Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / arm / uclinux-elf.h

diff --git a/gcc/config/arm/uclinux-elf.h b/gcc/config/arm/uclinux-elf.h
index cad61b70bd4fceafc6d8e8e72361471aa39c4364..50fd7658096e5e947ebbb6c8046b6613fe0d4946 100644 (file)
--- a/gcc/config/arm/uclinux-elf.h
+++ b/gcc/config/arm/uclinux-elf.h
@@ -1,23 +1,23 @@
 /* Definitions for ARM running ucLinux using ELF
-   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001, 2004, 2005, 2007, 2008
+   Free Software Foundation, Inc.
    Contributed by Philip Blundell <pb@nexus.co.uk>
 
-This file is part of GNU CC.
+   This file is part of GCC.
 
-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.
+   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.
 
-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.
+   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 this program; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+   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/>.  */
 
 /* We don't want a PLT.  */
 #undef  NEED_PLT_RELOC
@@ -27,4 +27,62 @@ Boston, MA 02111-1307, USA.  */
 #define TARGET_VERSION fputs (" (ARM/ELF ucLinux)", stderr);
 
 #undef  TARGET_DEFAULT
-#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_MMU_TRAPS | ARM_FLAG_SINGLE_PIC_BASE)
+#define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE)
+
+/* NOTE: The remaining definitions in this file are needed because uclinux
+   does not use config/linux.h.  */
+
+/* Add GNU/Linux builtins.  */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()               \
+  do                                           \
+    {                                          \
+      builtin_define ("__uClinux__");          \
+      builtin_define ("__gnu_linux__");         \
+      builtin_define_std ("linux");             \
+      builtin_define_std ("unix");              \
+      builtin_assert ("system=linux");          \
+      builtin_assert ("system=unix");           \
+      builtin_assert ("system=posix");          \
+    }                                          \
+  while (false)
+
+/* Do not assume anything about header files.  */
+#define NO_IMPLICIT_EXTERN_C
+
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+
+#undef SUBTARGET_EXTRA_LINK_SPEC
+#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux"
+
+/* Now we define the strings used to build the spec file.  */
+#undef  STARTFILE_SPEC
+#define STARTFILE_SPEC "crt1%O%s crti%O%s crtbegin%O%s"
+
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC   "crtend%O%s crtn%O%s"
+
+#undef  CC1_SPEC
+#define CC1_SPEC "%{profile:-p}"
+
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* Use --as-needed -lgcc_s for eh support.  */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
+#endif
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X -elf2flt"
+
+#undef  LIB_SPEC
+#define LIB_SPEC \
+  "%{pthread:-lpthread} \
+   %{shared:-lc} \
+   %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
+
+#define TARGET_DEFAULT_WORD_RELOCATIONS 1