Rename: src/backtrace.c -> src/mi/backtrace.c

(Logical change 1.192)

src/mi/backtrace.c

@@ -0,0 +1,57 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2001-2002 Hewlett-Packard Co
+	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#ifndef UNW_REMOTE_ONLY
+
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+
+/* See glibc manual for a description of this function.  */
+
+int
+backtrace (void **buffer, int size)
+{
+  unw_cursor_t cursor;
+  unw_context_t uc;
+  unw_word_t ip;
+  int n = 0;
+
+  unw_getcontext (&uc);
+  if (unw_init_local (&cursor, &uc) < 0)
+    return 0;
+
+  while (unw_step (&cursor) > 0)
+    {
+      if (n >= size)
+	return n;
+
+      if (unw_get_reg (&cursor, UNW_REG_IP, &ip) < 0)
+	return n;
+      buffer[n++] = (void *) ip;
+    }
+  return n;
+}
+
+#endif /* !UNW_REMOTE_ONLY */