486");                  \
-      else if (TARGET_PENTIUM)                          \
-        {                                               \
-          builtin_define ("CPU=PENTIUM");               \
-          builtin_define ("CPU_VARIANT=PENTIUM");       \
-        }                                               \
-      else if (TARGET_PENTIUMPRO)                       \
-        {                                               \
-          builtin_define ("CPU=PENTIUM2");               \
-          builtin_define ("CPU_VARIANT=PENTIUMPRO");    \
-        }                                               \
-      else if (TARGET_PENTIUM4)                       \
-        {                                               \
-          builtin_define ("CPU=PENTIUM4");               \
-          builtin_define ("CPU_VARIANT=PENTIUM4");    \
-        }                                               \
-    }                                                   \
+#define ASM_SPEC "%{v:-v} %{Qy:} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
+
+#define TARGET_OS_CPP_BUILTINS()                       \
+  do                                                   \
+    {                                                  \
+      VXWORKS_OS_CPP_BUILTINS ();                      \
+      if (TARGET_386)                                  \
+        builtin_define ("CPU=I80386");                 \
+      else if (TARGET_486)                             \
+        builtin_define ("CPU=I80486");                 \
+      else if (TARGET_PENTIUM)                         \
+        {                                              \
+          builtin_define ("CPU=PENTIUM");              \
+          builtin_define ("CPU_VARIANT=PENTIUM");      \
+        }                                              \
+      else if (TARGET_PENTIUMPRO)                      \
+        {                                              \
+          builtin_define ("CPU=PENTIUM2");             \
+          builtin_define ("CPU_VARIANT=PENTIUMPRO");   \
+        }                                              \
+      else if (TARGET_PENTIUM4)                                \
+        {                                              \
+          builtin_define ("CPU=PENTIUM4");             \
+          builtin_define ("CPU_VARIANT=PENTIUM4");     \
+        }                                              \
+    }                                                  \
   while (0)
 
-
+#undef  CPP_SPEC
+#define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
+#undef  LIB_SPEC
+#define LIB_SPEC VXWORKS_LIB_SPEC
+#undef  STARTFILE_SPEC
+#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
+#undef  LINK_SPEC
+#define LINK_SPEC VXWORKS_LINK_SPEC
+
+#undef  SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
+
+/* No _mcount profiling on VxWorks.  */
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO)
+
+/* We cannot use PC-relative accesses for VxWorks PIC because there is no
+   fixed gap between segments.  */
+#undef ASM_PREFERRED_EH_DATA_FORMAT