Imported gcc-4.4.3

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

diff --git a/gcc/config/arm/uclinux-eabi.h b/gcc/config/arm/uclinux-eabi.h
new file mode 100644 (file)
index 0000000..4455288
--- /dev/null
+++ b/gcc/config/arm/uclinux-eabi.h
@@ -0,0 +1,66 @@
+/* Definitions for ARM EABI ucLinux
+   Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by Paul Brook <paul@codesourcery.com>
+
+   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/>.  */
+
+/* Override settings that are different to the uclinux-elf or
+   bpabi defaults.  */
+
+#undef  TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE | MASK_INTERWORK)
+
+/* On EABI GNU/Linux, we want both the BPABI builtins and the
+   GNU/Linux builtins.  */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()               \
+  do                                           \
+    {                                          \
+      TARGET_BPABI_CPP_BUILTINS();             \
+      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)
+
+#undef SUBTARGET_EXTRA_LINK_SPEC
+#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi -elf2flt" \
+  " --pic-veneer --target2=abs"
+
+/* We default to the "aapcs-linux" ABI so that enums are int-sized by
+   default.  */
+#undef ARM_DEFAULT_ABI
+#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
+
+/* Clear the instruction cache from `beg' to `end'.  This makes an
+   inline system call to SYS_cacheflush.  */
+#undef CLEAR_INSN_CACHE
+#define CLEAR_INSN_CACHE(BEG, END)                                     \
+{                                                                      \
+  register unsigned long _beg __asm ("a1") = (unsigned long) (BEG);    \
+  register unsigned long _end __asm ("a2") = (unsigned long) (END);    \
+  register unsigned long _flg __asm ("a3") = 0;                                \
+  register unsigned long _scno __asm ("r7") = 0xf0002;                 \
+  __asm __volatile ("swi 0x0           @ sys_cacheflush"               \
+                   : "=r" (_beg)                                       \
+                   : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \
+}
+