Import NetBSD libexecinfo 20130822 to contrib

1 files changed, 61 insertions, 0 deletions

diff --git a/contrib/libexecinfo/unwind_arm_ehabi_stub.c b/contrib/libexecinfo/unwind_arm_ehabi_stub.c
new file mode 100644
index 0000000..6fe9716
--- /dev/null
+++ b/contrib/libexecinfo/unwind_arm_ehabi_stub.c
@@ -0,0 +1,61 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 THE FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include "unwind.h"
+
+void _Unwind_VRS_Get(struct _Unwind_Context *, int, _Unwind_Word, int, void *);
+void _Unwind_VRS_Set(struct _Unwind_Context *, int, _Unwind_Word, int, void *);
+
+_Unwind_Word
+_Unwind_GetGR(struct _Unwind_Context *context, int regno)
+{
+	_Unwind_Word val;
+	_Unwind_VRS_Get(context, 0 /*_UVRSC_CORE*/, regno, 0 /*_UVRSD_UINT32*/,
+	    &val);
+
+	return val;
+}
+
+_Unwind_Ptr
+_Unwind_GetIP(struct _Unwind_Context *context)
+{
+	return (_Unwind_Ptr)(_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1);
+}
+
+_Unwind_Ptr
+_Unwind_GetIPInfo(struct _Unwind_Context *context, int *p)
+{
+	*p = 0;
+	return _Unwind_GetIP(context);
+}
+
+void
+_Unwind_SetGR(struct _Unwind_Context *context, int reg, _Unwind_Ptr val)
+{
+	_Unwind_VRS_Set(context, 0 /*_UVRSC_CORE*/, reg, 0 /*_UVRSD_UINT32*/,
+		&val);
+}