* libc/sys/arm/crt0.S: Synchronise with libgloss version.

	* libc/sys/arm/arm.h: Imported from libgloss.

1 files changed, 62 insertions, 0 deletions

diff --git a/newlib/libc/sys/arm/arm.h b/newlib/libc/sys/arm/arm.h
new file mode 100644
index 000000000..26a1ff110
--- /dev/null
+++ b/newlib/libc/sys/arm/arm.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2011 ARM Ltd
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the company may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LIBGLOSS_ARM_H
+#define _LIBGLOSS_ARM_H
+
+/* __thumb2__ stands for thumb on armva7(A/R/M/EM) architectures,
+   __ARM_ARCH_6M__ stands for armv6-M(thumb only) architecture,
+   __ARM_ARCH_7M__ stands for armv7-M(thumb only) architecture.
+   __ARM_ARCH_7EM__ stands for armv7e-M(thumb only) architecture.
+   There are some macro combinations used many times in libgloss/arm,
+   like (__thumb2__ || (__thumb__ && __ARM_ARCH_6M__)), so factor
+   it out and use THUMB_V7_V6M instead, which stands for thumb on
+   v6-m/v7 arch as the combination does.  */
+#if defined(__thumb2__) || (defined(__thumb__) && defined(__ARM_ARCH_6M__))
+# define THUMB_V7_V6M
+#endif
+
+/* The (__ARM_ARCH_7EM__ || __ARM_ARCH_7M__ || __ARM_ARCH_6M__) combination
+   stands for cortex-M profile architectures, which don't support ARM state.
+   Factor it out and use THUMB_V7M_V6M instead.  */
+#if defined(__ARM_ARCH_7M__)     \
+    || defined(__ARM_ARCH_7EM__) \
+    || defined(__ARM_ARCH_6M__)
+# define THUMB_V7M_V6M
+#endif
+
+/* Defined if this target supports the BLX Rm instruction.  */
+#if  !defined(__ARM_ARCH_2__)   \
+  && !defined(__ARM_ARCH_3__)	\
+  && !defined(__ARM_ARCH_3M__)	\
+  && !defined(__ARM_ARCH_4__)	\
+  && !defined(__ARM_ARCH_4T__)
+# define HAVE_CALL_INDIRECT
+#endif
+
+#endif /* _LIBGLOSS_ARM_H */