Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / arm / vxworks.h

diff --git a/gcc/config/arm/vxworks.h b/gcc/config/arm/vxworks.h
new file mode 100644 (file)
index 0000000..8879fed
--- /dev/null
+++ b/gcc/config/arm/vxworks.h
@@ -0,0 +1,119 @@
+/* Definitions of target machine for GCC,
+   for ARM with targetting the VXWorks run time environment. 
+   Copyright (C) 1999, 2000, 2003, 2004, 2007, 2008
+   Free Software Foundation, Inc.
+
+   Contributed by: Mike Stump <mrs@wrs.com>
+   Brought up to date 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/>.  */
+
+
+#define TARGET_OS_CPP_BUILTINS()               \
+  do {                                         \
+    if (TARGET_BIG_END)                                \
+      builtin_define ("ARMEB");                        \
+    else                                       \
+      builtin_define ("ARMEL");                        \
+                                               \
+    if (arm_arch_xscale)                       \
+      builtin_define ("CPU=XSCALE");           \
+    else if (arm_arch5)                                \
+      builtin_define ("CPU=ARMARCH5");         \
+    else if (arm_arch4)                                \
+      {                                                \
+       if (thumb_code)                         \
+         builtin_define ("CPU=ARMARCH4_T");    \
+       else                                    \
+         builtin_define ("CPU=ARMARCH4");      \
+      }                                                \
+    VXWORKS_OS_CPP_BUILTINS ();                        \
+  } while (0)
+
+#undef OVERRIDE_OPTIONS
+#define OVERRIDE_OPTIONS                       \
+  do                                           \
+    {                                          \
+      VXWORKS_OVERRIDE_OPTIONS;                        \
+      arm_override_options ();                 \
+    }                                          \
+  while (0)
+
+/* Subsume the arm/elf.h definition, and add RTP hooks.  */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "-D__ELF__" VXWORKS_ADDITIONAL_CPP_SPEC
+
+#undef  CC1_SPEC
+#define CC1_SPEC                                                       \
+"%{tstrongarm:-mlittle-endian -mcpu=strongarm ;                                \
+   t4:        -mlittle-endian -march=armv4 ;                           \
+   t4be:      -mbig-endian -march=armv4 ;                              \
+   t4t:       -mthumb -mthumb-interwork -mlittle-endian -march=armv4t ;        \
+   t4tbe:     -mthumb -mthumb-interwork -mbig-endian -march=armv4t ;   \
+   t5:        -mlittle-endian -march=armv5 ;                           \
+   t5be:      -mbig-endian -march=armv5 ;                              \
+   t5t:       -mthumb -mthumb-interwork -mlittle-endian -march=armv5 ; \
+   t5tbe:     -mthumb -mthumb-interwork -mbig-endian -march=armv5 ;    \
+   txscale:   -mlittle-endian -mcpu=xscale ;                           \
+   txscalebe: -mbig-endian -mcpu=xscale ;                              \
+            : -march=armv4}"
+
+/* Pass -EB for big-endian targets.  */
+#define VXWORKS_ENDIAN_SPEC \
+  "%{mbig-endian|t4be|t4tbe|t5be|t5tbe|txscalebe:-EB}"
+
+#undef SUBTARGET_EXTRA_ASM_SPEC
+#define SUBTARGET_EXTRA_ASM_SPEC VXWORKS_ENDIAN_SPEC
+
+#undef LINK_SPEC
+#define LINK_SPEC VXWORKS_LINK_SPEC " " VXWORKS_ENDIAN_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 TARGET_VERSION
+#define TARGET_VERSION fputs (" (ARM/VxWorks)", stderr);
+
+/* There is no default multilib.  */
+#undef MULTILIB_DEFAULTS
+
+#define FPUTYPE_DEFAULT FPUTYPE_VFP
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER
+
+/* We want to be compatible with a version of "2.96" at one point in
+   the past before this macro was changed.  */
+#undef DEFAULT_STRUCTURE_SIZE_BOUNDARY
+#define DEFAULT_STRUCTURE_SIZE_BOUNDARY 8
+
+/* The kernel loader does not allow relocations to overflow, so we
+   cannot allow arbitrary relocation addends in kernel modules or RTP
+   executables.  Also, the dynamic loader uses the resolved relocation
+   value to distinguish references to the text and data segments, so we
+   cannot allow arbitrary offsets for shared libraries either.  */
+#undef ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P
+#define ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1
+
+#undef TARGET_DEFAULT_WORD_RELOCATIONS
+#define TARGET_DEFAULT_WORD_RELOCATIONS 1